Index: head/sys/dev/sfxge/common/ef10_ev.c =================================================================== --- head/sys/dev/sfxge/common/ef10_ev.c (revision 300604) +++ head/sys/dev/sfxge/common/ef10_ev.c (revision 300605) @@ -1,987 +1,992 @@ /*- * Copyright (c) 2012-2015 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 __FBSDID("$FreeBSD$"); #include "efx.h" #include "efx_impl.h" #if EFSYS_OPT_MON_STATS #include "mcdi_mon.h" #endif #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD #if EFSYS_OPT_QSTATS #define EFX_EV_QSTAT_INCR(_eep, _stat) \ do { \ (_eep)->ee_stat[_stat]++; \ _NOTE(CONSTANTCONDITION) \ } while (B_FALSE) #else #define EFX_EV_QSTAT_INCR(_eep, _stat) #endif static __checkReturn boolean_t ef10_ev_rx( __in efx_evq_t *eep, __in efx_qword_t *eqp, __in const efx_ev_callbacks_t *eecp, __in_opt void *arg); static __checkReturn boolean_t ef10_ev_tx( __in efx_evq_t *eep, __in efx_qword_t *eqp, __in const efx_ev_callbacks_t *eecp, __in_opt void *arg); static __checkReturn boolean_t ef10_ev_driver( __in efx_evq_t *eep, __in efx_qword_t *eqp, __in const efx_ev_callbacks_t *eecp, __in_opt void *arg); static __checkReturn boolean_t ef10_ev_drv_gen( __in efx_evq_t *eep, __in efx_qword_t *eqp, __in const efx_ev_callbacks_t *eecp, __in_opt void *arg); static __checkReturn boolean_t ef10_ev_mcdi( __in efx_evq_t *eep, __in efx_qword_t *eqp, __in const efx_ev_callbacks_t *eecp, __in_opt void *arg); static __checkReturn efx_rc_t efx_mcdi_init_evq( __in efx_nic_t *enp, __in unsigned int instance, __in efsys_mem_t *esmp, __in size_t nevs, __in uint32_t irq) { efx_mcdi_req_t req; uint8_t payload[ MAX(MC_CMD_INIT_EVQ_IN_LEN(EFX_EVQ_NBUFS(EFX_EVQ_MAXNEVS)), MC_CMD_INIT_EVQ_OUT_LEN)]; efx_qword_t *dma_addr; uint64_t addr; int npages; int i; int supports_rx_batching; efx_rc_t rc; npages = EFX_EVQ_NBUFS(nevs); if (MC_CMD_INIT_EVQ_IN_LEN(npages) > MC_CMD_INIT_EVQ_IN_LENMAX) { rc = EINVAL; goto fail1; } (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_INIT_EVQ; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_INIT_EVQ_IN_LEN(npages); req.emr_out_buf = payload; req.emr_out_length = MC_CMD_INIT_EVQ_OUT_LEN; MCDI_IN_SET_DWORD(req, INIT_EVQ_IN_SIZE, nevs); MCDI_IN_SET_DWORD(req, INIT_EVQ_IN_INSTANCE, instance); MCDI_IN_SET_DWORD(req, INIT_EVQ_IN_IRQ_NUM, irq); /* * On Huntington RX and TX event batching can only be requested * together (even if the datapath firmware doesn't actually support RX * batching). * Cut through is incompatible with RX batching and so enabling cut * through disables RX batching (but it does not affect TX batching). * * So always enable RX and TX event batching, and enable cut through * if RX event batching isn't supported (i.e. on low latency firmware). */ supports_rx_batching = enp->en_nic_cfg.enc_rx_batching_enabled ? 1 : 0; MCDI_IN_POPULATE_DWORD_6(req, INIT_EVQ_IN_FLAGS, INIT_EVQ_IN_FLAG_INTERRUPTING, 1, INIT_EVQ_IN_FLAG_RPTR_DOS, 0, INIT_EVQ_IN_FLAG_INT_ARMD, 0, INIT_EVQ_IN_FLAG_CUT_THRU, !supports_rx_batching, INIT_EVQ_IN_FLAG_RX_MERGE, 1, INIT_EVQ_IN_FLAG_TX_MERGE, 1); MCDI_IN_SET_DWORD(req, INIT_EVQ_IN_TMR_MODE, MC_CMD_INIT_EVQ_IN_TMR_MODE_DIS); MCDI_IN_SET_DWORD(req, INIT_EVQ_IN_TMR_LOAD, 0); MCDI_IN_SET_DWORD(req, INIT_EVQ_IN_TMR_RELOAD, 0); MCDI_IN_SET_DWORD(req, INIT_EVQ_IN_COUNT_MODE, MC_CMD_INIT_EVQ_IN_COUNT_MODE_DIS); MCDI_IN_SET_DWORD(req, INIT_EVQ_IN_COUNT_THRSHLD, 0); dma_addr = MCDI_IN2(req, efx_qword_t, INIT_EVQ_IN_DMA_ADDR); addr = EFSYS_MEM_ADDR(esmp); for (i = 0; i < npages; i++) { EFX_POPULATE_QWORD_2(*dma_addr, EFX_DWORD_1, (uint32_t)(addr >> 32), EFX_DWORD_0, (uint32_t)(addr & 0xffffffff)); dma_addr++; addr += EFX_BUF_SIZE; } efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail2; } if (req.emr_out_length_used < MC_CMD_INIT_EVQ_OUT_LEN) { rc = EMSGSIZE; goto fail3; } /* NOTE: ignore the returned IRQ param as firmware does not set it. */ return (0); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } static __checkReturn efx_rc_t efx_mcdi_fini_evq( __in efx_nic_t *enp, __in uint32_t instance) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_FINI_EVQ_IN_LEN, MC_CMD_FINI_EVQ_OUT_LEN)]; efx_rc_t rc; (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_FINI_EVQ; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_FINI_EVQ_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_FINI_EVQ_OUT_LEN; MCDI_IN_SET_DWORD(req, FINI_EVQ_IN_INSTANCE, instance); efx_mcdi_execute_quiet(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn efx_rc_t ef10_ev_init( __in efx_nic_t *enp) { _NOTE(ARGUNUSED(enp)) return (0); } void