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4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 | // SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2018, Intel Corporation. */ /* ethtool support for ice */ #include "ice.h" #include "ice_ethtool.h" #include "ice_flow.h" #include "ice_fltr.h" #include "ice_lib.h" #include "ice_dcb_lib.h" #include <net/dcbnl.h> struct ice_stats { char stat_string[ETH_GSTRING_LEN]; int sizeof_stat; int stat_offset; }; #define ICE_STAT(_type, _name, _stat) { \ .stat_string = _name, \ .sizeof_stat = sizeof_field(_type, _stat), \ .stat_offset = offsetof(_type, _stat) \ } #define ICE_VSI_STAT(_name, _stat) \ ICE_STAT(struct ice_vsi, _name, _stat) #define ICE_PF_STAT(_name, _stat) \ ICE_STAT(struct ice_pf, _name, _stat) static int ice_q_stats_len(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * (sizeof(struct ice_q_stats) / sizeof(u64))); } #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) #define ICE_PFC_STATS_LEN ( \ (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \ sizeof_field(struct ice_pf, stats.priority_xon_rx) + \ sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \ sizeof_field(struct ice_pf, stats.priority_xon_tx)) \ / sizeof(u64)) #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ ICE_VSI_STATS_LEN + ice_q_stats_len(n)) static const struct ice_stats ice_gstrings_vsi_stats[] = { ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), ICE_VSI_STAT("tx_linearize", tx_linearize), ICE_VSI_STAT("tx_busy", tx_busy), ICE_VSI_STAT("tx_restart", tx_restart), }; enum ice_ethtool_test_id { ICE_ETH_TEST_REG = 0, ICE_ETH_TEST_EEPROM, ICE_ETH_TEST_INTR, ICE_ETH_TEST_LOOP, ICE_ETH_TEST_LINK, }; static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { "Register test (offline)", "EEPROM test (offline)", "Interrupt test (offline)", "Loopback test (offline)", "Link test (on/offline)", }; #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) /* These PF_STATs might look like duplicates of some NETDEV_STATs, * but they aren't. This device is capable of supporting multiple * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual * netdevs whereas the PF_STATs are for the physical function that's * hosting these netdevs. * * The PF_STATs are appended to the netdev stats only when ethtool -S * is queried on the base PF netdev. */ static const struct ice_stats ice_gstrings_pf_stats[] = { ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), ICE_PF_STAT("tx_timeout.nic", tx_timeout_count), ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped), ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts), ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed), ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded), ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates), }; static const u32 ice_regs_dump_list[] = { PFGEN_STATE, PRTGEN_STATUS, QRX_CTRL(0), QINT_TQCTL(0), QINT_RQCTL(0), PFINT_OICR_ENA, QRX_ITR(0), #define GLDCB_TLPM_PCI_DM 0x000A0180 GLDCB_TLPM_PCI_DM, #define GLDCB_TLPM_TC2PFC 0x000A0194 GLDCB_TLPM_TC2PFC, #define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4)) TCDCB_TLPM_WAIT_DM(0), TCDCB_TLPM_WAIT_DM(1), TCDCB_TLPM_WAIT_DM(2), TCDCB_TLPM_WAIT_DM(3), TCDCB_TLPM_WAIT_DM(4), TCDCB_TLPM_WAIT_DM(5), TCDCB_TLPM_WAIT_DM(6), TCDCB_TLPM_WAIT_DM(7), TCDCB_TLPM_WAIT_DM(8), TCDCB_TLPM_WAIT_DM(9), TCDCB_TLPM_WAIT_DM(10), TCDCB_TLPM_WAIT_DM(11), TCDCB_TLPM_WAIT_DM(12), TCDCB_TLPM_WAIT_DM(13), TCDCB_TLPM_WAIT_DM(14), TCDCB_TLPM_WAIT_DM(15), TCDCB_TLPM_WAIT_DM(16), TCDCB_TLPM_WAIT_DM(17), TCDCB_TLPM_WAIT_DM(18), TCDCB_TLPM_WAIT_DM(19), TCDCB_TLPM_WAIT_DM(20), TCDCB_TLPM_WAIT_DM(21), TCDCB_TLPM_WAIT_DM(22), TCDCB_TLPM_WAIT_DM(23), TCDCB_TLPM_WAIT_DM(24), TCDCB_TLPM_WAIT_DM(25), TCDCB_TLPM_WAIT_DM(26), TCDCB_TLPM_WAIT_DM(27), TCDCB_TLPM_WAIT_DM(28), TCDCB_TLPM_WAIT_DM(29), TCDCB_TLPM_WAIT_DM(30), TCDCB_TLPM_WAIT_DM(31), #define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90 GLPCI_WATMK_CLNT_PIPEMON, #define GLPCI_CUR_CLNT_COMMON 0x000BFD84 GLPCI_CUR_CLNT_COMMON, #define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88 GLPCI_CUR_CLNT_PIPEMON, #define GLPCI_PCIERR 0x0009DEB0 GLPCI_PCIERR, #define GLPSM_DEBUG_CTL_STATUS 0x000B0600 GLPSM_DEBUG_CTL_STATUS, #define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT, #define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT, #define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688 GLPSM0_DEBUG_DT_OUT_OF_WINDOW, #define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C GLPSM0_DEBUG_INTF_HW_ERROR_DETECT, #define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT, #define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT, #define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT, #define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT, #define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT, #define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT, #define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT, #define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT, #define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688 GLPSM2_DEBUG_MISC_HW_ERROR_DETECT, #define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4)) GLTDPU_TCLAN_COMP_BOB(1), GLTDPU_TCLAN_COMP_BOB(2), GLTDPU_TCLAN_COMP_BOB(3), GLTDPU_TCLAN_COMP_BOB(4), GLTDPU_TCLAN_COMP_BOB(5), GLTDPU_TCLAN_COMP_BOB(6), GLTDPU_TCLAN_COMP_BOB(7), GLTDPU_TCLAN_COMP_BOB(8), #define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4)) GLTDPU_TCB_CMD_BOB(1), GLTDPU_TCB_CMD_BOB(2), GLTDPU_TCB_CMD_BOB(3), GLTDPU_TCB_CMD_BOB(4), GLTDPU_TCB_CMD_BOB(5), GLTDPU_TCB_CMD_BOB(6), GLTDPU_TCB_CMD_BOB(7), GLTDPU_TCB_CMD_BOB(8), #define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4)) GLTDPU_PSM_UPDATE_BOB(1), GLTDPU_PSM_UPDATE_BOB(2), GLTDPU_PSM_UPDATE_BOB(3), GLTDPU_PSM_UPDATE_BOB(4), GLTDPU_PSM_UPDATE_BOB(5), GLTDPU_PSM_UPDATE_BOB(6), GLTDPU_PSM_UPDATE_BOB(7), GLTDPU_PSM_UPDATE_BOB(8), #define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4)) GLTCB_CMD_IN_BOB(1), GLTCB_CMD_IN_BOB(2), GLTCB_CMD_IN_BOB(3), GLTCB_CMD_IN_BOB(4), GLTCB_CMD_IN_BOB(5), GLTCB_CMD_IN_BOB(6), GLTCB_CMD_IN_BOB(7), GLTCB_CMD_IN_BOB(8), #define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4)) GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1), GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2), GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3), GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4), GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5), GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6), GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7), GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8), #define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4)) GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1), GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2), GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3), GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4), GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5), GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6), GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7), GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8), #define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4)) GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1), GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2), GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3), GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4), GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5), GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6), GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7), GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8), #define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4)) GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1), GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2), GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3), GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4), GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5), GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6), GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7), GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8), #define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4)) GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1), GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2), GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3), GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4), GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5), GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6), GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7), GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8), #define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4)) PRTDCB_TCUPM_REG_CM(0), PRTDCB_TCUPM_REG_CM(1), PRTDCB_TCUPM_REG_CM(2), PRTDCB_TCUPM_REG_CM(3), #define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4)) PRTDCB_TCUPM_REG_DM(0), PRTDCB_TCUPM_REG_DM(1), PRTDCB_TCUPM_REG_DM(2), PRTDCB_TCUPM_REG_DM(3), #define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4)) PRTDCB_TLPM_REG_DM(0), PRTDCB_TLPM_REG_DM(1), PRTDCB_TLPM_REG_DM(2), PRTDCB_TLPM_REG_DM(3), }; struct ice_priv_flag { char name[ETH_GSTRING_LEN]; u32 bitno; /* bit position in pf->flags */ }; #define ICE_PRIV_FLAG(_name, _bitno) { \ .name = _name, \ .bitno = _bitno, \ } static const struct ice_priv_flag ice_gstrings_priv_flags[] = { ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), ICE_PRIV_FLAG("vf-true-promisc-support", ICE_FLAG_VF_TRUE_PROMISC_ENA), ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING), ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), }; #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) static const u32 ice_adv_lnk_speed_100[] __initconst = { ETHTOOL_LINK_MODE_100baseT_Full_BIT, }; static const u32 ice_adv_lnk_speed_1000[] __initconst = { ETHTOOL_LINK_MODE_1000baseX_Full_BIT, ETHTOOL_LINK_MODE_1000baseT_Full_BIT, ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, }; static const u32 ice_adv_lnk_speed_2500[] __initconst = { ETHTOOL_LINK_MODE_2500baseT_Full_BIT, ETHTOOL_LINK_MODE_2500baseX_Full_BIT, }; static const u32 ice_adv_lnk_speed_5000[] __initconst = { ETHTOOL_LINK_MODE_5000baseT_Full_BIT, }; static const u32 ice_adv_lnk_speed_10000[] __initconst = { ETHTOOL_LINK_MODE_10000baseT_Full_BIT, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, }; static const u32 ice_adv_lnk_speed_25000[] __initconst = { ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, }; static const u32 ice_adv_lnk_speed_40000[] __initconst = { ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, }; static const u32 ice_adv_lnk_speed_50000[] __initconst = { ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, }; static const u32 ice_adv_lnk_speed_100000[] __initconst = { ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT, ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT, ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT, }; static const u32 ice_adv_lnk_speed_200000[] __initconst = { ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT, ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT, ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT, ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT, ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT, }; static struct ethtool_forced_speed_map ice_adv_lnk_speed_maps[] __ro_after_init = { ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100), ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 1000), ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 2500), ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 5000), ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 10000), ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 25000), ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 40000), ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 50000), ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100000), ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 200000), }; void __init ice_adv_lnk_speed_maps_init(void) { ethtool_forced_speed_maps_init(ice_adv_lnk_speed_maps, ARRAY_SIZE(ice_adv_lnk_speed_maps)); } static void __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo, struct ice_vsi *vsi) { struct ice_pf *pf = vsi->back; struct ice_hw *hw = &pf->hw; struct ice_orom_info *orom; struct ice_nvm_info *nvm; nvm = &hw->flash.nvm; orom = &hw->flash.orom; strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); /* Display NVM version (from which the firmware version can be * determined) which contains more pertinent information. */ snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor, nvm->eetrack, orom->major, orom->build, orom->patch); strscpy(drvinfo->bus_info, pci_name(pf->pdev), sizeof(drvinfo->bus_info)); } static void ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) { struct ice_netdev_priv *np = netdev_priv(netdev); __ice_get_drvinfo(netdev, drvinfo, np->vsi); drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; } static int ice_get_regs_len(struct net_device __always_unused *netdev) { return sizeof(ice_regs_dump_list); } static void ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_pf *pf = np->vsi->back; struct ice_hw *hw = &pf->hw; u32 *regs_buf = (u32 *)p; unsigned int i; regs->version = 1; for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); } static u32 ice_get_msglevel(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_pf *pf = np->vsi->back; #ifndef CONFIG_DYNAMIC_DEBUG if (pf->hw.debug_mask) netdev_info(netdev, "hw debug_mask: 0x%llX\n", pf->hw.debug_mask); #endif /* !CONFIG_DYNAMIC_DEBUG */ return pf->msg_enable; } static void ice_set_msglevel(struct net_device *netdev, u32 data) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_pf *pf = np->vsi->back; #ifndef CONFIG_DYNAMIC_DEBUG if (ICE_DBG_USER & data) pf->hw.debug_mask = data; else pf->msg_enable = data; #else pf->msg_enable = data; #endif /* !CONFIG_DYNAMIC_DEBUG */ } static int ice_get_eeprom_len(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_pf *pf = np->vsi->back; return (int)pf->hw.flash.flash_size; } static int ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, u8 *bytes) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; struct ice_hw *hw = &pf->hw; struct device *dev; int ret; u8 *buf; dev = ice_pf_to_dev(pf); eeprom->magic = hw->vendor_id | (hw->device_id << 16); netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", eeprom->cmd, eeprom->offset, eeprom->len); buf = kzalloc(eeprom->len, GFP_KERNEL); if (!buf) return -ENOMEM; ret = ice_acquire_nvm(hw, ICE_RES_READ); if (ret) { dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n", ret, ice_aq_str(hw->adminq.sq_last_status)); goto out; } ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, false); if (ret) { dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n", ret, ice_aq_str(hw->adminq.sq_last_status)); goto release; } memcpy(bytes, buf, eeprom->len); release: ice_release_nvm(hw); out: kfree(buf); return ret; } /** * ice_active_vfs - check if there are any active VFs * @pf: board private structure * * Returns true if an active VF is found, otherwise returns false */ static bool ice_active_vfs(struct ice_pf *pf) { bool active = false; struct ice_vf *vf; unsigned int bkt; rcu_read_lock(); ice_for_each_vf_rcu(pf, bkt, vf) { if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { active = true; break; } } rcu_read_unlock(); return active; } /** * ice_link_test - perform a link test on a given net_device * @netdev: network interface device structure * * This function performs one of the self-tests required by ethtool. * Returns 0 on success, non-zero on failure. */ static u64 ice_link_test(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); bool link_up = false; int status; netdev_info(netdev, "link test\n"); status = ice_get_link_status(np->vsi->port_info, &link_up); if (status) { netdev_err(netdev, "link query error, status = %d\n", status); return 1; } if (!link_up) return 2; return 0; } /** * ice_eeprom_test - perform an EEPROM test on a given net_device * @netdev: network interface device structure * * This function performs one of the self-tests required by ethtool. * Returns 0 on success, non-zero on failure. */ static u64 ice_eeprom_test(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_pf *pf = np->vsi->back; netdev_info(netdev, "EEPROM test\n"); return !!(ice_nvm_validate_checksum(&pf->hw)); } /** * ice_reg_pattern_test * @hw: pointer to the HW struct * @reg: reg to be tested * @mask: bits to be touched */ static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) { struct ice_pf *pf = (struct ice_pf *)hw->back; struct device *dev = ice_pf_to_dev(pf); static const u32 patterns[] = { 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF }; u32 val, orig_val; unsigned int i; orig_val = rd32(hw, reg); for (i = 0; i < ARRAY_SIZE(patterns); ++i) { u32 pattern = patterns[i] & mask; wr32(hw, reg, pattern); val = rd32(hw, reg); if (val == pattern) continue; dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" , __func__, reg, pattern, val); return 1; } wr32(hw, reg, orig_val); val = rd32(hw, reg); if (val != orig_val) { dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" , __func__, reg, orig_val, val); return 1; } return 0; } /** * ice_reg_test - perform a register test on a given net_device * @netdev: network interface device structure * * This function performs one of the self-tests required by ethtool. * Returns 0 on success, non-zero on failure. */ static u64 ice_reg_test(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_hw *hw = np->vsi->port_info->hw; u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? hw->func_caps.common_cap.num_msix_vectors - 1 : 1; struct ice_diag_reg_test_info { u32 address; u32 mask; u32 elem_num; u32 elem_size; } ice_reg_list[] = { {GLINT_ITR(0, 0), 0x00000fff, int_elements, GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, {GLINT_ITR(1, 0), 0x00000fff, int_elements, GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, {GLINT_ITR(0, 0), 0x00000fff, int_elements, GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, {GLINT_CTL, 0xffff0001, 1, 0} }; unsigned int i; netdev_dbg(netdev, "Register test\n"); for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { u32 j; for (j = 0; j < ice_reg_list[i].elem_num; ++j) { u32 mask = ice_reg_list[i].mask; u32 reg = ice_reg_list[i].address + (j * ice_reg_list[i].elem_size); /* bail on failure (non-zero return) */ if (ice_reg_pattern_test(hw, reg, mask)) return 1; } } return 0; } /** * ice_lbtest_prepare_rings - configure Tx/Rx test rings * @vsi: pointer to the VSI structure * * Function configures rings of a VSI for loopback test without * enabling interrupts or informing the kernel about new queues. * * Returns 0 on success, negative on failure. */ static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) { int status; status = ice_vsi_setup_tx_rings(vsi); if (status) goto err_setup_tx_ring; status = ice_vsi_setup_rx_rings(vsi); if (status) goto err_setup_rx_ring; status = ice_vsi_cfg_lan(vsi); if (status) goto err_setup_rx_ring; status = ice_vsi_start_all_rx_rings(vsi); if (status) goto err_start_rx_ring; return 0; err_start_rx_ring: ice_vsi_free_rx_rings(vsi); err_setup_rx_ring: ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); err_setup_tx_ring: ice_vsi_free_tx_rings(vsi); return status; } /** * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test * @vsi: pointer to the VSI structure * * Function stops and frees VSI rings after a loopback test. * Returns 0 on success, negative on failure. */ static int ice_lbtest_disable_rings(struct ice_vsi *vsi) { int status; status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); if (status) netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", vsi->vsi_num, status); status = ice_vsi_stop_all_rx_rings(vsi); if (status) netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", vsi->vsi_num, status); ice_vsi_free_tx_rings(vsi); ice_vsi_free_rx_rings(vsi); return status; } /** * ice_lbtest_create_frame - create test packet * @pf: pointer to the PF structure * @ret_data: allocated frame buffer * @size: size of the packet data * * Function allocates a frame with a test pattern on specific offsets. * Returns 0 on success, non-zero on failure. */ static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) { u8 *data; if (!pf) return -EINVAL; data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); if (!data) return -ENOMEM; /* Since the ethernet test frame should always be at least * 64 bytes long, fill some octets in the payload with test data. */ memset(data, 0xFF, size); data[32] = 0xDE; data[42] = 0xAD; data[44] = 0xBE; data[46] = 0xEF; *ret_data = data; return 0; } /** * ice_lbtest_check_frame - verify received loopback frame * @frame: pointer to the raw packet data * * Function verifies received test frame with a pattern. * Returns true if frame matches the pattern, false otherwise. */ static bool ice_lbtest_check_frame(u8 *frame) { /* Validate bytes of a frame under offsets chosen earlier */ if (frame[32] == 0xDE && frame[42] == 0xAD && frame[44] == 0xBE && frame[46] == 0xEF && frame[48] == 0xFF) return true; return false; } /** * ice_diag_send - send test frames to the test ring * @tx_ring: pointer to the transmit ring * @data: pointer to the raw packet data * @size: size of the packet to send * * Function sends loopback packets on a test Tx ring. */ static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size) { struct ice_tx_desc *tx_desc; struct ice_tx_buf *tx_buf; dma_addr_t dma; u64 td_cmd; tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); if (dma_mapping_error(tx_ring->dev, dma)) return -EINVAL; tx_desc->buf_addr = cpu_to_le64(dma); /* These flags are required for a descriptor to be pushed out */ td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); tx_desc->cmd_type_offset_bsz = cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | (td_cmd << ICE_TXD_QW1_CMD_S) | ((u64)0 << ICE_TXD_QW1_OFFSET_S) | ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); tx_buf->next_to_watch = tx_desc; /* Force memory write to complete before letting h/w know * there are new descriptors to fetch. */ wmb(); tx_ring->next_to_use++; if (tx_ring->next_to_use >= tx_ring->count) tx_ring->next_to_use = 0; writel_relaxed(tx_ring->next_to_use, tx_ring->tail); /* Wait until the packets get transmitted to the receive queue. */ usleep_range(1000, 2000); dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); return 0; } #define ICE_LB_FRAME_SIZE 64 /** * ice_lbtest_receive_frames - receive and verify test frames * @rx_ring: pointer to the receive ring * * Function receives loopback packets and verify their correctness. * Returns number of received valid frames. */ static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring) { struct ice_rx_buf *rx_buf; int valid_frames, i; u8 *received_buf; valid_frames = 0; for (i = 0; i < rx_ring->count; i++) { union ice_32b_rx_flex_desc *rx_desc; rx_desc = ICE_RX_DESC(rx_ring, i); if (!(rx_desc->wb.status_error0 & (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) | cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S))))) continue; rx_buf = &rx_ring->rx_buf[i]; received_buf = page_address(rx_buf->page) + rx_buf->page_offset; if (ice_lbtest_check_frame(received_buf)) valid_frames++; } return valid_frames; } /** * ice_loopback_test - perform a loopback test on a given net_device * @netdev: network interface device structure * * This function performs one of the self-tests required by ethtool. * Returns 0 on success, non-zero on failure. */ static u64 ice_loopback_test(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *orig_vsi = np->vsi, *test_vsi; struct ice_pf *pf = orig_vsi->back; u8 broadcast[ETH_ALEN], ret = 0; int num_frames, valid_frames; struct ice_tx_ring *tx_ring; struct ice_rx_ring *rx_ring; struct device *dev; u8 *tx_frame; int i; dev = ice_pf_to_dev(pf); netdev_info(netdev, "loopback test\n"); test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); if (!test_vsi) { netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); return 1; } test_vsi->netdev = netdev; tx_ring = test_vsi->tx_rings[0]; rx_ring = test_vsi->rx_rings[0]; if (ice_lbtest_prepare_rings(test_vsi)) { ret = 2; goto lbtest_vsi_close; } if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { ret = 3; goto lbtest_rings_dis; } /* Enable MAC loopback in firmware */ if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { ret = 4; goto lbtest_mac_dis; } /* Test VSI needs to receive broadcast packets */ eth_broadcast_addr(broadcast); if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { ret = 5; goto lbtest_mac_dis; } if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { ret = 7; goto remove_mac_filters; } num_frames = min_t(int, tx_ring->count, 32); for (i = 0; i < num_frames; i++) { if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { ret = 8; goto lbtest_free_frame; } } valid_frames = ice_lbtest_receive_frames(rx_ring); if (!valid_frames) ret = 9; else if (valid_frames != num_frames) ret = 10; lbtest_free_frame: devm_kfree(dev, tx_frame); remove_mac_filters: if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); lbtest_mac_dis: /* Disable MAC loopback after the test is completed. */ if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) netdev_err(netdev, "Could not disable MAC loopback\n"); lbtest_rings_dis: if (ice_lbtest_disable_rings(test_vsi)) netdev_err(netdev, "Could not disable test rings\n"); lbtest_vsi_close: test_vsi->netdev = NULL; if (ice_vsi_release(test_vsi)) netdev_err(netdev, "Failed to remove the test VSI\n"); return ret; } /** * ice_intr_test - perform an interrupt test on a given net_device * @netdev: network interface device structure * * This function performs one of the self-tests required by ethtool. * Returns 0 on success, non-zero on failure. */ static u64 ice_intr_test(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_pf *pf = np->vsi->back; u16 swic_old = pf->sw_int_count; netdev_info(netdev, "interrupt test\n"); wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index), GLINT_DYN_CTL_SW_ITR_INDX_M | GLINT_DYN_CTL_INTENA_MSK_M | GLINT_DYN_CTL_SWINT_TRIG_M); usleep_range(1000, 2000); return (swic_old == pf->sw_int_count); } /** * ice_self_test - handler function for performing a self-test by ethtool * @netdev: network interface device structure * @eth_test: ethtool_test structure * @data: required by ethtool.self_test * * This function is called after invoking 'ethtool -t devname' command where * devname is the name of the network device on which ethtool should operate. * It performs a set of self-tests to check if