1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 /* ethtool support for ice */ 5 6 #include "ice.h" 7 #include "ice_ethtool.h" 8 #include "ice_flow.h" 9 #include "ice_fltr.h" 10 #include "ice_lib.h" 11 #include "ice_dcb_lib.h" 12 #include <net/dcbnl.h> 13 14 struct ice_stats { 15 char stat_string[ETH_GSTRING_LEN]; 16 int sizeof_stat; 17 int stat_offset; 18 }; 19 20 #define ICE_STAT(_type, _name, _stat) { \ 21 .stat_string = _name, \ 22 .sizeof_stat = sizeof_field(_type, _stat), \ 23 .stat_offset = offsetof(_type, _stat) \ 24 } 25 26 #define ICE_VSI_STAT(_name, _stat) \ 27 ICE_STAT(struct ice_vsi, _name, _stat) 28 #define ICE_PF_STAT(_name, _stat) \ 29 ICE_STAT(struct ice_pf, _name, _stat) 30 31 static int ice_q_stats_len(struct net_device *netdev) 32 { 33 struct ice_netdev_priv *np = netdev_priv(netdev); 34 35 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 36 (sizeof(struct ice_q_stats) / sizeof(u64))); 37 } 38 39 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 40 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 41 42 #define ICE_PFC_STATS_LEN ( \ 43 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \ 44 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \ 45 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \ 46 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \ 47 / sizeof(u64)) 48 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 49 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 50 51 static const struct ice_stats ice_gstrings_vsi_stats[] = { 52 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 53 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 54 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 55 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 56 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 57 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 58 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 59 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 60 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 61 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 62 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 63 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 64 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 65 ICE_VSI_STAT("tx_linearize", tx_linearize), 66 ICE_VSI_STAT("tx_busy", tx_busy), 67 ICE_VSI_STAT("tx_restart", tx_restart), 68 }; 69 70 enum ice_ethtool_test_id { 71 ICE_ETH_TEST_REG = 0, 72 ICE_ETH_TEST_EEPROM, 73 ICE_ETH_TEST_INTR, 74 ICE_ETH_TEST_LOOP, 75 ICE_ETH_TEST_LINK, 76 }; 77 78 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 79 "Register test (offline)", 80 "EEPROM test (offline)", 81 "Interrupt test (offline)", 82 "Loopback test (offline)", 83 "Link test (on/offline)", 84 }; 85 86 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 87 88 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 89 * but they aren't. This device is capable of supporting multiple 90 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 91 * netdevs whereas the PF_STATs are for the physical function that's 92 * hosting these netdevs. 93 * 94 * The PF_STATs are appended to the netdev stats only when ethtool -S 95 * is queried on the base PF netdev. 96 */ 97 static const struct ice_stats ice_gstrings_pf_stats[] = { 98 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 99 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 100 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 101 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 102 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 103 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 104 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 105 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 106 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 107 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count), 108 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 109 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 110 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 111 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 112 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 113 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 114 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 115 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 116 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 117 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 118 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 119 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 120 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 121 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 122 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 123 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 124 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 125 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 126 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 127 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 128 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 129 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 130 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 131 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 132 ICE_PF_STAT("rx_eipe_error.nic", hw_rx_eipe_error), 133 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 134 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 135 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 136 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 137 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 138 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), 139 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), 140 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped), 141 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts), 142 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed), 143 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded), 144 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates), 145 }; 146 147 static const u32 ice_regs_dump_list[] = { 148 PFGEN_STATE, 149 PRTGEN_STATUS, 150 QRX_CTRL(0), 151 QINT_TQCTL(0), 152 QINT_RQCTL(0), 153 PFINT_OICR_ENA, 154 QRX_ITR(0), 155 #define GLDCB_TLPM_PCI_DM 0x000A0180 156 GLDCB_TLPM_PCI_DM, 157 #define GLDCB_TLPM_TC2PFC 0x000A0194 158 GLDCB_TLPM_TC2PFC, 159 #define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4)) 160 TCDCB_TLPM_WAIT_DM(0), 161 TCDCB_TLPM_WAIT_DM(1), 162 TCDCB_TLPM_WAIT_DM(2), 163 TCDCB_TLPM_WAIT_DM(3), 164 TCDCB_TLPM_WAIT_DM(4), 165 TCDCB_TLPM_WAIT_DM(5), 166 TCDCB_TLPM_WAIT_DM(6), 167 TCDCB_TLPM_WAIT_DM(7), 168 TCDCB_TLPM_WAIT_DM(8), 169 TCDCB_TLPM_WAIT_DM(9), 170 TCDCB_TLPM_WAIT_DM(10), 171 TCDCB_TLPM_WAIT_DM(11), 172 TCDCB_TLPM_WAIT_DM(12), 173 TCDCB_TLPM_WAIT_DM(13), 174 TCDCB_TLPM_WAIT_DM(14), 175 TCDCB_TLPM_WAIT_DM(15), 176 TCDCB_TLPM_WAIT_DM(16), 177 TCDCB_TLPM_WAIT_DM(17), 178 TCDCB_TLPM_WAIT_DM(18), 179 TCDCB_TLPM_WAIT_DM(19), 180 TCDCB_TLPM_WAIT_DM(20), 181 TCDCB_TLPM_WAIT_DM(21), 182 TCDCB_TLPM_WAIT_DM(22), 183 TCDCB_TLPM_WAIT_DM(23), 184 TCDCB_TLPM_WAIT_DM(24), 185 TCDCB_TLPM_WAIT_DM(25), 186 TCDCB_TLPM_WAIT_DM(26), 187 TCDCB_TLPM_WAIT_DM(27), 188 TCDCB_TLPM_WAIT_DM(28), 189 TCDCB_TLPM_WAIT_DM(29), 190 TCDCB_TLPM_WAIT_DM(30), 191 TCDCB_TLPM_WAIT_DM(31), 192 #define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90 193 GLPCI_WATMK_CLNT_PIPEMON, 194 #define GLPCI_CUR_CLNT_COMMON 0x000BFD84 195 GLPCI_CUR_CLNT_COMMON, 196 #define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88 197 GLPCI_CUR_CLNT_PIPEMON, 198 #define GLPCI_PCIERR 0x0009DEB0 199 GLPCI_PCIERR, 200 #define GLPSM_DEBUG_CTL_STATUS 0x000B0600 201 GLPSM_DEBUG_CTL_STATUS, 202 #define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680 203 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT, 204 #define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684 205 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT, 206 #define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688 207 GLPSM0_DEBUG_DT_OUT_OF_WINDOW, 208 #define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C 209 GLPSM0_DEBUG_INTF_HW_ERROR_DETECT, 210 #define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0 211 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT, 212 #define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80 213 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT, 214 #define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84 215 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT, 216 #define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88 217 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT, 218 #define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C 219 GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT, 220 #define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90 221 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT, 222 #define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680 223 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT, 224 #define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684 225 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT, 226 #define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688 227 GLPSM2_DEBUG_MISC_HW_ERROR_DETECT, 228 #define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4)) 229 GLTDPU_TCLAN_COMP_BOB(1), 230 GLTDPU_TCLAN_COMP_BOB(2), 231 GLTDPU_TCLAN_COMP_BOB(3), 232 GLTDPU_TCLAN_COMP_BOB(4), 233 GLTDPU_TCLAN_COMP_BOB(5), 234 GLTDPU_TCLAN_COMP_BOB(6), 235 GLTDPU_TCLAN_COMP_BOB(7), 236 GLTDPU_TCLAN_COMP_BOB(8), 237 #define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4)) 238 GLTDPU_TCB_CMD_BOB(1), 239 GLTDPU_TCB_CMD_BOB(2), 240 GLTDPU_TCB_CMD_BOB(3), 241 GLTDPU_TCB_CMD_BOB(4), 242 GLTDPU_TCB_CMD_BOB(5), 243 GLTDPU_TCB_CMD_BOB(6), 244 GLTDPU_TCB_CMD_BOB(7), 245 GLTDPU_TCB_CMD_BOB(8), 246 #define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4)) 247 GLTDPU_PSM_UPDATE_BOB(1), 248 GLTDPU_PSM_UPDATE_BOB(2), 249 GLTDPU_PSM_UPDATE_BOB(3), 250 GLTDPU_PSM_UPDATE_BOB(4), 251 GLTDPU_PSM_UPDATE_BOB(5), 252 GLTDPU_PSM_UPDATE_BOB(6), 253 GLTDPU_PSM_UPDATE_BOB(7), 254 GLTDPU_PSM_UPDATE_BOB(8), 255 #define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4)) 256 GLTCB_CMD_IN_BOB(1), 257 GLTCB_CMD_IN_BOB(2), 258 GLTCB_CMD_IN_BOB(3), 259 GLTCB_CMD_IN_BOB(4), 260 GLTCB_CMD_IN_BOB(5), 261 GLTCB_CMD_IN_BOB(6), 262 GLTCB_CMD_IN_BOB(7), 263 GLTCB_CMD_IN_BOB(8), 264 #define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4)) 265 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1), 266 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2), 267 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3), 268 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4), 269 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5), 270 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6), 271 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7), 272 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8), 273 #define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4)) 274 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1), 275 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2), 276 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3), 277 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4), 278 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5), 279 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6), 280 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7), 281 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8), 282 #define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4)) 283 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1), 284 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2), 285 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3), 286 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4), 287 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5), 288 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6), 289 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7), 290 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8), 291 #define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4)) 292 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1), 293 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2), 294 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3), 295 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4), 296 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5), 297 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6), 298 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7), 299 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8), 300 #define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4)) 301 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1), 302 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2), 303 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3), 304 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4), 305 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5), 306 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6), 307 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7), 308 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8), 309 #define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4)) 310 PRTDCB_TCUPM_REG_CM(0), 311 PRTDCB_TCUPM_REG_CM(1), 312 PRTDCB_TCUPM_REG_CM(2), 313 PRTDCB_TCUPM_REG_CM(3), 314 #define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4)) 315 PRTDCB_TCUPM_REG_DM(0), 316 PRTDCB_TCUPM_REG_DM(1), 317 PRTDCB_TCUPM_REG_DM(2), 318 PRTDCB_TCUPM_REG_DM(3), 319 #define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4)) 320 PRTDCB_TLPM_REG_DM(0), 321 PRTDCB_TLPM_REG_DM(1), 322 PRTDCB_TLPM_REG_DM(2), 323 PRTDCB_TLPM_REG_DM(3), 324 }; 325 326 struct ice_priv_flag { 327 char name[ETH_GSTRING_LEN]; 328 u32 bitno; /* bit position in pf->flags */ 329 }; 330 331 #define ICE_PRIV_FLAG(_name, _bitno) { \ 332 .name = _name, \ 333 .bitno = _bitno, \ 334 } 335 336 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 337 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 338 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 339 ICE_PRIV_FLAG("vf-true-promisc-support", 340 ICE_FLAG_VF_TRUE_PROMISC_ENA), 341 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 342 ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING), 343 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), 344 }; 345 346 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 347 348 static const u32 ice_adv_lnk_speed_100[] __initconst = { 349 ETHTOOL_LINK_MODE_100baseT_Full_BIT, 350 }; 351 352 static const u32 ice_adv_lnk_speed_1000[] __initconst = { 353 ETHTOOL_LINK_MODE_1000baseX_Full_BIT, 354 ETHTOOL_LINK_MODE_1000baseT_Full_BIT, 355 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, 356 }; 357 358 static const u32 ice_adv_lnk_speed_2500[] __initconst = { 359 ETHTOOL_LINK_MODE_2500baseT_Full_BIT, 360 ETHTOOL_LINK_MODE_2500baseX_Full_BIT, 361 }; 362 363 static const u32 ice_adv_lnk_speed_5000[] __initconst = { 364 ETHTOOL_LINK_MODE_5000baseT_Full_BIT, 365 }; 366 367 static const u32 ice_adv_lnk_speed_10000[] __initconst = { 368 ETHTOOL_LINK_MODE_10000baseT_Full_BIT, 369 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, 370 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, 371 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, 372 }; 373 374 static const u32 ice_adv_lnk_speed_25000[] __initconst = { 375 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, 376 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, 377 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, 378 }; 379 380 static const u32 ice_adv_lnk_speed_40000[] __initconst = { 381 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, 382 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, 383 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, 384 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, 385 }; 386 387 static const u32 ice_adv_lnk_speed_50000[] __initconst = { 388 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, 389 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, 390 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, 391 }; 392 393 static const u32 ice_adv_lnk_speed_100000[] __initconst = { 394 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, 395 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, 396 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, 397 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, 398 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT, 399 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT, 400 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT, 401 }; 402 403 static const u32 ice_adv_lnk_speed_200000[] __initconst = { 404 ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT, 405 ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT, 406 ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT, 407 ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT, 408 ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT, 409 }; 410 411 static struct ethtool_forced_speed_map ice_adv_lnk_speed_maps[] __ro_after_init = { 412 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100), 413 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 1000), 414 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 2500), 415 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 5000), 416 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 10000), 417 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 25000), 418 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 40000), 419 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 50000), 420 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100000), 421 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 200000), 422 }; 423 424 void __init ice_adv_lnk_speed_maps_init(void) 425 { 426 ethtool_forced_speed_maps_init(ice_adv_lnk_speed_maps, 427 ARRAY_SIZE(ice_adv_lnk_speed_maps)); 428 } 429 430 static void 431 __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo, 432 struct ice_vsi *vsi) 433 { 434 struct ice_pf *pf = vsi->back; 435 struct ice_hw *hw = &pf->hw; 436 struct ice_orom_info *orom; 437 struct ice_nvm_info *nvm; 438 439 nvm = &hw->flash.nvm; 440 orom = &hw->flash.orom; 441 442 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 443 444 /* Display NVM version (from which the firmware version can be 445 * determined) which contains more pertinent information. 446 */ 447 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 448 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor, 449 nvm->eetrack, orom->major, orom->build, orom->patch); 450 451 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 452 sizeof(drvinfo->bus_info)); 453 } 454 455 static void 456 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 457 { 458 struct ice_netdev_priv *np = netdev_priv(netdev); 459 460 __ice_get_drvinfo(netdev, drvinfo, np->vsi); 461 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 462 } 463 464 static int ice_get_regs_len(struct net_device __always_unused *netdev) 465 { 466 return (sizeof(ice_regs_dump_list) + 467 sizeof(struct ice_regdump_to_ethtool)); 468 } 469 470 /** 471 * ice_ethtool_get_maxspeed - Get the max speed for given lport 472 * @hw: pointer to the HW struct 473 * @lport: logical port for which max speed is requested 474 * @max_speed: return max speed for input lport 475 * 476 * Return: 0 on success, negative on failure. 