/*- * Copyright (c) 2012-2016 Solarflare Communications Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * The views and conclusions contained in the software and documentation are * those of the authors and should not be interpreted as representing official * policies, either expressed or implied, of the FreeBSD Project. */ #include #include "efx.h" #include "efx_impl.h" #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 __checkReturn efx_rc_t ef10_mac_poll( __in efx_nic_t *enp, __out efx_link_mode_t *link_modep) { efx_port_t *epp = &(enp->en_port); ef10_link_state_t els; efx_rc_t rc; if ((rc = ef10_phy_get_link(enp, &els)) != 0) goto fail1; epp->ep_adv_cap_mask = els.epls.epls_adv_cap_mask; epp->ep_fcntl = els.epls.epls_fcntl; *link_modep = els.epls.epls_link_mode; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); *link_modep = EFX_LINK_UNKNOWN; return (rc); } __checkReturn efx_rc_t ef10_mac_up( __in efx_nic_t *enp, __out boolean_t *mac_upp) { ef10_link_state_t els; efx_rc_t rc; /* * Because EF10 doesn't *require* polling, we can't rely on * ef10_mac_poll() being executed to populate epp->ep_mac_up. */ if ((rc = ef10_phy_get_link(enp, &els)) != 0) goto fail1; *mac_upp = els.els_mac_up; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } /* * EF10 adapters use MC_CMD_VADAPTOR_SET_MAC to set the * MAC address; the address field in MC_CMD_SET_MAC has no * effect. * MC_CMD_VADAPTOR_SET_MAC requires mac-spoofing privilege and * the port to have no filters or queues active. */ static __checkReturn efx_rc_t efx_mcdi_vadapter_set_mac( __in efx_nic_t *enp) { efx_port_t *epp = &(enp->en_port); efx_mcdi_req_t req; EFX_MCDI_DECLARE_BUF(payload, MC_CMD_VADAPTOR_SET_MAC_IN_LEN, MC_CMD_VADAPTOR_SET_MAC_OUT_LEN); efx_rc_t rc; req.emr_cmd = MC_CMD_VADAPTOR_SET_MAC; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_VADAPTOR_SET_MAC_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_VADAPTOR_SET_MAC_OUT_LEN; MCDI_IN_SET_DWORD(req, VADAPTOR_SET_MAC_IN_UPSTREAM_PORT_ID, enp->en_vport_id); EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, VADAPTOR_SET_MAC_IN_MACADDR), epp->ep_mac_addr); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_mac_addr_set( __in efx_nic_t *enp) { efx_rc_t rc; if ((rc = efx_mcdi_vadapter_set_mac(enp)) != 0) { if (rc != ENOTSUP) goto fail1; /* * Fallback for older Huntington firmware without Vadapter * support. */ if ((rc = ef10_mac_reconfigure(enp)) != 0) goto fail2; } return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } static __checkReturn efx_rc_t efx_mcdi_mtu_set( __in efx_nic_t *enp, __in uint32_t mtu) { efx_mcdi_req_t req; EFX_MCDI_DECLARE_BUF(payload, MC_CMD_SET_MAC_EXT_IN_LEN, MC_CMD_SET_MAC_OUT_LEN); efx_rc_t rc; req.emr_cmd = MC_CMD_SET_MAC; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_SET_MAC_EXT_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_SET_MAC_OUT_LEN; /* Only configure the MTU in this call to MC_CMD_SET_MAC */ MCDI_IN_SET_DWORD(req, SET_MAC_EXT_IN_MTU, mtu); MCDI_IN_POPULATE_DWORD_1(req, SET_MAC_EXT_IN_CONTROL, SET_MAC_EXT_IN_CFG_MTU, 1); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } static __checkReturn efx_rc_t efx_mcdi_mtu_get( __in efx_nic_t *enp, __out size_t *mtu) { efx_mcdi_req_t req; EFX_MCDI_DECLARE_BUF(payload, MC_CMD_SET_MAC_EXT_IN_LEN, MC_CMD_SET_MAC_V2_OUT_LEN); efx_rc_t rc; req.emr_cmd = MC_CMD_SET_MAC; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_SET_MAC_EXT_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_SET_MAC_V2_OUT_LEN; /* * With MC_CMD_SET_MAC_EXT_IN_CONTROL set to 0, this just queries the * MTU. This should always be supported on Medford, but it is not * supported on older Huntington firmware. */ MCDI_IN_SET_DWORD(req, SET_MAC_EXT_IN_CONTROL, 0); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } if (req.emr_out_length_used < MC_CMD_SET_MAC_V2_OUT_MTU_OFST + 4) { rc = EMSGSIZE; goto fail2; } *mtu = MCDI_OUT_DWORD(req, SET_MAC_V2_OUT_MTU); return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_mac_pdu_set( __in efx_nic_t *enp) { efx_port_t *epp = &(enp->en_port); efx_nic_cfg_t *encp = &(enp->en_nic_cfg); efx_rc_t rc; if (encp->enc_enhanced_set_mac_supported) { if ((rc = efx_mcdi_mtu_set(enp, epp->ep_mac_pdu)) != 0) goto fail1; } else { /* * Fallback for older Huntington firmware, which always * configure all of the parameters to MC_CMD_SET_MAC. This isn't * suitable for setting the MTU on unpriviliged functions. */ if ((rc = ef10_mac_reconfigure(enp)) != 0) goto fail2; } return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_mac_pdu_get( __in efx_nic_t *enp, __out size_t *pdu) { efx_rc_t rc; if ((rc = efx_mcdi_mtu_get(enp, pdu)) != 0) goto fail1; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_mac_reconfigure( __in efx_nic_t *enp) { efx_port_t *epp = &(enp->en_port); efx_mcdi_req_t req; EFX_MCDI_DECLARE_BUF(payload, MC_CMD_SET_MAC_IN_LEN, MC_CMD_SET_MAC_OUT_LEN); efx_rc_t rc; req.emr_cmd = MC_CMD_SET_MAC; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_SET_MAC_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_SET_MAC_OUT_LEN; MCDI_IN_SET_DWORD(req, SET_MAC_IN_MTU, epp->ep_mac_pdu); MCDI_IN_SET_DWORD(req, SET_MAC_IN_DRAIN, epp->ep_mac_drain ? 