Re: [dpdk-dev] [PATCH v2] net/mlx5: zero out UDP csum for IPv6 encap headers

Hi, > -Original Message- > From: Viacheslav Ovsiienko > Sent: Thursday, July 4, 2019 2:16 PM > To: dev@dpdk.org > Cc: Raslan Darawsheh ; Eli Britstein > > Subject: [PATCH v2] net/mlx5: zero out UDP csum for IPv6 encap headers > > From: Eli Britstein > > Mellanox NICs do not support UD

[dpdk-dev] [PATCH v2] net/mlx5: zero out UDP csum for IPv6 encap headers

From: Eli Britstein Mellanox NICs do not support UDP checksum hardware tx offload over IPv6. This limitation becomes critical for UDP based tunnels like VXLAN. Beside the UDP checksum validity is required by IPv6 there is an option in Linux to allow accepting UDP zero sum (see udp6zerocsumrx in i