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_dropped.nic", stats.eth.rx_discards), 133 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 134 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 135 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 136 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 137 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), 138 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), 139 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped), 140 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts), 141 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed), 142 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded), 143 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates), 144 }; 145 146 static const u32 ice_regs_dump_list[] = { 147 PFGEN_STATE, 148 PRTGEN_STATUS, 149 QRX_CTRL(0), 150 QINT_TQCTL(0), 151 QINT_RQCTL(0), 152 PFINT_OICR_ENA, 153 QRX_ITR(0), 154 #define GLDCB_TLPM_PCI_DM 0x000A0180 155 GLDCB_TLPM_PCI_DM, 156 #define GLDCB_TLPM_TC2PFC 0x000A0194 157 GLDCB_TLPM_TC2PFC, 158 #define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4)) 159 TCDCB_TLPM_WAIT_DM(0), 160 TCDCB_TLPM_WAIT_DM(1), 161 TCDCB_TLPM_WAIT_DM(2), 162 TCDCB_TLPM_WAIT_DM(3), 163 TCDCB_TLPM_WAIT_DM(4), 164 TCDCB_TLPM_WAIT_DM(5), 165 TCDCB_TLPM_WAIT_DM(6), 166 TCDCB_TLPM_WAIT_DM(7), 167 TCDCB_TLPM_WAIT_DM(8), 168 TCDCB_TLPM_WAIT_DM(9), 169 TCDCB_TLPM_WAIT_DM(10), 170 TCDCB_TLPM_WAIT_DM(11), 171 TCDCB_TLPM_WAIT_DM(12), 172 TCDCB_TLPM_WAIT_DM(13), 173 TCDCB_TLPM_WAIT_DM(14), 174 TCDCB_TLPM_WAIT_DM(15), 175 TCDCB_TLPM_WAIT_DM(16), 176 TCDCB_TLPM_WAIT_DM(17), 177 TCDCB_TLPM_WAIT_DM(18), 178 TCDCB_TLPM_WAIT_DM(19), 179 TCDCB_TLPM_WAIT_DM(20), 180 TCDCB_TLPM_WAIT_DM(21), 181 TCDCB_TLPM_WAIT_DM(22), 182 TCDCB_TLPM_WAIT_DM(23), 183 TCDCB_TLPM_WAIT_DM(24), 184 TCDCB_TLPM_WAIT_DM(25), 185 TCDCB_TLPM_WAIT_DM(26), 186 TCDCB_TLPM_WAIT_DM(27), 187 TCDCB_TLPM_WAIT_DM(28), 188 TCDCB_TLPM_WAIT_DM(29), 189 TCDCB_TLPM_WAIT_DM(30), 190 TCDCB_TLPM_WAIT_DM(31), 191 #define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90 192 GLPCI_WATMK_CLNT_PIPEMON, 193 #define GLPCI_CUR_CLNT_COMMON 0x000BFD84 194 GLPCI_CUR_CLNT_COMMON, 195 #define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88 196 GLPCI_CUR_CLNT_PIPEMON, 197 #define GLPCI_PCIERR 0x0009DEB0 198 GLPCI_PCIERR, 199 #define GLPSM_DEBUG_CTL_STATUS 0x000B0600 200 GLPSM_DEBUG_CTL_STATUS, 201 #define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680 202 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT, 203 #define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684 204 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT, 205 #define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688 206 GLPSM0_DEBUG_DT_OUT_OF_WINDOW, 207 #define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C 208 GLPSM0_DEBUG_INTF_HW_ERROR_DETECT, 209 #define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0 210 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT, 211 #define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80 212 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT, 213 #define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84 214 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT, 215 #define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88 216 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT, 217 #define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C 218 GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT, 219 #define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90 220 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT, 221 #define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680 222 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT, 223 #define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684 224 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT, 225 #define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688 226 GLPSM2_DEBUG_MISC_HW_ERROR_DETECT, 227 #define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4)) 228 GLTDPU_TCLAN_COMP_BOB(1), 229 GLTDPU_TCLAN_COMP_BOB(2), 230 GLTDPU_TCLAN_COMP_BOB(3), 231 GLTDPU_TCLAN_COMP_BOB(4), 232 GLTDPU_TCLAN_COMP_BOB(5), 233 GLTDPU_TCLAN_COMP_BOB(6), 234 GLTDPU_TCLAN_COMP_BOB(7), 235 GLTDPU_TCLAN_COMP_BOB(8), 236 #define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4)) 237 GLTDPU_TCB_CMD_BOB(1), 238 GLTDPU_TCB_CMD_BOB(2), 239 GLTDPU_TCB_CMD_BOB(3), 240 GLTDPU_TCB_CMD_BOB(4), 241 GLTDPU_TCB_CMD_BOB(5), 242 GLTDPU_TCB_CMD_BOB(6), 243 GLTDPU_TCB_CMD_BOB(7), 244 GLTDPU_TCB_CMD_BOB(8), 245 #define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4)) 246 GLTDPU_PSM_UPDATE_BOB(1), 247 GLTDPU_PSM_UPDATE_BOB(2), 248 GLTDPU_PSM_UPDATE_BOB(3), 249 GLTDPU_PSM_UPDATE_BOB(4), 250 GLTDPU_PSM_UPDATE_BOB(5), 251 GLTDPU_PSM_UPDATE_BOB(6), 252 GLTDPU_PSM_UPDATE_BOB(7), 253 GLTDPU_PSM_UPDATE_BOB(8), 254 #define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4)) 255 GLTCB_CMD_IN_BOB(1), 256 GLTCB_CMD_IN_BOB(2), 257 GLTCB_CMD_IN_BOB(3), 258 GLTCB_CMD_IN_BOB(4), 259 GLTCB_CMD_IN_BOB(5), 260 GLTCB_CMD_IN_BOB(6), 261 GLTCB_CMD_IN_BOB(7), 262 GLTCB_CMD_IN_BOB(8), 263 #define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4)) 264 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1), 265 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2), 266 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3), 267 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4), 268 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5), 269 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6), 270 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7), 271 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8), 272 #define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4)) 273 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1), 274 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2), 275 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3), 276 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4), 277 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5), 278 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6), 279 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7), 280 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8), 281 #define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4)) 282 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1), 283 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2), 284 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3), 285 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4), 286 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5), 287 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6), 288 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7), 289 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8), 290 #define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4)) 291 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1), 292 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2), 293 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3), 294 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4), 295 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5), 296 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6), 297 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7), 298 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8), 299 #define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4)) 300 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1), 301 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2), 302 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3), 303 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4), 304 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5), 305 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6), 306 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7), 307 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8), 308 #define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4)) 309 PRTDCB_TCUPM_REG_CM(0), 310 PRTDCB_TCUPM_REG_CM(1), 311 PRTDCB_TCUPM_REG_CM(2), 312 PRTDCB_TCUPM_REG_CM(3), 313 #define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4)) 314 PRTDCB_TCUPM_REG_DM(0), 315 PRTDCB_TCUPM_REG_DM(1), 316 PRTDCB_TCUPM_REG_DM(2), 317 PRTDCB_TCUPM_REG_DM(3), 318 #define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4)) 319 PRTDCB_TLPM_REG_DM(0), 320 PRTDCB_TLPM_REG_DM(1), 321 PRTDCB_TLPM_REG_DM(2), 322 PRTDCB_TLPM_REG_DM(3), 323 }; 324 325 struct ice_priv_flag { 326 char name[ETH_GSTRING_LEN]; 327 u32 bitno; /* bit position in pf->flags */ 328 }; 329 330 #define ICE_PRIV_FLAG(_name, _bitno) { \ 331 .name = _name, \ 332 .bitno = _bitno, \ 333 } 334 335 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 336 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 337 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 338 ICE_PRIV_FLAG("vf-true-promisc-support", 339 ICE_FLAG_VF_TRUE_PROMISC_ENA), 340 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 341 ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING), 342 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), 343 }; 344 345 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 346 347 static const u32 ice_adv_lnk_speed_100[] __initconst = { 348 ETHTOOL_LINK_MODE_100baseT_Full_BIT, 349 }; 350 351 static const u32 ice_adv_lnk_speed_1000[] __initconst = { 352 ETHTOOL_LINK_MODE_1000baseX_Full_BIT, 353 ETHTOOL_LINK_MODE_1000baseT_Full_BIT, 354 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, 355 }; 356 357 static const u32 ice_adv_lnk_speed_2500[] __initconst = { 358 ETHTOOL_LINK_MODE_2500baseT_Full_BIT, 359 ETHTOOL_LINK_MODE_2500baseX_Full_BIT, 360 }; 361 362 static const u32 ice_adv_lnk_speed_5000[] __initconst = { 363 ETHTOOL_LINK_MODE_5000baseT_Full_BIT, 364 }; 365 366 static const u32 ice_adv_lnk_speed_10000[] __initconst = { 367 ETHTOOL_LINK_MODE_10000baseT_Full_BIT, 368 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, 369 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, 370 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, 371 }; 372 373 static const u32 ice_adv_lnk_speed_25000[] __initconst = { 374 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, 375 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, 376 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, 377 }; 378 379 static const u32 ice_adv_lnk_speed_40000[] __initconst = { 380 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, 381 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, 382 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, 383 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, 384 }; 385 386 static const u32 ice_adv_lnk_speed_50000[] __initconst = { 387 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, 388 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, 389 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, 390 }; 391 392 static const u32 ice_adv_lnk_speed_100000[] __initconst = { 393 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, 394 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, 395 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, 396 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, 397 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT, 398 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT, 399 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT, 400 }; 401 402 static const u32 ice_adv_lnk_speed_200000[] __initconst = { 403 ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT, 404 ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT, 405 ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT, 406 ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT, 407 ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT, 408 }; 409 410 static struct ethtool_forced_speed_map ice_adv_lnk_speed_maps[] __ro_after_init = { 411 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100), 412 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 1000), 413 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 2500), 414 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 5000), 415 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 10000), 416 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 25000), 417 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 40000), 418 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 50000), 419 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100000), 420 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 200000), 421 }; 422 423 void __init ice_adv_lnk_speed_maps_init(void) 424 { 425 ethtool_forced_speed_maps_init(ice_adv_lnk_speed_maps, 426 ARRAY_SIZE(ice_adv_lnk_speed_maps)); 427 } 428 429 static void 430 __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo, 431 struct ice_vsi *vsi) 432 { 433 struct ice_pf *pf = vsi->back; 434 struct ice_hw *hw = &pf->hw; 435 struct ice_orom_info *orom; 436 struct ice_nvm_info *nvm; 437 438 nvm = &hw->flash.nvm; 439 orom = &hw->flash.orom; 440 441 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 442 443 /* Display NVM version (from which the firmware version can be 444 * determined) which contains more pertinent information. 445 */ 446 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 447 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor, 448 nvm->eetrack, orom->major, orom->build, orom->patch); 449 450 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 451 sizeof(drvinfo->bus_info)); 452 } 453 454 static void 455 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 456 { 457 struct ice_netdev_priv *np = netdev_priv(netdev); 458 459 __ice_get_drvinfo(netdev, drvinfo, np->vsi); 460 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 461 } 462 463 static int ice_get_regs_len(struct net_device __always_unused *netdev) 464 { 465 return sizeof(ice_regs_dump_list); 466 } 467 468 static void 469 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 470 { 471 struct ice_netdev_priv *np = netdev_priv(netdev); 472 struct ice_pf *pf = np->vsi->back; 473 struct ice_hw *hw = &pf->hw; 474 u32 *regs_buf = (u32 *)p; 475 unsigned int i; 476 477 regs->version = 1; 478 479 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 480 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 481 } 482 483 static u32 ice_get_msglevel(struct net_device *netdev) 484 { 485 struct ice_netdev_priv *np = netdev_priv(netdev); 486 struct ice_pf *pf = np->vsi->back; 487 488 #ifndef CONFIG_DYNAMIC_DEBUG 489 if (pf->hw.debug_mask) 490 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 491 pf->hw.debug_mask); 492 #endif /* !CONFIG_DYNAMIC_DEBUG */ 493 494 return pf->msg_enable; 495 } 496 497 static void ice_set_msglevel(struct net_device *netdev, u32 data) 498 { 499 struct ice_netdev_priv *np = netdev_priv(netdev); 500 struct ice_pf *pf = np->vsi->back; 501 502 #ifndef CONFIG_DYNAMIC_DEBUG 503 if (ICE_DBG_USER & data) 504 pf->hw.debug_mask = data; 505 else 506 pf->msg_enable = data; 507 #else 508 pf->msg_enable = data; 509 #endif /* !CONFIG_DYNAMIC_DEBUG */ 510 } 511 512 static int ice_get_eeprom_len(struct net_device *netdev) 513 { 514 struct ice_netdev_priv *np = netdev_priv(netdev); 515 struct ice_pf *pf = np->vsi->back; 516 517 return (int)pf->hw.flash.flash_size; 518 } 519 520 static int 521 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 522 u8 *bytes) 523 { 524 struct ice_netdev_priv *np = netdev_priv(netdev); 525 struct ice_vsi *vsi = np->vsi; 526 struct ice_pf *pf = vsi->back; 527 struct ice_hw *hw = &pf->hw; 528 struct device *dev; 529 int ret; 530 u8 *buf; 531 532 dev = ice_pf_to_dev(pf); 533 534 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 535 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 536 eeprom->cmd, eeprom->offset, eeprom->len); 537 538 buf = kzalloc(eeprom->len, GFP_KERNEL); 539 if (!buf) 540 return -ENOMEM; 541 542 ret = ice_acquire_nvm(hw, ICE_RES_READ); 543 if (ret) { 544 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n", 545 ret, ice_aq_str(hw->adminq.sq_last_status)); 546 goto out; 547 } 548 549 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 550 false); 551 if (ret) { 552 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n", 553 ret, ice_aq_str(hw->adminq.sq_last_status)); 554 goto release; 555 } 556 557 memcpy(bytes, buf, eeprom->len); 558 release: 559 ice_release_nvm(hw); 560 out: 561 kfree(buf); 562 return ret; 563 } 564 565 /** 566 * ice_active_vfs - check if there are any active VFs 567 * @pf: board private structure 568 * 569 * Returns true if an active VF is found, otherwise returns false 570 */ 571 static bool ice_active_vfs(struct ice_pf *pf) 572 { 573 bool active = false; 574 struct ice_vf *vf; 575 unsigned int bkt; 576 577 rcu_read_lock(); 578 ice_for_each_vf_rcu(pf, bkt, vf) { 579 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 580 active = true; 581 break; 582 } 583 } 584 rcu_read_unlock(); 585 586 return active; 587 } 588 589 /** 590 * ice_link_test - perform a link test on a given net_device 591 * @netdev: network interface device structure 592 * 593 * This function performs one of the self-tests required by ethtool. 