ef10_ev_fini( __in efx_nic_t *enp) { _NOTE(ARGUNUSED(enp)) } __checkReturn efx_rc_t ef10_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 efx_evq_t *eep) { efx_nic_cfg_t *encp = &(enp->en_nic_cfg); uint32_t irq; efx_rc_t rc; _NOTE(ARGUNUSED(id)) /* buftbl id managed by MC */ 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; } /* Set up the handler table */ eep->ee_rx = ef10_ev_rx; eep->ee_tx = ef10_ev_tx; eep->ee_driver = ef10_ev_driver; eep->ee_drv_gen = ef10_ev_drv_gen; eep->ee_mcdi = ef10_ev_mcdi; /* Set up the event queue */ irq = index; /* INIT_EVQ expects function-relative vector number */ + + /* + * Interrupts may be raised for events immediately after the queue is + * created. See bug58606. + */ if ((rc = efx_mcdi_init_evq(enp, index, esmp, n, irq)) != 0) goto fail3; return (0); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } void ef10_ev_qdestroy( __in efx_evq_t *eep) { efx_nic_t *enp = eep->ee_enp; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || enp->en_family == EFX_FAMILY_MEDFORD); (void) efx_mcdi_fini_evq(eep->ee_enp, eep->ee_index); } __checkReturn efx_rc_t ef10_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; if (enp->en_nic_cfg.enc_bug35388_workaround) { EFX_STATIC_ASSERT(EFX_EVQ_MINNEVS > (1 << ERF_DD_EVQ_IND_RPTR_WIDTH)); EFX_STATIC_ASSERT(EFX_EVQ_MAXNEVS < (1 << 2 * ERF_DD_EVQ_IND_RPTR_WIDTH)); EFX_POPULATE_DWORD_2(dword, ERF_DD_EVQ_IND_RPTR_FLAGS, EFE_DD_EVQ_IND_RPTR_FLAGS_HIGH, ERF_DD_EVQ_IND_RPTR, (rptr >> ERF_DD_EVQ_IND_RPTR_WIDTH)); EFX_BAR_TBL_WRITED(enp, ER_DD_EVQ_INDIRECT, eep->ee_index, &dword, B_FALSE); EFX_POPULATE_DWORD_2(dword, ERF_DD_EVQ_IND_RPTR_FLAGS, EFE_DD_EVQ_IND_RPTR_FLAGS_LOW, ERF_DD_EVQ_IND_RPTR, rptr & ((1 << ERF_DD_EVQ_IND_RPTR_WIDTH) - 1)); EFX_BAR_TBL_WRITED(enp, ER_DD_EVQ_INDIRECT, eep->ee_index, &dword, B_FALSE); } else { EFX_POPULATE_DWORD_1(dword, ERF_DZ_EVQ_RPTR, rptr); EFX_BAR_TBL_WRITED(enp, ER_DZ_EVQ_RPTR_REG, eep->ee_index, &dword, B_FALSE); } return (0); } static __checkReturn efx_rc_t efx_mcdi_driver_event( __in efx_nic_t *enp, __in uint32_t evq, __in efx_qword_t data) { efx_mcdi_req_t req; uint8_t payload[MAX(MC_CMD_DRIVER_EVENT_IN_LEN, MC_CMD_DRIVER_EVENT_OUT_LEN)]; efx_rc_t rc; req.emr_cmd = MC_CMD_DRIVER_EVENT; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_DRIVER_EVENT_IN_LEN; req.emr_out_buf = payload; req.emr_out_length = MC_CMD_DRIVER_EVENT_OUT_LEN; MCDI_IN_SET_DWORD(req, DRIVER_EVENT_IN_EVQ, evq); MCDI_IN_SET_DWORD(req, DRIVER_EVENT_IN_DATA_LO, EFX_QWORD_FIELD(data, EFX_DWORD_0)); MCDI_IN_SET_DWORD(req, DRIVER_EVENT_IN_DATA_HI, EFX_QWORD_FIELD(data, EFX_DWORD_1)); efx_mcdi_execute(enp, &req); if (req.emr_rc != 0) { rc = req.emr_rc; goto fail1; } return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } void ef10_ev_qpost( __in efx_evq_t *eep, __in uint16_t data) { efx_nic_t *enp = eep->ee_enp; efx_qword_t event; EFX_POPULATE_QWORD_3(event, ESF_DZ_DRV_CODE, ESE_DZ_EV_CODE_DRV_GEN_EV, ESF_DZ_DRV_SUB_CODE, 0, ESF_DZ_DRV_SUB_DATA_DW0, (uint32_t)data); (void) efx_mcdi_driver_event(enp, eep->ee_index, event); } __checkReturn efx_rc_t ef10_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); efx_dword_t dword; uint32_t timer_val, mode; 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) { timer_val = 0; mode = FFE_CZ_TIMER_MODE_DIS; } else { /* Calculate the timer value in quanta */ timer_val = us * 1000 / encp->enc_evq_timer_quantum_ns; /* Moderation value is base 0 so we need to deduct 1 */ if (timer_val > 0) timer_val--; mode = FFE_CZ_TIMER_MODE_INT_HLDOFF; } if (encp->enc_bug35388_workaround) { EFX_POPULATE_DWORD_3(dword, ERF_DD_EVQ_IND_TIMER_FLAGS, EFE_DD_EVQ_IND_TIMER_FLAGS, ERF_DD_EVQ_IND_TIMER_MODE, mode, ERF_DD_EVQ_IND_TIMER_VAL, timer_val); EFX_BAR_TBL_WRITED(enp, ER_DD_EVQ_INDIRECT, eep->ee_index, &dword, 0); } else { EFX_POPULATE_DWORD_2(dword, ERF_DZ_TC_TIMER_MODE, mode, ERF_DZ_TC_TIMER_VAL, timer_val); EFX_BAR_TBL_WRITED(enp, ER_DZ_EVQ_TMR_REG, eep->ee_index, &dword, 0); } return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #if EFSYS_OPT_QSTATS void ef10_ev_qstats_update( __in efx_evq_t *eep, __inout_ecount(EV_NQSTATS) efsys_stat_t *stat) { unsigned int id; for (id = 0; id < EV_NQSTATS; id++) { efsys_stat_t *essp = &stat[id]; EFSYS_STAT_INCR(essp, eep->ee_stat[id]); eep->ee_stat[id] = 0; } } #endif /* EFSYS_OPT_QSTATS */ static __checkReturn boolean_t ef10_ev_rx( __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; uint32_t size; uint32_t label; uint32_t mac_class; uint32_t eth_tag_class; uint32_t l3_class; uint32_t l4_class; uint32_t next_read_lbits; uint16_t