1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 /* ethtool support for ice */ 5 6 #include "ice.h" 7 #include "ice_ethtool.h" 8 #include "ice_flow.h" 9 #include "ice_fltr.h" 10 #include "ice_lib.h" 11 #include "ice_dcb_lib.h" 12 #include <net/dcbnl.h> 13 #include <net/libeth/rx.h> 14 15 struct ice_stats { 16 char stat_string[ETH_GSTRING_LEN]; 17 int sizeof_stat; 18 int stat_offset; 19 }; 20 21 #define ICE_STAT(_type, _name, _stat) { \ 22 .stat_string = _name, \ 23 .sizeof_stat = sizeof_field(_type, _stat), \ 24 .stat_offset = offsetof(_type, _stat) \ 25 } 26 27 #define ICE_VSI_STAT(_name, _stat) \ 28 ICE_STAT(struct ice_vsi, _name, _stat) 29 #define ICE_PF_STAT(_name, _stat) \ 30 ICE_STAT(struct ice_pf, _name, _stat) 31 32 static int ice_q_stats_len(struct net_device *netdev) 33 { 34 struct ice_netdev_priv *np = netdev_priv(netdev); 35 36 /* One packets and one bytes count per queue */ 37 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 2); 38 } 39 40 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 41 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 42 43 #define ICE_PFC_STATS_LEN ( \ 44 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \ 45 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \ 46 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \ 47 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \ 48 / sizeof(u64)) 49 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 50 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 51 52 static const struct ice_stats ice_gstrings_vsi_stats[] = { 53 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 54 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 55 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 56 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 57 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 58 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 59 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 60 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 61 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 62 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 63 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 64 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 65 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 66 ICE_VSI_STAT("tx_linearize", tx_linearize), 67 ICE_VSI_STAT("tx_busy", tx_busy), 68 ICE_VSI_STAT("tx_restart", tx_restart), 69 }; 70 71 enum ice_ethtool_test_id { 72 ICE_ETH_TEST_REG = 0, 73 ICE_ETH_TEST_EEPROM, 74 ICE_ETH_TEST_INTR, 75 ICE_ETH_TEST_LOOP, 76 ICE_ETH_TEST_LINK, 77 }; 78 79 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 80 "Register test (offline)", 81 "EEPROM test (offline)", 82 "Interrupt test (offline)", 83 "Loopback test (offline)", 84 "Link test (on/offline)", 85 }; 86 87 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 88 89 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 90 * but they aren't. This device is capable of supporting multiple 91 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 92 * netdevs whereas the PF_STATs are for the physical function that's 93 * hosting these netdevs. 94 * 95 * The PF_STATs are appended to the netdev stats only when ethtool -S 96 * is queried on the base PF netdev. 97 */ 98 static const struct ice_stats ice_gstrings_pf_stats[] = { 99 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 100 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 101 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 102 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 103 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 104 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 105 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 106 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 107 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 108 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count), 109 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 110 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 111 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 112 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 113 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 114 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 115 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 116 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 117 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 118 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 119 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 120 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 121 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 122 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 123 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 124 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 125 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 126 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 127 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 128 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 129 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 130 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 131 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 132 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 133 ICE_PF_STAT("rx_eipe_error.nic", hw_rx_eipe_error), 134 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 135 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 136 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 137 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 138 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 139 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), 140 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), 141 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped), 142 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts), 143 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed), 144 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded), 145 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates), 146 }; 147 148 static const u32 ice_regs_dump_list[] = { 149 PFGEN_STATE, 150 PRTGEN_STATUS, 151 QRX_CTRL(0), 152 QINT_TQCTL(0), 153 QINT_RQCTL(0), 154 PFINT_OICR_ENA, 155 QRX_ITR(0), 156 #define GLDCB_TLPM_PCI_DM 0x000A0180 157 GLDCB_TLPM_PCI_DM, 158 #define GLDCB_TLPM_TC2PFC 0x000A0194 159 GLDCB_TLPM_TC2PFC, 160 #define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4)) 161 TCDCB_TLPM_WAIT_DM(0), 162 TCDCB_TLPM_WAIT_DM(1), 163 TCDCB_TLPM_WAIT_DM(2), 164 TCDCB_TLPM_WAIT_DM(3), 165 TCDCB_TLPM_WAIT_DM(4), 166 TCDCB_TLPM_WAIT_DM(5), 167 TCDCB_TLPM_WAIT_DM(6), 168 TCDCB_TLPM_WAIT_DM(7), 169 TCDCB_TLPM_WAIT_DM(8), 170 TCDCB_TLPM_WAIT_DM(9), 171 TCDCB_TLPM_WAIT_DM(10), 172 TCDCB_TLPM_WAIT_DM(11), 173 TCDCB_TLPM_WAIT_DM(12), 174 TCDCB_TLPM_WAIT_DM(13), 175 TCDCB_TLPM_WAIT_DM(14), 176 TCDCB_TLPM_WAIT_DM(15), 177 TCDCB_TLPM_WAIT_DM(16), 178 TCDCB_TLPM_WAIT_DM(17), 179 TCDCB_TLPM_WAIT_DM(18), 180 TCDCB_TLPM_WAIT_DM(19), 181 TCDCB_TLPM_WAIT_DM(20), 182 TCDCB_TLPM_WAIT_DM(21), 183 TCDCB_TLPM_WAIT_DM(22), 184 TCDCB_TLPM_WAIT_DM(23), 185 TCDCB_TLPM_WAIT_DM(24), 186 TCDCB_TLPM_WAIT_DM(25), 187 TCDCB_TLPM_WAIT_DM(26), 188 TCDCB_TLPM_WAIT_DM(27), 189 TCDCB_TLPM_WAIT_DM(28), 190 TCDCB_TLPM_WAIT_DM(29), 191 TCDCB_TLPM_WAIT_DM(30), 192 TCDCB_TLPM_WAIT_DM(31), 193 #define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90 194 GLPCI_WATMK_CLNT_PIPEMON, 195 #define GLPCI_CUR_CLNT_COMMON 0x000BFD84 196 GLPCI_CUR_CLNT_COMMON, 197 #define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88 198 GLPCI_CUR_CLNT_PIPEMON, 199 #define GLPCI_PCIERR 0x0009DEB0 200 GLPCI_PCIERR, 201 #define GLPSM_DEBUG_CTL_STATUS 0x000B0600 202 GLPSM_DEBUG_CTL_STATUS, 203 #define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680 204 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT, 205 #define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684 206 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT, 207 #define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688 208 GLPSM0_DEBUG_DT_OUT_OF_WINDOW, 209 #define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C 210 GLPSM0_DEBUG_INTF_HW_ERROR_DETECT, 211 #define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0 212 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT, 213 #define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80 214 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT, 215 #define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84 216 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT, 217 #define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88 218 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT, 219 #define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C 220 GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT, 221 #define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90 222 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT, 223 #define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680 224 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT, 225 #define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684 226 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT, 227 #define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688 228 GLPSM2_DEBUG_MISC_HW_ERROR_DETECT, 229 #define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4)) 230 GLTDPU_TCLAN_COMP_BOB(1), 231 GLTDPU_TCLAN_COMP_BOB(2), 232 GLTDPU_TCLAN_COMP_BOB(3), 233 GLTDPU_TCLAN_COMP_BOB(4), 234 GLTDPU_TCLAN_COMP_BOB(5), 235 GLTDPU_TCLAN_COMP_BOB(6), 236 GLTDPU_TCLAN_COMP_BOB(7), 237 GLTDPU_TCLAN_COMP_BOB(8), 238 #define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4)) 239 GLTDPU_TCB_CMD_BOB(1), 240 GLTDPU_TCB_CMD_BOB(2), 241 GLTDPU_TCB_CMD_BOB(3), 242 GLTDPU_TCB_CMD_BOB(4), 243 GLTDPU_TCB_CMD_BOB(5), 244 GLTDPU_TCB_CMD_BOB(6), 245 GLTDPU_TCB_CMD_BOB(7), 246 GLTDPU_TCB_CMD_BOB(8), 247 #define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4)) 248 GLTDPU_PSM_UPDATE_BOB(1), 249 GLTDPU_PSM_UPDATE_BOB(2), 250 GLTDPU_PSM_UPDATE_BOB(3), 251 GLTDPU_PSM_UPDATE_BOB(4), 252 GLTDPU_PSM_UPDATE_BOB(5), 253 GLTDPU_PSM_UPDATE_BOB(6), 254 GLTDPU_PSM_UPDATE_BOB(7), 255 GLTDPU_PSM_UPDATE_BOB(8), 256 #define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4)) 257 GLTCB_CMD_IN_BOB(1), 258 GLTCB_CMD_IN_BOB(2), 259 GLTCB_CMD_IN_BOB(3), 260 GLTCB_CMD_IN_BOB(4), 261 GLTCB_CMD_IN_BOB(5), 262 GLTCB_CMD_IN_BOB(6), 263 GLTCB_CMD_IN_BOB(7), 264 GLTCB_CMD_IN_BOB(8), 265 #define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4)) 266 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1), 267 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2), 268 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3), 269 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4), 270 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5), 271 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6), 272 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7), 273 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8), 274 #define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4)) 275 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1), 276 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2), 277 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3), 278 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4), 279 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5), 280 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6), 281 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7), 282 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8), 283 #define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4)) 284 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1), 285 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2), 286 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3), 287 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4), 288 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5), 289 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6), 290 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7), 291 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8), 292 #define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4)) 293 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1), 294 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2), 295 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3), 296 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4), 297 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5), 298 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6), 299 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7), 300 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8), 301 #define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4)) 302 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1), 303 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2), 304 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3), 305 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4), 306 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5), 307 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6), 308 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7), 309 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8), 310 #define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4)) 311 PRTDCB_TCUPM_REG_CM(0), 312 PRTDCB_TCUPM_REG_CM(1), 313 PRTDCB_TCUPM_REG_CM(2), 314 PRTDCB_TCUPM_REG_CM(3), 315 #define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4)) 316 PRTDCB_TCUPM_REG_DM(0), 317 PRTDCB_TCUPM_REG_DM(1), 318 PRTDCB_TCUPM_REG_DM(2), 319 PRTDCB_TCUPM_REG_DM(3), 320 #define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4)) 321 PRTDCB_TLPM_REG_DM(0), 322 PRTDCB_TLPM_REG_DM(1), 323 PRTDCB_TLPM_REG_DM(2), 324 PRTDCB_TLPM_REG_DM(3), 325 }; 326 327 struct ice_priv_flag { 328 char name[ETH_GSTRING_LEN]; 329 u32 bitno; /* bit position in pf->flags */ 330 }; 331 332 #define ICE_PRIV_FLAG(_name, _bitno) { \ 333 .name = _name, \ 334 .bitno = _bitno, \ 335 } 336 337 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 338 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 339 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 340 ICE_PRIV_FLAG("vf-true-promisc-support", 341 ICE_FLAG_VF_TRUE_PROMISC_ENA), 342 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 343 ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING), 344 }; 345 346 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 347 348 static const u32 ice_adv_lnk_speed_100[] __initconst = { 349 ETHTOOL_LINK_MODE_100baseT_Full_BIT, 350 }; 351 352 static const u32 ice_adv_lnk_speed_1000[] __initconst = { 353 ETHTOOL_LINK_MODE_1000baseX_Full_BIT, 354 ETHTOOL_LINK_MODE_1000baseT_Full_BIT, 355 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, 356 }; 357 358 static const u32 ice_adv_lnk_speed_2500[] __initconst = { 359 ETHTOOL_LINK_MODE_2500baseT_Full_BIT, 360 ETHTOOL_LINK_MODE_2500baseX_Full_BIT, 361 }; 362 363 static const u32 ice_adv_lnk_speed_5000[] __initconst = { 364 ETHTOOL_LINK_MODE_5000baseT_Full_BIT, 365 }; 366 367 static const u32 ice_adv_lnk_speed_10000[] __initconst = { 368 ETHTOOL_LINK_MODE_10000baseT_Full_BIT, 369 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, 370 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, 371 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, 372 }; 373 374 static const u32 ice_adv_lnk_speed_25000[] __initconst = { 375 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, 376 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, 377 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, 378 }; 379 380 static const u32 ice_adv_lnk_speed_40000[] __initconst = { 381 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, 382 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, 383 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, 384 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, 385 }; 386 387 static const u32 ice_adv_lnk_speed_50000[] __initconst = { 388 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, 389 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, 390 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, 391 }; 392 393 static const u32 ice_adv_lnk_speed_100000[] __initconst = { 394 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, 395 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, 396 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, 397 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, 398 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT, 399 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT, 400 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT, 401 }; 402 403 static const u32 ice_adv_lnk_speed_200000[] __initconst = { 404 ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT, 405 ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT, 406 ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT, 407 ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT, 408 ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT, 409 }; 410 411 static struct ethtool_forced_speed_map ice_adv_lnk_speed_maps[] __ro_after_init = { 412 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100), 413 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 1000), 414 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 2500), 415 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 5000), 416 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 10000), 417 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 25000), 418 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 40000), 419 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 50000), 420 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100000), 421 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 200000), 422 }; 423 424 void __init ice_adv_lnk_speed_maps_init(void) 425 { 426 ethtool_forced_speed_maps_init(ice_adv_lnk_speed_maps, 427 ARRAY_SIZE(ice_adv_lnk_speed_maps)); 428 } 429 430 static void 431 __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo, 432 struct ice_vsi *vsi) 433 { 434 struct ice_pf *pf = vsi->back; 435 struct ice_hw *hw = &pf->hw; 436 struct ice_orom_info *orom; 437 struct ice_nvm_info *nvm; 438 439 nvm = &hw->flash.nvm; 440 orom = &hw->flash.orom; 441 442 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 443 444 /* Display NVM version (from which the firmware version can be 445 * determined) which contains more pertinent information. 446 */ 447 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 448 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor, 449 nvm->eetrack, orom->major, orom->build, orom->patch); 450 451 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 452 sizeof(drvinfo->bus_info)); 453 } 454 455 static void 456 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 457 { 458 struct ice_netdev_priv *np = netdev_priv(netdev); 459 460 __ice_get_drvinfo(netdev, drvinfo, np->vsi); 461 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 462 } 463 464 static int ice_get_regs_len(struct net_device __always_unused *netdev) 465 { 466 return (sizeof(ice_regs_dump_list) + 467 sizeof(struct ice_regdump_to_ethtool)); 468 } 469 470 /** 471 * ice_ethtool_get_maxspeed - Get the max speed for given lport 472 * @hw: pointer to the HW struct 473 * @lport: logical port for which max speed is requested 474 * @max_speed: return max speed for input lport 475 * 476 * Return: 0 on success, negative on failure. 