udp: not remove the CRC flag from dev features when need_csum is false
In __skb_udp_tunnel_segment(), when it's a SCTP over VxLAN/GENEVE packet and need_csum is false, which means the outer udp checksum doesn't need to be computed, csum_start and csum_offset could be used by the inner SCTP CRC CSUM for SCTP HW CRC offload. So this patch is to not remove the CRC flag from dev features when need_csum is false. Signed-off-by:Xin Long <lucien.xin@gmail.com> Link: https://lore.kernel.org/r/1e81b700642498546eaa3f298e023fd7ad394f85.1610776757.git.lucien.xin@gmail.com Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
parent
7baf2429
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