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_flow.h" 8 #include "ice_fltr.h" 9 #include "ice_lib.h" 10 #include "ice_dcb_lib.h" 11 #include <net/dcbnl.h> 12 13 struct ice_stats { 14 char stat_string[ETH_GSTRING_LEN]; 15 int sizeof_stat; 16 int stat_offset; 17 }; 18 19 #define ICE_STAT(_type, _name, _stat) { \ 20 .stat_string = _name, \ 21 .sizeof_stat = sizeof_field(_type, _stat), \ 22 .stat_offset = offsetof(_type, _stat) \ 23 } 24 25 #define ICE_VSI_STAT(_name, _stat) \ 26 ICE_STAT(struct ice_vsi, _name, _stat) 27 #define ICE_PF_STAT(_name, _stat) \ 28 ICE_STAT(struct ice_pf, _name, _stat) 29 30 static int ice_q_stats_len(struct net_device *netdev) 31 { 32 struct ice_netdev_priv *np = netdev_priv(netdev); 33 34 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 35 (sizeof(struct ice_q_stats) / sizeof(u64))); 36 } 37 38 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 39 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 40 41 #define ICE_PFC_STATS_LEN ( \ 42 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \ 43 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \ 44 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \ 45 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \ 46 / sizeof(u64)) 47 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 48 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 49 50 static const struct ice_stats ice_gstrings_vsi_stats[] = { 51 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 52 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 53 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 54 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 55 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 56 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 57 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 58 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 59 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 60 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 61 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 62 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 63 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 64 ICE_VSI_STAT("tx_linearize", tx_linearize), 65 ICE_VSI_STAT("tx_busy", tx_busy), 66 ICE_VSI_STAT("tx_restart", tx_restart), 67 }; 68 69 enum ice_ethtool_test_id { 70 ICE_ETH_TEST_REG = 0, 71 ICE_ETH_TEST_EEPROM, 72 ICE_ETH_TEST_INTR, 73 ICE_ETH_TEST_LOOP, 74 ICE_ETH_TEST_LINK, 75 }; 76 77 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 78 "Register test (offline)", 79 "EEPROM test (offline)", 80 "Interrupt test (offline)", 81 "Loopback test (offline)", 82 "Link test (on/offline)", 83 }; 84 85 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 86 87 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 88 * but they aren't. This device is capable of supporting multiple 89 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 90 * netdevs whereas the PF_STATs are for the physical function that's 91 * hosting these netdevs. 92 * 93 * The PF_STATs are appended to the netdev stats only when ethtool -S 94 * is queried on the base PF netdev. 95 */ 96 static const struct ice_stats ice_gstrings_pf_stats[] = { 97 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 98 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 99 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 100 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 101 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 102 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 103 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 104 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 105 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 106 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count), 107 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 108 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 109 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 110 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 111 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 112 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 113 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 114 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 115 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 116 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 117 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 118 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 119 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 120 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 121 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 122 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 123 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 124 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 125 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 126 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 127 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 128 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 129 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 130 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 131 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors), 132 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 133 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 134 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 135 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 136 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 137 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), 138 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), 139 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped), 140 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts), 141 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed), 142 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded), 143 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates), 144 }; 145 146 static const u32 ice_regs_dump_list[] = { 147 PFGEN_STATE, 148 PRTGEN_STATUS, 149 QRX_CTRL(0), 150 QINT_TQCTL(0), 151 QINT_RQCTL(0), 152 PFINT_OICR_ENA, 153 QRX_ITR(0), 154 #define GLDCB_TLPM_PCI_DM 0x000A0180 155 GLDCB_TLPM_PCI_DM, 156 #define GLDCB_TLPM_TC2PFC 0x000A0194 157 GLDCB_TLPM_TC2PFC, 158 #define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4)) 159 TCDCB_TLPM_WAIT_DM(0), 160 TCDCB_TLPM_WAIT_DM(1), 161 TCDCB_TLPM_WAIT_DM(2), 162 TCDCB_TLPM_WAIT_DM(3), 163 TCDCB_TLPM_WAIT_DM(4), 164 TCDCB_TLPM_WAIT_DM(5), 165 TCDCB_TLPM_WAIT_DM(6), 166 TCDCB_TLPM_WAIT_DM(7), 167 TCDCB_TLPM_WAIT_DM(8), 168 TCDCB_TLPM_WAIT_DM(9), 169 TCDCB_TLPM_WAIT_DM(10), 170 TCDCB_TLPM_WAIT_DM(11), 171 TCDCB_TLPM_WAIT_DM(12), 172 TCDCB_TLPM_WAIT_DM(13), 173 TCDCB_TLPM_WAIT_DM(14), 174 TCDCB_TLPM_WAIT_DM(15), 175 TCDCB_TLPM_WAIT_DM(16), 176 TCDCB_TLPM_WAIT_DM(17), 177 TCDCB_TLPM_WAIT_DM(18), 178 TCDCB_TLPM_WAIT_DM(19), 179 TCDCB_TLPM_WAIT_DM(20), 180 TCDCB_TLPM_WAIT_DM(21), 181 TCDCB_TLPM_WAIT_DM(22), 182 TCDCB_TLPM_WAIT_DM(23), 183 TCDCB_TLPM_WAIT_DM(24), 184 TCDCB_TLPM_WAIT_DM(25), 185 TCDCB_TLPM_WAIT_DM(26), 186 TCDCB_TLPM_WAIT_DM(27), 187 TCDCB_TLPM_WAIT_DM(28), 188 TCDCB_TLPM_WAIT_DM(29), 189 TCDCB_TLPM_WAIT_DM(30), 190 TCDCB_TLPM_WAIT_DM(31), 191 #define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90 192 GLPCI_WATMK_CLNT_PIPEMON, 193 #define GLPCI_CUR_CLNT_COMMON 0x000BFD84 194 GLPCI_CUR_CLNT_COMMON, 195 #define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88 196 GLPCI_CUR_CLNT_PIPEMON, 197 #define GLPCI_PCIERR 0x0009DEB0 198 GLPCI_PCIERR, 199 #define GLPSM_DEBUG_CTL_STATUS 0x000B0600 200 GLPSM_DEBUG_CTL_STATUS, 201 #define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680 202 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT, 203 #define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684 204 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT, 205 #define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688 206 GLPSM0_DEBUG_DT_OUT_OF_WINDOW, 207 #define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C 208 GLPSM0_DEBUG_INTF_HW_ERROR_DETECT, 209 #define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0 210 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT, 211 #define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80 212 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT, 213 #define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84 214 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT, 215 #define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88 216 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT, 217 #define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C 218 GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT, 219 #define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90 220 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT, 221 #define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680 222 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT, 223 #define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684 224 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT, 225 #define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688 226 GLPSM2_DEBUG_MISC_HW_ERROR_DETECT, 227 #define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4)) 228 GLTDPU_TCLAN_COMP_BOB(1), 229 GLTDPU_TCLAN_COMP_BOB(2), 230 GLTDPU_TCLAN_COMP_BOB(3), 231 GLTDPU_TCLAN_COMP_BOB(4), 232 GLTDPU_TCLAN_COMP_BOB(5), 233 GLTDPU_TCLAN_COMP_BOB(6), 234 GLTDPU_TCLAN_COMP_BOB(7), 235 GLTDPU_TCLAN_COMP_BOB(8), 236 #define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4)) 237 GLTDPU_TCB_CMD_BOB(1), 238 GLTDPU_TCB_CMD_BOB(2), 239 GLTDPU_TCB_CMD_BOB(3), 240 GLTDPU_TCB_CMD_BOB(4), 241 GLTDPU_TCB_CMD_BOB(5), 242 GLTDPU_TCB_CMD_BOB(6), 243 GLTDPU_TCB_CMD_BOB(7), 244 GLTDPU_TCB_CMD_BOB(8), 245 #define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4)) 246 GLTDPU_PSM_UPDATE_BOB(1), 247 GLTDPU_PSM_UPDATE_BOB(2), 248 GLTDPU_PSM_UPDATE_BOB(3), 249 GLTDPU_PSM_UPDATE_BOB(4), 250 GLTDPU_PSM_UPDATE_BOB(5), 251 GLTDPU_PSM_UPDATE_BOB(6), 252 GLTDPU_PSM_UPDATE_BOB(7), 253 GLTDPU_PSM_UPDATE_BOB(8), 254 #define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4)) 255 GLTCB_CMD_IN_BOB(1), 256 GLTCB_CMD_IN_BOB(2), 257 GLTCB_CMD_IN_BOB(3), 258 GLTCB_CMD_IN_BOB(4), 259 GLTCB_CMD_IN_BOB(5), 260 GLTCB_CMD_IN_BOB(6), 261 GLTCB_CMD_IN_BOB(7), 262 GLTCB_CMD_IN_BOB(8), 263 #define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4)) 264 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1), 265 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2), 266 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3), 267 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4), 268 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5), 269 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6), 270 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7), 271 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8), 272 #define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4)) 273 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1), 274 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2), 275 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3), 276 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4), 277 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5), 278 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6), 279 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7), 280 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8), 281 #define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4)) 282 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1), 283 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2), 284 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3), 285 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4), 286 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5), 287 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6), 288 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7), 289 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8), 290 #define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4)) 291 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1), 292 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2), 293 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3), 294 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4), 295 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5), 296 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6), 297 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7), 298 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8), 299 #define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4)) 300 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1), 301 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2), 302 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3), 303 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4), 304 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5), 305 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6), 306 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7), 307 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8), 308 #define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4)) 309 PRTDCB_TCUPM_REG_CM(0), 310 PRTDCB_TCUPM_REG_CM(1), 311 PRTDCB_TCUPM_REG_CM(2), 312 PRTDCB_TCUPM_REG_CM(3), 313 #define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4)) 314 PRTDCB_TCUPM_REG_DM(0), 315 PRTDCB_TCUPM_REG_DM(1), 316 PRTDCB_TCUPM_REG_DM(2), 317 PRTDCB_TCUPM_REG_DM(3), 318 #define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4)) 319 PRTDCB_TLPM_REG_DM(0), 320 PRTDCB_TLPM_REG_DM(1), 321 PRTDCB_TLPM_REG_DM(2), 322 PRTDCB_TLPM_REG_DM(3), 323 }; 324 325 struct ice_priv_flag { 326 char name[ETH_GSTRING_LEN]; 327 u32 bitno; /* bit position in pf->flags */ 328 }; 329 330 #define ICE_PRIV_FLAG(_name, _bitno) { \ 331 .name = _name, \ 332 .bitno = _bitno, \ 333 } 334 335 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 336 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 337 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 338 ICE_PRIV_FLAG("vf-true-promisc-support", 339 ICE_FLAG_VF_TRUE_PROMISC_ENA), 340 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 341 ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING), 342 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), 343 }; 344 345 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 346 347 static void 348 __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo, 349 struct ice_vsi *vsi) 350 { 351 struct ice_pf *pf = vsi->back; 352 struct ice_hw *hw = &pf->hw; 353 struct ice_orom_info *orom; 354 struct ice_nvm_info *nvm; 355 356 nvm = &hw->flash.nvm; 357 orom = &hw->flash.orom; 358 359 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 360 361 /* Display NVM version (from which the firmware version can be 362 * determined) which contains more pertinent information. 363 */ 364 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 365 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor, 366 nvm->eetrack, orom->major, orom->build, orom->patch); 367 368 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 369 sizeof(drvinfo->bus_info)); 370 } 371 372 static void 373 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 374 { 375 struct ice_netdev_priv *np = netdev_priv(netdev); 376 377 __ice_get_drvinfo(netdev, drvinfo, np->vsi); 378 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 379 } 380 381 static int ice_get_regs_len(struct net_device __always_unused *netdev) 382 { 383 return sizeof(ice_regs_dump_list); 384 } 385 386 static void 387 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 388 { 389 struct ice_netdev_priv *np = netdev_priv(netdev); 390 struct ice_pf *pf = np->vsi->back; 391 struct ice_hw *hw = &pf->hw; 392 u32 *regs_buf = (u32 *)p; 393 unsigned int i; 394 395 regs->version = 1; 396 397 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 398 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 399 } 400 401 static u32 ice_get_msglevel(struct net_device *netdev) 402 { 403 struct ice_netdev_priv *np = netdev_priv(netdev); 404 struct ice_pf *pf = np->vsi->back; 405 406 #ifndef CONFIG_DYNAMIC_DEBUG 407 if (pf->hw.debug_mask) 408 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 409 pf->hw.debug_mask); 410 #endif /* !CONFIG_DYNAMIC_DEBUG */ 411 412 return pf->msg_enable; 413 } 414 415 static void ice_set_msglevel(struct net_device *netdev, u32 data) 416 { 417 struct ice_netdev_priv *np = netdev_priv(netdev); 418 struct ice_pf *pf = np->vsi->back; 419 420 #ifndef CONFIG_DYNAMIC_DEBUG 421 if (ICE_DBG_USER & data) 422 pf->hw.debug_mask = data; 423 else 424 pf->msg_enable = data; 425 #else 426 pf->msg_enable = data; 427 #endif /* !CONFIG_DYNAMIC_DEBUG */ 428 } 429 430 static int ice_get_eeprom_len(struct net_device *netdev) 431 { 432 struct ice_netdev_priv *np = netdev_priv(netdev); 433 struct ice_pf *pf = np->vsi->back; 434 435 return (int)pf->hw.flash.flash_size; 436 } 437 438 static int 439 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 440 u8 *bytes) 441 { 442 struct ice_netdev_priv *np = netdev_priv(netdev); 443 struct ice_vsi *vsi = np->vsi; 444 struct ice_pf *pf = vsi->back; 445 struct ice_hw *hw = &pf->hw; 446 struct device *dev; 447 int ret; 448 u8 *buf; 449 450 dev = ice_pf_to_dev(pf); 451 452 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 453 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 454 eeprom->cmd, eeprom->offset, eeprom->len); 455 456 buf = kzalloc(eeprom->len, GFP_KERNEL); 457 if (!buf) 458 return -ENOMEM; 459 460 ret = ice_acquire_nvm(hw, ICE_RES_READ); 461 if (ret) { 462 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n", 463 ret, ice_aq_str(hw->adminq.sq_last_status)); 464 goto out; 465 } 466 467 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 468 false); 469 if (ret) { 470 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n", 471 ret, ice_aq_str(hw->adminq.sq_last_status)); 472 goto release; 473 } 474 475 memcpy(bytes, buf, eeprom->len); 476 release: 477 ice_release_nvm(hw); 478 out: 479 kfree(buf); 480 return ret; 481 } 482 483 /** 484 * ice_active_vfs - check if there are any active VFs 485 * @pf: board private structure 486 * 487 * Returns true if an active VF is found, otherwise returns false 488 */ 489 static bool ice_active_vfs(struct ice_pf *pf) 490 { 491 bool active = false; 492 struct ice_vf *vf; 493 unsigned int bkt; 494 495 rcu_read_lock(); 496 ice_for_each_vf_rcu(pf, bkt, vf) { 497 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 498 active = true; 499 break; 500 } 501 } 502 rcu_read_unlock(); 503 504 return active; 505 } 506 507 /** 508 * ice_link_test - perform a link test on a given net_device 509 * @netdev: network interface device structure 510 * 511 * This function performs one of the self-tests required by ethtool. 