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