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 14struct 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 31static 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 51static 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 70enum 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 78static 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 */ 97static 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_length_errors.nic", stats.rx_len_errors), 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 147static 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 326struct 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 336static 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 348static void 349__ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo, 350 struct ice_vsi *vsi) 351{ 352 struct ice_pf *pf = vsi->back; 353 struct ice_hw *hw = &pf->hw; 354 struct ice_orom_info *orom; 355 struct ice_nvm_info *nvm; 356 357 nvm = &hw->flash.nvm; 358 orom = &hw->flash.orom; 359 360 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 361 362 /* Display NVM version (from which the firmware version can be 363 * determined) which contains more pertinent information. 364 */ 365 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 366 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor, 367 nvm->eetrack, orom->major, orom->build, orom->patch); 368 369 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 370 sizeof(drvinfo->bus_info)); 371} 372 373static void 374ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 375{ 376 struct ice_netdev_priv *np = netdev_priv(netdev); 377 378 __ice_get_drvinfo(netdev, drvinfo, np->vsi); 379 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 380} 381 382static int ice_get_regs_len(struct net_device __always_unused *netdev) 383{ 384 return sizeof(ice_regs_dump_list); 385} 386 387static void 388ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 389{ 390 struct ice_netdev_priv *np = netdev_priv(netdev); 391 struct ice_pf *pf = np->vsi->back; 392 struct ice_hw *hw = &pf->hw; 393 u32 *regs_buf = (u32 *)p; 394 unsigned int i; 395 396 regs->version = 1; 397 398 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 399 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 400} 401 402static u32 ice_get_msglevel(struct net_device *netdev) 403{ 404 struct ice_netdev_priv *np = netdev_priv(netdev); 405 struct ice_pf *pf = np->vsi->back; 406 407#ifndef CONFIG_DYNAMIC_DEBUG 408 if (pf->hw.debug_mask) 409 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 410 pf->hw.debug_mask); 411#endif /* !CONFIG_DYNAMIC_DEBUG */ 412 413 return pf->msg_enable; 414} 415 416static void ice_set_msglevel(struct net_device *netdev, u32 data) 417{ 418 struct ice_netdev_priv *np = netdev_priv(netdev); 419 struct ice_pf *pf = np->vsi->back; 420 421#ifndef CONFIG_DYNAMIC_DEBUG 422 if (ICE_DBG_USER & data) 423 pf->hw.debug_mask = data; 424 else 425 pf->msg_enable = data; 426#else 427 pf->msg_enable = data; 428#endif /* !CONFIG_DYNAMIC_DEBUG */ 429} 430 431static int ice_get_eeprom_len(struct net_device *netdev) 432{ 433 struct ice_netdev_priv *np = netdev_priv(netdev); 434 struct ice_pf *pf = np->vsi->back; 435 436 return (int)pf->hw.flash.flash_size; 437} 438 439static int 440ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 441 u8 *bytes) 442{ 443 struct ice_netdev_priv *np = netdev_priv(netdev); 444 struct ice_vsi *vsi = np->vsi; 445 struct ice_pf *pf = vsi->back; 446 struct ice_hw *hw = &pf->hw; 447 struct device *dev; 448 int ret; 449 u8 *buf; 450 451 dev = ice_pf_to_dev(pf); 452 453 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 454 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 455 eeprom->cmd, eeprom->offset, eeprom->len); 456 457 buf = kzalloc(eeprom->len, GFP_KERNEL); 458 if (!buf) 459 return -ENOMEM; 460 461 ret = ice_acquire_nvm(hw, ICE_RES_READ); 462 if (ret) { 463 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n", 464 ret, ice_aq_str(hw->adminq.sq_last_status)); 465 goto out; 466 } 467 468 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 469 false); 470 if (ret) { 471 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n", 472 ret, ice_aq_str(hw->adminq.sq_last_status)); 473 goto release; 474 } 475 476 memcpy(bytes, buf, eeprom->len); 477release: 478 ice_release_nvm(hw); 479out: 480 kfree(buf); 481 return ret; 482} 483 484/** 485 * ice_active_vfs - check if there are any active VFs 486 * @pf: board private structure 487 * 488 * Returns true if an active VF is found, otherwise returns false 489 */ 490static bool ice_active_vfs(struct ice_pf *pf) 491{ 492 bool active = false; 493 struct ice_vf *vf; 494 unsigned int bkt; 495 496 rcu_read_lock(); 497 ice_for_each_vf_rcu(pf, bkt, vf) { 498 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 499 active = true; 500 break; 501 } 502 } 503 rcu_read_unlock(); 504 505 return active; 506} 507 508/** 509 * ice_link_test - perform a link test on a given net_device 510 * @netdev: network interface device structure 511 * 512 * This function performs one of the self-tests required by ethtool. 513 * Returns 0 on success, non-zero on failure. 514 */ 515static u64 ice_link_test(struct net_device *netdev) 516{ 517 struct ice_netdev_priv *np = netdev_priv(netdev); 518 bool link_up = false; 519 int status; 520 521 netdev_info(netdev, "link test\n"); 522 status = ice_get_link_status(np->vsi->port_info, &link_up); 523 if (status) { 524 netdev_err(netdev, "link query error, status = %d\n", 525 status); 526 return 1; 527 } 528 529 if (!link_up) 530 return 2; 531 532 return 0; 533} 534 535/** 536 * ice_eeprom_test - perform an EEPROM test on a given net_device 537 * @netdev: network interface device structure 538 * 539 * This function performs one of the self-tests required by ethtool. 540 * Returns 0 on success, non-zero on failure. 541 */ 542static u64 ice_eeprom_test(struct net_device *netdev) 543{ 544 struct ice_netdev_priv *np = netdev_priv(netdev); 545 struct ice_pf *pf = np->vsi->back; 546 547 netdev_info(netdev, "EEPROM test\n"); 548 return !!(ice_nvm_validate_checksum(&pf->hw)); 549} 550 551/** 552 * ice_reg_pattern_test 553 * @hw: pointer to the HW struct 554 * @reg: reg to be tested 555 * @mask: bits to be touched 556 */ 557static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 558{ 559 struct ice_pf *pf = (struct ice_pf *)hw->back; 560 struct device *dev = ice_pf_to_dev(pf); 561 static const u32 patterns[] = { 562 0x5A5A5A5A, 0xA5A5A5A5, 563 0x00000000, 0xFFFFFFFF 564 }; 565 u32 val, orig_val; 566 unsigned int i; 567 568 orig_val = rd32(hw, reg); 569 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 570 u32 pattern = patterns[i] & mask; 571 572 wr32(hw, reg, pattern); 573 val = rd32(hw, reg); 574 if (val == pattern) 575 continue; 576 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 577 , __func__, reg, pattern, val); 578 return 1; 579 } 580 581 wr32(hw, reg, orig_val); 582 val = rd32(hw, reg); 583 if (val != orig_val) { 584 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 585 , __func__, reg, orig_val, val); 586 return 1; 587 } 588 589 return 0; 590} 591 592/** 593 * ice_reg_test - perform a register test on a given net_device 594 * @netdev: network interface device structure 595 * 596 * This function performs one of the self-tests required by ethtool. 597 * Returns 0 on success, non-zero on failure. 598 */ 599static u64 ice_reg_test(struct net_device *netdev) 600{ 601 struct ice_netdev_priv *np = netdev_priv(netdev); 602 struct ice_hw *hw = np->vsi->port_info->hw; 603 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 604 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 605 struct ice_diag_reg_test_info { 606 u32 address; 607 u32 mask; 608 u32 elem_num; 609 u32 elem_size; 610 } ice_reg_list[] = { 611 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 612 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 613 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 614 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 615 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 616 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 617 {GLINT_CTL, 0xffff0001, 1, 0} 618 }; 619 unsigned int i; 620 621 netdev_dbg(netdev, "Register test\n"); 622 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 623 u32 j; 624 625 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 626 u32 mask = ice_reg_list[i].mask; 627 u32 reg = ice_reg_list[i].address + 628 (j * ice_reg_list[i].elem_size); 629 630 /* bail on failure (non-zero return) */ 631 if (ice_reg_pattern_test(hw, reg, mask)) 632 return 1; 633 } 634 } 635 636 return 0; 637} 638 639/** 640 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 641 * @vsi: pointer to the VSI structure 642 * 643 * Function configures rings of a VSI for loopback test without 644 * enabling interrupts or informing the kernel about new queues. 645 * 646 * Returns 0 on success, negative on failure. 647 */ 648static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 649{ 650 int status; 651 652 status = ice_vsi_setup_tx_rings(vsi); 653 if (status) 654 goto err_setup_tx_ring; 655 656 status = ice_vsi_setup_rx_rings(vsi); 657 if (status) 658 goto err_setup_rx_ring; 659 660 status = ice_vsi_cfg_lan(vsi); 661 if (status) 662 goto err_setup_rx_ring; 663 664 status = ice_vsi_start_all_rx_rings(vsi); 665 if (status) 666 goto err_start_rx_ring; 667 668 return 0; 669 670err_start_rx_ring: 671 ice_vsi_free_rx_rings(vsi); 672err_setup_rx_ring: 673 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 674err_setup_tx_ring: 675 ice_vsi_free_tx_rings(vsi); 676 677 return status; 678} 679 680/** 681 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 682 * @vsi: pointer to the VSI structure 683 * 684 * Function stops and frees VSI rings after a loopback test. 685 * Returns 0 on success, negative on failure. 686 */ 687static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 688{ 689 int status; 690 691 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 692 if (status) 693 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 694 vsi->vsi_num, status); 695 696 status = ice_vsi_stop_all_rx_rings(vsi); 697 if (status) 698 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 699 vsi->vsi_num, status); 700 701 ice_vsi_free_tx_rings(vsi); 702 ice_vsi_free_rx_rings(vsi); 703 704 return status; 705} 706 707/** 708 * ice_lbtest_create_frame - create test packet 709 * @pf: pointer to the PF structure 710 * @ret_data: allocated frame buffer 711 * @size: size of the packet data 712 * 713 * Function allocates a frame with a test pattern on specific offsets. 714 * Returns 0 on success, non-zero on failure. 715 */ 716static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 717{ 718 u8 *data; 719 720 if (!pf) 721 return -EINVAL; 722 723 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); 724 if (!data) 725 return -ENOMEM; 726 727 /* Since the ethernet test frame should always be at least 728 * 64 bytes long, fill some octets in the payload with test data. 729 */ 730 memset(data, 0xFF, size); 731 data[32] = 0xDE; 732 data[42] = 0xAD; 733 data[44] = 0xBE; 734 data[46] = 0xEF; 735 736 *ret_data = data; 737 738 return 0; 739} 740 741/** 742 * ice_lbtest_check_frame - verify received loopback frame 743 * @frame: pointer to the raw packet data 744 * 745 * Function verifies received test frame with a pattern. 746 * Returns true if frame matches the pattern, false otherwise. 747 */ 748static bool ice_lbtest_check_frame(u8 *frame) 749{ 750 /* Validate bytes of a frame under offsets chosen earlier */ 751 if (frame[32] == 0xDE && 752 frame[42] == 0xAD && 753 frame[44] == 0xBE && 754 frame[46] == 0xEF && 755 frame[48] == 0xFF) 756 return true; 757 758 return false; 759} 760 761/** 762 * ice_diag_send - send test frames to the test ring 763 * @tx_ring: pointer to the transmit ring 764 * @data: pointer to the raw packet data 765 * @size: size of the packet to send 766 * 767 * Function sends loopback packets on a test Tx ring. 768 */ 769static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size) 770{ 771 struct ice_tx_desc *tx_desc; 772 struct ice_tx_buf *tx_buf; 773 dma_addr_t dma; 774 u64 td_cmd; 775 776 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 777 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 778 779 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 780 if (dma_mapping_error(tx_ring->dev, dma)) 781 return -EINVAL; 782 783 tx_desc->buf_addr = cpu_to_le64(dma); 784 785 /* These flags are required for a descriptor to be pushed out */ 786 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 787 tx_desc->cmd_type_offset_bsz = 788 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 789 (td_cmd << ICE_TXD_QW1_CMD_S) | 790 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 791 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 792 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 793 794 tx_buf->next_to_watch = tx_desc; 795 796 /* Force memory write to complete before letting h/w know 797 * there are new descriptors to fetch. 798 */ 799 wmb(); 800 801 tx_ring->next_to_use++; 802 if (tx_ring->next_to_use >= tx_ring->count) 803 tx_ring->next_to_use = 0; 804 805 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 806 807 /* Wait until the packets get transmitted to the receive queue. */ 808 usleep_range(1000, 2000); 809 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 810 811 return 0; 812} 813 814#define ICE_LB_FRAME_SIZE 64 815/** 816 * ice_lbtest_receive_frames - receive and verify test frames 817 * @rx_ring: pointer to the receive ring 818 * 819 * Function receives loopback packets and verify their correctness. 820 * Returns number of received valid frames. 821 */ 822static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring) 823{ 824 struct ice_rx_buf *rx_buf; 825 int valid_frames, i; 826 u8 *received_buf; 827 828 valid_frames = 0; 829 830 for (i = 0; i < rx_ring->count; i++) { 831 union ice_32b_rx_flex_desc *rx_desc; 832 833 rx_desc = ICE_RX_DESC(rx_ring, i); 834 835 if (!(rx_desc->wb.status_error0 & 836 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) | 837 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S))))) 838 continue; 839 840 rx_buf = &rx_ring->rx_buf[i]; 841 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 842 843 if (ice_lbtest_check_frame(received_buf)) 844 valid_frames++; 845 } 846 847 return valid_frames; 848} 849 850/** 851 * ice_loopback_test - perform a loopback test on a given net_device 852 * @netdev: network interface device structure 853 * 854 * This function performs one of the self-tests required by ethtool. 855 * Returns 0 on success, non-zero on failure. 