From: Andrew Rybchenko Date: Tue, 29 Nov 2016 16:18:41 +0000 (+0000) Subject: net/sfc/base: import 5xxx/6xxx family support X-Git-Tag: spdx-start~5090 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=f7dc06bf35f2149ab98991ef6664702a45835c40;p=dpdk.git net/sfc/base: import 5xxx/6xxx family support EFSYS_OPT_SIENA should be enabled to use it. From Solarflare Communications Inc. Signed-off-by: Andrew Rybchenko Reviewed-by: Ferruh Yigit --- diff --git a/drivers/net/sfc/base/efx_check.h b/drivers/net/sfc/base/efx_check.h index 470f73c692..190ac46a2c 100644 --- a/drivers/net/sfc/base/efx_check.h +++ b/drivers/net/sfc/base/efx_check.h @@ -47,12 +47,16 @@ #if EFSYS_OPT_CHECK_REG /* Verify chip implements accessed registers */ +# if !(EFSYS_OPT_SIENA || EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD) # error "CHECK_REG requires SIENA or HUNTINGTON or MEDFORD" +# endif #endif /* EFSYS_OPT_CHECK_REG */ #if EFSYS_OPT_DECODE_INTR_FATAL /* Decode fatal errors */ +# if !EFSYS_OPT_SIENA # error "INTR_FATAL requires SIENA" +# endif #endif /* EFSYS_OPT_DECODE_INTR_FATAL */ #ifdef EFSYS_OPT_FALCON_NIC_CFG_OVERRIDE @@ -61,7 +65,9 @@ #if EFSYS_OPT_FILTER /* Support hardware packet filters */ +# if !(EFSYS_OPT_SIENA || EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD) # error "FILTER requires SIENA or HUNTINGTON or MEDFORD" +# endif #endif /* EFSYS_OPT_FILTER */ #ifdef EFSYS_OPT_MAC_FALCON_GMAC @@ -74,9 +80,17 @@ #if EFSYS_OPT_MCDI /* Support management controller messages */ +# if !(EFSYS_OPT_SIENA || EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD) # error "MCDI requires SIENA or HUNTINGTON or MEDFORD" +# endif #endif /* EFSYS_OPT_MCDI */ +#if (EFSYS_OPT_SIENA || EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD) +# if !EFSYS_OPT_MCDI +# error "SIENA or HUNTINGTON or MEDFORD requires MCDI" +# endif +#endif + #if EFSYS_OPT_MCDI_LOGGING /* Support MCDI logging */ # if !EFSYS_OPT_MCDI diff --git a/drivers/net/sfc/base/efx_ev.c b/drivers/net/sfc/base/efx_ev.c index 942dac6b78..59f4d0284d 100644 --- a/drivers/net/sfc/base/efx_ev.c +++ b/drivers/net/sfc/base/efx_ev.c @@ -39,6 +39,61 @@ +#if EFSYS_OPT_SIENA + +static __checkReturn efx_rc_t +siena_ev_init( + __in efx_nic_t *enp); + +static void +siena_ev_fini( + __in efx_nic_t *enp); + +static __checkReturn efx_rc_t +siena_ev_qcreate( + __in efx_nic_t *enp, + __in unsigned int index, + __in efsys_mem_t *esmp, + __in size_t n, + __in uint32_t id, + __in uint32_t us, + __in uint32_t flags, + __in efx_evq_t *eep); + +static void +siena_ev_qdestroy( + __in efx_evq_t *eep); + +static __checkReturn efx_rc_t +siena_ev_qprime( + __in efx_evq_t *eep, + __in unsigned int count); + +static void +siena_ev_qpost( + __in efx_evq_t *eep, + __in uint16_t data); + +static __checkReturn efx_rc_t +siena_ev_qmoderate( + __in efx_evq_t *eep, + __in unsigned int us); + +#endif /* EFSYS_OPT_SIENA */ + +#if EFSYS_OPT_SIENA +static const efx_ev_ops_t __efx_ev_siena_ops = { + siena_ev_init, /* eevo_init */ + siena_ev_fini, /* eevo_fini */ + siena_ev_qcreate, /* eevo_qcreate */ + siena_ev_qdestroy, /* eevo_qdestroy */ + siena_ev_qprime, /* eevo_qprime */ + siena_ev_qpost, /* eevo_qpost */ + siena_ev_qmoderate, /* eevo_qmoderate */ +}; +#endif /* EFSYS_OPT_SIENA */ + + __checkReturn efx_rc_t efx_ev_init( __in efx_nic_t *enp) @@ -55,6 +110,11 @@ efx_ev_init( } switch (enp->en_family) { +#if EFSYS_OPT_SIENA + case EFX_FAMILY_SIENA: + eevop = &__efx_ev_siena_ops; + break; +#endif /* EFSYS_OPT_SIENA */ default: EFSYS_ASSERT(0); @@ -440,3 +500,726 @@ fail1: return (rc); } +#if EFSYS_OPT_SIENA + +static __checkReturn efx_rc_t +siena_ev_init( + __in efx_nic_t *enp) +{ + efx_oword_t oword; + + /* + * Program the event queue for receive and transmit queue + * flush events. + */ + EFX_BAR_READO(enp, FR_AZ_DP_CTRL_REG, &oword); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_FLS_EVQ_ID, 0); + EFX_BAR_WRITEO(enp, FR_AZ_DP_CTRL_REG, &oword); + + return (0); + +} + +static __checkReturn boolean_t +siena_ev_rx_not_ok( + __in efx_evq_t *eep, + __in efx_qword_t *eqp, + __in uint32_t label, + __in uint32_t id, + __inout uint16_t *flagsp) +{ + boolean_t ignore = B_FALSE; + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_TOBE_DISC) != 0) { + EFX_EV_QSTAT_INCR(eep, EV_RX_TOBE_DISC); + EFSYS_PROBE(tobe_disc); + /* + * Assume this is a unicast address mismatch, unless below + * we find either FSF_AZ_RX_EV_ETH_CRC_ERR or + * EV_RX_PAUSE_FRM_ERR is set. + */ + (*flagsp) |= EFX_ADDR_MISMATCH; + } + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_FRM_TRUNC) != 0) { + EFSYS_PROBE2(frm_trunc, uint32_t, label, uint32_t, id); + EFX_EV_QSTAT_INCR(eep, EV_RX_FRM_TRUNC); + (*flagsp) |= EFX_DISCARD; + + } + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_ETH_CRC_ERR) != 0) { + EFX_EV_QSTAT_INCR(eep, EV_RX_ETH_CRC_ERR); + EFSYS_PROBE(crc_err); + (*flagsp) &= ~EFX_ADDR_MISMATCH; + (*flagsp) |= EFX_DISCARD; + } + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PAUSE_FRM_ERR) != 0) { + EFX_EV_QSTAT_INCR(eep, EV_RX_PAUSE_FRM_ERR); + EFSYS_PROBE(pause_frm_err); + (*flagsp) &= ~EFX_ADDR_MISMATCH; + (*flagsp) |= EFX_DISCARD; + } + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BUF_OWNER_ID_ERR) != 0) { + EFX_EV_QSTAT_INCR(eep, EV_RX_BUF_OWNER_ID_ERR); + EFSYS_PROBE(owner_id_err); + (*flagsp) |= EFX_DISCARD; + } + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_IP_HDR_CHKSUM_ERR) != 0) { + EFX_EV_QSTAT_INCR(eep, EV_RX_IPV4_HDR_CHKSUM_ERR); + EFSYS_PROBE(ipv4_err); + (*flagsp) &= ~EFX_CKSUM_IPV4; + } + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_TCP_UDP_CHKSUM_ERR) != 0) { + EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_UDP_CHKSUM_ERR); + EFSYS_PROBE(udp_chk_err); + (*flagsp) &= ~EFX_CKSUM_TCPUDP; + } + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_IP_FRAG_ERR) != 0) { + EFX_EV_QSTAT_INCR(eep, EV_RX_IP_FRAG_ERR); + + /* + * If IP is fragmented FSF_AZ_RX_EV_IP_FRAG_ERR is set. This + * causes FSF_AZ_RX_EV_PKT_OK to be clear. This is not an error + * condition. + */ + (*flagsp) &= ~(EFX_PKT_TCP | EFX_PKT_UDP | EFX_CKSUM_TCPUDP); + } + + return (ignore); +} + +static __checkReturn boolean_t +siena_ev_rx( + __in efx_evq_t *eep, + __in efx_qword_t *eqp, + __in const efx_ev_callbacks_t *eecp, + __in_opt void *arg) +{ + uint32_t id; + uint32_t size; + uint32_t label; + boolean_t ok; + uint32_t hdr_type; + boolean_t is_v6; + uint16_t flags; + boolean_t ignore; + boolean_t should_abort; + + EFX_EV_QSTAT_INCR(eep, EV_RX); + + /* Basic packet information */ + id = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_DESC_PTR); + size = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BYTE_CNT); + label = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_Q_LABEL); + ok = (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PKT_OK) != 0); + + hdr_type = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_HDR_TYPE); + + is_v6 = (EFX_QWORD_FIELD(*eqp, FSF_CZ_RX_EV_IPV6_PKT) != 0); + + /* + * If packet is marked as OK and packet type is TCP/IP or + * UDP/IP or other IP, then we can rely on the hardware checksums. + */ + switch (hdr_type) { + case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_TCP: + flags = EFX_PKT_TCP | EFX_CKSUM_TCPUDP; + if (is_v6) { + EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV6); + flags |= EFX_PKT_IPV6; + } else { + EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV4); + flags |= EFX_PKT_IPV4 | EFX_CKSUM_IPV4; + } + break; + + case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_UDP: + flags = EFX_PKT_UDP | EFX_CKSUM_TCPUDP; + if (is_v6) { + EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV6); + flags |= EFX_PKT_IPV6; + } else { + EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV4); + flags |= EFX_PKT_IPV4 | EFX_CKSUM_IPV4; + } + break; + + case FSE_AZ_RX_EV_HDR_TYPE_IPV4V6_OTHER: + if (is_v6) { + EFX_EV_QSTAT_INCR(eep, EV_RX_OTHER_IPV6); + flags = EFX_PKT_IPV6; + } else { + EFX_EV_QSTAT_INCR(eep, EV_RX_OTHER_IPV4); + flags = EFX_PKT_IPV4 | EFX_CKSUM_IPV4; + } + break; + + case FSE_AZ_RX_EV_HDR_TYPE_OTHER: + EFX_EV_QSTAT_INCR(eep, EV_RX_NON_IP); + flags = 0; + break; + + default: + EFSYS_ASSERT(B_FALSE); + flags = 0; + break; + } + + /* Detect errors included in the FSF_AZ_RX_EV_PKT_OK indication */ + if (!ok) { + ignore = siena_ev_rx_not_ok(eep, eqp, label, id, &flags); + if (ignore) { + EFSYS_PROBE4(rx_complete, uint32_t, label, uint32_t, id, + uint32_t, size, uint16_t, flags); + + return (B_FALSE); + } + } + + /* If we're not discarding the packet then it is ok */ + if (~flags & EFX_DISCARD) + EFX_EV_QSTAT_INCR(eep, EV_RX_OK); + + /* Detect multicast packets that didn't match the filter */ + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_MCAST_PKT) != 0) { + EFX_EV_QSTAT_INCR(eep, EV_RX_MCAST_PKT); + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_MCAST_HASH_MATCH) != 0) { + EFX_EV_QSTAT_INCR(eep, EV_RX_MCAST_HASH_MATCH); + } else { + EFSYS_PROBE(mcast_mismatch); + flags |= EFX_ADDR_MISMATCH; + } + } else { + flags |= EFX_PKT_UNICAST; + } + + /* + * The packet parser in Siena can abort parsing packets under + * certain error conditions, setting the PKT_NOT_PARSED bit + * (which clears PKT_OK). If this is set, then don't trust + * the PKT_TYPE field. + */ + if (!ok) { + uint32_t parse_err; + + parse_err = EFX_QWORD_FIELD(*eqp, FSF_CZ_RX_EV_PKT_NOT_PARSED); + if (parse_err != 0) + flags |= EFX_CHECK_VLAN; + } + + if (~flags & EFX_CHECK_VLAN) { + uint32_t pkt_type; + + pkt_type = EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_PKT_TYPE); + if (pkt_type >= FSE_AZ_RX_EV_PKT_TYPE_VLAN) + flags |= EFX_PKT_VLAN_TAGGED; + } + + EFSYS_PROBE4(rx_complete, uint32_t, label, uint32_t, id, + uint32_t, size, uint16_t, flags); + + EFSYS_ASSERT(eecp->eec_rx != NULL); + should_abort = eecp->eec_rx(arg, label, id, size, flags); + + return (should_abort); +} + +static __checkReturn boolean_t +siena_ev_tx( + __in efx_evq_t *eep, + __in efx_qword_t *eqp, + __in const efx_ev_callbacks_t *eecp, + __in_opt void *arg) +{ + uint32_t id; + uint32_t label; + boolean_t should_abort; + + EFX_EV_QSTAT_INCR(eep, EV_TX); + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_COMP) != 0 && + EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_ERR) == 0 && + EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_TOO_BIG) == 0 && + EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_WQ_FF_FULL) == 0) { + + id = EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_DESC_PTR); + label = EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_Q_LABEL); + + EFSYS_PROBE2(tx_complete, uint32_t, label, uint32_t, id); + + EFSYS_ASSERT(eecp->eec_tx != NULL); + should_abort = eecp->eec_tx(arg, label, id); + + return (should_abort); + } + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_COMP) != 0) + EFSYS_PROBE3(bad_event, unsigned int, eep->ee_index, + uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_1), + uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_0)); + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_ERR) != 0) + EFX_EV_QSTAT_INCR(eep, EV_TX_PKT_ERR); + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_PKT_TOO_BIG) != 0) + EFX_EV_QSTAT_INCR(eep, EV_TX_PKT_TOO_BIG); + + if (EFX_QWORD_FIELD(*eqp, FSF_AZ_TX_EV_WQ_FF_FULL) != 0) + EFX_EV_QSTAT_INCR(eep, EV_TX_WQ_FF_FULL); + + EFX_EV_QSTAT_INCR(eep, EV_TX_UNEXPECTED); + return (B_FALSE); +} + +static __checkReturn boolean_t +siena_ev_global( + __in efx_evq_t *eep, + __in efx_qword_t *eqp, + __in const efx_ev_callbacks_t *eecp, + __in_opt void *arg) +{ + _NOTE(ARGUNUSED(eqp, eecp, arg)) + + EFX_EV_QSTAT_INCR(eep, EV_GLOBAL); + + return (B_FALSE); +} + +static __checkReturn boolean_t +siena_ev_driver( + __in efx_evq_t *eep, + __in efx_qword_t *eqp, + __in const efx_ev_callbacks_t *eecp, + __in_opt void *arg) +{ + boolean_t should_abort; + + EFX_EV_QSTAT_INCR(eep, EV_DRIVER); + should_abort = B_FALSE; + + switch (EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBCODE)) { + case FSE_AZ_TX_DESCQ_FLS_DONE_EV: { + uint32_t txq_index; + + EFX_EV_QSTAT_INCR(eep, EV_DRIVER_TX_DESCQ_FLS_DONE); + + txq_index = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); + + EFSYS_PROBE1(tx_descq_fls_done, uint32_t, txq_index); + + EFSYS_ASSERT(eecp->eec_txq_flush_done != NULL); + should_abort = eecp->eec_txq_flush_done(arg, txq_index); + + break; + } + case FSE_AZ_RX_DESCQ_FLS_DONE_EV: { + uint32_t rxq_index; + uint32_t failed; + + rxq_index = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_RX_DESCQ_ID); + failed = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_RX_FLUSH_FAIL); + + EFSYS_ASSERT(eecp->eec_rxq_flush_done != NULL); + EFSYS_ASSERT(eecp->eec_rxq_flush_failed != NULL); + + if (failed) { + EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DESCQ_FLS_FAILED); + + EFSYS_PROBE1(rx_descq_fls_failed, uint32_t, rxq_index); + + should_abort = eecp->eec_rxq_flush_failed(arg, + rxq_index); + } else { + EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DESCQ_FLS_DONE); + + EFSYS_PROBE1(rx_descq_fls_done, uint32_t, rxq_index); + + should_abort = eecp->eec_rxq_flush_done(arg, rxq_index); + } + + break; + } + case FSE_AZ_EVQ_INIT_DONE_EV: + EFSYS_ASSERT(eecp->eec_initialized != NULL); + should_abort = eecp->eec_initialized(arg); + + break; + + case FSE_AZ_EVQ_NOT_EN_EV: + EFSYS_PROBE(evq_not_en); + break; + + case FSE_AZ_SRM_UPD_DONE_EV: { + uint32_t code; + + EFX_EV_QSTAT_INCR(eep, EV_DRIVER_SRM_UPD_DONE); + + code = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); + + EFSYS_ASSERT(eecp->eec_sram != NULL); + should_abort = eecp->eec_sram(arg, code); + + break; + } + case FSE_AZ_WAKE_UP_EV: { + uint32_t id; + + id = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); + + EFSYS_ASSERT(eecp->eec_wake_up != NULL); + should_abort = eecp->eec_wake_up(arg, id); + + break; + } + case FSE_AZ_TX_PKT_NON_TCP_UDP: + EFSYS_PROBE(tx_pkt_non_tcp_udp); + break; + + case FSE_AZ_TIMER_EV: { + uint32_t id; + + id = EFX_QWORD_FIELD(*eqp, FSF_AZ_DRIVER_EV_SUBDATA); + + EFSYS_ASSERT(eecp->eec_timer != NULL); + should_abort = eecp->eec_timer(arg, id); + + break; + } + case FSE_AZ_RX_DSC_ERROR_EV: + EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DSC_ERROR); + + EFSYS_PROBE(rx_dsc_error); + + EFSYS_ASSERT(eecp->eec_exception != NULL); + should_abort = eecp->eec_exception(arg, + EFX_EXCEPTION_RX_DSC_ERROR, 0); + + break; + + case FSE_AZ_TX_DSC_ERROR_EV: + EFX_EV_QSTAT_INCR(eep, EV_DRIVER_TX_DSC_ERROR); + + EFSYS_PROBE(tx_dsc_error); + + EFSYS_ASSERT(eecp->eec_exception != NULL); + should_abort = eecp->eec_exception(arg, + EFX_EXCEPTION_TX_DSC_ERROR, 0); + + break; + + default: + break; + } + + return (should_abort); +} + +static __checkReturn boolean_t +siena_ev_drv_gen( + __in efx_evq_t *eep, + __in efx_qword_t *eqp, + __in const efx_ev_callbacks_t *eecp, + __in_opt void *arg) +{ + uint32_t data; + boolean_t should_abort; + + EFX_EV_QSTAT_INCR(eep, EV_DRV_GEN); + + data = EFX_QWORD_FIELD(*eqp, FSF_AZ_EV_DATA_DW0); + if (data >= ((uint32_t)1 << 16)) { + EFSYS_PROBE3(bad_event, unsigned int, eep->ee_index, + uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_1), + uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_0)); + return (B_TRUE); + } + + EFSYS_ASSERT(eecp->eec_software != NULL); + should_abort = eecp->eec_software(arg, (uint16_t)data); + + return (should_abort); +} + +#if