From: Harold Huang <baymaxhuang@gmail.com>
To: dev@dpdk.org
Cc: Harold Huang <baymaxhuang@gmail.com>,
Maxime Coquelin <maxime.coquelin@redhat.com>,
Chenbo Xia <chenbo.xia@intel.com>
Subject: [PATCH] net/virtio: include ipv4 cksum to support cksum offload capability
Date: Fri, 7 Jan 2022 19:53:12 +0800 [thread overview]
Message-ID: <20220107115312.280036-1-baymaxhuang@gmail.com> (raw)
Device cksum offload capability usually include ipv4 cksum, tcp and udp
cksum offload capability. The application such as OVS usually negotiate
with the drive like this to enable cksum offload.
Signed-off-by: Harold Huang <baymaxhuang@gmail.com>
---
drivers/net/virtio/virtio_ethdev.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index c2588369b2..65b03bf0e4 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -3041,6 +3041,7 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
dev_info->rx_offload_capa |= RTE_ETH_RX_OFFLOAD_SCATTER;
if (host_features & (1ULL << VIRTIO_NET_F_GUEST_CSUM)) {
dev_info->rx_offload_capa |=
+ RTE_ETH_RX_OFFLOAD_IPV4_CKSUM |
RTE_ETH_RX_OFFLOAD_TCP_CKSUM |
RTE_ETH_RX_OFFLOAD_UDP_CKSUM;
}
@@ -3055,6 +3056,7 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
RTE_ETH_TX_OFFLOAD_VLAN_INSERT;
if (host_features & (1ULL << VIRTIO_NET_F_CSUM)) {
dev_info->tx_offload_capa |=
+ RTE_ETH_TX_OFFLOAD_IPV4_CKSUM |
RTE_ETH_TX_OFFLOAD_UDP_CKSUM |
RTE_ETH_TX_OFFLOAD_TCP_CKSUM;
}
--
2.27.0
next reply other threads:[~2022-01-07 11:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-07 11:53 Harold Huang [this message]
2022-01-31 10:03 ` Maxime Coquelin
2022-02-07 2:54 ` Harold Huang
2022-02-15 20:08 ` David Marchand
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