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net: dropreason: add SKB_DROP_REASON_IPV6_BAD_EXTHDR 

This drop reason can be used whenever an IPv6 packet
has a malformed extension header.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet 2023-02-10 18:47:05 +00:00 committed by Jakub Kicinski
parent 1a940b0001
commit dc68eaf2c2
1 changed files with 3 additions and 0 deletions
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3
include/net/dropreason.h
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@ -72,6 +72,7 @@
FN(FRAG_REASM_TIMEOUT) \
FN(FRAG_TOO_FAR) \
FN(TCP_MINTTL) \
FN(IPV6_BAD_EXTHDR) \
FNe(MAX)
/**
@ -318,6 +319,8 @@ enum skb_drop_reason {
* the threshold (IP_MINTTL or IPV6_MINHOPCOUNT).
*/
SKB_DROP_REASON_TCP_MINTTL,
/** @SKB_DROP_REASON_IPV6_BAD_EXTHDR: Bad IPv6 extension header. */
SKB_DROP_REASON_IPV6_BAD_EXTHDR,
/**
* @SKB_DROP_REASON_MAX: the maximum of drop reason, which shouldn't be
* used as a real 'reason'