EFSYS_OPT_MCDI + +static __checkReturn boolean_t +siena_ev_mcdi( + __in efx_evq_t *eep, + __in efx_qword_t *eqp, + __in const efx_ev_callbacks_t *eecp, + __in_opt void *arg) +{ + efx_nic_t *enp = eep->ee_enp; + unsigned int code; + boolean_t should_abort = B_FALSE; + + EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA); + + if (enp->en_family != EFX_FAMILY_SIENA) + goto out; + + EFSYS_ASSERT(eecp->eec_link_change != NULL); + EFSYS_ASSERT(eecp->eec_exception != NULL); + + EFX_EV_QSTAT_INCR(eep, EV_MCDI_RESPONSE); + + code = EFX_QWORD_FIELD(*eqp, MCDI_EVENT_CODE); + switch (code) { + case MCDI_EVENT_CODE_BADSSERT: + efx_mcdi_ev_death(enp, EINTR); + break; + + case MCDI_EVENT_CODE_CMDDONE: + efx_mcdi_ev_cpl(enp, + MCDI_EV_FIELD(eqp, CMDDONE_SEQ), + MCDI_EV_FIELD(eqp, CMDDONE_DATALEN), + MCDI_EV_FIELD(eqp, CMDDONE_ERRNO)); + break; + + case MCDI_EVENT_CODE_LINKCHANGE: { + efx_link_mode_t link_mode; + + siena_phy_link_ev(enp, eqp, &link_mode); + should_abort = eecp->eec_link_change(arg, link_mode); + break; + } + case MCDI_EVENT_CODE_SENSOREVT: { + should_abort = B_FALSE; + break; + } + case MCDI_EVENT_CODE_SCHEDERR: + /* Informational only */ + break; + + case MCDI_EVENT_CODE_REBOOT: + efx_mcdi_ev_death(enp, EIO); + break; + + case MCDI_EVENT_CODE_MAC_STATS_DMA: + break; + + case MCDI_EVENT_CODE_FWALERT: { + uint32_t reason = MCDI_EV_FIELD(eqp, FWALERT_REASON); + + if (reason == MCDI_EVENT_FWALERT_REASON_SRAM_ACCESS) + should_abort = eecp->eec_exception(arg, + EFX_EXCEPTION_FWALERT_SRAM, + MCDI_EV_FIELD(eqp, FWALERT_DATA)); + else + should_abort = eecp->eec_exception(arg, + EFX_EXCEPTION_UNKNOWN_FWALERT, + MCDI_EV_FIELD(eqp, DATA)); + break; + } + + default: + EFSYS_PROBE1(mc_pcol_error, int, code); + break; + } + +out: + return (should_abort); +} + +#endif /* EFSYS_OPT_MCDI */ + +static __checkReturn efx_rc_t +siena_ev_qprime( + __in efx_evq_t *eep, + __in unsigned int count) +{ + efx_nic_t *enp = eep->ee_enp; + uint32_t rptr; + efx_dword_t dword; + + rptr = count & eep->ee_mask; + + EFX_POPULATE_DWORD_1(dword, FRF_AZ_EVQ_RPTR, rptr); + + EFX_BAR_TBL_WRITED(enp, FR_AZ_EVQ_RPTR_REG, eep->ee_index, + &dword, B_FALSE); + + return (0); +} + +static void +siena_ev_qpost( + __in efx_evq_t *eep, + __in uint16_t data) +{ + efx_nic_t *enp = eep->ee_enp; + efx_qword_t ev; + efx_oword_t oword; + + EFX_POPULATE_QWORD_2(ev, FSF_AZ_EV_CODE, FSE_AZ_EV_CODE_DRV_GEN_EV, + FSF_AZ_EV_DATA_DW0, (uint32_t)data); + + EFX_POPULATE_OWORD_3(oword, FRF_AZ_DRV_EV_QID, eep->ee_index, + EFX_DWORD_0, EFX_QWORD_FIELD(ev, EFX_DWORD_0), + EFX_DWORD_1, EFX_QWORD_FIELD(ev, EFX_DWORD_1)); + + EFX_BAR_WRITEO(enp, FR_AZ_DRV_EV_REG, &oword); +} + +static __checkReturn efx_rc_t +siena_ev_qmoderate( + __in efx_evq_t *eep, + __in unsigned int us) +{ + efx_nic_t *enp = eep->ee_enp; + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + unsigned int locked; + efx_dword_t dword; + efx_rc_t rc; + + if (us > encp->enc_evq_timer_max_us) { + rc = EINVAL; + goto fail1; + } + + /* If the value is zero then disable the timer */ + if (us == 0) { + EFX_POPULATE_DWORD_2(dword, + FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_DIS, + FRF_CZ_TC_TIMER_VAL, 0); + } else { + unsigned int ticks; + + if ((rc = efx_ev_usecs_to_ticks(enp, us, &ticks)) != 0) + goto fail2; + + EFSYS_ASSERT(ticks > 0); + EFX_POPULATE_DWORD_2(dword, + FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_INT_HLDOFF, + FRF_CZ_TC_TIMER_VAL, ticks - 1); + } + + locked = (eep->ee_index == 0) ? 1 : 0; + + EFX_BAR_TBL_WRITED(enp, FR_BZ_TIMER_COMMAND_REGP0, + eep->ee_index, &dword, locked); + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +static __checkReturn efx_rc_t +siena_ev_qcreate( + __in efx_nic_t *enp, + __in unsigned int index, + __in efsys_mem_t *esmp, + __in size_t n, + __in uint32_t id, + __in uint32_t us, + __in uint32_t flags, + __in efx_evq_t *eep) +{ + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + uint32_t size; + efx_oword_t oword; + efx_rc_t rc; + boolean_t notify_mode; + + _NOTE(ARGUNUSED(esmp)) + + EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MAXNEVS)); + EFX_STATIC_ASSERT(ISP2(EFX_EVQ_MINNEVS)); + + if (!ISP2(n) || (n < EFX_EVQ_MINNEVS) || (n > EFX_EVQ_MAXNEVS)) { + rc = EINVAL; + goto fail1; + } + if (index >= encp->enc_evq_limit) { + rc = EINVAL; + goto fail2; + } + for (size = 0; (1 << size) <= (EFX_EVQ_MAXNEVS / EFX_EVQ_MINNEVS); + size++) + if ((1 << size) == (int)(n / EFX_EVQ_MINNEVS)) + break; + if (id + (1 << size) >= encp->enc_buftbl_limit) { + rc = EINVAL; + goto fail4; + } + + /* Set up the handler table */ + eep->ee_rx = siena_ev_rx; + eep->ee_tx = siena_ev_tx; + eep->ee_driver = siena_ev_driver; + eep->ee_global = siena_ev_global; + eep->ee_drv_gen = siena_ev_drv_gen; +#if EFSYS_OPT_MCDI + eep->ee_mcdi = siena_ev_mcdi; +#endif /* EFSYS_OPT_MCDI */ + + notify_mode = ((flags & EFX_EVQ_FLAGS_NOTIFY_MASK) != + EFX_EVQ_FLAGS_NOTIFY_INTERRUPT); + + /* Set up the new event queue */ + EFX_POPULATE_OWORD_3(oword, FRF_CZ_TIMER_Q_EN, 1, + FRF_CZ_HOST_NOTIFY_MODE, notify_mode, + FRF_CZ_TIMER_MODE, FFE_CZ_TIMER_MODE_DIS); + EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, index, &oword, B_TRUE); + + EFX_POPULATE_OWORD_3(oword, FRF_AZ_EVQ_EN, 1, FRF_AZ_EVQ_SIZE, size, + FRF_AZ_EVQ_BUF_BASE_ID, id); + + EFX_BAR_TBL_WRITEO(enp, FR_AZ_EVQ_PTR_TBL, index, &oword, B_TRUE); + + /* Set initial interrupt moderation */ + siena_ev_qmoderate(eep, us); + + return (0); + +fail4: + EFSYS_PROBE(fail4); +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +#endif /* EFSYS_OPT_SIENA */ + +#if EFSYS_OPT_SIENA + +static void +siena_ev_qdestroy( + __in efx_evq_t *eep) +{ + efx_nic_t *enp = eep->ee_enp; + efx_oword_t oword; + + /* Purge event queue */ + EFX_ZERO_OWORD(oword); + + EFX_BAR_TBL_WRITEO(enp, FR_AZ_EVQ_PTR_TBL, + eep->ee_index, &oword, B_TRUE); + + EFX_ZERO_OWORD(oword); + EFX_BAR_TBL_WRITEO(enp, FR_AZ_TIMER_TBL, eep->ee_index, &oword, B_TRUE); +} + +static void +siena_ev_fini( + __in efx_nic_t *enp) +{ + _NOTE(ARGUNUSED(enp)) +} + +#endif /* EFSYS_OPT_SIENA */ diff --git a/drivers/net/sfc/base/efx_filter.c b/drivers/net/sfc/base/efx_filter.c index 560562d0d6..429f2b3ebc 100644 --- a/drivers/net/sfc/base/efx_filter.c +++ b/drivers/net/sfc/base/efx_filter.c @@ -34,6 +34,51 @@ #if EFSYS_OPT_FILTER +#if EFSYS_OPT_SIENA + +static __checkReturn efx_rc_t +siena_filter_init( + __in efx_nic_t *enp); + +static void +siena_filter_fini( + __in efx_nic_t *enp); + +static __checkReturn efx_rc_t +siena_filter_restore( + __in efx_nic_t *enp); + +static __checkReturn efx_rc_t +siena_filter_add( + __in efx_nic_t *enp, + __inout efx_filter_spec_t *spec, + __in boolean_t may_replace); + +static __checkReturn efx_rc_t +siena_filter_delete( + __in efx_nic_t *enp, + __inout efx_filter_spec_t *spec); + +static __checkReturn efx_rc_t +siena_filter_supported_filters( + __in efx_nic_t *enp, + __out uint32_t *list, + __out size_t *length); + +#endif /* EFSYS_OPT_SIENA */ + +#if EFSYS_OPT_SIENA +static const efx_filter_ops_t __efx_filter_siena_ops = { + siena_filter_init, /* efo_init */ + siena_filter_fini, /* efo_fini */ + siena_filter_restore, /* efo_restore */ + siena_filter_add, /* efo_add */ + siena_filter_delete, /* efo_delete */ + siena_filter_supported_filters, /* efo_supported_filters */ + NULL, /* efo_reconfigure */ +}; +#endif /* EFSYS_OPT_SIENA */ + __checkReturn efx_rc_t efx_filter_insert( __in efx_nic_t *enp, @@ -96,6 +141,11 @@ efx_filter_init( EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_FILTER)); switch (enp->en_family) { +#if EFSYS_OPT_SIENA + case EFX_FAMILY_SIENA: + efop = &__efx_filter_siena_ops; + break; +#endif /* EFSYS_OPT_SIENA */ default: EFSYS_ASSERT(0); @@ -329,4 +379,996 @@ efx_filter_spec_set_mc_def( +#if EFSYS_OPT_SIENA + +/* + * "Fudge factors" - difference between programmed value and actual depth. + * Due to pipelined implementation we need to program H/W with a value that + * is larger than the hop limit we want. + */ +#define FILTER_CTL_SRCH_FUDGE_WILD 3 +#define FILTER_CTL_SRCH_FUDGE_FULL 1 + +/* + * Hard maximum hop limit. Hardware will time-out beyond 200-something. + * We also need to avoid infinite loops in efx_filter_search() when the + * table is full. + */ +#define FILTER_CTL_SRCH_MAX 200 + +static __checkReturn efx_rc_t +siena_filter_spec_from_gen_spec( + __out siena_filter_spec_t *sf_spec, + __in efx_filter_spec_t *gen_spec) +{ + efx_rc_t rc; + boolean_t is_full = B_FALSE; + + if (gen_spec->efs_flags & EFX_FILTER_FLAG_TX) + EFSYS_ASSERT3U(gen_spec->efs_flags, ==, EFX_FILTER_FLAG_TX); + else + EFSYS_ASSERT3U(gen_spec->efs_flags, &, EFX_FILTER_FLAG_RX); + + /* Falconsiena only has one RSS context */ + if ((gen_spec->efs_flags & EFX_FILTER_FLAG_RX_RSS) && + gen_spec->efs_rss_context != 0) { + rc = EINVAL; + goto fail1; + } + + sf_spec->sfs_flags = gen_spec->efs_flags; + sf_spec->sfs_dmaq_id = gen_spec->efs_dmaq_id; + + switch (gen_spec->efs_match_flags) { + case EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_IP_PROTO | + EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_LOC_PORT | + EFX_FILTER_MATCH_REM_HOST | EFX_FILTER_MATCH_REM_PORT: + is_full = B_TRUE; + /* Fall through */ + case EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_IP_PROTO | + EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_LOC_PORT: { + uint32_t rhost, host1, host2; + uint16_t rport, port1, port2; + + if (gen_spec->efs_ether_type != EFX_ETHER_TYPE_IPV4) { + rc = ENOTSUP; + goto fail2; + } + if (gen_spec->efs_loc_port == 0 || + (is_full && gen_spec->efs_rem_port == 0)) { + rc = EINVAL; + goto fail3; + } + switch (gen_spec->efs_ip_proto) { + case EFX_IPPROTO_TCP: + if (gen_spec->efs_flags & EFX_FILTER_FLAG_TX) { + sf_spec->sfs_type = (is_full ? + EFX_SIENA_FILTER_TX_TCP_FULL : + EFX_SIENA_FILTER_TX_TCP_WILD); + } else { + sf_spec->sfs_type = (is_full ? + EFX_SIENA_FILTER_RX_TCP_FULL : + EFX_SIENA_FILTER_RX_TCP_WILD); + } + break; + case EFX_IPPROTO_UDP: + if (gen_spec->efs_flags & EFX_FILTER_FLAG_TX) { + sf_spec->sfs_type = (is_full ? + EFX_SIENA_FILTER_TX_UDP_FULL : + EFX_SIENA_FILTER_TX_UDP_WILD); + } else { + sf_spec->sfs_type = (is_full ? + EFX_SIENA_FILTER_RX_UDP_FULL : + EFX_SIENA_FILTER_RX_UDP_WILD); + } + break; + default: + rc = ENOTSUP; + goto fail4; + } + /* + * The filter is constructed in terms of source and destination, + * with the odd wrinkle that the ports are swapped in a UDP + * wildcard filter. We need to convert from local and remote + * addresses (zero for a wildcard). + */ + rhost = is_full ? gen_spec->efs_rem_host.eo_u32[0] : 0; + rport = is_full ? gen_spec->efs_rem_port : 0; + if (gen_spec->efs_flags & EFX_FILTER_FLAG_TX) { + host1 = gen_spec->efs_loc_host.eo_u32[0]; + host2 = rhost; + } else { + host1 = rhost; + host2 = gen_spec->efs_loc_host.eo_u32[0]; + } + if (gen_spec->efs_flags & EFX_FILTER_FLAG_TX) { + if (sf_spec->sfs_type == + EFX_SIENA_FILTER_TX_UDP_WILD) { + port1 = rport; + port2 = gen_spec->efs_loc_port; + } else { + port1 = gen_spec->efs_loc_port; + port2 = rport; + } + } else { + if (sf_spec->sfs_type == + EFX_SIENA_FILTER_RX_UDP_WILD) { + port1 = gen_spec->efs_loc_port; + port2 = rport; + } else { + port1 = rport; + port2 = gen_spec->efs_loc_port; + } + } + sf_spec->sfs_dword[0] = (host1 << 16) | port1; + sf_spec->sfs_dword[1] = (port2 << 16) | (host1 >> 16); + sf_spec->sfs_dword[2] = host2; + break; + } + + case EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_OUTER_VID: + is_full = B_TRUE; + /* Fall through */ + case EFX_FILTER_MATCH_LOC_MAC: + if (gen_spec->efs_flags & EFX_FILTER_FLAG_TX) { + sf_spec->sfs_type = (is_full ? + EFX_SIENA_FILTER_TX_MAC_FULL : + EFX_SIENA_FILTER_TX_MAC_WILD); + } else { + sf_spec->sfs_type = (is_full ? + EFX_SIENA_FILTER_RX_MAC_FULL : + EFX_SIENA_FILTER_RX_MAC_WILD); + } + sf_spec->sfs_dword[0] = is_full ? gen_spec->efs_outer_vid : 0; + sf_spec->sfs_dword[1] = + gen_spec->efs_loc_mac[2] << 24 | + gen_spec->efs_loc_mac[3] << 16 | + gen_spec->efs_loc_mac[4] << 8 | + gen_spec->efs_loc_mac[5]; + sf_spec->sfs_dword[2] = + gen_spec->efs_loc_mac[0] << 8 | + gen_spec->efs_loc_mac[1]; + break; + + default: + EFSYS_ASSERT(B_FALSE); + rc = ENOTSUP; + goto fail5; + } + + return (0); + +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); +} + +/* + * The filter hash function is LFSR polynomial x^16 + x^3 + 1 of a 32-bit + * key derived from the n-tuple. + */ +static uint16_t +siena_filter_tbl_hash( + __in uint32_t key) +{ + uint16_t tmp; + + /* First 16 rounds */ + tmp = 0x1fff ^ (uint16_t)(key >> 16); + tmp = tmp ^ tmp >> 3 ^ tmp >> 6; + tmp = tmp ^ tmp >> 9; + + /* Last 16 rounds */ + tmp = tmp ^ tmp << 13 ^ (uint16_t)(key & 0xffff); + tmp = tmp ^ tmp >> 3 ^ tmp >> 6; + tmp = tmp ^ tmp >> 9; + + return (tmp); +} + +/* + * To allow for hash collisions, filter search continues at these + * increments from the first possible entry selected by the hash. + */ +static uint16_t +siena_filter_tbl_increment( + __in uint32_t key) +{ + return ((uint16_t)(key * 2 - 1)); +} + +static __checkReturn boolean_t +siena_filter_test_used( + __in siena_filter_tbl_t *sftp, + __in unsigned int index) +{ + EFSYS_ASSERT3P(sftp->sft_bitmap, !=, NULL); + return ((sftp->sft_bitmap[index / 32] & (1 << (index % 32))) != 0); +} + +static void +siena_filter_set_used( + __in siena_filter_tbl_t *sftp, + __in unsigned int index) +{ + EFSYS_ASSERT3P(sftp->sft_bitmap, !=, NULL); + sftp->sft_bitmap[index / 32] |= (1 << (index % 32)); + ++sftp->sft_used; +} + +static void +siena_filter_clear_used( + __in siena_filter_tbl_t *sftp, + __in unsigned int index) +{ + EFSYS_ASSERT3P(sftp->sft_bitmap, !=, NULL); + sftp->sft_bitmap[index / 32] &= ~(1 << (index % 32)); + + --sftp->sft_used; + EFSYS_ASSERT3U(sftp->sft_used, >=, 0); +} + + +static siena_filter_tbl_id_t +siena_filter_tbl_id( + __in siena_filter_type_t type) +{ + siena_filter_tbl_id_t tbl_id; + + switch (type) { + case EFX_SIENA_FILTER_RX_TCP_FULL: + case EFX_SIENA_FILTER_RX_TCP_WILD: + case EFX_SIENA_FILTER_RX_UDP_FULL: + case EFX_SIENA_FILTER_RX_UDP_WILD: + tbl_id = EFX_SIENA_FILTER_TBL_RX_IP; + break; + + case EFX_SIENA_FILTER_RX_MAC_FULL: + case EFX_SIENA_FILTER_RX_MAC_WILD: + tbl_id = EFX_SIENA_FILTER_TBL_RX_MAC; + break; + + case EFX_SIENA_FILTER_TX_TCP_FULL: + case EFX_SIENA_FILTER_TX_TCP_WILD: + case EFX_SIENA_FILTER_TX_UDP_FULL: + case EFX_SIENA_FILTER_TX_UDP_WILD: + tbl_id = EFX_SIENA_FILTER_TBL_TX_IP; + break; + + case EFX_SIENA_FILTER_TX_MAC_FULL: + case EFX_SIENA_FILTER_TX_MAC_WILD: + tbl_id = EFX_SIENA_FILTER_TBL_TX_MAC; + break; + + default: + EFSYS_ASSERT(B_FALSE); + tbl_id = EFX_SIENA_FILTER_NTBLS; + break; + } + return (tbl_id); +} + +static void +siena_filter_reset_search_depth( + __inout siena_filter_t *sfp, + __in siena_filter_tbl_id_t tbl_id) +{ + switch (tbl_id) { + case EFX_SIENA_FILTER_TBL_RX_IP: + sfp->sf_depth[EFX_SIENA_FILTER_RX_TCP_FULL] = 0; + sfp->sf_depth[EFX_SIENA_FILTER_RX_TCP_WILD] = 0; + sfp->sf_depth[EFX_SIENA_FILTER_RX_UDP_FULL] = 0; + sfp->sf_depth[EFX_SIENA_FILTER_RX_UDP_WILD] = 0; + break; + + case EFX_SIENA_FILTER_TBL_RX_MAC: + sfp->sf_depth[EFX_SIENA_FILTER_RX_MAC_FULL] = 0; + sfp->sf_depth[EFX_SIENA_FILTER_RX_MAC_WILD] = 0; + break; + + case EFX_SIENA_FILTER_TBL_TX_IP: + sfp->sf_depth[EFX_SIENA_FILTER_TX_TCP_FULL] = 0; + sfp->sf_depth[EFX_SIENA_FILTER_TX_TCP_WILD] = 0; + sfp->sf_depth[EFX_SIENA_FILTER_TX_UDP_FULL] = 0; + sfp->sf_depth[EFX_SIENA_FILTER_TX_UDP_WILD] = 0; + break; + + case EFX_SIENA_FILTER_TBL_TX_MAC: + sfp->sf_depth[EFX_SIENA_FILTER_TX_MAC_FULL] = 0; + sfp->sf_depth[EFX_SIENA_FILTER_TX_MAC_WILD] = 0; + break; + + default: + EFSYS_ASSERT(B_FALSE); + break; + } +} + +static void +siena_filter_push_rx_limits( + __in efx_nic_t *enp) +{ + siena_filter_t *sfp = enp->en_filter.ef_siena_filter; + efx_oword_t oword; + + EFX_BAR_READO(enp, FR_AZ_RX_FILTER_CTL_REG, &oword); + + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TCP_FULL_SRCH_LIMIT, + sfp->sf_depth[EFX_SIENA_FILTER_RX_TCP_FULL] + + FILTER_CTL_SRCH_FUDGE_FULL); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TCP_WILD_SRCH_LIMIT, + sfp->sf_depth[EFX_SIENA_FILTER_RX_TCP_WILD] + + FILTER_CTL_SRCH_FUDGE_WILD); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_UDP_FULL_SRCH_LIMIT, + sfp->sf_depth[EFX_SIENA_FILTER_RX_UDP_FULL] + + FILTER_CTL_SRCH_FUDGE_FULL); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_UDP_WILD_SRCH_LIMIT, + sfp->sf_depth[EFX_SIENA_FILTER_RX_UDP_WILD] + + FILTER_CTL_SRCH_FUDGE_WILD); + + if (sfp->sf_tbl[EFX_SIENA_FILTER_TBL_RX_MAC].sft_size) { + EFX_SET_OWORD_FIELD(oword, + FRF_CZ_ETHERNET_FULL_SEARCH_LIMIT, + sfp->sf_depth[EFX_SIENA_FILTER_RX_MAC_FULL] + + FILTER_CTL_SRCH_FUDGE_FULL); + EFX_SET_OWORD_FIELD(oword, + FRF_CZ_ETHERNET_WILDCARD_SEARCH_LIMIT, + sfp->sf_depth[EFX_SIENA_FILTER_RX_MAC_WILD] + + FILTER_CTL_SRCH_FUDGE_WILD); + } + + EFX_BAR_WRITEO(enp, FR_AZ_RX_FILTER_CTL_REG, &oword); +} + +static void +siena_filter_push_tx_limits( + __in efx_nic_t *enp) +{ + siena_filter_t *sfp = enp->en_filter.ef_siena_filter; + efx_oword_t oword; + + EFX_BAR_READO(enp, FR_AZ_TX_CFG_REG, &oword); + + if (sfp->sf_tbl[EFX_SIENA_FILTER_TBL_TX_IP].sft_size != 0) { + EFX_SET_OWORD_FIELD(oword, + FRF_CZ_TX_TCPIP_FILTER_FULL_SEARCH_RANGE, + sfp->sf_depth[EFX_SIENA_FILTER_TX_TCP_FULL] + + FILTER_CTL_SRCH_FUDGE_FULL); + EFX_SET_OWORD_FIELD(oword, + FRF_CZ_TX_TCPIP_FILTER_WILD_SEARCH_RANGE, + sfp->sf_depth[EFX_SIENA_FILTER_TX_TCP_WILD] + + FILTER_CTL_SRCH_FUDGE_WILD); + EFX_SET_OWORD_FIELD(oword, + FRF_CZ_TX_UDPIP_FILTER_FULL_SEARCH_RANGE, + sfp->sf_depth[EFX_SIENA_FILTER_TX_UDP_FULL] + + FILTER_CTL_SRCH_FUDGE_FULL); + EFX_SET_OWORD_FIELD(oword, + FRF_CZ_TX_UDPIP_FILTER_WILD_SEARCH_RANGE, + sfp->sf_depth[EFX_SIENA_FILTER_TX_UDP_WILD] + + FILTER_CTL_SRCH_FUDGE_WILD); + } + + if (sfp->sf_tbl[EFX_SIENA_FILTER_TBL_TX_MAC].sft_size != 0) { + EFX_SET_OWORD_FIELD( + oword, FRF_CZ_TX_ETH_FILTER_FULL_SEARCH_RANGE, + sfp->sf_depth[EFX_SIENA_FILTER_TX_MAC_FULL] + + FILTER_CTL_SRCH_FUDGE_FULL); + EFX_SET_OWORD_FIELD( + oword, FRF_CZ_TX_ETH_FILTER_WILD_SEARCH_RANGE, + sfp->sf_depth[EFX_SIENA_FILTER_TX_MAC_WILD] + + FILTER_CTL_SRCH_FUDGE_WILD); + } + + EFX_BAR_WRITEO(enp, FR_AZ_TX_CFG_REG, &oword); +} + +/* Build a filter entry and return its n-tuple key. */ +static __checkReturn uint32_t +siena_filter_build( + __out efx_oword_t *filter, + __in siena_filter_spec_t *spec) +{ + uint32_t dword3; + uint32_t key; + uint8_t type = spec->sfs_type; + uint32_t flags = spec->sfs_flags; + + switch (siena_filter_tbl_id(type)) { + case EFX_SIENA_FILTER_TBL_RX_IP: { + boolean_t is_udp = (type == EFX_SIENA_FILTER_RX_UDP_FULL || + type == EFX_SIENA_FILTER_RX_UDP_WILD); + EFX_POPULATE_OWORD_7(*filter, + FRF_BZ_RSS_EN, + (flags & EFX_FILTER_FLAG_RX_RSS) ? 1 : 0, + FRF_BZ_SCATTER_EN, + (flags & EFX_FILTER_FLAG_RX_SCATTER) ? 1 : 0, + FRF_AZ_TCP_UDP, is_udp, + FRF_AZ_RXQ_ID, spec->sfs_dmaq_id, + EFX_DWORD_2, spec->sfs_dword[2], + EFX_DWORD_1, spec->sfs_dword[1], + EFX_DWORD_0, spec->sfs_dword[0]); + dword3 = is_udp; + break; + } + + case EFX_SIENA_FILTER_TBL_RX_MAC: { + boolean_t is_wild = (type == EFX_SIENA_FILTER_RX_MAC_WILD); + EFX_POPULATE_OWORD_7(*filter, + FRF_CZ_RMFT_RSS_EN, + (flags & EFX_FILTER_FLAG_RX_RSS) ? 1 : 0, + FRF_CZ_RMFT_SCATTER_EN, + (flags & EFX_FILTER_FLAG_RX_SCATTER) ? 1 : 0, + FRF_CZ_RMFT_RXQ_ID, spec->sfs_dmaq_id, + FRF_CZ_RMFT_WILDCARD_MATCH, is_wild, + FRF_CZ_RMFT_DEST_MAC_DW1, spec->sfs_dword[2], + FRF_CZ_RMFT_DEST_MAC_DW0, spec->sfs_dword[1], + FRF_CZ_RMFT_VLAN_ID, spec->sfs_dword[0]); + dword3 = is_wild; + break; + } + + case EFX_SIENA_FILTER_TBL_TX_IP: { + boolean_t is_udp = (type == EFX_SIENA_FILTER_TX_UDP_FULL || + type == EFX_SIENA_FILTER_TX_UDP_WILD); + EFX_POPULATE_OWORD_5(*filter, + FRF_CZ_TIFT_TCP_UDP, is_udp, + FRF_CZ_TIFT_TXQ_ID, spec->sfs_dmaq_id, + EFX_DWORD_2, spec->sfs_dword[2], + EFX_DWORD_1, spec->sfs_dword[1], + EFX_DWORD_0, spec->sfs_dword[0]); + dword3 = is_udp | spec->sfs_dmaq_id << 1; + break; + } + + case EFX_SIENA_FILTER_TBL_TX_MAC: { + boolean_t is_wild = (type == EFX_SIENA_FILTER_TX_MAC_WILD); + EFX_POPULATE_OWORD_5(*filter, + FRF_CZ_TMFT_TXQ_ID, spec->sfs_dmaq_id, + FRF_CZ_TMFT_WILDCARD_MATCH, is_wild, + FRF_CZ_TMFT_SRC_MAC_DW1, spec->sfs_dword[2], + FRF_CZ_TMFT_SRC_MAC_DW0, spec->sfs_dword[1], + FRF_CZ_TMFT_VLAN_ID, spec->sfs_dword[0]); + dword3 = is_wild | spec->sfs_dmaq_id << 1; + break; + } + + default: + EFSYS_ASSERT(B_FALSE); + return (0); + } + + key = + spec->sfs_dword[0] ^ + spec->sfs_dword[1] ^ + spec->sfs_dword[2] ^ + dword3; + + return (key); +} + +static __checkReturn efx_rc_t +siena_filter_push_entry( + __inout efx_nic_t *enp, + __in siena_filter_type_t type, + __in int index, + __in efx_oword_t *eop) +{ + efx_rc_t rc; + + switch (type) { + case EFX_SIENA_FILTER_RX_TCP_FULL: + case EFX_SIENA_FILTER_RX_TCP_WILD: + case EFX_SIENA_FILTER_RX_UDP_FULL: + case EFX_SIENA_FILTER_RX_UDP_WILD: + EFX_BAR_TBL_WRITEO(enp, FR_AZ_RX_FILTER_TBL0, index, + eop, B_TRUE); + break; + + case EFX_SIENA_FILTER_RX_MAC_FULL: + case EFX_SIENA_FILTER_RX_MAC_WILD: + EFX_BAR_TBL_WRITEO(enp, FR_CZ_RX_MAC_FILTER_TBL0, index, + eop, B_TRUE); + break; + + case EFX_SIENA_FILTER_TX_TCP_FULL: + case EFX_SIENA_FILTER_TX_TCP_WILD: + case EFX_SIENA_FILTER_TX_UDP_FULL: + case EFX_SIENA_FILTER_TX_UDP_WILD: + EFX_BAR_TBL_WRITEO(enp, FR_CZ_TX_FILTER_TBL0, index, + eop, B_TRUE); + break; + + case EFX_SIENA_FILTER_TX_MAC_FULL: + case EFX_SIENA_FILTER_TX_MAC_WILD: + EFX_BAR_TBL_WRITEO(enp, FR_CZ_TX_MAC_FILTER_TBL0, index, + eop, B_TRUE); + break; + + default: + EFSYS_ASSERT(B_FALSE); + rc = ENOTSUP; + goto fail1; + } + return (0); + +fail1: + return (rc); +} + + +static __checkReturn boolean_t +siena_filter_equal( + __in const siena_filter_spec_t *left, + __in const siena_filter_spec_t *right) +{ + siena_filter_tbl_id_t tbl_id; + + tbl_id = siena_filter_tbl_id(left->sfs_type); + + + if (left->sfs_type != right->sfs_type) + return (B_FALSE); + + if (memcmp(left->sfs_dword, right->sfs_dword, + sizeof (left->sfs_dword))) + return (B_FALSE); + + if ((tbl_id == EFX_SIENA_FILTER_TBL_TX_IP || + tbl_id == EFX_SIENA_FILTER_TBL_TX_MAC) && + left->sfs_dmaq_id != right->sfs_dmaq_id) + return (B_FALSE); + + return (B_TRUE); +} + +static __checkReturn efx_rc_t +siena_filter_search( + __in siena_filter_tbl_t *sftp, + __in siena_filter_spec_t *spec, + __in uint32_t key, + __in boolean_t for_insert, + __out int *filter_index, + __out unsigned int *depth_required) +{ + unsigned int hash, incr, filter_idx, depth; + + hash = siena_filter_tbl_hash(key); + incr = siena_filter_tbl_increment(key); + + filter_idx = hash & (sftp->sft_size - 1); + depth = 1; + + for (;;) { + /* + * Return success if entry is used and matches this spec + * or entry is unused and we are trying to insert. + */ + if (siena_filter_test_used(sftp, filter_idx) ? + siena_filter_equal(spec, + &sftp->sft_spec[filter_idx]) : + for_insert) { + *filter_index = filter_idx; + *depth_required = depth; + return (0); + } + + /* Return failure if we reached the maximum search depth */ + if (depth == FILTER_CTL_SRCH_MAX) + return (for_insert ? EBUSY : ENOENT); + + filter_idx = (filter_idx + incr) & (sftp->sft_size - 1); + ++depth; + } +} + +static void +siena_filter_clear_entry( + __in efx_nic_t *enp, + __in siena_filter_tbl_t *sftp, + __in int index) +{ + efx_oword_t filter; + + if (siena_filter_test_used(sftp, index)) { + siena_filter_clear_used(sftp, index); + + EFX_ZERO_OWORD(filter); + siena_filter_push_entry(enp, + sftp->sft_spec[index].sfs_type, + index, &filter); + + memset(&sftp->sft_spec[index], + 0, sizeof (sftp->sft_spec[0])); + } +} + + void +siena_filter_tbl_clear( + __in efx_nic_t *enp, + __in siena_filter_tbl_id_t tbl_id) +{ + siena_filter_t *sfp = enp->en_filter.ef_siena_filter; + siena_filter_tbl_t *sftp = &sfp->sf_tbl[tbl_id]; + int index; + efsys_lock_state_t state; + + EFSYS_LOCK(enp->en_eslp, state); + + for (index = 0; index < sftp->sft_size; ++index) { + siena_filter_clear_entry(enp, sftp, index); + } + + if (sftp->sft_used == 0) + siena_filter_reset_search_depth(sfp, tbl_id); + + EFSYS_UNLOCK(enp->en_eslp, state); +} + +static __checkReturn efx_rc_t +siena_filter_init( + __in efx_nic_t *enp) +{ + siena_filter_t *sfp; + siena_filter_tbl_t *sftp; + int tbl_id; + efx_rc_t rc; + + EFSYS_KMEM_ALLOC(enp->en_esip, sizeof (siena_filter_t), sfp); + + if (!sfp) { + rc = ENOMEM; + goto fail1; + } + + enp->en_filter.ef_siena_filter = sfp; + + switch (enp->en_family) { + case EFX_FAMILY_SIENA: + sftp = &sfp->sf_tbl[EFX_SIENA_FILTER_TBL_RX_IP]; + sftp->sft_size = FR_AZ_RX_FILTER_TBL0_ROWS; + + sftp = &sfp->sf_tbl[EFX_SIENA_FILTER_TBL_RX_MAC]; + sftp->sft_size = FR_CZ_RX_MAC_FILTER_TBL0_ROWS; + + sftp = &sfp->sf_tbl[EFX_SIENA_FILTER_TBL_TX_IP]; + sftp->sft_size = FR_CZ_TX_FILTER_TBL0_ROWS; + + sftp = &sfp->sf_tbl[EFX_SIENA_FILTER_TBL_TX_MAC]; + sftp->sft_size = FR_CZ_TX_MAC_FILTER_TBL0_ROWS; + break; + + default: + rc = ENOTSUP; + goto fail2; + } + + for (tbl_id = 0; tbl_id < EFX_SIENA_FILTER_NTBLS; tbl_id++) { + unsigned int bitmap_size; + + sftp = &sfp->sf_tbl[tbl_id]; + if (sftp->sft_size == 0) + continue; + + EFX_STATIC_ASSERT(sizeof (sftp->sft_bitmap[0]) == + sizeof (uint32_t)); + bitmap_size = + (sftp->sft_size + (sizeof (uint32_t) * 8) - 1) / 8; + + EFSYS_KMEM_ALLOC(enp->en_esip, bitmap_size, sftp->sft_bitmap); + if (!sftp->sft_bitmap) { + rc = ENOMEM; + goto fail3; + } + + EFSYS_KMEM_ALLOC(enp->en_esip, + sftp->sft_size * sizeof (*sftp->sft_spec), + sftp->sft_spec); + if (!sftp->sft_spec) { + rc = ENOMEM; + goto fail4; + } + memset(sftp->sft_spec, 0, + sftp->sft_size * sizeof (*sftp->sft_spec)); + } + + return (0); + +fail4: + EFSYS_PROBE(fail4); + +fail3: + EFSYS_PROBE(fail3); + +fail2: + EFSYS_PROBE(fail2); + siena_filter_fini(enp); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + return (rc); +} + +static void +siena_filter_fini( + __in efx_nic_t *enp) +{ + siena_filter_t *sfp = enp->en_filter.ef_siena_filter; + siena_filter_tbl_id_t tbl_id; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE); + + if (sfp == NULL) + return; + + for (tbl_id = 0; tbl_id < EFX_SIENA_FILTER_NTBLS; tbl_id++) { + siena_filter_tbl_t *sftp = &sfp->sf_tbl[tbl_id]; + unsigned int bitmap_size; + + EFX_STATIC_ASSERT(sizeof (sftp->sft_bitmap[0]) == + sizeof (uint32_t)); + bitmap_size = + (sftp->sft_size + (sizeof (uint32_t) * 8) - 1) / 8; + + if (sftp->sft_bitmap != NULL) { + EFSYS_KMEM_FREE(enp->en_esip, bitmap_size, + sftp->sft_bitmap); + sftp->sft_bitmap = NULL; + } + + if (sftp->sft_spec != NULL) { + EFSYS_KMEM_FREE(enp->en_esip, sftp->sft_size * + sizeof (*sftp->sft_spec), sftp->sft_spec); + sftp->sft_spec = NULL; + } + } + + EFSYS_KMEM_FREE(enp->en_esip, sizeof (siena_filter_t), + enp->en_filter.ef_siena_filter); +} + +/* Restore filter state after a reset */ +static __checkReturn efx_rc_t +siena_filter_restore( + __in efx_nic_t *enp) +{ + siena_filter_t *sfp = enp->en_filter.ef_siena_filter; + siena_filter_tbl_id_t tbl_id; + siena_filter_tbl_t *sftp; + siena_filter_spec_t *spec; + efx_oword_t filter; + int filter_idx; + efsys_lock_state_t state; + uint32_t key; + efx_rc_t rc; + + EFSYS_LOCK(enp->en_eslp, state); + + for (tbl_id = 0; tbl_id < EFX_SIENA_FILTER_NTBLS; tbl_id++) { + sftp = &sfp->sf_tbl[tbl_id]; + for (filter_idx = 0; + filter_idx < sftp->sft_size; + filter_idx++) { + if (!siena_filter_test_used(sftp, filter_idx)) + continue; + + spec = &sftp->sft_spec[filter_idx]; + if ((key = siena_filter_build(&filter, spec)) == 0) { + rc = EINVAL; + goto fail1; + } + if ((rc = siena_filter_push_entry(enp, + spec->sfs_type, filter_idx, &filter)) != 0) + goto fail2; + } + } + + siena_filter_push_rx_limits(enp); + siena_filter_push_tx_limits(enp); + + EFSYS_UNLOCK(enp->en_eslp, state); + + return (0); + +fail2: + EFSYS_PROBE(fail2); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + EFSYS_UNLOCK(enp->en_eslp, state); + + return (rc); +} + +static __checkReturn efx_rc_t +siena_filter_add( + __in efx_nic_t *enp, + __inout efx_filter_spec_t *spec, + __in boolean_t may_replace) +{ + efx_rc_t rc; + siena_filter_spec_t sf_spec; + siena_filter_t *sfp = enp->en_filter.ef_siena_filter; + siena_filter_tbl_id_t tbl_id; + siena_filter_tbl_t *sftp; + siena_filter_spec_t *saved_sf_spec; + efx_oword_t filter; + int filter_idx; + unsigned int depth; + efsys_lock_state_t state; + uint32_t key; + + + EFSYS_ASSERT3P(spec, !=, NULL); + + if ((rc = siena_filter_spec_from_gen_spec(&sf_spec, spec)) != 0) + goto fail1; + + tbl_id = siena_filter_tbl_id(sf_spec.sfs_type); + sftp = &sfp->sf_tbl[tbl_id]; + + if (sftp->sft_size == 0) { + rc = EINVAL; + goto fail2; + } + + key = siena_filter_build(&filter, &sf_spec); + + EFSYS_LOCK(enp->en_eslp, state); + + rc = siena_filter_search(sftp, &sf_spec, key, B_TRUE, + &filter_idx, &depth); + if (rc != 0) + goto fail3; + + EFSYS_ASSERT3U(filter_idx, <, sftp->sft_size); + saved_sf_spec = &sftp->sft_spec[filter_idx]; + + if (siena_filter_test_used(sftp, filter_idx)) { + if (may_replace == B_FALSE) { + rc = EEXIST; + goto fail4; + } + } + siena_filter_set_used(sftp, filter_idx); + *saved_sf_spec = sf_spec; + + if (sfp->sf_depth[sf_spec.sfs_type] < depth) { + sfp->sf_depth[sf_spec.sfs_type] = depth; + if (tbl_id == EFX_SIENA_FILTER_TBL_TX_IP || + tbl_id == EFX_SIENA_FILTER_TBL_TX_MAC) + siena_filter_push_tx_limits(enp); + else + siena_filter_push_rx_limits(enp); + } + + siena_filter_push_entry(enp, sf_spec.sfs_type, + filter_idx, &filter); + + EFSYS_UNLOCK(enp->en_eslp, state); + return (0); + +fail4: + EFSYS_PROBE(fail4); + +fail3: + EFSYS_UNLOCK(enp->en_eslp, state); + EFSYS_PROBE(fail3); + +fail2: + EFSYS_PROBE(fail2); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + return (rc); +} + +static __checkReturn efx_rc_t +siena_filter_delete( + __in efx_nic_t *enp, + __inout efx_filter_spec_t *spec) +{ + efx_rc_t rc; + siena_filter_spec_t sf_spec; + siena_filter_t *sfp = enp->en_filter.ef_siena_filter; + siena_filter_tbl_id_t tbl_id; + siena_filter_tbl_t *sftp; + efx_oword_t filter; + int filter_idx; + unsigned int depth; + efsys_lock_state_t state; + uint32_t key; + + EFSYS_ASSERT3P(spec, !=, NULL); + + if ((rc = siena_filter_spec_from_gen_spec(&sf_spec, spec)) != 0) + goto fail1; + + tbl_id = siena_filter_tbl_id(sf_spec.sfs_type); + sftp = &sfp->sf_tbl[tbl_id]; + + key = siena_filter_build(&filter, &sf_spec); + + EFSYS_LOCK(enp->en_eslp, state); + + rc = siena_filter_search(sftp, &sf_spec, key, B_FALSE, + &filter_idx, &depth); + if (rc != 0) + goto fail2; + + siena_filter_clear_entry(enp, sftp, filter_idx); + if (sftp->sft_used == 0) + siena_filter_reset_search_depth(sfp, tbl_id); + + EFSYS_UNLOCK(enp->en_eslp, state); + return (0); + +fail2: + EFSYS_UNLOCK(enp->en_eslp, state); + EFSYS_PROBE(fail2); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + return (rc); +} + +#define MAX_SUPPORTED 4 + +static __checkReturn efx_rc_t +siena_filter_supported_filters( + __in efx_nic_t *enp, + __out uint32_t *list, + __out size_t *length) +{ + int index = 0; + uint32_t rx_matches[MAX_SUPPORTED]; + efx_rc_t rc; + + if (list == NULL) { + rc = EINVAL; + goto fail1; + } + + rx_matches[index++] = + EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_IP_PROTO | + EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_LOC_PORT | + EFX_FILTER_MATCH_REM_HOST | EFX_FILTER_MATCH_REM_PORT; + + rx_matches[index++] = + EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_IP_PROTO | + EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_LOC_PORT; + + if (enp->en_features & EFX_FEATURE_MAC_HEADER_FILTERS) { + rx_matches[index++] = + EFX_FILTER_MATCH_OUTER_VID | EFX_FILTER_MATCH_LOC_MAC; + + rx_matches[index++] = EFX_FILTER_MATCH_LOC_MAC; + } + + EFSYS_ASSERT3U(index, <=, MAX_SUPPORTED); + + *length = index; + memcpy(list, rx_matches, *length); + + return (0); + +fail1: + + return (rc); +} + +#undef MAX_SUPPORTED + +#endif /* EFSYS_OPT_SIENA */ + #endif /* EFSYS_OPT_FILTER */ diff --git a/drivers/net/sfc/base/efx_impl.h b/drivers/net/sfc/base/efx_impl.h index c6ec808f60..8d85f3fea7 100644 --- a/drivers/net/sfc/base/efx_impl.h +++ b/drivers/net/sfc/base/efx_impl.h @@ -41,6 +41,10 @@ #endif +#if EFSYS_OPT_SIENA +#include "siena_impl.h" +#endif /* EFSYS_OPT_SIENA */ + #ifdef __cplusplus extern "C" { #endif @@ -274,9 +278,70 @@ typedef struct efx_nic_ops_s { #if EFSYS_OPT_FILTER +#if EFSYS_OPT_SIENA + +typedef struct siena_filter_spec_s { + uint8_t sfs_type; + uint32_t sfs_flags; + uint32_t sfs_dmaq_id; + uint32_t sfs_dword[3]; +} siena_filter_spec_t; + +typedef enum siena_filter_type_e { + EFX_SIENA_FILTER_RX_TCP_FULL, /* TCP/IPv4 {dIP,dTCP,sIP,sTCP} */ + EFX_SIENA_FILTER_RX_TCP_WILD, /* TCP/IPv4 {dIP,dTCP, -, -} */ + EFX_SIENA_FILTER_RX_UDP_FULL, /* UDP/IPv4 {dIP,dUDP,sIP,sUDP} */ + EFX_SIENA_FILTER_RX_UDP_WILD, /* UDP/IPv4 {dIP,dUDP, -, -} */ + EFX_SIENA_FILTER_RX_MAC_FULL, /* Ethernet {dMAC,VLAN} */ + EFX_SIENA_FILTER_RX_MAC_WILD, /* Ethernet {dMAC, -} */ + + EFX_SIENA_FILTER_TX_TCP_FULL, /* TCP/IPv4 {dIP,dTCP,sIP,sTCP} */ + EFX_SIENA_FILTER_TX_TCP_WILD, /* TCP/IPv4 { -, -,sIP,sTCP} */ + EFX_SIENA_FILTER_TX_UDP_FULL, /* UDP/IPv4 {dIP,dTCP,sIP,sTCP} */ + EFX_SIENA_FILTER_TX_UDP_WILD, /* UDP/IPv4 { -, -,sIP,sUDP} */ + EFX_SIENA_FILTER_TX_MAC_FULL, /* Ethernet {sMAC,VLAN} */ + EFX_SIENA_FILTER_TX_MAC_WILD, /* Ethernet {sMAC, -} */ + + EFX_SIENA_FILTER_NTYPES +} siena_filter_type_t; + +typedef enum siena_filter_tbl_id_e { + EFX_SIENA_FILTER_TBL_RX_IP = 0, + EFX_SIENA_FILTER_TBL_RX_MAC, + EFX_SIENA_FILTER_TBL_TX_IP, + EFX_SIENA_FILTER_TBL_TX_MAC, + EFX_SIENA_FILTER_NTBLS +} siena_filter_tbl_id_t; + +typedef struct siena_filter_tbl_s { + int sft_size; /* number of entries */ + int sft_used; /* active count */ + uint32_t *sft_bitmap; /* active bitmap */ + siena_filter_spec_t *sft_spec; /* array of saved specs */ +} siena_filter_tbl_t; + +typedef struct siena_filter_s { + siena_filter_tbl_t sf_tbl[EFX_SIENA_FILTER_NTBLS]; + unsigned int sf_depth[EFX_SIENA_FILTER_NTYPES]; +} siena_filter_t; + +#endif /* EFSYS_OPT_SIENA */ + typedef struct efx_filter_s { +#if EFSYS_OPT_SIENA + siena_filter_t *ef_siena_filter; +#endif /* EFSYS_OPT_SIENA */ } efx_filter_t; +#if EFSYS_OPT_SIENA + +extern void +siena_filter_tbl_clear( + __in efx_nic_t *enp, + __in siena_filter_tbl_id_t tbl); + +#endif /* EFSYS_OPT_SIENA */ + #endif /* EFSYS_OPT_FILTER */ #if EFSYS_OPT_MCDI @@ -341,6 +406,11 @@ struct efx_nic_s { #endif /* EFSYS_OPT_MCDI */ uint32_t en_vport_id; union { +#if EFSYS_OPT_SIENA + struct { + int enu_unused; + } siena; +#endif /* EFSYS_OPT_SIENA */ int enu_unused; } en_u; }; diff --git a/drivers/net/sfc/base/efx_intr.c b/drivers/net/sfc/base/efx_intr.c index fb1812b652..ecc09d348a 100644 --- a/drivers/net/sfc/base/efx_intr.c +++ b/drivers/net/sfc/base/efx_intr.c @@ -32,6 +32,73 @@ #include "efx_impl.h" +#if EFSYS_OPT_SIENA + +static __checkReturn efx_rc_t +siena_intr_init( + __in efx_nic_t *enp, + __in efx_intr_type_t type, + __in efsys_mem_t *esmp); + +static void +siena_intr_enable( + __in efx_nic_t *enp); + +static void +siena_intr_disable( + __in efx_nic_t *enp); + +static void +siena_intr_disable_unlocked( + __in efx_nic_t *enp); + +static __checkReturn efx_rc_t +siena_intr_trigger( + __in efx_nic_t *enp, + __in unsigned int level); + +static void +siena_intr_fini( + __in efx_nic_t *enp); + +static void +siena_intr_status_line( + __in efx_nic_t *enp, + __out boolean_t *fatalp, + __out uint32_t *qmaskp); + +static void +siena_intr_status_message( + __in efx_nic_t *enp, + __in unsigned int message, + __out boolean_t *fatalp); + +static void +siena_intr_fatal( + __in efx_nic_t *enp); + +static __checkReturn boolean_t +siena_intr_check_fatal( + __in efx_nic_t *enp); + + +#endif /* EFSYS_OPT_SIENA */ + + +#if EFSYS_OPT_SIENA +static const efx_intr_ops_t __efx_intr_siena_ops = { + siena_intr_init, /* eio_init */ + siena_intr_enable, /* eio_enable */ + siena_intr_disable, /* eio_disable */ + siena_intr_disable_unlocked, /* eio_disable_unlocked */ + siena_intr_trigger, /* eio_trigger */ + siena_intr_status_line, /* eio_status_line */ + siena_intr_status_message, /* eio_status_message */ + siena_intr_fatal, /* eio_fatal */ + siena_intr_fini, /* eio_fini */ +}; +#endif /* EFSYS_OPT_SIENA */ + __checkReturn efx_rc_t efx_intr_init( __in efx_nic_t *enp, @@ -57,6 +124,11 @@ efx_intr_init( enp->en_mod_flags |= EFX_MOD_INTR; switch (enp->en_family) { +#if EFSYS_OPT_SIENA + case EFX_FAMILY_SIENA: + eiop = &__efx_intr_siena_ops; + break; +#endif /* EFSYS_OPT_SIENA */ default: EFSYS_ASSERT(B_FALSE); @@ -199,3 +271,276 @@ efx_intr_fatal( /* ************************************************************************* */ /* ************************************************************************* */ +#if EFSYS_OPT_SIENA + +static __checkReturn efx_rc_t +siena_intr_init( + __in efx_nic_t *enp, + __in efx_intr_type_t type, + __in efsys_mem_t *esmp) +{ + efx_intr_t *eip = &(enp->en_intr); + efx_oword_t oword; + + /* + * bug17213 workaround. + * + * Under legacy interrupts, don't share a level between fatal + * interrupts and event queue interrupts. Under MSI-X, they + * must share, or we won't get an interrupt. + */ + if (enp->en_family == EFX_FAMILY_SIENA && + eip->ei_type == EFX_INTR_LINE) + eip->ei_level = 0x1f; + else + eip->ei_level = 0; + + /* Enable all the genuinely fatal interrupts */ + EFX_SET_OWORD(oword); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_ILL_ADR_INT_KER_EN, 0); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_RBUF_OWN_INT_KER_EN, 0); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TBUF_OWN_INT_KER_EN, 0); + if (enp->en_family >= EFX_FAMILY_SIENA) + EFX_SET_OWORD_FIELD(oword, FRF_CZ_SRAM_PERR_INT_P_KER_EN, 0); + EFX_BAR_WRITEO(enp, FR_AZ_FATAL_INTR_REG_KER, &oword); + + /* Set up the interrupt address register */ + EFX_POPULATE_OWORD_3(oword, + FRF_AZ_NORM_INT_VEC_DIS_KER, (type == EFX_INTR_MESSAGE) ? 1 : 0, + FRF_AZ_INT_ADR_KER_DW0, EFSYS_MEM_ADDR(esmp) & 0xffffffff, + FRF_AZ_INT_ADR_KER_DW1, EFSYS_MEM_ADDR(esmp) >> 32); + EFX_BAR_WRITEO(enp, FR_AZ_INT_ADR_REG_KER, &oword); + + return (0); +} + +static void +siena_intr_enable( + __in efx_nic_t *enp) +{ + efx_intr_t *eip = &(enp->en_intr); + efx_oword_t oword; + + EFX_BAR_READO(enp, FR_AZ_INT_EN_REG_KER, &oword); + + EFX_SET_OWORD_FIELD(oword, FRF_AZ_KER_INT_LEVE_SEL, eip->ei_level); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_DRV_INT_EN_KER, 1); + EFX_BAR_WRITEO(enp, FR_AZ_INT_EN_REG_KER, &oword); +} + +static void +siena_intr_disable( + __in efx_nic_t *enp) +{ + efx_oword_t oword; + + EFX_BAR_READO(enp, FR_AZ_INT_EN_REG_KER, &oword); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_DRV_INT_EN_KER, 0); + EFX_BAR_WRITEO(enp, FR_AZ_INT_EN_REG_KER, &oword); + + EFSYS_SPIN(10); +} + +static void +siena_intr_disable_unlocked( + __in efx_nic_t *enp) +{ + efx_oword_t oword; + + EFSYS_BAR_READO(enp->en_esbp, FR_AZ_INT_EN_REG_KER_OFST, + &oword, B_FALSE); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_DRV_INT_EN_KER, 0); + EFSYS_BAR_WRITEO(enp->en_esbp, FR_AZ_INT_EN_REG_KER_OFST, + &oword, B_FALSE); +} + +static __checkReturn efx_rc_t +siena_intr_trigger( + __in efx_nic_t *enp, + __in unsigned int level) +{ + efx_intr_t *eip = &(enp->en_intr); + efx_oword_t oword; + unsigned int count; + uint32_t sel; + efx_rc_t rc; + + /* bug16757: No event queues can be initialized */ + EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_EV)); + + if (level >= EFX_NINTR_SIENA) { + rc = EINVAL; + goto fail1; + } + + if (level > EFX_MASK32(FRF_AZ_KER_INT_LEVE_SEL)) + return (ENOTSUP); /* avoid EFSYS_PROBE() */ + + sel = level; + + /* Trigger a test interrupt */ + EFX_BAR_READO(enp, FR_AZ_INT_EN_REG_KER, &oword); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_KER_INT_LEVE_SEL, sel); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_KER_INT_KER, 1); + EFX_BAR_WRITEO(enp, FR_AZ_INT_EN_REG_KER, &oword); + + /* + * Wait up to 100ms for the interrupt to be raised before restoring + * KER_INT_LEVE_SEL. Ignore a failure to raise (the caller will + * observe this soon enough anyway), but always reset KER_INT_LEVE_SEL + */ + count = 0; + do { + EFSYS_SPIN(100); /* 100us */ + + EFX_BAR_READO(enp, FR_AZ_INT_EN_REG_KER, &oword); + } while (EFX_OWORD_FIELD(oword, FRF_AZ_KER_INT_KER) && ++count < 1000); + + EFX_SET_OWORD_FIELD(oword, FRF_AZ_KER_INT_LEVE_SEL, eip->ei_level); + EFX_BAR_WRITEO(enp, FR_AZ_INT_EN_REG_KER, &oword); + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +static __checkReturn boolean_t +siena_intr_check_fatal( + __in efx_nic_t *enp) +{ + efx_intr_t *eip = &(enp->en_intr); + efsys_mem_t *esmp = eip->ei_esmp; + efx_oword_t oword; + + /* Read the syndrome */ + EFSYS_MEM_READO(esmp, 0, &oword); + + if (EFX_OWORD_FIELD(oword, FSF_AZ_NET_IVEC_FATAL_INT) != 0) { + EFSYS_PROBE(fatal); + + /* Clear the fatal interrupt condition */ + EFX_SET_OWORD_FIELD(oword, FSF_AZ_NET_IVEC_FATAL_INT, 0); + EFSYS_MEM_WRITEO(esmp, 0, &oword); + + return (B_TRUE); + } + + return (B_FALSE); +} + +static void +siena_intr_status_line( + __in efx_nic_t *enp, + __out boolean_t *fatalp, + __out uint32_t *qmaskp) +{ + efx_intr_t *eip = &(enp->en_intr); + efx_dword_t dword; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_INTR); + + /* + * Read the queue mask and implicitly acknowledge the + * interrupt. + */ + EFX_BAR_READD(enp, FR_BZ_INT_ISR0_REG, &dword, B_FALSE); + *qmaskp = EFX_DWORD_FIELD(dword, EFX_DWORD_0); + + EFSYS_PROBE1(qmask, uint32_t, *qmaskp); + + if (*qmaskp & (1U << eip->ei_level)) + *fatalp = siena_intr_check_fatal(enp); + else + *fatalp = B_FALSE; +} + +static void +siena_intr_status_message( + __in efx_nic_t *enp, + __in unsigned int message, + __out boolean_t *fatalp) +{ + efx_intr_t *eip = &(enp->en_intr); + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_INTR); + + if (message == eip->ei_level) + *fatalp = siena_intr_check_fatal(enp); + else + *fatalp = B_FALSE; +} + + +static void +siena_intr_fatal( + __in efx_nic_t *enp) +{ +#if EFSYS_OPT_DECODE_INTR_FATAL + efx_oword_t fatal; + efx_oword_t mem_per; + + EFX_BAR_READO(enp, FR_AZ_FATAL_INTR_REG_KER, &fatal); + EFX_ZERO_OWORD(mem_per); + + if (EFX_OWORD_FIELD(fatal, FRF_AZ_SRM_PERR_INT_KER) != 0 || + EFX_OWORD_FIELD(fatal, FRF_AZ_MEM_PERR_INT_KER) != 0) + EFX_BAR_READO(enp, FR_AZ_MEM_STAT_REG, &mem_per); + + if (EFX_OWORD_FIELD(fatal, FRF_AZ_SRAM_OOB_INT_KER) != 0) + EFSYS_ERR(enp->en_esip, EFX_ERR_SRAM_OOB, 0, 0); + + if (EFX_OWORD_FIELD(fatal, FRF_AZ_BUFID_DC_OOB_INT_KER) != 0) + EFSYS_ERR(enp->en_esip, EFX_ERR_BUFID_DC_OOB, 0, 0); + + if (EFX_OWORD_FIELD(fatal, FRF_AZ_MEM_PERR_INT_KER) != 0) + EFSYS_ERR(enp->en_esip, EFX_ERR_MEM_PERR, + EFX_OWORD_FIELD(mem_per, EFX_DWORD_0), + EFX_OWORD_FIELD(mem_per, EFX_DWORD_1)); + + if (EFX_OWORD_FIELD(fatal, FRF_AZ_RBUF_OWN_INT_KER) != 0) + EFSYS_ERR(enp->en_esip, EFX_ERR_RBUF_OWN, 0, 0); + + if (EFX_OWORD_FIELD(fatal, FRF_AZ_TBUF_OWN_INT_KER) != 0) + EFSYS_ERR(enp->en_esip, EFX_ERR_TBUF_OWN, 0, 0); + + if (EFX_OWORD_FIELD(fatal, FRF_AZ_RDESCQ_OWN_INT_KER) != 0) + EFSYS_ERR(enp->en_esip, EFX_ERR_RDESQ_OWN, 0, 0); + + if (EFX_OWORD_FIELD(fatal, FRF_AZ_TDESCQ_OWN_INT_KER) != 0) + EFSYS_ERR(enp->en_esip, EFX_ERR_TDESQ_OWN, 0, 0); + + if (EFX_OWORD_FIELD(fatal, FRF_AZ_EVQ_OWN_INT_KER) != 0) + EFSYS_ERR(enp->en_esip, EFX_ERR_EVQ_OWN, 0, 0); + + if (EFX_OWORD_FIELD(fatal, FRF_AZ_EVF_OFLO_INT_KER) != 0) + EFSYS_ERR(enp->en_esip, EFX_ERR_EVFF_OFLO, 0, 0); + + if (EFX_OWORD_FIELD(fatal, FRF_AZ_ILL_ADR_INT_KER) != 0) + EFSYS_ERR(enp->en_esip, EFX_ERR_ILL_ADDR, 0, 0); + + if (EFX_OWORD_FIELD(fatal, FRF_AZ_SRM_PERR_INT_KER) != 0) + EFSYS_ERR(enp->en_esip, EFX_ERR_SRAM_PERR, + EFX_OWORD_FIELD(mem_per, EFX_DWORD_0), + EFX_OWORD_FIELD(mem_per, EFX_DWORD_1)); +#else + EFSYS_ASSERT(0); +#endif +} + +static void +siena_intr_fini( + __in efx_nic_t *enp) +{ + efx_oword_t oword; + + /* Clear the interrupt address register */ + EFX_ZERO_OWORD(oword); + EFX_BAR_WRITEO(enp, FR_AZ_INT_ADR_REG_KER, &oword); +} + +#endif /* EFSYS_OPT_SIENA */ diff --git a/drivers/net/sfc/base/efx_mac.c b/drivers/net/sfc/base/efx_mac.c index 169dcf167d..ce27376328 100644 --- a/drivers/net/sfc/base/efx_mac.c +++ b/drivers/net/sfc/base/efx_mac.c @@ -31,6 +31,28 @@ #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 */ +}; +#endif /* EFSYS_OPT_SIENA */ + __checkReturn efx_rc_t efx_mac_pdu_set( __in efx_nic_t *enp, @@ -465,6 +487,12 @@ efx_mac_select( 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 */ default: rc = EINVAL; @@ -487,3 +515,72 @@ fail1: } +#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 */ diff --git a/drivers/net/sfc/base/efx_mcdi.c b/drivers/net/sfc/base/efx_mcdi.c index 474c5053dd..deb5d874a7 100644 --- a/drivers/net/sfc/base/efx_mcdi.c +++ b/drivers/net/sfc/base/efx_mcdi.c @@ -54,6 +54,23 @@ +#if EFSYS_OPT_SIENA + +static const efx_mcdi_ops_t __efx_mcdi_siena_ops = { + siena_mcdi_init, /* emco_init */ + siena_mcdi_send_request, /* emco_send_request */ + siena_mcdi_poll_reboot, /* emco_poll_reboot */ + siena_mcdi_poll_response, /* emco_poll_response */ + siena_mcdi_read_response, /* emco_read_response */ + siena_mcdi_fini, /* emco_fini */ + siena_mcdi_feature_supported, /* emco_feature_supported */ + siena_mcdi_get_timeout, /* emco_get_timeout */ +}; + +#endif /* EFSYS_OPT_SIENA */ + + + __checkReturn efx_rc_t efx_mcdi_init( __in efx_nic_t *enp, @@ -66,6 +83,11 @@ efx_mcdi_init( EFSYS_ASSERT3U(enp->en_mod_flags, ==, 0); switch (enp->en_family) { +#if EFSYS_OPT_SIENA + case EFX_FAMILY_SIENA: + emcop = &__efx_mcdi_siena_ops; + break; +#endif /* EFSYS_OPT_SIENA */ default: EFSYS_ASSERT(0); diff --git a/drivers/net/sfc/base/efx_nic.c b/drivers/net/sfc/base/efx_nic.c index a551f0da2b..5a758ea7a9 100644 --- a/drivers/net/sfc/base/efx_nic.c +++ b/drivers/net/sfc/base/efx_nic.c @@ -39,6 +39,20 @@ efx_family( { if (venid == EFX_PCI_VENID_SFC) { switch (devid) { +#if EFSYS_OPT_SIENA + case EFX_PCI_DEVID_SIENA_F1_UNINIT: + /* + * Hardware default for PF0 of uninitialised Siena. + * manftest must be able to cope with this device id. + */ + *efp = EFX_FAMILY_SIENA; + return (0); + + case EFX_PCI_DEVID_BETHPAGE: + case EFX_PCI_DEVID_SIENA: + *efp = EFX_FAMILY_SIENA; + return (0); +#endif /* EFSYS_OPT_SIENA */ case EFX_PCI_DEVID_FALCON: /* Obsolete, not supported */ default: @@ -122,6 +136,22 @@ fail1: return (rc); } +#if EFSYS_OPT_SIENA + +static const efx_nic_ops_t __efx_nic_siena_ops = { + siena_nic_probe, /* eno_probe */ + NULL, /* eno_board_cfg */ + NULL, /* eno_set_drv_limits */ + siena_nic_reset, /* eno_reset */ + siena_nic_init, /* eno_init */ + NULL, /* eno_get_vi_pool */ + NULL, /* eno_get_bar_region */ + siena_nic_fini, /* eno_fini */ + siena_nic_unprobe, /* eno_unprobe */ +}; + +#endif /* EFSYS_OPT_SIENA */ + __checkReturn efx_rc_t efx_nic_create( @@ -148,6 +178,20 @@ efx_nic_create( enp->en_magic = EFX_NIC_MAGIC; switch (family) { +#if EFSYS_OPT_SIENA + case EFX_FAMILY_SIENA: + enp->en_enop = &__efx_nic_siena_ops; + enp->en_features = + EFX_FEATURE_IPV6 | + EFX_FEATURE_LFSR_HASH_INSERT | + EFX_FEATURE_LINK_EVENTS | + EFX_FEATURE_PERIODIC_MAC_STATS | + EFX_FEATURE_MCDI | + EFX_FEATURE_LOOKAHEAD_SPLIT | + EFX_FEATURE_MAC_HEADER_FILTERS | + EFX_FEATURE_TX_SRC_FILTERS; + break; +#endif /* EFSYS_OPT_SIENA */ default: rc = ENOTSUP; diff --git a/drivers/net/sfc/base/efx_phy.c b/drivers/net/sfc/base/efx_phy.c index 7b9a3301b4..a6a2af4f34 100644 --- a/drivers/net/sfc/base/efx_phy.c +++ b/drivers/net/sfc/base/efx_phy.c @@ -32,6 +32,16 @@ #include "efx_impl.h" +#if EFSYS_OPT_SIENA +static const efx_phy_ops_t __efx_phy_siena_ops = { + siena_phy_power, /* epo_power */ + NULL, /* epo_reset */ + siena_phy_reconfigure, /* epo_reconfigure */ + siena_phy_verify, /* epo_verify */ + siena_phy_oui_get, /* epo_oui_get */ +}; +#endif /* EFSYS_OPT_SIENA */ + __checkReturn efx_rc_t efx_phy_probe( __in efx_nic_t *enp) @@ -48,6 +58,11 @@ efx_phy_probe( /* Hook in operations structure */ switch (enp->en_family) { +#if EFSYS_OPT_SIENA + case EFX_FAMILY_SIENA: + epop = &__efx_phy_siena_ops; + break; +#endif /* EFSYS_OPT_SIENA */ default: rc = ENOTSUP; goto fail1; diff --git a/drivers/net/sfc/base/efx_rx.c b/drivers/net/sfc/base/efx_rx.c index fd0af87c53..c1da6b85fc 100644 --- a/drivers/net/sfc/base/efx_rx.c +++ b/drivers/net/sfc/base/efx_rx.c @@ -32,6 +32,79 @@ #include "efx_impl.h" +#if EFSYS_OPT_SIENA + +static __checkReturn efx_rc_t +siena_rx_init( + __in efx_nic_t *enp); + +static void +siena_rx_fini( + __in efx_nic_t *enp); + +static __checkReturn efx_rc_t +siena_rx_prefix_pktlen( + __in efx_nic_t *enp, + __in uint8_t *buffer, + __out uint16_t *lengthp); + +static void +siena_rx_qpost( + __in efx_rxq_t *erp, + __in_ecount(n) efsys_dma_addr_t *addrp, + __in size_t size, + __in unsigned int n, + __in unsigned int completed, + __in unsigned int added); + +static void +siena_rx_qpush( + __in efx_rxq_t *erp, + __in unsigned int added, + __inout unsigned int *pushedp); + +static __checkReturn efx_rc_t +siena_rx_qflush( + __in efx_rxq_t *erp); + +static void +siena_rx_qenable( + __in efx_rxq_t *erp); + +static __checkReturn efx_rc_t +siena_rx_qcreate( + __in efx_nic_t *enp, + __in unsigned int index, + __in unsigned int label, + __in efx_rxq_type_t type, + __in efsys_mem_t *esmp, + __in size_t n, + __in uint32_t id, + __in efx_evq_t *eep, + __in efx_rxq_t *erp); + +static void +siena_rx_qdestroy( + __in efx_rxq_t *erp); + +#endif /* EFSYS_OPT_SIENA */ + + +#if EFSYS_OPT_SIENA +static const efx_rx_ops_t __efx_rx_siena_ops = { + siena_rx_init, /* erxo_init */ + siena_rx_fini, /* erxo_fini */ + siena_rx_prefix_pktlen, /* erxo_prefix_pktlen */ + siena_rx_qpost, /* erxo_qpost */ + siena_rx_qpush, /* erxo_qpush */ + siena_rx_qflush, /* erxo_qflush */ + siena_rx_qenable, /* erxo_qenable */ + siena_rx_qcreate, /* erxo_qcreate */ + siena_rx_qdestroy, /* erxo_qdestroy */ +}; +#endif /* EFSYS_OPT_SIENA */ + + __checkReturn efx_rc_t efx_rx_init( __inout efx_nic_t *enp) @@ -53,6 +126,11 @@ efx_rx_init( } switch (enp->en_family) { +#if EFSYS_OPT_SIENA + case EFX_FAMILY_SIENA: + erxop = &__efx_rx_siena_ops; + break; +#endif /* EFSYS_OPT_SIENA */ default: EFSYS_ASSERT(0); @@ -240,3 +318,342 @@ efx_pseudo_hdr_pkt_length_get( return (erxop->erxo_prefix_pktlen(enp, buffer, lengthp)); } +#if EFSYS_OPT_SIENA + +static __checkReturn efx_rc_t +siena_rx_init( + __in efx_nic_t *enp) +{ + efx_oword_t oword; + unsigned int index; + + EFX_BAR_READO(enp, FR_AZ_RX_CFG_REG, &oword); + + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_DESC_PUSH_EN, 0); + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_ALG, 0); + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_IP_HASH, 0); + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_TCP_SUP, 0); + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_INSRT_HDR, 0); + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_USR_BUF_SIZE, 0x3000 / 32); + EFX_BAR_WRITEO(enp, FR_AZ_RX_CFG_REG, &oword); + + /* Zero the RSS table */ + for (index = 0; index < FR_BZ_RX_INDIRECTION_TBL_ROWS; + index++) { + EFX_ZERO_OWORD(oword); + EFX_BAR_TBL_WRITEO(enp, FR_BZ_RX_INDIRECTION_TBL, + index, &oword, B_TRUE); + } + + return (0); +} + + +#define EFX_RX_LFSR_HASH(_enp, _insert) \ + do { \ + efx_oword_t oword; \ + \ + EFX_BAR_READO((_enp), FR_AZ_RX_CFG_REG, &oword); \ + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_ALG, 0); \ + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_IP_HASH, 0); \ + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_TCP_SUP, 0); \ + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_INSRT_HDR, \ + (_insert) ? 1 : 0); \ + EFX_BAR_WRITEO((_enp), FR_AZ_RX_CFG_REG, &oword); \ + \ + if ((_enp)->en_family == EFX_FAMILY_SIENA) { \ + EFX_BAR_READO((_enp), FR_CZ_RX_RSS_IPV6_REG3, \ + &oword); \ + EFX_SET_OWORD_FIELD(oword, \ + FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 0); \ + EFX_BAR_WRITEO((_enp), FR_CZ_RX_RSS_IPV6_REG3, \ + &oword); \ + } \ + \ + _NOTE(CONSTANTCONDITION) \ + } while (B_FALSE) + +#define EFX_RX_TOEPLITZ_IPV4_HASH(_enp, _insert, _ip, _tcp) \ + do { \ + efx_oword_t oword; \ + \ + EFX_BAR_READO((_enp), FR_AZ_RX_CFG_REG, &oword); \ + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_ALG, 1); \ + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_IP_HASH, \ + (_ip) ? 1 : 0); \ + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_TCP_SUP, \ + (_tcp) ? 0 : 1); \ + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_INSRT_HDR, \ + (_insert) ? 1 : 0); \ + EFX_BAR_WRITEO((_enp), FR_AZ_RX_CFG_REG, &oword); \ + \ + _NOTE(CONSTANTCONDITION) \ + } while (B_FALSE) + +#define EFX_RX_TOEPLITZ_IPV6_HASH(_enp, _ip, _tcp, _rc) \ + do { \ + efx_oword_t oword; \ + \ + EFX_BAR_READO((_enp), FR_CZ_RX_RSS_IPV6_REG3, &oword); \ + EFX_SET_OWORD_FIELD(oword, \ + FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 1); \ + EFX_SET_OWORD_FIELD(oword, \ + FRF_CZ_RX_RSS_IPV6_IP_THASH_ENABLE, (_ip) ? 1 : 0); \ + EFX_SET_OWORD_FIELD(oword, \ + FRF_CZ_RX_RSS_IPV6_TCP_SUPPRESS, (_tcp) ? 0 : 1); \ + EFX_BAR_WRITEO((_enp), FR_CZ_RX_RSS_IPV6_REG3, &oword); \ + \ + (_rc) = 0; \ + \ + _NOTE(CONSTANTCONDITION) \ + } while (B_FALSE) + + +/* + * Falcon/Siena pseudo-header + * -------------------------- + * + * Receive packets are prefixed by an optional 16 byte pseudo-header. + * The pseudo-header is a byte array of one of the forms: + * + * 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 + * xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.TT.TT.TT.TT + * xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.xx.LL.LL + * + * where: + * TT.TT.TT.TT Toeplitz hash (32-bit big-endian) + * LL.LL LFSR hash (16-bit big-endian) + */ + +static __checkReturn efx_rc_t +siena_rx_prefix_pktlen( + __in efx_nic_t *enp, + __in uint8_t *buffer, + __out uint16_t *lengthp) +{ + _NOTE(ARGUNUSED(enp, buffer, lengthp)) + + /* Not supported by Falcon/Siena hardware */ + EFSYS_ASSERT(0); + return (ENOTSUP); +} + + +static void +siena_rx_qpost( + __in efx_rxq_t *erp, + __in_ecount(n) efsys_dma_addr_t *addrp, + __in size_t size, + __in unsigned int n, + __in unsigned int completed, + __in unsigned int added) +{ + efx_qword_t qword; + unsigned int i; + unsigned int offset; + unsigned int id; + + /* The client driver must not overfill the queue */ + EFSYS_ASSERT3U(added - completed + n, <=, + EFX_RXQ_LIMIT(erp->er_mask + 1)); + + id = added & (erp->er_mask); + for (i = 0; i < n; i++) { + EFSYS_PROBE4(rx_post, unsigned int, erp->er_index, + unsigned int, id, efsys_dma_addr_t, addrp[i], + size_t, size); + + EFX_POPULATE_QWORD_3(qword, + FSF_AZ_RX_KER_BUF_SIZE, (uint32_t)(size), + FSF_AZ_RX_KER_BUF_ADDR_DW0, + (uint32_t)(addrp[i] & 0xffffffff), + FSF_AZ_RX_KER_BUF_ADDR_DW1, + (uint32_t)(addrp[i] >> 32)); + + offset = id * sizeof (efx_qword_t); + EFSYS_MEM_WRITEQ(erp->er_esmp, offset, &qword); + + id = (id + 1) & (erp->er_mask); + } +} + +static void +siena_rx_qpush( + __in efx_rxq_t *erp, + __in unsigned int added, + __inout unsigned int *pushedp) +{ + efx_nic_t *enp = erp->er_enp; + unsigned int pushed = *pushedp; + uint32_t wptr; + efx_oword_t oword; + efx_dword_t dword; + + /* All descriptors are pushed */ + *pushedp = added; + + /* Push the populated descriptors out */ + wptr = added & erp->er_mask; + + EFX_POPULATE_OWORD_1(oword, FRF_AZ_RX_DESC_WPTR, wptr); + + /* Only write the third DWORD */ + EFX_POPULATE_DWORD_1(dword, + EFX_DWORD_0, EFX_OWORD_FIELD(oword, EFX_DWORD_3)); + + /* Guarantee ordering of memory (descriptors) and PIO (doorbell) */ + EFX_DMA_SYNC_QUEUE_FOR_DEVICE(erp->er_esmp, erp->er_mask + 1, + wptr, pushed & erp->er_mask); + EFSYS_PIO_WRITE_BARRIER(); + EFX_BAR_TBL_WRITED3(enp, FR_BZ_RX_DESC_UPD_REGP0, + erp->er_index, &dword, B_FALSE); +} + +static __checkReturn efx_rc_t +siena_rx_qflush( + __in efx_rxq_t *erp) +{ + efx_nic_t *enp = erp->er_enp; + efx_oword_t oword; + uint32_t label; + + label = erp->er_index; + + /* Flush the queue */ + EFX_POPULATE_OWORD_2(oword, FRF_AZ_RX_FLUSH_DESCQ_CMD, 1, + FRF_AZ_RX_FLUSH_DESCQ, label); + EFX_BAR_WRITEO(enp, FR_AZ_RX_FLUSH_DESCQ_REG, &oword); + + return (0); +} + +static void +siena_rx_qenable( + __in efx_rxq_t *erp) +{ + efx_nic_t *enp = erp->er_enp; + efx_oword_t oword; + + EFSYS_ASSERT3U(erp->er_magic, ==, EFX_RXQ_MAGIC); + + EFX_BAR_TBL_READO(enp, FR_AZ_RX_DESC_PTR_TBL, + erp->er_index, &oword, B_TRUE); + + EFX_SET_OWORD_FIELD(oword, FRF_AZ_RX_DC_HW_RPTR, 0); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_RX_DESCQ_HW_RPTR, 0); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_RX_DESCQ_EN, 1); + + EFX_BAR_TBL_WRITEO(enp, FR_AZ_RX_DESC_PTR_TBL, + erp->er_index, &oword, B_TRUE); +} + +static __checkReturn efx_rc_t +siena_rx_qcreate( + __in efx_nic_t *enp, + __in unsigned int index, + __in unsigned int label, + __in efx_rxq_type_t type, + __in efsys_mem_t *esmp, + __in size_t n, + __in uint32_t id, + __in efx_evq_t *eep, + __in efx_rxq_t *erp) +{ + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + efx_oword_t oword; + uint32_t size; + boolean_t jumbo; + efx_rc_t rc; + + _NOTE(ARGUNUSED(esmp)) + + EFX_STATIC_ASSERT(EFX_EV_RX_NLABELS == + (1 << FRF_AZ_RX_DESCQ_LABEL_WIDTH)); + EFSYS_ASSERT3U(label, <, EFX_EV_RX_NLABELS); + EFSYS_ASSERT3U(enp->en_rx_qcount + 1, <, encp->enc_rxq_limit); + + EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MAXNDESCS)); + EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MINNDESCS)); + + if (!ISP2(n) || (n < EFX_RXQ_MINNDESCS) || (n > EFX_RXQ_MAXNDESCS)) { + rc = EINVAL; + goto fail1; + } + if (index >= encp->enc_rxq_limit) { + rc = EINVAL; + goto fail2; + } + for (size = 0; (1 << size) <= (EFX_RXQ_MAXNDESCS / EFX_RXQ_MINNDESCS); + size++) + if ((1 << size) == (int)(n / EFX_RXQ_MINNDESCS)) + break; + if (id + (1 << size) >= encp->enc_buftbl_limit) { + rc = EINVAL; + goto fail3; + } + + switch (type) { + case EFX_RXQ_TYPE_DEFAULT: + jumbo = B_FALSE; + break; + + default: + rc = EINVAL; + goto fail4; + } + + /* Set up the new descriptor queue */ + EFX_POPULATE_OWORD_7(oword, + FRF_AZ_RX_DESCQ_BUF_BASE_ID, id, + FRF_AZ_RX_DESCQ_EVQ_ID, eep->ee_index, + FRF_AZ_RX_DESCQ_OWNER_ID, 0, + FRF_AZ_RX_DESCQ_LABEL, label, + FRF_AZ_RX_DESCQ_SIZE, size, + FRF_AZ_RX_DESCQ_TYPE, 0, + FRF_AZ_RX_DESCQ_JUMBO, jumbo); + + EFX_BAR_TBL_WRITEO(enp, FR_AZ_RX_DESC_PTR_TBL, + erp->er_index, &oword, B_TRUE); + + return (0); + +fail4: + EFSYS_PROBE(fail4); +fail3: + EFSYS_PROBE(fail3); +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +static void +siena_rx_qdestroy( + __in efx_rxq_t *erp) +{ + efx_nic_t *enp = erp->er_enp; + efx_oword_t oword; + + EFSYS_ASSERT(enp->en_rx_qcount != 0); + --enp->en_rx_qcount; + + /* Purge descriptor queue */ + EFX_ZERO_OWORD(oword); + + EFX_BAR_TBL_WRITEO(enp, FR_AZ_RX_DESC_PTR_TBL, + erp->er_index, &oword, B_TRUE); + + /* Free the RXQ object */ + EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_rxq_t), erp); +} + +static void +siena_rx_fini( + __in efx_nic_t *enp) +{ + _NOTE(ARGUNUSED(enp)) +} + +#endif /* EFSYS_OPT_SIENA */ diff --git a/drivers/net/sfc/base/efx_tx.c b/drivers/net/sfc/base/efx_tx.c index 4f0099f8ff..7333f0ad19 100644 --- a/drivers/net/sfc/base/efx_tx.c +++ b/drivers/net/sfc/base/efx_tx.c @@ -33,6 +33,101 @@ #define EFX_TX_QSTAT_INCR(_etp, _stat) +#if EFSYS_OPT_SIENA + +static __checkReturn efx_rc_t +siena_tx_init( + __in efx_nic_t *enp); + +static void +siena_tx_fini( + __in efx_nic_t *enp); + +static __checkReturn efx_rc_t +siena_tx_qcreate( + __in efx_nic_t *enp, + __in unsigned int index, + __in unsigned int label, + __in efsys_mem_t *esmp, + __in size_t n, + __in uint32_t id, + __in uint16_t flags, + __in efx_evq_t *eep, + __in efx_txq_t *etp, + __out unsigned int *addedp); + +static void +siena_tx_qdestroy( + __in efx_txq_t *etp); + +static __checkReturn efx_rc_t +siena_tx_qpost( + __in efx_txq_t *etp, + __in_ecount(n) efx_buffer_t *eb, + __in unsigned int n, + __in unsigned int completed, + __inout unsigned int *addedp); + +static void +siena_tx_qpush( + __in efx_txq_t *etp, + __in unsigned int added, + __in unsigned int pushed); + +static __checkReturn efx_rc_t +siena_tx_qpace( + __in efx_txq_t *etp, + __in unsigned int ns); + +static __checkReturn efx_rc_t +siena_tx_qflush( + __in efx_txq_t *etp); + +static void +siena_tx_qenable( + __in efx_txq_t *etp); + + __checkReturn efx_rc_t +siena_tx_qdesc_post( + __in efx_txq_t *etp, + __in_ecount(n) efx_desc_t *ed, + __in unsigned int n, + __in unsigned int completed, + __inout unsigned int *addedp); + + void +siena_tx_qdesc_dma_create( + __in efx_txq_t *etp, + __in efsys_dma_addr_t addr, + __in size_t size, + __in boolean_t eop, + __out efx_desc_t *edp); + +#endif /* EFSYS_OPT_SIENA */ + + +#if EFSYS_OPT_SIENA +static const efx_tx_ops_t __efx_tx_siena_ops = { + siena_tx_init, /* etxo_init */ + siena_tx_fini, /* etxo_fini */ + siena_tx_qcreate, /* etxo_qcreate */ + siena_tx_qdestroy, /* etxo_qdestroy */ + siena_tx_qpost, /* etxo_qpost */ + siena_tx_qpush, /* etxo_qpush */ + siena_tx_qpace, /* etxo_qpace */ + siena_tx_qflush, /* etxo_qflush */ + siena_tx_qenable, /* etxo_qenable */ + NULL, /* etxo_qpio_enable */ + NULL, /* etxo_qpio_disable */ + NULL, /* etxo_qpio_write */ + NULL, /* etxo_qpio_post */ + siena_tx_qdesc_post, /* etxo_qdesc_post */ + siena_tx_qdesc_dma_create, /* etxo_qdesc_dma_create */ + NULL, /* etxo_qdesc_tso_create */ + NULL, /* etxo_qdesc_tso2_create */ + NULL, /* etxo_qdesc_vlantci_create */ +}; +#endif /* EFSYS_OPT_SIENA */ __checkReturn efx_rc_t efx_tx_init( @@ -55,6 +150,11 @@ efx_tx_init( } switch (enp->en_family) { +#if EFSYS_OPT_SIENA + case EFX_FAMILY_SIENA: + etxop = &__efx_tx_siena_ops; + break; +#endif /* EFSYS_OPT_SIENA */ default: EFSYS_ASSERT(0); @@ -461,3 +561,391 @@ efx_tx_qdesc_vlantci_create( } +#if EFSYS_OPT_SIENA + +static __checkReturn efx_rc_t +siena_tx_init( + __in efx_nic_t *enp) +{ + efx_oword_t oword; + + /* + * Disable the timer-based TX DMA backoff and allow TX DMA to be + * controlled by the RX FIFO fill level (although always allow a + * minimal trickle). + */ + EFX_BAR_READO(enp, FR_AZ_TX_RESERVED_REG, &oword); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TX_RX_SPACER, 0xfe); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TX_RX_SPACER_EN, 1); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TX_ONE_PKT_PER_Q, 1); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TX_PUSH_EN, 0); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TX_DIS_NON_IP_EV, 1); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TX_PREF_THRESHOLD, 2); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TX_PREF_WD_TMR, 0x3fffff); + + /* + * Filter all packets less than 14 bytes to avoid parsing + * errors. + */ + EFX_SET_OWORD_FIELD(oword, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1); + EFX_BAR_WRITEO(enp, FR_AZ_TX_RESERVED_REG, &oword); + + /* + * Do not set TX_NO_EOP_DISC_EN, since it limits packets to 16 + * descriptors (which is bad). + */ + EFX_BAR_READO(enp, FR_AZ_TX_CFG_REG, &oword); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TX_NO_EOP_DISC_EN, 0); + EFX_BAR_WRITEO(enp, FR_AZ_TX_CFG_REG, &oword); + + return (0); +} + +#define EFX_TX_DESC(_etp, _addr, _size, _eop, _added) \ + do { \ + unsigned int id; \ + size_t offset; \ + efx_qword_t qword; \ + \ + id = (_added)++ & (_etp)->et_mask; \ + offset = id * sizeof (efx_qword_t); \ + \ + EFSYS_PROBE5(tx_post, unsigned int, (_etp)->et_index, \ + unsigned int, id, efsys_dma_addr_t, (_addr), \ + size_t, (_size), boolean_t, (_eop)); \ + \ + EFX_POPULATE_QWORD_4(qword, \ + FSF_AZ_TX_KER_CONT, (_eop) ? 0 : 1, \ + FSF_AZ_TX_KER_BYTE_COUNT, (uint32_t)(_size), \ + FSF_AZ_TX_KER_BUF_ADDR_DW0, \ + (uint32_t)((_addr) & 0xffffffff), \ + FSF_AZ_TX_KER_BUF_ADDR_DW1, \ + (uint32_t)((_addr) >> 32)); \ + EFSYS_MEM_WRITEQ((_etp)->et_esmp, offset, &qword); \ + \ + _NOTE(CONSTANTCONDITION) \ + } while (B_FALSE) + +static __checkReturn efx_rc_t +siena_tx_qpost( + __in efx_txq_t *etp, + __in_ecount(n) efx_buffer_t *eb, + __in unsigned int n, + __in unsigned int completed, + __inout unsigned int *addedp) +{ + unsigned int added = *addedp; + unsigned int i; + int rc = ENOSPC; + + if (added - completed + n > EFX_TXQ_LIMIT(etp->et_mask + 1)) + goto fail1; + + for (i = 0; i < n; i++) { + efx_buffer_t *ebp = &eb[i]; + efsys_dma_addr_t start = ebp->eb_addr; + size_t size = ebp->eb_size; + efsys_dma_addr_t end = start + size; + + /* Fragments must not span 4k boundaries. */ + EFSYS_ASSERT(P2ROUNDUP(start + 1, 4096) >= end); + + EFX_TX_DESC(etp, start, size, ebp->eb_eop, added); + } + + EFX_TX_QSTAT_INCR(etp, TX_POST); + + *addedp = added; + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +static void +siena_tx_qpush( + __in efx_txq_t *etp, + __in unsigned int added, + __in unsigned int pushed) +{ + efx_nic_t *enp = etp->et_enp; + uint32_t wptr; + efx_dword_t dword; + efx_oword_t oword; + + /* Push the populated descriptors out */ + wptr = added & etp->et_mask; + + EFX_POPULATE_OWORD_1(oword, FRF_AZ_TX_DESC_WPTR, wptr); + + /* Only write the third DWORD */ + EFX_POPULATE_DWORD_1(dword, + EFX_DWORD_0, EFX_OWORD_FIELD(oword, EFX_DWORD_3)); + + /* Guarantee ordering of memory (descriptors) and PIO (doorbell) */ + EFX_DMA_SYNC_QUEUE_FOR_DEVICE(etp->et_esmp, etp->et_mask + 1, + wptr, pushed & etp->et_mask); + EFSYS_PIO_WRITE_BARRIER(); + EFX_BAR_TBL_WRITED3(enp, FR_BZ_TX_DESC_UPD_REGP0, + etp->et_index, &dword, B_FALSE); +} + +#define EFX_MAX_PACE_VALUE 20 + +static __checkReturn efx_rc_t +siena_tx_qpace( + __in efx_txq_t *etp, + __in unsigned int ns) +{ + efx_nic_t *enp = etp->et_enp; + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + efx_oword_t oword; + unsigned int pace_val; + unsigned int timer_period; + efx_rc_t rc; + + if (ns == 0) { + pace_val = 0; + } else { + /* + * The pace_val to write into the table is s.t + * ns <= timer_period * (2 ^ pace_val) + */ + timer_period = 104 / encp->enc_clk_mult; + for (pace_val = 1; pace_val <= EFX_MAX_PACE_VALUE; pace_val++) { + if ((timer_period << pace_val) >= ns) + break; + } + } + if (pace_val > EFX_MAX_PACE_VALUE) { + rc = EINVAL; + goto fail1; + } + + /* Update the pacing table */ + EFX_POPULATE_OWORD_1(oword, FRF_AZ_TX_PACE, pace_val); + EFX_BAR_TBL_WRITEO(enp, FR_AZ_TX_PACE_TBL, etp->et_index, + &oword, B_TRUE); + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +static __checkReturn efx_rc_t +siena_tx_qflush( + __in efx_txq_t *etp) +{ + efx_nic_t *enp = etp->et_enp; + efx_oword_t oword; + uint32_t label; + + efx_tx_qpace(etp, 0); + + label = etp->et_index; + + /* Flush the queue */ + EFX_POPULATE_OWORD_2(oword, FRF_AZ_TX_FLUSH_DESCQ_CMD, 1, + FRF_AZ_TX_FLUSH_DESCQ, label); + EFX_BAR_WRITEO(enp, FR_AZ_TX_FLUSH_DESCQ_REG, &oword); + + return (0); +} + +static void +siena_tx_qenable( + __in efx_txq_t *etp) +{ + efx_nic_t *enp = etp->et_enp; + efx_oword_t oword; + + EFX_BAR_TBL_READO(enp, FR_AZ_TX_DESC_PTR_TBL, + etp->et_index, &oword, B_TRUE); + + EFSYS_PROBE5(tx_descq_ptr, unsigned int, etp->et_index, + uint32_t, EFX_OWORD_FIELD(oword, EFX_DWORD_3), + uint32_t, EFX_OWORD_FIELD(oword, EFX_DWORD_2), + uint32_t, EFX_OWORD_FIELD(oword, EFX_DWORD_1), + uint32_t, EFX_OWORD_FIELD(oword, EFX_DWORD_0)); + + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TX_DC_HW_RPTR, 0); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TX_DESCQ_HW_RPTR, 0); + EFX_SET_OWORD_FIELD(oword, FRF_AZ_TX_DESCQ_EN, 1); + + EFX_BAR_TBL_WRITEO(enp, FR_AZ_TX_DESC_PTR_TBL, + etp->et_index, &oword, B_TRUE); +} + +static __checkReturn efx_rc_t +siena_tx_qcreate( + __in efx_nic_t *enp, + __in unsigned int index, + __in unsigned int label, + __in efsys_mem_t *esmp, + __in size_t n, + __in uint32_t id, + __in uint16_t flags, + __in efx_evq_t *eep, + __in efx_txq_t *etp, + __out unsigned int *addedp) +{ + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + efx_oword_t oword; + uint32_t size; + efx_rc_t rc; + + _NOTE(ARGUNUSED(esmp)) + + EFX_STATIC_ASSERT(EFX_EV_TX_NLABELS == + (1 << FRF_AZ_TX_DESCQ_LABEL_WIDTH)); + EFSYS_ASSERT3U(label, <, EFX_EV_TX_NLABELS); + + EFSYS_ASSERT(ISP2(encp->enc_txq_max_ndescs)); + EFX_STATIC_ASSERT(ISP2(EFX_TXQ_MINNDESCS)); + + if (!ISP2(n) || (n < EFX_TXQ_MINNDESCS) || (n > EFX_EVQ_MAXNEVS)) { + rc = EINVAL; + goto fail1; + } + if (index >= encp->enc_txq_limit) { + rc = EINVAL; + goto fail2; + } + for (size = 0; + (1 << size) <= (int)(encp->enc_txq_max_ndescs / EFX_TXQ_MINNDESCS); + size++) + if ((1 << size) == (int)(n / EFX_TXQ_MINNDESCS)) + break; + if (id + (1 << size) >= encp->enc_buftbl_limit) { + rc = EINVAL; + goto fail3; + } + + /* Set up the new descriptor queue */ + *addedp = 0; + + EFX_POPULATE_OWORD_6(oword, + FRF_AZ_TX_DESCQ_BUF_BASE_ID, id, + FRF_AZ_TX_DESCQ_EVQ_ID, eep->ee_index, + FRF_AZ_TX_DESCQ_OWNER_ID, 0, + FRF_AZ_TX_DESCQ_LABEL, label, + FRF_AZ_TX_DESCQ_SIZE, size, + FRF_AZ_TX_DESCQ_TYPE, 0); + + EFX_SET_OWORD_FIELD(oword, FRF_BZ_TX_NON_IP_DROP_DIS, 1); + EFX_SET_OWORD_FIELD(oword, FRF_BZ_TX_IP_CHKSM_DIS, + (flags & EFX_TXQ_CKSUM_IPV4) ? 0 : 1); + EFX_SET_OWORD_FIELD(oword, FRF_BZ_TX_TCP_CHKSM_DIS, + (flags & EFX_TXQ_CKSUM_TCPUDP) ? 0 : 1); + + EFX_BAR_TBL_WRITEO(enp, FR_AZ_TX_DESC_PTR_TBL, + etp->et_index, &oword, B_TRUE); + + return (0); + +fail3: + EFSYS_PROBE(fail3); +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +siena_tx_qdesc_post( + __in efx_txq_t *etp, + __in_ecount(n) efx_desc_t *ed, + __in unsigned int n, + __in unsigned int completed, + __inout unsigned int *addedp) +{ + unsigned int added = *addedp; + unsigned int i; + efx_rc_t rc; + + if (added - completed + n > EFX_TXQ_LIMIT(etp->et_mask + 1)) { + rc = ENOSPC; + goto fail1; + } + + for (i = 0; i < n; i++) { + efx_desc_t *edp = &ed[i]; + unsigned int id; + size_t offset; + + id = added++ & etp->et_mask; + offset = id * sizeof (efx_desc_t); + + EFSYS_MEM_WRITEQ(etp->et_esmp, offset, &edp->ed_eq); + } + + EFSYS_PROBE3(tx_desc_post, unsigned int, etp->et_index, + unsigned int, added, unsigned int, n); + + EFX_TX_QSTAT_INCR(etp, TX_POST); + + *addedp = added; + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + return (rc); +} + + void +siena_tx_qdesc_dma_create( + __in efx_txq_t *etp, + __in efsys_dma_addr_t addr, + __in size_t size, + __in boolean_t eop, + __out efx_desc_t *edp) +{ + /* Fragments must not span 4k boundaries. */ + EFSYS_ASSERT(P2ROUNDUP(addr + 1, 4096) >= addr + size); + + EFSYS_PROBE4(tx_desc_dma_create, unsigned int, etp->et_index, + efsys_dma_addr_t, addr, + size_t, size, boolean_t, eop); + + EFX_POPULATE_QWORD_4(edp->ed_eq, + FSF_AZ_TX_KER_CONT, eop ? 0 : 1, + FSF_AZ_TX_KER_BYTE_COUNT, (uint32_t)size, + FSF_AZ_TX_KER_BUF_ADDR_DW0, + (uint32_t)(addr & 0xffffffff), + FSF_AZ_TX_KER_BUF_ADDR_DW1, + (uint32_t)(addr >> 32)); +} + +#endif /* EFSYS_OPT_SIENA */ + +#if EFSYS_OPT_SIENA + +static void +siena_tx_qdestroy( + __in efx_txq_t *etp) +{ + efx_nic_t *enp = etp->et_enp; + efx_oword_t oword; + + /* Purge descriptor queue */ + EFX_ZERO_OWORD(oword); + + EFX_BAR_TBL_WRITEO(enp, FR_AZ_TX_DESC_PTR_TBL, + etp->et_index, &oword, B_TRUE); +} + +static void +siena_tx_fini( + __in efx_nic_t *enp) +{ + _NOTE(ARGUNUSED(enp)) +} + +#endif /* EFSYS_OPT_SIENA */ diff --git a/drivers/net/sfc/base/siena_flash.h b/drivers/net/sfc/base/siena_flash.h new file mode 100644 index 0000000000..e270055448 --- /dev/null +++ b/drivers/net/sfc/base/siena_flash.h @@ -0,0 +1,215 @@ +/* + * 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. + */ + +#ifndef _SYS_SIENA_FLASH_H +#define _SYS_SIENA_FLASH_H + +#pragma pack(1) + +/* Fixed locations near the start of flash (which may be in the internal PHY + * firmware header) point to the boot header. + * + * - parsed by MC boot ROM and firmware + * - reserved (but not parsed) by PHY firmware + * - opaque to driver + */ + +#define SIENA_MC_BOOT_PHY_FW_HDR_LEN (0x20) + +#define SIENA_MC_BOOT_PTR_LOCATION (0x18) /* First thing we try to boot */ +#define SIENA_MC_BOOT_ALT_PTR_LOCATION (0x1c) /* Alternative if that fails */ + +#define SIENA_MC_BOOT_HDR_LEN (0x200) + +#define SIENA_MC_BOOT_MAGIC (0x51E4A001) +#define SIENA_MC_BOOT_VERSION (1) + + +/*Structures supporting an arbitrary number of binary blobs in the flash image + intended to house code and tables for the satellite cpus*/ +/*thanks to random.org for:*/ +#define BLOBS_HEADER_MAGIC (0xBDA3BBD4) +#define BLOB_HEADER_MAGIC (0xA1478A91) + +typedef struct blobs_hdr_s { /* GENERATED BY scripts/genfwdef */ + efx_dword_t magic; + efx_dword_t no_of_blobs; +} blobs_hdr_t; + +typedef struct blob_hdr_s { /* GENERATED BY scripts/genfwdef */ + efx_dword_t magic; + efx_dword_t cpu_type; + efx_dword_t build_variant; + efx_dword_t offset; + efx_dword_t length; + efx_dword_t checksum; +} blob_hdr_t; + +#define BLOB_CPU_TYPE_TXDI_TEXT (0) +#define BLOB_CPU_TYPE_RXDI_TEXT (1) +#define BLOB_CPU_TYPE_TXDP_TEXT (2) +#define BLOB_CPU_TYPE_RXDP_TEXT (3) +#define BLOB_CPU_TYPE_RXHRSL_HR_LUT (4) +#define BLOB_CPU_TYPE_RXHRSL_HR_LUT_CFG (5) +#define BLOB_CPU_TYPE_TXHRSL_HR_LUT (6) +#define BLOB_CPU_TYPE_TXHRSL_HR_LUT_CFG (7) +#define BLOB_CPU_TYPE_RXHRSL_HR_PGM (8) +#define BLOB_CPU_TYPE_RXHRSL_SL_PGM (9) +#define BLOB_CPU_TYPE_TXHRSL_HR_PGM (10) +#define BLOB_CPU_TYPE_TXHRSL_SL_PGM (11) +#define BLOB_CPU_TYPE_RXDI_VTBL0 (12) +#define BLOB_CPU_TYPE_TXDI_VTBL0 (13) +#define BLOB_CPU_TYPE_RXDI_VTBL1 (14) +#define BLOB_CPU_TYPE_TXDI_VTBL1 (15) +#define BLOB_CPU_TYPE_DUMPSPEC (32) +#define BLOB_CPU_TYPE_MC_XIP (33) + +#define BLOB_CPU_TYPE_INVALID (31) + +/* + * The upper four bits of the CPU type field specify the compression + * algorithm used for this blob. + */ +#define BLOB_COMPRESSION_MASK (0xf0000000) +#define BLOB_CPU_TYPE_MASK (0x0fffffff) + +#define BLOB_COMPRESSION_NONE (0x00000000) /* Stored as is */ +#define BLOB_COMPRESSION_LZ (0x10000000) /* see lib/lzdecoder.c */ + +typedef struct siena_mc_boot_hdr_s { /* GENERATED BY scripts/genfwdef */ + efx_dword_t magic; /* = SIENA_MC_BOOT_MAGIC */ + efx_word_t hdr_version; /* this structure definition is version 1 */ + efx_byte_t board_type; + efx_byte_t firmware_version_a; + efx_byte_t firmware_version_b; + efx_byte_t firmware_version_c; + efx_word_t checksum; /* of whole header area + firmware image */ + efx_word_t firmware_version_d; + efx_byte_t mcfw_subtype; + efx_byte_t generation; /* Valid for medford, SBZ for earlier chips */ + efx_dword_t firmware_text_offset; /* offset to firmware .text */ + efx_dword_t firmware_text_size; /* length of firmware .text, in bytes */ + efx_dword_t firmware_data_offset; /* offset to firmware .data */ + efx_dword_t firmware_data_size; /* length of firmware .data, in bytes */ + efx_byte_t spi_rate; /* SPI rate for reading image, 0 is BootROM default */ + efx_byte_t spi_phase_adj; /* SPI SDO/SCL phase adjustment, 0 is default (no adj) */ + efx_word_t xpm_sector; /* The sector that contains the key, or 0xffff if unsigned (medford) SBZ (earlier) */ + efx_dword_t reserved_c[7]; /* (set to 0) */ +} siena_mc_boot_hdr_t; + +#define SIENA_MC_BOOT_HDR_PADDING \ + (SIENA_MC_BOOT_HDR_LEN - sizeof(siena_mc_boot_hdr_t)) + +#define SIENA_MC_STATIC_CONFIG_MAGIC (0xBDCF5555) +#define SIENA_MC_STATIC_CONFIG_VERSION (0) + +typedef struct siena_mc_static_config_hdr_s { /* GENERATED BY scripts/genfwdef */ + efx_dword_t magic; /* = SIENA_MC_STATIC_CONFIG_MAGIC */ + efx_word_t length; /* of header area (i.e. not including VPD) */ + efx_byte_t version; + efx_byte_t csum; /* over header area (i.e. not including VPD) */ + efx_dword_t static_vpd_offset; + efx_dword_t static_vpd_length; + efx_dword_t capabilities; + efx_byte_t mac_addr_base[6]; + efx_byte_t green_mode_cal; /* Green mode calibration result */ + efx_byte_t green_mode_valid; /* Whether cal holds a valid value */ + efx_word_t mac_addr_count; + efx_word_t mac_addr_stride; + efx_word_t calibrated_vref; /* Vref as measured during production */ + efx_word_t adc_vref; /* Vref as read by ADC */ + efx_dword_t reserved2[1]; /* (write as zero) */ + efx_dword_t num_dbi_items; + struct { + efx_word_t addr; + efx_word_t byte_enables; + efx_dword_t value; + } dbi[]; +} siena_mc_static_config_hdr_t; + +/* This prefixes a valid XIP partition */ +#define XIP_PARTITION_MAGIC (0x51DEC0DE) + +#define SIENA_MC_DYNAMIC_CONFIG_MAGIC (0xBDCFDDDD) +#define SIENA_MC_DYNAMIC_CONFIG_VERSION (0) + +typedef struct siena_mc_fw_version_s { /* GENERATED BY scripts/genfwdef */ + efx_dword_t fw_subtype; + efx_word_t version_w; + efx_word_t version_x; + efx_word_t version_y; + efx_word_t version_z; +} siena_mc_fw_version_t; + +typedef struct siena_mc_dynamic_config_hdr_s { /* GENERATED BY scripts/genfwdef */ + efx_dword_t magic; /* = SIENA_MC_DYNAMIC_CONFIG_MAGIC */ + efx_word_t length; /* of header area (i.e. not including VPD) */ + efx_byte_t version; + efx_byte_t csum; /* over header area (i.e. not including VPD) */ + efx_dword_t dynamic_vpd_offset; + efx_dword_t dynamic_vpd_length; + efx_dword_t num_fw_version_items; + siena_mc_fw_version_t fw_version[]; +} siena_mc_dynamic_config_hdr_t; + +#define SIENA_MC_EXPROM_SINGLE_MAGIC (0xAA55) /* little-endian uint16_t */ + +#define SIENA_MC_EXPROM_COMBO_MAGIC (0xB0070102) /* little-endian uint32_t */ +#define SIENA_MC_EXPROM_COMBO_V2_MAGIC (0xB0070103) /* little-endian uint32_t */ + +typedef struct siena_mc_combo_rom_hdr_s { /* GENERATED BY scripts/genfwdef */ + efx_dword_t magic; /* = SIENA_MC_EXPROM_COMBO_MAGIC or SIENA_MC_EXPROM_COMBO_V2_MAGIC */ + union { + struct { + efx_dword_t len1; /* length of first image */ + efx_dword_t len2; /* length of second image */ + efx_dword_t off1; /* offset of first byte to edit to combine images */ + efx_dword_t off2; /* offset of second byte to edit to combine images */ + efx_word_t infoblk0_off;/* infoblk offset */ + efx_word_t infoblk1_off;/* infoblk offset */ + efx_byte_t infoblk_len;/* length of space reserved for one infoblk structure */ + efx_byte_t reserved[7];/* (set to 0) */ + } v1; + struct { + efx_dword_t len1; /* length of first image */ + efx_dword_t len2; /* length of second image */ + efx_dword_t off1; /* offset of first byte to edit to combine images */ + efx_dword_t off2; /* offset of second byte to edit to combine images */ + efx_word_t infoblk_off;/* infoblk start offset */ + efx_word_t infoblk_count;/* infoblk count */ + efx_byte_t infoblk_len;/* length of space reserved for one infoblk structure */ + efx_byte_t reserved[7];/* (set to 0) */ + } v2; + } data; +} siena_mc_combo_rom_hdr_t; + +#pragma pack() + +#endif /* _SYS_SIENA_FLASH_H */ diff --git a/drivers/net/sfc/base/siena_impl.h b/drivers/net/sfc/base/siena_impl.h new file mode 100644 index 0000000000..2c2a09812b --- /dev/null +++ b/drivers/net/sfc/base/siena_impl.h @@ -0,0 +1,179 @@ +/* + * Copyright (c) 2009-2016 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. + */ + +#ifndef _SYS_SIENA_IMPL_H +#define _SYS_SIENA_IMPL_H + +#include "efx.h" +#include "efx_regs.h" +#include "efx_mcdi.h" +#include "siena_flash.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define SIENA_NVRAM_CHUNK 0x80 + +extern __checkReturn efx_rc_t +siena_nic_probe( + __in efx_nic_t *enp); + +extern __checkReturn efx_rc_t +siena_nic_reset( + __in efx_nic_t *enp); + +extern __checkReturn efx_rc_t +siena_nic_init( + __in efx_nic_t *enp); + +extern void +siena_nic_fini( + __in efx_nic_t *enp); + +extern void +siena_nic_unprobe( + __in efx_nic_t *enp); + +#define SIENA_SRAM_ROWS 0x12000 + +extern void +siena_sram_init( + __in efx_nic_t *enp); + +#if EFSYS_OPT_MCDI + +extern __checkReturn efx_rc_t +siena_mcdi_init( + __in efx_nic_t *enp, + __in const efx_mcdi_transport_t *mtp); + +extern void +siena_mcdi_send_request( + __in efx_nic_t *enp, + __in_bcount(hdr_len) void *hdrp, + __in size_t hdr_len, + __in_bcount(sdu_len) void *sdup, + __in size_t sdu_len); + +extern __checkReturn boolean_t +siena_mcdi_poll_response( + __in efx_nic_t *enp); + +extern void +siena_mcdi_read_response( + __in efx_nic_t *enp, + __out_bcount(length) void *bufferp, + __in size_t offset, + __in size_t length); + +extern efx_rc_t +siena_mcdi_poll_reboot( + __in efx_nic_t *enp); + +extern void +siena_mcdi_fini( + __in efx_nic_t *enp); + +extern __checkReturn efx_rc_t +siena_mcdi_feature_supported( + __in efx_nic_t *enp, + __in efx_mcdi_feature_id_t id, + __out boolean_t *supportedp); + +extern void +siena_mcdi_get_timeout( + __in efx_nic_t *enp, + __in efx_mcdi_req_t *emrp, + __out uint32_t *timeoutp); + +#endif /* EFSYS_OPT_MCDI */ + +typedef struct siena_link_state_s { + uint32_t sls_adv_cap_mask; + uint32_t sls_lp_cap_mask; + unsigned int sls_fcntl; + efx_link_mode_t sls_link_mode; + boolean_t sls_mac_up; +} siena_link_state_t; + +extern void +siena_phy_link_ev( + __in efx_nic_t *enp, + __in efx_qword_t *eqp, + __out efx_link_mode_t *link_modep); + +extern __checkReturn efx_rc_t +siena_phy_get_link( + __in efx_nic_t *enp, + __out siena_link_state_t *slsp); + +extern __checkReturn efx_rc_t +siena_phy_power( + __in efx_nic_t *enp, + __in boolean_t on); + +extern __checkReturn efx_rc_t +siena_phy_reconfigure( + __in efx_nic_t *enp); + +extern __checkReturn efx_rc_t +siena_phy_verify( + __in efx_nic_t *enp); + +extern __checkReturn efx_rc_t +siena_phy_oui_get( + __in efx_nic_t *enp, + __out uint32_t *ouip); + +extern __checkReturn efx_rc_t +siena_mac_poll( + __in efx_nic_t *enp, + __out efx_link_mode_t *link_modep); + +extern __checkReturn efx_rc_t +siena_mac_up( + __in efx_nic_t *enp, + __out boolean_t *mac_upp); + +extern __checkReturn efx_rc_t +siena_mac_reconfigure( + __in efx_nic_t *enp); + +extern __checkReturn efx_rc_t +siena_mac_pdu_get( + __in efx_nic_t *enp, + __out size_t *pdu); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_SIENA_IMPL_H */ diff --git a/drivers/net/sfc/base/siena_mac.c b/drivers/net/sfc/base/siena_mac.c new file mode 100644 index 0000000000..71b0a9a1ac --- /dev/null +++ b/drivers/net/sfc/base/siena_mac.c @@ -0,0 +1,205 @@ +/* + * Copyright (c) 2009-2016 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 + + __checkReturn efx_rc_t +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; + efx_rc_t 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, efx_rc_t, rc); + + *link_modep = EFX_LINK_UNKNOWN; + + return (rc); +} + + __checkReturn efx_rc_t +siena_mac_up( + __in efx_nic_t *enp, + __out boolean_t *mac_upp) +{ + siena_link_state_t sls; + efx_rc_t 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, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +siena_mac_reconfigure( + __in efx_nic_t *enp) +{ + efx_port_t *epp = &(enp->en_port); + efx_oword_t multicast_hash[2]; + efx_mcdi_req_t req; + uint8_t payload[MAX(MAX(MC_CMD_SET_MAC_IN_LEN, + MC_CMD_SET_MAC_OUT_LEN), + MAX(MC_CMD_SET_MCAST_HASH_IN_LEN, + MC_CMD_SET_MCAST_HASH_OUT_LEN))]; + unsigned int fcntl; + efx_rc_t rc; + + (void) memset(payload, 0, sizeof (payload)); + 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); + MCDI_IN_POPULATE_DWORD_2(req, SET_MAC_IN_REJECT, + SET_MAC_IN_REJECT_UNCST, !epp->ep_all_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 */ + + if (epp->ep_all_mulcst) { + /* A hash matching all multicast is all 1s */ + EFX_SET_OWORD(multicast_hash[0]); + EFX_SET_OWORD(multicast_hash[1]); + } else if (epp->ep_mulcst) { + /* Use the hash set by the multicast list */ + multicast_hash[0] = epp->ep_multicst_hash[0]; + multicast_hash[1] = epp->ep_multicst_hash[1]; + } else { + /* A hash matching no traffic is simply 0 */ + EFX_ZERO_OWORD(multicast_hash[0]); + EFX_ZERO_OWORD(multicast_hash[1]); + } + + /* + * Broadcast packets go through the multicast hash filter. + * The IEEE 802.3 CRC32 of the broadcast address is 0xbe2612ff + * so we always add bit 0xff to the mask (bit 0x7f in the + * second octword). + */ + if (epp->ep_brdcst) { + /* + * NOTE: due to constant folding, some of this evaluates + * to null expressions, giving E_EXPR_NULL_EFFECT during + * lint on Illumos. No good way to fix this without + * explicit coding the individual word/bit setting. + * So just suppress lint for this one line. + */ + /* LINTED */ + EFX_SET_OWORD_BIT(multicast_hash[1], 0x7f); + } + + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_SET_MCAST_HASH; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_SET_MCAST_HASH_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_SET_MCAST_HASH_OUT_LEN; + + memcpy(MCDI_IN2(req, uint8_t, SET_MCAST_HASH_IN_HASH0), + multicast_hash, sizeof (multicast_hash)); + + 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, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +siena_mac_pdu_get( + __in efx_nic_t *enp, + __out size_t *pdu) +{ + return (ENOTSUP); +} + +#endif /* EFSYS_OPT_SIENA */ diff --git a/drivers/net/sfc/base/siena_mcdi.c b/drivers/net/sfc/base/siena_mcdi.c new file mode 100644 index 0000000000..63c29fcb56 --- /dev/null +++ b/drivers/net/sfc/base/siena_mcdi.c @@ -0,0 +1,263 @@ +/* + * 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 "efx.h" +#include "efx_impl.h" + +#if EFSYS_OPT_SIENA && EFSYS_OPT_MCDI + +#define SIENA_MCDI_PDU(_emip) \ + (((emip)->emi_port == 1) \ + ? MC_SMEM_P0_PDU_OFST >> 2 \ + : MC_SMEM_P1_PDU_OFST >> 2) + +#define SIENA_MCDI_DOORBELL(_emip) \ + (((emip)->emi_port == 1) \ + ? MC_SMEM_P0_DOORBELL_OFST >> 2 \ + : MC_SMEM_P1_DOORBELL_OFST >> 2) + +#define SIENA_MCDI_STATUS(_emip) \ + (((emip)->emi_port == 1) \ + ? MC_SMEM_P0_STATUS_OFST >> 2 \ + : MC_SMEM_P1_STATUS_OFST >> 2) + + + void +siena_mcdi_send_request( + __in efx_nic_t *enp, + __in_bcount(hdr_len) void *hdrp, + __in size_t hdr_len, + __in_bcount(sdu_len) void *sdup, + __in size_t sdu_len) +{ + efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); + efx_dword_t dword; + unsigned int pdur; + unsigned int dbr; + unsigned int pos; + + EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA); + + EFSYS_ASSERT(emip->emi_port == 1 || emip->emi_port == 2); + pdur = SIENA_MCDI_PDU(emip); + dbr = SIENA_MCDI_DOORBELL(emip); + + /* Write the header */ + EFSYS_ASSERT3U(hdr_len, ==, sizeof (efx_dword_t)); + dword = *(efx_dword_t *)hdrp; + EFX_BAR_TBL_WRITED(enp, FR_CZ_MC_TREG_SMEM, pdur, &dword, B_TRUE); + + /* Write the payload */ + for (pos = 0; pos < sdu_len; pos += sizeof (efx_dword_t)) { + dword = *(efx_dword_t *)((uint8_t *)sdup + pos); + EFX_BAR_TBL_WRITED(enp, FR_CZ_MC_TREG_SMEM, + pdur + 1 + (pos >> 2), &dword, B_FALSE); + } + + /* Ring the doorbell */ + EFX_POPULATE_DWORD_1(dword, EFX_DWORD_0, 0xd004be11); + EFX_BAR_TBL_WRITED(enp, FR_CZ_MC_TREG_SMEM, dbr, &dword, B_FALSE); +} + + efx_rc_t +siena_mcdi_poll_reboot( + __in efx_nic_t *enp) +{ +#if 1 + /* + * XXX Bug 25922, bug 26099: This function is not being used + * properly. Until its callers are fixed, it should always + * return 0. + */ + _NOTE(ARGUNUSED(enp)) + return (0); +#else + efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); + unsigned int rebootr; + efx_dword_t dword; + uint32_t value; + + EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA); + EFSYS_ASSERT(emip->emi_port == 1 || emip->emi_port == 2); + rebootr = SIENA_MCDI_STATUS(emip); + + EFX_BAR_TBL_READD(enp, FR_CZ_MC_TREG_SMEM, rebootr, &dword, B_FALSE); + value = EFX_DWORD_FIELD(dword, EFX_DWORD_0); + + if (value == 0) + return (0); + + EFX_ZERO_DWORD(dword); + EFX_BAR_TBL_WRITED(enp, FR_CZ_MC_TREG_SMEM, rebootr, &dword, B_FALSE); + + if (value == MC_STATUS_DWORD_ASSERT) + return (EINTR); + else + return (EIO); +#endif +} + +extern __checkReturn boolean_t +siena_mcdi_poll_response( + __in efx_nic_t *enp) +{ + efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); + efx_dword_t hdr; + unsigned int pdur; + + EFSYS_ASSERT(emip->emi_port == 1 || emip->emi_port == 2); + pdur = SIENA_MCDI_PDU(emip); + + EFX_BAR_TBL_READD(enp, FR_CZ_MC_TREG_SMEM, pdur, &hdr, B_FALSE); + return (EFX_DWORD_FIELD(hdr, MCDI_HEADER_RESPONSE) ? B_TRUE : B_FALSE); +} + + void +siena_mcdi_read_response( + __in efx_nic_t *enp, + __out_bcount(length) void *bufferp, + __in size_t offset, + __in size_t length) +{ + efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); + unsigned int pdur; + unsigned int pos; + efx_dword_t data; + + EFSYS_ASSERT(emip->emi_port == 1 || emip->emi_port == 2); + pdur = SIENA_MCDI_PDU(emip); + + for (pos = 0; pos < length; pos += sizeof (efx_dword_t)) { + EFX_BAR_TBL_READD(enp, FR_CZ_MC_TREG_SMEM, + pdur + ((offset + pos) >> 2), &data, B_FALSE); + memcpy((uint8_t *)bufferp + pos, &data, + MIN(sizeof (data), length - pos)); + } +} + + __checkReturn efx_rc_t +siena_mcdi_init( + __in efx_nic_t *enp, + __in const efx_mcdi_transport_t *mtp) +{ + efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); + efx_oword_t oword; + unsigned int portnum; + efx_rc_t rc; + + _NOTE(ARGUNUSED(mtp)) + + EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA); + + /* Determine the port number to use for MCDI */ + EFX_BAR_READO(enp, FR_AZ_CS_DEBUG_REG, &oword); + portnum = EFX_OWORD_FIELD(oword, FRF_CZ_CS_PORT_NUM); + + if (portnum == 0) { + /* Presumably booted from ROM; only MCDI port 1 will work */ + emip->emi_port = 1; + } else if (portnum <= 2) { + emip->emi_port = portnum; + } else { + rc = EINVAL; + goto fail1; + } + + /* Siena BootROM and firmware only support MCDIv1 */ + emip->emi_max_version = 1; + + /* + * Wipe the atomic reboot status so subsequent MCDI requests succeed. + * BOOT_STATUS is preserved so eno_nic_probe() can boot out of the + * assertion handler. + */ + (void) siena_mcdi_poll_reboot(enp); + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + void +siena_mcdi_fini( + __in efx_nic_t *enp) +{ + _NOTE(ARGUNUSED(enp)) +} + + __checkReturn efx_rc_t +siena_mcdi_feature_supported( + __in efx_nic_t *enp, + __in efx_mcdi_feature_id_t id, + __out boolean_t *supportedp) +{ + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA); + + switch (id) { + case EFX_MCDI_FEATURE_FW_UPDATE: + case EFX_MCDI_FEATURE_LINK_CONTROL: + case EFX_MCDI_FEATURE_MACADDR_CHANGE: + case EFX_MCDI_FEATURE_MAC_SPOOFING: + *supportedp = B_TRUE; + break; + default: + rc = ENOTSUP; + goto fail1; + } + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +/* Default timeout for MCDI command processing. */ +#define SIENA_MCDI_CMD_TIMEOUT_US (10 * 1000 * 1000) + + void +siena_mcdi_get_timeout( + __in efx_nic_t *enp, + __in efx_mcdi_req_t *emrp, + __out uint32_t *timeoutp) +{ + _NOTE(ARGUNUSED(enp, emrp)) + + *timeoutp = SIENA_MCDI_CMD_TIMEOUT_US; +} + + +#endif /* EFSYS_OPT_SIENA && EFSYS_OPT_MCDI */ diff --git a/drivers/net/sfc/base/siena_nic.c b/drivers/net/sfc/base/siena_nic.c new file mode 100644 index 0000000000..7be16dc1ae --- /dev/null +++ b/drivers/net/sfc/base/siena_nic.c @@ -0,0 +1,357 @@ +/* + * Copyright (c) 2009-2016 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" +#include "mcdi_mon.h" + +#if EFSYS_OPT_SIENA + +static __checkReturn efx_rc_t +siena_board_cfg( + __in efx_nic_t *enp) +{ + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + uint8_t mac_addr[6]; + efx_dword_t capabilities; + uint32_t board_type; + uint32_t nevq, nrxq, ntxq; + efx_rc_t rc; + + /* External port identifier using one-based port numbering */ + encp->enc_external_port = (uint8_t)enp->en_mcdi.em_emip.emi_port; + + /* Board configuration */ + if ((rc = efx_mcdi_get_board_cfg(enp, &board_type, + &capabilities, mac_addr)) != 0) + goto fail1; + + EFX_MAC_ADDR_COPY(encp->enc_mac_addr, mac_addr); + + encp->enc_board_type = board_type; + + /* + * There is no possibility to determine the number of PFs on Siena + * by issuing MCDI request, and it is not an easy task to find the + * value based on the board type, so 'enc_hw_pf_count' is set to 1 + */ + encp->enc_hw_pf_count = 1; + + /* Additional capabilities */ + encp->enc_clk_mult = 1; + if (EFX_DWORD_FIELD(capabilities, MC_CMD_CAPABILITIES_TURBO)) { + enp->en_features |= EFX_FEATURE_TURBO; + + if (EFX_DWORD_FIELD(capabilities, + MC_CMD_CAPABILITIES_TURBO_ACTIVE)) { + encp->enc_clk_mult = 2; + } + } + + encp->enc_evq_timer_quantum_ns = + EFX_EVQ_SIENA_TIMER_QUANTUM_NS / encp->enc_clk_mult; + encp->enc_evq_timer_max_us = (encp->enc_evq_timer_quantum_ns << + FRF_CZ_TC_TIMER_VAL_WIDTH) / 1000; + + /* When hash header insertion is enabled, Siena inserts 16 bytes */ + encp->enc_rx_prefix_size = 16; + + /* Alignment for receive packet DMA buffers */ + encp->enc_rx_buf_align_start = 1; + encp->enc_rx_buf_align_end = 1; + + /* Alignment for WPTR updates */ + encp->enc_rx_push_align = 1; + + /* Resource limits */ + rc = efx_mcdi_get_resource_limits(enp, &nevq, &nrxq, &ntxq); + if (rc != 0) { + if (rc != ENOTSUP) + goto