594 * Returns 0 on success, non-zero on failure. 595 */ 596 static u64 ice_link_test(struct net_device *netdev) 597 { 598 struct ice_netdev_priv *np = netdev_priv(netdev); 599 bool link_up = false; 600 int status; 601 602 netdev_info(netdev, "link test\n"); 603 status = ice_get_link_status(np->vsi->port_info, &link_up); 604 if (status) { 605 netdev_err(netdev, "link query error, status = %d\n", 606 status); 607 return 1; 608 } 609 610 if (!link_up) 611 return 2; 612 613 return 0; 614 } 615 616 /** 617 * ice_eeprom_test - perform an EEPROM test on a given net_device 618 * @netdev: network interface device structure 619 * 620 * This function performs one of the self-tests required by ethtool. 621 * Returns 0 on success, non-zero on failure. 622 */ 623 static u64 ice_eeprom_test(struct net_device *netdev) 624 { 625 struct ice_netdev_priv *np = netdev_priv(netdev); 626 struct ice_pf *pf = np->vsi->back; 627 628 netdev_info(netdev, "EEPROM test\n"); 629 return !!(ice_nvm_validate_checksum(&pf->hw)); 630 } 631 632 /** 633 * ice_reg_pattern_test 634 * @hw: pointer to the HW struct 635 * @reg: reg to be tested 636 * @mask: bits to be touched 637 */ 638 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 639 { 640 struct ice_pf *pf = (struct ice_pf *)hw->back; 641 struct device *dev = ice_pf_to_dev(pf); 642 static const u32 patterns[] = { 643 0x5A5A5A5A, 0xA5A5A5A5, 644 0x00000000, 0xFFFFFFFF 645 }; 646 u32 val, orig_val; 647 unsigned int i; 648 649 orig_val = rd32(hw, reg); 650 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 651 u32 pattern = patterns[i] & mask; 652 653 wr32(hw, reg, pattern); 654 val = rd32(hw, reg); 655 if (val == pattern) 656 continue; 657 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 658 , __func__, reg, pattern, val); 659 return 1; 660 } 661 662 wr32(hw, reg, orig_val); 663 val = rd32(hw, reg); 664 if (val != orig_val) { 665 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 666 , __func__, reg, orig_val, val); 667 return 1; 668 } 669 670 return 0; 671 } 672 673 /** 674 * ice_reg_test - perform a register test on a given net_device 675 * @netdev: network interface device structure 676 * 677 * This function performs one of the self-tests required by ethtool. 678 * Returns 0 on success, non-zero on failure. 679 */ 680 static u64 ice_reg_test(struct net_device *netdev) 681 { 682 struct ice_netdev_priv *np = netdev_priv(netdev); 683 struct ice_hw *hw = np->vsi->port_info->hw; 684 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 685 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 686 struct ice_diag_reg_test_info { 687 u32 address; 688 u32 mask; 689 u32 elem_num; 690 u32 elem_size; 691 } ice_reg_list[] = { 692 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 693 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 694 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 695 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 696 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 697 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 698 {GLINT_CTL, 0xffff0001, 1, 0} 699 }; 700 unsigned int i; 701 702 netdev_dbg(netdev, "Register test\n"); 703 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 704 u32 j; 705 706 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 707 u32 mask = ice_reg_list[i].mask; 708 u32 reg = ice_reg_list[i].address + 709 (j * ice_reg_list[i].elem_size); 710 711 /* bail on failure (non-zero return) */ 712 if (ice_reg_pattern_test(hw, reg, mask)) 713 return 1; 714 } 715 } 716 717 return 0; 718 } 719 720 /** 721 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 722 * @vsi: pointer to the VSI structure 723 * 724 * Function configures rings of a VSI for loopback test without 725 * enabling interrupts or informing the kernel about new queues. 726 * 727 * Returns 0 on success, negative on failure. 728 */ 729 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 730 { 731 int status; 732 733 status = ice_vsi_setup_tx_rings(vsi); 734 if (status) 735 goto err_setup_tx_ring; 736 737 status = ice_vsi_setup_rx_rings(vsi); 738 if (status) 739 goto err_setup_rx_ring; 740 741 status = ice_vsi_cfg_lan(vsi); 742 if (status) 743 goto err_setup_rx_ring; 744 745 status = ice_vsi_start_all_rx_rings(vsi); 746 if (status) 747 goto err_start_rx_ring; 748 749 return 0; 750 751 err_start_rx_ring: 752 ice_vsi_free_rx_rings(vsi); 753 err_setup_rx_ring: 754 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 755 err_setup_tx_ring: 756 ice_vsi_free_tx_rings(vsi); 757 758 return status; 759 } 760 761 /** 762 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 763 * @vsi: pointer to the VSI structure 764 * 765 * Function stops and frees VSI rings after a loopback test. 766 * Returns 0 on success, negative on failure. 767 */ 768 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 769 { 770 int status; 771 772 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 773 if (status) 774 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 775 vsi->vsi_num, status); 776 777 status = ice_vsi_stop_all_rx_rings(vsi); 778 if (status) 779 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 780 vsi->vsi_num, status); 781 782 ice_vsi_free_tx_rings(vsi); 783 ice_vsi_free_rx_rings(vsi); 784 785 return status; 786 } 787 788 /** 789 * ice_lbtest_create_frame - create test packet 790 * @pf: pointer to the PF structure 791 * @ret_data: allocated frame buffer 792 * @size: size of the packet data 793 * 794 * Function allocates a frame with a test pattern on specific offsets. 795 * Returns 0 on success, non-zero on failure. 796 */ 797 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 798 { 799 u8 *data; 800 801 if (!pf) 802 return -EINVAL; 803 804 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); 805 if (!data) 806 return -ENOMEM; 807 808 /* Since the ethernet test frame should always be at least 809 * 64 bytes long, fill some octets in the payload with test data. 810 */ 811 memset(data, 0xFF, size); 812 data[32] = 0xDE; 813 data[42] = 0xAD; 814 data[44] = 0xBE; 815 data[46] = 0xEF; 816 817 *ret_data = data; 818 819 return 0; 820 } 821 822 /** 823 * ice_lbtest_check_frame - verify received loopback frame 824 * @frame: pointer to the raw packet data 825 * 826 * Function verifies received test frame with a pattern. 827 * Returns true if frame matches the pattern, false otherwise. 828 */ 829 static bool ice_lbtest_check_frame(u8 *frame) 830 { 831 /* Validate bytes of a frame under offsets chosen earlier */ 832 if (frame[32] == 0xDE && 833 frame[42] == 0xAD && 834 frame[44] == 0xBE && 835 frame[46] == 0xEF && 836 frame[48] == 0xFF) 837 return true; 838 839 return false; 840 } 841 842 /** 843 * ice_diag_send - send test frames to the test ring 844 * @tx_ring: pointer to the transmit ring 845 * @data: pointer to the raw packet data 846 * @size: size of the packet to send 847 * 848 * Function sends loopback packets on a test Tx ring. 849 */ 850 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size) 851 { 852 struct ice_tx_desc *tx_desc; 853 struct ice_tx_buf *tx_buf; 854 dma_addr_t dma; 855 u64 td_cmd; 856 857 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 858 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 859 860 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 861 if (dma_mapping_error(tx_ring->dev, dma)) 862 return -EINVAL; 863 864 tx_desc->buf_addr = cpu_to_le64(dma); 865 866 /* These flags are required for a descriptor to be pushed out */ 867 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 868 tx_desc->cmd_type_offset_bsz = 869 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 870 (td_cmd << ICE_TXD_QW1_CMD_S) | 871 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 872 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 873 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 874 875 tx_buf->next_to_watch = tx_desc; 876 877 /* Force memory write to complete before letting h/w know 878 * there are new descriptors to fetch. 879 */ 880 wmb(); 881 882 tx_ring->next_to_use++; 883 if (tx_ring->next_to_use >= tx_ring->count) 884 tx_ring->next_to_use = 0; 885 886 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 887 888 /* Wait until the packets get transmitted to the receive queue. */ 889 usleep_range(1000, 2000); 890 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 891 892 return 0; 893 } 894 895 #define ICE_LB_FRAME_SIZE 64 896 /** 897 * ice_lbtest_receive_frames - receive and verify test frames 898 * @rx_ring: pointer to the receive ring 899 * 900 * Function receives loopback packets and verify their correctness. 901 * Returns number of received valid frames. 902 */ 903 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring) 904 { 905 struct ice_rx_buf *rx_buf; 906 int valid_frames, i; 907 u8 *received_buf; 908 909 valid_frames = 0; 910 911 for (i = 0; i < rx_ring->count; i++) { 912 union ice_32b_rx_flex_desc *rx_desc; 913 914 rx_desc = ICE_RX_DESC(rx_ring, i); 915 916 if (!(rx_desc->wb.status_error0 & 917 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) | 918 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S))))) 919 continue; 920 921 rx_buf = &rx_ring->rx_buf[i]; 922 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 923 924 if (ice_lbtest_check_frame(received_buf)) 925 valid_frames++; 926 } 927 928 return valid_frames; 929 } 930 931 /** 932 * ice_loopback_test - perform a loopback test on a given net_device 933 * @netdev: network interface device structure 934 * 935 * This function performs one of the self-tests required by ethtool. 936 * Returns 0 on success, non-zero on failure. 937 */ 938 static u64 ice_loopback_test(struct net_device *netdev) 939 { 940 struct ice_netdev_priv *np = netdev_priv(netdev); 941 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 942 struct ice_pf *pf = orig_vsi->back; 943 u8 broadcast[ETH_ALEN], ret = 0; 944 int num_frames, valid_frames; 945 struct ice_tx_ring *tx_ring; 946 struct ice_rx_ring *rx_ring; 947 struct device *dev; 948 u8 *tx_frame; 949 int i; 950 951 dev = ice_pf_to_dev(pf); 952 netdev_info(netdev, "loopback test\n"); 953 954 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 955 if (!test_vsi) { 956 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 957 return 1; 958 } 959 960 test_vsi->netdev = netdev; 961 tx_ring = test_vsi->tx_rings[0]; 962 rx_ring = test_vsi->rx_rings[0]; 963 964 if (ice_lbtest_prepare_rings(test_vsi)) { 965 ret = 2; 966 goto lbtest_vsi_close; 967 } 968 969 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 970 ret = 3; 971 goto lbtest_rings_dis; 972 } 973 974 /* Enable MAC loopback in firmware */ 975 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 976 ret = 4; 977 goto lbtest_mac_dis; 978 } 979 980 /* Test VSI needs to receive broadcast packets */ 981 eth_broadcast_addr(broadcast); 982 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 983 ret = 5; 984 goto lbtest_mac_dis; 985 } 986 987 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 988 ret = 7; 989 goto remove_mac_filters; 990 } 991 992 num_frames = min_t(int, tx_ring->count, 32); 993 for (i = 0; i < num_frames; i++) { 994 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 995 ret = 8; 996 goto lbtest_free_frame; 997 } 998 } 999 1000 valid_frames = ice_lbtest_receive_frames(rx_ring); 1001 if (!valid_frames) 1002 ret = 9; 1003 else if (valid_frames != num_frames) 1004 ret = 10; 1005 1006 lbtest_free_frame: 1007 devm_kfree(dev, tx_frame); 1008 remove_mac_filters: 1009 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 1010 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 1011 lbtest_mac_dis: 1012 /* Disable MAC loopback after the test is completed. */ 1013 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 1014 netdev_err(netdev, "Could not disable MAC loopback\n"); 1015 lbtest_rings_dis: 1016 if (ice_lbtest_disable_rings(test_vsi)) 1017 netdev_err(netdev, "Could not disable test rings\n"); 1018 lbtest_vsi_close: 1019 test_vsi->netdev = NULL; 1020 if (ice_vsi_release(test_vsi)) 1021 netdev_err(netdev, "Failed to remove the test VSI\n"); 1022 1023 return ret; 1024 } 1025 1026 /** 1027 * ice_intr_test - perform an interrupt test on a given net_device 1028 * @netdev: network interface device structure 1029 * 1030 * This function performs one of the self-tests required by ethtool. 1031 * Returns 0 on success, non-zero on failure. 1032 */ 1033 static u64 ice_intr_test(struct net_device *netdev) 1034 { 1035 struct ice_netdev_priv *np = netdev_priv(netdev); 1036 struct ice_pf *pf = np->vsi->back; 1037 u16 swic_old = pf->sw_int_count; 1038 1039 netdev_info(netdev, "interrupt test\n"); 1040 1041 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index), 1042 GLINT_DYN_CTL_SW_ITR_INDX_M | 1043 GLINT_DYN_CTL_INTENA_MSK_M | 1044 GLINT_DYN_CTL_SWINT_TRIG_M); 1045 1046 usleep_range(1000, 2000); 1047 return (swic_old == pf->sw_int_count); 1048 } 1049 1050 /** 1051 * ice_self_test - handler function for performing a self-test by ethtool 1052 * @netdev: network interface device structure 1053 * @eth_test: ethtool_test structure 1054 * @data: required by ethtool.self_test 1055 * 1056 * This function is called after invoking 'ethtool -t devname' command where 1057 * devname is the name of the network device on which ethtool should operate. 1058 * It performs a set of self-tests to check if a device works properly. 1059 */ 1060 static void 1061 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 1062 u64 *data) 1063 { 1064 struct ice_netdev_priv *np = netdev_priv(netdev); 1065 bool if_running = netif_running(netdev); 1066 struct ice_pf *pf = np->vsi->back; 1067 struct device *dev; 1068 1069 dev = ice_pf_to_dev(pf); 1070 1071 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1072 netdev_info(netdev, "offline testing starting\n"); 1073 1074 set_bit(ICE_TESTING, pf->state); 1075 1076 if (ice_active_vfs(pf)) { 1077 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 1078 data[ICE_ETH_TEST_REG] = 1; 1079 data[ICE_ETH_TEST_EEPROM] = 1; 1080 data[ICE_ETH_TEST_INTR] = 1; 1081 data[ICE_ETH_TEST_LOOP] = 1; 1082 data[ICE_ETH_TEST_LINK] = 1; 1083 eth_test->flags |= ETH_TEST_FL_FAILED; 1084 clear_bit(ICE_TESTING, pf->state); 1085 goto skip_ol_tests; 1086 } 1087 /* If the device is online then take it offline */ 1088 if (if_running) 1089 /* indicate we're in test mode */ 1090 ice_stop(netdev); 1091 1092 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1093 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 1094 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 1095 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 1096 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 1097 1098 if (data[ICE_ETH_TEST_LINK] || 1099 data[ICE_ETH_TEST_EEPROM] || 1100 data[ICE_ETH_TEST_LOOP] || 1101 data[ICE_ETH_TEST_INTR] || 1102 data[ICE_ETH_TEST_REG]) 1103 eth_test->flags |= ETH_TEST_FL_FAILED; 1104 1105 clear_bit(ICE_TESTING, pf->state); 1106 1107 if (if_running) { 1108 int status = ice_open(netdev); 1109 1110 if (status) { 1111 dev_err(dev, "Could not open device %s, err %d\n", 1112 pf->int_name, status); 1113 } 1114 } 1115 } else { 1116 /* Online tests */ 1117 netdev_info(netdev, "online testing starting\n"); 1118 1119 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1120 if (data[ICE_ETH_TEST_LINK]) 1121 eth_test->flags |= ETH_TEST_FL_FAILED; 1122 1123 /* Offline only tests, not run in online; pass by default */ 1124 data[ICE_ETH_TEST_REG] = 0; 1125 data[ICE_ETH_TEST_EEPROM] = 0; 1126 data[ICE_ETH_TEST_INTR] = 0; 1127 data[ICE_ETH_TEST_LOOP] = 0; 1128 } 1129 1130 skip_ol_tests: 1131 netdev_info(netdev, "testing finished\n"); 1132 } 1133 1134 static void 1135 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data, 1136 struct ice_vsi *vsi) 1137 { 1138 unsigned int i; 1139 u8 *p = data; 1140 1141 switch (stringset) { 1142 case ETH_SS_STATS: 1143 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 1144 ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string); 1145 1146 if (ice_is_port_repr_netdev(netdev)) 1147 return; 1148 1149 ice_for_each_alloc_txq(vsi, i) { 1150 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 1151 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 1152 } 1153 1154 ice_for_each_alloc_rxq(vsi, i) { 1155 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 1156 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 1157 } 1158 1159 if (vsi->type != ICE_VSI_PF) 1160 return; 1161 1162 for (i = 0; i < ICE_PF_STATS_LEN; i++) 1163 ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string); 1164 1165 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1166 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 1167 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 1168 } 1169 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1170 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 1171 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 1172 } 1173 break; 1174 case ETH_SS_TEST: 1175 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 1176 break; 1177 case ETH_SS_PRIV_FLAGS: 1178 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 1179 ethtool_puts(&p, ice_gstrings_priv_flags[i].name); 1180 break; 1181 default: 1182 break; 1183 } 1184 } 1185 1186 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 1187 { 1188 struct ice_netdev_priv *np = netdev_priv(netdev); 1189 1190 __ice_get_strings(netdev, stringset, data, np->vsi); 1191 } 1192 1193 static int 1194 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 1195 { 1196 struct ice_netdev_priv *np = netdev_priv(netdev); 1197 bool led_active; 1198 1199 switch (state) { 1200 case ETHTOOL_ID_ACTIVE: 1201 led_active = true; 1202 break; 1203 case ETHTOOL_ID_INACTIVE: 1204 led_active = false; 1205 break; 1206 default: 1207 return -EINVAL; 1208 } 1209 1210 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 1211 return -EIO; 1212 1213 return 0; 1214 } 1215 1216 /** 1217 * ice_set_fec_cfg - Set link FEC options 1218 * @netdev: network interface device structure 1219 * @req_fec: FEC mode to configure 1220 */ 1221 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 1222 { 1223 struct ice_netdev_priv *np = netdev_priv(netdev); 1224 struct ice_aqc_set_phy_cfg_data config = { 0 }; 1225 struct ice_vsi *vsi = np->vsi; 1226 struct ice_port_info *pi; 1227 1228 pi = vsi->port_info; 1229 if (!pi) 1230 return -EOPNOTSUPP; 1231 1232 /* Changing the FEC parameters is not supported if not the PF VSI */ 1233 if (vsi->type != ICE_VSI_PF) { 1234 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 1235 return -EOPNOTSUPP; 1236 } 1237 1238 /* Proceed only if requesting different FEC mode */ 1239 if (pi->phy.curr_user_fec_req == req_fec) 1240 return 0; 1241 1242 /* Copy the current user PHY configuration. The current user PHY 1243 * configuration is initialized during probe from PHY capabilities 1244 * software mode, and updated on set PHY configuration. 1245 */ 1246 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 1247 1248 ice_cfg_phy_fec(pi, &config, req_fec); 1249 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1250 1251 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1252 return -EAGAIN; 1253 1254 /* Save requested FEC config */ 1255 pi->phy.curr_user_fec_req = req_fec; 1256 1257 return 0; 1258 } 1259 1260 /** 1261 * ice_set_fecparam - Set FEC link options 1262 * @netdev: network interface device structure 1263 * @fecparam: Ethtool structure to retrieve FEC parameters 1264 */ 1265 static int 1266 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1267 { 1268 struct ice_netdev_priv *np = netdev_priv(netdev); 1269 struct ice_vsi *vsi = np->vsi; 1270 enum ice_fec_mode fec; 1271 1272 switch (fecparam->fec) { 1273 case ETHTOOL_FEC_AUTO: 1274 fec = ICE_FEC_AUTO; 1275 break; 1276 case ETHTOOL_FEC_RS: 1277 fec = ICE_FEC_RS; 1278 break; 1279 case ETHTOOL_FEC_BASER: 1280 fec = ICE_FEC_BASER; 1281 break; 1282 case ETHTOOL_FEC_OFF: 1283 case ETHTOOL_FEC_NONE: 1284 fec = ICE_FEC_NONE; 1285 break; 1286 default: 1287 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1288 fecparam->fec); 1289 return -EINVAL; 1290 } 1291 1292 return ice_set_fec_cfg(netdev, fec); 1293 } 1294 1295 /** 1296 * ice_get_fecparam - Get link FEC options 1297 * @netdev: network interface device structure 1298 * @fecparam: Ethtool structure to retrieve FEC parameters 1299 */ 1300 static int 1301 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1302 { 1303 struct ice_netdev_priv *np = netdev_priv(netdev); 1304 struct ice_aqc_get_phy_caps_data *caps; 1305 struct ice_link_status *link_info; 1306 struct ice_vsi *vsi = np->vsi; 1307 struct ice_port_info *pi; 1308 int err; 1309 1310 pi = vsi->port_info; 1311 1312 if (!pi) 1313 return -EOPNOTSUPP; 1314 link_info = &pi->phy.link_info; 1315 1316 /* Set FEC mode based on negotiated link info */ 1317 switch (link_info->fec_info) { 1318 case ICE_AQ_LINK_25G_KR_FEC_EN: 1319 fecparam->active_fec = ETHTOOL_FEC_BASER; 1320 break; 1321 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1322 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1323 fecparam->active_fec = ETHTOOL_FEC_RS; 1324 break; 1325 default: 1326 fecparam->active_fec = ETHTOOL_FEC_OFF; 1327 break; 1328 } 1329 1330 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1331 if (!caps) 1332 return -ENOMEM; 1333 1334 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1335 caps, NULL); 1336 if (err) 1337 goto done; 1338 1339 /* Set supported/configured FEC modes based on PHY capability */ 1340 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1341 fecparam->fec |= ETHTOOL_FEC_AUTO; 1342 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1343 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1344 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1345 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1346 fecparam->fec |= ETHTOOL_FEC_BASER; 1347 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1348 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1349 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1350 fecparam->fec |= ETHTOOL_FEC_RS; 1351 if (caps->link_fec_options == 0) 1352 fecparam->fec |= ETHTOOL_FEC_OFF; 1353 1354 done: 1355 kfree(caps); 1356 return err; 1357 } 1358 1359 /** 1360 * ice_nway_reset - restart autonegotiation 1361 * @netdev: network interface device structure 1362 */ 1363 static int ice_nway_reset(struct net_device *netdev) 1364 { 1365 struct ice_netdev_priv *np = netdev_priv(netdev); 1366 struct ice_vsi *vsi = np->vsi; 1367 int err; 1368 1369 /* If VSI state is up, then restart autoneg with link up */ 1370 if (!test_bit(ICE_DOWN, vsi->back->state)) 1371 err = ice_set_link(vsi, true); 1372 else 1373 err = ice_set_link(vsi, false); 1374 1375 return err; 1376 } 1377 1378 /** 1379 * ice_get_priv_flags - report device private flags 1380 * @netdev: network interface device structure 1381 * 1382 * The get string set count and the string set should be matched for each 1383 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1384 * array. 1385 * 1386 * Returns a u32 bitmap of flags. 1387 */ 1388 static u32 ice_get_priv_flags(struct net_device *netdev) 1389 { 1390 struct ice_netdev_priv *np = netdev_priv(netdev); 1391 struct ice_vsi *vsi = np->vsi; 1392 struct ice_pf *pf = vsi->back; 1393 u32 i, ret_flags = 0; 1394 1395 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1396 const struct ice_priv_flag *priv_flag; 1397 1398 priv_flag = &ice_gstrings_priv_flags[i]; 1399 1400 if (test_bit(priv_flag->bitno, pf->flags)) 1401 ret_flags |= BIT(i); 1402 } 1403 1404 return ret_flags; 1405 } 1406 1407 /** 1408 * ice_set_priv_flags - set private flags 1409 * @netdev: network interface device structure 1410 * @flags: bit flags to be set 1411 */ 1412 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1413 { 1414 struct ice_netdev_priv *np = netdev_priv(netdev); 1415 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1416 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1417 struct ice_vsi *vsi = np->vsi; 1418 struct ice_pf *pf = vsi->back; 1419 struct device *dev; 1420 int ret = 0; 1421 u32 i; 1422 1423 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1424 return -EINVAL; 1425 1426 dev = ice_pf_to_dev(pf); 1427 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1428 1429 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1430 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1431 const struct ice_priv_flag *priv_flag; 1432 1433 priv_flag = &ice_gstrings_priv_flags[i]; 1434 1435 if (flags & BIT(i)) 1436 set_bit(priv_flag->bitno, pf->flags); 1437 else 1438 clear_bit(priv_flag->bitno, pf->flags); 1439 } 1440 1441 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1442 1443 /* Do not allow change to link-down-on-close when Total Port Shutdown 1444 * is enabled. 1445 */ 1446 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1447 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1448 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1449 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1450 ret = -EINVAL; 1451 goto ethtool_exit; 1452 } 1453 1454 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1455 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1456 int status; 1457 1458 /* Disable FW LLDP engine */ 1459 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1460 1461 /* If unregistering for LLDP events fails, this is 1462 * not an error state, as there shouldn't be any 1463 * events to respond to. 1464 */ 1465 if (status) 1466 dev_info(dev, "Failed to unreg for LLDP events\n"); 1467 1468 /* The AQ call to stop the FW LLDP agent will generate 1469 * an error if the agent is already stopped. 1470 */ 1471 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1472 if (status) 1473 dev_warn(dev, "Fail to stop LLDP agent\n"); 1474 /* Use case for having the FW LLDP agent stopped 1475 * will likely not need DCB, so failure to init is 1476 * not a concern of ethtool 1477 */ 1478 status = ice_init_pf_dcb(pf, true); 1479 if (status) 1480 dev_warn(dev, "Fail to init DCB\n"); 1481 1482 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1483 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1484 } else { 1485 bool dcbx_agent_status; 1486 int status; 1487 1488 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { 1489 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); 1490 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); 1491 ret = -EOPNOTSUPP; 1492 goto ethtool_exit; 1493 } 1494 1495 /* Remove rule to direct LLDP packets to default VSI. 1496 * The FW LLDP engine will now be consuming them. 1497 */ 1498 ice_cfg_sw_lldp(vsi, false, false); 1499 1500 /* AQ command to start FW LLDP agent will return an 1501 * error if the agent is already started 1502 */ 1503 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1504 if (status) 1505 dev_warn(dev, "Fail to start LLDP Agent\n"); 1506 1507 /* AQ command to start FW DCBX agent will fail if 1508 * the agent is already started 1509 */ 1510 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1511 &dcbx_agent_status, 1512 NULL); 1513 if (status) 1514 dev_dbg(dev, "Failed to start FW DCBX\n"); 1515 1516 dev_info(dev, "FW DCBX agent is %s\n", 1517 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1518 1519 /* Failure to configure MIB change or init DCB is not 1520 * relevant to ethtool. Print notification that 1521 * registration/init failed but do not return error 1522 * state to ethtool 1523 */ 1524 status = ice_init_pf_dcb(pf, true); 1525 if (status) 1526 dev_dbg(dev, "Fail to init DCB\n"); 1527 1528 /* Register for MIB change events */ 1529 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1530 if (status) 1531 dev_dbg(dev, "Fail to enable MIB change events\n"); 1532 1533 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1534 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1535 1536 ice_nway_reset(netdev); 1537 } 1538 } 1539 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1540 /* down and up VSI so that changes of Rx cfg are reflected. */ 1541 ice_down_up(vsi); 1542 } 1543 /* don't allow modification of this flag when a single VF is in 1544 * promiscuous mode because it's not supported 1545 */ 1546 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1547 ice_is_any_vf_in_unicast_promisc(pf)) { 1548 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1549 /* toggle bit back to previous state */ 1550 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1551 ret = -EAGAIN; 1552 } 1553 1554 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) && 1555 ice_has_vfs(pf)) { 1556 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n"); 1557 /* toggle bit back to previous state */ 1558 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags); 1559 ret = -EOPNOTSUPP; 1560 } 1561 ethtool_exit: 1562 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1563 return ret; 1564 } 1565 1566 static int ice_get_sset_count(struct net_device *netdev, int sset) 1567 { 1568 switch (sset) { 1569 case ETH_SS_STATS: 1570 /* The number (and order) of strings reported *must* remain 1571 * constant for a given netdevice. This function must not 1572 * report a different number based on run time parameters 1573 * (such as the number of queues in use, or the setting of 1574 * a private ethtool flag). This is due to the nature of the 1575 * ethtool stats API. 1576 * 1577 * Userspace programs such as ethtool must make 3 separate 1578 * ioctl requests, one for size, one for the strings, and 1579 * finally one for the stats. Since these cross into 1580 * userspace, changes to the number or size could result in 1581 * undefined memory access or incorrect string<->value 1582 * correlations for statistics. 1583 * 1584 * Even if it appears to be safe, changes to the size or 1585 * order of strings will suffer from race conditions and are 1586 * not safe. 1587 */ 1588 return ICE_ALL_STATS_LEN(netdev); 1589 case ETH_SS_TEST: 1590 return ICE_TEST_LEN; 1591 case ETH_SS_PRIV_FLAGS: 1592 return ICE_PRIV_FLAG_ARRAY_SIZE; 1593 default: 1594 return -EOPNOTSUPP; 1595 } 1596 } 1597 1598 static void 1599 __ice_get_ethtool_stats(struct net_device *netdev, 1600 struct ethtool_stats __always_unused *stats, u64 *data, 1601 struct ice_vsi *vsi) 1602 { 1603 struct ice_pf *pf = vsi->back; 1604 struct ice_tx_ring *tx_ring; 1605 struct ice_rx_ring *rx_ring; 1606 unsigned int j; 1607 int i = 0; 1608 char *p; 1609 1610 ice_update_pf_stats(pf); 1611 ice_update_vsi_stats(vsi); 1612 1613 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1614 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1615 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1616 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1617 } 1618 1619 if (ice_is_port_repr_netdev(netdev)) 1620 return; 1621 1622 /* populate per queue stats */ 1623 rcu_read_lock(); 1624 1625 ice_for_each_alloc_txq(vsi, j) { 1626 tx_ring = READ_ONCE(vsi->tx_rings[j]); 1627 if (tx_ring && tx_ring->ring_stats) { 1628 data[i++] = tx_ring->ring_stats->stats.pkts; 1629 data[i++] = tx_ring->ring_stats->stats.bytes; 1630 } else { 1631 data[i++] = 0; 1632 data[i++] = 0; 1633 } 1634 } 1635 1636 ice_for_each_alloc_rxq(vsi, j) { 1637 rx_ring = READ_ONCE(vsi->rx_rings[j]); 1638 if (rx_ring && rx_ring->ring_stats) { 1639 data[i++] = rx_ring->ring_stats->stats.pkts; 1640 data[i++] = rx_ring->ring_stats->stats.bytes; 1641 } else { 1642 data[i++] = 0; 1643 data[i++] = 0; 1644 } 1645 } 1646 1647 rcu_read_unlock(); 1648 1649 if (vsi->type != ICE_VSI_PF) 1650 return; 1651 1652 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1653 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1654 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1655 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1656 } 1657 1658 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1659 data[i++] = pf->stats.priority_xon_tx[j]; 1660 data[i++] = pf->stats.priority_xoff_tx[j]; 1661 } 1662 1663 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1664 data[i++] = pf->stats.priority_xon_rx[j]; 1665 data[i++] = pf->stats.priority_xoff_rx[j]; 1666 } 1667 } 1668 1669 static void 1670 ice_get_ethtool_stats(struct net_device *netdev, 1671 struct ethtool_stats __always_unused *stats, u64 *data) 1672 { 1673 struct ice_netdev_priv *np = netdev_priv(netdev); 1674 1675 __ice_get_ethtool_stats(netdev, stats, data, np->vsi); 1676 } 1677 1678 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1679 ICE_PHY_TYPE_LOW_100M_SGMII) 1680 1681 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1682 