1 : 0); EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, SET_MAC_IN_ADDR), epp->ep_mac_addr); /* * Note: The Huntington MAC does not support REJECT_BRDCST. * The REJECT_UNCST flag will also prevent multicast traffic * from reaching the filters. As Huntington filters drop any * traffic that does not match a filter it is ok to leave the * MAC running in promiscuous mode. See bug41141. * * FIXME: Does REJECT_UNCST behave the same way on Medford? */ MCDI_IN_POPULATE_DWORD_2(req, SET_MAC_IN_REJECT, SET_MAC_IN_REJECT_UNCST, 0, SET_MAC_IN_REJECT_BRDCST, 0); /* * Flow control, whether it is auto-negotiated or not, * is set via the PHY advertised capabilities. When set to * automatic the MAC will use the PHY settings to determine * the flow control settings. */ MCDI_IN_SET_DWORD(req, SET_MAC_IN_FCNTL, MC_CMD_FCNTL_AUTO); /* Do not include the Ethernet frame checksum in RX packets */ MCDI_IN_POPULATE_DWORD_1(req, SET_MAC_IN_FLAGS, SET_MAC_IN_FLAG_INCLUDE_FCS, 0); efx_mcdi_execute_quiet(enp, &req); if (req.emr_rc != 0) { /* * Unprivileged functions cannot control link state, * but still need to configure filters. */ if (req.emr_rc != EACCES) { rc = req.emr_rc; goto fail1; } } /* * Apply the filters for the MAC configuration. * If the NIC isn't ready to accept filters this may * return success without setting anything. */ rc = efx_filter_reconfigure(enp, epp->ep_mac_addr, epp->ep_all_unicst, epp->ep_mulcst, epp->ep_all_mulcst, epp->ep_brdcst, epp->ep_mulcst_addr_list, epp->ep_mulcst_addr_count); return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_mac_multicast_list_set( __in efx_nic_t *enp) { efx_port_t *epp = &(enp->en_port); const efx_mac_ops_t *emop = epp->ep_emop; efx_rc_t rc; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || enp->en_family == EFX_FAMILY_MEDFORD || enp->en_family == EFX_FAMILY_MEDFORD2); if ((rc = emop->emo_reconfigure(enp)) != 0) goto fail1; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_mac_filter_default_rxq_set( __in efx_nic_t *enp, __in efx_rxq_t *erp, __in boolean_t using_rss) { efx_port_t *epp = &(enp->en_port); efx_rxq_t *old_rxq; boolean_t old_using_rss; efx_rc_t rc; ef10_filter_get_default_rxq(enp, &old_rxq, &old_using_rss); ef10_filter_default_rxq_set(enp, erp, using_rss); rc = efx_filter_reconfigure(enp, epp->ep_mac_addr, epp->ep_all_unicst, epp->ep_mulcst, epp->ep_all_mulcst, epp->ep_brdcst, epp->ep_mulcst_addr_list, epp->ep_mulcst_addr_count); if (rc != 0) goto fail1; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); ef10_filter_default_rxq_set(enp, old_rxq, old_using_rss); return (rc); } void ef10_mac_filter_default_rxq_clear( __in efx_nic_t *enp) { efx_port_t *epp = &(enp->en_port); ef10_filter_default_rxq_clear(enp); (void) efx_filter_reconfigure(enp, epp->ep_mac_addr, epp->ep_all_unicst, epp->ep_mulcst, epp->ep_all_mulcst, epp->ep_brdcst, epp->ep_mulcst_addr_list, epp->ep_mulcst_addr_count); } #if EFSYS_OPT_LOOPBACK __checkReturn efx_rc_t ef10_mac_loopback_set( __in efx_nic_t *enp, __in efx_link_mode_t link_mode, __in efx_loopback_type_t loopback_type) { efx_port_t *epp = &(enp->en_port); const efx_phy_ops_t *epop = epp->ep_epop; efx_loopback_type_t old_loopback_type; efx_link_mode_t old_loopback_link_mode; efx_rc_t rc; /* The PHY object handles this on EF10 */ old_loopback_type = epp->ep_loopback_type; old_loopback_link_mode = epp->ep_loopback_link_mode; epp->ep_loopback_type = loopback_type; epp->ep_loopback_link_mode = link_mode; if ((rc = epop->epo_reconfigure(enp)) != 0) goto fail1; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); epp->ep_loopback_type = old_loopback_type; epp->ep_loopback_link_mode = old_loopback_link_mode; return (rc); } #endif /* EFSYS_OPT_LOOPBACK */ #if EFSYS_OPT_MAC_STATS __checkReturn efx_rc_t ef10_mac_stats_get_mask( __in efx_nic_t *enp, __inout_bcount(mask_size) uint32_t *maskp, __in size_t mask_size) { const struct efx_mac_stats_range ef10_common[] = { { EFX_MAC_RX_OCTETS, EFX_MAC_RX_GE_15XX_PKTS }, { EFX_MAC_RX_FCS_ERRORS, EFX_MAC_RX_DROP_EVENTS }, { EFX_MAC_RX_JABBER_PKTS, EFX_MAC_RX_JABBER_PKTS }, { EFX_MAC_RX_NODESC_DROP_CNT, EFX_MAC_TX_PAUSE_PKTS }, }; const struct efx_mac_stats_range ef10_tx_size_bins[] = { { EFX_MAC_TX_LE_64_PKTS, EFX_MAC_TX_GE_15XX_PKTS }, }; efx_nic_cfg_t *encp = &(enp->en_nic_cfg); efx_port_t *epp = &(enp->en_port); efx_rc_t rc; if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, ef10_common, EFX_ARRAY_SIZE(ef10_common))) != 0) goto fail1; if (epp->ep_phy_cap_mask & (1 << MC_CMD_PHY_CAP_40000FDX_LBN)) { const struct efx_mac_stats_range ef10_40g_extra[] = { { EFX_MAC_RX_ALIGN_ERRORS, EFX_MAC_RX_ALIGN_ERRORS }, }; if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, ef10_40g_extra, EFX_ARRAY_SIZE(ef10_40g_extra))) != 0) goto fail2; if (encp->enc_mac_stats_40g_tx_size_bins) { if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, ef10_tx_size_bins, EFX_ARRAY_SIZE(ef10_tx_size_bins))) != 0) goto fail3; } } else { if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, ef10_tx_size_bins, EFX_ARRAY_SIZE(ef10_tx_size_bins))) != 0) goto fail4; } if (encp->enc_pm_and_rxdp_counters) { const struct efx_mac_stats_range ef10_pm_and_rxdp[] = { { EFX_MAC_PM_TRUNC_BB_OVERFLOW, EFX_MAC_RXDP_HLB_WAIT }, }; if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, ef10_pm_and_rxdp, EFX_ARRAY_SIZE(ef10_pm_and_rxdp))) != 0) goto fail5; } if (encp->enc_datapath_cap_evb) { const struct efx_mac_stats_range ef10_vadaptor[] = { { EFX_MAC_VADAPTER_RX_UNICAST_PACKETS, EFX_MAC_VADAPTER_TX_OVERFLOW }, }; if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, ef10_vadaptor, EFX_ARRAY_SIZE(ef10_vadaptor))) != 0) goto fail6; } if (encp->enc_fec_counters) { const struct efx_mac_stats_range ef10_fec[] = { { EFX_MAC_FEC_UNCORRECTED_ERRORS, EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE3 }, }; if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, ef10_fec, EFX_ARRAY_SIZE(ef10_fec))) != 0) goto fail7; } if (encp->enc_mac_stats_nstats >= MC_CMD_MAC_NSTATS_V4) { const struct efx_mac_stats_range ef10_rxdp_sdt[] = { { EFX_MAC_RXDP_SCATTER_DISABLED_TRUNC, EFX_MAC_RXDP_SCATTER_DISABLED_TRUNC }, }; if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, ef10_rxdp_sdt, EFX_ARRAY_SIZE(ef10_rxdp_sdt))) != 0) goto fail8; } if (encp->enc_hlb_counters) { const struct efx_mac_stats_range ef10_hlb[] = { { EFX_MAC_RXDP_HLB_IDLE, EFX_MAC_RXDP_HLB_TIMEOUT }, }; if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, ef10_hlb, EFX_ARRAY_SIZE(ef10_hlb))) != 0) goto fail9; } return (0); fail9: EFSYS_PROBE(fail9); fail8: EFSYS_PROBE(fail8); fail7: EFSYS_PROBE(fail7); fail6: EFSYS_PROBE(fail6); fail5: EFSYS_PROBE(fail5); fail4: EFSYS_PROBE(fail4); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #define EF10_MAC_STAT_READ(_esmp, _field, _eqp) \ EFSYS_MEM_READQ((_esmp), (_field) * sizeof (efx_qword_t), _eqp) __checkReturn efx_rc_t ef10_mac_stats_update( __in efx_nic_t *enp, __in efsys_mem_t *esmp, __inout_ecount(EFX_MAC_NSTATS) efsys_stat_t *stat, __inout_opt uint32_t *generationp) { const efx_nic_cfg_t *encp = &enp->en_nic_cfg; efx_qword_t generation_start; efx_qword_t generation_end; efx_qword_t value; efx_rc_t rc; /* * The MAC_STATS contain start and end generation counters used to * detect when the DMA buffer has been updated during stats decode. * All stats counters are 64bit unsigned values. * * Siena-compatible MAC stats contain MC_CMD_MAC_NSTATS 64bit counters. * The generation end counter is at index MC_CMD_MAC_GENERATION_END * (same as MC_CMD_MAC_NSTATS-1). * * Medford2 and later use a larger DMA buffer: MAC_STATS_NUM_STATS from * MC_CMD_GET_CAPABILITIES_V4_OUT reports the number of 64bit counters. * * Firmware writes the generation end counter as the last counter in the * DMA buffer. Do not use MC_CMD_MAC_GENERATION_END, as that is only * correct for legacy Siena-compatible MAC stats. */ if (encp->enc_mac_stats_nstats < MC_CMD_MAC_NSTATS) { /* MAC stats count too small for legacy MAC stats */ rc = ENOSPC; goto fail1; } if (EFSYS_MEM_SIZE(esmp) < (encp->enc_mac_stats_nstats * sizeof (efx_qword_t))) { /* DMA buffer too small */ rc = ENOSPC; goto fail2; } /* Read END first so we don't race with the MC */ EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFSYS_MEM_SIZE(esmp)); EF10_MAC_STAT_READ(esmp, (encp->enc_mac_stats_nstats - 1), &generation_end); EFSYS_MEM_READ_BARRIER(); /* TX */ EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_CONTROL_PKTS, &value); EFSYS_STAT_SUBR_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PAUSE_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PAUSE_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_UNICAST_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_UNICST_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTICAST_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULTICST_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BROADCAST_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_BRDCST_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BYTES, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_OCTETS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LT64_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_64_PKTS, &value); EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_65_TO_127_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_65_TO_127_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_128_TO_255_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_128_TO_255_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_256_TO_511_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_256_TO_511_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_512_TO_1023_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_512_TO_1023_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_1024_TO_15XX_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_1024_TO_15XX_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_15XX_TO_JUMBO_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_GE_15XX_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_GTJUMBO_PKTS, &value); EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_TX_GE_15XX_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BAD_FCS_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_ERRORS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_SINGLE_COLLISION_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_SGL_COL_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTIPLE_COLLISION_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULT_COL_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_EXCESSIVE_COLLISION_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_EX_COL_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LATE_COLLISION_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LATE_COL_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_DEFERRED_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_DEF_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_EXCESSIVE_DEFERRED_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_EX_DEF_PKTS]), &value); /* RX */ EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BYTES, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_OCTETS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNICAST_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_UNICST_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MULTICAST_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MULTICST_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BROADCAST_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_BRDCST_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PAUSE_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PAUSE_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNDERSIZE_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_64_PKTS, &value); EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_65_TO_127_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_65_TO_127_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_128_TO_255_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_128_TO_255_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_256_TO_511_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_256_TO_511_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_512_TO_1023_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_512_TO_1023_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_1024_TO_15XX_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_1024_TO_15XX_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_15XX_TO_JUMBO_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_GE_15XX_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_GTJUMBO_PKTS, &value); EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_GE_15XX_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BAD_FCS_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FCS_ERRORS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_OVERFLOW_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_DROP_EVENTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_FALSE_CARRIER_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FALSE_CARRIER_ERRORS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_SYMBOL_ERROR_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_SYMBOL_ERRORS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_ALIGN_ERROR_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_ALIGN_ERRORS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