477 */ 478 static int ice_ethtool_get_maxspeed(struct ice_hw *hw, u8 lport, u8 *max_speed) 479 { 480 struct ice_aqc_get_port_options_elem options[ICE_AQC_PORT_OPT_MAX] = {}; 481 bool active_valid = false, pending_valid = true; 482 u8 option_count = ICE_AQC_PORT_OPT_MAX; 483 u8 active_idx = 0, pending_idx = 0; 484 int status; 485 486 status = ice_aq_get_port_options(hw, options, &option_count, lport, 487 true, &active_idx, &active_valid, 488 &pending_idx, &pending_valid); 489 if (status) 490 return -EIO; 491 if (!active_valid) 492 return -EINVAL; 493 494 *max_speed = options[active_idx].max_lane_speed & ICE_AQC_PORT_OPT_MAX_LANE_M; 495 return 0; 496 } 497 498 /** 499 * ice_is_serdes_muxed - returns whether serdes is muxed in hardware 500 * @hw: pointer to the HW struct 501 * 502 * Return: true when serdes is muxed, false when serdes is not muxed. 503 */ 504 static bool ice_is_serdes_muxed(struct ice_hw *hw) 505 { 506 u32 reg_value = rd32(hw, GLGEN_SWITCH_MODE_CONFIG); 507 508 return FIELD_GET(GLGEN_SWITCH_MODE_CONFIG_25X4_QUAD_M, reg_value); 509 } 510 511 static int ice_map_port_topology_for_sfp(struct ice_port_topology *port_topology, 512 u8 lport, bool is_muxed) 513 { 514 switch (lport) { 515 case 0: 516 port_topology->pcs_quad_select = 0; 517 port_topology->pcs_port = 0; 518 port_topology->primary_serdes_lane = 0; 519 break; 520 case 1: 521 port_topology->pcs_quad_select = 1; 522 port_topology->pcs_port = 0; 523 if (is_muxed) 524 port_topology->primary_serdes_lane = 2; 525 else 526 port_topology->primary_serdes_lane = 4; 527 break; 528 case 2: 529 port_topology->pcs_quad_select = 0; 530 port_topology->pcs_port = 1; 531 port_topology->primary_serdes_lane = 1; 532 break; 533 case 3: 534 port_topology->pcs_quad_select = 1; 535 port_topology->pcs_port = 1; 536 if (is_muxed) 537 port_topology->primary_serdes_lane = 3; 538 else 539 port_topology->primary_serdes_lane = 5; 540 break; 541 case 4: 542 port_topology->pcs_quad_select = 0; 543 port_topology->pcs_port = 2; 544 port_topology->primary_serdes_lane = 2; 545 break; 546 case 5: 547 port_topology->pcs_quad_select = 1; 548 port_topology->pcs_port = 2; 549 port_topology->primary_serdes_lane = 6; 550 break; 551 case 6: 552 port_topology->pcs_quad_select = 0; 553 port_topology->pcs_port = 3; 554 port_topology->primary_serdes_lane = 3; 555 break; 556 case 7: 557 port_topology->pcs_quad_select = 1; 558 port_topology->pcs_port = 3; 559 port_topology->primary_serdes_lane = 7; 560 break; 561 default: 562 return -EINVAL; 563 } 564 565 return 0; 566 } 567 568 static int ice_map_port_topology_for_qsfp(struct ice_port_topology *port_topology, 569 u8 lport, bool is_muxed) 570 { 571 switch (lport) { 572 case 0: 573 port_topology->pcs_quad_select = 0; 574 port_topology->pcs_port = 0; 575 port_topology->primary_serdes_lane = 0; 576 break; 577 case 1: 578 port_topology->pcs_quad_select = 1; 579 port_topology->pcs_port = 0; 580 if (is_muxed) 581 port_topology->primary_serdes_lane = 2; 582 else 583 port_topology->primary_serdes_lane = 4; 584 break; 585 case 2: 586 port_topology->pcs_quad_select = 0; 587 port_topology->pcs_port = 1; 588 port_topology->primary_serdes_lane = 1; 589 break; 590 case 3: 591 port_topology->pcs_quad_select = 1; 592 port_topology->pcs_port = 1; 593 if (is_muxed) 594 port_topology->primary_serdes_lane = 3; 595 else 596 port_topology->primary_serdes_lane = 5; 597 break; 598 case 4: 599 port_topology->pcs_quad_select = 0; 600 port_topology->pcs_port = 2; 601 port_topology->primary_serdes_lane = 2; 602 break; 603 case 5: 604 port_topology->pcs_quad_select = 1; 605 port_topology->pcs_port = 2; 606 port_topology->primary_serdes_lane = 6; 607 break; 608 case 6: 609 port_topology->pcs_quad_select = 0; 610 port_topology->pcs_port = 3; 611 port_topology->primary_serdes_lane = 3; 612 break; 613 case 7: 614 port_topology->pcs_quad_select = 1; 615 port_topology->pcs_port = 3; 616 port_topology->primary_serdes_lane = 7; 617 break; 618 default: 619 return -EINVAL; 620 } 621 622 return 0; 623 } 624 625 /** 626 * ice_get_port_topology - returns physical topology like pcsquad, pcsport, 627 * serdes number 628 * @hw: pointer to the HW struct 629 * @lport: logical port for which physical info requested 630 * @port_topology: buffer to hold port topology 631 * 632 * Return: 0 on success, negative on failure. 633 */ 634 static int ice_get_port_topology(struct ice_hw *hw, u8 lport, 635 struct ice_port_topology *port_topology) 636 { 637 struct ice_aqc_get_link_topo cmd = {}; 638 u16 node_handle = 0; 639 u8 cage_type = 0; 640 bool is_muxed; 641 int err; 642 u8 ctx; 643 644 ctx = ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE << ICE_AQC_LINK_TOPO_NODE_TYPE_S; 645 ctx |= ICE_AQC_LINK_TOPO_NODE_CTX_PORT << ICE_AQC_LINK_TOPO_NODE_CTX_S; 646 cmd.addr.topo_params.node_type_ctx = ctx; 647 648 err = ice_aq_get_netlist_node(hw, &cmd, &cage_type, &node_handle); 649 if (err) 650 return -EINVAL; 651 652 is_muxed = ice_is_serdes_muxed(hw); 653 654 if (cage_type == 0x11 || /* SFP+ */ 655 cage_type == 0x12) { /* SFP28 */ 656 port_topology->serdes_lane_count = 1; 657 err = ice_map_port_topology_for_sfp(port_topology, lport, is_muxed); 658 if (err) 659 return err; 660 } else if (cage_type == 0x13 || /* QSFP */ 661 cage_type == 0x14) { /* QSFP28 */ 662 u8 max_speed = 0; 663 664 err = ice_ethtool_get_maxspeed(hw, lport, &max_speed); 665 if (err) 666 return err; 667 668 if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_100G) 669 port_topology->serdes_lane_count = 4; 670 else if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_50G || 671 max_speed == ICE_AQC_PORT_OPT_MAX_LANE_40G) 672 port_topology->serdes_lane_count = 2; 673 else 674 port_topology->serdes_lane_count = 1; 675 676 err = ice_map_port_topology_for_qsfp(port_topology, lport, is_muxed); 677 if (err) 678 return err; 679 } else { 680 return -EINVAL; 681 } 682 683 return 0; 684 } 685 686 /** 687 * ice_get_tx_rx_equa - read serdes tx rx equaliser param 688 * @hw: pointer to the HW struct 689 * @serdes_num: represents the serdes number 690 * @ptr: structure to read all serdes parameter for given serdes 691 * 692 * Return: all serdes equalization parameter supported per serdes number 693 */ 694 static int ice_get_tx_rx_equa(struct ice_hw *hw, u8 serdes_num, 695 struct ice_serdes_equalization_to_ethtool *ptr) 696 { 697 static const int tx = ICE_AQC_OP_CODE_TX_EQU; 698 static const int rx = ICE_AQC_OP_CODE_RX_EQU; 699 struct { 700 int data_in; 701 int opcode; 702 int *out; 703 } aq_params[] = { 704 { ICE_AQC_TX_EQU_PRE1, tx, &ptr->tx_equ_pre1 }, 705 { ICE_AQC_TX_EQU_PRE3, tx, &ptr->tx_equ_pre3 }, 706 { ICE_AQC_TX_EQU_ATTEN, tx, &ptr->tx_equ_atten }, 707 { ICE_AQC_TX_EQU_POST1, tx, &ptr->tx_equ_post1 }, 708 { ICE_AQC_TX_EQU_PRE2, tx, &ptr->tx_equ_pre2 }, 709 { ICE_AQC_RX_EQU_PRE2, rx, &ptr->rx_equ_pre2 }, 710 { ICE_AQC_RX_EQU_PRE1, rx, &ptr->rx_equ_pre1 }, 711 { ICE_AQC_RX_EQU_POST1, rx, &ptr->rx_equ_post1 }, 712 { ICE_AQC_RX_EQU_BFLF, rx, &ptr->rx_equ_bflf }, 713 { ICE_AQC_RX_EQU_BFHF, rx, &ptr->rx_equ_bfhf }, 714 { ICE_AQC_RX_EQU_CTLE_GAINHF, rx, &ptr->rx_equ_ctle_gainhf }, 715 { ICE_AQC_RX_EQU_CTLE_GAINLF, rx, &ptr->rx_equ_ctle_gainlf }, 716 { ICE_AQC_RX_EQU_CTLE_GAINDC, rx, &ptr->rx_equ_ctle_gaindc }, 717 { ICE_AQC_RX_EQU_CTLE_BW, rx, &ptr->rx_equ_ctle_bw }, 718 { ICE_AQC_RX_EQU_DFE_GAIN, rx, &ptr->rx_equ_dfe_gain }, 719 { ICE_AQC_RX_EQU_DFE_GAIN2, rx, &ptr->rx_equ_dfe_gain_2 }, 720 { ICE_AQC_RX_EQU_DFE_2, rx, &ptr->rx_equ_dfe_2 }, 721 { ICE_AQC_RX_EQU_DFE_3, rx, &ptr->rx_equ_dfe_3 }, 722 { ICE_AQC_RX_EQU_DFE_4, rx, &ptr->rx_equ_dfe_4 }, 723 { ICE_AQC_RX_EQU_DFE_5, rx, &ptr->rx_equ_dfe_5 }, 724 { ICE_AQC_RX_EQU_DFE_6, rx, &ptr->rx_equ_dfe_6 }, 725 { ICE_AQC_RX_EQU_DFE_7, rx, &ptr->rx_equ_dfe_7 }, 726 { ICE_AQC_RX_EQU_DFE_8, rx, &ptr->rx_equ_dfe_8 }, 727 { ICE_AQC_RX_EQU_DFE_9, rx, &ptr->rx_equ_dfe_9 }, 728 { ICE_AQC_RX_EQU_DFE_10, rx, &ptr->rx_equ_dfe_10 }, 729 { ICE_AQC_RX_EQU_DFE_11, rx, &ptr->rx_equ_dfe_11 }, 730 { ICE_AQC_RX_EQU_DFE_12, rx, &ptr->rx_equ_dfe_12 }, 731 }; 732 int err; 733 734 for (int i = 0; i < ARRAY_SIZE(aq_params); i++) { 735 err = ice_aq_get_phy_equalization(hw, aq_params[i].data_in, 736 aq_params[i].opcode, 737 serdes_num, aq_params[i].out); 738 if (err) 739 break; 740 } 741 742 return err; 743 } 744 745 /** 746 * ice_get_extended_regs - returns FEC correctable, uncorrectable stats per 747 * pcsquad, pcsport 748 * @netdev: pointer to net device structure 749 * @p: output buffer to fill requested register dump 750 * 751 * Return: 0 on success, negative on failure. 752 */ 753 static int ice_get_extended_regs(struct net_device *netdev, void *p) 754 { 755 struct ice_netdev_priv *np = netdev_priv(netdev); 756 struct ice_regdump_to_ethtool *ice_prv_regs_buf; 757 struct ice_port_topology port_topology = {}; 758 struct ice_port_info *pi; 759 struct ice_pf *pf; 760 struct ice_hw *hw; 761 unsigned int i; 762 int err; 763 764 pf = np->vsi->back; 765 hw = &pf->hw; 766 pi = np->vsi->port_info; 767 768 /* Serdes parameters are not supported if not the PF VSI */ 769 if (np->vsi->type != ICE_VSI_PF || !pi) 770 return -EINVAL; 771 772 err = ice_get_port_topology(hw, pi->lport, &port_topology); 773 if (err) 774 return -EINVAL; 775 if (port_topology.serdes_lane_count > 4) 776 return -EINVAL; 777 778 ice_prv_regs_buf = p; 779 780 /* Get serdes equalization parameter for available serdes */ 781 for (i = 0; i < port_topology.serdes_lane_count; i++) { 782 u8 serdes_num = 0; 783 784 serdes_num = port_topology.primary_serdes_lane + i; 785 err = ice_get_tx_rx_equa(hw, serdes_num, 786 &ice_prv_regs_buf->equalization[i]); 787 if (err) 788 return -EINVAL; 789 } 790 791 return 0; 792 } 793 794 static void 795 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 796 { 797 struct ice_pf *pf = ice_netdev_to_pf(netdev); 798 struct ice_hw *hw = &pf->hw; 799 u32 *regs_buf = (u32 *)p; 800 unsigned int i; 801 802 regs->version = 2; 803 804 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 805 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 806 807 ice_get_extended_regs(netdev, (void *)®s_buf[i]); 808 } 809 810 static u32 ice_get_msglevel(struct net_device *netdev) 811 { 812 struct ice_pf *pf = ice_netdev_to_pf(netdev); 813 814 #ifndef CONFIG_DYNAMIC_DEBUG 815 if (pf->hw.debug_mask) 816 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 817 pf->hw.debug_mask); 818 #endif /* !CONFIG_DYNAMIC_DEBUG */ 819 820 return pf->msg_enable; 821 } 822 823 static void ice_set_msglevel(struct net_device *netdev, u32 data) 824 { 825 struct ice_pf *pf = ice_netdev_to_pf(netdev); 826 827 #ifndef CONFIG_DYNAMIC_DEBUG 828 if (ICE_DBG_USER & data) 829 pf->hw.debug_mask = data; 830 else 831 pf->msg_enable = data; 832 #else 833 pf->msg_enable = data; 834 #endif /* !CONFIG_DYNAMIC_DEBUG */ 835 } 836 837 static void ice_get_link_ext_stats(struct net_device *netdev, 838 struct ethtool_link_ext_stats *stats) 839 { 840 struct ice_pf *pf = ice_netdev_to_pf(netdev); 841 842 stats->link_down_events = pf->link_down_events; 843 } 844 845 static int ice_get_eeprom_len(struct net_device *netdev) 846 { 847 struct ice_pf *pf = ice_netdev_to_pf(netdev); 848 849 return (int)pf->hw.flash.flash_size; 850 } 851 852 static int 853 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 854 u8 *bytes) 855 { 856 struct ice_pf *pf = ice_netdev_to_pf(netdev); 857 struct ice_hw *hw = &pf->hw; 858 struct device *dev; 859 int ret; 860 u8 *buf; 861 862 dev = ice_pf_to_dev(pf); 863 864 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 865 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 866 eeprom->cmd, eeprom->offset, eeprom->len); 867 868 buf = kzalloc(eeprom->len, GFP_KERNEL); 869 if (!buf) 870 return -ENOMEM; 871 872 ret = ice_acquire_nvm(hw, ICE_RES_READ); 873 if (ret) { 874 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n", 875 ret, libie_aq_str(hw->adminq.sq_last_status)); 876 goto out; 877 } 878 879 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 880 false); 881 if (ret) { 882 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n", 883 ret, libie_aq_str(hw->adminq.sq_last_status)); 884 goto release; 885 } 886 887 memcpy(bytes, buf, eeprom->len); 888 release: 889 ice_release_nvm(hw); 890 out: 891 kfree(buf); 892 return ret; 893 } 894 895 /** 896 * ice_active_vfs - check if there are any active VFs 897 * @pf: board private structure 898 * 899 * Returns true if an active VF is found, otherwise returns false 900 */ 901 static bool ice_active_vfs(struct ice_pf *pf) 902 { 903 bool active = false; 904 struct ice_vf *vf; 905 unsigned int bkt; 906 907 rcu_read_lock(); 908 ice_for_each_vf_rcu(pf, bkt, vf) { 909 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 910 active = true; 911 break; 912 } 913 } 914 rcu_read_unlock(); 915 916 return active; 917 } 918 919 /** 920 * ice_link_test - perform a link test on a given net_device 921 * @netdev: network interface device structure 922 * 923 * This function performs one of the self-tests required by ethtool. 924 * Returns 0 on success, non-zero on failure. 925 */ 926 static u64 ice_link_test(struct net_device *netdev) 927 { 928 struct ice_netdev_priv *np = netdev_priv(netdev); 929 bool link_up = false; 930 int status; 931 932 netdev_info(netdev, "link test\n"); 933 status = ice_get_link_status(np->vsi->port_info, &link_up); 934 if (status) { 935 netdev_err(netdev, "link query error, status = %d\n", 936 status); 937 return 1; 938 } 939 940 if (!link_up) 941 return 2; 942 943 return 0; 944 } 945 946 /** 947 * ice_eeprom_test - perform an EEPROM test on a given net_device 948 * @netdev: network interface device structure 949 * 950 * This function performs one of the self-tests required by ethtool. 951 * Returns 0 on success, non-zero on failure. 952 */ 953 static u64 ice_eeprom_test(struct net_device *netdev) 954 { 955 struct ice_pf *pf = ice_netdev_to_pf(netdev); 956 957 netdev_info(netdev, "EEPROM test\n"); 958 return !!(ice_nvm_validate_checksum(&pf->hw)); 959 } 960 961 /** 962 * ice_reg_pattern_test 963 * @hw: pointer to the HW struct 964 * @reg: reg to be tested 965 * @mask: bits to be touched 966 */ 967 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 968 { 969 struct ice_pf *pf = (struct ice_pf *)hw->back; 970 struct device *dev = ice_pf_to_dev(pf); 971 static const u32 patterns[] = { 972 0x5A5A5A5A, 0xA5A5A5A5, 973 0x00000000, 0xFFFFFFFF 974 }; 975 u32 val, orig_val; 976 unsigned int i; 977 978 orig_val = rd32(hw, reg); 979 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 980 u32 pattern = patterns[i] & mask; 981 982 wr32(hw, reg, pattern); 983 val = rd32(hw, reg); 984 if (val == pattern) 985 continue; 986 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 987 , __func__, reg, pattern, val); 988 return 1; 989 } 990 991 wr32(hw, reg, orig_val); 992 val = rd32(hw, reg); 993 if (val != orig_val) { 994 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 995 , __func__, reg, orig_val, val); 996 return 1; 997 } 998 999 return 0; 1000 } 1001 1002 /** 1003 * ice_reg_test - perform a register test on a given net_device 1004 * @netdev: network interface device structure 1005 * 1006 * This function performs one of the self-tests required by ethtool. 1007 * Returns 0 on success, non-zero on failure. 1008 */ 1009 static u64 ice_reg_test(struct net_device *netdev) 1010 { 1011 struct ice_netdev_priv *np = netdev_priv(netdev); 1012 struct ice_hw *hw = np->vsi->port_info->hw; 1013 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 1014 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 1015 struct ice_diag_reg_test_info { 1016 u32 address; 1017 u32 mask; 1018 u32 elem_num; 1019 u32 elem_size; 1020 } ice_reg_list[] = { 1021 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 1022 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 1023 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 1024 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 1025 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 1026 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 1027 {GLINT_CTL, 0xffff0001, 1, 0} 1028 }; 1029 unsigned int i; 1030 1031 netdev_dbg(netdev, "Register test\n"); 1032 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 1033 u32 j; 1034 1035 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 1036 u32 mask = ice_reg_list[i].mask; 1037 u32 reg = ice_reg_list[i].address + 1038 (j * ice_reg_list[i].elem_size); 1039 1040 /* bail on failure (non-zero return) */ 1041 if (ice_reg_pattern_test(hw, reg, mask)) 1042 return 1; 1043 } 1044 } 1045 1046 return 0; 1047 } 1048 1049 /** 1050 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 1051 * @vsi: pointer to the VSI structure 1052 * 1053 * Function configures rings of a VSI for loopback test without 1054 * enabling interrupts or informing the kernel about new queues. 1055 * 1056 * Returns 0 on success, negative on failure. 1057 */ 1058 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 1059 { 1060 int status; 1061 1062 status = ice_vsi_setup_tx_rings(vsi); 1063 if (status) 1064 goto err_setup_tx_ring; 1065 1066 status = ice_vsi_setup_rx_rings(vsi); 1067 if (status) 1068 goto err_setup_rx_ring; 1069 1070 status = ice_vsi_cfg_lan(vsi); 1071 if (status) 1072 goto err_setup_rx_ring; 1073 1074 status = ice_vsi_start_all_rx_rings(vsi); 1075 if (status) 1076 goto err_start_rx_ring; 1077 1078 return 0; 1079 1080 err_start_rx_ring: 1081 ice_vsi_free_rx_rings(vsi); 1082 err_setup_rx_ring: 1083 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 1084 err_setup_tx_ring: 1085 ice_vsi_free_tx_rings(vsi); 1086 1087 return status; 1088 } 1089 1090 /** 1091 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 1092 * @vsi: pointer to the VSI structure 1093 * 1094 * Function stops and frees VSI rings after a loopback test. 1095 * Returns 0 on success, negative on failure. 1096 */ 1097 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 1098 { 1099 int status; 1100 1101 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 1102 if (status) 1103 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 1104 vsi->vsi_num, status); 1105 1106 status = ice_vsi_stop_all_rx_rings(vsi); 1107 if (status) 1108 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 1109 vsi->vsi_num, status); 1110 1111 ice_vsi_free_tx_rings(vsi); 1112 ice_vsi_free_rx_rings(vsi); 1113 1114 return status; 1115 } 1116 1117 /** 1118 * ice_lbtest_create_frame - create test packet 1119 * @pf: pointer to the PF structure 1120 * @ret_data: allocated frame buffer 1121 * @size: size of the packet data 1122 * 1123 * Function allocates a frame with a test pattern on specific offsets. 1124 * Returns 0 on success, non-zero on failure. 1125 */ 1126 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 1127 { 1128 u8 *data; 1129 1130 if (!pf) 1131 return -EINVAL; 1132 1133 data = kzalloc(size, GFP_KERNEL); 1134 if (!data) 1135 return -ENOMEM; 1136 1137 /* Since the ethernet test frame should always be at least 1138 * 64 bytes long, fill some octets in the payload with test data. 1139 */ 1140 memset(data, 0xFF, size); 1141 data[32] = 0xDE; 1142 data[42] = 0xAD; 1143 data[44] = 0xBE; 1144 data[46] = 0xEF; 1145 1146 *ret_data = data; 1147 1148 return 0; 1149 } 1150 1151 /** 1152 * ice_lbtest_check_frame - verify received loopback frame 1153 * @frame: pointer to the raw packet data 1154 * 1155 * Function verifies received test frame with a pattern. 1156 * Returns true if frame matches the pattern, false otherwise. 