4828 lines · c
1// SPDX-License-Identifier: GPL-2.02/* 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 multiple90 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual91 * netdevs whereas the PF_STATs are for the physical function that's92 * hosting these netdevs.93 *94 * The PF_STATs are appended to the netdev stats only when ethtool -S95 * 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_eipe_error.nic", hw_rx_eipe_error),133 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),134 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),135 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),136 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),137 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),138 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),139 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),140 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped),141 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts),142 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed),143 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded),144 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates),145};146 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 0x000A0180156 GLDCB_TLPM_PCI_DM,157#define GLDCB_TLPM_TC2PFC 0x000A0194158 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 0x000BFD90193 GLPCI_WATMK_CLNT_PIPEMON,194#define GLPCI_CUR_CLNT_COMMON 0x000BFD84195 GLPCI_CUR_CLNT_COMMON,196#define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88197 GLPCI_CUR_CLNT_PIPEMON,198#define GLPCI_PCIERR 0x0009DEB0199 GLPCI_PCIERR,200#define GLPSM_DEBUG_CTL_STATUS 0x000B0600201 GLPSM_DEBUG_CTL_STATUS,202#define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680203 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT,204#define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684205 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT,206#define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688207 GLPSM0_DEBUG_DT_OUT_OF_WINDOW,208#define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C209 GLPSM0_DEBUG_INTF_HW_ERROR_DETECT,210#define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0211 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT,212#define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80213 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT,214#define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84215 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT,216#define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88217 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT,218#define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C219 GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT,220#define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90221 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT,222#define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680223 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT,224#define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684225 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT,226#define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688227 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 const u32 ice_adv_lnk_speed_100[] __initconst = {349 ETHTOOL_LINK_MODE_100baseT_Full_BIT,350};351 352static const u32 ice_adv_lnk_speed_1000[] __initconst = {353 ETHTOOL_LINK_MODE_1000baseX_Full_BIT,354 ETHTOOL_LINK_MODE_1000baseT_Full_BIT,355 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,356};357 358static const u32 ice_adv_lnk_speed_2500[] __initconst = {359 ETHTOOL_LINK_MODE_2500baseT_Full_BIT,360 ETHTOOL_LINK_MODE_2500baseX_Full_BIT,361};362 363static const u32 ice_adv_lnk_speed_5000[] __initconst = {364 ETHTOOL_LINK_MODE_5000baseT_Full_BIT,365};366 367static const u32 ice_adv_lnk_speed_10000[] __initconst = {368 ETHTOOL_LINK_MODE_10000baseT_Full_BIT,369 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,370 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,371 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,372};373 374static const u32 ice_adv_lnk_speed_25000[] __initconst = {375 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,376 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,377 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,378};379 380static const u32 ice_adv_lnk_speed_40000[] __initconst = {381 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,382 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,383 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,384 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,385};386 387static const u32 ice_adv_lnk_speed_50000[] __initconst = {388 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,389 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,390 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,391};392 393static const u32 ice_adv_lnk_speed_100000[] __initconst = {394 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,395 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,396 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,397 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,398 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,399 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,400 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,401};402 403static const u32 ice_adv_lnk_speed_200000[] __initconst = {404 ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,405 ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,406 ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,407 ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,408 ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT,409};410 411static struct ethtool_forced_speed_map ice_adv_lnk_speed_maps[] __ro_after_init = {412 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100),413 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 1000),414 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 2500),415 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 5000),416 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 10000),417 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 25000),418 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 40000),419 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 50000),420 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100000),421 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 200000),422};423 424void __init ice_adv_lnk_speed_maps_init(void)425{426 ethtool_forced_speed_maps_init(ice_adv_lnk_speed_maps,427 ARRAY_SIZE(ice_adv_lnk_speed_maps));428}429 430static void431__ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo,432 struct ice_vsi *vsi)433{434 struct ice_pf *pf = vsi->back;435 struct ice_hw *hw = &pf->hw;436 struct ice_orom_info *orom;437 struct ice_nvm_info *nvm;438 439 nvm = &hw->flash.nvm;440 orom = &hw->flash.orom;441 442 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));443 444 /* Display NVM version (from which the firmware version can be445 * determined) which contains more pertinent information.446 */447 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),448 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,449 nvm->eetrack, orom->major, orom->build, orom->patch);450 451 strscpy(drvinfo->bus_info, pci_name(pf->pdev),452 sizeof(drvinfo->bus_info));453}454 455static void456ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)457{458 struct ice_netdev_priv *np = netdev_priv(netdev);459 460 __ice_get_drvinfo(netdev, drvinfo, np->vsi);461 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;462}463 464static int ice_get_regs_len(struct net_device __always_unused *netdev)465{466 return (sizeof(ice_regs_dump_list) +467 sizeof(struct ice_regdump_to_ethtool));468}469 470/**471 * ice_ethtool_get_maxspeed - Get the max speed for given lport472 * @hw: pointer to the HW struct473 * @lport: logical port for which max speed is requested474 * @max_speed: return max speed for input lport475 *476 * Return: 0 on success, negative on failure.477 */478static int ice_ethtool_get_maxspeed(struct ice_hw *hw, u8 lport, u8 *max_speed)479{480 struct ice_aqc_get_port_options_elem options[ICE_AQC_PORT_OPT_MAX] = {};481 bool active_valid = false, pending_valid = true;482 u8 option_count = ICE_AQC_PORT_OPT_MAX;483 u8 active_idx = 0, pending_idx = 0;484 int status;485 486 status = ice_aq_get_port_options(hw, options, &option_count, lport,487 true, &active_idx, &active_valid,488 &pending_idx, &pending_valid);489 if (status)490 return -EIO;491 if (!active_valid)492 return -EINVAL;493 494 *max_speed = options[active_idx].max_lane_speed & ICE_AQC_PORT_OPT_MAX_LANE_M;495 return 0;496}497 498/**499 * ice_is_serdes_muxed - returns whether serdes is muxed in hardware500 * @hw: pointer to the HW struct501 *502 * Return: true when serdes is muxed, false when serdes is not muxed.503 */504static bool ice_is_serdes_muxed(struct ice_hw *hw)505{506 u32 reg_value = rd32(hw, GLGEN_SWITCH_MODE_CONFIG);507 508 return FIELD_GET(GLGEN_SWITCH_MODE_CONFIG_25X4_QUAD_M, reg_value);509}510 511static int ice_map_port_topology_for_sfp(struct ice_port_topology *port_topology,512 u8 lport, bool is_muxed)513{514 switch (lport) {515 case 0:516 port_topology->pcs_quad_select = 0;517 port_topology->pcs_port = 0;518 port_topology->primary_serdes_lane = 0;519 break;520 case 1:521 port_topology->pcs_quad_select = 1;522 port_topology->pcs_port = 0;523 if (is_muxed)524 port_topology->primary_serdes_lane = 2;525 else526 port_topology->primary_serdes_lane = 4;527 break;528 case 2:529 port_topology->pcs_quad_select = 0;530 port_topology->pcs_port = 1;531 port_topology->primary_serdes_lane = 1;532 break;533 case 3:534 port_topology->pcs_quad_select = 1;535 port_topology->pcs_port = 1;536 if (is_muxed)537 port_topology->primary_serdes_lane = 3;538 else539 port_topology->primary_serdes_lane = 5;540 break;541 case 4:542 port_topology->pcs_quad_select = 0;543 port_topology->pcs_port = 2;544 port_topology->primary_serdes_lane = 2;545 break;546 case 5:547 port_topology->pcs_quad_select = 1;548 port_topology->pcs_port = 2;549 port_topology->primary_serdes_lane = 6;550 break;551 case 6:552 port_topology->pcs_quad_select = 0;553 port_topology->pcs_port = 3;554 port_topology->primary_serdes_lane = 3;555 break;556 case 7:557 port_topology->pcs_quad_select = 1;558 port_topology->pcs_port = 3;559 port_topology->primary_serdes_lane = 7;560 break;561 default:562 return -EINVAL;563 }564 565 return 0;566}567 568static int ice_map_port_topology_for_qsfp(struct ice_port_topology *port_topology,569 u8 lport, bool is_muxed)570{571 switch (lport) {572 case 0:573 port_topology->pcs_quad_select = 0;574 port_topology->pcs_port = 0;575 port_topology->primary_serdes_lane = 0;576 break;577 case 1:578 port_topology->pcs_quad_select = 1;579 port_topology->pcs_port = 0;580 if (is_muxed)581 port_topology->primary_serdes_lane = 2;582 else583 port_topology->primary_serdes_lane = 4;584 break;585 case 2:586 port_topology->pcs_quad_select = 0;587 port_topology->pcs_port = 1;588 port_topology->primary_serdes_lane = 1;589 break;590 case 3:591 port_topology->pcs_quad_select = 1;592 port_topology->pcs_port = 1;593 if (is_muxed)594 port_topology->primary_serdes_lane = 3;595 else596 port_topology->primary_serdes_lane = 5;597 break;598 case 4:599 port_topology->pcs_quad_select = 0;600 port_topology->pcs_port = 2;601 port_topology->primary_serdes_lane = 2;602 break;603 case 5:604 port_topology->pcs_quad_select = 1;605 port_topology->pcs_port = 2;606 port_topology->primary_serdes_lane = 6;607 break;608 case 6:609 port_topology->pcs_quad_select = 0;610 port_topology->pcs_port = 3;611 port_topology->primary_serdes_lane = 3;612 break;613 case 7:614 port_topology->pcs_quad_select = 1;615 port_topology->pcs_port = 3;616 port_topology->primary_serdes_lane = 7;617 break;618 default:619 return -EINVAL;620 }621 622 return 0;623}624 625/**626 * ice_get_port_topology - returns physical topology like pcsquad, pcsport,627 * serdes number628 * @hw: pointer to the HW struct629 * @lport: logical port for which physical info requested630 * @port_topology: buffer to hold port topology631 *632 * Return: 0 on success, negative on failure.633 */634static int ice_get_port_topology(struct ice_hw *hw, u8 lport,635 struct ice_port_topology *port_topology)636{637 struct ice_aqc_get_link_topo cmd = {};638 u16 node_handle = 0;639 u8 cage_type = 0;640 bool is_muxed;641 int err;642 u8 ctx;643 644 ctx = ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE << ICE_AQC_LINK_TOPO_NODE_TYPE_S;645 ctx |= ICE_AQC_LINK_TOPO_NODE_CTX_PORT << ICE_AQC_LINK_TOPO_NODE_CTX_S;646 cmd.addr.topo_params.node_type_ctx = ctx;647 648 err = ice_aq_get_netlist_node(hw, &cmd, &cage_type, &node_handle);649 if (err)650 return -EINVAL;651 652 is_muxed = ice_is_serdes_muxed(hw);653 654 if (cage_type == 0x11 || /* SFP+ */655 cage_type == 0x12) { /* SFP28 */656 port_topology->serdes_lane_count = 1;657 err = ice_map_port_topology_for_sfp(port_topology, lport, is_muxed);658 if (err)659 return err;660 } else if (cage_type == 0x13 || /* QSFP */661 cage_type == 0x14) { /* QSFP28 */662 u8 max_speed = 0;663 664 err = ice_ethtool_get_maxspeed(hw, lport, &max_speed);665 if (err)666 return err;667 668 if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_100G)669 port_topology->serdes_lane_count = 4;670 else if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_50G)671 port_topology->serdes_lane_count = 2;672 else673 port_topology->serdes_lane_count = 1;674 675 err = ice_map_port_topology_for_qsfp(port_topology, lport, is_muxed);676 if (err)677 return err;678 } else {679 return -EINVAL;680 }681 682 return 0;683}684 685/**686 * ice_get_tx_rx_equa - read serdes tx rx equaliser param687 * @hw: pointer to the HW struct688 * @serdes_num: represents the serdes number689 * @ptr: structure to read all serdes parameter for given serdes690 *691 * Return: all serdes equalization parameter supported per serdes number692 */693static int ice_get_tx_rx_equa(struct ice_hw *hw, u8 serdes_num,694 struct ice_serdes_equalization_to_ethtool *ptr)695{696 int err;697 698 err = ice_aq_get_phy_equalization(hw, ICE_AQC_TX_EQU_PRE1,699 ICE_AQC_OP_CODE_TX_EQU, serdes_num,700 &ptr->tx_equalization_pre1);701 if (err)702 return err;703 704 err = ice_aq_get_phy_equalization(hw, ICE_AQC_TX_EQU_PRE3,705 ICE_AQC_OP_CODE_TX_EQU, serdes_num,706 &ptr->tx_equalization_pre3);707 if (err)708 return err;709 710 err = ice_aq_get_phy_equalization(hw, ICE_AQC_TX_EQU_ATTEN,711 ICE_AQC_OP_CODE_TX_EQU, serdes_num,712 &ptr->tx_equalization_atten);713 if (err)714 return err;715 716 err = ice_aq_get_phy_equalization(hw, ICE_AQC_TX_EQU_POST1,717 ICE_AQC_OP_CODE_TX_EQU, serdes_num,718 &ptr->tx_equalization_post1);719 if (err)720 return err;721 722 err = ice_aq_get_phy_equalization(hw, ICE_AQC_TX_EQU_PRE2,723 ICE_AQC_OP_CODE_TX_EQU, serdes_num,724 &ptr->tx_equalization_pre2);725 if (err)726 return err;727 728 err = ice_aq_get_phy_equalization(hw, ICE_AQC_RX_EQU_PRE2,729 ICE_AQC_OP_CODE_RX_EQU, serdes_num,730 &ptr->rx_equalization_pre2);731 if (err)732 return err;733 734 err = ice_aq_get_phy_equalization(hw, ICE_AQC_RX_EQU_PRE1,735 ICE_AQC_OP_CODE_RX_EQU, serdes_num,736 &ptr->rx_equalization_pre1);737 if (err)738 return err;739 740 err = ice_aq_get_phy_equalization(hw, ICE_AQC_RX_EQU_POST1,741 ICE_AQC_OP_CODE_RX_EQU, serdes_num,742 &ptr->rx_equalization_post1);743 if (err)744 return err;745 746 err = ice_aq_get_phy_equalization(hw, ICE_AQC_RX_EQU_BFLF,747 ICE_AQC_OP_CODE_RX_EQU, serdes_num,748 &ptr->rx_equalization_bflf);749 if (err)750 return err;751 752 err = ice_aq_get_phy_equalization(hw, ICE_AQC_RX_EQU_BFHF,753 ICE_AQC_OP_CODE_RX_EQU, serdes_num,754 &ptr->rx_equalization_bfhf);755 if (err)756 return err;757 758 err = ice_aq_get_phy_equalization(hw, ICE_AQC_RX_EQU_DRATE,759 ICE_AQC_OP_CODE_RX_EQU, serdes_num,760 &ptr->rx_equalization_drate);761 if (err)762 return err;763 764 return 0;765}766 767/**768 * ice_get_extended_regs - returns FEC correctable, uncorrectable stats per769 * pcsquad, pcsport770 * @netdev: pointer to net device structure771 * @p: output buffer to fill requested register dump772 *773 * Return: 0 on success, negative on failure.774 */775static int ice_get_extended_regs(struct net_device *netdev, void *p)776{777 struct ice_netdev_priv *np = netdev_priv(netdev);778 struct ice_regdump_to_ethtool *ice_prv_regs_buf;779 struct ice_port_topology port_topology = {};780 struct ice_port_info *pi;781 struct ice_pf *pf;782 struct ice_hw *hw;783 unsigned int i;784 int err;785 786 pf = np->vsi->back;787 hw = &pf->hw;788 pi = np->vsi->port_info;789 790 /* Serdes parameters are not supported if not the PF VSI */791 if (np->vsi->type != ICE_VSI_PF || !pi)792 return -EINVAL;793 794 err = ice_get_port_topology(hw, pi->lport, &port_topology);795 if (err)796 return -EINVAL;797 if (port_topology.serdes_lane_count > 4)798 return -EINVAL;799 800 ice_prv_regs_buf = p;801 802 /* Get serdes equalization parameter for available serdes */803 for (i = 0; i < port_topology.serdes_lane_count; i++) {804 u8 serdes_num = 0;805 806 