diff options
| -rw-r--r-- | include/linux/netfilter/nf_conntrack_common.h | 4 | ||||
| -rw-r--r-- | net/ipv4/netfilter/ip_conntrack_core.c | 6 | ||||
| -rw-r--r-- | net/netfilter/nf_conntrack_core.c | 6 |
3 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/netfilter/nf_conntrack_common.h b/include/linux/netfilter/nf_conntrack_common.h index 3ff88c8..d2e4bd7 100644 --- a/include/linux/netfilter/nf_conntrack_common.h +++ b/include/linux/netfilter/nf_conntrack_common.h @@ -69,6 +69,10 @@ enum ip_conntrack_status { /* Connection is dying (removed from lists), can not be unset. */ IPS_DYING_BIT = 9, IPS_DYING = (1 << IPS_DYING_BIT), + + /* Connection has fixed timeout. */ + IPS_FIXED_TIMEOUT_BIT = 10, + IPS_FIXED_TIMEOUT = (1 << IPS_FIXED_TIMEOUT_BIT), }; /* Connection tracking event bits */ diff --git a/net/ipv4/netfilter/ip_conntrack_core.c b/net/ipv4/netfilter/ip_conntrack_core.c index a297da7..4fe9e69 100644 --- a/net/ipv4/netfilter/ip_conntrack_core.c +++ b/net/ipv4/netfilter/ip_conntrack_core.c @@ -1130,6 +1130,12 @@ void __ip_ct_refresh_acct(struct ip_conntrack *ct, write_lock_bh(&ip_conntrack_lock); + /* Only update if this is not a fixed timeout */ + if (test_bit(IPS_FIXED_TIMEOUT_BIT, &ct->status)) { + write_unlock_bh(&ip_conntrack_lock); + return; + } + /* If not in hash table, timer will not be active yet */ if (!is_confirmed(ct)) { ct->timeout.expires = extra_jiffies; diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index f9b83f9..bc2bd4c 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1396,6 +1396,12 @@ void __nf_ct_refresh_acct(struct nf_conn *ct, write_lock_bh(&nf_conntrack_lock); + /* Only update if this is not a fixed timeout */ + if (test_bit(IPS_FIXED_TIMEOUT_BIT, &ct->status)) { + write_unlock_bh(&nf_conntrack_lock); + return; + } + /* If not in hash table, timer will not be active yet */ if (!nf_ct_is_confirmed(ct)) { ct->timeout.expires = extra_jiffies; |