856 */ 857static u64 ice_loopback_test(struct net_device *netdev) 858{ 859 struct ice_netdev_priv *np = netdev_priv(netdev); 860 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 861 struct ice_pf *pf = orig_vsi->back; 862 u8 broadcast[ETH_ALEN], ret = 0; 863 int num_frames, valid_frames; 864 struct ice_tx_ring *tx_ring; 865 struct ice_rx_ring *rx_ring; 866 struct device *dev; 867 u8 *tx_frame; 868 int i; 869 870 dev = ice_pf_to_dev(pf); 871 netdev_info(netdev, "loopback test\n"); 872 873 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 874 if (!test_vsi) { 875 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 876 return 1; 877 } 878 879 test_vsi->netdev = netdev; 880 tx_ring = test_vsi->tx_rings[0]; 881 rx_ring = test_vsi->rx_rings[0]; 882 883 if (ice_lbtest_prepare_rings(test_vsi)) { 884 ret = 2; 885 goto lbtest_vsi_close; 886 } 887 888 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 889 ret = 3; 890 goto lbtest_rings_dis; 891 } 892 893 /* Enable MAC loopback in firmware */ 894 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 895 ret = 4; 896 goto lbtest_mac_dis; 897 } 898 899 /* Test VSI needs to receive broadcast packets */ 900 eth_broadcast_addr(broadcast); 901 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 902 ret = 5; 903 goto lbtest_mac_dis; 904 } 905 906 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 907 ret = 7; 908 goto remove_mac_filters; 909 } 910 911 num_frames = min_t(int, tx_ring->count, 32); 912 for (i = 0; i < num_frames; i++) { 913 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 914 ret = 8; 915 goto lbtest_free_frame; 916 } 917 } 918 919 valid_frames = ice_lbtest_receive_frames(rx_ring); 920 if (!valid_frames) 921 ret = 9; 922 else if (valid_frames != num_frames) 923 ret = 10; 924 925lbtest_free_frame: 926 devm_kfree(dev, tx_frame); 927remove_mac_filters: 928 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 929 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 930lbtest_mac_dis: 931 /* Disable MAC loopback after the test is completed. */ 932 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 933 netdev_err(netdev, "Could not disable MAC loopback\n"); 934lbtest_rings_dis: 935 if (ice_lbtest_disable_rings(test_vsi)) 936 netdev_err(netdev, "Could not disable test rings\n"); 937lbtest_vsi_close: 938 test_vsi->netdev = NULL; 939 if (ice_vsi_release(test_vsi)) 940 netdev_err(netdev, "Failed to remove the test VSI\n"); 941 942 return ret; 943} 944 945/** 946 * ice_intr_test - perform an interrupt test on a given net_device 947 * @netdev: network interface device structure 948 * 949 * This function performs one of the self-tests required by ethtool. 950 * Returns 0 on success, non-zero on failure. 951 */ 952static u64 ice_intr_test(struct net_device *netdev) 953{ 954 struct ice_netdev_priv *np = netdev_priv(netdev); 955 struct ice_pf *pf = np->vsi->back; 956 u16 swic_old = pf->sw_int_count; 957 958 netdev_info(netdev, "interrupt test\n"); 959 960 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index), 961 GLINT_DYN_CTL_SW_ITR_INDX_M | 962 GLINT_DYN_CTL_INTENA_MSK_M | 963 GLINT_DYN_CTL_SWINT_TRIG_M); 964 965 usleep_range(1000, 2000); 966 return (swic_old == pf->sw_int_count); 967} 968 969/** 970 * ice_self_test - handler function for performing a self-test by ethtool 971 * @netdev: network interface device structure 972 * @eth_test: ethtool_test structure 973 * @data: required by ethtool.self_test 974 * 975 * This function is called after invoking 'ethtool -t devname' command where 976 * devname is the name of the network device on which ethtool should operate. 977 * It performs a set of self-tests to check if a device works properly. 978 */ 979static void 980ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 981 u64 *data) 982{ 983 struct ice_netdev_priv *np = netdev_priv(netdev); 984 bool if_running = netif_running(netdev); 985 struct ice_pf *pf = np->vsi->back; 986 struct device *dev; 987 988 dev = ice_pf_to_dev(pf); 989 990 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 991 netdev_info(netdev, "offline testing starting\n"); 992 993 set_bit(ICE_TESTING, pf->state); 994 995 if (ice_active_vfs(pf)) { 996 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 997 data[ICE_ETH_TEST_REG] = 1; 998 data[ICE_ETH_TEST_EEPROM] = 1; 999 data[ICE_ETH_TEST_INTR] = 1; 1000 data[ICE_ETH_TEST_LOOP] = 1; 1001 data[ICE_ETH_TEST_LINK] = 1; 1002 eth_test->flags |= ETH_TEST_FL_FAILED; 1003 clear_bit(ICE_TESTING, pf->state); 1004 goto skip_ol_tests; 1005 } 1006 /* If the device is online then take it offline */ 1007 if (if_running) 1008 /* indicate we're in test mode */ 1009 ice_stop(netdev); 1010 1011 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1012 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 1013 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 1014 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 1015 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 1016 1017 if (data[ICE_ETH_TEST_LINK] || 1018 data[ICE_ETH_TEST_EEPROM] || 1019 data[ICE_ETH_TEST_LOOP] || 1020 data[ICE_ETH_TEST_INTR] || 1021 data[ICE_ETH_TEST_REG]) 1022 eth_test->flags |= ETH_TEST_FL_FAILED; 1023 1024 clear_bit(ICE_TESTING, pf->state); 1025 1026 if (if_running) { 1027 int status = ice_open(netdev); 1028 1029 if (status) { 1030 dev_err(dev, "Could not open device %s, err %d\n", 1031 pf->int_name, status); 1032 } 1033 } 1034 } else { 1035 /* Online tests */ 1036 netdev_info(netdev, "online testing starting\n"); 1037 1038 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 1039 if (data[ICE_ETH_TEST_LINK]) 1040 eth_test->flags |= ETH_TEST_FL_FAILED; 1041 1042 /* Offline only tests, not run in online; pass by default */ 1043 data[ICE_ETH_TEST_REG] = 0; 1044 data[ICE_ETH_TEST_EEPROM] = 0; 1045 data[ICE_ETH_TEST_INTR] = 0; 1046 data[ICE_ETH_TEST_LOOP] = 0; 1047 } 1048 1049skip_ol_tests: 1050 netdev_info(netdev, "testing finished\n"); 1051} 1052 1053static void 1054__ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data, 1055 struct ice_vsi *vsi) 1056{ 1057 unsigned int i; 1058 u8 *p = data; 1059 1060 switch (stringset) { 1061 case ETH_SS_STATS: 1062 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 1063 ethtool_sprintf(&p, 1064 ice_gstrings_vsi_stats[i].stat_string); 1065 1066 if (ice_is_port_repr_netdev(netdev)) 1067 return; 1068 1069 ice_for_each_alloc_txq(vsi, i) { 1070 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 1071 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 1072 } 1073 1074 ice_for_each_alloc_rxq(vsi, i) { 1075 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 1076 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 1077 } 1078 1079 if (vsi->type != ICE_VSI_PF) 1080 return; 1081 1082 for (i = 0; i < ICE_PF_STATS_LEN; i++) 1083 ethtool_sprintf(&p, 1084 ice_gstrings_pf_stats[i].stat_string); 1085 1086 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1087 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 1088 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 1089 } 1090 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 1091 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 1092 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 1093 } 1094 break; 1095 case ETH_SS_TEST: 1096 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 1097 break; 1098 case ETH_SS_PRIV_FLAGS: 1099 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 1100 ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name); 1101 break; 1102 default: 1103 break; 1104 } 1105} 1106 1107static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 1108{ 1109 struct ice_netdev_priv *np = netdev_priv(netdev); 1110 1111 __ice_get_strings(netdev, stringset, data, np->vsi); 1112} 1113 1114static int 1115ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 1116{ 1117 struct ice_netdev_priv *np = netdev_priv(netdev); 1118 bool led_active; 1119 1120 switch (state) { 1121 case ETHTOOL_ID_ACTIVE: 1122 led_active = true; 1123 break; 1124 case ETHTOOL_ID_INACTIVE: 1125 led_active = false; 1126 break; 1127 default: 1128 return -EINVAL; 1129 } 1130 1131 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 1132 return -EIO; 1133 1134 return 0; 1135} 1136 1137/** 1138 * ice_set_fec_cfg - Set link FEC options 1139 * @netdev: network interface device structure 1140 * @req_fec: FEC mode to configure 1141 */ 1142static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 1143{ 1144 struct ice_netdev_priv *np = netdev_priv(netdev); 1145 struct ice_aqc_set_phy_cfg_data config = { 0 }; 1146 struct ice_vsi *vsi = np->vsi; 1147 struct ice_port_info *pi; 1148 1149 pi = vsi->port_info; 1150 if (!pi) 1151 return -EOPNOTSUPP; 1152 1153 /* Changing the FEC parameters is not supported if not the PF VSI */ 1154 if (vsi->type != ICE_VSI_PF) { 1155 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 1156 return -EOPNOTSUPP; 1157 } 1158 1159 /* Proceed only if requesting different FEC mode */ 1160 if (pi->phy.curr_user_fec_req == req_fec) 1161 return 0; 1162 1163 /* Copy the current user PHY configuration. The current user PHY 1164 * configuration is initialized during probe from PHY capabilities 1165 * software mode, and updated on set PHY configuration. 1166 */ 1167 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 1168 1169 ice_cfg_phy_fec(pi, &config, req_fec); 1170 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1171 1172 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1173 return -EAGAIN; 1174 1175 /* Save requested FEC config */ 1176 pi->phy.curr_user_fec_req = req_fec; 1177 1178 return 0; 1179} 1180 1181/** 1182 * ice_set_fecparam - Set FEC link options 1183 * @netdev: network interface device structure 1184 * @fecparam: Ethtool structure to retrieve FEC parameters 1185 */ 1186static int 1187ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1188{ 1189 struct ice_netdev_priv *np = netdev_priv(netdev); 1190 struct ice_vsi *vsi = np->vsi; 1191 enum ice_fec_mode fec; 1192 1193 switch (fecparam->fec) { 1194 case ETHTOOL_FEC_AUTO: 1195 fec = ICE_FEC_AUTO; 1196 break; 1197 case ETHTOOL_FEC_RS: 1198 fec = ICE_FEC_RS; 1199 break; 1200 case ETHTOOL_FEC_BASER: 1201 fec = ICE_FEC_BASER; 1202 break; 1203 case ETHTOOL_FEC_OFF: 1204 case ETHTOOL_FEC_NONE: 1205 fec = ICE_FEC_NONE; 1206 break; 1207 default: 1208 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1209 fecparam->fec); 1210 return -EINVAL; 1211 } 1212 1213 return ice_set_fec_cfg(netdev, fec); 1214} 1215 1216/** 1217 * ice_get_fecparam - Get link FEC options 1218 * @netdev: network interface device structure 1219 * @fecparam: Ethtool structure to retrieve FEC parameters 1220 */ 1221static int 1222ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1223{ 1224 struct ice_netdev_priv *np = netdev_priv(netdev); 1225 struct ice_aqc_get_phy_caps_data *caps; 1226 struct ice_link_status *link_info; 1227 struct ice_vsi *vsi = np->vsi; 1228 struct ice_port_info *pi; 1229 int err; 1230 1231 pi = vsi->port_info; 1232 1233 if (!pi) 1234 return -EOPNOTSUPP; 1235 link_info = &pi->phy.link_info; 1236 1237 /* Set FEC mode based on negotiated link info */ 1238 switch (link_info->fec_info) { 1239 case ICE_AQ_LINK_25G_KR_FEC_EN: 1240 fecparam->active_fec = ETHTOOL_FEC_BASER; 1241 break; 1242 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1243 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1244 fecparam->active_fec = ETHTOOL_FEC_RS; 1245 break; 1246 default: 1247 fecparam->active_fec = ETHTOOL_FEC_OFF; 1248 break; 1249 } 1250 1251 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1252 if (!caps) 1253 return -ENOMEM; 1254 1255 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1256 caps, NULL); 1257 if (err) 1258 goto done; 1259 1260 /* Set supported/configured FEC modes based on PHY capability */ 1261 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1262 fecparam->fec |= ETHTOOL_FEC_AUTO; 1263 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1264 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1265 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1266 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1267 fecparam->fec |= ETHTOOL_FEC_BASER; 1268 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1269 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1270 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1271 fecparam->fec |= ETHTOOL_FEC_RS; 1272 if (caps->link_fec_options == 0) 1273 fecparam->fec |= ETHTOOL_FEC_OFF; 1274 1275done: 1276 kfree(caps); 1277 return err; 1278} 1279 1280/** 1281 * ice_nway_reset - restart autonegotiation 1282 * @netdev: network interface device structure 1283 */ 1284static int ice_nway_reset(struct net_device *netdev) 1285{ 1286 struct ice_netdev_priv *np = netdev_priv(netdev); 1287 struct ice_vsi *vsi = np->vsi; 1288 int err; 1289 1290 /* If VSI state is up, then restart autoneg with link up */ 1291 if (!test_bit(ICE_DOWN, vsi->back->state)) 1292 err = ice_set_link(vsi, true); 1293 else 1294 err = ice_set_link(vsi, false); 1295 1296 return err; 1297} 1298 1299/** 1300 * ice_get_priv_flags - report device private flags 1301 * @netdev: network interface device structure 1302 * 1303 * The get string set count and the string set should be matched for each 1304 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1305 * array. 1306 * 1307 * Returns a u32 bitmap of flags. 1308 */ 1309static u32 ice_get_priv_flags(struct net_device *netdev) 1310{ 1311 struct ice_netdev_priv *np = netdev_priv(netdev); 1312 struct ice_vsi *vsi = np->vsi; 1313 struct ice_pf *pf = vsi->back; 1314 u32 i, ret_flags = 0; 1315 1316 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1317 const struct ice_priv_flag *priv_flag; 1318 1319 priv_flag = &ice_gstrings_priv_flags[i]; 1320 1321 if (test_bit(priv_flag->bitno, pf->flags)) 1322 ret_flags |= BIT(i); 1323 } 1324 1325 return ret_flags; 1326} 1327 1328/** 1329 * ice_set_priv_flags - set private flags 1330 * @netdev: network interface device structure 1331 * @flags: bit flags to be set 1332 */ 1333static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1334{ 1335 struct ice_netdev_priv *np = netdev_priv(netdev); 1336 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1337 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1338 struct ice_vsi *vsi = np->vsi; 1339 struct ice_pf *pf = vsi->back; 1340 struct device *dev; 1341 int ret = 0; 1342 u32 i; 1343 1344 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1345 return -EINVAL; 1346 1347 dev = ice_pf_to_dev(pf); 1348 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1349 1350 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1351 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1352 const struct ice_priv_flag *priv_flag; 1353 1354 priv_flag = &ice_gstrings_priv_flags[i]; 1355 1356 if (flags & BIT(i)) 1357 set_bit(priv_flag->bitno, pf->flags); 1358 else 1359 clear_bit(priv_flag->bitno, pf->flags); 1360 } 1361 1362 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1363 1364 /* Do not allow change to link-down-on-close when Total Port Shutdown 1365 * is enabled. 1366 */ 1367 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1368 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1369 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1370 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1371 ret = -EINVAL; 1372 goto ethtool_exit; 1373 } 1374 1375 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1376 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1377 int status; 1378 1379 /* Disable FW LLDP engine */ 1380 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1381 1382 /* If unregistering for LLDP events fails, this is 1383 * not an error state, as there shouldn't be any 1384 * events to respond to. 1385 */ 1386 if (status) 1387 dev_info(dev, "Failed to unreg for LLDP events\n"); 1388 1389 /* The AQ call to stop the FW LLDP agent will generate 1390 * an error if the agent is already stopped. 