1157 */ 1158 static bool ice_lbtest_check_frame(u8 *frame) 1159 { 1160 /* Validate bytes of a frame under offsets chosen earlier */ 1161 if (frame[32] == 0xDE && 1162 frame[42] == 0xAD && 1163 frame[44] == 0xBE && 1164 frame[46] == 0xEF && 1165 frame[48] == 0xFF) 1166 return true; 1167 1168 return false; 1169 } 1170 1171 /** 1172 * ice_diag_send - send test frames to the test ring 1173 * @tx_ring: pointer to the transmit ring 1174 * @data: pointer to the raw packet data 1175 * @size: size of the packet to send 1176 * 1177 * Function sends loopback packets on a test Tx ring. 1178 */ 1179 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size) 1180 { 1181 struct ice_tx_desc *tx_desc; 1182 struct ice_tx_buf *tx_buf; 1183 dma_addr_t dma; 1184 u64 td_cmd; 1185 1186 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 1187 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 1188 1189 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 1190 if (dma_mapping_error(tx_ring->dev, dma)) 1191 return -EINVAL; 1192 1193 tx_desc->buf_addr = cpu_to_le64(dma); 1194 1195 /* These flags are required for a descriptor to be pushed out */ 1196 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 1197 tx_desc->cmd_type_offset_bsz = 1198 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 1199 (td_cmd << ICE_TXD_QW1_CMD_S) | 1200 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 1201 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 1202 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 1203 1204 tx_buf->next_to_watch = tx_desc; 1205 1206 /* Force memory write to complete before letting h/w know 1207 * there are new descriptors to fetch. 1208 */ 1209 wmb(); 1210 1211 tx_ring->next_to_use++; 1212 if (tx_ring->next_to_use >= tx_ring->count) 1213 tx_ring->next_to_use = 0; 1214 1215 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 1216 1217 /* Wait until the packets get transmitted to the receive queue. */ 1218 usleep_range(1000, 2000); 1219 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 1220 1221 return 0; 1222 } 1223 1224 #define ICE_LB_FRAME_SIZE 64 1225 /** 1226 * ice_lbtest_receive_frames - receive and verify test frames 1227 * @rx_ring: pointer to the receive ring 1228 * 1229 * Function receives loopback packets and verify their correctness. 1230 * Returns number of received valid frames. 1231 */ 1232 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring) 1233 { 1234 struct ice_rx_buf *rx_buf; 1235 int valid_frames, i; 1236 u8 *received_buf; 1237 1238 valid_frames = 0; 1239 1240 for (i = 0; i < rx_ring->count; i++) { 1241 union ice_32b_rx_flex_desc *rx_desc; 1242 1243 rx_desc = ICE_RX_DESC(rx_ring, i); 1244 1245 if (!(rx_desc->wb.status_error0 & 1246 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) | 1247 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S))))) 1248 continue; 1249 1250 rx_buf = &rx_ring->rx_buf[i]; 1251 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 1252 1253 if (ice_lbtest_check_frame(received_buf)) 1254 valid_frames++; 1255 } 1256 1257 return valid_frames; 1258 } 1259 1260 /** 1261 * ice_loopback_test - perform a loopback test on a given net_device 1262 * @netdev: network interface device structure 1263 * 1264 * This function performs one of the self-tests required by ethtool. 1265 * Returns 0 on success, non-zero on failure. 1266 */ 1267 static u64 ice_loopback_test(struct net_device *netdev) 1268 { 1269 struct ice_pf *pf = ice_netdev_to_pf(netdev); 1270 struct ice_vsi *test_vsi; 1271 u8 *tx_frame __free(kfree) = NULL; 1272 u8 broadcast[ETH_ALEN], ret = 0; 1273 int num_frames, valid_frames; 1274 struct ice_tx_ring *tx_ring; 1275 struct ice_rx_ring *rx_ring; 1276 int i; 1277 1278 netdev_info(netdev, "loopback test\n"); 1279 1280 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 1281 if (!test_vsi) { 1282 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 1283 return 1; 1284 } 1285 1286 test_vsi->netdev = netdev; 1287 tx_ring = test_vsi->tx_rings[0]; 1288 rx_ring = test_vsi->rx_rings[0]; 1289 1290 if (ice_lbtest_prepare_rings(test_vsi)) { 1291 ret = 2; 1292 goto lbtest_vsi_close; 1293 } 1294 1295 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 1296 ret = 3; 1297 goto lbtest_rings_dis; 1298 } 1299 1300 /* Enable MAC loopback in firmware */ 1301 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 1302 ret = 4; 1303 goto lbtest_mac_dis; 1304 } 1305 1306 /* Test VSI needs to receive broadcast packets */ 1307 eth_broadcast_addr(broadcast); 1308 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 1309 ret = 5; 1310 goto lbtest_mac_dis; 1311 } 1312 1313 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 1314 ret = 7; 1315 goto remove_mac_filters; 1316 } 1317 1318 num_frames = min_t(int, tx_ring->count, 32); 1319 for (i = 0; i < num_frames; i++) { 1320 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 1321 ret = 8; 1322 goto remove_mac_filters; 1323 } 1324 } 1325 1326 valid_frames = ice_lbtest_receive_frames(rx_ring); 1327 if (!valid_frames) 1328 ret = 9; 1329 else if (valid_frames != num_frames) 1330 ret = 10; 1331 1332 remove_mac_filters: 1333 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 1334 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 1335 lbtest_mac_dis: 1336 /* Disable MAC loopback after the test is completed. */ 1337 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 1338 netdev_err(netdev, "Could not disable MAC loopback\n"); 1339 lbtest_rings_dis: 1340 if (ice_lbtest_disable_rings(test_vsi)) 1341 netdev_err(netdev, "Could not disable test rings\n"); 1342 lbtest_vsi_close: 1343 test_vsi->netdev = NULL; 1344 if (ice_vsi_release(test_vsi)) 1345 netdev_err(netdev, "Failed to remove the test VSI\n"); 1346 1347 return ret; 1348 } 1349 1350 /** 1351 * ice_intr_test - perform an interrupt test on a given net_device 1352 * @netdev: network interface device structure 1353 * 1354 * This function performs one of the self-tests required by ethtool. 1355 * Returns 0 on success, non-zero on failure. 1356 */ 1357 static u64 ice_intr_test(struct net_device *netdev) 1358 { 1359 struct ice_pf *pf = ice_netdev_to_pf(netdev); 1360 u16 swic_old = pf->sw_int_count; 1361 1362 netdev_info(netdev, "interrupt test\n"); 1363 1364 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index), 1365 GLINT_DYN_CTL_SW_ITR_INDX_M | 1366 GLINT_DYN_CTL_INTENA_MSK_M | 1367 GLINT_DYN_CTL_SWINT_TRIG_M); 1368 1369 usleep_range(1000, 2000); 1370 return (swic_old == pf->sw_int_count); 1371 } 1372 1373 /** 1374 * ice_self_test - handler function for performing a self-test by ethtool 1375 * @netdev: network interface device structure 1376 * @eth_test: ethtool_test structure 1377 * @data: required by ethtool.self_test 1378 * 1379 * This function is called after invoking 'ethtool -t devname' command where 1380 * devname is the name of the network device on which ethtool should operate. 1381 * It performs a set of self-tests to check if a device works properly. 1382 */ 1383 static void 1384 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 1385 u64 *data) 1386 { 1387 struct ice_pf *pf = ice_netdev_to_pf(netdev); 1388 bool if_running = netif_running(netdev); 1389 struct device *dev; 1390 1391 dev = ice_pf_to_dev(pf); 1392 1393 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1394 netdev_info(netdev, "offline testing starting\n"); 1395 1396 set_bit(ICE_TESTING, pf->state); 1397 1398 if (ice_active_vfs(pf)) { 1399 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 1400 data[ICE_ETH_TEST_REG] = 1; 1401 data[ICE_ETH_TEST_EEPROM] = 1; 1402 data[ICE_ETH_TEST_INTR] = 1; 1403 data[ICE_ETH_TEST_LOOP] = 1; 1404 data[ICE_ETH_TEST_LINK] = 1; 1405 eth_test->flags |= ETH_TEST_FL_FAILED; 1406 clear_bit(ICE_TESTING, pf->state); 1407 goto skip_ol_tests; 1408 } 1409 /* If the device is online then take it offline */ 1410 if (if_running) 1411 /* indicate we're in test mode */ 1412 ice_stop(netdev); 1413 1414 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1415 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 1416 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 1417 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 1418 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 1419 1420 if (data[ICE_ETH_TEST_LINK] || 1421 data[ICE_ETH_TEST_EEPROM] || 1422 data[ICE_ETH_TEST_LOOP] || 1423 data[ICE_ETH_TEST_INTR] || 1424 data[ICE_ETH_TEST_REG]) 1425 eth_test->flags |= ETH_TEST_FL_FAILED; 1426 1427 clear_bit(ICE_TESTING, pf->state); 1428 1429 if (if_running) { 1430 int status = ice_open(netdev); 1431 1432 if (status) { 1433 dev_err(dev, "Could not open device %s, err %d\n", 1434 pf->int_name, status); 1435 } 1436 } 1437 } else { 1438 /* Online tests */ 1439 netdev_info(netdev, "online testing starting\n"); 1440 1441 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1442 if (data[ICE_ETH_TEST_LINK]) 1443 eth_test->flags |= ETH_TEST_FL_FAILED; 1444 1445 /* Offline only tests, not run in online; pass by default */ 1446 data[ICE_ETH_TEST_REG] = 0; 1447 data[ICE_ETH_TEST_EEPROM] = 0; 1448 data[ICE_ETH_TEST_INTR] = 0; 1449 data[ICE_ETH_TEST_LOOP] = 0; 1450 } 1451 1452 skip_ol_tests: 1453 netdev_info(netdev, "testing finished\n"); 1454 } 1455 1456 static void 1457 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data, 1458 struct ice_vsi *vsi) 1459 { 1460 unsigned int i; 1461 u8 *p = data; 1462 1463 switch (stringset) { 1464 case ETH_SS_STATS: 1465 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 1466 ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string); 1467 1468 if (ice_is_port_repr_netdev(netdev)) 1469 return; 1470 1471 ice_for_each_alloc_txq(vsi, i) { 1472 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 1473 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 1474 } 1475 1476 ice_for_each_alloc_rxq(vsi, i) { 1477 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 1478 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 1479 } 1480 1481 if (vsi->type != ICE_VSI_PF) 1482 return; 1483 1484 for (i = 0; i < ICE_PF_STATS_LEN; i++) 1485 ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string); 1486 1487 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1488 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 1489 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 1490 } 1491 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1492 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 1493 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 1494 } 1495 break; 1496 case ETH_SS_TEST: 1497 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 1498 break; 1499 case ETH_SS_PRIV_FLAGS: 1500 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 1501 ethtool_puts(&p, ice_gstrings_priv_flags[i].name); 1502 break; 1503 default: 1504 break; 1505 } 1506 } 1507 1508 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 1509 { 1510 struct ice_netdev_priv *np = netdev_priv(netdev); 1511 1512 __ice_get_strings(netdev, stringset, data, np->vsi); 1513 } 1514 1515 static int 1516 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 1517 { 1518 struct ice_netdev_priv *np = netdev_priv(netdev); 1519 bool led_active; 1520 1521 switch (state) { 1522 case ETHTOOL_ID_ACTIVE: 1523 led_active = true; 1524 break; 1525 case ETHTOOL_ID_INACTIVE: 1526 led_active = false; 1527 break; 1528 default: 1529 return -EINVAL; 1530 } 1531 1532 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 1533 return -EIO; 1534 1535 return 0; 1536 } 1537 1538 /** 1539 * ice_set_fec_cfg - Set link FEC options 1540 * @netdev: network interface device structure 1541 * @req_fec: FEC mode to configure 1542 */ 1543 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 1544 { 1545 struct ice_netdev_priv *np = netdev_priv(netdev); 1546 struct ice_aqc_set_phy_cfg_data config = { 0 }; 1547 struct ice_vsi *vsi = np->vsi; 1548 struct ice_port_info *pi; 1549 1550 pi = vsi->port_info; 1551 if (!pi) 1552 return -EOPNOTSUPP; 1553 1554 /* Changing the FEC parameters is not supported if not the PF VSI */ 1555 if (vsi->type != ICE_VSI_PF) { 1556 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 1557 return -EOPNOTSUPP; 1558 } 1559 1560 /* Proceed only if requesting different FEC mode */ 1561 if (pi->phy.curr_user_fec_req == req_fec) 1562 return 0; 1563 1564 /* Copy the current user PHY configuration. The current user PHY 1565 * configuration is initialized during probe from PHY capabilities 1566 * software mode, and updated on set PHY configuration. 1567 */ 1568 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 1569 1570 ice_cfg_phy_fec(pi, &config, req_fec); 1571 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1572 1573 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1574 return -EAGAIN; 1575 1576 /* Save requested FEC config */ 1577 pi->phy.curr_user_fec_req = req_fec; 1578 1579 return 0; 1580 } 1581 1582 /** 1583 * ice_set_fecparam - Set FEC link options 1584 * @netdev: network interface device structure 1585 * @fecparam: Ethtool structure to retrieve FEC parameters 1586 */ 1587 static int 1588 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1589 { 1590 struct ice_netdev_priv *np = netdev_priv(netdev); 1591 struct ice_vsi *vsi = np->vsi; 1592 enum ice_fec_mode fec; 1593 1594 switch (fecparam->fec) { 1595 case ETHTOOL_FEC_AUTO: 1596 fec = ICE_FEC_AUTO; 1597 break; 1598 case ETHTOOL_FEC_RS: 1599 fec = ICE_FEC_RS; 1600 break; 1601 case ETHTOOL_FEC_BASER: 1602 fec = ICE_FEC_BASER; 1603 break; 1604 case ETHTOOL_FEC_OFF: 1605 case ETHTOOL_FEC_NONE: 1606 fec = ICE_FEC_NONE; 1607 break; 1608 default: 1609 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1610 fecparam->fec); 1611 return -EINVAL; 1612 } 1613 1614 return ice_set_fec_cfg(netdev, fec); 1615 } 1616 1617 /** 1618 * ice_get_fecparam - Get link FEC options 1619 * @netdev: network interface device structure 1620 * @fecparam: Ethtool structure to retrieve FEC parameters 1621 */ 1622 static int 1623 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1624 { 1625 struct ice_netdev_priv *np = netdev_priv(netdev); 1626 struct ice_aqc_get_phy_caps_data *caps; 1627 struct ice_link_status *link_info; 1628 struct ice_vsi *vsi = np->vsi; 1629 struct ice_port_info *pi; 1630 int err; 1631 1632 pi = vsi->port_info; 1633 1634 if (!pi) 1635 return -EOPNOTSUPP; 1636 link_info = &pi->phy.link_info; 1637 1638 /* Set FEC mode based on negotiated link info */ 1639 switch (link_info->fec_info) { 1640 case ICE_AQ_LINK_25G_KR_FEC_EN: 1641 fecparam->active_fec = ETHTOOL_FEC_BASER; 1642 break; 1643 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1644 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1645 fecparam->active_fec = ETHTOOL_FEC_RS; 1646 break; 1647 default: 1648 fecparam->active_fec = ETHTOOL_FEC_OFF; 1649 break; 1650 } 1651 1652 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1653 if (!caps) 1654 return -ENOMEM; 1655 1656 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1657 caps, NULL); 1658 if (err) 1659 goto done; 1660 1661 /* Set supported/configured FEC modes based on PHY capability */ 1662 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1663 fecparam->fec |= ETHTOOL_FEC_AUTO; 1664 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1665 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1666 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1667 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1668 fecparam->fec |= ETHTOOL_FEC_BASER; 1669 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1670 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1671 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1672 fecparam->fec |= ETHTOOL_FEC_RS; 1673 if (caps->link_fec_options == 0) 1674 fecparam->fec |= ETHTOOL_FEC_OFF; 1675 1676 done: 1677 kfree(caps); 1678 return err; 1679 } 1680 1681 /** 1682 * ice_nway_reset - restart autonegotiation 1683 * @netdev: network interface device structure 1684 */ 1685 static int ice_nway_reset(struct net_device *netdev) 1686 { 1687 struct ice_netdev_priv *np = netdev_priv(netdev); 1688 struct ice_vsi *vsi = np->vsi; 1689 int err; 1690 1691 /* If VSI state is up, then restart autoneg with link up */ 1692 if (!test_bit(ICE_DOWN, vsi->back->state)) 1693 err = ice_set_link(vsi, true); 1694 else 1695 err = ice_set_link(vsi, false); 1696 1697 return err; 1698 } 1699 1700 /** 1701 * ice_get_priv_flags - report device private flags 1702 * @netdev: network interface device structure 1703 * 1704 * The get string set count and the string set should be matched for each 1705 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1706 * array. 1707 * 1708 * Returns a u32 bitmap of flags. 1709 */ 1710 static u32 ice_get_priv_flags(struct net_device *netdev) 1711 { 1712 struct ice_pf *pf = ice_netdev_to_pf(netdev); 1713 u32 i, ret_flags = 0; 1714 1715 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1716 const struct ice_priv_flag *priv_flag; 1717 1718 priv_flag = &ice_gstrings_priv_flags[i]; 1719 1720 if (test_bit(priv_flag->bitno, pf->flags)) 1721 ret_flags |= BIT(i); 1722 } 1723 1724 return ret_flags; 1725 } 1726 1727 /** 1728 * ice_set_priv_flags - set private flags 1729 * @netdev: network interface device structure 1730 * @flags: bit flags to be set 1731 */ 1732 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1733 { 1734 struct ice_netdev_priv *np = netdev_priv(netdev); 1735 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1736 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1737 struct ice_vsi *vsi = np->vsi; 1738 struct ice_pf *pf = vsi->back; 1739 struct device *dev; 1740 int ret = 0; 1741 u32 i; 1742 1743 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1744 return -EINVAL; 1745 1746 dev = ice_pf_to_dev(pf); 1747 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1748 1749 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1750 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1751 const struct ice_priv_flag *priv_flag; 1752 1753 priv_flag = &ice_gstrings_priv_flags[i]; 1754 1755 if (flags & BIT(i)) 1756 set_bit(priv_flag->bitno, pf->flags); 1757 else 1758 clear_bit(priv_flag->bitno, pf->flags); 1759 } 1760 1761 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1762 1763 /* Do not allow change to link-down-on-close when Total Port Shutdown 1764 * is enabled. 1765 */ 1766 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1767 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1768 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1769 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1770 ret = -EINVAL; 1771 goto ethtool_exit; 1772 } 1773 1774 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1775 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1776 int status; 1777 1778 /* Disable FW LLDP engine */ 1779 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1780 1781 /* If unregistering for LLDP events fails, this is 1782 * not an error state, as there shouldn't be any 1783 * events to respond to. 1784 */ 1785 if (status) 1786 dev_info(dev, "Failed to unreg for LLDP events\n"); 1787 1788 /* The AQ call to stop the FW LLDP agent will generate 1789 * an error if the agent is already stopped. 