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 } 468 469 static void 470 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 471 { 472 struct ice_netdev_priv *np = netdev_priv(netdev); 473 struct ice_pf *pf = np->vsi->back; 474 struct ice_hw *hw = &pf->hw; 475 u32 *regs_buf = (u32 *)p; 476 unsigned int i; 477 478 regs->version = 1; 479 480 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 481 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 482 } 483 484 static u32 ice_get_msglevel(struct net_device *netdev) 485 { 486 struct ice_netdev_priv *np = netdev_priv(netdev); 487 struct ice_pf *pf = np->vsi->back; 488 489 #ifndef CONFIG_DYNAMIC_DEBUG 490 if (pf->hw.debug_mask) 491 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 492 pf->hw.debug_mask); 493 #endif /* !CONFIG_DYNAMIC_DEBUG */ 494 495 return pf->msg_enable; 496 } 497 498 static void ice_set_msglevel(struct net_device *netdev, u32 data) 499 { 500 struct ice_netdev_priv *np = netdev_priv(netdev); 501 struct ice_pf *pf = np->vsi->back; 502 503 #ifndef CONFIG_DYNAMIC_DEBUG 504 if (ICE_DBG_USER & data) 505 pf->hw.debug_mask = data; 506 else 507 pf->msg_enable = data; 508 #else 509 pf->msg_enable = data; 510 #endif /* !CONFIG_DYNAMIC_DEBUG */ 511 } 512 513 static int ice_get_eeprom_len(struct net_device *netdev) 514 { 515 struct ice_netdev_priv *np = netdev_priv(netdev); 516 struct ice_pf *pf = np->vsi->back; 517 518 return (int)pf->hw.flash.flash_size; 519 } 520 521 static int 522 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 523 u8 *bytes) 524 { 525 struct ice_netdev_priv *np = netdev_priv(netdev); 526 struct ice_vsi *vsi = np->vsi; 527 struct ice_pf *pf = vsi->back; 528 struct ice_hw *hw = &pf->hw; 529 struct device *dev; 530 int ret; 531 u8 *buf; 532 533 dev = ice_pf_to_dev(pf); 534 535 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 536 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 537 eeprom->cmd, eeprom->offset, eeprom->len); 538 539 buf = kzalloc(eeprom->len, GFP_KERNEL); 540 if (!buf) 541 return -ENOMEM; 542 543 ret = ice_acquire_nvm(hw, ICE_RES_READ); 544 if (ret) { 545 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n", 546 ret, ice_aq_str(hw->adminq.sq_last_status)); 547 goto out; 548 } 549 550 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 551 false); 552 if (ret) { 553 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n", 554 ret, ice_aq_str(hw->adminq.sq_last_status)); 555 goto release; 556 } 557 558 memcpy(bytes, buf, eeprom->len); 559 release: 560 ice_release_nvm(hw); 561 out: 562 kfree(buf); 563 return ret; 564 } 565 566 /** 567 * ice_active_vfs - check if there are any active VFs 568 * @pf: board private structure 569 * 570 * Returns true if an active VF is found, otherwise returns false 571 */ 572 static bool ice_active_vfs(struct ice_pf *pf) 573 { 574 bool active = false; 575 struct ice_vf *vf; 576 unsigned int bkt; 577 578 rcu_read_lock(); 579 ice_for_each_vf_rcu(pf, bkt, vf) { 580 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 581 active = true; 582 break; 583 } 584 } 585 rcu_read_unlock(); 586 587 return active; 588 } 589 590 /** 591 * ice_link_test - perform a link test on a given net_device 592 * @netdev: network interface device structure 593 * 594 * This function performs one of the self-tests required by ethtool. 595 * Returns 0 on success, non-zero on failure. 596 */ 597 static u64 ice_link_test(struct net_device *netdev) 598 { 599 struct ice_netdev_priv *np = netdev_priv(netdev); 600 bool link_up = false; 601 int status; 602 603 netdev_info(netdev, "link test\n"); 604 status = ice_get_link_status(np->vsi->port_info, &link_up); 605 if (status) { 606 netdev_err(netdev, "link query error, status = %d\n", 607 status); 608 return 1; 609 } 610 611 if (!link_up) 612 return 2; 613 614 return 0; 615 } 616 617 /** 618 * ice_eeprom_test - perform an EEPROM test on a given net_device 619 * @netdev: network interface device structure 620 * 621 * This function performs one of the self-tests required by ethtool. 622 * Returns 0 on success, non-zero on failure. 623 */ 624 static u64 ice_eeprom_test(struct net_device *netdev) 625 { 626 struct ice_netdev_priv *np = netdev_priv(netdev); 627 struct ice_pf *pf = np->vsi->back; 628 629 netdev_info(netdev, "EEPROM test\n"); 630 return !!(ice_nvm_validate_checksum(&pf->hw)); 631 } 632 633 /** 634 * ice_reg_pattern_test 635 * @hw: pointer to the HW struct 636 * @reg: reg to be tested 637 * @mask: bits to be touched 638 */ 639 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 640 { 641 struct ice_pf *pf = (struct ice_pf *)hw->back; 642 struct device *dev = ice_pf_to_dev(pf); 643 static const u32 patterns[] = { 644 0x5A5A5A5A, 0xA5A5A5A5, 645 0x00000000, 0xFFFFFFFF 646 }; 647 u32 val, orig_val; 648 unsigned int i; 649 650 orig_val = rd32(hw, reg); 651 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 652 u32 pattern = patterns[i] & mask; 653 654 wr32(hw, reg, pattern); 655 val = rd32(hw, reg); 656 if (val == pattern) 657 continue; 658 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 659 , __func__, reg, pattern, val); 660 return 1; 661 } 662 663 wr32(hw, reg, orig_val); 664 val = rd32(hw, reg); 665 if (val != orig_val) { 666 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 667 , __func__, reg, orig_val, val); 668 return 1; 669 } 670 671 return 0; 672 } 673 674 /** 675 * ice_reg_test - perform a register test on a given net_device 676 * @netdev: network interface device structure 677 * 678 * This function performs one of the self-tests required by ethtool. 679 * Returns 0 on success, non-zero on failure. 680 */ 681 static u64 ice_reg_test(struct net_device *netdev) 682 { 683 struct ice_netdev_priv *np = netdev_priv(netdev); 684 struct ice_hw *hw = np->vsi->port_info->hw; 685 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 686 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 687 struct ice_diag_reg_test_info { 688 u32 address; 689 u32 mask; 690 u32 elem_num; 691 u32 elem_size; 692 } ice_reg_list[] = { 693 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 694 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 695 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 696 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 697 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 698 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 699 {GLINT_CTL, 0xffff0001, 1, 0} 700 }; 701 unsigned int i; 702 703 netdev_dbg(netdev, "Register test\n"); 704 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 705 u32 j; 706 707 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 708 u32 mask = ice_reg_list[i].mask; 709 u32 reg = ice_reg_list[i].address + 710 (j * ice_reg_list[i].elem_size); 711 712 /* bail on failure (non-zero return) */ 713 if (ice_reg_pattern_test(hw, reg, mask)) 714 return 1; 715 } 716 } 717 718 return 0; 719 } 720 721 /** 722 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 723 * @vsi: pointer to the VSI structure 724 * 725 * Function configures rings of a VSI for loopback test without 726 * enabling interrupts or informing the kernel about new queues. 727 * 728 * Returns 0 on success, negative on failure. 729 */ 730 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 731 { 732 int status; 733 734 status = ice_vsi_setup_tx_rings(vsi); 735 if (status) 736 goto err_setup_tx_ring; 737 738 status = ice_vsi_setup_rx_rings(vsi); 739 if (status) 740 goto err_setup_rx_ring; 741 742 status = ice_vsi_cfg_lan(vsi); 743 if (status) 744 goto err_setup_rx_ring; 745 746 status = ice_vsi_start_all_rx_rings(vsi); 747 if (status) 748 goto err_start_rx_ring; 749 750 return 0; 751 752 err_start_rx_ring: 753 ice_vsi_free_rx_rings(vsi); 754 err_setup_rx_ring: 755 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 756 err_setup_tx_ring: 757 ice_vsi_free_tx_rings(vsi); 758 759 return status; 760 } 761 762 /** 763 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 764 * @vsi: pointer to the VSI structure 765 * 766 * Function stops and frees VSI rings after a loopback test. 767 * Returns 0 on success, negative on failure. 768 */ 769 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 770 { 771 int status; 772 773 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 774 if (status) 775 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 776 vsi->vsi_num, status); 777 778 status = ice_vsi_stop_all_rx_rings(vsi); 779 if (status) 780 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 781 vsi->vsi_num, status); 782 783 ice_vsi_free_tx_rings(vsi); 784 ice_vsi_free_rx_rings(vsi); 785 786 return status; 787 } 788 789 /** 790 * ice_lbtest_create_frame - create test packet 791 * @pf: pointer to the PF structure 792 * @ret_data: allocated frame buffer 793 * @size: size of the packet data 794 * 795 * Function allocates a frame with a test pattern on specific offsets. 796 * Returns 0 on success, non-zero on failure. 797 */ 798 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 799 { 800 u8 *data; 801 802 if (!pf) 803 return -EINVAL; 804 805 data = kzalloc(size, GFP_KERNEL); 806 if (!data) 807 return -ENOMEM; 808 809 /* Since the ethernet test frame should always be at least 810 * 64 bytes long, fill some octets in the payload with test data. 811 */ 812 memset(data, 0xFF, size); 813 data[32] = 0xDE; 814 data[42] = 0xAD; 815 data[44] = 0xBE; 816 data[46] = 0xEF; 817 818 *ret_data = data; 819 820 return 0; 821 } 822 823 /** 824 * ice_lbtest_check_frame - verify received loopback frame 825 * @frame: pointer to the raw packet data 826 * 827 * Function verifies received test frame with a pattern. 828 * Returns true if frame matches the pattern, false otherwise. 829 */ 830 static bool ice_lbtest_check_frame(u8 *frame) 831 { 832 /* Validate bytes of a frame under offsets chosen earlier */ 833 if (frame[32] == 0xDE && 834 frame[42] == 0xAD && 835 frame[44] == 0xBE && 836 frame[46] == 0xEF && 837 frame[48] == 0xFF) 838 return true; 839 840 return false; 841 } 842 843 /** 844 * ice_diag_send - send test frames to the test ring 845 * @tx_ring: pointer to the transmit ring 846 * @data: pointer to the raw packet data 847 * @size: size of the packet to send 848 * 849 * Function sends loopback packets on a test Tx ring. 850 */ 851 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size) 852 { 853 struct ice_tx_desc *tx_desc; 854 struct ice_tx_buf *tx_buf; 855 dma_addr_t dma; 856 u64 td_cmd; 857 858 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 859 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 860 861 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 862 if (dma_mapping_error(tx_ring->dev, dma)) 863 return -EINVAL; 864 865 tx_desc->buf_addr = cpu_to_le64(dma); 866 867 /* These flags are required for a descriptor to be pushed out */ 868 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 869 tx_desc->cmd_type_offset_bsz = 870 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 871 (td_cmd << ICE_TXD_QW1_CMD_S) | 872 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 873 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 874 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 875 876 tx_buf->next_to_watch = tx_desc; 877 878 /* Force memory write to complete before letting h/w know 879 * there are new descriptors to fetch. 880 */ 881 wmb(); 882 883 tx_ring->next_to_use++; 884 if (tx_ring->next_to_use >= tx_ring->count) 885 tx_ring->next_to_use = 0; 886 887 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 888 889 /* Wait until the packets get transmitted to the receive queue. */ 890 usleep_range(1000, 2000); 891 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 892 893 return 0; 894 } 895 896 #define ICE_LB_FRAME_SIZE 64 897 /** 898 * ice_lbtest_receive_frames - receive and verify test frames 899 * @rx_ring: pointer to the receive ring 900 * 901 * Function receives loopback packets and verify their correctness. 902 * Returns number of received valid frames. 903 */ 904 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring) 905 { 906 struct ice_rx_buf *rx_buf; 907 int valid_frames, i; 908 u8 *received_buf; 909 910 valid_frames = 0; 911 912 for (i = 0; i < rx_ring->count; i++) { 913 union ice_32b_rx_flex_desc *rx_desc; 914 915 rx_desc = ICE_RX_DESC(rx_ring, i); 916 917 if (!(rx_desc->wb.status_error0 & 918 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) | 919 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S))))) 920 continue; 921 922 rx_buf = &rx_ring->rx_buf[i]; 923 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 924 925 if (ice_lbtest_check_frame(received_buf)) 926 valid_frames++; 927 } 928 929 return valid_frames; 930 } 931 932 /** 933 * ice_loopback_test - perform a loopback test on a given net_device 934 * @netdev: network interface device structure 935 * 936 * This function performs one of the self-tests required by ethtool. 937 * Returns 0 on success, non-zero on failure. 938 */ 939 static u64 ice_loopback_test(struct net_device *netdev) 940 { 941 struct ice_netdev_priv *np = netdev_priv(netdev); 942 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 943 struct ice_pf *pf = orig_vsi->back; 944 u8 broadcast[ETH_ALEN], ret = 0; 945 int num_frames, valid_frames; 946 struct ice_tx_ring *tx_ring; 947 struct ice_rx_ring *rx_ring; 948 u8 *tx_frame __free(kfree); 949 int i; 950 951 netdev_info(netdev, "loopback test\n"); 952 953 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 954 if (!test_vsi) { 955 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 956 return 1; 957 } 958 959 test_vsi->netdev = netdev; 960 tx_ring = test_vsi->tx_rings[0]; 961 rx_ring = test_vsi->rx_rings[0]; 962 963 if (ice_lbtest_prepare_rings(test_vsi)) { 964 ret = 2; 965 goto lbtest_vsi_close; 966 } 967 968 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 969 ret = 3; 970 goto lbtest_rings_dis; 971 } 972 973 /* Enable MAC loopback in firmware */ 974 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 975 ret = 4; 976 goto lbtest_mac_dis; 977 } 978 979 /* Test VSI needs to receive broadcast packets */ 980 eth_broadcast_addr(broadcast); 981 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 982 ret = 5; 983 goto lbtest_mac_dis; 984 } 985 986 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 987 ret = 7; 988 goto remove_mac_filters; 989 } 990 991 num_frames = min_t(int, tx_ring->count, 32); 992 for (i = 0; i < num_frames; i++) { 993 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 994 ret = 8; 995 goto remove_mac_filters; 996 } 997 } 998 999 valid_frames = ice_lbtest_receive_frames(rx_ring); 1000 if (!valid_frames) 1001 ret = 9; 1002 else if (valid_frames != num_frames) 1003 ret = 10; 1004 1005 remove_mac_filters: 1006 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 1007 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 1008 lbtest_mac_dis: 1009 /* Disable MAC loopback after the test is completed. */ 1010 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 1011 netdev_err(netdev, "Could not disable MAC loopback\n"); 1012 lbtest_rings_dis: 1013 if (ice_lbtest_disable_rings(test_vsi)) 1014 netdev_err(netdev, "Could not disable test rings\n"); 1015 lbtest_vsi_close: 1016 test_vsi->netdev = NULL; 1017 if (ice_vsi_release(test_vsi)) 1018 netdev_err(netdev, "Failed to remove the test VSI\n"); 1019 1020 return ret; 1021 } 1022 1023 /** 1024 * ice_intr_test - perform an interrupt test on a given net_device 1025 * @netdev: network interface device structure 1026 * 1027 * This function performs one of the self-tests required by ethtool. 