-/*-
- * BSD LICENSE
- *
- * Copyright(c) Broadcom Limited.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * 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.
- * * Neither the name of Broadcom Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * 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
+ * Copyright(c) 2014-2018 Broadcom
+ * All rights reserved.
*/
#include <inttypes.h>
mbuf = __bnxt_alloc_rx_data(rxq->mb_pool);
if (!mbuf) {
- rte_atomic64_inc(&rxq->bp->rx_mbuf_alloc_fail);
+ rte_atomic64_inc(&rxq->rx_mbuf_alloc_fail);
return -ENOMEM;
}
rx_buf->mbuf = mbuf;
+ mbuf->data_off = RTE_PKTMBUF_HEADROOM;
- rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
+ rxbd->address = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
return 0;
}
mbuf = __bnxt_alloc_rx_data(rxq->mb_pool);
if (!mbuf) {
- rte_atomic64_inc(&rxq->bp->rx_mbuf_alloc_fail);
+ rte_atomic64_inc(&rxq->rx_mbuf_alloc_fail);
return -ENOMEM;
}
rx_buf->mbuf = mbuf;
+ mbuf->data_off = RTE_PKTMBUF_HEADROOM;
- rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
+ rxbd->address = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
return 0;
}
prod_bd = &rxr->rx_desc_ring[prod];
- prod_bd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
+ prod_bd->address = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
rxr->rx_prod = prod;
}
prod_bd = &rxr->ag_desc_ring[prod];
cons_bd = &rxr->ag_desc_ring[cons];
- prod_bd->addr = cons_bd->addr;
+ prod_bd->address = cons_bd->addr;
}
#endif
struct rte_mbuf *new_data = __bnxt_alloc_rx_data(rxq->mb_pool);
RTE_ASSERT(new_data != NULL);
if (!new_data) {
- rte_atomic64_inc(&rxq->bp->rx_mbuf_alloc_fail);
+ rte_atomic64_inc(&rxq->rx_mbuf_alloc_fail);
return NULL;
}
tpa_info->mbuf = new_data;
if (likely(RX_CMP_IP_CS_OK(rxcmp1)))
mbuf->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
+ else if (likely(RX_CMP_IP_CS_UNKNOWN(rxcmp1)))
+ mbuf->ol_flags |= PKT_RX_IP_CKSUM_UNKNOWN;
else
mbuf->ol_flags |= PKT_RX_IP_CKSUM_BAD;
if (likely(RX_CMP_L4_CS_OK(rxcmp1)))
mbuf->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
+ else if (likely(RX_CMP_L4_CS_UNKNOWN(rxcmp1)))
+ mbuf->ol_flags |= PKT_RX_L4_CKSUM_UNKNOWN;
else
mbuf->ol_flags |= PKT_RX_L4_CKSUM_BAD;
uint16_t prod = rxr->rx_prod;
uint16_t ag_prod = rxr->ag_prod;
int rc = 0;
+ bool evt = false;
- /* If Rx Q was stopped return */
- if (rxq->rx_deferred_start)
+ /* If Rx Q was stopped return. RxQ0 cannot be stopped. */
+ if (unlikely(((rxq->rx_deferred_start ||
+ !rte_spinlock_trylock(&rxq->lock)) &&
+ rxq->queue_id)))
return 0;
/* Handle RX burst request */
nb_rx_pkts++;
if (rc == -EBUSY) /* partial completion */
break;
+ } else {
+ evt =
+ bnxt_event_hwrm_resp_handler(rxq->bp,
+ (struct cmpl_base *)rxcmp);
}
+
raw_cons = NEXT_RAW_CMP(raw_cons);
- if (nb_rx_pkts == nb_pkts)
+ if (nb_rx_pkts == nb_pkts || evt)
break;
+ /* Post some Rx buf early in case of larger burst processing */
+ if (nb_rx_pkts == BNXT_RX_POST_THRESH)
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
}
cpr->cp_raw_cons = raw_cons;
- if (prod == rxr->rx_prod && ag_prod == rxr->ag_prod) {
+ if (!nb_rx_pkts && !evt) {
/*
* For PMD, there is no need to keep on pushing to REARM
* the doorbell if there are no new completions
*/
- return nb_rx_pkts;
+ goto done;
}
- B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
- B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+ if (prod != rxr->rx_prod)
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+
/* Ring the AGG ring DB */
- B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+ if (ag_prod != rxr->ag_prod)
+ B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+
+ B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
/* Attempt to alloc Rx buf in case of a previous allocation failure. */
if (rc == -ENOMEM) {
}
}
+done:
+ rte_spinlock_unlock(&rxq->lock);
+
return nb_rx_pkts;
}
void bnxt_free_rx_rings(struct bnxt *bp)
{
int i;
+ struct bnxt_rx_queue *rxq;
- for (i = 0; i < (int)bp->rx_nr_rings; i++) {
- struct bnxt_rx_queue *rxq = bp->rx_queues[i];
+ if (!bp->rx_queues)
+ return;
+ for (i = 0; i < (int)bp->rx_nr_rings; i++) {
+ rxq = bp->rx_queues[i];
if (!rxq)
continue;
if (rxq->rx_buf_use_size <= size)
size = rxq->rx_buf_use_size;
- type = RX_PROD_PKT_BD_TYPE_RX_PROD_PKT;
+ type = RX_PROD_PKT_BD_TYPE_RX_PROD_PKT | RX_PROD_PKT_BD_FLAGS_EOP_PAD;
rxr = rxq->rx_ring;
ring = rxr->rx_ring_struct;
rxr->tpa_info[i].mbuf =
__bnxt_alloc_rx_data(rxq->mb_pool);
if (!rxr->tpa_info[i].mbuf) {
- rte_atomic64_inc(&rxq->bp->rx_mbuf_alloc_fail);
+ rte_atomic64_inc(&rxq->rx_mbuf_alloc_fail);
return -ENOMEM;
}
}
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