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1683 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1684 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1685 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1686 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1687 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1688 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1689 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1690 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1691 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1692 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1693 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1694 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1695 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1696 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1697 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1698 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1699 1700 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1701 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1702 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1703 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1704 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1705 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1706 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1707 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1708 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1709 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1710 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1711 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1712 ICE_PHY_TYPE_LOW_100GBASE_DR) 1713 1714 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1715 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1716 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1717 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1718 ICE_PHY_TYPE_HIGH_100G_AUI2) 1719 1720 #define ICE_PHY_TYPE_HIGH_MASK_200G (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \ 1721 ICE_PHY_TYPE_HIGH_200G_SR4 | \ 1722 ICE_PHY_TYPE_HIGH_200G_FR4 | \ 1723 ICE_PHY_TYPE_HIGH_200G_LR4 | \ 1724 ICE_PHY_TYPE_HIGH_200G_DR4 | \ 1725 ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \ 1726 ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \ 1727 ICE_PHY_TYPE_HIGH_200G_AUI4) 1728 1729 /** 1730 * ice_mask_min_supported_speeds 1731 * @hw: pointer to the HW structure 1732 * @phy_types_high: PHY type high 1733 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1734 * 1735 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1736 * for ethtool supported link mode. 1737 */ 1738 static void 1739 ice_mask_min_supported_speeds(struct ice_hw *hw, 1740 u64 phy_types_high, u64 *phy_types_low) 1741 { 1742 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1743 if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) || 1744 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) || 1745 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G)) 1746 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1747 else if (!ice_is_100m_speed_supported(hw)) 1748 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1749 } 1750 1751 /** 1752 * ice_linkmode_set_bit - set link mode bit 1753 * @phy_to_ethtool: PHY type to ethtool link mode struct to set 1754 * @ks: ethtool link ksettings struct to fill out 1755 * @req_speeds: speed requested by user 1756 * @advert_phy_type: advertised PHY type 1757 * @phy_type: PHY type 1758 */ 1759 static void 1760 ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool, 1761 struct ethtool_link_ksettings *ks, u32 req_speeds, 1762 u64 advert_phy_type, u32 phy_type) 1763 { 1764 linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported); 1765 1766 if (req_speeds & phy_to_ethtool->aq_link_speed || 1767 (!req_speeds && advert_phy_type & BIT(phy_type))) 1768 linkmode_set_bit(phy_to_ethtool->link_mode, 1769 ks->link_modes.advertising); 1770 } 1771 1772 /** 1773 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1774 * @netdev: network interface device structure 1775 * @ks: ethtool link ksettings struct to fill out 1776 */ 1777 static void 1778 ice_phy_type_to_ethtool(struct net_device *netdev, 1779 struct ethtool_link_ksettings *ks) 1780 { 1781 struct ice_netdev_priv *np = netdev_priv(netdev); 1782 struct ice_vsi *vsi = np->vsi; 1783 struct ice_pf *pf = vsi->back; 1784 u64 advert_phy_type_lo = 0; 1785 u64 advert_phy_type_hi = 0; 1786 u64 phy_types_high = 0; 1787 u64 phy_types_low = 0; 1788 u32 req_speeds; 1789 u32 i; 1790 1791 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1792 1793 /* Check if lenient mode is supported and enabled, or in strict mode. 1794 * 1795 * In lenient mode the Supported link modes are the PHY types without 1796 * media. The Advertising link mode is either 1. the user requested 1797 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1798 * 1799 * In strict mode Supported link mode are the PHY type with media, 1800 * and Advertising link modes are the media PHY type or the speed 1801 * requested by user. 1802 */ 1803 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1804 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1805 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1806 1807 ice_mask_min_supported_speeds(&pf->hw, phy_types_high, 1808 &phy_types_low); 1809 /* determine advertised modes based on link override only 1810 * if it's supported and if the FW doesn't abstract the 1811 * driver from having to account for link overrides 1812 */ 1813 if (ice_fw_supports_link_override(&pf->hw) && 1814 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 1815 struct ice_link_default_override_tlv *ldo; 1816 1817 ldo = &pf->link_dflt_override; 1818 /* If override enabled and PHY mask set, then 1819 * Advertising link mode is the intersection of the PHY 1820 * types without media and the override PHY mask. 1821 */ 1822 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1823 (ldo->phy_type_low || ldo->phy_type_high)) { 1824 advert_phy_type_lo = 1825 le64_to_cpu(pf->nvm_phy_type_lo) & 1826 ldo->phy_type_low; 1827 advert_phy_type_hi = 1828 le64_to_cpu(pf->nvm_phy_type_hi) & 1829 ldo->phy_type_high; 1830 } 1831 } 1832 } else { 1833 /* strict mode */ 1834 phy_types_low = vsi->port_info->phy.phy_type_low; 1835 phy_types_high = vsi->port_info->phy.phy_type_high; 1836 } 1837 1838 /* If Advertising link mode PHY type is not using override PHY type, 1839 * then use PHY type with media. 1840 */ 1841 if (!advert_phy_type_lo && !advert_phy_type_hi) { 1842 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 1843 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 1844 } 1845 1846 linkmode_zero(ks->link_modes.supported); 1847 linkmode_zero(ks->link_modes.advertising); 1848 1849 for (i = 0; i < ARRAY_SIZE(phy_type_low_lkup); i++) { 1850 if (phy_types_low & BIT_ULL(i)) 1851 ice_linkmode_set_bit(&phy_type_low_lkup[i], ks, 1852 req_speeds, advert_phy_type_lo, 1853 i); 1854 } 1855 1856 for (i = 0; i < ARRAY_SIZE(phy_type_high_lkup); i++) { 1857 if (phy_types_high & BIT_ULL(i)) 1858 ice_linkmode_set_bit(&phy_type_high_lkup[i], ks, 1859 req_speeds, advert_phy_type_hi, 1860 i); 1861 } 1862 } 1863 1864 #define TEST_SET_BITS_TIMEOUT 50 1865 #define TEST_SET_BITS_SLEEP_MAX 2000 1866 #define TEST_SET_BITS_SLEEP_MIN 1000 1867 1868 /** 1869 * ice_get_settings_link_up - Get Link settings for when link is up 1870 * @ks: ethtool ksettings to fill in 1871 * @netdev: network interface device structure 1872 */ 1873 static void 1874 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1875 struct net_device *netdev) 1876 { 1877 struct ice_netdev_priv *np = netdev_priv(netdev); 1878 struct ice_port_info *pi = np->vsi->port_info; 1879 struct ice_link_status *link_info; 1880 struct ice_vsi *vsi = np->vsi; 1881 1882 link_info = &vsi->port_info->phy.link_info; 1883 1884 /* Get supported and advertised settings from PHY ability with media */ 1885 ice_phy_type_to_ethtool(netdev, ks); 1886 1887 switch (link_info->link_speed) { 1888 case ICE_AQ_LINK_SPEED_200GB: 1889 ks->base.speed = SPEED_200000; 1890 break; 1891 case ICE_AQ_LINK_SPEED_100GB: 1892 ks->base.speed = SPEED_100000; 1893 break; 1894 case ICE_AQ_LINK_SPEED_50GB: 1895 ks->base.speed = SPEED_50000; 1896 break; 1897 case ICE_AQ_LINK_SPEED_40GB: 1898 ks->base.speed = SPEED_40000; 1899 break; 1900 case ICE_AQ_LINK_SPEED_25GB: 1901 ks->base.speed = SPEED_25000; 1902 break; 1903 case ICE_AQ_LINK_SPEED_20GB: 1904 ks->base.speed = SPEED_20000; 1905 break; 1906 case ICE_AQ_LINK_SPEED_10GB: 1907 ks->base.speed = SPEED_10000; 1908 break; 1909 case ICE_AQ_LINK_SPEED_5GB: 1910 ks->base.speed = SPEED_5000; 1911 break; 1912 case ICE_AQ_LINK_SPEED_2500MB: 1913 ks->base.speed = SPEED_2500; 1914 break; 1915 case ICE_AQ_LINK_SPEED_1000MB: 1916 ks->base.speed = SPEED_1000; 1917 break; 1918 case ICE_AQ_LINK_SPEED_100MB: 1919 ks->base.speed = SPEED_100; 1920 break; 1921 default: 1922 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1923 link_info->link_speed); 1924 break; 1925 } 1926 ks->base.duplex = DUPLEX_FULL; 1927 1928 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1929 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1930 Autoneg); 1931 1932 /* Set flow control negotiated Rx/Tx pause */ 1933 switch (pi->fc.current_mode) { 1934 case ICE_FC_FULL: 1935 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1936 break; 1937 case ICE_FC_TX_PAUSE: 1938 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1939 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1940 Asym_Pause); 1941 break; 1942 case ICE_FC_RX_PAUSE: 1943 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1944 Asym_Pause); 1945 break; 1946 case ICE_FC_PFC: 1947 default: 1948 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1949 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1950 Asym_Pause); 1951 break; 1952 } 1953 } 1954 1955 /** 1956 * ice_get_settings_link_down - Get the Link settings when link is down 1957 * @ks: ethtool ksettings to fill in 1958 * @netdev: network interface device structure 1959 * 1960 * Reports link settings that can be determined when link is down 1961 */ 1962 static void 1963 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1964 struct net_device *netdev) 1965 { 1966 /* link is down and the driver needs to fall back on 1967 * supported PHY types to figure out what info to display 1968 */ 1969 ice_phy_type_to_ethtool(netdev, ks); 1970 1971 /* With no link, speed and duplex are unknown */ 1972 ks->base.speed = SPEED_UNKNOWN; 1973 ks->base.duplex = DUPLEX_UNKNOWN; 1974 } 1975 1976 /** 1977 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1978 * @netdev: network interface device structure 1979 * @ks: ethtool ksettings 1980 * 1981 * Reports speed/duplex settings based on media_type 1982 */ 1983 static int 1984 ice_get_link_ksettings(struct net_device *netdev, 1985 struct ethtool_link_ksettings *ks) 1986 { 1987 struct ice_netdev_priv *np = netdev_priv(netdev); 1988 struct ice_aqc_get_phy_caps_data *caps; 1989 struct ice_link_status *hw_link_info; 1990 struct ice_vsi *vsi = np->vsi; 1991 int err; 1992 1993 ethtool_link_ksettings_zero_link_mode(ks, supported); 1994 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1995 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1996 hw_link_info = &vsi->port_info->phy.link_info; 1997 1998 /* set speed and duplex */ 1999 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 2000 ice_get_settings_link_up(ks, netdev); 2001 else 2002 ice_get_settings_link_down(ks, netdev); 2003 2004 /* set autoneg settings */ 2005 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 2006 AUTONEG_ENABLE : AUTONEG_DISABLE; 2007 2008 /* set media type settings */ 2009 switch (vsi->port_info->phy.media_type) { 2010 case ICE_MEDIA_FIBER: 2011 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2012 ks->base.port = PORT_FIBRE; 2013 break; 2014 case ICE_MEDIA_BASET: 2015 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 2016 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 2017 ks->base.port = PORT_TP; 2018 break; 2019 case ICE_MEDIA_BACKPLANE: 2020 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 2021 ethtool_link_ksettings_add_link_mode(ks, advertising, 2022 Backplane); 2023 ks->base.port = PORT_NONE; 2024 break; 2025 case ICE_MEDIA_DA: 2026 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2027 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 2028 ks->base.port = PORT_DA; 2029 break; 2030 default: 2031 ks->base.port = PORT_OTHER; 2032 break; 2033 } 2034 2035 /* flow control is symmetric and always supported */ 2036 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2037 2038 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 2039 if (!caps) 2040 return -ENOMEM; 2041 2042 err = ice_aq_get_phy_caps(vsi->port_info, false, 2043 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 2044 if (err) 2045 goto done; 2046 2047 /* Set the advertised flow control based on the PHY capability */ 2048 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2049 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2050 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2051 ethtool_link_ksettings_add_link_mode(ks, advertising, 2052 Asym_Pause); 2053 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2054 ethtool_link_ksettings_add_link_mode(ks, advertising, 2055 Asym_Pause); 2056 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2057 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2058 ethtool_link_ksettings_add_link_mode(ks, advertising, 2059 Asym_Pause); 2060 } else { 2061 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2062 ethtool_link_ksettings_del_link_mode(ks, advertising, 2063 Asym_Pause); 2064 } 2065 2066 /* Set advertised FEC modes based on PHY capability */ 2067 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2068 2069 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2070 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2071 ethtool_link_ksettings_add_link_mode(ks, advertising, 2072 FEC_BASER); 2073 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2074 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2075 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2076 2077 err = ice_aq_get_phy_caps(vsi->port_info, false, 2078 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 2079 if (err) 2080 goto done; 2081 2082 /* Set supported FEC modes based on PHY capability */ 2083 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2084 2085 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2086 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2087 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2088 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2089 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2090 2091 /* Set supported and advertised autoneg */ 2092 if (ice_is_phy_caps_an_enabled(caps)) { 2093 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2094 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2095 } 2096 2097 done: 2098 kfree(caps); 2099 return err; 2100 } 2101 2102 /** 2103 * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed 2104 * @speed: ethtool forced speed 2105 */ 2106 static u16 ice_speed_to_aq_link(int speed) 2107 { 2108 int aq_speed; 2109 2110 switch (speed) { 2111 case SPEED_10: 2112 aq_speed = ICE_AQ_LINK_SPEED_10MB; 2113 break; 2114 case SPEED_100: 2115 aq_speed = ICE_AQ_LINK_SPEED_100MB; 2116 break; 2117 case SPEED_1000: 2118 aq_speed = ICE_AQ_LINK_SPEED_1000MB; 2119 break; 2120 case SPEED_2500: 2121 aq_speed = ICE_AQ_LINK_SPEED_2500MB; 2122 break; 2123 case SPEED_5000: 2124 aq_speed = ICE_AQ_LINK_SPEED_5GB; 2125 break; 2126 case SPEED_10000: 2127 aq_speed = ICE_AQ_LINK_SPEED_10GB; 2128 break; 2129 case SPEED_20000: 2130 aq_speed = ICE_AQ_LINK_SPEED_20GB; 2131 break; 2132 case SPEED_25000: 2133 aq_speed = ICE_AQ_LINK_SPEED_25GB; 2134 break; 2135 case SPEED_40000: 2136 aq_speed = ICE_AQ_LINK_SPEED_40GB; 2137 break; 2138 case SPEED_50000: 2139 aq_speed = ICE_AQ_LINK_SPEED_50GB; 2140 break; 2141 case SPEED_100000: 2142 aq_speed = ICE_AQ_LINK_SPEED_100GB; 2143 break; 2144 default: 2145 aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN; 2146 break; 2147 } 2148 return aq_speed; 2149 } 2150 2151 /** 2152 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2153 * @ks: ethtool ksettings 2154 */ 2155 static u16 2156 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2157 { 2158 const struct ethtool_forced_speed_map *map; 2159 u16 adv_link_speed = 0; 2160 2161 for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) { 2162 map = ice_adv_lnk_speed_maps + i; 2163 if (linkmode_intersects(ks->link_modes.advertising, map->caps)) 2164 adv_link_speed |= ice_speed_to_aq_link(map->speed); 2165 } 2166 2167 return adv_link_speed; 2168 } 2169 2170 /** 2171 * ice_setup_autoneg 2172 * @p: port info 2173 * @ks: ethtool_link_ksettings 2174 * @config: configuration that will be sent down to FW 2175 * @autoneg_enabled: autonegotiation is enabled or not 2176 * @autoneg_changed: will there a change in autonegotiation 2177 * @netdev: network interface device structure 2178 * 2179 * Setup PHY autonegotiation feature 2180 */ 2181 static int 2182 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2183 struct ice_aqc_set_phy_cfg_data *config, 2184 u8 autoneg_enabled, u8 *autoneg_changed, 2185 struct net_device *netdev) 2186 { 2187 int err = 0; 2188 2189 *autoneg_changed = 0; 2190 2191 /* Check autoneg */ 2192 if (autoneg_enabled == AUTONEG_ENABLE) { 2193 /* If autoneg was not already enabled */ 2194 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2195 /* If autoneg is not supported, return error */ 2196 if (!ethtool_link_ksettings_test_link_mode(ks, 2197 supported, 2198 Autoneg)) { 2199 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2200 err = -EINVAL; 2201 } else { 2202 /* Autoneg is allowed to change */ 2203 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2204 *autoneg_changed = 1; 2205 } 2206 } 2207 } else { 2208 /* If autoneg is currently enabled */ 2209 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2210 /* If autoneg is supported 10GBASE_T is the only PHY 2211 * that can disable it, so otherwise return error 2212 */ 2213 if (ethtool_link_ksettings_test_link_mode(ks, 2214 supported, 2215 Autoneg)) { 2216 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2217 err = -EINVAL; 2218 } else { 2219 /* Autoneg is allowed to change */ 2220 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2221 *autoneg_changed = 1; 2222 } 2223 } 2224 } 2225 2226 return err; 2227 } 2228 2229 /** 2230 * ice_set_phy_type_from_speed - set phy_types based on speeds 2231 * and advertised modes 2232 * @ks: ethtool link ksettings struct 2233 * @phy_type_low: pointer to the lower part of phy_type 2234 * @phy_type_high: pointer to the higher part of phy_type 2235 * @adv_link_speed: targeted link speeds bitmap 2236 */ 2237 static void 2238 ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks, 2239 u64 *phy_type_low, u64 *phy_type_high, 2240 u16 adv_link_speed) 2241 { 2242 /* Handle 1000M speed in a special way because ice_update_phy_type 2243 * enables all link modes, but having mixed copper and optical 2244 * standards is not supported. 2245 */ 2246 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB; 2247 2248 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2249 1000baseT_Full)) 2250 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T | 2251 ICE_PHY_TYPE_LOW_1G_SGMII; 2252 2253 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2254 1000baseKX_Full)) 2255 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX; 2256 2257 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2258 1000baseX_Full)) 2259 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX | 2260 ICE_PHY_TYPE_LOW_1000BASE_LX; 2261 2262 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed); 2263 } 2264 2265 /** 2266 * ice_set_link_ksettings - Set Speed and Duplex 2267 * @netdev: network interface device structure 2268 * @ks: ethtool ksettings 2269 * 2270 * Set speed/duplex per media_types advertised/forced 2271 */ 2272 static int 2273 ice_set_link_ksettings(struct net_device *netdev, 2274 const struct ethtool_link_ksettings *ks) 2275 { 2276 struct ice_netdev_priv *np = netdev_priv(netdev); 2277 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2278 struct ethtool_link_ksettings copy_ks = *ks; 2279 struct ethtool_link_ksettings safe_ks = {}; 2280 struct ice_aqc_get_phy_caps_data *phy_caps; 2281 struct ice_aqc_set_phy_cfg_data config; 2282 u16 adv_link_speed, curr_link_speed; 2283 struct ice_pf *pf = np->vsi->back; 2284 struct ice_port_info *pi; 2285 u8 autoneg_changed = 0; 2286 u64 phy_type_high = 0; 2287 u64 phy_type_low = 0; 2288 bool linkup; 2289 int err; 2290 2291 pi = np->vsi->port_info; 2292 2293 if (!pi) 2294 return -EIO; 2295 2296 if (pi->phy.media_type != ICE_MEDIA_BASET && 2297 pi->phy.media_type != ICE_MEDIA_FIBER && 2298 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2299 pi->phy.media_type != ICE_MEDIA_DA && 2300 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2301 return -EOPNOTSUPP; 2302 2303 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2304 if (!phy_caps) 2305 return -ENOMEM; 2306 2307 /* Get the PHY capabilities based on media */ 2308 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2309 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2310 phy_caps, NULL); 2311 else 2312 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2313 phy_caps, NULL); 2314 if (err) 2315 goto done; 2316 2317 /* save autoneg out of ksettings */ 2318 autoneg = copy_ks.base.autoneg; 2319 2320 /* Get link modes supported by hardware.*/ 2321 ice_phy_type_to_ethtool(netdev, &safe_ks); 2322 2323 /* and check against modes requested by user. 2324 * Return an error if unsupported mode was set. 2325 */ 2326 if (!bitmap_subset(copy_ks.link_modes.advertising, 2327 safe_ks.link_modes.supported, 2328 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2329 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2330 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"); 2331 err = -EOPNOTSUPP; 2332 goto done; 2333 } 2334 2335 /* get our own copy of the bits to check against */ 2336 memset(&safe_ks, 0, sizeof(safe_ks)); 2337 safe_ks.base.cmd = copy_ks.base.cmd; 2338 safe_ks.base.link_mode_masks_nwords = 2339 copy_ks.base.link_mode_masks_nwords; 2340 ice_get_link_ksettings(netdev, &safe_ks); 2341 2342 /* set autoneg back to what it currently is */ 2343 copy_ks.base.autoneg = safe_ks.base.autoneg; 2344 /* we don't compare the speed */ 2345 copy_ks.base.speed = safe_ks.base.speed; 2346 2347 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2348 * trying to set something that we do not support. 2349 */ 2350 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2351 err = -EOPNOTSUPP; 2352 goto done; 2353 } 2354 2355 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2356 timeout--; 2357 if (!timeout) { 2358 err = -EBUSY; 2359 goto done; 2360 } 2361 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2362 } 2363 2364 /* Copy the current user PHY configuration. The current user PHY 2365 * configuration is initialized during probe from PHY capabilities 2366 * software mode, and updated on set PHY configuration. 2367 */ 2368 config = pi->phy.curr_user_phy_cfg; 2369 2370 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2371 2372 /* Check autoneg */ 2373 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2374 netdev); 2375 2376 if (err) 2377 goto done; 2378 2379 /* Call to get the current link speed */ 2380 pi->phy.get_link_info = true; 2381 err = ice_get_link_status(pi, &linkup); 2382 if (err) 2383 goto done; 2384 2385 curr_link_speed = pi->phy.curr_user_speed_req; 2386 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2387 2388 /* If speed didn't get set, set it to what it currently is. 2389 * This is needed because if advertise is 0 (as it is when autoneg 2390 * is disabled) then speed won't get set. 2391 */ 2392 if (!adv_link_speed) 2393 adv_link_speed = curr_link_speed; 2394 2395 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2396 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high, 2397 adv_link_speed); 2398 2399 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2400 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2401 goto done; 2402 } 2403 2404 /* save the requested speeds */ 2405 pi->phy.link_info.req_speeds = adv_link_speed; 2406 2407 /* set link and auto negotiation so changes take effect */ 2408 config.caps |= ICE_AQ_PHY_ENA_LINK; 2409 2410 /* check if there is a PHY type for the requested advertised speed */ 2411 if (!(phy_type_low || phy_type_high)) { 2412 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"); 2413 err = -EOPNOTSUPP; 2414 goto done; 2415 } 2416 2417 /* intersect requested advertised speed PHY types with media PHY types 2418 * for set PHY configuration 2419 */ 2420 config.phy_type_high = cpu_to_le64(phy_type_high) & 2421 phy_caps->phy_type_high; 2422 config.phy_type_low = cpu_to_le64(phy_type_low) & 2423 phy_caps->phy_type_low; 2424 2425 if (!(config.phy_type_high || config.phy_type_low)) { 2426 /* If there is no intersection and lenient mode is enabled, then 2427 * intersect the requested advertised speed with NVM media type 2428 * PHY types. 2429 */ 2430 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2431 config.phy_type_high = cpu_to_le64(phy_type_high) & 2432 pf->nvm_phy_type_hi; 2433 config.phy_type_low = cpu_to_le64(phy_type_low) & 2434 pf->nvm_phy_type_lo; 2435 } else { 2436 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"); 2437 err = -EOPNOTSUPP; 2438 goto done; 2439 } 2440 } 2441 2442 /* If link is up put link down */ 2443 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2444 /* Tell the OS link is going down, the link will go 2445 * back up when fw says it is ready asynchronously 2446 */ 2447 ice_print_link_msg(np->vsi, false); 2448 netif_carrier_off(netdev); 2449 netif_tx_stop_all_queues(netdev); 2450 } 2451 2452 /* make the aq call */ 2453 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2454 if (err) { 2455 netdev_info(netdev, "Set phy config failed,\n"); 2456 goto done; 2457 } 2458 2459 /* Save speed request */ 2460 pi->phy.curr_user_speed_req = adv_link_speed; 2461 done: 2462 kfree(phy_caps); 2463 clear_bit(ICE_CFG_BUSY, pf->state); 2464 2465 return err; 2466 } 2467 2468 /** 2469 * ice_parse_hdrs - parses headers from RSS hash input 2470 * @nfc: ethtool rxnfc command 2471 * 2472 * This function parses the rxnfc command and returns intended 2473 * header types for RSS configuration 2474 */ 2475 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2476 { 2477 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2478 2479 switch (nfc->flow_type) { 2480 case TCP_V4_FLOW: 2481 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2482 break; 2483 case UDP_V4_FLOW: 2484 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2485 break; 2486 case SCTP_V4_FLOW: 2487 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2488 break; 2489 case TCP_V6_FLOW: 2490 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2491 break; 2492 case UDP_V6_FLOW: 2493 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2494 break; 2495 case SCTP_V6_FLOW: 2496 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2497 break; 2498 default: 2499 break; 2500 } 2501 return hdrs; 2502 } 2503 2504 /** 2505 * ice_parse_hash_flds - parses hash fields from RSS hash input 2506 * @nfc: ethtool rxnfc command 2507 * @symm: true if Symmetric Topelitz is set 2508 * 2509 * This function parses the rxnfc command and returns intended 2510 * hash fields for RSS configuration 2511 */ 2512 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc, bool symm) 2513 { 2514 u64 hfld = ICE_HASH_INVALID; 2515 2516 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2517 switch (nfc->flow_type) { 2518 case TCP_V4_FLOW: 2519 case UDP_V4_FLOW: 2520 case SCTP_V4_FLOW: 2521 if (nfc->data & RXH_IP_SRC) 2522 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2523 if (nfc->data & RXH_IP_DST) 2524 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2525 break; 2526 case TCP_V6_FLOW: 2527 case UDP_V6_FLOW: 2528 case SCTP_V6_FLOW: 2529 if (nfc->data & RXH_IP_SRC) 2530 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2531 if (nfc->data & RXH_IP_DST) 2532 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2533 break; 2534 default: 2535 break; 2536 } 2537 } 2538 2539 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2540 switch (nfc->flow_type) { 2541 case TCP_V4_FLOW: 2542 case TCP_V6_FLOW: 2543 if (nfc->data & RXH_L4_B_0_1) 2544 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2545 if (nfc->data & RXH_L4_B_2_3) 2546 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2547 break; 2548 case UDP_V4_FLOW: 2549 case UDP_V6_FLOW: 2550 if (nfc->data & RXH_L4_B_0_1) 2551 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2552 if (nfc->data & RXH_L4_B_2_3) 2553 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2554 break; 2555 case SCTP_V4_FLOW: 2556 case SCTP_V6_FLOW: 2557 if (nfc->data & RXH_L4_B_0_1) 2558 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2559 if (nfc->data & RXH_L4_B_2_3) 2560 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2561 break; 2562 default: 2563 break; 2564 } 2565 } 2566 2567 return hfld; 2568 } 2569 2570 /** 2571 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2572 * @vsi: the VSI being configured 2573 * @nfc: ethtool rxnfc command 2574 * 2575 * Returns Success if the flow input set is supported. 2576 */ 2577 static int 2578 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2579 { 2580 struct ice_pf *pf = vsi->back; 2581 struct ice_rss_hash_cfg cfg; 2582 struct device *dev; 2583 u64 hashed_flds; 2584 int status; 2585 bool symm; 2586 u32 hdrs; 2587 2588 dev = ice_pf_to_dev(pf); 2589 if (ice_is_safe_mode(pf)) { 2590 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2591 vsi->vsi_num); 2592 return -EINVAL; 2593 } 2594 2595 symm = !!(vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ); 2596 hashed_flds = ice_parse_hash_flds(nfc, symm); 2597 if (hashed_flds == ICE_HASH_INVALID) { 2598 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2599 vsi->vsi_num); 2600 return -EINVAL; 2601 } 2602 2603 hdrs = ice_parse_hdrs(nfc); 2604 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2605 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2606 vsi->vsi_num); 2607 return -EINVAL; 2608 } 2609 2610 cfg.hash_flds = hashed_flds; 2611 cfg.addl_hdrs = hdrs; 2612 cfg.hdr_type = ICE_RSS_ANY_HEADERS; 2613 cfg.symm = symm; 2614 2615 status = ice_add_rss_cfg(&pf->hw, vsi, &cfg); 2616 if (status) { 2617 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n", 2618 vsi->vsi_num, status); 2619 return status; 2620 } 2621 2622 return 0; 2623 } 2624 2625 /** 2626 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2627 * @vsi: the VSI being configured 2628 * @nfc: ethtool rxnfc command 2629 */ 2630 static void 2631 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2632 { 2633 struct ice_pf *pf = vsi->back; 2634 struct device *dev; 2635 u64 hash_flds; 2636 bool symm; 2637 u32 hdrs; 2638 2639 dev = ice_pf_to_dev(pf); 2640 2641 nfc->data = 0; 2642 if (ice_is_safe_mode(pf)) { 2643 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2644 vsi->vsi_num); 2645 return; 2646 } 2647 2648 hdrs = ice_parse_hdrs(nfc); 2649 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2650 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2651 vsi->vsi_num); 2652 return; 2653 } 2654 2655 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs, &symm); 2656 if (hash_flds == ICE_HASH_INVALID) { 2657 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2658 vsi->vsi_num); 2659 return; 2660 } 2661 2662 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2663 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2664 nfc->data |= (u64)RXH_IP_SRC; 2665 2666 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2667 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2668 nfc->data |= (u64)RXH_IP_DST; 2669 2670 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2671 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2672 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2673 nfc->data |= (u64)RXH_L4_B_0_1; 2674 2675 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2676 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2677 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2678 nfc->data |= (u64)RXH_L4_B_2_3; 2679 } 2680 2681 /** 2682 * ice_set_rxnfc - command to set Rx flow rules. 