1028 * Returns 0 on success, non-zero on failure. 1029 */ 1030 static u64 ice_intr_test(struct net_device *netdev) 1031 { 1032 struct ice_netdev_priv *np = netdev_priv(netdev); 1033 struct ice_pf *pf = np->vsi->back; 1034 u16 swic_old = pf->sw_int_count; 1035 1036 netdev_info(netdev, "interrupt test\n"); 1037 1038 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index), 1039 GLINT_DYN_CTL_SW_ITR_INDX_M | 1040 GLINT_DYN_CTL_INTENA_MSK_M | 1041 GLINT_DYN_CTL_SWINT_TRIG_M); 1042 1043 usleep_range(1000, 2000); 1044 return (swic_old == pf->sw_int_count); 1045 } 1046 1047 /** 1048 * ice_self_test - handler function for performing a self-test by ethtool 1049 * @netdev: network interface device structure 1050 * @eth_test: ethtool_test structure 1051 * @data: required by ethtool.self_test 1052 * 1053 * This function is called after invoking 'ethtool -t devname' command where 1054 * devname is the name of the network device on which ethtool should operate. 1055 * It performs a set of self-tests to check if a device works properly. 1056 */ 1057 static void 1058 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 1059 u64 *data) 1060 { 1061 struct ice_netdev_priv *np = netdev_priv(netdev); 1062 bool if_running = netif_running(netdev); 1063 struct ice_pf *pf = np->vsi->back; 1064 struct device *dev; 1065 1066 dev = ice_pf_to_dev(pf); 1067 1068 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1069 netdev_info(netdev, "offline testing starting\n"); 1070 1071 set_bit(ICE_TESTING, pf->state); 1072 1073 if (ice_active_vfs(pf)) { 1074 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 1075 data[ICE_ETH_TEST_REG] = 1; 1076 data[ICE_ETH_TEST_EEPROM] = 1; 1077 data[ICE_ETH_TEST_INTR] = 1; 1078 data[ICE_ETH_TEST_LOOP] = 1; 1079 data[ICE_ETH_TEST_LINK] = 1; 1080 eth_test->flags |= ETH_TEST_FL_FAILED; 1081 clear_bit(ICE_TESTING, pf->state); 1082 goto skip_ol_tests; 1083 } 1084 /* If the device is online then take it offline */ 1085 if (if_running) 1086 /* indicate we're in test mode */ 1087 ice_stop(netdev); 1088 1089 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1090 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 1091 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 1092 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 1093 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 1094 1095 if (data[ICE_ETH_TEST_LINK] || 1096 data[ICE_ETH_TEST_EEPROM] || 1097 data[ICE_ETH_TEST_LOOP] || 1098 data[ICE_ETH_TEST_INTR] || 1099 data[ICE_ETH_TEST_REG]) 1100 eth_test->flags |= ETH_TEST_FL_FAILED; 1101 1102 clear_bit(ICE_TESTING, pf->state); 1103 1104 if (if_running) { 1105 int status = ice_open(netdev); 1106 1107 if (status) { 1108 dev_err(dev, "Could not open device %s, err %d\n", 1109 pf->int_name, status); 1110 } 1111 } 1112 } else { 1113 /* Online tests */ 1114 netdev_info(netdev, "online testing starting\n"); 1115 1116 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1117 if (data[ICE_ETH_TEST_LINK]) 1118 eth_test->flags |= ETH_TEST_FL_FAILED; 1119 1120 /* Offline only tests, not run in online; pass by default */ 1121 data[ICE_ETH_TEST_REG] = 0; 1122 data[ICE_ETH_TEST_EEPROM] = 0; 1123 data[ICE_ETH_TEST_INTR] = 0; 1124 data[ICE_ETH_TEST_LOOP] = 0; 1125 } 1126 1127 skip_ol_tests: 1128 netdev_info(netdev, "testing finished\n"); 1129 } 1130 1131 static void 1132 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data, 1133 struct ice_vsi *vsi) 1134 { 1135 unsigned int i; 1136 u8 *p = data; 1137 1138 switch (stringset) { 1139 case ETH_SS_STATS: 1140 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 1141 ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string); 1142 1143 if (ice_is_port_repr_netdev(netdev)) 1144 return; 1145 1146 ice_for_each_alloc_txq(vsi, i) { 1147 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 1148 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 1149 } 1150 1151 ice_for_each_alloc_rxq(vsi, i) { 1152 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 1153 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 1154 } 1155 1156 if (vsi->type != ICE_VSI_PF) 1157 return; 1158 1159 for (i = 0; i < ICE_PF_STATS_LEN; i++) 1160 ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string); 1161 1162 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1163 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 1164 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 1165 } 1166 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1167 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 1168 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 1169 } 1170 break; 1171 case ETH_SS_TEST: 1172 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 1173 break; 1174 case ETH_SS_PRIV_FLAGS: 1175 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 1176 ethtool_puts(&p, ice_gstrings_priv_flags[i].name); 1177 break; 1178 default: 1179 break; 1180 } 1181 } 1182 1183 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 1184 { 1185 struct ice_netdev_priv *np = netdev_priv(netdev); 1186 1187 __ice_get_strings(netdev, stringset, data, np->vsi); 1188 } 1189 1190 static int 1191 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 1192 { 1193 struct ice_netdev_priv *np = netdev_priv(netdev); 1194 bool led_active; 1195 1196 switch (state) { 1197 case ETHTOOL_ID_ACTIVE: 1198 led_active = true; 1199 break; 1200 case ETHTOOL_ID_INACTIVE: 1201 led_active = false; 1202 break; 1203 default: 1204 return -EINVAL; 1205 } 1206 1207 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 1208 return -EIO; 1209 1210 return 0; 1211 } 1212 1213 /** 1214 * ice_set_fec_cfg - Set link FEC options 1215 * @netdev: network interface device structure 1216 * @req_fec: FEC mode to configure 1217 */ 1218 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 1219 { 1220 struct ice_netdev_priv *np = netdev_priv(netdev); 1221 struct ice_aqc_set_phy_cfg_data config = { 0 }; 1222 struct ice_vsi *vsi = np->vsi; 1223 struct ice_port_info *pi; 1224 1225 pi = vsi->port_info; 1226 if (!pi) 1227 return -EOPNOTSUPP; 1228 1229 /* Changing the FEC parameters is not supported if not the PF VSI */ 1230 if (vsi->type != ICE_VSI_PF) { 1231 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 1232 return -EOPNOTSUPP; 1233 } 1234 1235 /* Proceed only if requesting different FEC mode */ 1236 if (pi->phy.curr_user_fec_req == req_fec) 1237 return 0; 1238 1239 /* Copy the current user PHY configuration. The current user PHY 1240 * configuration is initialized during probe from PHY capabilities 1241 * software mode, and updated on set PHY configuration. 1242 */ 1243 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 1244 1245 ice_cfg_phy_fec(pi, &config, req_fec); 1246 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1247 1248 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1249 return -EAGAIN; 1250 1251 /* Save requested FEC config */ 1252 pi->phy.curr_user_fec_req = req_fec; 1253 1254 return 0; 1255 } 1256 1257 /** 1258 * ice_set_fecparam - Set FEC link options 1259 * @netdev: network interface device structure 1260 * @fecparam: Ethtool structure to retrieve FEC parameters 1261 */ 1262 static int 1263 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1264 { 1265 struct ice_netdev_priv *np = netdev_priv(netdev); 1266 struct ice_vsi *vsi = np->vsi; 1267 enum ice_fec_mode fec; 1268 1269 switch (fecparam->fec) { 1270 case ETHTOOL_FEC_AUTO: 1271 fec = ICE_FEC_AUTO; 1272 break; 1273 case ETHTOOL_FEC_RS: 1274 fec = ICE_FEC_RS; 1275 break; 1276 case ETHTOOL_FEC_BASER: 1277 fec = ICE_FEC_BASER; 1278 break; 1279 case ETHTOOL_FEC_OFF: 1280 case ETHTOOL_FEC_NONE: 1281 fec = ICE_FEC_NONE; 1282 break; 1283 default: 1284 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1285 fecparam->fec); 1286 return -EINVAL; 1287 } 1288 1289 return ice_set_fec_cfg(netdev, fec); 1290 } 1291 1292 /** 1293 * ice_get_fecparam - Get link FEC options 1294 * @netdev: network interface device structure 1295 * @fecparam: Ethtool structure to retrieve FEC parameters 1296 */ 1297 static int 1298 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1299 { 1300 struct ice_netdev_priv *np = netdev_priv(netdev); 1301 struct ice_aqc_get_phy_caps_data *caps; 1302 struct ice_link_status *link_info; 1303 struct ice_vsi *vsi = np->vsi; 1304 struct ice_port_info *pi; 1305 int err; 1306 1307 pi = vsi->port_info; 1308 1309 if (!pi) 1310 return -EOPNOTSUPP; 1311 link_info = &pi->phy.link_info; 1312 1313 /* Set FEC mode based on negotiated link info */ 1314 switch (link_info->fec_info) { 1315 case ICE_AQ_LINK_25G_KR_FEC_EN: 1316 fecparam->active_fec = ETHTOOL_FEC_BASER; 1317 break; 1318 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1319 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1320 fecparam->active_fec = ETHTOOL_FEC_RS; 1321 break; 1322 default: 1323 fecparam->active_fec = ETHTOOL_FEC_OFF; 1324 break; 1325 } 1326 1327 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1328 if (!caps) 1329 return -ENOMEM; 1330 1331 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1332 caps, NULL); 1333 if (err) 1334 goto done; 1335 1336 /* Set supported/configured FEC modes based on PHY capability */ 1337 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1338 fecparam->fec |= ETHTOOL_FEC_AUTO; 1339 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1340 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1341 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1342 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1343 fecparam->fec |= ETHTOOL_FEC_BASER; 1344 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1345 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1346 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1347 fecparam->fec |= ETHTOOL_FEC_RS; 1348 if (caps->link_fec_options == 0) 1349 fecparam->fec |= ETHTOOL_FEC_OFF; 1350 1351 done: 1352 kfree(caps); 1353 return err; 1354 } 1355 1356 /** 1357 * ice_nway_reset - restart autonegotiation 1358 * @netdev: network interface device structure 1359 */ 1360 static int ice_nway_reset(struct net_device *netdev) 1361 { 1362 struct ice_netdev_priv *np = netdev_priv(netdev); 1363 struct ice_vsi *vsi = np->vsi; 1364 int err; 1365 1366 /* If VSI state is up, then restart autoneg with link up */ 1367 if (!test_bit(ICE_DOWN, vsi->back->state)) 1368 err = ice_set_link(vsi, true); 1369 else 1370 err = ice_set_link(vsi, false); 1371 1372 return err; 1373 } 1374 1375 /** 1376 * ice_get_priv_flags - report device private flags 1377 * @netdev: network interface device structure 1378 * 1379 * The get string set count and the string set should be matched for each 1380 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1381 * array. 1382 * 1383 * Returns a u32 bitmap of flags. 1384 */ 1385 static u32 ice_get_priv_flags(struct net_device *netdev) 1386 { 1387 struct ice_netdev_priv *np = netdev_priv(netdev); 1388 struct ice_vsi *vsi = np->vsi; 1389 struct ice_pf *pf = vsi->back; 1390 u32 i, ret_flags = 0; 1391 1392 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1393 const struct ice_priv_flag *priv_flag; 1394 1395 priv_flag = &ice_gstrings_priv_flags[i]; 1396 1397 if (test_bit(priv_flag->bitno, pf->flags)) 1398 ret_flags |= BIT(i); 1399 } 1400 1401 return ret_flags; 1402 } 1403 1404 /** 1405 * ice_set_priv_flags - set private flags 1406 * @netdev: network interface device structure 1407 * @flags: bit flags to be set 1408 */ 1409 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1410 { 1411 struct ice_netdev_priv *np = netdev_priv(netdev); 1412 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1413 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1414 struct ice_vsi *vsi = np->vsi; 1415 struct ice_pf *pf = vsi->back; 1416 struct device *dev; 1417 int ret = 0; 1418 u32 i; 1419 1420 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1421 return -EINVAL; 1422 1423 dev = ice_pf_to_dev(pf); 1424 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1425 1426 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1427 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1428 const struct ice_priv_flag *priv_flag; 1429 1430 priv_flag = &ice_gstrings_priv_flags[i]; 1431 1432 if (flags & BIT(i)) 1433 set_bit(priv_flag->bitno, pf->flags); 1434 else 1435 clear_bit(priv_flag->bitno, pf->flags); 1436 } 1437 1438 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1439 1440 /* Do not allow change to link-down-on-close when Total Port Shutdown 1441 * is enabled. 1442 */ 1443 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1444 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1445 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1446 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1447 ret = -EINVAL; 1448 goto ethtool_exit; 1449 } 1450 1451 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1452 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1453 int status; 1454 1455 /* Disable FW LLDP engine */ 1456 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1457 1458 /* If unregistering for LLDP events fails, this is 1459 * not an error state, as there shouldn't be any 1460 * events to respond to. 1461 */ 1462 if (status) 1463 dev_info(dev, "Failed to unreg for LLDP events\n"); 1464 1465 /* The AQ call to stop the FW LLDP agent will generate 1466 * an error if the agent is already stopped. 