diff options
Diffstat (limited to 'drivers/net/sfc/base/efx_ev.c')
| -rw-r--r-- | drivers/net/sfc/base/efx_ev.c | 1470 |
1 files changed, 1470 insertions, 0 deletions
diff --git a/drivers/net/sfc/base/efx_ev.c b/drivers/net/sfc/base/efx_ev.c new file mode 100644 index 00000000..42ded5aa --- /dev/null +++ b/drivers/net/sfc/base/efx_ev.c @@ -0,0 +1,1470 @@ +/* + * Copyright (c) 2007-2016 Solarflare Communications Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are + * those of the authors and should not be interpreted as representing official + * policies, either expressed or implied, of the FreeBSD Project. + */ + +#include "efx.h" +#include "efx_impl.h" +#if EFSYS_OPT_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 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); + +#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, + __in uint32_t us, + __in uint32_t flags, + __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); + + switch (flags & EFX_EVQ_FLAGS_NOTIFY_MASK) { + case EFX_EVQ_FLAGS_NOTIFY_INTERRUPT: + break; + case EFX_EVQ_FLAGS_NOTIFY_DISABLED: + if (us != 0) { + rc = EINVAL; + goto fail1; + } + break; + default: + rc = EINVAL; + goto fail2; + } + + /* Allocate an EVQ object */ + EFSYS_KMEM_ALLOC(enp->en_esip, sizeof (efx_evq_t), eep); + if (eep == NULL) { + rc = ENOMEM; + goto fail3; + } + + eep->ee_magic = EFX_EVQ_MAGIC; + eep->ee_enp = enp; + eep->ee_index = index; + eep->ee_mask = n - 1; + eep->ee_flags = flags; + eep->ee_esmp = esmp; + + /* + * 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, us, flags, + eep)) != 0) + goto fail4; + + return (0); + +fail4: + EFSYS_PROBE(fail4); + + *eepp = NULL; + enp->en_ev_qcount--; + EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep); +fail3: + EFSYS_PROBE(fail3); +fail2: + EFSYS_PROBE(fail2); +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) +{ + 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 */ + +#define EFX_EV_BATCH 8 + + void +efx_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; + + /* Ensure events codes match for EF10 (Huntington/Medford) and Siena */ + 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 + + EFSYS_ASSERT3U(eep->ee_magic, ==, EFX_EVQ_MAGIC); + 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; +} + + 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_usecs_to_ticks( + __in efx_nic_t *enp, + __in unsigned int us, + __out unsigned int *ticksp) +{ + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + unsigned int ticks; + + /* Convert microseconds to a timer tick count */ + if (us == 0) + ticks = 0; + else if (us * 1000 < encp->enc_evq_timer_quantum_ns) + ticks = 1; /* Never round down to zero */ + else + ticks = us * 1000 / encp->enc_evq_timer_quantum_ns; + + *ticksp = ticks; + return (0); +} + + __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 ((eep->ee_flags & EFX_EVQ_FLAGS_NOTIFY_MASK) == + EFX_EVQ_FLAGS_NOTIFY_DISABLED) { + rc = EINVAL; + goto fail1; + } + + if ((rc = eevop->eevo_qmoderate(eep, us)) != 0) + goto fail2; + + return (0); + +fail2: + EFSYS_PROBE(fail2); +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 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); +#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); +} + +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; + } +#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 */ + + 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); +#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 c0f3bc5083b40532 */ +static const char * const __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 */ |