diff options
Diffstat (limited to 'drivers/net/sfc/base/efx_mac.c')
| -rw-r--r-- | drivers/net/sfc/base/efx_mac.c | 951 |
1 files changed, 951 insertions, 0 deletions
diff --git a/drivers/net/sfc/base/efx_mac.c b/drivers/net/sfc/base/efx_mac.c new file mode 100644 index 00000000..752e7205 --- /dev/null +++ b/drivers/net/sfc/base/efx_mac.c @@ -0,0 +1,951 @@ +/* + * Copyright (c) 2007-2016 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 "efx.h" +#include "efx_impl.h" + +#if EFSYS_OPT_SIENA + +static __checkReturn efx_rc_t +siena_mac_multicast_list_set( + __in efx_nic_t *enp); + +#endif /* EFSYS_OPT_SIENA */ + +#if EFSYS_OPT_SIENA +static const efx_mac_ops_t __efx_siena_mac_ops = { + siena_mac_poll, /* emo_poll */ + siena_mac_up, /* emo_up */ + siena_mac_reconfigure, /* emo_addr_set */ + siena_mac_reconfigure, /* emo_pdu_set */ + siena_mac_pdu_get, /* emo_pdu_get */ + siena_mac_reconfigure, /* emo_reconfigure */ + siena_mac_multicast_list_set, /* emo_multicast_list_set */ + NULL, /* emo_filter_set_default_rxq */ + NULL, /* emo_filter_default_rxq_clear */ +#if EFSYS_OPT_LOOPBACK + siena_mac_loopback_set, /* emo_loopback_set */ +#endif /* EFSYS_OPT_LOOPBACK */ +#if EFSYS_OPT_MAC_STATS + siena_mac_stats_get_mask, /* emo_stats_get_mask */ + efx_mcdi_mac_stats_clear, /* emo_stats_clear */ + efx_mcdi_mac_stats_upload, /* emo_stats_upload */ + efx_mcdi_mac_stats_periodic, /* emo_stats_periodic */ + siena_mac_stats_update /* emo_stats_update */ +#endif /* EFSYS_OPT_MAC_STATS */ +}; +#endif /* EFSYS_OPT_SIENA */ + +#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD +static const efx_mac_ops_t __efx_ef10_mac_ops = { + ef10_mac_poll, /* emo_poll */ + ef10_mac_up, /* emo_up */ + ef10_mac_addr_set, /* emo_addr_set */ + ef10_mac_pdu_set, /* emo_pdu_set */ + ef10_mac_pdu_get, /* emo_pdu_get */ + ef10_mac_reconfigure, /* emo_reconfigure */ + ef10_mac_multicast_list_set, /* emo_multicast_list_set */ + ef10_mac_filter_default_rxq_set, /* emo_filter_default_rxq_set */ + ef10_mac_filter_default_rxq_clear, + /* emo_filter_default_rxq_clear */ +#if EFSYS_OPT_LOOPBACK + ef10_mac_loopback_set, /* emo_loopback_set */ +#endif /* EFSYS_OPT_LOOPBACK */ +#if EFSYS_OPT_MAC_STATS + ef10_mac_stats_get_mask, /* emo_stats_get_mask */ + efx_mcdi_mac_stats_clear, /* emo_stats_clear */ + efx_mcdi_mac_stats_upload, /* emo_stats_upload */ + efx_mcdi_mac_stats_periodic, /* emo_stats_periodic */ + ef10_mac_stats_update /* emo_stats_update */ +#endif /* EFSYS_OPT_MAC_STATS */ +}; +#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ + + __checkReturn efx_rc_t +efx_mac_pdu_set( + __in efx_nic_t *enp, + __in size_t pdu) +{ + efx_port_t *epp = &(enp->en_port); + const efx_mac_ops_t *emop = epp->ep_emop; + uint32_t old_pdu; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + EFSYS_ASSERT(emop != NULL); + + if (pdu < EFX_MAC_PDU_MIN) { + rc = EINVAL; + goto fail1; + } + + if (pdu > EFX_MAC_PDU_MAX) { + rc = EINVAL; + goto fail2; + } + + old_pdu = epp->ep_mac_pdu; + epp->ep_mac_pdu = (uint32_t)pdu; + if ((rc = emop->emo_pdu_set(enp)) != 0) + goto fail3; + + return (0); + +fail3: + EFSYS_PROBE(fail3); + + epp->ep_mac_pdu = old_pdu; + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_mac_pdu_get( + __in