a device works properly. */ static void ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, u64 *data) { struct ice_netdev_priv *np = netdev_priv(netdev); bool if_running = netif_running(netdev); struct ice_pf *pf = np->vsi->back; struct device *dev; dev = ice_pf_to_dev(pf); if (eth_test->flags == ETH_TEST_FL_OFFLINE) { netdev_info(netdev, "offline testing starting\n"); set_bit(ICE_TESTING, pf->state); if (ice_active_vfs(pf)) { dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); data[ICE_ETH_TEST_REG] = 1; data[ICE_ETH_TEST_EEPROM] = 1; data[ICE_ETH_TEST_INTR] = 1; data[ICE_ETH_TEST_LOOP] = 1; data[ICE_ETH_TEST_LINK] = 1; eth_test->flags |= ETH_TEST_FL_FAILED; clear_bit(ICE_TESTING, pf->state); goto skip_ol_tests; } /* If the device is online then take it offline */ if (if_running) /* indicate we're in test mode */ ice_stop(netdev); data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); if (data[ICE_ETH_TEST_LINK] || data[ICE_ETH_TEST_EEPROM] || data[ICE_ETH_TEST_LOOP] || data[ICE_ETH_TEST_INTR] || data[ICE_ETH_TEST_REG]) eth_test->flags |= ETH_TEST_FL_FAILED; clear_bit(ICE_TESTING, pf->state); if (if_running) { int status = ice_open(netdev); if (status) { dev_err(dev, "Could not open device %s, err %d\n", pf->int_name, status); } } } else { /* Online tests */ netdev_info(netdev, "online testing starting\n"); data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); if (data[ICE_ETH_TEST_LINK]) eth_test->flags |= ETH_TEST_FL_FAILED; /* Offline only tests, not run in online; pass by default */ data[ICE_ETH_TEST_REG] = 0; data[ICE_ETH_TEST_EEPROM] = 0; data[ICE_ETH_TEST_INTR] = 0; data[ICE_ETH_TEST_LOOP] = 0; } skip_ol_tests: netdev_info(netdev, "testing finished\n"); } static void __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data, struct ice_vsi *vsi) { unsigned int i; u8 *p = data; switch (stringset) { case ETH_SS_STATS: for (i = 0; i < ICE_VSI_STATS_LEN; i++) ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string); if (ice_is_port_repr_netdev(netdev)) return; ice_for_each_alloc_txq(vsi, i) { ethtool_sprintf(&p, "tx_queue_%u_packets", i); ethtool_sprintf(&p, "tx_queue_%u_bytes", i); } ice_for_each_alloc_rxq(vsi, i) { ethtool_sprintf(&p, "rx_queue_%u_packets", i); ethtool_sprintf(&p, "rx_queue_%u_bytes", i); } if (vsi->type != ICE_VSI_PF) return; for (i = 0; i < ICE_PF_STATS_LEN; i++) ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string); for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); } for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); } break; case ETH_SS_TEST: memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); break; case ETH_SS_PRIV_FLAGS: for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) ethtool_puts(&p, ice_gstrings_priv_flags[i].name); break; default: break; } } static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) { struct ice_netdev_priv *np = netdev_priv(netdev); __ice_get_strings(netdev, stringset, data, np->vsi); } static int ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) { struct ice_netdev_priv *np = netdev_priv(netdev); bool led_active; switch (state) { case ETHTOOL_ID_ACTIVE: led_active = true; break; case ETHTOOL_ID_INACTIVE: led_active = false; break; default: return -EINVAL; } if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) return -EIO; return 0; } /** * ice_set_fec_cfg - Set link FEC options * @netdev: network interface device structure * @req_fec: FEC mode to configure */ static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_aqc_set_phy_cfg_data config = { 0 }; struct ice_vsi *vsi = np->vsi; struct ice_port_info *pi; pi = vsi->port_info; if (!pi) return -EOPNOTSUPP; /* Changing the FEC parameters is not supported if not the PF VSI */ if (vsi->type != ICE_VSI_PF) { netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); return -EOPNOTSUPP; } /* Proceed only if requesting different FEC mode */ if (pi->phy.curr_user_fec_req == req_fec) return 0; /* Copy the current user PHY configuration. The current user PHY * configuration is initialized during probe from PHY capabilities * software mode, and updated on set PHY configuration. */ memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); ice_cfg_phy_fec(pi, &config, req_fec); config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) return -EAGAIN; /* Save requested FEC config */ pi->phy.curr_user_fec_req = req_fec; return 0; } /** * ice_set_fecparam - Set FEC link options * @netdev: network interface device structure * @fecparam: Ethtool structure to retrieve FEC parameters */ static int ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; enum ice_fec_mode fec; switch (fecparam->fec) { case ETHTOOL_FEC_AUTO: fec = ICE_FEC_AUTO; break; case ETHTOOL_FEC_RS: fec = ICE_FEC_RS; break; case ETHTOOL_FEC_BASER: fec = ICE_FEC_BASER; break; case ETHTOOL_FEC_OFF: case ETHTOOL_FEC_NONE: fec = ICE_FEC_NONE; break; default: dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", fecparam->fec); return -EINVAL; } return ice_set_fec_cfg(netdev, fec); } /** * ice_get_fecparam - Get link FEC options * @netdev: network interface device structure * @fecparam: Ethtool structure to retrieve FEC parameters */ static int ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_aqc_get_phy_caps_data *caps; struct ice_link_status *link_info; struct ice_vsi *vsi = np->vsi; struct ice_port_info *pi; int err; pi = vsi->port_info; if (!pi) return -EOPNOTSUPP; link_info = &pi->phy.link_info; /* Set FEC mode based on negotiated link info */ switch (link_info->fec_info) { case ICE_AQ_LINK_25G_KR_FEC_EN: fecparam->active_fec = ETHTOOL_FEC_BASER; break; case ICE_AQ_LINK_25G_RS_528_FEC_EN: case ICE_AQ_LINK_25G_RS_544_FEC_EN: fecparam->active_fec = ETHTOOL_FEC_RS; break; default: fecparam->active_fec = ETHTOOL_FEC_OFF; break; } caps = kzalloc(sizeof(*caps), GFP_KERNEL); if (!caps) return -ENOMEM; err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); if (err) goto done; /* Set supported/configured FEC modes based on PHY capability */ if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) fecparam->fec |= ETHTOOL_FEC_AUTO; if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) fecparam->fec |= ETHTOOL_FEC_BASER; if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) fecparam->fec |= ETHTOOL_FEC_RS; if (caps->link_fec_options == 0) fecparam->fec |= ETHTOOL_FEC_OFF; done: kfree(caps); return err; } /** * ice_nway_reset - restart autonegotiation * @netdev: network interface device structure */ static int ice_nway_reset(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; int err; /* If VSI state is up, then restart autoneg with link up */ if (!test_bit(ICE_DOWN, vsi->back->state)) err = ice_set_link(vsi, true); else err = ice_set_link(vsi, false); return err; } /** * ice_get_priv_flags - report device private flags * @netdev: network interface device structure * * The get string set count and the string set should be matched for each * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags * array. * * Returns a u32 bitmap of flags. */ static u32 ice_get_priv_flags(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; u32 i, ret_flags = 0; for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { const struct ice_priv_flag *priv_flag; priv_flag = &ice_gstrings_priv_flags[i]; if (test_bit(priv_flag->bitno, pf->flags)) ret_flags |= BIT(i); } return ret_flags; } /** * ice_set_priv_flags - set private flags * @netdev: network interface device structure * @flags: bit flags to be set */ static int ice_set_priv_flags(struct net_device *netdev, u32 flags) { struct ice_netdev_priv *np = netdev_priv(netdev); DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; struct device *dev; int ret = 0; u32 i; if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) return -EINVAL; dev = ice_pf_to_dev(pf); set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { const struct ice_priv_flag *priv_flag; priv_flag = &ice_gstrings_priv_flags[i]; if (flags & BIT(i)) set_bit(priv_flag->bitno, pf->flags); else clear_bit(priv_flag->bitno, pf->flags); } bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); /* Do not allow change to link-down-on-close when Total Port Shutdown * is enabled. */ if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { dev_err(dev, "Setting link-down-on-close not supported on this port\n"); set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); ret = -EINVAL; goto ethtool_exit; } if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { int status; /* Disable FW LLDP engine */ status = ice_cfg_lldp_mib_change(&pf->hw, false); /* If unregistering for LLDP events fails, this is * not an error state, as there shouldn't be any * events to respond to. */ if (status) dev_info(dev, "Failed to unreg for LLDP events\n"); /* The AQ call to stop the FW LLDP agent will generate * an error if the agent is already stopped. */ status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); if (status) dev_warn(dev, "Fail to stop LLDP agent\n"); /* Use case for having the FW LLDP agent stopped * will likely not need DCB, so failure to init is * not a concern of ethtool */ status = ice_init_pf_dcb(pf, true); if (status) dev_warn(dev, "Fail to init DCB\n"); pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; pf->dcbx_cap |= DCB_CAP_DCBX_HOST; } else { bool dcbx_agent_status; int status; if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); ret = -EOPNOTSUPP; goto ethtool_exit; } /* Remove rule to direct LLDP packets to default VSI. * The FW LLDP engine will now be consuming them. */ ice_cfg_sw_lldp(vsi, false, false); /* AQ command to start FW LLDP agent will return an * error if the agent is already started */ status = ice_aq_start_lldp(&pf->hw, true, NULL); if (status) dev_warn(dev, "Fail to start LLDP Agent\n"); /* AQ command to start FW DCBX agent will fail if * the agent is already started */ status = ice_aq_start_stop_dcbx(&pf->hw, true, &dcbx_agent_status, NULL); if (status) dev_dbg(dev, "Failed to start FW DCBX\n"); dev_info(dev, "FW DCBX agent is %s\n", dcbx_agent_status ? "ACTIVE" : "DISABLED"); /* Failure to configure MIB change or init DCB is not * relevant to ethtool. Print notification that * registration/init failed but do not return error * state to ethtool */ status = ice_init_pf_dcb(pf, true); if (status) dev_dbg(dev, "Fail to init DCB\n"); /* Register for MIB change events */ status = ice_cfg_lldp_mib_change(&pf->hw, true); if (status) dev_dbg(dev, "Fail to enable MIB change events\n"); pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; ice_nway_reset(netdev); } } if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { /* down and up VSI so that changes of Rx cfg are reflected. */ ice_down_up(vsi); } /* don't allow modification of this flag when a single VF is in * promiscuous mode because it's not supported */ if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && ice_is_any_vf_in_unicast_promisc(pf)) { dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); /* toggle bit back to previous state */ change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); ret = -EAGAIN; } if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) && ice_has_vfs(pf)) { dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n"); /* toggle bit back to previous state */ change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags); ret = -EOPNOTSUPP; } ethtool_exit: clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); return ret; } static int ice_get_sset_count(struct net_device *netdev, int sset) { switch (sset) { case ETH_SS_STATS: /* The number (and order) of strings reported *must* remain * constant for a given netdevice. This function must not * report a different number based on run time parameters * (such as the number of queues in use, or the setting of * a private ethtool flag). This is due to the nature of the * ethtool stats API. * * Userspace programs such as ethtool must make 3 separate * ioctl requests, one for size, one for the strings, and * finally one for the stats. Since these cross into * userspace, changes to the number or size could result in * undefined memory access or incorrect string<->value * correlations for statistics. * * Even if it appears to be safe, changes to the size or * order of strings will suffer from race conditions and are * not safe. */ return ICE_ALL_STATS_LEN(netdev); case ETH_SS_TEST: return ICE_TEST_LEN; case ETH_SS_PRIV_FLAGS: return ICE_PRIV_FLAG_ARRAY_SIZE; default: return -EOPNOTSUPP; } } static void __ice_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats __always_unused *stats, u64 *data, struct ice_vsi *vsi) { struct ice_pf *pf = vsi->back; struct ice_tx_ring *tx_ring; struct ice_rx_ring *rx_ring; unsigned int j; int i = 0; char *p; ice_update_pf_stats(pf); ice_update_vsi_stats(vsi); for (j = 0; j < ICE_VSI_STATS_LEN; j++) { p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == sizeof(u64)) ? *(u64 *)p : *(u32 *)p; } if (ice_is_port_repr_netdev(netdev)) return; /* populate per queue stats */ rcu_read_lock(); ice_for_each_alloc_txq(vsi, j) { tx_ring = READ_ONCE(vsi->tx_rings[j]); if (tx_ring && tx_ring->ring_stats) { data[i++] = tx_ring->ring_stats->stats.pkts; data[i++] = tx_ring->ring_stats->stats.bytes; } else { data[i++] = 0; data[i++] = 0; } } ice_for_each_alloc_rxq(vsi, j) { rx_ring = READ_ONCE(vsi->rx_rings[j]); if (rx_ring && rx_ring->ring_stats) { data[i++] = rx_ring->ring_stats->stats.pkts; data[i++] = rx_ring->ring_stats->stats.bytes; } else { data[i++] = 0; data[i++] = 0; } } rcu_read_unlock(); if (vsi->type != ICE_VSI_PF) return; for (j = 0; j < ICE_PF_STATS_LEN; j++) { p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == sizeof(u64)) ? *(u64 *)p : *(u32 *)p; } for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { data[i++] = pf->stats.priority_xon_tx[j]; data[i++] = pf->stats.priority_xoff_tx[j]; } for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { data[i++] = pf->stats.priority_xon_rx[j]; data[i++] = pf->stats.priority_xoff_rx[j]; } } static void ice_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats __always_unused *stats, u64 *data) { struct ice_netdev_priv *np = netdev_priv(netdev); __ice_get_ethtool_stats(netdev, stats, data, np->vsi); } #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ ICE_PHY_TYPE_LOW_100M_SGMII) #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ ICE_PHY_TYPE_LOW_1000BASE_T | \ ICE_PHY_TYPE_LOW_1000BASE_SX | \ ICE_PHY_TYPE_LOW_1000BASE_LX | \ ICE_PHY_TYPE_LOW_1000BASE_KX | \ ICE_PHY_TYPE_LOW_1G_SGMII | \ ICE_PHY_TYPE_LOW_2500BASE_T | \ ICE_PHY_TYPE_LOW_2500BASE_X | \ ICE_PHY_TYPE_LOW_2500BASE_KX | \ ICE_PHY_TYPE_LOW_5GBASE_T | \ ICE_PHY_TYPE_LOW_5GBASE_KR | \ ICE_PHY_TYPE_LOW_10GBASE_T | \ ICE_PHY_TYPE_LOW_10G_SFI_DA | \ ICE_PHY_TYPE_LOW_10GBASE_SR | \ ICE_PHY_TYPE_LOW_10GBASE_LR | \ ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ ICE_PHY_TYPE_LOW_10G_SFI_C2C) #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ ICE_PHY_TYPE_LOW_100G_CAUI4 | \ ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ ICE_PHY_TYPE_LOW_100G_AUI4 | \ ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ ICE_PHY_TYPE_LOW_100GBASE_DR) #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ ICE_PHY_TYPE_HIGH_100G_AUI2) #define ICE_PHY_TYPE_HIGH_MASK_200G (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \ ICE_PHY_TYPE_HIGH_200G_SR4 | \ ICE_PHY_TYPE_HIGH_200G_FR4 | \ ICE_PHY_TYPE_HIGH_200G_LR4 | \ ICE_PHY_TYPE_HIGH_200G_DR4 | \ ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \ ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \ ICE_PHY_TYPE_HIGH_200G_AUI4) /** * ice_mask_min_supported_speeds * @hw: pointer to the HW structure * @phy_types_high: PHY type high * @phy_types_low: PHY type low to apply minimum supported speeds mask * * Apply minimum supported speeds mask to PHY type low. These are the speeds * for ethtool supported link mode. */ static void ice_mask_min_supported_speeds(struct ice_hw *hw, u64 phy_types_high, u64 *phy_types_low) { /* if QSFP connection with 100G speed, minimum supported speed is 25G */ if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) || (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) || (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G)) *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; else if (!ice_is_100m_speed_supported(hw)) *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; } /** * ice_linkmode_set_bit - set link mode bit * @phy_to_ethtool: PHY type to ethtool link mode struct to set * @ks: ethtool link ksettings struct to fill out * @req_speeds: speed requested by user * @advert_phy_type: advertised PHY type * @phy_type: PHY type */ static void ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool, struct ethtool_link_ksettings *ks, u32 req_speeds, u64 advert_phy_type, u32 phy_type) { linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported); if (req_speeds & phy_to_ethtool->aq_link_speed || (!req_speeds && advert_phy_type & BIT(phy_type))) linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.advertising); } /** * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes * @netdev: network interface device structure * @ks: ethtool link ksettings struct to fill out */ static void ice_phy_type_to_ethtool(struct net_device *netdev, struct ethtool_link_ksettings *ks) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; u64 advert_phy_type_lo = 0; u64 advert_phy_type_hi = 0; u64 phy_types_high = 0; u64 phy_types_low = 0; u32 req_speeds; u32 i; req_speeds = vsi->port_info->phy.link_info.req_speeds; /* Check if lenient mode is supported and enabled, or in strict mode. * * In lenient mode the Supported link modes are the PHY types without * media. The Advertising link mode is either 1. the user requested * speed, 2. the override PHY mask, or 3. the PHY types with media. * * In strict mode Supported link mode are the PHY type with media, * and Advertising link modes are the media PHY type or the speed * requested by user. */ if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); ice_mask_min_supported_speeds(&pf->hw, phy_types_high, &phy_types_low); /* determine advertised modes based on link override only * if it's supported and if the FW doesn't abstract the * driver from having to account for link overrides */ if (ice_fw_supports_link_override(&pf->hw) && !ice_fw_supports_report_dflt_cfg(&pf->hw)) { struct ice_link_default_override_tlv *ldo; ldo = &pf->link_dflt_override; /* If override enabled and PHY mask set, then * Advertising link mode is the intersection of the PHY * types without media and the override PHY mask. */ if (ldo->options & ICE_LINK_OVERRIDE_EN && (ldo->phy_type_low || ldo->phy_type_high)) { advert_phy_type_lo = le64_to_cpu(pf->nvm_phy_type_lo) & ldo->phy_type_low; advert_phy_type_hi = le64_to_cpu(pf->nvm_phy_type_hi) & ldo->phy_type_high; } } } else { /* strict mode */ phy_types_low = vsi->port_info->phy.phy_type_low; phy_types_high = vsi->port_info->phy.phy_type_high; } /* If Advertising link mode PHY type is not using override PHY type, * then use PHY type with media. */ if (!advert_phy_type_lo && !advert_phy_type_hi) { advert_phy_type_lo = vsi->port_info->phy.phy_type_low; advert_phy_type_hi = vsi->port_info->phy.phy_type_high; } linkmode_zero(ks->link_modes.supported); linkmode_zero(ks->link_modes.advertising); for (i = 0; i < ARRAY_SIZE(phy_type_low_lkup); i++) { if (phy_types_low & BIT_ULL(i)) ice_linkmode_set_bit(&phy_type_low_lkup[i], ks, req_speeds, advert_phy_type_lo, i); } for (i = 0; i < ARRAY_SIZE(phy_type_high_lkup); i++) { if (phy_types_high & BIT_ULL(i)) ice_linkmode_set_bit(&phy_type_high_lkup[i], ks, req_speeds, advert_phy_type_hi, i); } } #define TEST_SET_BITS_TIMEOUT 50 #define TEST_SET_BITS_SLEEP_MAX 2000 #define TEST_SET_BITS_SLEEP_MIN 1000 /** * ice_get_settings_link_up - Get Link settings for when link is up * @ks: ethtool ksettings to fill in * @netdev: network interface device structure */ static void ice_get_settings_link_up(struct ethtool_link_ksettings *ks, struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_port_info *pi = np->vsi->port_info; struct ice_link_status *link_info; struct ice_vsi *vsi = np->vsi; link_info = &vsi->port_info->phy.link_info; /* Get supported and advertised settings from PHY ability with media */ ice_phy_type_to_ethtool(netdev, ks); switch (link_info->link_speed) { case ICE_AQ_LINK_SPEED_200GB: ks->base.speed = SPEED_200000; break; case ICE_AQ_LINK_SPEED_100GB: ks->base.speed = SPEED_100000; break; case ICE_AQ_LINK_SPEED_50GB: ks->base.speed = SPEED_50000; break; case ICE_AQ_LINK_SPEED_40GB: ks->base.speed = SPEED_40000; break; case ICE_AQ_LINK_SPEED_25GB: ks->base.speed = SPEED_25000; break; case ICE_AQ_LINK_SPEED_20GB: ks->base.speed = SPEED_20000; break; case ICE_AQ_LINK_SPEED_10GB: ks->base.speed = SPEED_10000; break; case ICE_AQ_LINK_SPEED_5GB: ks->base.speed = SPEED_5000; break; case ICE_AQ_LINK_SPEED_2500MB: ks->base.speed = SPEED_2500; break; case ICE_AQ_LINK_SPEED_1000MB: ks->base.speed = SPEED_1000; break; case ICE_AQ_LINK_SPEED_100MB: ks->base.speed = SPEED_100; break; default: netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", link_info->link_speed); break; } ks->base.duplex = DUPLEX_FULL; if (link_info->an_info & ICE_AQ_AN_COMPLETED) ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Autoneg); /* Set flow control negotiated Rx/Tx pause */ switch (pi->fc.current_mode) { case ICE_FC_FULL: ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); break; case ICE_FC_TX_PAUSE: ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Asym_Pause); break; case ICE_FC_RX_PAUSE: ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Asym_Pause); break; case ICE_FC_PFC: default: ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Asym_Pause); break; } } /** * ice_get_settings_link_down - Get the Link settings when link is down * @ks: ethtool ksettings to fill in * @netdev: network interface device structure * * Reports link settings that can be determined when link is down */ static void ice_get_settings_link_down(struct ethtool_link_ksettings *ks, struct net_device *netdev) { /* link is down and the driver needs to fall back on * supported PHY types to figure out what info to display */ ice_phy_type_to_ethtool(netdev, ks); /* With no link, speed and duplex are unknown */ ks->base.speed = SPEED_UNKNOWN; ks->base.duplex = DUPLEX_UNKNOWN; } /** * ice_get_link_ksettings - Get Link Speed and Duplex settings * @netdev: network interface device structure * @ks: ethtool ksettings * * Reports speed/duplex settings based on media_type */ static int ice_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *ks) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_aqc_get_phy_caps_data *caps; struct ice_link_status *hw_link_info; struct ice_vsi *vsi = np->vsi; int err; ethtool_link_ksettings_zero_link_mode(ks, supported); ethtool_link_ksettings_zero_link_mode(ks, advertising); ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); hw_link_info = &vsi->port_info->phy.link_info; /* set speed and duplex */ if (hw_link_info->link_info & ICE_AQ_LINK_UP) ice_get_settings_link_up(ks, netdev); else ice_get_settings_link_down(ks, netdev); /* set autoneg settings */ ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? AUTONEG_ENABLE : AUTONEG_DISABLE; /* set media type settings */ switch (vsi->port_info->phy.media_type) { case ICE_MEDIA_FIBER: ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); ks->base.port = PORT_FIBRE; break; case ICE_MEDIA_BASET: ethtool_link_ksettings_add_link_mode(ks, supported, TP); ethtool_link_ksettings_add_link_mode(ks, advertising, TP); ks->base.port = PORT_TP; break; case ICE_MEDIA_BACKPLANE: ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); ethtool_link_ksettings_add_link_mode(ks, advertising, Backplane); ks->base.port = PORT_NONE; break; case ICE_MEDIA_DA: ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); ks->base.port = PORT_DA; break; default: ks->base.port = PORT_OTHER; break; } /* flow control is symmetric and always supported */ ethtool_link_ksettings_add_link_mode(ks, supported, Pause); caps = kzalloc(sizeof(*caps), GFP_KERNEL); if (!caps) return -ENOMEM; err = ice_aq_get_phy_caps(vsi->port_info, false, ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); if (err) goto done; /* Set the advertised flow control based on the PHY capability */ if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); ethtool_link_ksettings_add_link_mode(ks, advertising, Asym_Pause); } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { ethtool_link_ksettings_add_link_mode(ks, advertising, Asym_Pause); } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); ethtool_link_ksettings_add_link_mode(ks, advertising, Asym_Pause); } else { ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); ethtool_link_ksettings_del_link_mode(ks, advertising, Asym_Pause); } /* Set advertised FEC modes based on PHY capability */ ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_BASER); if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); err = ice_aq_get_phy_caps(vsi->port_info, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); if (err) goto done; /* Set supported FEC modes based on PHY capability */ ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); /* Set supported and advertised autoneg */ if (ice_is_phy_caps_an_enabled(caps)) { ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); } done: kfree(caps); return err; } /** * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed * @speed: ethtool forced speed */ static u16 ice_speed_to_aq_link(int speed) { int aq_speed; switch (speed) { case SPEED_10: aq_speed = ICE_AQ_LINK_SPEED_10MB; break; case SPEED_100: aq_speed = ICE_AQ_LINK_SPEED_100MB; break; case SPEED_1000: aq_speed = ICE_AQ_LINK_SPEED_1000MB; break; case SPEED_2500: aq_speed = ICE_AQ_LINK_SPEED_2500MB; break; case SPEED_5000: aq_speed = ICE_AQ_LINK_SPEED_5GB; break; case SPEED_10000: aq_speed = ICE_AQ_LINK_SPEED_10GB; break; case SPEED_20000: aq_speed = ICE_AQ_LINK_SPEED_20GB; break; case SPEED_25000: aq_speed = ICE_AQ_LINK_SPEED_25GB; break; case SPEED_40000: aq_speed = ICE_AQ_LINK_SPEED_40GB; break; case SPEED_50000: aq_speed = ICE_AQ_LINK_SPEED_50GB; break; case SPEED_100000: aq_speed = ICE_AQ_LINK_SPEED_100GB; break; default: aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN; break; } return aq_speed; } /** * ice_ksettings_find_adv_link_speed - Find advertising link speed * @ks: ethtool ksettings */ static u16 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) { const struct ethtool_forced_speed_map *map; u16 adv_link_speed = 0; for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) { map = ice_adv_lnk_speed_maps + i; if (linkmode_intersects(ks->link_modes.advertising, map->caps)) adv_link_speed |= ice_speed_to_aq_link(map->speed); } return adv_link_speed; } /** * ice_setup_autoneg * @p: port info * @ks: ethtool_link_ksettings * @config: configuration that will be sent down to FW * @autoneg_enabled: autonegotiation is enabled or not * @autoneg_changed: will there a change in autonegotiation * @netdev: network interface device structure * * Setup PHY autonegotiation feature */ static int ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, struct ice_aqc_set_phy_cfg_data *config, u8 autoneg_enabled, u8 *autoneg_changed, struct net_device *netdev) { int err = 0; *autoneg_changed = 0; /* Check autoneg */ if (autoneg_enabled == AUTONEG_ENABLE) { /* If autoneg was not already enabled */ if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { /* If autoneg is not supported, return error */ if (!ethtool_link_ksettings_test_link_mode(ks, supported, Autoneg)) { netdev_info(netdev, "Autoneg not supported on this phy.