477 */ 478 static int ice_ethtool_get_maxspeed(struct ice_hw *hw, u8 lport, u8 *max_speed) 479 { 480 struct ice_aqc_get_port_options_elem options[ICE_AQC_PORT_OPT_MAX] = {}; 481 bool active_valid = false, pending_valid = true; 482 u8 option_count = ICE_AQC_PORT_OPT_MAX; 483 u8 active_idx = 0, pending_idx = 0; 484 int status; 485 486 status = ice_aq_get_port_options(hw, options, &option_count, lport, 487 true, &active_idx, &active_valid, 488 &pending_idx, &pending_valid); 489 if (status) 490 return -EIO; 491 if (!active_valid) 492 return -EINVAL; 493 494 *max_speed = options[active_idx].max_lane_speed & ICE_AQC_PORT_OPT_MAX_LANE_M; 495 return 0; 496 } 497 498 /** 499 * ice_is_serdes_muxed - returns whether serdes is muxed in hardware 500 * @hw: pointer to the HW struct 501 * 502 * Return: true when serdes is muxed, false when serdes is not muxed. 503 */ 504 static bool ice_is_serdes_muxed(struct ice_hw *hw) 505 { 506 u32 reg_value = rd32(hw, GLGEN_SWITCH_MODE_CONFIG); 507 508 return FIELD_GET(GLGEN_SWITCH_MODE_CONFIG_25X4_QUAD_M, reg_value); 509 } 510 511 static int ice_map_port_topology_for_sfp(struct ice_port_topology *port_topology, 512 u8 lport, bool is_muxed) 513 { 514 switch (lport) { 515 case 0: 516 port_topology->pcs_quad_select = 0; 517 port_topology->pcs_port = 0; 518 port_topology->primary_serdes_lane = 0; 519 break; 520 case 1: 521 port_topology->pcs_quad_select = 1; 522 port_topology->pcs_port = 0; 523 if (is_muxed) 524 port_topology->primary_serdes_lane = 2; 525 else 526 port_topology->primary_serdes_lane = 4; 527 break; 528 case 2: 529 port_topology->pcs_quad_select = 0; 530 port_topology->pcs_port = 1; 531 port_topology->primary_serdes_lane = 1; 532 break; 533 case 3: 534 port_topology->pcs_quad_select = 1; 535 port_topology->pcs_port = 1; 536 if (is_muxed) 537 port_topology->primary_serdes_lane = 3; 538 else 539 port_topology->primary_serdes_lane = 5; 540 break; 541 case 4: 542 port_topology->pcs_quad_select = 0; 543 port_topology->pcs_port = 2; 544 port_topology->primary_serdes_lane = 2; 545 break; 546 case 5: 547 port_topology->pcs_quad_select = 1; 548 port_topology->pcs_port = 2; 549 port_topology->primary_serdes_lane = 6; 550 break; 551 case 6: 552 port_topology->pcs_quad_select = 0; 553 port_topology->pcs_port = 3; 554 port_topology->primary_serdes_lane = 3; 555 break; 556 case 7: 557 port_topology->pcs_quad_select = 1; 558 port_topology->pcs_port = 3; 559 port_topology->primary_serdes_lane = 7; 560 break; 561 default: 562 return -EINVAL; 563 } 564 565 return 0; 566 } 567 568 static int ice_map_port_topology_for_qsfp(struct ice_port_topology *port_topology, 569 u8 lport, bool is_muxed) 570 { 571 switch (lport) { 572 case 0: 573 port_topology->pcs_quad_select = 0; 574 port_topology->pcs_port = 0; 575 port_topology->primary_serdes_lane = 0; 576 break; 577 case 1: 578 port_topology->pcs_quad_select = 1; 579 port_topology->pcs_port = 0; 580 if (is_muxed) 581 port_topology->primary_serdes_lane = 2; 582 else 583 port_topology->primary_serdes_lane = 4; 584 break; 585 case 2: 586 port_topology->pcs_quad_select = 0; 587 port_topology->pcs_port = 1; 588 port_topology->primary_serdes_lane = 1; 589 break; 590 case 3: 591 port_topology->pcs_quad_select = 1; 592 port_topology->pcs_port = 1; 593 if (is_muxed) 594 port_topology->primary_serdes_lane = 3; 595 else 596 port_topology->primary_serdes_lane = 5; 597 break; 598 case 4: 599 port_topology->pcs_quad_select = 0; 600 port_topology->pcs_port = 2; 601 port_topology->primary_serdes_lane = 2; 602 break; 603 case 5: 604 port_topology->pcs_quad_select = 1; 605 port_topology->pcs_port = 2; 606 port_topology->primary_serdes_lane = 6; 607 break; 608 case 6: 609 port_topology->pcs_quad_select = 0; 610 port_topology->pcs_port = 3; 611 port_topology->primary_serdes_lane = 3; 612 break; 613 case 7: 614 port_topology->pcs_quad_select = 1; 615 port_topology->pcs_port = 3; 616 port_topology->primary_serdes_lane = 7; 617 break; 618 default: 619 return -EINVAL; 620 } 621 622 return 0; 623 } 624 625 /** 626 * ice_get_port_topology - returns physical topology like pcsquad, pcsport, 627 * serdes number 628 * @hw: pointer to the HW struct 629 * @lport: logical port for which physical info requested 630 * @port_topology: buffer to hold port topology 631 * 632 * Return: 0 on success, negative on failure. 633 */ 634 static int ice_get_port_topology(struct ice_hw *hw, u8 lport, 635 struct ice_port_topology *port_topology) 636 { 637 struct ice_aqc_get_link_topo cmd = {}; 638 u16 node_handle = 0; 639 u8 cage_type = 0; 640 bool is_muxed; 641 int err; 642 u8 ctx; 643 644 ctx = ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE << ICE_AQC_LINK_TOPO_NODE_TYPE_S; 645 ctx |= ICE_AQC_LINK_TOPO_NODE_CTX_PORT << ICE_AQC_LINK_TOPO_NODE_CTX_S; 646 cmd.addr.topo_params.node_type_ctx = ctx; 647 648 err = ice_aq_get_netlist_node(hw, &cmd, &cage_type, &node_handle); 649 if (err) 650 return -EINVAL; 651 652 is_muxed = ice_is_serdes_muxed(hw); 653 654 if (cage_type == 0x11 || /* SFP+ */ 655 cage_type == 0x12) { /* SFP28 */ 656 port_topology->serdes_lane_count = 1; 657 err = ice_map_port_topology_for_sfp(port_topology, lport, is_muxed); 658 if (err) 659 return err; 660 } else if (cage_type == 0x13 || /* QSFP */ 661 cage_type == 0x14) { /* QSFP28 */ 662 u8 max_speed = 0; 663 664 err = ice_ethtool_get_maxspeed(hw, lport, &max_speed); 665 if (err) 666 return err; 667 668 if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_100G) 669 port_topology->serdes_lane_count = 4; 670 else if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_50G || 671 max_speed == ICE_AQC_PORT_OPT_MAX_LANE_40G) 672 port_topology->serdes_lane_count = 2; 673 else 674 port_topology->serdes_lane_count = 1; 675 676 err = ice_map_port_topology_for_qsfp(port_topology, lport, is_muxed); 677 if (err) 678 return err; 679 } else { 680 return -EINVAL; 681 } 682 683 return 0; 684 } 685 686 /** 687 * ice_get_tx_rx_equa - read serdes tx rx equaliser param 688 * @hw: pointer to the HW struct 689 * @serdes_num: represents the serdes number 690 * @ptr: structure to read all serdes parameter for given serdes 691 * 692 * Return: all serdes equalization parameter supported per serdes number 693 */ 694 static int ice_get_tx_rx_equa(struct ice_hw *hw, u8 serdes_num, 695 struct ice_serdes_equalization_to_ethtool *ptr) 696 { 697 static const int tx = ICE_AQC_OP_CODE_TX_EQU; 698 static const int rx = ICE_AQC_OP_CODE_RX_EQU; 699 struct { 700 int data_in; 701 int opcode; 702 int *out; 703 } aq_params[] = { 704 { ICE_AQC_TX_EQU_PRE1, tx, &ptr->tx_equ_pre1 }, 705 { ICE_AQC_TX_EQU_PRE3, tx, &ptr->tx_equ_pre3 }, 706 { ICE_AQC_TX_EQU_ATTEN, tx, &ptr->tx_equ_atten }, 707 { ICE_AQC_TX_EQU_POST1, tx, &ptr->tx_equ_post1 }, 708 { ICE_AQC_TX_EQU_PRE2, tx, &ptr->tx_equ_pre2 }, 709 { ICE_AQC_RX_EQU_PRE2, rx, &ptr->rx_equ_pre2 }, 710 { ICE_AQC_RX_EQU_PRE1, rx, &ptr->rx_equ_pre1 }, 711 { ICE_AQC_RX_EQU_POST1, rx, &ptr->rx_equ_post1 }, 712 { ICE_AQC_RX_EQU_BFLF, rx, &ptr->rx_equ_bflf }, 713 { ICE_AQC_RX_EQU_BFHF, rx, &ptr->rx_equ_bfhf }, 714 { ICE_AQC_RX_EQU_CTLE_GAINHF, rx, &ptr->rx_equ_ctle_gainhf }, 715 { ICE_AQC_RX_EQU_CTLE_GAINLF, rx, &ptr->rx_equ_ctle_gainlf }, 716 { ICE_AQC_RX_EQU_CTLE_GAINDC, rx, &ptr->rx_equ_ctle_gaindc }, 717 { ICE_AQC_RX_EQU_CTLE_BW, rx, &ptr->rx_equ_ctle_bw }, 718 { ICE_AQC_RX_EQU_DFE_GAIN, rx, &ptr->rx_equ_dfe_gain }, 719 { ICE_AQC_RX_EQU_DFE_GAIN2, rx, &ptr->rx_equ_dfe_gain_2 }, 720 { ICE_AQC_RX_EQU_DFE_2, rx, &ptr->rx_equ_dfe_2 }, 721 { ICE_AQC_RX_EQU_DFE_3, rx, &ptr->rx_equ_dfe_3 }, 722 { ICE_AQC_RX_EQU_DFE_4, rx, &ptr->rx_equ_dfe_4 }, 723 { ICE_AQC_RX_EQU_DFE_5, rx, &ptr->rx_equ_dfe_5 }, 724 { ICE_AQC_RX_EQU_DFE_6, rx, &ptr->rx_equ_dfe_6 }, 725 { ICE_AQC_RX_EQU_DFE_7, rx, &ptr->rx_equ_dfe_7 }, 726 { ICE_AQC_RX_EQU_DFE_8, rx, &ptr->rx_equ_dfe_8 }, 727 { ICE_AQC_RX_EQU_DFE_9, rx, &ptr->rx_equ_dfe_9 }, 728 { ICE_AQC_RX_EQU_DFE_10, rx, &ptr->rx_equ_dfe_10 }, 729 { ICE_AQC_RX_EQU_DFE_11, rx, &ptr->rx_equ_dfe_11 }, 730 { ICE_AQC_RX_EQU_DFE_12, rx, &ptr->rx_equ_dfe_12 }, 731 }; 732 int err; 733 734 for (int i = 0; i < ARRAY_SIZE(aq_params); i++) { 735 err = ice_aq_get_phy_equalization(hw, aq_params[i].data_in, 736 aq_params[i].opcode, 737 serdes_num, aq_params[i].out); 738 if (err) 739 break; 740 } 741 742 return err; 743 } 744 745 /** 746 * ice_get_extended_regs - returns FEC correctable, uncorrectable stats per 747 * pcsquad, pcsport 748 * @netdev: pointer to net device structure 749 * @p: output buffer to fill requested register dump 750 * 751 * Return: 0 on success, negative on failure. 752 */ 753 static int ice_get_extended_regs(struct net_device *netdev, void *p) 754 { 755 struct ice_netdev_priv *np = netdev_priv(netdev); 756 struct ice_regdump_to_ethtool *ice_prv_regs_buf; 757 struct ice_port_topology port_topology = {}; 758 struct ice_port_info *pi; 759 struct ice_pf *pf; 760 struct ice_hw *hw; 761 unsigned int i; 762 int err; 763 764 pf = np->vsi->back; 765 hw = &pf->hw; 766 pi = np->vsi->port_info; 767 768 /* Serdes parameters are not supported if not the PF VSI */ 769 if (np->vsi->type != ICE_VSI_PF || !pi) 770 return -EINVAL; 771 772 err = ice_get_port_topology(hw, pi->lport, &port_topology); 773 if (err) 774 return -EINVAL; 775 if (port_topology.serdes_lane_count > 4) 776 return -EINVAL; 777 778 ice_prv_regs_buf = p; 779 780 /* Get serdes equalization parameter for available serdes */ 781 for (i = 0; i < port_topology.serdes_lane_count; i++) { 782 u8 serdes_num = 0; 783 784 serdes_num = port_topology.primary_serdes_lane + i; 785 err = ice_get_tx_rx_equa(hw, serdes_num, 786 &ice_prv_regs_buf->equalization[i]); 787 if (err) 788 return -EINVAL; 789 } 790 791 return 0; 792 } 793 794 static void 795 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 796 { 797 struct ice_pf *pf = ice_netdev_to_pf(netdev); 798 struct ice_hw *hw = &pf->hw; 799 u32 *regs_buf = (u32 *)p; 800 unsigned int i; 801 802 regs->version = 2; 803 804 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 805 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 806 807 ice_get_extended_regs(netdev, (void *)®s_buf[i]); 808 } 809 810 static u32 ice_get_msglevel(struct net_device *netdev) 811 { 812 struct ice_pf *pf = ice_netdev_to_pf(netdev); 813 814 #ifndef CONFIG_DYNAMIC_DEBUG 815 if (pf->hw.debug_mask) 816 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 817 pf->hw.debug_mask); 818 #endif /* !CONFIG_DYNAMIC_DEBUG */ 819 820 return pf->msg_enable; 821 } 822 823 static void ice_set_msglevel(struct net_device *netdev, u32 data) 824 { 825 struct ice_pf *pf = ice_netdev_to_pf(netdev); 826 827 #ifndef CONFIG_DYNAMIC_DEBUG 828 if (ICE_DBG_USER & data) 829 pf->hw.debug_mask = data; 830 else 831 pf->msg_enable = data; 832 #else 833 pf->msg_enable = data; 834 #endif /* !CONFIG_DYNAMIC_DEBUG */ 835 } 836 837 static void ice_get_link_ext_stats(struct net_device *netdev, 838 struct ethtool_link_ext_stats *stats) 839 { 840 struct ice_pf *pf = ice_netdev_to_pf(netdev); 841 842 stats->link_down_events = pf->link_down_events; 843 } 844 845 static int ice_get_eeprom_len(struct net_device *netdev) 846 { 847 struct ice_pf *pf = ice_netdev_to_pf(netdev); 848 849 return (int)pf->hw.flash.flash_size; 850 } 851 852 static int 853 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 854 u8 *bytes) 855 { 856 struct ice_pf *pf = ice_netdev_to_pf(netdev); 857 struct ice_hw *hw = &pf->hw; 858 struct device *dev; 859 int ret; 860 u8 *buf; 861 862 dev = ice_pf_to_dev(pf); 863 864 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 865 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 866 eeprom->cmd, eeprom->offset, eeprom->len); 867 868 buf = kzalloc(eeprom->len, GFP_KERNEL); 869 if (!buf) 870 return -ENOMEM; 871 872 ret = ice_acquire_nvm(hw, ICE_RES_READ); 873 if (ret) { 874 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n", 875 ret, libie_aq_str(hw->adminq.sq_last_status)); 876 goto out; 877 } 878 879 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 880 false); 881 if (ret) { 882 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n", 883 ret, libie_aq_str(hw->adminq.sq_last_status)); 884 goto release; 885 } 886 887 memcpy(bytes, buf, eeprom->len); 888 release: 889 ice_release_nvm(hw); 890 out: 891 kfree(buf); 892 return ret; 893 } 894 895 /** 896 * ice_active_vfs - check if there are any active VFs 897 * @pf: board private structure 898 * 899 * Returns true if an active VF is found, otherwise returns false 900 */ 901 static bool ice_active_vfs(struct ice_pf *pf) 902 { 903 bool active = false; 904 struct ice_vf *vf; 905 unsigned int bkt; 906 907 rcu_read_lock(); 908 ice_for_each_vf_rcu(pf, bkt, vf) { 909 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 910 active = true; 911 break; 912 } 913 } 914 rcu_read_unlock(); 915 916 return active; 917 } 918 919 /** 920 * ice_link_test - perform a link test on a given net_device 921 * @netdev: network interface device structure 922 * 923 * This function performs one of the self-tests required by ethtool. 924 * Returns 0 on success, non-zero on failure. 925 */ 926 static u64 ice_link_test(struct net_device *netdev) 927 { 928 struct ice_netdev_priv *np = netdev_priv(netdev); 929 bool link_up = false; 930 int status; 931 932 netdev_info(netdev, "link test\n"); 933 status = ice_get_link_status(np->vsi->port_info, &link_up); 934 if (status) { 935 netdev_err(netdev, "link query error, status = %d\n", 936 status); 937 return 1; 938 } 939 940 if (!link_up) 941 return 2; 942 943 return 0; 944 } 945 946 /** 947 * ice_eeprom_test - perform an EEPROM test on a given net_device 948 * @netdev: network interface device structure 949 * 950 * This function performs one of the self-tests required by ethtool. 951 * Returns 0 on success, non-zero on failure. 952 */ 953 static u64 ice_eeprom_test(struct net_device *netdev) 954 { 955 struct ice_pf *pf = ice_netdev_to_pf(netdev); 956 957 netdev_info(netdev, "EEPROM test\n"); 958 return !!(ice_nvm_validate_checksum(&pf->hw)); 959 } 960 961 /** 962 * ice_reg_pattern_test 963 * @hw: pointer to the HW struct 964 * @reg: reg to be tested 965 * @mask: bits to be touched 966 */ 967 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 968 { 969 struct ice_pf *pf = (struct ice_pf *)hw->back; 970 struct device *dev = ice_pf_to_dev(pf); 971 static const u32 patterns[] = { 972 0x5A5A5A5A, 0xA5A5A5A5, 973 0x00000000, 0xFFFFFFFF 974 }; 975 u32 val, orig_val; 976 unsigned int i; 977 978 orig_val = rd32(hw, reg); 979 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 980 u32 pattern = patterns[i] & mask; 981 982 wr32(hw, reg, pattern); 983 val = rd32(hw, reg); 984 if (val == pattern) 985 continue; 986 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 987 , __func__, reg, pattern, val); 988 return 1; 989 } 990 991 wr32(hw, reg, orig_val); 992 val = rd32(hw, reg); 993 if (val != orig_val) { 994 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 995 , __func__, reg, orig_val, val); 996 return 1; 997 } 998 999 return 0; 1000 } 1001 1002 /** 1003 * ice_reg_test - perform a register test on a given net_device 1004 * @netdev: network interface device structure 1005 * 1006 * This function performs one of the self-tests required by ethtool. 1007 * Returns 0 on success, non-zero on failure. 1008 */ 1009 static u64 ice_reg_test(struct net_device *netdev) 1010 { 1011 struct ice_netdev_priv *np = netdev_priv(netdev); 1012 struct ice_hw *hw = np->vsi->port_info->hw; 1013 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 1014 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 1015 struct ice_diag_reg_test_info { 1016 u32 address; 1017 u32 mask; 1018 u32 elem_num; 1019 u32 elem_size; 1020 } ice_reg_list[] = { 1021 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 1022 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 1023 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 1024 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 1025 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 1026 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 1027 {GLINT_CTL, 0xffff0001, 1, 0} 1028 }; 1029 unsigned int i; 1030 1031 netdev_dbg(netdev, "Register test\n"); 1032 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 1033 u32 j; 1034 1035 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 1036 u32 mask = ice_reg_list[i].mask; 1037 u32 reg = ice_reg_list[i].address + 1038 (j * ice_reg_list[i].elem_size); 1039 1040 /* bail on failure (non-zero return) */ 1041 if (ice_reg_pattern_test(hw, reg, mask)) 1042 return 1; 1043 } 1044 } 1045 1046 return 0; 1047 } 1048 1049 /** 1050 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 1051 * @vsi: pointer to the VSI structure 1052 * 1053 * Function configures rings of a VSI for loopback test without 1054 * enabling interrupts or informing the kernel about new queues. 1055 * 1056 * Returns 0 on success, negative on failure. 1057 */ 1058 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 1059 { 1060 int status; 1061 1062 status = ice_vsi_setup_tx_rings(vsi); 1063 if (status) 1064 goto err_setup_tx_ring; 1065 1066 status = ice_vsi_setup_rx_rings(vsi); 1067 if (status) 1068 goto err_setup_rx_ring; 1069 1070 status = ice_vsi_cfg_lan(vsi); 1071 if (status) 1072 goto err_setup_rx_ring; 1073 1074 status = ice_vsi_start_all_rx_rings(vsi); 1075 if (status) 1076 goto err_start_rx_ring; 1077 1078 return 0; 1079 1080 err_start_rx_ring: 1081 ice_vsi_free_rx_rings(vsi); 1082 err_setup_rx_ring: 1083 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 1084 err_setup_tx_ring: 1085 ice_vsi_free_tx_rings(vsi); 1086 1087 return status; 1088 } 1089 1090 /** 1091 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 1092 * @vsi: pointer to the VSI structure 1093 * 1094 * Function stops and frees VSI rings after a loopback test. 1095 * Returns 0 on success, negative on failure. 1096 */ 1097 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 1098 { 1099 int status; 1100 1101 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 1102 if (status) 1103 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 1104 vsi->vsi_num, status); 1105 1106 status = ice_vsi_stop_all_rx_rings(vsi); 1107 if (status) 1108 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 1109 vsi->vsi_num, status); 1110 1111 ice_vsi_free_tx_rings(vsi); 1112 ice_vsi_free_rx_rings(vsi); 1113 1114 return status; 1115 } 1116 1117 /** 1118 * ice_lbtest_create_frame - create test packet 1119 * @pf: pointer to the PF structure 1120 * @ret_data: allocated frame buffer 1121 * @size: size of the packet data 1122 * 1123 * Function allocates a frame with a test pattern on specific offsets. 1124 * Returns 0 on success, non-zero on failure. 1125 */ 1126 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 1127 { 1128 u8 *data; 1129 1130 if (!pf) 1131 return -EINVAL; 1132 1133 data = kzalloc(size, GFP_KERNEL); 1134 if (!data) 1135 return -ENOMEM; 1136 1137 /* Since the ethernet test frame should always be at least 1138 * 64 bytes long, fill some octets in the payload with test data. 1139 */ 1140 memset(data, 0xFF, size); 1141 data[32] = 0xDE; 1142 data[42] = 0xAD; 1143 data[44] = 0xBE; 1144 data[46] = 0xEF; 1145 1146 *ret_data = data; 1147 1148 return 0; 1149 } 1150 1151 /** 1152 * ice_lbtest_check_frame - verify received loopback frame 1153 * @frame: pointer to the raw packet data 1154 * 1155 * Function verifies received test frame with a pattern. 1156 * Returns true if frame matches the pattern, false otherwise. 