diff options
| author | Jamal Hadi Salim <jhs@mojatatu.com> | 2015-05-02 08:19:43 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-05-04 19:16:12 +0300 |
| commit | c19ae86a510cf4332af64caab04718bc853d3184 (patch) | |
| tree | 74305e210561ea13164c39a9238ffbda8241ea37 /net | |
| parent | 4256af62c44b40ffd1c218ad85fc8fd4234d1736 (diff) | |
| download | linux-c19ae86a510cf4332af64caab04718bc853d3184.tar.xz | |
tc: remove unused redirect ttl
improves ingress+u32 performance from 22.4 Mpps to 22.9 Mpps
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Acked-by: Florian Westphal <fw@strlen.de>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/dev.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 74a5b62f7568..862875ec8f2f 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3531,18 +3531,9 @@ EXPORT_SYMBOL_GPL(br_fdb_test_addr_hook); */ static int ing_filter(struct sk_buff *skb, struct netdev_queue *rxq) { - struct net_device *dev = skb->dev; - u32 ttl = G_TC_RTTL(skb->tc_verd); int result = TC_ACT_OK; struct Qdisc *q; - if (unlikely(MAX_RED_LOOP < ttl++)) { - net_warn_ratelimited("Redir loop detected Dropping packet (%d->%d)\n", - skb->skb_iif, dev->ifindex); - return TC_ACT_SHOT; - } - - skb->tc_verd = SET_TC_RTTL(skb->tc_verd, ttl); skb->tc_verd = SET_TC_AT(skb->tc_verd, AT_INGRESS); q = rcu_dereference(rxq->qdisc); |