512 * Returns 0 on success, non-zero on failure. 513 */ 514 static u64 ice_link_test(struct net_device *netdev) 515 { 516 struct ice_netdev_priv *np = netdev_priv(netdev); 517 bool link_up = false; 518 int status; 519 520 netdev_info(netdev, "link test\n"); 521 status = ice_get_link_status(np->vsi->port_info, &link_up); 522 if (status) { 523 netdev_err(netdev, "link query error, status = %d\n", 524 status); 525 return 1; 526 } 527 528 if (!link_up) 529 return 2; 530 531 return 0; 532 } 533 534 /** 535 * ice_eeprom_test - perform an EEPROM test on a given net_device 536 * @netdev: network interface device structure 537 * 538 * This function performs one of the self-tests required by ethtool. 539 * Returns 0 on success, non-zero on failure. 540 */ 541 static u64 ice_eeprom_test(struct net_device *netdev) 542 { 543 struct ice_netdev_priv *np = netdev_priv(netdev); 544 struct ice_pf *pf = np->vsi->back; 545 546 netdev_info(netdev, "EEPROM test\n"); 547 return !!(ice_nvm_validate_checksum(&pf->hw)); 548 } 549 550 /** 551 * ice_reg_pattern_test 552 * @hw: pointer to the HW struct 553 * @reg: reg to be tested 554 * @mask: bits to be touched 555 */ 556 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 557 { 558 struct ice_pf *pf = (struct ice_pf *)hw->back; 559 struct device *dev = ice_pf_to_dev(pf); 560 static const u32 patterns[] = { 561 0x5A5A5A5A, 0xA5A5A5A5, 562 0x00000000, 0xFFFFFFFF 563 }; 564 u32 val, orig_val; 565 unsigned int i; 566 567 orig_val = rd32(hw, reg); 568 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 569 u32 pattern = patterns[i] & mask; 570 571 wr32(hw, reg, pattern); 572 val = rd32(hw, reg); 573 if (val == pattern) 574 continue; 575 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 576 , __func__, reg, pattern, val); 577 return 1; 578 } 579 580 wr32(hw, reg, orig_val); 581 val = rd32(hw, reg); 582 if (val != orig_val) { 583 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 584 , __func__, reg, orig_val, val); 585 return 1; 586 } 587 588 return 0; 589 } 590 591 /** 592 * ice_reg_test - perform a register test on a given net_device 593 * @netdev: network interface device structure 594 * 595 * This function performs one of the self-tests required by ethtool. 596 * Returns 0 on success, non-zero on failure. 597 */ 598 static u64 ice_reg_test(struct net_device *netdev) 599 { 600 struct ice_netdev_priv *np = netdev_priv(netdev); 601 struct ice_hw *hw = np->vsi->port_info->hw; 602 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 603 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 604 struct ice_diag_reg_test_info { 605 u32 address; 606 u32 mask; 607 u32 elem_num; 608 u32 elem_size; 609 } ice_reg_list[] = { 610 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 611 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 612 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 613 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 614 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 615 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 616 {GLINT_CTL, 0xffff0001, 1, 0} 617 }; 618 unsigned int i; 619 620 netdev_dbg(netdev, "Register test\n"); 621 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 622 u32 j; 623 624 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 625 u32 mask = ice_reg_list[i].mask; 626 u32 reg = ice_reg_list[i].address + 627 (j * ice_reg_list[i].elem_size); 628 629 /* bail on failure (non-zero return) */ 630 if (ice_reg_pattern_test(hw, reg, mask)) 631 return 1; 632 } 633 } 634 635 return 0; 636 } 637 638 /** 639 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 640 * @vsi: pointer to the VSI structure 641 * 642 * Function configures rings of a VSI for loopback test without 643 * enabling interrupts or informing the kernel about new queues. 644 * 645 * Returns 0 on success, negative on failure. 646 */ 647 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 648 { 649 int status; 650 651 status = ice_vsi_setup_tx_rings(vsi); 652 if (status) 653 goto err_setup_tx_ring; 654 655 status = ice_vsi_setup_rx_rings(vsi); 656 if (status) 657 goto err_setup_rx_ring; 658 659 status = ice_vsi_cfg_lan(vsi); 660 if (status) 661 goto err_setup_rx_ring; 662 663 status = ice_vsi_start_all_rx_rings(vsi); 664 if (status) 665 goto err_start_rx_ring; 666 667 return 0; 668 669 err_start_rx_ring: 670 ice_vsi_free_rx_rings(vsi); 671 err_setup_rx_ring: 672 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 673 err_setup_tx_ring: 674 ice_vsi_free_tx_rings(vsi); 675 676 return status; 677 } 678 679 /** 680 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 681 * @vsi: pointer to the VSI structure 682 * 683 * Function stops and frees VSI rings after a loopback test. 684 * Returns 0 on success, negative on failure. 685 */ 686 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 687 { 688 int status; 689 690 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 691 if (status) 692 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 693 vsi->vsi_num, status); 694 695 status = ice_vsi_stop_all_rx_rings(vsi); 696 if (status) 697 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 698 vsi->vsi_num, status); 699 700 ice_vsi_free_tx_rings(vsi); 701 ice_vsi_free_rx_rings(vsi); 702 703 return status; 704 } 705 706 /** 707 * ice_lbtest_create_frame - create test packet 708 * @pf: pointer to the PF structure 709 * @ret_data: allocated frame buffer 710 * @size: size of the packet data 711 * 712 * Function allocates a frame with a test pattern on specific offsets. 713 * Returns 0 on success, non-zero on failure. 714 */ 715 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 716 { 717 u8 *data; 718 719 if (!pf) 720 return -EINVAL; 721 722 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); 723 if (!data) 724 return -ENOMEM; 725 726 /* Since the ethernet test frame should always be at least 727 * 64 bytes long, fill some octets in the payload with test data. 728 */ 729 memset(data, 0xFF, size); 730 data[32] = 0xDE; 731 data[42] = 0xAD; 732 data[44] = 0xBE; 733 data[46] = 0xEF; 734 735 *ret_data = data; 736 737 return 0; 738 } 739 740 /** 741 * ice_lbtest_check_frame - verify received loopback frame 742 * @frame: pointer to the raw packet data 743 * 744 * Function verifies received test frame with a pattern. 745 * Returns true if frame matches the pattern, false otherwise. 746 */ 747 static bool ice_lbtest_check_frame(u8 *frame) 748 { 749 /* Validate bytes of a frame under offsets chosen earlier */ 750 if (frame[32] == 0xDE && 751 frame[42] == 0xAD && 752 frame[44] == 0xBE && 753 frame[46] == 0xEF && 754 frame[48] == 0xFF) 755 return true; 756 757 return false; 758 } 759 760 /** 761 * ice_diag_send - send test frames to the test ring 762 * @tx_ring: pointer to the transmit ring 763 * @data: pointer to the raw packet data 764 * @size: size of the packet to send 765 * 766 * Function sends loopback packets on a test Tx ring. 767 */ 768 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size) 769 { 770 struct ice_tx_desc *tx_desc; 771 struct ice_tx_buf *tx_buf; 772 dma_addr_t dma; 773 u64 td_cmd; 774 775 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 776 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 777 778 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 779 if (dma_mapping_error(tx_ring->dev, dma)) 780 return -EINVAL; 781 782 tx_desc->buf_addr = cpu_to_le64(dma); 783 784 /* These flags are required for a descriptor to be pushed out */ 785 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 786 tx_desc->cmd_type_offset_bsz = 787 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 788 (td_cmd << ICE_TXD_QW1_CMD_S) | 789 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 790 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 791 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 792 793 tx_buf->next_to_watch = tx_desc; 794 795 /* Force memory write to complete before letting h/w know 796 * there are new descriptors to fetch. 797 */ 798 wmb(); 799 800 tx_ring->next_to_use++; 801 if (tx_ring->next_to_use >= tx_ring->count) 802 tx_ring->next_to_use = 0; 803 804 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 805 806 /* Wait until the packets get transmitted to the receive queue. */ 807 usleep_range(1000, 2000); 808 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 809 810 return 0; 811 } 812 813 #define ICE_LB_FRAME_SIZE 64 814 /** 815 * ice_lbtest_receive_frames - receive and verify test frames 816 * @rx_ring: pointer to the receive ring 817 * 818 * Function receives loopback packets and verify their correctness. 819 * Returns number of received valid frames. 820 */ 821 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring) 822 { 823 struct ice_rx_buf *rx_buf; 824 int valid_frames, i; 825 u8 *received_buf; 826 827 valid_frames = 0; 828 829 for (i = 0; i < rx_ring->count; i++) { 830 union ice_32b_rx_flex_desc *rx_desc; 831 832 rx_desc = ICE_RX_DESC(rx_ring, i); 833 834 if (!(rx_desc->wb.status_error0 & 835 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) | 836 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S))))) 837 continue; 838 839 rx_buf = &rx_ring->rx_buf[i]; 840 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 841 842 if (ice_lbtest_check_frame(received_buf)) 843 valid_frames++; 844 } 845 846 return valid_frames; 847 } 848 849 /** 850 * ice_loopback_test - perform a loopback test on a given net_device 851 * @netdev: network interface device structure 852 * 853 * This function performs one of the self-tests required by ethtool. 854 * Returns 0 on success, non-zero on failure. 855 */ 856 static u64 ice_loopback_test(struct net_device *netdev) 857 { 858 struct ice_netdev_priv *np = netdev_priv(netdev); 859 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 860 struct ice_pf *pf = orig_vsi->back; 861 u8 broadcast[ETH_ALEN], ret = 0; 862 int num_frames, valid_frames; 863 struct ice_tx_ring *tx_ring; 864 struct ice_rx_ring *rx_ring; 865 struct device *dev; 866 u8 *tx_frame; 867 int i; 868 869 dev = ice_pf_to_dev(pf); 870 netdev_info(netdev, "loopback test\n"); 871 872 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 873 if (!test_vsi) { 874 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 875 return 1; 876 } 877 878 test_vsi->netdev = netdev; 879 tx_ring = test_vsi->tx_rings[0]; 880 rx_ring = test_vsi->rx_rings[0]; 881 882 if (ice_lbtest_prepare_rings(test_vsi)) { 883 ret = 2; 884 goto lbtest_vsi_close; 885 } 886 887 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 888 ret = 3; 889 goto lbtest_rings_dis; 890 } 891 892 /* Enable MAC loopback in firmware */ 893 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 894 ret = 4; 895 goto lbtest_mac_dis; 896 } 897 898 /* Test VSI needs to receive broadcast packets */ 899 eth_broadcast_addr(broadcast); 900 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 901 ret = 5; 902 goto lbtest_mac_dis; 903 } 904 905 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 906 ret = 7; 907 goto remove_mac_filters; 908 } 909 910 num_frames = min_t(int, tx_ring->count, 32); 911 for (i = 0; i < num_frames; i++) { 912 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 913 ret = 8; 914 goto lbtest_free_frame; 915 } 916 } 917 918 valid_frames = ice_lbtest_receive_frames(rx_ring); 919 if (!valid_frames) 920 ret = 9; 921 else if (valid_frames != num_frames) 922 ret = 10; 923 924 lbtest_free_frame: 925 devm_kfree(dev, tx_frame); 926 remove_mac_filters: 927 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 928 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 929 lbtest_mac_dis: 930 /* Disable MAC loopback after the test is completed. */ 931 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 932 netdev_err(netdev, "Could not disable MAC loopback\n"); 933 lbtest_rings_dis: 934 if (ice_lbtest_disable_rings(test_vsi)) 935 netdev_err(netdev, "Could not disable test rings\n"); 936 lbtest_vsi_close: 937 test_vsi->netdev = NULL; 938 if (ice_vsi_release(test_vsi)) 939 netdev_err(netdev, "Failed to remove the test VSI\n"); 940 941 return ret; 942 } 943 944 /** 945 * ice_intr_test - perform an interrupt test on a given net_device 946 * @netdev: network interface device structure 947 * 948 * This function performs one of the self-tests required by ethtool. 949 * Returns 0 on success, non-zero on failure. 950 */ 951 static u64 ice_intr_test(struct net_device *netdev) 952 { 953 struct ice_netdev_priv *np = netdev_priv(netdev); 954 struct ice_pf *pf = np->vsi->back; 955 u16 swic_old = pf->sw_int_count; 956 957 netdev_info(netdev, "interrupt test\n"); 958 959 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 960 GLINT_DYN_CTL_SW_ITR_INDX_M | 961 GLINT_DYN_CTL_INTENA_MSK_M | 962 GLINT_DYN_CTL_SWINT_TRIG_M); 963 964 usleep_range(1000, 2000); 965 return (swic_old == pf->sw_int_count); 966 } 967 968 /** 969 * ice_self_test - handler function for performing a self-test by ethtool 970 * @netdev: network interface device structure 971 * @eth_test: ethtool_test structure 972 * @data: required by ethtool.self_test 973 * 974 * This function is called after invoking 'ethtool -t devname' command where 975 * devname is the name of the network device on which ethtool should operate. 976 * It performs a set of self-tests to check if a device works properly. 977 */ 978 static void 979 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 980 u64 *data) 981 { 982 struct ice_netdev_priv *np = netdev_priv(netdev); 983 bool if_running = netif_running(netdev); 984 struct ice_pf *pf = np->vsi->back; 985 struct device *dev; 986 987 dev = ice_pf_to_dev(pf); 988 989 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 990 netdev_info(netdev, "offline testing starting\n"); 991 992 set_bit(ICE_TESTING, pf->state); 993 994 if (ice_active_vfs(pf)) { 995 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 996 data[ICE_ETH_TEST_REG] = 1; 997 data[ICE_ETH_TEST_EEPROM] = 1; 998 data[ICE_ETH_TEST_INTR] = 1; 999 data[ICE_ETH_TEST_LOOP] = 1; 1000 data[ICE_ETH_TEST_LINK] = 1; 1001 eth_test->flags |= ETH_TEST_FL_FAILED; 1002 clear_bit(ICE_TESTING, pf->state); 1003 goto skip_ol_tests; 1004 } 1005 /* If the device is online then take it offline */ 1006 if (if_running) 1007 /* indicate we're in test mode */ 1008 ice_stop(netdev); 1009 1010 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1011 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 1012 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 1013 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 1014 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 1015 1016 if (data[ICE_ETH_TEST_LINK] || 1017 data[ICE_ETH_TEST_EEPROM] || 1018 data[ICE_ETH_TEST_LOOP] || 1019 data[ICE_ETH_TEST_INTR] || 1020 data[ICE_ETH_TEST_REG]) 1021 eth_test->flags |= ETH_TEST_FL_FAILED; 1022 1023 clear_bit(ICE_TESTING, pf->state); 1024 1025 if (if_running) { 1026 int status = ice_open(netdev); 1027 1028 if (status) { 1029 dev_err(dev, "Could not open device %s, err %d\n", 1030 pf->int_name, status); 1031 } 1032 } 1033 } else { 1034 /* Online tests */ 1035 netdev_info(netdev, "online testing starting\n"); 1036 1037 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1038 if (data[ICE_ETH_TEST_LINK]) 1039 eth_test->flags |= ETH_TEST_FL_FAILED; 1040 1041 /* Offline only tests, not run in online; pass by default */ 1042 data[ICE_ETH_TEST_REG] = 0; 1043 data[ICE_ETH_TEST_EEPROM] = 0; 1044 data[ICE_ETH_TEST_INTR] = 0; 1045 data[ICE_ETH_TEST_LOOP] = 0; 1046 } 1047 1048 skip_ol_tests: 1049 netdev_info(netdev, "testing finished\n"); 1050 } 1051 1052 static void 1053 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data, 1054 struct ice_vsi *vsi) 1055 { 1056 unsigned int i; 1057 u8 *p = data; 1058 1059 switch (stringset) { 1060 case ETH_SS_STATS: 1061 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 1062 ethtool_sprintf(&p, 1063 ice_gstrings_vsi_stats[i].stat_string); 1064 1065 if (ice_is_port_repr_netdev(netdev)) 1066 return; 1067 1068 ice_for_each_alloc_txq(vsi, i) { 1069 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 1070 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 1071 } 1072 1073 ice_for_each_alloc_rxq(vsi, i) { 1074 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 1075 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 1076 } 1077 1078 if (vsi->type != ICE_VSI_PF) 1079 return; 1080 1081 for (i = 0; i < ICE_PF_STATS_LEN; i++) 1082 ethtool_sprintf(&p, 1083 ice_gstrings_pf_stats[i].stat_string); 1084 1085 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1086 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 1087 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 1088 } 1089 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1090 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 1091 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 1092 } 1093 break; 1094 case ETH_SS_TEST: 1095 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 1096 break; 1097 case ETH_SS_PRIV_FLAGS: 1098 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 1099 ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name); 1100 break; 1101 default: 1102 break; 1103 } 1104 } 1105 1106 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 1107 { 1108 struct ice_netdev_priv *np = netdev_priv(netdev); 1109 1110 __ice_get_strings(netdev, stringset, data, np->vsi); 1111 } 1112 1113 static int 1114 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 1115 { 1116 struct ice_netdev_priv *np = netdev_priv(netdev); 1117 bool led_active; 1118 1119 switch (state) { 1120 case ETHTOOL_ID_ACTIVE: 1121 led_active = true; 1122 break; 1123 case ETHTOOL_ID_INACTIVE: 1124 led_active = false; 1125 break; 1126 default: 1127 return -EINVAL; 1128 } 1129 1130 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 1131 return -EIO; 1132 1133 return 0; 1134 } 1135 1136 /** 1137 * ice_set_fec_cfg - Set link FEC options 1138 * @netdev: network interface device structure 1139 * @req_fec: FEC mode to configure 1140 */ 1141 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 1142 { 1143 struct ice_netdev_priv *np = netdev_priv(netdev); 1144 struct ice_aqc_set_phy_cfg_data config = { 0 }; 1145 struct ice_vsi *vsi = np->vsi; 1146 struct ice_port_info *pi; 1147 1148 pi = vsi->port_info; 1149 if (!pi) 1150 return -EOPNOTSUPP; 1151 1152 /* Changing the FEC parameters is not supported if not the PF VSI */ 1153 if (vsi->type != ICE_VSI_PF) { 1154 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 1155 return -EOPNOTSUPP; 1156 } 1157 1158 /* Proceed only if requesting different FEC mode */ 1159 if (pi->phy.curr_user_fec_req == req_fec) 1160 return 0; 1161 1162 /* Copy the current user PHY configuration. The current user PHY 1163 * configuration is initialized during probe from PHY capabilities 1164 * software mode, and updated on set PHY configuration. 