_INTERNAL_ERROR_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_INTERNAL_ERRORS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_JABBER_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_JABBER_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES01_CHAR_ERR, &value); EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE0_CHAR_ERR]), &(value.eq_dword[0])); EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE1_CHAR_ERR]), &(value.eq_dword[1])); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES23_CHAR_ERR, &value); EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE2_CHAR_ERR]), &(value.eq_dword[0])); EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE3_CHAR_ERR]), &(value.eq_dword[1])); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES01_DISP_ERR, &value); EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE0_DISP_ERR]), &(value.eq_dword[0])); EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE1_DISP_ERR]), &(value.eq_dword[1])); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES23_DISP_ERR, &value); EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE2_DISP_ERR]), &(value.eq_dword[0])); EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE3_DISP_ERR]), &(value.eq_dword[1])); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MATCH_FAULT, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MATCH_FAULT]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_NODESC_DROPS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_NODESC_DROP_CNT]), &value); /* Packet memory (EF10 only) */ EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_BB_OVERFLOW, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_BB_OVERFLOW]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_BB_OVERFLOW, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_BB_OVERFLOW]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_VFIFO_FULL, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_VFIFO_FULL]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_VFIFO_FULL, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_VFIFO_FULL]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_QBB, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_QBB]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_QBB, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_QBB]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_MAPPING, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_MAPPING]), &value); /* RX datapath */ EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_Q_DISABLED_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_Q_DISABLED_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_DI_DROPPED_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_DI_DROPPED_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_STREAMING_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_STREAMING_PKTS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_FETCH_CONDITIONS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_FETCH]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_WAIT_CONDITIONS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_WAIT]), &value); /* VADAPTER RX */ EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_UNICAST_PACKETS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_UNICAST_BYTES, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_UNICAST_BYTES]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_MULTICAST_PACKETS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_MULTICAST_BYTES, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BROADCAST_PACKETS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BROADCAST_BYTES, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BAD_PACKETS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BAD_PACKETS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BAD_BYTES, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BAD_BYTES]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_OVERFLOW, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_OVERFLOW]), &value); /* VADAPTER TX */ EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_UNICAST_PACKETS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_UNICAST_BYTES, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_UNICAST_BYTES]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_MULTICAST_PACKETS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_MULTICAST_BYTES, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BROADCAST_PACKETS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BROADCAST_BYTES, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BAD_PACKETS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BAD_PACKETS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BAD_BYTES, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BAD_BYTES]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_OVERFLOW, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_OVERFLOW]), &value); if (encp->enc_mac_stats_nstats < MC_CMD_MAC_NSTATS_V2) goto done; /* FEC */ EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_UNCORRECTED_ERRORS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_UNCORRECTED_ERRORS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_ERRORS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_ERRORS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_SYMBOLS_LANE0, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE0]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_SYMBOLS_LANE1, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE1]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_SYMBOLS_LANE2, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE2]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_SYMBOLS_LANE3, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE3]), &value); if (encp->enc_mac_stats_nstats < MC_CMD_MAC_NSTATS_V3) goto done; /* CTPIO exceptions */ EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_VI_BUSY_FALLBACK, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_VI_BUSY_FALLBACK]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_LONG_WRITE_SUCCESS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_LONG_WRITE_SUCCESS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_MISSING_DBELL_FAIL, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_MISSING_DBELL_FAIL]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_OVERFLOW_FAIL, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_OVERFLOW_FAIL]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_UNDERFLOW_FAIL, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_UNDERFLOW_FAIL]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_TIMEOUT_FAIL, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_TIMEOUT_FAIL]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_NONCONTIG_WR_FAIL, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_NONCONTIG_WR_FAIL]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_FRM_CLOBBER_FAIL, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_FRM_CLOBBER_FAIL]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_INVALID_WR_FAIL, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_INVALID_WR_FAIL]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_VI_CLOBBER_FALLBACK, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_VI_CLOBBER_FALLBACK]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_UNQUALIFIED_FALLBACK, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_UNQUALIFIED_FALLBACK]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_RUNT_FALLBACK, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_RUNT_FALLBACK]), &value); /* CTPIO per-port stats */ EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_SUCCESS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_SUCCESS]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_FALLBACK, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_FALLBACK]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_POISON, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_POISON]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_ERASE, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_ERASE]), &value); if (encp->enc_mac_stats_nstats < MC_CMD_MAC_NSTATS_V4) goto done; EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_SCATTER_DISABLED_TRUNC, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_SCATTER_DISABLED_TRUNC]), &value); /* Head-of-line blocking */ EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_IDLE, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_IDLE]), &value); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_TIMEOUT, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_TIMEOUT]), &value); done: /* Read START generation counter */ EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFSYS_MEM_SIZE(esmp)); EFSYS_MEM_READ_BARRIER(); EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_START, &generation_start); /* Check that we didn't read the stats in the middle of a DMA */ /* Not a good enough check ? */ if (memcmp(&generation_start, &generation_end, sizeof (generation_start))) return (EAGAIN); if (generationp) *generationp = EFX_QWORD_FIELD(generation_start, EFX_DWORD_0); return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif /* EFSYS_OPT_MAC_STATS */ #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */