From 9ae5ab3c359d7fda63da1a80725a7f83670189df Mon Sep 17 00:00:00 2001 From: Jarno Rajahalme Date: Tue, 18 Mar 2014 16:32:45 -0700 Subject: [PATCH] datapath: Use TCP flags in the flow key for stats. We already extract the TCP flags for the key, might as well use that for stats. Signed-off-by: Jarno Rajahalme Signed-off-by: Pravin B Shelar --- datapath/flow.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/datapath/flow.c b/datapath/flow.c index e9a2a2725..30e0ab8c0 100644 --- a/datapath/flow.c +++ b/datapath/flow.c @@ -70,14 +70,12 @@ void ovs_flow_stats_update(struct sw_flow *flow, struct sk_buff *skb) stats = rcu_dereference(flow->stats[node]); - if ((flow->key.eth.type == htons(ETH_P_IP) || - flow->key.eth.type == htons(ETH_P_IPV6)) && - flow->key.ip.frag != OVS_FRAG_TYPE_LATER && - flow->key.ip.proto == IPPROTO_TCP && - likely(skb->len >= skb_transport_offset(skb) + sizeof(struct tcphdr))) { - tcp_flags = TCP_FLAGS_BE16(tcp_hdr(skb)); + if (likely(flow->key.ip.proto == IPPROTO_TCP)) { + if (likely(flow->key.eth.type == htons(ETH_P_IP))) + tcp_flags = flow->key.ipv4.tp.flags; + else if (likely(flow->key.eth.type == htons(ETH_P_IPV6))) + tcp_flags = flow->key.ipv6.tp.flags; } - /* Check if already have node-specific stats. */ if (likely(stats)) { spin_lock(&stats->lock); -- 2.43.0