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