2683 * @netdev: network interface device structure 2684 * @cmd: ethtool rxnfc command 2685 * 2686 * Returns 0 for success and negative values for errors 2687 */ 2688 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2689 { 2690 struct ice_netdev_priv *np = netdev_priv(netdev); 2691 struct ice_vsi *vsi = np->vsi; 2692 2693 switch (cmd->cmd) { 2694 case ETHTOOL_SRXCLSRLINS: 2695 return ice_add_fdir_ethtool(vsi, cmd); 2696 case ETHTOOL_SRXCLSRLDEL: 2697 return ice_del_fdir_ethtool(vsi, cmd); 2698 case ETHTOOL_SRXFH: 2699 return ice_set_rss_hash_opt(vsi, cmd); 2700 default: 2701 break; 2702 } 2703 return -EOPNOTSUPP; 2704 } 2705 2706 /** 2707 * ice_get_rxnfc - command to get Rx flow classification rules 2708 * @netdev: network interface device structure 2709 * @cmd: ethtool rxnfc command 2710 * @rule_locs: buffer to rturn Rx flow classification rules 2711 * 2712 * Returns Success if the command is supported. 2713 */ 2714 static int 2715 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2716 u32 __always_unused *rule_locs) 2717 { 2718 struct ice_netdev_priv *np = netdev_priv(netdev); 2719 struct ice_vsi *vsi = np->vsi; 2720 int ret = -EOPNOTSUPP; 2721 struct ice_hw *hw; 2722 2723 hw = &vsi->back->hw; 2724 2725 switch (cmd->cmd) { 2726 case ETHTOOL_GRXRINGS: 2727 cmd->data = vsi->rss_size; 2728 ret = 0; 2729 break; 2730 case ETHTOOL_GRXCLSRLCNT: 2731 cmd->rule_cnt = hw->fdir_active_fltr; 2732 /* report total rule count */ 2733 cmd->data = ice_get_fdir_cnt_all(hw); 2734 ret = 0; 2735 break; 2736 case ETHTOOL_GRXCLSRULE: 2737 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2738 break; 2739 case ETHTOOL_GRXCLSRLALL: 2740 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2741 break; 2742 case ETHTOOL_GRXFH: 2743 ice_get_rss_hash_opt(vsi, cmd); 2744 ret = 0; 2745 break; 2746 default: 2747 break; 2748 } 2749 2750 return ret; 2751 } 2752 2753 static void 2754 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2755 struct kernel_ethtool_ringparam *kernel_ring, 2756 struct netlink_ext_ack *extack) 2757 { 2758 struct ice_netdev_priv *np = netdev_priv(netdev); 2759 struct ice_vsi *vsi = np->vsi; 2760 2761 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2762 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2763 if (vsi->tx_rings && vsi->rx_rings) { 2764 ring->rx_pending = vsi->rx_rings[0]->count; 2765 ring->tx_pending = vsi->tx_rings[0]->count; 2766 } else { 2767 ring->rx_pending = 0; 2768 ring->tx_pending = 0; 2769 } 2770 2771 /* Rx mini and jumbo rings are not supported */ 2772 ring->rx_mini_max_pending = 0; 2773 ring->rx_jumbo_max_pending = 0; 2774 ring->rx_mini_pending = 0; 2775 ring->rx_jumbo_pending = 0; 2776 } 2777 2778 static int 2779 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2780 struct kernel_ethtool_ringparam *kernel_ring, 2781 struct netlink_ext_ack *extack) 2782 { 2783 struct ice_netdev_priv *np = netdev_priv(netdev); 2784 struct ice_tx_ring *xdp_rings = NULL; 2785 struct ice_tx_ring *tx_rings = NULL; 2786 struct ice_rx_ring *rx_rings = NULL; 2787 struct ice_vsi *vsi = np->vsi; 2788 struct ice_pf *pf = vsi->back; 2789 int i, timeout = 50, err = 0; 2790 u16 new_rx_cnt, new_tx_cnt; 2791 2792 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2793 ring->tx_pending < ICE_MIN_NUM_DESC || 2794 ring->rx_pending > ICE_MAX_NUM_DESC || 2795 ring->rx_pending < ICE_MIN_NUM_DESC) { 2796 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2797 ring->tx_pending, ring->rx_pending, 2798 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2799 ICE_REQ_DESC_MULTIPLE); 2800 return -EINVAL; 2801 } 2802 2803 /* Return if there is no rings (device is reloading) */ 2804 if (!vsi->tx_rings || !vsi->rx_rings) 2805 return -EBUSY; 2806 2807 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2808 if (new_tx_cnt != ring->tx_pending) 2809 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2810 new_tx_cnt); 2811 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2812 if (new_rx_cnt != ring->rx_pending) 2813 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2814 new_rx_cnt); 2815 2816 /* if nothing to do return success */ 2817 if (new_tx_cnt == vsi->tx_rings[0]->count && 2818 new_rx_cnt == vsi->rx_rings[0]->count) { 2819 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2820 return 0; 2821 } 2822 2823 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2824 * disallow changing the number of descriptors -- regardless 2825 * if the netdev is running or not. 2826 */ 2827 if (ice_xsk_any_rx_ring_ena(vsi)) 2828 return -EBUSY; 2829 2830 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2831 timeout--; 2832 if (!timeout) 2833 return -EBUSY; 2834 usleep_range(1000, 2000); 2835 } 2836 2837 /* set for the next time the netdev is started */ 2838 if (!netif_running(vsi->netdev)) { 2839 ice_for_each_alloc_txq(vsi, i) 2840 vsi->tx_rings[i]->count = new_tx_cnt; 2841 ice_for_each_alloc_rxq(vsi, i) 2842 vsi->rx_rings[i]->count = new_rx_cnt; 2843 if (ice_is_xdp_ena_vsi(vsi)) 2844 ice_for_each_xdp_txq(vsi, i) 2845 vsi->xdp_rings[i]->count = new_tx_cnt; 2846 vsi->num_tx_desc = (u16)new_tx_cnt; 2847 vsi->num_rx_desc = (u16)new_rx_cnt; 2848 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2849 goto done; 2850 } 2851 2852 if (new_tx_cnt == vsi->tx_rings[0]->count) 2853 goto process_rx; 2854 2855 /* alloc updated Tx resources */ 2856 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2857 vsi->tx_rings[0]->count, new_tx_cnt); 2858 2859 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2860 if (!tx_rings) { 2861 err = -ENOMEM; 2862 goto done; 2863 } 2864 2865 ice_for_each_txq(vsi, i) { 2866 /* clone ring and setup updated count */ 2867 tx_rings[i] = *vsi->tx_rings[i]; 2868 tx_rings[i].count = new_tx_cnt; 2869 tx_rings[i].desc = NULL; 2870 tx_rings[i].tx_buf = NULL; 2871 tx_rings[i].tx_tstamps = &pf->ptp.port.tx; 2872 err = ice_setup_tx_ring(&tx_rings[i]); 2873 if (err) { 2874 while (i--) 2875 ice_clean_tx_ring(&tx_rings[i]); 2876 kfree(tx_rings); 2877 goto done; 2878 } 2879 } 2880 2881 if (!ice_is_xdp_ena_vsi(vsi)) 2882 goto process_rx; 2883 2884 /* alloc updated XDP resources */ 2885 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2886 vsi->xdp_rings[0]->count, new_tx_cnt); 2887 2888 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2889 if (!xdp_rings) { 2890 err = -ENOMEM; 2891 goto free_tx; 2892 } 2893 2894 ice_for_each_xdp_txq(vsi, i) { 2895 /* clone ring and setup updated count */ 2896 xdp_rings[i] = *vsi->xdp_rings[i]; 2897 xdp_rings[i].count = new_tx_cnt; 2898 xdp_rings[i].desc = NULL; 2899 xdp_rings[i].tx_buf = NULL; 2900 err = ice_setup_tx_ring(&xdp_rings[i]); 2901 if (err) { 2902 while (i--) 2903 ice_clean_tx_ring(&xdp_rings[i]); 2904 kfree(xdp_rings); 2905 goto free_tx; 2906 } 2907 ice_set_ring_xdp(&xdp_rings[i]); 2908 } 2909 2910 process_rx: 2911 if (new_rx_cnt == vsi->rx_rings[0]->count) 2912 goto process_link; 2913 2914 /* alloc updated Rx resources */ 2915 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2916 vsi->rx_rings[0]->count, new_rx_cnt); 2917 2918 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2919 if (!rx_rings) { 2920 err = -ENOMEM; 2921 goto done; 2922 } 2923 2924 ice_for_each_rxq(vsi, i) { 2925 /* clone ring and setup updated count */ 2926 rx_rings[i] = *vsi->rx_rings[i]; 2927 rx_rings[i].count = new_rx_cnt; 2928 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time; 2929 rx_rings[i].desc = NULL; 2930 rx_rings[i].rx_buf = NULL; 2931 /* this is to allow wr32 to have something to write to 2932 * during early allocation of Rx buffers 2933 */ 2934 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2935 2936 err = ice_setup_rx_ring(&rx_rings[i]); 2937 if (err) 2938 goto rx_unwind; 2939 2940 /* allocate Rx buffers */ 2941 err = ice_alloc_rx_bufs(&rx_rings[i], 2942 ICE_RX_DESC_UNUSED(&rx_rings[i])); 2943 rx_unwind: 2944 if (err) { 2945 while (i) { 2946 i--; 2947 ice_free_rx_ring(&rx_rings[i]); 2948 } 2949 kfree(rx_rings); 2950 err = -ENOMEM; 2951 goto free_tx; 2952 } 2953 } 2954 2955 process_link: 2956 /* Bring interface down, copy in the new ring info, then restore the 2957 * interface. if VSI is up, bring it down and then back up 2958 */ 2959 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 2960 ice_down(vsi); 2961 2962 if (tx_rings) { 2963 ice_for_each_txq(vsi, i) { 2964 ice_free_tx_ring(vsi->tx_rings[i]); 2965 *vsi->tx_rings[i] = tx_rings[i]; 2966 } 2967 kfree(tx_rings); 2968 } 2969 2970 if (rx_rings) { 2971 ice_for_each_rxq(vsi, i) { 2972 ice_free_rx_ring(vsi->rx_rings[i]); 2973 /* copy the real tail offset */ 2974 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2975 /* this is to fake out the allocation routine 2976 * into thinking it has to realloc everything 2977 * but the recycling logic will let us re-use 2978 * the buffers allocated above 2979 */ 2980 rx_rings[i].next_to_use = 0; 2981 rx_rings[i].next_to_clean = 0; 2982 rx_rings[i].next_to_alloc = 0; 2983 *vsi->rx_rings[i] = rx_rings[i]; 2984 } 2985 kfree(rx_rings); 2986 } 2987 2988 if (xdp_rings) { 2989 ice_for_each_xdp_txq(vsi, i) { 2990 ice_free_tx_ring(vsi->xdp_rings[i]); 2991 *vsi->xdp_rings[i] = xdp_rings[i]; 2992 } 2993 kfree(xdp_rings); 2994 } 2995 2996 vsi->num_tx_desc = new_tx_cnt; 2997 vsi->num_rx_desc = new_rx_cnt; 2998 ice_up(vsi); 2999 } 3000 goto done; 3001 3002 free_tx: 3003 /* error cleanup if the Rx allocations failed after getting Tx */ 3004 if (tx_rings) { 3005 ice_for_each_txq(vsi, i) 3006 ice_free_tx_ring(&tx_rings[i]); 3007 kfree(tx_rings); 3008 } 3009 3010 done: 3011 clear_bit(ICE_CFG_BUSY, pf->state); 3012 return err; 3013 } 3014 3015 /** 3016 * ice_get_pauseparam - Get Flow Control status 3017 * @netdev: network interface device structure 3018 * @pause: ethernet pause (flow control) parameters 3019 * 3020 * Get requested flow control status from PHY capability. 3021 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 3022 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 3023 * the negotiated Rx/Tx pause via lp_advertising. 3024 */ 3025 static void 3026 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3027 { 3028 struct ice_netdev_priv *np = netdev_priv(netdev); 3029 struct ice_port_info *pi = np->vsi->port_info; 3030 struct ice_aqc_get_phy_caps_data *pcaps; 3031 struct ice_dcbx_cfg *dcbx_cfg; 3032 int status; 3033 3034 /* Initialize pause params */ 3035 pause->rx_pause = 0; 3036 pause->tx_pause = 0; 3037 3038 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3039 3040 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3041 if (!pcaps) 3042 return; 3043 3044 /* Get current PHY config */ 3045 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3046 NULL); 3047 if (status) 3048 goto out; 3049 3050 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3051 AUTONEG_DISABLE; 3052 3053 if (dcbx_cfg->pfc.pfcena) 3054 /* PFC enabled so report LFC as off */ 3055 goto out; 3056 3057 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 3058 pause->tx_pause = 1; 3059 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 3060 pause->rx_pause = 1; 3061 3062 out: 3063 kfree(pcaps); 3064 } 3065 3066 /** 3067 * ice_set_pauseparam - Set Flow Control parameter 3068 * @netdev: network interface device structure 3069 * @pause: return Tx/Rx flow control status 3070 */ 3071 static int 3072 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3073 { 3074 struct ice_netdev_priv *np = netdev_priv(netdev); 3075 struct ice_aqc_get_phy_caps_data *pcaps; 3076 struct ice_link_status *hw_link_info; 3077 struct ice_pf *pf = np->vsi->back; 3078 struct ice_dcbx_cfg *dcbx_cfg; 3079 struct ice_vsi *vsi = np->vsi; 3080 struct ice_hw *hw = &pf->hw; 3081 struct ice_port_info *pi; 3082 u8 aq_failures; 3083 bool link_up; 3084 u32 is_an; 3085 int err; 3086 3087 pi = vsi->port_info; 3088 hw_link_info = &pi->phy.link_info; 3089 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3090 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3091 3092 /* Changing the port's flow control is not supported if this isn't the 3093 * PF VSI 3094 */ 3095 if (vsi->type != ICE_VSI_PF) { 3096 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3097 return -EOPNOTSUPP; 3098 } 3099 3100 /* Get pause param reports configured and negotiated flow control pause 3101 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3102 * defined get pause param pause->autoneg reports SW configured setting, 3103 * so compare pause->autoneg with SW configured to prevent the user from 3104 * using set pause param to chance autoneg. 3105 */ 3106 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3107 if (!pcaps) 3108 return -ENOMEM; 3109 3110 /* Get current PHY config */ 3111 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3112 NULL); 3113 if (err) { 3114 kfree(pcaps); 3115 return err; 3116 } 3117 3118 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3119 AUTONEG_DISABLE; 3120 3121 kfree(pcaps); 3122 3123 if (pause->autoneg != is_an) { 3124 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3125 return -EOPNOTSUPP; 3126 } 3127 3128 /* If we have link and don't have autoneg */ 3129 if (!test_bit(ICE_DOWN, pf->state) && 3130 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3131 /* Send message that it might not necessarily work*/ 3132 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3133 } 3134 3135 if (dcbx_cfg->pfc.pfcena) { 3136 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3137 return -EOPNOTSUPP; 3138 } 3139 if (pause->rx_pause && pause->tx_pause) 3140 pi->fc.req_mode = ICE_FC_FULL; 3141 else if (pause->rx_pause && !pause->tx_pause) 3142 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3143 else if (!pause->rx_pause && pause->tx_pause) 3144 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3145 else if (!pause->rx_pause && !pause->tx_pause) 3146 pi->fc.req_mode = ICE_FC_NONE; 3147 else 3148 return -EINVAL; 3149 3150 /* Set the FC mode and only restart AN if link is up */ 3151 err = ice_set_fc(pi, &aq_failures, link_up); 3152 3153 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3154 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n", 3155 err, ice_aq_str(hw->adminq.sq_last_status)); 3156 err = -EAGAIN; 3157 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3158 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n", 3159 err, ice_aq_str(hw->adminq.sq_last_status)); 3160 err = -EAGAIN; 3161 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3162 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n", 3163 err, ice_aq_str(hw->adminq.sq_last_status)); 3164 err = -EAGAIN; 3165 } 3166 3167 return err; 3168 } 3169 3170 /** 3171 * ice_get_rxfh_key_size - get the RSS hash key size 3172 * @netdev: network interface device structure 3173 * 3174 * Returns the table size. 3175 */ 3176 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3177 { 3178 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3179 } 3180 3181 /** 3182 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3183 * @netdev: network interface device structure 3184 * 3185 * Returns the table size. 3186 */ 3187 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3188 { 3189 struct ice_netdev_priv *np = netdev_priv(netdev); 3190 3191 return np->vsi->rss_table_size; 3192 } 3193 3194 /** 3195 * ice_get_rxfh - get the Rx flow hash indirection table 3196 * @netdev: network interface device structure 3197 * @rxfh: pointer to param struct (indir, key, hfunc) 3198 * 3199 * Reads the indirection table directly from the hardware. 3200 */ 3201 static int 3202 ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh) 3203 { 3204 struct ice_netdev_priv *np = netdev_priv(netdev); 3205 u32 rss_context = rxfh->rss_context; 3206 struct ice_vsi *vsi = np->vsi; 3207 struct ice_pf *pf = vsi->back; 3208 u16 qcount, offset; 3209 int err, num_tc, i; 3210 u8 *lut; 3211 3212 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3213 netdev_warn(netdev, "RSS is not supported on this VSI!\n"); 3214 return -EOPNOTSUPP; 3215 } 3216 3217 if (rss_context && !ice_is_adq_active(pf)) { 3218 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n"); 3219 return -EINVAL; 3220 } 3221 3222 qcount = vsi->mqprio_qopt.qopt.count[rss_context]; 3223 offset = vsi->mqprio_qopt.qopt.offset[rss_context]; 3224 3225 if (rss_context && ice_is_adq_active(pf)) { 3226 num_tc = vsi->mqprio_qopt.qopt.num_tc; 3227 if (rss_context >= num_tc) { 3228 netdev_err(netdev, "RSS context:%d > num_tc:%d\n", 3229 rss_context, num_tc); 3230 return -EINVAL; 3231 } 3232 /* Use channel VSI of given TC */ 3233 vsi = vsi->tc_map_vsi[rss_context]; 3234 } 3235 3236 rxfh->hfunc = ETH_RSS_HASH_TOP; 3237 if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ) 3238 rxfh->input_xfrm |= RXH_XFRM_SYM_XOR; 3239 3240 if (!rxfh->indir) 3241 return 0; 3242 3243 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3244 if (!lut) 3245 return -ENOMEM; 3246 3247 err = ice_get_rss_key(vsi, rxfh->key); 3248 if (err) 3249 goto out; 3250 3251 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size); 3252 if (err) 3253 goto out; 3254 3255 if (ice_is_adq_active(pf)) { 3256 for (i = 0; i < vsi->rss_table_size; i++) 3257 rxfh->indir[i] = offset + lut[i] % qcount; 3258 goto out; 3259 } 3260 3261 for (i = 0; i < vsi->rss_table_size; i++) 3262 rxfh->indir[i] = lut[i]; 3263 3264 out: 3265 kfree(lut); 3266 return err; 3267 } 3268 3269 /** 3270 * ice_set_rxfh - set the Rx flow hash indirection table 3271 * @netdev: network interface device structure 3272 * @rxfh: pointer to param struct (indir, key, hfunc) 3273 * @extack: extended ACK from the Netlink message 3274 * 3275 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3276 * returns 0 after programming the table. 