1391 */ 1392 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1393 if (status) 1394 dev_warn(dev, "Fail to stop LLDP agent\n"); 1395 /* Use case for having the FW LLDP agent stopped 1396 * will likely not need DCB, so failure to init is 1397 * not a concern of ethtool 1398 */ 1399 status = ice_init_pf_dcb(pf, true); 1400 if (status) 1401 dev_warn(dev, "Fail to init DCB\n"); 1402 1403 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1404 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1405 } else { 1406 bool dcbx_agent_status; 1407 int status; 1408 1409 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { 1410 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); 1411 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); 1412 ret = -EOPNOTSUPP; 1413 goto ethtool_exit; 1414 } 1415 1416 /* Remove rule to direct LLDP packets to default VSI. 1417 * The FW LLDP engine will now be consuming them. 1418 */ 1419 ice_cfg_sw_lldp(vsi, false, false); 1420 1421 /* AQ command to start FW LLDP agent will return an 1422 * error if the agent is already started 1423 */ 1424 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1425 if (status) 1426 dev_warn(dev, "Fail to start LLDP Agent\n"); 1427 1428 /* AQ command to start FW DCBX agent will fail if 1429 * the agent is already started 1430 */ 1431 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1432 &dcbx_agent_status, 1433 NULL); 1434 if (status) 1435 dev_dbg(dev, "Failed to start FW DCBX\n"); 1436 1437 dev_info(dev, "FW DCBX agent is %s\n", 1438 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1439 1440 /* Failure to configure MIB change or init DCB is not 1441 * relevant to ethtool. Print notification that 1442 * registration/init failed but do not return error 1443 * state to ethtool 1444 */ 1445 status = ice_init_pf_dcb(pf, true); 1446 if (status) 1447 dev_dbg(dev, "Fail to init DCB\n"); 1448 1449 /* Register for MIB change events */ 1450 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1451 if (status) 1452 dev_dbg(dev, "Fail to enable MIB change events\n"); 1453 1454 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1455 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1456 1457 ice_nway_reset(netdev); 1458 } 1459 } 1460 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1461 /* down and up VSI so that changes of Rx cfg are reflected. */ 1462 ice_down_up(vsi); 1463 } 1464 /* don't allow modification of this flag when a single VF is in 1465 * promiscuous mode because it's not supported 1466 */ 1467 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1468 ice_is_any_vf_in_unicast_promisc(pf)) { 1469 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1470 /* toggle bit back to previous state */ 1471 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1472 ret = -EAGAIN; 1473 } 1474 1475 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) && 1476 ice_has_vfs(pf)) { 1477 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n"); 1478 /* toggle bit back to previous state */ 1479 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags); 1480 ret = -EOPNOTSUPP; 1481 } 1482ethtool_exit: 1483 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1484 return ret; 1485} 1486 1487static int ice_get_sset_count(struct net_device *netdev, int sset) 1488{ 1489 switch (sset) { 1490 case ETH_SS_STATS: 1491 /* The number (and order) of strings reported *must* remain 1492 * constant for a given netdevice. This function must not 1493 * report a different number based on run time parameters 1494 * (such as the number of queues in use, or the setting of 1495 * a private ethtool flag). This is due to the nature of the 1496 * ethtool stats API. 1497 * 1498 * Userspace programs such as ethtool must make 3 separate 1499 * ioctl requests, one for size, one for the strings, and 1500 * finally one for the stats. Since these cross into 1501 * userspace, changes to the number or size could result in 1502 * undefined memory access or incorrect string<->value 1503 * correlations for statistics. 1504 * 1505 * Even if it appears to be safe, changes to the size or 1506 * order of strings will suffer from race conditions and are 1507 * not safe. 1508 */ 1509 return ICE_ALL_STATS_LEN(netdev); 1510 case ETH_SS_TEST: 1511 return ICE_TEST_LEN; 1512 case ETH_SS_PRIV_FLAGS: 1513 return ICE_PRIV_FLAG_ARRAY_SIZE; 1514 default: 1515 return -EOPNOTSUPP; 1516 } 1517} 1518 1519static void 1520__ice_get_ethtool_stats(struct net_device *netdev, 1521 struct ethtool_stats __always_unused *stats, u64 *data, 1522 struct ice_vsi *vsi) 1523{ 1524 struct ice_pf *pf = vsi->back; 1525 struct ice_tx_ring *tx_ring; 1526 struct ice_rx_ring *rx_ring; 1527 unsigned int j; 1528 int i = 0; 1529 char *p; 1530 1531 ice_update_pf_stats(pf); 1532 ice_update_vsi_stats(vsi); 1533 1534 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1535 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1536 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1537 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1538 } 1539 1540 if (ice_is_port_repr_netdev(netdev)) 1541 return; 1542 1543 /* populate per queue stats */ 1544 rcu_read_lock(); 1545 1546 ice_for_each_alloc_txq(vsi, j) { 1547 tx_ring = READ_ONCE(vsi->tx_rings[j]); 1548 if (tx_ring && tx_ring->ring_stats) { 1549 data[i++] = tx_ring->ring_stats->stats.pkts; 1550 data[i++] = tx_ring->ring_stats->stats.bytes; 1551 } else { 1552 data[i++] = 0; 1553 data[i++] = 0; 1554 } 1555 } 1556 1557 ice_for_each_alloc_rxq(vsi, j) { 1558 rx_ring = READ_ONCE(vsi->rx_rings[j]); 1559 if (rx_ring && rx_ring->ring_stats) { 1560 data[i++] = rx_ring->ring_stats->stats.pkts; 1561 data[i++] = rx_ring->ring_stats->stats.bytes; 1562 } else { 1563 data[i++] = 0; 1564 data[i++] = 0; 1565 } 1566 } 1567 1568 rcu_read_unlock(); 1569 1570 if (vsi->type != ICE_VSI_PF) 1571 return; 1572 1573 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1574 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1575 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1576 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1577 } 1578 1579 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1580 data[i++] = pf->stats.priority_xon_tx[j]; 1581 data[i++] = pf->stats.priority_xoff_tx[j]; 1582 } 1583 1584 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1585 data[i++] = pf->stats.priority_xon_rx[j]; 1586 data[i++] = pf->stats.priority_xoff_rx[j]; 1587 } 1588} 1589 1590static void 1591ice_get_ethtool_stats(struct net_device *netdev, 1592 struct ethtool_stats __always_unused *stats, u64 *data) 1593{ 1594 struct ice_netdev_priv *np = netdev_priv(netdev); 1595 1596 __ice_get_ethtool_stats(netdev, stats, data, np->vsi); 1597} 1598 1599#define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1600 ICE_PHY_TYPE_LOW_100M_SGMII) 1601 1602#define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1603 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1604 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1605 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1606 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1607 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1608 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1609 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1610 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1611 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1612 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1613 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1614 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1615 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1616 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1617 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1618 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1619 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1620 1621#define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1622 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1623 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1624 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1625 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1626 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1627 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1628 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1629 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1630 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1631 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1632 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1633 ICE_PHY_TYPE_LOW_100GBASE_DR) 1634 1635#define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1636 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1637 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1638 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1639 ICE_PHY_TYPE_HIGH_100G_AUI2) 1640 1641/** 1642 * ice_mask_min_supported_speeds 1643 * @hw: pointer to the HW structure 1644 * @phy_types_high: PHY type high 1645 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1646 * 1647 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1648 * for ethtool supported link mode. 1649 */ 1650static void 1651ice_mask_min_supported_speeds(struct ice_hw *hw, 1652 u64 phy_types_high, u64 *phy_types_low) 1653{ 1654 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1655 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G || 1656 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) 1657 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1658 else if (!ice_is_100m_speed_supported(hw)) 1659 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1660} 1661 1662/** 1663 * ice_linkmode_set_bit - set link mode bit 1664 * @phy_to_ethtool: PHY type to ethtool link mode struct to set 1665 * @ks: ethtool link ksettings struct to fill out 1666 * @req_speeds: speed requested by user 1667 * @advert_phy_type: advertised PHY type 1668 * @phy_type: PHY type 1669 */ 1670static void 1671ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool, 1672 struct ethtool_link_ksettings *ks, u32 req_speeds, 1673 u64 advert_phy_type, u32 phy_type) 1674{ 1675 linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported); 1676 1677 if (req_speeds & phy_to_ethtool->aq_link_speed || 1678 (!req_speeds && advert_phy_type & BIT(phy_type))) 1679 linkmode_set_bit(phy_to_ethtool->link_mode, 1680 ks->link_modes.advertising); 1681} 1682 1683/** 1684 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1685 * @netdev: network interface device structure 1686 * @ks: ethtool link ksettings struct to fill out 1687 */ 1688static void 1689ice_phy_type_to_ethtool(struct net_device *netdev, 1690 struct ethtool_link_ksettings *ks) 1691{ 1692 struct ice_netdev_priv *np = netdev_priv(netdev); 1693 struct ice_vsi *vsi = np->vsi; 1694 struct ice_pf *pf = vsi->back; 1695 u64 advert_phy_type_lo = 0; 1696 u64 advert_phy_type_hi = 0; 1697 u64 phy_types_high = 0; 1698 u64 phy_types_low = 0; 1699 u32 req_speeds; 1700 u32 i; 1701 1702 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1703 1704 /* Check if lenient mode is supported and enabled, or in strict mode. 1705 * 1706 * In lenient mode the Supported link modes are the PHY types without 1707 * media. The Advertising link mode is either 1. the user requested 1708 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1709 * 1710 * In strict mode Supported link mode are the PHY type with media, 1711 * and Advertising link modes are the media PHY type or the speed 1712 * requested by user. 1713 */ 1714 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1715 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1716 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1717 1718 ice_mask_min_supported_speeds(&pf->hw, phy_types_high, 1719 &phy_types_low); 1720 /* determine advertised modes based on link override only 1721 * if it's supported and if the FW doesn't abstract the 1722 * driver from having to account for link overrides 1723 */ 1724 if (ice_fw_supports_link_override(&pf->hw) && 1725 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 1726 struct ice_link_default_override_tlv *ldo; 1727 1728 ldo = &pf->link_dflt_override; 1729 /* If override enabled and PHY mask set, then 1730 * Advertising link mode is the intersection of the PHY 1731 * types without media and the override PHY mask. 1732 */ 1733 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1734 (ldo->phy_type_low || ldo->phy_type_high)) { 1735 advert_phy_type_lo = 1736 le64_to_cpu(pf->nvm_phy_type_lo) & 1737 ldo->phy_type_low; 1738 advert_phy_type_hi = 1739 le64_to_cpu(pf->nvm_phy_type_hi) & 1740 ldo->phy_type_high; 1741 } 1742 } 1743 } else { 1744 /* strict mode */ 1745 phy_types_low = vsi->port_info->phy.phy_type_low; 1746 phy_types_high = vsi->port_info->phy.phy_type_high; 1747 } 1748 1749 /* If Advertising link mode PHY type is not using override PHY type, 1750 * then use PHY type with media. 