1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 /* ethtool support for ice */ 5 6 #include "ice.h" 7 #include "ice_ethtool.h" 8 #include "ice_flow.h" 9 #include "ice_fltr.h" 10 #include "ice_lib.h" 11 #include "ice_dcb_lib.h" 12 #include <net/dcbnl.h> 13 14 struct ice_stats { 15 char stat_string[ETH_GSTRING_LEN]; 16 int sizeof_stat; 17 int stat_offset; 18 }; 19 20 #define ICE_STAT(_type, _name, _stat) { \ 21 .stat_string = _name, \ 22 .sizeof_stat = sizeof_field(_type, _stat), \ 23 .stat_offset = offsetof(_type, _stat) \ 24 } 25 26 #define ICE_VSI_STAT(_name, _stat) \ 27 ICE_STAT(struct ice_vsi, _name, _stat) 28 #define ICE_PF_STAT(_name, _stat) \ 29 ICE_STAT(struct ice_pf, _name, _stat) 30 31 static int ice_q_stats_len(struct net_device *netdev) 32 { 33 struct ice_netdev_priv *np = netdev_priv(netdev); 34 35 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 36 (sizeof(struct ice_q_stats) / sizeof(u64))); 37 } 38 39 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 40 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 41 42 #define ICE_PFC_STATS_LEN ( \ 43 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \ 44 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \ 45 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \ 46 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \ 47 / sizeof(u64)) 48 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 49 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 50 51 static const struct ice_stats ice_gstrings_vsi_stats[] = { 52 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 53 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 54 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 55 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 56 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 57 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 58 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 59 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 60 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 61 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 62 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 63 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 64 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 65 ICE_VSI_STAT("tx_linearize", tx_linearize), 66 ICE_VSI_STAT("tx_busy", tx_busy), 67 ICE_VSI_STAT("tx_restart", tx_restart), 68 }; 69 70 enum ice_ethtool_test_id { 71 ICE_ETH_TEST_REG = 0, 72 ICE_ETH_TEST_EEPROM, 73 ICE_ETH_TEST_INTR, 74 ICE_ETH_TEST_LOOP, 75 ICE_ETH_TEST_LINK, 76 }; 77 78 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 79 "Register test (offline)", 80 "EEPROM test (offline)", 81 "Interrupt test (offline)", 82 "Loopback test (offline)", 83 "Link test (on/offline)", 84 }; 85 86 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 87 88 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 89 * but they aren't. This device is capable of supporting multiple 90 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 91 * netdevs whereas the PF_STATs are for the physical function that's 92 * hosting these netdevs. 93 * 94 * The PF_STATs are appended to the netdev stats only when ethtool -S 95 * is queried on the base PF netdev. 96 */ 97 static const struct ice_stats ice_gstrings_pf_stats[] = { 98 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 99 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 100 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 101 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 102 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 103 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 104 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 105 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 106 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 107 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count), 108 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 109 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 110 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 111 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 112 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 113 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 114 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 115 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 116 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 117 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 118 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 119 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 120 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 121 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 122 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 123 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 124 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 125 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 126 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 127 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 128 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 129 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 130 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 131 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 132 ICE_PF_STAT("rx_eipe_error.nic", hw_rx_eipe_error), 133 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 134 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 135 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 136 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 137 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 138 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), 139 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), 140 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped), 141 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts), 142 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed), 143 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded), 144 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates), 145 }; 146 147 static const u32 ice_regs_dump_list[] = { 148 PFGEN_STATE, 149 PRTGEN_STATUS, 150 QRX_CTRL(0), 151 QINT_TQCTL(0), 152 QINT_RQCTL(0), 153 PFINT_OICR_ENA, 154 QRX_ITR(0), 155 #define GLDCB_TLPM_PCI_DM 0x000A0180 156 GLDCB_TLPM_PCI_DM, 157 #define GLDCB_TLPM_TC2PFC 0x000A0194 158 GLDCB_TLPM_TC2PFC, 159 #define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4)) 160 TCDCB_TLPM_WAIT_DM(0), 161 TCDCB_TLPM_WAIT_DM(1), 162 TCDCB_TLPM_WAIT_DM(2), 163 TCDCB_TLPM_WAIT_DM(3), 164 TCDCB_TLPM_WAIT_DM(4), 165 TCDCB_TLPM_WAIT_DM(5), 166 TCDCB_TLPM_WAIT_DM(6), 167 TCDCB_TLPM_WAIT_DM(7), 168 TCDCB_TLPM_WAIT_DM(8), 169 TCDCB_TLPM_WAIT_DM(9), 170 TCDCB_TLPM_WAIT_DM(10), 171 TCDCB_TLPM_WAIT_DM(11), 172 TCDCB_TLPM_WAIT_DM(12), 173 TCDCB_TLPM_WAIT_DM(13), 174 TCDCB_TLPM_WAIT_DM(14), 175 TCDCB_TLPM_WAIT_DM(15), 176 TCDCB_TLPM_WAIT_DM(16), 177 TCDCB_TLPM_WAIT_DM(17), 178 TCDCB_TLPM_WAIT_DM(18), 179 TCDCB_TLPM_WAIT_DM(19), 180 TCDCB_TLPM_WAIT_DM(20), 181 TCDCB_TLPM_WAIT_DM(21), 182 TCDCB_TLPM_WAIT_DM(22), 183 TCDCB_TLPM_WAIT_DM(23), 184 TCDCB_TLPM_WAIT_DM(24), 185 TCDCB_TLPM_WAIT_DM(25), 186 TCDCB_TLPM_WAIT_DM(26), 187 TCDCB_TLPM_WAIT_DM(27), 188 TCDCB_TLPM_WAIT_DM(28), 189 TCDCB_TLPM_WAIT_DM(29), 190 TCDCB_TLPM_WAIT_DM(30), 191 TCDCB_TLPM_WAIT_DM(31), 192 #define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90 193 GLPCI_WATMK_CLNT_PIPEMON, 194 #define GLPCI_CUR_CLNT_COMMON 0x000BFD84 195 GLPCI_CUR_CLNT_COMMON, 196 #define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88 197 GLPCI_CUR_CLNT_PIPEMON, 198 #define GLPCI_PCIERR 0x0009DEB0 199 GLPCI_PCIERR, 200 #define GLPSM_DEBUG_CTL_STATUS 0x000B0600 201 GLPSM_DEBUG_CTL_STATUS, 202 #define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680 203 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT, 204 #define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684 205 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT, 206 #define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688 207 GLPSM0_DEBUG_DT_OUT_OF_WINDOW, 208 #define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C 209 GLPSM0_DEBUG_INTF_HW_ERROR_DETECT, 210 #define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0 211 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT, 212 #define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80 213 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT, 214 #define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84 215 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT, 216 #define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88 217 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT, 218 #define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C 219 GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT, 220 #define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90 221 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT, 222 #define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680 223 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT, 224 #define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684 225 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT, 226 #define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688 227 GLPSM2_DEBUG_MISC_HW_ERROR_DETECT, 228 #define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4)) 229 GLTDPU_TCLAN_COMP_BOB(1), 230 GLTDPU_TCLAN_COMP_BOB(2), 231 GLTDPU_TCLAN_COMP_BOB(3), 232 GLTDPU_TCLAN_COMP_BOB(4), 233 GLTDPU_TCLAN_COMP_BOB(5), 234 GLTDPU_TCLAN_COMP_BOB(6), 235 GLTDPU_TCLAN_COMP_BOB(7), 236 GLTDPU_TCLAN_COMP_BOB(8), 237 #define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4)) 238 GLTDPU_TCB_CMD_BOB(1), 239 GLTDPU_TCB_CMD_BOB(2), 240 GLTDPU_TCB_CMD_BOB(3), 241 GLTDPU_TCB_CMD_BOB(4), 242 GLTDPU_TCB_CMD_BOB(5), 243 GLTDPU_TCB_CMD_BOB(6), 244 GLTDPU_TCB_CMD_BOB(7), 245 GLTDPU_TCB_CMD_BOB(8), 246 #define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4)) 247 GLTDPU_PSM_UPDATE_BOB(1), 248 GLTDPU_PSM_UPDATE_BOB(2), 249 GLTDPU_PSM_UPDATE_BOB(3), 250 GLTDPU_PSM_UPDATE_BOB(4), 251 GLTDPU_PSM_UPDATE_BOB(5), 252 GLTDPU_PSM_UPDATE_BOB(6), 253 GLTDPU_PSM_UPDATE_BOB(7), 254 GLTDPU_PSM_UPDATE_BOB(8), 255 #define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4)) 256 GLTCB_CMD_IN_BOB(1), 257 GLTCB_CMD_IN_BOB(2), 258 GLTCB_CMD_IN_BOB(3), 259 GLTCB_CMD_IN_BOB(4), 260 GLTCB_CMD_IN_BOB(5), 261 GLTCB_CMD_IN_BOB(6), 262 GLTCB_CMD_IN_BOB(7), 263 GLTCB_CMD_IN_BOB(8), 264 #define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4)) 265 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1), 266 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2), 267 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3), 268 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4), 269 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5), 270 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6), 271 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7), 272 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8), 273 #define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4)) 274 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1), 275 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2), 276 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3), 277 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4), 278 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5), 279 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6), 280 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7), 281 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8), 282 #define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4)) 283 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1), 284 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2), 285 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3), 286 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4), 287 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5), 288 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6), 289 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7), 290 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8), 291 #define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4)) 292 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1), 293 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2), 294 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3), 295 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4), 296 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5), 297 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6), 298 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7), 299 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8), 300 #define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4)) 301 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1), 302 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2), 303 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3), 304 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4), 305 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5), 306 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6), 307 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7), 308 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8), 309 #define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4)) 310 PRTDCB_TCUPM_REG_CM(0), 311 PRTDCB_TCUPM_REG_CM(1), 312 PRTDCB_TCUPM_REG_CM(2), 313 PRTDCB_TCUPM_REG_CM(3), 314 #define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4)) 315 PRTDCB_TCUPM_REG_DM(0), 316 PRTDCB_TCUPM_REG_DM(1), 317 PRTDCB_TCUPM_REG_DM(2), 318 PRTDCB_TCUPM_REG_DM(3), 319 #define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4)) 320 PRTDCB_TLPM_REG_DM(0), 321 PRTDCB_TLPM_REG_DM(1), 322 PRTDCB_TLPM_REG_DM(2), 323 PRTDCB_TLPM_REG_DM(3), 324 }; 325 326 struct ice_priv_flag { 327 char name[ETH_GSTRING_LEN]; 328 u32 bitno; /* bit position in pf->flags */ 329 }; 330 331 #define ICE_PRIV_FLAG(_name, _bitno) { \ 332 .name = _name, \ 333 .bitno = _bitno, \ 334 } 335 336 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 337 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 338 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 339 ICE_PRIV_FLAG("vf-true-promisc-support", 340 ICE_FLAG_VF_TRUE_PROMISC_ENA), 341 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 342 ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING), 343 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), 344 }; 345 346 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 347 348 static const u32 ice_adv_lnk_speed_100[] __initconst = { 349 ETHTOOL_LINK_MODE_100baseT_Full_BIT, 350 }; 351 352 static const u32 ice_adv_lnk_speed_1000[] __initconst = { 353 ETHTOOL_LINK_MODE_1000baseX_Full_BIT, 354 ETHTOOL_LINK_MODE_1000baseT_Full_BIT, 355 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, 356 }; 357 358 static const u32 ice_adv_lnk_speed_2500[] __initconst = { 359 ETHTOOL_LINK_MODE_2500baseT_Full_BIT, 360 ETHTOOL_LINK_MODE_2500baseX_Full_BIT, 361 }; 362 363 static const u32 ice_adv_lnk_speed_5000[] __initconst = { 364 ETHTOOL_LINK_MODE_5000baseT_Full_BIT, 365 }; 366 367 static const u32 ice_adv_lnk_speed_10000[] __initconst = { 368 ETHTOOL_LINK_MODE_10000baseT_Full_BIT, 369 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, 370 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, 371 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, 372 }; 373 374 static const u32 ice_adv_lnk_speed_25000[] __initconst = { 375 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, 376 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, 377 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, 378 }; 379 380 static const u32 ice_adv_lnk_speed_40000[] __initconst = { 381 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, 382 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, 383 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, 384 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, 385 }; 386 387 static const u32 ice_adv_lnk_speed_50000[] __initconst = { 388 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, 389 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, 390 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, 391 }; 392 393 static const u32 ice_adv_lnk_speed_100000[] __initconst = { 394 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, 395 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, 396 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, 397 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, 398 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT, 399 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT, 400 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT, 401 }; 402 403 static const u32 ice_adv_lnk_speed_200000[] __initconst = { 404 ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT, 405 ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT, 406 ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT, 407 ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT, 408 ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT, 409 }; 410 411 static struct ethtool_forced_speed_map ice_adv_lnk_speed_maps[] __ro_after_init = { 412 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100), 413 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 1000), 414 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 2500), 415 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 5000), 416 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 10000), 417 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 25000), 418 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 40000), 419 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 50000), 420 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100000), 421 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 200000), 422 }; 423 424 void __init ice_adv_lnk_speed_maps_init(void) 425 { 426 ethtool_forced_speed_maps_init(ice_adv_lnk_speed_maps, 427 ARRAY_SIZE(ice_adv_lnk_speed_maps)); 428 } 429 430 static void 431 __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo, 432 struct ice_vsi *vsi) 433 { 434 struct ice_pf *pf = vsi->back; 435 struct ice_hw *hw = &pf->hw; 436 struct ice_orom_info *orom; 437 struct ice_nvm_info *nvm; 438 439 nvm = &hw->flash.nvm; 440 orom = &hw->flash.orom; 441 442 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 443 444 /* Display NVM version (from which the firmware version can be 445 * determined) which contains more pertinent information. 