1165 */ 1166 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 1167 1168 ice_cfg_phy_fec(pi, &config, req_fec); 1169 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1170 1171 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1172 return -EAGAIN; 1173 1174 /* Save requested FEC config */ 1175 pi->phy.curr_user_fec_req = req_fec; 1176 1177 return 0; 1178 } 1179 1180 /** 1181 * ice_set_fecparam - Set FEC link options 1182 * @netdev: network interface device structure 1183 * @fecparam: Ethtool structure to retrieve FEC parameters 1184 */ 1185 static int 1186 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1187 { 1188 struct ice_netdev_priv *np = netdev_priv(netdev); 1189 struct ice_vsi *vsi = np->vsi; 1190 enum ice_fec_mode fec; 1191 1192 switch (fecparam->fec) { 1193 case ETHTOOL_FEC_AUTO: 1194 fec = ICE_FEC_AUTO; 1195 break; 1196 case ETHTOOL_FEC_RS: 1197 fec = ICE_FEC_RS; 1198 break; 1199 case ETHTOOL_FEC_BASER: 1200 fec = ICE_FEC_BASER; 1201 break; 1202 case ETHTOOL_FEC_OFF: 1203 case ETHTOOL_FEC_NONE: 1204 fec = ICE_FEC_NONE; 1205 break; 1206 default: 1207 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1208 fecparam->fec); 1209 return -EINVAL; 1210 } 1211 1212 return ice_set_fec_cfg(netdev, fec); 1213 } 1214 1215 /** 1216 * ice_get_fecparam - Get link FEC options 1217 * @netdev: network interface device structure 1218 * @fecparam: Ethtool structure to retrieve FEC parameters 1219 */ 1220 static int 1221 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1222 { 1223 struct ice_netdev_priv *np = netdev_priv(netdev); 1224 struct ice_aqc_get_phy_caps_data *caps; 1225 struct ice_link_status *link_info; 1226 struct ice_vsi *vsi = np->vsi; 1227 struct ice_port_info *pi; 1228 int err; 1229 1230 pi = vsi->port_info; 1231 1232 if (!pi) 1233 return -EOPNOTSUPP; 1234 link_info = &pi->phy.link_info; 1235 1236 /* Set FEC mode based on negotiated link info */ 1237 switch (link_info->fec_info) { 1238 case ICE_AQ_LINK_25G_KR_FEC_EN: 1239 fecparam->active_fec = ETHTOOL_FEC_BASER; 1240 break; 1241 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1242 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1243 fecparam->active_fec = ETHTOOL_FEC_RS; 1244 break; 1245 default: 1246 fecparam->active_fec = ETHTOOL_FEC_OFF; 1247 break; 1248 } 1249 1250 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1251 if (!caps) 1252 return -ENOMEM; 1253 1254 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1255 caps, NULL); 1256 if (err) 1257 goto done; 1258 1259 /* Set supported/configured FEC modes based on PHY capability */ 1260 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1261 fecparam->fec |= ETHTOOL_FEC_AUTO; 1262 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1263 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1264 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1265 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1266 fecparam->fec |= ETHTOOL_FEC_BASER; 1267 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1268 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1269 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1270 fecparam->fec |= ETHTOOL_FEC_RS; 1271 if (caps->link_fec_options == 0) 1272 fecparam->fec |= ETHTOOL_FEC_OFF; 1273 1274 done: 1275 kfree(caps); 1276 return err; 1277 } 1278 1279 /** 1280 * ice_nway_reset - restart autonegotiation 1281 * @netdev: network interface device structure 1282 */ 1283 static int ice_nway_reset(struct net_device *netdev) 1284 { 1285 struct ice_netdev_priv *np = netdev_priv(netdev); 1286 struct ice_vsi *vsi = np->vsi; 1287 int err; 1288 1289 /* If VSI state is up, then restart autoneg with link up */ 1290 if (!test_bit(ICE_DOWN, vsi->back->state)) 1291 err = ice_set_link(vsi, true); 1292 else 1293 err = ice_set_link(vsi, false); 1294 1295 return err; 1296 } 1297 1298 /** 1299 * ice_get_priv_flags - report device private flags 1300 * @netdev: network interface device structure 1301 * 1302 * The get string set count and the string set should be matched for each 1303 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1304 * array. 1305 * 1306 * Returns a u32 bitmap of flags. 1307 */ 1308 static u32 ice_get_priv_flags(struct net_device *netdev) 1309 { 1310 struct ice_netdev_priv *np = netdev_priv(netdev); 1311 struct ice_vsi *vsi = np->vsi; 1312 struct ice_pf *pf = vsi->back; 1313 u32 i, ret_flags = 0; 1314 1315 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1316 const struct ice_priv_flag *priv_flag; 1317 1318 priv_flag = &ice_gstrings_priv_flags[i]; 1319 1320 if (test_bit(priv_flag->bitno, pf->flags)) 1321 ret_flags |= BIT(i); 1322 } 1323 1324 return ret_flags; 1325 } 1326 1327 /** 1328 * ice_set_priv_flags - set private flags 1329 * @netdev: network interface device structure 1330 * @flags: bit flags to be set 1331 */ 1332 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1333 { 1334 struct ice_netdev_priv *np = netdev_priv(netdev); 1335 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1336 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1337 struct ice_vsi *vsi = np->vsi; 1338 struct ice_pf *pf = vsi->back; 1339 struct device *dev; 1340 int ret = 0; 1341 u32 i; 1342 1343 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1344 return -EINVAL; 1345 1346 dev = ice_pf_to_dev(pf); 1347 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1348 1349 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1350 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1351 const struct ice_priv_flag *priv_flag; 1352 1353 priv_flag = &ice_gstrings_priv_flags[i]; 1354 1355 if (flags & BIT(i)) 1356 set_bit(priv_flag->bitno, pf->flags); 1357 else 1358 clear_bit(priv_flag->bitno, pf->flags); 1359 } 1360 1361 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1362 1363 /* Do not allow change to link-down-on-close when Total Port Shutdown 1364 * is enabled. 1365 */ 1366 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1367 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1368 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1369 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1370 ret = -EINVAL; 1371 goto ethtool_exit; 1372 } 1373 1374 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1375 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1376 int status; 1377 1378 /* Disable FW LLDP engine */ 1379 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1380 1381 /* If unregistering for LLDP events fails, this is 1382 * not an error state, as there shouldn't be any 1383 * events to respond to. 1384 */ 1385 if (status) 1386 dev_info(dev, "Failed to unreg for LLDP events\n"); 1387 1388 /* The AQ call to stop the FW LLDP agent will generate 1389 * an error if the agent is already stopped. 1390 */ 1391 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1392 if (status) 1393 dev_warn(dev, "Fail to stop LLDP agent\n"); 1394 /* Use case for having the FW LLDP agent stopped 1395 * will likely not need DCB, so failure to init is 1396 * not a concern of ethtool 1397 */ 1398 status = ice_init_pf_dcb(pf, true); 1399 if (status) 1400 dev_warn(dev, "Fail to init DCB\n"); 1401 1402 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1403 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1404 } else { 1405 bool dcbx_agent_status; 1406 int status; 1407 1408 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { 1409 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); 1410 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); 1411 ret = -EOPNOTSUPP; 1412 goto ethtool_exit; 1413 } 1414 1415 /* Remove rule to direct LLDP packets to default VSI. 1416 * The FW LLDP engine will now be consuming them. 1417 */ 1418 ice_cfg_sw_lldp(vsi, false, false); 1419 1420 /* AQ command to start FW LLDP agent will return an 1421 * error if the agent is already started 1422 */ 1423 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1424 if (status) 1425 dev_warn(dev, "Fail to start LLDP Agent\n"); 1426 1427 /* AQ command to start FW DCBX agent will fail if 1428 * the agent is already started 1429 */ 1430 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1431 &dcbx_agent_status, 1432 NULL); 1433 if (status) 1434 dev_dbg(dev, "Failed to start FW DCBX\n"); 1435 1436 dev_info(dev, "FW DCBX agent is %s\n", 1437 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1438 1439 /* Failure to configure MIB change or init DCB is not 1440 * relevant to ethtool. Print notification that 1441 * registration/init failed but do not return error 1442 * state to ethtool 1443 */ 1444 status = ice_init_pf_dcb(pf, true); 1445 if (status) 1446 dev_dbg(dev, "Fail to init DCB\n"); 1447 1448 /* Register for MIB change events */ 1449 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1450 if (status) 1451 dev_dbg(dev, "Fail to enable MIB change events\n"); 1452 1453 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1454 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1455 1456 ice_nway_reset(netdev); 1457 } 1458 } 1459 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1460 /* down and up VSI so that changes of Rx cfg are reflected. */ 1461 ice_down_up(vsi); 1462 } 1463 /* don't allow modification of this flag when a single VF is in 1464 * promiscuous mode because it's not supported 1465 */ 1466 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1467 ice_is_any_vf_in_unicast_promisc(pf)) { 1468 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1469 /* toggle bit back to previous state */ 1470 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1471 ret = -EAGAIN; 1472 } 1473 1474 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) && 1475 ice_has_vfs(pf)) { 1476 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n"); 1477 /* toggle bit back to previous state */ 1478 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags); 1479 ret = -EOPNOTSUPP; 1480 } 1481 ethtool_exit: 1482 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1483 return ret; 1484 } 1485 1486 static int ice_get_sset_count(struct net_device *netdev, int sset) 1487 { 1488 switch (sset) { 1489 case ETH_SS_STATS: 1490 /* The number (and order) of strings reported *must* remain 1491 * constant for a given netdevice. This function must not 1492 * report a different number based on run time parameters 1493 * (such as the number of queues in use, or the setting of 1494 * a private ethtool flag). This is due to the nature of the 1495 * ethtool stats API. 1496 * 1497 * Userspace programs such as ethtool must make 3 separate 1498 * ioctl requests, one for size, one for the strings, and 1499 * finally one for the stats. Since these cross into 1500 * userspace, changes to the number or size could result in 1501 * undefined memory access or incorrect string<->value 1502 * correlations for statistics. 1503 * 1504 * Even if it appears to be safe, changes to the size or 1505 * order of strings will suffer from race conditions and are 1506 * not safe. 1507 */ 1508 return ICE_ALL_STATS_LEN(netdev); 1509 case ETH_SS_TEST: 1510 return ICE_TEST_LEN; 1511 case ETH_SS_PRIV_FLAGS: 1512 return ICE_PRIV_FLAG_ARRAY_SIZE; 1513 default: 1514 return -EOPNOTSUPP; 1515 } 1516 } 1517 1518 static void 1519 __ice_get_ethtool_stats(struct net_device *netdev, 1520 struct ethtool_stats __always_unused *stats, u64 *data, 1521 struct ice_vsi *vsi) 1522 { 1523 struct ice_pf *pf = vsi->back; 1524 struct ice_tx_ring *tx_ring; 1525 struct ice_rx_ring *rx_ring; 1526 unsigned int j; 1527 int i = 0; 1528 char *p; 1529 1530 ice_update_pf_stats(pf); 1531 ice_update_vsi_stats(vsi); 1532 1533 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1534 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1535 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1536 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1537 } 1538 1539 if (ice_is_port_repr_netdev(netdev)) 1540 return; 1541 1542 /* populate per queue stats */ 1543 rcu_read_lock(); 1544 1545 ice_for_each_alloc_txq(vsi, j) { 1546 tx_ring = READ_ONCE(vsi->tx_rings[j]); 1547 if (tx_ring && tx_ring->ring_stats) { 1548 data[i++] = tx_ring->ring_stats->stats.pkts; 1549 data[i++] = tx_ring->ring_stats->stats.bytes; 1550 } else { 1551 data[i++] = 0; 1552 data[i++] = 0; 1553 } 1554 } 1555 1556 ice_for_each_alloc_rxq(vsi, j) { 1557 rx_ring = READ_ONCE(vsi->rx_rings[j]); 1558 if (rx_ring && rx_ring->ring_stats) { 1559 data[i++] = rx_ring->ring_stats->stats.pkts; 1560 data[i++] = rx_ring->ring_stats->stats.bytes; 1561 } else { 1562 data[i++] = 0; 1563 data[i++] = 0; 1564 } 1565 } 1566 1567 rcu_read_unlock(); 1568 1569 if (vsi->type != ICE_VSI_PF) 1570 return; 1571 1572 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1573 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1574 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1575 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1576 } 1577 1578 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1579 data[i++] = pf->stats.priority_xon_tx[j]; 1580 data[i++] = pf->stats.priority_xoff_tx[j]; 1581 } 1582 1583 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1584 data[i++] = pf->stats.priority_xon_rx[j]; 1585 data[i++] = pf->stats.priority_xoff_rx[j]; 1586 } 1587 } 1588 1589 static void 1590 ice_get_ethtool_stats(struct net_device *netdev, 1591 struct ethtool_stats __always_unused *stats, u64 *data) 1592 { 1593 struct ice_netdev_priv *np = netdev_priv(netdev); 1594 1595 __ice_get_ethtool_stats(netdev, stats, data, np->vsi); 1596 } 1597 1598 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1599 ICE_PHY_TYPE_LOW_100M_SGMII) 1600 1601 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1602 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1603 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1604 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1605 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1606 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1607 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1608 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1609 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1610 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1611 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1612 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1613 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1614 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1615 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1616 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1617 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1618 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1619 1620 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1621 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1622 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1623 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1624 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1625 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1626 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1627 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1628 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1629 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1630 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1631 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1632 ICE_PHY_TYPE_LOW_100GBASE_DR) 1633 1634 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1635 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1636 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1637 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1638 ICE_PHY_TYPE_HIGH_100G_AUI2) 1639 1640 /** 1641 * ice_mask_min_supported_speeds 1642 * @hw: pointer to the HW structure 1643 * @phy_types_high: PHY type high 1644 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1645 * 1646 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1647 * for ethtool supported link mode. 1648 */ 1649 static void 1650 ice_mask_min_supported_speeds(struct ice_hw *hw, 1651 u64 phy_types_high, u64 *phy_types_low) 1652 { 1653 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1654 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G || 1655 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) 1656 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1657 else if (!ice_is_100m_speed_supported(hw)) 1658 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1659 } 1660 1661 #define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \ 1662 do { \ 1663 if (req_speeds & (aq_link_speed) || \ 1664 (!req_speeds && \ 1665 (advert_phy_type_lo & phy_type_mask_lo || \ 1666 advert_phy_type_hi & phy_type_mask_hi))) \ 1667 ethtool_link_ksettings_add_link_mode(ks, advertising,\ 1668 ethtool_link_mode); \ 1669 } while (0) 1670 1671 /** 1672 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1673 * @netdev: network interface device structure 1674 * @ks: ethtool link ksettings struct to fill out 1675 */ 1676 static void 1677 ice_phy_type_to_ethtool(struct net_device *netdev, 1678 struct ethtool_link_ksettings *ks) 1679 { 1680 struct ice_netdev_priv *np = netdev_priv(netdev); 1681 struct ice_vsi *vsi = np->vsi; 1682 struct ice_pf *pf = vsi->back; 1683 u64 advert_phy_type_lo = 0; 1684 u64 advert_phy_type_hi = 0; 1685 u64 phy_type_mask_lo = 0; 1686 u64 phy_type_mask_hi = 0; 1687 u64 phy_types_high = 0; 1688 u64 phy_types_low = 0; 1689 u16 req_speeds; 1690 1691 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1692 1693 /* Check if lenient mode is supported and enabled, or in strict mode. 1694 * 1695 * In lenient mode the Supported link modes are the PHY types without 1696 * media. The Advertising link mode is either 1. the user requested 1697 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1698 * 1699 * In strict mode Supported link mode are the PHY type with media, 1700 * and Advertising link modes are the media PHY type or the speed 1701 * requested by user. 1702 */ 1703 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1704 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1705 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1706 1707 ice_mask_min_supported_speeds(&pf->hw, phy_types_high, 1708 &phy_types_low); 1709 /* determine advertised modes based on link override only 1710 * if it's supported and if the FW doesn't abstract the 1711 * driver from having to account for link overrides 1712 */ 1713 if (ice_fw_supports_link_override(&pf->hw) && 1714 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 1715 struct ice_link_default_override_tlv *ldo; 1716 1717 ldo = &pf->link_dflt_override; 1718 /* If override enabled and PHY mask set, then 1719 * Advertising link mode is the intersection of the PHY 1720 * types without media and the override PHY mask. 1721 */ 1722 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1723 (ldo->phy_type_low || ldo->phy_type_high)) { 1724 advert_phy_type_lo = 1725 le64_to_cpu(pf->nvm_phy_type_lo) & 1726 ldo->phy_type_low; 1727 advert_phy_type_hi = 1728 le64_to_cpu(pf->nvm_phy_type_hi) & 1729 ldo->phy_type_high; 1730 } 1731 } 1732 } else { 1733 /* strict mode */ 1734 phy_types_low = vsi->port_info->phy.phy_type_low; 1735 phy_types_high = vsi->port_info->phy.phy_type_high; 1736 } 1737 1738 /* If Advertising link mode PHY type is not using override PHY type, 1739 * then use PHY type with media. 1740 */ 1741 if (!advert_phy_type_lo && !advert_phy_type_hi) { 1742 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 1743 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 1744 } 1745 1746 ethtool_link_ksettings_zero_link_mode(ks, supported); 1747 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1748 1749 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX | 1750 ICE_PHY_TYPE_LOW_100M_SGMII; 1751 if (phy_types_low & phy_type_mask_lo) { 1752 ethtool_link_ksettings_add_link_mode(ks, supported, 1753 100baseT_Full); 1754 1755 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB, 1756 100baseT_Full); 1757 } 1758 1759 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T | 1760 ICE_PHY_TYPE_LOW_1G_SGMII; 1761 if (phy_types_low & phy_type_mask_lo) { 1762 ethtool_link_ksettings_add_link_mode(ks, supported, 1763 1000baseT_Full); 1764 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1765 1000baseT_Full); 1766 } 1767 1768 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX; 1769 if (phy_types_low & phy_type_mask_lo) { 1770 ethtool_link_ksettings_add_link_mode(ks, supported, 1771 1000baseKX_Full); 1772 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1773 1000baseKX_Full); 1774 } 1775 1776 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX | 1777 ICE_PHY_TYPE_LOW_1000BASE_LX; 1778 if (phy_types_low & phy_type_mask_lo) { 1779 ethtool_link_ksettings_add_link_mode(ks, supported, 1780 1000baseX_Full); 1781 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1782 1000baseX_Full); 1783 } 1784 1785 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T; 1786 if (phy_types_low & phy_type_mask_lo) { 1787 ethtool_link_ksettings_add_link_mode(ks, supported, 1788 2500baseT_Full); 1789 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1790 2500baseT_Full); 1791 } 1792 1793 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X | 1794 ICE_PHY_TYPE_LOW_2500BASE_KX; 1795 if (phy_types_low & phy_type_mask_lo) { 1796 ethtool_link_ksettings_add_link_mode(ks, supported, 1797 2500baseX_Full); 1798 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1799 2500baseX_Full); 1800 } 1801 1802 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T | 1803 ICE_PHY_TYPE_LOW_5GBASE_KR; 1804 if (phy_types_low & phy_type_mask_lo) { 1805 ethtool_link_ksettings_add_link_mode(ks, supported, 1806 5000baseT_Full); 1807 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB, 1808 5000baseT_Full); 1809 } 1810 1811 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T | 1812 ICE_PHY_TYPE_LOW_10G_SFI_DA | 1813 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | 1814 ICE_PHY_TYPE_LOW_10G_SFI_C2C; 1815 if (phy_types_low & phy_type_mask_lo) { 1816 ethtool_link_ksettings_add_link_mode(ks, supported, 1817 10000baseT_Full); 1818 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1819 10000baseT_Full); 1820 } 1821 1822 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1; 1823 if (phy_types_low & phy_type_mask_lo) { 1824 ethtool_link_ksettings_add_link_mode(ks, supported, 1825 10000baseKR_Full); 1826 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1827 10000baseKR_Full); 1828 } 1829 1830 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR; 1831 if (phy_types_low & phy_type_mask_lo) { 1832 ethtool_link_ksettings_add_link_mode(ks, supported, 1833 10000baseSR_Full); 1834 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1835 10000baseSR_Full); 1836 } 1837 1838 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR; 1839 if (phy_types_low & phy_type_mask_lo) { 1840 ethtool_link_ksettings_add_link_mode(ks, supported, 1841 10000baseLR_Full); 1842 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1843 10000baseLR_Full); 1844 } 1845 1846 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T | 1847 ICE_PHY_TYPE_LOW_25GBASE_CR | 1848 ICE_PHY_TYPE_LOW_25GBASE_CR_S | 1849 ICE_PHY_TYPE_LOW_25GBASE_CR1 | 1850 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC | 1851 ICE_PHY_TYPE_LOW_25G_AUI_C2C; 1852 if (phy_types_low & phy_type_mask_lo) { 1853 ethtool_link_ksettings_add_link_mode(ks, supported, 1854 25000baseCR_Full); 1855 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1856 25000baseCR_Full); 1857 } 1858 1859 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR | 1860 ICE_PHY_TYPE_LOW_25GBASE_LR; 1861 if (phy_types_low & phy_type_mask_lo) { 1862 ethtool_link_ksettings_add_link_mode(ks, supported, 1863 25000baseSR_Full); 1864 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1865 25000baseSR_Full); 1866 } 1867 1868 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR | 1869 ICE_PHY_TYPE_LOW_25GBASE_KR_S | 1870 ICE_PHY_TYPE_LOW_25GBASE_KR1; 1871 if (phy_types_low & phy_type_mask_lo) { 1872 ethtool_link_ksettings_add_link_mode(ks, supported, 1873 25000baseKR_Full); 1874 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1875 25000baseKR_Full); 1876 } 1877 1878 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4; 1879 if (phy_types_low & phy_type_mask_lo) { 1880 ethtool_link_ksettings_add_link_mode(ks, supported, 1881 40000baseKR4_Full); 1882 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1883 40000baseKR4_Full); 1884 } 1885 1886 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 | 1887 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC | 1888 ICE_PHY_TYPE_LOW_40G_XLAUI; 1889 if (phy_types_low & phy_type_mask_lo) { 1890 ethtool_link_ksettings_add_link_mode(ks, supported, 1891 40000baseCR4_Full); 1892 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1893 40000baseCR4_Full); 1894 } 1895 1896 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4; 1897 if (phy_types_low & phy_type_mask_lo) { 1898 ethtool_link_ksettings_add_link_mode(ks, supported, 1899 40000baseSR4_Full); 1900 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1901 40000baseSR4_Full); 1902 } 1903 1904 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4; 1905 if (phy_types_low & phy_type_mask_lo) { 1906 ethtool_link_ksettings_add_link_mode(ks, supported, 1907 40000baseLR4_Full); 1908 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1909 40000baseLR4_Full); 1910 } 1911 1912 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 | 1913 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC | 1914 ICE_PHY_TYPE_LOW_50G_LAUI2 | 1915 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC | 1916 ICE_PHY_TYPE_LOW_50G_AUI2 | 1917 ICE_PHY_TYPE_LOW_50GBASE_CP | 1918 ICE_PHY_TYPE_LOW_50GBASE_SR | 1919 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC | 1920 ICE_PHY_TYPE_LOW_50G_AUI1; 1921 if (phy_types_low & phy_type_mask_lo) { 1922 ethtool_link_ksettings_add_link_mode(ks, supported, 1923 50000baseCR2_Full); 1924 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1925 50000baseCR2_Full); 1926 } 1927 1928 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 | 1929 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4; 1930 if (phy_types_low & phy_type_mask_lo) { 1931 ethtool_link_ksettings_add_link_mode(ks, supported, 1932 50000baseKR2_Full); 1933 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1934 50000baseKR2_Full); 1935 } 1936 1937 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 | 1938 ICE_PHY_TYPE_LOW_50GBASE_LR2 | 1939 ICE_PHY_TYPE_LOW_50GBASE_FR | 1940 ICE_PHY_TYPE_LOW_50GBASE_LR; 1941 if (phy_types_low & phy_type_mask_lo) { 1942 ethtool_link_ksettings_add_link_mode(ks, supported, 1943 50000baseSR2_Full); 1944 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1945 50000baseSR2_Full); 1946 } 1947 1948 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 | 1949 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | 1950 ICE_PHY_TYPE_LOW_100G_CAUI4 | 1951 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | 1952 ICE_PHY_TYPE_LOW_100G_AUI4 | 1953 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4; 1954 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC | 1955 ICE_PHY_TYPE_HIGH_100G_CAUI2 | 1956 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | 1957 ICE_PHY_TYPE_HIGH_100G_AUI2; 1958 if (phy_types_low & phy_type_mask_lo || 1959 phy_types_high & phy_type_mask_hi) { 1960 ethtool_link_ksettings_add_link_mode(ks, supported, 1961 100000baseCR4_Full); 1962 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1963 100000baseCR4_Full); 1964 } 1965 1966 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) { 1967 ethtool_link_ksettings_add_link_mode(ks, supported, 1968 100000baseCR2_Full); 1969 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1970 100000baseCR2_Full); 1971 } 1972 1973 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR4) { 1974 ethtool_link_ksettings_add_link_mode(ks, supported, 1975 100000baseSR4_Full); 1976 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1977 100000baseSR4_Full); 1978 } 1979 1980 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR2) { 1981 ethtool_link_ksettings_add_link_mode(ks, supported, 1982 100000baseSR2_Full); 1983 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1984 100000baseSR2_Full); 1985 } 1986 1987 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 | 1988 ICE_PHY_TYPE_LOW_100GBASE_DR; 1989 if (phy_types_low & phy_type_mask_lo) { 1990 ethtool_link_ksettings_add_link_mode(ks, supported, 1991 100000baseLR4_ER4_Full); 1992 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1993 100000baseLR4_ER4_Full); 1994 } 1995 1996 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 | 1997 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4; 1998 if (phy_types_low & phy_type_mask_lo) { 1999 ethtool_link_ksettings_add_link_mode(ks, supported, 2000 100000baseKR4_Full); 2001 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 2002 100000baseKR4_Full); 2003 } 2004 2005 if (phy_types_high & ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4) { 2006 ethtool_link_ksettings_add_link_mode(ks, supported, 2007 100000baseKR2_Full); 2008 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 2009 100000baseKR2_Full); 2010 } 2011 2012 } 2013 2014 #define TEST_SET_BITS_TIMEOUT 50 2015 #define TEST_SET_BITS_SLEEP_MAX 2000 2016 #define TEST_SET_BITS_SLEEP_MIN 1000 2017 2018 /** 2019 * ice_get_settings_link_up - Get Link settings for when link is up 2020 * @ks: ethtool ksettings to fill in 2021 * @netdev: network interface device structure 2022 */ 2023 static void 2024 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 2025 struct net_device *netdev) 2026 { 2027 struct ice_netdev_priv *np = netdev_priv(netdev); 2028 struct ice_port_info *pi = np->vsi->port_info; 2029 struct ice_link_status *link_info; 2030 struct ice_vsi *vsi = np->vsi; 2031 2032 link_info = &vsi->port_info->phy.link_info; 2033 2034 /* Get supported and advertised settings from PHY ability with media */ 2035 ice_phy_type_to_ethtool(netdev, ks); 2036 2037 switch (link_info->link_speed) { 2038 case ICE_AQ_LINK_SPEED_100GB: 2039 ks->base.speed = SPEED_100000; 2040 break; 2041 case ICE_AQ_LINK_SPEED_50GB: 2042 ks->base.speed = SPEED_50000; 2043 break; 2044 case ICE_AQ_LINK_SPEED_40GB: 2045 ks->base.speed = SPEED_40000; 2046 break; 2047 case ICE_AQ_LINK_SPEED_25GB: 2048 ks->base.speed = SPEED_25000; 2049 break; 2050 case ICE_AQ_LINK_SPEED_20GB: 2051 ks->base.speed = SPEED_20000; 2052 break; 2053 case ICE_AQ_LINK_SPEED_10GB: 2054 ks->base.speed = SPEED_10000; 2055 break; 2056 case ICE_AQ_LINK_SPEED_5GB: 2057 ks->base.speed = SPEED_5000; 2058 break; 2059 case ICE_AQ_LINK_SPEED_2500MB: 2060 ks->base.speed = SPEED_2500; 2061 break; 2062 case ICE_AQ_LINK_SPEED_1000MB: 2063 ks->base.speed = SPEED_1000; 2064 break; 2065 case ICE_AQ_LINK_SPEED_100MB: 2066 ks->base.speed = SPEED_100; 2067 break; 2068 default: 2069 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 2070 link_info->link_speed); 2071 break; 2072 } 2073 ks->base.duplex = DUPLEX_FULL; 2074 2075 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 2076 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2077 Autoneg); 2078 2079 /* Set flow control negotiated Rx/Tx pause */ 2080 switch (pi->fc.current_mode) { 2081 case ICE_FC_FULL: 2082 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2083 break; 2084 case ICE_FC_TX_PAUSE: 2085 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2086 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2087 Asym_Pause); 2088 break; 2089 case ICE_FC_RX_PAUSE: 2090 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2091 Asym_Pause); 2092 break; 2093 case ICE_FC_PFC: 2094 default: 2095 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 2096 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 2097 Asym_Pause); 2098 break; 2099 } 2100 } 2101 2102 /** 2103 * ice_get_settings_link_down - Get the Link settings when link is down 2104 * @ks: ethtool ksettings to fill in 2105 * @netdev: network interface device structure 2106 * 2107 * Reports link settings that can be determined when link is down 2108 */ 2109 static void 2110 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 2111 struct net_device *netdev) 2112 { 2113 /* link is down and the driver needs to fall back on 2114 * supported PHY types to figure out what info to display 2115 */ 2116 ice_phy_type_to_ethtool(netdev, ks); 2117 2118 /* With no link, speed and duplex are unknown */ 2119 ks->base.speed = SPEED_UNKNOWN; 2120 ks->base.duplex = DUPLEX_UNKNOWN; 2121 } 2122 2123 /** 2124 * ice_get_link_ksettings - Get Link Speed and Duplex settings 2125 * @netdev: network interface device structure 2126 * @ks: ethtool ksettings 2127 * 2128 * Reports speed/duplex settings based on media_type 2129 */ 2130 static int 2131 ice_get_link_ksettings(struct net_device *netdev, 2132 struct ethtool_link_ksettings *ks) 2133 { 2134 struct ice_netdev_priv *np = netdev_priv(netdev); 2135 struct ice_aqc_get_phy_caps_data *caps; 2136 struct ice_link_status *hw_link_info; 2137 struct ice_vsi *vsi = np->vsi; 2138 int err; 2139 2140 ethtool_link_ksettings_zero_link_mode(ks, supported); 2141 ethtool_link_ksettings_zero_link_mode(ks, advertising); 2142 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 2143 hw_link_info = &vsi->port_info->phy.link_info; 2144 2145 /* set speed and duplex */ 2146 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 2147 ice_get_settings_link_up(ks, netdev); 2148 else 2149 ice_get_settings_link_down(ks, netdev); 2150 2151 /* set autoneg settings */ 2152 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 2153 AUTONEG_ENABLE : AUTONEG_DISABLE; 2154 2155 /* set media type settings */ 2156 switch (vsi->port_info->phy.media_type) { 2157 case ICE_MEDIA_FIBER: 2158 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2159 ks->base.port = PORT_FIBRE; 2160 break; 2161 case ICE_MEDIA_BASET: 2162 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 2163 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 2164 ks->base.port = PORT_TP; 2165 break; 2166 