1467 */ 1468 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1469 if (status) 1470 dev_warn(dev, "Fail to stop LLDP agent\n"); 1471 /* Use case for having the FW LLDP agent stopped 1472 * will likely not need DCB, so failure to init is 1473 * not a concern of ethtool 1474 */ 1475 status = ice_init_pf_dcb(pf, true); 1476 if (status) 1477 dev_warn(dev, "Fail to init DCB\n"); 1478 1479 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1480 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1481 } else { 1482 bool dcbx_agent_status; 1483 int status; 1484 1485 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { 1486 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); 1487 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); 1488 ret = -EOPNOTSUPP; 1489 goto ethtool_exit; 1490 } 1491 1492 /* Remove rule to direct LLDP packets to default VSI. 1493 * The FW LLDP engine will now be consuming them. 1494 */ 1495 ice_cfg_sw_lldp(vsi, false, false); 1496 1497 /* AQ command to start FW LLDP agent will return an 1498 * error if the agent is already started 1499 */ 1500 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1501 if (status) 1502 dev_warn(dev, "Fail to start LLDP Agent\n"); 1503 1504 /* AQ command to start FW DCBX agent will fail if 1505 * the agent is already started 1506 */ 1507 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1508 &dcbx_agent_status, 1509 NULL); 1510 if (status) 1511 dev_dbg(dev, "Failed to start FW DCBX\n"); 1512 1513 dev_info(dev, "FW DCBX agent is %s\n", 1514 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1515 1516 /* Failure to configure MIB change or init DCB is not 1517 * relevant to ethtool. Print notification that 1518 * registration/init failed but do not return error 1519 * state to ethtool 1520 */ 1521 status = ice_init_pf_dcb(pf, true); 1522 if (status) 1523 dev_dbg(dev, "Fail to init DCB\n"); 1524 1525 /* Register for MIB change events */ 1526 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1527 if (status) 1528 dev_dbg(dev, "Fail to enable MIB change events\n"); 1529 1530 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1531 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1532 1533 ice_nway_reset(netdev); 1534 } 1535 } 1536 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1537 /* down and up VSI so that changes of Rx cfg are reflected. */ 1538 ice_down_up(vsi); 1539 } 1540 /* don't allow modification of this flag when a single VF is in 1541 * promiscuous mode because it's not supported 1542 */ 1543 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1544 ice_is_any_vf_in_unicast_promisc(pf)) { 1545 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1546 /* toggle bit back to previous state */ 1547 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1548 ret = -EAGAIN; 1549 } 1550 1551 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) && 1552 ice_has_vfs(pf)) { 1553 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n"); 1554 /* toggle bit back to previous state */ 1555 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags); 1556 ret = -EOPNOTSUPP; 1557 } 1558 ethtool_exit: 1559 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1560 return ret; 1561 } 1562 1563 static int ice_get_sset_count(struct net_device *netdev, int sset) 1564 { 1565 switch (sset) { 1566 case ETH_SS_STATS: 1567 /* The number (and order) of strings reported *must* remain 1568 * constant for a given netdevice. This function must not 1569 * report a different number based on run time parameters 1570 * (such as the number of queues in use, or the setting of 1571 * a private ethtool flag). This is due to the nature of the 1572 * ethtool stats API. 1573 * 1574 * Userspace programs such as ethtool must make 3 separate 1575 * ioctl requests, one for size, one for the strings, and 1576 * finally one for the stats. Since these cross into 1577 * userspace, changes to the number or size could result in 1578 * undefined memory access or incorrect string<->value 1579 * correlations for statistics. 1580 * 1581 * Even if it appears to be safe, changes to the size or 1582 * order of strings will suffer from race conditions and are 1583 * not safe. 1584 */ 1585 return ICE_ALL_STATS_LEN(netdev); 1586 case ETH_SS_TEST: 1587 return ICE_TEST_LEN; 1588 case ETH_SS_PRIV_FLAGS: 1589 return ICE_PRIV_FLAG_ARRAY_SIZE; 1590 default: 1591 return -EOPNOTSUPP; 1592 } 1593 } 1594 1595 static void 1596 __ice_get_ethtool_stats(struct net_device *netdev, 1597 struct ethtool_stats __always_unused *stats, u64 *data, 1598 struct ice_vsi *vsi) 1599 { 1600 struct ice_pf *pf = vsi->back; 1601 struct ice_tx_ring *tx_ring; 1602 struct ice_rx_ring *rx_ring; 1603 unsigned int j; 1604 int i = 0; 1605 char *p; 1606 1607 ice_update_pf_stats(pf); 1608 ice_update_vsi_stats(vsi); 1609 1610 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1611 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1612 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1613 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1614 } 1615 1616 if (ice_is_port_repr_netdev(netdev)) 1617 return; 1618 1619 /* populate per queue stats */ 1620 rcu_read_lock(); 1621 1622 ice_for_each_alloc_txq(vsi, j) { 1623 tx_ring = READ_ONCE(vsi->tx_rings[j]); 1624 if (tx_ring && tx_ring->ring_stats) { 1625 data[i++] = tx_ring->ring_stats->stats.pkts; 1626 data[i++] = tx_ring->ring_stats->stats.bytes; 1627 } else { 1628 data[i++] = 0; 1629 data[i++] = 0; 1630 } 1631 } 1632 1633 ice_for_each_alloc_rxq(vsi, j) { 1634 rx_ring = READ_ONCE(vsi->rx_rings[j]); 1635 if (rx_ring && rx_ring->ring_stats) { 1636 data[i++] = rx_ring->ring_stats->stats.pkts; 1637 data[i++] = rx_ring->ring_stats->stats.bytes; 1638 } else { 1639 data[i++] = 0; 1640 data[i++] = 0; 1641 } 1642 } 1643 1644 rcu_read_unlock(); 1645 1646 if (vsi->type != ICE_VSI_PF) 1647 return; 1648 1649 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1650 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1651 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1652 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1653 } 1654 1655 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1656 data[i++] = pf->stats.priority_xon_tx[j]; 1657 data[i++] = pf->stats.priority_xoff_tx[j]; 1658 } 1659 1660 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1661 data[i++] = pf->stats.priority_xon_rx[j]; 1662 data[i++] = pf->stats.priority_xoff_rx[j]; 1663 } 1664 } 1665 1666 static void 1667 ice_get_ethtool_stats(struct net_device *netdev, 1668 struct ethtool_stats __always_unused *stats, u64 *data) 1669 { 1670 struct ice_netdev_priv *np = netdev_priv(netdev); 1671 1672 __ice_get_ethtool_stats(netdev, stats, data, np->vsi); 1673 } 1674 1675 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1676 ICE_PHY_TYPE_LOW_100M_SGMII) 1677 1678 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1679 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1680 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1681 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1682 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1683 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1684 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1685 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1686 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1687 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1688 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1689 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1690 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1691 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1692 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1693 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1694 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1695 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1696 1697 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1698 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1699 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1700 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1701 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1702 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1703 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1704 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1705 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1706 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1707 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1708 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1709 ICE_PHY_TYPE_LOW_100GBASE_DR) 1710 1711 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1712 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1713 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1714 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1715 ICE_PHY_TYPE_HIGH_100G_AUI2) 1716 1717 #define ICE_PHY_TYPE_HIGH_MASK_200G (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \ 1718 ICE_PHY_TYPE_HIGH_200G_SR4 | \ 1719 ICE_PHY_TYPE_HIGH_200G_FR4 | \ 1720 ICE_PHY_TYPE_HIGH_200G_LR4 | \ 1721 ICE_PHY_TYPE_HIGH_200G_DR4 | \ 1722 ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \ 1723 ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \ 1724 ICE_PHY_TYPE_HIGH_200G_AUI4) 1725 1726 /** 1727 * ice_mask_min_supported_speeds 1728 * @hw: pointer to the HW structure 1729 * @phy_types_high: PHY type high 1730 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1731 * 1732 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1733 * for ethtool supported link mode. 1734 */ 1735 static void 1736 ice_mask_min_supported_speeds(struct ice_hw *hw, 1737 u64 phy_types_high, u64 *phy_types_low) 1738 { 1739 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1740 if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) || 1741 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) || 1742 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G)) 1743 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1744 else if (!ice_is_100m_speed_supported(hw)) 1745 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1746 } 1747 1748 /** 1749 * ice_linkmode_set_bit - set link mode bit 1750 * @phy_to_ethtool: PHY type to ethtool link mode struct to set 1751 * @ks: ethtool link ksettings struct to fill out 1752 * @req_speeds: speed requested by user 1753 * @advert_phy_type: advertised PHY type 1754 * @phy_type: PHY type 1755 */ 1756 static void 1757 ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool, 1758 struct ethtool_link_ksettings *ks, u32 req_speeds, 1759 u64 advert_phy_type, u32 phy_type) 1760 { 1761 linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported); 1762 1763 if (req_speeds & phy_to_ethtool->aq_link_speed || 1764 (!req_speeds && advert_phy_type & BIT(phy_type))) 1765 linkmode_set_bit(phy_to_ethtool->link_mode, 1766 ks->link_modes.advertising); 1767 } 1768 1769 /** 1770 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1771 * @netdev: network interface device structure 1772 * @ks: ethtool link ksettings struct to fill out 1773 */ 1774 static void 1775 ice_phy_type_to_ethtool(struct net_device *netdev, 1776 struct ethtool_link_ksettings *ks) 1777 { 1778 struct ice_netdev_priv *np = netdev_priv(netdev); 1779 struct ice_vsi *vsi = np->vsi; 1780 struct ice_pf *pf = vsi->back; 1781 u64 advert_phy_type_lo = 0; 1782 u64 advert_phy_type_hi = 0; 1783 u64 phy_types_high = 0; 1784 u64 phy_types_low = 0; 1785 u32 req_speeds; 1786 u32 i; 1787 1788 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1789 1790 /* Check if lenient mode is supported and enabled, or in strict mode. 1791 * 1792 * In lenient mode the Supported link modes are the PHY types without 1793 * media. The Advertising link mode is either 1. the user requested 1794 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1795 * 1796 * In strict mode Supported link mode are the PHY type with media, 1797 * and Advertising link modes are the media PHY type or the speed 1798 * requested by user. 1799 */ 1800 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1801 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1802 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1803 1804 ice_mask_min_supported_speeds(&pf->hw, phy_types_high, 1805 &phy_types_low); 1806 /* determine advertised modes based on link override only 1807 * if it's supported and if the FW doesn't abstract the 1808 * driver from having to account for link overrides 1809 */ 1810 if (ice_fw_supports_link_override(&pf->hw) && 1811 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 1812 struct ice_link_default_override_tlv *ldo; 1813 1814 ldo = &pf->link_dflt_override; 1815 /* If override enabled and PHY mask set, then 1816 * Advertising link mode is the intersection of the PHY 1817 * types without media and the override PHY mask. 1818 */ 1819 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1820 (ldo->phy_type_low || ldo->phy_type_high)) { 1821 advert_phy_type_lo = 1822 le64_to_cpu(pf->nvm_phy_type_lo) & 1823 ldo->phy_type_low; 1824 advert_phy_type_hi = 1825 le64_to_cpu(pf->nvm_phy_type_hi) & 1826 ldo->phy_type_high; 1827 } 1828 } 1829 } else { 1830 /* strict mode */ 1831 phy_types_low = vsi->port_info->phy.phy_type_low; 1832 phy_types_high = vsi->port_info->phy.phy_type_high; 1833 } 1834 1835 /* If Advertising link mode PHY type is not using override PHY type, 1836 * then use PHY type with media. 