446 */ 447 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 448 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor, 449 nvm->eetrack, orom->major, orom->build, orom->patch); 450 451 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 452 sizeof(drvinfo->bus_info)); 453 } 454 455 static void 456 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 457 { 458 struct ice_netdev_priv *np = netdev_priv(netdev); 459 460 __ice_get_drvinfo(netdev, drvinfo, np->vsi); 461 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 462 } 463 464 static int ice_get_regs_len(struct net_device __always_unused *netdev) 465 { 466 return sizeof(ice_regs_dump_list); 467 } 468 469 static void 470 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 471 { 472 struct ice_netdev_priv *np = netdev_priv(netdev); 473 struct ice_pf *pf = np->vsi->back; 474 struct ice_hw *hw = &pf->hw; 475 u32 *regs_buf = (u32 *)p; 476 unsigned int i; 477 478 regs->version = 1; 479 480 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 481 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 482 } 483 484 static u32 ice_get_msglevel(struct net_device *netdev) 485 { 486 struct ice_netdev_priv *np = netdev_priv(netdev); 487 struct ice_pf *pf = np->vsi->back; 488 489 #ifndef CONFIG_DYNAMIC_DEBUG 490 if (pf->hw.debug_mask) 491 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 492 pf->hw.debug_mask); 493 #endif /* !CONFIG_DYNAMIC_DEBUG */ 494 495 return pf->msg_enable; 496 } 497 498 static void ice_set_msglevel(struct net_device *netdev, u32 data) 499 { 500 struct ice_netdev_priv *np = netdev_priv(netdev); 501 struct ice_pf *pf = np->vsi->back; 502 503 #ifndef CONFIG_DYNAMIC_DEBUG 504 if (ICE_DBG_USER & data) 505 pf->hw.debug_mask = data; 506 else 507 pf->msg_enable = data; 508 #else 509 pf->msg_enable = data; 510 #endif /* !CONFIG_DYNAMIC_DEBUG */ 511 } 512 513 static int ice_get_eeprom_len(struct net_device *netdev) 514 { 515 struct ice_netdev_priv *np = netdev_priv(netdev); 516 struct ice_pf *pf = np->vsi->back; 517 518 return (int)pf->hw.flash.flash_size; 519 } 520 521 static int 522 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 523 u8 *bytes) 524 { 525 struct ice_netdev_priv *np = netdev_priv(netdev); 526 struct ice_vsi *vsi = np->vsi; 527 struct ice_pf *pf = vsi->back; 528 struct ice_hw *hw = &pf->hw; 529 struct device *dev; 530 int ret; 531 u8 *buf; 532 533 dev = ice_pf_to_dev(pf); 534 535 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 536 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 537 eeprom->cmd, eeprom->offset, eeprom->len); 538 539 buf = kzalloc(eeprom->len, GFP_KERNEL); 540 if (!buf) 541 return -ENOMEM; 542 543 ret = ice_acquire_nvm(hw, ICE_RES_READ); 544 if (ret) { 545 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n", 546 ret, ice_aq_str(hw->adminq.sq_last_status)); 547 goto out; 548 } 549 550 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 551 false); 552 if (ret) { 553 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n", 554 ret, ice_aq_str(hw->adminq.sq_last_status)); 555 goto release; 556 } 557 558 memcpy(bytes, buf, eeprom->len); 559 release: 560 ice_release_nvm(hw); 561 out: 562 kfree(buf); 563 return ret; 564 } 565 566 /** 567 * ice_active_vfs - check if there are any active VFs 568 * @pf: board private structure 569 * 570 * Returns true if an active VF is found, otherwise returns false 571 */ 572 static bool ice_active_vfs(struct ice_pf *pf) 573 { 574 bool active = false; 575 struct ice_vf *vf; 576 unsigned int bkt; 577 578 rcu_read_lock(); 579 ice_for_each_vf_rcu(pf, bkt, vf) { 580 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 581 active = true; 582 break; 583 } 584 } 585 rcu_read_unlock(); 586 587 return active; 588 } 589 590 /** 591 * ice_link_test - perform a link test on a given net_device 592 * @netdev: network interface device structure 593 * 594 * This function performs one of the self-tests required by ethtool. 595 * Returns 0 on success, non-zero on failure. 596 */ 597 static u64 ice_link_test(struct net_device *netdev) 598 { 599 struct ice_netdev_priv *np = netdev_priv(netdev); 600 bool link_up = false; 601 int status; 602 603 netdev_info(netdev, "link test\n"); 604 status = ice_get_link_status(np->vsi->port_info, &link_up); 605 if (status) { 606 netdev_err(netdev, "link query error, status = %d\n", 607 status); 608 return 1; 609 } 610 611 if (!link_up) 612 return 2; 613 614 return 0; 615 } 616 617 /** 618 * ice_eeprom_test - perform an EEPROM test on a given net_device 619 * @netdev: network interface device structure 620 * 621 * This function performs one of the self-tests required by ethtool. 622 * Returns 0 on success, non-zero on failure. 623 */ 624 static u64 ice_eeprom_test(struct net_device *netdev) 625 { 626 struct ice_netdev_priv *np = netdev_priv(netdev); 627 struct ice_pf *pf = np->vsi->back; 628 629 netdev_info(netdev, "EEPROM test\n"); 630 return !!(ice_nvm_validate_checksum(&pf->hw)); 631 } 632 633 /** 634 * ice_reg_pattern_test 635 * @hw: pointer to the HW struct 636 * @reg: reg to be tested 637 * @mask: bits to be touched 638 */ 639 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 640 { 641 struct ice_pf *pf = (struct ice_pf *)hw->back; 642 struct device *dev = ice_pf_to_dev(pf); 643 static const u32 patterns[] = { 644 0x5A5A5A5A, 0xA5A5A5A5, 645 0x00000000, 0xFFFFFFFF 646 }; 647 u32 val, orig_val; 648 unsigned int i; 649 650 orig_val = rd32(hw, reg); 651 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 652 u32 pattern = patterns[i] & mask; 653 654 wr32(hw, reg, pattern); 655 val = rd32(hw, reg); 656 if (val == pattern) 657 continue; 658 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 659 , __func__, reg, pattern, val); 660 return 1; 661 } 662 663 wr32(hw, reg, orig_val); 664 val = rd32(hw, reg); 665 if (val != orig_val) { 666 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 667 , __func__, reg, orig_val, val); 668 return 1; 669 } 670 671 return 0; 672 } 673 674 /** 675 * ice_reg_test - perform a register test on a given net_device 676 * @netdev: network interface device structure 677 * 678 * This function performs one of the self-tests required by ethtool. 679 * Returns 0 on success, non-zero on failure. 680 */ 681 static u64 ice_reg_test(struct net_device *netdev) 682 { 683 struct ice_netdev_priv *np = netdev_priv(netdev); 684 struct ice_hw *hw = np->vsi->port_info->hw; 685 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 686 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 687 struct ice_diag_reg_test_info { 688 u32 address; 689 u32 mask; 690 u32 elem_num; 691 u32 elem_size; 692 } ice_reg_list[] = { 693 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 694 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 695 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 696 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 697 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 698 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 699 {GLINT_CTL, 0xffff0001, 1, 0} 700 }; 701 unsigned int i; 702 703 netdev_dbg(netdev, "Register test\n"); 704 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 705 u32 j; 706 707 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 708 u32 mask = ice_reg_list[i].mask; 709 u32 reg = ice_reg_list[i].address + 710 (j * ice_reg_list[i].elem_size); 711 712 /* bail on failure (non-zero return) */ 713 if (ice_reg_pattern_test(hw, reg, mask)) 714 return 1; 715 } 716 } 717 718 return 0; 719 } 720 721 /** 722 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 723 * @vsi: pointer to the VSI structure 724 * 725 * Function configures rings of a VSI for loopback test without 726 * enabling interrupts or informing the kernel about new queues. 727 * 728 * Returns 0 on success, negative on failure. 729 */ 730 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 731 { 732 int status; 733 734 status = ice_vsi_setup_tx_rings(vsi); 735 if (status) 736 goto err_setup_tx_ring; 737 738 status = ice_vsi_setup_rx_rings(vsi); 739 if (status) 740 goto err_setup_rx_ring; 741 742 status = ice_vsi_cfg_lan(vsi); 743 if (status) 744 goto err_setup_rx_ring; 745 746 status = ice_vsi_start_all_rx_rings(vsi); 747 if (status) 748 goto err_start_rx_ring; 749 750 return 0; 751 752 err_start_rx_ring: 753 ice_vsi_free_rx_rings(vsi); 754 err_setup_rx_ring: 755 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 756 err_setup_tx_ring: 757 ice_vsi_free_tx_rings(vsi); 758 759 return status; 760 } 761 762 /** 763 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 764 * @vsi: pointer to the VSI structure 765 * 766 * Function stops and frees VSI rings after a loopback test. 767 * Returns 0 on success, negative on failure. 768 */ 769 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 770 { 771 int status; 772 773 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 774 if (status) 775 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 776 vsi->vsi_num, status); 777 778 status = ice_vsi_stop_all_rx_rings(vsi); 779 if (status) 780 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 781 vsi->vsi_num, status); 782 783 ice_vsi_free_tx_rings(vsi); 784 ice_vsi_free_rx_rings(vsi); 785 786 return status; 787 } 788 789 /** 790 * ice_lbtest_create_frame - create test packet 791 * @pf: pointer to the PF structure 792 * @ret_data: allocated frame buffer 793 * @size: size of the packet data 794 * 795 * Function allocates a frame with a test pattern on specific offsets. 796 * Returns 0 on success, non-zero on failure. 797 */ 798 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 799 { 800 u8 *data; 801 802 if (!pf) 803 return -EINVAL; 804 805 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); 806 if (!data) 807 return -ENOMEM; 808 809 /* Since the ethernet test frame should always be at least 810 * 64 bytes long, fill some octets in the payload with test data. 811 */ 812 memset(data, 0xFF, size); 813 data[32] = 0xDE; 814 data[42] = 0xAD; 815 data[44] = 0xBE; 816 data[46] = 0xEF; 817 818 *ret_data = data; 819 820 return 0; 821 } 822 823 /** 824 * ice_lbtest_check_frame - verify received loopback frame 825 * @frame: pointer to the raw packet data 826 * 827 * Function verifies received test frame with a pattern. 828 * Returns true if frame matches the pattern, false otherwise. 829 */ 830 static bool ice_lbtest_check_frame(u8 *frame) 831 { 832 /* Validate bytes of a frame under offsets chosen earlier */ 833 if (frame[32] == 0xDE && 834 frame[42] == 0xAD && 835 frame[44] == 0xBE && 836 frame[46] == 0xEF && 837 frame[48] == 0xFF) 838 return true; 839 840 return false; 841 } 842 843 /** 844 * ice_diag_send - send test frames to the test ring 845 * @tx_ring: pointer to the transmit ring 846 * @data: pointer to the raw packet data 847 * @size: size of the packet to send 848 * 849 * Function sends loopback packets on a test Tx ring. 850 */ 851 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size) 852 { 853 struct ice_tx_desc *tx_desc; 854 struct ice_tx_buf *tx_buf; 855 dma_addr_t dma; 856 u64 td_cmd; 857 858 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 859 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 860 861 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 862 if (dma_mapping_error(tx_ring->dev, dma)) 863 return -EINVAL; 864 865 tx_desc->buf_addr = cpu_to_le64(dma); 866 867 /* These flags are required for a descriptor to be pushed out */ 868 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 869 tx_desc->cmd_type_offset_bsz = 870 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 871 (td_cmd << ICE_TXD_QW1_CMD_S) | 872 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 873 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 874 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 875 876 tx_buf->next_to_watch = tx_desc; 877 878 /* Force memory write to complete before letting h/w know 879 * there are new descriptors to fetch. 880 */ 881 wmb(); 882 883 tx_ring->next_to_use++; 884 if (tx_ring->next_to_use >= tx_ring->count) 885 tx_ring->next_to_use = 0; 886 887 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 888 889 /* Wait until the packets get transmitted to the receive queue. */ 890 usleep_range(1000, 2000); 891 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 892 893 return 0; 894 } 895 896 #define ICE_LB_FRAME_SIZE 64 897 /** 898 * ice_lbtest_receive_frames - receive and verify test frames 899 * @rx_ring: pointer to the receive ring 900 * 901 * Function receives loopback packets and verify their correctness. 902 * Returns number of received valid frames. 903 */ 904 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring) 905 { 906 struct ice_rx_buf *rx_buf; 907 int valid_frames, i; 908 u8 *received_buf; 909 910 valid_frames = 0; 911 912 for (i = 0; i < rx_ring->count; i++) { 913 union ice_32b_rx_flex_desc *rx_desc; 914 915 rx_desc = ICE_RX_DESC(rx_ring, i); 916 917 if (!(rx_desc->wb.status_error0 & 918 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) | 919 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S))))) 920 continue; 921 922 rx_buf = &rx_ring->rx_buf[i]; 923 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 924 925 if (ice_lbtest_check_frame(received_buf)) 926 valid_frames++; 927 } 928 929 return valid_frames; 930 } 931 932 /** 933 * ice_loopback_test - perform a loopback test on a given net_device 934 * @netdev: network interface device structure 935 * 936 * This function performs one of the self-tests required by ethtool. 937 * Returns 0 on success, non-zero on failure. 938 */ 939 static u64 ice_loopback_test(struct net_device *netdev) 940 { 941 struct ice_netdev_priv *np = netdev_priv(netdev); 942 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 943 struct ice_pf *pf = orig_vsi->back; 944 u8 broadcast[ETH_ALEN], ret = 0; 945 int num_frames, valid_frames; 946 struct ice_tx_ring *tx_ring; 947 struct ice_rx_ring *rx_ring; 948 struct device *dev; 949 u8 *tx_frame; 950 int i; 951 952 dev = ice_pf_to_dev(pf); 953 netdev_info(netdev, "loopback test\n"); 954 955 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 956 if (!test_vsi) { 957 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 958 return 1; 959 } 960 961 test_vsi->netdev = netdev; 962 tx_ring = test_vsi->tx_rings[0]; 963 rx_ring = test_vsi->rx_rings[0]; 964 965 if (ice_lbtest_prepare_rings(test_vsi)) { 966 ret = 2; 967 goto lbtest_vsi_close; 968 } 969 970 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 971 ret = 3; 972 goto lbtest_rings_dis; 973 } 974 975 /* Enable MAC loopback in firmware */ 976 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 977 ret = 4; 978 goto lbtest_mac_dis; 979 } 980 981 /* Test VSI needs to receive broadcast packets */ 982 eth_broadcast_addr(broadcast); 983 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 984 ret = 5; 985 goto lbtest_mac_dis; 986 } 987 988 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 989 ret = 7; 990 goto remove_mac_filters; 991 } 992 993 num_frames = min_t(int, tx_ring->count, 32); 994 for (i = 0; i < num_frames; i++) { 995 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 996 ret = 8; 997 goto lbtest_free_frame; 998 } 999 } 1000 1001 valid_frames = ice_lbtest_receive_frames(rx_ring); 1002 if (!valid_frames) 1003 ret = 9; 1004 else if (valid_frames != num_frames) 1005 ret = 10; 1006 1007 lbtest_free_frame: 1008 devm_kfree(dev, tx_frame); 1009 remove_mac_filters: 1010 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 1011 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 1012 lbtest_mac_dis: 1013 /* Disable MAC loopback after the test is completed. */ 1014 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 1015 netdev_err(netdev, "Could not disable MAC loopback\n"); 1016 lbtest_rings_dis: 1017 if (ice_lbtest_disable_rings(test_vsi)) 1018 netdev_err(netdev, "Could not disable test rings\n"); 1019 lbtest_vsi_close: 1020 test_vsi->netdev = NULL; 1021 if (ice_vsi_release(test_vsi)) 1022 netdev_err(netdev, "Failed to remove the test VSI\n"); 1023 1024 return ret; 1025 } 1026 1027 /** 1028 * ice_intr_test - perform an interrupt test on a given net_device 1029 * @netdev: network interface device structure 1030 * 1031 * This function performs one of the self-tests required by ethtool. 