net/nfp: remove compile time log
[dpdk.git] / drivers / net / sfc / sfc_ev.c
index 0f216da..ba44093 100644 (file)
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright (c) 2016-2018 Solarflare Communications Inc.
- * All rights reserved.
+ * Copyright(c) 2019-2021 Xilinx, Inc.
+ * Copyright(c) 2016-2019 Solarflare Communications Inc.
  *
  * This software was jointly developed between OKTET Labs (under contract
  * for Solarflare) and Solarflare Communications, Inc.
@@ -162,6 +162,32 @@ sfc_ev_dp_rx(void *arg, __rte_unused uint32_t label, uint32_t id,
        return evq->sa->priv.dp_rx->qrx_ev(dp_rxq, id);
 }
 
+static boolean_t
+sfc_ev_nop_rx_packets(void *arg, uint32_t label, unsigned int num_packets,
+                     uint32_t flags)
+{
+       struct sfc_evq *evq = arg;
+
+       sfc_err(evq->sa,
+               "EVQ %u unexpected Rx packets event label=%u num=%u flags=%#x",
+               evq->evq_index, label, num_packets, flags);
+       return B_TRUE;
+}
+
+static boolean_t
+sfc_ev_dp_rx_packets(void *arg, __rte_unused uint32_t label,
+                    unsigned int num_packets, __rte_unused uint32_t flags)
+{
+       struct sfc_evq *evq = arg;
+       struct sfc_dp_rxq *dp_rxq;
+
+       dp_rxq = evq->dp_rxq;
+       SFC_ASSERT(dp_rxq != NULL);
+
+       SFC_ASSERT(evq->sa->priv.dp_rx->qrx_ev != NULL);
+       return evq->sa->priv.dp_rx->qrx_ev(dp_rxq, num_packets);
+}
+
 static boolean_t
 sfc_ev_nop_rx_ps(void *arg, uint32_t label, uint32_t id,
                 uint32_t pkt_count, uint16_t flags)
@@ -243,6 +269,30 @@ sfc_ev_dp_tx(void *arg, __rte_unused uint32_t label, uint32_t id)
        return evq->sa->priv.dp_tx->qtx_ev(dp_txq, id);
 }
 
+static boolean_t
+sfc_ev_nop_tx_ndescs(void *arg, uint32_t label, unsigned int ndescs)
+{
+       struct sfc_evq *evq = arg;
+
+       sfc_err(evq->sa, "EVQ %u unexpected Tx event label=%u ndescs=%#x",
+               evq->evq_index, label, ndescs);
+       return B_TRUE;
+}
+
+static boolean_t
+sfc_ev_dp_tx_ndescs(void *arg, __rte_unused uint32_t label,
+                     unsigned int ndescs)
+{
+       struct sfc_evq *evq = arg;
+       struct sfc_dp_txq *dp_txq;
+
+       dp_txq = evq->dp_txq;
+       SFC_ASSERT(dp_txq != NULL);
+
+       SFC_ASSERT(evq->sa->priv.dp_tx->qtx_ev != NULL);
+       return evq->sa->priv.dp_tx->qtx_ev(dp_txq, ndescs);
+}
+
 static boolean_t
 sfc_ev_exception(void *arg, uint32_t code, __rte_unused uint32_t data)
 {
@@ -420,7 +470,7 @@ sfc_ev_link_change(void *arg, efx_link_mode_t link_mode)
        struct rte_eth_link new_link;
 
        sfc_port_link_mode_to_info(link_mode, &new_link);
-       if (rte_eth_linkstatus_set(sa->eth_dev, &new_link))
+       if (rte_eth_linkstatus_set(sa->eth_dev, &new_link) == 0)
                evq->sa->port.lsc_seq++;
 
