[PATCH v2 4/9] driver/virtio:fill virtio device info for TX offload
From: Jijiang Liu <hidden>
Date: 2015-10-30 13:01:00
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Fill virtio device info for TX offload. Signed-off-by: Jijiang Liu <redacted> --- drivers/net/virtio/virtio_ethdev.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index cb5dfee..b831c02 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c@@ -1559,6 +1559,16 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) dev_info->default_txconf = (struct rte_eth_txconf) { .txq_flags = ETH_TXQ_FLAGS_NOOFFLOADS }; + + if (hw->guest_features & (1u << VIRTIO_NET_F_CSUM)) + dev_info->tx_offload_capa = DEV_TX_OFFLOAD_IPV4_CKSUM | + DEV_TX_OFFLOAD_UDP_CKSUM | + DEV_TX_OFFLOAD_TCP_CKSUM | + DEV_TX_OFFLOAD_SCTP_CKSUM; + + if ((hw->guest_features & (1u << VIRTIO_NET_F_HOST_TSO4)) || + (hw->guest_features & (1u << VIRTIO_NET_F_HOST_TSO6))) + dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO; } /*
--
1.7.7.6