efx_nic_t *enp, + __out size_t *pdu) +{ + efx_port_t *epp = &(enp->en_port); + const efx_mac_ops_t *emop = epp->ep_emop; + efx_rc_t rc; + + if ((rc = emop->emo_pdu_get(enp, pdu)) != 0) + goto fail1; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_mac_addr_set( + __in efx_nic_t *enp, + __in uint8_t *addr) +{ + efx_port_t *epp = &(enp->en_port); + const efx_mac_ops_t *emop = epp->ep_emop; + uint8_t old_addr[6]; + uint32_t oui; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + + if (EFX_MAC_ADDR_IS_MULTICAST(addr)) { + rc = EINVAL; + goto fail1; + } + + oui = addr[0] << 16 | addr[1] << 8 | addr[2]; + if (oui == 0x000000) { + rc = EINVAL; + goto fail2; + } + + EFX_MAC_ADDR_COPY(old_addr, epp->ep_mac_addr); + EFX_MAC_ADDR_COPY(epp->ep_mac_addr, addr); + if ((rc = emop->emo_addr_set(enp)) != 0) + goto fail3; + + return (0); + +fail3: + EFSYS_PROBE(fail3); + + EFX_MAC_ADDR_COPY(epp->ep_mac_addr, old_addr); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_mac_filter_set( + __in efx_nic_t *enp, + __in boolean_t all_unicst, + __in boolean_t mulcst, + __in boolean_t all_mulcst, + __in boolean_t brdcst) +{ + efx_port_t *epp = &(enp->en_port); + const efx_mac_ops_t *emop = epp->ep_emop; + boolean_t old_all_unicst; + boolean_t old_mulcst; + boolean_t old_all_mulcst; + boolean_t old_brdcst; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + + old_all_unicst = epp->ep_all_unicst; + old_mulcst = epp->ep_mulcst; + old_all_mulcst = epp->ep_all_mulcst; + old_brdcst = epp->ep_brdcst; + + epp->ep_all_unicst = all_unicst; + epp->ep_mulcst = mulcst; + epp->ep_all_mulcst = all_mulcst; + epp->ep_brdcst = brdcst; + + if ((rc = emop->emo_reconfigure(enp)) != 0) + goto fail1; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + epp->ep_all_unicst = old_all_unicst; + epp->ep_mulcst = old_mulcst; + epp->ep_all_mulcst = old_all_mulcst; + epp->ep_brdcst = old_brdcst; + + return (rc); +} + + __checkReturn efx_rc_t +efx_mac_drain( + __in efx_nic_t *enp, + __in boolean_t enabled) +{ + efx_port_t *epp = &(enp->en_port); + const efx_mac_ops_t *emop = epp->ep_emop; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + EFSYS_ASSERT(emop != NULL); + + if (epp->ep_mac_drain == enabled) + return (0); + + epp->ep_mac_drain = enabled; + + 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 +efx_mac_up( + __in efx_nic_t *enp, + __out boolean_t *mac_upp) +{ + efx_port_t *epp = &(enp->en_port); + const efx_mac_ops_t *emop = epp->ep_emop; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + + if ((rc = emop->emo_up(enp, mac_upp)) != 0) + goto fail1; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_mac_fcntl_set( + __in efx_nic_t *enp, + __in unsigned int fcntl, + __in boolean_t autoneg) +{ + efx_port_t *epp = &(enp->en_port); + const efx_mac_ops_t *emop = epp->ep_emop; + const efx_phy_ops_t *epop = epp->ep_epop; + unsigned int old_fcntl; + boolean_t old_autoneg; + unsigned int old_adv_cap; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + + if ((fcntl & ~(EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE)) != 0) { + rc = EINVAL; + goto fail1; + } + + /* + * Ignore a request to set flow control auto-negotiation + * if the PHY doesn't support it. + */ + if (~epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN)) + autoneg = B_FALSE; + + old_fcntl = epp->ep_fcntl; + old_autoneg = epp->ep_fcntl_autoneg; + old_adv_cap = epp->ep_adv_cap_mask; + + epp->ep_fcntl = fcntl; + epp->ep_fcntl_autoneg = autoneg; + + /* + * Always encode the flow control settings in the advertised + * capabilities even if we are not trying to auto-negotiate + * them and reconfigure both the PHY and the MAC. + */ + if (fcntl & EFX_FCNTL_RESPOND) + epp->ep_adv_cap_mask |= (1 << EFX_PHY_CAP_PAUSE | + 1 << EFX_PHY_CAP_ASYM); + else + epp->ep_adv_cap_mask &= ~(1 << EFX_PHY_CAP_PAUSE | + 1 << EFX_PHY_CAP_ASYM); + + if (fcntl & EFX_FCNTL_GENERATE) + epp->ep_adv_cap_mask ^= (1 << EFX_PHY_CAP_ASYM); + + if ((rc = epop->epo_reconfigure(enp)) != 0) + goto fail2; + + if ((rc = emop->emo_reconfigure(enp)) != 0) + goto fail3; + + return (0); + +fail3: + EFSYS_PROBE(fail3); + +fail2: + EFSYS_PROBE(fail2); + + epp->ep_fcntl = old_fcntl; + epp->ep_fcntl_autoneg = old_autoneg; + epp->ep_adv_cap_mask = old_adv_cap; + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + void +efx_mac_fcntl_get( + __in efx_nic_t *enp, + __out unsigned int *fcntl_wantedp, + __out unsigned int *fcntl_linkp) +{ + efx_port_t *epp = &(enp->en_port); + unsigned int wanted = 0; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + + /* + * Decode the requested flow control settings from the PHY + * advertised capabilities. + */ + if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_PAUSE)) + wanted = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE; + if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_ASYM)) + wanted ^= EFX_FCNTL_GENERATE; + + *fcntl_linkp = epp->ep_fcntl; + *fcntl_wantedp = wanted; +} + + __checkReturn efx_rc_t +efx_mac_multicast_list_set( + __in efx_nic_t *enp, + __in_ecount(6*count) uint8_t const *addrs, + __in int count) +{ + efx_port_t *epp = &(enp->en_port); + const efx_mac_ops_t *emop = epp->ep_emop; + uint8_t *old_mulcst_addr_list = NULL; + uint32_t old_mulcst_addr_count; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + + if (count > EFX_MAC_MULTICAST_LIST_MAX) { + rc = EINVAL; + goto fail1; + } + + old_mulcst_addr_count = epp->ep_mulcst_addr_count; + if (old_mulcst_addr_count > 0) { + /* Allocate memory to store old list (instead of using stack) */ + EFSYS_KMEM_ALLOC(enp->en_esip, + old_mulcst_addr_count * EFX_MAC_ADDR_LEN, + old_mulcst_addr_list); + if (old_mulcst_addr_list == NULL) { + rc = ENOMEM; + goto fail2; + } + + /* Save the old list in case we need to rollback */ + memcpy(old_mulcst_addr_list, epp->ep_mulcst_addr_list, + old_mulcst_addr_count * EFX_MAC_ADDR_LEN); + } + + /* Store the new list */ + memcpy(epp->ep_mulcst_addr_list, addrs, + count * EFX_MAC_ADDR_LEN); + epp->ep_mulcst_addr_count = count; + + if ((rc = emop->emo_multicast_list_set(enp)) != 0) + goto fail3; + + if (old_mulcst_addr_count > 0) { + EFSYS_KMEM_FREE(enp->en_esip, + old_mulcst_addr_count * EFX_MAC_ADDR_LEN, + old_mulcst_addr_list); + } + + return (0); + +fail3: + EFSYS_PROBE(fail3); + + /* Restore original list on failure */ + epp->ep_mulcst_addr_count = old_mulcst_addr_count; + if (old_mulcst_addr_count > 0) { + memcpy(epp->ep_mulcst_addr_list, old_mulcst_addr_list, + old_mulcst_addr_count * EFX_MAC_ADDR_LEN); + + EFSYS_KMEM_FREE(enp->en_esip, + old_mulcst_addr_count * EFX_MAC_ADDR_LEN, + old_mulcst_addr_list); + } + +fail2: + EFSYS_PROBE(fail2); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); + +} + + __checkReturn efx_rc_t +efx_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); + const efx_mac_ops_t *emop = epp->ep_emop; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + + if (emop->emo_filter_default_rxq_set != NULL) { + rc = emop->emo_filter_default_rxq_set(enp, erp, using_rss); + if (rc != 0) + goto fail1; + } + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + void +efx_mac_filter_default_rxq_clear( + __in efx_nic_t *enp) +{ + efx_port_t *epp = &(enp->en_port); + const efx_mac_ops_t *emop = epp->ep_emop; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + + if (emop->emo_filter_default_rxq_clear != NULL) + emop->emo_filter_default_rxq_clear(enp); +} + + +#if EFSYS_OPT_MAC_STATS + +#if EFSYS_OPT_NAMES + +/* START MKCONFIG GENERATED EfxMacStatNamesBlock c11b91b42f922516 */ +static const char * const __efx_mac_stat_name[] = { + "rx_octets", + "rx_pkts", + "rx_unicst_pkts", + "rx_multicst_pkts", + "rx_brdcst_pkts", + "rx_pause_pkts", + "rx_le_64_pkts", + "rx_65_to_127_pkts", + "rx_128_to_255_pkts", + "rx_256_to_511_pkts", + "rx_512_to_1023_pkts", + "rx_1024_to_15xx_pkts", + "rx_ge_15xx_pkts", + "rx_errors", + "rx_fcs_errors", + "rx_drop_events", + "rx_false_carrier_errors", + "rx_symbol_errors", + "rx_align_errors", + "rx_internal_errors", + "rx_jabber_pkts", + "rx_lane0_char_err", + "rx_lane1_char_err", + "rx_lane2_char_err", + "rx_lane3_char_err", + "rx_lane0_disp_err", + "rx_lane1_disp_err", + "rx_lane2_disp_err", + "rx_lane3_disp_err", + "rx_match_fault", + "rx_nodesc_drop_cnt", + "tx_octets", + "tx_pkts", + "tx_unicst_pkts", + "tx_multicst_pkts", + "tx_brdcst_pkts", + "tx_pause_pkts", + "tx_le_64_pkts", + "tx_65_to_127_pkts", + "tx_128_to_255_pkts", + "tx_256_to_511_pkts", + "tx_512_to_1023_pkts", + "tx_1024_to_15xx_pkts", + "tx_ge_15xx_pkts", + "tx_errors", + "tx_sgl_col_pkts", + "tx_mult_col_pkts", + "tx_ex_col_pkts", + "tx_late_col_pkts", + "tx_def_pkts", + "tx_ex_def_pkts", + "pm_trunc_bb_overflow", + "pm_discard_bb_overflow", + "pm_trunc_vfifo_full", + "pm_discard_vfifo_full", + "pm_trunc_qbb", + "pm_discard_qbb", + "pm_discard_mapping", + "rxdp_q_disabled_pkts", + "rxdp_di_dropped_pkts", + "rxdp_streaming_pkts", + "rxdp_hlb_fetch", + "rxdp_hlb_wait", + "vadapter_rx_unicast_packets", + "vadapter_rx_unicast_bytes", + "vadapter_rx_multicast_packets", + "vadapter_rx_multicast_bytes", + "vadapter_rx_broadcast_packets", + "vadapter_rx_broadcast_bytes", + "vadapter_rx_bad_packets", + "vadapter_rx_bad_bytes", + "vadapter_rx_overflow", + "vadapter_tx_unicast_packets", + "vadapter_tx_unicast_bytes", + "vadapter_tx_multicast_packets", + "vadapter_tx_multicast_bytes", + "vadapter_tx_broadcast_packets", + "vadapter_tx_broadcast_bytes", + "vadapter_tx_bad_packets", + "vadapter_tx_bad_bytes", + "vadapter_tx_overflow", +}; +/* END MKCONFIG GENERATED EfxMacStatNamesBlock */ + + __checkReturn const char * +efx_mac_stat_name( + __in efx_nic_t *enp, + __in unsigned int id) +{ + _NOTE(ARGUNUSED(enp)) + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + + EFSYS_ASSERT3U(id, <, EFX_MAC_NSTATS); + return (__efx_mac_stat_name[id]); +} + +#endif /* EFSYS_OPT_NAMES */ + +static efx_rc_t +efx_mac_stats_mask_add_range( + __inout_bcount(mask_size) uint32_t *maskp, + __in size_t mask_size, + __in const struct efx_mac_stats_range *rngp) +{ + unsigned int mask_npages = mask_size / sizeof (*maskp); + unsigned int el; + unsigned int el_min; + unsigned int el_max; + unsigned int low; + unsigned int high; + unsigned int width; + efx_rc_t rc; + + if ((mask_npages * EFX_MAC_STATS_MASK_BITS_PER_PAGE) <= + (unsigned int)rngp->last) { + rc = EINVAL; + goto fail1; + } + + EFSYS_ASSERT3U(rngp->first, <=, rngp->last); + EFSYS_ASSERT3U(rngp->last, <, EFX_MAC_NSTATS); + + for (el = 0; el < mask_npages; ++el) { + el_min = el * EFX_MAC_STATS_MASK_BITS_PER_PAGE; + el_max = + el_min + (EFX_MAC_STATS_MASK_BITS_PER_PAGE - 1); + if ((unsigned int)rngp->first > el_max || + (unsigned int)rngp->last < el_min) + continue; + low = MAX((unsigned int)rngp->first, el_min); + high = MIN((unsigned int)rngp->last, el_max); + width = high - low + 1; + maskp[el] |= + (width == EFX_MAC_STATS_MASK_BITS_PER_PAGE) ? + (~0ULL) : (((1ULL << width) - 1) << (low - el_min)); + } + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + efx_rc_t +efx_mac_stats_mask_add_ranges( + __inout_bcount(mask_size) uint32_t *maskp, + __in size_t mask_size, + __in_ecount(rng_count) const struct efx_mac_stats_range *rngp, + __in unsigned int rng_count) +{ + unsigned int i; + efx_rc_t rc; + + for (i = 0; i < rng_count; ++i) { + if ((rc = efx_mac_stats_mask_add_range(maskp, mask_size, + &rngp[i])) != 0) + goto fail1; + } + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_mac_stats_get_mask( + __in efx_nic_t *enp, + __out_bcount(mask_size) uint32_t *maskp, + __in size_t mask_size) +{ + efx_port_t *epp = &(enp->en_port); + const efx_mac_ops_t *emop = epp->ep_emop; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE); + EFSYS_ASSERT(maskp != NULL); + EFSYS_ASSERT(mask_size % sizeof (maskp[0]) == 0); + + (void) memset(maskp, 0, mask_size); + + if ((rc = emop->emo_stats_get_mask(enp, maskp, mask_size)) != 0) + goto fail1; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_mac_stats_clear( + __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_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + EFSYS_ASSERT(emop != NULL); + + if ((rc = emop->emo_stats_clear(enp)) != 0) + goto fail1; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_mac_stats_upload( + __in efx_nic_t *enp, + __in efsys_mem_t *esmp) +{ + efx_port_t *epp = &(enp->en_port); + const efx_mac_ops_t *emop = epp->ep_emop; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + EFSYS_ASSERT(emop != NULL); + + /* + * Don't assert !ep_mac_stats_pending, because the client might + * have failed to finalise statistics when previously stopping + * the port. + */ + if ((rc = emop->emo_stats_upload(enp, esmp)) != 0) + goto fail1; + + epp->ep_mac_stats_pending = B_TRUE; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_mac_stats_periodic( + __in efx_nic_t *enp, + __in efsys_mem_t *esmp, + __in uint16_t period_ms, + __in boolean_t events) +{ + efx_port_t *epp = &(enp->en_port); + const efx_mac_ops_t *emop = epp->ep_emop; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + + EFSYS_ASSERT(emop != NULL); + + if (emop->emo_stats_periodic == NULL) { + rc = EINVAL; + goto fail1; + } + + if ((rc = emop->emo_stats_periodic(enp, esmp, period_ms, events)) != 0) + goto fail2; + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + + __checkReturn efx_rc_t +efx_mac_stats_update( + __in efx_nic_t *enp, + __in efsys_mem_t *esmp, + __inout_ecount(EFX_MAC_NSTATS) efsys_stat_t *essp, + __inout_opt uint32_t *generationp) +{ + efx_port_t *epp = &(enp->en_port); + const efx_mac_ops_t *emop = epp->ep_emop; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + EFSYS_ASSERT(emop != NULL); + + rc = emop->emo_stats_update(enp, esmp, essp, generationp); + if (rc == 0) + epp->ep_mac_stats_pending = B_FALSE; + + return (rc); +} + +#endif /* EFSYS_OPT_MAC_STATS */ + + __checkReturn efx_rc_t +efx_mac_select( + __in efx_nic_t *enp) +{ + efx_port_t *epp = &(enp->en_port); + efx_mac_type_t type = EFX_MAC_INVALID; + const efx_mac_ops_t *emop; + int rc = EINVAL; + + switch (enp->en_family) { +#if EFSYS_OPT_SIENA + case EFX_FAMILY_SIENA: + emop = &__efx_siena_mac_ops; + type = EFX_MAC_SIENA; + break; +#endif /* EFSYS_OPT_SIENA */ + +#if EFSYS_OPT_HUNTINGTON + case EFX_FAMILY_HUNTINGTON: + emop = &__efx_ef10_mac_ops; + type = EFX_MAC_HUNTINGTON; + break; +#endif /* EFSYS_OPT_HUNTINGTON */ + +#if EFSYS_OPT_MEDFORD + case EFX_FAMILY_MEDFORD: + emop = &__efx_ef10_mac_ops; + type = EFX_MAC_MEDFORD; + break; +#endif /* EFSYS_OPT_MEDFORD */ + + default: + rc = EINVAL; + goto fail1; + } + + EFSYS_ASSERT(type != EFX_MAC_INVALID); + EFSYS_ASSERT3U(type, <, EFX_MAC_NTYPES); + EFSYS_ASSERT(emop != NULL); + + epp->ep_emop = emop; + epp->ep_mac_type = type; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + +#if EFSYS_OPT_SIENA + +#define EFX_MAC_HASH_BITS (1 << 8) + +/* Compute the multicast hash as used on Falcon and Siena. */ +static void +siena_mac_multicast_hash_compute( + __in_ecount(6*count) uint8_t const *addrs, + __in int count, + __out efx_oword_t *hash_low, + __out efx_oword_t *hash_high) +{ + uint32_t crc, index; + int i; + + EFSYS_ASSERT(hash_low != NULL); + EFSYS_ASSERT(hash_high != NULL); + + EFX_ZERO_OWORD(*hash_low); + EFX_ZERO_OWORD(*hash_high); + + for (i = 0; i < count; i++) { + /* Calculate hash bucket (IEEE 802.3 CRC32 of the MAC addr) */ + crc = efx_crc32_calculate(0xffffffff, addrs, EFX_MAC_ADDR_LEN); + index = crc % EFX_MAC_HASH_BITS; + if (index < 128) { + EFX_SET_OWORD_BIT(*hash_low, index); + } else { + EFX_SET_OWORD_BIT(*hash_high, index - 128); + } + + addrs += EFX_MAC_ADDR_LEN; + } +} + +static __checkReturn efx_rc_t +siena_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_oword_t old_hash[2]; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); + + memcpy(old_hash, epp->ep_multicst_hash, sizeof (old_hash)); + + siena_mac_multicast_hash_compute( + epp->ep_mulcst_addr_list, + epp->ep_mulcst_addr_count, + &epp->ep_multicst_hash[0], + &epp->ep_multicst_hash[1]); + + if ((rc = emop->emo_reconfigure(enp)) != 0) + goto fail1; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + memcpy(epp->ep_multicst_hash, old_hash, sizeof (old_hash)); + + return (rc); +} + +#endif /* EFSYS_OPT_SIENA */ |