Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/libalias/modules/irc/@/amd64/compile/hs32/modules/usr/src/sys/modules/pcn/@/dev/sfxge/common/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/libalias/modules/irc/@/amd64/compile/hs32/modules/usr/src/sys/modules/pcn/@/dev/sfxge/common/siena_mac.c |
/*- * Copyright 2009 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 AUTHOR 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 AUTHOR 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/sfxge/common/siena_mac.c 228100 2011-11-28 20:28:23Z philip $"); #include "efsys.h" #include "efx.h" #include "efx_impl.h" #if EFSYS_OPT_SIENA __checkReturn int siena_mac_poll( __in efx_nic_t *enp, __out efx_link_mode_t *link_modep) { efx_port_t *epp = &(enp->en_port); siena_link_state_t sls; int rc; if ((rc = siena_phy_get_link(enp, &sls)) != 0) goto fail1; epp->ep_adv_cap_mask = sls.sls_adv_cap_mask; epp->ep_fcntl = sls.sls_fcntl; *link_modep = sls.sls_link_mode; return (0); fail1: EFSYS_PROBE1(fail1, int, rc); *link_modep = EFX_LINK_UNKNOWN; return (rc); } __checkReturn int siena_mac_up( __in efx_nic_t *enp, __out boolean_t *mac_upp) { siena_link_state_t sls; int rc; /* * Because Siena doesn't *require* polling, we can't rely on * siena_mac_poll() being executed to populate epp->ep_mac_up. */ if ((rc = siena_phy_get_link(enp, &sls)) != 0) goto fail1; *mac_upp = sls.sls_mac_up; return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } __checkReturn int siena_mac_reconfigure( __in efx_nic_t *enp) { efx_port_t *epp = &(enp->en_port); uint8_t payload[MAX(MC_CMD_SET_MAC_IN_LEN, MC_CMD_SET_MCAST_HASH_IN_LEN)]; efx_mcdi_req_t req; unsigned int fcntl; int rc; req.emr_cmd = MC_CMD_SET_MAC; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_SET_MAC_IN_LEN; EFX_STATIC_ASSERT(MC_CMD_SET_MAC_OUT_LEN == 0); req.emr_out_buf = NULL; req.emr_out_length = 0; 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); MCDI_IN_POPULATE_DWORD_2(req, SET_MAC_IN_REJECT, SET_MAC_IN_REJECT_UNCST, !epp->ep_unicst, SET_MAC_IN_REJECT_BRDCST, !epp->ep_brdcst); if (epp->ep_fcntl_autoneg) /* efx_fcntl_set() has already set the phy capabilities */ fcntl = MC_CMD_FCNTL_AUTO; else if (epp->ep_fcntl & EFX_FCNTL_RESPOND) fcntl = (epp->ep_fcntl & EFX_FCNTL_GENERATE) ? MC_CMD_FCNTL_BIDIR : MC_CMD_FCNTL_RESPOND; else fcntl = MC_CMD_FCNTL_OFF; MCDI_IN_SET_DWORD(req, SET_MAC_IN_FCNTL, fcntl); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } /* Push multicast hash. Set the broadcast bit (0xff) appropriately */ req.emr_cmd = MC_CMD_SET_MCAST_HASH; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_SET_MCAST_HASH_IN_LEN; EFX_STATIC_ASSERT(MC_CMD_SET_MCAST_HASH_OUT_LEN == 0); req.emr_out_buf = NULL; req.emr_out_length = 0; memcpy(MCDI_IN2(req, uint8_t, SET_MCAST_HASH_IN_HASH0), epp->ep_multicst_hash, sizeof (epp->ep_multicst_hash)); if (epp->ep_brdcst) EFX_SET_OWORD_BIT(*MCDI_IN2(req, efx_oword_t, SET_MCAST_HASH_IN_HASH1), 0x7f); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail2; } return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } #if EFSYS_OPT_LOOPBACK __checkReturn int siena_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); efx_phy_ops_t *epop = epp->ep_epop; efx_loopback_type_t old_loopback_type; efx_link_mode_t old_loopback_link_mode; int rc; /* The PHY object handles this on Siena */ 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_PROBE(fail2); 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 int siena_mac_stats_clear( __in efx_nic_t *enp) { uint8_t payload[MC_CMD_MAC_STATS_IN_LEN]; efx_mcdi_req_t req; int rc; req.emr_cmd = MC_CMD_MAC_STATS; req.emr_in_buf = payload; req.emr_in_length = sizeof (payload); EFX_STATIC_ASSERT(MC_CMD_MAC_STATS_OUT_DMA_LEN == 0); req.emr_out_buf = NULL; req.emr_out_length = 0; MCDI_IN_POPULATE_DWORD_3(req, MAC_STATS_IN_CMD, MAC_STATS_IN_DMA, 0, MAC_STATS_IN_CLEAR, 1, MAC_STATS_IN_PERIODIC_CHANGE, 0); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } __checkReturn int siena_mac_stats_upload( __in efx_nic_t *enp, __in efsys_mem_t *esmp) { uint8_t payload[MC_CMD_MAC_STATS_IN_LEN]; efx_mcdi_req_t req; size_t bytes; int rc; EFX_STATIC_ASSERT(MC_CMD_MAC_NSTATS * sizeof (uint64_t) <= EFX_MAC_STATS_SIZE); bytes = MC_CMD_MAC_NSTATS * sizeof (uint64_t); req.emr_cmd = MC_CMD_MAC_STATS; req.emr_in_buf = payload; req.emr_in_length = sizeof (payload); EFX_STATIC_ASSERT(MC_CMD_MAC_STATS_OUT_DMA_LEN == 0); req.emr_out_buf = NULL; req.emr_out_length = 0; MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_LO, EFSYS_MEM_ADDR(esmp) & 0xffffffff); MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_HI, EFSYS_MEM_ADDR(esmp) >> 32); MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_LEN, bytes); /* * The MC DMAs aggregate statistics for our convinience, so we can * avoid having to pull the statistics buffer into the cache to * maintain cumulative statistics. */ MCDI_IN_POPULATE_DWORD_3(req, MAC_STATS_IN_CMD, MAC_STATS_IN_DMA, 1, MAC_STATS_IN_CLEAR, 0, MAC_STATS_IN_PERIODIC_CHANGE, 0); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } __checkReturn int siena_mac_stats_periodic( __in efx_nic_t *enp, __in efsys_mem_t *esmp, __in uint16_t period, __in boolean_t events) { uint8_t payload[MC_CMD_MAC_STATS_IN_LEN]; efx_mcdi_req_t req; size_t bytes; int rc; bytes = MC_CMD_MAC_NSTATS * sizeof (uint64_t); req.emr_cmd = MC_CMD_MAC_STATS; req.emr_in_buf = payload; req.emr_in_length = sizeof (payload); EFX_STATIC_ASSERT(MC_CMD_MAC_STATS_OUT_DMA_LEN == 0); req.emr_out_buf = NULL; req.emr_out_length = 0; MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_LO, EFSYS_MEM_ADDR(esmp) & 0xffffffff); MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_HI, EFSYS_MEM_ADDR(esmp) >> 32); MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_LEN, bytes); /* * The MC DMAs aggregate statistics for our convinience, so we can * avoid having to pull the statistics buffer into the cache to * maintain cumulative statistics. */ MCDI_IN_POPULATE_DWORD_6(req, MAC_STATS_IN_CMD, MAC_STATS_IN_DMA, 0, MAC_STATS_IN_CLEAR, 0, MAC_STATS_IN_PERIODIC_CHANGE, 1, MAC_STATS_IN_PERIODIC_ENABLE, period ? 