1157 */ 1158 static bool ice_lbtest_check_frame(u8 *frame) 1159 { 1160 /* Validate bytes of a frame under offsets chosen earlier */ 1161 if (frame[32] == 0xDE && 1162 frame[42] == 0xAD && 1163 frame[44] == 0xBE && 1164 frame[46] == 0xEF && 1165 frame[48] == 0xFF) 1166 return true; 1167 1168 return false; 1169 } 1170 1171 /** 1172 * ice_diag_send - send test frames to the test ring 1173 * @tx_ring: pointer to the transmit ring 1174 * @data: pointer to the raw packet data 1175 * @size: size of the packet to send 1176 * 1177 * Function sends loopback packets on a test Tx ring. 1178 */ 1179 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size) 1180 { 1181 struct ice_tx_desc *tx_desc; 1182 struct ice_tx_buf *tx_buf; 1183 dma_addr_t dma; 1184 u64 td_cmd; 1185 1186 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 1187 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 1188 1189 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 1190 if (dma_mapping_error(tx_ring->dev, dma)) 1191 return -EINVAL; 1192 1193 tx_desc->buf_addr = cpu_to_le64(dma); 1194 1195 /* These flags are required for a descriptor to be pushed out */ 1196 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 1197 tx_desc->cmd_type_offset_bsz = 1198 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 1199 (td_cmd << ICE_TXD_QW1_CMD_S) | 1200 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 1201 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 1202 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 1203 1204 tx_buf->next_to_watch = tx_desc; 1205 1206 /* Force memory write to complete before letting h/w know 1207 * there are new descriptors to fetch. 1208 */ 1209 wmb(); 1210 1211 tx_ring->next_to_use++; 1212 if (tx_ring->next_to_use >= tx_ring->count) 1213 tx_ring->next_to_use = 0; 1214 1215 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 1216 1217 /* Wait until the packets get transmitted to the receive queue. */ 1218 usleep_range(1000, 2000); 1219 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 1220 1221 return 0; 1222 } 1223 1224 #define ICE_LB_FRAME_SIZE 64 1225 /** 1226 * ice_lbtest_receive_frames - receive and verify test frames 1227 * @rx_ring: pointer to the receive ring 1228 * 1229 * Function receives loopback packets and verify their correctness. 1230 * Returns number of received valid frames. 1231 */ 1232 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring) 1233 { 1234 struct libeth_fqe *rx_buf; 1235 int valid_frames, i; 1236 struct page *page; 1237 u8 *received_buf; 1238 1239 valid_frames = 0; 1240 1241 for (i = 0; i < rx_ring->count; i++) { 1242 union ice_32b_rx_flex_desc *rx_desc; 1243 1244 rx_desc = ICE_RX_DESC(rx_ring, i); 1245 1246 if (!(rx_desc->wb.status_error0 & 1247 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) | 1248 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S))))) 1249 continue; 1250 1251 rx_buf = &rx_ring->rx_fqes[i]; 1252 page = __netmem_to_page(rx_buf->netmem); 1253 received_buf = page_address(page) + rx_buf->offset + 1254 page->pp->p.offset; 1255 1256 if (ice_lbtest_check_frame(received_buf)) 1257 valid_frames++; 1258 } 1259 1260 return valid_frames; 1261 } 1262 1263 /** 1264 * ice_loopback_test - perform a loopback test on a given net_device 1265 * @netdev: network interface device structure 1266 * 1267 * This function performs one of the self-tests required by ethtool. 1268 * Returns 0 on success, non-zero on failure. 1269 */ 1270 static u64 ice_loopback_test(struct net_device *netdev) 1271 { 1272 struct ice_pf *pf = ice_netdev_to_pf(netdev); 1273 struct ice_vsi *test_vsi; 1274 u8 *tx_frame __free(kfree) = NULL; 1275 u8 broadcast[ETH_ALEN], ret = 0; 1276 int num_frames, valid_frames; 1277 struct ice_tx_ring *tx_ring; 1278 struct ice_rx_ring *rx_ring; 1279 int i; 1280 1281 netdev_info(netdev, "loopback test\n"); 1282 1283 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 1284 if (!test_vsi) { 1285 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 1286 return 1; 1287 } 1288 1289 test_vsi->netdev = netdev; 1290 tx_ring = test_vsi->tx_rings[0]; 1291 rx_ring = test_vsi->rx_rings[0]; 1292 /* Dummy q_vector and napi. Fill the minimum required for 1293 * ice_rxq_pp_create(). 1294 */ 1295 rx_ring->q_vector->napi.dev = netdev; 1296 1297 if (ice_lbtest_prepare_rings(test_vsi)) { 1298 ret = 2; 1299 goto lbtest_vsi_close; 1300 } 1301 1302 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 1303 ret = 3; 1304 goto lbtest_rings_dis; 1305 } 1306 1307 /* Enable MAC loopback in firmware */ 1308 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 1309 ret = 4; 1310 goto lbtest_mac_dis; 1311 } 1312 1313 /* Test VSI needs to receive broadcast packets */ 1314 eth_broadcast_addr(broadcast); 1315 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 1316 ret = 5; 1317 goto lbtest_mac_dis; 1318 } 1319 1320 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 1321 ret = 7; 1322 goto remove_mac_filters; 1323 } 1324 1325 num_frames = min_t(int, tx_ring->count, 32); 1326 for (i = 0; i < num_frames; i++) { 1327 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 1328 ret = 8; 1329 goto remove_mac_filters; 1330 } 1331 } 1332 1333 valid_frames = ice_lbtest_receive_frames(rx_ring); 1334 if (!valid_frames) 1335 ret = 9; 1336 else if (valid_frames != num_frames) 1337 ret = 10; 1338 1339 remove_mac_filters: 1340 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 1341 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 1342 lbtest_mac_dis: 1343 /* Disable MAC loopback after the test is completed. */ 1344 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 1345 netdev_err(netdev, "Could not disable MAC loopback\n"); 1346 lbtest_rings_dis: 1347 if (ice_lbtest_disable_rings(test_vsi)) 1348 netdev_err(netdev, "Could not disable test rings\n"); 1349 lbtest_vsi_close: 1350 test_vsi->netdev = NULL; 1351 if (ice_vsi_release(test_vsi)) 1352 netdev_err(netdev, "Failed to remove the test VSI\n"); 1353 1354 return ret; 1355 } 1356 1357 /** 1358 * ice_intr_test - perform an interrupt test on a given net_device 1359 * @netdev: network interface device structure 1360 * 1361 * This function performs one of the self-tests required by ethtool. 1362 * Returns 0 on success, non-zero on failure. 1363 */ 1364 static u64 ice_intr_test(struct net_device *netdev) 1365 { 1366 struct ice_pf *pf = ice_netdev_to_pf(netdev); 1367 u16 swic_old = pf->sw_int_count; 1368 1369 netdev_info(netdev, "interrupt test\n"); 1370 1371 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index), 1372 GLINT_DYN_CTL_SW_ITR_INDX_M | 1373 GLINT_DYN_CTL_INTENA_MSK_M | 1374 GLINT_DYN_CTL_SWINT_TRIG_M); 1375 1376 usleep_range(1000, 2000); 1377 return (swic_old == pf->sw_int_count); 1378 } 1379 1380 /** 1381 * ice_self_test - handler function for performing a self-test by ethtool 1382 * @netdev: network interface device structure 1383 * @eth_test: ethtool_test structure 1384 * @data: required by ethtool.self_test 1385 * 1386 * This function is called after invoking 'ethtool -t devname' command where 1387 * devname is the name of the network device on which ethtool should operate. 1388 * It performs a set of self-tests to check if a device works properly. 1389 */ 1390 static void 1391 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 1392 u64 *data) 1393 { 1394 struct ice_pf *pf = ice_netdev_to_pf(netdev); 1395 bool if_running = netif_running(netdev); 1396 struct device *dev; 1397 1398 dev = ice_pf_to_dev(pf); 1399 1400 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1401 netdev_info(netdev, "offline testing starting\n"); 1402 1403 set_bit(ICE_TESTING, pf->state); 1404 1405 if (ice_active_vfs(pf)) { 1406 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 1407 data[ICE_ETH_TEST_REG] = 1; 1408 data[ICE_ETH_TEST_EEPROM] = 1; 1409 data[ICE_ETH_TEST_INTR] = 1; 1410 data[ICE_ETH_TEST_LOOP] = 1; 1411 data[ICE_ETH_TEST_LINK] = 1; 1412 eth_test->flags |= ETH_TEST_FL_FAILED; 1413 clear_bit(ICE_TESTING, pf->state); 1414 goto skip_ol_tests; 1415 } 1416 /* If the device is online then take it offline */ 1417 if (if_running) 1418 /* indicate we're in test mode */ 1419 ice_stop(netdev); 1420 1421 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1422 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 1423 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 1424 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 1425 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 1426 1427 if (data[ICE_ETH_TEST_LINK] || 1428 data[ICE_ETH_TEST_EEPROM] || 1429 data[ICE_ETH_TEST_LOOP] || 1430 data[ICE_ETH_TEST_INTR] || 1431 data[ICE_ETH_TEST_REG]) 1432 eth_test->flags |= ETH_TEST_FL_FAILED; 1433 1434 clear_bit(ICE_TESTING, pf->state); 1435 1436 if (if_running) { 1437 int status = ice_open(netdev); 1438 1439 if (status) { 1440 dev_err(dev, "Could not open device %s, err %d\n", 1441 pf->int_name, status); 1442 } 1443 } 1444 } else { 1445 /* Online tests */ 1446 netdev_info(netdev, "online testing starting\n"); 1447 1448 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1449 if (data[ICE_ETH_TEST_LINK]) 1450 eth_test->flags |= ETH_TEST_FL_FAILED; 1451 1452 /* Offline only tests, not run in online; pass by default */ 1453 data[ICE_ETH_TEST_REG] = 0; 1454 data[ICE_ETH_TEST_EEPROM] = 0; 1455 data[ICE_ETH_TEST_INTR] = 0; 1456 data[ICE_ETH_TEST_LOOP] = 0; 1457 } 1458 1459 skip_ol_tests: 1460 netdev_info(netdev, "testing finished\n"); 1461 } 1462 1463 static void 1464 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data, 1465 struct ice_vsi *vsi) 1466 { 1467 unsigned int i; 1468 u8 *p = data; 1469 1470 switch (stringset) { 1471 case ETH_SS_STATS: 1472 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 1473 ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string); 1474 1475 if (ice_is_port_repr_netdev(netdev)) 1476 return; 1477 1478 ice_for_each_alloc_txq(vsi, i) { 1479 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 1480 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 1481 } 1482 1483 ice_for_each_alloc_rxq(vsi, i) { 1484 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 1485 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 1486 } 1487 1488 if (vsi->type != ICE_VSI_PF) 1489 return; 1490 1491 for (i = 0; i < ICE_PF_STATS_LEN; i++) 1492 ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string); 1493 1494 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1495 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 1496 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 1497 } 1498 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1499 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 1500 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 1501 } 1502 break; 1503 case ETH_SS_TEST: 1504 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 1505 break; 1506 case ETH_SS_PRIV_FLAGS: 1507 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 1508 ethtool_puts(&p, ice_gstrings_priv_flags[i].name); 1509 break; 1510 default: 1511 break; 1512 } 1513 } 1514 1515 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 1516 { 1517 struct ice_netdev_priv *np = netdev_priv(netdev); 1518 1519 __ice_get_strings(netdev, stringset, data, np->vsi); 1520 } 1521 1522 static int 1523 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 1524 { 1525 struct ice_netdev_priv *np = netdev_priv(netdev); 1526 bool led_active; 1527 1528 switch (state) { 1529 case ETHTOOL_ID_ACTIVE: 1530 led_active = true; 1531 break; 1532 case ETHTOOL_ID_INACTIVE: 1533 led_active = false; 1534 break; 1535 default: 1536 return -EINVAL; 1537 } 1538 1539 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 1540 return -EIO; 1541 1542 return 0; 1543 } 1544 1545 /** 1546 * ice_set_fec_cfg - Set link FEC options 1547 * @netdev: network interface device structure 1548 * @req_fec: FEC mode to configure 1549 */ 1550 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 1551 { 1552 struct ice_netdev_priv *np = netdev_priv(netdev); 1553 struct ice_aqc_set_phy_cfg_data config = { 0 }; 1554 struct ice_vsi *vsi = np->vsi; 1555 struct ice_port_info *pi; 1556 1557 pi = vsi->port_info; 1558 if (!pi) 1559 return -EOPNOTSUPP; 1560 1561 /* Changing the FEC parameters is not supported if not the PF VSI */ 1562 if (vsi->type != ICE_VSI_PF) { 1563 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 1564 return -EOPNOTSUPP; 1565 } 1566 1567 /* Proceed only if requesting different FEC mode */ 1568 if (pi->phy.curr_user_fec_req == req_fec) 1569 return 0; 1570 1571 /* Copy the current user PHY configuration. The current user PHY 1572 * configuration is initialized during probe from PHY capabilities 1573 * software mode, and updated on set PHY configuration. 1574 */ 1575 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 1576 1577 ice_cfg_phy_fec(pi, &config, req_fec); 1578 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1579 1580 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1581 return -EAGAIN; 1582 1583 /* Save requested FEC config */ 1584 pi->phy.curr_user_fec_req = req_fec; 1585 1586 return 0; 1587 } 1588 1589 /** 1590 * ice_set_fecparam - Set FEC link options 1591 * @netdev: network interface device structure 1592 * @fecparam: Ethtool structure to retrieve FEC parameters 1593 */ 1594 static int 1595 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1596 { 1597 struct ice_netdev_priv *np = netdev_priv(netdev); 1598 struct ice_vsi *vsi = np->vsi; 1599 enum ice_fec_mode fec; 1600 1601 switch (fecparam->fec) { 1602 case ETHTOOL_FEC_AUTO: 1603 fec = ICE_FEC_AUTO; 1604 break; 1605 case ETHTOOL_FEC_RS: 1606 fec = ICE_FEC_RS; 1607 break; 1608 case ETHTOOL_FEC_BASER: 1609 fec = ICE_FEC_BASER; 1610 break; 1611 case ETHTOOL_FEC_OFF: 1612 case ETHTOOL_FEC_NONE: 1613 fec = ICE_FEC_NONE; 1614 break; 1615 default: 1616 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1617 fecparam->fec); 1618 return -EINVAL; 1619 } 1620 1621 return ice_set_fec_cfg(netdev, fec); 1622 } 1623 1624 /** 1625 * ice_get_fecparam - Get link FEC options 1626 * @netdev: network interface device structure 1627 * @fecparam: Ethtool structure to retrieve FEC parameters 1628 */ 1629 static int 1630 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1631 { 1632 struct ice_netdev_priv *np = netdev_priv(netdev); 1633 struct ice_aqc_get_phy_caps_data *caps; 1634 struct ice_link_status *link_info; 1635 struct ice_vsi *vsi = np->vsi; 1636 struct ice_port_info *pi; 1637 int err; 1638 1639 pi = vsi->port_info; 1640 1641 if (!pi) 1642 return -EOPNOTSUPP; 1643 link_info = &pi->phy.link_info; 1644 1645 /* Set FEC mode based on negotiated link info */ 1646 switch (link_info->fec_info) { 1647 case ICE_AQ_LINK_25G_KR_FEC_EN: 1648 fecparam->active_fec = ETHTOOL_FEC_BASER; 1649 break; 1650 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1651 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1652 fecparam->active_fec = ETHTOOL_FEC_RS; 1653 break; 1654 default: 1655 fecparam->active_fec = ETHTOOL_FEC_OFF; 1656 break; 1657 } 1658 1659 caps = kzalloc_obj(*caps); 1660 if (!caps) 1661 return -ENOMEM; 1662 1663 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1664 caps, NULL); 1665 if (err) 1666 goto done; 1667 1668 /* Set supported/configured FEC modes based on PHY capability */ 1669 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1670 fecparam->fec |= ETHTOOL_FEC_AUTO; 1671 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1672 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1673 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1674 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1675 fecparam->fec |= ETHTOOL_FEC_BASER; 1676 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1677 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1678 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1679 fecparam->fec |= ETHTOOL_FEC_RS; 1680 if (caps->link_fec_options == 0) 1681 fecparam->fec |= ETHTOOL_FEC_OFF; 1682 1683 done: 1684 kfree(caps); 1685 return err; 1686 } 1687 1688 /** 1689 * ice_nway_reset - restart autonegotiation 1690 * @netdev: network interface device structure 1691 */ 1692 static int ice_nway_reset(struct net_device *netdev) 1693 { 1694 struct ice_netdev_priv *np = netdev_priv(netdev); 1695 struct ice_vsi *vsi = np->vsi; 1696 int err; 1697 1698 /* If VSI state is up, then restart autoneg with link up */ 1699 if (!test_bit(ICE_DOWN, vsi->back->state)) 1700 err = ice_set_link(vsi, true); 1701 else 1702 err = ice_set_link(vsi, false); 1703 1704 return err; 1705 } 1706 1707 /** 1708 * ice_get_priv_flags - report device private flags 1709 * @netdev: network interface device structure 1710 * 1711 * The get string set count and the string set should be matched for each 1712 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1713 * array. 1714 * 1715 * Returns a u32 bitmap of flags. 1716 */ 1717 static u32 ice_get_priv_flags(struct net_device *netdev) 1718 { 1719 struct ice_pf *pf = ice_netdev_to_pf(netdev); 1720 u32 i, ret_flags = 0; 1721 1722 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1723 const struct ice_priv_flag *priv_flag; 1724 1725 priv_flag = &ice_gstrings_priv_flags[i]; 1726 1727 if (test_bit(priv_flag->bitno, pf->flags)) 1728 ret_flags |= BIT(i); 1729 } 1730 1731 return ret_flags; 1732 } 1733 1734 /** 1735 * ice_set_priv_flags - set private flags 1736 * @netdev: network interface device structure 1737 * @flags: bit flags to be set 1738 */ 1739 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1740 { 1741 struct ice_netdev_priv *np = netdev_priv(netdev); 1742 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1743 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1744 struct ice_vsi *vsi = np->vsi; 1745 struct ice_pf *pf = vsi->back; 1746 struct device *dev; 1747 int ret = 0; 1748 u32 i; 1749 1750 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1751 return -EINVAL; 1752 1753 dev = ice_pf_to_dev(pf); 1754 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1755 1756 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1757 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1758 const struct ice_priv_flag *priv_flag; 1759 1760 priv_flag = &ice_gstrings_priv_flags[i]; 1761 1762 if (flags & BIT(i)) 1763 set_bit(priv_flag->bitno, pf->flags); 1764 else 1765 clear_bit(priv_flag->bitno, pf->flags); 1766 } 1767 1768 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1769 1770 /* Do not allow change to link-down-on-close when Total Port Shutdown 1771 * is enabled. 1772 */ 1773 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1774 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1775 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1776 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1777 ret = -EINVAL; 1778 goto ethtool_exit; 1779 } 1780 1781 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1782 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1783 int status; 1784 1785 /* Disable FW LLDP engine */ 1786 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1787 1788 /* If unregistering for LLDP events fails, this is 1789 * not an error state, as there shouldn't be any 1790 * events to respond to. 1791 */ 1792 if (status) 1793 dev_info(dev, "Failed to unreg for LLDP events\n"); 1794 1795 /* The AQ call to stop the FW LLDP agent will generate 1796 * an error if the agent is already stopped. 1797 */ 1798 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1799 if (status) 1800 dev_warn(dev, "Fail to stop LLDP agent\n"); 1801 /* Use case for having the FW LLDP agent stopped 1802 * will likely not need DCB, so failure to init is 1803 * not a concern of ethtool 1804 */ 1805 status = ice_init_pf_dcb(pf, true); 1806 if (status) 1807 dev_warn(dev, "Fail to init DCB\n"); 1808 1809 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1810 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1811 } else { 1812 bool dcbx_agent_status; 1813 int status; 1814 1815 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { 1816 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); 1817 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); 1818 ret = -EOPNOTSUPP; 1819 goto ethtool_exit; 1820 } 1821 1822 /* Remove rule to direct LLDP packets to default VSI. 1823 * The FW LLDP engine will now be consuming them. 1824 */ 1825 ice_cfg_sw_rx_lldp(vsi->back, false); 1826 1827 /* AQ command to start FW LLDP agent will return an 1828 * error if the agent is already started 1829 */ 1830 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1831 if (status) 1832 dev_warn(dev, "Fail to start LLDP Agent\n"); 1833 1834 /* AQ command to start FW DCBX agent will fail if 1835 * the agent is already started 1836 */ 1837 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1838 &dcbx_agent_status, 1839 NULL); 1840 if (status) 1841 dev_dbg(dev, "Failed to start FW DCBX\n"); 1842 1843 dev_info(dev, "FW DCBX agent is %s\n", 1844 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1845 1846 /* Failure to configure MIB change or init DCB is not 1847 * relevant to ethtool. Print notification that 1848 * registration/init failed but do not return error 1849 * state to ethtool 1850 */ 1851 status = ice_init_pf_dcb(pf, true); 1852 if (status) 1853 dev_dbg(dev, "Fail to init DCB\n"); 1854 1855 /* Register for MIB change events */ 1856 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1857 if (status) 1858 dev_dbg(dev, "Fail to enable MIB change events\n"); 1859 1860 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1861 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1862 1863 ice_nway_reset(netdev); 1864 } 1865 } 1866 /* don't allow modification of this flag when a single VF is in 1867 * promiscuous mode because it's not supported 1868 */ 1869 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1870 ice_is_any_vf_in_unicast_promisc(pf)) { 1871 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1872 /* toggle bit back to previous state */ 1873 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1874 ret = -EAGAIN; 1875 } 1876 1877 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) && 1878 ice_has_vfs(pf)) { 1879 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n"); 1880 /* toggle bit back to previous state */ 1881 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags); 1882 ret = -EOPNOTSUPP; 1883 } 1884 ethtool_exit: 1885 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1886 return ret; 1887 } 1888 1889 static int ice_get_sset_count(struct net_device *netdev, int sset) 1890 { 1891 switch (sset) { 1892 case ETH_SS_STATS: 1893 /* The number (and order) of strings reported *must* remain 1894 * constant for a given netdevice. This function must not 1895 * report a different number based on run time parameters 1896 * (such as the number of queues in use, or the setting of 1897 * a private ethtool flag). This is due to the nature of the 1898 * ethtool stats API. 1899 * 1900 * Userspace programs such as ethtool must make 3 separate 1901 * ioctl requests, one for size, one for the strings, and 1902 * finally one for the stats. Since these cross into 1903 * userspace, changes to the number or size could result in 1904 * undefined memory access or incorrect string<->value 1905 * correlations for statistics. 1906 * 1907 * Even if it appears to be safe, changes to the size or 1908 * order of strings will suffer from race conditions and are 1909 * not safe. 1910 */ 1911 return ICE_ALL_STATS_LEN(netdev); 1912 case ETH_SS_TEST: 1913 return ICE_TEST_LEN; 1914 case ETH_SS_PRIV_FLAGS: 1915 return ICE_PRIV_FLAG_ARRAY_SIZE; 1916 default: 1917 return -EOPNOTSUPP; 1918 } 1919 } 1920 1921 static void 1922 __ice_get_ethtool_stats(struct net_device *netdev, 1923 struct ethtool_stats __always_unused *stats, u64 *data, 1924 struct ice_vsi *vsi) 1925 { 1926 struct ice_pf *pf = vsi->back; 1927 struct ice_tx_ring *tx_ring; 1928 struct ice_rx_ring *rx_ring; 1929 unsigned int j; 1930 int i = 0; 1931 char *p; 1932 1933 ice_update_pf_stats(pf); 1934 ice_update_vsi_stats(vsi); 1935 1936 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1937 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1938 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1939 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1940 } 1941 1942 if (ice_is_port_repr_netdev(netdev)) 1943 return; 1944 1945 /* populate per queue stats */ 1946 rcu_read_lock(); 1947 1948 ice_for_each_alloc_txq(vsi, j) { 1949 u64 pkts, bytes; 1950 1951 tx_ring = READ_ONCE(vsi->tx_rings[j]); 1952 if (!tx_ring || !tx_ring->ring_stats) { 1953 data[i++] = 0; 1954 data[i++] = 0; 1955 continue; 1956 } 1957 1958 ice_fetch_tx_ring_stats(tx_ring, &pkts, &bytes); 1959 1960 data[i++] = pkts; 1961 data[i++] = bytes; 1962 } 1963 1964 ice_for_each_alloc_rxq(vsi, j) { 1965 u64 pkts, bytes; 1966 1967 rx_ring = READ_ONCE(vsi->rx_rings[j]); 1968 if (!rx_ring || !rx_ring->ring_stats) { 1969 data[i++] = 0; 1970 data[i++] = 0; 1971 continue; 1972 } 1973 1974 ice_fetch_rx_ring_stats(rx_ring, &pkts, &bytes); 1975 1976 data[i++] = pkts; 1977 data[i++] = bytes; 1978 } 1979 1980 rcu_read_unlock(); 1981 1982 if (vsi->type != ICE_VSI_PF) 1983 return; 1984 1985 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1986 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1987 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1988 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1989 } 1990 1991 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1992 data[i++] = pf->stats.priority_xon_tx[j]; 1993 data[i++] = pf->stats.priority_xoff_tx[j]; 1994 } 1995 1996 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1997 data[i++] = pf->stats.priority_xon_rx[j]; 1998 data[i++] = pf->stats.priority_xoff_rx[j]; 1999 } 2000 } 2001 2002 static void 2003 ice_get_ethtool_stats(struct net_device *netdev, 2004 struct ethtool_stats __always_unused *stats, u64 *data) 2005 { 2006 struct ice_netdev_priv *np = netdev_priv(netdev); 2007 2008 __ice_get_ethtool_stats(netdev, stats, data, np->vsi); 2009 } 2010 2011 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 2012 ICE_PHY_TYPE_LOW_100M_SGMII) 2013 2014 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 2015 ICE_PHY_TYPE_LOW_1000BASE_T | \ 2016 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 2017 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 2018 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 2019 ICE_PHY_TYPE_LOW_1G_SGMII | \ 2020 ICE_PHY_TYPE_LOW_2500BASE_T | \ 2021 ICE_PHY_TYPE_LOW_2500BASE_X | \ 2022 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 2023 ICE_PHY_TYPE_LOW_5GBASE_T | \ 2024 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 2025 ICE_PHY_TYPE_LOW_10GBASE_T | \ 2026 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 2027 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 2028 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 2029 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 2030 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 2031 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 2032 2033 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 2034 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 2035 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 2036 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 2037 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 2038 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 2039 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 2040 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 2041 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 2042 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 2043 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 2044 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 2045 ICE_PHY_TYPE_LOW_100GBASE_DR) 2046 2047 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 2048 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 2049 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 2050 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 2051 ICE_PHY_TYPE_HIGH_100G_AUI2) 2052 2053 #define ICE_PHY_TYPE_HIGH_MASK_200G (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \ 2054 ICE_PHY_TYPE_HIGH_200G_SR4 | \ 2055 ICE_PHY_TYPE_HIGH_200G_FR4 | \ 2056 ICE_PHY_TYPE_HIGH_200G_LR4 | \ 2057 ICE_PHY_TYPE_HIGH_200G_DR4 | \ 2058 ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \ 2059 ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \ 2060 ICE_PHY_TYPE_HIGH_200G_AUI4) 2061 2062 /** 2063 * ice_mask_min_supported_speeds 2064 * @hw: pointer to the HW structure 2065 * @phy_types_high: PHY type high 2066 * @phy_types_low: PHY type low to apply minimum supported speeds mask 2067 * 2068 * Apply minimum supported speeds mask to PHY type low. These are the speeds 2069 * for ethtool supported link mode. 2070 */ 2071 static void 2072 ice_mask_min_supported_speeds(struct ice_hw *hw, 2073 u64 phy_types_high, u64 *phy_types_low) 2074 { 2075 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 2076 if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) || 2077 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) || 2078 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G)) 2079 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 2080 else if (!ice_is_100m_speed_supported(hw)) 2081 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 2082 } 2083 2084 /** 2085 * ice_linkmode_set_bit - set link mode bit 2086 * @phy_to_ethtool: PHY type to ethtool link mode struct to set 2087 * @ks: ethtool link ksettings struct to fill out 2088 * @req_speeds: speed requested by user 2089 * @advert_phy_type: advertised PHY type 2090 * @phy_type: PHY type 2091 */ 2092 static void 2093 ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool, 2094 struct ethtool_link_ksettings *ks, u32 req_speeds, 2095 u64 advert_phy_type, u32 phy_type) 2096 { 2097 linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported); 2098 2099 if (req_speeds & phy_to_ethtool->aq_link_speed || 2100 (!req_speeds && advert_phy_type & BIT(phy_type))) 2101 linkmode_set_bit(phy_to_ethtool->link_mode, 2102 ks->link_modes.advertising); 2103 } 2104 2105 /** 2106 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 2107 * @netdev: network interface device structure 2108 * @ks: ethtool link ksettings struct to fill out 2109 */ 2110 static void 2111 ice_phy_type_to_ethtool(struct net_device *netdev, 2112 struct ethtool_link_ksettings *ks) 2113 { 2114 struct ice_netdev_priv *np = netdev_priv(netdev); 2115 struct ice_vsi *vsi = np->vsi; 2116 struct ice_pf *pf = vsi->back; 2117 u64 advert_phy_type_lo = 0; 2118 u64 advert_phy_type_hi = 0; 2119 u64 phy_types_high = 0; 2120 u64 phy_types_low = 0; 2121 u32 req_speeds; 2122 u32 i; 2123 2124 req_speeds = vsi->port_info->phy.link_info.req_speeds; 2125 2126 /* Check if lenient mode is supported and enabled, or in strict mode. 2127 * 2128 * In lenient mode the Supported link modes are the PHY types without 2129 * media. The Advertising link mode is either 1. the user requested 2130 * speed, 2. the override PHY mask, or 3. the PHY types with media. 2131 * 2132 * In strict mode Supported link mode are the PHY type with media, 2133 * and Advertising link modes are the media PHY type or the speed 2134 * requested by user. 2135 */ 2136 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2137 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 2138 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 2139 2140 ice_mask_min_supported_speeds(&pf->hw, phy_types_high, 2141 &phy_types_low); 2142 /* determine advertised modes based on link override only 2143 * if it's supported and if the FW doesn't abstract the 2144 * driver from having to account for link overrides 2145 */ 2146 if (ice_fw_supports_link_override(&pf->hw) && 2147 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 2148 struct ice_link_default_override_tlv *ldo; 2149 2150 ldo = &pf->link_dflt_override; 2151 /* If override enabled and PHY mask set, then 2152 * Advertising link mode is the intersection of the PHY 2153 * types without media and the override PHY mask. 2154 */ 2155 if (ldo->options & ICE_LINK_OVERRIDE_EN && 2156 (ldo->phy_type_low || ldo->phy_type_high)) { 2157 advert_phy_type_lo = 2158 le64_to_cpu(pf->nvm_phy_type_lo) & 2159 ldo->phy_type_low; 2160 advert_phy_type_hi = 2161 le64_to_cpu(pf->nvm_phy_type_hi) & 2162 ldo->phy_type_high; 2163 } 2164 } 2165 } else { 2166 /* strict mode */ 2167 phy_types_low = vsi->port_info->phy.phy_type_low; 2168 phy_types_high = vsi->port_info->phy.phy_type_high; 2169 } 2170 2171 /* If Advertising link mode PHY type is not using override PHY type, 2172 * then use PHY type with media. 2173 */ 2174 if (!advert_phy_type_lo && !advert_phy_type_hi) { 2175 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 2176 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 2177 } 2178 2179 linkmode_zero(ks->link_modes.supported); 2180 linkmode_zero(ks->link_modes.advertising); 2181 2182 for (i = 0; i < ARRAY_SIZE(phy_type_low_lkup); i++) { 2183 if (phy_types_low & BIT_ULL(i)) 2184 ice_linkmode_set_bit(&phy_type_low_lkup[i], ks, 2185 req_speeds, advert_phy_type_lo, 2186 i); 2187 } 2188 2189 for (i = 0; i < ARRAY_SIZE(phy_type_high_lkup); i++) { 2190 if (phy_types_high & BIT_ULL(i)) 2191 ice_linkmode_set_bit(&phy_type_high_lkup[i], ks, 2192 req_speeds, advert_phy_type_hi, 2193 i); 2194 } 2195 } 2196 2197 #define TEST_SET_BITS_TIMEOUT 50 2198 #define TEST_SET_BITS_SLEEP_MAX 2000 2199 #define TEST_SET_BITS_SLEEP_MIN 1000 2200 2201 /** 2202 * ice_get_settings_link_up - Get Link settings for when link is up 2203 * @ks: ethtool ksettings to fill in 2204 * @netdev: network interface device structure 2205 */ 2206 static void 2207 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 2208 struct net_device *netdev) 2209 { 2210 struct ice_netdev_priv *np = netdev_priv(netdev); 2211 struct ice_port_info *pi = np->vsi->port_info; 2212 struct ice_link_status *link_info; 2213 struct ice_vsi *vsi = np->vsi; 2214 2215 link_info = &vsi->port_info->phy.link_info; 2216 2217 /* Get supported and advertised settings from PHY ability with media */ 2218 ice_phy_type_to_ethtool(netdev, ks); 2219 2220 switch (link_info->link_speed) { 2221 case ICE_AQ_LINK_SPEED_200GB: 2222 ks->base.speed = SPEED_200000; 2223 break; 2224 case ICE_AQ_LINK_SPEED_100GB: 2225 ks->base.speed = SPEED_100000; 2226 break; 2227 case ICE_AQ_LINK_SPEED_50GB: 2228 ks->base.speed = SPEED_50000; 2229 break; 2230 case ICE_AQ_LINK_SPEED_40GB: 2231 ks->base.speed = SPEED_40000; 2232 break; 2233 case ICE_AQ_LINK_SPEED_25GB: 2234 ks->base.speed = SPEED_25000; 2235 break; 2236 case ICE_AQ_LINK_SPEED_20GB: 2237 ks->base.speed = SPEED_20000; 2238 break; 2239 case ICE_AQ_LINK_SPEED_10GB: 2240 ks->base.speed = SPEED_10000; 2241 break; 2242 case ICE_AQ_LINK_SPEED_5GB: 2243 ks->base.speed = SPEED_5000; 2244 break; 2245 case ICE_AQ_LINK_SPEED_2500MB: 2246 ks->base.speed = SPEED_2500; 2247 break; 2248 case ICE_AQ_LINK_SPEED_1000MB: 2249 ks->base.speed = SPEED_1000; 2250 break; 2251 case ICE_AQ_LINK_SPEED_100MB: 2252 ks->base.speed = SPEED_100; 2253 break; 2254 default: 2255 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 2256 link_info->link_speed); 2257 break; 2258 } 2259 ks->base.duplex = DUPLEX_FULL; 2260 2261 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 2262 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2263 Autoneg); 2264 2265 /* Set flow control negotiated Rx/Tx pause */ 2266 switch (pi->fc.current_mode) { 2267 case ICE_FC_FULL: 2268 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2269 break; 2270 case ICE_FC_TX_PAUSE: 2271 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2272 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2273 Asym_Pause); 2274 break; 2275 case ICE_FC_RX_PAUSE: 2276 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2277 Asym_Pause); 2278 break; 2279 case ICE_FC_PFC: 2280 default: 2281 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 2282 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 2283 Asym_Pause); 2284 break; 2285 } 2286 } 2287 2288 /** 2289 * ice_get_settings_link_down - Get the Link settings when link is down 2290 * @ks: ethtool ksettings to fill in 2291 * @netdev: network interface device structure 2292 * 2293 * Reports link settings that can be determined when link is down 2294 */ 2295 static void 2296 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 2297 struct net_device *netdev) 2298 { 2299 /* link is down and the driver needs to fall back on 2300 * supported PHY types to figure out what info to display 2301 */ 2302 ice_phy_type_to_ethtool(netdev, ks); 2303 2304 /* With no link, speed and duplex are unknown */ 2305 ks->base.speed = SPEED_UNKNOWN; 2306 ks->base.duplex = DUPLEX_UNKNOWN; 2307 } 2308 2309 /** 2310 * ice_get_link_ksettings - Get Link Speed and Duplex settings 2311 * @netdev: network interface device structure 2312 * @ks: ethtool ksettings 2313 * 2314 * Reports speed/duplex settings based on media_type 2315 */ 2316 static int 2317 ice_get_link_ksettings(struct net_device *netdev, 2318 struct ethtool_link_ksettings *ks) 2319 { 2320 struct ice_netdev_priv *np = netdev_priv(netdev); 2321 struct ice_aqc_get_phy_caps_data *caps; 2322 struct ice_link_status *hw_link_info; 2323 struct ice_vsi *vsi = np->vsi; 2324 int err; 2325 2326 ethtool_link_ksettings_zero_link_mode(ks, supported); 2327 ethtool_link_ksettings_zero_link_mode(ks, advertising); 2328 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 2329 hw_link_info = &vsi->port_info->phy.link_info; 2330 2331 /* set speed and duplex */ 2332 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 2333 ice_get_settings_link_up(ks, netdev); 2334 else 2335 ice_get_settings_link_down(ks, netdev); 2336 2337 /* set autoneg settings */ 2338 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 2339 AUTONEG_ENABLE : AUTONEG_DISABLE; 2340 2341 /* set media type settings */ 2342 switch (vsi->port_info->phy.media_type) { 2343 case ICE_MEDIA_FIBER: 2344 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2345 ks->base.port = PORT_FIBRE; 2346 break; 2347 case ICE_MEDIA_BASET: 2348 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 2349 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 2350 ks->base.port = PORT_TP; 2351 break; 2352 case ICE_MEDIA_BACKPLANE: 2353 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 2354 ethtool_link_ksettings_add_link_mode(ks, advertising, 2355 Backplane); 2356 ks->base.port = PORT_NONE; 2357 break; 2358 case ICE_MEDIA_DA: 2359 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2360 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 2361 ks->base.port = PORT_DA; 2362 break; 2363 default: 2364 ks->base.port = PORT_OTHER; 2365 break; 2366 } 2367 2368 /* flow control is symmetric and always supported */ 2369 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2370 2371 caps = kzalloc_obj(*caps); 2372 if (!caps) 2373 return -ENOMEM; 2374 2375 err = ice_aq_get_phy_caps(vsi->port_info, false, 2376 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 2377 if (err) 2378 goto done; 2379 2380 /* Set the advertised flow control based on the PHY capability */ 2381 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2382 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2383 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2384 ethtool_link_ksettings_add_link_mode(ks, advertising, 2385 Asym_Pause); 2386 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2387 ethtool_link_ksettings_add_link_mode(ks, advertising, 2388 Asym_Pause); 2389 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2390 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2391 ethtool_link_ksettings_add_link_mode(ks, advertising, 