fail2; + + nevq = 1024; + nrxq = EFX_RXQ_LIMIT_TARGET; + ntxq = EFX_TXQ_LIMIT_TARGET; + } + encp->enc_evq_limit = nevq; + encp->enc_rxq_limit = MIN(EFX_RXQ_LIMIT_TARGET, nrxq); + encp->enc_txq_limit = MIN(EFX_TXQ_LIMIT_TARGET, ntxq); + + encp->enc_txq_max_ndescs = 4096; + + encp->enc_buftbl_limit = SIENA_SRAM_ROWS - + (encp->enc_txq_limit * EFX_TXQ_DC_NDESCS(EFX_TXQ_DC_SIZE)) - + (encp->enc_rxq_limit * EFX_RXQ_DC_NDESCS(EFX_RXQ_DC_SIZE)); + + encp->enc_hw_tx_insert_vlan_enabled = B_FALSE; + encp->enc_fw_assisted_tso_enabled = B_FALSE; + encp->enc_fw_assisted_tso_v2_enabled = B_FALSE; + encp->enc_fw_assisted_tso_v2_n_contexts = 0; + encp->enc_allow_set_mac_with_installed_filters = B_TRUE; + encp->enc_rx_packed_stream_supported = B_FALSE; + encp->enc_rx_var_packed_stream_supported = B_FALSE; + + /* Siena supports two 10G ports, and 8 lanes of PCIe Gen2 */ + encp->enc_required_pcie_bandwidth_mbps = 2 * 10000; + encp->enc_max_pcie_link_gen = EFX_PCIE_LINK_SPEED_GEN2; + + encp->enc_fw_verified_nvram_update_required = B_FALSE; + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +static __checkReturn efx_rc_t +siena_phy_cfg( + __in efx_nic_t *enp) +{ + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + efx_rc_t rc; + + /* Fill out fields in enp->en_port and enp->en_nic_cfg from MCDI */ + if ((rc = efx_mcdi_get_phy_cfg(enp)) != 0) + goto fail1; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +siena_nic_probe( + __in efx_nic_t *enp) +{ + efx_port_t *epp = &(enp->en_port); + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + siena_link_state_t sls; + unsigned int mask; + efx_oword_t oword; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA); + + /* Test BIU */ + if ((rc = efx_nic_biu_test(enp)) != 0) + goto fail1; + + /* Clear the region register */ + EFX_POPULATE_OWORD_4(oword, + FRF_AZ_ADR_REGION0, 0, + FRF_AZ_ADR_REGION1, (1 << 16), + FRF_AZ_ADR_REGION2, (2 << 16), + FRF_AZ_ADR_REGION3, (3 << 16)); + EFX_BAR_WRITEO(enp, FR_AZ_ADR_REGION_REG, &oword); + + /* Read clear any assertion state */ + if ((rc = efx_mcdi_read_assertion(enp)) != 0) + goto fail2; + + /* Exit the assertion handler */ + if ((rc = efx_mcdi_exit_assertion_handler(enp)) != 0) + goto fail3; + + /* Wrestle control from the BMC */ + if ((rc = efx_mcdi_drv_attach(enp, B_TRUE)) != 0) + goto fail4; + + if ((rc = siena_board_cfg(enp)) != 0) + goto fail5; + + if ((rc = siena_phy_cfg(enp)) != 0) + goto fail6; + + /* Obtain the default PHY advertised capabilities */ + if ((rc = siena_nic_reset(enp)) != 0) + goto fail7; + if ((rc = siena_phy_get_link(enp, &sls)) != 0) + goto fail8; + epp->ep_default_adv_cap_mask = sls.sls_adv_cap_mask; + epp->ep_adv_cap_mask = sls.sls_adv_cap_mask; + + encp->enc_features = enp->en_features; + + return (0); + +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); +} + + __checkReturn efx_rc_t +siena_nic_reset( + __in efx_nic_t *enp) +{ + efx_mcdi_req_t req; + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA); + + /* siena_nic_reset() is called to recover from BADASSERT failures. */ + if ((rc = efx_mcdi_read_assertion(enp)) != 0) + goto fail1; + if ((rc = efx_mcdi_exit_assertion_handler(enp)) != 0) + goto fail2; + + /* + * Bug24908: ENTITY_RESET_IN_LEN is non zero but zero may be supplied + * for backwards compatibility with PORT_RESET_IN_LEN. + */ + EFX_STATIC_ASSERT(MC_CMD_ENTITY_RESET_OUT_LEN == 0); + + req.emr_cmd = MC_CMD_ENTITY_RESET; + req.emr_in_buf = NULL; + req.emr_in_length = 0; + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail3; + } + + return (0); + +fail3: + EFSYS_PROBE(fail3); +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (0); +} + +static void +siena_nic_rx_cfg( + __in efx_nic_t *enp) +{ + efx_oword_t oword; + + /* + * RX_INGR_EN is always enabled on Siena, because we rely on + * the RX parser to be resiliant to missing SOP/EOP. + */ + EFX_BAR_READO(enp, FR_AZ_RX_CFG_REG, &oword); + EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_INGR_EN, 1); + EFX_BAR_WRITEO(enp, FR_AZ_RX_CFG_REG, &oword); + + /* Disable parsing of additional 802.1Q in Q packets */ + EFX_BAR_READO(enp, FR_AZ_RX_FILTER_CTL_REG, &oword); + EFX_SET_OWORD_FIELD(oword, FRF_CZ_RX_FILTER_ALL_VLAN_ETHERTYPES, 0); + EFX_BAR_WRITEO(enp, FR_AZ_RX_FILTER_CTL_REG, &oword); +} + +static void +siena_nic_usrev_dis( + __in efx_nic_t *enp) +{ + efx_oword_t oword; + + EFX_POPULATE_OWORD_1(oword, FRF_CZ_USREV_DIS, 1); + EFX_BAR_WRITEO(enp, FR_CZ_USR_EV_CFG, &oword); +} + + __checkReturn efx_rc_t +siena_nic_init( + __in efx_nic_t *enp) +{ + efx_rc_t rc; + + EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA); + + /* Enable reporting of some events (e.g. link change) */ + if ((rc = efx_mcdi_log_ctrl(enp)) != 0) + goto fail1; + + siena_sram_init(enp); + + /* Configure Siena's RX block */ + siena_nic_rx_cfg(enp); + + /* Disable USR_EVents for now */ + siena_nic_usrev_dis(enp); + + /* bug17057: Ensure set_link is called */ + if ((rc = siena_phy_reconfigure(enp)) != 0) + goto fail2; + + enp->en_nic_cfg.enc_mcdi_max_payload_length = MCDI_CTL_SDU_LEN_MAX_V1; + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + void +siena_nic_fini( + __in efx_nic_t *enp) +{ + _NOTE(ARGUNUSED(enp)) +} + + void +siena_nic_unprobe( + __in efx_nic_t *enp) +{ + (void) efx_mcdi_drv_attach(enp, B_FALSE); +} + +#endif /* EFSYS_OPT_SIENA */ diff --git a/drivers/net/sfc/base/siena_phy.c b/drivers/net/sfc/base/siena_phy.c new file mode 100644 index 0000000000..0e3fc34ac3 --- /dev/null +++ b/drivers/net/sfc/base/siena_phy.c @@ -0,0 +1,375 @@ +/* + * Copyright (c) 2009-2016 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 void +siena_phy_decode_cap( + __in uint32_t mcdi_cap, + __out uint32_t *maskp) +{ + uint32_t mask; + + mask = 0; + if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10HDX_LBN)) + mask |= (1 << EFX_PHY_CAP_10HDX); + if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10FDX_LBN)) + mask |= (1 << EFX_PHY_CAP_10FDX); + if (mcdi_cap & (1 << MC_CMD_PHY_CAP_100HDX_LBN)) + mask |= (1 << EFX_PHY_CAP_100HDX); + if (mcdi_cap & (1 << MC_CMD_PHY_CAP_100FDX_LBN)) + mask |= (1 << EFX_PHY_CAP_100FDX); + if (mcdi_cap & (1 << MC_CMD_PHY_CAP_1000HDX_LBN)) + mask |= (1 << EFX_PHY_CAP_1000HDX); + if (mcdi_cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN)) + mask |= (1 << EFX_PHY_CAP_1000FDX); + if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN)) + mask |= (1 << EFX_PHY_CAP_10000FDX); + if (mcdi_cap & (1 << MC_CMD_PHY_CAP_PAUSE_LBN)) + mask |= (1 << EFX_PHY_CAP_PAUSE); + if (mcdi_cap & (1 << MC_CMD_PHY_CAP_ASYM_LBN)) + mask |= (1 << EFX_PHY_CAP_ASYM); + if (mcdi_cap & (1 << MC_CMD_PHY_CAP_AN_LBN)) + mask |= (1 << EFX_PHY_CAP_AN); + + *maskp = mask; +} + +static void +siena_phy_decode_link_mode( + __in efx_nic_t *enp, + __in uint32_t link_flags, + __in unsigned int speed, + __in unsigned int fcntl, + __out efx_link_mode_t *link_modep, + __out unsigned int *fcntlp) +{ + boolean_t fd = !!(link_flags & + (1 << MC_CMD_GET_LINK_OUT_FULL_DUPLEX_LBN)); + boolean_t up = !!(link_flags & + (1 << MC_CMD_GET_LINK_OUT_LINK_UP_LBN)); + + _NOTE(ARGUNUSED(enp)) + + if (!up) + *link_modep = EFX_LINK_DOWN; + else if (speed == 10000 && fd) + *link_modep = EFX_LINK_10000FDX; + else if (speed == 1000) + *link_modep = fd ? EFX_LINK_1000FDX : EFX_LINK_1000HDX; + else if (speed == 100) + *link_modep = fd ? EFX_LINK_100FDX : EFX_LINK_100HDX; + else if (speed == 10) + *link_modep = fd ? EFX_LINK_10FDX : EFX_LINK_10HDX; + else + *link_modep = EFX_LINK_UNKNOWN; + + if (fcntl == MC_CMD_FCNTL_OFF) + *fcntlp = 0; + else if (fcntl == MC_CMD_FCNTL_RESPOND) + *fcntlp = EFX_FCNTL_RESPOND; + else if (fcntl == MC_CMD_FCNTL_BIDIR) + *fcntlp = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE; + else { + EFSYS_PROBE1(mc_pcol_error, int, fcntl); + *fcntlp = 0; + } +} + + void +siena_phy_link_ev( + __in efx_nic_t *enp, + __in efx_qword_t *eqp, + __out efx_link_mode_t *link_modep) +{ + efx_port_t *epp = &(enp->en_port); + unsigned int link_flags; + unsigned int speed; + unsigned int fcntl; + efx_link_mode_t link_mode; + uint32_t lp_cap_mask; + + /* + * Convert the LINKCHANGE speed enumeration into mbit/s, in the + * same way as GET_LINK encodes the speed + */ + switch (MCDI_EV_FIELD(eqp, LINKCHANGE_SPEED)) { + case MCDI_EVENT_LINKCHANGE_SPEED_100M: + speed = 100; + break; + case MCDI_EVENT_LINKCHANGE_SPEED_1G: + speed = 1000; + break; + case MCDI_EVENT_LINKCHANGE_SPEED_10G: + speed = 10000; + break; + default: + speed = 0; + break; + } + + link_flags = MCDI_EV_FIELD(eqp, LINKCHANGE_LINK_FLAGS); + siena_phy_decode_link_mode(enp, link_flags, speed, + MCDI_EV_FIELD(eqp, LINKCHANGE_FCNTL), + &link_mode, &fcntl); + siena_phy_decode_cap(MCDI_EV_FIELD(eqp, LINKCHANGE_LP_CAP), + &lp_cap_mask); + + /* + * It's safe to update ep_lp_cap_mask without the driver's port lock + * because presumably any concurrently running efx_port_poll() is + * only going to arrive at the same value. + * + * ep_fcntl has two meanings. It's either the link common fcntl + * (if the PHY supports AN), or it's the forced link state. If + * the former, it's safe to update the value for the same reason as + * for ep_lp_cap_mask. If the latter, then just ignore the value, + * because we can race with efx_mac_fcntl_set(). + */ + epp->ep_lp_cap_mask = lp_cap_mask; + if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN)) + epp->ep_fcntl = fcntl; + + *link_modep = link_mode; +} + + __checkReturn efx_rc_t +siena_phy_power( + __in efx_nic_t *enp, + __in boolean_t power) +{ + efx_rc_t rc; + + if (!power) + return (0); + + /* Check if the PHY is a zombie */ + if ((rc = siena_phy_verify(enp)) != 0) + goto fail1; + + enp->en_reset_flags |= EFX_RESET_PHY; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +siena_phy_get_link( + __in efx_nic_t *enp, + __out siena_link_state_t *slsp) +{ + efx_mcdi_req_t req; + uint8_t payload[MAX(MC_CMD_GET_LINK_IN_LEN, + MC_CMD_GET_LINK_OUT_LEN)]; + efx_rc_t rc; + + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_GET_LINK; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_GET_LINK_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_GET_LINK_OUT_LEN; + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + if (req.emr_out_length_used < MC_CMD_GET_LINK_OUT_LEN) { + rc = EMSGSIZE; + goto fail2; + } + + siena_phy_decode_cap(MCDI_OUT_DWORD(req, GET_LINK_OUT_CAP), + &slsp->sls_adv_cap_mask); + siena_phy_decode_cap(MCDI_OUT_DWORD(req, GET_LINK_OUT_LP_CAP), + &slsp->sls_lp_cap_mask); + + siena_phy_decode_link_mode(enp, MCDI_OUT_DWORD(req, GET_LINK_OUT_FLAGS), + MCDI_OUT_DWORD(req, GET_LINK_OUT_LINK_SPEED), + MCDI_OUT_DWORD(req, GET_LINK_OUT_FCNTL), + &slsp->sls_link_mode, &slsp->sls_fcntl); + + slsp->sls_mac_up = MCDI_OUT_DWORD(req, GET_LINK_OUT_MAC_FAULT) == 0; + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +siena_phy_reconfigure( + __in efx_nic_t *enp) +{ + efx_port_t *epp = &(enp->en_port); + efx_mcdi_req_t req; + uint8_t payload[MAX(MAX(MC_CMD_SET_ID_LED_IN_LEN, + MC_CMD_SET_ID_LED_OUT_LEN), + MAX(MC_CMD_SET_LINK_IN_LEN, + MC_CMD_SET_LINK_OUT_LEN))]; + uint32_t cap_mask; + unsigned int led_mode; + unsigned int speed; + efx_rc_t rc; + + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_SET_LINK; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_SET_LINK_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_SET_LINK_OUT_LEN; + + cap_mask = epp->ep_adv_cap_mask; + MCDI_IN_POPULATE_DWORD_10(req, SET_LINK_IN_CAP, + PHY_CAP_10HDX, (cap_mask >> EFX_PHY_CAP_10HDX) & 0x1, + PHY_CAP_10FDX, (cap_mask >> EFX_PHY_CAP_10FDX) & 0x1, + PHY_CAP_100HDX, (cap_mask >> EFX_PHY_CAP_100HDX) & 0x1, + PHY_CAP_100FDX, (cap_mask >> EFX_PHY_CAP_100FDX) & 0x1, + PHY_CAP_1000HDX, (cap_mask >> EFX_PHY_CAP_1000HDX) & 0x1, + PHY_CAP_1000FDX, (cap_mask >> EFX_PHY_CAP_1000FDX) & 0x1, + PHY_CAP_10000FDX, (cap_mask >> EFX_PHY_CAP_10000FDX) & 0x1, + PHY_CAP_PAUSE, (cap_mask >> EFX_PHY_CAP_PAUSE) & 0x1, + PHY_CAP_ASYM, (cap_mask >> EFX_PHY_CAP_ASYM) & 0x1, + PHY_CAP_AN, (cap_mask >> EFX_PHY_CAP_AN) & 0x1); + + MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_MODE, MC_CMD_LOOPBACK_NONE); + speed = 0; + MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_SPEED, speed); + + MCDI_IN_SET_DWORD(req, SET_LINK_IN_FLAGS, 0); + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + /* And set the blink mode */ + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_SET_ID_LED; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_SET_ID_LED_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_SET_ID_LED_OUT_LEN; + + MCDI_IN_SET_DWORD(req, SET_ID_LED_IN_STATE, MC_CMD_LED_DEFAULT); + + 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, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +siena_phy_verify( + __in efx_nic_t *enp) +{ + efx_mcdi_req_t req; + uint8_t payload[MAX(MC_CMD_GET_PHY_STATE_IN_LEN, + MC_CMD_GET_PHY_STATE_OUT_LEN)]; + uint32_t state; + efx_rc_t rc; + + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_GET_PHY_STATE; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_GET_PHY_STATE_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_GET_PHY_STATE_OUT_LEN; + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + if (req.emr_out_length_used < MC_CMD_GET_PHY_STATE_OUT_LEN) { + rc = EMSGSIZE; + goto fail2; + } + + state = MCDI_OUT_DWORD(req, GET_PHY_STATE_OUT_STATE); + if (state != MC_CMD_PHY_STATE_OK) { + if (state != MC_CMD_PHY_STATE_ZOMBIE) + EFSYS_PROBE1(mc_pcol_error, int, state); + rc = ENOTACTIVE; + goto fail3; + } + + return (0); + +fail3: + EFSYS_PROBE(fail3); +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +siena_phy_oui_get( + __in efx_nic_t *enp, + __out uint32_t *ouip) +{ + _NOTE(ARGUNUSED(enp, ouip)) + + return (ENOTSUP); +} + +#endif /* EFSYS_OPT_SIENA */ diff --git a/drivers/net/sfc/base/siena_sram.c b/drivers/net/sfc/base/siena_sram.c new file mode 100644 index 0000000000..411ef9d442 --- /dev/null +++ b/drivers/net/sfc/base/siena_sram.c @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2009-2016 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 + + void +siena_sram_init( + __in efx_nic_t *enp) +{ + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + efx_oword_t oword; + uint32_t rx_base, tx_base; + + EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); + EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA); + + rx_base = encp->enc_buftbl_limit; + tx_base = rx_base + (encp->enc_rxq_limit * + EFX_RXQ_DC_NDESCS(EFX_RXQ_DC_SIZE)); + + /* Initialize the transmit descriptor cache */ + EFX_POPULATE_OWORD_1(oword, FRF_AZ_SRM_TX_DC_BASE_ADR, tx_base); + EFX_BAR_WRITEO(enp, FR_AZ_SRM_TX_DC_CFG_REG, &oword); + + EFX_POPULATE_OWORD_1(oword, FRF_AZ_TX_DC_SIZE, EFX_TXQ_DC_SIZE); + EFX_BAR_WRITEO(enp, FR_AZ_TX_DC_CFG_REG, &oword); + + /* Initialize the receive descriptor cache */ + EFX_POPULATE_OWORD_1(oword, FRF_AZ_SRM_RX_DC_BASE_ADR, rx_base); + EFX_BAR_WRITEO(enp, FR_AZ_SRM_RX_DC_CFG_REG, &oword); + + EFX_POPULATE_OWORD_1(oword, FRF_AZ_RX_DC_SIZE, EFX_RXQ_DC_SIZE); + EFX_BAR_WRITEO(enp, FR_AZ_RX_DC_CFG_REG, &oword); + + /* Set receive descriptor pre-fetch low water mark */ + EFX_POPULATE_OWORD_1(oword, FRF_AZ_RX_DC_PF_LWM, 56); + EFX_BAR_WRITEO(enp, FR_AZ_RX_DC_PF_WM_REG, &oword); + + /* Set the event queue to use for SRAM updates */ + EFX_POPULATE_OWORD_1(oword, FRF_AZ_SRM_UPD_EVQ_ID, 0); + EFX_BAR_WRITEO(enp, FR_AZ_SRM_UPD_EVQ_REG, &oword); +} + +#endif /* EFSYS_OPT_SIENA */