1032 * Returns 0 on success, non-zero on failure. 1033 */ 1034 static u64 ice_intr_test(struct net_device *netdev) 1035 { 1036 struct ice_netdev_priv *np = netdev_priv(netdev); 1037 struct ice_pf *pf = np->vsi->back; 1038 u16 swic_old = pf->sw_int_count; 1039 1040 netdev_info(netdev, "interrupt test\n"); 1041 1042 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index), 1043 GLINT_DYN_CTL_SW_ITR_INDX_M | 1044 GLINT_DYN_CTL_INTENA_MSK_M | 1045 GLINT_DYN_CTL_SWINT_TRIG_M); 1046 1047 usleep_range(1000, 2000); 1048 return (swic_old == pf->sw_int_count); 1049 } 1050 1051 /** 1052 * ice_self_test - handler function for performing a self-test by ethtool 1053 * @netdev: network interface device structure 1054 * @eth_test: ethtool_test structure 1055 * @data: required by ethtool.self_test 1056 * 1057 * This function is called after invoking 'ethtool -t devname' command where 1058 * devname is the name of the network device on which ethtool should operate. 1059 * It performs a set of self-tests to check if a device works properly. 1060 */ 1061 static void 1062 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 1063 u64 *data) 1064 { 1065 struct ice_netdev_priv *np = netdev_priv(netdev); 1066 bool if_running = netif_running(netdev); 1067 struct ice_pf *pf = np->vsi->back; 1068 struct device *dev; 1069 1070 dev = ice_pf_to_dev(pf); 1071 1072 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1073 netdev_info(netdev, "offline testing starting\n"); 1074 1075 set_bit(ICE_TESTING, pf->state); 1076 1077 if (ice_active_vfs(pf)) { 1078 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 1079 data[ICE_ETH_TEST_REG] = 1; 1080 data[ICE_ETH_TEST_EEPROM] = 1; 1081 data[ICE_ETH_TEST_INTR] = 1; 1082 data[ICE_ETH_TEST_LOOP] = 1; 1083 data[ICE_ETH_TEST_LINK] = 1; 1084 eth_test->flags |= ETH_TEST_FL_FAILED; 1085 clear_bit(ICE_TESTING, pf->state); 1086 goto skip_ol_tests; 1087 } 1088 /* If the device is online then take it offline */ 1089 if (if_running) 1090 /* indicate we're in test mode */ 1091 ice_stop(netdev); 1092 1093 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1094 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 1095 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 1096 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 1097 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 1098 1099 if (data[ICE_ETH_TEST_LINK] || 1100 data[ICE_ETH_TEST_EEPROM] || 1101 data[ICE_ETH_TEST_LOOP] || 1102 data[ICE_ETH_TEST_INTR] || 1103 data[ICE_ETH_TEST_REG]) 1104 eth_test->flags |= ETH_TEST_FL_FAILED; 1105 1106 clear_bit(ICE_TESTING, pf->state); 1107 1108 if (if_running) { 1109 int status = ice_open(netdev); 1110 1111 if (status) { 1112 dev_err(dev, "Could not open device %s, err %d\n", 1113 pf->int_name, status); 1114 } 1115 } 1116 } else { 1117 /* Online tests */ 1118 netdev_info(netdev, "online testing starting\n"); 1119 1120 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1121 if (data[ICE_ETH_TEST_LINK]) 1122 eth_test->flags |= ETH_TEST_FL_FAILED; 1123 1124 /* Offline only tests, not run in online; pass by default */ 1125 data[ICE_ETH_TEST_REG] = 0; 1126 data[ICE_ETH_TEST_EEPROM] = 0; 1127 data[ICE_ETH_TEST_INTR] = 0; 1128 data[ICE_ETH_TEST_LOOP] = 0; 1129 } 1130 1131 skip_ol_tests: 1132 netdev_info(netdev, "testing finished\n"); 1133 } 1134 1135 static void 1136 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data, 1137 struct ice_vsi *vsi) 1138 { 1139 unsigned int i; 1140 u8 *p = data; 1141 1142 switch (stringset) { 1143 case ETH_SS_STATS: 1144 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 1145 ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string); 1146 1147 if (ice_is_port_repr_netdev(netdev)) 1148 return; 1149 1150 ice_for_each_alloc_txq(vsi, i) { 1151 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 1152 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 1153 } 1154 1155 ice_for_each_alloc_rxq(vsi, i) { 1156 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 1157 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 1158 } 1159 1160 if (vsi->type != ICE_VSI_PF) 1161 return; 1162 1163 for (i = 0; i < ICE_PF_STATS_LEN; i++) 1164 ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string); 1165 1166 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1167 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 1168 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 1169 } 1170 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1171 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 1172 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 1173 } 1174 break; 1175 case ETH_SS_TEST: 1176 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 1177 break; 1178 case ETH_SS_PRIV_FLAGS: 1179 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 1180 ethtool_puts(&p, ice_gstrings_priv_flags[i].name); 1181 break; 1182 default: 1183 break; 1184 } 1185 } 1186 1187 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 1188 { 1189 struct ice_netdev_priv *np = netdev_priv(netdev); 1190 1191 __ice_get_strings(netdev, stringset, data, np->vsi); 1192 } 1193 1194 static int 1195 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 1196 { 1197 struct ice_netdev_priv *np = netdev_priv(netdev); 1198 bool led_active; 1199 1200 switch (state) { 1201 case ETHTOOL_ID_ACTIVE: 1202 led_active = true; 1203 break; 1204 case ETHTOOL_ID_INACTIVE: 1205 led_active = false; 1206 break; 1207 default: 1208 return -EINVAL; 1209 } 1210 1211 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 1212 return -EIO; 1213 1214 return 0; 1215 } 1216 1217 /** 1218 * ice_set_fec_cfg - Set link FEC options 1219 * @netdev: network interface device structure 1220 * @req_fec: FEC mode to configure 1221 */ 1222 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 1223 { 1224 struct ice_netdev_priv *np = netdev_priv(netdev); 1225 struct ice_aqc_set_phy_cfg_data config = { 0 }; 1226 struct ice_vsi *vsi = np->vsi; 1227 struct ice_port_info *pi; 1228 1229 pi = vsi->port_info; 1230 if (!pi) 1231 return -EOPNOTSUPP; 1232 1233 /* Changing the FEC parameters is not supported if not the PF VSI */ 1234 if (vsi->type != ICE_VSI_PF) { 1235 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 1236 return -EOPNOTSUPP; 1237 } 1238 1239 /* Proceed only if requesting different FEC mode */ 1240 if (pi->phy.curr_user_fec_req == req_fec) 1241 return 0; 1242 1243 /* Copy the current user PHY configuration. The current user PHY 1244 * configuration is initialized during probe from PHY capabilities 1245 * software mode, and updated on set PHY configuration. 1246 */ 1247 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 1248 1249 ice_cfg_phy_fec(pi, &config, req_fec); 1250 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1251 1252 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1253 return -EAGAIN; 1254 1255 /* Save requested FEC config */ 1256 pi->phy.curr_user_fec_req = req_fec; 1257 1258 return 0; 1259 } 1260 1261 /** 1262 * ice_set_fecparam - Set FEC link options 1263 * @netdev: network interface device structure 1264 * @fecparam: Ethtool structure to retrieve FEC parameters 1265 */ 1266 static int 1267 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1268 { 1269 struct ice_netdev_priv *np = netdev_priv(netdev); 1270 struct ice_vsi *vsi = np->vsi; 1271 enum ice_fec_mode fec; 1272 1273 switch (fecparam->fec) { 1274 case ETHTOOL_FEC_AUTO: 1275 fec = ICE_FEC_AUTO; 1276 break; 1277 case ETHTOOL_FEC_RS: 1278 fec = ICE_FEC_RS; 1279 break; 1280 case ETHTOOL_FEC_BASER: 1281 fec = ICE_FEC_BASER; 1282 break; 1283 case ETHTOOL_FEC_OFF: 1284 case ETHTOOL_FEC_NONE: 1285 fec = ICE_FEC_NONE; 1286 break; 1287 default: 1288 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1289 fecparam->fec); 1290 return -EINVAL; 1291 } 1292 1293 return ice_set_fec_cfg(netdev, fec); 1294 } 1295 1296 /** 1297 * ice_get_fecparam - Get link FEC options 1298 * @netdev: network interface device structure 1299 * @fecparam: Ethtool structure to retrieve FEC parameters 1300 */ 1301 static int 1302 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1303 { 1304 struct ice_netdev_priv *np = netdev_priv(netdev); 1305 struct ice_aqc_get_phy_caps_data *caps; 1306 struct ice_link_status *link_info; 1307 struct ice_vsi *vsi = np->vsi; 1308 struct ice_port_info *pi; 1309 int err; 1310 1311 pi = vsi->port_info; 1312 1313 if (!pi) 1314 return -EOPNOTSUPP; 1315 link_info = &pi->phy.link_info; 1316 1317 /* Set FEC mode based on negotiated link info */ 1318 switch (link_info->fec_info) { 1319 case ICE_AQ_LINK_25G_KR_FEC_EN: 1320 fecparam->active_fec = ETHTOOL_FEC_BASER; 1321 break; 1322 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1323 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1324 fecparam->active_fec = ETHTOOL_FEC_RS; 1325 break; 1326 default: 1327 fecparam->active_fec = ETHTOOL_FEC_OFF; 1328 break; 1329 } 1330 1331 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1332 if (!caps) 1333 return -ENOMEM; 1334 1335 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1336 caps, NULL); 1337 if (err) 1338 goto done; 1339 1340 /* Set supported/configured FEC modes based on PHY capability */ 1341 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1342 fecparam->fec |= ETHTOOL_FEC_AUTO; 1343 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1344 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1345 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1346 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1347 fecparam->fec |= ETHTOOL_FEC_BASER; 1348 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1349 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1350 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1351 fecparam->fec |= ETHTOOL_FEC_RS; 1352 if (caps->link_fec_options == 0) 1353 fecparam->fec |= ETHTOOL_FEC_OFF; 1354 1355 done: 1356 kfree(caps); 1357 return err; 1358 } 1359 1360 /** 1361 * ice_nway_reset - restart autonegotiation 1362 * @netdev: network interface device structure 1363 */ 1364 static int ice_nway_reset(struct net_device *netdev) 1365 { 1366 struct ice_netdev_priv *np = netdev_priv(netdev); 1367 struct ice_vsi *vsi = np->vsi; 1368 int err; 1369 1370 /* If VSI state is up, then restart autoneg with link up */ 1371 if (!test_bit(ICE_DOWN, vsi->back->state)) 1372 err = ice_set_link(vsi, true); 1373 else 1374 err = ice_set_link(vsi, false); 1375 1376 return err; 1377 } 1378 1379 /** 1380 * ice_get_priv_flags - report device private flags 1381 * @netdev: network interface device structure 1382 * 1383 * The get string set count and the string set should be matched for each 1384 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1385 * array. 1386 * 1387 * Returns a u32 bitmap of flags. 1388 */ 1389 static u32 ice_get_priv_flags(struct net_device *netdev) 1390 { 1391 struct ice_netdev_priv *np = netdev_priv(netdev); 1392 struct ice_vsi *vsi = np->vsi; 1393 struct ice_pf *pf = vsi->back; 1394 u32 i, ret_flags = 0; 1395 1396 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1397 const struct ice_priv_flag *priv_flag; 1398 1399 priv_flag = &ice_gstrings_priv_flags[i]; 1400 1401 if (test_bit(priv_flag->bitno, pf->flags)) 1402 ret_flags |= BIT(i); 1403 } 1404 1405 return ret_flags; 1406 } 1407 1408 /** 1409 * ice_set_priv_flags - set private flags 1410 * @netdev: network interface device structure 1411 * @flags: bit flags to be set 1412 */ 1413 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1414 { 1415 struct ice_netdev_priv *np = netdev_priv(netdev); 1416 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1417 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1418 struct ice_vsi *vsi = np->vsi; 1419 struct ice_pf *pf = vsi->back; 1420 struct device *dev; 1421 int ret = 0; 1422 u32 i; 1423 1424 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1425 return -EINVAL; 1426 1427 dev = ice_pf_to_dev(pf); 1428 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1429 1430 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1431 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1432 const struct ice_priv_flag *priv_flag; 1433 1434 priv_flag = &ice_gstrings_priv_flags[i]; 1435 1436 if (flags & BIT(i)) 1437 set_bit(priv_flag->bitno, pf->flags); 1438 else 1439 clear_bit(priv_flag->bitno, pf->flags); 1440 } 1441 1442 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1443 1444 /* Do not allow change to link-down-on-close when Total Port Shutdown 1445 * is enabled. 1446 */ 1447 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1448 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1449 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1450 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1451 ret = -EINVAL; 1452 goto ethtool_exit; 1453 } 1454 1455 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1456 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1457 int status; 1458 1459 /* Disable FW LLDP engine */ 1460 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1461 1462 /* If unregistering for LLDP events fails, this is 1463 * not an error state, as there shouldn't be any 1464 * events to respond to. 1465 */ 1466 if (status) 1467 dev_info(dev, "Failed to unreg for LLDP events\n"); 1468 1469 /* The AQ call to stop the FW LLDP agent will generate 1470 * an error if the agent is already stopped. 1471 */ 1472 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1473 if (status) 1474 dev_warn(dev, "Fail to stop LLDP agent\n"); 1475 /* Use case for having the FW LLDP agent stopped 1476 * will likely not need DCB, so failure to init is 1477 * not a concern of ethtool 1478 */ 1479 status = ice_init_pf_dcb(pf, true); 1480 if (status) 1481 dev_warn(dev, "Fail to init DCB\n"); 1482 1483 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1484 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1485 } else { 1486 bool dcbx_agent_status; 1487 int status; 1488 1489 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { 1490 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); 1491 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); 1492 ret = -EOPNOTSUPP; 1493 goto ethtool_exit; 1494 } 1495 1496 /* Remove rule to direct LLDP packets to default VSI. 1497 * The FW LLDP engine will now be consuming them. 1498 */ 1499 ice_cfg_sw_lldp(vsi, false, false); 1500 1501 /* AQ command to start FW LLDP agent will return an 1502 * error if the agent is already started 1503 */ 1504 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1505 if (status) 1506 dev_warn(dev, "Fail to start LLDP Agent\n"); 1507 1508 /* AQ command to start FW DCBX agent will fail if 1509 * the agent is already started 1510 */ 1511 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1512 &dcbx_agent_status, 1513 NULL); 1514 if (status) 1515 dev_dbg(dev, "Failed to start FW DCBX\n"); 1516 1517 dev_info(dev, "FW DCBX agent is %s\n", 1518 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1519 1520 /* Failure to configure MIB change or init DCB is not 1521 * relevant to ethtool. Print notification that 1522 * registration/init failed but do not return error 1523 * state to ethtool 1524 */ 1525 status = ice_init_pf_dcb(pf, true); 1526 if (status) 1527 dev_dbg(dev, "Fail to init DCB\n"); 1528 1529 /* Register for MIB change events */ 1530 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1531 if (status) 1532 dev_dbg(dev, "Fail to enable MIB change events\n"); 1533 1534 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1535 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1536 1537 ice_nway_reset(netdev); 1538 } 1539 } 1540 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1541 /* down and up VSI so that changes of Rx cfg are reflected. */ 1542 ice_down_up(vsi); 1543 } 1544 /* don't allow modification of this flag when a single VF is in 1545 * promiscuous mode because it's not supported 1546 */ 1547 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1548 ice_is_any_vf_in_unicast_promisc(pf)) { 1549 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1550 /* toggle bit back to previous state */ 1551 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1552 ret = -EAGAIN; 1553 } 1554 1555 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) && 1556 ice_has_vfs(pf)) { 1557 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n"); 1558 /* toggle bit back to previous state */ 1559 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags); 1560 ret = -EOPNOTSUPP; 1561 } 1562 ethtool_exit: 1563 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1564 return ret; 1565 } 1566 1567 static int ice_get_sset_count(struct net_device *netdev, int sset) 1568 { 1569 switch (sset) { 1570 case ETH_SS_STATS: 1571 /* The number (and order) of strings reported *must* remain 1572 * constant for a given netdevice. This function must not 1573 * report a different number based on run time parameters 1574 * (such as the number of queues in use, or the setting of 1575 * a private ethtool flag). This is due to the nature of the 1576 * ethtool stats API. 1577 * 1578 * Userspace programs such as ethtool must make 3 separate 1579 * ioctl requests, one for size, one for the strings, and 1580 * finally one for the stats. Since these cross into 1581 * userspace, changes to the number or size could result in 1582 * undefined memory access or incorrect string<->value 1583 * correlations for statistics. 