2392 Asym_Pause); 2393 } else { 2394 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2395 ethtool_link_ksettings_del_link_mode(ks, advertising, 2396 Asym_Pause); 2397 } 2398 2399 /* Set advertised FEC modes based on PHY capability */ 2400 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2401 2402 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2403 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2404 ethtool_link_ksettings_add_link_mode(ks, advertising, 2405 FEC_BASER); 2406 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2407 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2408 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2409 2410 err = ice_aq_get_phy_caps(vsi->port_info, false, 2411 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 2412 if (err) 2413 goto done; 2414 2415 /* Set supported FEC modes based on PHY capability */ 2416 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2417 2418 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2419 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2420 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2421 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2422 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2423 2424 /* Set supported and advertised autoneg */ 2425 if (ice_is_phy_caps_an_enabled(caps)) { 2426 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2427 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2428 } 2429 2430 done: 2431 kfree(caps); 2432 return err; 2433 } 2434 2435 /** 2436 * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed 2437 * @speed: ethtool forced speed 2438 */ 2439 static u16 ice_speed_to_aq_link(int speed) 2440 { 2441 int aq_speed; 2442 2443 switch (speed) { 2444 case SPEED_10: 2445 aq_speed = ICE_AQ_LINK_SPEED_10MB; 2446 break; 2447 case SPEED_100: 2448 aq_speed = ICE_AQ_LINK_SPEED_100MB; 2449 break; 2450 case SPEED_1000: 2451 aq_speed = ICE_AQ_LINK_SPEED_1000MB; 2452 break; 2453 case SPEED_2500: 2454 aq_speed = ICE_AQ_LINK_SPEED_2500MB; 2455 break; 2456 case SPEED_5000: 2457 aq_speed = ICE_AQ_LINK_SPEED_5GB; 2458 break; 2459 case SPEED_10000: 2460 aq_speed = ICE_AQ_LINK_SPEED_10GB; 2461 break; 2462 case SPEED_20000: 2463 aq_speed = ICE_AQ_LINK_SPEED_20GB; 2464 break; 2465 case SPEED_25000: 2466 aq_speed = ICE_AQ_LINK_SPEED_25GB; 2467 break; 2468 case SPEED_40000: 2469 aq_speed = ICE_AQ_LINK_SPEED_40GB; 2470 break; 2471 case SPEED_50000: 2472 aq_speed = ICE_AQ_LINK_SPEED_50GB; 2473 break; 2474 case SPEED_100000: 2475 aq_speed = ICE_AQ_LINK_SPEED_100GB; 2476 break; 2477 default: 2478 aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN; 2479 break; 2480 } 2481 return aq_speed; 2482 } 2483 2484 /** 2485 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2486 * @ks: ethtool ksettings 2487 */ 2488 static u16 2489 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2490 { 2491 const struct ethtool_forced_speed_map *map; 2492 u16 adv_link_speed = 0; 2493 2494 for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) { 2495 map = ice_adv_lnk_speed_maps + i; 2496 if (linkmode_intersects(ks->link_modes.advertising, map->caps)) 2497 adv_link_speed |= ice_speed_to_aq_link(map->speed); 2498 } 2499 2500 return adv_link_speed; 2501 } 2502 2503 /** 2504 * ice_setup_autoneg 2505 * @p: port info 2506 * @ks: ethtool_link_ksettings 2507 * @config: configuration that will be sent down to FW 2508 * @autoneg_enabled: autonegotiation is enabled or not 2509 * @autoneg_changed: will there a change in autonegotiation 2510 * @netdev: network interface device structure 2511 * 2512 * Setup PHY autonegotiation feature 2513 */ 2514 static int 2515 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2516 struct ice_aqc_set_phy_cfg_data *config, 2517 u8 autoneg_enabled, u8 *autoneg_changed, 2518 struct net_device *netdev) 2519 { 2520 int err = 0; 2521 2522 *autoneg_changed = 0; 2523 2524 /* Check autoneg */ 2525 if (autoneg_enabled == AUTONEG_ENABLE) { 2526 /* If autoneg was not already enabled */ 2527 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2528 /* If autoneg is not supported, return error */ 2529 if (!ethtool_link_ksettings_test_link_mode(ks, 2530 supported, 2531 Autoneg)) { 2532 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2533 err = -EINVAL; 2534 } else { 2535 /* Autoneg is allowed to change */ 2536 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2537 *autoneg_changed = 1; 2538 } 2539 } 2540 } else { 2541 /* If autoneg is currently enabled */ 2542 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2543 /* If autoneg is supported 10GBASE_T is the only PHY 2544 * that can disable it, so otherwise return error 2545 */ 2546 if (ethtool_link_ksettings_test_link_mode(ks, 2547 supported, 2548 Autoneg)) { 2549 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2550 err = -EINVAL; 2551 } else { 2552 /* Autoneg is allowed to change */ 2553 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2554 *autoneg_changed = 1; 2555 } 2556 } 2557 } 2558 2559 return err; 2560 } 2561 2562 /** 2563 * ice_set_phy_type_from_speed - set phy_types based on speeds 2564 * and advertised modes 2565 * @ks: ethtool link ksettings struct 2566 * @phy_type_low: pointer to the lower part of phy_type 2567 * @phy_type_high: pointer to the higher part of phy_type 2568 * @adv_link_speed: targeted link speeds bitmap 2569 */ 2570 static void 2571 ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks, 2572 u64 *phy_type_low, u64 *phy_type_high, 2573 u16 adv_link_speed) 2574 { 2575 /* Handle 1000M speed in a special way because ice_update_phy_type 2576 * enables all link modes, but having mixed copper and optical 2577 * standards is not supported. 2578 */ 2579 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB; 2580 2581 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2582 1000baseT_Full)) 2583 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T | 2584 ICE_PHY_TYPE_LOW_1G_SGMII; 2585 2586 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2587 1000baseKX_Full)) 2588 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX; 2589 2590 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2591 1000baseX_Full)) 2592 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX | 2593 ICE_PHY_TYPE_LOW_1000BASE_LX; 2594 2595 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed); 2596 } 2597 2598 /** 2599 * ice_set_link_ksettings - Set Speed and Duplex 2600 * @netdev: network interface device structure 2601 * @ks: ethtool ksettings 2602 * 2603 * Set speed/duplex per media_types advertised/forced 2604 */ 2605 static int 2606 ice_set_link_ksettings(struct net_device *netdev, 2607 const struct ethtool_link_ksettings *ks) 2608 { 2609 struct ice_netdev_priv *np = netdev_priv(netdev); 2610 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2611 struct ethtool_link_ksettings copy_ks = *ks; 2612 struct ethtool_link_ksettings safe_ks = {}; 2613 struct ice_aqc_get_phy_caps_data *phy_caps; 2614 struct ice_aqc_set_phy_cfg_data config; 2615 u16 adv_link_speed, curr_link_speed; 2616 struct ice_pf *pf = np->vsi->back; 2617 struct ice_port_info *pi; 2618 u8 autoneg_changed = 0; 2619 u64 phy_type_high = 0; 2620 u64 phy_type_low = 0; 2621 bool linkup; 2622 int err; 2623 2624 pi = np->vsi->port_info; 2625 2626 if (!pi) 2627 return -EIO; 2628 2629 if (pi->phy.media_type != ICE_MEDIA_BASET && 2630 pi->phy.media_type != ICE_MEDIA_FIBER && 2631 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2632 pi->phy.media_type != ICE_MEDIA_DA && 2633 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2634 return -EOPNOTSUPP; 2635 2636 phy_caps = kzalloc_obj(*phy_caps); 2637 if (!phy_caps) 2638 return -ENOMEM; 2639 2640 /* Get the PHY capabilities based on media */ 2641 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2642 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2643 phy_caps, NULL); 2644 else 2645 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2646 phy_caps, NULL); 2647 if (err) 2648 goto done; 2649 2650 /* save autoneg out of ksettings */ 2651 autoneg = copy_ks.base.autoneg; 2652 2653 /* Get link modes supported by hardware.*/ 2654 ice_phy_type_to_ethtool(netdev, &safe_ks); 2655 2656 /* and check against modes requested by user. 2657 * Return an error if unsupported mode was set. 2658 */ 2659 if (!bitmap_subset(copy_ks.link_modes.advertising, 2660 safe_ks.link_modes.supported, 2661 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2662 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2663 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2664 err = -EOPNOTSUPP; 2665 goto done; 2666 } 2667 2668 /* get our own copy of the bits to check against */ 2669 memset(&safe_ks, 0, sizeof(safe_ks)); 2670 safe_ks.base.cmd = copy_ks.base.cmd; 2671 safe_ks.base.link_mode_masks_nwords = 2672 copy_ks.base.link_mode_masks_nwords; 2673 ice_get_link_ksettings(netdev, &safe_ks); 2674 2675 /* set autoneg back to what it currently is */ 2676 copy_ks.base.autoneg = safe_ks.base.autoneg; 2677 /* we don't compare the speed */ 2678 copy_ks.base.speed = safe_ks.base.speed; 2679 2680 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2681 * trying to set something that we do not support. 2682 */ 2683 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2684 err = -EOPNOTSUPP; 2685 goto done; 2686 } 2687 2688 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2689 timeout--; 2690 if (!timeout) { 2691 err = -EBUSY; 2692 goto done; 2693 } 2694 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2695 } 2696 2697 /* Copy the current user PHY configuration. The current user PHY 2698 * configuration is initialized during probe from PHY capabilities 2699 * software mode, and updated on set PHY configuration. 2700 */ 2701 config = pi->phy.curr_user_phy_cfg; 2702 2703 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2704 2705 /* Check autoneg */ 2706 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2707 netdev); 2708 2709 if (err) 2710 goto done; 2711 2712 /* Call to get the current link speed */ 2713 pi->phy.get_link_info = true; 2714 err = ice_get_link_status(pi, &linkup); 2715 if (err) 2716 goto done; 2717 2718 curr_link_speed = pi->phy.curr_user_speed_req; 2719 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2720 2721 /* If speed didn't get set, set it to what it currently is. 2722 * This is needed because if advertise is 0 (as it is when autoneg 2723 * is disabled) then speed won't get set. 2724 */ 2725 if (!adv_link_speed) 2726 adv_link_speed = curr_link_speed; 2727 2728 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2729 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high, 2730 adv_link_speed); 2731 2732 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2733 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2734 goto done; 2735 } 2736 2737 /* save the requested speeds */ 2738 pi->phy.link_info.req_speeds = adv_link_speed; 2739 2740 /* set link and auto negotiation so changes take effect */ 2741 config.caps |= ICE_AQ_PHY_ENA_LINK; 2742 2743 /* check if there is a PHY type for the requested advertised speed */ 2744 if (!(phy_type_low || phy_type_high)) { 2745 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2746 err = -EOPNOTSUPP; 2747 goto done; 2748 } 2749 2750 /* intersect requested advertised speed PHY types with media PHY types 2751 * for set PHY configuration 2752 */ 2753 config.phy_type_high = cpu_to_le64(phy_type_high) & 2754 phy_caps->phy_type_high; 2755 config.phy_type_low = cpu_to_le64(phy_type_low) & 2756 phy_caps->phy_type_low; 2757 2758 if (!(config.phy_type_high || config.phy_type_low)) { 2759 /* If there is no intersection and lenient mode is enabled, then 2760 * intersect the requested advertised speed with NVM media type 2761 * PHY types. 2762 */ 2763 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2764 config.phy_type_high = cpu_to_le64(phy_type_high) & 2765 pf->nvm_phy_type_hi; 2766 config.phy_type_low = cpu_to_le64(phy_type_low) & 2767 pf->nvm_phy_type_lo; 2768 } else { 2769 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2770 err = -EOPNOTSUPP; 2771 goto done; 2772 } 2773 } 2774 2775 /* If link is up put link down */ 2776 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2777 /* Tell the OS link is going down, the link will go 2778 * back up when fw says it is ready asynchronously 2779 */ 2780 ice_print_link_msg(np->vsi, false); 2781 netif_carrier_off(netdev); 2782 netif_tx_stop_all_queues(netdev); 2783 } 2784 2785 /* make the aq call */ 2786 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2787 if (err) { 2788 netdev_info(netdev, "Set phy config failed,\n"); 2789 goto done; 2790 } 2791 2792 /* Save speed request */ 2793 pi->phy.curr_user_speed_req = adv_link_speed; 2794 done: 2795 kfree(phy_caps); 2796 clear_bit(ICE_CFG_BUSY, pf->state); 2797 2798 return err; 2799 } 2800 2801 static u32 ice_parse_hdrs(const struct ethtool_rxfh_fields *nfc) 2802 { 2803 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2804 2805 switch (nfc->flow_type) { 2806 case TCP_V4_FLOW: 2807 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2808 break; 2809 case UDP_V4_FLOW: 2810 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2811 break; 2812 case SCTP_V4_FLOW: 2813 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2814 break; 2815 case GTPU_V4_FLOW: 2816 hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV4; 2817 break; 2818 case GTPC_V4_FLOW: 2819 hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV4; 2820 break; 2821 case GTPC_TEID_V4_FLOW: 2822 hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV4; 2823 break; 2824 case GTPU_EH_V4_FLOW: 2825 hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV4; 2826 break; 2827 case GTPU_UL_V4_FLOW: 2828 hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV4; 2829 break; 2830 case GTPU_DL_V4_FLOW: 2831 hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV4; 2832 break; 2833 case TCP_V6_FLOW: 2834 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2835 break; 2836 case UDP_V6_FLOW: 2837 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2838 break; 2839 case SCTP_V6_FLOW: 2840 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2841 break; 2842 case GTPU_V6_FLOW: 2843 hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV6; 2844 break; 2845 case GTPC_V6_FLOW: 2846 hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV6; 2847 break; 2848 case GTPC_TEID_V6_FLOW: 2849 hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV6; 2850 break; 2851 case GTPU_EH_V6_FLOW: 2852 hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV6; 2853 break; 2854 case GTPU_UL_V6_FLOW: 2855 hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV6; 2856 break; 2857 case GTPU_DL_V6_FLOW: 2858 hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV6; 2859 break; 2860 default: 2861 break; 2862 } 2863 return hdrs; 2864 } 2865 2866 static u64 ice_parse_hash_flds(const struct ethtool_rxfh_fields *nfc, bool symm) 2867 { 2868 u64 hfld = ICE_HASH_INVALID; 2869 2870 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2871 switch (nfc->flow_type) { 2872 case TCP_V4_FLOW: 2873 case UDP_V4_FLOW: 2874 case SCTP_V4_FLOW: 2875 case GTPU_V4_FLOW: 2876 case GTPC_V4_FLOW: 2877 case GTPC_TEID_V4_FLOW: 2878 case GTPU_EH_V4_FLOW: 2879 case GTPU_UL_V4_FLOW: 2880 case GTPU_DL_V4_FLOW: 2881 if (nfc->data & RXH_IP_SRC) 2882 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2883 if (nfc->data & RXH_IP_DST) 2884 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2885 break; 2886 case TCP_V6_FLOW: 2887 case UDP_V6_FLOW: 2888 case SCTP_V6_FLOW: 2889 case GTPU_V6_FLOW: 2890 case GTPC_V6_FLOW: 2891 case GTPC_TEID_V6_FLOW: 2892 case GTPU_EH_V6_FLOW: 2893 case GTPU_UL_V6_FLOW: 2894 case GTPU_DL_V6_FLOW: 2895 if (nfc->data & RXH_IP_SRC) 2896 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2897 if (nfc->data & RXH_IP_DST) 2898 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2899 break; 2900 default: 2901 break; 2902 } 2903 } 2904 2905 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2906 switch (nfc->flow_type) { 2907 case TCP_V4_FLOW: 2908 case TCP_V6_FLOW: 2909 if (nfc->data & RXH_L4_B_0_1) 2910 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2911 if (nfc->data & RXH_L4_B_2_3) 2912 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2913 break; 2914 case UDP_V4_FLOW: 2915 case UDP_V6_FLOW: 2916 if (nfc->data & RXH_L4_B_0_1) 2917 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2918 if (nfc->data & RXH_L4_B_2_3) 2919 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2920 break; 2921 case SCTP_V4_FLOW: 2922 case SCTP_V6_FLOW: 2923 if (nfc->data & RXH_L4_B_0_1) 2924 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2925 if (nfc->data & RXH_L4_B_2_3) 2926 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2927 break; 2928 default: 2929 break; 2930 } 2931 } 2932 2933 if (nfc->data & RXH_GTP_TEID) { 2934 switch (nfc->flow_type) { 2935 case GTPC_TEID_V4_FLOW: 2936 case GTPC_TEID_V6_FLOW: 2937 hfld |= ICE_FLOW_HASH_FLD_GTPC_TEID; 2938 break; 2939 case GTPU_V4_FLOW: 2940 case GTPU_V6_FLOW: 2941 hfld |= ICE_FLOW_HASH_FLD_GTPU_IP_TEID; 2942 break; 2943 case GTPU_EH_V4_FLOW: 2944 case GTPU_EH_V6_FLOW: 2945 hfld |= ICE_FLOW_HASH_FLD_GTPU_EH_TEID; 2946 break; 2947 case GTPU_UL_V4_FLOW: 2948 case GTPU_UL_V6_FLOW: 2949 hfld |= ICE_FLOW_HASH_FLD_GTPU_UP_TEID; 2950 break; 2951 case GTPU_DL_V4_FLOW: 2952 case GTPU_DL_V6_FLOW: 2953 hfld |= ICE_FLOW_HASH_FLD_GTPU_DWN_TEID; 2954 break; 2955 default: 2956 break; 2957 } 2958 } 2959 2960 return hfld; 2961 } 2962 2963 static int 2964 ice_set_rxfh_fields(struct net_device *netdev, 2965 const struct ethtool_rxfh_fields *nfc, 2966 struct netlink_ext_ack *extack) 2967 { 2968 struct ice_netdev_priv *np = netdev_priv(netdev); 2969 struct ice_vsi *vsi = np->vsi; 2970 struct ice_pf *pf = vsi->back; 2971 struct ice_rss_hash_cfg cfg; 2972 struct device *dev; 2973 u64 hashed_flds; 2974 int status; 2975 bool symm; 2976 u32 hdrs; 2977 2978 dev = ice_pf_to_dev(pf); 2979 if (ice_is_safe_mode(pf)) { 2980 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2981 vsi->vsi_num); 2982 return -EINVAL; 2983 } 2984 2985 symm = !!(vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ); 2986 hashed_flds = ice_parse_hash_flds(nfc, symm); 2987 if (hashed_flds == ICE_HASH_INVALID) { 2988 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2989 vsi->vsi_num); 2990 return -EINVAL; 2991 } 2992 2993 hdrs = ice_parse_hdrs(nfc); 2994 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2995 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2996 vsi->vsi_num); 2997 return -EINVAL; 2998 } 2999 3000 cfg.hash_flds = hashed_flds; 3001 cfg.addl_hdrs = hdrs; 3002 cfg.hdr_type = ICE_RSS_ANY_HEADERS; 3003 cfg.symm = symm; 3004 3005 status = ice_add_rss_cfg(&pf->hw, vsi, &cfg); 3006 if (status) { 3007 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n", 3008 vsi->vsi_num, status); 3009 return status; 3010 } 3011 3012 return 0; 3013 } 3014 3015 static int 3016 ice_get_rxfh_fields(struct net_device *netdev, struct ethtool_rxfh_fields *nfc) 3017 { 3018 struct ice_netdev_priv *np = netdev_priv(netdev); 3019 struct ice_vsi *vsi = np->vsi; 3020 struct ice_pf *pf = vsi->back; 3021 struct device *dev; 3022 u64 hash_flds; 3023 bool symm; 3024 u32 hdrs; 3025 3026 dev = ice_pf_to_dev(pf); 3027 3028 nfc->data = 0; 3029 if (ice_is_safe_mode(pf)) { 3030 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 3031 vsi->vsi_num); 3032 return 0; 3033 } 3034 3035 hdrs = ice_parse_hdrs(nfc); 3036 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 3037 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 3038 vsi->vsi_num); 3039 return 0; 3040 } 3041 3042 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs, &symm); 3043 if (hash_flds == ICE_HASH_INVALID) { 3044 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 3045 vsi->vsi_num); 3046 return 0; 3047 } 3048 3049 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 3050 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 3051 nfc->data |= (u64)RXH_IP_SRC; 3052 3053 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 3054 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 3055 nfc->data |= (u64)RXH_IP_DST; 3056 3057 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 3058 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 3059 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 3060 nfc->data |= (u64)RXH_L4_B_0_1; 3061 3062 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 3063 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 3064 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 3065 nfc->data |= (u64)RXH_L4_B_2_3; 3066 3067 if (hash_flds & ICE_FLOW_HASH_FLD_GTPC_TEID || 3068 hash_flds & ICE_FLOW_HASH_FLD_GTPU_IP_TEID || 3069 hash_flds & ICE_FLOW_HASH_FLD_GTPU_EH_TEID || 3070 hash_flds & ICE_FLOW_HASH_FLD_GTPU_UP_TEID || 3071 hash_flds & ICE_FLOW_HASH_FLD_GTPU_DWN_TEID) 3072 nfc->data |= (u64)RXH_GTP_TEID; 3073 3074 return 0; 3075 } 3076 3077 /** 3078 * ice_set_rxnfc - command to set Rx flow rules. 