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/*-
* 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 */