        return B_FALSE;
@@ -429,8 +479,10 @@ sfc_ev_link_change(void *arg, efx_link_mode_t link_mode)
 static const efx_ev_callbacks_t sfc_ev_callbacks = {
        .eec_initialized        = sfc_ev_initialized,
        .eec_rx                 = sfc_ev_nop_rx,
+       .eec_rx_packets         = sfc_ev_nop_rx_packets,
        .eec_rx_ps              = sfc_ev_nop_rx_ps,
        .eec_tx                 = sfc_ev_nop_tx,
+       .eec_tx_ndescs          = sfc_ev_nop_tx_ndescs,
        .eec_exception          = sfc_ev_exception,
        .eec_rxq_flush_done     = sfc_ev_nop_rxq_flush_done,
        .eec_rxq_flush_failed   = sfc_ev_nop_rxq_flush_failed,
@@ -445,8 +497,10 @@ static const efx_ev_callbacks_t sfc_ev_callbacks = {
 static const efx_ev_callbacks_t sfc_ev_callbacks_efx_rx = {
        .eec_initialized        = sfc_ev_initialized,
        .eec_rx                 = sfc_ev_efx_rx,
+       .eec_rx_packets         = sfc_ev_nop_rx_packets,
        .eec_rx_ps              = sfc_ev_nop_rx_ps,
        .eec_tx                 = sfc_ev_nop_tx,
+       .eec_tx_ndescs          = sfc_ev_nop_tx_ndescs,
        .eec_exception          = sfc_ev_exception,
        .eec_rxq_flush_done     = sfc_ev_rxq_flush_done,
        .eec_rxq_flush_failed   = sfc_ev_rxq_flush_failed,
@@ -461,8 +515,10 @@ static const efx_ev_callbacks_t sfc_ev_callbacks_efx_rx = {
 static const efx_ev_callbacks_t sfc_ev_callbacks_dp_rx = {
        .eec_initialized        = sfc_ev_initialized,
        .eec_rx                 = sfc_ev_dp_rx,
+       .eec_rx_packets         = sfc_ev_dp_rx_packets,
        .eec_rx_ps              = sfc_ev_dp_rx_ps,
        .eec_tx                 = sfc_ev_nop_tx,
+       .eec_tx_ndescs          = sfc_ev_nop_tx_ndescs,
        .eec_exception          = sfc_ev_exception,
        .eec_rxq_flush_done     = sfc_ev_rxq_flush_done,
        .eec_rxq_flush_failed   = sfc_ev_rxq_flush_failed,
@@ -477,8 +533,10 @@ static const efx_ev_callbacks_t sfc_ev_callbacks_dp_rx = {
 static const efx_ev_callbacks_t sfc_ev_callbacks_efx_tx = {
        .eec_initialized        = sfc_ev_initialized,
        .eec_rx                 = sfc_ev_nop_rx,
+       .eec_rx_packets         = sfc_ev_nop_rx_packets,
        .eec_rx_ps              = sfc_ev_nop_rx_ps,
        .eec_tx                 = sfc_ev_tx,
+       .eec_tx_ndescs          = sfc_ev_nop_tx_ndescs,
        .eec_exception          = sfc_ev_exception,
        .eec_rxq_flush_done     = sfc_ev_nop_rxq_flush_done,
        .eec_rxq_flush_failed   = sfc_ev_nop_rxq_flush_failed,
@@ -493,8 +551,10 @@ static const efx_ev_callbacks_t sfc_ev_callbacks_efx_tx = {
 static const efx_ev_callbacks_t sfc_ev_callbacks_dp_tx = {
        .eec_initialized        = sfc_ev_initialized,
        .eec_rx                 = sfc_ev_nop_rx,
+       .eec_rx_packets         = sfc_ev_nop_rx_packets,
        .eec_rx_ps              = sfc_ev_nop_rx_ps,
        .eec_tx                 = sfc_ev_dp_tx,
+       .eec_tx_ndescs          = sfc_ev_dp_tx_ndescs,
        .eec_exception          = sfc_ev_exception,
        .eec_rxq_flush_done     = sfc_ev_nop_rxq_flush_done,
        .eec_rxq_flush_failed   = sfc_ev_nop_rxq_flush_failed,
@@ -522,7 +582,7 @@ sfc_ev_qpoll(struct sfc_evq *evq)
                int rc;
 
                if (evq->dp_rxq != NULL) {
-                       unsigned int rxq_sw_index;
+                       sfc_sw_index_t rxq_sw_index;
 
                        rxq_sw_index = evq->dp_rxq->dpq.queue_id;
 
@@ -538,7 +598,7 @@ sfc_ev_qpoll(struct sfc_evq *evq)
                }
 
                if (evq->dp_txq != NULL) {
-                       unsigned int txq_sw_index;
+                       sfc_sw_index_t txq_sw_index;
 
                        txq_sw_index = evq->dp_txq->dpq.queue_id;
 
@@ -588,6 +648,7 @@ sfc_ev_qstart(struct sfc_evq *evq, unsigned int hw_index)
        struct sfc_adapter *sa = evq->sa;
        efsys_mem_t *esmp;
        uint32_t evq_flags = sa->evq_flags;
+       uint32_t irq = 0;
        unsigned int total_delay_us;
        unsigned int delay_us;
        int rc;
@@ -600,18 +661,37 @@ sfc_ev_qstart(struct sfc_evq *evq, unsigned int hw_index)
 
