diff options
| author |   Octavian Purdila <opurdila@ixiacom.com> | 2009-12-26 11:51:04 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2009-12-26 20:43:57 -0800 |
| commit | 6d2e3ea284463d5ab34e9cf2a41d0b8627b95d02 (patch) | |
| tree | 86ee780b06adfe388ac64dd66ece598be69b29ec /net/llc/llc_sap.c | |
| parent | llc: optimize multicast delivery (diff) | |
| download | linux-dev-6d2e3ea284463d5ab34e9cf2a41d0b8627b95d02.tar.xz linux-dev-6d2e3ea284463d5ab34e9cf2a41d0b8627b95d02.zip | |
llc: use a device based hash table to speed up multicast delivery
This patch adds a per SAP device based hash table to solve the
multicast delivery scalability issue when we have large number of
interfaces and a large number of sockets bound to the same SAP.
Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/llc/llc_sap.c')
| -rw-r--r-- | net/llc/llc_sap.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c index 94790e60d072..94cb706f6cc4 100644 --- a/net/llc/llc_sap.c +++ b/net/llc/llc_sap.c @@ -387,10 +387,14 @@ static void llc_sap_mcast(struct llc_sap *sap, { int i = 0, count = 256 / sizeof(struct sock *); struct sock *sk, *stack[count]; - struct hlist_nulls_node *node; + struct hlist_node *node; + struct llc_sock *llc; + struct hlist_head *dev_hb = llc_sk_dev_hash(sap, skb->dev->ifindex); spin_lock_bh(&sap->sk_lock); - sk_nulls_for_each_rcu(sk, node, &sap->sk_list) { + hlist_for_each_entry(llc, node, dev_hb, dev_hash_node) { + + sk = &llc->sk; if (!llc_mcast_match(sap, laddr, skb, sk)) continue; |