1751 */ 1752 if (!advert_phy_type_lo && !advert_phy_type_hi) { 1753 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 1754 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 1755 } 1756 1757 linkmode_zero(ks->link_modes.supported); 1758 linkmode_zero(ks->link_modes.advertising); 1759 1760 for (i = 0; i < ARRAY_SIZE(phy_type_low_lkup); i++) { 1761 if (phy_types_low & BIT_ULL(i)) 1762 ice_linkmode_set_bit(&phy_type_low_lkup[i], ks, 1763 req_speeds, advert_phy_type_lo, 1764 i); 1765 } 1766 1767 for (i = 0; i < ARRAY_SIZE(phy_type_high_lkup); i++) { 1768 if (phy_types_high & BIT_ULL(i)) 1769 ice_linkmode_set_bit(&phy_type_high_lkup[i], ks, 1770 req_speeds, advert_phy_type_hi, 1771 i); 1772 } 1773} 1774 1775#define TEST_SET_BITS_TIMEOUT 50 1776#define TEST_SET_BITS_SLEEP_MAX 2000 1777#define TEST_SET_BITS_SLEEP_MIN 1000 1778 1779/** 1780 * ice_get_settings_link_up - Get Link settings for when link is up 1781 * @ks: ethtool ksettings to fill in 1782 * @netdev: network interface device structure 1783 */ 1784static void 1785ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1786 struct net_device *netdev) 1787{ 1788 struct ice_netdev_priv *np = netdev_priv(netdev); 1789 struct ice_port_info *pi = np->vsi->port_info; 1790 struct ice_link_status *link_info; 1791 struct ice_vsi *vsi = np->vsi; 1792 1793 link_info = &vsi->port_info->phy.link_info; 1794 1795 /* Get supported and advertised settings from PHY ability with media */ 1796 ice_phy_type_to_ethtool(netdev, ks); 1797 1798 switch (link_info->link_speed) { 1799 case ICE_AQ_LINK_SPEED_100GB: 1800 ks->base.speed = SPEED_100000; 1801 break; 1802 case ICE_AQ_LINK_SPEED_50GB: 1803 ks->base.speed = SPEED_50000; 1804 break; 1805 case ICE_AQ_LINK_SPEED_40GB: 1806 ks->base.speed = SPEED_40000; 1807 break; 1808 case ICE_AQ_LINK_SPEED_25GB: 1809 ks->base.speed = SPEED_25000; 1810 break; 1811 case ICE_AQ_LINK_SPEED_20GB: 1812 ks->base.speed = SPEED_20000; 1813 break; 1814 case ICE_AQ_LINK_SPEED_10GB: 1815 ks->base.speed = SPEED_10000; 1816 break; 1817 case ICE_AQ_LINK_SPEED_5GB: 1818 ks->base.speed = SPEED_5000; 1819 break; 1820 case ICE_AQ_LINK_SPEED_2500MB: 1821 ks->base.speed = SPEED_2500; 1822 break; 1823 case ICE_AQ_LINK_SPEED_1000MB: 1824 ks->base.speed = SPEED_1000; 1825 break; 1826 case ICE_AQ_LINK_SPEED_100MB: 1827 ks->base.speed = SPEED_100; 1828 break; 1829 default: 1830 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1831 link_info->link_speed); 1832 break; 1833 } 1834 ks->base.duplex = DUPLEX_FULL; 1835 1836 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1837 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1838 Autoneg); 1839 1840 /* Set flow control negotiated Rx/Tx pause */ 1841 switch (pi->fc.current_mode) { 1842 case ICE_FC_FULL: 1843 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1844 break; 1845 case ICE_FC_TX_PAUSE: 1846 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1847 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1848 Asym_Pause); 1849 break; 1850 case ICE_FC_RX_PAUSE: 1851 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1852 Asym_Pause); 1853 break; 1854 case ICE_FC_PFC: 1855 default: 1856 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1857 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1858 Asym_Pause); 1859 break; 1860 } 1861} 1862 1863/** 1864 * ice_get_settings_link_down - Get the Link settings when link is down 1865 * @ks: ethtool ksettings to fill in 1866 * @netdev: network interface device structure 1867 * 1868 * Reports link settings that can be determined when link is down 1869 */ 1870static void 1871ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1872 struct net_device *netdev) 1873{ 1874 /* link is down and the driver needs to fall back on 1875 * supported PHY types to figure out what info to display 1876 */ 1877 ice_phy_type_to_ethtool(netdev, ks); 1878 1879 /* With no link, speed and duplex are unknown */ 1880 ks->base.speed = SPEED_UNKNOWN; 1881 ks->base.duplex = DUPLEX_UNKNOWN; 1882} 1883 1884/** 1885 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1886 * @netdev: network interface device structure 1887 * @ks: ethtool ksettings 1888 * 1889 * Reports speed/duplex settings based on media_type 1890 */ 1891static int 1892ice_get_link_ksettings(struct net_device *netdev, 1893 struct ethtool_link_ksettings *ks) 1894{ 1895 struct ice_netdev_priv *np = netdev_priv(netdev); 1896 struct ice_aqc_get_phy_caps_data *caps; 1897 struct ice_link_status *hw_link_info; 1898 struct ice_vsi *vsi = np->vsi; 1899 int err; 1900 1901 ethtool_link_ksettings_zero_link_mode(ks, supported); 1902 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1903 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1904 hw_link_info = &vsi->port_info->phy.link_info; 1905 1906 /* set speed and duplex */ 1907 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 1908 ice_get_settings_link_up(ks, netdev); 1909 else 1910 ice_get_settings_link_down(ks, netdev); 1911 1912 /* set autoneg settings */ 1913 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 1914 AUTONEG_ENABLE : AUTONEG_DISABLE; 1915 1916 /* set media type settings */ 1917 switch (vsi->port_info->phy.media_type) { 1918 case ICE_MEDIA_FIBER: 1919 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1920 ks->base.port = PORT_FIBRE; 1921 break; 1922 case ICE_MEDIA_BASET: 1923 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 1924 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 1925 ks->base.port = PORT_TP; 1926 break; 1927 case ICE_MEDIA_BACKPLANE: 1928 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 1929 ethtool_link_ksettings_add_link_mode(ks, advertising, 1930 Backplane); 1931 ks->base.port = PORT_NONE; 1932 break; 1933 case ICE_MEDIA_DA: 1934 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1935 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 1936 ks->base.port = PORT_DA; 1937 break; 1938 default: 1939 ks->base.port = PORT_OTHER; 1940 break; 1941 } 1942 1943 /* flow control is symmetric and always supported */ 1944 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 1945 1946 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1947 if (!caps) 1948 return -ENOMEM; 1949 1950 err = ice_aq_get_phy_caps(vsi->port_info, false, 1951 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 1952 if (err) 1953 goto done; 1954 1955 /* Set the advertised flow control based on the PHY capability */ 1956 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 1957 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 1958 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 1959 ethtool_link_ksettings_add_link_mode(ks, advertising, 1960 Asym_Pause); 1961 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 1962 ethtool_link_ksettings_add_link_mode(ks, advertising, 1963 Asym_Pause); 1964 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 1965 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 1966 ethtool_link_ksettings_add_link_mode(ks, advertising, 1967 Asym_Pause); 1968 } else { 1969 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 1970 ethtool_link_ksettings_del_link_mode(ks, advertising, 1971 Asym_Pause); 1972 } 1973 1974 /* Set advertised FEC modes based on PHY capability */ 1975 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 1976 1977 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1978 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1979 ethtool_link_ksettings_add_link_mode(ks, advertising, 1980 FEC_BASER); 1981 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1982 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 1983 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 1984 1985 err = ice_aq_get_phy_caps(vsi->port_info, false, 1986 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 1987 if (err) 1988 goto done; 1989 1990 /* Set supported FEC modes based on PHY capability */ 1991 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 1992 1993 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1994 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 1995 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 1996 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1997 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 1998 1999 /* Set supported and advertised autoneg */ 2000 if (ice_is_phy_caps_an_enabled(caps)) { 2001 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2002 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2003 } 2004 2005done: 2006 kfree(caps); 2007 return err; 2008} 2009 2010/** 2011 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2012 * @ks: ethtool ksettings 2013 */ 2014static u16 2015ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2016{ 2017 u16 adv_link_speed = 0; 2018 2019 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2020 100baseT_Full)) 2021 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2022 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2023 1000baseX_Full) || 2024 ethtool_link_ksettings_test_link_mode(ks, advertising, 2025 1000baseT_Full) || 2026 ethtool_link_ksettings_test_link_mode(ks, advertising, 2027 1000baseKX_Full)) 2028 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2029 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2030 2500baseT_Full) || 2031 ethtool_link_ksettings_test_link_mode(ks, advertising, 2032 2500baseX_Full)) 2033 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2034 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2035 5000baseT_Full)) 2036 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2037 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2038 10000baseT_Full) || 2039 ethtool_link_ksettings_test_link_mode(ks, advertising, 2040 10000baseKR_Full) || 2041 ethtool_link_ksettings_test_link_mode(ks, advertising, 2042 10000baseSR_Full) || 2043 ethtool_link_ksettings_test_link_mode(ks, advertising, 2044 10000baseLR_Full)) 2045 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2046 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2047 25000baseCR_Full) || 2048 ethtool_link_ksettings_test_link_mode(ks, advertising, 2049 25000baseSR_Full) || 2050 ethtool_link_ksettings_test_link_mode(ks, advertising, 2051 25000baseKR_Full)) 2052 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2053 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2054 40000baseCR4_Full) || 2055 ethtool_link_ksettings_test_link_mode(ks, advertising, 2056 40000baseSR4_Full) || 2057 ethtool_link_ksettings_test_link_mode(ks, advertising, 2058 40000baseLR4_Full) || 2059 ethtool_link_ksettings_test_link_mode(ks, advertising, 2060 40000baseKR4_Full)) 2061 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2062 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2063 50000baseCR2_Full) || 2064 ethtool_link_ksettings_test_link_mode(ks, advertising, 2065 50000baseKR2_Full) || 2066 ethtool_link_ksettings_test_link_mode(ks, advertising, 2067 50000baseSR2_Full)) 2068 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2069 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2070 100000baseCR4_Full) || 2071 ethtool_link_ksettings_test_link_mode(ks, advertising, 2072 100000baseSR4_Full) || 2073 ethtool_link_ksettings_test_link_mode(ks, advertising, 2074 100000baseLR4_ER4_Full) || 2075 ethtool_link_ksettings_test_link_mode(ks, advertising, 2076 100000baseKR4_Full) || 2077 ethtool_link_ksettings_test_link_mode(ks, advertising, 2078 100000baseCR2_Full) || 2079 ethtool_link_ksettings_test_link_mode(ks, advertising, 2080 100000baseSR2_Full) || 2081 ethtool_link_ksettings_test_link_mode(ks, advertising, 2082 100000baseKR2_Full)) 2083 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2084 2085 return adv_link_speed; 2086} 2087 2088/** 2089 * ice_setup_autoneg 2090 * @p: port info 2091 * @ks: ethtool_link_ksettings 2092 * @config: configuration that will be sent down to FW 2093 * @autoneg_enabled: autonegotiation is enabled or not 2094 * @autoneg_changed: will there a change in autonegotiation 2095 * @netdev: network interface device structure 2096 * 2097 * Setup PHY autonegotiation feature 2098 */ 2099static int 2100ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2101 struct ice_aqc_set_phy_cfg_data *config, 2102 u8 autoneg_enabled, u8 *autoneg_changed, 2103 struct net_device *netdev) 2104{ 2105 int err = 0; 2106 2107 *autoneg_changed = 0; 2108 2109 /* Check autoneg */ 2110 if (autoneg_enabled == AUTONEG_ENABLE) { 2111 /* If autoneg was not already enabled */ 2112 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2113 /* If autoneg is not supported, return error */ 2114 if (!ethtool_link_ksettings_test_link_mode(ks, 2115 supported, 2116 Autoneg)) { 2117 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2118 err = -EINVAL; 2119 } else { 2120 /* Autoneg is allowed to change */ 2121 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2122 *autoneg_changed = 1; 2123 } 2124 } 2125 } else { 2126 /* If autoneg is currently enabled */ 2127 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2128 /* If autoneg is supported 10GBASE_T is the only PHY 2129 * that can disable it, so otherwise return error 2130 */ 2131 if (ethtool_link_ksettings_test_link_mode(ks, 2132 supported, 2133 Autoneg)) { 2134 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2135 err = -EINVAL; 2136 } else { 2137 /* Autoneg is allowed to change */ 2138 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2139 *autoneg_changed = 1; 2140 } 2141 } 2142 } 2143 2144 return err; 2145} 2146 2147/** 2148 * ice_set_phy_type_from_speed - set phy_types based on speeds 2149 * and advertised modes 2150 * @ks: ethtool link ksettings struct 2151 * @phy_type_low: pointer to the lower part of phy_type 2152 * @phy_type_high: pointer to the higher part of phy_type 2153 * @adv_link_speed: targeted link speeds bitmap 2154 */ 2155static void 2156ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks, 2157 u64 *phy_type_low, u64 *phy_type_high, 2158 u16 adv_link_speed) 2159{ 2160 /* Handle 1000M speed in a special way because ice_update_phy_type 2161 * enables all link modes, but having mixed copper and optical 2162 * standards is not supported. 2163 */ 2164 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB; 2165 2166 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2167 1000baseT_Full)) 2168 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T | 2169 ICE_PHY_TYPE_LOW_1G_SGMII; 2170 2171 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2172 1000baseKX_Full)) 2173 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX; 2174 2175 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2176 1000baseX_Full)) 2177 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX | 2178 ICE_PHY_TYPE_LOW_1000BASE_LX; 2179 2180 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed); 2181} 2182 2183/** 2184 * ice_set_link_ksettings - Set Speed and Duplex 2185 * @netdev: network interface device structure 2186 * @ks: ethtool ksettings 2187 * 2188 * Set speed/duplex per media_types advertised/forced 2189 */ 2190static int 2191ice_set_link_ksettings(struct net_device *netdev, 2192 const struct ethtool_link_ksettings *ks) 2193{ 2194 struct ice_netdev_priv *np = netdev_priv(netdev); 2195 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2196 struct ethtool_link_ksettings copy_ks = *ks; 2197 struct ethtool_link_ksettings safe_ks = {}; 2198 struct ice_aqc_get_phy_caps_data *phy_caps; 2199 struct ice_aqc_set_phy_cfg_data config; 2200 u16 adv_link_speed, curr_link_speed; 2201 struct ice_pf *pf = np->vsi->back; 2202 struct ice_port_info *pi; 2203 u8 autoneg_changed = 0; 2204 u64 phy_type_high = 0; 2205 u64 phy_type_low = 0; 2206 bool linkup; 2207 int err; 2208 2209 pi = np->vsi->port_info; 2210 2211 if (!pi) 2212 return -EIO; 2213 2214 if (pi->phy.media_type != ICE_MEDIA_BASET && 2215 pi->phy.media_type != ICE_MEDIA_FIBER && 2216 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2217 pi->phy.media_type != ICE_MEDIA_DA && 2218 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2219 return -EOPNOTSUPP; 2220 2221 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2222 if (!phy_caps) 2223 return -ENOMEM; 2224 2225 /* Get the PHY capabilities based on media */ 2226 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2227 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2228 phy_caps, NULL); 2229 else 2230 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2231 phy_caps, NULL); 2232 if (err) 2233 goto done; 2234 2235 /* save autoneg out of ksettings */ 2236 autoneg = copy_ks.base.autoneg; 2237 2238 /* Get link modes supported by hardware.