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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 /net/ipv4/ip_fragment.c | |
| parent | 4ecbb1c27c363686d11a241cd682a454a8454c2b (diff) | |
| download | linux-77adfd3a1d44c4730fd2af99b497e04ddc2b5837.tar.bz2 | |
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 'net/ipv4/ip_fragment.c')
| -rw-r--r-- | net/ipv4/ip_fragment.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 676bd8d25955..85e8113259c3 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -153,6 +153,7 @@ static void ip_expire(struct timer_list *t) if (qp->q.flags & INET_FRAG_COMPLETE) goto out; + qp->q.flags |= INET_FRAG_DROP; ipq_kill(qp); __IP_INC_STATS(net, IPSTATS_MIB_REASMFAILS); __IP_INC_STATS(net, IPSTATS_MIB_REASMTIMEOUT); @@ -194,7 +195,7 @@ out: spin_unlock(&qp->q.lock); out_rcu_unlock: rcu_read_unlock(); - kfree_skb(head); + kfree_skb_reason(head, SKB_DROP_REASON_FRAG_REASM_TIMEOUT); ipq_put(qp); } @@ -254,7 +255,8 @@ static int ip_frag_reinit(struct ipq *qp) return -ETIMEDOUT; } - sum_truesize = inet_frag_rbtree_purge(&qp->q.rb_fragments); + sum_truesize = inet_frag_rbtree_purge(&qp->q.rb_fragments, + SKB_DROP_REASON_NOT_SPECIFIED); sub_frag_mem_limit(qp->q.fqdir, sum_truesize); qp->q.flags = 0; |