\n"); err = -EINVAL; } else { /* Autoneg is allowed to change */ config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; *autoneg_changed = 1; } } } else { /* If autoneg is currently enabled */ if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { /* If autoneg is supported 10GBASE_T is the only PHY * that can disable it, so otherwise return error */ if (ethtool_link_ksettings_test_link_mode(ks, supported, Autoneg)) { netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); err = -EINVAL; } else { /* Autoneg is allowed to change */ config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; *autoneg_changed = 1; } } } return err; } /** * ice_set_phy_type_from_speed - set phy_types based on speeds * and advertised modes * @ks: ethtool link ksettings struct * @phy_type_low: pointer to the lower part of phy_type * @phy_type_high: pointer to the higher part of phy_type * @adv_link_speed: targeted link speeds bitmap */ static void ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks, u64 *phy_type_low, u64 *phy_type_high, u16 adv_link_speed) { /* Handle 1000M speed in a special way because ice_update_phy_type * enables all link modes, but having mixed copper and optical * standards is not supported. */ adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 1000baseT_Full)) *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T | ICE_PHY_TYPE_LOW_1G_SGMII; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 1000baseKX_Full)) *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX; if (ethtool_link_ksettings_test_link_mode(ks, advertising, 1000baseX_Full)) *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX | ICE_PHY_TYPE_LOW_1000BASE_LX; ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed); } /** * ice_set_link_ksettings - Set Speed and Duplex * @netdev: network interface device structure * @ks: ethtool ksettings * * Set speed/duplex per media_types advertised/forced */ static int ice_set_link_ksettings(struct net_device *netdev, const struct ethtool_link_ksettings *ks) { struct ice_netdev_priv *np = netdev_priv(netdev); u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; struct ethtool_link_ksettings copy_ks = *ks; struct ethtool_link_ksettings safe_ks = {}; struct ice_aqc_get_phy_caps_data *phy_caps; struct ice_aqc_set_phy_cfg_data config; u16 adv_link_speed, curr_link_speed; struct ice_pf *pf = np->vsi->back; struct ice_port_info *pi; u8 autoneg_changed = 0; u64 phy_type_high = 0; u64 phy_type_low = 0; bool linkup; int err; pi = np->vsi->port_info; if (!pi) return -EIO; if (pi->phy.media_type != ICE_MEDIA_BASET && pi->phy.media_type != ICE_MEDIA_FIBER && pi->phy.media_type != ICE_MEDIA_BACKPLANE && pi->phy.media_type != ICE_MEDIA_DA && pi->phy.link_info.link_info & ICE_AQ_LINK_UP) return -EOPNOTSUPP; phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); if (!phy_caps) return -ENOMEM; /* Get the PHY capabilities based on media */ if (ice_fw_supports_report_dflt_cfg(pi->hw)) err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, phy_caps, NULL); else err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, phy_caps, NULL); if (err) goto done; /* save autoneg out of ksettings */ autoneg = copy_ks.base.autoneg; /* Get link modes supported by hardware.*/ ice_phy_type_to_ethtool(netdev, &safe_ks); /* and check against modes requested by user. * Return an error if unsupported mode was set. */ if (!bitmap_subset(copy_ks.link_modes.advertising, safe_ks.link_modes.supported, __ETHTOOL_LINK_MODE_MASK_NBITS)) { if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 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"); err = -EOPNOTSUPP; goto done; } /* get our own copy of the bits to check against */ memset(&safe_ks, 0, sizeof(safe_ks)); safe_ks.base.cmd = copy_ks.base.cmd; safe_ks.base.link_mode_masks_nwords = copy_ks.base.link_mode_masks_nwords; ice_get_link_ksettings(netdev, &safe_ks); /* set autoneg back to what it currently is */ copy_ks.base.autoneg = safe_ks.base.autoneg; /* we don't compare the speed */ copy_ks.base.speed = safe_ks.base.speed; /* If copy_ks.base and safe_ks.base are not the same now, then they are * trying to set something that we do not support. */ if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { err = -EOPNOTSUPP; goto done; } while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { timeout--; if (!timeout) { err = -EBUSY; goto done; } usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); } /* Copy the current user PHY configuration. The current user PHY * configuration is initialized during probe from PHY capabilities * software mode, and updated on set PHY configuration. */ config = pi->phy.curr_user_phy_cfg; config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; /* Check autoneg */ err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, netdev); if (err) goto done; /* Call to get the current link speed */ pi->phy.get_link_info = true; err = ice_get_link_status(pi, &linkup); if (err) goto done; curr_link_speed = pi->phy.curr_user_speed_req; adv_link_speed = ice_ksettings_find_adv_link_speed(ks); /* If speed didn't get set, set it to what it currently is. * This is needed because if advertise is 0 (as it is when autoneg * is disabled) then speed won't get set. */ if (!adv_link_speed) adv_link_speed = curr_link_speed; /* Convert the advertise link speeds to their corresponded PHY_TYPE */ ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high, adv_link_speed); if (!autoneg_changed && adv_link_speed == curr_link_speed) { netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); goto done; } /* save the requested speeds */ pi->phy.link_info.req_speeds = adv_link_speed; /* set link and auto negotiation so changes take effect */ config.caps |= ICE_AQ_PHY_ENA_LINK; /* check if there is a PHY type for the requested advertised speed */ if (!(phy_type_low || phy_type_high)) { 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"); err = -EOPNOTSUPP; goto done; } /* intersect requested advertised speed PHY types with media PHY types * for set PHY configuration */ config.phy_type_high = cpu_to_le64(phy_type_high) & phy_caps->phy_type_high; config.phy_type_low = cpu_to_le64(phy_type_low) & phy_caps->phy_type_low; if (!(config.phy_type_high || config.phy_type_low)) { /* If there is no intersection and lenient mode is enabled, then * intersect the requested advertised speed with NVM media type * PHY types. */ if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { config.phy_type_high = cpu_to_le64(phy_type_high) & pf->nvm_phy_type_hi; config.phy_type_low = cpu_to_le64(phy_type_low) & pf->nvm_phy_type_lo; } else { 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"); err = -EOPNOTSUPP; goto done; } } /* If link is up put link down */ if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { /* Tell the OS link is going down, the link will go * back up when fw says it is ready asynchronously */ ice_print_link_msg(np->vsi, false); netif_carrier_off(netdev); netif_tx_stop_all_queues(netdev); } /* make the aq call */ err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); if (err) { netdev_info(netdev, "Set phy config failed,\n"); goto done; } /* Save speed request */ pi->phy.curr_user_speed_req = adv_link_speed; done: kfree(phy_caps); clear_bit(ICE_CFG_BUSY, pf->state); return err; } /** * ice_parse_hdrs - parses headers from RSS hash input * @nfc: ethtool rxnfc command * * This function parses the rxnfc command and returns intended * header types for RSS configuration */ static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) { u32 hdrs = ICE_FLOW_SEG_HDR_NONE; switch (nfc->flow_type) { case TCP_V4_FLOW: hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; break; case UDP_V4_FLOW: hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; break; case SCTP_V4_FLOW: hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; break; case TCP_V6_FLOW: hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; break; case UDP_V6_FLOW: hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; break; case SCTP_V6_FLOW: hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; break; default: break; } return hdrs; } /** * ice_parse_hash_flds - parses hash fields from RSS hash input * @nfc: ethtool rxnfc command * @symm: true if Symmetric Topelitz is set * * This function parses the rxnfc command and returns intended * hash fields for RSS configuration */ static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc, bool symm) { u64 hfld = ICE_HASH_INVALID; if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { switch (nfc->flow_type) { case TCP_V4_FLOW: case UDP_V4_FLOW: case SCTP_V4_FLOW: if (nfc->data & RXH_IP_SRC) hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; if (nfc->data & RXH_IP_DST) hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; break; case TCP_V6_FLOW: case UDP_V6_FLOW: case SCTP_V6_FLOW: if (nfc->data & RXH_IP_SRC) hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; if (nfc->data & RXH_IP_DST) hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; break; default: break; } } if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { switch (nfc->flow_type) { case TCP_V4_FLOW: case TCP_V6_FLOW: if (nfc->data & RXH_L4_B_0_1) hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; if (nfc->data & RXH_L4_B_2_3) hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; break; case UDP_V4_FLOW: case UDP_V6_FLOW: if (nfc->data & RXH_L4_B_0_1) hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; if (nfc->data & RXH_L4_B_2_3) hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; break; case SCTP_V4_FLOW: case SCTP_V6_FLOW: if (nfc->data & RXH_L4_B_0_1) hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; if (nfc->data & RXH_L4_B_2_3) hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; break; default: break; } } return hfld; } /** * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash * @vsi: the VSI being configured * @nfc: ethtool rxnfc command * * Returns Success if the flow input set is supported. */ static int ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) { struct ice_pf *pf = vsi->back; struct ice_rss_hash_cfg cfg; struct device *dev; u64 hashed_flds; int status; bool symm; u32 hdrs; dev = ice_pf_to_dev(pf); if (ice_is_safe_mode(pf)) { dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", vsi->vsi_num); return -EINVAL; } symm = !!(vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ); hashed_flds = ice_parse_hash_flds(nfc, symm); if (hashed_flds == ICE_HASH_INVALID) { dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", vsi->vsi_num); return -EINVAL; } hdrs = ice_parse_hdrs(nfc); if (hdrs == ICE_FLOW_SEG_HDR_NONE) { dev_dbg(dev, "Header type is not valid, vsi num = %d\n", vsi->vsi_num); return -EINVAL; } cfg.hash_flds = hashed_flds; cfg.addl_hdrs = hdrs; cfg.hdr_type = ICE_RSS_ANY_HEADERS; cfg.symm = symm; status = ice_add_rss_cfg(&pf->hw, vsi, &cfg); if (status) { dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n", vsi->vsi_num, status); return status; } return 0; } /** * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type * @vsi: the VSI being configured * @nfc: ethtool rxnfc command */ static void ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) { struct ice_pf *pf = vsi->back; struct device *dev; u64 hash_flds; bool symm; u32 hdrs; dev = ice_pf_to_dev(pf); nfc->data = 0; if (ice_is_safe_mode(pf)) { dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", vsi->vsi_num); return; } hdrs = ice_parse_hdrs(nfc); if (hdrs == ICE_FLOW_SEG_HDR_NONE) { dev_dbg(dev, "Header type is not valid, vsi num = %d\n", vsi->vsi_num); return; } hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs, &symm); if (hash_flds == ICE_HASH_INVALID) { dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", vsi->vsi_num); return; } if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) nfc->data |= (u64)RXH_IP_SRC; if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) nfc->data |= (u64)RXH_IP_DST; if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) nfc->data |= (u64)RXH_L4_B_0_1; if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) nfc->data |= (u64)RXH_L4_B_2_3; } /** * ice_set_rxnfc - command to set Rx flow rules. * @netdev: network interface device structure * @cmd: ethtool rxnfc command * * Returns 0 for success and negative values for errors */ static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; switch (cmd->cmd) { case ETHTOOL_SRXCLSRLINS: return ice_add_fdir_ethtool(vsi, cmd); case ETHTOOL_SRXCLSRLDEL: return ice_del_fdir_ethtool(vsi, cmd); case ETHTOOL_SRXFH: return ice_set_rss_hash_opt(vsi, cmd); default: break; } return -EOPNOTSUPP; } /** * ice_get_rxnfc - command to get Rx flow classification rules * @netdev: network interface device structure * @cmd: ethtool rxnfc command * @rule_locs: buffer to rturn Rx flow classification rules * * Returns Success if the command is supported. */ static int ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, u32 __always_unused *rule_locs) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; int ret = -EOPNOTSUPP; struct ice_hw *hw; hw = &vsi->back->hw; switch (cmd->cmd) { case ETHTOOL_GRXRINGS: cmd->data = vsi->rss_size; ret = 0; break; case ETHTOOL_GRXCLSRLCNT: cmd->rule_cnt = hw->fdir_active_fltr; /* report total rule count */ cmd->data = ice_get_fdir_cnt_all(hw); ret = 0; break; case ETHTOOL_GRXCLSRULE: ret = ice_get_ethtool_fdir_entry(hw, cmd); break; case ETHTOOL_GRXCLSRLALL: ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); break; case ETHTOOL_GRXFH: ice_get_rss_hash_opt(vsi, cmd); ret = 0; break; default: break; } return ret; } static void ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, struct kernel_ethtool_ringparam *kernel_ring, struct netlink_ext_ack *extack) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; ring->rx_max_pending = ICE_MAX_NUM_DESC; ring->tx_max_pending = ICE_MAX_NUM_DESC; if (vsi->tx_rings && vsi->rx_rings) { ring->rx_pending = vsi->rx_rings[0]->count; ring->tx_pending = vsi->tx_rings[0]->count; } else { ring->rx_pending = 0; ring->tx_pending = 0; } /* Rx mini and jumbo rings are not supported */ ring->rx_mini_max_pending = 0; ring->rx_jumbo_max_pending = 0; ring->rx_mini_pending = 0; ring->rx_jumbo_pending = 0; } static int ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, struct kernel_ethtool_ringparam *kernel_ring, struct netlink_ext_ack *extack) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_tx_ring *xdp_rings = NULL; struct ice_tx_ring *tx_rings = NULL; struct ice_rx_ring *rx_rings = NULL; struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; int i, timeout = 50, err = 0; u16 new_rx_cnt, new_tx_cnt; if (ring->tx_pending > ICE_MAX_NUM_DESC || ring->tx_pending < ICE_MIN_NUM_DESC || ring->rx_pending > ICE_MAX_NUM_DESC || ring->rx_pending < ICE_MIN_NUM_DESC) { netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", ring->tx_pending, ring->rx_pending, ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, ICE_REQ_DESC_MULTIPLE); return -EINVAL; } /* Return if there is no rings (device is reloading) */ if (!vsi->tx_rings || !vsi->rx_rings) return -EBUSY; new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); if (new_tx_cnt != ring->tx_pending) netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", new_tx_cnt); new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); if (new_rx_cnt != ring->rx_pending) netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", new_rx_cnt); /* if nothing to do return success */ if (new_tx_cnt == vsi->tx_rings[0]->count && new_rx_cnt == vsi->rx_rings[0]->count) { netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); return 0; } /* If there is a AF_XDP UMEM attached to any of Rx rings, * disallow changing the number of descriptors -- regardless * if the netdev is running or not. */ if (ice_xsk_any_rx_ring_ena(vsi)) return -EBUSY; while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { timeout--; if (!timeout) return -EBUSY; usleep_range(1000, 2000); } /* set for the next time the netdev is started */ if (!netif_running(vsi->netdev)) { ice_for_each_alloc_txq(vsi, i) vsi->tx_rings[i]->count = new_tx_cnt; ice_for_each_alloc_rxq(vsi, i) vsi->rx_rings[i]->count = new_rx_cnt; if (ice_is_xdp_ena_vsi(vsi)) ice_for_each_xdp_txq(vsi, i) vsi->xdp_rings[i]->count = new_tx_cnt; vsi->num_tx_desc = (u16)new_tx_cnt; vsi->num_rx_desc = (u16)new_rx_cnt; netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); goto done; } if (new_tx_cnt == vsi->tx_rings[0]->count) goto process_rx; /* alloc updated Tx resources */ netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", vsi->tx_rings[0]->count, new_tx_cnt); tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); if (!tx_rings) { err = -ENOMEM; goto done; } ice_for_each_txq(vsi, i) { /* clone ring and setup updated count */ tx_rings[i] = *vsi->tx_rings[i]; tx_rings[i].count = new_tx_cnt; tx_rings[i].desc = NULL; tx_rings[i].tx_buf = NULL; tx_rings[i].tx_tstamps = &pf->ptp.port.tx; err = ice_setup_tx_ring(&tx_rings[i]); if (err) { while (i--) ice_clean_tx_ring(&tx_rings[i]); kfree(tx_rings); goto done; } } if (!ice_is_xdp_ena_vsi(vsi)) goto process_rx; /* alloc updated XDP resources */ netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", vsi->xdp_rings[0]->count, new_tx_cnt); xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); if (!xdp_rings) { err = -ENOMEM; goto free_tx; } ice_for_each_xdp_txq(vsi, i) { /* clone ring and setup updated count */ xdp_rings[i] = *vsi->xdp_rings[i]; xdp_rings[i].count = new_tx_cnt; xdp_rings[i].desc = NULL; xdp_rings[i].tx_buf = NULL; err = ice_setup_tx_ring(&xdp_rings[i]); if (err) { while (i--) ice_clean_tx_ring(&xdp_rings[i]); kfree(xdp_rings); goto free_tx; } ice_set_ring_xdp(&xdp_rings[i]); } process_rx: if (new_rx_cnt == vsi->rx_rings[0]->count) goto process_link; /* alloc updated Rx resources */ netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", vsi->rx_rings[0]->count, new_rx_cnt); rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); if (!rx_rings) { err = -ENOMEM; goto done; } ice_for_each_rxq(vsi, i) { /* clone ring and setup updated count */ rx_rings[i] = *vsi->rx_rings[i]; rx_rings[i].count = new_rx_cnt; rx_rings[i].cached_phctime = pf->ptp.cached_phc_time; rx_rings[i].desc = NULL; rx_rings[i].rx_buf = NULL; /* this is to allow wr32 to have something to write to * during early allocation of Rx buffers */ rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; err = ice_setup_rx_ring(&rx_rings[i]); if (err) goto rx_unwind; /* allocate Rx buffers */ err = ice_alloc_rx_bufs(&rx_rings[i], ICE_RX_DESC_UNUSED(&rx_rings[i])); rx_unwind: if (err) { while (i) { i--; ice_free_rx_ring(&rx_rings[i]); } kfree(rx_rings); err = -ENOMEM; goto free_tx; } } process_link: /* Bring interface down, copy in the new ring info, then restore the * interface. if VSI is up, bring it down and then back up */ if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { ice_down(vsi); if (tx_rings) { ice_for_each_txq(vsi, i) { ice_free_tx_ring(vsi->tx_rings[i]); *vsi->tx_rings[i] = tx_rings[i]; } kfree(tx_rings); } if (rx_rings) { ice_for_each_rxq(vsi, i) { ice_free_rx_ring(vsi->rx_rings[i]); /* copy the real tail offset */ rx_rings[i].tail = vsi->rx_rings[i]->tail; /* this is to fake out the allocation routine * into thinking it has to realloc everything * but the recycling logic will let us re-use * the buffers allocated above */ rx_rings[i].next_to_use = 0; rx_rings[i].next_to_clean = 0; rx_rings[i].next_to_alloc = 0; *vsi->rx_rings[i] = rx_rings[i]; } kfree(rx_rings); } if (xdp_rings) { ice_for_each_xdp_txq(vsi, i) { ice_free_tx_ring(vsi->xdp_rings[i]); *vsi->xdp_rings[i] = xdp_rings[i]; } kfree(xdp_rings); } vsi->num_tx_desc = new_tx_cnt; vsi->num_rx_desc = new_rx_cnt; ice_up(vsi); } goto done; free_tx: /* error cleanup if the Rx allocations failed after getting Tx */ if (tx_rings) { ice_for_each_txq(vsi, i) ice_free_tx_ring(&tx_rings[i]); kfree(tx_rings); } done: clear_bit(ICE_CFG_BUSY, pf->state); return err; } /** * ice_get_pauseparam - Get Flow Control status * @netdev: network interface device structure * @pause: ethernet pause (flow control) parameters * * Get requested flow control status from PHY capability. * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report * the negotiated Rx/Tx pause via lp_advertising. */ static void ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_port_info *pi = np->vsi->port_info; struct ice_aqc_get_phy_caps_data *pcaps; struct ice_dcbx_cfg *dcbx_cfg; int status; /* Initialize pause params */ pause->rx_pause = 0; pause->tx_pause = 0; dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); if (!pcaps) return; /* Get current PHY config */ status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, NULL); if (status) goto out; pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : AUTONEG_DISABLE; if (dcbx_cfg->pfc.pfcena) /* PFC enabled so report LFC as off */ goto out; if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) pause->tx_pause = 1; if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) pause->rx_pause = 1; out: kfree(pcaps); } /** * ice_set_pauseparam - Set Flow Control parameter * @netdev: network interface device structure * @pause: return Tx/Rx flow control status */ static int ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_aqc_get_phy_caps_data *pcaps; struct ice_link_status *hw_link_info; struct ice_pf *pf = np->vsi->back; struct ice_dcbx_cfg *dcbx_cfg; struct ice_vsi *vsi = np->vsi; struct ice_hw *hw = &pf->hw; struct ice_port_info *pi; u8 aq_failures; bool link_up; u32 is_an; int err; pi = vsi->port_info; hw_link_info = &pi->phy.link_info; dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; /* Changing the port's flow control is not supported if this isn't the * PF VSI */ if (vsi->type != ICE_VSI_PF) { netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); return -EOPNOTSUPP; } /* Get pause param reports configured and negotiated flow control pause * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is * defined get pause param pause->autoneg reports SW configured setting, * so compare pause->autoneg with SW configured to prevent the user from * using set pause param to chance autoneg. */ pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); if (!pcaps) return -ENOMEM; /* Get current PHY config */ err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, NULL); if (err) { kfree(pcaps); return err; } is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : AUTONEG_DISABLE; kfree(pcaps); if (pause->autoneg != is_an) { netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); return -EOPNOTSUPP; } /* If we have link and don't have autoneg */ if (!test_bit(ICE_DOWN, pf->state) && !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { /* Send message that it might not necessarily work*/ netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); } if (dcbx_cfg->pfc.pfcena) { netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); return -EOPNOTSUPP; } if (pause->rx_pause && pause->tx_pause) pi->fc.req_mode = ICE_FC_FULL; else if (pause->rx_pause && !pause->tx_pause) pi->fc.req_mode = ICE_FC_RX_PAUSE; else if (!pause->rx_pause && pause->tx_pause) pi->fc.req_mode = ICE_FC_TX_PAUSE; else if (!pause->rx_pause && !pause->tx_pause) pi->fc.req_mode = ICE_FC_NONE; else return -EINVAL; /* Set the FC mode and only restart AN if link is up */ err = ice_set_fc(pi, &aq_failures, link_up); if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n", err, ice_aq_str(hw->adminq.sq_last_status)); err = -EAGAIN; } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n", err, ice_aq_str(hw->adminq.sq_last_status)); err = -EAGAIN; } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n", err, ice_aq_str(hw->adminq.sq_last_status)); err = -EAGAIN; } return err; } /** * ice_get_rxfh_key_size - get the RSS hash key size * @netdev: network interface device structure * * Returns the table size. */ static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) { return ICE_VSIQF_HKEY_ARRAY_SIZE; } /** * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size * @netdev: network interface device structure * * Returns the table size. */ static u32 ice_get_rxfh_indir_size(struct net_device *netdev) { struct ice_netdev_priv *np = netdev_priv(netdev); return np->vsi->rss_table_size; } /** * ice_get_rxfh - get the Rx flow hash indirection table * @netdev: network interface device structure * @rxfh: pointer to param struct (indir, key, hfunc) * * Reads the indirection table directly from the hardware. */ static int ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh) { struct ice_netdev_priv *np = netdev_priv(netdev); u32 rss_context = rxfh->rss_context; struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; u16 qcount, offset; int err, num_tc, i; u8 *lut; if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { netdev_warn(netdev, "RSS is not supported on this VSI!\n"); return -EOPNOTSUPP; } if (rss_context && !ice_is_adq_active(pf)) { netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n"); return -EINVAL; } qcount = vsi->mqprio_qopt.qopt.count[rss_context]; offset = vsi->mqprio_qopt.qopt.offset[rss_context]; if (rss_context && ice_is_adq_active(pf)) { num_tc = vsi->mqprio_qopt.qopt.num_tc; if (rss_context >= num_tc) { netdev_err(netdev, "RSS context:%d > num_tc:%d\n", rss_context, num_tc); return -EINVAL; } /* Use channel VSI of given TC */ vsi = vsi->tc_map_vsi[rss_context]; } rxfh->hfunc = ETH_RSS_HASH_TOP; if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ) rxfh->input_xfrm |= RXH_XFRM_SYM_XOR; if (!rxfh->indir) return 0; lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); if (!lut) return -ENOMEM; err = ice_get_rss_key(vsi, rxfh->key); if (err) goto out; err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size); if (err) goto out; if (ice_is_adq_active(pf)) { for (i = 0; i < vsi->rss_table_size; i++) rxfh->indir[i] = offset + lut[i] % qcount; goto out; } for (i = 0; i < vsi->rss_table_size; i++) rxfh->indir[i] = lut[i]; out: kfree(lut); return err; } /** * ice_set_rxfh - set the Rx flow hash indirection table * @netdev: network interface device structure * @rxfh: pointer to param struct (indir, key, hfunc) * @extack: extended ACK from the Netlink message * * Returns -EINVAL if the table specifies an invalid queue ID, otherwise * returns 0 after programming the table. */ static int ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh, struct netlink_ext_ack *extack) { struct ice_netdev_priv *np = netdev_priv(netdev); u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ; struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; struct device *dev; int err; dev = ice_pf_to_dev(pf); if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && rxfh->hfunc != ETH_RSS_HASH_TOP) return -EOPNOTSUPP; if (rxfh->rss_context) return -EOPNOTSUPP; if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { /* RSS not supported return error here */ netdev_warn(netdev, "RSS is not configured on this VSI!