flags; boolean_t cont; boolean_t should_abort; efx_evq_rxq_state_t *eersp; unsigned int desc_count; unsigned int last_used_id; EFX_EV_QSTAT_INCR(eep, EV_RX); /* Discard events after RXQ/TXQ errors */ if (enp->en_reset_flags & (EFX_RESET_RXQ_ERR | EFX_RESET_TXQ_ERR)) return (B_FALSE); /* Basic packet information */ size = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_BYTES); next_read_lbits = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_DSC_PTR_LBITS); label = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_QLABEL); eth_tag_class = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_ETH_TAG_CLASS); mac_class = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_MAC_CLASS); l3_class = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_L3_CLASS); l4_class = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_L4_CLASS); cont = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_CONT); if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_DROP_EVENT) != 0) { /* Drop this event */ return (B_FALSE); } flags = 0; if (cont != 0) { /* * This may be part of a scattered frame, or it may be a * truncated frame if scatter is disabled on this RXQ. * Overlength frames can be received if e.g. a VF is configured * for 1500 MTU but connected to a port set to 9000 MTU * (see bug56567). * FIXME: There is not yet any driver that supports scatter on * Huntington. Scatter support is required for OSX. */ flags |= EFX_PKT_CONT; } if (mac_class == ESE_DZ_MAC_CLASS_UCAST) flags |= EFX_PKT_UNICAST; /* Increment the count of descriptors read */ eersp = &eep->ee_rxq_state[label]; desc_count = (next_read_lbits - eersp->eers_rx_read_ptr) & EFX_MASK32(ESF_DZ_RX_DSC_PTR_LBITS); eersp->eers_rx_read_ptr += desc_count; /* * FIXME: add error checking to make sure this a batched event. * This could also be an aborted scatter, see Bug36629. */ if (desc_count > 1) { EFX_EV_QSTAT_INCR(eep, EV_RX_BATCH); flags |= EFX_PKT_PREFIX_LEN; } /* Calculate the index of the last descriptor consumed */ last_used_id = (eersp->eers_rx_read_ptr - 1) & eersp->eers_rx_mask; /* Check for errors that invalidate checksum and L3/L4 fields */ if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_ECC_ERR) != 0) { /* RX frame truncated (error flag is misnamed) */ EFX_EV_QSTAT_INCR(eep, EV_RX_FRM_TRUNC); flags |= EFX_DISCARD; goto deliver; } if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_ECRC_ERR) != 0) { /* Bad Ethernet frame CRC */ EFX_EV_QSTAT_INCR(eep, EV_RX_ETH_CRC_ERR); flags |= EFX_DISCARD; goto deliver; } if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_PARSE_INCOMPLETE)) { /* * Hardware parse failed, due to malformed headers * or headers that are too long for the parser. * Headers and checksums must be validated by the host. */ // TODO: EFX_EV_QSTAT_INCR(eep, EV_RX_PARSE_INCOMPLETE); goto deliver; } if ((eth_tag_class == ESE_DZ_ETH_TAG_CLASS_VLAN1) || (eth_tag_class == ESE_DZ_ETH_TAG_CLASS_VLAN2)) { flags |= EFX_PKT_VLAN_TAGGED; } switch (l3_class) { case ESE_DZ_L3_CLASS_IP4: case ESE_DZ_L3_CLASS_IP4_FRAG: flags |= EFX_PKT_IPV4; if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_IPCKSUM_ERR)) { EFX_EV_QSTAT_INCR(eep, EV_RX_IPV4_HDR_CHKSUM_ERR); } else { flags |= EFX_CKSUM_IPV4; } if (l4_class == ESE_DZ_L4_CLASS_TCP) { EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV4); flags |= EFX_PKT_TCP; } else if (l4_class == ESE_DZ_L4_CLASS_UDP) { EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV4); flags |= EFX_PKT_UDP; } else { EFX_EV_QSTAT_INCR(eep, EV_RX_OTHER_IPV4); } break; case ESE_DZ_L3_CLASS_IP6: case ESE_DZ_L3_CLASS_IP6_FRAG: flags |= EFX_PKT_IPV6; if (l4_class == ESE_DZ_L4_CLASS_TCP) { EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV6); flags |= EFX_PKT_TCP; } else if (l4_class == ESE_DZ_L4_CLASS_UDP) { EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV6); flags |= EFX_PKT_UDP; } else { EFX_EV_QSTAT_INCR(eep, EV_RX_OTHER_IPV6); } break; default: EFX_EV_QSTAT_INCR(eep, EV_RX_NON_IP); break; } if (flags & (EFX_PKT_TCP | EFX_PKT_UDP)) { if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_TCPUDP_CKSUM_ERR)) { EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_UDP_CHKSUM_ERR); } else { flags |= EFX_CKSUM_TCPUDP; } } deliver: /* If we're not discarding the packet then it is ok */ if (~flags & EFX_DISCARD) EFX_EV_QSTAT_INCR(eep, EV_RX_OK); EFSYS_ASSERT(eecp->eec_rx != NULL); should_abort = eecp->eec_rx(arg, label, last_used_id, size, flags); return (should_abort); } static __checkReturn boolean_t ef10_ev_tx( __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; uint32_t