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| author | Eric Dumazet <edumazet@google.com> | 2022-10-29 15:45:19 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-10-31 20:14:27 -0700 |
| commit | 77adfd3a1d44c4730fd2af99b497e04ddc2b5837 (patch) | |
| tree | eb26860a030aa1cdf4915654d8eef6b339625402 /include/net/inet_frag.h | |
| parent | 4ecbb1c27c363686d11a241cd682a454a8454c2b (diff) | |
| download | lwn-77adfd3a1d44c4730fd2af99b497e04ddc2b5837.tar.gz lwn-77adfd3a1d44c4730fd2af99b497e04ddc2b5837.zip | |
net: dropreason: add SKB_DROP_REASON_FRAG_REASM_TIMEOUT
Used to track skbs freed after a timeout happened
in a reassmbly unit.
Passing a @reason argument to inet_frag_rbtree_purge()
allows to use correct consumed status for frags
that have been successfully re-assembled.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/inet_frag.h')
| -rw-r--r-- | include/net/inet_frag.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h index 0b0876610553..b23ddec3cd5c 100644 --- a/include/net/inet_frag.h +++ b/include/net/inet_frag.h @@ -7,6 +7,7 @@ #include <linux/in6.h> #include <linux/rbtree_types.h> #include <linux/refcount.h> +#include <net/dropreason.h> /* Per netns frag queues directory */ struct fqdir { @@ -34,12 +35,14 @@ struct fqdir { * @INET_FRAG_LAST_IN: final fragment has arrived * @INET_FRAG_COMPLETE: frag queue has been processed and is due for destruction * @INET_FRAG_HASH_DEAD: inet_frag_kill() has not removed fq from rhashtable + * @INET_FRAG_DROP: if skbs must be dropped (instead of being consumed) */ enum { INET_FRAG_FIRST_IN = BIT(0), INET_FRAG_LAST_IN = BIT(1), INET_FRAG_COMPLETE = BIT(2), INET_FRAG_HASH_DEAD = BIT(3), + INET_FRAG_DROP = BIT(4), }; struct frag_v4_compare_key { @@ -139,7 +142,8 @@ void inet_frag_destroy(struct inet_frag_queue *q); struct inet_frag_queue *inet_frag_find(struct fqdir *fqdir, void *key); /* Free all skbs in the queue; return the sum of their truesizes. */ -unsigned int inet_frag_rbtree_purge(struct rb_root *root); +unsigned int inet_frag_rbtree_purge(struct rb_root *root, + enum skb_drop_reason reason); static inline void inet_frag_put(struct inet_frag_queue *q) { |