case ICE_MEDIA_BACKPLANE: 2167 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 2168 ethtool_link_ksettings_add_link_mode(ks, advertising, 2169 Backplane); 2170 ks->base.port = PORT_NONE; 2171 break; 2172 case ICE_MEDIA_DA: 2173 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2174 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 2175 ks->base.port = PORT_DA; 2176 break; 2177 default: 2178 ks->base.port = PORT_OTHER; 2179 break; 2180 } 2181 2182 /* flow control is symmetric and always supported */ 2183 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2184 2185 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 2186 if (!caps) 2187 return -ENOMEM; 2188 2189 err = ice_aq_get_phy_caps(vsi->port_info, false, 2190 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 2191 if (err) 2192 goto done; 2193 2194 /* Set the advertised flow control based on the PHY capability */ 2195 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2196 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2197 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2198 ethtool_link_ksettings_add_link_mode(ks, advertising, 2199 Asym_Pause); 2200 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2201 ethtool_link_ksettings_add_link_mode(ks, advertising, 2202 Asym_Pause); 2203 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2204 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2205 ethtool_link_ksettings_add_link_mode(ks, advertising, 2206 Asym_Pause); 2207 } else { 2208 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2209 ethtool_link_ksettings_del_link_mode(ks, advertising, 2210 Asym_Pause); 2211 } 2212 2213 /* Set advertised FEC modes based on PHY capability */ 2214 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2215 2216 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2217 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2218 ethtool_link_ksettings_add_link_mode(ks, advertising, 2219 FEC_BASER); 2220 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2221 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2222 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2223 2224 err = ice_aq_get_phy_caps(vsi->port_info, false, 2225 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 2226 if (err) 2227 goto done; 2228 2229 /* Set supported FEC modes based on PHY capability */ 2230 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2231 2232 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2233 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2234 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2235 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2236 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2237 2238 /* Set supported and advertised autoneg */ 2239 if (ice_is_phy_caps_an_enabled(caps)) { 2240 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2241 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2242 } 2243 2244 done: 2245 kfree(caps); 2246 return err; 2247 } 2248 2249 /** 2250 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2251 * @ks: ethtool ksettings 2252 */ 2253 static u16 2254 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2255 { 2256 u16 adv_link_speed = 0; 2257 2258 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2259 100baseT_Full)) 2260 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2261 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2262 1000baseX_Full) || 2263 ethtool_link_ksettings_test_link_mode(ks, advertising, 2264 1000baseT_Full) || 2265 ethtool_link_ksettings_test_link_mode(ks, advertising, 2266 1000baseKX_Full)) 2267 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2268 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2269 2500baseT_Full) || 2270 ethtool_link_ksettings_test_link_mode(ks, advertising, 2271 2500baseX_Full)) 2272 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2273 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2274 5000baseT_Full)) 2275 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2276 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2277 10000baseT_Full) || 2278 ethtool_link_ksettings_test_link_mode(ks, advertising, 2279 10000baseKR_Full) || 2280 ethtool_link_ksettings_test_link_mode(ks, advertising, 2281 10000baseSR_Full) || 2282 ethtool_link_ksettings_test_link_mode(ks, advertising, 2283 10000baseLR_Full)) 2284 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2285 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2286 25000baseCR_Full) || 2287 ethtool_link_ksettings_test_link_mode(ks, advertising, 2288 25000baseSR_Full) || 2289 ethtool_link_ksettings_test_link_mode(ks, advertising, 2290 25000baseKR_Full)) 2291 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2292 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2293 40000baseCR4_Full) || 2294 ethtool_link_ksettings_test_link_mode(ks, advertising, 2295 40000baseSR4_Full) || 2296 ethtool_link_ksettings_test_link_mode(ks, advertising, 2297 40000baseLR4_Full) || 2298 ethtool_link_ksettings_test_link_mode(ks, advertising, 2299 40000baseKR4_Full)) 2300 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2301 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2302 50000baseCR2_Full) || 2303 ethtool_link_ksettings_test_link_mode(ks, advertising, 2304 50000baseKR2_Full) || 2305 ethtool_link_ksettings_test_link_mode(ks, advertising, 2306 50000baseSR2_Full)) 2307 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2308 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2309 100000baseCR4_Full) || 2310 ethtool_link_ksettings_test_link_mode(ks, advertising, 2311 100000baseSR4_Full) || 2312 ethtool_link_ksettings_test_link_mode(ks, advertising, 2313 100000baseLR4_ER4_Full) || 2314 ethtool_link_ksettings_test_link_mode(ks, advertising, 2315 100000baseKR4_Full) || 2316 ethtool_link_ksettings_test_link_mode(ks, advertising, 2317 100000baseCR2_Full) || 2318 ethtool_link_ksettings_test_link_mode(ks, advertising, 2319 100000baseSR2_Full) || 2320 ethtool_link_ksettings_test_link_mode(ks, advertising, 2321 100000baseKR2_Full)) 2322 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2323 2324 return adv_link_speed; 2325 } 2326 2327 /** 2328 * ice_setup_autoneg 2329 * @p: port info 2330 * @ks: ethtool_link_ksettings 2331 * @config: configuration that will be sent down to FW 2332 * @autoneg_enabled: autonegotiation is enabled or not 2333 * @autoneg_changed: will there a change in autonegotiation 2334 * @netdev: network interface device structure 2335 * 2336 * Setup PHY autonegotiation feature 2337 */ 2338 static int 2339 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2340 struct ice_aqc_set_phy_cfg_data *config, 2341 u8 autoneg_enabled, u8 *autoneg_changed, 2342 struct net_device *netdev) 2343 { 2344 int err = 0; 2345 2346 *autoneg_changed = 0; 2347 2348 /* Check autoneg */ 2349 if (autoneg_enabled == AUTONEG_ENABLE) { 2350 /* If autoneg was not already enabled */ 2351 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2352 /* If autoneg is not supported, return error */ 2353 if (!ethtool_link_ksettings_test_link_mode(ks, 2354 supported, 2355 Autoneg)) { 2356 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2357 err = -EINVAL; 2358 } else { 2359 /* Autoneg is allowed to change */ 2360 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2361 *autoneg_changed = 1; 2362 } 2363 } 2364 } else { 2365 /* If autoneg is currently enabled */ 2366 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2367 /* If autoneg is supported 10GBASE_T is the only PHY 2368 * that can disable it, so otherwise return error 2369 */ 2370 if (ethtool_link_ksettings_test_link_mode(ks, 2371 supported, 2372 Autoneg)) { 2373 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2374 err = -EINVAL; 2375 } else { 2376 /* Autoneg is allowed to change */ 2377 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2378 *autoneg_changed = 1; 2379 } 2380 } 2381 } 2382 2383 return err; 2384 } 2385 2386 /** 2387 * ice_set_phy_type_from_speed - set phy_types based on speeds 2388 * and advertised modes 2389 * @ks: ethtool link ksettings struct 2390 * @phy_type_low: pointer to the lower part of phy_type 2391 * @phy_type_high: pointer to the higher part of phy_type 2392 * @adv_link_speed: targeted link speeds bitmap 2393 */ 2394 static void 2395 ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks, 2396 u64 *phy_type_low, u64 *phy_type_high, 2397 u16 adv_link_speed) 2398 { 2399 /* Handle 1000M speed in a special way because ice_update_phy_type 2400 * enables all link modes, but having mixed copper and optical 2401 * standards is not supported. 2402 */ 2403 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB; 2404 2405 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2406 1000baseT_Full)) 2407 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T | 2408 ICE_PHY_TYPE_LOW_1G_SGMII; 2409 2410 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2411 1000baseKX_Full)) 2412 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX; 2413 2414 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2415 1000baseX_Full)) 2416 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX | 2417 ICE_PHY_TYPE_LOW_1000BASE_LX; 2418 2419 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed); 2420 } 2421 2422 /** 2423 * ice_set_link_ksettings - Set Speed and Duplex 2424 * @netdev: network interface device structure 2425 * @ks: ethtool ksettings 2426 * 2427 * Set speed/duplex per media_types advertised/forced 2428 */ 2429 static int 2430 ice_set_link_ksettings(struct net_device *netdev, 2431 const struct ethtool_link_ksettings *ks) 2432 { 2433 struct ice_netdev_priv *np = netdev_priv(netdev); 2434 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2435 struct ethtool_link_ksettings copy_ks = *ks; 2436 struct ethtool_link_ksettings safe_ks = {}; 2437 struct ice_aqc_get_phy_caps_data *phy_caps; 2438 struct ice_aqc_set_phy_cfg_data config; 2439 u16 adv_link_speed, curr_link_speed; 2440 struct ice_pf *pf = np->vsi->back; 2441 struct ice_port_info *pi; 2442 u8 autoneg_changed = 0; 2443 u64 phy_type_high = 0; 2444 u64 phy_type_low = 0; 2445 bool linkup; 2446 int err; 2447 2448 pi = np->vsi->port_info; 2449 2450 if (!pi) 2451 return -EIO; 2452 2453 if (pi->phy.media_type != ICE_MEDIA_BASET && 2454 pi->phy.media_type != ICE_MEDIA_FIBER && 2455 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2456 pi->phy.media_type != ICE_MEDIA_DA && 2457 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2458 return -EOPNOTSUPP; 2459 2460 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2461 if (!phy_caps) 2462 return -ENOMEM; 2463 2464 /* Get the PHY capabilities based on media */ 2465 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2466 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2467 phy_caps, NULL); 2468 else 2469 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2470 phy_caps, NULL); 2471 if (err) 2472 goto done; 2473 2474 /* save autoneg out of ksettings */ 2475 autoneg = copy_ks.base.autoneg; 2476 2477 /* Get link modes supported by hardware.*/ 2478 ice_phy_type_to_ethtool(netdev, &safe_ks); 2479 2480 /* and check against modes requested by user. 2481 * Return an error if unsupported mode was set. 2482 */ 2483 if (!bitmap_subset(copy_ks.link_modes.advertising, 2484 safe_ks.link_modes.supported, 2485 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2486 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2487 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"); 2488 err = -EOPNOTSUPP; 2489 goto done; 2490 } 2491 2492 /* get our own copy of the bits to check against */ 2493 memset(&safe_ks, 0, sizeof(safe_ks)); 2494 safe_ks.base.cmd = copy_ks.base.cmd; 2495 safe_ks.base.link_mode_masks_nwords = 2496 copy_ks.base.link_mode_masks_nwords; 2497 ice_get_link_ksettings(netdev, &safe_ks); 2498 2499 /* set autoneg back to what it currently is */ 2500 copy_ks.base.autoneg = safe_ks.base.autoneg; 2501 /* we don't compare the speed */ 2502 copy_ks.base.speed = safe_ks.base.speed; 2503 2504 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2505 * trying to set something that we do not support. 2506 */ 2507 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2508 err = -EOPNOTSUPP; 2509 goto done; 2510 } 2511 2512 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2513 timeout--; 2514 if (!timeout) { 2515 err = -EBUSY; 2516 goto done; 2517 } 2518 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2519 } 2520 2521 /* Copy the current user PHY configuration. The current user PHY 2522 * configuration is initialized during probe from PHY capabilities 2523 * software mode, and updated on set PHY configuration. 2524 */ 2525 config = pi->phy.curr_user_phy_cfg; 2526 2527 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2528 2529 /* Check autoneg */ 2530 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2531 netdev); 2532 2533 if (err) 2534 goto done; 2535 2536 /* Call to get the current link speed */ 2537 pi->phy.get_link_info = true; 2538 err = ice_get_link_status(pi, &linkup); 2539 if (err) 2540 goto done; 2541 2542 curr_link_speed = pi->phy.curr_user_speed_req; 2543 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2544 2545 /* If speed didn't get set, set it to what it currently is. 2546 * This is needed because if advertise is 0 (as it is when autoneg 2547 * is disabled) then speed won't get set. 2548 */ 2549 if (!adv_link_speed) 2550 adv_link_speed = curr_link_speed; 2551 2552 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2553 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high, 2554 adv_link_speed); 2555 2556 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2557 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2558 goto done; 2559 } 2560 2561 /* save the requested speeds */ 2562 pi->phy.link_info.req_speeds = adv_link_speed; 2563 2564 /* set link and auto negotiation so changes take effect */ 2565 config.caps |= ICE_AQ_PHY_ENA_LINK; 2566 2567 /* check if there is a PHY type for the requested advertised speed */ 2568 if (!(phy_type_low || phy_type_high)) { 2569 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"); 2570 err = -EOPNOTSUPP; 2571 goto done; 2572 } 2573 2574 /* intersect requested advertised speed PHY types with media PHY types 2575 * for set PHY configuration 2576 */ 2577 config.phy_type_high = cpu_to_le64(phy_type_high) & 2578 phy_caps->phy_type_high; 2579 config.phy_type_low = cpu_to_le64(phy_type_low) & 2580 phy_caps->phy_type_low; 2581 2582 if (!(config.phy_type_high || config.phy_type_low)) { 2583 /* If there is no intersection and lenient mode is enabled, then 2584 * intersect the requested advertised speed with NVM media type 2585 * PHY types. 2586 */ 2587 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2588 config.phy_type_high = cpu_to_le64(phy_type_high) & 2589 pf->nvm_phy_type_hi; 2590 config.phy_type_low = cpu_to_le64(phy_type_low) & 2591 pf->nvm_phy_type_lo; 2592 } else { 2593 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"); 2594 err = -EOPNOTSUPP; 2595 goto done; 2596 } 2597 } 2598 2599 /* If link is up put link down */ 2600 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2601 /* Tell the OS link is going down, the link will go 2602 * back up when fw says it is ready asynchronously 2603 */ 2604 ice_print_link_msg(np->vsi, false); 2605 netif_carrier_off(netdev); 2606 netif_tx_stop_all_queues(netdev); 2607 } 2608 2609 /* make the aq call */ 2610 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2611 if (err) { 2612 netdev_info(netdev, "Set phy config failed,\n"); 2613 goto done; 2614 } 2615 2616 /* Save speed request */ 2617 pi->phy.curr_user_speed_req = adv_link_speed; 2618 done: 2619 kfree(phy_caps); 2620 clear_bit(ICE_CFG_BUSY, pf->state); 2621 2622 return err; 2623 } 2624 2625 /** 2626 * ice_parse_hdrs - parses headers from RSS hash input 2627 * @nfc: ethtool rxnfc command 2628 * 2629 * This function parses the rxnfc command and returns intended 2630 * header types for RSS configuration 2631 */ 2632 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2633 { 2634 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2635 2636 switch (nfc->flow_type) { 2637 case TCP_V4_FLOW: 2638 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2639 break; 2640 case UDP_V4_FLOW: 2641 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2642 break; 2643 case SCTP_V4_FLOW: 2644 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2645 break; 2646 case TCP_V6_FLOW: 2647 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2648 break; 2649 case UDP_V6_FLOW: 2650 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2651 break; 2652 case SCTP_V6_FLOW: 2653 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2654 break; 2655 default: 2656 break; 2657 } 2658 return hdrs; 2659 } 2660 2661 #define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) 2662 #define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) 2663 #define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) 2664 #define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) 2665 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) 2666 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) 2667 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) 2668 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) 2669 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ 2670 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) 2671 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ 2672 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) 2673 2674 /** 2675 * ice_parse_hash_flds - parses hash fields from RSS hash input 2676 * @nfc: ethtool rxnfc command 2677 * 2678 * This function parses the rxnfc command and returns intended 2679 * hash fields for RSS configuration 2680 */ 2681 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) 2682 { 2683 u64 hfld = ICE_HASH_INVALID; 2684 2685 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2686 switch (nfc->flow_type) { 2687 case TCP_V4_FLOW: 2688 case UDP_V4_FLOW: 2689 case SCTP_V4_FLOW: 2690 if (nfc->data & RXH_IP_SRC) 2691 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2692 if (nfc->data & RXH_IP_DST) 2693 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2694 break; 2695 case TCP_V6_FLOW: 2696 case UDP_V6_FLOW: 2697 case SCTP_V6_FLOW: 2698 if (nfc->data & RXH_IP_SRC) 2699 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2700 if (nfc->data & RXH_IP_DST) 2701 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2702 break; 2703 default: 2704 break; 2705 } 2706 } 2707 2708 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2709 switch (nfc->flow_type) { 2710 case TCP_V4_FLOW: 2711 case TCP_V6_FLOW: 2712 if (nfc->data & RXH_L4_B_0_1) 2713 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2714 if (nfc->data & RXH_L4_B_2_3) 2715 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2716 break; 2717 case UDP_V4_FLOW: 2718 case UDP_V6_FLOW: 2719 if (nfc->data & RXH_L4_B_0_1) 2720 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2721 if (nfc->data & RXH_L4_B_2_3) 2722 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2723 break; 2724 case SCTP_V4_FLOW: 2725 case SCTP_V6_FLOW: 2726 if (nfc->data & RXH_L4_B_0_1) 2727 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2728 if (nfc->data & RXH_L4_B_2_3) 2729 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2730 break; 2731 default: 2732 break; 2733 } 2734 } 2735 2736 return hfld; 2737 } 2738 2739 /** 2740 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2741 * @vsi: the VSI being configured 2742 * @nfc: ethtool rxnfc command 2743 * 2744 * Returns Success if the flow input set is supported. 