id; uint32_t label; boolean_t should_abort; EFX_EV_QSTAT_INCR(eep, EV_TX); /* Discard events after RXQ/TXQ errors */ if (enp->en_reset_flags & (EFX_RESET_RXQ_ERR | EFX_RESET_TXQ_ERR)) return (B_FALSE); if (EFX_QWORD_FIELD(*eqp, ESF_DZ_TX_DROP_EVENT) != 0) { /* Drop this event */ return (B_FALSE); } /* Per-packet TX completion (was per-descriptor for Falcon/Siena) */ id = EFX_QWORD_FIELD(*eqp, ESF_DZ_TX_DESCR_INDX); label = EFX_QWORD_FIELD(*eqp, ESF_DZ_TX_QLABEL); 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); } static __checkReturn boolean_t ef10_ev_driver( __in efx_evq_t *eep, __in efx_qword_t *eqp, __in const efx_ev_callbacks_t *eecp, __in_opt void *arg) { unsigned int code; boolean_t should_abort; EFX_EV_QSTAT_INCR(eep, EV_DRIVER); should_abort = B_FALSE; code = EFX_QWORD_FIELD(*eqp, ESF_DZ_DRV_SUB_CODE); switch (code) { case ESE_DZ_DRV_TIMER_EV: { uint32_t id; id = EFX_QWORD_FIELD(*eqp, ESF_DZ_DRV_TMR_ID); EFSYS_ASSERT(eecp->eec_timer != NULL); should_abort = eecp->eec_timer(arg, id); break; } case ESE_DZ_DRV_WAKE_UP_EV: { uint32_t id; id = EFX_QWORD_FIELD(*eqp, ESF_DZ_DRV_EVQ_ID); EFSYS_ASSERT(eecp->eec_wake_up != NULL); should_abort = eecp->eec_wake_up(arg, id); break; } case ESE_DZ_DRV_START_UP_EV: EFSYS_ASSERT(eecp->eec_initialized != NULL); should_abort = eecp->eec_initialized(arg); break; default: 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)); break; } return (should_abort); } static __checkReturn boolean_t ef10_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); should_abort = B_FALSE; data = EFX_QWORD_FIELD(*eqp, ESF_DZ_DRV_SUB_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); } static __checkReturn boolean_t ef10_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 code; boolean_t should_abort = B_FALSE; 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; #if EFSYS_OPT_MCDI_PROXY_AUTH case MCDI_EVENT_CODE_PROXY_RESPONSE: /* * This event notifies a function that an authorization request * has been processed. If the request was authorized then the * function can now re-send the original MCDI request. * See SF-113652-SW "SR-IOV Proxied Network Access Control". */ efx_mcdi_ev_proxy_response(enp, MCDI_EV_FIELD(eqp, PROXY_RESPONSE_HANDLE), MCDI_EV_FIELD(eqp, PROXY_RESPONSE_RC)); break; #endif /* EFSYS_OPT_MCDI_PROXY_AUTH */ case MCDI_EVENT_CODE_LINKCHANGE: { efx_link_mode_t link_mode; ef10_phy_link_ev(enp, eqp, &link_mode); should_abort = eecp->eec_link_change(arg, link_mode); break; } case MCDI_EVENT_CODE_SENSOREVT: { #if EFSYS_OPT_MON_STATS efx_mon_stat_t id; efx_mon_stat_value_t value; efx_rc_t rc; /* Decode monitor stat for MCDI sensor (if supported) */ if ((rc = mcdi_mon_ev(enp, eqp, &id, &value)) == 0) { /* Report monitor stat change */ should_abort = eecp->eec_monitor(arg, id, value); } else if (rc == ENOTSUP) { should_abort = eecp->eec_exception(arg, EFX_EXCEPTION_UNKNOWN_SENSOREVT, MCDI_EV_FIELD(eqp, DATA)); } else { EFSYS_ASSERT(rc == ENODEV); /* Wrong port */ } #endif break; } case MCDI_EVENT_CODE_SCHEDERR: /* Informational only */ break; case MCDI_EVENT_CODE_REBOOT: /* Falcon/Siena only (should not been seen with Huntington). */ efx_mcdi_ev_death(enp, EIO); break; case MCDI_EVENT_CODE_MC_REBOOT: /* MC_REBOOT event is used for Huntington (EF10) and later. */ efx_mcdi_ev_death(enp, EIO); break; case MCDI_EVENT_CODE_MAC_STATS_DMA: #if EFSYS_OPT_MAC_STATS if (eecp->eec_mac_stats != NULL) { eecp->eec_mac_stats(arg, MCDI_EV_FIELD(eqp, MAC_STATS_DMA_GENERATION)); } #endif 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; } case MCDI_EVENT_CODE_TX_ERR: { /* * After a TXQ error is detected, firmware sends a TX_ERR event. * This may be followed by TX completions (which we discard), * and then finally by a TX_FLUSH event. Firmware destroys the * TXQ automatically after sending the TX_FLUSH event. */ enp->en_reset_flags |= EFX_RESET_TXQ_ERR; EFSYS_PROBE2(tx_descq_err, uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_1), uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_0)); /* Inform the driver that a reset is required. */ eecp->eec_exception(arg, EFX_EXCEPTION_TX_ERROR, MCDI_EV_FIELD(eqp, TX_ERR_DATA)); break; } case MCDI_EVENT_CODE_TX_FLUSH: { uint32_t txq_index = MCDI_EV_FIELD(eqp, TX_FLUSH_TXQ); /* * EF10 firmware sends two TX_FLUSH events: one to the txq's * event queue, and one to evq 0 (with TX_FLUSH_TO_DRIVER set). * We want to wait for all completions, so ignore the events * with TX_FLUSH_TO_DRIVER. */ if (MCDI_EV_FIELD(eqp, TX_FLUSH_TO_DRIVER) != 0) { should_abort = B_FALSE; break; } EFX_EV_QSTAT_INCR(eep, EV_DRIVER_TX_DESCQ_FLS_DONE); 