3277 */ 3278 static int 3279 ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh, 3280 struct netlink_ext_ack *extack) 3281 { 3282 struct ice_netdev_priv *np = netdev_priv(netdev); 3283 u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ; 3284 struct ice_vsi *vsi = np->vsi; 3285 struct ice_pf *pf = vsi->back; 3286 struct device *dev; 3287 int err; 3288 3289 dev = ice_pf_to_dev(pf); 3290 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && 3291 rxfh->hfunc != ETH_RSS_HASH_TOP) 3292 return -EOPNOTSUPP; 3293 3294 if (rxfh->rss_context) 3295 return -EOPNOTSUPP; 3296 3297 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3298 /* RSS not supported return error here */ 3299 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3300 return -EIO; 3301 } 3302 3303 if (ice_is_adq_active(pf)) { 3304 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n"); 3305 return -EOPNOTSUPP; 3306 } 3307 3308 /* Update the VSI's hash function */ 3309 if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR) 3310 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ; 3311 3312 err = ice_set_rss_hfunc(vsi, hfunc); 3313 if (err) 3314 return err; 3315 3316 if (rxfh->key) { 3317 if (!vsi->rss_hkey_user) { 3318 vsi->rss_hkey_user = 3319 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3320 GFP_KERNEL); 3321 if (!vsi->rss_hkey_user) 3322 return -ENOMEM; 3323 } 3324 memcpy(vsi->rss_hkey_user, rxfh->key, 3325 ICE_VSIQF_HKEY_ARRAY_SIZE); 3326 3327 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3328 if (err) 3329 return err; 3330 } 3331 3332 if (!vsi->rss_lut_user) { 3333 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3334 GFP_KERNEL); 3335 if (!vsi->rss_lut_user) 3336 return -ENOMEM; 3337 } 3338 3339 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3340 if (rxfh->indir) { 3341 int i; 3342 3343 for (i = 0; i < vsi->rss_table_size; i++) 3344 vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]); 3345 } else { 3346 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3347 vsi->rss_size); 3348 } 3349 3350 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3351 if (err) 3352 return err; 3353 3354 return 0; 3355 } 3356 3357 static int 3358 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) 3359 { 3360 struct ice_pf *pf = ice_netdev_to_pf(dev); 3361 3362 /* only report timestamping if PTP is enabled */ 3363 if (!test_bit(ICE_FLAG_PTP, pf->flags)) 3364 return ethtool_op_get_ts_info(dev, info); 3365 3366 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3367 SOF_TIMESTAMPING_RX_SOFTWARE | 3368 SOF_TIMESTAMPING_SOFTWARE | 3369 SOF_TIMESTAMPING_TX_HARDWARE | 3370 SOF_TIMESTAMPING_RX_HARDWARE | 3371 SOF_TIMESTAMPING_RAW_HARDWARE; 3372 3373 info->phc_index = ice_ptp_clock_index(pf); 3374 3375 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3376 3377 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3378 3379 return 0; 3380 } 3381 3382 /** 3383 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3384 * @pf: PF structure 3385 */ 3386 static int ice_get_max_txq(struct ice_pf *pf) 3387 { 3388 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3389 (u16)pf->hw.func_caps.common_cap.num_txq); 3390 } 3391 3392 /** 3393 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3394 * @pf: PF structure 3395 */ 3396 static int ice_get_max_rxq(struct ice_pf *pf) 3397 { 3398 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3399 (u16)pf->hw.func_caps.common_cap.num_rxq); 3400 } 3401 3402 /** 3403 * ice_get_combined_cnt - return the current number of combined channels 3404 * @vsi: PF VSI pointer 3405 * 3406 * Go through all queue vectors and count ones that have both Rx and Tx ring 3407 * attached 3408 */ 3409 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3410 { 3411 u32 combined = 0; 3412 int q_idx; 3413 3414 ice_for_each_q_vector(vsi, q_idx) { 3415 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3416 3417 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring) 3418 combined++; 3419 } 3420 3421 return combined; 3422 } 3423 3424 /** 3425 * ice_get_channels - get the current and max supported channels 3426 * @dev: network interface device structure 3427 * @ch: ethtool channel data structure 3428 */ 3429 static void 3430 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3431 { 3432 struct ice_netdev_priv *np = netdev_priv(dev); 3433 struct ice_vsi *vsi = np->vsi; 3434 struct ice_pf *pf = vsi->back; 3435 3436 /* report maximum channels */ 3437 ch->max_rx = ice_get_max_rxq(pf); 3438 ch->max_tx = ice_get_max_txq(pf); 3439 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3440 3441 /* report current channels */ 3442 ch->combined_count = ice_get_combined_cnt(vsi); 3443 ch->rx_count = vsi->num_rxq - ch->combined_count; 3444 ch->tx_count = vsi->num_txq - ch->combined_count; 3445 3446 /* report other queues */ 3447 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3448 ch->max_other = ch->other_count; 3449 } 3450 3451 /** 3452 * ice_get_valid_rss_size - return valid number of RSS queues 3453 * @hw: pointer to the HW structure 3454 * @new_size: requested RSS queues 3455 */ 3456 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3457 { 3458 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3459 3460 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3461 } 3462 3463 /** 3464 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3465 * @vsi: VSI to reconfigure RSS LUT on 3466 * @req_rss_size: requested range of queue numbers for hashing 3467 * 3468 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3469 */ 3470 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3471 { 3472 struct ice_pf *pf = vsi->back; 3473 struct device *dev; 3474 struct ice_hw *hw; 3475 int err; 3476 u8 *lut; 3477 3478 dev = ice_pf_to_dev(pf); 3479 hw = &pf->hw; 3480 3481 if (!req_rss_size) 3482 return -EINVAL; 3483 3484 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3485 if (!lut) 3486 return -ENOMEM; 3487 3488 /* set RSS LUT parameters */ 3489 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3490 vsi->rss_size = 1; 3491 else 3492 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3493 3494 /* create/set RSS LUT */ 3495 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3496 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3497 if (err) 3498 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3499 ice_aq_str(hw->adminq.sq_last_status)); 3500 3501 kfree(lut); 3502 return err; 3503 } 3504 3505 /** 3506 * ice_set_channels - set the number channels 3507 * @dev: network interface device structure 3508 * @ch: ethtool channel data structure 3509 */ 3510 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3511 { 3512 struct ice_netdev_priv *np = netdev_priv(dev); 3513 struct ice_vsi *vsi = np->vsi; 3514 struct ice_pf *pf = vsi->back; 3515 int new_rx = 0, new_tx = 0; 3516 bool locked = false; 3517 u32 curr_combined; 3518 int ret = 0; 3519 3520 /* do not support changing channels in Safe Mode */ 3521 if (ice_is_safe_mode(pf)) { 3522 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3523 return -EOPNOTSUPP; 3524 } 3525 /* do not support changing other_count */ 3526 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3527 return -EINVAL; 3528 3529 if (ice_is_adq_active(pf)) { 3530 netdev_err(dev, "Cannot set channels with ADQ configured.\n"); 3531 return -EOPNOTSUPP; 3532 } 3533 3534 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3535 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3536 return -EOPNOTSUPP; 3537 } 3538 3539 curr_combined = ice_get_combined_cnt(vsi); 3540 3541 /* these checks are for cases where user didn't specify a particular 3542 * value on cmd line but we get non-zero value anyway via 3543 * get_channels(); look at ethtool.c in ethtool repository (the user 3544 * space part), particularly, do_schannels() routine 3545 */ 3546 if (ch->rx_count == vsi->num_rxq - curr_combined) 3547 ch->rx_count = 0; 3548 if (ch->tx_count == vsi->num_txq - curr_combined) 3549 ch->tx_count = 0; 3550 if (ch->combined_count == curr_combined) 3551 ch->combined_count = 0; 3552 3553 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3554 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3555 return -EINVAL; 3556 } 3557 3558 new_rx = ch->combined_count + ch->rx_count; 3559 new_tx = ch->combined_count + ch->tx_count; 3560 3561 if (new_rx < vsi->tc_cfg.numtc) { 3562 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n", 3563 vsi->tc_cfg.numtc); 3564 return -EINVAL; 3565 } 3566 if (new_tx < vsi->tc_cfg.numtc) { 3567 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n", 3568 vsi->tc_cfg.numtc); 3569 return -EINVAL; 3570 } 3571 if (new_rx > ice_get_max_rxq(pf)) { 3572 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3573 ice_get_max_rxq(pf)); 3574 return -EINVAL; 3575 } 3576 if (new_tx > ice_get_max_txq(pf)) { 3577 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3578 ice_get_max_txq(pf)); 3579 return -EINVAL; 3580 } 3581 3582 if (pf->adev) { 3583 mutex_lock(&pf->adev_mutex); 3584 device_lock(&pf->adev->dev); 3585 locked = true; 3586 if (pf->adev->dev.driver) { 3587 netdev_err(dev, "Cannot change channels when RDMA is active\n"); 3588 ret = -EBUSY; 3589 goto adev_unlock; 3590 } 3591 } 3592 3593 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked); 3594 3595 if (!netif_is_rxfh_configured(dev)) { 3596 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3597 goto adev_unlock; 3598 } 3599 3600 /* Update rss_size due to change in Rx queues */ 3601 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3602 3603 adev_unlock: 3604 if (locked) { 3605 device_unlock(&pf->adev->dev); 3606 mutex_unlock(&pf->adev_mutex); 3607 } 3608 return ret; 3609 } 3610 3611 /** 3612 * ice_get_wol - get current Wake on LAN configuration 3613 * @netdev: network interface device structure 3614 * @wol: Ethtool structure to retrieve WoL settings 3615 */ 3616 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3617 { 3618 struct ice_netdev_priv *np = netdev_priv(netdev); 3619 struct ice_pf *pf = np->vsi->back; 3620 3621 if (np->vsi->type != ICE_VSI_PF) 3622 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3623 3624 /* Get WoL settings based on the HW capability */ 3625 if (ice_is_wol_supported(&pf->hw)) { 3626 wol->supported = WAKE_MAGIC; 3627 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3628 } else { 3629 wol->supported = 0; 3630 wol->wolopts = 0; 3631 } 3632 } 3633 3634 /** 3635 * ice_set_wol - set Wake on LAN on supported device 3636 * @netdev: network interface device structure 3637 * @wol: Ethtool structure to set WoL 3638 */ 3639 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3640 { 3641 struct ice_netdev_priv *np = netdev_priv(netdev); 3642 struct ice_vsi *vsi = np->vsi; 3643 struct ice_pf *pf = vsi->back; 3644 3645 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 3646 return -EOPNOTSUPP; 3647 3648 /* only magic packet is supported */ 3649 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3650 return -EOPNOTSUPP; 3651 3652 /* Set WoL only if there is a new value */ 3653 if (pf->wol_ena != !!wol->wolopts) { 3654 pf->wol_ena = !!wol->wolopts; 3655 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3656 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3657 pf->wol_ena ? "en" : "dis"); 3658 } 3659 3660 return 0; 3661 } 3662 3663 /** 3664 * ice_get_rc_coalesce - get ITR values for specific ring container 3665 * @ec: ethtool structure to fill with driver's coalesce settings 3666 * @rc: ring container that the ITR values will come from 3667 * 3668 * Query the device for ice_ring_container specific ITR values. This is 3669 * done per ice_ring_container because each q_vector can have 1 or more rings 3670 * and all of said ring(s) will have the same ITR values. 3671 * 3672 * Returns 0 on success, negative otherwise. 3673 */ 3674 static int 3675 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc) 3676 { 3677 if (!rc->rx_ring) 3678 return -EINVAL; 3679 3680 switch (rc->type) { 3681 case ICE_RX_CONTAINER: 3682 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 3683 ec->rx_coalesce_usecs = rc->itr_setting; 3684 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl; 3685 break; 3686 case ICE_TX_CONTAINER: 3687 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 3688 ec->tx_coalesce_usecs = rc->itr_setting; 3689 break; 3690 default: 3691 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type); 3692 return -EINVAL; 3693 } 3694 3695 return 0; 3696 } 3697 3698 /** 3699 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3700 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3701 * @ec: coalesce settings to program the device with 3702 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3703 * 3704 * Return 0 on success, and negative under the following conditions: 3705 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3706 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3707 */ 3708 static int 3709 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3710 { 3711 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3712 if (ice_get_rc_coalesce(ec, 3713 &vsi->rx_rings[q_num]->q_vector->rx)) 3714 return -EINVAL; 3715 if (ice_get_rc_coalesce(ec, 3716 &vsi->tx_rings[q_num]->q_vector->tx)) 3717 return -EINVAL; 3718 } else if (q_num < vsi->num_rxq) { 3719 if (ice_get_rc_coalesce(ec, 3720 &vsi->rx_rings[q_num]->q_vector->rx)) 3721 return -EINVAL; 3722 } else if (q_num < vsi->num_txq) { 3723 if (ice_get_rc_coalesce(ec, 3724 &vsi->tx_rings[q_num]->q_vector->tx)) 3725 return -EINVAL; 3726 } else { 3727 return -EINVAL; 3728 } 3729 3730 return 0; 3731 } 3732 3733 /** 3734 * __ice_get_coalesce - get ITR/INTRL values for the device 3735 * @netdev: pointer to the netdev associated with this query 3736 * @ec: ethtool structure to fill with driver's coalesce settings 3737 * @q_num: queue number to get the coalesce settings for 3738 * 3739 * If the caller passes in a negative q_num then we return coalesce settings 3740 * based on queue number 0, else use the actual q_num passed in. 3741 */ 3742 static int 3743 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3744 int q_num) 3745 { 3746 struct ice_netdev_priv *np = netdev_priv(netdev); 3747 struct ice_vsi *vsi = np->vsi; 3748 3749 if (q_num < 0) 3750 q_num = 0; 3751 3752 if (ice_get_q_coalesce(vsi, ec, q_num)) 3753 return -EINVAL; 3754 3755 return 0; 3756 } 3757 3758 static int ice_get_coalesce(struct net_device *netdev, 3759 struct ethtool_coalesce *ec, 3760 struct kernel_ethtool_coalesce *kernel_coal, 3761 struct netlink_ext_ack *extack) 3762 { 3763 return __ice_get_coalesce(netdev, ec, -1); 3764 } 3765 3766 static int 3767 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3768 struct ethtool_coalesce *ec) 3769 { 3770 return __ice_get_coalesce(netdev, ec, q_num); 3771 } 3772 3773 /** 3774 * ice_set_rc_coalesce - set ITR values for specific ring container 3775 * @ec: ethtool structure from user to update ITR settings 3776 * @rc: ring container that the ITR values will come from 3777 * @vsi: VSI associated to the ring container 3778 * 3779 * Set specific ITR values. This is done per ice_ring_container because each 3780 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3781 * ITR values. 3782 * 3783 * Returns 0 on success, negative otherwise. 