1 : 0, MAC_STATS_IN_PERIODIC_NOEVENT, events ? 0 : 1, MAC_STATS_IN_PERIOD_MS, period); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); } #define SIENA_MAC_STAT_READ(_esmp, _field, _eqp) \ EFSYS_MEM_READQ((_esmp), (_field) * sizeof (efx_qword_t), _eqp) __checkReturn int siena_mac_stats_update( __in efx_nic_t *enp, __in efsys_mem_t *esmp, __out_ecount(EFX_MAC_NSTATS) efsys_stat_t *stat, __out_opt uint32_t *generationp) { efx_qword_t rx_pkts; efx_qword_t value; efx_qword_t generation_start; efx_qword_t generation_end; _NOTE(ARGUNUSED(enp)) /* Read END first so we don't race with the MC */ SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_END, &generation_end); EFSYS_MEM_READ_BARRIER(); /* TX */ SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_CONTROL_PKTS, &value); EFSYS_STAT_SUBR_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PAUSE_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PAUSE_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_UNICAST_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_UNICST_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTICAST_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULTICST_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BROADCAST_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_BRDCST_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BYTES, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_OCTETS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LT64_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_64_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value); SIENA_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); SIENA_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); SIENA_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); SIENA_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); SIENA_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); SIENA_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); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_GTJUMBO_PKTS, &value); EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_TX_GE_15XX_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BAD_FCS_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_ERRORS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_SINGLE_COLLISION_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_SGL_COL_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTIPLE_COLLISION_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULT_COL_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_EXCESSIVE_COLLISION_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_EX_COL_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LATE_COLLISION_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LATE_COL_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_DEFERRED_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_DEF_PKTS]), &value); SIENA_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 */ SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BYTES, &rx_pkts); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_OCTETS]), &rx_pkts); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNICAST_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_UNICST_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MULTICAST_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MULTICST_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BROADCAST_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_BRDCST_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PAUSE_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PAUSE_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNDERSIZE_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_64_PKTS, &value); EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value); SIENA_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); SIENA_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); SIENA_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); SIENA_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); SIENA_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); SIENA_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); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_GTJUMBO_PKTS, &value); EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_GE_15XX_PKTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BAD_FCS_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FCS_ERRORS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_OVERFLOW_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_DROP_EVENTS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_FALSE_CARRIER_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FALSE_CARRIER_ERRORS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_SYMBOL_ERROR_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_SYMBOL_ERRORS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_ALIGN_ERROR_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_ALIGN_ERRORS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_INTERNAL_ERROR_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_INTERNAL_ERRORS]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_JABBER_PKTS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_JABBER_PKTS]), &value); SIENA_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])); SIENA_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])); SIENA_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])); SIENA_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])); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MATCH_FAULT, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MATCH_FAULT]), &value); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_NODESC_DROPS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_NODESC_DROP_CNT]), &value); EFSYS_MEM_READ_BARRIER(); SIENA_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 */ if (memcmp(&generation_start, &generation_end, sizeof (generation_start))) return (EAGAIN); if (generationp) *generationp = EFX_QWORD_FIELD(generation_start, EFX_DWORD_0); return (0); } #endif /* EFSYS_OPT_MAC_STATS */ #endif /* EFSYS_OPT_SIENA */