*/ 2239 ice_phy_type_to_ethtool(netdev, &safe_ks); 2240 2241 /* and check against modes requested by user. 2242 * Return an error if unsupported mode was set. 2243 */ 2244 if (!bitmap_subset(copy_ks.link_modes.advertising, 2245 safe_ks.link_modes.supported, 2246 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2247 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2248 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"); 2249 err = -EOPNOTSUPP; 2250 goto done; 2251 } 2252 2253 /* get our own copy of the bits to check against */ 2254 memset(&safe_ks, 0, sizeof(safe_ks)); 2255 safe_ks.base.cmd = copy_ks.base.cmd; 2256 safe_ks.base.link_mode_masks_nwords = 2257 copy_ks.base.link_mode_masks_nwords; 2258 ice_get_link_ksettings(netdev, &safe_ks); 2259 2260 /* set autoneg back to what it currently is */ 2261 copy_ks.base.autoneg = safe_ks.base.autoneg; 2262 /* we don't compare the speed */ 2263 copy_ks.base.speed = safe_ks.base.speed; 2264 2265 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2266 * trying to set something that we do not support. 2267 */ 2268 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2269 err = -EOPNOTSUPP; 2270 goto done; 2271 } 2272 2273 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2274 timeout--; 2275 if (!timeout) { 2276 err = -EBUSY; 2277 goto done; 2278 } 2279 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2280 } 2281 2282 /* Copy the current user PHY configuration. The current user PHY 2283 * configuration is initialized during probe from PHY capabilities 2284 * software mode, and updated on set PHY configuration. 2285 */ 2286 config = pi->phy.curr_user_phy_cfg; 2287 2288 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2289 2290 /* Check autoneg */ 2291 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2292 netdev); 2293 2294 if (err) 2295 goto done; 2296 2297 /* Call to get the current link speed */ 2298 pi->phy.get_link_info = true; 2299 err = ice_get_link_status(pi, &linkup); 2300 if (err) 2301 goto done; 2302 2303 curr_link_speed = pi->phy.curr_user_speed_req; 2304 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2305 2306 /* If speed didn't get set, set it to what it currently is. 2307 * This is needed because if advertise is 0 (as it is when autoneg 2308 * is disabled) then speed won't get set. 2309 */ 2310 if (!adv_link_speed) 2311 adv_link_speed = curr_link_speed; 2312 2313 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2314 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high, 2315 adv_link_speed); 2316 2317 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2318 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2319 goto done; 2320 } 2321 2322 /* save the requested speeds */ 2323 pi->phy.link_info.req_speeds = adv_link_speed; 2324 2325 /* set link and auto negotiation so changes take effect */ 2326 config.caps |= ICE_AQ_PHY_ENA_LINK; 2327 2328 /* check if there is a PHY type for the requested advertised speed */ 2329 if (!(phy_type_low || phy_type_high)) { 2330 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2331 err = -EOPNOTSUPP; 2332 goto done; 2333 } 2334 2335 /* intersect requested advertised speed PHY types with media PHY types 2336 * for set PHY configuration 2337 */ 2338 config.phy_type_high = cpu_to_le64(phy_type_high) & 2339 phy_caps->phy_type_high; 2340 config.phy_type_low = cpu_to_le64(phy_type_low) & 2341 phy_caps->phy_type_low; 2342 2343 if (!(config.phy_type_high || config.phy_type_low)) { 2344 /* If there is no intersection and lenient mode is enabled, then 2345 * intersect the requested advertised speed with NVM media type 2346 * PHY types. 2347 */ 2348 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2349 config.phy_type_high = cpu_to_le64(phy_type_high) & 2350 pf->nvm_phy_type_hi; 2351 config.phy_type_low = cpu_to_le64(phy_type_low) & 2352 pf->nvm_phy_type_lo; 2353 } else { 2354 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"); 2355 err = -EOPNOTSUPP; 2356 goto done; 2357 } 2358 } 2359 2360 /* If link is up put link down */ 2361 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2362 /* Tell the OS link is going down, the link will go 2363 * back up when fw says it is ready asynchronously 2364 */ 2365 ice_print_link_msg(np->vsi, false); 2366 netif_carrier_off(netdev); 2367 netif_tx_stop_all_queues(netdev); 2368 } 2369 2370 /* make the aq call */ 2371 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2372 if (err) { 2373 netdev_info(netdev, "Set phy config failed,\n"); 2374 goto done; 2375 } 2376 2377 /* Save speed request */ 2378 pi->phy.curr_user_speed_req = adv_link_speed; 2379done: 2380 kfree(phy_caps); 2381 clear_bit(ICE_CFG_BUSY, pf->state); 2382 2383 return err; 2384} 2385 2386/** 2387 * ice_parse_hdrs - parses headers from RSS hash input 2388 * @nfc: ethtool rxnfc command 2389 * 2390 * This function parses the rxnfc command and returns intended 2391 * header types for RSS configuration 2392 */ 2393static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2394{ 2395 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2396 2397 switch (nfc->flow_type) { 2398 case TCP_V4_FLOW: 2399 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2400 break; 2401 case UDP_V4_FLOW: 2402 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2403 break; 2404 case SCTP_V4_FLOW: 2405 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2406 break; 2407 case TCP_V6_FLOW: 2408 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2409 break; 2410 case UDP_V6_FLOW: 2411 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2412 break; 2413 case SCTP_V6_FLOW: 2414 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2415 break; 2416 default: 2417 break; 2418 } 2419 return hdrs; 2420} 2421 2422#define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) 2423#define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) 2424#define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) 2425#define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) 2426#define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) 2427#define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) 2428#define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) 2429#define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) 2430#define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ 2431 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) 2432#define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ 2433 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) 2434 2435/** 2436 * ice_parse_hash_flds - parses hash fields from RSS hash input 2437 * @nfc: ethtool rxnfc command 2438 * 2439 * This function parses the rxnfc command and returns intended 2440 * hash fields for RSS configuration 2441 */ 2442static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) 2443{ 2444 u64 hfld = ICE_HASH_INVALID; 2445 2446 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2447 switch (nfc->flow_type) { 2448 case TCP_V4_FLOW: 2449 case UDP_V4_FLOW: 2450 case SCTP_V4_FLOW: 2451 if (nfc->data & RXH_IP_SRC) 2452 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2453 if (nfc->data & RXH_IP_DST) 2454 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2455 break; 2456 case TCP_V6_FLOW: 2457 case UDP_V6_FLOW: 2458 case SCTP_V6_FLOW: 2459 if (nfc->data & RXH_IP_SRC) 2460 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2461 if (nfc->data & RXH_IP_DST) 2462 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2463 break; 2464 default: 2465 break; 2466 } 2467 } 2468 2469 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2470 switch (nfc->flow_type) { 2471 case TCP_V4_FLOW: 2472 case TCP_V6_FLOW: 2473 if (nfc->data & RXH_L4_B_0_1) 2474 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2475 if (nfc->data & RXH_L4_B_2_3) 2476 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2477 break; 2478 case UDP_V4_FLOW: 2479 case UDP_V6_FLOW: 2480 if (nfc->data & RXH_L4_B_0_1) 2481 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2482 if (nfc->data & RXH_L4_B_2_3) 2483 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2484 break; 2485 case SCTP_V4_FLOW: 2486 case SCTP_V6_FLOW: 2487 if (nfc->data & RXH_L4_B_0_1) 2488 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2489 if (nfc->data & RXH_L4_B_2_3) 2490 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2491 break; 2492 default: 2493 break; 2494 } 2495 } 2496 2497 return hfld; 2498} 2499 2500/** 2501 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2502 * @vsi: the VSI being configured 2503 * @nfc: ethtool rxnfc command 2504 * 2505 * Returns Success if the flow input set is supported. 2506 */ 2507static int 2508ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2509{ 2510 struct ice_pf *pf = vsi->back; 2511 struct device *dev; 2512 u64 hashed_flds; 2513 int status; 2514 u32 hdrs; 2515 2516 dev = ice_pf_to_dev(pf); 2517 if (ice_is_safe_mode(pf)) { 2518 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2519 vsi->vsi_num); 2520 return -EINVAL; 2521 } 2522 2523 hashed_flds = ice_parse_hash_flds(nfc); 2524 if (hashed_flds == ICE_HASH_INVALID) { 2525 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2526 vsi->vsi_num); 2527 return -EINVAL; 2528 } 2529 2530 hdrs = ice_parse_hdrs(nfc); 2531 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2532 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2533 vsi->vsi_num); 2534 return -EINVAL; 2535 } 2536 2537 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); 2538 if (status) { 2539 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n", 2540 vsi->vsi_num, status); 2541 return status; 2542 } 2543 2544 return 0; 2545} 2546 2547/** 2548 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2549 * @vsi: the VSI being configured 2550 * @nfc: ethtool rxnfc command 2551 */ 2552static void 2553ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2554{ 2555 struct ice_pf *pf = vsi->back; 2556 struct device *dev; 2557 u64 hash_flds; 2558 u32 hdrs; 2559 2560 dev = ice_pf_to_dev(pf); 2561 2562 nfc->data = 0; 2563 if (ice_is_safe_mode(pf)) { 2564 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2565 vsi->vsi_num); 2566 return; 2567 } 2568 2569 hdrs = ice_parse_hdrs(nfc); 2570 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2571 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2572 vsi->vsi_num); 2573 return; 2574 } 2575 2576 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); 2577 if (hash_flds == ICE_HASH_INVALID) { 2578 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2579 vsi->vsi_num); 2580 return; 2581 } 2582 2583 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2584 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2585 nfc->data |= (u64)RXH_IP_SRC; 2586 2587 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2588 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2589 nfc->data |= (u64)RXH_IP_DST; 2590 2591 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2592 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2593 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2594 nfc->data |= (u64)RXH_L4_B_0_1; 2595 2596 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2597 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2598 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2599 nfc->data |= (u64)RXH_L4_B_2_3; 2600} 2601 2602/** 2603 * ice_set_rxnfc - command to set Rx flow rules. 2604 * @netdev: network interface device structure 2605 * @cmd: ethtool rxnfc command 2606 * 2607 * Returns 0 for success and negative values for errors 2608 */ 2609static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2610{ 2611 struct ice_netdev_priv *np = netdev_priv(netdev); 2612 struct ice_vsi *vsi = np->vsi; 2613 2614 switch (cmd->cmd) { 2615 case ETHTOOL_SRXCLSRLINS: 2616 return ice_add_fdir_ethtool(vsi, cmd); 2617 case ETHTOOL_SRXCLSRLDEL: 2618 return ice_del_fdir_ethtool(vsi, cmd); 2619 case ETHTOOL_SRXFH: 2620 return ice_set_rss_hash_opt(vsi, cmd); 2621 default: 2622 break; 2623 } 2624 return -EOPNOTSUPP; 2625} 2626 2627/** 2628 * ice_get_rxnfc - command to get Rx flow classification rules 2629 * @netdev: network interface device structure 2630 * @cmd: ethtool rxnfc command 2631 * @rule_locs: buffer to rturn Rx flow classification rules 2632 * 2633 * Returns Success if the command is supported. 2634 */ 2635static int 2636ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2637 u32 __always_unused *rule_locs) 2638{ 2639 struct ice_netdev_priv *np = netdev_priv(netdev); 2640 struct ice_vsi *vsi = np->vsi; 2641 int ret = -EOPNOTSUPP; 2642 struct ice_hw *hw; 2643 2644 hw = &vsi->back->hw; 2645 2646 switch (cmd->cmd) { 2647 case ETHTOOL_GRXRINGS: 2648 cmd->data = vsi->rss_size; 2649 ret = 0; 2650 break; 2651 case ETHTOOL_GRXCLSRLCNT: 2652 cmd->rule_cnt = hw->fdir_active_fltr; 2653 /* report total rule count */ 2654 cmd->data = ice_get_fdir_cnt_all(hw); 2655 ret = 0; 2656 break; 2657 case ETHTOOL_GRXCLSRULE: 2658 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2659 break; 2660 case ETHTOOL_GRXCLSRLALL: 2661 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2662 break; 2663 case ETHTOOL_GRXFH: 2664 ice_get_rss_hash_opt(vsi, cmd); 2665 ret = 0; 2666 break; 2667 default: 2668 break; 2669 } 2670 2671 return ret; 2672} 2673 2674static void 2675ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2676 struct kernel_ethtool_ringparam *kernel_ring, 2677 struct netlink_ext_ack *extack) 2678{ 2679 struct ice_netdev_priv *np = netdev_priv(netdev); 2680 struct ice_vsi *vsi = np->vsi; 2681 2682 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2683 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2684 if (vsi->tx_rings && vsi->rx_rings) { 2685 ring->rx_pending = vsi->rx_rings[0]->count; 2686 ring->tx_pending = vsi->tx_rings[0]->count; 2687 } else { 2688 ring->rx_pending = 0; 2689 ring->tx_pending = 0; 2690 } 2691 2692 /* Rx mini and jumbo rings are not supported */ 2693 ring->rx_mini_max_pending = 0; 2694 ring->rx_jumbo_max_pending = 0; 2695 ring->rx_mini_pending = 0; 2696 ring->rx_jumbo_pending = 0; 2697} 2698 2699static int 2700ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2701 struct kernel_ethtool_ringparam *kernel_ring, 2702 struct netlink_ext_ack *extack) 2703{ 2704 struct ice_netdev_priv *np = netdev_priv(netdev); 2705 struct ice_tx_ring *xdp_rings = NULL; 2706 struct ice_tx_ring *tx_rings = NULL; 2707 struct ice_rx_ring *rx_rings = NULL; 2708 struct ice_vsi *vsi = np->vsi; 2709 struct ice_pf *pf = vsi->back; 2710 int i, timeout = 50, err = 0; 2711 u16 new_rx_cnt, new_tx_cnt; 2712 2713 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2714 ring->tx_pending < ICE_MIN_NUM_DESC || 2715 ring->rx_pending > ICE_MAX_NUM_DESC || 2716 ring->rx_pending < ICE_MIN_NUM_DESC) { 2717 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2718 ring->tx_pending, ring->rx_pending, 2719 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2720 ICE_REQ_DESC_MULTIPLE); 2721 return -EINVAL; 2722 } 2723 2724 /* Return if there is no rings (device is reloading) */ 2725 if (!vsi->tx_rings || !vsi->rx_rings) 2726 return -EBUSY; 2727 2728 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2729 if (new_tx_cnt != ring->tx_pending) 2730 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2731 new_tx_cnt); 2732 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2733 if (new_rx_cnt != ring->rx_pending) 2734 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2735 new_rx_cnt); 2736 2737 /* if nothing to do return