serdes_num = port_topology.primary_serdes_lane + i;807 err = ice_get_tx_rx_equa(hw, serdes_num,808 &ice_prv_regs_buf->equalization[i]);809 if (err)810 return -EINVAL;811 }812 813 return 0;814}815 816static void817ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)818{819 struct ice_netdev_priv *np = netdev_priv(netdev);820 struct ice_pf *pf = np->vsi->back;821 struct ice_hw *hw = &pf->hw;822 u32 *regs_buf = (u32 *)p;823 unsigned int i;824 825 regs->version = 2;826 827 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)828 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);829 830 ice_get_extended_regs(netdev, (void *)®s_buf[i]);831}832 833static u32 ice_get_msglevel(struct net_device *netdev)834{835 struct ice_netdev_priv *np = netdev_priv(netdev);836 struct ice_pf *pf = np->vsi->back;837 838#ifndef CONFIG_DYNAMIC_DEBUG839 if (pf->hw.debug_mask)840 netdev_info(netdev, "hw debug_mask: 0x%llX\n",841 pf->hw.debug_mask);842#endif /* !CONFIG_DYNAMIC_DEBUG */843 844 return pf->msg_enable;845}846 847static void ice_set_msglevel(struct net_device *netdev, u32 data)848{849 struct ice_netdev_priv *np = netdev_priv(netdev);850 struct ice_pf *pf = np->vsi->back;851 852#ifndef CONFIG_DYNAMIC_DEBUG853 if (ICE_DBG_USER & data)854 pf->hw.debug_mask = data;855 else856 pf->msg_enable = data;857#else858 pf->msg_enable = data;859#endif /* !CONFIG_DYNAMIC_DEBUG */860}861 862static int ice_get_eeprom_len(struct net_device *netdev)863{864 struct ice_netdev_priv *np = netdev_priv(netdev);865 struct ice_pf *pf = np->vsi->back;866 867 return (int)pf->hw.flash.flash_size;868}869 870static int871ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,872 u8 *bytes)873{874 struct ice_netdev_priv *np = netdev_priv(netdev);875 struct ice_vsi *vsi = np->vsi;876 struct ice_pf *pf = vsi->back;877 struct ice_hw *hw = &pf->hw;878 struct device *dev;879 int ret;880 u8 *buf;881 882 dev = ice_pf_to_dev(pf);883 884 eeprom->magic = hw->vendor_id | (hw->device_id << 16);885 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",886 eeprom->cmd, eeprom->offset, eeprom->len);887 888 buf = kzalloc(eeprom->len, GFP_KERNEL);889 if (!buf)890 return -ENOMEM;891 892 ret = ice_acquire_nvm(hw, ICE_RES_READ);893 if (ret) {894 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n",895 ret, ice_aq_str(hw->adminq.sq_last_status));896 goto out;897 }898 899 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,900 false);901 if (ret) {902 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n",903 ret, ice_aq_str(hw->adminq.sq_last_status));904 goto release;905 }906 907 memcpy(bytes, buf, eeprom->len);908release:909 ice_release_nvm(hw);910out:911 kfree(buf);912 return ret;913}914 915/**916 * ice_active_vfs - check if there are any active VFs917 * @pf: board private structure918 *919 * Returns true if an active VF is found, otherwise returns false920 */921static bool ice_active_vfs(struct ice_pf *pf)922{923 bool active = false;924 struct ice_vf *vf;925 unsigned int bkt;926 927 rcu_read_lock();928 ice_for_each_vf_rcu(pf, bkt, vf) {929 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {930 active = true;931 break;932 }933 }934 rcu_read_unlock();935 936 return active;937}938 939/**940 * ice_link_test - perform a link test on a given net_device941 * @netdev: network interface device structure942 *943 * This function performs one of the self-tests required by ethtool.944 * Returns 0 on success, non-zero on failure.945 */946static u64 ice_link_test(struct net_device *netdev)947{948 struct ice_netdev_priv *np = netdev_priv(netdev);949 bool link_up = false;950 int status;951 952 netdev_info(netdev, "link test\n");953 status = ice_get_link_status(np->vsi->port_info, &link_up);954 if (status) {955 netdev_err(netdev, "link query error, status = %d\n",956 status);957 return 1;958 }959 960 if (!link_up)961 return 2;962 963 return 0;964}965 966/**967 * ice_eeprom_test - perform an EEPROM test on a given net_device968 * @netdev: network interface device structure969 *970 * This function performs one of the self-tests required by ethtool.971 * Returns 0 on success, non-zero on failure.972 */973static u64 ice_eeprom_test(struct net_device *netdev)974{975 struct ice_netdev_priv *np = netdev_priv(netdev);976 struct ice_pf *pf = np->vsi->back;977 978 netdev_info(netdev, "EEPROM test\n");979 return !!(ice_nvm_validate_checksum(&pf->hw));980}981 982/**983 * ice_reg_pattern_test984 * @hw: pointer to the HW struct985 * @reg: reg to be tested986 * @mask: bits to be touched987 */988static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)989{990 struct ice_pf *pf = (struct ice_pf *)hw->back;991 struct device *dev = ice_pf_to_dev(pf);992 static const u32 patterns[] = {993 0x5A5A5A5A, 0xA5A5A5A5,994 0x00000000, 0xFFFFFFFF995 };996 u32 val, orig_val;997 unsigned int i;998 999 orig_val = rd32(hw, reg);1000 for (i = 0; i < ARRAY_SIZE(patterns); ++i) {1001 u32 pattern = patterns[i] & mask;1002 1003 wr32(hw, reg, pattern);1004 val = rd32(hw, reg);1005 if (val == pattern)1006 continue;1007 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"1008 , __func__, reg, pattern, val);1009 return 1;1010 }1011 1012 wr32(hw, reg, orig_val);1013 val = rd32(hw, reg);1014 if (val != orig_val) {1015 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"1016 , __func__, reg, orig_val, val);1017 return 1;1018 }1019 1020 return 0;1021}1022 1023/**1024 * ice_reg_test - perform a register test on a given net_device1025 * @netdev: network interface device structure1026 *1027 * This function performs one of the self-tests required by ethtool.1028 * Returns 0 on success, non-zero on failure.1029 */1030static u64 ice_reg_test(struct net_device *netdev)1031{1032 struct ice_netdev_priv *np = netdev_priv(netdev);1033 struct ice_hw *hw = np->vsi->port_info->hw;1034 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?1035 hw->func_caps.common_cap.num_msix_vectors - 1 : 1;1036 struct ice_diag_reg_test_info {1037 u32 address;1038 u32 mask;1039 u32 elem_num;1040 u32 elem_size;1041 } ice_reg_list[] = {1042 {GLINT_ITR(0, 0), 0x00000fff, int_elements,1043 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},1044 {GLINT_ITR(1, 0), 0x00000fff, int_elements,1045 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},1046 {GLINT_ITR(0, 0), 0x00000fff, int_elements,1047 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},1048 {GLINT_CTL, 0xffff0001, 1, 0}1049 };1050 unsigned int i;1051 1052 netdev_dbg(netdev, "Register test\n");1053 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {1054 u32 j;1055 1056 for (j = 0; j < ice_reg_list[i].elem_num; ++j) {1057 u32 mask = ice_reg_list[i].mask;1058 u32 reg = ice_reg_list[i].address +1059 (j * ice_reg_list[i].elem_size);1060 1061 /* bail on failure (non-zero return) */1062 if (ice_reg_pattern_test(hw, reg, mask))1063 return 1;1064 }1065 }1066 1067 return 0;1068}1069 1070/**1071 * ice_lbtest_prepare_rings - configure Tx/Rx test rings1072 * @vsi: pointer to the VSI structure1073 *1074 * Function configures rings of a VSI for loopback test without1075 * enabling interrupts or informing the kernel about new queues.1076 *1077 * Returns 0 on success, negative on failure.1078 */1079static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)1080{1081 int status;1082 1083 status = ice_vsi_setup_tx_rings(vsi);1084 if (status)1085 goto err_setup_tx_ring;1086 1087 status = ice_vsi_setup_rx_rings(vsi);1088 if (status)1089 goto err_setup_rx_ring;1090 1091 status = ice_vsi_cfg_lan(vsi);1092 if (status)1093 goto err_setup_rx_ring;1094 1095 status = ice_vsi_start_all_rx_rings(vsi);1096 if (status)1097 goto err_start_rx_ring;1098 1099 return 0;1100 1101err_start_rx_ring:1102 ice_vsi_free_rx_rings(vsi);1103err_setup_rx_ring:1104 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);1105err_setup_tx_ring:1106 ice_vsi_free_tx_rings(vsi);1107 1108 return status;1109}1110 1111/**1112 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test1113 * @vsi: pointer to the VSI structure1114 *1115 * Function stops and frees VSI rings after a loopback test.1116 * Returns 0 on success, negative on failure.1117 */1118static int ice_lbtest_disable_rings(struct ice_vsi *vsi)1119{1120 int status;1121 1122 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);1123 if (status)1124 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",1125 vsi->vsi_num, status);1126 1127 status = ice_vsi_stop_all_rx_rings(vsi);1128 if (status)1129 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",1130 vsi->vsi_num, status);1131 1132 ice_vsi_free_tx_rings(vsi);1133 ice_vsi_free_rx_rings(vsi);1134 1135 return status;1136}1137 1138/**1139 * ice_lbtest_create_frame - create test packet1140 * @pf: pointer to the PF structure1141 * @ret_data: allocated frame buffer1142 * @size: size of the packet data1143 *1144 * Function allocates a frame with a test pattern on specific offsets.1145 * Returns 0 on success, non-zero on failure.1146 */1147static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)1148{1149 u8 *data;1150 1151 if (!pf)1152 return -EINVAL;1153 1154 data = kzalloc(size, GFP_KERNEL);1155 if (!data)1156 return -ENOMEM;1157 1158 /* Since the ethernet test frame should always be at least1159 * 64 bytes long, fill some octets in the payload with test data.1160 */1161 memset(data, 0xFF, size);1162 data[32] = 0xDE;1163 data[42] = 0xAD;1164 data[44] = 0xBE;1165 data[46] = 0xEF;1166 1167 *ret_data = data;1168 1169 return 0;1170}1171 1172/**1173 * ice_lbtest_check_frame - verify received loopback frame1174 * @frame: pointer to the raw packet data1175 *1176 * Function verifies received test frame with a pattern.1177 * Returns true if frame matches the pattern, false otherwise.1178 */1179static bool ice_lbtest_check_frame(u8 *frame)1180{1181 /* Validate bytes of a frame under offsets chosen earlier */1182 if (frame[32] == 0xDE &&1183 frame[42] == 0xAD &&1184 frame[44] == 0xBE &&1185 frame[46] == 0xEF &&1186 frame[48] == 0xFF)1187 return true;1188 1189 return false;1190}1191 1192/**1193 * ice_diag_send - send test frames to the test ring1194 * @tx_ring: pointer to the transmit ring1195 * @data: pointer to the raw packet data1196 * @size: size of the packet to send1197 *1198 * Function sends loopback packets on a test Tx ring.1199 */1200static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size)1201{1202 struct ice_tx_desc *tx_desc;1203 struct ice_tx_buf *tx_buf;1204 dma_addr_t dma;1205 u64 td_cmd;1206 1207 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);1208 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];1209 1210 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);1211 if (dma_mapping_error(tx_ring->dev, dma))1212 return -EINVAL;1213 1214 tx_desc->buf_addr = cpu_to_le64(dma);1215 1216 /* These flags are required for a descriptor to be pushed out */1217 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);1218 tx_desc->cmd_type_offset_bsz =1219 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |1220 (td_cmd << ICE_TXD_QW1_CMD_S) |1221 ((u64)0 << ICE_TXD_QW1_OFFSET_S) |1222 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |1223 ((u64)0 << ICE_TXD_QW1_L2TAG1_S));1224 1225 tx_buf->next_to_watch = tx_desc;1226 1227 /* Force memory write to complete before letting h/w know1228 * there are new descriptors to fetch.1229 */1230 wmb();1231 1232 tx_ring->next_to_use++;1233 if (tx_ring->next_to_use >= tx_ring->count)1234 tx_ring->next_to_use = 0;1235 1236 writel_relaxed(tx_ring->next_to_use, tx_ring->tail);1237 1238 /* Wait until the packets get transmitted to the receive queue. */1239 usleep_range(1000, 2000);1240 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);1241 1242 return 0;1243}1244 1245#define ICE_LB_FRAME_SIZE 641246/**1247 * ice_lbtest_receive_frames - receive and verify test frames1248 * @rx_ring: pointer to the receive ring1249 *1250 * Function receives loopback packets and verify their correctness.1251 * Returns number of received valid frames.1252 */1253static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)1254{1255 struct ice_rx_buf *rx_buf;1256 int valid_frames, i;1257 u8 *received_buf;1258 1259 valid_frames = 0;1260 1261 for (i = 0; i < rx_ring->count; i++) {1262 union ice_32b_rx_flex_desc *rx_desc;1263 1264 rx_desc = ICE_RX_DESC(rx_ring, i);1265 1266 if (!(rx_desc->wb.status_error0 &1267 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) |1268 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)))))1269 continue;1270 1271 rx_buf = &rx_ring->rx_buf[i];1272 received_buf = page_address(rx_buf->page) + rx_buf->page_offset;1273 1274 if (ice_lbtest_check_frame(received_buf))1275 valid_frames++;1276 }1277 1278 return valid_frames;1279}1280 1281/**1282 * ice_loopback_test - perform a loopback test on a given net_device1283 * @netdev: network interface device structure1284 *1285 * This function performs one of the self-tests required by ethtool.1286 * Returns 0 on success, non-zero on failure.1287 */1288static u64 ice_loopback_test(struct net_device *netdev)1289{1290 struct ice_netdev_priv *np = netdev_priv(netdev);1291 struct ice_vsi *orig_vsi = np->vsi, *test_vsi;1292 struct ice_pf *pf = orig_vsi->back;1293 u8 *tx_frame __free(kfree) = NULL;1294 u8 broadcast[ETH_ALEN], ret = 0;1295 int num_frames, valid_frames;1296 struct ice_tx_ring *tx_ring;1297 struct ice_rx_ring *rx_ring;1298 int i;1299 1300 netdev_info(netdev, "loopback test\n");1301 1302 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);1303 if (!test_vsi) {1304 netdev_err(netdev, "Failed to create a VSI for the loopback test\n");1305 return 1;1306 }1307 1308 test_vsi->netdev = netdev;1309 tx_ring = test_vsi->tx_rings[0];1310 rx_ring = test_vsi->rx_rings[0];1311 1312 if (ice_lbtest_prepare_rings(test_vsi)) {1313 ret = 2;1314 goto lbtest_vsi_close;1315 }1316 1317 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {1318 ret = 3;1319 goto lbtest_rings_dis;1320 }1321 1322 /* Enable MAC loopback in firmware */1323 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {1324 ret = 4;1325 goto lbtest_mac_dis;1326 }1327 1328 /* Test VSI needs to receive broadcast packets */1329 eth_broadcast_addr(broadcast);1330 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {1331 ret = 5;1332 goto lbtest_mac_dis;1333 }1334 1335 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {1336 ret = 7;1337 goto remove_mac_filters;1338 }1339 1340 num_frames = min_t(int, tx_ring->count, 32);1341 for (i = 0; i < num_frames; i++) {1342 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {1343 ret = 8;1344 goto remove_mac_filters;1345 }1346 }1347 1348 valid_frames = ice_lbtest_receive_frames(rx_ring);1349 if (!valid_frames)1350 ret = 9;1351 else if (valid_frames != num_frames)1352 ret = 10;1353 1354remove_mac_filters:1355 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))1356 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");1357lbtest_mac_dis:1358 /* Disable MAC loopback after the test is completed. */1359 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))1360 netdev_err(netdev, "Could not disable MAC loopback\n");1361lbtest_rings_dis:1362 if (ice_lbtest_disable_rings(test_vsi))1363 netdev_err(netdev, "Could not disable test rings\n");1364lbtest_vsi_close:1365 test_vsi->netdev = NULL;1366 if (ice_vsi_release(test_vsi))1367 netdev_err(netdev, "Failed to remove the test VSI\n");1368 1369 return ret;1370}1371 1372/**1373 * ice_intr_test - perform an interrupt test on a given net_device1374 * @netdev: network interface device structure1375 *1376 * This function performs one of the self-tests required by ethtool.1377 * Returns 0 on success, non-zero on failure.1378 */1379static u64 ice_intr_test(struct net_device *netdev)1380{1381 struct ice_netdev_priv *np = netdev_priv(netdev);1382 struct ice_pf *pf = np->vsi->back;1383 u16 swic_old = pf->sw_int_count;1384 1385 netdev_info(netdev, "interrupt test\n");1386 1387 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index),1388 GLINT_DYN_CTL_SW_ITR_INDX_M |1389 GLINT_DYN_CTL_INTENA_MSK_M |1390 GLINT_DYN_CTL_SWINT_TRIG_M);1391 1392 usleep_range(1000, 2000);1393 return (swic_old == pf->sw_int_count);1394}1395 1396/**1397 * ice_self_test - handler function for performing a self-test by ethtool1398 * @netdev: network interface device structure1399 * @eth_test: ethtool_test structure1400 * @data: required by ethtool.self_test1401 *1402 * This function is called after invoking 'ethtool -t devname' command where1403 * devname is the name of the network device on which ethtool should operate.1404 * It performs a set of self-tests to check if a device works properly.1405 */1406static void1407ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,1408 u64 *data)1409{1410 struct ice_netdev_priv *np = netdev_priv(netdev);1411 bool if_running = netif_running(netdev);1412 struct ice_pf *pf = np->vsi->back;1413 struct device *dev;1414 1415 dev = ice_pf_to_dev(pf);1416 1417 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {1418 netdev_info(netdev, "offline testing starting\n");1419 1420 set_bit(ICE_TESTING, pf->state);1421 1422 if (ice_active_vfs(pf)) {1423 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");1424 data[ICE_ETH_TEST_REG] = 1;1425 