-/*
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
*
- * 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.
+ * Copyright (c) 2007-2018 Solarflare Communications Inc.
+ * All rights reserved.
*/
#include "efx.h"
#include "efx_impl.h"
-
-#define EFX_EV_QSTAT_INCR(_eep, _stat)
+#if EFSYS_OPT_MON_MCDI
+#include "mcdi_mon.h"
+#endif
#define EFX_EV_PRESENT(_qword) \
(EFX_QWORD_FIELD((_qword), EFX_DWORD_0) != 0xffffffff && \
__in efx_nic_t *enp,
__in unsigned int index,
__in efsys_mem_t *esmp,
- __in size_t n,
+ __in size_t ndescs,
__in uint32_t id,
__in uint32_t us,
__in uint32_t flags,
__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
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
+#if EFX_OPTS_EF10()
static const efx_ev_ops_t __efx_ev_ef10_ops = {
ef10_ev_init, /* eevo_init */
ef10_ev_fini, /* eevo_fini */
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 */
+#endif /* EFX_OPTS_EF10() */
__checkReturn efx_rc_t
break;
#endif /* EFSYS_OPT_MEDFORD */
+#if EFSYS_OPT_MEDFORD2
+ case EFX_FAMILY_MEDFORD2:
+ eevop = &__efx_ev_ef10_ops;
+ break;
+#endif /* EFSYS_OPT_MEDFORD2 */
+
default:
EFSYS_ASSERT(0);
rc = ENOTSUP;
return (rc);
}
+ __checkReturn size_t
+efx_evq_size(
+ __in const efx_nic_t *enp,
+ __in unsigned int ndescs)
+{
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(enp);
+
+ return (ndescs * encp->enc_ev_desc_size);
+}
+
+ __checkReturn unsigned int
+efx_evq_nbufs(
+ __in const efx_nic_t *enp,
+ __in unsigned int ndescs)
+{
+ return (EFX_DIV_ROUND_UP(efx_evq_size(enp, ndescs), EFX_BUF_SIZE));
+}
+
void
efx_ev_fini(
__in efx_nic_t *enp)
__in efx_nic_t *enp,
__in unsigned int index,
__in efsys_mem_t *esmp,
- __in size_t n,
+ __in size_t ndescs,
__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;
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(enp);
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);
+ EFSYS_ASSERT3U(enp->en_ev_qcount + 1, <,
+ enp->en_nic_cfg.enc_evq_limit);
switch (flags & EFX_EVQ_FLAGS_NOTIFY_MASK) {
case EFX_EVQ_FLAGS_NOTIFY_INTERRUPT:
goto fail2;
}
+ EFSYS_ASSERT(ISP2(encp->enc_evq_max_nevs));
+ EFSYS_ASSERT(ISP2(encp->enc_evq_min_nevs));
+
+ if (!ISP2(ndescs) ||
+ ndescs < encp->enc_evq_min_nevs ||
+ ndescs > encp->enc_evq_max_nevs) {
+ rc = EINVAL;
+ goto fail3;
+ }
+
/* Allocate an EVQ object */
EFSYS_KMEM_ALLOC(enp->en_esip, sizeof (efx_evq_t), eep);
if (eep == NULL) {
rc = ENOMEM;
- goto fail3;
+ goto fail4;
}
eep->ee_magic = EFX_EVQ_MAGIC;
eep->ee_enp = enp;
eep->ee_index = index;
- eep->ee_mask = n - 1;
+ eep->ee_mask = ndescs - 1;
eep->ee_flags = flags;
eep->ee_esmp = esmp;
enp->en_ev_qcount++;
*eepp = eep;
- if ((rc = eevop->eevo_qcreate(enp, index, esmp, n, id, us, flags,
+ if ((rc = eevop->eevo_qcreate(enp, index, esmp, ndescs, id, us, flags,
eep)) != 0)
- goto fail4;
+ goto fail5;
return (0);
-fail4:
- EFSYS_PROBE(fail4);
+fail5:
+ EFSYS_PROBE(fail5);
*eepp = NULL;
enp->en_ev_qcount--;
EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_evq_t), eep);
+fail4:
+ EFSYS_PROBE(fail4);
fail3:
EFSYS_PROBE(fail3);
fail2:
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
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);
if (should_abort) {
/* Ignore subsequent events */
total = index + 1;
+
+ /*
+ * Poison batch to ensure the outer
+ * loop is broken out of.
+ */
+ EFSYS_ASSERT(batch <= EFX_EV_BATCH);
+ batch += (EFX_EV_BATCH << 1);
+ EFSYS_ASSERT(total != batch);
break;
}
}
{
efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
unsigned int ticks;
+ efx_rc_t rc;
+
+ if (encp->enc_evq_timer_quantum_ns == 0) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
/* Convert microseconds to a timer tick count */
if (us == 0)
*ticksp = ticks;
return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+ return (rc);
}
__checkReturn efx_rc_t
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
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) {
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;
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);
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);
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);
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:
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: {
__in efx_nic_t *enp,
__in unsigned int index,
__in efsys_mem_t *esmp,
- __in size_t n,
+ __in size_t ndescs,
__in uint32_t id,
__in uint32_t us,
__in uint32_t flags,
_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)) {
+ if (index >= encp->enc_evq_limit) {
rc = EINVAL;
goto fail1;
}
- if (index >= encp->enc_evq_limit) {
+#if EFSYS_OPT_RX_SCALE
+ if (enp->en_intr.ei_type == EFX_INTR_LINE &&
+ index >= EFX_MAXRSS_LEGACY) {
rc = EINVAL;
goto fail2;
}
- for (size = 0; (1 << size) <= (EFX_EVQ_MAXNEVS / EFX_EVQ_MINNEVS);
+#endif
+ for (size = 0;
+ (1U << size) <= encp->enc_evq_max_nevs / encp->enc_evq_min_nevs;
size++)
- if ((1 << size) == (int)(n / EFX_EVQ_MINNEVS))
+ if ((1U << size) == (uint32_t)ndescs / encp->enc_evq_min_nevs)
break;
if (id + (1 << size) >= encp->enc_buftbl_limit) {
rc = EINVAL;
- goto fail4;
+ goto fail3;
}
/* Set up the handler table */
return (0);
-fail4:
- EFSYS_PROBE(fail4);
+fail3:
+ EFSYS_PROBE(fail3);
+#if EFSYS_OPT_RX_SCALE
fail2:
EFSYS_PROBE(fail2);
+#endif
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
#endif /* EFSYS_OPT_SIENA */
+#if EFSYS_OPT_QSTATS
+#if EFSYS_OPT_NAMES
+/* START MKCONFIG GENERATED EfxEventQueueStatNamesBlock ac223f7134058b4f */
+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",
+ "rx_parse_incomplete",
+};
+/* END MKCONFIG GENERATED EfxEventQueueStatNamesBlock */
+
+ const char *
+efx_ev_qstat_name(
+ __in efx_nic_t *enp,
+ __in unsigned int id)
+{
+ _NOTE(ARGUNUSED(enp))
+
+ 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)