3079 * @netdev: network interface device structure 3080 * @cmd: ethtool rxnfc command 3081 * 3082 * Returns 0 for success and negative values for errors 3083 */ 3084 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 3085 { 3086 struct ice_netdev_priv *np = netdev_priv(netdev); 3087 struct ice_vsi *vsi = np->vsi; 3088 3089 switch (cmd->cmd) { 3090 case ETHTOOL_SRXCLSRLINS: 3091 return ice_add_fdir_ethtool(vsi, cmd); 3092 case ETHTOOL_SRXCLSRLDEL: 3093 return ice_del_fdir_ethtool(vsi, cmd); 3094 default: 3095 break; 3096 } 3097 return -EOPNOTSUPP; 3098 } 3099 3100 /** 3101 * ice_get_rx_ring_count - get RX ring count 3102 * @netdev: network interface device structure 3103 * 3104 * Return: number of RX rings. 3105 */ 3106 static u32 ice_get_rx_ring_count(struct net_device *netdev) 3107 { 3108 struct ice_netdev_priv *np = netdev_priv(netdev); 3109 struct ice_vsi *vsi = np->vsi; 3110 3111 return vsi->rss_size; 3112 } 3113 3114 /** 3115 * ice_get_rxnfc - command to get Rx flow classification rules 3116 * @netdev: network interface device structure 3117 * @cmd: ethtool rxnfc command 3118 * @rule_locs: buffer to rturn Rx flow classification rules 3119 * 3120 * Returns Success if the command is supported. 3121 */ 3122 static int 3123 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 3124 u32 __always_unused *rule_locs) 3125 { 3126 struct ice_netdev_priv *np = netdev_priv(netdev); 3127 struct ice_vsi *vsi = np->vsi; 3128 int ret = -EOPNOTSUPP; 3129 struct ice_hw *hw; 3130 3131 hw = &vsi->back->hw; 3132 3133 switch (cmd->cmd) { 3134 case ETHTOOL_GRXCLSRLCNT: 3135 cmd->rule_cnt = hw->fdir_active_fltr; 3136 /* report total rule count */ 3137 cmd->data = ice_get_fdir_cnt_all(hw); 3138 ret = 0; 3139 break; 3140 case ETHTOOL_GRXCLSRULE: 3141 ret = ice_get_ethtool_fdir_entry(hw, cmd); 3142 break; 3143 case ETHTOOL_GRXCLSRLALL: 3144 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 3145 break; 3146 default: 3147 break; 3148 } 3149 3150 return ret; 3151 } 3152 3153 static void 3154 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 3155 struct kernel_ethtool_ringparam *kernel_ring, 3156 struct netlink_ext_ack *extack) 3157 { 3158 struct ice_netdev_priv *np = netdev_priv(netdev); 3159 struct ice_vsi *vsi = np->vsi; 3160 struct ice_hw *hw; 3161 3162 hw = &vsi->back->hw; 3163 ring->rx_max_pending = ICE_MAX_NUM_DESC_BY_MAC(hw); 3164 ring->tx_max_pending = ICE_MAX_NUM_DESC_BY_MAC(hw); 3165 if (vsi->tx_rings && vsi->rx_rings) { 3166 ring->rx_pending = vsi->rx_rings[0]->count; 3167 ring->tx_pending = vsi->tx_rings[0]->count; 3168 } else { 3169 ring->rx_pending = 0; 3170 ring->tx_pending = 0; 3171 } 3172 3173 /* Rx mini and jumbo rings are not supported */ 3174 ring->rx_mini_max_pending = 0; 3175 ring->rx_jumbo_max_pending = 0; 3176 ring->rx_mini_pending = 0; 3177 ring->rx_jumbo_pending = 0; 3178 3179 kernel_ring->tcp_data_split = vsi->hsplit ? 3180 ETHTOOL_TCP_DATA_SPLIT_ENABLED : 3181 ETHTOOL_TCP_DATA_SPLIT_DISABLED; 3182 } 3183 3184 static int 3185 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 3186 struct kernel_ethtool_ringparam *kernel_ring, 3187 struct netlink_ext_ack *extack) 3188 { 3189 struct ice_netdev_priv *np = netdev_priv(netdev); 3190 struct ice_tx_ring *xdp_rings = NULL; 3191 struct ice_tx_ring *tx_rings = NULL; 3192 struct ice_rx_ring *rx_rings = NULL; 3193 struct ice_vsi *vsi = np->vsi; 3194 struct ice_pf *pf = vsi->back; 3195 int i, timeout = 50, err = 0; 3196 struct ice_hw *hw = &pf->hw; 3197 u16 new_rx_cnt, new_tx_cnt; 3198 bool hsplit; 3199 3200 if (ring->tx_pending > ICE_MAX_NUM_DESC_BY_MAC(hw) || 3201 ring->tx_pending < ICE_MIN_NUM_DESC || 3202 ring->rx_pending > ICE_MAX_NUM_DESC_BY_MAC(hw) || 3203 ring->rx_pending < ICE_MIN_NUM_DESC) { 3204 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 3205 ring->tx_pending, ring->rx_pending, 3206 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC_BY_MAC(hw), 3207 ICE_REQ_DESC_MULTIPLE); 3208 return -EINVAL; 3209 } 3210 3211 /* Return if there is no rings (device is reloading) */ 3212 if (!vsi->tx_rings || !vsi->rx_rings) 3213 return -EBUSY; 3214 3215 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 3216 if (new_tx_cnt != ring->tx_pending) 3217 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 3218 new_tx_cnt); 3219 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 3220 if (new_rx_cnt != ring->rx_pending) 3221 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 3222 new_rx_cnt); 3223 3224 hsplit = kernel_ring->tcp_data_split == ETHTOOL_TCP_DATA_SPLIT_ENABLED; 3225 3226 /* if nothing to do return success */ 3227 if (new_tx_cnt == vsi->tx_rings[0]->count && 3228 new_rx_cnt == vsi->rx_rings[0]->count && 3229 hsplit == vsi->hsplit) { 3230 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 3231 return 0; 3232 } 3233 3234 /* If there is a AF_XDP UMEM attached to any of Rx rings, 3235 * disallow changing the number of descriptors -- regardless 3236 * if the netdev is running or not. 3237 */ 3238 if (ice_xsk_any_rx_ring_ena(vsi)) 3239 return -EBUSY; 3240 3241 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 3242 timeout--; 3243 if (!timeout) 3244 return -EBUSY; 3245 usleep_range(1000, 2000); 3246 } 3247 3248 /* set for the next time the netdev is started */ 3249 if (!netif_running(vsi->netdev)) { 3250 ice_for_each_alloc_txq(vsi, i) 3251 vsi->tx_rings[i]->count = new_tx_cnt; 3252 ice_for_each_alloc_rxq(vsi, i) 3253 vsi->rx_rings[i]->count = new_rx_cnt; 3254 if (ice_is_xdp_ena_vsi(vsi)) 3255 ice_for_each_xdp_txq(vsi, i) 3256 vsi->xdp_rings[i]->count = new_tx_cnt; 3257 vsi->num_tx_desc = (u16)new_tx_cnt; 3258 vsi->num_rx_desc = (u16)new_rx_cnt; 3259 vsi->hsplit = hsplit; 3260 3261 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 3262 goto done; 3263 } 3264 3265 if (new_tx_cnt == vsi->tx_rings[0]->count) 3266 goto process_rx; 3267 3268 /* alloc updated Tx resources */ 3269 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 3270 vsi->tx_rings[0]->count, new_tx_cnt); 3271 3272 tx_rings = kzalloc_objs(*tx_rings, vsi->num_txq); 3273 if (!tx_rings) { 3274 err = -ENOMEM; 3275 goto done; 3276 } 3277 3278 ice_for_each_txq(vsi, i) { 3279 /* clone ring and setup updated count */ 3280 tx_rings[i] = *vsi->tx_rings[i]; 3281 tx_rings[i].count = new_tx_cnt; 3282 tx_rings[i].desc = NULL; 3283 tx_rings[i].tx_buf = NULL; 3284 tx_rings[i].tstamp_ring = NULL; 3285 tx_rings[i].tx_tstamps = &pf->ptp.port.tx; 3286 err = ice_setup_tx_ring(&tx_rings[i]); 3287 if (err) { 3288 while (i--) 3289 ice_clean_tx_ring(&tx_rings[i]); 3290 kfree(tx_rings); 3291 goto done; 3292 } 3293 } 3294 3295 if (!ice_is_xdp_ena_vsi(vsi)) 3296 goto process_rx; 3297 3298 /* alloc updated XDP resources */ 3299 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 3300 vsi->xdp_rings[0]->count, new_tx_cnt); 3301 3302 xdp_rings = kzalloc_objs(*xdp_rings, vsi->num_xdp_txq); 3303 if (!xdp_rings) { 3304 err = -ENOMEM; 3305 goto free_tx; 3306 } 3307 3308 ice_for_each_xdp_txq(vsi, i) { 3309 /* clone ring and setup updated count */ 3310 xdp_rings[i] = *vsi->xdp_rings[i]; 3311 xdp_rings[i].count = new_tx_cnt; 3312 xdp_rings[i].desc = NULL; 3313 xdp_rings[i].tx_buf = NULL; 3314 err = ice_setup_tx_ring(&xdp_rings[i]); 3315 if (err) { 3316 while (i--) 3317 ice_clean_tx_ring(&xdp_rings[i]); 3318 kfree(xdp_rings); 3319 goto free_tx; 3320 } 3321 ice_set_ring_xdp(&xdp_rings[i]); 3322 } 3323 3324 process_rx: 3325 if (new_rx_cnt == vsi->rx_rings[0]->count) 3326 goto process_link; 3327 3328 /* alloc updated Rx resources */ 3329 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 3330 vsi->rx_rings[0]->count, new_rx_cnt); 3331 3332 rx_rings = kzalloc_objs(*rx_rings, vsi->num_rxq); 3333 if (!rx_rings) { 3334 err = -ENOMEM; 3335 goto free_xdp; 3336 } 3337 3338 ice_for_each_rxq(vsi, i) { 3339 /* clone ring and setup updated count */ 3340 rx_rings[i] = *vsi->rx_rings[i]; 3341 rx_rings[i].count = new_rx_cnt; 3342 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time; 3343 rx_rings[i].desc = NULL; 3344 rx_rings[i].xdp_buf = NULL; 3345 rx_rings[i].xdp_rxq = (struct xdp_rxq_info){ }; 3346 3347 /* this is to allow wr32 to have something to write to 3348 * during early allocation of Rx buffers 3349 */ 3350 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 3351 3352 err = ice_setup_rx_ring(&rx_rings[i]); 3353 if (err) 3354 goto rx_unwind; 3355 rx_unwind: 3356 if (err) { 3357 while (i) { 3358 i--; 3359 ice_free_rx_ring(&rx_rings[i]); 3360 } 3361 kfree(rx_rings); 3362 err = -ENOMEM; 3363 goto free_xdp; 3364 } 3365 } 3366 3367 process_link: 3368 vsi->hsplit = hsplit; 3369 3370 /* Bring interface down, copy in the new ring info, then restore the 3371 * interface. if VSI is up, bring it down and then back up 3372 */ 3373 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 3374 ice_down(vsi); 3375 3376 if (tx_rings) { 3377 ice_for_each_txq(vsi, i) { 3378 ice_free_tx_ring(vsi->tx_rings[i]); 3379 *vsi->tx_rings[i] = tx_rings[i]; 3380 } 3381 kfree(tx_rings); 3382 } 3383 3384 if (rx_rings) { 3385 ice_for_each_rxq(vsi, i) { 3386 ice_free_rx_ring(vsi->rx_rings[i]); 3387 /* copy the real tail offset */ 3388 rx_rings[i].tail = vsi->rx_rings[i]->tail; 3389 /* this is to fake out the allocation routine 3390 * into thinking it has to realloc everything 3391 * but the recycling logic will let us re-use 3392 * the buffers allocated above 3393 */ 3394 rx_rings[i].next_to_use = 0; 3395 rx_rings[i].next_to_clean = 0; 3396 *vsi->rx_rings[i] = rx_rings[i]; 3397 } 3398 kfree(rx_rings); 3399 } 3400 3401 if (xdp_rings) { 3402 ice_for_each_xdp_txq(vsi, i) { 3403 ice_free_tx_ring(vsi->xdp_rings[i]); 3404 *vsi->xdp_rings[i] = xdp_rings[i]; 3405 } 3406 kfree(xdp_rings); 3407 } 3408 3409 vsi->num_tx_desc = new_tx_cnt; 3410 vsi->num_rx_desc = new_rx_cnt; 3411 ice_up(vsi); 3412 } 3413 goto done; 3414 3415 free_xdp: 3416 if (xdp_rings) { 3417 ice_for_each_xdp_txq(vsi, i) 3418 ice_free_tx_ring(&xdp_rings[i]); 3419 kfree(xdp_rings); 3420 } 3421 3422 free_tx: 3423 /* error cleanup if the Rx allocations failed after getting Tx */ 3424 if (tx_rings) { 3425 ice_for_each_txq(vsi, i) 3426 ice_free_tx_ring(&tx_rings[i]); 3427 kfree(tx_rings); 3428 } 3429 3430 done: 3431 clear_bit(ICE_CFG_BUSY, pf->state); 3432 return err; 3433 } 3434 3435 /** 3436 * ice_get_pauseparam - Get Flow Control status 3437 * @netdev: network interface device structure 3438 * @pause: ethernet pause (flow control) parameters 3439 * 3440 * Get requested flow control status from PHY capability. 3441 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 3442 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 3443 * the negotiated Rx/Tx pause via lp_advertising. 3444 */ 3445 static void 3446 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3447 { 3448 struct ice_netdev_priv *np = netdev_priv(netdev); 3449 struct ice_port_info *pi = np->vsi->port_info; 3450 struct ice_aqc_get_phy_caps_data *pcaps; 3451 struct ice_dcbx_cfg *dcbx_cfg; 3452 int status; 3453 3454 /* Initialize pause params */ 3455 pause->rx_pause = 0; 3456 pause->tx_pause = 0; 3457 3458 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3459 3460 pcaps = kzalloc_obj(*pcaps); 3461 if (!pcaps) 3462 return; 3463 3464 /* Get current PHY config */ 3465 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3466 NULL); 3467 if (status) 3468 goto out; 3469 3470 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3471 AUTONEG_DISABLE; 3472 3473 if (dcbx_cfg->pfc.pfcena) 3474 /* PFC enabled so report LFC as off */ 3475 goto out; 3476 3477 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 3478 pause->tx_pause = 1; 3479 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 3480 pause->rx_pause = 1; 3481 3482 out: 3483 kfree(pcaps); 3484 } 3485 3486 /** 3487 * ice_set_pauseparam - Set Flow Control parameter 3488 * @netdev: network interface device structure 3489 * @pause: return Tx/Rx flow control status 3490 */ 3491 static int 3492 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3493 { 3494 struct ice_netdev_priv *np = netdev_priv(netdev); 3495 struct ice_aqc_get_phy_caps_data *pcaps; 3496 struct ice_link_status *hw_link_info; 3497 struct ice_pf *pf = np->vsi->back; 3498 struct ice_dcbx_cfg *dcbx_cfg; 3499 struct ice_vsi *vsi = np->vsi; 3500 struct ice_hw *hw = &pf->hw; 3501 struct ice_port_info *pi; 3502 u8 aq_failures; 3503 bool link_up; 3504 u32 is_an; 3505 int err; 3506 3507 pi = vsi->port_info; 3508 hw_link_info = &pi->phy.link_info; 3509 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3510 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3511 3512 /* Changing the port's flow control is not supported if this isn't the 3513 * PF VSI 3514 */ 3515 if (vsi->type != ICE_VSI_PF) { 3516 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3517 return -EOPNOTSUPP; 3518 } 3519 3520 /* Get pause param reports configured and negotiated flow control pause 3521 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3522 * defined get pause param pause->autoneg reports SW configured setting, 3523 * so compare pause->autoneg with SW configured to prevent the user from 3524 * using set pause param to chance autoneg. 3525 */ 3526 pcaps = kzalloc_obj(*pcaps); 3527 if (!pcaps) 3528 return -ENOMEM; 3529 3530 /* Get current PHY config */ 3531 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3532 NULL); 3533 if (err) { 3534 kfree(pcaps); 3535 return err; 3536 } 3537 3538 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3539 AUTONEG_DISABLE; 3540 3541 kfree(pcaps); 3542 3543 if (pause->autoneg != is_an) { 3544 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3545 return -EOPNOTSUPP; 3546 } 3547 3548 /* If we have link and don't have autoneg */ 3549 if (!test_bit(ICE_DOWN, pf->state) && 3550 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3551 /* Send message that it might not necessarily work*/ 3552 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3553 } 3554 3555 if (dcbx_cfg->pfc.pfcena) { 3556 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3557 return -EOPNOTSUPP; 3558 } 3559 if (pause->rx_pause && pause->tx_pause) 3560 pi->fc.req_mode = ICE_FC_FULL; 3561 else if (pause->rx_pause && !pause->tx_pause) 3562 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3563 else if (!pause->rx_pause && pause->tx_pause) 3564 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3565 else if (!pause->rx_pause && !pause->tx_pause) 3566 pi->fc.req_mode = ICE_FC_NONE; 3567 else 3568 return -EINVAL; 3569 3570 /* Set the FC mode and only restart AN if link is up */ 3571 err = ice_set_fc(pi, &aq_failures, link_up); 3572 3573 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3574 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n", 3575 err, libie_aq_str(hw->adminq.sq_last_status)); 3576 err = -EAGAIN; 3577 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3578 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n", 3579 err, libie_aq_str(hw->adminq.sq_last_status)); 3580 err = -EAGAIN; 3581 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3582 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n", 3583 err, libie_aq_str(hw->adminq.sq_last_status)); 3584 err = -EAGAIN; 3585 } 3586 3587 return err; 3588 } 3589 3590 /** 3591 * ice_get_rxfh_key_size - get the RSS hash key size 3592 * @netdev: network interface device structure 3593 * 3594 * Returns the table size. 3595 */ 3596 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3597 { 3598 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3599 } 3600 3601 /** 3602 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3603 * @netdev: network interface device structure 3604 * 3605 * Returns the table size. 3606 */ 3607 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3608 { 3609 struct ice_netdev_priv *np = netdev_priv(netdev); 3610 3611 return np->vsi->rss_table_size; 3612 } 3613 3614 /** 3615 * ice_get_rxfh - get the Rx flow hash indirection table 3616 * @netdev: network interface device structure 3617 * @rxfh: pointer to param struct (indir, key, hfunc) 3618 * 3619 * Reads the indirection table directly from the hardware. 3620 */ 3621 static int 3622 ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh) 3623 { 3624 struct ice_netdev_priv *np = netdev_priv(netdev); 3625 struct ice_vsi *vsi = np->vsi; 3626 struct ice_pf *pf = vsi->back; 3627 u16 qcount, offset; 3628 int err, i; 3629 u8 *lut; 3630 3631 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3632 netdev_warn(netdev, "RSS is not supported on this VSI!\n"); 3633 return -EOPNOTSUPP; 3634 } 3635 3636 qcount = vsi->mqprio_qopt.qopt.count[0]; 3637 offset = vsi->mqprio_qopt.qopt.offset[0]; 3638 3639 rxfh->hfunc = ETH_RSS_HASH_TOP; 3640 if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ) 3641 rxfh->input_xfrm |= RXH_XFRM_SYM_XOR; 3642 3643 if (!rxfh->indir) 3644 return 0; 3645 3646 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3647 if (!lut) 3648 return -ENOMEM; 3649 3650 err = ice_get_rss(vsi, rxfh->key, lut, vsi->rss_table_size); 3651 if (err) 3652 goto out; 3653 3654 if (ice_is_adq_active(pf)) { 3655 for (i = 0; i < vsi->rss_table_size; i++) 3656 rxfh->indir[i] = offset + lut[i] % qcount; 3657 goto out; 3658 } 3659 3660 for (i = 0; i < vsi->rss_table_size; i++) 3661 rxfh->indir[i] = lut[i]; 3662 3663 out: 3664 kfree(lut); 3665 return err; 3666 } 3667 3668 /** 3669 * ice_set_rxfh - set the Rx flow hash indirection table 3670 * @netdev: network interface device structure 3671 * @rxfh: pointer to param struct (indir, key, hfunc) 3672 * @extack: extended ACK from the Netlink message 3673 * 3674 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3675 * returns 0 after programming the table. 