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netfilter: flowtable: remove nf_ct_l4proto_find() call

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TCP and UDP are built-in conntrack protocol trackers and the flowtable
only supports for TCP and UDP, remove this call.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2021-07-19 18:04:01 +02:00
parent 241d1af4c1
commit 92fb15513e
1 changed files with 0 additions and 10 deletions
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10
net/netfilter/nf_flow_table_core.c
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@ -180,15 +180,10 @@ static void flow_offload_fixup_tcp(struct ip_ct_tcp *tcp)
static void flow_offload_fixup_ct_timeout(struct nf_conn *ct)
{
const struct nf_conntrack_l4proto *l4proto;
struct net *net = nf_ct_net(ct);
int l4num = nf_ct_protonum(ct);
unsigned int timeout;
l4proto = nf_ct_l4proto_find(l4num);
if (!l4proto)
return;
if (l4num == IPPROTO_TCP) {
struct nf_tcp_net *tn = nf_tcp_pernet(net);
@ -273,15 +268,10 @@ static const struct rhashtable_params nf_flow_offload_rhash_params = {
unsigned long flow_offload_get_timeout(struct flow_offload *flow)
{
const struct nf_conntrack_l4proto *l4proto;
unsigned long timeout = NF_FLOW_TIMEOUT;
struct net *net = nf_ct_net(flow->ct);
int l4num = nf_ct_protonum(flow->ct);
l4proto = nf_ct_l4proto_find(l4num);
if (!l4proto)
return timeout;
if (l4num == IPPROTO_TCP) {
struct nf_tcp_net *tn = nf_tcp_pernet(net);