net/hns3: encapsulate DFX stats in datapath
[dpdk.git] / drivers / net / bnxt / bnxt_rxtx_vec_common.h
index ca5e345..91ff673 100644 (file)
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2020 Broadcom
+ * Copyright(c) 2020-2021 Broadcom
  * All rights reserved.
  */
 
@@ -9,8 +9,6 @@
 #include "bnxt_rxq.h"
 #include "bnxt_rxr.h"
 
-#define RTE_BNXT_DESCS_PER_LOOP                4U
-
 #define TX_BD_FLAGS_CMPL ((1 << TX_BD_LONG_FLAGS_BD_CNT_SFT) | \
                          TX_BD_SHORT_FLAGS_COAL_NOW | \
                          TX_BD_SHORT_TYPE_TX_BD_SHORT | \
@@ -73,6 +71,8 @@ bnxt_rxq_rearm(struct bnxt_rx_queue *rxq, struct bnxt_rx_ring_info *rxr)
        if (rte_mempool_get_bulk(rxq->mb_pool, (void *)rx_bufs, nb) < 0) {
                rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed += nb;
 
+               for (i = 0; i < nb; i++)
+                       rx_bufs[i] = &rxq->fake_mbuf;
                return;
        }
 
@@ -94,4 +94,63 @@ bnxt_rxq_rearm(struct bnxt_rx_queue *rxq, struct bnxt_rx_ring_info *rxr)
 
        rxq->rxrearm_nb -= nb;
 }
+
+/*
+ * Transmit completion function for use when DEV_TX_OFFLOAD_MBUF_FAST_FREE
+ * is enabled.
+ */
+static inline void
+bnxt_tx_cmp_vec_fast(struct bnxt_tx_queue *txq, int nr_pkts)
+{
+       struct bnxt_tx_ring_info *txr = txq->tx_ring;
+       struct rte_mbuf **free = txq->free;
+       uint16_t cons, raw_cons = txr->tx_raw_cons;
+       unsigned int blk = 0;
+       uint32_t ring_mask = txr->tx_ring_struct->ring_mask;
+
+       while (nr_pkts--) {
+               struct bnxt_sw_tx_bd *tx_buf;
+
+               cons = raw_cons++ & ring_mask;
+               tx_buf = &txr->tx_buf_ring[cons];
+               free[blk++] = tx_buf->mbuf;
+               tx_buf->mbuf = NULL;
+       }
+       if (blk)
+               rte_mempool_put_bulk(free[0]->pool, (void **)free, blk);
+
+       txr->tx_raw_cons = raw_cons;
+}
+
+static inline void
+bnxt_tx_cmp_vec(struct bnxt_tx_queue *txq, int nr_pkts)
+{
+       struct bnxt_tx_ring_info *txr = txq->tx_ring;
+       struct rte_mbuf **free = txq->free;
+       uint16_t cons, raw_cons = txr->tx_raw_cons;
+       unsigned int blk = 0;
+       uint32_t ring_mask = txr->tx_ring_struct->ring_mask;
+
+       while (nr_pkts--) {
+               struct bnxt_sw_tx_bd *tx_buf;
+               struct rte_mbuf *mbuf;
+
+               cons = raw_cons++ & ring_mask;
+               tx_buf = &txr->tx_buf_ring[cons];
+               mbuf = rte_pktmbuf_prefree_seg(tx_buf->mbuf);
+               if (unlikely(mbuf == NULL))
+                       continue;
+               tx_buf->mbuf = NULL;
+
+               if (blk && mbuf->pool != free[0]->pool) {
+                       rte_mempool_put_bulk(free[0]->pool, (void **)free, blk);
+                       blk = 0;
+               }
+               free[blk++] = mbuf;
+       }
+       if (blk)
+               rte_mempool_put_bulk(free[0]->pool, (void **)free, blk);
+
+       txr->tx_raw_cons = raw_cons;
+}
 #endif /* _BNXT_RXTX_VEC_COMMON_H_ */