success */ 2738 if (new_tx_cnt == vsi->tx_rings[0]->count && 2739 new_rx_cnt == vsi->rx_rings[0]->count) { 2740 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2741 return 0; 2742 } 2743 2744 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2745 * disallow changing the number of descriptors -- regardless 2746 * if the netdev is running or not. 2747 */ 2748 if (ice_xsk_any_rx_ring_ena(vsi)) 2749 return -EBUSY; 2750 2751 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2752 timeout--; 2753 if (!timeout) 2754 return -EBUSY; 2755 usleep_range(1000, 2000); 2756 } 2757 2758 /* set for the next time the netdev is started */ 2759 if (!netif_running(vsi->netdev)) { 2760 ice_for_each_alloc_txq(vsi, i) 2761 vsi->tx_rings[i]->count = new_tx_cnt; 2762 ice_for_each_alloc_rxq(vsi, i) 2763 vsi->rx_rings[i]->count = new_rx_cnt; 2764 if (ice_is_xdp_ena_vsi(vsi)) 2765 ice_for_each_xdp_txq(vsi, i) 2766 vsi->xdp_rings[i]->count = new_tx_cnt; 2767 vsi->num_tx_desc = (u16)new_tx_cnt; 2768 vsi->num_rx_desc = (u16)new_rx_cnt; 2769 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2770 goto done; 2771 } 2772 2773 if (new_tx_cnt == vsi->tx_rings[0]->count) 2774 goto process_rx; 2775 2776 /* alloc updated Tx resources */ 2777 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2778 vsi->tx_rings[0]->count, new_tx_cnt); 2779 2780 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2781 if (!tx_rings) { 2782 err = -ENOMEM; 2783 goto done; 2784 } 2785 2786 ice_for_each_txq(vsi, i) { 2787 /* clone ring and setup updated count */ 2788 tx_rings[i] = *vsi->tx_rings[i]; 2789 tx_rings[i].count = new_tx_cnt; 2790 tx_rings[i].desc = NULL; 2791 tx_rings[i].tx_buf = NULL; 2792 tx_rings[i].tx_tstamps = &pf->ptp.port.tx; 2793 err = ice_setup_tx_ring(&tx_rings[i]); 2794 if (err) { 2795 while (i--) 2796 ice_clean_tx_ring(&tx_rings[i]); 2797 kfree(tx_rings); 2798 goto done; 2799 } 2800 } 2801 2802 if (!ice_is_xdp_ena_vsi(vsi)) 2803 goto process_rx; 2804 2805 /* alloc updated XDP resources */ 2806 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2807 vsi->xdp_rings[0]->count, new_tx_cnt); 2808 2809 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2810 if (!xdp_rings) { 2811 err = -ENOMEM; 2812 goto free_tx; 2813 } 2814 2815 ice_for_each_xdp_txq(vsi, i) { 2816 /* clone ring and setup updated count */ 2817 xdp_rings[i] = *vsi->xdp_rings[i]; 2818 xdp_rings[i].count = new_tx_cnt; 2819 xdp_rings[i].desc = NULL; 2820 xdp_rings[i].tx_buf = NULL; 2821 err = ice_setup_tx_ring(&xdp_rings[i]); 2822 if (err) { 2823 while (i--) 2824 ice_clean_tx_ring(&xdp_rings[i]); 2825 kfree(xdp_rings); 2826 goto free_tx; 2827 } 2828 ice_set_ring_xdp(&xdp_rings[i]); 2829 } 2830 2831process_rx: 2832 if (new_rx_cnt == vsi->rx_rings[0]->count) 2833 goto process_link; 2834 2835 /* alloc updated Rx resources */ 2836 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2837 vsi->rx_rings[0]->count, new_rx_cnt); 2838 2839 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2840 if (!rx_rings) { 2841 err = -ENOMEM; 2842 goto done; 2843 } 2844 2845 ice_for_each_rxq(vsi, i) { 2846 /* clone ring and setup updated count */ 2847 rx_rings[i] = *vsi->rx_rings[i]; 2848 rx_rings[i].count = new_rx_cnt; 2849 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time; 2850 rx_rings[i].desc = NULL; 2851 rx_rings[i].rx_buf = NULL; 2852 /* this is to allow wr32 to have something to write to 2853 * during early allocation of Rx buffers 2854 */ 2855 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2856 2857 err = ice_setup_rx_ring(&rx_rings[i]); 2858 if (err) 2859 goto rx_unwind; 2860 2861 /* allocate Rx buffers */ 2862 err = ice_alloc_rx_bufs(&rx_rings[i], 2863 ICE_RX_DESC_UNUSED(&rx_rings[i])); 2864rx_unwind: 2865 if (err) { 2866 while (i) { 2867 i--; 2868 ice_free_rx_ring(&rx_rings[i]); 2869 } 2870 kfree(rx_rings); 2871 err = -ENOMEM; 2872 goto free_tx; 2873 } 2874 } 2875 2876process_link: 2877 /* Bring interface down, copy in the new ring info, then restore the 2878 * interface. if VSI is up, bring it down and then back up 2879 */ 2880 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 2881 ice_down(vsi); 2882 2883 if (tx_rings) { 2884 ice_for_each_txq(vsi, i) { 2885 ice_free_tx_ring(vsi->tx_rings[i]); 2886 *vsi->tx_rings[i] = tx_rings[i]; 2887 } 2888 kfree(tx_rings); 2889 } 2890 2891 if (rx_rings) { 2892 ice_for_each_rxq(vsi, i) { 2893 ice_free_rx_ring(vsi->rx_rings[i]); 2894 /* copy the real tail offset */ 2895 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2896 /* this is to fake out the allocation routine 2897 * into thinking it has to realloc everything 2898 * but the recycling logic will let us re-use 2899 * the buffers allocated above 2900 */ 2901 rx_rings[i].next_to_use = 0; 2902 rx_rings[i].next_to_clean = 0; 2903 rx_rings[i].next_to_alloc = 0; 2904 *vsi->rx_rings[i] = rx_rings[i]; 2905 } 2906 kfree(rx_rings); 2907 } 2908 2909 if (xdp_rings) { 2910 ice_for_each_xdp_txq(vsi, i) { 2911 ice_free_tx_ring(vsi->xdp_rings[i]); 2912 *vsi->xdp_rings[i] = xdp_rings[i]; 2913 } 2914 kfree(xdp_rings); 2915 } 2916 2917 vsi->num_tx_desc = new_tx_cnt; 2918 vsi->num_rx_desc = new_rx_cnt; 2919 ice_up(vsi); 2920 } 2921 goto done; 2922 2923free_tx: 2924 /* error cleanup if the Rx allocations failed after getting Tx */ 2925 if (tx_rings) { 2926 ice_for_each_txq(vsi, i) 2927 ice_free_tx_ring(&tx_rings[i]); 2928 kfree(tx_rings); 2929 } 2930 2931done: 2932 clear_bit(ICE_CFG_BUSY, pf->state); 2933 return err; 2934} 2935 2936/** 2937 * ice_get_pauseparam - Get Flow Control status 2938 * @netdev: network interface device structure 2939 * @pause: ethernet pause (flow control) parameters 2940 * 2941 * Get requested flow control status from PHY capability. 2942 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2943 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2944 * the negotiated Rx/Tx pause via lp_advertising. 2945 */ 2946static void 2947ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2948{ 2949 struct ice_netdev_priv *np = netdev_priv(netdev); 2950 struct ice_port_info *pi = np->vsi->port_info; 2951 struct ice_aqc_get_phy_caps_data *pcaps; 2952 struct ice_dcbx_cfg *dcbx_cfg; 2953 int status; 2954 2955 /* Initialize pause params */ 2956 pause->rx_pause = 0; 2957 pause->tx_pause = 0; 2958 2959 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 2960 2961 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2962 if (!pcaps) 2963 return; 2964 2965 /* Get current PHY config */ 2966 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 2967 NULL); 2968 if (status) 2969 goto out; 2970 2971 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 2972 AUTONEG_DISABLE; 2973 2974 if (dcbx_cfg->pfc.pfcena) 2975 /* PFC enabled so report LFC as off */ 2976 goto out; 2977 2978 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 2979 pause->tx_pause = 1; 2980 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 2981 pause->rx_pause = 1; 2982 2983out: 2984 kfree(pcaps); 2985} 2986 2987/** 2988 * ice_set_pauseparam - Set Flow Control parameter 2989 * @netdev: network interface device structure 2990 * @pause: return Tx/Rx flow control status 2991 */ 2992static int 2993ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2994{ 2995 struct ice_netdev_priv *np = netdev_priv(netdev); 2996 struct ice_aqc_get_phy_caps_data *pcaps; 2997 struct ice_link_status *hw_link_info; 2998 struct ice_pf *pf = np->vsi->back; 2999 struct ice_dcbx_cfg *dcbx_cfg; 3000 struct ice_vsi *vsi = np->vsi; 3001 struct ice_hw *hw = &pf->hw; 3002 struct ice_port_info *pi; 3003 u8 aq_failures; 3004 bool link_up; 3005 u32 is_an; 3006 int err; 3007 3008 pi = vsi->port_info; 3009 hw_link_info = &pi->phy.link_info; 3010 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3011 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3012 3013 /* Changing the port's flow control is not supported if this isn't the 3014 * PF VSI 3015 */ 3016 if (vsi->type != ICE_VSI_PF) { 3017 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3018 return -EOPNOTSUPP; 3019 } 3020 3021 /* Get pause param reports configured and negotiated flow control pause 3022 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3023 * defined get pause param pause->autoneg reports SW configured setting, 3024 * so compare pause->autoneg with SW configured to prevent the user from 3025 * using set pause param to chance autoneg. 3026 */ 3027 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3028 if (!pcaps) 3029 return -ENOMEM; 3030 3031 /* Get current PHY config */ 3032 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3033 NULL); 3034 if (err) { 3035 kfree(pcaps); 3036 return err; 3037 } 3038 3039 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3040 AUTONEG_DISABLE; 3041 3042 kfree(pcaps); 3043 3044 if (pause->autoneg != is_an) { 3045 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3046 return -EOPNOTSUPP; 3047 } 3048 3049 /* If we have link and don't have autoneg */ 3050 if (!test_bit(ICE_DOWN, pf->state) && 3051 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3052 /* Send message that it might not necessarily work*/ 3053 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3054 } 3055 3056 if (dcbx_cfg->pfc.pfcena) { 3057 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3058 return -EOPNOTSUPP; 3059 } 3060 if (pause->rx_pause && pause->tx_pause) 3061 pi->fc.req_mode = ICE_FC_FULL; 3062 else if (pause->rx_pause && !pause->tx_pause) 3063 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3064 else if (!pause->rx_pause && pause->tx_pause) 3065 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3066 else if (!pause->rx_pause && !pause->tx_pause) 3067 pi->fc.req_mode = ICE_FC_NONE; 3068 else 3069 return -EINVAL; 3070 3071 /* Set the FC mode and only restart AN if link is up */ 3072 err = ice_set_fc(pi, &aq_failures, link_up); 3073 3074 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3075 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n", 3076 err, ice_aq_str(hw->adminq.sq_last_status)); 3077 err = -EAGAIN; 3078 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3079 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n", 3080 err, ice_aq_str(hw->adminq.sq_last_status)); 3081 err = -EAGAIN; 3082 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3083 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n", 3084 err, ice_aq_str(hw->adminq.sq_last_status)); 3085 err = -EAGAIN; 3086 } 3087 3088 return err; 3089} 3090 3091/** 3092 * ice_get_rxfh_key_size - get the RSS hash key size 3093 * @netdev: network interface device structure 3094 * 3095 * Returns the table size. 3096 */ 3097static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3098{ 3099 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3100} 3101 3102/** 3103 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3104 * @netdev: network interface device structure 3105 * 3106 * Returns the table size. 3107 */ 3108static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3109{ 3110 struct ice_netdev_priv *np = netdev_priv(netdev); 3111 3112 return np->vsi->rss_table_size; 3113} 3114 3115static int 3116ice_get_rxfh_context(struct net_device *netdev, u32 *indir, 3117 u8 *key, u8 *hfunc, u32 rss_context) 3118{ 3119 struct ice_netdev_priv *np = netdev_priv(netdev); 3120 struct ice_vsi *vsi = np->vsi; 3121 struct ice_pf *pf = vsi->back; 3122 u16 qcount, offset; 3123 int err, num_tc, i; 3124 u8 *lut; 3125 3126 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3127 netdev_warn(netdev, "RSS is not supported on this VSI!\n"); 3128 return -EOPNOTSUPP; 3129 } 3130 3131 if (rss_context && !ice_is_adq_active(pf)) { 3132 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n"); 3133 return -EINVAL; 3134 } 3135 3136 qcount = vsi->mqprio_qopt.qopt.count[rss_context]; 3137 offset = vsi->mqprio_qopt.qopt.offset[rss_context]; 3138 3139 if (rss_context && ice_is_adq_active(pf)) { 3140 num_tc = vsi->mqprio_qopt.qopt.num_tc; 3141 if (rss_context >= num_tc) { 3142 netdev_err(netdev, "RSS context:%d > num_tc:%d\n", 3143 rss_context, num_tc); 3144 return -EINVAL; 3145 } 3146 /* Use channel VSI of given TC */ 3147 vsi = vsi->tc_map_vsi[rss_context]; 3148 } 3149 3150 if (hfunc) 3151 *hfunc = ETH_RSS_HASH_TOP; 3152 3153 if (!indir) 3154 return 0; 3155 3156 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3157 if (!lut) 3158 return -ENOMEM; 3159 3160 err = ice_get_rss_key(vsi, key); 3161 if (err) 3162 goto out; 3163 3164 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size); 3165 if (err) 3166 goto out; 3167 3168 if (ice_is_adq_active(pf)) { 3169 for (i = 0; i < vsi->rss_table_size; i++) 3170 indir[i] = offset + lut[i] % qcount; 3171 goto out; 3172 } 3173 3174 for (i = 0; i < vsi->rss_table_size; i++) 3175 indir[i] = lut[i]; 3176 3177out: 3178 kfree(lut); 3179 return err; 3180} 3181 3182/** 3183 * ice_get_rxfh - get the Rx flow hash indirection table 3184 * @netdev: network interface device structure 3185 * @indir: indirection table 3186 * @key: hash key 3187 * @hfunc: hash function 3188 * 3189 * Reads the indirection table directly from the hardware. 3190 */ 3191static int 3192ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3193{ 3194 return ice_get_rxfh_context(netdev, indir, key, hfunc, 0); 3195} 3196 3197/** 3198 * ice_set_rxfh - set the Rx flow hash indirection table 3199 * @netdev: network interface device structure 3200 * @indir: indirection table 3201 * @key: hash key 3202 * @hfunc: hash function 3203 * 3204 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3205 * returns 0 after programming the table. 