1584 * 1585 * Even if it appears to be safe, changes to the size or 1586 * order of strings will suffer from race conditions and are 1587 * not safe. 1588 */ 1589 return ICE_ALL_STATS_LEN(netdev); 1590 case ETH_SS_TEST: 1591 return ICE_TEST_LEN; 1592 case ETH_SS_PRIV_FLAGS: 1593 return ICE_PRIV_FLAG_ARRAY_SIZE; 1594 default: 1595 return -EOPNOTSUPP; 1596 } 1597 } 1598 1599 static void 1600 __ice_get_ethtool_stats(struct net_device *netdev, 1601 struct ethtool_stats __always_unused *stats, u64 *data, 1602 struct ice_vsi *vsi) 1603 { 1604 struct ice_pf *pf = vsi->back; 1605 struct ice_tx_ring *tx_ring; 1606 struct ice_rx_ring *rx_ring; 1607 unsigned int j; 1608 int i = 0; 1609 char *p; 1610 1611 ice_update_pf_stats(pf); 1612 ice_update_vsi_stats(vsi); 1613 1614 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1615 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1616 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1617 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1618 } 1619 1620 if (ice_is_port_repr_netdev(netdev)) 1621 return; 1622 1623 /* populate per queue stats */ 1624 rcu_read_lock(); 1625 1626 ice_for_each_alloc_txq(vsi, j) { 1627 tx_ring = READ_ONCE(vsi->tx_rings[j]); 1628 if (tx_ring && tx_ring->ring_stats) { 1629 data[i++] = tx_ring->ring_stats->stats.pkts; 1630 data[i++] = tx_ring->ring_stats->stats.bytes; 1631 } else { 1632 data[i++] = 0; 1633 data[i++] = 0; 1634 } 1635 } 1636 1637 ice_for_each_alloc_rxq(vsi, j) { 1638 rx_ring = READ_ONCE(vsi->rx_rings[j]); 1639 if (rx_ring && rx_ring->ring_stats) { 1640 data[i++] = rx_ring->ring_stats->stats.pkts; 1641 data[i++] = rx_ring->ring_stats->stats.bytes; 1642 } else { 1643 data[i++] = 0; 1644 data[i++] = 0; 1645 } 1646 } 1647 1648 rcu_read_unlock(); 1649 1650 if (vsi->type != ICE_VSI_PF) 1651 return; 1652 1653 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1654 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1655 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1656 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1657 } 1658 1659 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1660 data[i++] = pf->stats.priority_xon_tx[j]; 1661 data[i++] = pf->stats.priority_xoff_tx[j]; 1662 } 1663 1664 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1665 data[i++] = pf->stats.priority_xon_rx[j]; 1666 data[i++] = pf->stats.priority_xoff_rx[j]; 1667 } 1668 } 1669 1670 static void 1671 ice_get_ethtool_stats(struct net_device *netdev, 1672 struct ethtool_stats __always_unused *stats, u64 *data) 1673 { 1674 struct ice_netdev_priv *np = netdev_priv(netdev); 1675 1676 __ice_get_ethtool_stats(netdev, stats, data, np->vsi); 1677 } 1678 1679 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1680 ICE_PHY_TYPE_LOW_100M_SGMII) 1681 1682 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1683 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1684 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1685 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1686 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1687 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1688 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1689 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1690 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1691 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1692 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1693 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1694 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1695 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1696 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1697 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1698 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1699 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1700 1701 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1702 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1703 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1704 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1705 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1706 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1707 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1708 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1709 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1710 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1711 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1712 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1713 ICE_PHY_TYPE_LOW_100GBASE_DR) 1714 1715 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1716 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1717 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1718 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1719 ICE_PHY_TYPE_HIGH_100G_AUI2) 1720 1721 #define ICE_PHY_TYPE_HIGH_MASK_200G (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \ 1722 ICE_PHY_TYPE_HIGH_200G_SR4 | \ 1723 ICE_PHY_TYPE_HIGH_200G_FR4 | \ 1724 ICE_PHY_TYPE_HIGH_200G_LR4 | \ 1725 ICE_PHY_TYPE_HIGH_200G_DR4 | \ 1726 ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \ 1727 ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \ 1728 ICE_PHY_TYPE_HIGH_200G_AUI4) 1729 1730 /** 1731 * ice_mask_min_supported_speeds 1732 * @hw: pointer to the HW structure 1733 * @phy_types_high: PHY type high 1734 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1735 * 1736 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1737 * for ethtool supported link mode. 1738 */ 1739 static void 1740 ice_mask_min_supported_speeds(struct ice_hw *hw, 1741 u64 phy_types_high, u64 *phy_types_low) 1742 { 1743 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1744 if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) || 1745 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) || 1746 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G)) 1747 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1748 else if (!ice_is_100m_speed_supported(hw)) 1749 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1750 } 1751 1752 /** 1753 * ice_linkmode_set_bit - set link mode bit 1754 * @phy_to_ethtool: PHY type to ethtool link mode struct to set 1755 * @ks: ethtool link ksettings struct to fill out 1756 * @req_speeds: speed requested by user 1757 * @advert_phy_type: advertised PHY type 1758 * @phy_type: PHY type 1759 */ 1760 static void 1761 ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool, 1762 struct ethtool_link_ksettings *ks, u32 req_speeds, 1763 u64 advert_phy_type, u32 phy_type) 1764 { 1765 linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported); 1766 1767 if (req_speeds & phy_to_ethtool->aq_link_speed || 1768 (!req_speeds && advert_phy_type & BIT(phy_type))) 1769 linkmode_set_bit(phy_to_ethtool->link_mode, 1770 ks->link_modes.advertising); 1771 } 1772 1773 /** 1774 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1775 * @netdev: network interface device structure 1776 * @ks: ethtool link ksettings struct to fill out 1777 */ 1778 static void 1779 ice_phy_type_to_ethtool(struct net_device *netdev, 1780 struct ethtool_link_ksettings *ks) 1781 { 1782 struct ice_netdev_priv *np = netdev_priv(netdev); 1783 struct ice_vsi *vsi = np->vsi; 1784 struct ice_pf *pf = vsi->back; 1785 u64 advert_phy_type_lo = 0; 1786 u64 advert_phy_type_hi = 0; 1787 u64 phy_types_high = 0; 1788 u64 phy_types_low = 0; 1789 u32 req_speeds; 1790 u32 i; 1791 1792 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1793 1794 /* Check if lenient mode is supported and enabled, or in strict mode. 1795 * 1796 * In lenient mode the Supported link modes are the PHY types without 1797 * media. The Advertising link mode is either 1. the user requested 1798 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1799 * 1800 * In strict mode Supported link mode are the PHY type with media, 1801 * and Advertising link modes are the media PHY type or the speed 1802 * requested by user. 1803 */ 1804 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1805 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1806 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1807 1808 ice_mask_min_supported_speeds(&pf->hw, phy_types_high, 1809 &phy_types_low); 1810 /* determine advertised modes based on link override only 1811 * if it's supported and if the FW doesn't abstract the 1812 * driver from having to account for link overrides 1813 */ 1814 if (ice_fw_supports_link_override(&pf->hw) && 1815 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 1816 struct ice_link_default_override_tlv *ldo; 1817 1818 ldo = &pf->link_dflt_override; 1819 /* If override enabled and PHY mask set, then 1820 * Advertising link mode is the intersection of the PHY 1821 * types without media and the override PHY mask. 1822 */ 1823 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1824 (ldo->phy_type_low || ldo->phy_type_high)) { 1825 advert_phy_type_lo = 1826 le64_to_cpu(pf->nvm_phy_type_lo) & 1827 ldo->phy_type_low; 1828 advert_phy_type_hi = 1829 le64_to_cpu(pf->nvm_phy_type_hi) & 1830 ldo->phy_type_high; 1831 } 1832 } 1833 } else { 1834 /* strict mode */ 1835 phy_types_low = vsi->port_info->phy.phy_type_low; 1836 phy_types_high = vsi->port_info->phy.phy_type_high; 1837 } 1838 1839 /* If Advertising link mode PHY type is not using override PHY type, 1840 * then use PHY type with media. 1841 */ 1842 if (!advert_phy_type_lo && !advert_phy_type_hi) { 1843 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 1844 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 1845 } 1846 1847 linkmode_zero(ks->link_modes.supported); 1848 linkmode_zero(ks->link_modes.advertising); 1849 1850 for (i = 0; i < ARRAY_SIZE(phy_type_low_lkup); i++) { 1851 if (phy_types_low & BIT_ULL(i)) 1852 ice_linkmode_set_bit(&phy_type_low_lkup[i], ks, 1853 req_speeds, advert_phy_type_lo, 1854 i); 1855 } 1856 1857 for (i = 0; i < ARRAY_SIZE(phy_type_high_lkup); i++) { 1858 if (phy_types_high & BIT_ULL(i)) 1859 ice_linkmode_set_bit(&phy_type_high_lkup[i], ks, 1860 req_speeds, advert_phy_type_hi, 1861 i); 1862 } 1863 } 1864 1865 #define TEST_SET_BITS_TIMEOUT 50 1866 #define TEST_SET_BITS_SLEEP_MAX 2000 1867 #define TEST_SET_BITS_SLEEP_MIN 1000 1868 1869 /** 1870 * ice_get_settings_link_up - Get Link settings for when link is up 1871 * @ks: ethtool ksettings to fill in 1872 * @netdev: network interface device structure 1873 */ 1874 static void 1875 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1876 struct net_device *netdev) 1877 { 1878 struct ice_netdev_priv *np = netdev_priv(netdev); 1879 struct ice_port_info *pi = np->vsi->port_info; 1880 struct ice_link_status *link_info; 1881 struct ice_vsi *vsi = np->vsi; 1882 1883 link_info = &vsi->port_info->phy.link_info; 1884 1885 /* Get supported and advertised settings from PHY ability with media */ 1886 ice_phy_type_to_ethtool(netdev, ks); 1887 1888 switch (link_info->link_speed) { 1889 case ICE_AQ_LINK_SPEED_200GB: 1890 ks->base.speed = SPEED_200000; 1891 break; 1892 case ICE_AQ_LINK_SPEED_100GB: 1893 ks->base.speed = SPEED_100000; 1894 break; 1895 case ICE_AQ_LINK_SPEED_50GB: 1896 ks->base.speed = SPEED_50000; 1897 break; 1898 case ICE_AQ_LINK_SPEED_40GB: 1899 ks->base.speed = SPEED_40000; 1900 break; 1901 case ICE_AQ_LINK_SPEED_25GB: 1902 ks->base.speed = SPEED_25000; 1903 break; 1904 case ICE_AQ_LINK_SPEED_20GB: 1905 ks->base.speed = SPEED_20000; 1906 break; 1907 case ICE_AQ_LINK_SPEED_10GB: 1908 ks->base.speed = SPEED_10000; 1909 break; 1910 case ICE_AQ_LINK_SPEED_5GB: 1911 ks->base.speed = SPEED_5000; 1912 break; 1913 case ICE_AQ_LINK_SPEED_2500MB: 1914 ks->base.speed = SPEED_2500; 1915 break; 1916 case ICE_AQ_LINK_SPEED_1000MB: 1917 ks->base.speed = SPEED_1000; 1918 break; 1919 case ICE_AQ_LINK_SPEED_100MB: 1920 ks->base.speed = SPEED_100; 1921 break; 1922 default: 1923 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1924 link_info->link_speed); 1925 break; 1926 } 1927 ks->base.duplex = DUPLEX_FULL; 1928 1929 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1930 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1931 Autoneg); 1932 1933 /* Set flow control negotiated Rx/Tx pause */ 1934 switch (pi->fc.current_mode) { 1935 case ICE_FC_FULL: 1936 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1937 break; 1938 case ICE_FC_TX_PAUSE: 1939 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1940 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1941 Asym_Pause); 1942 break; 1943 case ICE_FC_RX_PAUSE: 1944 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1945 Asym_Pause); 1946 break; 1947 case ICE_FC_PFC: 1948 default: 1949 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1950 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1951 Asym_Pause); 1952 break; 1953 } 1954 } 1955 1956 /** 1957 * ice_get_settings_link_down - Get the Link settings when link is down 1958 * @ks: ethtool ksettings to fill in 1959 * @netdev: network interface device structure 1960 * 1961 * Reports link settings that can be determined when link is down 1962 */ 1963 static void 1964 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1965 struct net_device *netdev) 1966 { 1967 /* link is down and the driver needs to fall back on 1968 * supported PHY types to figure out what info to display 1969 */ 1970 ice_phy_type_to_ethtool(netdev, ks); 1971 1972 /* With no link, speed and duplex are unknown */ 1973 ks->base.speed = SPEED_UNKNOWN; 1974 ks->base.duplex = DUPLEX_UNKNOWN; 1975 } 1976 1977 /** 1978 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1979 * @netdev: network interface device structure 1980 * @ks: ethtool ksettings 1981 * 1982 * Reports speed/duplex settings based on media_type 1983 */ 1984 static int 1985 ice_get_link_ksettings(struct net_device *netdev, 1986 struct ethtool_link_ksettings *ks) 1987 { 1988 struct ice_netdev_priv *np = netdev_priv(netdev); 1989 struct ice_aqc_get_phy_caps_data *caps; 1990 struct ice_link_status *hw_link_info; 1991 struct ice_vsi *vsi = np->vsi; 1992 int err; 1993 1994 ethtool_link_ksettings_zero_link_mode(ks, supported); 1995 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1996 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1997 hw_link_info = &vsi->port_info->phy.link_info; 1998 1999 /* set speed and duplex */ 2000 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 2001 ice_get_settings_link_up(ks, netdev); 2002 else 2003 ice_get_settings_link_down(ks, netdev); 2004 2005 /* set autoneg settings */ 2006 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 2007 AUTONEG_ENABLE : AUTONEG_DISABLE; 2008 2009 /* set media type settings */ 2010 switch (vsi->port_info->phy.media_type) { 2011 case ICE_MEDIA_FIBER: 2012 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2013 ks->base.port = PORT_FIBRE; 2014 break; 2015 case ICE_MEDIA_BASET: 2016 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 2017 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 2018 ks->base.port = PORT_TP; 2019 break; 2020 case ICE_MEDIA_BACKPLANE: 2021 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 2022 ethtool_link_ksettings_add_link_mode(ks, advertising, 2023 Backplane); 2024 ks->base.port = PORT_NONE; 2025 break; 2026 case ICE_MEDIA_DA: 2027 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2028 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 2029 ks->base.port = PORT_DA; 2030 break; 2031 default: 2032 ks->base.port = PORT_OTHER; 2033 break; 2034 } 2035 2036 /* flow control is symmetric and always supported */ 2037 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2038 2039 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 2040 if (!caps) 2041 return -ENOMEM; 2042 2043 err = ice_aq_get_phy_caps(vsi->port_info, false, 2044 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 2045 if (err) 2046 goto done; 2047 2048 /* Set the advertised flow control based on the PHY capability */ 2049 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2050 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2051 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2052 ethtool_link_ksettings_add_link_mode(ks, advertising, 2053 Asym_Pause); 2054 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2055 ethtool_link_ksettings_add_link_mode(ks, advertising, 2056 Asym_Pause); 2057 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2058 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2059 ethtool_link_ksettings_add_link_mode(ks, advertising, 2060 Asym_Pause); 2061 } else { 2062 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2063 ethtool_link_ksettings_del_link_mode(ks, advertising, 2064 Asym_Pause); 2065 } 2066 2067 /* Set advertised FEC modes based on PHY capability */ 2068 