3784 */ 3785 static int 3786 ice_set_rc_coalesce(struct ethtool_coalesce *ec, 3787 struct ice_ring_container *rc, struct ice_vsi *vsi) 3788 { 3789 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3790 u32 use_adaptive_coalesce, coalesce_usecs; 3791 struct ice_pf *pf = vsi->back; 3792 u16 itr_setting; 3793 3794 if (!rc->rx_ring) 3795 return -EINVAL; 3796 3797 switch (rc->type) { 3798 case ICE_RX_CONTAINER: 3799 { 3800 struct ice_q_vector *q_vector = rc->rx_ring->q_vector; 3801 3802 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3803 (ec->rx_coalesce_usecs_high && 3804 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3805 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3806 c_type_str, pf->hw.intrl_gran, 3807 ICE_MAX_INTRL); 3808 return -EINVAL; 3809 } 3810 if (ec->rx_coalesce_usecs_high != q_vector->intrl && 3811 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 3812 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 3813 c_type_str); 3814 return -EINVAL; 3815 } 3816 if (ec->rx_coalesce_usecs_high != q_vector->intrl) 3817 q_vector->intrl = ec->rx_coalesce_usecs_high; 3818 3819 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3820 coalesce_usecs = ec->rx_coalesce_usecs; 3821 3822 break; 3823 } 3824 case ICE_TX_CONTAINER: 3825 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3826 coalesce_usecs = ec->tx_coalesce_usecs; 3827 3828 break; 3829 default: 3830 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3831 rc->type); 3832 return -EINVAL; 3833 } 3834 3835 itr_setting = rc->itr_setting; 3836 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3837 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3838 c_type_str, c_type_str); 3839 return -EINVAL; 3840 } 3841 3842 if (coalesce_usecs > ICE_ITR_MAX) { 3843 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3844 c_type_str, ICE_ITR_MAX); 3845 return -EINVAL; 3846 } 3847 3848 if (use_adaptive_coalesce) { 3849 rc->itr_mode = ITR_DYNAMIC; 3850 } else { 3851 rc->itr_mode = ITR_STATIC; 3852 /* store user facing value how it was set */ 3853 rc->itr_setting = coalesce_usecs; 3854 /* write the change to the register */ 3855 ice_write_itr(rc, coalesce_usecs); 3856 /* force writes to take effect immediately, the flush shouldn't 3857 * be done in the functions above because the intent is for 3858 * them to do lazy writes. 3859 */ 3860 ice_flush(&pf->hw); 3861 } 3862 3863 return 0; 3864 } 3865 3866 /** 3867 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3868 * @vsi: VSI associated to the queue that need updating 3869 * @ec: coalesce settings to program the device with 3870 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3871 * 3872 * Return 0 on success, and negative under the following conditions: 3873 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3874 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3875 */ 3876 static int 3877 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3878 { 3879 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3880 if (ice_set_rc_coalesce(ec, 3881 &vsi->rx_rings[q_num]->q_vector->rx, 3882 vsi)) 3883 return -EINVAL; 3884 3885 if (ice_set_rc_coalesce(ec, 3886 &vsi->tx_rings[q_num]->q_vector->tx, 3887 vsi)) 3888 return -EINVAL; 3889 } else if (q_num < vsi->num_rxq) { 3890 if (ice_set_rc_coalesce(ec, 3891 &vsi->rx_rings[q_num]->q_vector->rx, 3892 vsi)) 3893 return -EINVAL; 3894 } else if (q_num < vsi->num_txq) { 3895 if (ice_set_rc_coalesce(ec, 3896 &vsi->tx_rings[q_num]->q_vector->tx, 3897 vsi)) 3898 return -EINVAL; 3899 } else { 3900 return -EINVAL; 3901 } 3902 3903 return 0; 3904 } 3905 3906 /** 3907 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3908 * @netdev: netdev used for print 3909 * @itr_setting: previous user setting 3910 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3911 * @coalesce_usecs: requested value of [tx|rx]-usecs 3912 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3913 */ 3914 static void 3915 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3916 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3917 const char *c_type_str) 3918 { 3919 if (use_adaptive_coalesce) 3920 return; 3921 3922 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3923 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", 3924 c_type_str, coalesce_usecs, c_type_str, 3925 ITR_REG_ALIGN(coalesce_usecs)); 3926 } 3927 3928 /** 3929 * __ice_set_coalesce - set ITR/INTRL values for the device 3930 * @netdev: pointer to the netdev associated with this query 3931 * @ec: ethtool structure to fill with driver's coalesce settings 3932 * @q_num: queue number to get the coalesce settings for 3933 * 3934 * If the caller passes in a negative q_num then we set the coalesce settings 3935 * for all Tx/Rx queues, else use the actual q_num passed in. 3936 */ 3937 static int 3938 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3939 int q_num) 3940 { 3941 struct ice_netdev_priv *np = netdev_priv(netdev); 3942 struct ice_vsi *vsi = np->vsi; 3943 3944 if (q_num < 0) { 3945 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3946 int v_idx; 3947 3948 if (q_vector) { 3949 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3950 ec->use_adaptive_rx_coalesce, 3951 ec->rx_coalesce_usecs, "rx"); 3952 3953 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3954 ec->use_adaptive_tx_coalesce, 3955 ec->tx_coalesce_usecs, "tx"); 3956 } 3957 3958 ice_for_each_q_vector(vsi, v_idx) { 3959 /* In some cases if DCB is configured the num_[rx|tx]q 3960 * can be less than vsi->num_q_vectors. This check 3961 * accounts for that so we don't report a false failure 3962 */ 3963 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3964 goto set_complete; 3965 3966 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3967 return -EINVAL; 3968 3969 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]); 3970 } 3971 goto set_complete; 3972 } 3973 3974 if (ice_set_q_coalesce(vsi, ec, q_num)) 3975 return -EINVAL; 3976 3977 ice_set_q_vector_intrl(vsi->q_vectors[q_num]); 3978 3979 set_complete: 3980 return 0; 3981 } 3982 3983 static int ice_set_coalesce(struct net_device *netdev, 3984 struct ethtool_coalesce *ec, 3985 struct kernel_ethtool_coalesce *kernel_coal, 3986 struct netlink_ext_ack *extack) 3987 { 3988 return __ice_set_coalesce(netdev, ec, -1); 3989 } 3990 3991 static int 3992 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3993 struct ethtool_coalesce *ec) 3994 { 3995 return __ice_set_coalesce(netdev, ec, q_num); 3996 } 3997 3998 static void 3999 ice_repr_get_drvinfo(struct net_device *netdev, 4000 struct ethtool_drvinfo *drvinfo) 4001 { 4002 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4003 4004 if (ice_check_vf_ready_for_cfg(repr->vf)) 4005 return; 4006 4007 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi); 4008 } 4009 4010 static void 4011 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 4012 { 4013 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4014 4015 /* for port representors only ETH_SS_STATS is supported */ 4016 if (ice_check_vf_ready_for_cfg(repr->vf) || 4017 stringset != ETH_SS_STATS) 4018 return; 4019 4020 __ice_get_strings(netdev, stringset, data, repr->src_vsi); 4021 } 4022 4023 static void 4024 ice_repr_get_ethtool_stats(struct net_device *netdev, 4025 struct ethtool_stats __always_unused *stats, 4026 u64 *data) 4027 { 4028 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4029 4030 if (ice_check_vf_ready_for_cfg(repr->vf)) 4031 return; 4032 4033 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi); 4034 } 4035 4036 static int ice_repr_get_sset_count(struct net_device *netdev, int sset) 4037 { 4038 switch (sset) { 4039 case ETH_SS_STATS: 4040 return ICE_VSI_STATS_LEN; 4041 default: 4042 return -EOPNOTSUPP; 4043 } 4044 } 4045 4046 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 4047 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 4048 #define ICE_MODULE_TYPE_SFP 0x03 4049 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 4050 #define ICE_MODULE_TYPE_QSFP28 0x11 4051 #define ICE_MODULE_SFF_ADDR_MODE 0x04 4052 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 4053 #define ICE_MODULE_REVISION_ADDR 0x01 4054 #define ICE_MODULE_SFF_8472_COMP 0x5E 4055 #define ICE_MODULE_SFF_8472_SWAP 0x5C 4056 #define ICE_MODULE_QSFP_MAX_LEN 640 4057 4058 /** 4059 * ice_get_module_info - get SFF module type and revision information 4060 * @netdev: network interface device structure 4061 * @modinfo: module EEPROM size and layout information structure 4062 */ 4063 static int 4064 ice_get_module_info(struct net_device *netdev, 4065 struct ethtool_modinfo *modinfo) 4066 { 4067 struct ice_netdev_priv *np = netdev_priv(netdev); 4068 struct ice_vsi *vsi = np->vsi; 4069 struct ice_pf *pf = vsi->back; 4070 struct ice_hw *hw = &pf->hw; 4071 u8 sff8472_comp = 0; 4072 u8 sff8472_swap = 0; 4073 u8 sff8636_rev = 0; 4074 u8 value = 0; 4075 int status; 4076 4077 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 4078 0, &value, 1, 0, NULL); 4079 if (status) 4080 return status; 4081 4082 switch (value) { 4083 case ICE_MODULE_TYPE_SFP: 4084 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4085 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 4086 &sff8472_comp, 1, 0, NULL); 4087 if (status) 4088 return status; 4089 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4090 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 4091 &sff8472_swap, 1, 0, NULL); 4092 if (status) 4093 return status; 4094 4095 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 4096 modinfo->type = ETH_MODULE_SFF_8079; 4097 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4098 } else if (sff8472_comp && 4099 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 4100 modinfo->type = ETH_MODULE_SFF_8472; 4101 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 4102 } else { 4103 modinfo->type = ETH_MODULE_SFF_8079; 4104 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4105 } 4106 break; 4107 case ICE_MODULE_TYPE_QSFP_PLUS: 4108 case ICE_MODULE_TYPE_QSFP28: 4109 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4110 ICE_MODULE_REVISION_ADDR, 0x00, 0, 4111 &sff8636_rev, 1, 0, NULL); 4112 if (status) 4113 return status; 4114 /* Check revision compliance */ 4115 if (sff8636_rev > 0x02) { 4116 /* Module is SFF-8636 compliant */ 4117 modinfo->type = ETH_MODULE_SFF_8636; 4118 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4119 } else { 4120 modinfo->type = ETH_MODULE_SFF_8436; 4121 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4122 } 4123 break; 4124 default: 4125 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 4126 return -EINVAL; 4127 } 4128 return 0; 4129 } 4130 4131 /** 4132 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 4133 * @netdev: network interface device structure 4134 * @ee: EEPROM dump request structure 4135 * @data: buffer to be filled with EEPROM contents 4136 */ 4137 static int 4138 ice_get_module_eeprom(struct net_device *netdev, 4139 struct ethtool_eeprom *ee, u8 *data) 4140 { 4141 struct ice_netdev_priv *np = netdev_priv(netdev); 4142 #define SFF_READ_BLOCK_SIZE 8 4143 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 4144 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 4145 struct ice_vsi *vsi = np->vsi; 4146 struct ice_pf *pf = vsi->back; 4147 struct ice_hw *hw = &pf->hw; 4148 bool is_sfp = false; 4149 unsigned int i, j; 4150 u16 offset = 0; 4151 u8 page = 0; 4152 int status; 4153 4154 if (!ee || !ee->len || !data) 4155 return -EINVAL; 4156 4157 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 4158 NULL); 4159 if (status) 4160 return status; 4161 4162 if (value[0] == ICE_MODULE_TYPE_SFP) 4163 is_sfp = true; 4164 4165 memset(data, 0, ee->len); 4166 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 4167 offset = i + ee->offset; 4168 page = 0; 4169 4170 /* Check if we need to access the other memory page */ 4171 if (is_sfp) { 4172 if (offset >= ETH_MODULE_SFF_8079_LEN) { 4173 offset -= ETH_MODULE_SFF_8079_LEN; 4174 addr = ICE_I2C_EEPROM_DEV_ADDR2; 4175 } 4176 } else { 4177 while (offset >= ETH_MODULE_SFF_8436_LEN) { 4178 /* Compute memory page number and offset. */ 4179 offset -= ETH_MODULE_SFF_8436_LEN / 2; 4180 page++; 4181 } 4182 } 4183 4184 /* Bit 2 of EEPROM address 0x02 declares upper 4185 * pages are disabled on QSFP modules. 4186 * SFP modules only ever use page 0. 4187 */ 4188 if (page == 0 || !(data[0x2] & 0x4)) { 4189 u32 copy_len; 4190 4191 /* If i2c bus is busy due to slow page change or 4192 * link management access, call can fail. This is normal. 4193 * So we retry this a few times. 4194 */ 4195 for (j = 0; j < 4; j++) { 4196 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 4197 !is_sfp, value, 4198 SFF_READ_BLOCK_SIZE, 4199 0, NULL); 4200 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n", 4201 addr, offset, page, is_sfp, 4202 value[0], value[1], value[2], value[3], 4203 value[4], value[5], value[6], value[7], 4204 status); 4205 if (status) { 4206 usleep_range(1500, 2500); 4207 memset(value, 0, SFF_READ_BLOCK_SIZE); 4208 continue; 4209 } 4210 break; 4211 } 4212 4213 /* Make sure we have enough room for the new block */ 4214 copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i); 4215 memcpy(data + i, value, copy_len); 4216 } 4217 } 4218 return 0; 4219 } 4220 4221 static const struct ethtool_ops ice_ethtool_ops = { 4222 .cap_rss_ctx_supported = true, 4223 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 4224 ETHTOOL_COALESCE_USE_ADAPTIVE | 4225 ETHTOOL_COALESCE_RX_USECS_HIGH, 4226 .cap_rss_sym_xor_supported = true, 4227 .get_link_ksettings = ice_get_link_ksettings, 4228 .set_link_ksettings = ice_set_link_ksettings, 4229 .get_drvinfo = ice_get_drvinfo, 4230 .get_regs_len = ice_get_regs_len, 4231 .get_regs = ice_get_regs, 4232 .get_wol = ice_get_wol, 4233 .set_wol = ice_set_wol, 4234 .get_msglevel = ice_get_msglevel, 4235 .set_msglevel = ice_set_msglevel, 4236 .self_test = ice_self_test, 4237 .get_link = ethtool_op_get_link, 4238 .get_eeprom_len = ice_get_eeprom_len, 4239 .get_eeprom = ice_get_eeprom, 4240 .get_coalesce = ice_get_coalesce, 4241 .set_coalesce = ice_set_coalesce, 4242 .get_strings = ice_get_strings, 4243 .set_phys_id = ice_set_phys_id, 4244 .get_ethtool_stats = ice_get_ethtool_stats, 4245 .get_priv_flags = ice_get_priv_flags, 4246 .set_priv_flags = ice_set_priv_flags, 4247 .get_sset_count = ice_get_sset_count, 4248 .get_rxnfc = ice_get_rxnfc, 4249 .set_rxnfc = ice_set_rxnfc, 4250 .get_ringparam = ice_get_ringparam, 4251 .set_ringparam = ice_set_ringparam, 4252 .nway_reset = ice_nway_reset, 4253 .get_pauseparam = ice_get_pauseparam, 4254 .set_pauseparam = ice_set_pauseparam, 4255 .get_rxfh_key_size = ice_get_rxfh_key_size, 4256 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4257 .get_rxfh = ice_get_rxfh, 4258 .set_rxfh = ice_set_rxfh, 4259 .get_channels = ice_get_channels, 4260 .set_channels = ice_set_channels, 4261 .get_ts_info = ice_get_ts_info, 4262 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4263 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4264 .get_fecparam = ice_get_fecparam, 4265 .set_fecparam = ice_set_fecparam, 4266 .get_module_info = ice_get_module_info, 4267 .get_module_eeprom = ice_get_module_eeprom, 4268 }; 4269 4270 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4271 .get_link_ksettings = ice_get_link_ksettings, 4272 .set_link_ksettings = ice_set_link_ksettings, 4273 .get_drvinfo = ice_get_drvinfo, 4274 .get_regs_len = ice_get_regs_len, 4275 .get_regs = ice_get_regs, 4276 .get_wol = ice_get_wol, 4277 .set_wol = ice_set_wol, 4278 .get_msglevel = ice_get_msglevel, 4279 .set_msglevel = ice_set_msglevel, 4280 .get_link = ethtool_op_get_link, 4281 .get_eeprom_len = ice_get_eeprom_len, 4282 .get_eeprom = ice_get_eeprom, 4283 .get_strings = ice_get_strings, 4284 .get_ethtool_stats = ice_get_ethtool_stats, 4285 .get_sset_count = ice_get_sset_count, 4286 .get_ringparam = ice_get_ringparam, 4287 .set_ringparam = ice_set_ringparam, 4288 .nway_reset = ice_nway_reset, 4289 .get_channels = ice_get_channels, 4290 }; 4291 4292 /** 4293 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4294 * @netdev: network interface device structure 4295 */ 4296 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4297 { 4298 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4299 } 4300 4301 static const struct ethtool_ops ice_ethtool_repr_ops = { 4302 .get_drvinfo = ice_repr_get_drvinfo, 4303 .get_link = ethtool_op_get_link, 4304 .get_strings = ice_repr_get_strings, 4305 .get_ethtool_stats = ice_repr_get_ethtool_stats, 4306 .get_sset_count = ice_repr_get_sset_count, 4307 }; 4308 4309 /** 4310 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops 4311 * @netdev: network interface device structure 4312 */ 4313 void ice_set_ethtool_repr_ops(struct net_device *netdev) 4314 { 4315 netdev->ethtool_ops = &ice_ethtool_repr_ops; 4316 } 4317 4318 /** 4319 * ice_set_ethtool_ops - setup netdev ethtool ops 4320 * @netdev: network interface device structure 4321 * 4322 * setup netdev ethtool ops with ice specific ops 4323 */ 4324 void ice_set_ethtool_ops(struct net_device *netdev) 4325 { 4326 netdev->ethtool_ops = &ice_ethtool_ops; 4327 } 4328