1790 */ 1791 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1792 if (status) 1793 dev_warn(dev, "Fail to stop LLDP agent\n"); 1794 /* Use case for having the FW LLDP agent stopped 1795 * will likely not need DCB, so failure to init is 1796 * not a concern of ethtool 1797 */ 1798 status = ice_init_pf_dcb(pf, true); 1799 if (status) 1800 dev_warn(dev, "Fail to init DCB\n"); 1801 1802 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1803 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1804 } else { 1805 bool dcbx_agent_status; 1806 int status; 1807 1808 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { 1809 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); 1810 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); 1811 ret = -EOPNOTSUPP; 1812 goto ethtool_exit; 1813 } 1814 1815 /* Remove rule to direct LLDP packets to default VSI. 1816 * The FW LLDP engine will now be consuming them. 1817 */ 1818 ice_cfg_sw_rx_lldp(vsi->back, false); 1819 1820 /* AQ command to start FW LLDP agent will return an 1821 * error if the agent is already started 1822 */ 1823 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1824 if (status) 1825 dev_warn(dev, "Fail to start LLDP Agent\n"); 1826 1827 /* AQ command to start FW DCBX agent will fail if 1828 * the agent is already started 1829 */ 1830 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1831 &dcbx_agent_status, 1832 NULL); 1833 if (status) 1834 dev_dbg(dev, "Failed to start FW DCBX\n"); 1835 1836 dev_info(dev, "FW DCBX agent is %s\n", 1837 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1838 1839 /* Failure to configure MIB change or init DCB is not 1840 * relevant to ethtool. Print notification that 1841 * registration/init failed but do not return error 1842 * state to ethtool 1843 */ 1844 status = ice_init_pf_dcb(pf, true); 1845 if (status) 1846 dev_dbg(dev, "Fail to init DCB\n"); 1847 1848 /* Register for MIB change events */ 1849 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1850 if (status) 1851 dev_dbg(dev, "Fail to enable MIB change events\n"); 1852 1853 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1854 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1855 1856 ice_nway_reset(netdev); 1857 } 1858 } 1859 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1860 /* down and up VSI so that changes of Rx cfg are reflected. */ 1861 ice_down_up(vsi); 1862 } 1863 /* don't allow modification of this flag when a single VF is in 1864 * promiscuous mode because it's not supported 1865 */ 1866 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1867 ice_is_any_vf_in_unicast_promisc(pf)) { 1868 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1869 /* toggle bit back to previous state */ 1870 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1871 ret = -EAGAIN; 1872 } 1873 1874 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) && 1875 ice_has_vfs(pf)) { 1876 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n"); 1877 /* toggle bit back to previous state */ 1878 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags); 1879 ret = -EOPNOTSUPP; 1880 } 1881 ethtool_exit: 1882 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1883 return ret; 1884 } 1885 1886 static int ice_get_sset_count(struct net_device *netdev, int sset) 1887 { 1888 switch (sset) { 1889 case ETH_SS_STATS: 1890 /* The number (and order) of strings reported *must* remain 1891 * constant for a given netdevice. This function must not 1892 * report a different number based on run time parameters 1893 * (such as the number of queues in use, or the setting of 1894 * a private ethtool flag). This is due to the nature of the 1895 * ethtool stats API. 1896 * 1897 * Userspace programs such as ethtool must make 3 separate 1898 * ioctl requests, one for size, one for the strings, and 1899 * finally one for the stats. Since these cross into 1900 * userspace, changes to the number or size could result in 1901 * undefined memory access or incorrect string<->value 1902 * correlations for statistics. 1903 * 1904 * Even if it appears to be safe, changes to the size or 1905 * order of strings will suffer from race conditions and are 1906 * not safe. 1907 */ 1908 return ICE_ALL_STATS_LEN(netdev); 1909 case ETH_SS_TEST: 1910 return ICE_TEST_LEN; 1911 case ETH_SS_PRIV_FLAGS: 1912 return ICE_PRIV_FLAG_ARRAY_SIZE; 1913 default: 1914 return -EOPNOTSUPP; 1915 } 1916 } 1917 1918 static void 1919 __ice_get_ethtool_stats(struct net_device *netdev, 1920 struct ethtool_stats __always_unused *stats, u64 *data, 1921 struct ice_vsi *vsi) 1922 { 1923 struct ice_pf *pf = vsi->back; 1924 struct ice_tx_ring *tx_ring; 1925 struct ice_rx_ring *rx_ring; 1926 unsigned int j; 1927 int i = 0; 1928 char *p; 1929 1930 ice_update_pf_stats(pf); 1931 ice_update_vsi_stats(vsi); 1932 1933 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1934 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1935 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1936 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1937 } 1938 1939 if (ice_is_port_repr_netdev(netdev)) 1940 return; 1941 1942 /* populate per queue stats */ 1943 rcu_read_lock(); 1944 1945 ice_for_each_alloc_txq(vsi, j) { 1946 tx_ring = READ_ONCE(vsi->tx_rings[j]); 1947 if (tx_ring && tx_ring->ring_stats) { 1948 data[i++] = tx_ring->ring_stats->stats.pkts; 1949 data[i++] = tx_ring->ring_stats->stats.bytes; 1950 } else { 1951 data[i++] = 0; 1952 data[i++] = 0; 1953 } 1954 } 1955 1956 ice_for_each_alloc_rxq(vsi, j) { 1957 rx_ring = READ_ONCE(vsi->rx_rings[j]); 1958 if (rx_ring && rx_ring->ring_stats) { 1959 data[i++] = rx_ring->ring_stats->stats.pkts; 1960 data[i++] = rx_ring->ring_stats->stats.bytes; 1961 } else { 1962 data[i++] = 0; 1963 data[i++] = 0; 1964 } 1965 } 1966 1967 rcu_read_unlock(); 1968 1969 if (vsi->type != ICE_VSI_PF) 1970 return; 1971 1972 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1973 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1974 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1975 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1976 } 1977 1978 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1979 data[i++] = pf->stats.priority_xon_tx[j]; 1980 data[i++] = pf->stats.priority_xoff_tx[j]; 1981 } 1982 1983 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1984 data[i++] = pf->stats.priority_xon_rx[j]; 1985 data[i++] = pf->stats.priority_xoff_rx[j]; 1986 } 1987 } 1988 1989 static void 1990 ice_get_ethtool_stats(struct net_device *netdev, 1991 struct ethtool_stats __always_unused *stats, u64 *data) 1992 { 1993 struct ice_netdev_priv *np = netdev_priv(netdev); 1994 1995 __ice_get_ethtool_stats(netdev, stats, data, np->vsi); 1996 } 1997 1998 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1999 ICE_PHY_TYPE_LOW_100M_SGMII) 2000 2001 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 2002 ICE_PHY_TYPE_LOW_1000BASE_T | \ 2003 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 2004 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 2005 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 2006 ICE_PHY_TYPE_LOW_1G_SGMII | \ 2007 ICE_PHY_TYPE_LOW_2500BASE_T | \ 2008 ICE_PHY_TYPE_LOW_2500BASE_X | \ 2009 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 2010 ICE_PHY_TYPE_LOW_5GBASE_T | \ 2011 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 2012 ICE_PHY_TYPE_LOW_10GBASE_T | \ 2013 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 2014 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 2015 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 2016 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 2017 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 2018 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 2019 2020 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 2021 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 2022 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 2023 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 2024 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 2025 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 2026 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 2027 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 2028 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 2029 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 2030 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 2031 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 2032 ICE_PHY_TYPE_LOW_100GBASE_DR) 2033 2034 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 2035 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 2036 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 2037 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 2038 ICE_PHY_TYPE_HIGH_100G_AUI2) 2039 2040 #define ICE_PHY_TYPE_HIGH_MASK_200G (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \ 2041 ICE_PHY_TYPE_HIGH_200G_SR4 | \ 2042 ICE_PHY_TYPE_HIGH_200G_FR4 | \ 2043 ICE_PHY_TYPE_HIGH_200G_LR4 | \ 2044 ICE_PHY_TYPE_HIGH_200G_DR4 | \ 2045 ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \ 2046 ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \ 2047 ICE_PHY_TYPE_HIGH_200G_AUI4) 2048 2049 /** 2050 * ice_mask_min_supported_speeds 2051 * @hw: pointer to the HW structure 2052 * @phy_types_high: PHY type high 2053 * @phy_types_low: PHY type low to apply minimum supported speeds mask 2054 * 2055 * Apply minimum supported speeds mask to PHY type low. These are the speeds 2056 * for ethtool supported link mode. 2057 */ 2058 static void 2059 ice_mask_min_supported_speeds(struct ice_hw *hw, 2060 u64 phy_types_high, u64 *phy_types_low) 2061 { 2062 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 2063 if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) || 2064 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) || 2065 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G)) 2066 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 2067 else if (!ice_is_100m_speed_supported(hw)) 2068 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 2069 } 2070 2071 /** 2072 * ice_linkmode_set_bit - set link mode bit 2073 * @phy_to_ethtool: PHY type to ethtool link mode struct to set 2074 * @ks: ethtool link ksettings struct to fill out 2075 * @req_speeds: speed requested by user 2076 * @advert_phy_type: advertised PHY type 2077 * @phy_type: PHY type 2078 */ 2079 static void 2080 ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool, 2081 struct ethtool_link_ksettings *ks, u32 req_speeds, 2082 u64 advert_phy_type, u32 phy_type) 2083 { 2084 linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported); 2085 2086 if (req_speeds & phy_to_ethtool->aq_link_speed || 2087 (!req_speeds && advert_phy_type & BIT(phy_type))) 2088 linkmode_set_bit(phy_to_ethtool->link_mode, 2089 ks->link_modes.advertising); 2090 } 2091 2092 /** 2093 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 2094 * @netdev: network interface device structure 2095 * @ks: ethtool link ksettings struct to fill out 2096 */ 2097 static void 2098 ice_phy_type_to_ethtool(struct net_device *netdev, 2099 struct ethtool_link_ksettings *ks) 2100 { 2101 struct ice_netdev_priv *np = netdev_priv(netdev); 2102 struct ice_vsi *vsi = np->vsi; 2103 struct ice_pf *pf = vsi->back; 2104 u64 advert_phy_type_lo = 0; 2105 u64 advert_phy_type_hi = 0; 2106 u64 phy_types_high = 0; 2107 u64 phy_types_low = 0; 2108 u32 req_speeds; 2109 u32 i; 2110 2111 req_speeds = vsi->port_info->phy.link_info.req_speeds; 2112 2113 /* Check if lenient mode is supported and enabled, or in strict mode. 2114 * 2115 * In lenient mode the Supported link modes are the PHY types without 2116 * media. The Advertising link mode is either 1. the user requested 2117 * speed, 2. the override PHY mask, or 3. the PHY types with media. 2118 * 2119 * In strict mode Supported link mode are the PHY type with media, 2120 * and Advertising link modes are the media PHY type or the speed 2121 * requested by user. 2122 */ 2123 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2124 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 2125 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 2126 2127 ice_mask_min_supported_speeds(&pf->hw, phy_types_high, 2128 &phy_types_low); 2129 /* determine advertised modes based on link override only 2130 * if it's supported and if the FW doesn't abstract the 2131 * driver from having to account for link overrides 2132 */ 2133 if (ice_fw_supports_link_override(&pf->hw) && 2134 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 2135 struct ice_link_default_override_tlv *ldo; 2136 2137 ldo = &pf->link_dflt_override; 2138 /* If override enabled and PHY mask set, then 2139 * Advertising link mode is the intersection of the PHY 2140 * types without media and the override PHY mask. 2141 */ 2142 if (ldo->options & ICE_LINK_OVERRIDE_EN && 2143 (ldo->phy_type_low || ldo->phy_type_high)) { 2144 advert_phy_type_lo = 2145 le64_to_cpu(pf->nvm_phy_type_lo) & 2146 ldo->phy_type_low; 2147 advert_phy_type_hi = 2148 le64_to_cpu(pf->nvm_phy_type_hi) & 2149 ldo->phy_type_high; 2150 } 2151 } 2152 } else { 2153 /* strict mode */ 2154 phy_types_low = vsi->port_info->phy.phy_type_low; 2155 phy_types_high = vsi->port_info->phy.phy_type_high; 2156 } 2157 2158 /* If Advertising link mode PHY type is not using override PHY type, 2159 * then use PHY type with media. 2160 */ 2161 if (!advert_phy_type_lo && !advert_phy_type_hi) { 2162 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 2163 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 2164 } 2165 2166 linkmode_zero(ks->link_modes.supported); 2167 linkmode_zero(ks->link_modes.advertising); 2168 2169 for (i = 0; i < ARRAY_SIZE(phy_type_low_lkup); i++) { 2170 if (phy_types_low & BIT_ULL(i)) 2171 ice_linkmode_set_bit(&phy_type_low_lkup[i], ks, 2172 req_speeds, advert_phy_type_lo, 2173 i); 2174 } 2175 2176 for (i = 0; i < ARRAY_SIZE(phy_type_high_lkup); i++) { 2177 if (phy_types_high & BIT_ULL(i)) 2178 ice_linkmode_set_bit(&phy_type_high_lkup[i], ks, 2179 req_speeds, advert_phy_type_hi, 2180 i); 2181 } 2182 } 2183 2184 #define TEST_SET_BITS_TIMEOUT 50 2185 #define TEST_SET_BITS_SLEEP_MAX 2000 2186 #define TEST_SET_BITS_SLEEP_MIN 1000 2187 2188 /** 2189 * ice_get_settings_link_up - Get Link settings for when link is up 2190 * @ks: ethtool ksettings to fill in 2191 * @netdev: network interface device structure 2192 */ 2193 static void 2194 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 2195 struct net_device *netdev) 2196 { 2197 struct ice_netdev_priv *np = netdev_priv(netdev); 2198 struct ice_port_info *pi = np->vsi->port_info; 2199 struct ice_link_status *link_info; 2200 struct ice_vsi *vsi = np->vsi; 2201 2202 link_info = &vsi->port_info->phy.link_info; 2203 2204 /* Get supported and advertised settings from PHY ability with media */ 2205 ice_phy_type_to_ethtool(netdev, ks); 2206 2207 switch (link_info->link_speed) { 2208 case ICE_AQ_LINK_SPEED_200GB: 2209 ks->base.speed = SPEED_200000; 2210 break; 2211 case ICE_AQ_LINK_SPEED_100GB: 2212 ks->base.speed = SPEED_100000; 2213 break; 2214 case ICE_AQ_LINK_SPEED_50GB: 2215 ks->base.speed = SPEED_50000; 2216 break; 2217 case ICE_AQ_LINK_SPEED_40GB: 2218 ks->base.speed = SPEED_40000; 2219 break; 2220 case ICE_AQ_LINK_SPEED_25GB: 2221 ks->base.speed = SPEED_25000; 2222 break; 2223 case ICE_AQ_LINK_SPEED_20GB: 2224 ks->base.speed = SPEED_20000; 2225 break; 2226 case ICE_AQ_LINK_SPEED_10GB: 2227 ks->base.speed = SPEED_10000; 2228 break; 2229 case ICE_AQ_LINK_SPEED_5GB: 2230 ks->base.speed = SPEED_5000; 2231 break; 2232 case ICE_AQ_LINK_SPEED_2500MB: 2233 ks->base.speed = SPEED_2500; 2234 break; 2235 case ICE_AQ_LINK_SPEED_1000MB: 2236 ks->base.speed = SPEED_1000; 2237 break; 2238 case ICE_AQ_LINK_SPEED_100MB: 2239 ks->base.speed = SPEED_100; 2240 break; 2241 default: 2242 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 2243 link_info->link_speed); 2244 break; 2245 } 2246 ks->base.duplex = DUPLEX_FULL; 2247 2248 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 2249 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2250 Autoneg); 2251 2252 /* Set flow control negotiated Rx/Tx pause */ 2253 switch (pi->fc.current_mode) { 2254 case ICE_FC_FULL: 2255 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2256 break; 2257 case ICE_FC_TX_PAUSE: 2258 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2259 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2260 Asym_Pause); 2261 break; 2262 case ICE_FC_RX_PAUSE: 2263 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2264 Asym_Pause); 2265 break; 2266 case ICE_FC_PFC: 2267 default: 2268 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 2269 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 2270 Asym_Pause); 2271 break; 2272 } 2273 } 2274 2275 /** 2276 * ice_get_settings_link_down - Get the Link settings when link is down 2277 * @ks: ethtool ksettings to fill in 2278 * @netdev: network interface device structure 2279 * 2280 * Reports link settings that can be determined when link is down 2281 */ 2282 static void 2283 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 2284 struct net_device *netdev) 2285 { 2286 /* link is down and the driver needs to fall back on 2287 * supported PHY types to figure out what info to display 2288 */ 2289 ice_phy_type_to_ethtool(netdev, ks); 2290 2291 /* With no link, speed and duplex are unknown */ 2292 ks->base.speed = SPEED_UNKNOWN; 2293 ks->base.duplex = DUPLEX_UNKNOWN; 2294 } 2295 2296 /** 2297 * ice_get_link_ksettings - Get Link Speed and Duplex settings 2298 * @netdev: network interface device structure 2299 * @ks: ethtool ksettings 2300 * 2301 * Reports speed/duplex settings based on media_type 2302 */ 2303 static int 2304 ice_get_link_ksettings(struct net_device *netdev, 2305 struct ethtool_link_ksettings *ks) 2306 { 2307 struct ice_netdev_priv *np = netdev_priv(netdev); 2308 struct ice_aqc_get_phy_caps_data *caps; 2309 struct ice_link_status *hw_link_info; 2310 struct ice_vsi *vsi = np->vsi; 2311 int err; 2312 2313 ethtool_link_ksettings_zero_link_mode(ks, supported); 2314 ethtool_link_ksettings_zero_link_mode(ks, advertising); 2315 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 2316 hw_link_info = &vsi->port_info->phy.link_info; 2317 2318 /* set speed and duplex */ 2319 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 2320 ice_get_settings_link_up(ks, netdev); 2321 else 2322 ice_get_settings_link_down(ks, netdev); 2323 2324 /* set autoneg settings */ 2325 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 2326 AUTONEG_ENABLE : AUTONEG_DISABLE; 2327 2328 /* set media type settings */ 2329 switch (vsi->port_info->phy.media_type) { 2330 case ICE_MEDIA_FIBER: 2331 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2332 ks->base.port = PORT_FIBRE; 2333 break; 2334 case ICE_MEDIA_BASET: 2335 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 2336 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 2337 ks->base.port = PORT_TP; 2338 break; 2339 case ICE_MEDIA_BACKPLANE: 2340 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 2341 ethtool_link_ksettings_add_link_mode(ks, advertising, 2342 Backplane); 2343 ks->base.port = PORT_NONE; 2344 break; 2345 case ICE_MEDIA_DA: 2346 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2347 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 2348 ks->base.port = PORT_DA; 2349 break; 2350 default: 2351 ks->base.port = PORT_OTHER; 2352 break; 2353 } 2354 2355 /* flow control is symmetric and always supported */ 2356 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2357 2358 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 2359 if (!caps) 2360 return -ENOMEM; 2361 2362 err = ice_aq_get_phy_caps(vsi->port_info, false, 2363 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 2364 if (err) 2365 goto done; 2366 2367 /* Set the advertised flow control based on the PHY capability */ 2368 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2369 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2370 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2371 ethtool_link_ksettings_add_link_mode(ks, advertising, 2372 Asym_Pause); 2373 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2374 ethtool_link_ksettings_add_link_mode(ks, advertising, 2375 