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2069 2070 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2071 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2072 ethtool_link_ksettings_add_link_mode(ks, advertising, 2073 FEC_BASER); 2074 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2075 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2076 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2077 2078 err = ice_aq_get_phy_caps(vsi->port_info, false, 2079 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 2080 if (err) 2081 goto done; 2082 2083 /* Set supported FEC modes based on PHY capability */ 2084 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2085 2086 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2087 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2088 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2089 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2090 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2091 2092 /* Set supported and advertised autoneg */ 2093 if (ice_is_phy_caps_an_enabled(caps)) { 2094 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2095 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2096 } 2097 2098 done: 2099 kfree(caps); 2100 return err; 2101 } 2102 2103 /** 2104 * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed 2105 * @speed: ethtool forced speed 2106 */ 2107 static u16 ice_speed_to_aq_link(int speed) 2108 { 2109 int aq_speed; 2110 2111 switch (speed) { 2112 case SPEED_10: 2113 aq_speed = ICE_AQ_LINK_SPEED_10MB; 2114 break; 2115 case SPEED_100: 2116 aq_speed = ICE_AQ_LINK_SPEED_100MB; 2117 break; 2118 case SPEED_1000: 2119 aq_speed = ICE_AQ_LINK_SPEED_1000MB; 2120 break; 2121 case SPEED_2500: 2122 aq_speed = ICE_AQ_LINK_SPEED_2500MB; 2123 break; 2124 case SPEED_5000: 2125 aq_speed = ICE_AQ_LINK_SPEED_5GB; 2126 break; 2127 case SPEED_10000: 2128 aq_speed = ICE_AQ_LINK_SPEED_10GB; 2129 break; 2130 case SPEED_20000: 2131 aq_speed = ICE_AQ_LINK_SPEED_20GB; 2132 break; 2133 case SPEED_25000: 2134 aq_speed = ICE_AQ_LINK_SPEED_25GB; 2135 break; 2136 case SPEED_40000: 2137 aq_speed = ICE_AQ_LINK_SPEED_40GB; 2138 break; 2139 case SPEED_50000: 2140 aq_speed = ICE_AQ_LINK_SPEED_50GB; 2141 break; 2142 case SPEED_100000: 2143 aq_speed = ICE_AQ_LINK_SPEED_100GB; 2144 break; 2145 default: 2146 aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN; 2147 break; 2148 } 2149 return aq_speed; 2150 } 2151 2152 /** 2153 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2154 * @ks: ethtool ksettings 2155 */ 2156 static u16 2157 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2158 { 2159 const struct ethtool_forced_speed_map *map; 2160 u16 adv_link_speed = 0; 2161 2162 for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) { 2163 map = ice_adv_lnk_speed_maps + i; 2164 if (linkmode_intersects(ks->link_modes.advertising, map->caps)) 2165 adv_link_speed |= ice_speed_to_aq_link(map->speed); 2166 } 2167 2168 return adv_link_speed; 2169 } 2170 2171 /** 2172 * ice_setup_autoneg 2173 * @p: port info 2174 * @ks: ethtool_link_ksettings 2175 * @config: configuration that will be sent down to FW 2176 * @autoneg_enabled: autonegotiation is enabled or not 2177 * @autoneg_changed: will there a change in autonegotiation 2178 * @netdev: network interface device structure 2179 * 2180 * Setup PHY autonegotiation feature 2181 */ 2182 static int 2183 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2184 struct ice_aqc_set_phy_cfg_data *config, 2185 u8 autoneg_enabled, u8 *autoneg_changed, 2186 struct net_device *netdev) 2187 { 2188 int err = 0; 2189 2190 *autoneg_changed = 0; 2191 2192 /* Check autoneg */ 2193 if (autoneg_enabled == AUTONEG_ENABLE) { 2194 /* If autoneg was not already enabled */ 2195 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2196 /* If autoneg is not supported, return error */ 2197 if (!ethtool_link_ksettings_test_link_mode(ks, 2198 supported, 2199 Autoneg)) { 2200 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2201 err = -EINVAL; 2202 } else { 2203 /* Autoneg is allowed to change */ 2204 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2205 *autoneg_changed = 1; 2206 } 2207 } 2208 } else { 2209 /* If autoneg is currently enabled */ 2210 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2211 /* If autoneg is supported 10GBASE_T is the only PHY 2212 * that can disable it, so otherwise return error 2213 */ 2214 if (ethtool_link_ksettings_test_link_mode(ks, 2215 supported, 2216 Autoneg)) { 2217 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2218 err = -EINVAL; 2219 } else { 2220 /* Autoneg is allowed to change */ 2221 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2222 *autoneg_changed = 1; 2223 } 2224 } 2225 } 2226 2227 return err; 2228 } 2229 2230 /** 2231 * ice_set_phy_type_from_speed - set phy_types based on speeds 2232 * and advertised modes 2233 * @ks: ethtool link ksettings struct 2234 * @phy_type_low: pointer to the lower part of phy_type 2235 * @phy_type_high: pointer to the higher part of phy_type 2236 * @adv_link_speed: targeted link speeds bitmap 2237 */ 2238 static void 2239 ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks, 2240 u64 *phy_type_low, u64 *phy_type_high, 2241 u16 adv_link_speed) 2242 { 2243 /* Handle 1000M speed in a special way because ice_update_phy_type 2244 * enables all link modes, but having mixed copper and optical 2245 * standards is not supported. 2246 */ 2247 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB; 2248 2249 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2250 1000baseT_Full)) 2251 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T | 2252 ICE_PHY_TYPE_LOW_1G_SGMII; 2253 2254 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2255 1000baseKX_Full)) 2256 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX; 2257 2258 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2259 1000baseX_Full)) 2260 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX | 2261 ICE_PHY_TYPE_LOW_1000BASE_LX; 2262 2263 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed); 2264 } 2265 2266 /** 2267 * ice_set_link_ksettings - Set Speed and Duplex 2268 * @netdev: network interface device structure 2269 * @ks: ethtool ksettings 2270 * 2271 * Set speed/duplex per media_types advertised/forced 2272 */ 2273 static int 2274 ice_set_link_ksettings(struct net_device *netdev, 2275 const struct ethtool_link_ksettings *ks) 2276 { 2277 struct ice_netdev_priv *np = netdev_priv(netdev); 2278 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2279 struct ethtool_link_ksettings copy_ks = *ks; 2280 struct ethtool_link_ksettings safe_ks = {}; 2281 struct ice_aqc_get_phy_caps_data *phy_caps; 2282 struct ice_aqc_set_phy_cfg_data config; 2283 u16 adv_link_speed, curr_link_speed; 2284 struct ice_pf *pf = np->vsi->back; 2285 struct ice_port_info *pi; 2286 u8 autoneg_changed = 0; 2287 u64 phy_type_high = 0; 2288 u64 phy_type_low = 0; 2289 bool linkup; 2290 int err; 2291 2292 pi = np->vsi->port_info; 2293 2294 if (!pi) 2295 return -EIO; 2296 2297 if (pi->phy.media_type != ICE_MEDIA_BASET && 2298 pi->phy.media_type != ICE_MEDIA_FIBER && 2299 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2300 pi->phy.media_type != ICE_MEDIA_DA && 2301 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2302 return -EOPNOTSUPP; 2303 2304 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2305 if (!phy_caps) 2306 return -ENOMEM; 2307 2308 /* Get the PHY capabilities based on media */ 2309 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2310 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2311 phy_caps, NULL); 2312 else 2313 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2314 phy_caps, NULL); 2315 if (err) 2316 goto done; 2317 2318 /* save autoneg out of ksettings */ 2319 autoneg = copy_ks.base.autoneg; 2320 2321 /* Get link modes supported by hardware.*/ 2322 ice_phy_type_to_ethtool(netdev, &safe_ks); 2323 2324 /* and check against modes requested by user. 2325 * Return an error if unsupported mode was set. 2326 */ 2327 if (!bitmap_subset(copy_ks.link_modes.advertising, 2328 safe_ks.link_modes.supported, 2329 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2330 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2331 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"); 2332 err = -EOPNOTSUPP; 2333 goto done; 2334 } 2335 2336 /* get our own copy of the bits to check against */ 2337 memset(&safe_ks, 0, sizeof(safe_ks)); 2338 safe_ks.base.cmd = copy_ks.base.cmd; 2339 safe_ks.base.link_mode_masks_nwords = 2340 copy_ks.base.link_mode_masks_nwords; 2341 ice_get_link_ksettings(netdev, &safe_ks); 2342 2343 /* set autoneg back to what it currently is */ 2344 copy_ks.base.autoneg = safe_ks.base.autoneg; 2345 /* we don't compare the speed */ 2346 copy_ks.base.speed = safe_ks.base.speed; 2347 2348 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2349 * trying to set something that we do not support. 2350 */ 2351 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2352 err = -EOPNOTSUPP; 2353 goto done; 2354 } 2355 2356 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2357 timeout--; 2358 if (!timeout) { 2359 err = -EBUSY; 2360 goto done; 2361 } 2362 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2363 } 2364 2365 /* Copy the current user PHY configuration. The current user PHY 2366 * configuration is initialized during probe from PHY capabilities 2367 * software mode, and updated on set PHY configuration. 2368 */ 2369 config = pi->phy.curr_user_phy_cfg; 2370 2371 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2372 2373 /* Check autoneg */ 2374 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2375 netdev); 2376 2377 if (err) 2378 goto done; 2379 2380 /* Call to get the current link speed */ 2381 pi->phy.get_link_info = true; 2382 err = ice_get_link_status(pi, &linkup); 2383 if (err) 2384 goto done; 2385 2386 curr_link_speed = pi->phy.curr_user_speed_req; 2387 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2388 2389 /* If speed didn't get set, set it to what it currently is. 2390 * This is needed because if advertise is 0 (as it is when autoneg 2391 * is disabled) then speed won't get set. 2392 */ 2393 if (!adv_link_speed) 2394 adv_link_speed = curr_link_speed; 2395 2396 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2397 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high, 2398 adv_link_speed); 2399 2400 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2401 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2402 goto done; 2403 } 2404 2405 /* save the requested speeds */ 2406 pi->phy.link_info.req_speeds = adv_link_speed; 2407 2408 /* set link and auto negotiation so changes take effect */ 2409 config.caps |= ICE_AQ_PHY_ENA_LINK; 2410 2411 /* check if there is a PHY type for the requested advertised speed */ 2412 if (!(phy_type_low || phy_type_high)) { 2413 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"); 2414 err = -EOPNOTSUPP; 2415 goto done; 2416 } 2417 2418 /* intersect requested advertised speed PHY types with media PHY types 2419 * for set PHY configuration 2420 */ 2421 config.phy_type_high = cpu_to_le64(phy_type_high) & 2422 phy_caps->phy_type_high; 2423 config.phy_type_low = cpu_to_le64(phy_type_low) & 2424 phy_caps->phy_type_low; 2425 2426 if (!(config.phy_type_high || config.phy_type_low)) { 2427 /* If there is no intersection and lenient mode is enabled, then 2428 * intersect the requested advertised speed with NVM media type 2429 * PHY types. 2430 */ 2431 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2432 config.phy_type_high = cpu_to_le64(phy_type_high) & 2433 pf->nvm_phy_type_hi; 2434 config.phy_type_low = cpu_to_le64(phy_type_low) & 2435 pf->nvm_phy_type_lo; 2436 } else { 2437 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"); 2438 err = -EOPNOTSUPP; 2439 goto done; 2440 } 2441 } 2442 2443 /* If link is up put link down */ 2444 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2445 /* Tell the OS link is going down, the link will go 2446 * back up when fw says it is ready asynchronously 2447 */ 2448 ice_print_link_msg(np->vsi, false); 2449 netif_carrier_off(netdev); 2450 netif_tx_stop_all_queues(netdev); 2451 } 2452 2453 /* make the aq call */ 2454 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2455 if (err) { 2456 netdev_info(netdev, "Set phy config failed,\n"); 2457 goto done; 2458 } 2459 2460 /* Save speed request */ 2461 pi->phy.curr_user_speed_req = adv_link_speed; 2462 done: 2463 kfree(phy_caps); 2464 clear_bit(ICE_CFG_BUSY, pf->state); 2465 2466 return err; 2467 } 2468 2469 /** 2470 * ice_parse_hdrs - parses headers from RSS hash input 2471 * @nfc: ethtool rxnfc command 2472 * 2473 * This function parses the rxnfc command and returns intended 2474 * header types for RSS configuration 2475 */ 2476 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2477 { 2478 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2479 2480 switch (nfc->flow_type) { 2481 case TCP_V4_FLOW: 2482 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2483 break; 2484 case UDP_V4_FLOW: 2485 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2486 break; 2487 case SCTP_V4_FLOW: 2488 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2489 break; 2490 case TCP_V6_FLOW: 2491 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2492 break; 2493 case UDP_V6_FLOW: 2494 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2495 break; 2496 case SCTP_V6_FLOW: 2497 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2498 break; 2499 default: 2500 break; 2501 } 2502 return hdrs; 2503 } 2504 2505 /** 2506 * ice_parse_hash_flds - parses hash fields from RSS hash input 2507 * @nfc: ethtool rxnfc command 2508 * @symm: true if Symmetric Topelitz is set 2509 * 2510 * This function parses the rxnfc command and returns intended 2511 * hash fields for RSS configuration 2512 */ 2513 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc, bool symm) 2514 { 2515 u64 hfld = ICE_HASH_INVALID; 2516 2517 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2518 switch (nfc->flow_type) { 2519 case TCP_V4_FLOW: 2520 case UDP_V4_FLOW: 2521 case SCTP_V4_FLOW: 2522 if (nfc->data & RXH_IP_SRC) 2523 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2524 if (nfc->data & RXH_IP_DST) 2525 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2526 break; 2527 case TCP_V6_FLOW: 2528 case UDP_V6_FLOW: 2529 case SCTP_V6_FLOW: 2530 if (nfc->data & RXH_IP_SRC) 2531 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2532 if (nfc->data & RXH_IP_DST) 2533 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2534 break; 2535 default: 2536 break; 2537 } 2538 } 2539 2540 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2541 switch (nfc->flow_type) { 2542 case TCP_V4_FLOW: 2543 case TCP_V6_FLOW: 2544 if (nfc->data & RXH_L4_B_0_1) 2545 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2546 if (nfc->data & RXH_L4_B_2_3) 2547 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2548 break; 2549 case UDP_V4_FLOW: 2550 case UDP_V6_FLOW: 2551 if (nfc->data & RXH_L4_B_0_1) 2552 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2553 if (nfc->data & RXH_L4_B_2_3) 2554 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2555 break; 2556 case SCTP_V4_FLOW: 2557 case SCTP_V6_FLOW: 2558 if (nfc->data & RXH_L4_B_0_1) 2559 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2560 if (nfc->data & RXH_L4_B_2_3) 2561 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2562 break; 2563 default: 2564 break; 2565 } 2566 } 2567 2568 return hfld; 2569 } 2570 2571 /** 2572 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2573 * @vsi: the VSI being configured 2574 * @nfc: ethtool rxnfc command 2575 * 2576 * Returns Success if the flow input set is supported. 2577 */ 2578 static int 2579 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2580 { 2581 struct ice_pf *pf = vsi->back; 2582 struct ice_rss_hash_cfg cfg; 2583 struct device *dev; 2584 u64 hashed_flds; 2585 int status; 2586 bool symm; 2587 u32 hdrs; 2588 2589 dev = ice_pf_to_dev(pf); 2590 if (ice_is_safe_mode(pf)) { 2591 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2592 vsi->vsi_num); 2593 return -EINVAL; 2594 } 2595 2596 symm = !!(vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ); 2597 hashed_flds = ice_parse_hash_flds(nfc, symm); 2598 if (hashed_flds == ICE_HASH_INVALID) { 2599 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2600 vsi->vsi_num); 2601 return -EINVAL; 2602 } 2603 2604 hdrs = ice_parse_hdrs(nfc); 2605 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2606 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2607 vsi->vsi_num); 2608 return -EINVAL; 2609 } 2610 2611 cfg.hash_flds = hashed_flds; 2612 cfg.addl_hdrs = hdrs; 2613 cfg.hdr_type = ICE_RSS_ANY_HEADERS; 2614 cfg.symm = symm; 2615 2616 status = ice_add_rss_cfg(&pf->hw, vsi, &cfg); 2617 if (status) { 2618 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n", 2619 vsi->vsi_num, status); 2620 return status; 2621 } 2622 2623 return 0; 2624 } 2625 2626 /** 2627 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2628 * @vsi: the VSI being configured 2629 * @nfc: ethtool rxnfc command 2630 */ 2631 static void 2632 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2633 { 2634 struct ice_pf *pf = vsi->back; 2635 struct device *dev; 2636 u64 hash_flds; 2637 bool symm; 2638 u32 hdrs; 2639 2640 dev = ice_pf_to_dev(pf); 2641 2642 nfc->data = 0; 2643 if (ice_is_safe_mode(pf)) { 2644 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2645 vsi->vsi_num); 2646 return; 2647 } 2648 2649 hdrs = ice_parse_hdrs(nfc); 2650 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2651 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2652 vsi->vsi_num); 2653 return; 2654 } 2655 2656 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs, &symm); 2657 if (hash_flds == ICE_HASH_INVALID) { 2658 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2659 vsi->vsi_num); 2660 return; 2661 } 2662 2663 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2664 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2665 nfc->data |= (u64)RXH_IP_SRC; 2666 2667 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2668 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2669 nfc->data |= (u64)RXH_IP_DST; 2670 2671 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2672 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2673 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2674 nfc->data |= (u64)RXH_L4_B_0_1; 2675 2676 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2677 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2678 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2679 nfc->data |= (u64)RXH_L4_B_2_3; 2680 } 2681 2682 /** 2683 * ice_set_rxnfc - command to set Rx flow rules. 2684 * @netdev: network interface device structure 2685 * @cmd: ethtool rxnfc command 2686 * 2687 * Returns 0 for success and negative values for errors 2688 */ 2689 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2690 { 2691 struct ice_netdev_priv *np = netdev_priv(netdev); 2692 struct ice_vsi *vsi = np->vsi; 2693 2694 switch (cmd->cmd) { 2695 case ETHTOOL_SRXCLSRLINS: 2696 return ice_add_fdir_ethtool(vsi, cmd); 2697 case ETHTOOL_SRXCLSRLDEL: 2698 return ice_del_fdir_ethtool(vsi, cmd); 2699 case ETHTOOL_SRXFH: 2700 return ice_set_rss_hash_opt(vsi, cmd); 2701 default: 2702 break; 2703 } 2704 return -EOPNOTSUPP; 2705 } 2706 2707 /** 2708 * ice_get_rxnfc - command to get Rx flow classification rules 2709 * @netdev: network interface device structure 2710 * @cmd: ethtool rxnfc command 2711 * @rule_locs: buffer to rturn Rx flow classification rules 2712 * 2713 * Returns Success if the command is supported. 2714 */ 2715 static int 2716 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2717 u32 __always_unused *rule_locs) 2718 { 2719 struct ice_netdev_priv *np = netdev_priv(netdev); 2720 struct ice_vsi *vsi = np->vsi; 2721 int ret = -EOPNOTSUPP; 2722 struct ice_hw *hw; 2723 2724 hw = &vsi->back->hw; 2725 2726 switch (cmd->cmd) { 2727 case ETHTOOL_GRXRINGS: 2728 cmd->data = vsi->rss_size; 2729 ret = 0; 2730 break; 2731 case ETHTOOL_GRXCLSRLCNT: 2732 cmd->rule_cnt = hw->fdir_active_fltr; 2733 /* report total rule count */ 2734 cmd->data = ice_get_fdir_cnt_all(hw); 2735 ret = 0; 2736 break; 2737 case ETHTOOL_GRXCLSRULE: 2738 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2739 break; 2740 case ETHTOOL_GRXCLSRLALL: 2741 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2742 break; 2743 case ETHTOOL_GRXFH: 2744 ice_get_rss_hash_opt(vsi, cmd); 2745 ret = 0; 2746 break; 2747 default: 2748 break; 2749 } 2750 2751 return ret; 2752 } 2753 2754 static void 2755 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2756 struct kernel_ethtool_ringparam *kernel_ring, 2757 struct netlink_ext_ack *extack) 2758 { 2759 struct ice_netdev_priv *np = netdev_priv(netdev); 2760 struct ice_vsi *vsi = np->vsi; 2761 2762 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2763 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2764 if (vsi->tx_rings && vsi->rx_rings) { 2765 ring->rx_pending = vsi->rx_rings[0]->count; 2766 ring->tx_pending = vsi->tx_rings[0]->count; 2767 } else { 2768 ring->rx_pending = 0; 2769 ring->tx_pending = 0; 2770 } 2771 2772 /* Rx mini and jumbo rings are not supported */ 2773 ring->rx_mini_max_pending = 0; 2774 ring->rx_jumbo_max_pending = 0; 2775 ring->rx_mini_pending = 0; 2776 ring->rx_jumbo_pending = 0; 2777 } 2778 2779 static int 2780 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2781 struct kernel_ethtool_ringparam *kernel_ring, 2782 struct netlink_ext_ack *extack) 2783 { 2784 struct ice_netdev_priv *np = netdev_priv(netdev); 2785 struct ice_tx_ring *xdp_rings = NULL; 2786 struct ice_tx_ring *tx_rings = NULL; 2787 struct ice_rx_ring *rx_rings = NULL; 2788 struct ice_vsi *vsi = np->vsi; 2789 struct ice_pf *pf = vsi->back; 2790 int i, timeout = 50, err = 0; 2791 u16 new_rx_cnt, new_tx_cnt; 2792 2793 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2794 ring->tx_pending < ICE_MIN_NUM_DESC || 2795 ring->rx_pending > ICE_MAX_NUM_DESC || 2796 ring->rx_pending < ICE_MIN_NUM_DESC) { 2797 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2798 ring->tx_pending, ring->rx_pending, 2799 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2800 ICE_REQ_DESC_MULTIPLE); 2801 return -EINVAL; 2802 } 2803 2804 /* Return if there is no rings (device is reloading) */ 2805 if (!vsi->tx_rings || !vsi->rx_rings) 2806 return -EBUSY; 2807 2808 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2809 if (new_tx_cnt != ring->tx_pending) 2810 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2811 new_tx_cnt); 2812 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2813 if (new_rx_cnt != ring->rx_pending) 2814 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2815 new_rx_cnt); 2816 2817 /* if nothing to do return success */ 2818 if (new_tx_cnt == vsi->tx_rings[0]->count && 2819 new_rx_cnt == vsi->rx_rings[0]->count) { 2820 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2821 return 0; 2822 } 2823 2824 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2825 * disallow changing the number of descriptors -- regardless 2826 * if the netdev is running or not. 2827 */ 2828 if (ice_xsk_any_rx_ring_ena(vsi)) 2829 return -EBUSY; 2830 2831 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2832 timeout--; 2833 if (!timeout) 2834 return -EBUSY; 2835 usleep_range(1000, 2000); 2836 } 2837 2838 /* set for the next time the netdev is started */ 2839 if (!netif_running(vsi->netdev)) { 2840 ice_for_each_alloc_txq(vsi, i) 2841 vsi->tx_rings[i]->count = new_tx_cnt; 2842 ice_for_each_alloc_rxq(vsi, i) 2843 vsi->rx_rings[i]->count = new_rx_cnt; 2844 if (ice_is_xdp_ena_vsi(vsi)) 2845 ice_for_each_xdp_txq(vsi, i) 2846 vsi->xdp_rings[i]->count = new_tx_cnt; 2847 vsi->num_tx_desc = (u16)new_tx_cnt; 2848 vsi->num_rx_desc = (u16)new_rx_cnt; 2849 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2850 goto done; 2851 } 2852 2853 if (new_tx_cnt == vsi->tx_rings[0]->count) 2854 goto process_rx; 2855 2856 /* alloc updated Tx resources */ 2857 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2858 vsi->tx_rings[0]->count, new_tx_cnt); 2859 2860 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2861 if (!tx_rings) { 2862 err = -ENOMEM; 2863 goto done; 2864 } 2865 2866 ice_for_each_txq(vsi, i) { 2867 /* clone ring and setup updated count */ 2868 tx_rings[i] = *vsi->tx_rings[i]; 2869 tx_rings[i].count = new_tx_cnt; 2870 tx_rings[i].desc = NULL; 2871 tx_rings[i].tx_buf = NULL; 2872 tx_rings[i].tx_tstamps = &pf->ptp.port.tx; 2873 err = ice_setup_tx_ring(&tx_rings[i]); 2874 if (err) { 2875 while (i--) 2876 ice_clean_tx_ring(&tx_rings[i]); 2877 kfree(tx_rings); 2878 goto done; 2879 } 2880 } 2881 2882 if (!ice_is_xdp_ena_vsi(vsi)) 2883 goto process_rx; 2884 2885 /* alloc updated XDP resources */ 2886 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2887 vsi->xdp_rings[0]->count, new_tx_cnt); 2888 2889 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2890 if (!xdp_rings) { 2891 err = -ENOMEM; 2892 goto free_tx; 2893 } 2894 2895 ice_for_each_xdp_txq(vsi, i) { 2896 /* clone ring and setup updated count */ 2897 xdp_rings[i] = *vsi->xdp_rings[i]; 2898 xdp_rings[i].count = new_tx_cnt; 2899 xdp_rings[i].desc = NULL; 2900 xdp_rings[i].tx_buf = NULL; 2901 err = ice_setup_tx_ring(&xdp_rings[i]); 2902 if (err) { 2903 while (i--) 2904 ice_clean_tx_ring(&xdp_rings[i]); 2905 kfree(xdp_rings); 2906 goto free_tx; 2907 } 2908 ice_set_ring_xdp(&xdp_rings[i]); 2909 } 2910 2911 process_rx: 2912 if (new_rx_cnt == vsi->rx_rings[0]->count) 2913 goto process_link; 2914 2915 /* alloc updated Rx resources */ 2916 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2917 vsi->rx_rings[0]->count, new_rx_cnt); 2918 2919 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2920 if (!rx_rings) { 2921 err = -ENOMEM; 2922 goto done; 2923 } 2924 2925 ice_for_each_rxq(vsi, i) { 2926 /* clone ring and setup updated count */ 2927 rx_rings[i] = *vsi->rx_rings[i]; 2928 rx_rings[i].count = new_rx_cnt; 2929 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time; 2930 rx_rings[i].desc = NULL; 2931 rx_rings[i].rx_buf = NULL; 2932 /* this is to allow wr32 to have something to write to 2933 * during early allocation of Rx buffers 2934 */ 2935 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2936 2937 err = ice_setup_rx_ring(&rx_rings[i]); 2938 if (err) 2939 goto rx_unwind; 2940 2941 /* allocate Rx buffers */ 2942 err = ice_alloc_rx_bufs(&rx_rings[i], 2943 ICE_RX_DESC_UNUSED(&rx_rings[i])); 2944 rx_unwind: 2945 if (err) { 2946 while (i) { 2947 i--; 2948 ice_free_rx_ring(&rx_rings[i]); 2949 } 2950 kfree(rx_rings); 2951 err = -ENOMEM; 2952 goto free_tx; 2953 } 2954 } 2955 2956 process_link: 2957 /* Bring interface down, copy in the new ring info, then restore the 2958 * interface. if VSI is up, bring it down and then back up 2959 */ 2960 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 2961 ice_down(vsi); 2962 2963 if (tx_rings) { 2964 ice_for_each_txq(vsi, i) { 2965 ice_free_tx_ring(vsi->tx_rings[i]); 2966 *vsi->tx_rings[i] = tx_rings[i]; 2967 } 2968 kfree(tx_rings); 2969 } 2970 2971 if (rx_rings) { 2972 ice_for_each_rxq(vsi, i) { 2973 ice_free_rx_ring(vsi->rx_rings[i]); 2974 /* copy the real tail offset */ 2975 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2976 /* this is to fake out the allocation routine 2977 * into thinking it has to realloc everything 2978 * but the recycling logic will let us re-use 2979 * the buffers allocated above 2980 */ 2981 rx_rings[i].next_to_use = 0; 2982 rx_rings[i].next_to_clean = 0; 2983 rx_rings[i].next_to_alloc = 0; 2984 *vsi->rx_rings[i] = rx_rings[i]; 2985 } 2986 kfree(rx_rings); 2987 } 2988 2989 if (xdp_rings) { 2990 ice_for_each_xdp_txq(vsi, i) { 2991 ice_free_tx_ring(vsi->xdp_rings[i]); 2992 *vsi->xdp_rings[i] = xdp_rings[i]; 2993 } 2994 kfree(xdp_rings); 2995 } 2996 2997 vsi->num_tx_desc = new_tx_cnt; 2998 vsi->num_rx_desc = new_rx_cnt; 2999 ice_up(vsi); 3000 } 3001 goto done; 3002 3003 free_tx: 3004 /* error cleanup if the Rx allocations failed after getting Tx */ 3005 if (tx_rings) { 3006 ice_for_each_txq(vsi, i) 3007 ice_free_tx_ring(&tx_rings[i]); 3008 kfree(tx_rings); 3009 } 3010 3011 done: 3012 clear_bit(ICE_CFG_BUSY, pf->state); 3013 return err; 3014 } 3015 3016 /** 3017 * ice_get_pauseparam - Get Flow Control status 3018 * @netdev: network interface device structure 3019 * @pause: ethernet pause (flow control) parameters 3020 * 3021 * Get requested flow control status from PHY capability. 3022 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 3023 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 3024 * the negotiated Rx/Tx pause via lp_advertising. 3025 */ 3026 static void 3027 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3028 { 3029 struct ice_netdev_priv *np = netdev_priv(netdev); 3030 struct ice_port_info *pi = np->vsi->port_info; 3031 struct ice_aqc_get_phy_caps_data *pcaps; 3032 struct ice_dcbx_cfg *dcbx_cfg; 3033 int status; 3034 3035 /* Initialize pause params */ 3036 pause->rx_pause = 0; 3037 pause->tx_pause = 0; 3038 3039 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3040 3041 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3042 if (!pcaps) 3043 return; 3044 3045 /* Get current PHY config */ 3046 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3047 NULL); 3048 if (status) 3049 goto out; 3050 3051 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3052 AUTONEG_DISABLE; 3053 3054 if (dcbx_cfg->pfc.pfcena) 3055 /* PFC enabled so report LFC as off */ 3056 goto out; 3057 3058 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 3059 pause->tx_pause = 1; 3060 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 3061 pause->rx_pause = 1; 3062 3063 out: 3064 kfree(pcaps); 3065 } 3066 3067 /** 3068 * ice_set_pauseparam - Set Flow Control parameter 3069 * @netdev: network interface device structure 3070 * @pause: return Tx/Rx flow control status 3071 */ 3072 static int 3073 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3074 { 3075 struct ice_netdev_priv *np = netdev_priv(netdev); 3076 struct ice_aqc_get_phy_caps_data *pcaps; 3077 struct ice_link_status *hw_link_info; 3078 struct ice_pf *pf = np->vsi->back; 3079 struct ice_dcbx_cfg *dcbx_cfg; 3080 struct ice_vsi *vsi = np->vsi; 3081 struct ice_hw *hw = &pf->hw; 3082 struct ice_port_info *pi; 3083 u8 aq_failures; 3084 bool link_up; 3085 u32 is_an; 3086 int err; 3087 3088 pi = vsi->port_info; 3089 hw_link_info = &pi->phy.link_info; 3090 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3091 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3092 3093 /* Changing the port's flow control is not supported if this isn't the 3094 * PF VSI 3095 */ 3096 if (vsi->type != ICE_VSI_PF) { 3097 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3098 return -EOPNOTSUPP; 3099 } 3100 3101 /* Get pause param reports configured and negotiated flow control pause 3102 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3103 * defined get pause param pause->autoneg reports SW configured setting, 3104 * so compare pause->autoneg with SW configured to prevent the user from 3105 * using set pause param to chance autoneg. 3106 */ 3107 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3108 if (!pcaps) 3109 return -ENOMEM; 3110 3111 /* Get current PHY config */ 3112 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3113 NULL); 3114 if (err) { 3115 kfree(pcaps); 3116 return err; 3117 } 3118 3119 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3120 AUTONEG_DISABLE; 3121 3122 kfree(pcaps); 3123 3124 if (pause->autoneg != is_an) { 3125 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3126 return -EOPNOTSUPP; 3127 } 3128 3129 /* If we have link and don't have autoneg */ 3130 if (!test_bit(ICE_DOWN, pf->state) && 3131 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3132 /* Send message that it might not necessarily work*/ 3133 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3134 } 3135 3136 if (dcbx_cfg->pfc.pfcena) { 3137 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3138 return -EOPNOTSUPP; 3139 } 3140 if (pause->rx_pause && pause->tx_pause) 3141 pi->fc.req_mode = ICE_FC_FULL; 3142 else if (pause->rx_pause && !pause->tx_pause) 3143 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3144 else if (!pause->rx_pause && pause->tx_pause) 3145 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3146 else if (!pause->rx_pause && !pause->tx_pause) 3147 pi->fc.req_mode = ICE_FC_NONE; 3148 else 3149 return -EINVAL; 3150 3151 /* Set the FC mode and only restart AN if link is up */ 3152 err = ice_set_fc(pi, &aq_failures, link_up); 3153 3154 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3155 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n", 3156 err, ice_aq_str(hw->adminq.sq_last_status)); 3157 err = -EAGAIN; 3158 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3159 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n", 3160 err, ice_aq_str(hw->adminq.sq_last_status)); 3161 err = -EAGAIN; 3162 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3163 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n", 3164 err, ice_aq_str(hw->adminq.sq_last_status)); 3165 err = -EAGAIN; 3166 } 3167 3168 return err; 3169 } 3170 3171 /** 3172 * ice_get_rxfh_key_size - get the RSS hash key size 3173 * @netdev: network interface device structure 3174 * 3175 * Returns the table size. 3176 */ 3177 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3178 { 3179 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3180 } 3181 3182 /** 3183 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3184 * @netdev: network interface device structure 3185 * 3186 * Returns the table size. 3187 */ 3188 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3189 { 3190 struct ice_netdev_priv *np = netdev_priv(netdev); 3191 3192 return np->vsi->rss_table_size; 3193 } 3194 3195 /** 3196 * ice_get_rxfh - get the Rx flow hash indirection table 3197 * @netdev: network interface device structure 3198 * @rxfh: pointer to param struct (indir, key, hfunc) 3199 * 3200 * Reads the indirection table directly from the hardware. 