1837 */ 1838 if (!advert_phy_type_lo && !advert_phy_type_hi) { 1839 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 1840 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 1841 } 1842 1843 linkmode_zero(ks->link_modes.supported); 1844 linkmode_zero(ks->link_modes.advertising); 1845 1846 for (i = 0; i < ARRAY_SIZE(phy_type_low_lkup); i++) { 1847 if (phy_types_low & BIT_ULL(i)) 1848 ice_linkmode_set_bit(&phy_type_low_lkup[i], ks, 1849 req_speeds, advert_phy_type_lo, 1850 i); 1851 } 1852 1853 for (i = 0; i < ARRAY_SIZE(phy_type_high_lkup); i++) { 1854 if (phy_types_high & BIT_ULL(i)) 1855 ice_linkmode_set_bit(&phy_type_high_lkup[i], ks, 1856 req_speeds, advert_phy_type_hi, 1857 i); 1858 } 1859 } 1860 1861 #define TEST_SET_BITS_TIMEOUT 50 1862 #define TEST_SET_BITS_SLEEP_MAX 2000 1863 #define TEST_SET_BITS_SLEEP_MIN 1000 1864 1865 /** 1866 * ice_get_settings_link_up - Get Link settings for when link is up 1867 * @ks: ethtool ksettings to fill in 1868 * @netdev: network interface device structure 1869 */ 1870 static void 1871 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1872 struct net_device *netdev) 1873 { 1874 struct ice_netdev_priv *np = netdev_priv(netdev); 1875 struct ice_port_info *pi = np->vsi->port_info; 1876 struct ice_link_status *link_info; 1877 struct ice_vsi *vsi = np->vsi; 1878 1879 link_info = &vsi->port_info->phy.link_info; 1880 1881 /* Get supported and advertised settings from PHY ability with media */ 1882 ice_phy_type_to_ethtool(netdev, ks); 1883 1884 switch (link_info->link_speed) { 1885 case ICE_AQ_LINK_SPEED_200GB: 1886 ks->base.speed = SPEED_200000; 1887 break; 1888 case ICE_AQ_LINK_SPEED_100GB: 1889 ks->base.speed = SPEED_100000; 1890 break; 1891 case ICE_AQ_LINK_SPEED_50GB: 1892 ks->base.speed = SPEED_50000; 1893 break; 1894 case ICE_AQ_LINK_SPEED_40GB: 1895 ks->base.speed = SPEED_40000; 1896 break; 1897 case ICE_AQ_LINK_SPEED_25GB: 1898 ks->base.speed = SPEED_25000; 1899 break; 1900 case ICE_AQ_LINK_SPEED_20GB: 1901 ks->base.speed = SPEED_20000; 1902 break; 1903 case ICE_AQ_LINK_SPEED_10GB: 1904 ks->base.speed = SPEED_10000; 1905 break; 1906 case ICE_AQ_LINK_SPEED_5GB: 1907 ks->base.speed = SPEED_5000; 1908 break; 1909 case ICE_AQ_LINK_SPEED_2500MB: 1910 ks->base.speed = SPEED_2500; 1911 break; 1912 case ICE_AQ_LINK_SPEED_1000MB: 1913 ks->base.speed = SPEED_1000; 1914 break; 1915 case ICE_AQ_LINK_SPEED_100MB: 1916 ks->base.speed = SPEED_100; 1917 break; 1918 default: 1919 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1920 link_info->link_speed); 1921 break; 1922 } 1923 ks->base.duplex = DUPLEX_FULL; 1924 1925 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1926 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1927 Autoneg); 1928 1929 /* Set flow control negotiated Rx/Tx pause */ 1930 switch (pi->fc.current_mode) { 1931 case ICE_FC_FULL: 1932 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1933 break; 1934 case ICE_FC_TX_PAUSE: 1935 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1936 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1937 Asym_Pause); 1938 break; 1939 case ICE_FC_RX_PAUSE: 1940 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1941 Asym_Pause); 1942 break; 1943 case ICE_FC_PFC: 1944 default: 1945 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1946 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1947 Asym_Pause); 1948 break; 1949 } 1950 } 1951 1952 /** 1953 * ice_get_settings_link_down - Get the Link settings when link is down 1954 * @ks: ethtool ksettings to fill in 1955 * @netdev: network interface device structure 1956 * 1957 * Reports link settings that can be determined when link is down 1958 */ 1959 static void 1960 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1961 struct net_device *netdev) 1962 { 1963 /* link is down and the driver needs to fall back on 1964 * supported PHY types to figure out what info to display 1965 */ 1966 ice_phy_type_to_ethtool(netdev, ks); 1967 1968 /* With no link, speed and duplex are unknown */ 1969 ks->base.speed = SPEED_UNKNOWN; 1970 ks->base.duplex = DUPLEX_UNKNOWN; 1971 } 1972 1973 /** 1974 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1975 * @netdev: network interface device structure 1976 * @ks: ethtool ksettings 1977 * 1978 * Reports speed/duplex settings based on media_type 1979 */ 1980 static int 1981 ice_get_link_ksettings(struct net_device *netdev, 1982 struct ethtool_link_ksettings *ks) 1983 { 1984 struct ice_netdev_priv *np = netdev_priv(netdev); 1985 struct ice_aqc_get_phy_caps_data *caps; 1986 struct ice_link_status *hw_link_info; 1987 struct ice_vsi *vsi = np->vsi; 1988 int err; 1989 1990 ethtool_link_ksettings_zero_link_mode(ks, supported); 1991 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1992 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1993 hw_link_info = &vsi->port_info->phy.link_info; 1994 1995 /* set speed and duplex */ 1996 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 1997 ice_get_settings_link_up(ks, netdev); 1998 else 1999 ice_get_settings_link_down(ks, netdev); 2000 2001 /* set autoneg settings */ 2002 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 2003 AUTONEG_ENABLE : AUTONEG_DISABLE; 2004 2005 /* set media type settings */ 2006 switch (vsi->port_info->phy.media_type) { 2007 case ICE_MEDIA_FIBER: 2008 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2009 ks->base.port = PORT_FIBRE; 2010 break; 2011 case ICE_MEDIA_BASET: 2012 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 2013 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 2014 ks->base.port = PORT_TP; 2015 break; 2016 case ICE_MEDIA_BACKPLANE: 2017 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 2018 ethtool_link_ksettings_add_link_mode(ks, advertising, 2019 Backplane); 2020 ks->base.port = PORT_NONE; 2021 break; 2022 case ICE_MEDIA_DA: 2023 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2024 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 2025 ks->base.port = PORT_DA; 2026 break; 2027 default: 2028 ks->base.port = PORT_OTHER; 2029 break; 2030 } 2031 2032 /* flow control is symmetric and always supported */ 2033 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2034 2035 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 2036 if (!caps) 2037 return -ENOMEM; 2038 2039 err = ice_aq_get_phy_caps(vsi->port_info, false, 2040 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 2041 if (err) 2042 goto done; 2043 2044 /* Set the advertised flow control based on the PHY capability */ 2045 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2046 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2047 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2048 ethtool_link_ksettings_add_link_mode(ks, advertising, 2049 Asym_Pause); 2050 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2051 ethtool_link_ksettings_add_link_mode(ks, advertising, 2052 Asym_Pause); 2053 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2054 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2055 ethtool_link_ksettings_add_link_mode(ks, advertising, 2056 Asym_Pause); 2057 } else { 2058 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2059 ethtool_link_ksettings_del_link_mode(ks, advertising, 2060 Asym_Pause); 2061 } 2062 2063 /* Set advertised FEC modes based on PHY capability */ 2064 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2065 2066 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2067 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2068 ethtool_link_ksettings_add_link_mode(ks, advertising, 2069 FEC_BASER); 2070 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2071 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2072 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2073 2074 err = ice_aq_get_phy_caps(vsi->port_info, false, 2075 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 2076 if (err) 2077 goto done; 2078 2079 /* Set supported FEC modes based on PHY capability */ 2080 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2081 2082 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2083 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2084 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2085 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2086 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2087 2088 /* Set supported and advertised autoneg */ 2089 if (ice_is_phy_caps_an_enabled(caps)) { 2090 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2091 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2092 } 2093 2094 done: 2095 kfree(caps); 2096 return err; 2097 } 2098 2099 /** 2100 * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed 2101 * @speed: ethtool forced speed 2102 */ 2103 static u16 ice_speed_to_aq_link(int speed) 2104 { 2105 int aq_speed; 2106 2107 switch (speed) { 2108 case SPEED_10: 2109 aq_speed = ICE_AQ_LINK_SPEED_10MB; 2110 break; 2111 case SPEED_100: 2112 aq_speed = ICE_AQ_LINK_SPEED_100MB; 2113 break; 2114 case SPEED_1000: 2115 aq_speed = ICE_AQ_LINK_SPEED_1000MB; 2116 break; 2117 case SPEED_2500: 2118 aq_speed = ICE_AQ_LINK_SPEED_2500MB; 2119 break; 2120 case SPEED_5000: 2121 aq_speed = ICE_AQ_LINK_SPEED_5GB; 2122 break; 2123 case SPEED_10000: 2124 aq_speed = ICE_AQ_LINK_SPEED_10GB; 2125 break; 2126 case SPEED_20000: 2127 aq_speed = ICE_AQ_LINK_SPEED_20GB; 2128 break; 2129 case SPEED_25000: 2130 aq_speed = ICE_AQ_LINK_SPEED_25GB; 2131 break; 2132 case SPEED_40000: 2133 aq_speed = ICE_AQ_LINK_SPEED_40GB; 2134 break; 2135 case SPEED_50000: 2136 aq_speed = ICE_AQ_LINK_SPEED_50GB; 2137 break; 2138 case SPEED_100000: 2139 aq_speed = ICE_AQ_LINK_SPEED_100GB; 2140 break; 2141 default: 2142 aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN; 2143 break; 2144 } 2145 return aq_speed; 2146 } 2147 2148 /** 2149 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2150 * @ks: ethtool ksettings 2151 */ 2152 static u16 2153 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2154 { 2155 const struct ethtool_forced_speed_map *map; 2156 u16 adv_link_speed = 0; 2157 2158 for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) { 2159 map = ice_adv_lnk_speed_maps + i; 2160 if (linkmode_intersects(ks->link_modes.advertising, map->caps)) 2161 adv_link_speed |= ice_speed_to_aq_link(map->speed); 2162 } 2163 2164 return adv_link_speed; 2165 } 2166 2167 /** 2168 * ice_setup_autoneg 2169 * @p: port info 2170 * @ks: ethtool_link_ksettings 2171 * @config: configuration that will be sent down to FW 2172 * @autoneg_enabled: autonegotiation is enabled or not 2173 * @autoneg_changed: will there a change in autonegotiation 2174 * @netdev: network interface device structure 2175 * 2176 * Setup PHY autonegotiation feature 2177 */ 2178 static int 2179 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2180 struct ice_aqc_set_phy_cfg_data *config, 2181 u8 autoneg_enabled, u8 *autoneg_changed, 2182 struct net_device *netdev) 2183 { 2184 int err = 0; 2185 2186 *autoneg_changed = 0; 2187 2188 /* Check autoneg */ 2189 if (autoneg_enabled == AUTONEG_ENABLE) { 2190 /* If autoneg was not already enabled */ 2191 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2192 /* If autoneg is not supported, return error */ 2193 if (!ethtool_link_ksettings_test_link_mode(ks, 2194 supported, 2195 Autoneg)) { 2196 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2197 err = -EINVAL; 2198 } else { 2199 /* Autoneg is allowed to change */ 2200 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2201 *autoneg_changed = 1; 2202 } 2203 } 2204 } else { 2205 /* If autoneg is currently enabled */ 2206 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2207 /* If autoneg is supported 10GBASE_T is the only PHY 2208 * that can disable it, so otherwise return error 2209 */ 2210 if (ethtool_link_ksettings_test_link_mode(ks, 2211 supported, 2212 Autoneg)) { 2213 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2214 err = -EINVAL; 2215 } else { 2216 /* Autoneg is allowed to change */ 2217 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2218 *autoneg_changed = 1; 2219 } 2220 } 2221 } 2222 2223 return err; 2224 } 2225 2226 /** 2227 * ice_set_phy_type_from_speed - set phy_types based on speeds 2228 * and advertised modes 2229 * @ks: ethtool link ksettings struct 2230 * @phy_type_low: pointer to the lower part of phy_type 2231 * @phy_type_high: pointer to the higher part of phy_type 2232 * @adv_link_speed: targeted link speeds bitmap 2233 */ 2234 static void 2235 ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks, 2236 u64 *phy_type_low, u64 *phy_type_high, 2237 u16 adv_link_speed) 2238 { 2239 /* Handle 1000M speed in a special way because ice_update_phy_type 2240 * enables all link modes, but having mixed copper and optical 2241 * standards is not supported. 2242 */ 2243 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB; 2244 2245 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2246 1000baseT_Full)) 2247 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T | 2248 ICE_PHY_TYPE_LOW_1G_SGMII; 2249 2250 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2251 1000baseKX_Full)) 2252 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX; 2253 2254 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2255 1000baseX_Full)) 2256 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX | 2257 ICE_PHY_TYPE_LOW_1000BASE_LX; 2258 2259 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed); 2260 } 2261 2262 /** 2263 * ice_set_link_ksettings - Set Speed and Duplex 2264 * @netdev: network interface device structure 2265 * @ks: ethtool ksettings 2266 * 2267 * Set speed/duplex per media_types advertised/forced 2268 */ 2269 static int 2270 ice_set_link_ksettings(struct net_device *netdev, 2271 const struct ethtool_link_ksettings *ks) 2272 { 2273 struct ice_netdev_priv *np = netdev_priv(netdev); 2274 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2275 struct ethtool_link_ksettings copy_ks = *ks; 2276 struct ethtool_link_ksettings safe_ks = {}; 2277 struct ice_aqc_get_phy_caps_data *phy_caps; 2278 struct ice_aqc_set_phy_cfg_data config; 2279 u16 adv_link_speed, curr_link_speed; 2280 struct ice_pf *pf = np->vsi->back; 2281 struct ice_port_info *pi; 2282 u8 autoneg_changed = 0; 2283 u64 phy_type_high = 0; 2284 u64 phy_type_low = 0; 2285 bool linkup; 2286 int err; 2287 2288 pi = np->vsi->port_info; 2289 2290 if (!pi) 2291 return -EIO; 2292 2293 if (pi->phy.media_type != ICE_MEDIA_BASET && 2294 pi->phy.media_type != ICE_MEDIA_FIBER && 2295 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2296 pi->phy.media_type != ICE_MEDIA_DA && 2297 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2298 return -EOPNOTSUPP; 2299 2300 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2301 if (!phy_caps) 2302 return -ENOMEM; 2303 2304 /* Get the PHY capabilities based on media */ 2305 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2306 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2307 phy_caps, NULL); 2308 else 2309 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2310 phy_caps, NULL); 2311 if (err) 2312 goto done; 2313 2314 /* save autoneg out of ksettings */ 2315 autoneg = copy_ks.base.autoneg; 2316 2317 /* Get link modes supported by hardware.*/ 2318 ice_phy_type_to_ethtool(netdev, &safe_ks); 2319 2320 /* and check against modes requested by user. 2321 * Return an error if unsupported mode was set. 2322 */ 2323 if (!bitmap_subset(copy_ks.link_modes.advertising, 2324 safe_ks.link_modes.supported, 2325 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2326 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2327 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"); 2328 err = -EOPNOTSUPP; 2329 goto done; 2330 } 2331 2332 /* get our own copy of the bits to check against */ 2333 memset(&safe_ks, 0, sizeof(safe_ks)); 2334 safe_ks.base.cmd = copy_ks.base.cmd; 2335 safe_ks.base.link_mode_masks_nwords = 2336 copy_ks.base.link_mode_masks_nwords; 2337 ice_get_link_ksettings(netdev, &safe_ks); 2338 2339 /* set autoneg back to what it currently is */ 2340 copy_ks.base.autoneg = safe_ks.base.autoneg; 2341 /* we don't compare the speed */ 2342 copy_ks.base.speed = safe_ks.base.speed; 2343 2344 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2345 * trying to set something that we do not support. 2346 */ 2347 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2348 err = -EOPNOTSUPP; 2349 goto done; 2350 } 2351 2352 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2353 timeout--; 2354 if (!timeout) { 2355 err = -EBUSY; 2356 goto done; 2357 } 2358 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2359 } 2360 2361 /* Copy the current user PHY configuration. The current user PHY 2362 * configuration is initialized during probe from PHY capabilities 2363 * software mode, and updated on set PHY configuration. 