Asym_Pause); 2376 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2377 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2378 ethtool_link_ksettings_add_link_mode(ks, advertising, 2379 Asym_Pause); 2380 } else { 2381 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2382 ethtool_link_ksettings_del_link_mode(ks, advertising, 2383 Asym_Pause); 2384 } 2385 2386 /* Set advertised FEC modes based on PHY capability */ 2387 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2388 2389 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2390 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2391 ethtool_link_ksettings_add_link_mode(ks, advertising, 2392 FEC_BASER); 2393 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2394 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2395 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2396 2397 err = ice_aq_get_phy_caps(vsi->port_info, false, 2398 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 2399 if (err) 2400 goto done; 2401 2402 /* Set supported FEC modes based on PHY capability */ 2403 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2404 2405 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2406 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2407 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2408 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2409 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2410 2411 /* Set supported and advertised autoneg */ 2412 if (ice_is_phy_caps_an_enabled(caps)) { 2413 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2414 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2415 } 2416 2417 done: 2418 kfree(caps); 2419 return err; 2420 } 2421 2422 /** 2423 * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed 2424 * @speed: ethtool forced speed 2425 */ 2426 static u16 ice_speed_to_aq_link(int speed) 2427 { 2428 int aq_speed; 2429 2430 switch (speed) { 2431 case SPEED_10: 2432 aq_speed = ICE_AQ_LINK_SPEED_10MB; 2433 break; 2434 case SPEED_100: 2435 aq_speed = ICE_AQ_LINK_SPEED_100MB; 2436 break; 2437 case SPEED_1000: 2438 aq_speed = ICE_AQ_LINK_SPEED_1000MB; 2439 break; 2440 case SPEED_2500: 2441 aq_speed = ICE_AQ_LINK_SPEED_2500MB; 2442 break; 2443 case SPEED_5000: 2444 aq_speed = ICE_AQ_LINK_SPEED_5GB; 2445 break; 2446 case SPEED_10000: 2447 aq_speed = ICE_AQ_LINK_SPEED_10GB; 2448 break; 2449 case SPEED_20000: 2450 aq_speed = ICE_AQ_LINK_SPEED_20GB; 2451 break; 2452 case SPEED_25000: 2453 aq_speed = ICE_AQ_LINK_SPEED_25GB; 2454 break; 2455 case SPEED_40000: 2456 aq_speed = ICE_AQ_LINK_SPEED_40GB; 2457 break; 2458 case SPEED_50000: 2459 aq_speed = ICE_AQ_LINK_SPEED_50GB; 2460 break; 2461 case SPEED_100000: 2462 aq_speed = ICE_AQ_LINK_SPEED_100GB; 2463 break; 2464 default: 2465 aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN; 2466 break; 2467 } 2468 return aq_speed; 2469 } 2470 2471 /** 2472 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2473 * @ks: ethtool ksettings 2474 */ 2475 static u16 2476 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2477 { 2478 const struct ethtool_forced_speed_map *map; 2479 u16 adv_link_speed = 0; 2480 2481 for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) { 2482 map = ice_adv_lnk_speed_maps + i; 2483 if (linkmode_intersects(ks->link_modes.advertising, map->caps)) 2484 adv_link_speed |= ice_speed_to_aq_link(map->speed); 2485 } 2486 2487 return adv_link_speed; 2488 } 2489 2490 /** 2491 * ice_setup_autoneg 2492 * @p: port info 2493 * @ks: ethtool_link_ksettings 2494 * @config: configuration that will be sent down to FW 2495 * @autoneg_enabled: autonegotiation is enabled or not 2496 * @autoneg_changed: will there a change in autonegotiation 2497 * @netdev: network interface device structure 2498 * 2499 * Setup PHY autonegotiation feature 2500 */ 2501 static int 2502 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2503 struct ice_aqc_set_phy_cfg_data *config, 2504 u8 autoneg_enabled, u8 *autoneg_changed, 2505 struct net_device *netdev) 2506 { 2507 int err = 0; 2508 2509 *autoneg_changed = 0; 2510 2511 /* Check autoneg */ 2512 if (autoneg_enabled == AUTONEG_ENABLE) { 2513 /* If autoneg was not already enabled */ 2514 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2515 /* If autoneg is not supported, return error */ 2516 if (!ethtool_link_ksettings_test_link_mode(ks, 2517 supported, 2518 Autoneg)) { 2519 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2520 err = -EINVAL; 2521 } else { 2522 /* Autoneg is allowed to change */ 2523 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2524 *autoneg_changed = 1; 2525 } 2526 } 2527 } else { 2528 /* If autoneg is currently enabled */ 2529 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2530 /* If autoneg is supported 10GBASE_T is the only PHY 2531 * that can disable it, so otherwise return error 2532 */ 2533 if (ethtool_link_ksettings_test_link_mode(ks, 2534 supported, 2535 Autoneg)) { 2536 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2537 err = -EINVAL; 2538 } else { 2539 /* Autoneg is allowed to change */ 2540 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2541 *autoneg_changed = 1; 2542 } 2543 } 2544 } 2545 2546 return err; 2547 } 2548 2549 /** 2550 * ice_set_phy_type_from_speed - set phy_types based on speeds 2551 * and advertised modes 2552 * @ks: ethtool link ksettings struct 2553 * @phy_type_low: pointer to the lower part of phy_type 2554 * @phy_type_high: pointer to the higher part of phy_type 2555 * @adv_link_speed: targeted link speeds bitmap 2556 */ 2557 static void 2558 ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks, 2559 u64 *phy_type_low, u64 *phy_type_high, 2560 u16 adv_link_speed) 2561 { 2562 /* Handle 1000M speed in a special way because ice_update_phy_type 2563 * enables all link modes, but having mixed copper and optical 2564 * standards is not supported. 2565 */ 2566 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB; 2567 2568 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2569 1000baseT_Full)) 2570 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T | 2571 ICE_PHY_TYPE_LOW_1G_SGMII; 2572 2573 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2574 1000baseKX_Full)) 2575 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX; 2576 2577 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2578 1000baseX_Full)) 2579 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX | 2580 ICE_PHY_TYPE_LOW_1000BASE_LX; 2581 2582 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed); 2583 } 2584 2585 /** 2586 * ice_set_link_ksettings - Set Speed and Duplex 2587 * @netdev: network interface device structure 2588 * @ks: ethtool ksettings 2589 * 2590 * Set speed/duplex per media_types advertised/forced 2591 */ 2592 static int 2593 ice_set_link_ksettings(struct net_device *netdev, 2594 const struct ethtool_link_ksettings *ks) 2595 { 2596 struct ice_netdev_priv *np = netdev_priv(netdev); 2597 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2598 struct ethtool_link_ksettings copy_ks = *ks; 2599 struct ethtool_link_ksettings safe_ks = {}; 2600 struct ice_aqc_get_phy_caps_data *phy_caps; 2601 struct ice_aqc_set_phy_cfg_data config; 2602 u16 adv_link_speed, curr_link_speed; 2603 struct ice_pf *pf = np->vsi->back; 2604 struct ice_port_info *pi; 2605 u8 autoneg_changed = 0; 2606 u64 phy_type_high = 0; 2607 u64 phy_type_low = 0; 2608 bool linkup; 2609 int err; 2610 2611 pi = np->vsi->port_info; 2612 2613 if (!pi) 2614 return -EIO; 2615 2616 if (pi->phy.media_type != ICE_MEDIA_BASET && 2617 pi->phy.media_type != ICE_MEDIA_FIBER && 2618 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2619 pi->phy.media_type != ICE_MEDIA_DA && 2620 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2621 return -EOPNOTSUPP; 2622 2623 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2624 if (!phy_caps) 2625 return -ENOMEM; 2626 2627 /* Get the PHY capabilities based on media */ 2628 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2629 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2630 phy_caps, NULL); 2631 else 2632 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2633 phy_caps, NULL); 2634 if (err) 2635 goto done; 2636 2637 /* save autoneg out of ksettings */ 2638 autoneg = copy_ks.base.autoneg; 2639 2640 /* Get link modes supported by hardware.*/ 2641 ice_phy_type_to_ethtool(netdev, &safe_ks); 2642 2643 /* and check against modes requested by user. 2644 * Return an error if unsupported mode was set. 2645 */ 2646 if (!bitmap_subset(copy_ks.link_modes.advertising, 2647 safe_ks.link_modes.supported, 2648 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2649 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2650 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"); 2651 err = -EOPNOTSUPP; 2652 goto done; 2653 } 2654 2655 /* get our own copy of the bits to check against */ 2656 memset(&safe_ks, 0, sizeof(safe_ks)); 2657 safe_ks.base.cmd = copy_ks.base.cmd; 2658 safe_ks.base.link_mode_masks_nwords = 2659 copy_ks.base.link_mode_masks_nwords; 2660 ice_get_link_ksettings(netdev, &safe_ks); 2661 2662 /* set autoneg back to what it currently is */ 2663 copy_ks.base.autoneg = safe_ks.base.autoneg; 2664 /* we don't compare the speed */ 2665 copy_ks.base.speed = safe_ks.base.speed; 2666 2667 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2668 * trying to set something that we do not support. 2669 */ 2670 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2671 err = -EOPNOTSUPP; 2672 goto done; 2673 } 2674 2675 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2676 timeout--; 2677 if (!timeout) { 2678 err = -EBUSY; 2679 goto done; 2680 } 2681 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2682 } 2683 2684 /* Copy the current user PHY configuration. The current user PHY 2685 * configuration is initialized during probe from PHY capabilities 2686 * software mode, and updated on set PHY configuration. 2687 */ 2688 config = pi->phy.curr_user_phy_cfg; 2689 2690 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2691 2692 /* Check autoneg */ 2693 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2694 netdev); 2695 2696 if (err) 2697 goto done; 2698 2699 /* Call to get the current link speed */ 2700 pi->phy.get_link_info = true; 2701 err = ice_get_link_status(pi, &linkup); 2702 if (err) 2703 goto done; 2704 2705 curr_link_speed = pi->phy.curr_user_speed_req; 2706 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2707 2708 /* If speed didn't get set, set it to what it currently is. 2709 * This is needed because if advertise is 0 (as it is when autoneg 2710 * is disabled) then speed won't get set. 2711 */ 2712 if (!adv_link_speed) 2713 adv_link_speed = curr_link_speed; 2714 2715 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2716 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high, 2717 adv_link_speed); 2718 2719 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2720 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2721 goto done; 2722 } 2723 2724 /* save the requested speeds */ 2725 pi->phy.link_info.req_speeds = adv_link_speed; 2726 2727 /* set link and auto negotiation so changes take effect */ 2728 config.caps |= ICE_AQ_PHY_ENA_LINK; 2729 2730 /* check if there is a PHY type for the requested advertised speed */ 2731 if (!(phy_type_low || phy_type_high)) { 2732 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"); 2733 err = -EOPNOTSUPP; 2734 goto done; 2735 } 2736 2737 /* intersect requested advertised speed PHY types with media PHY types 2738 * for set PHY configuration 2739 */ 2740 config.phy_type_high = cpu_to_le64(phy_type_high) & 2741 phy_caps->phy_type_high; 2742 config.phy_type_low = cpu_to_le64(phy_type_low) & 2743 phy_caps->phy_type_low; 2744 2745 if (!(config.phy_type_high || config.phy_type_low)) { 2746 /* If there is no intersection and lenient mode is enabled, then 2747 * intersect the requested advertised speed with NVM media type 2748 * PHY types. 2749 */ 2750 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2751 config.phy_type_high = cpu_to_le64(phy_type_high) & 2752 pf->nvm_phy_type_hi; 2753 config.phy_type_low = cpu_to_le64(phy_type_low) & 2754 pf->nvm_phy_type_lo; 2755 } else { 2756 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"); 2757 err = -EOPNOTSUPP; 2758 goto done; 2759 } 2760 } 2761 2762 /* If link is up put link down */ 2763 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2764 /* Tell the OS link is going down, the link will go 2765 * back up when fw says it is ready asynchronously 2766 */ 2767 ice_print_link_msg(np->vsi, false); 2768 netif_carrier_off(netdev); 2769 netif_tx_stop_all_queues(netdev); 2770 } 2771 2772 /* make the aq call */ 2773 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2774 if (err) { 2775 netdev_info(netdev, "Set phy config failed,\n"); 2776 goto done; 2777 } 2778 2779 /* Save speed request */ 2780 pi->phy.curr_user_speed_req = adv_link_speed; 2781 done: 2782 kfree(phy_caps); 2783 clear_bit(ICE_CFG_BUSY, pf->state); 2784 2785 return err; 2786 } 2787 2788 static u32 ice_parse_hdrs(const struct ethtool_rxfh_fields *nfc) 2789 { 2790 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2791 2792 switch (nfc->flow_type) { 2793 case TCP_V4_FLOW: 2794 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2795 break; 2796 case UDP_V4_FLOW: 2797 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2798 break; 2799 case SCTP_V4_FLOW: 2800 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2801 break; 2802 case GTPU_V4_FLOW: 2803 hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV4; 2804 break; 2805 case GTPC_V4_FLOW: 2806 hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV4; 2807 break; 2808 case GTPC_TEID_V4_FLOW: 2809 hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV4; 2810 break; 2811 case GTPU_EH_V4_FLOW: 2812 hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV4; 2813 break; 2814 case GTPU_UL_V4_FLOW: 2815 hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV4; 2816 break; 2817 case GTPU_DL_V4_FLOW: 2818 hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV4; 2819 break; 2820 case TCP_V6_FLOW: 2821 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2822 break; 2823 case UDP_V6_FLOW: 2824 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2825 break; 2826 case SCTP_V6_FLOW: 2827 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2828 break; 2829 case GTPU_V6_FLOW: 2830 hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV6; 2831 break; 2832 case GTPC_V6_FLOW: 2833 hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV6; 2834 break; 2835 case GTPC_TEID_V6_FLOW: 2836 hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV6; 2837 break; 2838 case GTPU_EH_V6_FLOW: 2839 hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV6; 2840 break; 2841 case GTPU_UL_V6_FLOW: 2842 hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV6; 2843 break; 2844 case GTPU_DL_V6_FLOW: 2845 hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV6; 2846 break; 2847 default: 2848 break; 2849 } 2850 return hdrs; 2851 } 2852 2853 static u64 ice_parse_hash_flds(const struct ethtool_rxfh_fields *nfc, bool symm) 2854 { 2855 u64 hfld = ICE_HASH_INVALID; 2856 2857 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2858 switch (nfc->flow_type) { 2859 case TCP_V4_FLOW: 2860 case UDP_V4_FLOW: 2861 case SCTP_V4_FLOW: 2862 case GTPU_V4_FLOW: 2863 case GTPC_V4_FLOW: 2864 case GTPC_TEID_V4_FLOW: 2865 case GTPU_EH_V4_FLOW: 2866 case GTPU_UL_V4_FLOW: 2867 case GTPU_DL_V4_FLOW: 2868 if (nfc->data & RXH_IP_SRC) 2869 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2870 if (nfc->data & RXH_IP_DST) 2871 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2872 break; 2873 case TCP_V6_FLOW: 2874 case UDP_V6_FLOW: 2875 case SCTP_V6_FLOW: 2876 case GTPU_V6_FLOW: 2877 case GTPC_V6_FLOW: 2878 case GTPC_TEID_V6_FLOW: 2879 case GTPU_EH_V6_FLOW: 2880 case GTPU_UL_V6_FLOW: 2881 case GTPU_DL_V6_FLOW: 2882 if (nfc->data & RXH_IP_SRC) 2883 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2884 if (nfc->data & RXH_IP_DST) 2885 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2886 break; 2887 default: 2888 break; 2889 } 2890 } 2891 2892 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2893 switch (nfc->flow_type) { 2894 case TCP_V4_FLOW: 2895 case TCP_V6_FLOW: 2896 if (nfc->data & RXH_L4_B_0_1) 2897 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2898 if (nfc->data & RXH_L4_B_2_3) 2899 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2900 break; 2901 case UDP_V4_FLOW: 2902 case UDP_V6_FLOW: 2903 if (nfc->data & RXH_L4_B_0_1) 2904 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2905 if (nfc->data & RXH_L4_B_2_3) 2906 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2907 break; 2908 case SCTP_V4_FLOW: 2909 case SCTP_V6_FLOW: 2910 if (nfc->data & RXH_L4_B_0_1) 2911 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2912 if (nfc->data & RXH_L4_B_2_3) 2913 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2914 break; 2915 default: 2916 break; 2917 } 2918 } 2919 2920 if (nfc->data & RXH_GTP_TEID) { 2921 switch (nfc->flow_type) { 2922 case GTPC_TEID_V4_FLOW: 2923 case GTPC_TEID_V6_FLOW: 2924 hfld |= ICE_FLOW_HASH_FLD_GTPC_TEID; 2925 break; 2926 case GTPU_V4_FLOW: 2927 case GTPU_V6_FLOW: 2928 hfld |= ICE_FLOW_HASH_FLD_GTPU_IP_TEID; 2929 break; 2930 case GTPU_EH_V4_FLOW: 2931 case GTPU_EH_V6_FLOW: 2932 hfld |= ICE_FLOW_HASH_FLD_GTPU_EH_TEID; 2933 break; 2934 case GTPU_UL_V4_FLOW: 2935 case GTPU_UL_V6_FLOW: 2936 hfld |= ICE_FLOW_HASH_FLD_GTPU_UP_TEID; 2937 break; 2938 case GTPU_DL_V4_FLOW: 2939 case GTPU_DL_V6_FLOW: 2940 hfld |= ICE_FLOW_HASH_FLD_GTPU_DWN_TEID; 2941 break; 2942 default: 2943 break; 2944 } 2945 } 2946 2947 return hfld; 2948 } 2949 2950 static int 2951 ice_set_rxfh_fields(struct net_device *netdev, 2952 const struct ethtool_rxfh_fields *nfc, 2953 struct netlink_ext_ack *extack) 2954 { 2955 struct ice_netdev_priv *np = netdev_priv(netdev); 2956 struct ice_vsi *vsi = np->vsi; 2957 struct ice_pf *pf = vsi->back; 2958 struct ice_rss_hash_cfg cfg; 2959 struct device *dev; 2960 u64 hashed_flds; 2961 int status; 2962 bool symm; 2963 u32 hdrs; 2964 2965 dev = ice_pf_to_dev(pf); 2966 if (ice_is_safe_mode(pf)) { 2967 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2968 vsi->vsi_num); 2969 return -EINVAL; 2970 } 2971 2972 symm = !!(vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ); 2973 hashed_flds = ice_parse_hash_flds(nfc, symm); 2974 if (hashed_flds == ICE_HASH_INVALID) { 2975 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2976 vsi->vsi_num); 2977 return -EINVAL; 2978 } 2979 2980 hdrs = ice_parse_hdrs(nfc); 2981 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2982 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2983 vsi->vsi_num); 2984 return -EINVAL; 2985 } 2986 2987 cfg.hash_flds = hashed_flds; 2988 cfg.addl_hdrs = hdrs; 2989 cfg.hdr_type = ICE_RSS_ANY_HEADERS; 2990 cfg.symm = symm; 2991 2992 status = ice_add_rss_cfg(&pf->hw, vsi, &cfg); 2993 if (status) { 2994 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n", 2995 vsi->vsi_num, status); 2996 return status; 2997 } 2998 2999 return 0; 3000 } 3001 3002 static int 3003 ice_get_rxfh_fields(struct net_device *netdev, struct ethtool_rxfh_fields *nfc) 3004 { 3005 struct ice_netdev_priv *np = netdev_priv(netdev); 3006 struct ice_vsi *vsi = np->vsi; 3007 struct ice_pf *pf = vsi->back; 3008 struct device *dev; 3009 u64 hash_flds; 3010 bool symm; 3011 u32 hdrs; 3012 3013 dev = ice_pf_to_dev(pf); 3014 3015 nfc->data = 0; 3016 if (ice_is_safe_mode(pf)) { 3017 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 3018 vsi->vsi_num); 3019 return 0; 3020 } 3021 3022 hdrs = ice_parse_hdrs(nfc); 3023 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 3024 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 3025 vsi->vsi_num); 3026 return 0; 3027 } 3028 3029 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs, &symm); 3030 if (hash_flds == ICE_HASH_INVALID) { 3031 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 3032 vsi->vsi_num); 3033 return 0; 3034 } 3035 3036 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 3037 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 3038 nfc->data |= (u64)RXH_IP_SRC; 3039 3040 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 3041 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 3042 nfc->data |= (u64)RXH_IP_DST; 3043 3044 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 3045 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 3046 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 3047 nfc->data |= (u64)RXH_L4_B_0_1; 3048 3049 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 3050 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 3051 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 3052 nfc->data |= (u64)RXH_L4_B_2_3; 3053 3054 if (hash_flds & ICE_FLOW_HASH_FLD_GTPC_TEID || 3055 hash_flds & ICE_FLOW_HASH_FLD_GTPU_IP_TEID || 3056 hash_flds & ICE_FLOW_HASH_FLD_GTPU_EH_TEID || 3057 hash_flds & ICE_FLOW_HASH_FLD_GTPU_UP_TEID || 3058 hash_flds & ICE_FLOW_HASH_FLD_GTPU_DWN_TEID) 3059 nfc->data |= (u64)RXH_GTP_TEID; 3060 3061 return 0; 3062 } 3063 3064 /** 3065 * ice_set_rxnfc - command to set Rx flow rules. 3066 * @netdev: network interface device structure 3067 * @cmd: ethtool rxnfc command 3068 * 3069 * Returns 0 for success and negative values for errors 3070 */ 3071 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 3072 { 3073 struct ice_netdev_priv *np = netdev_priv(netdev); 3074 struct ice_vsi *vsi = np->vsi; 3075 3076 switch (cmd->cmd) { 3077 case ETHTOOL_SRXCLSRLINS: 3078 return ice_add_fdir_ethtool(vsi, cmd); 3079 case ETHTOOL_SRXCLSRLDEL: 3080 return ice_del_fdir_ethtool(vsi, cmd); 3081 default: 3082 break; 3083 } 3084 return -EOPNOTSUPP; 3085 } 3086 3087 /** 3088 * ice_get_rxnfc - command to get Rx flow classification rules 3089 * @netdev: network interface device structure 3090 * @cmd: ethtool rxnfc command 3091 * @rule_locs: buffer to rturn Rx flow classification rules 3092 * 3093 * Returns Success if the command is supported. 3094 */ 3095 static int 3096 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 3097 u32 __always_unused *rule_locs) 3098 { 3099 struct ice_netdev_priv *np = netdev_priv(netdev); 3100 struct ice_vsi *vsi = np->vsi; 3101 int ret = -EOPNOTSUPP; 3102 struct ice_hw *hw; 3103 3104 hw = &vsi->back->hw; 3105 3106 switch (cmd->cmd) { 3107 case ETHTOOL_GRXRINGS: 3108 cmd->data = vsi->rss_size; 3109 ret = 0; 3110 break; 3111 case ETHTOOL_GRXCLSRLCNT: 3112 cmd->rule_cnt = hw->fdir_active_fltr; 3113 /* report total rule count */ 3114 cmd->data = ice_get_fdir_cnt_all(hw); 3115 ret = 0; 3116 break; 3117 case ETHTOOL_GRXCLSRULE: 3118 ret = ice_get_ethtool_fdir_entry(hw, cmd); 3119 break; 3120 case ETHTOOL_GRXCLSRLALL: 3121 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 3122 break; 3123 default: 3124 break; 3125 } 3126 3127 return ret; 3128 } 3129 3130 static void 3131 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 3132 struct kernel_ethtool_ringparam *kernel_ring, 3133 struct netlink_ext_ack *extack) 3134 { 3135 struct ice_netdev_priv *np = netdev_priv(netdev); 3136 struct ice_vsi *vsi = np->vsi; 3137 struct ice_hw *hw; 3138 3139 hw = &vsi->back->hw; 3140 ring->rx_max_pending = ICE_MAX_NUM_DESC_BY_MAC(hw); 3141 ring->tx_max_pending = ICE_MAX_NUM_DESC_BY_MAC(hw); 3142 if (vsi->tx_rings && vsi->rx_rings) { 3143 ring->rx_pending = vsi->rx_rings[0]->count; 3144 ring->tx_pending = vsi->tx_rings[0]->count; 3145 } else { 3146 ring->rx_pending = 0; 3147 ring->tx_pending = 0; 3148 } 3149 3150 /* Rx mini and jumbo rings are not supported */ 3151 ring->rx_mini_max_pending = 0; 3152 ring->rx_jumbo_max_pending = 0; 3153 ring->rx_mini_pending = 0; 3154 ring->rx_jumbo_pending = 0; 3155 } 3156 3157 static int 3158 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 3159 struct kernel_ethtool_ringparam *kernel_ring, 3160 struct netlink_ext_ack *extack) 3161 { 3162 struct ice_netdev_priv *np = netdev_priv(netdev); 3163 struct ice_tx_ring *xdp_rings = NULL; 3164 struct ice_tx_ring *tx_rings = NULL; 3165 struct ice_rx_ring *rx_rings = NULL; 3166 struct ice_vsi *vsi = np->vsi; 3167 struct ice_pf *pf = vsi->back; 3168 int i, timeout = 50, err = 0; 3169 struct ice_hw *hw = &pf->hw; 3170 u16 new_rx_cnt, new_tx_cnt; 3171 3172 if (ring->tx_pending > ICE_MAX_NUM_DESC_BY_MAC(hw) || 3173 ring->tx_pending < ICE_MIN_NUM_DESC || 3174 ring->rx_pending > ICE_MAX_NUM_DESC_BY_MAC(hw) || 3175 ring->rx_pending < ICE_MIN_NUM_DESC) { 3176 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 3177 ring->tx_pending, ring->rx_pending, 3178 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC_BY_MAC(hw), 3179 ICE_REQ_DESC_MULTIPLE); 3180 return -EINVAL; 3181 } 3182 3183 /* Return if there is no rings (device is reloading) */ 3184 if (!vsi->tx_rings || !vsi->rx_rings) 3185 return -EBUSY; 3186 3187 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 3188 if (new_tx_cnt != ring->tx_pending) 3189 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 3190 new_tx_cnt); 3191 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 3192 if (new_rx_cnt != ring->rx_pending) 3193 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 3194 new_rx_cnt); 3195 3196 /* if nothing to do return success */ 3197 if (new_tx_cnt == vsi->tx_rings[0]->count && 3198 new_rx_cnt == vsi->rx_rings[0]->count) { 3199 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 3200 return 0; 3201 } 3202 3203 /* If there is a AF_XDP UMEM attached to any of Rx rings, 3204 * disallow changing the number of descriptors -- regardless 3205 * if the netdev is running or not. 3206 */ 3207 if (ice_xsk_any_rx_ring_ena(vsi)) 3208 return -EBUSY; 3209 3210 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 3211 timeout--; 3212 if (!timeout) 3213 return -EBUSY; 3214 usleep_range(1000, 2000); 3215 } 3216 3217 /* set for the next time the netdev is started */ 3218 if (!netif_running(vsi->netdev)) { 3219 ice_for_each_alloc_txq(vsi, i) 3220 vsi->tx_rings[i]->count = new_tx_cnt; 3221 ice_for_each_alloc_rxq(vsi, i) 3222 vsi->rx_rings[i]->count = new_rx_cnt; 3223 if (ice_is_xdp_ena_vsi(vsi)) 3224 ice_for_each_xdp_txq(vsi, i) 3225 vsi->xdp_rings[i]->count = new_tx_cnt; 3226 vsi->num_tx_desc = (u16)new_tx_cnt; 3227 vsi->num_rx_desc = (u16)new_rx_cnt; 3228 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 3229 goto done; 3230 } 3231 3232 if (new_tx_cnt == vsi->tx_rings[0]->count) 3233 goto process_rx; 3234 3235 /* alloc updated Tx resources */ 3236 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 3237 vsi->tx_rings[0]->count, new_tx_cnt); 3238 3239 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 3240 if (!tx_rings) { 3241 err = -ENOMEM; 3242 goto done; 3243 } 3244 3245 ice_for_each_txq(vsi, i) { 3246 /* clone ring and setup updated count */ 3247 tx_rings[i] = *vsi->tx_rings[i]; 3248 tx_rings[i].count = new_tx_cnt; 3249 tx_rings[i].desc = NULL; 3250 tx_rings[i].tx_buf = NULL; 3251 tx_rings[i].tstamp_ring = NULL; 3252 tx_rings[i].tx_tstamps = &pf->ptp.port.tx; 3253 err = ice_setup_tx_ring(&tx_rings[i]); 3254 if (err) { 3255 while (i--) 3256 ice_clean_tx_ring(&tx_rings[i]); 3257 kfree(tx_rings); 3258 goto done; 3259 } 3260 } 3261 3262 if (!ice_is_xdp_ena_vsi(vsi)) 3263 goto process_rx; 3264 3265 /* alloc updated XDP resources */ 3266 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 3267 vsi->xdp_rings[0]->count, new_tx_cnt); 3268 3269 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 3270 if (!xdp_rings) { 3271 err = -ENOMEM; 3272 goto free_tx; 3273 } 3274 3275 ice_for_each_xdp_txq(vsi, i) { 3276 /* clone ring and setup updated count */ 3277 xdp_rings[i] = *vsi->xdp_rings[i]; 3278 xdp_rings[i].count = new_tx_cnt; 3279 xdp_rings[i].desc = NULL; 3280 xdp_rings[i].tx_buf = NULL; 3281 err = ice_setup_tx_ring(&xdp_rings[i]); 3282 if (err) { 3283 while (i--) 3284 ice_clean_tx_ring(&xdp_rings[i]); 3285 kfree(xdp_rings); 3286 goto free_tx; 3287 } 3288 ice_set_ring_xdp(&xdp_rings[i]); 3289 } 3290 3291 process_rx: 3292 if (new_rx_cnt == vsi->rx_rings[0]->count) 3293 goto process_link; 3294 3295 /* alloc updated Rx resources */ 3296 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 3297 vsi->rx_rings[0]->count, new_rx_cnt); 3298 3299 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 3300 if (!rx_rings) { 3301 err = -ENOMEM; 3302 goto done; 3303 } 3304 3305 ice_for_each_rxq(vsi, i) { 3306 /* clone ring and setup updated count */ 3307 rx_rings[i] = *vsi->rx_rings[i]; 3308 rx_rings[i].count = new_rx_cnt; 3309 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time; 3310 rx_rings[i].desc = NULL; 3311 rx_rings[i].rx_buf = NULL; 3312 /* this is to allow wr32 to have something to write to 3313 * during early allocation of Rx buffers 3314 */ 3315 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 3316 3317 err = ice_setup_rx_ring(&rx_rings[i]); 3318 if (err) 3319 goto rx_unwind; 3320 3321 /* allocate Rx buffers */ 3322 err = ice_alloc_rx_bufs(&rx_rings[i], 3323 ICE_RX_DESC_UNUSED(&rx_rings[i])); 3324 rx_unwind: 3325 if (err) { 3326 while (i) { 3327 i--; 3328 ice_free_rx_ring(&rx_rings[i]); 3329 } 3330 kfree(rx_rings); 3331 err = -ENOMEM; 3332 goto free_tx; 3333 } 3334 } 3335 3336 process_link: 3337 /* Bring interface down, copy in the new ring info, then restore the 3338 * interface. if VSI is up, bring it down and then back up 3339 */ 3340 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 3341 ice_down(vsi); 3342 3343 if (tx_rings) { 3344 ice_for_each_txq(vsi, i) { 3345 ice_free_tx_ring(vsi->tx_rings[i]); 3346 *vsi->tx_rings[i] = tx_rings[i]; 3347 } 3348 kfree(tx_rings); 3349 } 3350 3351 if (rx_rings) { 3352 ice_for_each_rxq(vsi, i) { 3353 ice_free_rx_ring(vsi->rx_rings[i]); 3354 /* copy the real tail offset */ 3355 rx_rings[i].tail = vsi->rx_rings[i]->tail; 3356 /* this is to fake out the allocation routine 3357 * into thinking it has to realloc everything 3358 * but the recycling logic will let us re-use 3359 * the buffers allocated above 3360 */ 3361 rx_rings[i].next_to_use = 0; 3362 rx_rings[i].next_to_clean = 0; 3363 rx_rings[i].next_to_alloc = 0; 3364 *vsi->rx_rings[i] = rx_rings[i]; 3365 } 3366 kfree(rx_rings); 3367 } 3368 3369 if (xdp_rings) { 3370 ice_for_each_xdp_txq(vsi, i) { 3371 ice_free_tx_ring(vsi->xdp_rings[i]); 3372 *vsi->xdp_rings[i] = xdp_rings[i]; 3373 } 3374 kfree(xdp_rings); 3375 } 3376 3377 vsi->num_tx_desc = new_tx_cnt; 3378 vsi->num_rx_desc = new_rx_cnt; 3379 ice_up(vsi); 3380 } 3381 goto done; 3382 3383 free_tx: 3384 /* error cleanup if the Rx allocations failed after getting Tx */ 3385 if (tx_rings) { 3386 ice_for_each_txq(vsi, i) 3387 ice_free_tx_ring(&tx_rings[i]); 3388 kfree(tx_rings); 3389 } 3390 3391 done: 3392 clear_bit(ICE_CFG_BUSY, pf->state); 3393 return err; 3394 } 3395 3396 /** 3397 * ice_get_pauseparam - Get Flow Control status 3398 * @netdev: network interface device structure 3399 * @pause: ethernet pause (flow control) parameters 3400 * 3401 * Get requested flow control status from PHY capability. 3402 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 3403 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 3404 * the negotiated Rx/Tx pause via lp_advertising. 3405 */ 3406 static void 3407 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3408 { 3409 struct ice_netdev_priv *np = netdev_priv(netdev); 3410 struct ice_port_info *pi = np->vsi->port_info; 3411 struct ice_aqc_get_phy_caps_data *pcaps; 3412 struct ice_dcbx_cfg *dcbx_cfg; 3413 int status; 3414 3415 /* Initialize pause params */ 3416 pause->rx_pause = 0; 3417 pause->tx_pause = 0; 3418 3419 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3420 3421 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3422 if (!pcaps) 3423 return; 3424 3425 /* Get current PHY config */ 3426 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3427 NULL); 3428 if (status) 3429 goto out; 3430 3431 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3432 AUTONEG_DISABLE; 3433 3434 if (dcbx_cfg->pfc.pfcena) 3435 /* PFC enabled so report LFC as off */ 3436 goto out; 3437 3438 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 3439 pause->tx_pause = 1; 3440 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 3441 pause->rx_pause = 1; 3442 3443 out: 3444 kfree(pcaps); 3445 } 3446 3447 /** 3448 * ice_set_pauseparam - Set Flow Control parameter 3449 * @netdev: network interface device structure 3450 * @pause: return Tx/Rx flow control status 3451 */ 3452 static int 3453 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3454 { 3455 struct ice_netdev_priv *np = netdev_priv(netdev); 3456 struct ice_aqc_get_phy_caps_data *pcaps; 3457 struct ice_link_status *hw_link_info; 3458 struct ice_pf *pf = np->vsi->back; 3459 struct ice_dcbx_cfg *dcbx_cfg; 3460 struct ice_vsi *vsi = np->vsi; 3461 struct ice_hw *hw = &pf->hw; 3462 struct ice_port_info *pi; 3463 u8 aq_failures; 3464 bool link_up; 3465 u32 is_an; 3466 int err; 3467 3468 pi = vsi->port_info; 3469 hw_link_info = &pi->phy.link_info; 3470 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3471 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3472 3473 /* Changing the port's flow control is not supported if this isn't the 3474 * PF VSI 3475 */ 3476 if (vsi->type != ICE_VSI_PF) { 3477 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3478 return -EOPNOTSUPP; 3479 } 3480 3481 /* Get pause param reports configured and negotiated flow control pause 3482 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3483 * defined get pause param pause->autoneg reports SW configured setting, 3484 * so compare pause->autoneg with SW configured to prevent the user from 3485 * using set pause param to chance autoneg. 3486 */ 3487 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3488 if (!pcaps) 3489 return -ENOMEM; 3490 3491 /* Get current PHY config */ 3492 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3493 NULL); 3494 if (err) { 3495 kfree(pcaps); 3496 return err; 3497 } 3498 3499 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3500 AUTONEG_DISABLE; 3501 3502 kfree(pcaps); 3503 3504 if (pause->autoneg != is_an) { 3505 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3506 return -EOPNOTSUPP; 3507 } 3508 3509 /* If we have link and don't have autoneg */ 3510 if (!test_bit(ICE_DOWN, pf->state) && 3511 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3512 /* Send message that it might not necessarily work*/ 3513 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3514 } 3515 3516 if (dcbx_cfg->pfc.pfcena) { 3517 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3518 return -EOPNOTSUPP; 3519 } 3520 if (pause->rx_pause && pause->tx_pause) 3521 pi->fc.req_mode = ICE_FC_FULL; 3522 else if (pause->rx_pause && !pause->tx_pause) 3523 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3524 else if (!pause->rx_pause && pause->tx_pause) 3525 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3526 else if (!pause->rx_pause && !pause->tx_pause) 3527 pi->fc.req_mode = ICE_FC_NONE; 3528 else 3529 return -EINVAL; 3530 3531 /* Set the FC mode and only restart AN if link is up */ 3532 err = ice_set_fc(pi, &aq_failures, link_up); 3533 3534 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3535 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n", 3536 err, libie_aq_str(hw->adminq.sq_last_status)); 3537 err = -EAGAIN; 3538 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3539 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n", 3540 err, libie_aq_str(hw->adminq.sq_last_status)); 3541 err = -EAGAIN; 3542 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3543 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n", 3544 err, libie_aq_str(hw->adminq.sq_last_status)); 3545 err = -EAGAIN; 3546 } 3547 3548 return err; 3549 } 3550 3551 /** 3552 * ice_get_rxfh_key_size - get the RSS hash key size 3553 * @netdev: network interface device structure 3554 * 3555 * Returns the table size. 3556 */ 3557 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3558 { 3559 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3560 } 3561 3562 /** 3563 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3564 * @netdev: network interface device structure 3565 * 3566 * Returns the table size. 3567 */ 3568 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3569 { 3570 struct ice_netdev_priv *np = netdev_priv(netdev); 3571 3572 return np->vsi->rss_table_size; 3573 } 3574 3575 /** 3576 * ice_get_rxfh - get the Rx flow hash indirection table 3577 * @netdev: network interface device structure 3578 * @rxfh: pointer to param struct (indir, key, hfunc) 3579 * 3580 * Reads the indirection table directly from the hardware. 3581 */ 3582 static int 3583 ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh) 3584 { 3585 struct ice_netdev_priv *np = netdev_priv(netdev); 3586 struct ice_vsi *vsi = np->vsi; 3587 struct ice_pf *pf = vsi->back; 3588 u16 qcount, offset; 3589 int err, i; 3590 u8 *lut; 3591 3592 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3593 netdev_warn(netdev, "RSS is not supported on this VSI!\n"); 3594 return -EOPNOTSUPP; 3595 } 3596 3597 qcount = vsi->mqprio_qopt.qopt.count[0]; 3598 offset = vsi->mqprio_qopt.qopt.offset[0]; 3599 3600 rxfh->hfunc = ETH_RSS_HASH_TOP; 3601 if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ) 3602 rxfh->input_xfrm |= RXH_XFRM_SYM_XOR; 3603 3604 if (!rxfh->indir) 3605 return 0; 3606 3607 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3608 if (!lut) 3609 return -ENOMEM; 3610 3611 err = ice_get_rss_key(vsi, rxfh->key); 3612 if (err) 3613 goto out; 3614 3615 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size); 3616 if (err) 3617 goto out; 3618 3619 if (ice_is_adq_active(pf)) { 3620 for (i = 0; i < vsi->rss_table_size; i++) 3621 rxfh->indir[i] = offset + lut[i] % qcount; 3622 goto out; 3623 } 3624 3625 for (i = 0; i < vsi->rss_table_size; i++) 3626 rxfh->indir[i] = lut[i]; 3627 3628 out: 3629 kfree(lut); 3630 return err; 3631 } 3632 3633 /** 3634 * ice_set_rxfh - set the Rx flow hash indirection table 3635 * @netdev: network interface device structure 3636 * @rxfh: pointer to param struct (indir, key, hfunc) 3637 * @extack: extended ACK from the Netlink message 3638 * 3639 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3640 * returns 0 after programming the table. 