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