data[ICE_ETH_TEST_EEPROM] = 1;1426 data[ICE_ETH_TEST_INTR] = 1;1427 data[ICE_ETH_TEST_LOOP] = 1;1428 data[ICE_ETH_TEST_LINK] = 1;1429 eth_test->flags |= ETH_TEST_FL_FAILED;1430 clear_bit(ICE_TESTING, pf->state);1431 goto skip_ol_tests;1432 }1433 /* If the device is online then take it offline */1434 if (if_running)1435 /* indicate we're in test mode */1436 ice_stop(netdev);1437 1438 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);1439 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);1440 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);1441 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);1442 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);1443 1444 if (data[ICE_ETH_TEST_LINK] ||1445 data[ICE_ETH_TEST_EEPROM] ||1446 data[ICE_ETH_TEST_LOOP] ||1447 data[ICE_ETH_TEST_INTR] ||1448 data[ICE_ETH_TEST_REG])1449 eth_test->flags |= ETH_TEST_FL_FAILED;1450 1451 clear_bit(ICE_TESTING, pf->state);1452 1453 if (if_running) {1454 int status = ice_open(netdev);1455 1456 if (status) {1457 dev_err(dev, "Could not open device %s, err %d\n",1458 pf->int_name, status);1459 }1460 }1461 } else {1462 /* Online tests */1463 netdev_info(netdev, "online testing starting\n");1464 1465 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);1466 if (data[ICE_ETH_TEST_LINK])1467 eth_test->flags |= ETH_TEST_FL_FAILED;1468 1469 /* Offline only tests, not run in online; pass by default */1470 data[ICE_ETH_TEST_REG] = 0;1471 data[ICE_ETH_TEST_EEPROM] = 0;1472 data[ICE_ETH_TEST_INTR] = 0;1473 data[ICE_ETH_TEST_LOOP] = 0;1474 }1475 1476skip_ol_tests:1477 netdev_info(netdev, "testing finished\n");1478}1479 1480static void1481__ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data,1482 struct ice_vsi *vsi)1483{1484 unsigned int i;1485 u8 *p = data;1486 1487 switch (stringset) {1488 case ETH_SS_STATS:1489 for (i = 0; i < ICE_VSI_STATS_LEN; i++)1490 ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string);1491 1492 if (ice_is_port_repr_netdev(netdev))1493 return;1494 1495 ice_for_each_alloc_txq(vsi, i) {1496 ethtool_sprintf(&p, "tx_queue_%u_packets", i);1497 ethtool_sprintf(&p, "tx_queue_%u_bytes", i);1498 }1499 1500 ice_for_each_alloc_rxq(vsi, i) {1501 ethtool_sprintf(&p, "rx_queue_%u_packets", i);1502 ethtool_sprintf(&p, "rx_queue_%u_bytes", i);1503 }1504 1505 if (vsi->type != ICE_VSI_PF)1506 return;1507 1508 for (i = 0; i < ICE_PF_STATS_LEN; i++)1509 ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string);1510 1511 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {1512 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);1513 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);1514 }1515 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {1516 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);1517 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);1518 }1519 break;1520 case ETH_SS_TEST:1521 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);1522 break;1523 case ETH_SS_PRIV_FLAGS:1524 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)1525 ethtool_puts(&p, ice_gstrings_priv_flags[i].name);1526 break;1527 default:1528 break;1529 }1530}1531 1532static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)1533{1534 struct ice_netdev_priv *np = netdev_priv(netdev);1535 1536 __ice_get_strings(netdev, stringset, data, np->vsi);1537}1538 1539static int1540ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)1541{1542 struct ice_netdev_priv *np = netdev_priv(netdev);1543 bool led_active;1544 1545 switch (state) {1546 case ETHTOOL_ID_ACTIVE:1547 led_active = true;1548 break;1549 case ETHTOOL_ID_INACTIVE:1550 led_active = false;1551 break;1552 default:1553 return -EINVAL;1554 }1555 1556 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))1557 return -EIO;1558 1559 return 0;1560}1561 1562/**1563 * ice_set_fec_cfg - Set link FEC options1564 * @netdev: network interface device structure1565 * @req_fec: FEC mode to configure1566 */1567static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)1568{1569 struct ice_netdev_priv *np = netdev_priv(netdev);1570 struct ice_aqc_set_phy_cfg_data config = { 0 };1571 struct ice_vsi *vsi = np->vsi;1572 struct ice_port_info *pi;1573 1574 pi = vsi->port_info;1575 if (!pi)1576 return -EOPNOTSUPP;1577 1578 /* Changing the FEC parameters is not supported if not the PF VSI */1579 if (vsi->type != ICE_VSI_PF) {1580 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");1581 return -EOPNOTSUPP;1582 }1583 1584 /* Proceed only if requesting different FEC mode */1585 if (pi->phy.curr_user_fec_req == req_fec)1586 return 0;1587 1588 /* Copy the current user PHY configuration. The current user PHY1589 * configuration is initialized during probe from PHY capabilities1590 * software mode, and updated on set PHY configuration.1591 */1592 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));1593 1594 ice_cfg_phy_fec(pi, &config, req_fec);1595 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;1596 1597 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))1598 return -EAGAIN;1599 1600 /* Save requested FEC config */1601 pi->phy.curr_user_fec_req = req_fec;1602 1603 return 0;1604}1605 1606/**1607 * ice_set_fecparam - Set FEC link options1608 * @netdev: network interface device structure1609 * @fecparam: Ethtool structure to retrieve FEC parameters1610 */1611static int1612ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)1613{1614 struct ice_netdev_priv *np = netdev_priv(netdev);1615 struct ice_vsi *vsi = np->vsi;1616 enum ice_fec_mode fec;1617 1618 switch (fecparam->fec) {1619 case ETHTOOL_FEC_AUTO:1620 fec = ICE_FEC_AUTO;1621 break;1622 case ETHTOOL_FEC_RS:1623 fec = ICE_FEC_RS;1624 break;1625 case ETHTOOL_FEC_BASER:1626 fec = ICE_FEC_BASER;1627 break;1628 case ETHTOOL_FEC_OFF:1629 case ETHTOOL_FEC_NONE:1630 fec = ICE_FEC_NONE;1631 break;1632 default:1633 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",1634 fecparam->fec);1635 return -EINVAL;1636 }1637 1638 return ice_set_fec_cfg(netdev, fec);1639}1640 1641/**1642 * ice_get_fecparam - Get link FEC options1643 * @netdev: network interface device structure1644 * @fecparam: Ethtool structure to retrieve FEC parameters1645 */1646static int1647ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)1648{1649 struct ice_netdev_priv *np = netdev_priv(netdev);1650 struct ice_aqc_get_phy_caps_data *caps;1651 struct ice_link_status *link_info;1652 struct ice_vsi *vsi = np->vsi;1653 struct ice_port_info *pi;1654 int err;1655 1656 pi = vsi->port_info;1657 1658 if (!pi)1659 return -EOPNOTSUPP;1660 link_info = &pi->phy.link_info;1661 1662 /* Set FEC mode based on negotiated link info */1663 switch (link_info->fec_info) {1664 case ICE_AQ_LINK_25G_KR_FEC_EN:1665 fecparam->active_fec = ETHTOOL_FEC_BASER;1666 break;1667 case ICE_AQ_LINK_25G_RS_528_FEC_EN:1668 case ICE_AQ_LINK_25G_RS_544_FEC_EN:1669 fecparam->active_fec = ETHTOOL_FEC_RS;1670 break;1671 default:1672 fecparam->active_fec = ETHTOOL_FEC_OFF;1673 break;1674 }1675 1676 caps = kzalloc(sizeof(*caps), GFP_KERNEL);1677 if (!caps)1678 return -ENOMEM;1679 1680 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,1681 caps, NULL);1682 if (err)1683 goto done;1684 1685 /* Set supported/configured FEC modes based on PHY capability */1686 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)1687 fecparam->fec |= ETHTOOL_FEC_AUTO;1688 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||1689 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||1690 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||1691 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)1692 fecparam->fec |= ETHTOOL_FEC_BASER;1693 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||1694 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||1695 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)1696 fecparam->fec |= ETHTOOL_FEC_RS;1697 if (caps->link_fec_options == 0)1698 fecparam->fec |= ETHTOOL_FEC_OFF;1699 1700done:1701 kfree(caps);1702 return err;1703}1704 1705/**1706 * ice_nway_reset - restart autonegotiation1707 * @netdev: network interface device structure1708 */1709static int ice_nway_reset(struct net_device *netdev)1710{1711 struct ice_netdev_priv *np = netdev_priv(netdev);1712 struct ice_vsi *vsi = np->vsi;1713 int err;1714 1715 /* If VSI state is up, then restart autoneg with link up */1716 if (!test_bit(ICE_DOWN, vsi->back->state))1717 err = ice_set_link(vsi, true);1718 else1719 err = ice_set_link(vsi, false);1720 1721 return err;1722}1723 1724/**1725 * ice_get_priv_flags - report device private flags1726 * @netdev: network interface device structure1727 *1728 * The get string set count and the string set should be matched for each1729 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags1730 * array.1731 *1732 * Returns a u32 bitmap of flags.1733 */1734static u32 ice_get_priv_flags(struct net_device *netdev)1735{1736 struct ice_netdev_priv *np = netdev_priv(netdev);1737 struct ice_vsi *vsi = np->vsi;1738 struct ice_pf *pf = vsi->back;1739 u32 i, ret_flags = 0;1740 1741 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {1742 const struct ice_priv_flag *priv_flag;1743 1744 priv_flag = &ice_gstrings_priv_flags[i];1745 1746 if (test_bit(priv_flag->bitno, pf->flags))1747 ret_flags |= BIT(i);1748 }1749 1750 return ret_flags;1751}1752 1753/**1754 * ice_set_priv_flags - set private flags1755 * @netdev: network interface device structure1756 * @flags: bit flags to be set1757 */1758static int ice_set_priv_flags(struct net_device *netdev, u32 flags)1759{1760 struct ice_netdev_priv *np = netdev_priv(netdev);1761 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);1762 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);1763 struct ice_vsi *vsi = np->vsi;1764 struct ice_pf *pf = vsi->back;1765 struct device *dev;1766 int ret = 0;1767 u32 i;1768 1769 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))1770 return -EINVAL;1771 1772 dev = ice_pf_to_dev(pf);1773 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);1774 1775 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);1776 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {1777 const struct ice_priv_flag *priv_flag;1778 1779 priv_flag = &ice_gstrings_priv_flags[i];1780 1781 if (flags & BIT(i))1782 set_bit(priv_flag->bitno, pf->flags);1783 else1784 clear_bit(priv_flag->bitno, pf->flags);1785 }1786 1787 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);1788 1789 /* Do not allow change to link-down-on-close when Total Port Shutdown1790 * is enabled.1791 */1792 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&1793 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {1794 dev_err(dev, "Setting link-down-on-close not supported on this port\n");1795 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);1796 ret = -EINVAL;1797 goto ethtool_exit;1798 }1799 1800 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {1801 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {1802 int status;1803 1804 /* Disable FW LLDP engine */1805 status = ice_cfg_lldp_mib_change(&pf->hw, false);1806 1807 /* If unregistering for LLDP events fails, this is1808 * not an error state, as there shouldn't be any1809 * events to respond to.1810 */1811 if (status)1812 dev_info(dev, "Failed to unreg for LLDP events\n");1813 1814 /* The AQ call to stop the FW LLDP agent will generate1815 * an error if the agent is already stopped.1816 */1817 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);1818 if (status)1819 dev_warn(dev, "Fail to stop LLDP agent\n");1820 /* Use case for having the FW LLDP agent stopped1821 * will likely not need DCB, so failure to init is1822 * not a concern of ethtool1823 */1824 status = ice_init_pf_dcb(pf, true);1825 if (status)1826 dev_warn(dev, "Fail to init DCB\n");1827 1828 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;1829 pf->dcbx_cap |= DCB_CAP_DCBX_HOST;1830 } else {1831 bool dcbx_agent_status;1832 int status;1833 1834 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) {1835 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags);1836 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n");1837 ret = -EOPNOTSUPP;1838 goto ethtool_exit;1839 }1840 1841 /* Remove rule to direct LLDP packets to default VSI.1842 * The FW LLDP engine will now be consuming them.1843 */1844 ice_cfg_sw_lldp(vsi, false, false);1845 1846 /* AQ command to start FW LLDP agent will return an1847 * error if the agent is already started1848 */1849 status = ice_aq_start_lldp(&pf->hw, true, NULL);1850 if (status)1851 dev_warn(dev, "Fail to start LLDP Agent\n");1852 1853 /* AQ command to start FW DCBX agent will fail if1854 * the agent is already started1855 */1856 status = ice_aq_start_stop_dcbx(&pf->hw, true,1857 &dcbx_agent_status,1858 NULL);1859 if (status)1860 dev_dbg(dev, "Failed to start FW DCBX\n");1861 1862 dev_info(dev, "FW DCBX agent is %s\n",1863 dcbx_agent_status ? "ACTIVE" : "DISABLED");1864 1865 /* Failure to configure MIB change or init DCB is not1866 * relevant to ethtool. Print notification that1867 * registration/init failed but do not return error1868 * state to ethtool1869 */1870 status = ice_init_pf_dcb(pf, true);1871 if (status)1872 dev_dbg(dev, "Fail to init DCB\n");1873 1874 /* Register for MIB change events */1875 status = ice_cfg_lldp_mib_change(&pf->hw, true);1876 if (status)1877 dev_dbg(dev, "Fail to enable MIB change events\n");1878 1879 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;1880 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;1881 1882 ice_nway_reset(netdev);1883 }1884 }1885 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {1886 /* down and up VSI so that changes of Rx cfg are reflected. */1887 ice_down_up(vsi);1888 }1889 /* don't allow modification of this flag when a single VF is in1890 * promiscuous mode because it's not supported1891 */1892 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&1893 ice_is_any_vf_in_unicast_promisc(pf)) {1894 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");1895 /* toggle bit back to previous state */1896 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);1897 ret = -EAGAIN;1898 }1899 1900 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) &&1901 ice_has_vfs(pf)) {1902 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n");1903 /* toggle bit back to previous state */1904 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags);1905 ret = -EOPNOTSUPP;1906 }1907ethtool_exit:1908 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);1909 return ret;1910}1911 1912static int ice_get_sset_count(struct net_device *netdev, int sset)1913{1914 switch (sset) {1915 case ETH_SS_STATS:1916 /* The number (and order) of strings reported *must* remain1917 * constant for a given netdevice. This function must not1918 * report a different number based on run time parameters1919 * (such as the number of queues in use, or the setting of1920 * a private ethtool flag). This is due to the nature of the1921 * ethtool stats API.1922 *1923 * Userspace programs such as ethtool must make 3 separate1924 * ioctl requests, one for size, one for the strings, and1925 * finally one for the stats. Since these cross into1926 * userspace, changes to the number or size could result in1927 * undefined memory access or incorrect string<->value1928 * correlations for statistics.1929 *1930 * Even if it appears to be safe, changes to the size or1931 * order of strings will suffer from race conditions and are1932 * not safe.1933 */1934 return ICE_ALL_STATS_LEN(netdev);1935 case ETH_SS_TEST:1936 return ICE_TEST_LEN;1937 case ETH_SS_PRIV_FLAGS:1938 return ICE_PRIV_FLAG_ARRAY_SIZE;1939 default:1940 return -EOPNOTSUPP;1941 }1942}1943 1944static void1945__ice_get_ethtool_stats(struct net_device *netdev,1946 struct ethtool_stats __always_unused *stats, u64 *data,1947 struct ice_vsi *vsi)1948{1949 struct ice_pf *pf = vsi->back;1950 struct ice_tx_ring *tx_ring;1951 struct ice_rx_ring *rx_ring;1952 unsigned int j;1953 int i = 0;1954 char *p;1955 1956 ice_update_pf_stats(pf);1957 ice_update_vsi_stats(vsi);1958 1959 for (j = 0; j < ICE_VSI_STATS_LEN; j++) {1960 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;1961 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==1962 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;1963 }1964 1965 if (ice_is_port_repr_netdev(netdev))1966 return;1967 1968 /* populate per queue stats */1969 rcu_read_lock();1970 1971 ice_for_each_alloc_txq(vsi, j) {1972 tx_ring = READ_ONCE(vsi->tx_rings[j]);1973 if (tx_ring && tx_ring->ring_stats) {1974 data[i++] = tx_ring->ring_stats->stats.pkts;1975 data[i++] = tx_ring->ring_stats->stats.bytes;1976 } else {1977 data[i++] = 0;1978 data[i++] = 0;1979 }1980 }1981 1982 ice_for_each_alloc_rxq(vsi, j) {1983 rx_ring = READ_ONCE(vsi->rx_rings[j]);1984 if (rx_ring && rx_ring->ring_stats) {1985 data[i++] = rx_ring->ring_stats->stats.pkts;1986 data[i++] = rx_ring->ring_stats->stats.bytes;1987 } else {1988 data[i++] = 0;1989 data[i++] = 0;1990 }1991 }1992 1993 rcu_read_unlock();1994 1995 if (vsi->type != ICE_VSI_PF)1996 return;1997 1998 for (j = 0; j < ICE_PF_STATS_LEN; j++) {1999 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;2000 