--- /dev/null
+/*
+ * 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 */
Code Review / deb_dpdk.git / blobdiff