diff options
Diffstat (limited to 'drivers/net/mlx5/mlx5_mr.c')
| -rw-r--r-- | drivers/net/mlx5/mlx5_mr.c | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/drivers/net/mlx5/mlx5_mr.c b/drivers/net/mlx5/mlx5_mr.c index f4b15d3f..442b2d23 100644 --- a/drivers/net/mlx5/mlx5_mr.c +++ b/drivers/net/mlx5/mlx5_mr.c @@ -342,8 +342,9 @@ mr_insert_dev_cache(struct rte_eth_dev *dev, struct mlx5_mr *mr) DRV_LOG(DEBUG, "port %u inserting MR(%p) to global cache", dev->data->port_id, (void *)mr); for (n = 0; n < mr->ms_bmp_n; ) { - struct mlx5_mr_cache entry = { 0, }; + struct mlx5_mr_cache entry; + memset(&entry, 0, sizeof(entry)); /* Find a contiguous chunk and advance the index. */ n = mr_find_next_chunk(mr, &entry, n); if (!entry.end) @@ -386,8 +387,9 @@ mr_lookup_dev_list(struct rte_eth_dev *dev, struct mlx5_mr_cache *entry, if (mr->ms_n == 0) continue; for (n = 0; n < mr->ms_bmp_n; ) { - struct mlx5_mr_cache ret = { 0, }; + struct mlx5_mr_cache ret; + memset(&ret, 0, sizeof(ret)); n = mr_find_next_chunk(mr, &ret, n); if (addr >= ret.start && addr < ret.end) { /* Found. */ @@ -570,7 +572,7 @@ mlx5_mr_create(struct rte_eth_dev *dev, struct mlx5_mr_cache *entry, * Find out a contiguous virtual address chunk in use, to which the * given address belongs, in order to register maximum range. In the * best case where mempools are not dynamically recreated and - * '--socket-mem' is speicified as an EAL option, it is very likely to + * '--socket-mem' is specified as an EAL option, it is very likely to * have only one MR(LKey) per a socket and per a hugepage-size even * though the system memory is highly fragmented. */ @@ -688,8 +690,9 @@ alloc_resources: */ for (n = 0; n < ms_n; ++n) { uintptr_t start; - struct mlx5_mr_cache ret = { 0, }; + struct mlx5_mr_cache ret; + memset(&ret, 0, sizeof(ret)); start = data_re.start + n * msl->page_sz; /* Exclude memsegs already registered by other MRs. */ if (mr_lookup_dev(dev, &ret, start) == UINT32_MAX) { @@ -1042,7 +1045,7 @@ mlx5_rx_addr2mr_bh(struct mlx5_rxq_data *rxq, uintptr_t addr) * @return * Searched LKey on success, UINT32_MAX on no match. */ -uint32_t +static uint32_t mlx5_tx_addr2mr_bh(struct mlx5_txq_data *txq, uintptr_t addr) { struct mlx5_txq_ctrl *txq_ctrl = @@ -1057,6 +1060,32 @@ mlx5_tx_addr2mr_bh(struct mlx5_txq_data *txq, uintptr_t addr) } /** + * Bottom-half of LKey search on Tx. If it can't be searched in the memseg + * list, register the mempool of the mbuf as externally allocated memory. + * + * @param txq + * Pointer to Tx queue structure. + * @param mb + * Pointer to mbuf. + * + * @return + * Searched LKey on success, UINT32_MAX on no match. + */ +uint32_t +mlx5_tx_mb2mr_bh(struct mlx5_txq_data *txq, struct rte_mbuf *mb) +{ + uintptr_t addr = (uintptr_t)mb->buf_addr; + uint32_t lkey; + + lkey = mlx5_tx_addr2mr_bh(txq, addr); + if (lkey == UINT32_MAX && rte_errno == ENXIO) { + /* Mempool may have externally allocated memory. */ + return mlx5_tx_update_ext_mp(txq, addr, mlx5_mb2mp(mb)); + } + return lkey; +} + +/** * Flush all of the local cache entries. * * @param mr_ctrl |