3206 */ 3207static int 3208ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3209 const u8 hfunc) 3210{ 3211 struct ice_netdev_priv *np = netdev_priv(netdev); 3212 struct ice_vsi *vsi = np->vsi; 3213 struct ice_pf *pf = vsi->back; 3214 struct device *dev; 3215 int err; 3216 3217 dev = ice_pf_to_dev(pf); 3218 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3219 return -EOPNOTSUPP; 3220 3221 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3222 /* RSS not supported return error here */ 3223 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3224 return -EIO; 3225 } 3226 3227 if (ice_is_adq_active(pf)) { 3228 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n"); 3229 return -EOPNOTSUPP; 3230 } 3231 3232 if (key) { 3233 if (!vsi->rss_hkey_user) { 3234 vsi->rss_hkey_user = 3235 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3236 GFP_KERNEL); 3237 if (!vsi->rss_hkey_user) 3238 return -ENOMEM; 3239 } 3240 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3241 3242 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3243 if (err) 3244 return err; 3245 } 3246 3247 if (!vsi->rss_lut_user) { 3248 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3249 GFP_KERNEL); 3250 if (!vsi->rss_lut_user) 3251 return -ENOMEM; 3252 } 3253 3254 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3255 if (indir) { 3256 int i; 3257 3258 for (i = 0; i < vsi->rss_table_size; i++) 3259 vsi->rss_lut_user[i] = (u8)(indir[i]); 3260 } else { 3261 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3262 vsi->rss_size); 3263 } 3264 3265 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3266 if (err) 3267 return err; 3268 3269 return 0; 3270} 3271 3272static int 3273ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) 3274{ 3275 struct ice_pf *pf = ice_netdev_to_pf(dev); 3276 3277 /* only report timestamping if PTP is enabled */ 3278 if (!test_bit(ICE_FLAG_PTP, pf->flags)) 3279 return ethtool_op_get_ts_info(dev, info); 3280 3281 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3282 SOF_TIMESTAMPING_RX_SOFTWARE | 3283 SOF_TIMESTAMPING_SOFTWARE | 3284 SOF_TIMESTAMPING_TX_HARDWARE | 3285 SOF_TIMESTAMPING_RX_HARDWARE | 3286 SOF_TIMESTAMPING_RAW_HARDWARE; 3287 3288 info->phc_index = ice_get_ptp_clock_index(pf); 3289 3290 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3291 3292 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3293 3294 return 0; 3295} 3296 3297/** 3298 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3299 * @pf: PF structure 3300 */ 3301static int ice_get_max_txq(struct ice_pf *pf) 3302{ 3303 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3304 (u16)pf->hw.func_caps.common_cap.num_txq); 3305} 3306 3307/** 3308 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3309 * @pf: PF structure 3310 */ 3311static int ice_get_max_rxq(struct ice_pf *pf) 3312{ 3313 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3314 (u16)pf->hw.func_caps.common_cap.num_rxq); 3315} 3316 3317/** 3318 * ice_get_combined_cnt - return the current number of combined channels 3319 * @vsi: PF VSI pointer 3320 * 3321 * Go through all queue vectors and count ones that have both Rx and Tx ring 3322 * attached 3323 */ 3324static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3325{ 3326 u32 combined = 0; 3327 int q_idx; 3328 3329 ice_for_each_q_vector(vsi, q_idx) { 3330 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3331 3332 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring) 3333 combined++; 3334 } 3335 3336 return combined; 3337} 3338 3339/** 3340 * ice_get_channels - get the current and max supported channels 3341 * @dev: network interface device structure 3342 * @ch: ethtool channel data structure 3343 */ 3344static void 3345ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3346{ 3347 struct ice_netdev_priv *np = netdev_priv(dev); 3348 struct ice_vsi *vsi = np->vsi; 3349 struct ice_pf *pf = vsi->back; 3350 3351 /* report maximum channels */ 3352 ch->max_rx = ice_get_max_rxq(pf); 3353 ch->max_tx = ice_get_max_txq(pf); 3354 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3355 3356 /* report current channels */ 3357 ch->combined_count = ice_get_combined_cnt(vsi); 3358 ch->rx_count = vsi->num_rxq - ch->combined_count; 3359 ch->tx_count = vsi->num_txq - ch->combined_count; 3360 3361 /* report other queues */ 3362 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3363 ch->max_other = ch->other_count; 3364} 3365 3366/** 3367 * ice_get_valid_rss_size - return valid number of RSS queues 3368 * @hw: pointer to the HW structure 3369 * @new_size: requested RSS queues 3370 */ 3371static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3372{ 3373 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3374 3375 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3376} 3377 3378/** 3379 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3380 * @vsi: VSI to reconfigure RSS LUT on 3381 * @req_rss_size: requested range of queue numbers for hashing 3382 * 3383 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3384 */ 3385static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3386{ 3387 struct ice_pf *pf = vsi->back; 3388 struct device *dev; 3389 struct ice_hw *hw; 3390 int err; 3391 u8 *lut; 3392 3393 dev = ice_pf_to_dev(pf); 3394 hw = &pf->hw; 3395 3396 if (!req_rss_size) 3397 return -EINVAL; 3398 3399 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3400 if (!lut) 3401 return -ENOMEM; 3402 3403 /* set RSS LUT parameters */ 3404 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3405 vsi->rss_size = 1; 3406 else 3407 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3408 3409 /* create/set RSS LUT */ 3410 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3411 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3412 if (err) 3413 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3414 ice_aq_str(hw->adminq.sq_last_status)); 3415 3416 kfree(lut); 3417 return err; 3418} 3419 3420/** 3421 * ice_set_channels - set the number channels 3422 * @dev: network interface device structure 3423 * @ch: ethtool channel data structure 3424 */ 3425static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3426{ 3427 struct ice_netdev_priv *np = netdev_priv(dev); 3428 struct ice_vsi *vsi = np->vsi; 3429 struct ice_pf *pf = vsi->back; 3430 int new_rx = 0, new_tx = 0; 3431 bool locked = false; 3432 u32 curr_combined; 3433 int ret = 0; 3434 3435 /* do not support changing channels in Safe Mode */ 3436 if (ice_is_safe_mode(pf)) { 3437 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3438 return -EOPNOTSUPP; 3439 } 3440 /* do not support changing other_count */ 3441 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3442 return -EINVAL; 3443 3444 if (ice_is_adq_active(pf)) { 3445 netdev_err(dev, "Cannot set channels with ADQ configured.\n"); 3446 return -EOPNOTSUPP; 3447 } 3448 3449 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3450 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3451 return -EOPNOTSUPP; 3452 } 3453 3454 curr_combined = ice_get_combined_cnt(vsi); 3455 3456 /* these checks are for cases where user didn't specify a particular 3457 * value on cmd line but we get non-zero value anyway via 3458 * get_channels(); look at ethtool.c in ethtool repository (the user 3459 * space part), particularly, do_schannels() routine 3460 */ 3461 if (ch->rx_count == vsi->num_rxq - curr_combined) 3462 ch->rx_count = 0; 3463 if (ch->tx_count == vsi->num_txq - curr_combined) 3464 ch->tx_count = 0; 3465 if (ch->combined_count == curr_combined) 3466 ch->combined_count = 0; 3467 3468 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3469 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3470 return -EINVAL; 3471 } 3472 3473 new_rx = ch->combined_count + ch->rx_count; 3474 new_tx = ch->combined_count + ch->tx_count; 3475 3476 if (new_rx < vsi->tc_cfg.numtc) { 3477 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n", 3478 vsi->tc_cfg.numtc); 3479 return -EINVAL; 3480 } 3481 if (new_tx < vsi->tc_cfg.numtc) { 3482 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n", 3483 vsi->tc_cfg.numtc); 3484 return -EINVAL; 3485 } 3486 if (new_rx > ice_get_max_rxq(pf)) { 3487 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3488 ice_get_max_rxq(pf)); 3489 return -EINVAL; 3490 } 3491 if (new_tx > ice_get_max_txq(pf)) { 3492 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3493 ice_get_max_txq(pf)); 3494 return -EINVAL; 3495 } 3496 3497 if (pf->adev) { 3498 mutex_lock(&pf->adev_mutex); 3499 device_lock(&pf->adev->dev); 3500 locked = true; 3501 if (pf->adev->dev.driver) { 3502 netdev_err(dev, "Cannot change channels when RDMA is active\n"); 3503 ret = -EBUSY; 3504 goto adev_unlock; 3505 } 3506 } 3507 3508 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked); 3509 3510 if (!netif_is_rxfh_configured(dev)) { 3511 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3512 goto adev_unlock; 3513 } 3514 3515 /* Update rss_size due to change in Rx queues */ 3516 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3517 3518adev_unlock: 3519 if (locked) { 3520 device_unlock(&pf->adev->dev); 3521 mutex_unlock(&pf->adev_mutex); 3522 } 3523 return ret; 3524} 3525 3526/** 3527 * ice_get_wol - get current Wake on LAN configuration 3528 * @netdev: network interface device structure 3529 * @wol: Ethtool structure to retrieve WoL settings 3530 */ 3531static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3532{ 3533 struct ice_netdev_priv *np = netdev_priv(netdev); 3534 struct ice_pf *pf = np->vsi->back; 3535 3536 if (np->vsi->type != ICE_VSI_PF) 3537 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3538 3539 /* Get WoL settings based on the HW capability */ 3540 if (ice_is_wol_supported(&pf->hw)) { 3541 wol->supported = WAKE_MAGIC; 3542 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3543 } else { 3544 wol->supported = 0; 3545 wol->wolopts = 0; 3546 } 3547} 3548 3549/** 3550 * ice_set_wol - set Wake on LAN on supported device 3551 * @netdev: network interface device structure 3552 * @wol: Ethtool structure to set WoL 3553 */ 3554static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3555{ 3556 struct ice_netdev_priv *np = netdev_priv(netdev); 3557 struct ice_vsi *vsi = np->vsi; 3558 struct ice_pf *pf = vsi->back; 3559 3560 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 3561 return -EOPNOTSUPP; 3562 3563 /* only magic packet is supported */ 3564 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3565 return -EOPNOTSUPP; 3566 3567 /* Set WoL only if there is a new value */ 3568 if (pf->wol_ena != !!wol->wolopts) { 3569 pf->wol_ena = !!wol->wolopts; 3570 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3571 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3572 pf->wol_ena ? "en" : "dis"); 3573 } 3574 3575 return 0; 3576} 3577 3578/** 3579 * ice_get_rc_coalesce - get ITR values for specific ring container 3580 * @ec: ethtool structure to fill with driver's coalesce settings 3581 * @rc: ring container that the ITR values will come from 3582 * 3583 * Query the device for ice_ring_container specific ITR values. This is 3584 * done per ice_ring_container because each q_vector can have 1 or more rings 3585 * and all of said ring(s) will have the same ITR values. 3586 * 3587 * Returns 0 on success, negative otherwise. 3588 */ 3589static int 3590ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc) 3591{ 3592 if (!rc->rx_ring) 3593 return -EINVAL; 3594 3595 switch (rc->type) { 3596 case ICE_RX_CONTAINER: 3597 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 3598 ec->rx_coalesce_usecs = rc->itr_setting; 3599 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl; 3600 break; 3601 case ICE_TX_CONTAINER: 3602 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 3603 ec->tx_coalesce_usecs = rc->itr_setting; 3604 break; 3605 default: 3606 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type); 3607 return -EINVAL; 3608 } 3609 3610 return 0; 3611} 3612 3613/** 3614 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3615 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3616 * @ec: coalesce settings to program the device with 3617 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3618 * 3619 * Return 0 on success, and negative under the following conditions: 3620 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3621 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3622 */ 3623static int 3624ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3625{ 3626 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3627 if (ice_get_rc_coalesce(ec, 3628 &vsi->rx_rings[q_num]->q_vector->rx)) 3629 return -EINVAL; 3630 if (ice_get_rc_coalesce(ec, 3631 &vsi->tx_rings[q_num]->q_vector->tx)) 3632 return -EINVAL; 3633 } else if (q_num < vsi->num_rxq) { 3634 if (ice_get_rc_coalesce(ec, 3635 &vsi->rx_rings[q_num]->q_vector->rx)) 3636 return -EINVAL; 3637 } else if (q_num < vsi->num_txq) { 3638 if (ice_get_rc_coalesce(ec, 3639 &vsi->tx_rings[q_num]->q_vector->tx)) 3640 return -EINVAL; 3641 } else { 3642 return -EINVAL; 3643 } 3644 3645 return 0; 3646} 3647 3648/** 3649 * __ice_get_coalesce - get ITR/INTRL values for the device 3650 * @netdev: pointer to the netdev associated with this query 3651 * @ec: ethtool structure to fill with driver's coalesce settings 3652 * @q_num: queue number to get the coalesce settings for 3653 * 3654 * If the caller passes in a negative q_num then we return coalesce settings 3655 * based on queue number 0, else use the actual q_num passed in. 3656 */ 3657static int 3658__ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3659 int q_num) 3660{ 3661 struct ice_netdev_priv *np = netdev_priv(netdev); 3662 struct ice_vsi *vsi = np->vsi; 3663 3664 if (q_num < 0) 3665 q_num = 0; 3666 3667 if (ice_get_q_coalesce(vsi, ec, q_num)) 3668 return -EINVAL; 3669 3670 return 0; 3671} 3672 3673static int ice_get_coalesce(struct net_device *netdev, 3674 struct ethtool_coalesce *ec, 3675 struct kernel_ethtool_coalesce *kernel_coal, 3676 struct netlink_ext_ack *extack) 3677{ 3678 return __ice_get_coalesce(netdev, ec, -1); 3679} 3680 3681static int 3682ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3683 struct ethtool_coalesce *ec) 3684{ 3685 return __ice_get_coalesce(netdev, ec, q_num); 3686} 3687 3688/** 3689 * ice_set_rc_coalesce - set ITR values for specific ring container 3690 * @ec: ethtool structure from user to update ITR settings 3691 * @rc: ring container that the ITR values will come from 3692 * @vsi: VSI associated to the ring container 3693 * 3694 * Set specific ITR values. This is done per ice_ring_container because each 3695 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3696 * ITR values. 3697 * 3698 * Returns 0 on success, negative otherwise. 3699 */ 3700static int 3701ice_set_rc_coalesce(struct ethtool_coalesce *ec, 3702 struct ice_ring_container *rc, struct ice_vsi *vsi) 3703{ 3704 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3705 u32 use_adaptive_coalesce, coalesce_usecs; 3706 struct ice_pf *pf = vsi->back; 3707 u16 itr_setting; 3708 3709 if (!rc->rx_ring) 3710 return -EINVAL; 3711 3712 switch (rc->type) { 3713 case ICE_RX_CONTAINER: 3714 { 3715 struct ice_q_vector *q_vector = rc->rx_ring->q_vector; 3716 3717 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3718 (ec->rx_coalesce_usecs_high && 3719 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3720 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3721 c_type_str, pf->hw.intrl_gran, 3722 ICE_MAX_INTRL); 3723 return -EINVAL; 3724 } 3725 if (ec->rx_coalesce_usecs_high != q_vector->intrl && 3726 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 3727 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 3728 c_type_str); 3729 return -EINVAL; 3730 } 3731 if (ec->rx_coalesce_usecs_high != q_vector->intrl) 3732 q_vector->intrl = ec->rx_coalesce_usecs_high; 3733 3734 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3735 coalesce_usecs = ec->rx_coalesce_usecs; 3736 3737 break; 3738 } 3739 case ICE_TX_CONTAINER: 3740 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3741 coalesce_usecs = ec->tx_coalesce_usecs; 3742 3743 break; 3744 default: 3745 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3746 rc->type); 3747 return -EINVAL; 3748 } 3749 3750 itr_setting = rc->itr_setting; 3751 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3752 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3753 c_type_str, c_type_str); 3754 return -EINVAL; 3755 } 3756 3757 if (coalesce_usecs > ICE_ITR_MAX) { 3758 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3759 c_type_str, ICE_ITR_MAX); 3760 return -EINVAL; 3761 } 3762 3763 if (use_adaptive_coalesce) { 3764 rc->itr_mode = ITR_DYNAMIC; 3765 } else { 3766 rc->itr_mode = ITR_STATIC; 3767 /* store user facing value how it was set */ 3768 rc->itr_setting = coalesce_usecs; 3769 /* write the change to the register */ 3770 ice_write_itr(rc, coalesce_usecs); 3771 /* force writes to take effect immediately, the flush shouldn't 3772 * be done in the functions above because the intent is for 3773 * them to do lazy writes. 