\n"); return -EIO; } if (ice_is_adq_active(pf)) { netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n"); return -EOPNOTSUPP; } /* Update the VSI's hash function */ if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR) hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ; err = ice_set_rss_hfunc(vsi, hfunc); if (err) return err; if (rxfh->key) { if (!vsi->rss_hkey_user) { vsi->rss_hkey_user = devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, GFP_KERNEL); if (!vsi->rss_hkey_user) return -ENOMEM; } memcpy(vsi->rss_hkey_user, rxfh->key, ICE_VSIQF_HKEY_ARRAY_SIZE); err = ice_set_rss_key(vsi, vsi->rss_hkey_user); if (err) return err; } if (!vsi->rss_lut_user) { vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, GFP_KERNEL); if (!vsi->rss_lut_user) return -ENOMEM; } /* Each 32 bits pointed by 'indir' is stored with a lut entry */ if (rxfh->indir) { int i; for (i = 0; i < vsi->rss_table_size; i++) vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]); } else { ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, vsi->rss_size); } err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); if (err) return err; return 0; } static int ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) { struct ice_pf *pf = ice_netdev_to_pf(dev); /* only report timestamping if PTP is enabled */ if (!test_bit(ICE_FLAG_PTP, pf->flags)) return ethtool_op_get_ts_info(dev, info); info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | SOF_TIMESTAMPING_RX_SOFTWARE | SOF_TIMESTAMPING_SOFTWARE | SOF_TIMESTAMPING_TX_HARDWARE | SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_RAW_HARDWARE; info->phc_index = ice_ptp_clock_index(pf); info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); return 0; } /** * ice_get_max_txq - return the maximum number of Tx queues for in a PF * @pf: PF structure */ static int ice_get_max_txq(struct ice_pf *pf) { return min3(pf->num_lan_msix, (u16)num_online_cpus(), (u16)pf->hw.func_caps.common_cap.num_txq); } /** * ice_get_max_rxq - return the maximum number of Rx queues for in a PF * @pf: PF structure */ static int ice_get_max_rxq(struct ice_pf *pf) { return min3(pf->num_lan_msix, (u16)num_online_cpus(), (u16)pf->hw.func_caps.common_cap.num_rxq); } /** * ice_get_combined_cnt - return the current number of combined channels * @vsi: PF VSI pointer * * Go through all queue vectors and count ones that have both Rx and Tx ring * attached */ static u32 ice_get_combined_cnt(struct ice_vsi *vsi) { u32 combined = 0; int q_idx; ice_for_each_q_vector(vsi, q_idx) { struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; if (q_vector->rx.rx_ring && q_vector->tx.tx_ring) combined++; } return combined; } /** * ice_get_channels - get the current and max supported channels * @dev: network interface device structure * @ch: ethtool channel data structure */ static void ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) { struct ice_netdev_priv *np = netdev_priv(dev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; /* report maximum channels */ ch->max_rx = ice_get_max_rxq(pf); ch->max_tx = ice_get_max_txq(pf); ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); /* report current channels */ ch->combined_count = ice_get_combined_cnt(vsi); ch->rx_count = vsi->num_rxq - ch->combined_count; ch->tx_count = vsi->num_txq - ch->combined_count; /* report other queues */ ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; ch->max_other = ch->other_count; } /** * ice_get_valid_rss_size - return valid number of RSS queues * @hw: pointer to the HW structure * @new_size: requested RSS queues */ static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) { struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; return min_t(int, new_size, BIT(caps->rss_table_entry_width)); } /** * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size * @vsi: VSI to reconfigure RSS LUT on * @req_rss_size: requested range of queue numbers for hashing * * Set the VSI's RSS parameters, configure the RSS LUT based on these. */ static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) { struct ice_pf *pf = vsi->back; struct device *dev; struct ice_hw *hw; int err; u8 *lut; dev = ice_pf_to_dev(pf); hw = &pf->hw; if (!req_rss_size) return -EINVAL; lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); if (!lut) return -ENOMEM; /* set RSS LUT parameters */ if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) vsi->rss_size = 1; else vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); /* create/set RSS LUT */ ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); if (err) dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, ice_aq_str(hw->adminq.sq_last_status)); kfree(lut); return err; } /** * ice_set_channels - set the number channels * @dev: network interface device structure * @ch: ethtool channel data structure */ static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) { struct ice_netdev_priv *np = netdev_priv(dev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; int new_rx = 0, new_tx = 0; bool locked = false; u32 curr_combined; int ret = 0; /* do not support changing channels in Safe Mode */ if (ice_is_safe_mode(pf)) { netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); return -EOPNOTSUPP; } /* do not support changing other_count */ if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) return -EINVAL; if (ice_is_adq_active(pf)) { netdev_err(dev, "Cannot set channels with ADQ configured.\n"); return -EOPNOTSUPP; } if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); return -EOPNOTSUPP; } curr_combined = ice_get_combined_cnt(vsi); /* these checks are for cases where user didn't specify a particular * value on cmd line but we get non-zero value anyway via * get_channels(); look at ethtool.c in ethtool repository (the user * space part), particularly, do_schannels() routine */ if (ch->rx_count == vsi->num_rxq - curr_combined) ch->rx_count = 0; if (ch->tx_count == vsi->num_txq - curr_combined) ch->tx_count = 0; if (ch->combined_count == curr_combined) ch->combined_count = 0; if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); return -EINVAL; } new_rx = ch->combined_count + ch->rx_count; new_tx = ch->combined_count + ch->tx_count; if (new_rx < vsi->tc_cfg.numtc) { netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n", vsi->tc_cfg.numtc); return -EINVAL; } if (new_tx < vsi->tc_cfg.numtc) { netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n", vsi->tc_cfg.numtc); return -EINVAL; } if (new_rx > ice_get_max_rxq(pf)) { netdev_err(dev, "Maximum allowed Rx channels is %d\n", ice_get_max_rxq(pf)); return -EINVAL; } if (new_tx > ice_get_max_txq(pf)) { netdev_err(dev, "Maximum allowed Tx channels is %d\n", ice_get_max_txq(pf)); return -EINVAL; } if (pf->adev) { mutex_lock(&pf->adev_mutex); device_lock(&pf->adev->dev); locked = true; if (pf->adev->dev.driver) { netdev_err(dev, "Cannot change channels when RDMA is active\n"); ret = -EBUSY; goto adev_unlock; } } ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked); if (!netif_is_rxfh_configured(dev)) { ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx); goto adev_unlock; } /* Update rss_size due to change in Rx queues */ vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); adev_unlock: if (locked) { device_unlock(&pf->adev->dev); mutex_unlock(&pf->adev_mutex); } return ret; } /** * ice_get_wol - get current Wake on LAN configuration * @netdev: network interface device structure * @wol: Ethtool structure to retrieve WoL settings */ static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_pf *pf = np->vsi->back; if (np->vsi->type != ICE_VSI_PF) netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); /* Get WoL settings based on the HW capability */ if (ice_is_wol_supported(&pf->hw)) { wol->supported = WAKE_MAGIC; wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; } else { wol->supported = 0; wol->wolopts = 0; } } /** * ice_set_wol - set Wake on LAN on supported device * @netdev: network interface device structure * @wol: Ethtool structure to set WoL */ static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) return -EOPNOTSUPP; /* only magic packet is supported */ if (wol->wolopts && wol->wolopts != WAKE_MAGIC) return -EOPNOTSUPP; /* Set WoL only if there is a new value */ if (pf->wol_ena != !!wol->wolopts) { pf->wol_ena = !!wol->wolopts; device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); netdev_dbg(netdev, "WoL magic packet %sabled\n", pf->wol_ena ? "en" : "dis"); } return 0; } /** * ice_get_rc_coalesce - get ITR values for specific ring container * @ec: ethtool structure to fill with driver's coalesce settings * @rc: ring container that the ITR values will come from * * Query the device for ice_ring_container specific ITR values. This is * done per ice_ring_container because each q_vector can have 1 or more rings * and all of said ring(s) will have the same ITR values. * * Returns 0 on success, negative otherwise. */ static int ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc) { if (!rc->rx_ring) return -EINVAL; switch (rc->type) { case ICE_RX_CONTAINER: ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); ec->rx_coalesce_usecs = rc->itr_setting; ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl; break; case ICE_TX_CONTAINER: ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); ec->tx_coalesce_usecs = rc->itr_setting; break; default: dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type); return -EINVAL; } return 0; } /** * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings * @ec: coalesce settings to program the device with * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index * * Return 0 on success, and negative under the following conditions: * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. */ static int ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) { if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { if (ice_get_rc_coalesce(ec, &vsi->rx_rings[q_num]->q_vector->rx)) return -EINVAL; if (ice_get_rc_coalesce(ec, &vsi->tx_rings[q_num]->q_vector->tx)) return -EINVAL; } else if (q_num < vsi->num_rxq) { if (ice_get_rc_coalesce(ec, &vsi->rx_rings[q_num]->q_vector->rx)) return -EINVAL; } else if (q_num < vsi->num_txq) { if (ice_get_rc_coalesce(ec, &vsi->tx_rings[q_num]->q_vector->tx)) return -EINVAL; } else { return -EINVAL; } return 0; } /** * __ice_get_coalesce - get ITR/INTRL values for the device * @netdev: pointer to the netdev associated with this query * @ec: ethtool structure to fill with driver's coalesce settings * @q_num: queue number to get the coalesce settings for * * If the caller passes in a negative q_num then we return coalesce settings * based on queue number 0, else use the actual q_num passed in. */ static int __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, int q_num) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; if (q_num < 0) q_num = 0; if (ice_get_q_coalesce(vsi, ec, q_num)) return -EINVAL; return 0; } static int ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, struct kernel_ethtool_coalesce *kernel_coal, struct netlink_ext_ack *extack) { return __ice_get_coalesce(netdev, ec, -1); } static int ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, struct ethtool_coalesce *ec) { return __ice_get_coalesce(netdev, ec, q_num); } /** * ice_set_rc_coalesce - set ITR values for specific ring container * @ec: ethtool structure from user to update ITR settings * @rc: ring container that the ITR values will come from * @vsi: VSI associated to the ring container * * Set specific ITR values. This is done per ice_ring_container because each * q_vector can have 1 or more rings and all of said ring(s) will have the same * ITR values. * * Returns 0 on success, negative otherwise. */ static int ice_set_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc, struct ice_vsi *vsi) { const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx"; u32 use_adaptive_coalesce, coalesce_usecs; struct ice_pf *pf = vsi->back; u16 itr_setting; if (!rc->rx_ring) return -EINVAL; switch (rc->type) { case ICE_RX_CONTAINER: { struct ice_q_vector *q_vector = rc->rx_ring->q_vector; if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || (ec->rx_coalesce_usecs_high && ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", c_type_str, pf->hw.intrl_gran, ICE_MAX_INTRL); return -EINVAL; } if (ec->rx_coalesce_usecs_high != q_vector->intrl && (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", c_type_str); return -EINVAL; } if (ec->rx_coalesce_usecs_high != q_vector->intrl) q_vector->intrl = ec->rx_coalesce_usecs_high; use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; coalesce_usecs = ec->rx_coalesce_usecs; break; } case ICE_TX_CONTAINER: use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; coalesce_usecs = ec->tx_coalesce_usecs; break; default: dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", rc->type); return -EINVAL; } itr_setting = rc->itr_setting; if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", c_type_str, c_type_str); return -EINVAL; } if (coalesce_usecs > ICE_ITR_MAX) { netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", c_type_str, ICE_ITR_MAX); return -EINVAL; } if (use_adaptive_coalesce) { rc->itr_mode = ITR_DYNAMIC; } else { rc->itr_mode = ITR_STATIC; /* store user facing value how it was set */ rc->itr_setting = coalesce_usecs; /* write the change to the register */ ice_write_itr(rc, coalesce_usecs); /* force writes to take effect immediately, the flush shouldn't * be done in the functions above because the intent is for * them to do lazy writes. */ ice_flush(&pf->hw); } return 0; } /** * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings * @vsi: VSI associated to the queue that need updating * @ec: coalesce settings to program the device with * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index * * Return 0 on success, and negative under the following conditions: * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. */ static int ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) { if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { if (ice_set_rc_coalesce(ec, &vsi->rx_rings[q_num]->q_vector->rx, vsi)) return -EINVAL; if (ice_set_rc_coalesce(ec, &vsi->tx_rings[q_num]->q_vector->tx, vsi)) return -EINVAL; } else if (q_num < vsi->num_rxq) { if (ice_set_rc_coalesce(ec, &vsi->rx_rings[q_num]->q_vector->rx, vsi)) return -EINVAL; } else if (q_num < vsi->num_txq) { if (ice_set_rc_coalesce(ec, &vsi->tx_rings[q_num]->q_vector->tx, vsi)) return -EINVAL; } else { return -EINVAL; } return 0; } /** * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs * @netdev: netdev used for print * @itr_setting: previous user setting * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled * @coalesce_usecs: requested value of [tx|rx]-usecs * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs */ static void ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, u32 use_adaptive_coalesce, u32 coalesce_usecs, const char *c_type_str) { if (use_adaptive_coalesce) return; if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 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", c_type_str, coalesce_usecs, c_type_str, ITR_REG_ALIGN(coalesce_usecs)); } /** * __ice_set_coalesce - set ITR/INTRL values for the device * @netdev: pointer to the netdev associated with this query * @ec: ethtool structure to fill with driver's coalesce settings * @q_num: queue number to get the coalesce settings for * * If the caller passes in a negative q_num then we set the coalesce settings * for all Tx/Rx queues, else use the actual q_num passed in. */ static int __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, int q_num) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; if (q_num < 0) { struct ice_q_vector *q_vector = vsi->q_vectors[0]; int v_idx; if (q_vector) { ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, ec->use_adaptive_rx_coalesce, ec->rx_coalesce_usecs, "rx"); ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, ec->use_adaptive_tx_coalesce, ec->tx_coalesce_usecs, "tx"); } ice_for_each_q_vector(vsi, v_idx) { /* In some cases if DCB is configured the num_[rx|tx]q * can be less than vsi->num_q_vectors. This check * accounts for that so we don't report a false failure */ if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) goto set_complete; if (ice_set_q_coalesce(vsi, ec, v_idx)) return -EINVAL; ice_set_q_vector_intrl(vsi->q_vectors[v_idx]); } goto set_complete; } if (ice_set_q_coalesce(vsi, ec, q_num)) return -EINVAL; ice_set_q_vector_intrl(vsi->q_vectors[q_num]); set_complete: return 0; } static int ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, struct kernel_ethtool_coalesce *kernel_coal, struct netlink_ext_ack *extack) { return __ice_set_coalesce(netdev, ec, -1); } static int ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, struct ethtool_coalesce *ec) { return __ice_set_coalesce(netdev, ec, q_num); } static void ice_repr_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) { struct ice_repr *repr = ice_netdev_to_repr(netdev); if (ice_check_vf_ready_for_cfg(repr->vf)) return; __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi); } static void ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data) { struct ice_repr *repr = ice_netdev_to_repr(netdev); /* for port representors only ETH_SS_STATS is supported */ if (ice_check_vf_ready_for_cfg(repr->vf) || stringset != ETH_SS_STATS) return; __ice_get_strings(netdev, stringset, data, repr->src_vsi); } static void ice_repr_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats __always_unused *stats, u64 *data) { struct ice_repr *repr = ice_netdev_to_repr(netdev); if (ice_check_vf_ready_for_cfg(repr->vf)) return; __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi); } static int ice_repr_get_sset_count(struct net_device *netdev, int sset) { switch (sset) { case ETH_SS_STATS: return ICE_VSI_STATS_LEN; default: return -EOPNOTSUPP; } } #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 #define ICE_MODULE_TYPE_SFP 0x03 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D #define ICE_MODULE_TYPE_QSFP28 0x11 #define ICE_MODULE_SFF_ADDR_MODE 0x04 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 #define ICE_MODULE_REVISION_ADDR 0x01 #define ICE_MODULE_SFF_8472_COMP 0x5E #define ICE_MODULE_SFF_8472_SWAP 0x5C #define ICE_MODULE_QSFP_MAX_LEN 640 /** * ice_get_module_info - get SFF module type and revision information * @netdev: network interface device structure * @modinfo: module EEPROM size and layout information structure */ static int ice_get_module_info(struct net_device *netdev, struct ethtool_modinfo *modinfo) { struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; struct ice_hw *hw = &pf->hw; u8 sff8472_comp = 0; u8 sff8472_swap = 0; u8 sff8636_rev = 0; u8 value = 0; int status; status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 0, &value, 1, 0, NULL); if (status) return status; switch (value) { case ICE_MODULE_TYPE_SFP: status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, ICE_MODULE_SFF_8472_COMP, 0x00, 0, &sff8472_comp, 1, 0, NULL); if (status) return status; status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, ICE_MODULE_SFF_8472_SWAP, 0x00, 0, &sff8472_swap, 1, 0, NULL); if (status) return status; if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { modinfo->type = ETH_MODULE_SFF_8079; modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; } else if (sff8472_comp && (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { modinfo->type = ETH_MODULE_SFF_8472; modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; } else { modinfo->type = ETH_MODULE_SFF_8079; modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; } break; case ICE_MODULE_TYPE_QSFP_PLUS: case ICE_MODULE_TYPE_QSFP28: status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, ICE_MODULE_REVISION_ADDR, 0x00, 0, &sff8636_rev, 1, 0, NULL); if (status) return status; /* Check revision compliance */ if (sff8636_rev > 0x02) { /* Module is SFF-8636 compliant */ modinfo->type = ETH_MODULE_SFF_8636; modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; } else { modinfo->type = ETH_MODULE_SFF_8436; modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; } break; default: netdev_warn(netdev, "SFF Module Type not recognized.\n"); return -EINVAL; } return 0; } /** * ice_get_module_eeprom - fill buffer with SFF EEPROM contents * @netdev: network interface device structure * @ee: EEPROM dump request structure * @data: buffer to be filled with EEPROM contents */ static int ice_get_module_eeprom(struct net_device *netdev, struct ethtool_eeprom *ee, u8 *data) { struct ice_netdev_priv *np = netdev_priv(netdev); #define SFF_READ_BLOCK_SIZE 8 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; u8 addr = ICE_I2C_EEPROM_DEV_ADDR; struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; struct ice_hw *hw = &pf->hw; bool is_sfp = false; unsigned int i, j; u16 offset = 0; u8 page = 0; int status; if (!ee || !ee->len || !data) return -EINVAL; status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, NULL); if (status) return status; if (value[0] == ICE_MODULE_TYPE_SFP) is_sfp = true; memset(data, 0, ee->len); for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { offset = i + ee->offset; page = 0; /* Check if we need to access the other memory page */ if (is_sfp) { if (offset >= ETH_MODULE_SFF_8079_LEN) { offset -= ETH_MODULE_SFF_8079_LEN; addr = ICE_I2C_EEPROM_DEV_ADDR2; } } else { while (offset >= ETH_MODULE_SFF_8436_LEN) { /* Compute memory page number and offset. */ offset -= ETH_MODULE_SFF_8436_LEN / 2; page++; } } /* Bit 2 of EEPROM address 0x02 declares upper * pages are disabled on QSFP modules. * SFP modules only ever use page 0. */ if (page == 0 || !(data[0x2] & 0x4)) { u32 copy_len; /* If i2c bus is busy due to slow page change or * link management access, call can fail. This is normal. * So we retry this a few times. */ for (j = 0; j < 4; j++) { status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, !is_sfp, value, SFF_READ_BLOCK_SIZE, 0, NULL); netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n", addr, offset, page, is_sfp, value[0], value[1], value[2], value[3], value[4], value[5], value[6], value[7], status); if (status) { usleep_range(1500, 2500); memset(value, 0, SFF_READ_BLOCK_SIZE); continue; } break; } /* Make sure we have enough room for the new block */ copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i); memcpy(data + i, value, copy_len); } } return 0; } static const struct ethtool_ops ice_ethtool_ops = { .cap_rss_ctx_supported = true, .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_USE_ADAPTIVE | ETHTOOL_COALESCE_RX_USECS_HIGH, .cap_rss_sym_xor_supported = true, .get_link_ksettings = ice_get_link_ksettings, .set_link_ksettings = ice_set_link_ksettings, .get_drvinfo = ice_get_drvinfo, .get_regs_len = ice_get_regs_len, .get_regs = ice_get_regs, .get_wol = ice_get_wol, .set_wol = ice_set_wol, .get_msglevel = ice_get_msglevel, .set_msglevel = ice_set_msglevel, .self_test = ice_self_test, .get_link = ethtool_op_get_link, .get_eeprom_len = ice_get_eeprom_len, .get_eeprom = ice_get_eeprom, .get_coalesce = ice_get_coalesce, .set_coalesce = ice_set_coalesce, .get_strings = ice_get_strings, .set_phys_id = ice_set_phys_id, .get_ethtool_stats = ice_get_ethtool_stats, .get_priv_flags = ice_get_priv_flags, .set_priv_flags = ice_set_priv_flags, .get_sset_count = ice_get_sset_count, .get_rxnfc = ice_get_rxnfc, .set_rxnfc = ice_set_rxnfc, .get_ringparam = ice_get_ringparam, .set_ringparam = ice_set_ringparam, .nway_reset = ice_nway_reset, .get_pauseparam = ice_get_pauseparam, .set_pauseparam = ice_set_pauseparam, .get_rxfh_key_size = ice_get_rxfh_key_size, .get_rxfh_indir_size = ice_get_rxfh_indir_size, .get_rxfh = ice_get_rxfh, .set_rxfh = ice_set_rxfh, .get_channels = ice_get_channels, .set_channels = ice_set_channels, .get_ts_info = ice_get_ts_info, .get_per_queue_coalesce = ice_get_per_q_coalesce, .set_per_queue_coalesce = ice_set_per_q_coalesce, .get_fecparam = ice_get_fecparam, .set_fecparam = ice_set_fecparam, .get_module_info = ice_get_module_info, .get_module_eeprom = ice_get_module_eeprom, }; static const struct ethtool_ops ice_ethtool_safe_mode_ops = { .get_link_ksettings = ice_get_link_ksettings, .set_link_ksettings = ice_set_link_ksettings, .get_drvinfo = ice_get_drvinfo, .get_regs_len = ice_get_regs_len, .get_regs = ice_get_regs, .get_wol = ice_get_wol, .set_wol = ice_set_wol, .get_msglevel = ice_get_msglevel, .set_msglevel = ice_set_msglevel, .get_link = ethtool_op_get_link, .get_eeprom_len = ice_get_eeprom_len, .get_eeprom = ice_get_eeprom, .get_strings = ice_get_strings, .get_ethtool_stats = ice_get_ethtool_stats, .get_sset_count = ice_get_sset_count, .get_ringparam = ice_get_ringparam, .set_ringparam = ice_set_ringparam, .nway_reset = ice_nway_reset, .get_channels = ice_get_channels, }; /** * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops * @netdev: network interface device structure */ void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) { netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; } static const struct ethtool_ops ice_ethtool_repr_ops = { .get_drvinfo = ice_repr_get_drvinfo, .get_link = ethtool_op_get_link, .get_strings = ice_repr_get_strings, .get_ethtool_stats = ice_repr_get_ethtool_stats, .get_sset_count = ice_repr_get_sset_count, }; /** * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops * @netdev: network interface device structure */ void ice_set_ethtool_repr_ops(struct net_device *netdev) { netdev->ethtool_ops = &ice_ethtool_repr_ops; } /** * ice_set_ethtool_ops - setup netdev ethtool ops * @netdev: network interface device structure * * setup netdev ethtool ops with ice specific ops */ void ice_set_ethtool_ops(struct net_device *netdev) { netdev->ethtool_ops = &ice_ethtool_ops; } |