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==2001 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;2002 }2003 2004 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {2005 data[i++] = pf->stats.priority_xon_tx[j];2006 data[i++] = pf->stats.priority_xoff_tx[j];2007 }2008 2009 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {2010 data[i++] = pf->stats.priority_xon_rx[j];2011 data[i++] = pf->stats.priority_xoff_rx[j];2012 }2013}2014 2015static void2016ice_get_ethtool_stats(struct net_device *netdev,2017 struct ethtool_stats __always_unused *stats, u64 *data)2018{2019 struct ice_netdev_priv *np = netdev_priv(netdev);2020 2021 __ice_get_ethtool_stats(netdev, stats, data, np->vsi);2022}2023 2024#define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \2025 ICE_PHY_TYPE_LOW_100M_SGMII)2026 2027#define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \2028 ICE_PHY_TYPE_LOW_1000BASE_T | \2029 ICE_PHY_TYPE_LOW_1000BASE_SX | \2030 ICE_PHY_TYPE_LOW_1000BASE_LX | \2031 ICE_PHY_TYPE_LOW_1000BASE_KX | \2032 ICE_PHY_TYPE_LOW_1G_SGMII | \2033 ICE_PHY_TYPE_LOW_2500BASE_T | \2034 ICE_PHY_TYPE_LOW_2500BASE_X | \2035 ICE_PHY_TYPE_LOW_2500BASE_KX | \2036 ICE_PHY_TYPE_LOW_5GBASE_T | \2037 ICE_PHY_TYPE_LOW_5GBASE_KR | \2038 ICE_PHY_TYPE_LOW_10GBASE_T | \2039 ICE_PHY_TYPE_LOW_10G_SFI_DA | \2040 ICE_PHY_TYPE_LOW_10GBASE_SR | \2041 ICE_PHY_TYPE_LOW_10GBASE_LR | \2042 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \2043 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \2044 ICE_PHY_TYPE_LOW_10G_SFI_C2C)2045 2046#define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \2047 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \2048 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \2049 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \2050 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \2051 ICE_PHY_TYPE_LOW_100G_CAUI4 | \2052 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \2053 ICE_PHY_TYPE_LOW_100G_AUI4 | \2054 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \2055 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \2056 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \2057 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \2058 ICE_PHY_TYPE_LOW_100GBASE_DR)2059 2060#define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \2061 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\2062 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \2063 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \2064 ICE_PHY_TYPE_HIGH_100G_AUI2)2065 2066#define ICE_PHY_TYPE_HIGH_MASK_200G (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \2067 ICE_PHY_TYPE_HIGH_200G_SR4 | \2068 ICE_PHY_TYPE_HIGH_200G_FR4 | \2069 ICE_PHY_TYPE_HIGH_200G_LR4 | \2070 ICE_PHY_TYPE_HIGH_200G_DR4 | \2071 ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \2072 ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \2073 ICE_PHY_TYPE_HIGH_200G_AUI4)2074 2075/**2076 * ice_mask_min_supported_speeds2077 * @hw: pointer to the HW structure2078 * @phy_types_high: PHY type high2079 * @phy_types_low: PHY type low to apply minimum supported speeds mask2080 *2081 * Apply minimum supported speeds mask to PHY type low. These are the speeds2082 * for ethtool supported link mode.2083 */2084static void2085ice_mask_min_supported_speeds(struct ice_hw *hw,2086 u64 phy_types_high, u64 *phy_types_low)2087{2088 /* if QSFP connection with 100G speed, minimum supported speed is 25G */2089 if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) ||2090 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) ||2091 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G))2092 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;2093 else if (!ice_is_100m_speed_supported(hw))2094 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;2095}2096 2097/**2098 * ice_linkmode_set_bit - set link mode bit2099 * @phy_to_ethtool: PHY type to ethtool link mode struct to set2100 * @ks: ethtool link ksettings struct to fill out2101 * @req_speeds: speed requested by user2102 * @advert_phy_type: advertised PHY type2103 * @phy_type: PHY type2104 */2105static void2106ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool,2107 struct ethtool_link_ksettings *ks, u32 req_speeds,2108 u64 advert_phy_type, u32 phy_type)2109{2110 linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported);2111 2112 if (req_speeds & phy_to_ethtool->aq_link_speed ||2113 (!req_speeds && advert_phy_type & BIT(phy_type)))2114 linkmode_set_bit(phy_to_ethtool->link_mode,2115 ks->link_modes.advertising);2116}2117 2118/**2119 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes2120 * @netdev: network interface device structure2121 * @ks: ethtool link ksettings struct to fill out2122 */2123static void2124ice_phy_type_to_ethtool(struct net_device *netdev,2125 struct ethtool_link_ksettings *ks)2126{2127 struct ice_netdev_priv *np = netdev_priv(netdev);2128 struct ice_vsi *vsi = np->vsi;2129 struct ice_pf *pf = vsi->back;2130 u64 advert_phy_type_lo = 0;2131 u64 advert_phy_type_hi = 0;2132 u64 phy_types_high = 0;2133 u64 phy_types_low = 0;2134 u32 req_speeds;2135 u32 i;2136 2137 req_speeds = vsi->port_info->phy.link_info.req_speeds;2138 2139 /* Check if lenient mode is supported and enabled, or in strict mode.2140 *2141 * In lenient mode the Supported link modes are the PHY types without2142 * media. The Advertising link mode is either 1. the user requested2143 * speed, 2. the override PHY mask, or 3. the PHY types with media.2144 *2145 * In strict mode Supported link mode are the PHY type with media,2146 * and Advertising link modes are the media PHY type or the speed2147 * requested by user.2148 */2149 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {2150 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);2151 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);2152 2153 ice_mask_min_supported_speeds(&pf->hw, phy_types_high,2154 &phy_types_low);2155 /* determine advertised modes based on link override only2156 * if it's supported and if the FW doesn't abstract the2157 * driver from having to account for link overrides2158 */2159 if (ice_fw_supports_link_override(&pf->hw) &&2160 !ice_fw_supports_report_dflt_cfg(&pf->hw)) {2161 struct ice_link_default_override_tlv *ldo;2162 2163 ldo = &pf->link_dflt_override;2164 /* If override enabled and PHY mask set, then2165 * Advertising link mode is the intersection of the PHY2166 * types without media and the override PHY mask.2167 */2168 if (ldo->options & ICE_LINK_OVERRIDE_EN &&2169 (ldo->phy_type_low || ldo->phy_type_high)) {2170 advert_phy_type_lo =2171 le64_to_cpu(pf->nvm_phy_type_lo) &2172 ldo->phy_type_low;2173 advert_phy_type_hi =2174 le64_to_cpu(pf->nvm_phy_type_hi) &2175 ldo->phy_type_high;2176 }2177 }2178 } else {2179 /* strict mode */2180 phy_types_low = vsi->port_info->phy.phy_type_low;2181 phy_types_high = vsi->port_info->phy.phy_type_high;2182 }2183 2184 /* If Advertising link mode PHY type is not using override PHY type,2185 * then use PHY type with media.2186 */2187 if (!advert_phy_type_lo && !advert_phy_type_hi) {2188 advert_phy_type_lo = vsi->port_info->phy.phy_type_low;2189 advert_phy_type_hi = vsi->port_info->phy.phy_type_high;2190 }2191 2192 linkmode_zero(ks->link_modes.supported);2193 linkmode_zero(ks->link_modes.advertising);2194 2195 for (i = 0; i < ARRAY_SIZE(phy_type_low_lkup); i++) {2196 if (phy_types_low & BIT_ULL(i))2197 ice_linkmode_set_bit(&phy_type_low_lkup[i], ks,2198 req_speeds, advert_phy_type_lo,2199 i);2200 }2201 2202 for (i = 0; i < ARRAY_SIZE(phy_type_high_lkup); i++) {2203 if (phy_types_high & BIT_ULL(i))2204 ice_linkmode_set_bit(&phy_type_high_lkup[i], ks,2205 req_speeds, advert_phy_type_hi,2206 i);2207 }2208}2209 2210#define TEST_SET_BITS_TIMEOUT 502211#define TEST_SET_BITS_SLEEP_MAX 20002212#define TEST_SET_BITS_SLEEP_MIN 10002213 2214/**2215 * ice_get_settings_link_up - Get Link settings for when link is up2216 * @ks: ethtool ksettings to fill in2217 * @netdev: network interface device structure2218 */2219static void2220ice_get_settings_link_up(struct ethtool_link_ksettings *ks,2221 struct net_device *netdev)2222{2223 struct ice_netdev_priv *np = netdev_priv(netdev);2224 struct ice_port_info *pi = np->vsi->port_info;2225 struct ice_link_status *link_info;2226 struct ice_vsi *vsi = np->vsi;2227 2228 link_info = &vsi->port_info->phy.link_info;2229 2230 /* Get supported and advertised settings from PHY ability with media */2231 ice_phy_type_to_ethtool(netdev, ks);2232 2233 switch (link_info->link_speed) {2234 case ICE_AQ_LINK_SPEED_200GB:2235 ks->base.speed = SPEED_200000;2236 break;2237 case ICE_AQ_LINK_SPEED_100GB:2238 ks->base.speed = SPEED_100000;2239 break;2240 case ICE_AQ_LINK_SPEED_50GB:2241 ks->base.speed = SPEED_50000;2242 break;2243 case ICE_AQ_LINK_SPEED_40GB:2244 ks->base.speed = SPEED_40000;2245 break;2246 case ICE_AQ_LINK_SPEED_25GB:2247 ks->base.speed = SPEED_25000;2248 break;2249 case ICE_AQ_LINK_SPEED_20GB:2250 ks->base.speed = SPEED_20000;2251 break;2252 case ICE_AQ_LINK_SPEED_10GB:2253 ks->base.speed = SPEED_10000;2254 break;2255 case ICE_AQ_LINK_SPEED_5GB:2256 ks->base.speed = SPEED_5000;2257 break;2258 case ICE_AQ_LINK_SPEED_2500MB:2259 ks->base.speed = SPEED_2500;2260 break;2261 case ICE_AQ_LINK_SPEED_1000MB:2262 ks->base.speed = SPEED_1000;2263 break;2264 case ICE_AQ_LINK_SPEED_100MB:2265 ks->base.speed = SPEED_100;2266 break;2267 default:2268 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",2269 link_info->link_speed);2270 break;2271 }2272 ks->base.duplex = DUPLEX_FULL;2273 2274 if (link_info->an_info & ICE_AQ_AN_COMPLETED)2275 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,2276 Autoneg);2277 2278 /* Set flow control negotiated Rx/Tx pause */2279 switch (pi->fc.current_mode) {2280 case ICE_FC_FULL:2281 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);2282 break;2283 case ICE_FC_TX_PAUSE:2284 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);2285 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,2286 Asym_Pause);2287 break;2288 case ICE_FC_RX_PAUSE:2289 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,2290 Asym_Pause);2291 break;2292 case ICE_FC_PFC:2293 default:2294 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);2295 ethtool_link_ksettings_del_link_mode(ks, lp_advertising,2296 Asym_Pause);2297 break;2298 }2299}2300 2301/**2302 * ice_get_settings_link_down - Get the Link settings when link is down2303 * @ks: ethtool ksettings to fill in2304 * @netdev: network interface device structure2305 *2306 * Reports link settings that can be determined when link is down2307 */2308static void2309ice_get_settings_link_down(struct ethtool_link_ksettings *ks,2310 struct net_device *netdev)2311{2312 /* link is down and the driver needs to fall back on2313 * supported PHY types to figure out what info to display2314 */2315 ice_phy_type_to_ethtool(netdev, ks);2316 2317 /* With no link, speed and duplex are unknown */2318 ks->base.speed = SPEED_UNKNOWN;2319 ks->base.duplex = DUPLEX_UNKNOWN;2320}2321 2322/**2323 * ice_get_link_ksettings - Get Link Speed and Duplex settings2324 * @netdev: network interface device structure2325 * @ks: ethtool ksettings2326 *2327 * Reports speed/duplex settings based on media_type2328 */2329static int2330ice_get_link_ksettings(struct net_device *netdev,2331 struct ethtool_link_ksettings *ks)2332{2333 struct ice_netdev_priv *np = netdev_priv(netdev);2334 struct ice_aqc_get_phy_caps_data *caps;2335 struct ice_link_status *hw_link_info;2336 struct ice_vsi *vsi = np->vsi;2337 int err;2338 2339 ethtool_link_ksettings_zero_link_mode(ks, supported);2340 ethtool_link_ksettings_zero_link_mode(ks, advertising);2341 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);2342 hw_link_info = &vsi->port_info->phy.link_info;2343 2344 /* set speed and duplex */2345 if (hw_link_info->link_info & ICE_AQ_LINK_UP)2346 ice_get_settings_link_up(ks, netdev);2347 else2348 ice_get_settings_link_down(ks, netdev);2349 2350 /* set autoneg settings */2351 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?2352 AUTONEG_ENABLE : AUTONEG_DISABLE;2353 2354 /* set media type settings */2355 switch (vsi->port_info->phy.media_type) {2356 case ICE_MEDIA_FIBER:2357 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);2358 ks->base.port = PORT_FIBRE;2359 break;2360 case ICE_MEDIA_BASET:2361 ethtool_link_ksettings_add_link_mode(ks, supported, TP);2362 ethtool_link_ksettings_add_link_mode(ks, advertising, TP);2363 ks->base.port = PORT_TP;2364 break;2365 case ICE_MEDIA_BACKPLANE:2366 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);2367 ethtool_link_ksettings_add_link_mode(ks, advertising,2368 Backplane);2369 ks->base.port = PORT_NONE;2370 break;2371 case ICE_MEDIA_DA:2372 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);2373 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);2374 ks->base.port = PORT_DA;2375 break;2376 default:2377 ks->base.port = PORT_OTHER;2378 break;2379 }2380 2381 /* flow control is symmetric and always supported */2382 ethtool_link_ksettings_add_link_mode(ks, supported, Pause);2383 2384 caps = kzalloc(sizeof(*caps), GFP_KERNEL);2385 if (!caps)2386 return -ENOMEM;2387 2388 err = ice_aq_get_phy_caps(vsi->port_info, false,2389 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);2390 if (err)2391 goto done;2392 2393 /* Set the advertised flow control based on the PHY capability */2394 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&2395 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {2396 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);2397 ethtool_link_ksettings_add_link_mode(ks, advertising,2398 Asym_Pause);2399 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {2400 ethtool_link_ksettings_add_link_mode(ks, advertising,2401 Asym_Pause);2402 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {2403 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);2404 ethtool_link_ksettings_add_link_mode(ks, advertising,2405 Asym_Pause);2406 } else {2407 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);2408 ethtool_link_ksettings_del_link_mode(ks, advertising,2409 Asym_Pause);2410 }2411 2412 /* Set advertised FEC modes based on PHY capability */2413 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);2414 2415 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||2416 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)2417 ethtool_link_ksettings_add_link_mode(ks, advertising,2418 FEC_BASER);2419 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||2420 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)2421 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);2422 2423 err = ice_aq_get_phy_caps(vsi->port_info, false,2424 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL);2425 if (err)2426 goto done;2427 2428 /* Set supported FEC modes based on PHY capability */2429 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);2430 2431 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||2432 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)2433 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);2434 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)2435 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);2436 2437 /* Set supported and advertised autoneg */2438 if (ice_is_phy_caps_an_enabled(caps)) {2439 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);2440 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);2441 }2442 2443done:2444 kfree(caps);2445 return err;2446}2447 2448/**2449 * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed2450 * @speed: ethtool forced speed2451 */2452static u16 ice_speed_to_aq_link(int speed)2453{2454 int aq_speed;2455 2456 switch (speed) {2457 case SPEED_10:2458 aq_speed = ICE_AQ_LINK_SPEED_10MB;2459 break;2460 case SPEED_100:2461 aq_speed = ICE_AQ_LINK_SPEED_100MB;2462 break;2463 case SPEED_1000:2464 aq_speed = ICE_AQ_LINK_SPEED_1000MB;2465 break;2466 case SPEED_2500:2467 aq_speed = ICE_AQ_LINK_SPEED_2500MB;2468 break;2469 case SPEED_5000:2470 aq_speed = ICE_AQ_LINK_SPEED_5GB;2471 break;2472 case SPEED_10000:2473 aq_speed = ICE_AQ_LINK_SPEED_10GB;2474 break;2475 case SPEED_20000:2476 aq_speed = ICE_AQ_LINK_SPEED_20GB;2477 break;2478 case SPEED_25000:2479 aq_speed = ICE_AQ_LINK_SPEED_25GB;2480 break;2481 case SPEED_40000:2482 aq_speed = ICE_AQ_LINK_SPEED_40GB;2483 break;2484 case SPEED_50000:2485 aq_speed = ICE_AQ_LINK_SPEED_50GB;2486 break;2487 case SPEED_100000:2488 aq_speed = ICE_AQ_LINK_SPEED_100GB;2489 break;2490 default:2491 aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN;2492 break;2493 }2494 return aq_speed;2495}2496 2497/**2498 * ice_ksettings_find_adv_link_speed - Find advertising link speed2499 * @ks: ethtool ksettings2500 */2501static u162502ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)2503{2504 const struct ethtool_forced_speed_map *map;2505 u16 adv_link_speed = 0;2506 2507 for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) {2508 map = ice_adv_lnk_speed_maps + i;2509 if (linkmode_intersects(ks->link_modes.advertising, map->caps))2510 adv_link_speed |= ice_speed_to_aq_link(map->speed);2511 }2512 2513 return adv_link_speed;2514}2515 2516/**2517 * ice_setup_autoneg2518 * @p: port info2519 * @ks: ethtool_link_ksettings2520 * @config: configuration that will be sent down to FW2521 * @autoneg_enabled: autonegotiation is enabled or not2522 * @autoneg_changed: will there a change in autonegotiation2523 * @netdev: network interface device structure2524 *2525 * Setup PHY autonegotiation feature2526 */2527static int2528ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,2529 struct ice_aqc_set_phy_cfg_data *config,2530 u8 autoneg_enabled, u8 *autoneg_changed,2531 struct net_device *netdev)2532{2533 int err = 0;2534 2535 *autoneg_changed = 0;2536 2537 /* Check autoneg */2538 if (autoneg_enabled == AUTONEG_ENABLE) {2539 /* If autoneg was not already enabled */2540 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {2541 /* If autoneg is not supported, return error */2542 if (!ethtool_link_ksettings_test_link_mode(ks,2543 supported,2544 Autoneg)) {2545 netdev_info(netdev, "Autoneg not supported on this phy.