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 MCDI_EVENT_CODE_RX_ERR: { /* * After an RXQ error is detected, firmware sends an RX_ERR * event. This may be followed by RX events (which we discard), * and then finally by an RX_FLUSH event. Firmware destroys the * RXQ automatically after sending the RX_FLUSH event. */ enp->en_reset_flags |= EFX_RESET_RXQ_ERR; EFSYS_PROBE2(rx_descq_err, uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_1), uint32_t, EFX_QWORD_FIELD(*eqp, EFX_DWORD_0)); /* Inform the driver that a reset is required. */ eecp->eec_exception(arg, EFX_EXCEPTION_RX_ERROR, MCDI_EV_FIELD(eqp, RX_ERR_DATA)); break; } case MCDI_EVENT_CODE_RX_FLUSH: { uint32_t rxq_index = MCDI_EV_FIELD(eqp, RX_FLUSH_RXQ); /* * EF10 firmware sends two RX_FLUSH events: one to the rxq's * event queue, and one to evq 0 (with RX_FLUSH_TO_DRIVER set). * We want to wait for all completions, so ignore the events * with RX_FLUSH_TO_DRIVER. */ if (MCDI_EV_FIELD(eqp, RX_FLUSH_TO_DRIVER) != 0) { should_abort = B_FALSE; break; } EFX_EV_QSTAT_INCR(eep, EV_DRIVER_RX_DESCQ_FLS_DONE); EFSYS_PROBE1(rx_descq_fls_done, uint32_t, rxq_index); EFSYS_ASSERT(eecp->eec_rxq_flush_done != NULL); should_abort = eecp->eec_rxq_flush_done(arg, rxq_index); break; } default: 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)); break; } return (should_abort); } void ef10_ev_rxlabel_init( __in efx_evq_t *eep, __in efx_rxq_t *erp, __in unsigned int label) { efx_evq_rxq_state_t *eersp; EFSYS_ASSERT3U(label, <, EFX_ARRAY_SIZE(eep->ee_rxq_state)); eersp = &eep->ee_rxq_state[label]; EFSYS_ASSERT3U(eersp->eers_rx_mask, ==, 0); eersp->eers_rx_read_ptr = 0; eersp->eers_rx_mask = erp->er_mask; } void ef10_ev_rxlabel_fini( __in efx_evq_t *eep, __in unsigned int label) { efx_evq_rxq_state_t *eersp; EFSYS_ASSERT3U(label, <, EFX_ARRAY_SIZE(eep->ee_rxq_state)); eersp = &eep->ee_rxq_state[label]; EFSYS_ASSERT3U(eersp->eers_rx_mask, !=, 0); eersp->eers_rx_read_ptr = 0; eersp->eers_rx_mask = 0; } #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ Index: head/sys/dev/sfxge/common/efx_ev.c =================================================================== --- head/sys/dev/sfxge/common/efx_ev.c (revision 300604) +++ head/sys/dev/sfxge/common/efx_ev.c (revision 300605) @@ -1,1420 +1,1431 @@ /*- * Copyright (c) 2007-2015 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 __FBSDID("$FreeBSD$"); #include "efx.h" #include "efx_impl.h" #if EFSYS_OPT_MON_MCDI #include "mcdi_mon.h" #endif #if EFSYS_OPT_QSTATS #define EFX_EV_QSTAT_INCR(_eep, _stat) \ do { \ (_eep)->ee_stat[_stat]++; \ _NOTE(CONSTANTCONDITION) \ } while (B_FALSE) #else #define EFX_EV_QSTAT_INCR(_eep, _stat) #endif #define EFX_EV_PRESENT(_qword) \ (EFX_QWORD_FIELD((_qword), EFX_DWORD_0) != 0xffffffff && \ EFX_QWORD_FIELD((_qword), EFX_DWORD_1) != 0xffffffff) #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 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_qpoll( __in efx_evq_t *eep, __inout unsigned int *countp, __in const efx_ev_callbacks_t *eecp, __in_opt void *arg); 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); #if EFSYS_OPT_QSTATS static void siena_ev_qstats_update( __in efx_evq_t *eep, __inout_ecount(EV_NQSTATS) efsys_stat_t *stat); #endif #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 */ #if EFSYS_OPT_QSTATS siena_ev_qstats_update, /* eevo_qstats_update */ #endif }; #endif /* EFSYS_OPT_SIENA */ #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD static const efx_ev_ops_t __efx_ev_ef10_ops = { ef10_ev_init, /* eevo_init */ ef10_ev_fini, /* eevo_fini */ ef10_ev_qcreate, /* eevo_qcreate */ ef10_ev_qdestroy, /* eevo_qdestroy */ ef10_ev_qprime, /* eevo_qprime */ ef10_ev_qpost, /* eevo_qpost */ ef10_ev_qmoderate, /* eevo_qmoderate */ #if EFSYS_OPT_QSTATS ef10_ev_qstats_update, /* eevo_qstats_update */ #endif }; #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ __checkReturn efx_rc_t efx_ev_init( __in efx_nic_t *enp) { const efx_ev_ops_t *eevop; efx_rc_t rc; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_INTR); if (enp->en_mod_flags & EFX_MOD_EV) { rc = EINVAL; goto fail1; } switch (enp->en_family) { #if EFSYS_OPT_SIENA case EFX_FAMILY_SIENA: eevop = &__efx_ev_siena_ops; break; #endif /* EFSYS_OPT_SIENA */ #if EFSYS_OPT_HUNTINGTON case EFX_FAMILY_HUNTINGTON: eevop = &__efx_ev_ef10_ops; break; #endif /* EFSYS_OPT_HUNTINGTON */ #if EFSYS_OPT_MEDFORD case EFX_FAMILY_MEDFORD: eevop = &__efx_ev_ef10_ops; break; #endif /* EFSYS_OPT_MEDFORD */ default: EFSYS_ASSERT(0); rc = ENOTSUP; goto