2745 */ 2746 static int 2747 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2748 { 2749 struct ice_pf *pf = vsi->back; 2750 struct device *dev; 2751 u64 hashed_flds; 2752 int status; 2753 u32 hdrs; 2754 2755 dev = ice_pf_to_dev(pf); 2756 if (ice_is_safe_mode(pf)) { 2757 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2758 vsi->vsi_num); 2759 return -EINVAL; 2760 } 2761 2762 hashed_flds = ice_parse_hash_flds(nfc); 2763 if (hashed_flds == ICE_HASH_INVALID) { 2764 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2765 vsi->vsi_num); 2766 return -EINVAL; 2767 } 2768 2769 hdrs = ice_parse_hdrs(nfc); 2770 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2771 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2772 vsi->vsi_num); 2773 return -EINVAL; 2774 } 2775 2776 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); 2777 if (status) { 2778 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n", 2779 vsi->vsi_num, status); 2780 return status; 2781 } 2782 2783 return 0; 2784 } 2785 2786 /** 2787 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2788 * @vsi: the VSI being configured 2789 * @nfc: ethtool rxnfc command 2790 */ 2791 static void 2792 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2793 { 2794 struct ice_pf *pf = vsi->back; 2795 struct device *dev; 2796 u64 hash_flds; 2797 u32 hdrs; 2798 2799 dev = ice_pf_to_dev(pf); 2800 2801 nfc->data = 0; 2802 if (ice_is_safe_mode(pf)) { 2803 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2804 vsi->vsi_num); 2805 return; 2806 } 2807 2808 hdrs = ice_parse_hdrs(nfc); 2809 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2810 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2811 vsi->vsi_num); 2812 return; 2813 } 2814 2815 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); 2816 if (hash_flds == ICE_HASH_INVALID) { 2817 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2818 vsi->vsi_num); 2819 return; 2820 } 2821 2822 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2823 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2824 nfc->data |= (u64)RXH_IP_SRC; 2825 2826 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2827 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2828 nfc->data |= (u64)RXH_IP_DST; 2829 2830 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2831 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2832 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2833 nfc->data |= (u64)RXH_L4_B_0_1; 2834 2835 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2836 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2837 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2838 nfc->data |= (u64)RXH_L4_B_2_3; 2839 } 2840 2841 /** 2842 * ice_set_rxnfc - command to set Rx flow rules. 2843 * @netdev: network interface device structure 2844 * @cmd: ethtool rxnfc command 2845 * 2846 * Returns 0 for success and negative values for errors 2847 */ 2848 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2849 { 2850 struct ice_netdev_priv *np = netdev_priv(netdev); 2851 struct ice_vsi *vsi = np->vsi; 2852 2853 switch (cmd->cmd) { 2854 case ETHTOOL_SRXCLSRLINS: 2855 return ice_add_fdir_ethtool(vsi, cmd); 2856 case ETHTOOL_SRXCLSRLDEL: 2857 return ice_del_fdir_ethtool(vsi, cmd); 2858 case ETHTOOL_SRXFH: 2859 return ice_set_rss_hash_opt(vsi, cmd); 2860 default: 2861 break; 2862 } 2863 return -EOPNOTSUPP; 2864 } 2865 2866 /** 2867 * ice_get_rxnfc - command to get Rx flow classification rules 2868 * @netdev: network interface device structure 2869 * @cmd: ethtool rxnfc command 2870 * @rule_locs: buffer to rturn Rx flow classification rules 2871 * 2872 * Returns Success if the command is supported. 2873 */ 2874 static int 2875 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2876 u32 __always_unused *rule_locs) 2877 { 2878 struct ice_netdev_priv *np = netdev_priv(netdev); 2879 struct ice_vsi *vsi = np->vsi; 2880 int ret = -EOPNOTSUPP; 2881 struct ice_hw *hw; 2882 2883 hw = &vsi->back->hw; 2884 2885 switch (cmd->cmd) { 2886 case ETHTOOL_GRXRINGS: 2887 cmd->data = vsi->rss_size; 2888 ret = 0; 2889 break; 2890 case ETHTOOL_GRXCLSRLCNT: 2891 cmd->rule_cnt = hw->fdir_active_fltr; 2892 /* report total rule count */ 2893 cmd->data = ice_get_fdir_cnt_all(hw); 2894 ret = 0; 2895 break; 2896 case ETHTOOL_GRXCLSRULE: 2897 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2898 break; 2899 case ETHTOOL_GRXCLSRLALL: 2900 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2901 break; 2902 case ETHTOOL_GRXFH: 2903 ice_get_rss_hash_opt(vsi, cmd); 2904 ret = 0; 2905 break; 2906 default: 2907 break; 2908 } 2909 2910 return ret; 2911 } 2912 2913 static void 2914 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2915 struct kernel_ethtool_ringparam *kernel_ring, 2916 struct netlink_ext_ack *extack) 2917 { 2918 struct ice_netdev_priv *np = netdev_priv(netdev); 2919 struct ice_vsi *vsi = np->vsi; 2920 2921 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2922 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2923 ring->rx_pending = vsi->rx_rings[0]->count; 2924 ring->tx_pending = vsi->tx_rings[0]->count; 2925 2926 /* Rx mini and jumbo rings are not supported */ 2927 ring->rx_mini_max_pending = 0; 2928 ring->rx_jumbo_max_pending = 0; 2929 ring->rx_mini_pending = 0; 2930 ring->rx_jumbo_pending = 0; 2931 } 2932 2933 static int 2934 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2935 struct kernel_ethtool_ringparam *kernel_ring, 2936 struct netlink_ext_ack *extack) 2937 { 2938 struct ice_netdev_priv *np = netdev_priv(netdev); 2939 struct ice_tx_ring *xdp_rings = NULL; 2940 struct ice_tx_ring *tx_rings = NULL; 2941 struct ice_rx_ring *rx_rings = NULL; 2942 struct ice_vsi *vsi = np->vsi; 2943 struct ice_pf *pf = vsi->back; 2944 int i, timeout = 50, err = 0; 2945 u16 new_rx_cnt, new_tx_cnt; 2946 2947 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2948 ring->tx_pending < ICE_MIN_NUM_DESC || 2949 ring->rx_pending > ICE_MAX_NUM_DESC || 2950 ring->rx_pending < ICE_MIN_NUM_DESC) { 2951 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2952 ring->tx_pending, ring->rx_pending, 2953 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2954 ICE_REQ_DESC_MULTIPLE); 2955 return -EINVAL; 2956 } 2957 2958 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2959 if (new_tx_cnt != ring->tx_pending) 2960 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2961 new_tx_cnt); 2962 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2963 if (new_rx_cnt != ring->rx_pending) 2964 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2965 new_rx_cnt); 2966 2967 /* if nothing to do return success */ 2968 if (new_tx_cnt == vsi->tx_rings[0]->count && 2969 new_rx_cnt == vsi->rx_rings[0]->count) { 2970 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2971 return 0; 2972 } 2973 2974 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2975 * disallow changing the number of descriptors -- regardless 2976 * if the netdev is running or not. 2977 */ 2978 if (ice_xsk_any_rx_ring_ena(vsi)) 2979 return -EBUSY; 2980 2981 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2982 timeout--; 2983 if (!timeout) 2984 return -EBUSY; 2985 usleep_range(1000, 2000); 2986 } 2987 2988 /* set for the next time the netdev is started */ 2989 if (!netif_running(vsi->netdev)) { 2990 ice_for_each_alloc_txq(vsi, i) 2991 vsi->tx_rings[i]->count = new_tx_cnt; 2992 ice_for_each_alloc_rxq(vsi, i) 2993 vsi->rx_rings[i]->count = new_rx_cnt; 2994 if (ice_is_xdp_ena_vsi(vsi)) 2995 ice_for_each_xdp_txq(vsi, i) 2996 vsi->xdp_rings[i]->count = new_tx_cnt; 2997 vsi->num_tx_desc = (u16)new_tx_cnt; 2998 vsi->num_rx_desc = (u16)new_rx_cnt; 2999 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 3000 goto done; 3001 } 3002 3003 if (new_tx_cnt == vsi->tx_rings[0]->count) 3004 goto process_rx; 3005 3006 /* alloc updated Tx resources */ 3007 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 3008 vsi->tx_rings[0]->count, new_tx_cnt); 3009 3010 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 3011 if (!tx_rings) { 3012 err = -ENOMEM; 3013 goto done; 3014 } 3015 3016 ice_for_each_txq(vsi, i) { 3017 /* clone ring and setup updated count */ 3018 tx_rings[i] = *vsi->tx_rings[i]; 3019 tx_rings[i].count = new_tx_cnt; 3020 tx_rings[i].desc = NULL; 3021 tx_rings[i].tx_buf = NULL; 3022 tx_rings[i].tx_tstamps = &pf->ptp.port.tx; 3023 err = ice_setup_tx_ring(&tx_rings[i]); 3024 if (err) { 3025 while (i--) 3026 ice_clean_tx_ring(&tx_rings[i]); 3027 kfree(tx_rings); 3028 goto done; 3029 } 3030 } 3031 3032 if (!ice_is_xdp_ena_vsi(vsi)) 3033 goto process_rx; 3034 3035 /* alloc updated XDP resources */ 3036 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 3037 vsi->xdp_rings[0]->count, new_tx_cnt); 3038 3039 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 3040 if (!xdp_rings) { 3041 err = -ENOMEM; 3042 goto free_tx; 3043 } 3044 3045 ice_for_each_xdp_txq(vsi, i) { 3046 /* clone ring and setup updated count */ 3047 xdp_rings[i] = *vsi->xdp_rings[i]; 3048 xdp_rings[i].count = new_tx_cnt; 3049 xdp_rings[i].desc = NULL; 3050 xdp_rings[i].tx_buf = NULL; 3051 err = ice_setup_tx_ring(&xdp_rings[i]); 3052 if (err) { 3053 while (i--) 3054 ice_clean_tx_ring(&xdp_rings[i]); 3055 kfree(xdp_rings); 3056 goto free_tx; 3057 } 3058 ice_set_ring_xdp(&xdp_rings[i]); 3059 } 3060 3061 process_rx: 3062 if (new_rx_cnt == vsi->rx_rings[0]->count) 3063 goto process_link; 3064 3065 /* alloc updated Rx resources */ 3066 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 3067 vsi->rx_rings[0]->count, new_rx_cnt); 3068 3069 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 3070 if (!rx_rings) { 3071 err = -ENOMEM; 3072 goto done; 3073 } 3074 3075 ice_for_each_rxq(vsi, i) { 3076 /* clone ring and setup updated count */ 3077 rx_rings[i] = *vsi->rx_rings[i]; 3078 rx_rings[i].count = new_rx_cnt; 3079 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time; 3080 rx_rings[i].desc = NULL; 3081 rx_rings[i].rx_buf = NULL; 3082 /* this is to allow wr32 to have something to write to 3083 * during early allocation of Rx buffers 3084 */ 3085 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 3086 3087 err = ice_setup_rx_ring(&rx_rings[i]); 3088 if (err) 3089 goto rx_unwind; 3090 3091 /* allocate Rx buffers */ 3092 err = ice_alloc_rx_bufs(&rx_rings[i], 3093 ICE_RX_DESC_UNUSED(&rx_rings[i])); 3094 rx_unwind: 3095 if (err) { 3096 while (i) { 3097 i--; 3098 ice_free_rx_ring(&rx_rings[i]); 3099 } 3100 kfree(rx_rings); 3101 err = -ENOMEM; 3102 goto free_tx; 3103 } 3104 } 3105 3106 process_link: 3107 /* Bring interface down, copy in the new ring info, then restore the 3108 * interface. if VSI is up, bring it down and then back up 3109 */ 3110 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 3111 ice_down(vsi); 3112 3113 if (tx_rings) { 3114 ice_for_each_txq(vsi, i) { 3115 ice_free_tx_ring(vsi->tx_rings[i]); 3116 *vsi->tx_rings[i] = tx_rings[i]; 3117 } 3118 kfree(tx_rings); 3119 } 3120 3121 if (rx_rings) { 3122 ice_for_each_rxq(vsi, i) { 3123 ice_free_rx_ring(vsi->rx_rings[i]); 3124 /* copy the real tail offset */ 3125 rx_rings[i].tail = vsi->rx_rings[i]->tail; 3126 /* this is to fake out the allocation routine 3127 * into thinking it has to realloc everything 3128 * but the recycling logic will let us re-use 3129 * the buffers allocated above 3130 */ 3131 rx_rings[i].next_to_use = 0; 3132 rx_rings[i].next_to_clean = 0; 3133 rx_rings[i].next_to_alloc = 0; 3134 *vsi->rx_rings[i] = rx_rings[i]; 3135 } 3136 kfree(rx_rings); 3137 } 3138 3139 if (xdp_rings) { 3140 ice_for_each_xdp_txq(vsi, i) { 3141 ice_free_tx_ring(vsi->xdp_rings[i]); 3142 *vsi->xdp_rings[i] = xdp_rings[i]; 3143 } 3144 kfree(xdp_rings); 3145 } 3146 3147 vsi->num_tx_desc = new_tx_cnt; 3148 vsi->num_rx_desc = new_rx_cnt; 3149 ice_up(vsi); 3150 } 3151 goto done; 3152 3153 free_tx: 3154 /* error cleanup if the Rx allocations failed after getting Tx */ 3155 if (tx_rings) { 3156 ice_for_each_txq(vsi, i) 3157 ice_free_tx_ring(&tx_rings[i]); 3158 kfree(tx_rings); 3159 } 3160 3161 done: 3162 clear_bit(ICE_CFG_BUSY, pf->state); 3163 return err; 3164 } 3165 3166 /** 3167 * ice_get_pauseparam - Get Flow Control status 3168 * @netdev: network interface device structure 3169 * @pause: ethernet pause (flow control) parameters 3170 * 3171 * Get requested flow control status from PHY capability. 3172 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 3173 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 3174 * the negotiated Rx/Tx pause via lp_advertising. 3175 */ 3176 static void 3177 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3178 { 3179 struct ice_netdev_priv *np = netdev_priv(netdev); 3180 struct ice_port_info *pi = np->vsi->port_info; 3181 struct ice_aqc_get_phy_caps_data *pcaps; 3182 struct ice_dcbx_cfg *dcbx_cfg; 3183 int status; 3184 3185 /* Initialize pause params */ 3186 pause->rx_pause = 0; 3187 pause->tx_pause = 0; 3188 3189 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3190 3191 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3192 if (!pcaps) 3193 return; 3194 3195 /* Get current PHY config */ 3196 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3197 NULL); 3198 if (status) 3199 goto out; 3200 3201 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3202 AUTONEG_DISABLE; 3203 3204 if (dcbx_cfg->pfc.pfcena) 3205 /* PFC enabled so report LFC as off */ 3206 goto out; 3207 3208 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 3209 pause->tx_pause = 1; 3210 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 3211 pause->rx_pause = 1; 3212 3213 out: 3214 kfree(pcaps); 3215 } 3216 3217 /** 3218 * ice_set_pauseparam - Set Flow Control parameter 3219 * @netdev: network interface device structure 3220 * @pause: return Tx/Rx flow control status 3221 */ 3222 static int 3223 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3224 { 3225 struct ice_netdev_priv *np = netdev_priv(netdev); 3226 struct ice_aqc_get_phy_caps_data *pcaps; 3227 struct ice_link_status *hw_link_info; 3228 struct ice_pf *pf = np->vsi->back; 3229 struct ice_dcbx_cfg *dcbx_cfg; 3230 struct ice_vsi *vsi = np->vsi; 3231 struct ice_hw *hw = &pf->hw; 3232 struct ice_port_info *pi; 3233 u8 aq_failures; 3234 bool link_up; 3235 u32 is_an; 3236 int err; 3237 3238 pi = vsi->port_info; 3239 hw_link_info = &pi->phy.link_info; 3240 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3241 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3242 3243 /* Changing the port's flow control is not supported if this isn't the 3244 * PF VSI 3245 */ 3246 if (vsi->type != ICE_VSI_PF) { 3247 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3248 return -EOPNOTSUPP; 3249 } 3250 3251 /* Get pause param reports configured and negotiated flow control pause 3252 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3253 * defined get pause param pause->autoneg reports SW configured setting, 3254 * so compare pause->autoneg with SW configured to prevent the user from 3255 * using set pause param to chance autoneg. 