        /* Clear all events */
        (void)memset((void *)esmp->esm_base, 0xff,
-                    efx_evq_size(sa->nic, evq->entries));
+                    efx_evq_size(sa->nic, evq->entries, evq_flags));
 
-       if ((sa->intr.lsc_intr && hw_index == sa->mgmt_evq_index) ||
-           (sa->intr.rxq_intr && evq->dp_rxq != NULL))
+       if (sa->intr.lsc_intr && hw_index == sa->mgmt_evq_index) {
                evq_flags |= EFX_EVQ_FLAGS_NOTIFY_INTERRUPT;
-       else
+               irq = 0;
+       } else if (sa->intr.rxq_intr && evq->dp_rxq != NULL) {
+               sfc_ethdev_qid_t ethdev_qid;
+
+               ethdev_qid =
+                       sfc_ethdev_rx_qid_by_rxq_sw_index(sfc_sa2shared(sa),
+                               evq->dp_rxq->dpq.queue_id);
+               if (ethdev_qid != SFC_ETHDEV_QID_INVALID) {
+                       evq_flags |= EFX_EVQ_FLAGS_NOTIFY_INTERRUPT;
+                       /*
+                        * The first interrupt is used for management EvQ
+                        * (LSC etc). RxQ interrupts follow it.
+                        */
+                       irq = 1 + ethdev_qid;
+               } else {
+                       evq_flags |= EFX_EVQ_FLAGS_NOTIFY_DISABLED;
+               }
+       } else {
                evq_flags |= EFX_EVQ_FLAGS_NOTIFY_DISABLED;
+       }
+
+       evq->init_state = SFC_EVQ_STARTING;
 
        /* Create the common code event queue */
-       rc = efx_ev_qcreate(sa->nic, hw_index, esmp, evq->entries,
-                           0 /* unused on EF10 */, 0, evq_flags,
-                           &evq->common);
+       rc = efx_ev_qcreate_irq(sa->nic, hw_index, esmp, evq->entries,
+                               0 /* unused on EF10 */, 0, evq_flags,
+                               irq, &evq->common);
        if (rc != 0)
                goto fail_ev_qcreate;
 
@@ -632,7 +712,13 @@ sfc_ev_qstart(struct sfc_evq *evq, unsigned int hw_index)
                evq->callbacks = &sfc_ev_callbacks;
        }
 
-       evq->init_state = SFC_EVQ_STARTING;
+       /*
+        * Poll once to ensure that eec_initialized callback is invoked in
+        * case if the hardware does not support INIT_DONE events. If the
+        * hardware supports INIT_DONE events, this will do nothing, and the
+        * corresponding event will be processed by sfc_ev_qpoll() below.
+        */
+       efx_ev_qcreate_check_init_done(evq->common, evq->callbacks, evq);
 
        /* Wait for the initialization event */
        total_delay_us = 0;
@@ -665,10 +751,10 @@ done:
        return 0;
 
 fail_timedout:
-       evq->init_state = SFC_EVQ_INITIALIZED;
        efx_ev_qdestroy(evq->common);
 
 fail_ev_qcreate:
+       evq->init_state = SFC_EVQ_INITIALIZED;
        sfc_log_init(sa, "failed %d", rc);
        return rc;
 }
@@ -825,8 +911,8 @@ sfc_ev_qinit(struct sfc_adapter *sa,
 
        /* Allocate DMA space */
        rc = sfc_dma_alloc(sa, sfc_evq_type2str(type), type_index,
-                          efx_evq_size(sa->nic, evq->entries), socket_id,
-                          &evq->mem);
+                          efx_evq_size(sa->nic, evq->entries, sa->evq_flags),
+                          socket_id, &evq->mem);
        if (rc != 0)
                goto fail_dma_alloc;
 
@@ -897,7 +983,7 @@ sfc_ev_attach(struct sfc_adapter *sa)
                goto fail_kvarg_perf_profile;
        }
 
-       sa->mgmt_evq_index = 0;
+       sa->mgmt_evq_index = sfc_mgmt_evq_sw_index(sfc_sa2shared(sa));
        rte_spinlock_init(&sa->mgmt_evq_lock);
 
        rc = sfc_ev_qinit(sa, SFC_EVQ_TYPE_MGMT, 0, sa->evq_min_entries,