3201 */ 3202 static int 3203 ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh) 3204 { 3205 struct ice_netdev_priv *np = netdev_priv(netdev); 3206 u32 rss_context = rxfh->rss_context; 3207 struct ice_vsi *vsi = np->vsi; 3208 struct ice_pf *pf = vsi->back; 3209 u16 qcount, offset; 3210 int err, num_tc, i; 3211 u8 *lut; 3212 3213 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3214 netdev_warn(netdev, "RSS is not supported on this VSI!\n"); 3215 return -EOPNOTSUPP; 3216 } 3217 3218 if (rss_context && !ice_is_adq_active(pf)) { 3219 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n"); 3220 return -EINVAL; 3221 } 3222 3223 qcount = vsi->mqprio_qopt.qopt.count[rss_context]; 3224 offset = vsi->mqprio_qopt.qopt.offset[rss_context]; 3225 3226 if (rss_context && ice_is_adq_active(pf)) { 3227 num_tc = vsi->mqprio_qopt.qopt.num_tc; 3228 if (rss_context >= num_tc) { 3229 netdev_err(netdev, "RSS context:%d > num_tc:%d\n", 3230 rss_context, num_tc); 3231 return -EINVAL; 3232 } 3233 /* Use channel VSI of given TC */ 3234 vsi = vsi->tc_map_vsi[rss_context]; 3235 } 3236 3237 rxfh->hfunc = ETH_RSS_HASH_TOP; 3238 if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ) 3239 rxfh->input_xfrm |= RXH_XFRM_SYM_XOR; 3240 3241 if (!rxfh->indir) 3242 return 0; 3243 3244 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3245 if (!lut) 3246 return -ENOMEM; 3247 3248 err = ice_get_rss_key(vsi, rxfh->key); 3249 if (err) 3250 goto out; 3251 3252 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size); 3253 if (err) 3254 goto out; 3255 3256 if (ice_is_adq_active(pf)) { 3257 for (i = 0; i < vsi->rss_table_size; i++) 3258 rxfh->indir[i] = offset + lut[i] % qcount; 3259 goto out; 3260 } 3261 3262 for (i = 0; i < vsi->rss_table_size; i++) 3263 rxfh->indir[i] = lut[i]; 3264 3265 out: 3266 kfree(lut); 3267 return err; 3268 } 3269 3270 /** 3271 * ice_set_rxfh - set the Rx flow hash indirection table 3272 * @netdev: network interface device structure 3273 * @rxfh: pointer to param struct (indir, key, hfunc) 3274 * @extack: extended ACK from the Netlink message 3275 * 3276 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3277 * returns 0 after programming the table. 3278 */ 3279 static int 3280 ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh, 3281 struct netlink_ext_ack *extack) 3282 { 3283 struct ice_netdev_priv *np = netdev_priv(netdev); 3284 u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ; 3285 struct ice_vsi *vsi = np->vsi; 3286 struct ice_pf *pf = vsi->back; 3287 struct device *dev; 3288 int err; 3289 3290 dev = ice_pf_to_dev(pf); 3291 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && 3292 rxfh->hfunc != ETH_RSS_HASH_TOP) 3293 return -EOPNOTSUPP; 3294 3295 if (rxfh->rss_context) 3296 return -EOPNOTSUPP; 3297 3298 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3299 /* RSS not supported return error here */ 3300 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3301 return -EIO; 3302 } 3303 3304 if (ice_is_adq_active(pf)) { 3305 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n"); 3306 return -EOPNOTSUPP; 3307 } 3308 3309 /* Update the VSI's hash function */ 3310 if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR) 3311 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ; 3312 3313 err = ice_set_rss_hfunc(vsi, hfunc); 3314 if (err) 3315 return err; 3316 3317 if (rxfh->key) { 3318 if (!vsi->rss_hkey_user) { 3319 vsi->rss_hkey_user = 3320 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3321 GFP_KERNEL); 3322 if (!vsi->rss_hkey_user) 3323 return -ENOMEM; 3324 } 3325 memcpy(vsi->rss_hkey_user, rxfh->key, 3326 ICE_VSIQF_HKEY_ARRAY_SIZE); 3327 3328 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3329 if (err) 3330 return err; 3331 } 3332 3333 if (!vsi->rss_lut_user) { 3334 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3335 GFP_KERNEL); 3336 if (!vsi->rss_lut_user) 3337 return -ENOMEM; 3338 } 3339 3340 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3341 if (rxfh->indir) { 3342 int i; 3343 3344 for (i = 0; i < vsi->rss_table_size; i++) 3345 vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]); 3346 } else { 3347 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3348 vsi->rss_size); 3349 } 3350 3351 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3352 if (err) 3353 return err; 3354 3355 return 0; 3356 } 3357 3358 static int 3359 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) 3360 { 3361 struct ice_pf *pf = ice_netdev_to_pf(dev); 3362 3363 /* only report timestamping if PTP is enabled */ 3364 if (pf->ptp.state != ICE_PTP_READY) 3365 return ethtool_op_get_ts_info(dev, info); 3366 3367 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3368 SOF_TIMESTAMPING_RX_SOFTWARE | 3369 SOF_TIMESTAMPING_SOFTWARE | 3370 SOF_TIMESTAMPING_TX_HARDWARE | 3371 SOF_TIMESTAMPING_RX_HARDWARE | 3372 SOF_TIMESTAMPING_RAW_HARDWARE; 3373 3374 info->phc_index = ice_ptp_clock_index(pf); 3375 3376 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3377 3378 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3379 3380 return 0; 3381 } 3382 3383 /** 3384 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3385 * @pf: PF structure 3386 */ 3387 static int ice_get_max_txq(struct ice_pf *pf) 3388 { 3389 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3390 (u16)pf->hw.func_caps.common_cap.num_txq); 3391 } 3392 3393 /** 3394 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3395 * @pf: PF structure 3396 */ 3397 static int ice_get_max_rxq(struct ice_pf *pf) 3398 { 3399 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3400 (u16)pf->hw.func_caps.common_cap.num_rxq); 3401 } 3402 3403 /** 3404 * ice_get_combined_cnt - return the current number of combined channels 3405 * @vsi: PF VSI pointer 3406 * 3407 * Go through all queue vectors and count ones that have both Rx and Tx ring 3408 * attached 3409 */ 3410 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3411 { 3412 u32 combined = 0; 3413 int q_idx; 3414 3415 ice_for_each_q_vector(vsi, q_idx) { 3416 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3417 3418 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring) 3419 combined++; 3420 } 3421 3422 return combined; 3423 } 3424 3425 /** 3426 * ice_get_channels - get the current and max supported channels 3427 * @dev: network interface device structure 3428 * @ch: ethtool channel data structure 3429 */ 3430 static void 3431 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3432 { 3433 struct ice_netdev_priv *np = netdev_priv(dev); 3434 struct ice_vsi *vsi = np->vsi; 3435 struct ice_pf *pf = vsi->back; 3436 3437 /* report maximum channels */ 3438 ch->max_rx = ice_get_max_rxq(pf); 3439 ch->max_tx = ice_get_max_txq(pf); 3440 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3441 3442 /* report current channels */ 3443 ch->combined_count = ice_get_combined_cnt(vsi); 3444 ch->rx_count = vsi->num_rxq - ch->combined_count; 3445 ch->tx_count = vsi->num_txq - ch->combined_count; 3446 3447 /* report other queues */ 3448 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3449 ch->max_other = ch->other_count; 3450 } 3451 3452 /** 3453 * ice_get_valid_rss_size - return valid number of RSS queues 3454 * @hw: pointer to the HW structure 3455 * @new_size: requested RSS queues 3456 */ 3457 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3458 { 3459 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3460 3461 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3462 } 3463 3464 /** 3465 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3466 * @vsi: VSI to reconfigure RSS LUT on 3467 * @req_rss_size: requested range of queue numbers for hashing 3468 * 3469 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3470 */ 3471 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3472 { 3473 struct ice_pf *pf = vsi->back; 3474 struct device *dev; 3475 struct ice_hw *hw; 3476 int err; 3477 u8 *lut; 3478 3479 dev = ice_pf_to_dev(pf); 3480 hw = &pf->hw; 3481 3482 if (!req_rss_size) 3483 return -EINVAL; 3484 3485 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3486 if (!lut) 3487 return -ENOMEM; 3488 3489 /* set RSS LUT parameters */ 3490 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3491 vsi->rss_size = 1; 3492 else 3493 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3494 3495 /* create/set RSS LUT */ 3496 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3497 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3498 if (err) 3499 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3500 ice_aq_str(hw->adminq.sq_last_status)); 3501 3502 kfree(lut); 3503 return err; 3504 } 3505 3506 /** 3507 * ice_set_channels - set the number channels 3508 * @dev: network interface device structure 3509 * @ch: ethtool channel data structure 3510 */ 3511 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3512 { 3513 struct ice_netdev_priv *np = netdev_priv(dev); 3514 struct ice_vsi *vsi = np->vsi; 3515 struct ice_pf *pf = vsi->back; 3516 int new_rx = 0, new_tx = 0; 3517 bool locked = false; 3518 u32 curr_combined; 3519 int ret = 0; 3520 3521 /* do not support changing channels in Safe Mode */ 3522 if (ice_is_safe_mode(pf)) { 3523 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3524 return -EOPNOTSUPP; 3525 } 3526 /* do not support changing other_count */ 3527 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3528 return -EINVAL; 3529 3530 if (ice_is_adq_active(pf)) { 3531 netdev_err(dev, "Cannot set channels with ADQ configured.\n"); 3532 return -EOPNOTSUPP; 3533 } 3534 3535 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3536 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3537 return -EOPNOTSUPP; 3538 } 3539 3540 curr_combined = ice_get_combined_cnt(vsi); 3541 3542 /* these checks are for cases where user didn't specify a particular 3543 * value on cmd line but we get non-zero value anyway via 3544 * get_channels(); look at ethtool.c in ethtool repository (the user 3545 * space part), particularly, do_schannels() routine 3546 */ 3547 if (ch->rx_count == vsi->num_rxq - curr_combined) 3548 ch->rx_count = 0; 3549 if (ch->tx_count == vsi->num_txq - curr_combined) 3550 ch->tx_count = 0; 3551 if (ch->combined_count == curr_combined) 3552 ch->combined_count = 0; 3553 3554 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3555 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3556 return -EINVAL; 3557 } 3558 3559 new_rx = ch->combined_count + ch->rx_count; 3560 new_tx = ch->combined_count + ch->tx_count; 3561 3562 if (new_rx < vsi->tc_cfg.numtc) { 3563 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n", 3564 vsi->tc_cfg.numtc); 3565 return -EINVAL; 3566 } 3567 if (new_tx < vsi->tc_cfg.numtc) { 3568 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n", 3569 vsi->tc_cfg.numtc); 3570 return -EINVAL; 3571 } 3572 if (new_rx > ice_get_max_rxq(pf)) { 3573 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3574 ice_get_max_rxq(pf)); 3575 return -EINVAL; 3576 } 3577 if (new_tx > ice_get_max_txq(pf)) { 3578 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3579 ice_get_max_txq(pf)); 3580 return -EINVAL; 3581 } 3582 3583 if (pf->adev) { 3584 mutex_lock(&pf->adev_mutex); 3585 device_lock(&pf->adev->dev); 3586 locked = true; 3587 if (pf->adev->dev.driver) { 3588 netdev_err(dev, "Cannot change channels when RDMA is active\n"); 3589 ret = -EBUSY; 3590 goto adev_unlock; 3591 } 3592 } 3593 3594 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked); 3595 3596 if (!netif_is_rxfh_configured(dev)) { 3597 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3598 goto adev_unlock; 3599 } 3600 3601 /* Update rss_size due to change in Rx queues */ 3602 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3603 3604 adev_unlock: 3605 if (locked) { 3606 device_unlock(&pf->adev->dev); 3607 mutex_unlock(&pf->adev_mutex); 3608 } 3609 return ret; 3610 } 3611 3612 /** 3613 * ice_get_wol - get current Wake on LAN configuration 3614 * @netdev: network interface device structure 3615 * @wol: Ethtool structure to retrieve WoL settings 3616 */ 3617 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3618 { 3619 struct ice_netdev_priv *np = netdev_priv(netdev); 3620 struct ice_pf *pf = np->vsi->back; 3621 3622 if (np->vsi->type != ICE_VSI_PF) 3623 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3624 3625 /* Get WoL settings based on the HW capability */ 3626 if (ice_is_wol_supported(&pf->hw)) { 3627 wol->supported = WAKE_MAGIC; 3628 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3629 } else { 3630 wol->supported = 0; 3631 wol->wolopts = 0; 3632 } 3633 } 3634 3635 /** 3636 * ice_set_wol - set Wake on LAN on supported device 3637 * @netdev: network interface device structure 3638 * @wol: Ethtool structure to set WoL 3639 */ 3640 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3641 { 3642 struct ice_netdev_priv *np = netdev_priv(netdev); 3643 struct ice_vsi *vsi = np->vsi; 3644 struct ice_pf *pf = vsi->back; 3645 3646 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 3647 return -EOPNOTSUPP; 3648 3649 /* only magic packet is supported */ 3650 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3651 return -EOPNOTSUPP; 3652 3653 /* Set WoL only if there is a new value */ 3654 if (pf->wol_ena != !!wol->wolopts) { 3655 pf->wol_ena = !!wol->wolopts; 3656 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3657 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3658 pf->wol_ena ? "en" : "dis"); 3659 } 3660 3661 return 0; 3662 } 3663 3664 /** 3665 * ice_get_rc_coalesce - get ITR values for specific ring container 3666 * @ec: ethtool structure to fill with driver's coalesce settings 3667 * @rc: ring container that the ITR values will come from 3668 * 3669 * Query the device for ice_ring_container specific ITR values. This is 3670 * done per ice_ring_container because each q_vector can have 1 or more rings 3671 * and all of said ring(s) will have the same ITR values. 3672 * 3673 * Returns 0 on success, negative otherwise. 3674 */ 3675 static int 3676 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc) 3677 { 3678 if (!rc->rx_ring) 3679 return -EINVAL; 3680 3681 switch (rc->type) { 3682 case ICE_RX_CONTAINER: 3683 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 3684 ec->rx_coalesce_usecs = rc->itr_setting; 3685 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl; 3686 break; 3687 case ICE_TX_CONTAINER: 3688 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 3689 ec->tx_coalesce_usecs = rc->itr_setting; 3690 break; 3691 default: 3692 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type); 3693 return -EINVAL; 3694 } 3695 3696 return 0; 3697 } 3698 3699 /** 3700 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3701 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3702 * @ec: coalesce settings to program the device with 3703 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3704 * 3705 * Return 0 on success, and negative under the following conditions: 3706 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3707 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3708 */ 3709 static int 3710 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3711 { 3712 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3713 if (ice_get_rc_coalesce(ec, 3714 &vsi->rx_rings[q_num]->q_vector->rx)) 3715 return -EINVAL; 3716 if (ice_get_rc_coalesce(ec, 3717 &vsi->tx_rings[q_num]->q_vector->tx)) 3718 return -EINVAL; 3719 } else if (q_num < vsi->num_rxq) { 3720 if (ice_get_rc_coalesce(ec, 3721 &vsi->rx_rings[q_num]->q_vector->rx)) 3722 return -EINVAL; 3723 } else if (q_num < vsi->num_txq) { 3724 if (ice_get_rc_coalesce(ec, 3725 &vsi->tx_rings[q_num]->q_vector->tx)) 3726 return -EINVAL; 3727 } else { 3728 return -EINVAL; 3729 } 3730 3731 return 0; 3732 } 3733 3734 /** 3735 * __ice_get_coalesce - get ITR/INTRL values for the device 3736 * @netdev: pointer to the netdev associated with this query 3737 * @ec: ethtool structure to fill with driver's coalesce settings 3738 * @q_num: queue number to get the coalesce settings for 3739 * 3740 * If the caller passes in a negative q_num then we return coalesce settings 3741 * based on queue number 0, else use the actual q_num passed in. 3742 */ 3743 static int 3744 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3745 int q_num) 3746 { 3747 struct ice_netdev_priv *np = netdev_priv(netdev); 3748 struct ice_vsi *vsi = np->vsi; 3749 3750 if (q_num < 0) 3751 q_num = 0; 3752 3753 if (ice_get_q_coalesce(vsi, ec, q_num)) 3754 return -EINVAL; 3755 3756 return 0; 3757 } 3758 3759 static int ice_get_coalesce(struct net_device *netdev, 3760 struct ethtool_coalesce *ec, 3761 struct kernel_ethtool_coalesce *kernel_coal, 3762 struct netlink_ext_ack *extack) 3763 { 3764 return __ice_get_coalesce(netdev, ec, -1); 3765 } 3766 3767 static int 3768 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3769 struct ethtool_coalesce *ec) 3770 { 3771 return __ice_get_coalesce(netdev, ec, q_num); 3772 } 3773 3774 /** 3775 * ice_set_rc_coalesce - set ITR values for specific ring container 3776 * @ec: ethtool structure from user to update ITR settings 3777 * @rc: ring container that the ITR values will come from 3778 * @vsi: VSI associated to the ring container 3779 * 3780 * Set specific ITR values. This is done per ice_ring_container because each 3781 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3782 * ITR values. 