3676 */ 3677 static int 3678 ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh, 3679 struct netlink_ext_ack *extack) 3680 { 3681 struct ice_netdev_priv *np = netdev_priv(netdev); 3682 u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ; 3683 struct ice_vsi *vsi = np->vsi; 3684 struct ice_pf *pf = vsi->back; 3685 struct device *dev; 3686 int err; 3687 3688 dev = ice_pf_to_dev(pf); 3689 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && 3690 rxfh->hfunc != ETH_RSS_HASH_TOP) 3691 return -EOPNOTSUPP; 3692 3693 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3694 /* RSS not supported return error here */ 3695 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3696 return -EIO; 3697 } 3698 3699 if (ice_is_adq_active(pf)) { 3700 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n"); 3701 return -EOPNOTSUPP; 3702 } 3703 3704 /* Update the VSI's hash function */ 3705 if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR) 3706 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ; 3707 3708 err = ice_set_rss_hfunc(vsi, hfunc); 3709 if (err) 3710 return err; 3711 3712 if (rxfh->key) { 3713 if (!vsi->rss_hkey_user) { 3714 vsi->rss_hkey_user = 3715 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3716 GFP_KERNEL); 3717 if (!vsi->rss_hkey_user) 3718 return -ENOMEM; 3719 } 3720 memcpy(vsi->rss_hkey_user, rxfh->key, 3721 ICE_VSIQF_HKEY_ARRAY_SIZE); 3722 3723 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3724 if (err) 3725 return err; 3726 } 3727 3728 if (!vsi->rss_lut_user) { 3729 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3730 GFP_KERNEL); 3731 if (!vsi->rss_lut_user) 3732 return -ENOMEM; 3733 } 3734 3735 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3736 if (rxfh->indir) { 3737 int i; 3738 3739 for (i = 0; i < vsi->rss_table_size; i++) 3740 vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]); 3741 } else { 3742 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3743 vsi->rss_size); 3744 } 3745 3746 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3747 if (err) 3748 return err; 3749 3750 return 0; 3751 } 3752 3753 static int 3754 ice_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info) 3755 { 3756 struct ice_pf *pf = ice_netdev_to_pf(dev); 3757 3758 /* only report timestamping if PTP is enabled */ 3759 if (pf->ptp.state != ICE_PTP_READY) 3760 return ethtool_op_get_ts_info(dev, info); 3761 3762 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3763 SOF_TIMESTAMPING_TX_HARDWARE | 3764 SOF_TIMESTAMPING_RX_HARDWARE | 3765 SOF_TIMESTAMPING_RAW_HARDWARE; 3766 3767 info->phc_index = ice_ptp_clock_index(pf); 3768 3769 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3770 3771 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3772 3773 return 0; 3774 } 3775 3776 /** 3777 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3778 * @pf: PF structure 3779 */ 3780 static int ice_get_max_txq(struct ice_pf *pf) 3781 { 3782 return min(num_online_cpus(), pf->hw.func_caps.common_cap.num_txq); 3783 } 3784 3785 /** 3786 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3787 * @pf: PF structure 3788 */ 3789 static int ice_get_max_rxq(struct ice_pf *pf) 3790 { 3791 return min(num_online_cpus(), pf->hw.func_caps.common_cap.num_rxq); 3792 } 3793 3794 /** 3795 * ice_get_combined_cnt - return the current number of combined channels 3796 * @vsi: PF VSI pointer 3797 * 3798 * Go through all queue vectors and count ones that have both Rx and Tx ring 3799 * attached 3800 */ 3801 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3802 { 3803 u32 combined = 0; 3804 int q_idx; 3805 3806 ice_for_each_q_vector(vsi, q_idx) { 3807 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3808 3809 combined += min(q_vector->num_ring_tx, q_vector->num_ring_rx); 3810 } 3811 3812 return combined; 3813 } 3814 3815 /** 3816 * ice_get_channels - get the current and max supported channels 3817 * @dev: network interface device structure 3818 * @ch: ethtool channel data structure 3819 */ 3820 static void 3821 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3822 { 3823 struct ice_netdev_priv *np = netdev_priv(dev); 3824 struct ice_vsi *vsi = np->vsi; 3825 struct ice_pf *pf = vsi->back; 3826 3827 /* report maximum channels */ 3828 ch->max_rx = ice_get_max_rxq(pf); 3829 ch->max_tx = ice_get_max_txq(pf); 3830 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3831 3832 /* report current channels */ 3833 ch->combined_count = ice_get_combined_cnt(vsi); 3834 ch->rx_count = vsi->num_rxq - ch->combined_count; 3835 ch->tx_count = vsi->num_txq - ch->combined_count; 3836 3837 /* report other queues */ 3838 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3839 ch->max_other = ch->other_count; 3840 } 3841 3842 /** 3843 * ice_get_valid_rss_size - return valid number of RSS queues 3844 * @hw: pointer to the HW structure 3845 * @new_size: requested RSS queues 3846 */ 3847 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3848 { 3849 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3850 3851 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3852 } 3853 3854 /** 3855 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3856 * @vsi: VSI to reconfigure RSS LUT on 3857 * @req_rss_size: requested range of queue numbers for hashing 3858 * 3859 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3860 */ 3861 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3862 { 3863 struct ice_pf *pf = vsi->back; 3864 struct device *dev; 3865 struct ice_hw *hw; 3866 int err; 3867 u8 *lut; 3868 3869 dev = ice_pf_to_dev(pf); 3870 hw = &pf->hw; 3871 3872 if (!req_rss_size) 3873 return -EINVAL; 3874 3875 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3876 if (!lut) 3877 return -ENOMEM; 3878 3879 /* set RSS LUT parameters */ 3880 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3881 vsi->rss_size = 1; 3882 else 3883 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3884 3885 /* create/set RSS LUT */ 3886 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3887 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3888 if (err) 3889 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3890 libie_aq_str(hw->adminq.sq_last_status)); 3891 3892 kfree(lut); 3893 return err; 3894 } 3895 3896 /** 3897 * ice_set_channels - set the number channels 3898 * @dev: network interface device structure 3899 * @ch: ethtool channel data structure 3900 */ 3901 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3902 { 3903 struct ice_netdev_priv *np = netdev_priv(dev); 3904 struct ice_vsi *vsi = np->vsi; 3905 struct ice_pf *pf = vsi->back; 3906 int new_rx = 0, new_tx = 0; 3907 bool locked = false; 3908 int ret = 0; 3909 3910 /* do not support changing channels in Safe Mode */ 3911 if (ice_is_safe_mode(pf)) { 3912 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3913 return -EOPNOTSUPP; 3914 } 3915 /* do not support changing other_count */ 3916 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3917 return -EINVAL; 3918 3919 if (ice_is_adq_active(pf)) { 3920 netdev_err(dev, "Cannot set channels with ADQ configured.\n"); 3921 return -EOPNOTSUPP; 3922 } 3923 3924 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3925 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3926 return -EOPNOTSUPP; 3927 } 3928 3929 if (ch->rx_count && ch->tx_count) { 3930 netdev_err(dev, "Dedicated RX or TX channels cannot be used simultaneously\n"); 3931 return -EINVAL; 3932 } 3933 3934 new_rx = ch->combined_count + ch->rx_count; 3935 new_tx = ch->combined_count + ch->tx_count; 3936 3937 if (new_rx < vsi->tc_cfg.numtc) { 3938 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n", 3939 vsi->tc_cfg.numtc); 3940 return -EINVAL; 3941 } 3942 if (new_tx < vsi->tc_cfg.numtc) { 3943 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n", 3944 vsi->tc_cfg.numtc); 3945 return -EINVAL; 3946 } 3947 if (new_rx > ice_get_max_rxq(pf)) { 3948 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3949 ice_get_max_rxq(pf)); 3950 return -EINVAL; 3951 } 3952 if (new_tx > ice_get_max_txq(pf)) { 3953 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3954 ice_get_max_txq(pf)); 3955 return -EINVAL; 3956 } 3957 3958 if (pf->cdev_info && pf->cdev_info->adev) { 3959 mutex_lock(&pf->adev_mutex); 3960 device_lock(&pf->cdev_info->adev->dev); 3961 locked = true; 3962 if (pf->cdev_info->adev->dev.driver) { 3963 netdev_err(dev, "Cannot change channels when RDMA is active\n"); 3964 ret = -EBUSY; 3965 goto adev_unlock; 3966 } 3967 } 3968 3969 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked); 3970 3971 if (!netif_is_rxfh_configured(dev)) { 3972 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3973 goto adev_unlock; 3974 } 3975 3976 /* Update rss_size due to change in Rx queues */ 3977 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3978 3979 adev_unlock: 3980 if (locked) { 3981 device_unlock(&pf->cdev_info->adev->dev); 3982 mutex_unlock(&pf->adev_mutex); 3983 } 3984 return ret; 3985 } 3986 3987 /** 3988 * ice_get_wol - get current Wake on LAN configuration 3989 * @netdev: network interface device structure 3990 * @wol: Ethtool structure to retrieve WoL settings 3991 */ 3992 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3993 { 3994 struct ice_netdev_priv *np = netdev_priv(netdev); 3995 struct ice_pf *pf = np->vsi->back; 3996 3997 if (np->vsi->type != ICE_VSI_PF) 3998 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3999 4000 /* Get WoL settings based on the HW capability */ 4001 if (ice_is_wol_supported(&pf->hw)) { 4002 wol->supported = WAKE_MAGIC; 4003 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 4004 } else { 4005 wol->supported = 0; 4006 wol->wolopts = 0; 4007 } 4008 } 4009 4010 /** 4011 * ice_set_wol - set Wake on LAN on supported device 4012 * @netdev: network interface device structure 4013 * @wol: Ethtool structure to set WoL 4014 */ 4015 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 4016 { 4017 struct ice_netdev_priv *np = netdev_priv(netdev); 4018 struct ice_vsi *vsi = np->vsi; 4019 struct ice_pf *pf = vsi->back; 4020 4021 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 4022 return -EOPNOTSUPP; 4023 4024 /* only magic packet is supported */ 4025 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 4026 return -EOPNOTSUPP; 4027 4028 /* Set WoL only if there is a new value */ 4029 if (pf->wol_ena != !!wol->wolopts) { 4030 pf->wol_ena = !!wol->wolopts; 4031 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 4032 netdev_dbg(netdev, "WoL magic packet %sabled\n", 4033 pf->wol_ena ? "en" : "dis"); 4034 } 4035 4036 return 0; 4037 } 4038 4039 /** 4040 * ice_get_rc_coalesce - get ITR values for specific ring container 4041 * @ec: ethtool structure to fill with driver's coalesce settings 4042 * @rc: ring container that the ITR values will come from 4043 * 4044 * Query the device for ice_ring_container specific ITR values. This is 4045 * done per ice_ring_container because each q_vector can have 1 or more rings 4046 * and all of said ring(s) will have the same ITR values. 4047 * 4048 * Returns 0 on success, negative otherwise. 4049 */ 4050 static int 4051 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc) 4052 { 4053 if (!rc->rx_ring) 4054 return -EINVAL; 4055 4056 switch (rc->type) { 4057 case ICE_RX_CONTAINER: 4058 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 4059 ec->rx_coalesce_usecs = rc->itr_setting; 4060 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl; 4061 break; 4062 case ICE_TX_CONTAINER: 4063 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 4064 ec->tx_coalesce_usecs = rc->itr_setting; 4065 break; 4066 default: 4067 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type); 4068 return -EINVAL; 4069 } 4070 4071 return 0; 4072 } 4073 4074 /** 4075 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 4076 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 4077 * @ec: coalesce settings to program the device with 4078 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 4079 * 4080 * Return 0 on success, and negative under the following conditions: 4081 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 4082 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 4083 */ 4084 static int 4085 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 4086 { 4087 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 4088 if (ice_get_rc_coalesce(ec, 4089 &vsi->rx_rings[q_num]->q_vector->rx)) 4090 return -EINVAL; 4091 if (ice_get_rc_coalesce(ec, 4092 &vsi->tx_rings[q_num]->q_vector->tx)) 4093 return -EINVAL; 4094 } else if (q_num < vsi->num_rxq) { 4095 if (ice_get_rc_coalesce(ec, 4096 &vsi->rx_rings[q_num]->q_vector->rx)) 4097 return -EINVAL; 4098 } else if (q_num < vsi->num_txq) { 4099 if (ice_get_rc_coalesce(ec, 4100 &vsi->tx_rings[q_num]->q_vector->tx)) 4101 return -EINVAL; 4102 } else { 4103 return -EINVAL; 4104 } 4105 4106 return 0; 4107 } 4108 4109 /** 4110 * __ice_get_coalesce - get ITR/INTRL values for the device 4111 * @netdev: pointer to the netdev associated with this query 4112 * @ec: ethtool structure to fill with driver's coalesce settings 4113 * @q_num: queue number to get the coalesce settings for 4114 * 4115 * If the caller passes in a negative q_num then we return coalesce settings 4116 * based on queue number 0, else use the actual q_num passed in. 4117 */ 4118 static int 4119 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 4120 int q_num) 4121 { 4122 struct ice_netdev_priv *np = netdev_priv(netdev); 4123 struct ice_vsi *vsi = np->vsi; 4124 4125 if (q_num < 0) 4126 q_num = 0; 4127 4128 if (ice_get_q_coalesce(vsi, ec, q_num)) 4129 return -EINVAL; 4130 4131 return 0; 4132 } 4133 4134 static int ice_get_coalesce(struct net_device *netdev, 4135 struct ethtool_coalesce *ec, 4136 struct kernel_ethtool_coalesce *kernel_coal, 4137 struct netlink_ext_ack *extack) 4138 { 4139 return __ice_get_coalesce(netdev, ec, -1); 4140 } 4141 4142 static int 4143 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 4144 struct ethtool_coalesce *ec) 4145 { 4146 return __ice_get_coalesce(netdev, ec, q_num); 4147 } 4148 4149 /** 4150 * ice_set_rc_coalesce - set ITR values for specific ring container 4151 * @ec: ethtool structure from user to update ITR settings 4152 * @rc: ring container that the ITR values will come from 4153 * @vsi: VSI associated to the ring container 4154 * 4155 * Set specific ITR values. This is done per ice_ring_container because each 4156 * q_vector can have 1 or more rings and all of said ring(s) will have the same 4157 * ITR values. 4158 * 4159 * Returns 0 on success, negative otherwise. 4160 */ 4161 static int 4162 ice_set_rc_coalesce(struct ethtool_coalesce *ec, 4163 struct ice_ring_container *rc, struct ice_vsi *vsi) 4164 { 4165 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx"; 4166 u32 use_adaptive_coalesce, coalesce_usecs; 4167 struct ice_pf *pf = vsi->back; 4168 u16 itr_setting; 4169 4170 if (!rc->rx_ring) 4171 return -EINVAL; 4172 4173 switch (rc->type) { 4174 case ICE_RX_CONTAINER: 4175 { 4176 struct ice_q_vector *q_vector = rc->rx_ring->q_vector; 4177 4178 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 4179 (ec->rx_coalesce_usecs_high && 4180 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 4181 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 4182 c_type_str, pf->hw.intrl_gran, 4183 ICE_MAX_INTRL); 4184 return -EINVAL; 4185 } 4186 if (ec->rx_coalesce_usecs_high != q_vector->intrl && 4187 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 4188 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 4189 c_type_str); 4190 return -EINVAL; 4191 } 4192 if (ec->rx_coalesce_usecs_high != q_vector->intrl) 4193 q_vector->intrl = ec->rx_coalesce_usecs_high; 4194 4195 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 4196 coalesce_usecs = ec->rx_coalesce_usecs; 4197 4198 break; 4199 } 4200 case ICE_TX_CONTAINER: 4201 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 4202 coalesce_usecs = ec->tx_coalesce_usecs; 4203 4204 break; 4205 default: 4206 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 4207 rc->type); 4208 return -EINVAL; 4209 } 4210 4211 itr_setting = rc->itr_setting; 4212 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 4213 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 4214 c_type_str, c_type_str); 4215 return -EINVAL; 4216 } 4217 4218 if (coalesce_usecs > ICE_ITR_MAX) { 4219 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 4220 c_type_str, ICE_ITR_MAX); 4221 return -EINVAL; 4222 } 4223 4224 if (use_adaptive_coalesce) { 4225 rc->itr_mode = ITR_DYNAMIC; 4226 } else { 4227 rc->itr_mode = ITR_STATIC; 4228 /* store user facing value how it was set */ 4229 rc->itr_setting = coalesce_usecs; 4230 /* write the change to the register */ 4231 ice_write_itr(rc, coalesce_usecs); 4232 /* force writes to take effect immediately, the flush shouldn't 4233 * be done in the functions above because the intent is for 4234 * them to do lazy writes. 4235 */ 4236 ice_flush(&pf->hw); 4237 } 4238 4239 return 0; 4240 } 4241 4242 /** 4243 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 4244 * @vsi: VSI associated to the queue that need updating 4245 * @ec: coalesce settings to program the device with 4246 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 4247 * 4248 * Return 0 on success, and negative under the following conditions: 4249 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 4250 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 4251 */ 4252 static int 4253 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 4254 { 4255 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 4256 if (ice_set_rc_coalesce(ec, 4257 &vsi->rx_rings[q_num]->q_vector->rx, 4258 vsi)) 4259 return -EINVAL; 4260 4261 if (ice_set_rc_coalesce(ec, 4262 &vsi->tx_rings[q_num]->q_vector->tx, 4263 vsi)) 4264 return -EINVAL; 4265 } else if (q_num < vsi->num_rxq) { 4266 if (ice_set_rc_coalesce(ec, 4267 &vsi->rx_rings[q_num]->q_vector->rx, 4268 vsi)) 4269 return -EINVAL; 4270 } else if (q_num < vsi->num_txq) { 4271 if (ice_set_rc_coalesce(ec, 4272 &vsi->tx_rings[q_num]->q_vector->tx, 4273 vsi)) 4274 return -EINVAL; 4275 } else { 4276 return -EINVAL; 4277 } 4278 4279 return 0; 4280 } 4281 4282 /** 4283 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 4284 * @netdev: netdev used for print 4285 * @itr_setting: previous user setting 4286 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 4287 * @coalesce_usecs: requested value of [tx|rx]-usecs 4288 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 4289 */ 4290 static void 4291 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 4292 u32 use_adaptive_coalesce, u32 coalesce_usecs, 4293 const char *c_type_str) 4294 { 4295 if (use_adaptive_coalesce) 4296 return; 4297 4298 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 4299 netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n", 4300 c_type_str, coalesce_usecs, c_type_str, 4301 ITR_REG_ALIGN(coalesce_usecs)); 4302 } 4303 4304 /** 4305 * __ice_set_coalesce - set ITR/INTRL values for the device 4306 * @netdev: pointer to the netdev associated with this query 4307 * @ec: ethtool structure to fill with driver's coalesce settings 4308 * @q_num: queue number to get the coalesce settings for 4309 * 4310 * If the caller passes in a negative q_num then we set the coalesce settings 4311 * for all Tx/Rx queues, else use the actual q_num passed in. 4312 */ 4313 static int 4314 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 4315 int q_num) 4316 { 4317 struct ice_netdev_priv *np = netdev_priv(netdev); 4318 struct ice_vsi *vsi = np->vsi; 4319 4320 if (q_num < 0) { 4321 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 4322 int v_idx; 4323 4324 if (q_vector) { 4325 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 4326 ec->use_adaptive_rx_coalesce, 4327 ec->rx_coalesce_usecs, "rx"); 4328 4329 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 4330 ec->use_adaptive_tx_coalesce, 4331 ec->tx_coalesce_usecs, "tx"); 4332 } 4333 4334 ice_for_each_q_vector(vsi, v_idx) { 4335 /* In some cases if DCB is configured the num_[rx|tx]q 4336 * can be less than vsi->num_q_vectors. This check 4337 * accounts for that so we don't report a false failure 4338 */ 4339 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 4340 goto set_complete; 4341 4342 if (ice_set_q_coalesce(vsi, ec, v_idx)) 4343 