Files
linux/net
Florian Westphal bbfbf7a5e7 Revert "netfilter: conntrack: mark UDP zero checksum as CHECKSUM_UNNECESSARY"
This reverts commit 5bed9f3f63.

Gal Presman says:
 this patch broke geneve tunnels, or possibly all udp tunnels?
 A simple test that creates two geneve tunnels and runs tcp iperf fails
 and results in checksum errors (TcpInCsumErrors).

Original commit wanted to fix nf_reject with zero checksum,
so it appears better to change nf reject infra instead.

Fixes: 5bed9f3f63 ("netfilter: conntrack: mark UDP zero checksum as CHECKSUM_UNNECESSARY")
Reported-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2022-03-03 13:35:22 +01:00
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