\n");2546 err = -EINVAL;2547 } else {2548 /* Autoneg is allowed to change */2549 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;2550 *autoneg_changed = 1;2551 }2552 }2553 } else {2554 /* If autoneg is currently enabled */2555 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {2556 /* If autoneg is supported 10GBASE_T is the only PHY2557 * that can disable it, so otherwise return error2558 */2559 if (ethtool_link_ksettings_test_link_mode(ks,2560 supported,2561 Autoneg)) {2562 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");2563 err = -EINVAL;2564 } else {2565 /* Autoneg is allowed to change */2566 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;2567 *autoneg_changed = 1;2568 }2569 }2570 }2571 2572 return err;2573}2574 2575/**2576 * ice_set_phy_type_from_speed - set phy_types based on speeds2577 * and advertised modes2578 * @ks: ethtool link ksettings struct2579 * @phy_type_low: pointer to the lower part of phy_type2580 * @phy_type_high: pointer to the higher part of phy_type2581 * @adv_link_speed: targeted link speeds bitmap2582 */2583static void2584ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks,2585 u64 *phy_type_low, u64 *phy_type_high,2586 u16 adv_link_speed)2587{2588 /* Handle 1000M speed in a special way because ice_update_phy_type2589 * enables all link modes, but having mixed copper and optical2590 * standards is not supported.2591 */2592 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB;2593 2594 if (ethtool_link_ksettings_test_link_mode(ks, advertising,2595 1000baseT_Full))2596 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T |2597 ICE_PHY_TYPE_LOW_1G_SGMII;2598 2599 if (ethtool_link_ksettings_test_link_mode(ks, advertising,2600 1000baseKX_Full))2601 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX;2602 2603 if (ethtool_link_ksettings_test_link_mode(ks, advertising,2604 1000baseX_Full))2605 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX |2606 ICE_PHY_TYPE_LOW_1000BASE_LX;2607 2608 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed);2609}2610 2611/**2612 * ice_set_link_ksettings - Set Speed and Duplex2613 * @netdev: network interface device structure2614 * @ks: ethtool ksettings2615 *2616 * Set speed/duplex per media_types advertised/forced2617 */2618static int2619ice_set_link_ksettings(struct net_device *netdev,2620 const struct ethtool_link_ksettings *ks)2621{2622 struct ice_netdev_priv *np = netdev_priv(netdev);2623 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;2624 struct ethtool_link_ksettings copy_ks = *ks;2625 struct ethtool_link_ksettings safe_ks = {};2626 struct ice_aqc_get_phy_caps_data *phy_caps;2627 struct ice_aqc_set_phy_cfg_data config;2628 u16 adv_link_speed, curr_link_speed;2629 struct ice_pf *pf = np->vsi->back;2630 struct ice_port_info *pi;2631 u8 autoneg_changed = 0;2632 u64 phy_type_high = 0;2633 u64 phy_type_low = 0;2634 bool linkup;2635 int err;2636 2637 pi = np->vsi->port_info;2638 2639 if (!pi)2640 return -EIO;2641 2642 if (pi->phy.media_type != ICE_MEDIA_BASET &&2643 pi->phy.media_type != ICE_MEDIA_FIBER &&2644 pi->phy.media_type != ICE_MEDIA_BACKPLANE &&2645 pi->phy.media_type != ICE_MEDIA_DA &&2646 pi->phy.link_info.link_info & ICE_AQ_LINK_UP)2647 return -EOPNOTSUPP;2648 2649 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL);2650 if (!phy_caps)2651 return -ENOMEM;2652 2653 /* Get the PHY capabilities based on media */2654 if (ice_fw_supports_report_dflt_cfg(pi->hw))2655 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,2656 phy_caps, NULL);2657 else2658 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,2659 phy_caps, NULL);2660 if (err)2661 goto done;2662 2663 /* save autoneg out of ksettings */2664 autoneg = copy_ks.base.autoneg;2665 2666 /* Get link modes supported by hardware.*/2667 ice_phy_type_to_ethtool(netdev, &safe_ks);2668 2669 /* and check against modes requested by user.2670 * Return an error if unsupported mode was set.2671 */2672 if (!bitmap_subset(copy_ks.link_modes.advertising,2673 safe_ks.link_modes.supported,2674 __ETHTOOL_LINK_MODE_MASK_NBITS)) {2675 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))2676 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");2677 err = -EOPNOTSUPP;2678 goto done;2679 }2680 2681 /* get our own copy of the bits to check against */2682 memset(&safe_ks, 0, sizeof(safe_ks));2683 safe_ks.base.cmd = copy_ks.base.cmd;2684 safe_ks.base.link_mode_masks_nwords =2685 copy_ks.base.link_mode_masks_nwords;2686 ice_get_link_ksettings(netdev, &safe_ks);2687 2688 /* set autoneg back to what it currently is */2689 copy_ks.base.autoneg = safe_ks.base.autoneg;2690 /* we don't compare the speed */2691 copy_ks.base.speed = safe_ks.base.speed;2692 2693 /* If copy_ks.base and safe_ks.base are not the same now, then they are2694 * trying to set something that we do not support.2695 */2696 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) {2697 err = -EOPNOTSUPP;2698 goto done;2699 }2700 2701 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {2702 timeout--;2703 if (!timeout) {2704 err = -EBUSY;2705 goto done;2706 }2707 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);2708 }2709 2710 /* Copy the current user PHY configuration. The current user PHY2711 * configuration is initialized during probe from PHY capabilities2712 * software mode, and updated on set PHY configuration.2713 */2714 config = pi->phy.curr_user_phy_cfg;2715 2716 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;2717 2718 /* Check autoneg */2719 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed,2720 netdev);2721 2722 if (err)2723 goto done;2724 2725 /* Call to get the current link speed */2726 pi->phy.get_link_info = true;2727 err = ice_get_link_status(pi, &linkup);2728 if (err)2729 goto done;2730 2731 curr_link_speed = pi->phy.curr_user_speed_req;2732 adv_link_speed = ice_ksettings_find_adv_link_speed(ks);2733 2734 /* If speed didn't get set, set it to what it currently is.2735 * This is needed because if advertise is 0 (as it is when autoneg2736 * is disabled) then speed won't get set.2737 */2738 if (!adv_link_speed)2739 adv_link_speed = curr_link_speed;2740 2741 /* Convert the advertise link speeds to their corresponded PHY_TYPE */2742 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high,2743 adv_link_speed);2744 2745 if (!autoneg_changed && adv_link_speed == curr_link_speed) {2746 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");2747 goto done;2748 }2749 2750 /* save the requested speeds */2751 pi->phy.link_info.req_speeds = adv_link_speed;2752 2753 /* set link and auto negotiation so changes take effect */2754 config.caps |= ICE_AQ_PHY_ENA_LINK;2755 2756 /* check if there is a PHY type for the requested advertised speed */2757 if (!(phy_type_low || phy_type_high)) {2758 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");2759 err = -EOPNOTSUPP;2760 goto done;2761 }2762 2763 /* intersect requested advertised speed PHY types with media PHY types2764 * for set PHY configuration2765 */2766 config.phy_type_high = cpu_to_le64(phy_type_high) &2767 phy_caps->phy_type_high;2768 config.phy_type_low = cpu_to_le64(phy_type_low) &2769 phy_caps->phy_type_low;2770 2771 if (!(config.phy_type_high || config.phy_type_low)) {2772 /* If there is no intersection and lenient mode is enabled, then2773 * intersect the requested advertised speed with NVM media type2774 * PHY types.2775 */2776 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {2777 config.phy_type_high = cpu_to_le64(phy_type_high) &2778 pf->nvm_phy_type_hi;2779 config.phy_type_low = cpu_to_le64(phy_type_low) &2780 pf->nvm_phy_type_lo;2781 } else {2782 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");2783 err = -EOPNOTSUPP;2784 goto done;2785 }2786 }2787 2788 /* If link is up put link down */2789 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) {2790 /* Tell the OS link is going down, the link will go2791 * back up when fw says it is ready asynchronously2792 */2793 ice_print_link_msg(np->vsi, false);2794 netif_carrier_off(netdev);2795 netif_tx_stop_all_queues(netdev);2796 }2797 2798 /* make the aq call */2799 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL);2800 if (err) {2801 netdev_info(netdev, "Set phy config failed,\n");2802 goto done;2803 }2804 2805 /* Save speed request */2806 pi->phy.curr_user_speed_req = adv_link_speed;2807done:2808 kfree(phy_caps);2809 clear_bit(ICE_CFG_BUSY, pf->state);2810 2811 return err;2812}2813 2814/**2815 * ice_parse_hdrs - parses headers from RSS hash input2816 * @nfc: ethtool rxnfc command2817 *2818 * This function parses the rxnfc command and returns intended2819 * header types for RSS configuration2820 */2821static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)2822{2823 u32 hdrs = ICE_FLOW_SEG_HDR_NONE;2824 2825 switch (nfc->flow_type) {2826 case TCP_V4_FLOW:2827 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;2828 break;2829 case UDP_V4_FLOW:2830 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;2831 break;2832 case SCTP_V4_FLOW:2833 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;2834 break;2835 case GTPU_V4_FLOW:2836 hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV4;2837 break;2838 case GTPC_V4_FLOW:2839 hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV4;2840 break;2841 case GTPC_TEID_V4_FLOW:2842 hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV4;2843 break;2844 case GTPU_EH_V4_FLOW:2845 hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV4;2846 break;2847 case GTPU_UL_V4_FLOW:2848 hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV4;2849 break;2850 case GTPU_DL_V4_FLOW:2851 hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV4;2852 break;2853 case TCP_V6_FLOW:2854 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;2855 break;2856 case UDP_V6_FLOW:2857 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;2858 break;2859 case SCTP_V6_FLOW:2860 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;2861 break;2862 case GTPU_V6_FLOW:2863 hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV6;2864 break;2865 case GTPC_V6_FLOW:2866 hdrs |= ICE_FLOW_SEG_HDR_GTPC | ICE_FLOW_SEG_HDR_IPV6;2867 break;2868 case GTPC_TEID_V6_FLOW:2869 hdrs |= ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_IPV6;2870 break;2871 case GTPU_EH_V6_FLOW:2872 hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV6;2873 break;2874 case GTPU_UL_V6_FLOW:2875 hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP | ICE_FLOW_SEG_HDR_IPV6;2876 break;2877 case GTPU_DL_V6_FLOW:2878 hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN | ICE_FLOW_SEG_HDR_IPV6;2879 break;2880 default:2881 break;2882 }2883 return hdrs;2884}2885 2886/**2887 * ice_parse_hash_flds - parses hash fields from RSS hash input2888 * @nfc: ethtool rxnfc command2889 * @symm: true if Symmetric Topelitz is set2890 *2891 * This function parses the rxnfc command and returns intended2892 * hash fields for RSS configuration2893 */2894static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc, bool symm)2895{2896 u64 hfld = ICE_HASH_INVALID;2897 2898 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {2899 switch (nfc->flow_type) {2900 case TCP_V4_FLOW:2901 case UDP_V4_FLOW:2902 case SCTP_V4_FLOW:2903 case GTPU_V4_FLOW:2904 case GTPC_V4_FLOW:2905 case GTPC_TEID_V4_FLOW:2906 case GTPU_EH_V4_FLOW:2907 case GTPU_UL_V4_FLOW:2908 case GTPU_DL_V4_FLOW:2909 if (nfc->data & RXH_IP_SRC)2910 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;2911 if (nfc->data & RXH_IP_DST)2912 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;2913 break;2914 case TCP_V6_FLOW:2915 case UDP_V6_FLOW:2916 case SCTP_V6_FLOW:2917 case GTPU_V6_FLOW:2918 case GTPC_V6_FLOW:2919 case GTPC_TEID_V6_FLOW:2920 case GTPU_EH_V6_FLOW:2921 case GTPU_UL_V6_FLOW:2922 case GTPU_DL_V6_FLOW:2923 if (nfc->data & RXH_IP_SRC)2924 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;2925 if (nfc->data & RXH_IP_DST)2926 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;2927 break;2928 default:2929 break;2930 }2931 }2932 2933 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {2934 switch (nfc->flow_type) {2935 case TCP_V4_FLOW:2936 case TCP_V6_FLOW:2937 if (nfc->data & RXH_L4_B_0_1)2938 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;2939 if (nfc->data & RXH_L4_B_2_3)2940 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;2941 break;2942 case UDP_V4_FLOW:2943 case UDP_V6_FLOW:2944 if (nfc->data & RXH_L4_B_0_1)2945 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;2946 if (nfc->data & RXH_L4_B_2_3)2947 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;2948 break;2949 case SCTP_V4_FLOW:2950 case SCTP_V6_FLOW:2951 if (nfc->data & RXH_L4_B_0_1)2952 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;2953 if (nfc->data & RXH_L4_B_2_3)2954 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;2955 break;2956 default:2957 break;2958 }2959 }2960 2961 if (nfc->data & RXH_GTP_TEID) {2962 switch (nfc->flow_type) {2963 case GTPC_TEID_V4_FLOW:2964 case GTPC_TEID_V6_FLOW:2965 hfld |= ICE_FLOW_HASH_FLD_GTPC_TEID;2966 break;2967 case GTPU_V4_FLOW:2968 case GTPU_V6_FLOW:2969 hfld |= ICE_FLOW_HASH_FLD_GTPU_IP_TEID;2970 break;2971 case GTPU_EH_V4_FLOW:2972 case GTPU_EH_V6_FLOW:2973 hfld |= ICE_FLOW_HASH_FLD_GTPU_EH_TEID;2974 break;2975 case GTPU_UL_V4_FLOW:2976 case GTPU_UL_V6_FLOW:2977 hfld |= ICE_FLOW_HASH_FLD_GTPU_UP_TEID;2978 break;2979 case GTPU_DL_V4_FLOW:2980 case GTPU_DL_V6_FLOW:2981 hfld |= ICE_FLOW_HASH_FLD_GTPU_DWN_TEID;2982 break;2983 default:2984 break;2985 }2986 }2987 2988 return hfld;2989}2990 2991/**2992 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash2993 * @vsi: the VSI being configured2994 * @nfc: ethtool rxnfc command2995 *2996 * Returns Success if the flow input set is supported.2997 */2998static int2999ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)3000{3001 struct ice_pf *pf = vsi->back;3002 struct ice_rss_hash_cfg cfg;3003 struct device *dev;3004 u64 hashed_flds;3005 int status;3006 bool symm;3007 u32 hdrs;3008 3009 dev = ice_pf_to_dev(pf);3010 if (ice_is_safe_mode(pf)) {3011 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",3012 vsi->vsi_num);3013 return -EINVAL;3014 }3015 3016 symm = !!(vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ);3017 hashed_flds = ice_parse_hash_flds(nfc, symm);3018 if (hashed_flds == ICE_HASH_INVALID) {3019 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",3020 vsi->vsi_num);3021 return -EINVAL;3022 }3023 3024 hdrs = ice_parse_hdrs(nfc);3025 if (hdrs == ICE_FLOW_SEG_HDR_NONE) {3026 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",3027 vsi->vsi_num);3028 return -EINVAL;3029 }3030 3031 cfg.hash_flds = hashed_flds;3032 cfg.addl_hdrs = hdrs;3033 cfg.hdr_type = ICE_RSS_ANY_HEADERS;3034 cfg.symm = symm;3035 3036 status = ice_add_rss_cfg(&pf->hw, vsi, &cfg);3037 if (status) {3038 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",3039 vsi->vsi_num, status);3040 return status;3041 }3042 3043 return 0;3044}3045 3046/**3047 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type3048 * @vsi: the VSI being configured3049 * @nfc: ethtool rxnfc command3050 */3051static void3052ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)3053{3054 struct ice_pf *pf = vsi->back;3055 struct device *dev;3056 u64 hash_flds;3057 bool symm;3058 u32 hdrs;3059 3060 dev = ice_pf_to_dev(pf);3061 3062 nfc->data = 0;3063 if (ice_is_safe_mode(pf)) {3064 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",3065 vsi->vsi_num);3066 return;3067 }3068 3069 hdrs = ice_parse_hdrs(nfc);3070 if (hdrs == ICE_FLOW_SEG_HDR_NONE) {3071 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",3072 vsi->vsi_num);3073 return;3074 }3075 3076 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs, &symm);3077 if (hash_flds == ICE_HASH_INVALID) {3078 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",3079 vsi->vsi_num);3080 return;3081 }3082 3083 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||3084 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)3085 nfc->data |= (u64)RXH_IP_SRC;3086 3087 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||3088 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)3089 nfc->data |= (u64)RXH_IP_DST;3090 3091 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||3092 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||3093 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)3094 nfc->data |= (u64)RXH_L4_B_0_1;3095 3096 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||3097 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||3098 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)3099 nfc->data |= (u64)RXH_L4_B_2_3;3100 3101 if (hash_flds & ICE_FLOW_HASH_FLD_GTPC_TEID ||3102 hash_flds & ICE_FLOW_HASH_FLD_GTPU_IP_TEID ||3103 hash_flds & ICE_FLOW_HASH_FLD_GTPU_EH_TEID ||3104 hash_flds & ICE_FLOW_HASH_FLD_GTPU_UP_TEID ||3105 hash_flds & ICE_FLOW_HASH_FLD_GTPU_DWN_TEID)3106 nfc->data |= (u64)RXH_GTP_TEID;3107}3108 3109/**3110 * ice_set_rxnfc - command to set Rx flow rules.3111 * @netdev: network interface device structure3112 * @cmd: ethtool rxnfc command3113 *3114 * Returns 0 for success and negative values for errors3115 */3116static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)3117{3118 struct ice_netdev_priv *np = netdev_priv(netdev);3119 struct ice_vsi *vsi = np->vsi;3120 3121 switch (cmd->cmd) {3122 case ETHTOOL_SRXCLSRLINS:3123 return ice_add_fdir_ethtool(vsi, cmd);3124 case ETHTOOL_SRXCLSRLDEL:3125 return ice_del_fdir_ethtool(vsi, cmd);3126 case ETHTOOL_SRXFH:3127 return ice_set_rss_hash_opt(vsi, cmd);3128 default:3129 break;3130 }3131 return -EOPNOTSUPP;3132}3133 3134/**3135 * ice_get_rxnfc - command to get Rx flow classification rules3136 * @netdev: network interface device structure3137 * @cmd: ethtool rxnfc command3138 * @rule_locs: buffer to rturn Rx flow classification rules3139 *3140 * Returns Success if the command is supported.3141 */3142static int3143ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,3144 u32 __always_unused *rule_locs)3145{3146 struct ice_netdev_priv *np = netdev_priv(netdev);3147 struct ice_vsi *vsi = np->vsi;3148 int ret = -EOPNOTSUPP;3149 struct ice_hw *hw;3150 3151 hw = &vsi->back->hw;3152 3153 switch (cmd->cmd) {3154 case ETHTOOL_GRXRINGS:3155 cmd->data = vsi->rss_size;3156 ret = 0;3157 break;3158 case ETHTOOL_GRXCLSRLCNT:3159 cmd->rule_cnt = hw->fdir_active_fltr;3160 /* report total rule count */3161 cmd->data = ice_get_fdir_cnt_all(hw);3162 ret = 0;3163 break;3164 case ETHTOOL_GRXCLSRULE:3165 ret = ice_get_ethtool_fdir_entry(hw, cmd);3166 break;3167 case ETHTOOL_GRXCLSRLALL:3168 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);3169 break;3170 case ETHTOOL_GRXFH:3171 ice_get_rss_hash_opt(vsi, cmd);3172 ret = 0;3173 break;3174 default:3175 break;3176 }3177 3178 return ret;3179}3180 3181static void3182ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,3183 struct kernel_ethtool_ringparam *kernel_ring,3184 struct netlink_ext_ack *extack)3185{3186 struct ice_netdev_priv *np = netdev_priv(netdev);3187 struct ice_vsi *vsi = np->vsi;3188 3189 ring->rx_max_pending = ICE_MAX_NUM_DESC;3190 ring->tx_max_pending = ICE_MAX_NUM_DESC;3191 if (vsi->tx_rings && vsi->rx_rings) {3192 ring->rx_pending = vsi->rx_rings[0]->count;3193 ring->tx_pending = vsi->tx_rings[0]->count;3194 } else {3195 ring->rx_pending = 0;3196 ring->tx_pending = 0;3197 }3198 3199 /* Rx mini and jumbo rings are not supported */3200 ring->rx_mini_max_pending = 0;3201 ring->rx_jumbo_max_pending = 0;3202 ring->rx_mini_pending = 0;3203 ring->rx_jumbo_pending = 0;3204}3205 3206static int3207ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,3208 struct kernel_ethtool_ringparam *kernel_ring,3209 struct netlink_ext_ack *extack)3210{3211 struct ice_netdev_priv *np = netdev_priv(netdev);3212 struct ice_tx_ring *xdp_rings = NULL;3213 struct ice_tx_ring *tx_rings = NULL;3214 struct ice_rx_ring *rx_rings = NULL;3215 struct ice_vsi *vsi = np->vsi;3216 struct ice_pf *pf = vsi->back;3217 int i, timeout = 50, err = 0;3218 u16 new_rx_cnt, new_tx_cnt;3219 3220 if (ring->tx_pending > ICE_MAX_NUM_DESC ||3221 ring->tx_pending < ICE_MIN_NUM_DESC ||3222 ring->rx_pending > ICE_MAX_NUM_DESC ||3223 ring->rx_pending < ICE_MIN_NUM_DESC) {3224 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",3225 ring->tx_pending, ring->rx_pending,3226 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,3227 ICE_REQ_DESC_MULTIPLE);3228 return -EINVAL;3229 }3230 3231 /* Return if there is no rings (device is reloading) */3232 if (!vsi->tx_rings || !vsi->rx_rings)3233 return -EBUSY;3234 3235 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);3236 if (new_tx_cnt != ring->tx_pending)3237 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",3238 new_tx_cnt);3239 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);3240 if (new_rx_cnt != ring->rx_pending)3241 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",3242 new_rx_cnt);3243 3244 /* if nothing to do return success */3245 if (new_tx_cnt == vsi->tx_rings[0]->count &&3246 new_rx_cnt == vsi->rx_rings[0]->count) {3247 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");3248 return 0;3249 }3250 3251 /* If there is a AF_XDP UMEM attached to any of Rx rings,3252 * disallow changing the number of descriptors -- regardless3253 * if the netdev is running or not.3254 */3255 if (ice_xsk_any_rx_ring_ena(vsi))3256 return -EBUSY;3257 3258 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {3259 timeout--;3260 if (!timeout)3261 return -EBUSY;3262 usleep_range(1000, 2000);3263 }3264 3265 /* set for the next time the netdev is started */3266 if (!netif_running(vsi->netdev)) {3267 ice_for_each_alloc_txq(vsi, i)3268 vsi->tx_rings[i]->count = new_tx_cnt;3269 ice_for_each_alloc_rxq(vsi, i)3270 vsi->rx_rings[i]->count = new_rx_cnt;3271 if (ice_is_xdp_ena_vsi(vsi))3272 ice_for_each_xdp_txq(vsi, i)3273 vsi->xdp_rings[i]->count = new_tx_cnt;3274 vsi->num_tx_desc = (u16)new_tx_cnt;3275 vsi->num_rx_desc = (u16)new_rx_cnt;3276 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");3277 goto done;3278 }3279 3280 if (new_tx_cnt == vsi->tx_rings[0]->count)3281 goto process_rx;3282 3283 /* alloc updated Tx resources */3284 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",3285 vsi->tx_rings[0]->count, new_tx_cnt);3286 3287 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);3288 if (!tx_rings) {3289 err = -ENOMEM;3290 goto done;3291 }3292 3293 ice_for_each_txq(vsi, i) {3294 /* clone ring and setup updated count */3295 tx_rings[i] = *vsi->tx_rings[i];3296 tx_rings[i].count = new_tx_cnt;3297 tx_rings[i].desc = NULL;3298 tx_rings[i].tx_buf = NULL;3299 tx_rings[i].tx_tstamps = &pf->ptp.port.tx;3300 err = ice_setup_tx_ring(&tx_rings[i]);3301 if (err) {3302 while (i--)3303 ice_clean_tx_ring(&tx_rings[i]);3304 kfree(tx_rings);3305 goto done;3306 }3307 }3308 3309 if (!ice_is_xdp_ena_vsi(vsi))3310 goto process_rx;3311 3312 /* alloc updated XDP resources */3313 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",3314 vsi->xdp_rings[0]->count, new_tx_cnt);3315 3316 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);3317 if (!xdp_rings) {3318 err = -ENOMEM;3319 goto free_tx;3320 }3321 3322 ice_for_each_xdp_txq(vsi, i) {3323 /* clone ring and setup updated count */3324 xdp_rings[i] = *vsi->xdp_rings[i];3325 xdp_rings[i].count = new_tx_cnt;3326 xdp_rings[i].desc = NULL;3327 xdp_rings[i].tx_buf = NULL;3328 err = ice_setup_tx_ring(&xdp_rings[i]);3329 if (err) {3330 while (i--)3331 ice_clean_tx_ring(&xdp_rings[i]);3332 kfree(xdp_rings);3333 goto free_tx;3334 }3335 ice_set_ring_xdp(&xdp_rings[i]);3336 }3337 3338process_rx:3339 if (new_rx_cnt == vsi->rx_rings[0]->count)3340 goto process_link;3341 3342 /* alloc updated Rx resources */3343 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",3344 vsi->rx_rings[0]->count, new_rx_cnt);3345 3346 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);3347 if (!rx_rings) {3348 err = -ENOMEM;3349 goto done;3350 }3351 3352 ice_for_each_rxq(vsi, i) {3353 /* clone ring and setup updated count */3354 rx_rings[i] = *vsi->rx_rings[i];3355 rx_rings[i].count = new_rx_cnt;3356 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time;3357 rx_rings[i].desc = NULL;3358 rx_rings[i].rx_buf = NULL;3359 /* this is to allow wr32 to have something to write to3360 * during early allocation of Rx buffers3361 */3362 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;3363 3364 err = ice_setup_rx_ring(&rx_rings[i]);3365 if (err)3366 goto rx_unwind;3367 3368 /* allocate Rx buffers */3369 err = ice_alloc_rx_bufs(&rx_rings[i],3370 ICE_RX_DESC_UNUSED(&rx_rings[i]));3371rx_unwind:3372 if (err) {3373 while (i) {3374 i--;3375 ice_free_rx_ring(&rx_rings[i]);3376 }3377 kfree(rx_rings);3378 err = -ENOMEM;3379 goto free_tx;3380 }3381 }3382 3383process_link:3384 /* Bring interface down, copy in the new ring info, then restore the3385 * interface. if VSI is up, bring it down and then back up3386 */3387 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {3388 ice_down(vsi);3389 3390 if (tx_rings) {3391 ice_for_each_txq(vsi, i) {3392 ice_free_tx_ring(vsi->tx_rings[i]);3393 *vsi->tx_rings[i] = tx_rings[i];3394 }3395 kfree(tx_rings);3396 }3397 3398 if (rx_rings) {3399 ice_for_each_rxq(vsi, i) {3400 ice_free_rx_ring(vsi->rx_rings[i]);3401 /* copy the real tail offset */3402 rx_rings[i].tail = vsi->rx_rings[i]->tail;3403 /* this is to fake out the allocation routine3404 * into thinking it has to realloc everything3405 * but the recycling logic will let us re-use3406 * the buffers allocated above3407 */3408 rx_rings[i].next_to_use = 0;3409 rx_rings[i].next_to_clean = 0;3410 rx_rings[i].next_to_alloc = 0;3411 *vsi->rx_rings[i] = rx_rings[i];3412 }3413 kfree(rx_rings);3414 }3415 3416 if (xdp_rings) {3417 ice_for_each_xdp_txq(vsi, i) {3418 ice_free_tx_ring(vsi->xdp_rings[i]);3419 *vsi->xdp_rings[i] = xdp_rings[i];3420 }3421 kfree(xdp_rings);3422 }3423 3424 vsi->num_tx_desc = new_tx_cnt;3425 vsi->num_rx_desc = new_rx_cnt;3426 ice_up(vsi);3427 }3428 goto done;3429 3430free_tx:3431 /* error cleanup if the Rx allocations failed after getting Tx */3432 if (tx_rings) {3433 ice_for_each_txq(vsi, i)3434 ice_free_tx_ring(&tx_rings[i]);3435 kfree(tx_rings);3436 }3437 3438done:3439 clear_bit(ICE_CFG_BUSY, pf->state);3440 return err;3441}3442 3443/**3444 * ice_get_pauseparam - Get Flow Control status3445 * @netdev: network interface device structure3446 * @pause: ethernet pause (flow control) parameters3447 *3448 * Get requested flow control status from PHY capability.3449 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which3450 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report3451 * the negotiated Rx/Tx pause via lp_advertising.3452 */3453static void3454ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)3455{3456 struct ice_netdev_priv *np = netdev_priv(netdev);3457 struct ice_port_info *pi = np->vsi->port_info;3458 struct ice_aqc_get_phy_caps_data *pcaps;3459 struct ice_dcbx_cfg *dcbx_cfg;3460 int status;3461 3462 /* Initialize pause params */3463 pause->rx_pause = 0;3464 pause->tx_pause = 0;3465 3466 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;3467 3468 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);3469 if (!pcaps)3470 return;3471 3472 /* Get current PHY config */3473 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,3474 NULL);3475 if (status)3476 goto out;3477 3478 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :3479 AUTONEG_DISABLE;3480 3481 if (dcbx_cfg->pfc.pfcena)3482 /* PFC enabled so report LFC as off */3483 goto out;3484 3485 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)3486 pause->tx_pause = 1;3487 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)3488 pause->rx_pause = 1;3489 3490out:3491 kfree(pcaps);3492}3493 3494/**3495 * ice_set_pauseparam - Set Flow Control parameter3496 * @netdev: network interface device structure3497 * @pause: return Tx/Rx flow control status3498 */3499static int3500ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)3501{3502 struct ice_netdev_priv *np = netdev_priv(netdev);3503 struct ice_aqc_get_phy_caps_data *pcaps;3504 struct ice_link_status *hw_link_info;3505 struct ice_pf *pf = np->vsi->back;3506 struct ice_dcbx_cfg *dcbx_cfg;3507 struct ice_vsi *vsi = np->vsi;3508 struct ice_hw *hw = &pf->hw;3509 struct ice_port_info *pi;3510 u8 aq_failures;3511 bool link_up;3512 u32 is_an;3513 int err;3514 3515 pi = vsi->port_info;3516 hw_link_info = &pi->phy.link_info;3517 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;3518 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;3519 3520 /* Changing the port's flow control is not supported if this isn't the3521 * PF VSI3522 */3523 if (vsi->type != ICE_VSI_PF) {3524 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");3525 return -EOPNOTSUPP;3526 }3527 3528 /* Get pause param reports configured and negotiated flow control pause3529 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is3530 * defined get pause param pause->autoneg reports SW configured setting,3531 * so compare pause->autoneg with SW configured to prevent the user from3532 * using set pause param to chance autoneg.3533 */3534 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);3535 if (!pcaps)3536 return -ENOMEM;3537 3538 /* Get current PHY config */3539 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,3540 NULL);3541 if (err) {3542 kfree(pcaps);3543 return err;3544 }3545 3546 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :3547 AUTONEG_DISABLE;3548 3549 kfree(pcaps);3550 3551 if (pause->autoneg != is_an) {3552 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");3553 return -EOPNOTSUPP;3554 }3555 3556 /* If we have link and don't have autoneg */3557 if (!test_bit(ICE_DOWN, pf->state) &&3558 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {3559 /* Send message that it might not necessarily work*/3560 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");3561 }3562 3563 if (dcbx_cfg->pfc.pfcena) {3564 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");3565 return -EOPNOTSUPP;3566 }3567 if (pause->rx_pause && pause->tx_pause)3568 pi->fc.req_mode = ICE_FC_FULL;3569 else if (pause->rx_pause && !pause->tx_pause)3570 pi->fc.req_mode = ICE_FC_RX_PAUSE;3571 else if (!pause->rx_pause && pause->tx_pause)3572 pi->fc.req_mode = ICE_FC_TX_PAUSE;3573 else if (!pause->rx_pause && !pause->tx_pause)3574 pi->fc.req_mode = ICE_FC_NONE;3575 else3576 return -EINVAL;3577 3578 /* Set the FC mode and only restart AN if link is up */3579 err = ice_set_fc(pi, &aq_failures, link_up);3580 3581 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {3582 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n",3583 err, ice_aq_str(hw->adminq.sq_last_status));3584 err = -EAGAIN;3585 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {3586 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n",3587 err, ice_aq_str(hw->adminq.sq_last_status));3588 err = -EAGAIN;3589 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {3590 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n",3591 err, ice_aq_str(hw->adminq.sq_last_status));3592 err = -EAGAIN;3593 }3594 3595 return err;3596}3597 3598/**3599 * ice_get_rxfh_key_size - get the RSS hash key size3600 * @netdev: network interface device structure3601 *3602 * Returns the table size.3603 */3604static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)3605{3606 return ICE_VSIQF_HKEY_ARRAY_SIZE;3607}3608 3609/**3610 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size3611 * @netdev: network interface device structure3612 *3613 * Returns the table size.3614 */3615static u32 ice_get_rxfh_indir_size(struct net_device *netdev)3616{3617 struct ice_netdev_priv *np = netdev_priv(netdev);3618 3619 return np->vsi->rss_table_size;3620}3621 3622/**3623 * ice_get_rxfh - get the Rx flow hash indirection table3624 * @netdev: network interface device structure3625 * @rxfh: pointer to param struct (indir, key, hfunc)3626 *3627 * Reads the indirection table directly from the hardware.3628 */3629static int3630ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh)3631{3632 struct ice_netdev_priv *np = netdev_priv(netdev);3633 u32 rss_context = rxfh->rss_context;3634 struct ice_vsi *vsi = np->vsi;3635 struct ice_pf *pf = vsi->back;3636 u16 qcount, offset;3637 int err, num_tc, i;3638 u8 *lut;3639 3640 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {3641 netdev_warn(netdev, "RSS is not supported on this VSI!