2364 */ 2365 config = pi->phy.curr_user_phy_cfg; 2366 2367 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2368 2369 /* Check autoneg */ 2370 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2371 netdev); 2372 2373 if (err) 2374 goto done; 2375 2376 /* Call to get the current link speed */ 2377 pi->phy.get_link_info = true; 2378 err = ice_get_link_status(pi, &linkup); 2379 if (err) 2380 goto done; 2381 2382 curr_link_speed = pi->phy.curr_user_speed_req; 2383 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2384 2385 /* If speed didn't get set, set it to what it currently is. 2386 * This is needed because if advertise is 0 (as it is when autoneg 2387 * is disabled) then speed won't get set. 2388 */ 2389 if (!adv_link_speed) 2390 adv_link_speed = curr_link_speed; 2391 2392 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2393 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high, 2394 adv_link_speed); 2395 2396 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2397 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2398 goto done; 2399 } 2400 2401 /* save the requested speeds */ 2402 pi->phy.link_info.req_speeds = adv_link_speed; 2403 2404 /* set link and auto negotiation so changes take effect */ 2405 config.caps |= ICE_AQ_PHY_ENA_LINK; 2406 2407 /* check if there is a PHY type for the requested advertised speed */ 2408 if (!(phy_type_low || phy_type_high)) { 2409 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"); 2410 err = -EOPNOTSUPP; 2411 goto done; 2412 } 2413 2414 /* intersect requested advertised speed PHY types with media PHY types 2415 * for set PHY configuration 2416 */ 2417 config.phy_type_high = cpu_to_le64(phy_type_high) & 2418 phy_caps->phy_type_high; 2419 config.phy_type_low = cpu_to_le64(phy_type_low) & 2420 phy_caps->phy_type_low; 2421 2422 if (!(config.phy_type_high || config.phy_type_low)) { 2423 /* If there is no intersection and lenient mode is enabled, then 2424 * intersect the requested advertised speed with NVM media type 2425 * PHY types. 2426 */ 2427 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2428 config.phy_type_high = cpu_to_le64(phy_type_high) & 2429 pf->nvm_phy_type_hi; 2430 config.phy_type_low = cpu_to_le64(phy_type_low) & 2431 pf->nvm_phy_type_lo; 2432 } else { 2433 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"); 2434 err = -EOPNOTSUPP; 2435 goto done; 2436 } 2437 } 2438 2439 /* If link is up put link down */ 2440 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2441 /* Tell the OS link is going down, the link will go 2442 * back up when fw says it is ready asynchronously 2443 */ 2444 ice_print_link_msg(np->vsi, false); 2445 netif_carrier_off(netdev); 2446 netif_tx_stop_all_queues(netdev); 2447 } 2448 2449 /* make the aq call */ 2450 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2451 if (err) { 2452 netdev_info(netdev, "Set phy config failed,\n"); 2453 goto done; 2454 } 2455 2456 /* Save speed request */ 2457 pi->phy.curr_user_speed_req = adv_link_speed; 2458 done: 2459 kfree(phy_caps); 2460 clear_bit(ICE_CFG_BUSY, pf->state); 2461 2462 return err; 2463 } 2464 2465 /** 2466 * ice_parse_hdrs - parses headers from RSS hash input 2467 * @nfc: ethtool rxnfc command 2468 * 2469 * This function parses the rxnfc command and returns intended 2470 * header types for RSS configuration 2471 */ 2472 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2473 { 2474 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2475 2476 switch (nfc->flow_type) { 2477 case TCP_V4_FLOW: 2478 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2479 break; 2480 case UDP_V4_FLOW: 2481 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2482 break; 2483 case SCTP_V4_FLOW: 2484 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2485 break; 2486 case TCP_V6_FLOW: 2487 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2488 break; 2489 case UDP_V6_FLOW: 2490 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2491 break; 2492 case SCTP_V6_FLOW: 2493 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2494 break; 2495 default: 2496 break; 2497 } 2498 return hdrs; 2499 } 2500 2501 /** 2502 * ice_parse_hash_flds - parses hash fields from RSS hash input 2503 * @nfc: ethtool rxnfc command 2504 * @symm: true if Symmetric Topelitz is set 2505 * 2506 * This function parses the rxnfc command and returns intended 2507 * hash fields for RSS configuration 2508 */ 2509 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc, bool symm) 2510 { 2511 u64 hfld = ICE_HASH_INVALID; 2512 2513 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2514 switch (nfc->flow_type) { 2515 case TCP_V4_FLOW: 2516 case UDP_V4_FLOW: 2517 case SCTP_V4_FLOW: 2518 if (nfc->data & RXH_IP_SRC) 2519 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2520 if (nfc->data & RXH_IP_DST) 2521 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2522 break; 2523 case TCP_V6_FLOW: 2524 case UDP_V6_FLOW: 2525 case SCTP_V6_FLOW: 2526 if (nfc->data & RXH_IP_SRC) 2527 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2528 if (nfc->data & RXH_IP_DST) 2529 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2530 break; 2531 default: 2532 break; 2533 } 2534 } 2535 2536 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2537 switch (nfc->flow_type) { 2538 case TCP_V4_FLOW: 2539 case TCP_V6_FLOW: 2540 if (nfc->data & RXH_L4_B_0_1) 2541 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2542 if (nfc->data & RXH_L4_B_2_3) 2543 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2544 break; 2545 case UDP_V4_FLOW: 2546 case UDP_V6_FLOW: 2547 if (nfc->data & RXH_L4_B_0_1) 2548 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2549 if (nfc->data & RXH_L4_B_2_3) 2550 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2551 break; 2552 case SCTP_V4_FLOW: 2553 case SCTP_V6_FLOW: 2554 if (nfc->data & RXH_L4_B_0_1) 2555 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2556 if (nfc->data & RXH_L4_B_2_3) 2557 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2558 break; 2559 default: 2560 break; 2561 } 2562 } 2563 2564 return hfld; 2565 } 2566 2567 /** 2568 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2569 * @vsi: the VSI being configured 2570 * @nfc: ethtool rxnfc command 2571 * 2572 * Returns Success if the flow input set is supported. 2573 */ 2574 static int 2575 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2576 { 2577 struct ice_pf *pf = vsi->back; 2578 struct ice_rss_hash_cfg cfg; 2579 struct device *dev; 2580 u64 hashed_flds; 2581 int status; 2582 bool symm; 2583 u32 hdrs; 2584 2585 dev = ice_pf_to_dev(pf); 2586 if (ice_is_safe_mode(pf)) { 2587 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2588 vsi->vsi_num); 2589 return -EINVAL; 2590 } 2591 2592 symm = !!(vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ); 2593 hashed_flds = ice_parse_hash_flds(nfc, symm); 2594 if (hashed_flds == ICE_HASH_INVALID) { 2595 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2596 vsi->vsi_num); 2597 return -EINVAL; 2598 } 2599 2600 hdrs = ice_parse_hdrs(nfc); 2601 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2602 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2603 vsi->vsi_num); 2604 return -EINVAL; 2605 } 2606 2607 cfg.hash_flds = hashed_flds; 2608 cfg.addl_hdrs = hdrs; 2609 cfg.hdr_type = ICE_RSS_ANY_HEADERS; 2610 cfg.symm = symm; 2611 2612 status = ice_add_rss_cfg(&pf->hw, vsi, &cfg); 2613 if (status) { 2614 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n", 2615 vsi->vsi_num, status); 2616 return status; 2617 } 2618 2619 return 0; 2620 } 2621 2622 /** 2623 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2624 * @vsi: the VSI being configured 2625 * @nfc: ethtool rxnfc command 2626 */ 2627 static void 2628 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2629 { 2630 struct ice_pf *pf = vsi->back; 2631 struct device *dev; 2632 u64 hash_flds; 2633 bool symm; 2634 u32 hdrs; 2635 2636 dev = ice_pf_to_dev(pf); 2637 2638 nfc->data = 0; 2639 if (ice_is_safe_mode(pf)) { 2640 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2641 vsi->vsi_num); 2642 return; 2643 } 2644 2645 hdrs = ice_parse_hdrs(nfc); 2646 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2647 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2648 vsi->vsi_num); 2649 return; 2650 } 2651 2652 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs, &symm); 2653 if (hash_flds == ICE_HASH_INVALID) { 2654 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2655 vsi->vsi_num); 2656 return; 2657 } 2658 2659 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2660 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2661 nfc->data |= (u64)RXH_IP_SRC; 2662 2663 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2664 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2665 nfc->data |= (u64)RXH_IP_DST; 2666 2667 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2668 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2669 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2670 nfc->data |= (u64)RXH_L4_B_0_1; 2671 2672 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2673 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2674 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2675 nfc->data |= (u64)RXH_L4_B_2_3; 2676 } 2677 2678 /** 2679 * ice_set_rxnfc - command to set Rx flow rules. 2680 * @netdev: network interface device structure 2681 * @cmd: ethtool rxnfc command 2682 * 2683 * Returns 0 for success and negative values for errors 2684 */ 2685 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2686 { 2687 struct ice_netdev_priv *np = netdev_priv(netdev); 2688 struct ice_vsi *vsi = np->vsi; 2689 2690 switch (cmd->cmd) { 2691 case ETHTOOL_SRXCLSRLINS: 2692 return ice_add_fdir_ethtool(vsi, cmd); 2693 case ETHTOOL_SRXCLSRLDEL: 2694 return ice_del_fdir_ethtool(vsi, cmd); 2695 case ETHTOOL_SRXFH: 2696 return ice_set_rss_hash_opt(vsi, cmd); 2697 default: 2698 break; 2699 } 2700 return -EOPNOTSUPP; 2701 } 2702 2703 /** 2704 * ice_get_rxnfc - command to get Rx flow classification rules 2705 * @netdev: network interface device structure 2706 * @cmd: ethtool rxnfc command 2707 * @rule_locs: buffer to rturn Rx flow classification rules 2708 * 2709 * Returns Success if the command is supported. 2710 */ 2711 static int 2712 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2713 u32 __always_unused *rule_locs) 2714 { 2715 struct ice_netdev_priv *np = netdev_priv(netdev); 2716 struct ice_vsi *vsi = np->vsi; 2717 int ret = -EOPNOTSUPP; 2718 struct ice_hw *hw; 2719 2720 hw = &vsi->back->hw; 2721 2722 switch (cmd->cmd) { 2723 case ETHTOOL_GRXRINGS: 2724 cmd->data = vsi->rss_size; 2725 ret = 0; 2726 break; 2727 case ETHTOOL_GRXCLSRLCNT: 2728 cmd->rule_cnt = hw->fdir_active_fltr; 2729 /* report total rule count */ 2730 cmd->data = ice_get_fdir_cnt_all(hw); 2731 ret = 0; 2732 break; 2733 case ETHTOOL_GRXCLSRULE: 2734 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2735 break; 2736 case ETHTOOL_GRXCLSRLALL: 2737 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2738 break; 2739 case ETHTOOL_GRXFH: 2740 ice_get_rss_hash_opt(vsi, cmd); 2741 ret = 0; 2742 break; 2743 default: 2744 break; 2745 } 2746 2747 return ret; 2748 } 2749 2750 static void 2751 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2752 struct kernel_ethtool_ringparam *kernel_ring, 2753 struct netlink_ext_ack *extack) 2754 { 2755 struct ice_netdev_priv *np = netdev_priv(netdev); 2756 struct ice_vsi *vsi = np->vsi; 2757 2758 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2759 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2760 if (vsi->tx_rings && vsi->rx_rings) { 2761 ring->rx_pending = vsi->rx_rings[0]->count; 2762 ring->tx_pending = vsi->tx_rings[0]->count; 2763 } else { 2764 ring->rx_pending = 0; 2765 ring->tx_pending = 0; 2766 } 2767 2768 /* Rx mini and jumbo rings are not supported */ 2769 ring->rx_mini_max_pending = 0; 2770 ring->rx_jumbo_max_pending = 0; 2771 ring->rx_mini_pending = 0; 2772 ring->rx_jumbo_pending = 0; 2773 } 2774 2775 static int 2776 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2777 struct kernel_ethtool_ringparam *kernel_ring, 2778 struct netlink_ext_ack *extack) 2779 { 2780 struct ice_netdev_priv *np = netdev_priv(netdev); 2781 struct ice_tx_ring *xdp_rings = NULL; 2782 struct ice_tx_ring *tx_rings = NULL; 2783 struct ice_rx_ring *rx_rings = NULL; 2784 struct ice_vsi *vsi = np->vsi; 2785 struct ice_pf *pf = vsi->back; 2786 int i, timeout = 50, err = 0; 2787 u16 new_rx_cnt, new_tx_cnt; 2788 2789 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2790 ring->tx_pending < ICE_MIN_NUM_DESC || 2791 ring->rx_pending > ICE_MAX_NUM_DESC || 2792 ring->rx_pending < ICE_MIN_NUM_DESC) { 2793 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2794 ring->tx_pending, ring->rx_pending, 2795 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2796 ICE_REQ_DESC_MULTIPLE); 2797 return -EINVAL; 2798 } 2799 2800 /* Return if there is no rings (device is reloading) */ 2801 if (!vsi->tx_rings || !vsi->rx_rings) 2802 return -EBUSY; 2803 2804 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2805 if (new_tx_cnt != ring->tx_pending) 2806 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2807 new_tx_cnt); 2808 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2809 if (new_rx_cnt != ring->rx_pending) 2810 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2811 new_rx_cnt); 2812 2813 /* if nothing to do return success */ 2814 if (new_tx_cnt == vsi->tx_rings[0]->count && 2815 new_rx_cnt == vsi->rx_rings[0]->count) { 2816 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2817 return 0; 2818 } 2819 2820 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2821 * disallow changing the number of descriptors -- regardless 2822 * if the netdev is running or not. 2823 */ 2824 if (ice_xsk_any_rx_ring_ena(vsi)) 2825 return -EBUSY; 2826 2827 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2828 timeout--; 2829 if (!timeout) 2830 return -EBUSY; 2831 usleep_range(1000, 2000); 2832 } 2833 2834 /* set for the next time the netdev is started */ 2835 if (!netif_running(vsi->netdev)) { 2836 ice_for_each_alloc_txq(vsi, i) 2837 vsi->tx_rings[i]->count = new_tx_cnt; 2838 ice_for_each_alloc_rxq(vsi, i) 2839 vsi->rx_rings[i]->count = new_rx_cnt; 2840 if (ice_is_xdp_ena_vsi(vsi)) 2841 ice_for_each_xdp_txq(vsi, i) 2842 vsi->xdp_rings[i]->count = new_tx_cnt; 2843 vsi->num_tx_desc = (u16)new_tx_cnt; 2844 vsi->num_rx_desc = (u16)new_rx_cnt; 2845 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2846 goto done; 2847 } 2848 2849 if (new_tx_cnt == vsi->tx_rings[0]->count) 2850 goto process_rx; 2851 2852 /* alloc updated Tx resources */ 2853 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2854 vsi->tx_rings[0]->count, new_tx_cnt); 2855 2856 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2857 if (!tx_rings) { 2858 err = -ENOMEM; 2859 goto done; 2860 } 2861 2862 ice_for_each_txq(vsi, i) { 2863 /* clone ring and setup updated