fail1; } EFSYS_ASSERT3U(enp->en_ev_qcount, ==, 0); if ((rc = eevop->eevo_init(enp)) != 0) goto fail2; enp->en_eevop = eevop; enp->en_mod_flags |= EFX_MOD_EV; return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); enp->en_eevop = NULL; enp->en_mod_flags &= ~EFX_MOD_EV; return (rc); } void efx_ev_fini( __in efx_nic_t *enp) { const efx_ev_ops_t *eevop = enp->en_eevop; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_INTR); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_EV); EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_RX)); EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_TX)); EFSYS_ASSERT3U(enp->en_ev_qcount, ==, 0); eevop->eevo_fini(enp); enp->en_eevop = NULL; enp->en_mod_flags &= ~EFX_MOD_EV; } __checkReturn efx_rc_t efx_ev_qcreate( __in efx_nic_t *enp, __in unsigned int index, __in efsys_mem_t *esmp, __in size_t n, __in uint32_t id, __deref_out efx_evq_t **eepp) { const efx_ev_ops_t *eevop = enp->en_eevop; efx_nic_cfg_t *encp = &(enp->en_nic_cfg); efx_evq_t *eep; efx_rc_t rc; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_EV); EFSYS_ASSERT3U(enp->en_ev_qcount + 1, <, encp->enc_evq_limit); /* Allocate an EVQ object */ EFSYS_KMEM_ALLOC(enp->en_esip, sizeof (efx_evq_t), eep); if (eep == NULL) { rc = ENOMEM; goto fail1; } eep->ee_magic = EFX_EVQ_MAGIC; eep->ee_enp = enp; eep->ee_index = index; eep->ee_mask = n - 1; eep->ee_esmp = esmp; - if ((rc = eevop->eevo_qcreate(enp, index, esmp, n, id, eep)) != 0) - goto fail2; - + /* + * Set outputs before the queue is created because interrupts may be + * raised for events immediately after the queue is created, before the + * function call below returns. See bug58606. + * + * The eepp pointer passed in by the client must therefore point to data + * shared with the client's event processing context. + */ enp->en_ev_qcount++; *eepp = eep; + if ((rc = eevop->eevo_qcreate(enp, index, esmp, n, id, eep)) != 0) + goto fail2; + return (0); fail2: EFSYS_PROBE(fail2); + + *eepp = NULL; + enp->en_ev_qcount--; EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } void efx_ev_qdestroy( __in efx_evq_t *eep) { efx_nic_t *enp = eep->ee_enp; const efx_ev_ops_t *eevop = enp->en_eevop; EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); EFSYS_ASSERT(enp->en_ev_qcount != 0); --enp->en_ev_qcount; eevop->eevo_qdestroy(eep); /* Free the EVQ object */ EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep); } __checkReturn efx_rc_t efx_ev_qprime( __in efx_evq_t *eep, __in unsigned int count) { efx_nic_t *enp = eep->ee_enp; const efx_ev_ops_t *eevop = enp->en_eevop; efx_rc_t rc; EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); if (!(enp->en_mod_flags & EFX_MOD_INTR)) { rc = EINVAL; goto fail1; } if ((rc = eevop->eevo_qprime(eep, count)) != 0) goto fail2; return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } __checkReturn boolean_t efx_ev_qpending( __in efx_evq_t *eep, __in unsigned int count) { size_t offset; efx_qword_t qword; EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); offset = (count & eep->ee_mask) * sizeof (efx_qword_t); EFSYS_MEM_READQ(eep->ee_esmp, offset, &qword); return (EFX_EV_PRESENT(qword)); } #if EFSYS_OPT_EV_PREFETCH void efx_ev_qprefetch( __in efx_evq_t *eep, __in unsigned int count) { efx_nic_t *enp = eep->ee_enp; unsigned int offset; EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); offset = (count & eep->ee_mask) * sizeof (efx_qword_t); EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); } #endif /* EFSYS_OPT_EV_PREFETCH */ void efx_ev_qpoll( __in efx_evq_t *eep, __inout unsigned int *countp, __in const efx_ev_callbacks_t *eecp, __in_opt void *arg) { EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); /* * FIXME: Huntington will require support for hardware event batching * and merging, which will need a different ev_qpoll implementation. * * Without those features the Falcon/Siena code can be used unchanged. */ EFX_STATIC_ASSERT(ESF_DZ_EV_CODE_LBN == FSF_AZ_EV_CODE_LBN); EFX_STATIC_ASSERT(ESF_DZ_EV_CODE_WIDTH == FSF_AZ_EV_CODE_WIDTH); EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_RX_EV == FSE_AZ_EV_CODE_RX_EV); EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_TX_EV == FSE_AZ_EV_CODE_TX_EV); EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_DRIVER_EV == FSE_AZ_EV_CODE_DRIVER_EV); EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_DRV_GEN_EV == FSE_AZ_EV_CODE_DRV_GEN_EV); #if EFSYS_OPT_MCDI EFX_STATIC_ASSERT(ESE_DZ_EV_CODE_MCDI_EV == FSE_AZ_EV_CODE_MCDI_EVRESPONSE); #endif siena_ev_qpoll(eep, countp, eecp, arg); } void efx_ev_qpost( __in efx_evq_t *eep, __in uint16_t data) { efx_nic_t *enp = eep->ee_enp; const efx_ev_ops_t *eevop = enp->en_eevop; EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); EFSYS_ASSERT(eevop != NULL && eevop->eevo_qpost != NULL); eevop->eevo_qpost(eep, data); } __checkReturn efx_rc_t efx_ev_qmoderate( __in efx_evq_t *eep, __in unsigned int us) { efx_nic_t *enp = eep->ee_enp; const efx_ev_ops_t *eevop = enp->en_eevop; efx_rc_t rc; EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); if ((rc = eevop->eevo_qmoderate(eep, us)) != 0) goto fail1; return (0); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #if EFSYS_OPT_QSTATS void efx_ev_qstats_update( __in efx_evq_t *eep, __inout_ecount(EV_NQSTATS) efsys_stat_t *stat) { efx_nic_t *enp = eep->ee_enp; const efx_ev_ops_t *eevop = enp->en_eevop; EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); eevop->eevo_qstats_update(eep, stat); } #endif /* EFSYS_OPT_QSTATS */ #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 EFSYS_OPT_RX_SCATTER /* * Lookout for payload queue ran dry errors and ignore them. * * Sadly for the header/data split cases, the descriptor * pointer in this event refers to the header queue and * therefore cannot be easily detected as duplicate. * So we drop these and rely on the receive processing seeing * a subsequent packet with FSF_AZ_RX_EV_SOP set to discard * the partially received packet. */ if ((EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_SOP) == 0) && (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_JUMBO_CONT) == 0) && (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_BYTE_CNT) == 0)) ignore = B_TRUE; #endif /* EFSYS_OPT_RX_SCATTER */ } 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; #if EFSYS_OPT_RX_SCATTER boolean_t sop; boolean_t jumbo_cont; #endif /* EFSYS_OPT_RX_SCATTER */ 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); #if EFSYS_OPT_RX_SCATTER sop = (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_SOP) != 0); jumbo_cont = (EFX_QWORD_FIELD(*eqp, FSF_AZ_RX_EV_JUMBO_CONT) != 0); #endif /* EFSYS_OPT_RX_SCATTER */ 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; } #if EFSYS_OPT_RX_SCATTER /* Report scatter and header/lookahead split buffer flags */ if (sop) flags |= EFX_PKT_START; if (jumbo_cont) flags |= EFX_PKT_CONT; #endif /* EFSYS_OPT_RX_SCATTER */ /* 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 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); #if EFSYS_OPT_MON_STATS EFSYS_ASSERT(eecp->eec_monitor != NULL); #endif 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: { #if EFSYS_OPT_MON_STATS efx_mon_stat_t id; efx_mon_stat_value_t value; efx_rc_t rc; if ((rc = mcdi_mon_ev(enp, eqp, &id, &value)) == 0) should_abort = eecp->eec_monitor(arg, id, value); else if (rc == ENOTSUP) { should_abort = eecp->eec_exception(arg, EFX_EXCEPTION_UNKNOWN_SENSOREVT, MCDI_EV_FIELD(eqp, DATA)); } else EFSYS_ASSERT(rc == ENODEV); /* Wrong port */ #else should_abort = B_FALSE; #endif 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: #if EFSYS_OPT_MAC_STATS if (eecp->eec_mac_stats != NULL) { eecp->eec_mac_stats(arg, MCDI_EV_FIELD(eqp, MAC_STATS_DMA_GENERATION)); } #endif 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); } #define EFX_EV_BATCH 8 static void siena_ev_qpoll( __in efx_evq_t *eep, __inout unsigned int *countp, __in const efx_ev_callbacks_t *eecp, __in_opt void *arg) { efx_qword_t ev[EFX_EV_BATCH]; unsigned int batch; unsigned int total; unsigned int count; unsigned int index; size_t offset; EFSYS_ASSERT(countp != NULL); EFSYS_ASSERT(eecp != NULL); count = *countp; do { /* Read up until the end of the batch period */ batch = EFX_EV_BATCH - (count & (EFX_EV_BATCH - 1)); offset = (count & eep->ee_mask) * sizeof (efx_qword_t); for (total = 0; total < batch; ++total) { EFSYS_MEM_READQ(eep->ee_esmp, offset, &(ev[total])); if (!EFX_EV_PRESENT(ev[total])) break; EFSYS_PROBE3(event, unsigned int, eep->ee_index, uint32_t, EFX_QWORD_FIELD(ev[total], EFX_DWORD_1), uint32_t, EFX_QWORD_FIELD(ev[total], EFX_DWORD_0)); offset += sizeof (efx_qword_t); } #if EFSYS_OPT_EV_PREFETCH && (EFSYS_OPT_EV_PREFETCH_PERIOD > 1) /* * Prefetch the next batch when we get within PREFETCH_PERIOD * of a completed batch. If the batch is smaller, then prefetch * immediately. */ if (total == batch && total < EFSYS_OPT_EV_PREFETCH_PERIOD) EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); #endif /* EFSYS_OPT_EV_PREFETCH */ /* Process the batch of events */ for (index = 0; index < total; ++index) { boolean_t should_abort; uint32_t code; #if EFSYS_OPT_EV_PREFETCH /* Prefetch if