3641 */ 3642 static int 3643 ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh, 3644 struct netlink_ext_ack *extack) 3645 { 3646 struct ice_netdev_priv *np = netdev_priv(netdev); 3647 u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ; 3648 struct ice_vsi *vsi = np->vsi; 3649 struct ice_pf *pf = vsi->back; 3650 struct device *dev; 3651 int err; 3652 3653 dev = ice_pf_to_dev(pf); 3654 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && 3655 rxfh->hfunc != ETH_RSS_HASH_TOP) 3656 return -EOPNOTSUPP; 3657 3658 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3659 /* RSS not supported return error here */ 3660 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3661 return -EIO; 3662 } 3663 3664 if (ice_is_adq_active(pf)) { 3665 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n"); 3666 return -EOPNOTSUPP; 3667 } 3668 3669 /* Update the VSI's hash function */ 3670 if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR) 3671 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ; 3672 3673 err = ice_set_rss_hfunc(vsi, hfunc); 3674 if (err) 3675 return err; 3676 3677 if (rxfh->key) { 3678 if (!vsi->rss_hkey_user) { 3679 vsi->rss_hkey_user = 3680 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3681 GFP_KERNEL); 3682 if (!vsi->rss_hkey_user) 3683 return -ENOMEM; 3684 } 3685 memcpy(vsi->rss_hkey_user, rxfh->key, 3686 ICE_VSIQF_HKEY_ARRAY_SIZE); 3687 3688 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3689 if (err) 3690 return err; 3691 } 3692 3693 if (!vsi->rss_lut_user) { 3694 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3695 GFP_KERNEL); 3696 if (!vsi->rss_lut_user) 3697 return -ENOMEM; 3698 } 3699 3700 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3701 if (rxfh->indir) { 3702 int i; 3703 3704 for (i = 0; i < vsi->rss_table_size; i++) 3705 vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]); 3706 } else { 3707 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3708 vsi->rss_size); 3709 } 3710 3711 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3712 if (err) 3713 return err; 3714 3715 return 0; 3716 } 3717 3718 static int 3719 ice_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info) 3720 { 3721 struct ice_pf *pf = ice_netdev_to_pf(dev); 3722 3723 /* only report timestamping if PTP is enabled */ 3724 if (pf->ptp.state != ICE_PTP_READY) 3725 return ethtool_op_get_ts_info(dev, info); 3726 3727 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3728 SOF_TIMESTAMPING_TX_HARDWARE | 3729 SOF_TIMESTAMPING_RX_HARDWARE | 3730 SOF_TIMESTAMPING_RAW_HARDWARE; 3731 3732 info->phc_index = ice_ptp_clock_index(pf); 3733 3734 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3735 3736 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3737 3738 return 0; 3739 } 3740 3741 /** 3742 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3743 * @pf: PF structure 3744 */ 3745 static int ice_get_max_txq(struct ice_pf *pf) 3746 { 3747 return min(num_online_cpus(), pf->hw.func_caps.common_cap.num_txq); 3748 } 3749 3750 /** 3751 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3752 * @pf: PF structure 3753 */ 3754 static int ice_get_max_rxq(struct ice_pf *pf) 3755 { 3756 return min(num_online_cpus(), pf->hw.func_caps.common_cap.num_rxq); 3757 } 3758 3759 /** 3760 * ice_get_combined_cnt - return the current number of combined channels 3761 * @vsi: PF VSI pointer 3762 * 3763 * Go through all queue vectors and count ones that have both Rx and Tx ring 3764 * attached 3765 */ 3766 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3767 { 3768 u32 combined = 0; 3769 int q_idx; 3770 3771 ice_for_each_q_vector(vsi, q_idx) { 3772 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3773 3774 combined += min(q_vector->num_ring_tx, q_vector->num_ring_rx); 3775 } 3776 3777 return combined; 3778 } 3779 3780 /** 3781 * ice_get_channels - get the current and max supported channels 3782 * @dev: network interface device structure 3783 * @ch: ethtool channel data structure 3784 */ 3785 static void 3786 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3787 { 3788 struct ice_netdev_priv *np = netdev_priv(dev); 3789 struct ice_vsi *vsi = np->vsi; 3790 struct ice_pf *pf = vsi->back; 3791 3792 /* report maximum channels */ 3793 ch->max_rx = ice_get_max_rxq(pf); 3794 ch->max_tx = ice_get_max_txq(pf); 3795 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3796 3797 /* report current channels */ 3798 ch->combined_count = ice_get_combined_cnt(vsi); 3799 ch->rx_count = vsi->num_rxq - ch->combined_count; 3800 ch->tx_count = vsi->num_txq - ch->combined_count; 3801 3802 /* report other queues */ 3803 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3804 ch->max_other = ch->other_count; 3805 } 3806 3807 /** 3808 * ice_get_valid_rss_size - return valid number of RSS queues 3809 * @hw: pointer to the HW structure 3810 * @new_size: requested RSS queues 3811 */ 3812 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3813 { 3814 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3815 3816 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3817 } 3818 3819 /** 3820 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3821 * @vsi: VSI to reconfigure RSS LUT on 3822 * @req_rss_size: requested range of queue numbers for hashing 3823 * 3824 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3825 */ 3826 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3827 { 3828 struct ice_pf *pf = vsi->back; 3829 struct device *dev; 3830 struct ice_hw *hw; 3831 int err; 3832 u8 *lut; 3833 3834 dev = ice_pf_to_dev(pf); 3835 hw = &pf->hw; 3836 3837 if (!req_rss_size) 3838 return -EINVAL; 3839 3840 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3841 if (!lut) 3842 return -ENOMEM; 3843 3844 /* set RSS LUT parameters */ 3845 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3846 vsi->rss_size = 1; 3847 else 3848 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3849 3850 /* create/set RSS LUT */ 3851 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3852 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3853 if (err) 3854 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3855 libie_aq_str(hw->adminq.sq_last_status)); 3856 3857 kfree(lut); 3858 return err; 3859 } 3860 3861 /** 3862 * ice_set_channels - set the number channels 3863 * @dev: network interface device structure 3864 * @ch: ethtool channel data structure 3865 */ 3866 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3867 { 3868 struct ice_netdev_priv *np = netdev_priv(dev); 3869 struct ice_vsi *vsi = np->vsi; 3870 struct ice_pf *pf = vsi->back; 3871 int new_rx = 0, new_tx = 0; 3872 bool locked = false; 3873 int ret = 0; 3874 3875 /* do not support changing channels in Safe Mode */ 3876 if (ice_is_safe_mode(pf)) { 3877 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3878 return -EOPNOTSUPP; 3879 } 3880 /* do not support changing other_count */ 3881 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3882 return -EINVAL; 3883 3884 if (ice_is_adq_active(pf)) { 3885 netdev_err(dev, "Cannot set channels with ADQ configured.\n"); 3886 return -EOPNOTSUPP; 3887 } 3888 3889 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3890 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3891 return -EOPNOTSUPP; 3892 } 3893 3894 if (ch->rx_count && ch->tx_count) { 3895 netdev_err(dev, "Dedicated RX or TX channels cannot be used simultaneously\n"); 3896 return -EINVAL; 3897 } 3898 3899 new_rx = ch->combined_count + ch->rx_count; 3900 new_tx = ch->combined_count + ch->tx_count; 3901 3902 if (new_rx < vsi->tc_cfg.numtc) { 3903 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n", 3904 vsi->tc_cfg.numtc); 3905 return -EINVAL; 3906 } 3907 if (new_tx < vsi->tc_cfg.numtc) { 3908 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n", 3909 vsi->tc_cfg.numtc); 3910 return -EINVAL; 3911 } 3912 if (new_rx > ice_get_max_rxq(pf)) { 3913 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3914 ice_get_max_rxq(pf)); 3915 return -EINVAL; 3916 } 3917 if (new_tx > ice_get_max_txq(pf)) { 3918 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3919 ice_get_max_txq(pf)); 3920 return -EINVAL; 3921 } 3922 3923 if (pf->cdev_info && pf->cdev_info->adev) { 3924 mutex_lock(&pf->adev_mutex); 3925 device_lock(&pf->cdev_info->adev->dev); 3926 locked = true; 3927 if (pf->cdev_info->adev->dev.driver) { 3928 netdev_err(dev, "Cannot change channels when RDMA is active\n"); 3929 ret = -EBUSY; 3930 goto adev_unlock; 3931 } 3932 } 3933 3934 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked); 3935 3936 if (!netif_is_rxfh_configured(dev)) { 3937 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3938 goto adev_unlock; 3939 } 3940 3941 /* Update rss_size due to change in Rx queues */ 3942 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3943 3944 adev_unlock: 3945 if (locked) { 3946 device_unlock(&pf->cdev_info->adev->dev); 3947 mutex_unlock(&pf->adev_mutex); 3948 } 3949 return ret; 3950 } 3951 3952 /** 3953 * ice_get_wol - get current Wake on LAN configuration 3954 * @netdev: network interface device structure 3955 * @wol: Ethtool structure to retrieve WoL settings 3956 */ 3957 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3958 { 3959 struct ice_netdev_priv *np = netdev_priv(netdev); 3960 struct ice_pf *pf = np->vsi->back; 3961 3962 if (np->vsi->type != ICE_VSI_PF) 3963 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3964 3965 /* Get WoL settings based on the HW capability */ 3966 if (ice_is_wol_supported(&pf->hw)) { 3967 wol->supported = WAKE_MAGIC; 3968 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3969 } else { 3970 wol->supported = 0; 3971 wol->wolopts = 0; 3972 } 3973 } 3974 3975 /** 3976 * ice_set_wol - set Wake on LAN on supported device 3977 * @netdev: network interface device structure 3978 * @wol: Ethtool structure to set WoL 3979 */ 3980 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3981 { 3982 struct ice_netdev_priv *np = netdev_priv(netdev); 3983 struct ice_vsi *vsi = np->vsi; 3984 struct ice_pf *pf = vsi->back; 3985 3986 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 3987 return -EOPNOTSUPP; 3988 3989 /* only magic packet is supported */ 3990 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3991 return -EOPNOTSUPP; 3992 3993 /* Set WoL only if there is a new value */ 3994 if (pf->wol_ena != !!wol->wolopts) { 3995 pf->wol_ena = !!wol->wolopts; 3996 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3997 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3998 pf->wol_ena ? "en" : "dis"); 3999 } 4000 4001 return 0; 4002 } 4003 4004 /** 4005 * ice_get_rc_coalesce - get ITR values for specific ring container 4006 * @ec: ethtool structure to fill with driver's coalesce settings 4007 * @rc: ring container that the ITR values will come from 4008 * 4009 * Query the device for ice_ring_container specific ITR values. This is 4010 * done per ice_ring_container because each q_vector can have 1 or more rings 4011 * and all of said ring(s) will have the same ITR values. 4012 * 4013 * Returns 0 on success, negative otherwise. 4014 */ 4015 static int 4016 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc) 4017 { 4018 if (!rc->rx_ring) 4019 return -EINVAL; 4020 4021 switch (rc->type) { 4022 case ICE_RX_CONTAINER: 4023 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 4024 ec->rx_coalesce_usecs = rc->itr_setting; 4025 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl; 4026 break; 4027 case ICE_TX_CONTAINER: 4028 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 4029 ec->tx_coalesce_usecs = rc->itr_setting; 4030 break; 4031 default: 4032 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type); 4033 return -EINVAL; 4034 } 4035 4036 return 0; 4037 } 4038 4039 /** 4040 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 4041 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 4042 * @ec: coalesce settings to program the device with 4043 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 4044 * 4045 * Return 0 on success, and negative under the following conditions: 4046 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 4047 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 4048 */ 4049 static int 4050 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 4051 { 4052 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 4053 if (ice_get_rc_coalesce(ec, 4054 &vsi->rx_rings[q_num]->q_vector->rx)) 4055 return -EINVAL; 4056 if (ice_get_rc_coalesce(ec, 4057 &vsi->tx_rings[q_num]->q_vector->tx)) 4058 return -EINVAL; 4059 } else if (q_num < vsi->num_rxq) { 4060 if (ice_get_rc_coalesce(ec, 4061 &vsi->rx_rings[q_num]->q_vector->rx)) 4062 return -EINVAL; 4063 } else if (q_num < vsi->num_txq) { 4064 if (ice_get_rc_coalesce(ec, 4065 &vsi->tx_rings[q_num]->q_vector->tx)) 4066 return -EINVAL; 4067 } else { 4068 return -EINVAL; 4069 } 4070 4071 return 0; 4072 } 4073 4074 /** 4075 * __ice_get_coalesce - get ITR/INTRL values for the device 4076 * @netdev: pointer to the netdev associated with this query 4077 * @ec: ethtool structure to fill with driver's coalesce settings 4078 * @q_num: queue number to get the coalesce settings for 4079 * 4080 * If the caller passes in a negative q_num then we return coalesce settings 4081 * based on queue number 0, else use the actual q_num passed in. 4082 */ 4083 static int 4084 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 4085 int q_num) 4086 { 4087 struct ice_netdev_priv *np = netdev_priv(netdev); 4088 struct ice_vsi *vsi = np->vsi; 4089 4090 if (q_num < 0) 4091 q_num = 0; 4092 4093 if (ice_get_q_coalesce(vsi, ec, q_num)) 4094 return -EINVAL; 4095 4096 return 0; 4097 } 4098 4099 static int ice_get_coalesce(struct net_device *netdev, 4100 struct ethtool_coalesce *ec, 4101 struct kernel_ethtool_coalesce *kernel_coal, 4102 struct netlink_ext_ack *extack) 4103 { 4104 return __ice_get_coalesce(netdev, ec, -1); 4105 } 4106 4107 static int 4108 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 4109 struct ethtool_coalesce *ec) 4110 { 4111 return __ice_get_coalesce(netdev, ec, q_num); 4112 } 4113 4114 /** 4115 * ice_set_rc_coalesce - set ITR values for specific ring container 4116 * @ec: ethtool structure from user to update ITR settings 4117 * @rc: ring container that the ITR values will come from 4118 * @vsi: VSI associated to the ring container 4119 * 4120 * Set specific ITR values. This is done per ice_ring_container because each 4121 * q_vector can have 1 or more rings and all of said ring(s) will have the same 4122 * ITR values. 4123 * 4124 * Returns 0 on success, negative otherwise. 4125 */ 4126 static int 4127 ice_set_rc_coalesce(struct ethtool_coalesce *ec, 4128 struct ice_ring_container *rc, struct ice_vsi *vsi) 4129 { 4130 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx"; 4131 u32 use_adaptive_coalesce, coalesce_usecs; 4132 struct ice_pf *pf = vsi->back; 4133 u16 itr_setting; 4134 4135 if (!rc->rx_ring) 4136 return -EINVAL; 4137 4138 switch (rc->type) { 4139 case ICE_RX_CONTAINER: 4140 { 4141 struct ice_q_vector *q_vector = rc->rx_ring->q_vector; 4142 4143 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 4144 (ec->rx_coalesce_usecs_high && 4145 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 4146 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 4147 c_type_str, pf->hw.intrl_gran, 4148 ICE_MAX_INTRL); 4149 return -EINVAL; 4150 } 4151 if (ec->rx_coalesce_usecs_high != q_vector->intrl && 4152 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 4153 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 4154 c_type_str); 4155 return -EINVAL; 4156 } 4157 if (ec->rx_coalesce_usecs_high != q_vector->intrl) 4158 q_vector->intrl = ec->rx_coalesce_usecs_high; 4159 4160 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 4161 coalesce_usecs = ec->rx_coalesce_usecs; 4162 4163 break; 4164 } 4165 case ICE_TX_CONTAINER: 4166 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 4167 coalesce_usecs = ec->tx_coalesce_usecs; 4168 4169 break; 4170 default: 4171 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 4172 rc->type); 4173 return -EINVAL; 4174 } 4175 4176 itr_setting = rc->itr_setting; 4177 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 4178 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 4179 c_type_str, c_type_str); 4180 return -EINVAL; 4181 } 4182 4183 if (coalesce_usecs > ICE_ITR_MAX) { 4184 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 4185 c_type_str, ICE_ITR_MAX); 4186 return -EINVAL; 4187 } 4188 4189 if (use_adaptive_coalesce) { 4190 rc->itr_mode = ITR_DYNAMIC; 4191 } else { 4192 rc->itr_mode = ITR_STATIC; 4193 /* store user facing value how it was set */ 4194 rc->itr_setting = coalesce_usecs; 4195 /* write the change to the register */ 4196 ice_write_itr(rc, coalesce_usecs); 4197 /* force writes to take effect immediately, the flush shouldn't 4198 * be done in the functions above because the intent is for 4199 * them to do lazy writes. 4200 */ 4201 ice_flush(&pf->hw); 4202 } 4203 4204 return 0; 4205 } 4206 4207 /** 4208 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 4209 * @vsi: VSI associated to the queue that need updating 4210 * @ec: coalesce settings to program the device with 4211 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 4212 * 4213 * Return 0 on success, and negative under the following conditions: 4214 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 4215 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 4216 */ 4217 static int 4218 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 4219 { 4220 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 4221 if (ice_set_rc_coalesce(ec, 4222 &vsi->rx_rings[q_num]->q_vector->rx, 4223 vsi)) 4224 return -EINVAL; 4225 4226 if (ice_set_rc_coalesce(ec, 4227 &vsi->tx_rings[q_num]->q_vector->tx, 4228 vsi)) 4229 return -EINVAL; 4230 } else if (q_num < vsi->num_rxq) { 4231 if (ice_set_rc_coalesce(ec, 4232 &vsi->rx_rings[q_num]->q_vector->rx, 4233 vsi)) 4234 return -EINVAL; 4235 } else if (q_num < vsi->num_txq) { 4236 if (ice_set_rc_coalesce(ec, 4237 &vsi->tx_rings[q_num]->q_vector->tx, 4238 vsi)) 4239 return -EINVAL; 4240 } else { 4241 return -EINVAL; 4242 } 4243 4244 return 0; 4245 } 4246 4247 /** 4248 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 4249 * @netdev: netdev used for print 4250 * @itr_setting: previous user setting 4251 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 4252 * @coalesce_usecs: requested value of [tx|rx]-usecs 4253 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 4254 */ 4255 static void 4256 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 4257 u32 use_adaptive_coalesce, u32 coalesce_usecs, 4258 const char *c_type_str) 4259 { 4260 if (use_adaptive_coalesce) 4261 return; 4262 4263 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 4264 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", 4265 c_type_str, coalesce_usecs, c_type_str, 4266 ITR_REG_ALIGN(coalesce_usecs)); 4267 } 4268 4269 /** 4270 * __ice_set_coalesce - set ITR/INTRL values for the device 4271 * @netdev: pointer to the netdev associated with this query 4272 * @ec: ethtool structure to fill with driver's coalesce settings 4273 * @q_num: queue number to get the coalesce settings for 4274 * 4275 * If the caller passes in a negative q_num then we set the coalesce settings 4276 * for all Tx/Rx queues, else use the actual q_num passed in. 4277 */ 4278 static int 4279 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 4280 int q_num) 4281 { 4282 struct ice_netdev_priv *np = netdev_priv(netdev); 4283 struct ice_vsi *vsi = np->vsi; 4284 4285 if (q_num < 0) { 4286 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 4287 int v_idx; 4288 4289 if (q_vector) { 4290 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 4291 ec->use_adaptive_rx_coalesce, 4292 ec->rx_coalesce_usecs, "rx"); 4293 4294 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 4295 ec->use_adaptive_tx_coalesce, 4296 ec->tx_coalesce_usecs, "tx"); 4297 } 4298 4299 ice_for_each_q_vector(vsi, v_idx) { 4300 /* In some cases if DCB is configured the num_[rx|tx]q 4301 * can be less than vsi->num_q_vectors. This check 4302 * accounts for that so we don't report a false failure 4303 */ 4304 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 4305 goto set_complete; 4306 4307 if (ice_set_q_coalesce(vsi, ec, v_idx)) 4308 return -EINVAL; 4309 4310 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]); 4311 } 4312 goto set_complete; 