count */ 2864 tx_rings[i] = *vsi->tx_rings[i]; 2865 tx_rings[i].count = new_tx_cnt; 2866 tx_rings[i].desc = NULL; 2867 tx_rings[i].tx_buf = NULL; 2868 tx_rings[i].tx_tstamps = &pf->ptp.port.tx; 2869 err = ice_setup_tx_ring(&tx_rings[i]); 2870 if (err) { 2871 while (i--) 2872 ice_clean_tx_ring(&tx_rings[i]); 2873 kfree(tx_rings); 2874 goto done; 2875 } 2876 } 2877 2878 if (!ice_is_xdp_ena_vsi(vsi)) 2879 goto process_rx; 2880 2881 /* alloc updated XDP resources */ 2882 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2883 vsi->xdp_rings[0]->count, new_tx_cnt); 2884 2885 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2886 if (!xdp_rings) { 2887 err = -ENOMEM; 2888 goto free_tx; 2889 } 2890 2891 ice_for_each_xdp_txq(vsi, i) { 2892 /* clone ring and setup updated count */ 2893 xdp_rings[i] = *vsi->xdp_rings[i]; 2894 xdp_rings[i].count = new_tx_cnt; 2895 xdp_rings[i].desc = NULL; 2896 xdp_rings[i].tx_buf = NULL; 2897 err = ice_setup_tx_ring(&xdp_rings[i]); 2898 if (err) { 2899 while (i--) 2900 ice_clean_tx_ring(&xdp_rings[i]); 2901 kfree(xdp_rings); 2902 goto free_tx; 2903 } 2904 ice_set_ring_xdp(&xdp_rings[i]); 2905 } 2906 2907 process_rx: 2908 if (new_rx_cnt == vsi->rx_rings[0]->count) 2909 goto process_link; 2910 2911 /* alloc updated Rx resources */ 2912 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2913 vsi->rx_rings[0]->count, new_rx_cnt); 2914 2915 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2916 if (!rx_rings) { 2917 err = -ENOMEM; 2918 goto done; 2919 } 2920 2921 ice_for_each_rxq(vsi, i) { 2922 /* clone ring and setup updated count */ 2923 rx_rings[i] = *vsi->rx_rings[i]; 2924 rx_rings[i].count = new_rx_cnt; 2925 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time; 2926 rx_rings[i].desc = NULL; 2927 rx_rings[i].rx_buf = NULL; 2928 /* this is to allow wr32 to have something to write to 2929 * during early allocation of Rx buffers 2930 */ 2931 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2932 2933 err = ice_setup_rx_ring(&rx_rings[i]); 2934 if (err) 2935 goto rx_unwind; 2936 2937 /* allocate Rx buffers */ 2938 err = ice_alloc_rx_bufs(&rx_rings[i], 2939 ICE_RX_DESC_UNUSED(&rx_rings[i])); 2940 rx_unwind: 2941 if (err) { 2942 while (i) { 2943 i--; 2944 ice_free_rx_ring(&rx_rings[i]); 2945 } 2946 kfree(rx_rings); 2947 err = -ENOMEM; 2948 goto free_tx; 2949 } 2950 } 2951 2952 process_link: 2953 /* Bring interface down, copy in the new ring info, then restore the 2954 * interface. if VSI is up, bring it down and then back up 2955 */ 2956 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 2957 ice_down(vsi); 2958 2959 if (tx_rings) { 2960 ice_for_each_txq(vsi, i) { 2961 ice_free_tx_ring(vsi->tx_rings[i]); 2962 *vsi->tx_rings[i] = tx_rings[i]; 2963 } 2964 kfree(tx_rings); 2965 } 2966 2967 if (rx_rings) { 2968 ice_for_each_rxq(vsi, i) { 2969 ice_free_rx_ring(vsi->rx_rings[i]); 2970 /* copy the real tail offset */ 2971 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2972 /* this is to fake out the allocation routine 2973 * into thinking it has to realloc everything 2974 * but the recycling logic will let us re-use 2975 * the buffers allocated above 2976 */ 2977 rx_rings[i].next_to_use = 0; 2978 rx_rings[i].next_to_clean = 0; 2979 rx_rings[i].next_to_alloc = 0; 2980 *vsi->rx_rings[i] = rx_rings[i]; 2981 } 2982 kfree(rx_rings); 2983 } 2984 2985 if (xdp_rings) { 2986 ice_for_each_xdp_txq(vsi, i) { 2987 ice_free_tx_ring(vsi->xdp_rings[i]); 2988 *vsi->xdp_rings[i] = xdp_rings[i]; 2989 } 2990 kfree(xdp_rings); 2991 } 2992 2993 vsi->num_tx_desc = new_tx_cnt; 2994 vsi->num_rx_desc = new_rx_cnt; 2995 ice_up(vsi); 2996 } 2997 goto done; 2998 2999 free_tx: 3000 /* error cleanup if the Rx allocations failed after getting Tx */ 3001 if (tx_rings) { 3002 ice_for_each_txq(vsi, i) 3003 ice_free_tx_ring(&tx_rings[i]); 3004 kfree(tx_rings); 3005 } 3006 3007 done: 3008 clear_bit(ICE_CFG_BUSY, pf->state); 3009 return err; 3010 } 3011 3012 /** 3013 * ice_get_pauseparam - Get Flow Control status 3014 * @netdev: network interface device structure 3015 * @pause: ethernet pause (flow control) parameters 3016 * 3017 * Get requested flow control status from PHY capability. 3018 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 3019 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 3020 * the negotiated Rx/Tx pause via lp_advertising. 3021 */ 3022 static void 3023 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3024 { 3025 struct ice_netdev_priv *np = netdev_priv(netdev); 3026 struct ice_port_info *pi = np->vsi->port_info; 3027 struct ice_aqc_get_phy_caps_data *pcaps; 3028 struct ice_dcbx_cfg *dcbx_cfg; 3029 int status; 3030 3031 /* Initialize pause params */ 3032 pause->rx_pause = 0; 3033 pause->tx_pause = 0; 3034 3035 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3036 3037 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3038 if (!pcaps) 3039 return; 3040 3041 /* Get current PHY config */ 3042 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3043 NULL); 3044 if (status) 3045 goto out; 3046 3047 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3048 AUTONEG_DISABLE; 3049 3050 if (dcbx_cfg->pfc.pfcena) 3051 /* PFC enabled so report LFC as off */ 3052 goto out; 3053 3054 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 3055 pause->tx_pause = 1; 3056 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 3057 pause->rx_pause = 1; 3058 3059 out: 3060 kfree(pcaps); 3061 } 3062 3063 /** 3064 * ice_set_pauseparam - Set Flow Control parameter 3065 * @netdev: network interface device structure 3066 * @pause: return Tx/Rx flow control status 3067 */ 3068 static int 3069 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3070 { 3071 struct ice_netdev_priv *np = netdev_priv(netdev); 3072 struct ice_aqc_get_phy_caps_data *pcaps; 3073 struct ice_link_status *hw_link_info; 3074 struct ice_pf *pf = np->vsi->back; 3075 struct ice_dcbx_cfg *dcbx_cfg; 3076 struct ice_vsi *vsi = np->vsi; 3077 struct ice_hw *hw = &pf->hw; 3078 struct ice_port_info *pi; 3079 u8 aq_failures; 3080 bool link_up; 3081 u32 is_an; 3082 int err; 3083 3084 pi = vsi->port_info; 3085 hw_link_info = &pi->phy.link_info; 3086 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3087 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3088 3089 /* Changing the port's flow control is not supported if this isn't the 3090 * PF VSI 3091 */ 3092 if (vsi->type != ICE_VSI_PF) { 3093 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3094 return -EOPNOTSUPP; 3095 } 3096 3097 /* Get pause param reports configured and negotiated flow control pause 3098 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3099 * defined get pause param pause->autoneg reports SW configured setting, 3100 * so compare pause->autoneg with SW configured to prevent the user from 3101 * using set pause param to chance autoneg. 3102 */ 3103 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3104 if (!pcaps) 3105 return -ENOMEM; 3106 3107 /* Get current PHY config */ 3108 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3109 NULL); 3110 if (err) { 3111 kfree(pcaps); 3112 return err; 3113 } 3114 3115 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3116 AUTONEG_DISABLE; 3117 3118 kfree(pcaps); 3119 3120 if (pause->autoneg != is_an) { 3121 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3122 return -EOPNOTSUPP; 3123 } 3124 3125 /* If we have link and don't have autoneg */ 3126 if (!test_bit(ICE_DOWN, pf->state) && 3127 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3128 /* Send message that it might not necessarily work*/ 3129 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3130 } 3131 3132 if (dcbx_cfg->pfc.pfcena) { 3133 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3134 return -EOPNOTSUPP; 3135 } 3136 if (pause->rx_pause && pause->tx_pause) 3137 pi->fc.req_mode = ICE_FC_FULL; 3138 else if (pause->rx_pause && !pause->tx_pause) 3139 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3140 else if (!pause->rx_pause && pause->tx_pause) 3141 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3142 else if (!pause->rx_pause && !pause->tx_pause) 3143 pi->fc.req_mode = ICE_FC_NONE; 3144 else 3145 return -EINVAL; 3146 3147 /* Set the FC mode and only restart AN if link is up */ 3148 err = ice_set_fc(pi, &aq_failures, link_up); 3149 3150 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3151 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n", 3152 err, ice_aq_str(hw->adminq.sq_last_status)); 3153 err = -EAGAIN; 3154 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3155 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n", 3156 err, ice_aq_str(hw->adminq.sq_last_status)); 3157 err = -EAGAIN; 3158 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3159 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n", 3160 err, ice_aq_str(hw->adminq.sq_last_status)); 3161 err = -EAGAIN; 3162 } 3163 3164 return err; 3165 } 3166 3167 /** 3168 * ice_get_rxfh_key_size - get the RSS hash key size 3169 * @netdev: network interface device structure 3170 * 3171 * Returns the table size. 3172 */ 3173 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3174 { 3175 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3176 } 3177 3178 /** 3179 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3180 * @netdev: network interface device structure 3181 * 3182 * Returns the table size. 3183 */ 3184 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3185 { 3186 struct ice_netdev_priv *np = netdev_priv(netdev); 3187 3188 return np->vsi->rss_table_size; 3189 } 3190 3191 /** 3192 * ice_get_rxfh - get the Rx flow hash indirection table 3193 * @netdev: network interface device structure 3194 * @rxfh: pointer to param struct (indir, key, hfunc) 3195 * 3196 * Reads the indirection table directly from the hardware. 3197 */ 3198 static int 3199 ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh) 3200 { 3201 struct ice_netdev_priv *np = netdev_priv(netdev); 3202 u32 rss_context = rxfh->rss_context; 3203 struct ice_vsi *vsi = np->vsi; 3204 struct ice_pf *pf = vsi->back; 3205 u16 qcount, offset; 3206 int err, num_tc, i; 3207 u8 *lut; 3208 3209 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3210 netdev_warn(netdev, "RSS is not supported on this VSI!\n"); 3211 return -EOPNOTSUPP; 3212 } 3213 3214 if (rss_context && !ice_is_adq_active(pf)) { 3215 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n"); 3216 return -EINVAL; 3217 } 3218 3219 qcount = vsi->mqprio_qopt.qopt.count[rss_context]; 3220 offset = vsi->mqprio_qopt.qopt.offset[rss_context]; 3221 3222 if (rss_context && ice_is_adq_active(pf)) { 3223 num_tc = vsi->mqprio_qopt.qopt.num_tc; 3224 if (rss_context >= num_tc) { 3225 netdev_err(netdev, "RSS context:%d > num_tc:%d\n", 3226 rss_context, num_tc); 3227 return -EINVAL; 3228 } 3229 /* Use channel VSI of given TC */ 3230 vsi = vsi->tc_map_vsi[rss_context]; 3231 } 3232 3233 rxfh->hfunc = ETH_RSS_HASH_TOP; 3234 if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ) 3235 rxfh->input_xfrm |= RXH_XFRM_SYM_XOR; 3236 3237 if (!rxfh->indir) 3238 return 0; 3239 3240 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3241 if (!lut) 3242 return -ENOMEM; 3243 3244 err = ice_get_rss_key(vsi, rxfh->key); 3245 if (err) 3246 goto out; 3247 3248 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size); 3249 if (err) 3250 goto out; 3251 3252 if (ice_is_adq_active(pf)) { 3253 for (i = 0; i < vsi->rss_table_size; i++) 3254 rxfh->indir[i] = offset + lut[i] % qcount; 3255 goto out; 3256 } 3257 3258 for (i = 0; i < vsi->rss_table_size; i++) 3259 rxfh->indir[i] = lut[i]; 3260 3261 out: 3262 kfree(lut); 3263 return err; 3264 } 3265 3266 /** 3267 * ice_set_rxfh - set the Rx flow hash indirection table 3268 * @netdev: network interface device structure 3269 * @rxfh: pointer to param struct (indir, key, hfunc) 3270 * @extack: extended ACK from the Netlink message 3271 * 3272 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3273 * returns 0 after programming the table. 3274 */ 3275 static int 3276 ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh, 3277 struct netlink_ext_ack *extack) 3278 { 3279 struct ice_netdev_priv *np = netdev_priv(netdev); 3280 u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ; 3281 struct ice_vsi *vsi = np->vsi; 3282 struct ice_pf *pf = vsi->back; 3283 struct device *dev; 3284 int err; 3285 3286 dev = ice_pf_to_dev(pf); 3287 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && 3288 rxfh->hfunc != ETH_RSS_HASH_TOP) 3289 return -EOPNOTSUPP; 3290 3291 if (rxfh->rss_context) 3292 return -EOPNOTSUPP; 3293 3294 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3295 /* RSS not supported return error here */ 3296 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3297 return -EIO; 3298 } 3299 3300 if (ice_is_adq_active(pf)) { 3301 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n"); 3302 return -EOPNOTSUPP; 3303 } 3304 3305 /* Update the VSI's hash function */ 3306 if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR) 3307 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ; 3308 3309 err = ice_set_rss_hfunc(vsi, hfunc); 3310 if (err) 3311 return err; 3312 3313 if (rxfh->key) { 3314 if (!vsi->rss_hkey_user) { 3315 vsi->rss_hkey_user = 3316 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3317 GFP_KERNEL); 3318 if (!vsi->rss_hkey_user) 3319 return -ENOMEM; 3320 } 3321 memcpy(vsi->rss_hkey_user, rxfh->key, 3322 ICE_VSIQF_HKEY_ARRAY_SIZE); 3323 3324 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3325 if (err) 3326 return err; 3327 } 3328 3329 if (!vsi->rss_lut_user) { 3330 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3331 GFP_KERNEL); 3332 if (!vsi->rss_lut_user) 3333 return -ENOMEM; 3334 } 3335 3336 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3337 if (rxfh->indir) { 3338 int i; 3339 3340 for (i = 0; i < vsi->rss_table_size; i++) 3341 vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]); 3342 } else { 3343 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3344 vsi->rss_size); 3345 } 3346 3347 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3348 if (err) 3349 return err; 3350 3351 return 0; 3352 } 3353 3354 static int 3355 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) 3356 { 3357 struct ice_pf *pf = ice_netdev_to_pf(dev); 3358 3359 /* only report timestamping if PTP is enabled */ 3360 if (pf->ptp.state != ICE_PTP_READY) 3361 return ethtool_op_get_ts_info(dev, info); 3362 3363 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3364 SOF_TIMESTAMPING_RX_SOFTWARE | 3365 SOF_TIMESTAMPING_SOFTWARE | 3366 SOF_TIMESTAMPING_TX_HARDWARE | 3367 SOF_TIMESTAMPING_RX_HARDWARE | 3368 SOF_TIMESTAMPING_RAW_HARDWARE; 3369 3370 info->phc_index = ice_ptp_clock_index(pf); 3371 3372 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3373 3374 