3256 */ 3257 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3258 if (!pcaps) 3259 return -ENOMEM; 3260 3261 /* Get current PHY config */ 3262 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3263 NULL); 3264 if (err) { 3265 kfree(pcaps); 3266 return err; 3267 } 3268 3269 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3270 AUTONEG_DISABLE; 3271 3272 kfree(pcaps); 3273 3274 if (pause->autoneg != is_an) { 3275 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3276 return -EOPNOTSUPP; 3277 } 3278 3279 /* If we have link and don't have autoneg */ 3280 if (!test_bit(ICE_DOWN, pf->state) && 3281 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3282 /* Send message that it might not necessarily work*/ 3283 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3284 } 3285 3286 if (dcbx_cfg->pfc.pfcena) { 3287 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3288 return -EOPNOTSUPP; 3289 } 3290 if (pause->rx_pause && pause->tx_pause) 3291 pi->fc.req_mode = ICE_FC_FULL; 3292 else if (pause->rx_pause && !pause->tx_pause) 3293 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3294 else if (!pause->rx_pause && pause->tx_pause) 3295 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3296 else if (!pause->rx_pause && !pause->tx_pause) 3297 pi->fc.req_mode = ICE_FC_NONE; 3298 else 3299 return -EINVAL; 3300 3301 /* Set the FC mode and only restart AN if link is up */ 3302 err = ice_set_fc(pi, &aq_failures, link_up); 3303 3304 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3305 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n", 3306 err, ice_aq_str(hw->adminq.sq_last_status)); 3307 err = -EAGAIN; 3308 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3309 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n", 3310 err, ice_aq_str(hw->adminq.sq_last_status)); 3311 err = -EAGAIN; 3312 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3313 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n", 3314 err, ice_aq_str(hw->adminq.sq_last_status)); 3315 err = -EAGAIN; 3316 } 3317 3318 return err; 3319 } 3320 3321 /** 3322 * ice_get_rxfh_key_size - get the RSS hash key size 3323 * @netdev: network interface device structure 3324 * 3325 * Returns the table size. 3326 */ 3327 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3328 { 3329 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3330 } 3331 3332 /** 3333 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3334 * @netdev: network interface device structure 3335 * 3336 * Returns the table size. 3337 */ 3338 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3339 { 3340 struct ice_netdev_priv *np = netdev_priv(netdev); 3341 3342 return np->vsi->rss_table_size; 3343 } 3344 3345 static int 3346 ice_get_rxfh_context(struct net_device *netdev, u32 *indir, 3347 u8 *key, u8 *hfunc, u32 rss_context) 3348 { 3349 struct ice_netdev_priv *np = netdev_priv(netdev); 3350 struct ice_vsi *vsi = np->vsi; 3351 struct ice_pf *pf = vsi->back; 3352 u16 qcount, offset; 3353 int err, num_tc, i; 3354 u8 *lut; 3355 3356 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3357 netdev_warn(netdev, "RSS is not supported on this VSI!\n"); 3358 return -EOPNOTSUPP; 3359 } 3360 3361 if (rss_context && !ice_is_adq_active(pf)) { 3362 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n"); 3363 return -EINVAL; 3364 } 3365 3366 qcount = vsi->mqprio_qopt.qopt.count[rss_context]; 3367 offset = vsi->mqprio_qopt.qopt.offset[rss_context]; 3368 3369 if (rss_context && ice_is_adq_active(pf)) { 3370 num_tc = vsi->mqprio_qopt.qopt.num_tc; 3371 if (rss_context >= num_tc) { 3372 netdev_err(netdev, "RSS context:%d > num_tc:%d\n", 3373 rss_context, num_tc); 3374 return -EINVAL; 3375 } 3376 /* Use channel VSI of given TC */ 3377 vsi = vsi->tc_map_vsi[rss_context]; 3378 } 3379 3380 if (hfunc) 3381 *hfunc = ETH_RSS_HASH_TOP; 3382 3383 if (!indir) 3384 return 0; 3385 3386 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3387 if (!lut) 3388 return -ENOMEM; 3389 3390 err = ice_get_rss_key(vsi, key); 3391 if (err) 3392 goto out; 3393 3394 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size); 3395 if (err) 3396 goto out; 3397 3398 if (ice_is_adq_active(pf)) { 3399 for (i = 0; i < vsi->rss_table_size; i++) 3400 indir[i] = offset + lut[i] % qcount; 3401 goto out; 3402 } 3403 3404 for (i = 0; i < vsi->rss_table_size; i++) 3405 indir[i] = lut[i]; 3406 3407 out: 3408 kfree(lut); 3409 return err; 3410 } 3411 3412 /** 3413 * ice_get_rxfh - get the Rx flow hash indirection table 3414 * @netdev: network interface device structure 3415 * @indir: indirection table 3416 * @key: hash key 3417 * @hfunc: hash function 3418 * 3419 * Reads the indirection table directly from the hardware. 3420 */ 3421 static int 3422 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3423 { 3424 return ice_get_rxfh_context(netdev, indir, key, hfunc, 0); 3425 } 3426 3427 /** 3428 * ice_set_rxfh - set the Rx flow hash indirection table 3429 * @netdev: network interface device structure 3430 * @indir: indirection table 3431 * @key: hash key 3432 * @hfunc: hash function 3433 * 3434 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3435 * returns 0 after programming the table. 3436 */ 3437 static int 3438 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3439 const u8 hfunc) 3440 { 3441 struct ice_netdev_priv *np = netdev_priv(netdev); 3442 struct ice_vsi *vsi = np->vsi; 3443 struct ice_pf *pf = vsi->back; 3444 struct device *dev; 3445 int err; 3446 3447 dev = ice_pf_to_dev(pf); 3448 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3449 return -EOPNOTSUPP; 3450 3451 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3452 /* RSS not supported return error here */ 3453 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3454 return -EIO; 3455 } 3456 3457 if (ice_is_adq_active(pf)) { 3458 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n"); 3459 return -EOPNOTSUPP; 3460 } 3461 3462 if (key) { 3463 if (!vsi->rss_hkey_user) { 3464 vsi->rss_hkey_user = 3465 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3466 GFP_KERNEL); 3467 if (!vsi->rss_hkey_user) 3468 return -ENOMEM; 3469 } 3470 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3471 3472 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3473 if (err) 3474 return err; 3475 } 3476 3477 if (!vsi->rss_lut_user) { 3478 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3479 GFP_KERNEL); 3480 if (!vsi->rss_lut_user) 3481 return -ENOMEM; 3482 } 3483 3484 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3485 if (indir) { 3486 int i; 3487 3488 for (i = 0; i < vsi->rss_table_size; i++) 3489 vsi->rss_lut_user[i] = (u8)(indir[i]); 3490 } else { 3491 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3492 vsi->rss_size); 3493 } 3494 3495 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3496 if (err) 3497 return err; 3498 3499 return 0; 3500 } 3501 3502 static int 3503 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) 3504 { 3505 struct ice_pf *pf = ice_netdev_to_pf(dev); 3506 3507 /* only report timestamping if PTP is enabled */ 3508 if (!test_bit(ICE_FLAG_PTP, pf->flags)) 3509 return ethtool_op_get_ts_info(dev, info); 3510 3511 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3512 SOF_TIMESTAMPING_RX_SOFTWARE | 3513 SOF_TIMESTAMPING_SOFTWARE | 3514 SOF_TIMESTAMPING_TX_HARDWARE | 3515 SOF_TIMESTAMPING_RX_HARDWARE | 3516 SOF_TIMESTAMPING_RAW_HARDWARE; 3517 3518 info->phc_index = ice_get_ptp_clock_index(pf); 3519 3520 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3521 3522 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3523 3524 return 0; 3525 } 3526 3527 /** 3528 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3529 * @pf: PF structure 3530 */ 3531 static int ice_get_max_txq(struct ice_pf *pf) 3532 { 3533 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3534 (u16)pf->hw.func_caps.common_cap.num_txq); 3535 } 3536 3537 /** 3538 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3539 * @pf: PF structure 3540 */ 3541 static int ice_get_max_rxq(struct ice_pf *pf) 3542 { 3543 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3544 (u16)pf->hw.func_caps.common_cap.num_rxq); 3545 } 3546 3547 /** 3548 * ice_get_combined_cnt - return the current number of combined channels 3549 * @vsi: PF VSI pointer 3550 * 3551 * Go through all queue vectors and count ones that have both Rx and Tx ring 3552 * attached 3553 */ 3554 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3555 { 3556 u32 combined = 0; 3557 int q_idx; 3558 3559 ice_for_each_q_vector(vsi, q_idx) { 3560 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3561 3562 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring) 3563 combined++; 3564 } 3565 3566 return combined; 3567 } 3568 3569 /** 3570 * ice_get_channels - get the current and max supported channels 3571 * @dev: network interface device structure 3572 * @ch: ethtool channel data structure 3573 */ 3574 static void 3575 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3576 { 3577 struct ice_netdev_priv *np = netdev_priv(dev); 3578 struct ice_vsi *vsi = np->vsi; 3579 struct ice_pf *pf = vsi->back; 3580 3581 /* report maximum channels */ 3582 ch->max_rx = ice_get_max_rxq(pf); 3583 ch->max_tx = ice_get_max_txq(pf); 3584 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3585 3586 /* report current channels */ 3587 ch->combined_count = ice_get_combined_cnt(vsi); 3588 ch->rx_count = vsi->num_rxq - ch->combined_count; 3589 ch->tx_count = vsi->num_txq - ch->combined_count; 3590 3591 /* report other queues */ 3592 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3593 ch->max_other = ch->other_count; 3594 } 3595 3596 /** 3597 * ice_get_valid_rss_size - return valid number of RSS queues 3598 * @hw: pointer to the HW structure 3599 * @new_size: requested RSS queues 3600 */ 3601 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3602 { 3603 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3604 3605 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3606 } 3607 3608 /** 3609 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3610 * @vsi: VSI to reconfigure RSS LUT on 3611 * @req_rss_size: requested range of queue numbers for hashing 3612 * 3613 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3614 */ 3615 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3616 { 3617 struct ice_pf *pf = vsi->back; 3618 struct device *dev; 3619 struct ice_hw *hw; 3620 int err; 3621 u8 *lut; 3622 3623 dev = ice_pf_to_dev(pf); 3624 hw = &pf->hw; 3625 3626 if (!req_rss_size) 3627 return -EINVAL; 3628 3629 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3630 if (!lut) 3631 return -ENOMEM; 3632 3633 /* set RSS LUT parameters */ 3634 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3635 vsi->rss_size = 1; 3636 else 3637 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3638 3639 /* create/set RSS LUT */ 3640 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3641 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3642 if (err) 3643 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3644 ice_aq_str(hw->adminq.sq_last_status)); 3645 3646 kfree(lut); 3647 return err; 3648 } 3649 3650 /** 3651 * ice_set_channels - set the number channels 3652 * @dev: network interface device structure 3653 * @ch: ethtool channel data structure 3654 */ 3655 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3656 { 3657 struct ice_netdev_priv *np = netdev_priv(dev); 3658 struct ice_vsi *vsi = np->vsi; 3659 struct ice_pf *pf = vsi->back; 3660 int new_rx = 0, new_tx = 0; 3661 bool locked = false; 3662 u32 curr_combined; 3663 int ret = 0; 3664 3665 /* do not support changing channels in Safe Mode */ 3666 if (ice_is_safe_mode(pf)) { 3667 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3668 return -EOPNOTSUPP; 3669 } 3670 /* do not support changing other_count */ 3671 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3672 return -EINVAL; 3673 3674 if (ice_is_adq_active(pf)) { 3675 netdev_err(dev, "Cannot set channels with ADQ configured.\n"); 3676 return -EOPNOTSUPP; 3677 } 3678 3679 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3680 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3681 return -EOPNOTSUPP; 3682 } 3683 3684 curr_combined = ice_get_combined_cnt(vsi); 3685 3686 /* these checks are for cases where user didn't specify a particular 3687 * value on cmd line but we get non-zero value anyway via 3688 * get_channels(); look at ethtool.c in ethtool repository (the user 3689 * space part), particularly, do_schannels() routine 3690 */ 3691 if (ch->rx_count == vsi->num_rxq - curr_combined) 3692 ch->rx_count = 0; 3693 if (ch->tx_count == vsi->num_txq - curr_combined) 3694 ch->tx_count = 0; 3695 if (ch->combined_count == curr_combined) 3696 ch->combined_count = 0; 3697 3698 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3699 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3700 return -EINVAL; 3701 } 3702 3703 new_rx = ch->combined_count + ch->rx_count; 3704 new_tx = ch->combined_count + ch->tx_count; 3705 3706 if (new_rx < vsi->tc_cfg.numtc) { 3707 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n", 3708 vsi->tc_cfg.numtc); 3709 return -EINVAL; 3710 } 3711 if (new_tx < vsi->tc_cfg.numtc) { 3712 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n", 3713 vsi->tc_cfg.numtc); 3714 return -EINVAL; 3715 } 3716 if (new_rx > ice_get_max_rxq(pf)) { 3717 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3718 ice_get_max_rxq(pf)); 3719 return -EINVAL; 3720 } 3721 if (new_tx > ice_get_max_txq(pf)) { 3722 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3723 ice_get_max_txq(pf)); 3724 return -EINVAL; 3725 } 3726 3727 if (pf->adev) { 3728 mutex_lock(&pf->adev_mutex); 3729 device_lock(&pf->adev->dev); 3730 locked = true; 3731 if (pf->adev->dev.driver) { 3732 netdev_err(dev, "Cannot change channels when RDMA is active\n"); 3733 ret = -EBUSY; 3734 goto adev_unlock; 3735 } 3736 } 3737 3738 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked); 3739 3740 if (!netif_is_rxfh_configured(dev)) { 3741 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3742 goto adev_unlock; 3743 } 3744 3745 /* Update rss_size due to change in Rx queues */ 3746 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3747 3748 adev_unlock: 3749 if (locked) { 3750 device_unlock(&pf->adev->dev); 3751 mutex_unlock(&pf->adev_mutex); 3752 } 3753 return ret; 3754 } 3755 3756 /** 3757 * ice_get_wol - get current Wake on LAN configuration 3758 * @netdev: network interface device structure 3759 * @wol: Ethtool structure to retrieve WoL settings 3760 */ 3761 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3762 { 3763 struct ice_netdev_priv *np = netdev_priv(netdev); 3764 struct ice_pf *pf = np->vsi->back; 3765 3766 if (np->vsi->type != ICE_VSI_PF) 3767 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3768 3769 /* Get WoL settings based on the HW capability */ 3770 if (ice_is_wol_supported(&pf->hw)) { 3771 wol->supported = WAKE_MAGIC; 3772 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3773 } else { 3774 wol->supported = 0; 3775 wol->wolopts = 0; 3776 } 3777 } 3778 3779 /** 3780 * ice_set_wol - set Wake on LAN on supported device 3781 * @netdev: network interface device structure 3782 * @wol: Ethtool structure to set WoL 3783 */ 3784 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3785 { 3786 struct ice_netdev_priv *np = netdev_priv(netdev); 3787 struct ice_vsi *vsi = np->vsi; 3788 struct ice_pf *pf = vsi->back; 3789 3790 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 3791 return -EOPNOTSUPP; 3792 3793 /* only magic packet is supported */ 3794 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3795 return -EOPNOTSUPP; 3796 3797 /* Set WoL only if there is a new value */ 3798 if (pf->wol_ena != !!wol->wolopts) { 3799 pf->wol_ena = !!wol->wolopts; 3800 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3801 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3802 pf->wol_ena ? "en" : "dis"); 3803 } 3804 3805 return 0; 3806 } 3807 3808 /** 3809 * ice_get_rc_coalesce - get ITR values for specific ring container 3810 * @ec: ethtool structure to fill with driver's coalesce settings 3811 * @rc: ring container that the ITR values will come from 3812 * 3813 * Query the device for ice_ring_container specific ITR values. This is 3814 * done per ice_ring_container because each q_vector can have 1 or more rings 3815 * and all of said ring(s) will have the same ITR values. 3816 * 3817 * Returns 0 on success, negative otherwise. 3818 */ 3819 static int 3820 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc) 3821 { 3822 if (!rc->rx_ring) 3823 return -EINVAL; 3824 3825 switch (rc->type) { 3826 case ICE_RX_CONTAINER: 3827 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 3828 ec->rx_coalesce_usecs = rc->itr_setting; 3829 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl; 3830 break; 3831 case ICE_TX_CONTAINER: 3832 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 3833 ec->tx_coalesce_usecs = rc->itr_setting; 3834 break; 3835 default: 3836 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type); 3837 return -EINVAL; 3838 } 3839 3840 return 0; 3841 } 3842 3843 /** 3844 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3845 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3846 * @ec: coalesce settings to program the device with 3847 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3848 * 3849 * Return 0 on success, and negative under the following conditions: 3850 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3851 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3852 */ 3853 static int 3854 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3855 { 3856 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3857 if (ice_get_rc_coalesce(ec, 3858 &vsi->rx_rings[q_num]->q_vector->rx)) 3859 return -EINVAL; 3860 if (ice_get_rc_coalesce(ec, 3861 &vsi->tx_rings[q_num]->q_vector->tx)) 3862 return -EINVAL; 3863 } else if (q_num < vsi->num_rxq) { 3864 if (ice_get_rc_coalesce(ec, 3865 &vsi->rx_rings[q_num]->q_vector->rx)) 3866 return -EINVAL; 3867 } else if (q_num < vsi->num_txq) { 3868 if (ice_get_rc_coalesce(ec, 3869 &vsi->tx_rings[q_num]->q_vector->tx)) 3870 return -EINVAL; 3871 } else { 3872 return -EINVAL; 3873 } 3874 3875 return 0; 3876 } 3877 3878 /** 3879 * __ice_get_coalesce - get ITR/INTRL values for the device 3880 * @netdev: pointer to the netdev associated with this query 3881 * @ec: ethtool structure to fill with driver's coalesce settings 3882 * @q_num: queue number to get the coalesce settings for 3883 * 3884 * If the caller passes in a negative q_num then we return coalesce settings 3885 * based on queue number 0, else use the actual q_num passed in. 3886 */ 3887 static int 3888 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3889 int q_num) 3890 { 3891 struct ice_netdev_priv *np = netdev_priv(netdev); 3892 struct ice_vsi *vsi = np->vsi; 3893 3894 if (q_num < 0) 3895 q_num = 0; 3896 3897 if (ice_get_q_coalesce(vsi, ec, q_num)) 3898 return -EINVAL; 3899 3900 return 0; 3901 } 3902 3903 static int ice_get_coalesce(struct net_device *netdev, 3904 struct ethtool_coalesce *ec, 3905 struct kernel_ethtool_coalesce *kernel_coal, 3906 struct netlink_ext_ack *extack) 3907 { 3908 return __ice_get_coalesce(netdev, ec, -1); 3909 } 3910 3911 static int 3912 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3913 struct ethtool_coalesce *ec) 3914 { 3915 return __ice_get_coalesce(netdev, ec, q_num); 3916 } 3917 3918 /** 3919 * ice_set_rc_coalesce - set ITR values for specific ring container 3920 * @ec: ethtool structure from user to update ITR settings 3921 * @rc: ring container that the ITR values will come from 3922 * @vsi: VSI associated to the ring container 3923 * 3924 * Set specific ITR values. This is done per ice_ring_container because each 3925 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3926 * ITR values. 