3783 * 3784 * Returns 0 on success, negative otherwise. 3785 */ 3786 static int 3787 ice_set_rc_coalesce(struct ethtool_coalesce *ec, 3788 struct ice_ring_container *rc, struct ice_vsi *vsi) 3789 { 3790 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3791 u32 use_adaptive_coalesce, coalesce_usecs; 3792 struct ice_pf *pf = vsi->back; 3793 u16 itr_setting; 3794 3795 if (!rc->rx_ring) 3796 return -EINVAL; 3797 3798 switch (rc->type) { 3799 case ICE_RX_CONTAINER: 3800 { 3801 struct ice_q_vector *q_vector = rc->rx_ring->q_vector; 3802 3803 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3804 (ec->rx_coalesce_usecs_high && 3805 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3806 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3807 c_type_str, pf->hw.intrl_gran, 3808 ICE_MAX_INTRL); 3809 return -EINVAL; 3810 } 3811 if (ec->rx_coalesce_usecs_high != q_vector->intrl && 3812 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 3813 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 3814 c_type_str); 3815 return -EINVAL; 3816 } 3817 if (ec->rx_coalesce_usecs_high != q_vector->intrl) 3818 q_vector->intrl = ec->rx_coalesce_usecs_high; 3819 3820 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3821 coalesce_usecs = ec->rx_coalesce_usecs; 3822 3823 break; 3824 } 3825 case ICE_TX_CONTAINER: 3826 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3827 coalesce_usecs = ec->tx_coalesce_usecs; 3828 3829 break; 3830 default: 3831 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3832 rc->type); 3833 return -EINVAL; 3834 } 3835 3836 itr_setting = rc->itr_setting; 3837 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3838 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3839 c_type_str, c_type_str); 3840 return -EINVAL; 3841 } 3842 3843 if (coalesce_usecs > ICE_ITR_MAX) { 3844 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3845 c_type_str, ICE_ITR_MAX); 3846 return -EINVAL; 3847 } 3848 3849 if (use_adaptive_coalesce) { 3850 rc->itr_mode = ITR_DYNAMIC; 3851 } else { 3852 rc->itr_mode = ITR_STATIC; 3853 /* store user facing value how it was set */ 3854 rc->itr_setting = coalesce_usecs; 3855 /* write the change to the register */ 3856 ice_write_itr(rc, coalesce_usecs); 3857 /* force writes to take effect immediately, the flush shouldn't 3858 * be done in the functions above because the intent is for 3859 * them to do lazy writes. 3860 */ 3861 ice_flush(&pf->hw); 3862 } 3863 3864 return 0; 3865 } 3866 3867 /** 3868 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3869 * @vsi: VSI associated to the queue that need updating 3870 * @ec: coalesce settings to program the device with 3871 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3872 * 3873 * Return 0 on success, and negative under the following conditions: 3874 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3875 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3876 */ 3877 static int 3878 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3879 { 3880 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3881 if (ice_set_rc_coalesce(ec, 3882 &vsi->rx_rings[q_num]->q_vector->rx, 3883 vsi)) 3884 return -EINVAL; 3885 3886 if (ice_set_rc_coalesce(ec, 3887 &vsi->tx_rings[q_num]->q_vector->tx, 3888 vsi)) 3889 return -EINVAL; 3890 } else if (q_num < vsi->num_rxq) { 3891 if (ice_set_rc_coalesce(ec, 3892 &vsi->rx_rings[q_num]->q_vector->rx, 3893 vsi)) 3894 return -EINVAL; 3895 } else if (q_num < vsi->num_txq) { 3896 if (ice_set_rc_coalesce(ec, 3897 &vsi->tx_rings[q_num]->q_vector->tx, 3898 vsi)) 3899 return -EINVAL; 3900 } else { 3901 return -EINVAL; 3902 } 3903 3904 return 0; 3905 } 3906 3907 /** 3908 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3909 * @netdev: netdev used for print 3910 * @itr_setting: previous user setting 3911 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3912 * @coalesce_usecs: requested value of [tx|rx]-usecs 3913 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3914 */ 3915 static void 3916 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3917 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3918 const char *c_type_str) 3919 { 3920 if (use_adaptive_coalesce) 3921 return; 3922 3923 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3924 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", 3925 c_type_str, coalesce_usecs, c_type_str, 3926 ITR_REG_ALIGN(coalesce_usecs)); 3927 } 3928 3929 /** 3930 * __ice_set_coalesce - set ITR/INTRL values for the device 3931 * @netdev: pointer to the netdev associated with this query 3932 * @ec: ethtool structure to fill with driver's coalesce settings 3933 * @q_num: queue number to get the coalesce settings for 3934 * 3935 * If the caller passes in a negative q_num then we set the coalesce settings 3936 * for all Tx/Rx queues, else use the actual q_num passed in. 3937 */ 3938 static int 3939 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3940 int q_num) 3941 { 3942 struct ice_netdev_priv *np = netdev_priv(netdev); 3943 struct ice_vsi *vsi = np->vsi; 3944 3945 if (q_num < 0) { 3946 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3947 int v_idx; 3948 3949 if (q_vector) { 3950 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3951 ec->use_adaptive_rx_coalesce, 3952 ec->rx_coalesce_usecs, "rx"); 3953 3954 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3955 ec->use_adaptive_tx_coalesce, 3956 ec->tx_coalesce_usecs, "tx"); 3957 } 3958 3959 ice_for_each_q_vector(vsi, v_idx) { 3960 /* In some cases if DCB is configured the num_[rx|tx]q 3961 * can be less than vsi->num_q_vectors. This check 3962 * accounts for that so we don't report a false failure 3963 */ 3964 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3965 goto set_complete; 3966 3967 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3968 return -EINVAL; 3969 3970 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]); 3971 } 3972 goto set_complete; 3973 } 3974 3975 if (ice_set_q_coalesce(vsi, ec, q_num)) 3976 return -EINVAL; 3977 3978 ice_set_q_vector_intrl(vsi->q_vectors[q_num]); 3979 3980 set_complete: 3981 return 0; 3982 } 3983 3984 static int ice_set_coalesce(struct net_device *netdev, 3985 struct ethtool_coalesce *ec, 3986 struct kernel_ethtool_coalesce *kernel_coal, 3987 struct netlink_ext_ack *extack) 3988 { 3989 return __ice_set_coalesce(netdev, ec, -1); 3990 } 3991 3992 static int 3993 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3994 struct ethtool_coalesce *ec) 3995 { 3996 return __ice_set_coalesce(netdev, ec, q_num); 3997 } 3998 3999 static void 4000 ice_repr_get_drvinfo(struct net_device *netdev, 4001 struct ethtool_drvinfo *drvinfo) 4002 { 4003 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4004 4005 if (ice_check_vf_ready_for_cfg(repr->vf)) 4006 return; 4007 4008 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi); 4009 } 4010 4011 static void 4012 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 4013 { 4014 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4015 4016 /* for port representors only ETH_SS_STATS is supported */ 4017 if (ice_check_vf_ready_for_cfg(repr->vf) || 4018 stringset != ETH_SS_STATS) 4019 return; 4020 4021 __ice_get_strings(netdev, stringset, data, repr->src_vsi); 4022 } 4023 4024 static void 4025 ice_repr_get_ethtool_stats(struct net_device *netdev, 4026 struct ethtool_stats __always_unused *stats, 4027 u64 *data) 4028 { 4029 struct ice_repr *repr = ice_netdev_to_repr(netdev); 4030 4031 if (ice_check_vf_ready_for_cfg(repr->vf)) 4032 return; 4033 4034 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi); 4035 } 4036 4037 static int ice_repr_get_sset_count(struct net_device *netdev, int sset) 4038 { 4039 switch (sset) { 4040 case ETH_SS_STATS: 4041 return ICE_VSI_STATS_LEN; 4042 default: 4043 return -EOPNOTSUPP; 4044 } 4045 } 4046 4047 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 4048 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 4049 #define ICE_MODULE_TYPE_SFP 0x03 4050 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 4051 #define ICE_MODULE_TYPE_QSFP28 0x11 4052 #define ICE_MODULE_SFF_ADDR_MODE 0x04 4053 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 4054 #define ICE_MODULE_REVISION_ADDR 0x01 4055 #define ICE_MODULE_SFF_8472_COMP 0x5E 4056 #define ICE_MODULE_SFF_8472_SWAP 0x5C 4057 #define ICE_MODULE_QSFP_MAX_LEN 640 4058 4059 /** 4060 * ice_get_module_info - get SFF module type and revision information 4061 * @netdev: network interface device structure 4062 * @modinfo: module EEPROM size and layout information structure 4063 */ 4064 static int 4065 ice_get_module_info(struct net_device *netdev, 4066 struct ethtool_modinfo *modinfo) 4067 { 4068 struct ice_netdev_priv *np = netdev_priv(netdev); 4069 struct ice_vsi *vsi = np->vsi; 4070 struct ice_pf *pf = vsi->back; 4071 struct ice_hw *hw = &pf->hw; 4072 u8 sff8472_comp = 0; 4073 u8 sff8472_swap = 0; 4074 u8 sff8636_rev = 0; 4075 u8 value = 0; 4076 int status; 4077 4078 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 4079 0, &value, 1, 0, NULL); 4080 if (status) 4081 return status; 4082 4083 switch (value) { 4084 case ICE_MODULE_TYPE_SFP: 4085 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4086 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 4087 &sff8472_comp, 1, 0, NULL); 4088 if (status) 4089 return status; 4090 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4091 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 4092 &sff8472_swap, 1, 0, NULL); 4093 if (status) 4094 return status; 4095 4096 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 4097 modinfo->type = ETH_MODULE_SFF_8079; 4098 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4099 } else if (sff8472_comp && 4100 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 4101 modinfo->type = ETH_MODULE_SFF_8472; 4102 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 4103 } else { 4104 modinfo->type = ETH_MODULE_SFF_8079; 4105 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4106 } 4107 break; 4108 case ICE_MODULE_TYPE_QSFP_PLUS: 4109 case ICE_MODULE_TYPE_QSFP28: 4110 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4111 ICE_MODULE_REVISION_ADDR, 0x00, 0, 4112 &sff8636_rev, 1, 0, NULL); 4113 if (status) 4114 return status; 4115 /* Check revision compliance */ 4116 if (sff8636_rev > 0x02) { 4117 /* Module is SFF-8636 compliant */ 4118 modinfo->type = ETH_MODULE_SFF_8636; 4119 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4120 } else { 4121 modinfo->type = ETH_MODULE_SFF_8436; 4122 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4123 } 4124 break; 4125 default: 4126 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 4127 return -EINVAL; 4128 } 4129 return 0; 4130 } 4131 4132 /** 4133 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 4134 * @netdev: network interface device structure 4135 * @ee: EEPROM dump request structure 4136 * @data: buffer to be filled with EEPROM contents 4137 */ 4138 static int 4139 ice_get_module_eeprom(struct net_device *netdev, 4140 struct ethtool_eeprom *ee, u8 *data) 4141 { 4142 struct ice_netdev_priv *np = netdev_priv(netdev); 4143 #define SFF_READ_BLOCK_SIZE 8 4144 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 4145 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 4146 struct ice_vsi *vsi = np->vsi; 4147 struct ice_pf *pf = vsi->back; 4148 struct ice_hw *hw = &pf->hw; 4149 bool is_sfp = false; 4150 unsigned int i, j; 4151 u16 offset = 0; 4152 u8 page = 0; 4153 int status; 4154 4155 if (!ee || !ee->len || !data) 4156 return -EINVAL; 4157 4158 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 4159 NULL); 4160 if (status) 4161 return status; 4162 4163 if (value[0] == ICE_MODULE_TYPE_SFP) 4164 is_sfp = true; 4165 4166 memset(data, 0, ee->len); 4167 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 4168 offset = i + ee->offset; 4169 page = 0; 4170 4171 /* Check if we need to access the other memory page */ 4172 if (is_sfp) { 4173 if (offset >= ETH_MODULE_SFF_8079_LEN) { 4174 offset -= ETH_MODULE_SFF_8079_LEN; 4175 addr = ICE_I2C_EEPROM_DEV_ADDR2; 4176 } 4177 } else { 4178 while (offset >= ETH_MODULE_SFF_8436_LEN) { 4179 /* Compute memory page number and offset. */ 4180 offset -= ETH_MODULE_SFF_8436_LEN / 2; 4181 page++; 4182 } 4183 } 4184 4185 /* Bit 2 of EEPROM address 0x02 declares upper 4186 * pages are disabled on QSFP modules. 4187 * SFP modules only ever use page 0. 4188 */ 4189 if (page == 0 || !(data[0x2] & 0x4)) { 4190 u32 copy_len; 4191 4192 /* If i2c bus is busy due to slow page change or 4193 * link management access, call can fail. This is normal. 4194 * So we retry this a few times. 4195 */ 4196 for (j = 0; j < 4; j++) { 4197 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 4198 !is_sfp, value, 4199 SFF_READ_BLOCK_SIZE, 4200 0, NULL); 4201 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n", 4202 addr, offset, page, is_sfp, 4203 value[0], value[1], value[2], value[3], 4204 value[4], value[5], value[6], value[7], 4205 status); 4206 if (status) { 4207 usleep_range(1500, 2500); 4208 memset(value, 0, SFF_READ_BLOCK_SIZE); 4209 continue; 4210 } 4211 break; 4212 } 4213 4214 /* Make sure we have enough room for the new block */ 4215 copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i); 4216 memcpy(data + i, value, copy_len); 4217 } 4218 } 4219 return 0; 4220 } 4221 4222 static const struct ethtool_ops ice_ethtool_ops = { 4223 .cap_rss_ctx_supported = true, 4224 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 4225 ETHTOOL_COALESCE_USE_ADAPTIVE | 4226 ETHTOOL_COALESCE_RX_USECS_HIGH, 4227 .cap_rss_sym_xor_supported = true, 4228 .get_link_ksettings = ice_get_link_ksettings, 4229 .set_link_ksettings = ice_set_link_ksettings, 4230 .get_drvinfo = ice_get_drvinfo, 4231 .get_regs_len = ice_get_regs_len, 4232 .get_regs = ice_get_regs, 4233 .get_wol = ice_get_wol, 4234 .set_wol = ice_set_wol, 4235 .get_msglevel = ice_get_msglevel, 4236 .set_msglevel = ice_set_msglevel, 4237 .self_test = ice_self_test, 4238 .get_link = ethtool_op_get_link, 4239 .get_eeprom_len = ice_get_eeprom_len, 4240 .get_eeprom = ice_get_eeprom, 4241 .get_coalesce = ice_get_coalesce, 4242 .set_coalesce = ice_set_coalesce, 4243 .get_strings = ice_get_strings, 4244 .set_phys_id = ice_set_phys_id, 4245 .get_ethtool_stats = ice_get_ethtool_stats, 4246 .get_priv_flags = ice_get_priv_flags, 4247 .set_priv_flags = ice_set_priv_flags, 4248 .get_sset_count = ice_get_sset_count, 4249 .get_rxnfc = ice_get_rxnfc, 4250 .set_rxnfc = ice_set_rxnfc, 4251 .get_ringparam = ice_get_ringparam, 4252 .set_ringparam = ice_set_ringparam, 4253 .nway_reset = ice_nway_reset, 4254 .get_pauseparam = ice_get_pauseparam, 4255 .set_pauseparam = ice_set_pauseparam, 4256 .get_rxfh_key_size = ice_get_rxfh_key_size, 4257 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4258 .get_rxfh = ice_get_rxfh, 4259 .set_rxfh = ice_set_rxfh, 4260 .get_channels = ice_get_channels, 4261 .set_channels = ice_set_channels, 4262 .get_ts_info = ice_get_ts_info, 4263 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4264 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4265 .get_fecparam = ice_get_fecparam, 4266 .set_fecparam = ice_set_fecparam, 4267 .get_module_info = ice_get_module_info, 4268 .get_module_eeprom = ice_get_module_eeprom, 4269 }; 4270 4271 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4272 .get_link_ksettings = ice_get_link_ksettings, 4273 .set_link_ksettings = ice_set_link_ksettings, 4274 .get_drvinfo = ice_get_drvinfo, 4275 .get_regs_len = ice_get_regs_len, 4276 .get_regs = ice_get_regs, 4277 .get_wol = ice_get_wol, 4278 .set_wol = ice_set_wol, 4279 .get_msglevel = ice_get_msglevel, 4280 .set_msglevel = ice_set_msglevel, 4281 .get_link = ethtool_op_get_link, 4282 .get_eeprom_len = ice_get_eeprom_len, 4283 .get_eeprom = ice_get_eeprom, 4284 .get_strings = ice_get_strings, 4285 .get_ethtool_stats = ice_get_ethtool_stats, 4286 .get_sset_count = ice_get_sset_count, 4287 .get_ringparam = ice_get_ringparam, 4288 .set_ringparam = ice_set_ringparam, 4289 .nway_reset = ice_nway_reset, 4290 .get_channels = ice_get_channels, 4291 }; 4292 4293 /** 4294 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4295 * @netdev: network interface device structure 4296 */ 4297 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4298 { 4299 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4300 } 4301 4302 static const struct ethtool_ops ice_ethtool_repr_ops = { 4303 .get_drvinfo = ice_repr_get_drvinfo, 4304 .get_link = ethtool_op_get_link, 4305 .get_strings = ice_repr_get_strings, 4306 .get_ethtool_stats = ice_repr_get_ethtool_stats, 4307 .get_sset_count = ice_repr_get_sset_count, 4308 }; 4309 4310 /** 4311 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops 4312 * @netdev: network interface device structure 4313 */ 4314 void ice_set_ethtool_repr_ops(struct net_device *netdev) 4315 { 4316 netdev->ethtool_ops = &ice_ethtool_repr_ops; 4317 } 4318 4319 /** 4320 * ice_set_ethtool_ops - setup netdev ethtool ops 4321 * @netdev: network interface device structure 4322 * 4323 * setup netdev ethtool ops with ice specific ops 4324 */ 4325 void ice_set_ethtool_ops(struct net_device *netdev) 4326 { 4327 netdev->ethtool_ops = &ice_ethtool_ops; 4328 } 4329