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3375 3376 return 0; 3377 } 3378 3379 /** 3380 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3381 * @pf: PF structure 3382 */ 3383 static int ice_get_max_txq(struct ice_pf *pf) 3384 { 3385 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3386 (u16)pf->hw.func_caps.common_cap.num_txq); 3387 } 3388 3389 /** 3390 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3391 * @pf: PF structure 3392 */ 3393 static int ice_get_max_rxq(struct ice_pf *pf) 3394 { 3395 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3396 (u16)pf->hw.func_caps.common_cap.num_rxq); 3397 } 3398 3399 /** 3400 * ice_get_combined_cnt - return the current number of combined channels 3401 * @vsi: PF VSI pointer 3402 * 3403 * Go through all queue vectors and count ones that have both Rx and Tx ring 3404 * attached 3405 */ 3406 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3407 { 3408 u32 combined = 0; 3409 int q_idx; 3410 3411 ice_for_each_q_vector(vsi, q_idx) { 3412 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3413 3414 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring) 3415 combined++; 3416 } 3417 3418 return combined; 3419 } 3420 3421 /** 3422 * ice_get_channels - get the current and max supported channels 3423 * @dev: network interface device structure 3424 * @ch: ethtool channel data structure 3425 */ 3426 static void 3427 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3428 { 3429 struct ice_netdev_priv *np = netdev_priv(dev); 3430 struct ice_vsi *vsi = np->vsi; 3431 struct ice_pf *pf = vsi->back; 3432 3433 /* report maximum channels */ 3434 ch->max_rx = ice_get_max_rxq(pf); 3435 ch->max_tx = ice_get_max_txq(pf); 3436 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3437 3438 /* report current channels */ 3439 ch->combined_count = ice_get_combined_cnt(vsi); 3440 ch->rx_count = vsi->num_rxq - ch->combined_count; 3441 ch->tx_count = vsi->num_txq - ch->combined_count; 3442 3443 /* report other queues */ 3444 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3445 ch->max_other = ch->other_count; 3446 } 3447 3448 /** 3449 * ice_get_valid_rss_size - return valid number of RSS queues 3450 * @hw: pointer to the HW structure 3451 * @new_size: requested RSS queues 3452 */ 3453 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3454 { 3455 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3456 3457 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3458 } 3459 3460 /** 3461 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3462 * @vsi: VSI to reconfigure RSS LUT on 3463 * @req_rss_size: requested range of queue numbers for hashing 3464 * 3465 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3466 */ 3467 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3468 { 3469 struct ice_pf *pf = vsi->back; 3470 struct device *dev; 3471 struct ice_hw *hw; 3472 int err; 3473 u8 *lut; 3474 3475 dev = ice_pf_to_dev(pf); 3476 hw = &pf->hw; 3477 3478 if (!req_rss_size) 3479 return -EINVAL; 3480 3481 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3482 if (!lut) 3483 return -ENOMEM; 3484 3485 /* set RSS LUT parameters */ 3486 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3487 vsi->rss_size = 1; 3488 else 3489 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3490 3491 /* create/set RSS LUT */ 3492 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3493 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3494 if (err) 3495 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3496 ice_aq_str(hw->adminq.sq_last_status)); 3497 3498 kfree(lut); 3499 return err; 3500 } 3501 3502 /** 3503 * ice_set_channels - set the number channels 3504 * @dev: network interface device structure 3505 * @ch: ethtool channel data structure 3506 */ 3507 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3508 { 3509 struct ice_netdev_priv *np = netdev_priv(dev); 3510 struct ice_vsi *vsi = np->vsi; 3511 struct ice_pf *pf = vsi->back; 3512 int new_rx = 0, new_tx = 0; 3513 bool locked = false; 3514 u32 curr_combined; 3515 int ret = 0; 3516 3517 /* do not support changing channels in Safe Mode */ 3518 if (ice_is_safe_mode(pf)) { 3519 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3520 return -EOPNOTSUPP; 3521 } 3522 /* do not support changing other_count */ 3523 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3524 return -EINVAL; 3525 3526 if (ice_is_adq_active(pf)) { 3527 netdev_err(dev, "Cannot set channels with ADQ configured.\n"); 3528 return -EOPNOTSUPP; 3529 } 3530 3531 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3532 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3533 return -EOPNOTSUPP; 3534 } 3535 3536 curr_combined = ice_get_combined_cnt(vsi); 3537 3538 /* these checks are for cases where user didn't specify a particular 3539 * value on cmd line but we get non-zero value anyway via 3540 * get_channels(); look at ethtool.c in ethtool repository (the user 3541 * space part), particularly, do_schannels() routine 3542 */ 3543 if (ch->rx_count == vsi->num_rxq - curr_combined) 3544 ch->rx_count = 0; 3545 if (ch->tx_count == vsi->num_txq - curr_combined) 3546 ch->tx_count = 0; 3547 if (ch->combined_count == curr_combined) 3548 ch->combined_count = 0; 3549 3550 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3551 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3552 return -EINVAL; 3553 } 3554 3555 new_rx = ch->combined_count + ch->rx_count; 3556 new_tx = ch->combined_count + ch->tx_count; 3557 3558 if (new_rx < vsi->tc_cfg.numtc) { 3559 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n", 3560 vsi->tc_cfg.numtc); 3561 return -EINVAL; 3562 } 3563 if (new_tx < vsi->tc_cfg.numtc) { 3564 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n", 3565 vsi->tc_cfg.numtc); 3566 return -EINVAL; 3567 } 3568 if (new_rx > ice_get_max_rxq(pf)) { 3569 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3570 ice_get_max_rxq(pf)); 3571 return -EINVAL; 3572 } 3573 if (new_tx > ice_get_max_txq(pf)) { 3574 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3575 ice_get_max_txq(pf)); 3576 return -EINVAL; 3577 } 3578 3579 if (pf->adev) { 3580 mutex_lock(&pf->adev_mutex); 3581 device_lock(&pf->adev->dev); 3582 locked = true; 3583 if (pf->adev->dev.driver) { 3584 netdev_err(dev, "Cannot change channels when RDMA is active\n"); 3585 ret = -EBUSY; 3586 goto adev_unlock; 3587 } 3588 } 3589 3590 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked); 3591 3592 if (!netif_is_rxfh_configured(dev)) { 3593 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3594 goto adev_unlock; 3595 } 3596 3597 /* Update rss_size due to change in Rx queues */ 3598 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3599 3600 adev_unlock: 3601 if (locked) { 3602 device_unlock(&pf->adev->dev); 3603 mutex_unlock(&pf->adev_mutex); 3604 } 3605 return ret; 3606 } 3607 3608 /** 3609 * ice_get_wol - get current Wake on LAN configuration 3610 * @netdev: network interface device structure 3611 * @wol: Ethtool structure to retrieve WoL settings 3612 */ 3613 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3614 { 3615 struct ice_netdev_priv *np = netdev_priv(netdev); 3616 struct ice_pf *pf = np->vsi->back; 3617 3618 if (np->vsi->type != ICE_VSI_PF) 3619 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3620 3621 /* Get WoL settings based on the HW capability */ 3622 if (ice_is_wol_supported(&pf->hw)) { 3623 wol->supported = WAKE_MAGIC; 3624 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3625 } else { 3626 wol->supported = 0; 3627 wol->wolopts = 0; 3628 } 3629 } 3630 3631 /** 3632 * ice_set_wol - set Wake on LAN on supported device 3633 * @netdev: network interface device structure 3634 * @wol: Ethtool structure to set WoL 3635 */ 3636 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3637 { 3638 struct ice_netdev_priv *np = netdev_priv(netdev); 3639 struct ice_vsi *vsi = np->vsi; 3640 struct ice_pf *pf = vsi->back; 3641 3642 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 3643 return -EOPNOTSUPP; 3644 3645 /* only magic packet is supported */ 3646 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3647 return -EOPNOTSUPP; 3648 3649 /* Set WoL only if there is a new value */ 3650 if (pf->wol_ena != !!wol->wolopts) { 3651 pf->wol_ena = !!wol->wolopts; 3652 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3653 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3654 pf->wol_ena ? "en" : "dis"); 3655 } 3656 3657 return 0; 3658 } 3659 3660 /** 3661 * ice_get_rc_coalesce - get ITR values for specific ring container 3662 * @ec: ethtool structure to fill with driver's coalesce settings 3663 * @rc: ring container that the ITR values will come from 3664 * 3665 * Query the device for ice_ring_container specific ITR values. This is 3666 * done per ice_ring_container because each q_vector can have 1 or more rings 3667 * and all of said ring(s) will have the same ITR values. 3668 * 3669 * Returns 0 on success, negative otherwise. 3670 */ 3671 static int 3672 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc) 3673 { 3674 if (!rc->rx_ring) 3675 return -EINVAL; 3676 3677 switch (rc->type) { 3678 case ICE_RX_CONTAINER: 3679 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 3680 ec->rx_coalesce_usecs = rc->itr_setting; 3681 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl; 3682 break; 3683 case ICE_TX_CONTAINER: 3684 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 3685 ec->tx_coalesce_usecs = rc->itr_setting; 3686 break; 3687 default: 3688 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type); 3689 return -EINVAL; 3690 } 3691 3692 return 0; 3693 } 3694 3695 /** 3696 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3697 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3698 * @ec: coalesce settings to program the device with 3699 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3700 * 3701 * Return 0 on success, and negative under the following conditions: 3702 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3703 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3704 */ 3705 static int 3706 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3707 { 3708 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3709 if (ice_get_rc_coalesce(ec, 3710 &vsi->rx_rings[q_num]->q_vector->rx)) 3711 return -EINVAL; 3712 if (ice_get_rc_coalesce(ec, 3713 &vsi->tx_rings[q_num]->q_vector->tx)) 3714 return -EINVAL; 3715 } else if (q_num < vsi->num_rxq) { 3716 if (ice_get_rc_coalesce(ec, 3717 &vsi->rx_rings[q_num]->q_vector->rx)) 3718 return -EINVAL; 3719 } else if (q_num < vsi->num_txq) { 3720 if (ice_get_rc_coalesce(ec, 3721 &vsi->tx_rings[q_num]->q_vector->tx)) 3722 return -EINVAL; 3723 } else { 3724 return -EINVAL; 3725 } 3726 3727 return 0; 3728 } 3729 3730 /** 3731 * __ice_get_coalesce - get ITR/INTRL values for the device 3732 * @netdev: pointer to the netdev associated with this query 3733 * @ec: ethtool structure to fill with driver's coalesce settings 3734 * @q_num: queue number to get the coalesce settings for 3735 * 3736 * If the caller passes in a negative q_num then we return coalesce settings 3737 * based on queue number 0, else use the actual q_num passed in. 3738 */ 3739 static int 3740 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3741 int q_num) 3742 { 3743 struct ice_netdev_priv *np = netdev_priv(netdev); 3744 struct ice_vsi *vsi = np->vsi; 3745 3746 if (q_num < 0) 3747 q_num = 0; 3748 3749 if (ice_get_q_coalesce(vsi, ec, q_num)) 3750 return -EINVAL; 3751 3752 return 0; 3753 } 3754 3755 static int ice_get_coalesce(struct net_device *netdev, 3756 struct ethtool_coalesce *ec, 3757 struct kernel_ethtool_coalesce *kernel_coal, 3758 struct netlink_ext_ack *extack) 3759 { 3760 return __ice_get_coalesce(netdev, ec, -1); 3761 } 3762 3763 static int 3764 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3765 struct ethtool_coalesce *ec) 3766 { 3767 return __ice_get_coalesce(netdev, ec, q_num); 3768 } 3769 3770 /** 3771 * ice_set_rc_coalesce - set ITR values for specific ring container 3772 * @ec: ethtool structure from user to update ITR settings 3773 * @rc: ring container that the ITR values will come from 3774 * @vsi: VSI associated to the ring container 3775 * 3776 * Set specific ITR values. This is done per ice_ring_container because each 3777 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3778 * ITR values. 3779 * 3780 * Returns 0 on success, negative otherwise. 3781 */ 3782 static int 3783 ice_set_rc_coalesce(struct ethtool_coalesce *ec, 3784 struct ice_ring_container *rc, struct ice_vsi *vsi) 3785 { 3786 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3787 u32 use_adaptive_coalesce, coalesce_usecs; 3788 struct ice_pf *pf = vsi->back; 3789 u16 itr_setting; 3790 3791 if (!rc->rx_ring) 3792 return -EINVAL; 3793 3794 switch (rc->type) { 3795 case ICE_RX_CONTAINER: 3796 { 3797 struct ice_q_vector *q_vector = rc->rx_ring->q_vector; 3798 3799 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3800 (ec->rx_coalesce_usecs_high && 3801 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3802 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3803 c_type_str, pf->hw.intrl_gran, 3804 ICE_MAX_INTRL); 3805 return -EINVAL; 3806 } 3807 if (ec->rx_coalesce_usecs_high != q_vector->intrl && 3808 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 3809 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 3810 c_type_str); 3811 return -EINVAL; 3812 } 3813 if (ec->rx_coalesce_usecs_high != q_vector->intrl) 3814 q_vector->intrl = ec->rx_coalesce_usecs_high; 3815 3816 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3817 coalesce_usecs = ec->rx_coalesce_usecs; 3818 3819 break; 3820 } 3821 case ICE_TX_CONTAINER: 3822 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3823 coalesce_usecs = ec->tx_coalesce_usecs; 3824 3825 break; 3826 default: 3827 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3828 rc->type); 3829 return -EINVAL; 3830 } 3831 3832 itr_setting = rc->itr_setting; 3833 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3834 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3835 c_type_str, c_type_str); 3836 return -EINVAL; 3837 } 3838 3839 if (coalesce_usecs > ICE_ITR_MAX) { 3840 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3841 c_type_str, ICE_ITR_MAX); 3842 return -EINVAL; 3843 } 3844 3845 if (use_adaptive_coalesce) { 3846 rc->itr_mode = ITR_DYNAMIC; 3847 } else { 3848 rc->itr_mode = ITR_STATIC; 3849 /* store user facing value how it was set */ 3850 rc->itr_setting = coalesce_usecs; 3851 /* write the change to the register */ 3852 ice_write_itr(rc, coalesce_usecs); 3853 /* force writes to take effect immediately, the flush shouldn't 3854 * be done in the functions above because the intent is for 3855 * them to do lazy writes. 