net: netfilter: add ether_type to net_device_path_ctx and use it

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Add an ether_type field to struct net_device_path_ctx to reject IPv4
over IPv6 and vice-versa, this is currently not support. Otherwise,
incorrect dst_entry family can be reached from datapath.

Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

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This commit is contained in:

Pablo Neira Ayuso 2026-08-06 23:09:06 +02:00

parent 95133a4168

commit 5592223f3d

4 changed files with 11 additions and 2 deletions

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1

include/linux/netdevice.h

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3

net/ipv4/ipip.c

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3

net/ipv6/ip6_tunnel.c

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6

net/netfilter/nf_flow_table_path.c

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