3927 * 3928 * Returns 0 on success, negative otherwise. 3929 */ 3930 static int 3931 ice_set_rc_coalesce(struct ethtool_coalesce *ec, 3932 struct ice_ring_container *rc, struct ice_vsi *vsi) 3933 { 3934 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3935 u32 use_adaptive_coalesce, coalesce_usecs; 3936 struct ice_pf *pf = vsi->back; 3937 u16 itr_setting; 3938 3939 if (!rc->rx_ring) 3940 return -EINVAL; 3941 3942 switch (rc->type) { 3943 case ICE_RX_CONTAINER: 3944 { 3945 struct ice_q_vector *q_vector = rc->rx_ring->q_vector; 3946 3947 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3948 (ec->rx_coalesce_usecs_high && 3949 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3950 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3951 c_type_str, pf->hw.intrl_gran, 3952 ICE_MAX_INTRL); 3953 return -EINVAL; 3954 } 3955 if (ec->rx_coalesce_usecs_high != q_vector->intrl && 3956 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 3957 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 3958 c_type_str); 3959 return -EINVAL; 3960 } 3961 if (ec->rx_coalesce_usecs_high != q_vector->intrl) 3962 q_vector->intrl = ec->rx_coalesce_usecs_high; 3963 3964 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3965 coalesce_usecs = ec->rx_coalesce_usecs; 3966 3967 break; 3968 } 3969 case ICE_TX_CONTAINER: 3970 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3971 coalesce_usecs = ec->tx_coalesce_usecs; 3972 3973 break; 3974 default: 3975 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3976 rc->type); 3977 return -EINVAL; 3978 } 3979 3980 itr_setting = rc->itr_setting; 3981 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3982 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3983 c_type_str, c_type_str); 3984 return -EINVAL; 3985 } 3986 3987 if (coalesce_usecs > ICE_ITR_MAX) { 3988 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3989 c_type_str, ICE_ITR_MAX); 3990 return -EINVAL; 3991 } 3992 3993 if (use_adaptive_coalesce) { 3994 rc->itr_mode = ITR_DYNAMIC; 3995 } else { 3996 rc->itr_mode = ITR_STATIC; 3997 /* store user facing value how it was set */ 3998 rc->itr_setting = coalesce_usecs; 3999 /* write the change to the register */ 4000 ice_write_itr(rc, coalesce_usecs); 4001 /* force writes to take effect immediately, the flush shouldn't 4002 * be done in the functions above because the intent is for 4003 * them to do lazy writes. 4004 */ 4005 ice_flush(&pf->hw); 4006 } 4007 4008 return 0; 4009 } 4010 4011 /** 4012 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 4013 * @vsi: VSI associated to the queue that need updating 4014 * @ec: coalesce settings to program the device with 4015 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 4016 * 4017 * Return 0 on success, and negative under the following conditions: 4018 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 4019 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 4020 */ 4021 static int 4022 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 4023 { 4024 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 4025 if (ice_set_rc_coalesce(ec, 4026 &vsi->rx_rings[q_num]->q_vector->rx, 4027 vsi)) 4028 return -EINVAL; 4029 4030 if (ice_set_rc_coalesce(ec, 4031 &vsi->tx_rings[q_num]->q_vector->tx, 4032 vsi)) 4033 return -EINVAL; 4034 } else if (q_num < vsi->num_rxq) { 4035 if (ice_set_rc_coalesce(ec, 4036 &vsi->rx_rings[q_num]->q_vector->rx, 4037 vsi)) 4038 return -EINVAL; 4039 } else if (q_num < vsi->num_txq) { 4040 if (ice_set_rc_coalesce(ec, 4041 &vsi->tx_rings[q_num]->q_vector->tx, 4042 vsi)) 4043 return -EINVAL; 4044 } else { 4045 return -EINVAL; 4046 } 4047 4048 return 0; 4049 } 4050 4051 /** 4052 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 4053 * @netdev: netdev used for print 4054 * @itr_setting: previous user setting 4055 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 4056 * @coalesce_usecs: requested value of [tx|rx]-usecs 4057 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 4058 */ 4059 static void 4060 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 4061 u32 use_adaptive_coalesce, u32 coalesce_usecs, 4062 const char *c_type_str) 4063 { 4064 if (use_adaptive_coalesce) 4065 return; 4066 4067 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 4068 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", 4069 c_type_str, coalesce_usecs, c_type_str, 4070 ITR_REG_ALIGN(coalesce_usecs)); 4071 } 4072 4073 /** 4074 * __ice_set_coalesce - set ITR/INTRL values for the device 4075 * @netdev: pointer to the netdev associated with this query 4076 * @ec: ethtool structure to fill with driver's coalesce settings 4077 * @q_num: queue number to get the coalesce settings for 4078 * 4079 * If the caller passes in a negative q_num then we set the coalesce settings 4080 * for all Tx/Rx queues, else use the actual q_num passed in. 4081 */ 4082 static int 4083 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 4084 int q_num) 4085 { 4086 struct ice_netdev_priv *np = netdev_priv(netdev); 4087 struct ice_vsi *vsi = np->vsi; 4088 4089 if (q_num < 0) { 4090 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 4091 int v_idx; 4092 4093 if (q_vector) { 4094 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 4095 ec->use_adaptive_rx_coalesce, 4096 ec->rx_coalesce_usecs, "rx"); 4097 4098 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 4099 ec->use_adaptive_tx_coalesce, 4100 ec->tx_coalesce_usecs, "tx"); 4101 } 4102 4103 ice_for_each_q_vector(vsi, v_idx) { 4104 /* In some cases if DCB is configured the num_[rx|tx]q 4105 * can be less than vsi->num_q_vectors. This check 4106 * accounts for that so we don't report a false failure 4107 */ 4108 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 4109 goto set_complete; 4110 4111 if (ice_set_q_coalesce(vsi, ec, v_idx)) 4112 return -EINVAL; 4113 4114 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]); 4115 } 4116 goto set_complete; 4117 } 4118 4119 if (ice_set_q_coalesce(vsi, ec, q_num)) 4120 return -EINVAL; 4121 4122 ice_set_q_vector_intrl(vsi->q_vectors[q_num]); 4123 4124 set_complete: 4125 return 0; 4126 } 4127 4128 static int ice_set_coalesce(struct net_device *netdev, 4129 struct ethtool_coalesce *ec, 4130 struct kernel_ethtool_coalesce *kernel_coal, 4131 struct netlink_ext_ack *extack) 4132 { 4133 return __ice_set_coalesce(netdev, ec, -1); 4134 } 4135 4136 static int 4137 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 4138 struct ethtool_coalesce *ec) 4139 { 4140 return __ice_set_coalesce(netdev, ec, q_num); 4141 } 4142 4143 static void 4144 ice_repr_get_drvinfo(struct net_device *netdev, 4145 struct ethtool_drvinfo *drvinfo) 4146 { 4147 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4148 4149 if (ice_check_vf_ready_for_cfg(repr->vf)) 4150 return; 4151 4152 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi); 4153 } 4154 4155 static void 4156 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 4157 { 4158 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4159 4160 /* for port representors only ETH_SS_STATS is supported */ 4161 if (ice_check_vf_ready_for_cfg(repr->vf) || 4162 stringset != ETH_SS_STATS) 4163 return; 4164 4165 __ice_get_strings(netdev, stringset, data, repr->src_vsi); 4166 } 4167 4168 static void 4169 ice_repr_get_ethtool_stats(struct net_device *netdev, 4170 struct ethtool_stats __always_unused *stats, 4171 u64 *data) 4172 { 4173 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4174 4175 if (ice_check_vf_ready_for_cfg(repr->vf)) 4176 return; 4177 4178 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi); 4179 } 4180 4181 static int ice_repr_get_sset_count(struct net_device *netdev, int sset) 4182 { 4183 switch (sset) { 4184 case ETH_SS_STATS: 4185 return ICE_VSI_STATS_LEN; 4186 default: 4187 return -EOPNOTSUPP; 4188 } 4189 } 4190 4191 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 4192 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 4193 #define ICE_MODULE_TYPE_SFP 0x03 4194 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 4195 #define ICE_MODULE_TYPE_QSFP28 0x11 4196 #define ICE_MODULE_SFF_ADDR_MODE 0x04 4197 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 4198 #define ICE_MODULE_REVISION_ADDR 0x01 4199 #define ICE_MODULE_SFF_8472_COMP 0x5E 4200 #define ICE_MODULE_SFF_8472_SWAP 0x5C 4201 #define ICE_MODULE_QSFP_MAX_LEN 640 4202 4203 /** 4204 * ice_get_module_info - get SFF module type and revision information 4205 * @netdev: network interface device structure 4206 * @modinfo: module EEPROM size and layout information structure 4207 */ 4208 static int 4209 ice_get_module_info(struct net_device *netdev, 4210 struct ethtool_modinfo *modinfo) 4211 { 4212 struct ice_netdev_priv *np = netdev_priv(netdev); 4213 struct ice_vsi *vsi = np->vsi; 4214 struct ice_pf *pf = vsi->back; 4215 struct ice_hw *hw = &pf->hw; 4216 u8 sff8472_comp = 0; 4217 u8 sff8472_swap = 0; 4218 u8 sff8636_rev = 0; 4219 u8 value = 0; 4220 int status; 4221 4222 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 4223 0, &value, 1, 0, NULL); 4224 if (status) 4225 return status; 4226 4227 switch (value) { 4228 case ICE_MODULE_TYPE_SFP: 4229 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4230 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 4231 &sff8472_comp, 1, 0, NULL); 4232 if (status) 4233 return status; 4234 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4235 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 4236 &sff8472_swap, 1, 0, NULL); 4237 if (status) 4238 return status; 4239 4240 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 4241 modinfo->type = ETH_MODULE_SFF_8079; 4242 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4243 } else if (sff8472_comp && 4244 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 4245 modinfo->type = ETH_MODULE_SFF_8472; 4246 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 4247 } else { 4248 modinfo->type = ETH_MODULE_SFF_8079; 4249 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4250 } 4251 break; 4252 case ICE_MODULE_TYPE_QSFP_PLUS: 4253 case ICE_MODULE_TYPE_QSFP28: 4254 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4255 ICE_MODULE_REVISION_ADDR, 0x00, 0, 4256 &sff8636_rev, 1, 0, NULL); 4257 if (status) 4258 return status; 4259 /* Check revision compliance */ 4260 if (sff8636_rev > 0x02) { 4261 /* Module is SFF-8636 compliant */ 4262 modinfo->type = ETH_MODULE_SFF_8636; 4263 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4264 } else { 4265 modinfo->type = ETH_MODULE_SFF_8436; 4266 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4267 } 4268 break; 4269 default: 4270 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 4271 return -EINVAL; 4272 } 4273 return 0; 4274 } 4275 4276 /** 4277 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 4278 * @netdev: network interface device structure 4279 * @ee: EEPROM dump request structure 4280 * @data: buffer to be filled with EEPROM contents 4281 */ 4282 static int 4283 ice_get_module_eeprom(struct net_device *netdev, 4284 struct ethtool_eeprom *ee, u8 *data) 4285 { 4286 struct ice_netdev_priv *np = netdev_priv(netdev); 4287 #define SFF_READ_BLOCK_SIZE 8 4288 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 4289 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 4290 struct ice_vsi *vsi = np->vsi; 4291 struct ice_pf *pf = vsi->back; 4292 struct ice_hw *hw = &pf->hw; 4293 bool is_sfp = false; 4294 unsigned int i, j; 4295 u16 offset = 0; 4296 u8 page = 0; 4297 int status; 4298 4299 if (!ee || !ee->len || !data) 4300 return -EINVAL; 4301 4302 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 4303 NULL); 4304 if (status) 4305 return status; 4306 4307 if (value[0] == ICE_MODULE_TYPE_SFP) 4308 is_sfp = true; 4309 4310 memset(data, 0, ee->len); 4311 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 4312 offset = i + ee->offset; 4313 page = 0; 4314 4315 /* Check if we need to access the other memory page */ 4316 if (is_sfp) { 4317 if (offset >= ETH_MODULE_SFF_8079_LEN) { 4318 offset -= ETH_MODULE_SFF_8079_LEN; 4319 addr = ICE_I2C_EEPROM_DEV_ADDR2; 4320 } 4321 } else { 4322 while (offset >= ETH_MODULE_SFF_8436_LEN) { 4323 /* Compute memory page number and offset. */ 4324 offset -= ETH_MODULE_SFF_8436_LEN / 2; 4325 page++; 4326 } 4327 } 4328 4329 /* Bit 2 of EEPROM address 0x02 declares upper 4330 * pages are disabled on QSFP modules. 4331 * SFP modules only ever use page 0. 4332 */ 4333 if (page == 0 || !(data[0x2] & 0x4)) { 4334 u32 copy_len; 4335 4336 /* If i2c bus is busy due to slow page change or 4337 * link management access, call can fail. This is normal. 4338 * So we retry this a few times. 4339 */ 4340 for (j = 0; j < 4; j++) { 4341 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 4342 !is_sfp, value, 4343 SFF_READ_BLOCK_SIZE, 4344 0, NULL); 4345 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n", 4346 addr, offset, page, is_sfp, 4347 value[0], value[1], value[2], value[3], 4348 value[4], value[5], value[6], value[7], 4349 status); 4350 if (status) { 4351 usleep_range(1500, 2500); 4352 memset(value, 0, SFF_READ_BLOCK_SIZE); 4353 continue; 4354 } 4355 break; 4356 } 4357 4358 /* Make sure we have enough room for the new block */ 4359 copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i); 4360 memcpy(data + i, value, copy_len); 4361 } 4362 } 4363 return 0; 4364 } 4365 4366 static const struct ethtool_ops ice_ethtool_ops = { 4367 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 4368 ETHTOOL_COALESCE_USE_ADAPTIVE | 4369 ETHTOOL_COALESCE_RX_USECS_HIGH, 4370 .get_link_ksettings = ice_get_link_ksettings, 4371 .set_link_ksettings = ice_set_link_ksettings, 4372 .get_drvinfo = ice_get_drvinfo, 4373 .get_regs_len = ice_get_regs_len, 4374 .get_regs = ice_get_regs, 4375 .get_wol = ice_get_wol, 4376 .set_wol = ice_set_wol, 4377 .get_msglevel = ice_get_msglevel, 4378 .set_msglevel = ice_set_msglevel, 4379 .self_test = ice_self_test, 4380 .get_link = ethtool_op_get_link, 4381 .get_eeprom_len = ice_get_eeprom_len, 4382 .get_eeprom = ice_get_eeprom, 4383 .get_coalesce = ice_get_coalesce, 4384 .set_coalesce = ice_set_coalesce, 4385 .get_strings = ice_get_strings, 4386 .set_phys_id = ice_set_phys_id, 4387 .get_ethtool_stats = ice_get_ethtool_stats, 4388 .get_priv_flags = ice_get_priv_flags, 4389 .set_priv_flags = ice_set_priv_flags, 4390 .get_sset_count = ice_get_sset_count, 4391 .get_rxnfc = ice_get_rxnfc, 4392 .set_rxnfc = ice_set_rxnfc, 4393 .get_ringparam = ice_get_ringparam, 4394 .set_ringparam = ice_set_ringparam, 4395 .nway_reset = ice_nway_reset, 4396 .get_pauseparam = ice_get_pauseparam, 4397 .set_pauseparam = ice_set_pauseparam, 4398 .get_rxfh_key_size = ice_get_rxfh_key_size, 4399 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4400 .get_rxfh_context = ice_get_rxfh_context, 4401 .get_rxfh = ice_get_rxfh, 4402 .set_rxfh = ice_set_rxfh, 4403 .get_channels = ice_get_channels, 4404 .set_channels = ice_set_channels, 4405 .get_ts_info = ice_get_ts_info, 4406 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4407 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4408 .get_fecparam = ice_get_fecparam, 4409 .set_fecparam = ice_set_fecparam, 4410 .get_module_info = ice_get_module_info, 4411 .get_module_eeprom = ice_get_module_eeprom, 4412 }; 4413 4414 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4415 .get_link_ksettings = ice_get_link_ksettings, 4416 .set_link_ksettings = ice_set_link_ksettings, 4417 .get_drvinfo = ice_get_drvinfo, 4418 .get_regs_len = ice_get_regs_len, 4419 .get_regs = ice_get_regs, 4420 .get_wol = ice_get_wol, 4421 .set_wol = ice_set_wol, 4422 .get_msglevel = ice_get_msglevel, 4423 .set_msglevel = ice_set_msglevel, 4424 .get_link = ethtool_op_get_link, 4425 .get_eeprom_len = ice_get_eeprom_len, 4426 .get_eeprom = ice_get_eeprom, 4427 .get_strings = ice_get_strings, 4428 .get_ethtool_stats = ice_get_ethtool_stats, 4429 .get_sset_count = ice_get_sset_count, 4430 .get_ringparam = ice_get_ringparam, 4431 .set_ringparam = ice_set_ringparam, 4432 .nway_reset = ice_nway_reset, 4433 .get_channels = ice_get_channels, 4434 }; 4435 4436 /** 4437 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4438 * @netdev: network interface device structure 4439 */ 4440 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4441 { 4442 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4443 } 4444 4445 static const struct ethtool_ops ice_ethtool_repr_ops = { 4446 .get_drvinfo = ice_repr_get_drvinfo, 4447 .get_link = ethtool_op_get_link, 4448 .get_strings = ice_repr_get_strings, 4449 .get_ethtool_stats = ice_repr_get_ethtool_stats, 4450 .get_sset_count = ice_repr_get_sset_count, 4451 }; 4452 4453 /** 4454 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops 4455 * @netdev: network interface device structure 4456 */ 4457 void ice_set_ethtool_repr_ops(struct net_device *netdev) 4458 { 4459 netdev->ethtool_ops = &ice_ethtool_repr_ops; 4460 } 4461 4462 /** 4463 * ice_set_ethtool_ops - setup netdev ethtool ops 4464 * @netdev: network interface device structure 4465 * 4466 * setup netdev ethtool ops with ice specific ops 4467 */ 4468 void ice_set_ethtool_ops(struct net_device *netdev) 4469 { 4470 netdev->ethtool_ops = &ice_ethtool_ops; 4471 } 4472