return -EINVAL; 4344 4345 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]); 4346 } 4347 goto set_complete; 4348 } 4349 4350 if (ice_set_q_coalesce(vsi, ec, q_num)) 4351 return -EINVAL; 4352 4353 ice_set_q_vector_intrl(vsi->q_vectors[q_num]); 4354 4355 set_complete: 4356 return 0; 4357 } 4358 4359 static int ice_set_coalesce(struct net_device *netdev, 4360 struct ethtool_coalesce *ec, 4361 struct kernel_ethtool_coalesce *kernel_coal, 4362 struct netlink_ext_ack *extack) 4363 { 4364 return __ice_set_coalesce(netdev, ec, -1); 4365 } 4366 4367 static int 4368 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 4369 struct ethtool_coalesce *ec) 4370 { 4371 return __ice_set_coalesce(netdev, ec, q_num); 4372 } 4373 4374 static void 4375 ice_repr_get_drvinfo(struct net_device *netdev, 4376 struct ethtool_drvinfo *drvinfo) 4377 { 4378 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4379 4380 if (repr->ops.ready(repr)) 4381 return; 4382 4383 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi); 4384 } 4385 4386 static void 4387 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 4388 { 4389 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4390 4391 /* for port representors only ETH_SS_STATS is supported */ 4392 if (repr->ops.ready(repr) || stringset != ETH_SS_STATS) 4393 return; 4394 4395 __ice_get_strings(netdev, stringset, data, repr->src_vsi); 4396 } 4397 4398 static void 4399 ice_repr_get_ethtool_stats(struct net_device *netdev, 4400 struct ethtool_stats __always_unused *stats, 4401 u64 *data) 4402 { 4403 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4404 4405 if (repr->ops.ready(repr)) 4406 return; 4407 4408 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi); 4409 } 4410 4411 static int ice_repr_get_sset_count(struct net_device *netdev, int sset) 4412 { 4413 switch (sset) { 4414 case ETH_SS_STATS: 4415 return ICE_VSI_STATS_LEN; 4416 default: 4417 return -EOPNOTSUPP; 4418 } 4419 } 4420 4421 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 4422 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 4423 #define ICE_MODULE_TYPE_SFP 0x03 4424 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 4425 #define ICE_MODULE_TYPE_QSFP28 0x11 4426 #define ICE_MODULE_SFF_ADDR_MODE 0x04 4427 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 4428 #define ICE_MODULE_REVISION_ADDR 0x01 4429 #define ICE_MODULE_SFF_8472_COMP 0x5E 4430 #define ICE_MODULE_SFF_8472_SWAP 0x5C 4431 #define ICE_MODULE_QSFP_MAX_LEN 640 4432 4433 /** 4434 * ice_get_module_info - get SFF module type and revision information 4435 * @netdev: network interface device structure 4436 * @modinfo: module EEPROM size and layout information structure 4437 */ 4438 static int 4439 ice_get_module_info(struct net_device *netdev, 4440 struct ethtool_modinfo *modinfo) 4441 { 4442 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4443 struct ice_hw *hw = &pf->hw; 4444 u8 sff8472_comp = 0; 4445 u8 sff8472_swap = 0; 4446 u8 sff8636_rev = 0; 4447 u8 value = 0; 4448 int status; 4449 4450 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 4451 0, &value, 1, 0, NULL); 4452 if (status) 4453 return status; 4454 4455 switch (value) { 4456 case ICE_MODULE_TYPE_SFP: 4457 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4458 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 4459 &sff8472_comp, 1, 0, NULL); 4460 if (status) 4461 return status; 4462 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4463 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 4464 &sff8472_swap, 1, 0, NULL); 4465 if (status) 4466 return status; 4467 4468 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 4469 modinfo->type = ETH_MODULE_SFF_8079; 4470 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4471 } else if (sff8472_comp && 4472 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 4473 modinfo->type = ETH_MODULE_SFF_8472; 4474 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 4475 } else { 4476 modinfo->type = ETH_MODULE_SFF_8079; 4477 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4478 } 4479 break; 4480 case ICE_MODULE_TYPE_QSFP_PLUS: 4481 case ICE_MODULE_TYPE_QSFP28: 4482 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4483 ICE_MODULE_REVISION_ADDR, 0x00, 0, 4484 &sff8636_rev, 1, 0, NULL); 4485 if (status) 4486 return status; 4487 /* Check revision compliance */ 4488 if (sff8636_rev > 0x02) { 4489 /* Module is SFF-8636 compliant */ 4490 modinfo->type = ETH_MODULE_SFF_8636; 4491 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4492 } else { 4493 modinfo->type = ETH_MODULE_SFF_8436; 4494 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4495 } 4496 break; 4497 default: 4498 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 4499 return -EINVAL; 4500 } 4501 return 0; 4502 } 4503 4504 /** 4505 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 4506 * @netdev: network interface device structure 4507 * @ee: EEPROM dump request structure 4508 * @data: buffer to be filled with EEPROM contents 4509 */ 4510 static int 4511 ice_get_module_eeprom(struct net_device *netdev, 4512 struct ethtool_eeprom *ee, u8 *data) 4513 { 4514 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4515 #define SFF_READ_BLOCK_SIZE 8 4516 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 4517 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 4518 struct ice_hw *hw = &pf->hw; 4519 bool is_sfp = false; 4520 unsigned int i; 4521 u16 offset = 0; 4522 u8 page = 0; 4523 int status; 4524 4525 if (!ee || !ee->len || !data) 4526 return -EINVAL; 4527 4528 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 4529 NULL); 4530 if (status) 4531 return status; 4532 4533 if (value[0] == ICE_MODULE_TYPE_SFP) 4534 is_sfp = true; 4535 4536 memset(data, 0, ee->len); 4537 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 4538 offset = i + ee->offset; 4539 page = 0; 4540 4541 /* Check if we need to access the other memory page */ 4542 if (is_sfp) { 4543 if (offset >= ETH_MODULE_SFF_8079_LEN) { 4544 offset -= ETH_MODULE_SFF_8079_LEN; 4545 addr = ICE_I2C_EEPROM_DEV_ADDR2; 4546 } 4547 } else { 4548 while (offset >= ETH_MODULE_SFF_8436_LEN) { 4549 /* Compute memory page number and offset. */ 4550 offset -= ETH_MODULE_SFF_8436_LEN / 2; 4551 page++; 4552 } 4553 } 4554 4555 /* Bit 2 of EEPROM address 0x02 declares upper 4556 * pages are disabled on QSFP modules. 4557 * SFP modules only ever use page 0. 4558 */ 4559 if (page == 0 || !(data[0x2] & 0x4)) { 4560 u32 copy_len; 4561 4562 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 4563 !is_sfp, value, 4564 SFF_READ_BLOCK_SIZE, 4565 0, NULL); 4566 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%pe)\n", 4567 addr, offset, page, is_sfp, 4568 value[0], value[1], value[2], value[3], 4569 value[4], value[5], value[6], value[7], 4570 ERR_PTR(status)); 4571 if (status) { 4572 netdev_err(netdev, "%s: error reading module EEPROM: status %pe\n", 4573 __func__, ERR_PTR(status)); 4574 return status; 4575 } 4576 4577 /* Make sure we have enough room for the new block */ 4578 copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i); 4579 memcpy(data + i, value, copy_len); 4580 } 4581 } 4582 return 0; 4583 } 4584 4585 /** 4586 * ice_get_port_fec_stats - returns FEC correctable, uncorrectable stats per 4587 * pcsquad, pcsport 4588 * @hw: pointer to the HW struct 4589 * @pcs_quad: pcsquad for input port 4590 * @pcs_port: pcsport for input port 4591 * @fec_stats: buffer to hold FEC statistics for given port 4592 * 4593 * Return: 0 on success, negative on failure. 4594 */ 4595 static int ice_get_port_fec_stats(struct ice_hw *hw, u16 pcs_quad, u16 pcs_port, 4596 struct ethtool_fec_stats *fec_stats) 4597 { 4598 u32 fec_uncorr_low_val = 0, fec_uncorr_high_val = 0; 4599 u32 fec_corr_low_val = 0, fec_corr_high_val = 0; 4600 int err; 4601 4602 if (pcs_quad > 1 || pcs_port > 3) 4603 return -EINVAL; 4604 4605 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_LOW, 4606 &fec_corr_low_val); 4607 if (err) 4608 return err; 4609 4610 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_HIGH, 4611 &fec_corr_high_val); 4612 if (err) 4613 return err; 4614 4615 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, 4616 ICE_FEC_UNCORR_LOW, 4617 &fec_uncorr_low_val); 4618 if (err) 4619 return err; 4620 4621 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, 4622 ICE_FEC_UNCORR_HIGH, 4623 &fec_uncorr_high_val); 4624 if (err) 4625 return err; 4626 4627 fec_stats->corrected_blocks.total = (fec_corr_high_val << 16) + 4628 fec_corr_low_val; 4629 fec_stats->uncorrectable_blocks.total = (fec_uncorr_high_val << 16) + 4630 fec_uncorr_low_val; 4631 return 0; 4632 } 4633 4634 /** 4635 * ice_get_fec_stats - returns FEC correctable, uncorrectable stats per netdev 4636 * @netdev: network interface device structure 4637 * @fec_stats: buffer to hold FEC statistics for given port 4638 * @hist: buffer to put FEC histogram statistics for given port 4639 * 4640 */ 4641 static void ice_get_fec_stats(struct net_device *netdev, 4642 struct ethtool_fec_stats *fec_stats, 4643 struct ethtool_fec_hist *hist) 4644 { 4645 struct ice_netdev_priv *np = netdev_priv(netdev); 4646 struct ice_port_topology port_topology; 4647 struct ice_port_info *pi; 4648 struct ice_pf *pf; 4649 struct ice_hw *hw; 4650 int err; 4651 4652 pf = np->vsi->back; 4653 hw = &pf->hw; 4654 pi = np->vsi->port_info; 4655 4656 /* Serdes parameters are not supported if not the PF VSI */ 4657 if (np->vsi->type != ICE_VSI_PF || !pi) 4658 return; 4659 4660 err = ice_get_port_topology(hw, pi->lport, &port_topology); 4661 if (err) { 4662 netdev_info(netdev, "Extended register dump failed Lport %d\n", 4663 pi->lport); 4664 return; 4665 } 4666 4667 /* Get FEC correctable, uncorrectable counter */ 4668 err = ice_get_port_fec_stats(hw, port_topology.pcs_quad_select, 4669 port_topology.pcs_port, fec_stats); 4670 if (err) 4671 netdev_info(netdev, "FEC stats get failed Lport %d Err %d\n", 4672 pi->lport, err); 4673 } 4674 4675 static void ice_get_eth_mac_stats(struct net_device *netdev, 4676 struct ethtool_eth_mac_stats *mac_stats) 4677 { 4678 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4679 struct ice_hw_port_stats *ps = &pf->stats; 4680 4681 mac_stats->FramesTransmittedOK = ps->eth.tx_unicast + 4682 ps->eth.tx_multicast + 4683 ps->eth.tx_broadcast; 4684 mac_stats->FramesReceivedOK = ps->eth.rx_unicast + 4685 ps->eth.rx_multicast + 4686 ps->eth.rx_broadcast; 4687 mac_stats->FrameCheckSequenceErrors = ps->crc_errors; 4688 mac_stats->OctetsTransmittedOK = ps->eth.tx_bytes; 4689 mac_stats->OctetsReceivedOK = ps->eth.rx_bytes; 4690 mac_stats->MulticastFramesXmittedOK = ps->eth.tx_multicast; 4691 mac_stats->BroadcastFramesXmittedOK = ps->eth.tx_broadcast; 4692 mac_stats->MulticastFramesReceivedOK = ps->eth.rx_multicast; 4693 mac_stats->BroadcastFramesReceivedOK = ps->eth.rx_broadcast; 4694 mac_stats->InRangeLengthErrors = ps->rx_len_errors; 4695 mac_stats->FrameTooLongErrors = ps->rx_oversize; 4696 } 4697 4698 static void ice_get_pause_stats(struct net_device *netdev, 4699 struct ethtool_pause_stats *pause_stats) 4700 { 4701 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4702 struct ice_hw_port_stats *ps = &pf->stats; 4703 4704 pause_stats->tx_pause_frames = ps->link_xon_tx + ps->link_xoff_tx; 4705 pause_stats->rx_pause_frames = ps->link_xon_rx + ps->link_xoff_rx; 4706 } 4707 4708 static const struct ethtool_rmon_hist_range ice_rmon_ranges[] = { 4709 { 0, 64 }, 4710 { 65, 127 }, 4711 { 128, 255 }, 4712 { 256, 511 }, 4713 { 512, 1023 }, 4714 { 1024, 1522 }, 4715 { 1523, 9522 }, 4716 {} 4717 }; 4718 4719 static void ice_get_rmon_stats(struct net_device *netdev, 4720 struct ethtool_rmon_stats *rmon, 4721 const struct ethtool_rmon_hist_range **ranges) 4722 { 4723 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4724 struct ice_hw_port_stats *ps = &pf->stats; 4725 4726 rmon->undersize_pkts = ps->rx_undersize; 4727 rmon->oversize_pkts = ps->rx_oversize; 4728 rmon->fragments = ps->rx_fragments; 4729 rmon->jabbers = ps->rx_jabber; 4730 4731 rmon->hist[0] = ps->rx_size_64; 4732 rmon->hist[1] = ps->rx_size_127; 4733 rmon->hist[2] = ps->rx_size_255; 4734 rmon->hist[3] = ps->rx_size_511; 4735 rmon->hist[4] = ps->rx_size_1023; 4736 rmon->hist[5] = ps->rx_size_1522; 4737 rmon->hist[6] = ps->rx_size_big; 4738 4739 rmon->hist_tx[0] = ps->tx_size_64; 4740 rmon->hist_tx[1] = ps->tx_size_127; 4741 rmon->hist_tx[2] = ps->tx_size_255; 4742 rmon->hist_tx[3] = ps->tx_size_511; 4743 rmon->hist_tx[4] = ps->tx_size_1023; 4744 rmon->hist_tx[5] = ps->tx_size_1522; 4745 rmon->hist_tx[6] = ps->tx_size_big; 4746 4747 *ranges = ice_rmon_ranges; 4748 } 4749 4750 /* ice_get_ts_stats - provide timestamping stats 4751 * @netdev: the netdevice pointer from ethtool 4752 * @ts_stats: the ethtool data structure to fill in 4753 */ 4754 static void ice_get_ts_stats(struct net_device *netdev, 4755 struct ethtool_ts_stats *ts_stats) 4756 { 4757 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4758 struct ice_ptp *ptp = &pf->ptp; 4759 4760 ts_stats->pkts = ptp->tx_hwtstamp_good; 4761 ts_stats->err = ptp->tx_hwtstamp_skipped + 4762 ptp->tx_hwtstamp_flushed + 4763 ptp->tx_hwtstamp_discarded; 4764 ts_stats->lost = ptp->tx_hwtstamp_timeouts; 4765 } 4766 4767 #define ICE_ETHTOOL_PFR (ETH_RESET_IRQ | ETH_RESET_DMA | \ 4768 ETH_RESET_FILTER | ETH_RESET_OFFLOAD) 4769 4770 #define ICE_ETHTOOL_CORER ((ICE_ETHTOOL_PFR | ETH_RESET_RAM) << \ 4771 ETH_RESET_SHARED_SHIFT) 4772 4773 #define ICE_ETHTOOL_GLOBR (ICE_ETHTOOL_CORER | \ 4774 (ETH_RESET_MAC << ETH_RESET_SHARED_SHIFT) | \ 4775 (ETH_RESET_PHY << ETH_RESET_SHARED_SHIFT)) 4776 4777 #define ICE_ETHTOOL_VFR ICE_ETHTOOL_PFR 4778 4779 /** 4780 * ice_ethtool_reset - triggers a given type of reset 4781 * @dev: network interface device structure 4782 * @flags: set of reset flags 4783 * 4784 * Return: 0 on success, -EOPNOTSUPP when using unsupported set of flags. 4785 */ 4786 static int ice_ethtool_reset(struct net_device *dev, u32 *flags) 4787 { 4788 struct ice_pf *pf = ice_netdev_to_pf(dev); 4789 enum ice_reset_req reset; 4790 4791 switch (*flags) { 4792 case ICE_ETHTOOL_CORER: 4793 reset = ICE_RESET_CORER; 4794 break; 4795 case ICE_ETHTOOL_GLOBR: 4796 reset = ICE_RESET_GLOBR; 4797 break; 4798 case ICE_ETHTOOL_PFR: 4799 reset = ICE_RESET_PFR; 4800 break; 4801 default: 4802 netdev_info(dev, "Unsupported set of ethtool flags"); 4803 return -EOPNOTSUPP; 4804 } 4805 4806 ice_schedule_reset(pf, reset); 4807 4808 *flags = 0; 4809 4810 return 0; 4811 } 4812 4813 /** 4814 * ice_repr_ethtool_reset - triggers a VF reset 4815 * @dev: network interface device structure 4816 * @flags: set of reset flags 4817 * 4818 * Return: 0 on success, 4819 * -EOPNOTSUPP when using unsupported set of flags 4820 * -EBUSY when VF is not ready for reset. 4821 */ 4822 static int ice_repr_ethtool_reset(struct net_device *dev, u32 *flags) 4823 { 4824 struct ice_repr *repr = ice_netdev_to_repr(dev); 4825 struct ice_vf *vf; 4826 4827 if (repr->type != ICE_REPR_TYPE_VF || 4828 *flags != ICE_ETHTOOL_VFR) 4829 return -EOPNOTSUPP; 4830 4831 vf = repr->vf; 4832 4833 if (ice_check_vf_ready_for_cfg(vf)) 4834 return -EBUSY; 4835 4836 *flags = 0; 4837 4838 return ice_reset_vf(vf, ICE_VF_RESET_VFLR | ICE_VF_RESET_LOCK); 4839 } 4840 4841 static const struct ethtool_ops ice_ethtool_ops = { 4842 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 4843 ETHTOOL_COALESCE_USE_ADAPTIVE | 4844 ETHTOOL_COALESCE_RX_USECS_HIGH, 4845 .supported_input_xfrm = RXH_XFRM_SYM_XOR, 4846 .supported_ring_params = ETHTOOL_RING_USE_TCP_DATA_SPLIT, 4847 .get_link_ksettings = ice_get_link_ksettings, 4848 .set_link_ksettings = ice_set_link_ksettings, 4849 .get_fec_stats = ice_get_fec_stats, 4850 .get_eth_mac_stats = ice_get_eth_mac_stats, 4851 .get_pause_stats = ice_get_pause_stats, 4852 .get_rmon_stats = ice_get_rmon_stats, 4853 .get_ts_stats = ice_get_ts_stats, 4854 .get_drvinfo = ice_get_drvinfo, 4855 .get_regs_len = ice_get_regs_len, 4856 .get_regs = ice_get_regs, 4857 .get_wol = ice_get_wol, 4858 .set_wol = ice_set_wol, 4859 .get_msglevel = ice_get_msglevel, 4860 .set_msglevel = ice_set_msglevel, 4861 .self_test = ice_self_test, 4862 .get_link = ethtool_op_get_link, 4863 .get_link_ext_stats = ice_get_link_ext_stats, 4864 .get_eeprom_len = ice_get_eeprom_len, 4865 .get_eeprom = ice_get_eeprom, 4866 .get_coalesce = ice_get_coalesce, 4867 .set_coalesce = ice_set_coalesce, 4868 .get_strings = ice_get_strings, 4869 .set_phys_id = ice_set_phys_id, 4870 .get_ethtool_stats = ice_get_ethtool_stats, 4871 .get_priv_flags = ice_get_priv_flags, 4872 .set_priv_flags = ice_set_priv_flags, 4873 .get_sset_count = ice_get_sset_count, 4874 .get_rxnfc = ice_get_rxnfc, 4875 .set_rxnfc = ice_set_rxnfc, 4876 .get_rx_ring_count = ice_get_rx_ring_count, 4877 .get_ringparam = ice_get_ringparam, 4878 .set_ringparam = ice_set_ringparam, 4879 .nway_reset = ice_nway_reset, 4880 .get_pauseparam = ice_get_pauseparam, 4881 .set_pauseparam = ice_set_pauseparam, 4882 .reset = ice_ethtool_reset, 4883 .get_rxfh_key_size = ice_get_rxfh_key_size, 4884 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4885 .get_rxfh = ice_get_rxfh, 4886 .set_rxfh = ice_set_rxfh, 4887 .get_rxfh_fields = ice_get_rxfh_fields, 4888 .set_rxfh_fields = ice_set_rxfh_fields, 4889 .get_channels = ice_get_channels, 4890 .set_channels = ice_set_channels, 4891 .get_ts_info = ice_get_ts_info, 4892 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4893 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4894 .get_fecparam = ice_get_fecparam, 4895 .set_fecparam = ice_set_fecparam, 4896 .get_module_info = ice_get_module_info, 4897 .get_module_eeprom = ice_get_module_eeprom, 4898 }; 4899 4900 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4901 .get_link_ksettings = ice_get_link_ksettings, 4902 .set_link_ksettings = ice_set_link_ksettings, 4903 .get_drvinfo = ice_get_drvinfo, 4904 .get_regs_len = ice_get_regs_len, 4905 .get_regs = ice_get_regs, 4906 .get_wol = ice_get_wol, 4907 .set_wol = ice_set_wol, 4908 .get_msglevel = ice_get_msglevel, 4909 .set_msglevel = ice_set_msglevel, 4910 .get_link = ethtool_op_get_link, 4911 .get_eeprom_len = ice_get_eeprom_len, 4912 .get_eeprom = ice_get_eeprom, 4913 .get_strings = ice_get_strings, 4914 .get_ethtool_stats = ice_get_ethtool_stats, 4915 .get_sset_count = ice_get_sset_count, 4916 .get_ringparam = ice_get_ringparam, 4917 .set_ringparam = ice_set_ringparam, 4918 .nway_reset = ice_nway_reset, 4919 .get_channels = ice_get_channels, 4920 }; 4921 4922 /** 4923 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4924 * @netdev: network interface device structure 4925 */ 4926 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4927 { 4928 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4929 } 4930 4931 static const struct ethtool_ops ice_ethtool_repr_ops = { 4932 .get_drvinfo = ice_repr_get_drvinfo, 4933 .get_link = ethtool_op_get_link, 4934 .get_strings = ice_repr_get_strings, 4935 .get_ethtool_stats = ice_repr_get_ethtool_stats, 4936 .get_sset_count = ice_repr_get_sset_count, 4937 .reset = ice_repr_ethtool_reset, 4938 }; 4939 4940 /** 4941 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops 4942 * @netdev: network interface device structure 4943 */ 4944 void ice_set_ethtool_repr_ops(struct net_device *netdev) 4945 { 4946 netdev->ethtool_ops = &ice_ethtool_repr_ops; 4947 } 4948 4949 /** 4950 * ice_set_ethtool_ops - setup netdev ethtool ops 4951 * @netdev: network interface device structure 4952 * 4953 * setup netdev ethtool ops with ice specific ops 4954 */ 4955 void ice_set_ethtool_ops(struct net_device *netdev) 4956 { 4957 netdev->ethtool_ops = &ice_ethtool_ops; 4958 } 4959