diff options
Diffstat (limited to 'drivers/net/mlx4/mlx4_rxtx.h')
| -rw-r--r-- | drivers/net/mlx4/mlx4_rxtx.h | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/drivers/net/mlx4/mlx4_rxtx.h b/drivers/net/mlx4/mlx4_rxtx.h index ffa8abfc..1be060cd 100644 --- a/drivers/net/mlx4/mlx4_rxtx.h +++ b/drivers/net/mlx4/mlx4_rxtx.h @@ -163,6 +163,26 @@ void mlx4_tx_queue_release(void *dpdk_txq); void mlx4_mr_flush_local_cache(struct mlx4_mr_ctrl *mr_ctrl); uint32_t mlx4_rx_addr2mr_bh(struct rxq *rxq, uintptr_t addr); uint32_t mlx4_tx_addr2mr_bh(struct txq *txq, uintptr_t addr); +uint32_t mlx4_tx_update_ext_mp(struct txq *txq, uintptr_t addr, + struct rte_mempool *mp); + +/** + * Get Memory Pool (MP) from mbuf. If mbuf is indirect, the pool from which the + * cloned mbuf is allocated is returned instead. + * + * @param buf + * Pointer to mbuf. + * + * @return + * Memory pool where data is located for given mbuf. + */ +static struct rte_mempool * +mlx4_mb2mp(struct rte_mbuf *buf) +{ + if (unlikely(RTE_MBUF_INDIRECT(buf))) + return rte_mbuf_from_indirect(buf)->pool; + return buf->pool; +} /** * Query LKey from a packet buffer for Rx. No need to flush local caches for Rx @@ -222,6 +242,19 @@ mlx4_tx_addr2mr(struct txq *txq, uintptr_t addr) return mlx4_tx_addr2mr_bh(txq, addr); } -#define mlx4_tx_mb2mr(rxq, mb) mlx4_tx_addr2mr(rxq, (uintptr_t)((mb)->buf_addr)) +static __rte_always_inline uint32_t +mlx4_tx_mb2mr(struct txq *txq, struct rte_mbuf *mb) +{ + uintptr_t addr = (uintptr_t)mb->buf_addr; + uint32_t lkey = mlx4_tx_addr2mr(txq, addr); + + if (likely(lkey != UINT32_MAX)) + return lkey; + if (rte_errno == ENXIO) { + /* Mempool may have externally allocated memory. */ + lkey = mlx4_tx_update_ext_mp(txq, addr, mlx4_mb2mp(mb)); + } + return lkey; +} #endif /* MLX4_RXTX_H_ */ |