we've now reached the batch period */ if (total == batch && index + EFSYS_OPT_EV_PREFETCH_PERIOD == total) { offset = (count + batch) & eep->ee_mask; offset *= sizeof (efx_qword_t); EFSYS_MEM_PREFETCH(eep->ee_esmp, offset); } #endif /* EFSYS_OPT_EV_PREFETCH */ EFX_EV_QSTAT_INCR(eep, EV_ALL); code = EFX_QWORD_FIELD(ev[index], FSF_AZ_EV_CODE); switch (code) { case FSE_AZ_EV_CODE_RX_EV: should_abort = eep->ee_rx(eep, &(ev[index]), eecp, arg); break; case FSE_AZ_EV_CODE_TX_EV: should_abort = eep->ee_tx(eep, &(ev[index]), eecp, arg); break; case FSE_AZ_EV_CODE_DRIVER_EV: should_abort = eep->ee_driver(eep, &(ev[index]), eecp, arg); break; case FSE_AZ_EV_CODE_DRV_GEN_EV: should_abort = eep->ee_drv_gen(eep, &(ev[index]), eecp, arg); break; #if EFSYS_OPT_MCDI case FSE_AZ_EV_CODE_MCDI_EVRESPONSE: should_abort = eep->ee_mcdi(eep, &(ev[index]), eecp, arg); break; #endif case FSE_AZ_EV_CODE_GLOBAL_EV: if (eep->ee_global) { should_abort = eep->ee_global(eep, &(ev[index]), eecp, arg); break; } /* else fallthrough */ default: EFSYS_PROBE3(bad_event, unsigned int, eep->ee_index, uint32_t, EFX_QWORD_FIELD(ev[index], EFX_DWORD_1), uint32_t, EFX_QWORD_FIELD(ev[index], EFX_DWORD_0)); EFSYS_ASSERT(eecp->eec_exception != NULL); (void) eecp->eec_exception(arg, EFX_EXCEPTION_EV_ERROR, code); should_abort = B_TRUE; } if (should_abort) { /* Ignore subsequent events */ total = index + 1; break; } } /* * Now that the hardware has most likely moved onto dma'ing * into the next cache line, clear the processed events. Take * care to only clear out events that we've processed */ EFX_SET_QWORD(ev[0]); offset = (count & eep->ee_mask) * sizeof (efx_qword_t); for (index = 0; index < total; ++index) { EFSYS_MEM_WRITEQ(eep->ee_esmp, offset, &(ev[0])); offset += sizeof (efx_qword_t); } count += total; } while (total == batch); *countp = count; } 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 { uint32_t timer_val; /* Calculate the timer value in quanta */ timer_val = us * 1000 / encp->enc_evq_timer_quantum_ns; /* Moderation value is base 0 so we need to deduct 1 */ if (timer_val > 0) timer_val--; EFX_POPULATE_DWORD_2(dword, FRF_CZ_TC_TIMER_MODE, FFE_CZ_TIMER_MODE_INT_HLDOFF, FRF_CZ_TC_TIMER_VAL, timer_val); } locked = (eep->ee_index == 0) ? 1 : 0; EFX_BAR_TBL_WRITED(enp, FR_BZ_TIMER_COMMAND_REGP0, eep->ee_index, &dword, locked); return (0); 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 efx_evq_t *eep) { efx_nic_cfg_t *encp = &(enp->en_nic_cfg); uint32_t size; efx_oword_t oword; efx_rc_t rc; 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; } #if EFSYS_OPT_RX_SCALE if (enp->en_intr.ei_type == EFX_INTR_LINE && index >= EFX_MAXRSS_LEGACY) { rc = EINVAL; goto fail3; } #endif 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 */ /* Set up the new event queue */ EFX_POPULATE_OWORD_1(oword, FRF_CZ_TIMER_Q_EN, 1); 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); return (0); fail4: EFSYS_PROBE(fail4); #if EFSYS_OPT_RX_SCALE fail3: EFSYS_PROBE(fail3); #endif fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } #endif /* EFSYS_OPT_SIENA */ #if EFSYS_OPT_QSTATS #if EFSYS_OPT_NAMES /* START MKCONFIG GENERATED EfxEventQueueStatNamesBlock b693ddf85aee1bfd */ static const char *__efx_ev_qstat_name[] = { "all", "rx", "rx_ok", "rx_frm_trunc", "rx_tobe_disc", "rx_pause_frm_err", "rx_buf_owner_id_err", "rx_ipv4_hdr_chksum_err", "rx_tcp_udp_chksum_err", "rx_eth_crc_err", "rx_ip_frag_err", "rx_mcast_pkt", "rx_mcast_hash_match", "rx_tcp_ipv4", "rx_tcp_ipv6", "rx_udp_ipv4", "rx_udp_ipv6", "rx_other_ipv4", "rx_other_ipv6", "rx_non_ip", "rx_batch", "tx", "tx_wq_ff_full", "tx_pkt_err", "tx_pkt_too_big", "tx_unexpected", "global", "global_mnt", "driver", "driver_srm_upd_done", "driver_tx_descq_fls_done", "driver_rx_descq_fls_done", "driver_rx_descq_fls_failed", "driver_rx_dsc_error", "driver_tx_dsc_error", "drv_gen", "mcdi_response", }; /* END MKCONFIG GENERATED EfxEventQueueStatNamesBlock */ const char * efx_ev_qstat_name( __in efx_nic_t *enp, __in unsigned int id) { EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(id, <, EV_NQSTATS); return (__efx_ev_qstat_name[id]); } #endif /* EFSYS_OPT_NAMES */ #endif /* EFSYS_OPT_QSTATS */ #if EFSYS_OPT_SIENA #if EFSYS_OPT_QSTATS static void siena_ev_qstats_update( __in efx_evq_t *eep, __inout_ecount(EV_NQSTATS) efsys_stat_t *stat) { unsigned int id; for (id = 0; id < EV_NQSTATS; id++) { efsys_stat_t *essp = &stat[id]; EFSYS_STAT_INCR(essp, eep->ee_stat[id]); eep->ee_stat[id] = 0; } } #endif /* EFSYS_OPT_QSTATS */ 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 */