4313 } 4314 4315 if (ice_set_q_coalesce(vsi, ec, q_num)) 4316 return -EINVAL; 4317 4318 ice_set_q_vector_intrl(vsi->q_vectors[q_num]); 4319 4320 set_complete: 4321 return 0; 4322 } 4323 4324 static int ice_set_coalesce(struct net_device *netdev, 4325 struct ethtool_coalesce *ec, 4326 struct kernel_ethtool_coalesce *kernel_coal, 4327 struct netlink_ext_ack *extack) 4328 { 4329 return __ice_set_coalesce(netdev, ec, -1); 4330 } 4331 4332 static int 4333 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 4334 struct ethtool_coalesce *ec) 4335 { 4336 return __ice_set_coalesce(netdev, ec, q_num); 4337 } 4338 4339 static void 4340 ice_repr_get_drvinfo(struct net_device *netdev, 4341 struct ethtool_drvinfo *drvinfo) 4342 { 4343 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4344 4345 if (repr->ops.ready(repr)) 4346 return; 4347 4348 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi); 4349 } 4350 4351 static void 4352 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 4353 { 4354 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4355 4356 /* for port representors only ETH_SS_STATS is supported */ 4357 if (repr->ops.ready(repr) || stringset != ETH_SS_STATS) 4358 return; 4359 4360 __ice_get_strings(netdev, stringset, data, repr->src_vsi); 4361 } 4362 4363 static void 4364 ice_repr_get_ethtool_stats(struct net_device *netdev, 4365 struct ethtool_stats __always_unused *stats, 4366 u64 *data) 4367 { 4368 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4369 4370 if (repr->ops.ready(repr)) 4371 return; 4372 4373 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi); 4374 } 4375 4376 static int ice_repr_get_sset_count(struct net_device *netdev, int sset) 4377 { 4378 switch (sset) { 4379 case ETH_SS_STATS: 4380 return ICE_VSI_STATS_LEN; 4381 default: 4382 return -EOPNOTSUPP; 4383 } 4384 } 4385 4386 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 4387 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 4388 #define ICE_MODULE_TYPE_SFP 0x03 4389 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 4390 #define ICE_MODULE_TYPE_QSFP28 0x11 4391 #define ICE_MODULE_SFF_ADDR_MODE 0x04 4392 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 4393 #define ICE_MODULE_REVISION_ADDR 0x01 4394 #define ICE_MODULE_SFF_8472_COMP 0x5E 4395 #define ICE_MODULE_SFF_8472_SWAP 0x5C 4396 #define ICE_MODULE_QSFP_MAX_LEN 640 4397 4398 /** 4399 * ice_get_module_info - get SFF module type and revision information 4400 * @netdev: network interface device structure 4401 * @modinfo: module EEPROM size and layout information structure 4402 */ 4403 static int 4404 ice_get_module_info(struct net_device *netdev, 4405 struct ethtool_modinfo *modinfo) 4406 { 4407 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4408 struct ice_hw *hw = &pf->hw; 4409 u8 sff8472_comp = 0; 4410 u8 sff8472_swap = 0; 4411 u8 sff8636_rev = 0; 4412 u8 value = 0; 4413 int status; 4414 4415 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 4416 0, &value, 1, 0, NULL); 4417 if (status) 4418 return status; 4419 4420 switch (value) { 4421 case ICE_MODULE_TYPE_SFP: 4422 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4423 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 4424 &sff8472_comp, 1, 0, NULL); 4425 if (status) 4426 return status; 4427 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4428 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 4429 &sff8472_swap, 1, 0, NULL); 4430 if (status) 4431 return status; 4432 4433 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 4434 modinfo->type = ETH_MODULE_SFF_8079; 4435 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4436 } else if (sff8472_comp && 4437 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 4438 modinfo->type = ETH_MODULE_SFF_8472; 4439 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 4440 } else { 4441 modinfo->type = ETH_MODULE_SFF_8079; 4442 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4443 } 4444 break; 4445 case ICE_MODULE_TYPE_QSFP_PLUS: 4446 case ICE_MODULE_TYPE_QSFP28: 4447 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4448 ICE_MODULE_REVISION_ADDR, 0x00, 0, 4449 &sff8636_rev, 1, 0, NULL); 4450 if (status) 4451 return status; 4452 /* Check revision compliance */ 4453 if (sff8636_rev > 0x02) { 4454 /* Module is SFF-8636 compliant */ 4455 modinfo->type = ETH_MODULE_SFF_8636; 4456 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4457 } else { 4458 modinfo->type = ETH_MODULE_SFF_8436; 4459 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4460 } 4461 break; 4462 default: 4463 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 4464 return -EINVAL; 4465 } 4466 return 0; 4467 } 4468 4469 /** 4470 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 4471 * @netdev: network interface device structure 4472 * @ee: EEPROM dump request structure 4473 * @data: buffer to be filled with EEPROM contents 4474 */ 4475 static int 4476 ice_get_module_eeprom(struct net_device *netdev, 4477 struct ethtool_eeprom *ee, u8 *data) 4478 { 4479 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4480 #define SFF_READ_BLOCK_SIZE 8 4481 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 4482 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 4483 struct ice_hw *hw = &pf->hw; 4484 bool is_sfp = false; 4485 unsigned int i, j; 4486 u16 offset = 0; 4487 u8 page = 0; 4488 int status; 4489 4490 if (!ee || !ee->len || !data) 4491 return -EINVAL; 4492 4493 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 4494 NULL); 4495 if (status) 4496 return status; 4497 4498 if (value[0] == ICE_MODULE_TYPE_SFP) 4499 is_sfp = true; 4500 4501 memset(data, 0, ee->len); 4502 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 4503 offset = i + ee->offset; 4504 page = 0; 4505 4506 /* Check if we need to access the other memory page */ 4507 if (is_sfp) { 4508 if (offset >= ETH_MODULE_SFF_8079_LEN) { 4509 offset -= ETH_MODULE_SFF_8079_LEN; 4510 addr = ICE_I2C_EEPROM_DEV_ADDR2; 4511 } 4512 } else { 4513 while (offset >= ETH_MODULE_SFF_8436_LEN) { 4514 /* Compute memory page number and offset. */ 4515 offset -= ETH_MODULE_SFF_8436_LEN / 2; 4516 page++; 4517 } 4518 } 4519 4520 /* Bit 2 of EEPROM address 0x02 declares upper 4521 * pages are disabled on QSFP modules. 4522 * SFP modules only ever use page 0. 4523 */ 4524 if (page == 0 || !(data[0x2] & 0x4)) { 4525 u32 copy_len; 4526 4527 /* If i2c bus is busy due to slow page change or 4528 * link management access, call can fail. This is normal. 4529 * So we retry this a few times. 4530 */ 4531 for (j = 0; j < 4; j++) { 4532 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 4533 !is_sfp, value, 4534 SFF_READ_BLOCK_SIZE, 4535 0, NULL); 4536 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n", 4537 addr, offset, page, is_sfp, 4538 value[0], value[1], value[2], value[3], 4539 value[4], value[5], value[6], value[7], 4540 status); 4541 if (status) { 4542 usleep_range(1500, 2500); 4543 memset(value, 0, SFF_READ_BLOCK_SIZE); 4544 continue; 4545 } 4546 break; 4547 } 4548 4549 /* Make sure we have enough room for the new block */ 4550 copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i); 4551 memcpy(data + i, value, copy_len); 4552 } 4553 } 4554 return 0; 4555 } 4556 4557 /** 4558 * ice_get_port_fec_stats - returns FEC correctable, uncorrectable stats per 4559 * pcsquad, pcsport 4560 * @hw: pointer to the HW struct 4561 * @pcs_quad: pcsquad for input port 4562 * @pcs_port: pcsport for input port 4563 * @fec_stats: buffer to hold FEC statistics for given port 4564 * 4565 * Return: 0 on success, negative on failure. 4566 */ 4567 static int ice_get_port_fec_stats(struct ice_hw *hw, u16 pcs_quad, u16 pcs_port, 4568 struct ethtool_fec_stats *fec_stats) 4569 { 4570 u32 fec_uncorr_low_val = 0, fec_uncorr_high_val = 0; 4571 u32 fec_corr_low_val = 0, fec_corr_high_val = 0; 4572 int err; 4573 4574 if (pcs_quad > 1 || pcs_port > 3) 4575 return -EINVAL; 4576 4577 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_LOW, 4578 &fec_corr_low_val); 4579 if (err) 4580 return err; 4581 4582 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_HIGH, 4583 &fec_corr_high_val); 4584 if (err) 4585 return err; 4586 4587 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, 4588 ICE_FEC_UNCORR_LOW, 4589 &fec_uncorr_low_val); 4590 if (err) 4591 return err; 4592 4593 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, 4594 ICE_FEC_UNCORR_HIGH, 4595 &fec_uncorr_high_val); 4596 if (err) 4597 return err; 4598 4599 fec_stats->corrected_blocks.total = (fec_corr_high_val << 16) + 4600 fec_corr_low_val; 4601 fec_stats->uncorrectable_blocks.total = (fec_uncorr_high_val << 16) + 4602 fec_uncorr_low_val; 4603 return 0; 4604 } 4605 4606 /** 4607 * ice_get_fec_stats - returns FEC correctable, uncorrectable stats per netdev 4608 * @netdev: network interface device structure 4609 * @fec_stats: buffer to hold FEC statistics for given port 4610 * @hist: buffer to put FEC histogram statistics for given port 4611 * 4612 */ 4613 static void ice_get_fec_stats(struct net_device *netdev, 4614 struct ethtool_fec_stats *fec_stats, 4615 struct ethtool_fec_hist *hist) 4616 { 4617 struct ice_netdev_priv *np = netdev_priv(netdev); 4618 struct ice_port_topology port_topology; 4619 struct ice_port_info *pi; 4620 struct ice_pf *pf; 4621 struct ice_hw *hw; 4622 int err; 4623 4624 pf = np->vsi->back; 4625 hw = &pf->hw; 4626 pi = np->vsi->port_info; 4627 4628 /* Serdes parameters are not supported if not the PF VSI */ 4629 if (np->vsi->type != ICE_VSI_PF || !pi) 4630 return; 4631 4632 err = ice_get_port_topology(hw, pi->lport, &port_topology); 4633 if (err) { 4634 netdev_info(netdev, "Extended register dump failed Lport %d\n", 4635 pi->lport); 4636 return; 4637 } 4638 4639 /* Get FEC correctable, uncorrectable counter */ 4640 err = ice_get_port_fec_stats(hw, port_topology.pcs_quad_select, 4641 port_topology.pcs_port, fec_stats); 4642 if (err) 4643 netdev_info(netdev, "FEC stats get failed Lport %d Err %d\n", 4644 pi->lport, err); 4645 } 4646 4647 static void ice_get_eth_mac_stats(struct net_device *netdev, 4648 struct ethtool_eth_mac_stats *mac_stats) 4649 { 4650 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4651 struct ice_hw_port_stats *ps = &pf->stats; 4652 4653 mac_stats->FramesTransmittedOK = ps->eth.tx_unicast + 4654 ps->eth.tx_multicast + 4655 ps->eth.tx_broadcast; 4656 mac_stats->FramesReceivedOK = ps->eth.rx_unicast + 4657 ps->eth.rx_multicast + 4658 ps->eth.rx_broadcast; 4659 mac_stats->FrameCheckSequenceErrors = ps->crc_errors; 4660 mac_stats->OctetsTransmittedOK = ps->eth.tx_bytes; 4661 mac_stats->OctetsReceivedOK = ps->eth.rx_bytes; 4662 mac_stats->MulticastFramesXmittedOK = ps->eth.tx_multicast; 4663 mac_stats->BroadcastFramesXmittedOK = ps->eth.tx_broadcast; 4664 mac_stats->MulticastFramesReceivedOK = ps->eth.rx_multicast; 4665 mac_stats->BroadcastFramesReceivedOK = ps->eth.rx_broadcast; 4666 mac_stats->InRangeLengthErrors = ps->rx_len_errors; 4667 mac_stats->FrameTooLongErrors = ps->rx_oversize; 4668 } 4669 4670 static void ice_get_pause_stats(struct net_device *netdev, 4671 struct ethtool_pause_stats *pause_stats) 4672 { 4673 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4674 struct ice_hw_port_stats *ps = &pf->stats; 4675 4676 pause_stats->tx_pause_frames = ps->link_xon_tx + ps->link_xoff_tx; 4677 pause_stats->rx_pause_frames = ps->link_xon_rx + ps->link_xoff_rx; 4678 } 4679 4680 static const struct ethtool_rmon_hist_range ice_rmon_ranges[] = { 4681 { 0, 64 }, 4682 { 65, 127 }, 4683 { 128, 255 }, 4684 { 256, 511 }, 4685 { 512, 1023 }, 4686 { 1024, 1522 }, 4687 { 1523, 9522 }, 4688 {} 4689 }; 4690 4691 static void ice_get_rmon_stats(struct net_device *netdev, 4692 struct ethtool_rmon_stats *rmon, 4693 const struct ethtool_rmon_hist_range **ranges) 4694 { 4695 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4696 struct ice_hw_port_stats *ps = &pf->stats; 4697 4698 rmon->undersize_pkts = ps->rx_undersize; 4699 rmon->oversize_pkts = ps->rx_oversize; 4700 rmon->fragments = ps->rx_fragments; 4701 rmon->jabbers = ps->rx_jabber; 4702 4703 rmon->hist[0] = ps->rx_size_64; 4704 rmon->hist[1] = ps->rx_size_127; 4705 rmon->hist[2] = ps->rx_size_255; 4706 rmon->hist[3] = ps->rx_size_511; 4707 rmon->hist[4] = ps->rx_size_1023; 4708 rmon->hist[5] = ps->rx_size_1522; 4709 rmon->hist[6] = ps->rx_size_big; 4710 4711 rmon->hist_tx[0] = ps->tx_size_64; 4712 rmon->hist_tx[1] = ps->tx_size_127; 4713 rmon->hist_tx[2] = ps->tx_size_255; 4714 rmon->hist_tx[3] = ps->tx_size_511; 4715 rmon->hist_tx[4] = ps->tx_size_1023; 4716 rmon->hist_tx[5] = ps->tx_size_1522; 4717 rmon->hist_tx[6] = ps->tx_size_big; 4718 4719 *ranges = ice_rmon_ranges; 4720 } 4721 4722 /* ice_get_ts_stats - provide timestamping stats 4723 * @netdev: the netdevice pointer from ethtool 4724 * @ts_stats: the ethtool data structure to fill in 4725 */ 4726 static void ice_get_ts_stats(struct net_device *netdev, 4727 struct ethtool_ts_stats *ts_stats) 4728 { 4729 struct ice_pf *pf = ice_netdev_to_pf(netdev); 4730 struct ice_ptp *ptp = &pf->ptp; 4731 4732 ts_stats->pkts = ptp->tx_hwtstamp_good; 4733 ts_stats->err = ptp->tx_hwtstamp_skipped + 4734 ptp->tx_hwtstamp_flushed + 4735 ptp->tx_hwtstamp_discarded; 4736 ts_stats->lost = ptp->tx_hwtstamp_timeouts; 4737 } 4738 4739 #define ICE_ETHTOOL_PFR (ETH_RESET_IRQ | ETH_RESET_DMA | \ 4740 ETH_RESET_FILTER | ETH_RESET_OFFLOAD) 4741 4742 #define ICE_ETHTOOL_CORER ((ICE_ETHTOOL_PFR | ETH_RESET_RAM) << \ 4743 ETH_RESET_SHARED_SHIFT) 4744 4745 #define ICE_ETHTOOL_GLOBR (ICE_ETHTOOL_CORER | \ 4746 (ETH_RESET_MAC << ETH_RESET_SHARED_SHIFT) | \ 4747 (ETH_RESET_PHY << ETH_RESET_SHARED_SHIFT)) 4748 4749 #define ICE_ETHTOOL_VFR ICE_ETHTOOL_PFR 4750 4751 /** 4752 * ice_ethtool_reset - triggers a given type of reset 4753 * @dev: network interface device structure 4754 * @flags: set of reset flags 4755 * 4756 * Return: 0 on success, -EOPNOTSUPP when using unsupported set of flags. 4757 */ 4758 static int ice_ethtool_reset(struct net_device *dev, u32 *flags) 4759 { 4760 struct ice_pf *pf = ice_netdev_to_pf(dev); 4761 enum ice_reset_req reset; 4762 4763 switch (*flags) { 4764 case ICE_ETHTOOL_CORER: 4765 reset = ICE_RESET_CORER; 4766 break; 4767 case ICE_ETHTOOL_GLOBR: 4768 reset = ICE_RESET_GLOBR; 4769 break; 4770 case ICE_ETHTOOL_PFR: 4771 reset = ICE_RESET_PFR; 4772 break; 4773 default: 4774 netdev_info(dev, "Unsupported set of ethtool flags"); 4775 return -EOPNOTSUPP; 4776 } 4777 4778 ice_schedule_reset(pf, reset); 4779 4780 *flags = 0; 4781 4782 return 0; 4783 } 4784 4785 /** 4786 * ice_repr_ethtool_reset - triggers a VF reset 4787 * @dev: network interface device structure 4788 * @flags: set of reset flags 4789 * 4790 * Return: 0 on success, 4791 * -EOPNOTSUPP when using unsupported set of flags 4792 * -EBUSY when VF is not ready for reset. 4793 */ 4794 static int ice_repr_ethtool_reset(struct net_device *dev, u32 *flags) 4795 { 4796 struct ice_repr *repr = ice_netdev_to_repr(dev); 4797 struct ice_vf *vf; 4798 4799 if (repr->type != ICE_REPR_TYPE_VF || 4800 *flags != ICE_ETHTOOL_VFR) 4801 return -EOPNOTSUPP; 4802 4803 vf = repr->vf; 4804 4805 if (ice_check_vf_ready_for_cfg(vf)) 4806 return -EBUSY; 4807 4808 *flags = 0; 4809 4810 return ice_reset_vf(vf, ICE_VF_RESET_VFLR | ICE_VF_RESET_LOCK); 4811 } 4812 4813 static const struct ethtool_ops ice_ethtool_ops = { 4814 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 4815 ETHTOOL_COALESCE_USE_ADAPTIVE | 4816 ETHTOOL_COALESCE_RX_USECS_HIGH, 4817 .supported_input_xfrm = RXH_XFRM_SYM_XOR, 4818 .get_link_ksettings = ice_get_link_ksettings, 4819 .set_link_ksettings = ice_set_link_ksettings, 4820 .get_fec_stats = ice_get_fec_stats, 4821 .get_eth_mac_stats = ice_get_eth_mac_stats, 4822 .get_pause_stats = ice_get_pause_stats, 4823 .get_rmon_stats = ice_get_rmon_stats, 4824 .get_ts_stats = ice_get_ts_stats, 4825 .get_drvinfo = ice_get_drvinfo, 4826 .get_regs_len = ice_get_regs_len, 4827 .get_regs = ice_get_regs, 4828 .get_wol = ice_get_wol, 4829 .set_wol = ice_set_wol, 4830 .get_msglevel = ice_get_msglevel, 4831 .set_msglevel = ice_set_msglevel, 4832 .self_test = ice_self_test, 4833 .get_link = ethtool_op_get_link, 4834 .get_link_ext_stats = ice_get_link_ext_stats, 4835 .get_eeprom_len = ice_get_eeprom_len, 4836 .get_eeprom = ice_get_eeprom, 4837 .get_coalesce = ice_get_coalesce, 4838 .set_coalesce = ice_set_coalesce, 4839 .get_strings = ice_get_strings, 4840 .set_phys_id = ice_set_phys_id, 4841 .get_ethtool_stats = ice_get_ethtool_stats, 4842 .get_priv_flags = ice_get_priv_flags, 4843 .set_priv_flags = ice_set_priv_flags, 4844 .get_sset_count = ice_get_sset_count, 4845 .get_rxnfc = ice_get_rxnfc, 4846 .set_rxnfc = ice_set_rxnfc, 4847 .get_ringparam = ice_get_ringparam, 4848 .set_ringparam = ice_set_ringparam, 4849 .nway_reset = ice_nway_reset, 4850 .get_pauseparam = ice_get_pauseparam, 4851 .set_pauseparam = ice_set_pauseparam, 4852 .reset = ice_ethtool_reset, 4853 .get_rxfh_key_size = ice_get_rxfh_key_size, 4854 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4855 .get_rxfh = ice_get_rxfh, 4856 .set_rxfh = ice_set_rxfh, 4857 .get_rxfh_fields = ice_get_rxfh_fields, 4858 .set_rxfh_fields = ice_set_rxfh_fields, 4859 .get_channels = ice_get_channels, 4860 .set_channels = ice_set_channels, 4861 .get_ts_info = ice_get_ts_info, 4862 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4863 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4864 .get_fecparam = ice_get_fecparam, 4865 .set_fecparam = ice_set_fecparam, 4866 .get_module_info = ice_get_module_info, 4867 .get_module_eeprom = ice_get_module_eeprom, 4868 }; 4869 4870 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4871 .get_link_ksettings = ice_get_link_ksettings, 4872 .set_link_ksettings = ice_set_link_ksettings, 4873 .get_drvinfo = ice_get_drvinfo, 4874 .get_regs_len = ice_get_regs_len, 4875 .get_regs = ice_get_regs, 4876 .get_wol = ice_get_wol, 4877 .set_wol = ice_set_wol, 4878 .get_msglevel = ice_get_msglevel, 4879 .set_msglevel = ice_set_msglevel, 4880 .get_link = ethtool_op_get_link, 4881 .get_eeprom_len = ice_get_eeprom_len, 4882 .get_eeprom = ice_get_eeprom, 4883 .get_strings = ice_get_strings, 4884 .get_ethtool_stats = ice_get_ethtool_stats, 4885 .get_sset_count = ice_get_sset_count, 4886 .get_ringparam = ice_get_ringparam, 4887 .set_ringparam = ice_set_ringparam, 4888 .nway_reset = ice_nway_reset, 4889 .get_channels = ice_get_channels, 4890 }; 4891 4892 /** 4893 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4894 * @netdev: network interface device structure 4895 */ 4896 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4897 { 4898 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4899 } 4900 4901 static const struct ethtool_ops ice_ethtool_repr_ops = { 4902 .get_drvinfo = ice_repr_get_drvinfo, 4903 .get_link = ethtool_op_get_link, 4904 .get_strings = ice_repr_get_strings, 4905 .get_ethtool_stats = ice_repr_get_ethtool_stats, 4906 .get_sset_count = ice_repr_get_sset_count, 4907 .reset = ice_repr_ethtool_reset, 4908 }; 4909 4910 /** 4911 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops 4912 * @netdev: network interface device structure 4913 */ 4914 void ice_set_ethtool_repr_ops(struct net_device *netdev) 4915 { 4916 netdev->ethtool_ops = &ice_ethtool_repr_ops; 4917 } 4918 4919 /** 4920 * ice_set_ethtool_ops - setup netdev ethtool ops 4921 * @netdev: network interface device structure 4922 * 4923 * setup netdev ethtool ops with ice specific ops 4924 */ 4925 void ice_set_ethtool_ops(struct net_device *netdev) 4926 { 4927 netdev->ethtool_ops = &ice_ethtool_ops; 4928 } 4929