net/virtio: move vring alignment to generic header

[dpdk.git] / drivers / net / bnxt / bnxt_rxtx_vec_common.h

diff --git a/drivers/net/bnxt/bnxt_rxtx_vec_common.h b/drivers/net/bnxt/bnxt_rxtx_vec_common.h
index 3da3c48..8a7772a 100644 (file)
--- a/drivers/net/bnxt/bnxt_rxtx_vec_common.h
+++ b/drivers/net/bnxt/bnxt_rxtx_vec_common.h
@@ -5,11 +5,9 @@
 
 #ifndef _BNXT_RXTX_VEC_COMMON_H_
 #define _BNXT_RXTX_VEC_COMMON_H_
-
-#define RTE_BNXT_MAX_RX_BURST          32
-#define RTE_BNXT_MAX_TX_BURST          32
-#define RTE_BNXT_RXQ_REARM_THRESH      32
-#define RTE_BNXT_DESCS_PER_LOOP                4
+#include "hsi_struct_def_dpdk.h"
+#include "bnxt_rxq.h"
+#include "bnxt_rxr.h"
 
 #define TX_BD_FLAGS_CMPL ((1 << TX_BD_LONG_FLAGS_BD_CNT_SFT) | \
                          TX_BD_SHORT_FLAGS_COAL_NOW | \
@@ -54,4 +52,105 @@ bnxt_rxq_vec_setup_common(struct bnxt_rx_queue *rxq)
        rxq->rxrearm_start = 0;
        return 0;
 }
+
+static inline void
+bnxt_rxq_rearm(struct bnxt_rx_queue *rxq, struct bnxt_rx_ring_info *rxr)
+{
+       struct rx_prod_pkt_bd *rxbds = &rxr->rx_desc_ring[rxq->rxrearm_start];
+       struct rte_mbuf **rx_bufs = &rxr->rx_buf_ring[rxq->rxrearm_start];
+       int nb, i;
+
+       /*
+        * Number of mbufs to allocate must be a multiple of four. The
+        * allocation must not go past the end of the ring.
+        */
+       nb = RTE_MIN(rxq->rxrearm_nb & ~0x3,
+                    rxq->nb_rx_desc - rxq->rxrearm_start);
+
+       /* Allocate new mbufs into the software ring. */
+       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;
+       }
+
+       /* Initialize the mbufs in vector, process 4 mbufs per loop. */
+       for (i = 0; i < nb; i += 4) {
+               rxbds[0].address = rte_mbuf_data_iova_default(rx_bufs[0]);
+               rxbds[1].address = rte_mbuf_data_iova_default(rx_bufs[1]);
+               rxbds[2].address = rte_mbuf_data_iova_default(rx_bufs[2]);
+               rxbds[3].address = rte_mbuf_data_iova_default(rx_bufs[3]);
+
+               rxbds += 4;
+               rx_bufs += 4;
+       }
+
+       rxq->rxrearm_start += nb;
+       bnxt_db_write(&rxr->rx_db, rxq->rxrearm_start - 1);
+       if (rxq->rxrearm_start >= rxq->nb_rx_desc)
+               rxq->rxrearm_start = 0;
+
+       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_ */