3856 */ 3857 ice_flush(&pf->hw); 3858 } 3859 3860 return 0; 3861 } 3862 3863 /** 3864 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3865 * @vsi: VSI associated to the queue that need updating 3866 * @ec: coalesce settings to program the device with 3867 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3868 * 3869 * Return 0 on success, and negative under the following conditions: 3870 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3871 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3872 */ 3873 static int 3874 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3875 { 3876 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3877 if (ice_set_rc_coalesce(ec, 3878 &vsi->rx_rings[q_num]->q_vector->rx, 3879 vsi)) 3880 return -EINVAL; 3881 3882 if (ice_set_rc_coalesce(ec, 3883 &vsi->tx_rings[q_num]->q_vector->tx, 3884 vsi)) 3885 return -EINVAL; 3886 } else if (q_num < vsi->num_rxq) { 3887 if (ice_set_rc_coalesce(ec, 3888 &vsi->rx_rings[q_num]->q_vector->rx, 3889 vsi)) 3890 return -EINVAL; 3891 } else if (q_num < vsi->num_txq) { 3892 if (ice_set_rc_coalesce(ec, 3893 &vsi->tx_rings[q_num]->q_vector->tx, 3894 vsi)) 3895 return -EINVAL; 3896 } else { 3897 return -EINVAL; 3898 } 3899 3900 return 0; 3901 } 3902 3903 /** 3904 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3905 * @netdev: netdev used for print 3906 * @itr_setting: previous user setting 3907 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3908 * @coalesce_usecs: requested value of [tx|rx]-usecs 3909 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3910 */ 3911 static void 3912 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3913 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3914 const char *c_type_str) 3915 { 3916 if (use_adaptive_coalesce) 3917 return; 3918 3919 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3920 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", 3921 c_type_str, coalesce_usecs, c_type_str, 3922 ITR_REG_ALIGN(coalesce_usecs)); 3923 } 3924 3925 /** 3926 * __ice_set_coalesce - set ITR/INTRL values for the device 3927 * @netdev: pointer to the netdev associated with this query 3928 * @ec: ethtool structure to fill with driver's coalesce settings 3929 * @q_num: queue number to get the coalesce settings for 3930 * 3931 * If the caller passes in a negative q_num then we set the coalesce settings 3932 * for all Tx/Rx queues, else use the actual q_num passed in. 3933 */ 3934 static int 3935 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3936 int q_num) 3937 { 3938 struct ice_netdev_priv *np = netdev_priv(netdev); 3939 struct ice_vsi *vsi = np->vsi; 3940 3941 if (q_num < 0) { 3942 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3943 int v_idx; 3944 3945 if (q_vector) { 3946 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3947 ec->use_adaptive_rx_coalesce, 3948 ec->rx_coalesce_usecs, "rx"); 3949 3950 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3951 ec->use_adaptive_tx_coalesce, 3952 ec->tx_coalesce_usecs, "tx"); 3953 } 3954 3955 ice_for_each_q_vector(vsi, v_idx) { 3956 /* In some cases if DCB is configured the num_[rx|tx]q 3957 * can be less than vsi->num_q_vectors. This check 3958 * accounts for that so we don't report a false failure 3959 */ 3960 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3961 goto set_complete; 3962 3963 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3964 return -EINVAL; 3965 3966 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]); 3967 } 3968 goto set_complete; 3969 } 3970 3971 if (ice_set_q_coalesce(vsi, ec, q_num)) 3972 return -EINVAL; 3973 3974 ice_set_q_vector_intrl(vsi->q_vectors[q_num]); 3975 3976 set_complete: 3977 return 0; 3978 } 3979 3980 static int ice_set_coalesce(struct net_device *netdev, 3981 struct ethtool_coalesce *ec, 3982 struct kernel_ethtool_coalesce *kernel_coal, 3983 struct netlink_ext_ack *extack) 3984 { 3985 return __ice_set_coalesce(netdev, ec, -1); 3986 } 3987 3988 static int 3989 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3990 struct ethtool_coalesce *ec) 3991 { 3992 return __ice_set_coalesce(netdev, ec, q_num); 3993 } 3994 3995 static void 3996 ice_repr_get_drvinfo(struct net_device *netdev, 3997 struct ethtool_drvinfo *drvinfo) 3998 { 3999 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4000 4001 if (ice_check_vf_ready_for_cfg(repr->vf)) 4002 return; 4003 4004 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi); 4005 } 4006 4007 static void 4008 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 4009 { 4010 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4011 4012 /* for port representors only ETH_SS_STATS is supported */ 4013 if (ice_check_vf_ready_for_cfg(repr->vf) || 4014 stringset != ETH_SS_STATS) 4015 return; 4016 4017 __ice_get_strings(netdev, stringset, data, repr->src_vsi); 4018 } 4019 4020 static void 4021 ice_repr_get_ethtool_stats(struct net_device *netdev, 4022 struct ethtool_stats __always_unused *stats, 4023 u64 *data) 4024 { 4025 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4026 4027 if (ice_check_vf_ready_for_cfg(repr->vf)) 4028 return; 4029 4030 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi); 4031 } 4032 4033 static int ice_repr_get_sset_count(struct net_device *netdev, int sset) 4034 { 4035 switch (sset) { 4036 case ETH_SS_STATS: 4037 return ICE_VSI_STATS_LEN; 4038 default: 4039 return -EOPNOTSUPP; 4040 } 4041 } 4042 4043 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 4044 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 4045 #define ICE_MODULE_TYPE_SFP 0x03 4046 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 4047 #define ICE_MODULE_TYPE_QSFP28 0x11 4048 #define ICE_MODULE_SFF_ADDR_MODE 0x04 4049 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 4050 #define ICE_MODULE_REVISION_ADDR 0x01 4051 #define ICE_MODULE_SFF_8472_COMP 0x5E 4052 #define ICE_MODULE_SFF_8472_SWAP 0x5C 4053 #define ICE_MODULE_QSFP_MAX_LEN 640 4054 4055 /** 4056 * ice_get_module_info - get SFF module type and revision information 4057 * @netdev: network interface device structure 4058 * @modinfo: module EEPROM size and layout information structure 4059 */ 4060 static int 4061 ice_get_module_info(struct net_device *netdev, 4062 struct ethtool_modinfo *modinfo) 4063 { 4064 struct ice_netdev_priv *np = netdev_priv(netdev); 4065 struct ice_vsi *vsi = np->vsi; 4066 struct ice_pf *pf = vsi->back; 4067 struct ice_hw *hw = &pf->hw; 4068 u8 sff8472_comp = 0; 4069 u8 sff8472_swap = 0; 4070 u8 sff8636_rev = 0; 4071 u8 value = 0; 4072 int status; 4073 4074 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 4075 0, &value, 1, 0, NULL); 4076 if (status) 4077 return status; 4078 4079 switch (value) { 4080 case ICE_MODULE_TYPE_SFP: 4081 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4082 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 4083 &sff8472_comp, 1, 0, NULL); 4084 if (status) 4085 return status; 4086 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4087 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 4088 &sff8472_swap, 1, 0, NULL); 4089 if (status) 4090 return status; 4091 4092 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 4093 modinfo->type = ETH_MODULE_SFF_8079; 4094 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4095 } else if (sff8472_comp && 4096 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 4097 modinfo->type = ETH_MODULE_SFF_8472; 4098 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 4099 } else { 4100 modinfo->type = ETH_MODULE_SFF_8079; 4101 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4102 } 4103 break; 4104 case ICE_MODULE_TYPE_QSFP_PLUS: 4105 case ICE_MODULE_TYPE_QSFP28: 4106 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4107 ICE_MODULE_REVISION_ADDR, 0x00, 0, 4108 &sff8636_rev, 1, 0, NULL); 4109 if (status) 4110 return status; 4111 /* Check revision compliance */ 4112 if (sff8636_rev > 0x02) { 4113 /* Module is SFF-8636 compliant */ 4114 modinfo->type = ETH_MODULE_SFF_8636; 4115 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4116 } else { 4117 modinfo->type = ETH_MODULE_SFF_8436; 4118 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4119 } 4120 break; 4121 default: 4122 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 4123 return -EINVAL; 4124 } 4125 return 0; 4126 } 4127 4128 /** 4129 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 4130 * @netdev: network interface device structure 4131 * @ee: EEPROM dump request structure 4132 * @data: buffer to be filled with EEPROM contents 4133 */ 4134 static int 4135 ice_get_module_eeprom(struct net_device *netdev, 4136 struct ethtool_eeprom *ee, u8 *data) 4137 { 4138 struct ice_netdev_priv *np = netdev_priv(netdev); 4139 #define SFF_READ_BLOCK_SIZE 8 4140 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 4141 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 4142 struct ice_vsi *vsi = np->vsi; 4143 struct ice_pf *pf = vsi->back; 4144 struct ice_hw *hw = &pf->hw; 4145 bool is_sfp = false; 4146 unsigned int i, j; 4147 u16 offset = 0; 4148 u8 page = 0; 4149 int status; 4150 4151 if (!ee || !ee->len || !data) 4152 return -EINVAL; 4153 4154 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 4155 NULL); 4156 if (status) 4157 return status; 4158 4159 if (value[0] == ICE_MODULE_TYPE_SFP) 4160 is_sfp = true; 4161 4162 memset(data, 0, ee->len); 4163 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 4164 offset = i + ee->offset; 4165 page = 0; 4166 4167 /* Check if we need to access the other memory page */ 4168 if (is_sfp) { 4169 if (offset >= ETH_MODULE_SFF_8079_LEN) { 4170 offset -= ETH_MODULE_SFF_8079_LEN; 4171 addr = ICE_I2C_EEPROM_DEV_ADDR2; 4172 } 4173 } else { 4174 while (offset >= ETH_MODULE_SFF_8436_LEN) { 4175 /* Compute memory page number and offset. */ 4176 offset -= ETH_MODULE_SFF_8436_LEN / 2; 4177 page++; 4178 } 4179 } 4180 4181 /* Bit 2 of EEPROM address 0x02 declares upper 4182 * pages are disabled on QSFP modules. 4183 * SFP modules only ever use page 0. 4184 */ 4185 if (page == 0 || !(data[0x2] & 0x4)) { 4186 u32 copy_len; 4187 4188 /* If i2c bus is busy due to slow page change or 4189 * link management access, call can fail. This is normal. 4190 * So we retry this a few times. 4191 */ 4192 for (j = 0; j < 4; j++) { 4193 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 4194 !is_sfp, value, 4195 SFF_READ_BLOCK_SIZE, 4196 0, NULL); 4197 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n", 4198 addr, offset, page, is_sfp, 4199 value[0], value[1], value[2], value[3], 4200 value[4], value[5], value[6], value[7], 4201 status); 4202 if (status) { 4203 usleep_range(1500, 2500); 4204 memset(value, 0, SFF_READ_BLOCK_SIZE); 4205 continue; 4206 } 4207 break; 4208 } 4209 4210 /* Make sure we have enough room for the new block */ 4211 copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i); 4212 memcpy(data + i, value, copy_len); 4213 } 4214 } 4215 return 0; 4216 } 4217 4218 static const struct ethtool_ops ice_ethtool_ops = { 4219 .cap_rss_ctx_supported = true, 4220 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 4221 ETHTOOL_COALESCE_USE_ADAPTIVE | 4222 ETHTOOL_COALESCE_RX_USECS_HIGH, 4223 .cap_rss_sym_xor_supported = true, 4224 .get_link_ksettings = ice_get_link_ksettings, 4225 .set_link_ksettings = ice_set_link_ksettings, 4226 .get_drvinfo = ice_get_drvinfo, 4227 .get_regs_len = ice_get_regs_len, 4228 .get_regs = ice_get_regs, 4229 .get_wol = ice_get_wol, 4230 .set_wol = ice_set_wol, 4231 .get_msglevel = ice_get_msglevel, 4232 .set_msglevel = ice_set_msglevel, 4233 .self_test = ice_self_test, 4234 .get_link = ethtool_op_get_link, 4235 .get_eeprom_len = ice_get_eeprom_len, 4236 .get_eeprom = ice_get_eeprom, 4237 .get_coalesce = ice_get_coalesce, 4238 .set_coalesce = ice_set_coalesce, 4239 .get_strings = ice_get_strings, 4240 .set_phys_id = ice_set_phys_id, 4241 .get_ethtool_stats = ice_get_ethtool_stats, 4242 .get_priv_flags = ice_get_priv_flags, 4243 .set_priv_flags = ice_set_priv_flags, 4244 .get_sset_count = ice_get_sset_count, 4245 .get_rxnfc = ice_get_rxnfc, 4246 .set_rxnfc = ice_set_rxnfc, 4247 .get_ringparam = ice_get_ringparam, 4248 .set_ringparam = ice_set_ringparam, 4249 .nway_reset = ice_nway_reset, 4250 .get_pauseparam = ice_get_pauseparam, 4251 .set_pauseparam = ice_set_pauseparam, 4252 .get_rxfh_key_size = ice_get_rxfh_key_size, 4253 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4254 .get_rxfh = ice_get_rxfh, 4255 .set_rxfh = ice_set_rxfh, 4256 .get_channels = ice_get_channels, 4257 .set_channels = ice_set_channels, 4258 .get_ts_info = ice_get_ts_info, 4259 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4260 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4261 .get_fecparam = ice_get_fecparam, 4262 .set_fecparam = ice_set_fecparam, 4263 .get_module_info = ice_get_module_info, 4264 .get_module_eeprom = ice_get_module_eeprom, 4265 }; 4266 4267 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4268 .get_link_ksettings = ice_get_link_ksettings, 4269 .set_link_ksettings = ice_set_link_ksettings, 4270 .get_drvinfo = ice_get_drvinfo, 4271 .get_regs_len = ice_get_regs_len, 4272 .get_regs = ice_get_regs, 4273 .get_wol = ice_get_wol, 4274 .set_wol = ice_set_wol, 4275 .get_msglevel = ice_get_msglevel, 4276 .set_msglevel = ice_set_msglevel, 4277 .get_link = ethtool_op_get_link, 4278 .get_eeprom_len = ice_get_eeprom_len, 4279 .get_eeprom = ice_get_eeprom, 4280 .get_strings = ice_get_strings, 4281 .get_ethtool_stats = ice_get_ethtool_stats, 4282 .get_sset_count = ice_get_sset_count, 4283 .get_ringparam = ice_get_ringparam, 4284 .set_ringparam = ice_set_ringparam, 4285 .nway_reset = ice_nway_reset, 4286 .get_channels = ice_get_channels, 4287 }; 4288 4289 /** 4290 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4291 * @netdev: network interface device structure 4292 */ 4293 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4294 { 4295 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4296 } 4297 4298 static const struct ethtool_ops ice_ethtool_repr_ops = { 4299 .get_drvinfo = ice_repr_get_drvinfo, 4300 .get_link = ethtool_op_get_link, 4301 .get_strings = ice_repr_get_strings, 4302 .get_ethtool_stats = ice_repr_get_ethtool_stats, 4303 .get_sset_count = ice_repr_get_sset_count, 4304 }; 4305 4306 /** 4307 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops 4308 * @netdev: network interface device structure 4309 */ 4310 void ice_set_ethtool_repr_ops(struct net_device *netdev) 4311 { 4312 netdev->ethtool_ops = &ice_ethtool_repr_ops; 4313 } 4314 4315 /** 4316 * ice_set_ethtool_ops - setup netdev ethtool ops 4317 * @netdev: network interface device structure 4318 * 4319 * setup netdev ethtool ops with ice specific ops 4320 */ 4321 void ice_set_ethtool_ops(struct net_device *netdev) 4322 { 4323 netdev->ethtool_ops = &ice_ethtool_ops; 4324 } 4325