diff options
Diffstat (limited to 'dpdk/dpdk-v18.11_patches/0009-net-virtio-fill-desc-limit.patch')
| -rw-r--r-- | dpdk/dpdk-v18.11_patches/0009-net-virtio-fill-desc-limit.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/dpdk/dpdk-v18.11_patches/0009-net-virtio-fill-desc-limit.patch b/dpdk/dpdk-v18.11_patches/0009-net-virtio-fill-desc-limit.patch new file mode 100644 index 0000000..146ea88 --- /dev/null +++ b/dpdk/dpdk-v18.11_patches/0009-net-virtio-fill-desc-limit.patch @@ -0,0 +1,42 @@ +commit 470acd1b108f20ae12b1216c9f6157b78655bcc7 +Author: Jianfeng Tan <henry.tjf@antfin.com> +Date: Wed Dec 12 02:14:03 2018 +0000 + + net/virtio: fill desc limit + + We shall fill desc limit accordingly, or APIs, such as + rte_eth_dev_adjust_nb_rx_tx_desc, will not give correct desc + information. + + Signed-off-by: Jianfeng Tan <henry.tjf@antfin.com> + +diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c +index dbfa6865c..d369d5ce8 100644 +--- a/drivers/net/virtio/virtio_ethdev.c ++++ b/drivers/net/virtio/virtio_ethdev.c +@@ -2172,6 +2172,7 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) + { + uint64_t tso_mask, host_features; + struct virtio_hw *hw = dev->data->dev_private; ++ struct virtqueue *vq; + + dev_info->speed_capa = ETH_LINK_SPEED_10G; /* fake value */ + +@@ -2209,6 +2210,17 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) + (1ULL << VIRTIO_NET_F_HOST_TSO6); + if ((host_features & tso_mask) == tso_mask) + dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO; ++ ++ ++ if (hw->vqs) { ++ vq = hw->vqs[VTNET_SQ_RQ_QUEUE_IDX]; ++ dev_info->rx_desc_lim.nb_max = vq->vq_nentries; ++ dev_info->rx_desc_lim.nb_min = 256; ++ ++ vq = hw->vqs[VTNET_SQ_TQ_QUEUE_IDX]; ++ dev_info->tx_desc_lim.nb_max = vq->vq_nentries; ++ dev_info->tx_desc_lim.nb_min = 256; ++ } + } + + /* |