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authorGravatar Vlad Buslov <vladbu@nvidia.com> 2023-02-01 17:30:55 +0100
committerGravatar David S. Miller <davem@davemloft.net> 2023-02-03 09:31:24 +0000
commit0eb5acb16418898c3d813e2c2d59a7ea7763a824 (patch)
tree11b08fe17c967e94342fc718d5e60a30bf3bd202
parentnet: flow_offload: provision conntrack info in ct_metadata (diff)
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netfilter: flowtable: fixup UDP timeout depending on ct state
Currently flow_offload_fixup_ct() function assumes that only replied UDP connections can be offloaded and hardcodes UDP_CT_REPLIED timeout value. To enable UDP NEW connection offload in following patches extract the actual connections state from ct->status and set the timeout according to it. Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/netfilter/nf_flow_table_core.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c
index 81c26a96c30b..04bd0ed4d2ae 100644
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -193,8 +193,11 @@ static void flow_offload_fixup_ct(struct nf_conn *ct)
timeout -= tn->offload_timeout;
} else if (l4num == IPPROTO_UDP) {
struct nf_udp_net *tn = nf_udp_pernet(net);
+ enum udp_conntrack state =
+ test_bit(IPS_SEEN_REPLY_BIT, &ct->status) ?
+ UDP_CT_REPLIED : UDP_CT_UNREPLIED;
- timeout = tn->timeouts[UDP_CT_REPLIED];
+ timeout = tn->timeouts[state];
timeout -= tn->offload_timeout;
} else {
return;