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| author | Jakub Kicinski <kuba@kernel.org> | 2026-03-14 18:38:08 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-03-14 18:38:08 +0300 |
| commit | bfeb2c029e7b6839928f5167b5c44ba41836d402 (patch) | |
| tree | d6a54821ca92fa539c8f1bf1113fe9b3f341abb5 /include | |
| parent | b58e3a2d014567a9092eb026fe677ff4bed5af38 (diff) | |
| parent | 045f977dd4ebdd3ad8e96cf684917adfc5805adb (diff) | |
| download | linux-bfeb2c029e7b6839928f5167b5c44ba41836d402.tar.xz | |
Merge branch 'net-add-skb_drop_reason_recursion_limit'
Eric Dumazet says:
====================
net: add SKB_DROP_REASON_RECURSION_LIMIT
Add a new drop reason : SKB_DROP_REASON_RECURSION_LIMIT
Used for packets dropped in a too deep virtual device chain,
from tunnels and __dev_queue_xmit()
__dev_queue_xmit() can also return SKB_DROP_REASON_DEV_READY
====================
Link: https://patch.msgid.link/20260312201824.203093-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/dropreason-core.h | 3 | ||||
| -rw-r--r-- | include/net/ip6_tunnel.h | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/include/net/dropreason-core.h b/include/net/dropreason-core.h index 5c8c2eb3d2c5..de61dd5dbfd9 100644 --- a/include/net/dropreason-core.h +++ b/include/net/dropreason-core.h @@ -123,6 +123,7 @@ FN(PFMEMALLOC) \ FN(PSP_INPUT) \ FN(PSP_OUTPUT) \ + FN(RECURSION_LIMIT) \ FNe(MAX) /** @@ -582,6 +583,8 @@ enum skb_drop_reason { SKB_DROP_REASON_PSP_INPUT, /** @SKB_DROP_REASON_PSP_OUTPUT: PSP output checks failed */ SKB_DROP_REASON_PSP_OUTPUT, + /** @SKB_DROP_REASON_RECURSION_LIMIT: Dead loop on virtual device. */ + SKB_DROP_REASON_RECURSION_LIMIT, /** * @SKB_DROP_REASON_MAX: the maximum of core drop reasons, which * shouldn't be used as a real 'reason' - only for tracing code gen diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h index 359b595f1df9..b99805ee2fd1 100644 --- a/include/net/ip6_tunnel.h +++ b/include/net/ip6_tunnel.h @@ -162,7 +162,7 @@ static inline void ip6tunnel_xmit(struct sock *sk, struct sk_buff *skb, dev->name); DEV_STATS_INC(dev, tx_errors); } - kfree_skb(skb); + kfree_skb_reason(skb, SKB_DROP_REASON_RECURSION_LIMIT); return; } |