3774 */ 3775 ice_flush(&pf->hw); 3776 } 3777 3778 return 0; 3779} 3780 3781/** 3782 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3783 * @vsi: VSI associated to the queue that need updating 3784 * @ec: coalesce settings to program the device with 3785 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3786 * 3787 * Return 0 on success, and negative under the following conditions: 3788 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3789 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3790 */ 3791static int 3792ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3793{ 3794 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3795 if (ice_set_rc_coalesce(ec, 3796 &vsi->rx_rings[q_num]->q_vector->rx, 3797 vsi)) 3798 return -EINVAL; 3799 3800 if (ice_set_rc_coalesce(ec, 3801 &vsi->tx_rings[q_num]->q_vector->tx, 3802 vsi)) 3803 return -EINVAL; 3804 } else if (q_num < vsi->num_rxq) { 3805 if (ice_set_rc_coalesce(ec, 3806 &vsi->rx_rings[q_num]->q_vector->rx, 3807 vsi)) 3808 return -EINVAL; 3809 } else if (q_num < vsi->num_txq) { 3810 if (ice_set_rc_coalesce(ec, 3811 &vsi->tx_rings[q_num]->q_vector->tx, 3812 vsi)) 3813 return -EINVAL; 3814 } else { 3815 return -EINVAL; 3816 } 3817 3818 return 0; 3819} 3820 3821/** 3822 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3823 * @netdev: netdev used for print 3824 * @itr_setting: previous user setting 3825 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3826 * @coalesce_usecs: requested value of [tx|rx]-usecs 3827 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3828 */ 3829static void 3830ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3831 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3832 const char *c_type_str) 3833{ 3834 if (use_adaptive_coalesce) 3835 return; 3836 3837 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3838 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", 3839 c_type_str, coalesce_usecs, c_type_str, 3840 ITR_REG_ALIGN(coalesce_usecs)); 3841} 3842 3843/** 3844 * __ice_set_coalesce - set ITR/INTRL values for the device 3845 * @netdev: pointer to the netdev associated with this query 3846 * @ec: ethtool structure to fill with driver's coalesce settings 3847 * @q_num: queue number to get the coalesce settings for 3848 * 3849 * If the caller passes in a negative q_num then we set the coalesce settings 3850 * for all Tx/Rx queues, else use the actual q_num passed in. 3851 */ 3852static int 3853__ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3854 int q_num) 3855{ 3856 struct ice_netdev_priv *np = netdev_priv(netdev); 3857 struct ice_vsi *vsi = np->vsi; 3858 3859 if (q_num < 0) { 3860 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3861 int v_idx; 3862 3863 if (q_vector) { 3864 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3865 ec->use_adaptive_rx_coalesce, 3866 ec->rx_coalesce_usecs, "rx"); 3867 3868 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3869 ec->use_adaptive_tx_coalesce, 3870 ec->tx_coalesce_usecs, "tx"); 3871 } 3872 3873 ice_for_each_q_vector(vsi, v_idx) { 3874 /* In some cases if DCB is configured the num_[rx|tx]q 3875 * can be less than vsi->num_q_vectors. This check 3876 * accounts for that so we don't report a false failure 3877 */ 3878 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3879 goto set_complete; 3880 3881 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3882 return -EINVAL; 3883 3884 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]); 3885 } 3886 goto set_complete; 3887 } 3888 3889 if (ice_set_q_coalesce(vsi, ec, q_num)) 3890 return -EINVAL; 3891 3892 ice_set_q_vector_intrl(vsi->q_vectors[q_num]); 3893 3894set_complete: 3895 return 0; 3896} 3897 3898static int ice_set_coalesce(struct net_device *netdev, 3899 struct ethtool_coalesce *ec, 3900 struct kernel_ethtool_coalesce *kernel_coal, 3901 struct netlink_ext_ack *extack) 3902{ 3903 return __ice_set_coalesce(netdev, ec, -1); 3904} 3905 3906static int 3907ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3908 struct ethtool_coalesce *ec) 3909{ 3910 return __ice_set_coalesce(netdev, ec, q_num); 3911} 3912 3913static void 3914ice_repr_get_drvinfo(struct net_device *netdev, 3915 struct ethtool_drvinfo *drvinfo) 3916{ 3917 struct ice_repr *repr = ice_netdev_to_repr(netdev); 3918 3919 if (ice_check_vf_ready_for_cfg(repr->vf)) 3920 return; 3921 3922 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi); 3923} 3924 3925static void 3926ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 3927{ 3928 struct ice_repr *repr = ice_netdev_to_repr(netdev); 3929 3930 /* for port representors only ETH_SS_STATS is supported */ 3931 if (ice_check_vf_ready_for_cfg(repr->vf) || 3932 stringset != ETH_SS_STATS) 3933 return; 3934 3935 __ice_get_strings(netdev, stringset, data, repr->src_vsi); 3936} 3937 3938static void 3939ice_repr_get_ethtool_stats(struct net_device *netdev, 3940 struct ethtool_stats __always_unused *stats, 3941 u64 *data) 3942{ 3943 struct ice_repr *repr = ice_netdev_to_repr(netdev); 3944 3945 if (ice_check_vf_ready_for_cfg(repr->vf)) 3946 return; 3947 3948 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi); 3949} 3950 3951static int ice_repr_get_sset_count(struct net_device *netdev, int sset) 3952{ 3953 switch (sset) { 3954 case ETH_SS_STATS: 3955 return ICE_VSI_STATS_LEN; 3956 default: 3957 return -EOPNOTSUPP; 3958 } 3959} 3960 3961#define ICE_I2C_EEPROM_DEV_ADDR 0xA0 3962#define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 3963#define ICE_MODULE_TYPE_SFP 0x03 3964#define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 3965#define ICE_MODULE_TYPE_QSFP28 0x11 3966#define ICE_MODULE_SFF_ADDR_MODE 0x04 3967#define ICE_MODULE_SFF_DIAG_CAPAB 0x40 3968#define ICE_MODULE_REVISION_ADDR 0x01 3969#define ICE_MODULE_SFF_8472_COMP 0x5E 3970#define ICE_MODULE_SFF_8472_SWAP 0x5C 3971#define ICE_MODULE_QSFP_MAX_LEN 640 3972 3973/** 3974 * ice_get_module_info - get SFF module type and revision information 3975 * @netdev: network interface device structure 3976 * @modinfo: module EEPROM size and layout information structure 3977 */ 3978static int 3979ice_get_module_info(struct net_device *netdev, 3980 struct ethtool_modinfo *modinfo) 3981{ 3982 struct ice_netdev_priv *np = netdev_priv(netdev); 3983 struct ice_vsi *vsi = np->vsi; 3984 struct ice_pf *pf = vsi->back; 3985 struct ice_hw *hw = &pf->hw; 3986 u8 sff8472_comp = 0; 3987 u8 sff8472_swap = 0; 3988 u8 sff8636_rev = 0; 3989 u8 value = 0; 3990 int status; 3991 3992 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 3993 0, &value, 1, 0, NULL); 3994 if (status) 3995 return status; 3996 3997 switch (value) { 3998 case ICE_MODULE_TYPE_SFP: 3999 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4000 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 4001 &sff8472_comp, 1, 0, NULL); 4002 if (status) 4003 return status; 4004 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4005 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 4006 &sff8472_swap, 1, 0, NULL); 4007 if (status) 4008 return status; 4009 4010 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 4011 modinfo->type = ETH_MODULE_SFF_8079; 4012 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4013 } else if (sff8472_comp && 4014 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 4015 modinfo->type = ETH_MODULE_SFF_8472; 4016 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 4017 } else { 4018 modinfo->type = ETH_MODULE_SFF_8079; 4019 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4020 } 4021 break; 4022 case ICE_MODULE_TYPE_QSFP_PLUS: 4023 case ICE_MODULE_TYPE_QSFP28: 4024 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4025 ICE_MODULE_REVISION_ADDR, 0x00, 0, 4026 &sff8636_rev, 1, 0, NULL); 4027 if (status) 4028 return status; 4029 /* Check revision compliance */ 4030 if (sff8636_rev > 0x02) { 4031 /* Module is SFF-8636 compliant */ 4032 modinfo->type = ETH_MODULE_SFF_8636; 4033 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4034 } else { 4035 modinfo->type = ETH_MODULE_SFF_8436; 4036 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4037 } 4038 break; 4039 default: 4040 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 4041 return -EINVAL; 4042 } 4043 return 0; 4044} 4045 4046/** 4047 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 4048 * @netdev: network interface device structure 4049 * @ee: EEPROM dump request structure 4050 * @data: buffer to be filled with EEPROM contents 4051 */ 4052static int 4053ice_get_module_eeprom(struct net_device *netdev, 4054 struct ethtool_eeprom *ee, u8 *data) 4055{ 4056 struct ice_netdev_priv *np = netdev_priv(netdev); 4057#define SFF_READ_BLOCK_SIZE 8 4058 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 4059 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 4060 struct ice_vsi *vsi = np->vsi; 4061 struct ice_pf *pf = vsi->back; 4062 struct ice_hw *hw = &pf->hw; 4063 bool is_sfp = false; 4064 unsigned int i, j; 4065 u16 offset = 0; 4066 u8 page = 0; 4067 int status; 4068 4069 if (!ee || !ee->len || !data) 4070 return -EINVAL; 4071 4072 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 4073 NULL); 4074 if (status) 4075 return status; 4076 4077 if (value[0] == ICE_MODULE_TYPE_SFP) 4078 is_sfp = true; 4079 4080 memset(data, 0, ee->len); 4081 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 4082 offset = i + ee->offset; 4083 page = 0; 4084 4085 /* Check if we need to access the other memory page */ 4086 if (is_sfp) { 4087 if (offset >= ETH_MODULE_SFF_8079_LEN) { 4088 offset -= ETH_MODULE_SFF_8079_LEN; 4089 addr = ICE_I2C_EEPROM_DEV_ADDR2; 4090 } 4091 } else { 4092 while (offset >= ETH_MODULE_SFF_8436_LEN) { 4093 /* Compute memory page number and offset. */ 4094 offset -= ETH_MODULE_SFF_8436_LEN / 2; 4095 page++; 4096 } 4097 } 4098 4099 /* Bit 2 of EEPROM address 0x02 declares upper 4100 * pages are disabled on QSFP modules. 4101 * SFP modules only ever use page 0. 4102 */ 4103 if (page == 0 || !(data[0x2] & 0x4)) { 4104 u32 copy_len; 4105 4106 /* If i2c bus is busy due to slow page change or 4107 * link management access, call can fail. This is normal. 4108 * So we retry this a few times. 4109 */ 4110 for (j = 0; j < 4; j++) { 4111 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 4112 !is_sfp, value, 4113 SFF_READ_BLOCK_SIZE, 4114 0, NULL); 4115 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n", 4116 addr, offset, page, is_sfp, 4117 value[0], value[1], value[2], value[3], 4118 value[4], value[5], value[6], value[7], 4119 status); 4120 if (status) { 4121 usleep_range(1500, 2500); 4122 memset(value, 0, SFF_READ_BLOCK_SIZE); 4123 continue; 4124 } 4125 break; 4126 } 4127 4128 /* Make sure we have enough room for the new block */ 4129 copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i); 4130 memcpy(data + i, value, copy_len); 4131 } 4132 } 4133 return 0; 4134} 4135 4136static const struct ethtool_ops ice_ethtool_ops = { 4137 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 4138 ETHTOOL_COALESCE_USE_ADAPTIVE | 4139 ETHTOOL_COALESCE_RX_USECS_HIGH, 4140 .get_link_ksettings = ice_get_link_ksettings, 4141 .set_link_ksettings = ice_set_link_ksettings, 4142 .get_drvinfo = ice_get_drvinfo, 4143 .get_regs_len = ice_get_regs_len, 4144 .get_regs = ice_get_regs, 4145 .get_wol = ice_get_wol, 4146 .set_wol = ice_set_wol, 4147 .get_msglevel = ice_get_msglevel, 4148 .set_msglevel = ice_set_msglevel, 4149 .self_test = ice_self_test, 4150 .get_link = ethtool_op_get_link, 4151 .get_eeprom_len = ice_get_eeprom_len, 4152 .get_eeprom = ice_get_eeprom, 4153 .get_coalesce = ice_get_coalesce, 4154 .set_coalesce = ice_set_coalesce, 4155 .get_strings = ice_get_strings, 4156 .set_phys_id = ice_set_phys_id, 4157 .get_ethtool_stats = ice_get_ethtool_stats, 4158 .get_priv_flags = ice_get_priv_flags, 4159 .set_priv_flags = ice_set_priv_flags, 4160 .get_sset_count = ice_get_sset_count, 4161 .get_rxnfc = ice_get_rxnfc, 4162 .set_rxnfc = ice_set_rxnfc, 4163 .get_ringparam = ice_get_ringparam, 4164 .set_ringparam = ice_set_ringparam, 4165 .nway_reset = ice_nway_reset, 4166 .get_pauseparam = ice_get_pauseparam, 4167 .set_pauseparam = ice_set_pauseparam, 4168 .get_rxfh_key_size = ice_get_rxfh_key_size, 4169 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4170 .get_rxfh_context = ice_get_rxfh_context, 4171 .get_rxfh = ice_get_rxfh, 4172 .set_rxfh = ice_set_rxfh, 4173 .get_channels = ice_get_channels, 4174 .set_channels = ice_set_channels, 4175 .get_ts_info = ice_get_ts_info, 4176 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4177 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4178 .get_fecparam = ice_get_fecparam, 4179 .set_fecparam = ice_set_fecparam, 4180 .get_module_info = ice_get_module_info, 4181 .get_module_eeprom = ice_get_module_eeprom, 4182}; 4183 4184static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4185 .get_link_ksettings = ice_get_link_ksettings, 4186 .set_link_ksettings = ice_set_link_ksettings, 4187 .get_drvinfo = ice_get_drvinfo, 4188 .get_regs_len = ice_get_regs_len, 4189 .get_regs = ice_get_regs, 4190 .get_wol = ice_get_wol, 4191 .set_wol = ice_set_wol, 4192 .get_msglevel = ice_get_msglevel, 4193 .set_msglevel = ice_set_msglevel, 4194 .get_link = ethtool_op_get_link, 4195 .get_eeprom_len = ice_get_eeprom_len, 4196 .get_eeprom = ice_get_eeprom, 4197 .get_strings = ice_get_strings, 4198 .get_ethtool_stats = ice_get_ethtool_stats, 4199 .get_sset_count = ice_get_sset_count, 4200 .get_ringparam = ice_get_ringparam, 4201 .set_ringparam = ice_set_ringparam, 4202 .nway_reset = ice_nway_reset, 4203 .get_channels = ice_get_channels, 4204}; 4205 4206/** 4207 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4208 * @netdev: network interface device structure 4209 */ 4210void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4211{ 4212 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4213} 4214 4215static const struct ethtool_ops ice_ethtool_repr_ops = { 4216 .get_drvinfo = ice_repr_get_drvinfo, 4217 .get_link = ethtool_op_get_link, 4218 .get_strings = ice_repr_get_strings, 4219 .get_ethtool_stats = ice_repr_get_ethtool_stats, 4220 .get_sset_count = ice_repr_get_sset_count, 4221}; 4222 4223/** 4224 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops 4225 * @netdev: network interface device structure 4226 */ 4227void ice_set_ethtool_repr_ops(struct net_device *netdev) 4228{ 4229 netdev->ethtool_ops = &ice_ethtool_repr_ops; 4230} 4231 4232/** 4233 * ice_set_ethtool_ops - setup netdev ethtool ops 4234 * @netdev: network interface device structure 4235 * 4236 * setup netdev ethtool ops with ice specific ops 4237 */ 4238void ice_set_ethtool_ops(struct net_device *netdev) 4239{ 4240 netdev->ethtool_ops = &ice_ethtool_ops; 4241} 4242