\n");3642 return -EOPNOTSUPP;3643 }3644 3645 if (rss_context && !ice_is_adq_active(pf)) {3646 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n");3647 return -EINVAL;3648 }3649 3650 qcount = vsi->mqprio_qopt.qopt.count[rss_context];3651 offset = vsi->mqprio_qopt.qopt.offset[rss_context];3652 3653 if (rss_context && ice_is_adq_active(pf)) {3654 num_tc = vsi->mqprio_qopt.qopt.num_tc;3655 if (rss_context >= num_tc) {3656 netdev_err(netdev, "RSS context:%d > num_tc:%d\n",3657 rss_context, num_tc);3658 return -EINVAL;3659 }3660 /* Use channel VSI of given TC */3661 vsi = vsi->tc_map_vsi[rss_context];3662 }3663 3664 rxfh->hfunc = ETH_RSS_HASH_TOP;3665 if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ)3666 rxfh->input_xfrm |= RXH_XFRM_SYM_XOR;3667 3668 if (!rxfh->indir)3669 return 0;3670 3671 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);3672 if (!lut)3673 return -ENOMEM;3674 3675 err = ice_get_rss_key(vsi, rxfh->key);3676 if (err)3677 goto out;3678 3679 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size);3680 if (err)3681 goto out;3682 3683 if (ice_is_adq_active(pf)) {3684 for (i = 0; i < vsi->rss_table_size; i++)3685 rxfh->indir[i] = offset + lut[i] % qcount;3686 goto out;3687 }3688 3689 for (i = 0; i < vsi->rss_table_size; i++)3690 rxfh->indir[i] = lut[i];3691 3692out:3693 kfree(lut);3694 return err;3695}3696 3697/**3698 * ice_set_rxfh - set the Rx flow hash indirection table3699 * @netdev: network interface device structure3700 * @rxfh: pointer to param struct (indir, key, hfunc)3701 * @extack: extended ACK from the Netlink message3702 *3703 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise3704 * returns 0 after programming the table.3705 */3706static int3707ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh,3708 struct netlink_ext_ack *extack)3709{3710 struct ice_netdev_priv *np = netdev_priv(netdev);3711 u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ;3712 struct ice_vsi *vsi = np->vsi;3713 struct ice_pf *pf = vsi->back;3714 struct device *dev;3715 int err;3716 3717 dev = ice_pf_to_dev(pf);3718 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&3719 rxfh->hfunc != ETH_RSS_HASH_TOP)3720 return -EOPNOTSUPP;3721 3722 if (rxfh->rss_context)3723 return -EOPNOTSUPP;3724 3725 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {3726 /* RSS not supported return error here */3727 netdev_warn(netdev, "RSS is not configured on this VSI!\n");3728 return -EIO;3729 }3730 3731 if (ice_is_adq_active(pf)) {3732 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n");3733 return -EOPNOTSUPP;3734 }3735 3736 /* Update the VSI's hash function */3737 if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR)3738 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ;3739 3740 err = ice_set_rss_hfunc(vsi, hfunc);3741 if (err)3742 return err;3743 3744 if (rxfh->key) {3745 if (!vsi->rss_hkey_user) {3746 vsi->rss_hkey_user =3747 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,3748 GFP_KERNEL);3749 if (!vsi->rss_hkey_user)3750 return -ENOMEM;3751 }3752 memcpy(vsi->rss_hkey_user, rxfh->key,3753 ICE_VSIQF_HKEY_ARRAY_SIZE);3754 3755 err = ice_set_rss_key(vsi, vsi->rss_hkey_user);3756 if (err)3757 return err;3758 }3759 3760 if (!vsi->rss_lut_user) {3761 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,3762 GFP_KERNEL);3763 if (!vsi->rss_lut_user)3764 return -ENOMEM;3765 }3766 3767 /* Each 32 bits pointed by 'indir' is stored with a lut entry */3768 if (rxfh->indir) {3769 int i;3770 3771 for (i = 0; i < vsi->rss_table_size; i++)3772 vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]);3773 } else {3774 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,3775 vsi->rss_size);3776 }3777 3778 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size);3779 if (err)3780 return err;3781 3782 return 0;3783}3784 3785static int3786ice_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info)3787{3788 struct ice_pf *pf = ice_netdev_to_pf(dev);3789 3790 /* only report timestamping if PTP is enabled */3791 if (pf->ptp.state != ICE_PTP_READY)3792 return ethtool_op_get_ts_info(dev, info);3793 3794 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |3795 SOF_TIMESTAMPING_TX_HARDWARE |3796 SOF_TIMESTAMPING_RX_HARDWARE |3797 SOF_TIMESTAMPING_RAW_HARDWARE;3798 3799 info->phc_index = ice_ptp_clock_index(pf);3800 3801 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);3802 3803 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);3804 3805 return 0;3806}3807 3808/**3809 * ice_get_max_txq - return the maximum number of Tx queues for in a PF3810 * @pf: PF structure3811 */3812static int ice_get_max_txq(struct ice_pf *pf)3813{3814 return min3(pf->num_lan_msix, (u16)num_online_cpus(),3815 (u16)pf->hw.func_caps.common_cap.num_txq);3816}3817 3818/**3819 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF3820 * @pf: PF structure3821 */3822static int ice_get_max_rxq(struct ice_pf *pf)3823{3824 return min3(pf->num_lan_msix, (u16)num_online_cpus(),3825 (u16)pf->hw.func_caps.common_cap.num_rxq);3826}3827 3828/**3829 * ice_get_combined_cnt - return the current number of combined channels3830 * @vsi: PF VSI pointer3831 *3832 * Go through all queue vectors and count ones that have both Rx and Tx ring3833 * attached3834 */3835static u32 ice_get_combined_cnt(struct ice_vsi *vsi)3836{3837 u32 combined = 0;3838 int q_idx;3839 3840 ice_for_each_q_vector(vsi, q_idx) {3841 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];3842 3843 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring)3844 combined++;3845 }3846 3847 return combined;3848}3849 3850/**3851 * ice_get_channels - get the current and max supported channels3852 * @dev: network interface device structure3853 * @ch: ethtool channel data structure3854 */3855static void3856ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)3857{3858 struct ice_netdev_priv *np = netdev_priv(dev);3859 struct ice_vsi *vsi = np->vsi;3860 struct ice_pf *pf = vsi->back;3861 3862 /* report maximum channels */3863 ch->max_rx = ice_get_max_rxq(pf);3864 ch->max_tx = ice_get_max_txq(pf);3865 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);3866 3867 /* report current channels */3868 ch->combined_count = ice_get_combined_cnt(vsi);3869 ch->rx_count = vsi->num_rxq - ch->combined_count;3870 ch->tx_count = vsi->num_txq - ch->combined_count;3871 3872 /* report other queues */3873 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;3874 ch->max_other = ch->other_count;3875}3876 3877/**3878 * ice_get_valid_rss_size - return valid number of RSS queues3879 * @hw: pointer to the HW structure3880 * @new_size: requested RSS queues3881 */3882static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)3883{3884 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;3885 3886 return min_t(int, new_size, BIT(caps->rss_table_entry_width));3887}3888 3889/**3890 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size3891 * @vsi: VSI to reconfigure RSS LUT on3892 * @req_rss_size: requested range of queue numbers for hashing3893 *3894 * Set the VSI's RSS parameters, configure the RSS LUT based on these.3895 */3896static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)3897{3898 struct ice_pf *pf = vsi->back;3899 struct device *dev;3900 struct ice_hw *hw;3901 int err;3902 u8 *lut;3903 3904 dev = ice_pf_to_dev(pf);3905 hw = &pf->hw;3906 3907 if (!req_rss_size)3908 return -EINVAL;3909 3910 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);3911 if (!lut)3912 return -ENOMEM;3913 3914 /* set RSS LUT parameters */3915 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))3916 vsi->rss_size = 1;3917 else3918 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);3919 3920 /* create/set RSS LUT */3921 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);3922 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);3923 if (err)3924 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,3925 ice_aq_str(hw->adminq.sq_last_status));3926 3927 kfree(lut);3928 return err;3929}3930 3931/**3932 * ice_set_channels - set the number channels3933 * @dev: network interface device structure3934 * @ch: ethtool channel data structure3935 */3936static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)3937{3938 struct ice_netdev_priv *np = netdev_priv(dev);3939 struct ice_vsi *vsi = np->vsi;3940 struct ice_pf *pf = vsi->back;3941 int new_rx = 0, new_tx = 0;3942 bool locked = false;3943 int ret = 0;3944 3945 /* do not support changing channels in Safe Mode */3946 if (ice_is_safe_mode(pf)) {3947 netdev_err(dev, "Changing channel in Safe Mode is not supported\n");3948 return -EOPNOTSUPP;3949 }3950 /* do not support changing other_count */3951 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))3952 return -EINVAL;3953 3954 if (ice_is_adq_active(pf)) {3955 netdev_err(dev, "Cannot set channels with ADQ configured.\n");3956 return -EOPNOTSUPP;3957 }3958 3959 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {3960 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");3961 return -EOPNOTSUPP;3962 }3963 3964 if (ch->rx_count && ch->tx_count) {3965 netdev_err(dev, "Dedicated RX or TX channels cannot be used simultaneously\n");3966 return -EINVAL;3967 }3968 3969 new_rx = ch->combined_count + ch->rx_count;3970 new_tx = ch->combined_count + ch->tx_count;3971 3972 if (new_rx < vsi->tc_cfg.numtc) {3973 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",3974 vsi->tc_cfg.numtc);3975 return -EINVAL;3976 }3977 if (new_tx < vsi->tc_cfg.numtc) {3978 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",3979 vsi->tc_cfg.numtc);3980 return -EINVAL;3981 }3982 if (new_rx > ice_get_max_rxq(pf)) {3983 netdev_err(dev, "Maximum allowed Rx channels is %d\n",3984 ice_get_max_rxq(pf));3985 return -EINVAL;3986 }3987 if (new_tx > ice_get_max_txq(pf)) {3988 netdev_err(dev, "Maximum allowed Tx channels is %d\n",3989 ice_get_max_txq(pf));3990 return -EINVAL;3991 }3992 3993 if (pf->adev) {3994 mutex_lock(&pf->adev_mutex);3995 device_lock(&pf->adev->dev);3996 locked = true;3997 if (pf->adev->dev.driver) {3998 netdev_err(dev, "Cannot change channels when RDMA is active\n");3999 ret = -EBUSY;4000 goto adev_unlock;4001 }4002 }4003 4004 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);4005 4006 if (!netif_is_rxfh_configured(dev)) {4007 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx);4008 goto adev_unlock;4009 }4010 4011 /* Update rss_size due to change in Rx queues */4012 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);4013 4014adev_unlock:4015 if (locked) {4016 device_unlock(&pf->adev->dev);4017 mutex_unlock(&pf->adev_mutex);4018 }4019 return ret;4020}4021 4022/**4023 * ice_get_wol - get current Wake on LAN configuration4024 * @netdev: network interface device structure4025 * @wol: Ethtool structure to retrieve WoL settings4026 */4027static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)4028{4029 struct ice_netdev_priv *np = netdev_priv(netdev);4030 struct ice_pf *pf = np->vsi->back;4031 4032 if (np->vsi->type != ICE_VSI_PF)4033 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");4034 4035 /* Get WoL settings based on the HW capability */4036 if (ice_is_wol_supported(&pf->hw)) {4037 wol->supported = WAKE_MAGIC;4038 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;4039 } else {4040 wol->supported = 0;4041 wol->wolopts = 0;4042 }4043}4044 4045/**4046 * ice_set_wol - set Wake on LAN on supported device4047 * @netdev: network interface device structure4048 * @wol: Ethtool structure to set WoL4049 */4050static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)4051{4052 struct ice_netdev_priv *np = netdev_priv(netdev);4053 struct ice_vsi *vsi = np->vsi;4054 struct ice_pf *pf = vsi->back;4055 4056 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw))4057 return -EOPNOTSUPP;4058 4059 /* only magic packet is supported */4060 if (wol->wolopts && wol->wolopts != WAKE_MAGIC)4061 return -EOPNOTSUPP;4062 4063 /* Set WoL only if there is a new value */4064 if (pf->wol_ena != !!wol->wolopts) {4065 pf->wol_ena = !!wol->wolopts;4066 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);4067 netdev_dbg(netdev, "WoL magic packet %sabled\n",4068 pf->wol_ena ? "en" : "dis");4069 }4070 4071 return 0;4072}4073 4074/**4075 * ice_get_rc_coalesce - get ITR values for specific ring container4076 * @ec: ethtool structure to fill with driver's coalesce settings4077 * @rc: ring container that the ITR values will come from4078 *4079 * Query the device for ice_ring_container specific ITR values. This is4080 * done per ice_ring_container because each q_vector can have 1 or more rings4081 * and all of said ring(s) will have the same ITR values.4082 *4083 * Returns 0 on success, negative otherwise.4084 */4085static int4086ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc)4087{4088 if (!rc->rx_ring)4089 return -EINVAL;4090 4091 switch (rc->type) {4092 case ICE_RX_CONTAINER:4093 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);4094 ec->rx_coalesce_usecs = rc->itr_setting;4095 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl;4096 break;4097 case ICE_TX_CONTAINER:4098 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);4099 ec->tx_coalesce_usecs = rc->itr_setting;4100 break;4101 default:4102 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type);4103 return -EINVAL;4104 }4105 4106 return 0;4107}4108 4109/**4110 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings4111 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings4112 * @ec: coalesce settings to program the device with4113 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index4114 *4115 * Return 0 on success, and negative under the following conditions:4116 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.4117 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.4118 */4119static int4120ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)4121{4122 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {4123 if (ice_get_rc_coalesce(ec,4124 &vsi->rx_rings[q_num]->q_vector->rx))4125 return -EINVAL;4126 if (ice_get_rc_coalesce(ec,4127 &vsi->tx_rings[q_num]->q_vector->tx))4128 return -EINVAL;4129 } else if (q_num < vsi->num_rxq) {4130 if (ice_get_rc_coalesce(ec,4131 &vsi->rx_rings[q_num]->q_vector->rx))4132 return -EINVAL;4133 } else if (q_num < vsi->num_txq) {4134 if (ice_get_rc_coalesce(ec,4135 &vsi->tx_rings[q_num]->q_vector->tx))4136 return -EINVAL;4137 } else {4138 return -EINVAL;4139 }4140 4141 return 0;4142}4143 4144/**4145 * __ice_get_coalesce - get ITR/INTRL values for the device4146 * @netdev: pointer to the netdev associated with this query4147 * @ec: ethtool structure to fill with driver's coalesce settings4148 * @q_num: queue number to get the coalesce settings for4149 *4150 * If the caller passes in a negative q_num then we return coalesce settings4151 * based on queue number 0, else use the actual q_num passed in.4152 */4153static int4154__ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,4155 int q_num)4156{4157 struct ice_netdev_priv *np = netdev_priv(netdev);4158 struct ice_vsi *vsi = np->vsi;4159 4160 if (q_num < 0)4161 q_num = 0;4162 4163 if (ice_get_q_coalesce(vsi, ec, q_num))4164 return -EINVAL;4165 4166 return 0;4167}4168 4169static int ice_get_coalesce(struct net_device *netdev,4170 struct ethtool_coalesce *ec,4171 struct kernel_ethtool_coalesce *kernel_coal,4172 struct netlink_ext_ack *extack)4173{4174 return __ice_get_coalesce(netdev, ec, -1);4175}4176 4177static int4178ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,4179 struct ethtool_coalesce *ec)4180{4181 return __ice_get_coalesce(netdev, ec, q_num);4182}4183 4184/**4185 * ice_set_rc_coalesce - set ITR values for specific ring container4186 * @ec: ethtool structure from user to update ITR settings4187 * @rc: ring container that the ITR values will come from4188 * @vsi: VSI associated to the ring container4189 *4190 * Set specific ITR values. This is done per ice_ring_container because each4191 * q_vector can have 1 or more rings and all of said ring(s) will have the same4192 * ITR values.4193 *4194 * Returns 0 on success, negative otherwise.4195 */4196static int4197ice_set_rc_coalesce(struct ethtool_coalesce *ec,4198 struct ice_ring_container *rc, struct ice_vsi *vsi)4199{4200 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx";4201 u32 use_adaptive_coalesce, coalesce_usecs;4202 struct ice_pf *pf = vsi->back;4203 u16 itr_setting;4204 4205 if (!rc->rx_ring)4206 return -EINVAL;4207 4208 switch (rc->type) {4209 case ICE_RX_CONTAINER:4210 {4211 struct ice_q_vector *q_vector = rc->rx_ring->q_vector;4212 4213 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||4214 (ec->rx_coalesce_usecs_high &&4215 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {4216 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",4217 c_type_str, pf->hw.intrl_gran,4218 ICE_MAX_INTRL);4219 return -EINVAL;4220 }4221 if (ec->rx_coalesce_usecs_high != q_vector->intrl &&4222 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {4223 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",4224 c_type_str);4225 return -EINVAL;4226 }4227 if (ec->rx_coalesce_usecs_high != q_vector->intrl)4228 q_vector->intrl = ec->rx_coalesce_usecs_high;4229 4230 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;4231 coalesce_usecs = ec->rx_coalesce_usecs;4232 4233 break;4234 }4235 case ICE_TX_CONTAINER:4236 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;4237 coalesce_usecs = ec->tx_coalesce_usecs;4238 4239 break;4240 default:4241 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",4242 rc->type);4243 return -EINVAL;4244 }4245 4246 itr_setting = rc->itr_setting;4247 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {4248 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",4249 c_type_str, c_type_str);4250 return -EINVAL;4251 }4252 4253 if (coalesce_usecs > ICE_ITR_MAX) {4254 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",4255 c_type_str, ICE_ITR_MAX);4256 return -EINVAL;4257 }4258 4259 if (use_adaptive_coalesce) {4260 rc->itr_mode = ITR_DYNAMIC;4261 } else {4262 rc->itr_mode = ITR_STATIC;4263 /* store user facing value how it was set */4264 rc->itr_setting = coalesce_usecs;4265 /* write the change to the register */4266 ice_write_itr(rc, coalesce_usecs);4267 /* force writes to take effect immediately, the flush shouldn't4268 * be done in the functions above because the intent is for4269 * them to do lazy writes.4270 */4271 ice_flush(&pf->hw);4272 }4273 4274 return 0;4275}4276 4277/**4278 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings4279 * @vsi: VSI associated to the queue that need updating4280 * @ec: coalesce settings to program the device with4281 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index4282 *4283 * Return 0 on success, and negative under the following conditions:4284 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.4285 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.4286 */4287static int4288ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)4289{4290 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {4291 if (ice_set_rc_coalesce(ec,4292 &vsi->rx_rings[q_num]->q_vector->rx,4293 vsi))4294 return -EINVAL;4295 4296 if (ice_set_rc_coalesce(ec,4297 &vsi->tx_rings[q_num]->q_vector->tx,4298 vsi))4299 return -EINVAL;4300 } else if (q_num < vsi->num_rxq) {4301 if (ice_set_rc_coalesce(ec,4302 &vsi->rx_rings[q_num]->q_vector->rx,4303 vsi))4304 return -EINVAL;4305 } else if (q_num < vsi->num_txq) {4306 if (ice_set_rc_coalesce(ec,4307 &vsi->tx_rings[q_num]->q_vector->tx,4308 vsi))4309 return -EINVAL;4310 } else {4311 return -EINVAL;4312 }4313 4314 return 0;4315}4316 4317/**4318 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs4319 * @netdev: netdev used for print4320 * @itr_setting: previous user setting4321 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled4322 * @coalesce_usecs: requested value of [tx|rx]-usecs4323 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs4324 */4325static void4326ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,4327 u32 use_adaptive_coalesce, u32 coalesce_usecs,4328 const char *c_type_str)4329{4330 if (use_adaptive_coalesce)4331 return;4332 4333 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))4334 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",4335 c_type_str, coalesce_usecs, c_type_str,4336 ITR_REG_ALIGN(coalesce_usecs));4337}4338 4339/**4340 * __ice_set_coalesce - set ITR/INTRL values for the device4341 * @netdev: pointer to the netdev associated with this query4342 * @ec: ethtool structure to fill with driver's coalesce settings4343 * @q_num: queue number to get the coalesce settings for4344 *4345 * If the caller passes in a negative q_num then we set the coalesce settings4346 * for all Tx/Rx queues, else use the actual q_num passed in.4347 */4348static int4349__ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,4350 int q_num)4351{4352 struct ice_netdev_priv *np = netdev_priv(netdev);4353 struct ice_vsi *vsi = np->vsi;4354 4355 if (q_num < 0) {4356 struct ice_q_vector *q_vector = vsi->q_vectors[0];4357 int v_idx;4358 4359 if (q_vector) {4360 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,4361 ec->use_adaptive_rx_coalesce,4362 ec->rx_coalesce_usecs, "rx");4363 4364 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,4365 ec->use_adaptive_tx_coalesce,4366 ec->tx_coalesce_usecs, "tx");4367 }4368 4369 ice_for_each_q_vector(vsi, v_idx) {4370 /* In some cases if DCB is configured the num_[rx|tx]q4371 * can be less than vsi->num_q_vectors. This check4372 * accounts for that so we don't report a false failure4373 */4374 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)4375 goto set_complete;4376 4377 if (ice_set_q_coalesce(vsi, ec, v_idx))4378 return -EINVAL;4379 4380 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]);4381 }4382 goto set_complete;4383 }4384 4385 if (ice_set_q_coalesce(vsi, ec, q_num))4386 return -EINVAL;4387 4388 ice_set_q_vector_intrl(vsi->q_vectors[q_num]);4389 4390set_complete:4391 return 0;4392}4393 4394static int ice_set_coalesce(struct net_device *netdev,4395 struct ethtool_coalesce *ec,4396 struct kernel_ethtool_coalesce *kernel_coal,4397 struct netlink_ext_ack *extack)4398{4399 return __ice_set_coalesce(netdev, ec, -1);4400}4401 4402static int4403ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,4404 struct ethtool_coalesce *ec)4405{4406 return __ice_set_coalesce(netdev, ec, q_num);4407}4408 4409static void4410ice_repr_get_drvinfo(struct net_device *netdev,4411 struct ethtool_drvinfo *drvinfo)4412{4413 struct ice_repr *repr = ice_netdev_to_repr(netdev);4414 4415 if (repr->ops.ready(repr))4416 return;4417 4418 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi);4419}4420 4421static void4422ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data)4423{4424 struct ice_repr *repr = ice_netdev_to_repr(netdev);4425 4426 /* for port representors only ETH_SS_STATS is supported */4427 if (repr->ops.ready(repr) || stringset != ETH_SS_STATS)4428 return;4429 4430 __ice_get_strings(netdev, stringset, data, repr->src_vsi);4431}4432 4433static void4434ice_repr_get_ethtool_stats(struct net_device *netdev,4435 struct ethtool_stats __always_unused *stats,4436 u64 *data)4437{4438 struct ice_repr *repr = ice_netdev_to_repr(netdev);4439 4440 if (repr->ops.ready(repr))4441 return;4442 4443 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi);4444}4445 4446static int ice_repr_get_sset_count(struct net_device *netdev, int sset)4447{4448 switch (sset) {4449 case ETH_SS_STATS:4450 return ICE_VSI_STATS_LEN;4451 default:4452 return -EOPNOTSUPP;4453 }4454}4455 4456#define ICE_I2C_EEPROM_DEV_ADDR 0xA04457#define ICE_I2C_EEPROM_DEV_ADDR2 0xA24458#define ICE_MODULE_TYPE_SFP 0x034459#define ICE_MODULE_TYPE_QSFP_PLUS 0x0D4460#define ICE_MODULE_TYPE_QSFP28 0x114461#define ICE_MODULE_SFF_ADDR_MODE 0x044462#define ICE_MODULE_SFF_DIAG_CAPAB 0x404463#define ICE_MODULE_REVISION_ADDR 0x014464#define ICE_MODULE_SFF_8472_COMP 0x5E4465#define ICE_MODULE_SFF_8472_SWAP 0x5C4466#define ICE_MODULE_QSFP_MAX_LEN 6404467 4468/**4469 * ice_get_module_info - get SFF module type and revision information4470 * @netdev: network interface device structure4471 * @modinfo: module EEPROM size and layout information structure4472 */4473static int4474ice_get_module_info(struct net_device *netdev,4475 struct ethtool_modinfo *modinfo)4476{4477 struct ice_netdev_priv *np = netdev_priv(netdev);4478 struct ice_vsi *vsi = np->vsi;4479 struct ice_pf *pf = vsi->back;4480 struct ice_hw *hw = &pf->hw;4481 u8 sff8472_comp = 0;4482 u8 sff8472_swap = 0;4483 u8 sff8636_rev = 0;4484 u8 value = 0;4485 int status;4486 4487 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,4488 0, &value, 1, 0, NULL);4489 if (status)4490 return status;4491 4492 switch (value) {4493 case ICE_MODULE_TYPE_SFP:4494 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,4495 ICE_MODULE_SFF_8472_COMP, 0x00, 0,4496 &sff8472_comp, 1, 0, NULL);4497 if (status)4498 return status;4499 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,4500 ICE_MODULE_SFF_8472_SWAP, 0x00, 0,4501 &sff8472_swap, 1, 0, NULL);4502 if (status)4503 return status;4504 4505 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {4506 modinfo->type = ETH_MODULE_SFF_8079;4507 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;4508 } else if (sff8472_comp &&4509 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {4510 modinfo->type = ETH_MODULE_SFF_8472;4511 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;4512 } else {4513 modinfo->type = ETH_MODULE_SFF_8079;4514 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;4515 }4516 break;4517 case ICE_MODULE_TYPE_QSFP_PLUS:4518 case ICE_MODULE_TYPE_QSFP28:4519 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,4520 ICE_MODULE_REVISION_ADDR, 0x00, 0,4521 &sff8636_rev, 1, 0, NULL);4522 if (status)4523 return status;4524 /* Check revision compliance */4525 if (sff8636_rev > 0x02) {4526 /* Module is SFF-8636 compliant */4527 modinfo->type = ETH_MODULE_SFF_8636;4528 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;4529 } else {4530 modinfo->type = ETH_MODULE_SFF_8436;4531 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;4532 }4533 break;4534 default:4535 netdev_warn(netdev, "SFF Module Type not recognized.\n");4536 return -EINVAL;4537 }4538 return 0;4539}4540 4541/**4542 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents4543 * @netdev: network interface device structure4544 * @ee: EEPROM dump request structure4545 * @data: buffer to be filled with EEPROM contents4546 */4547static int4548ice_get_module_eeprom(struct net_device *netdev,4549 struct ethtool_eeprom *ee, u8 *data)4550{4551 struct ice_netdev_priv *np = netdev_priv(netdev);4552#define SFF_READ_BLOCK_SIZE 84553 u8 value[SFF_READ_BLOCK_SIZE] = { 0 };4554 u8 addr = ICE_I2C_EEPROM_DEV_ADDR;4555 struct ice_vsi *vsi = np->vsi;4556 struct ice_pf *pf = vsi->back;4557 struct ice_hw *hw = &pf->hw;4558 bool is_sfp = false;4559 unsigned int i, j;4560 u16 offset = 0;4561 u8 page = 0;4562 int status;4563 4564 if (!ee || !ee->len || !data)4565 return -EINVAL;4566 4567 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0,4568 NULL);4569 if (status)4570 return status;4571 4572 if (value[0] == ICE_MODULE_TYPE_SFP)4573 is_sfp = true;4574 4575 memset(data, 0, ee->len);4576 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {4577 offset = i + ee->offset;4578 page = 0;4579 4580 /* Check if we need to access the other memory page */4581 if (is_sfp) {4582 if (offset >= ETH_MODULE_SFF_8079_LEN) {4583 offset -= ETH_MODULE_SFF_8079_LEN;4584 addr = ICE_I2C_EEPROM_DEV_ADDR2;4585 }4586 } else {4587 while (offset >= ETH_MODULE_SFF_8436_LEN) {4588 /* Compute memory page number and offset. */4589 offset -= ETH_MODULE_SFF_8436_LEN / 2;4590 page++;4591 }4592 }4593 4594 /* Bit 2 of EEPROM address 0x02 declares upper4595 * pages are disabled on QSFP modules.4596 * SFP modules only ever use page 0.4597 */4598 if (page == 0 || !(data[0x2] & 0x4)) {4599 u32 copy_len;4600 4601 /* If i2c bus is busy due to slow page change or4602 * link management access, call can fail. This is normal.4603 * So we retry this a few times.4604 */4605 for (j = 0; j < 4; j++) {4606 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page,4607 !is_sfp, value,4608 SFF_READ_BLOCK_SIZE,4609 0, NULL);4610 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n",4611 addr, offset, page, is_sfp,4612 value[0], value[1], value[2], value[3],4613 value[4], value[5], value[6], value[7],4614 status);4615 if (status) {4616 usleep_range(1500, 2500);4617 memset(value, 0, SFF_READ_BLOCK_SIZE);4618 continue;4619 }4620 break;4621 }4622 4623 /* Make sure we have enough room for the new block */4624 copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i);4625 memcpy(data + i, value, copy_len);4626 }4627 }4628 return 0;4629}4630 4631/**4632 * ice_get_port_fec_stats - returns FEC correctable, uncorrectable stats per4633 * pcsquad, pcsport4634 * @hw: pointer to the HW struct4635 * @pcs_quad: pcsquad for input port4636 * @pcs_port: pcsport for input port4637 * @fec_stats: buffer to hold FEC statistics for given port4638 *4639 * Return: 0 on success, negative on failure.4640 */4641static int ice_get_port_fec_stats(struct ice_hw *hw, u16 pcs_quad, u16 pcs_port,4642 struct ethtool_fec_stats *fec_stats)4643{4644 u32 fec_uncorr_low_val = 0, fec_uncorr_high_val = 0;4645 u32 fec_corr_low_val = 0, fec_corr_high_val = 0;4646 int err;4647 4648 if (pcs_quad > 1 || pcs_port > 3)4649 return -EINVAL;4650 4651 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_LOW,4652 &fec_corr_low_val);4653 if (err)4654 return err;4655 4656 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port, ICE_FEC_CORR_HIGH,4657 &fec_corr_high_val);4658 if (err)4659 return err;4660 4661 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port,4662 ICE_FEC_UNCORR_LOW,4663 &fec_uncorr_low_val);4664 if (err)4665 return err;4666 4667 err = ice_aq_get_fec_stats(hw, pcs_quad, pcs_port,4668 ICE_FEC_UNCORR_HIGH,4669 &fec_uncorr_high_val);4670 if (err)4671 return err;4672 4673 fec_stats->corrected_blocks.total = (fec_corr_high_val << 16) +4674 fec_corr_low_val;4675 fec_stats->uncorrectable_blocks.total = (fec_uncorr_high_val << 16) +4676 fec_uncorr_low_val;4677 return 0;4678}4679 4680/**4681 * ice_get_fec_stats - returns FEC correctable, uncorrectable stats per netdev4682 * @netdev: network interface device structure4683 * @fec_stats: buffer to hold FEC statistics for given port4684 *4685 */4686static void ice_get_fec_stats(struct net_device *netdev,4687 struct ethtool_fec_stats *fec_stats)4688{4689 struct ice_netdev_priv *np = netdev_priv(netdev);4690 struct ice_port_topology port_topology;4691 struct ice_port_info *pi;4692 struct ice_pf *pf;4693 struct ice_hw *hw;4694 int err;4695 4696 pf = np->vsi->back;4697 hw = &pf->hw;4698 pi = np->vsi->port_info;4699 4700 /* Serdes parameters are not supported if not the PF VSI */4701 if (np->vsi->type != ICE_VSI_PF || !pi)4702 return;4703 4704 err = ice_get_port_topology(hw, pi->lport, &port_topology);4705 if (err) {4706 netdev_info(netdev, "Extended register dump failed Lport %d\n",4707 pi->lport);4708 return;4709 }4710 4711 /* Get FEC correctable, uncorrectable counter */4712 err = ice_get_port_fec_stats(hw, port_topology.pcs_quad_select,4713 port_topology.pcs_port, fec_stats);4714 if (err)4715 netdev_info(netdev, "FEC stats get failed Lport %d Err %d\n",4716 pi->lport, err);4717}4718 4719static const struct ethtool_ops ice_ethtool_ops = {4720 .cap_rss_ctx_supported = true,4721 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |4722 ETHTOOL_COALESCE_USE_ADAPTIVE |4723 ETHTOOL_COALESCE_RX_USECS_HIGH,4724 .cap_rss_sym_xor_supported = true,4725 .rxfh_per_ctx_key = true,4726 .get_link_ksettings = ice_get_link_ksettings,4727 .set_link_ksettings = ice_set_link_ksettings,4728 .get_fec_stats = ice_get_fec_stats,4729 .get_drvinfo = ice_get_drvinfo,4730 .get_regs_len = ice_get_regs_len,4731 .get_regs = ice_get_regs,4732 .get_wol = ice_get_wol,4733 .set_wol = ice_set_wol,4734 .get_msglevel = ice_get_msglevel,4735 .set_msglevel = ice_set_msglevel,4736 .self_test = ice_self_test,4737 .get_link = ethtool_op_get_link,4738 .get_eeprom_len = ice_get_eeprom_len,4739 .get_eeprom = ice_get_eeprom,4740 .get_coalesce = ice_get_coalesce,4741 .set_coalesce = ice_set_coalesce,4742 .get_strings = ice_get_strings,4743 .set_phys_id = ice_set_phys_id,4744 .get_ethtool_stats = ice_get_ethtool_stats,4745 .get_priv_flags = ice_get_priv_flags,4746 .set_priv_flags = ice_set_priv_flags,4747 .get_sset_count = ice_get_sset_count,4748 .get_rxnfc = ice_get_rxnfc,4749 .set_rxnfc = ice_set_rxnfc,4750 .get_ringparam = ice_get_ringparam,4751 .set_ringparam = ice_set_ringparam,4752 .nway_reset = ice_nway_reset,4753 .get_pauseparam = ice_get_pauseparam,4754 .set_pauseparam = ice_set_pauseparam,4755 .get_rxfh_key_size = ice_get_rxfh_key_size,4756 .get_rxfh_indir_size = ice_get_rxfh_indir_size,4757 .get_rxfh = ice_get_rxfh,4758 .set_rxfh = ice_set_rxfh,4759 .get_channels = ice_get_channels,4760 .set_channels = ice_set_channels,4761 .get_ts_info = ice_get_ts_info,4762 .get_per_queue_coalesce = ice_get_per_q_coalesce,4763 .set_per_queue_coalesce = ice_set_per_q_coalesce,4764 .get_fecparam = ice_get_fecparam,4765 .set_fecparam = ice_set_fecparam,4766 .get_module_info = ice_get_module_info,4767 .get_module_eeprom = ice_get_module_eeprom,4768};4769 4770static const struct ethtool_ops ice_ethtool_safe_mode_ops = {4771 .get_link_ksettings = ice_get_link_ksettings,4772 .set_link_ksettings = ice_set_link_ksettings,4773 .get_drvinfo = ice_get_drvinfo,4774 .get_regs_len = ice_get_regs_len,4775 .get_regs = ice_get_regs,4776 .get_wol = ice_get_wol,4777 .set_wol = ice_set_wol,4778 .get_msglevel = ice_get_msglevel,4779 .set_msglevel = ice_set_msglevel,4780 .get_link = ethtool_op_get_link,4781 .get_eeprom_len = ice_get_eeprom_len,4782 .get_eeprom = ice_get_eeprom,4783 .get_strings = ice_get_strings,4784 .get_ethtool_stats = ice_get_ethtool_stats,4785 .get_sset_count = ice_get_sset_count,4786 .get_ringparam = ice_get_ringparam,4787 .set_ringparam = ice_set_ringparam,4788 .nway_reset = ice_nway_reset,4789 .get_channels = ice_get_channels,4790};4791 4792/**4793 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops4794 * @netdev: network interface device structure4795 */4796void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)4797{4798 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;4799}4800 4801static const struct ethtool_ops ice_ethtool_repr_ops = {4802 .get_drvinfo = ice_repr_get_drvinfo,4803 .get_link = ethtool_op_get_link,4804 .get_strings = ice_repr_get_strings,4805 .get_ethtool_stats = ice_repr_get_ethtool_stats,4806 .get_sset_count = ice_repr_get_sset_count,4807};4808 4809/**4810 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops4811 * @netdev: network interface device structure4812 */4813void ice_set_ethtool_repr_ops(struct net_device *netdev)4814{4815 netdev->ethtool_ops = &ice_ethtool_repr_ops;4816}4817 4818/**4819 * ice_set_ethtool_ops - setup netdev ethtool ops4820 * @netdev: network interface device structure4821 *4822 * setup netdev ethtool ops with ice specific ops4823 */4824void ice_set_ethtool_ops(struct net_device *netdev)4825{4826 netdev->ethtool_ops = &ice_ethtool_ops;4827}4828