diff options
Diffstat (limited to 'net/ipv4/ipvs')
| -rw-r--r-- | net/ipv4/ipvs/ip_vs_conn.c | 16 | ||||
| -rw-r--r-- | net/ipv4/ipvs/ip_vs_sync.c | 32 |
2 files changed, 41 insertions, 7 deletions
diff --git a/net/ipv4/ipvs/ip_vs_conn.c b/net/ipv4/ipvs/ip_vs_conn.c index 45a642edb93b..65f1ba112752 100644 --- a/net/ipv4/ipvs/ip_vs_conn.c +++ b/net/ipv4/ipvs/ip_vs_conn.c @@ -393,7 +393,15 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, struct ip_vs_dest *dest) atomic_inc(&dest->refcnt); /* Bind with the destination and its corresponding transmitter */ - cp->flags |= atomic_read(&dest->conn_flags); + if ((cp->flags & IP_VS_CONN_F_SYNC) && + (!(cp->flags & IP_VS_CONN_F_TEMPLATE))) + /* if the connection is not template and is created + * by sync, preserve the activity flag. + */ + cp->flags |= atomic_read(&dest->conn_flags) & + (~IP_VS_CONN_F_INACTIVE); + else + cp->flags |= atomic_read(&dest->conn_flags); cp->dest = dest; IP_VS_DBG(7, "Bind-dest %s c:%u.%u.%u.%u:%d v:%u.%u.%u.%u:%d " @@ -412,7 +420,11 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, struct ip_vs_dest *dest) /* It is a normal connection, so increase the inactive connection counter because it is in TCP SYNRECV state (inactive) or other protocol inacive state */ - atomic_inc(&dest->inactconns); + if ((cp->flags & IP_VS_CONN_F_SYNC) && + (!(cp->flags & IP_VS_CONN_F_INACTIVE))) + atomic_inc(&dest->activeconns); + else + atomic_inc(&dest->inactconns); } else { /* It is a persistent connection/template, so increase the peristent connection counter */ diff --git a/net/ipv4/ipvs/ip_vs_sync.c b/net/ipv4/ipvs/ip_vs_sync.c index 47b7f8f3ae79..948378d0a755 100644 --- a/net/ipv4/ipvs/ip_vs_sync.c +++ b/net/ipv4/ipvs/ip_vs_sync.c @@ -305,10 +305,11 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen) p = (char *)buffer + sizeof(struct ip_vs_sync_mesg); for (i=0; i<m->nr_conns; i++) { - unsigned flags; + unsigned flags, state; s = (struct ip_vs_sync_conn *)p; flags = ntohs(s->flags) | IP_VS_CONN_F_SYNC; + state = ntohs(s->state); if (!(flags & IP_VS_CONN_F_TEMPLATE)) cp = ip_vs_conn_in_get(s->protocol, s->caddr, s->cport, @@ -326,6 +327,13 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen) dest = ip_vs_find_dest(s->daddr, s->dport, s->vaddr, s->vport, s->protocol); + /* Set the approprite ativity flag */ + if (s->protocol == IPPROTO_TCP) { + if (state != IP_VS_TCP_S_ESTABLISHED) + flags |= IP_VS_CONN_F_INACTIVE; + else + flags &= ~IP_VS_CONN_F_INACTIVE; + } cp = ip_vs_conn_new(s->protocol, s->caddr, s->cport, s->vaddr, s->vport, @@ -337,7 +345,7 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen) IP_VS_ERR("ip_vs_conn_new failed\n"); return; } - cp->state = ntohs(s->state); + cp->state = state; } else if (!cp->dest) { dest = ip_vs_try_bind_dest(cp); if (!dest) { @@ -346,8 +354,22 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen) cp->flags = flags | IP_VS_CONN_F_HASHED; } else atomic_dec(&dest->refcnt); - } /* Note that we don't touch its state and flags - if it is a normal entry. */ + } else if ((cp->dest) && (cp->protocol == IPPROTO_TCP) && + (cp->state != state)) { + /* update active/inactive flag for the connection */ + dest = cp->dest; + if (!(cp->flags & IP_VS_CONN_F_INACTIVE) && + (state != IP_VS_TCP_S_ESTABLISHED)) { + atomic_dec(&dest->activeconns); + atomic_inc(&dest->inactconns); + cp->flags |= IP_VS_CONN_F_INACTIVE; + } else if ((cp->flags & IP_VS_CONN_F_INACTIVE) && + (state == IP_VS_TCP_S_ESTABLISHED)) { + atomic_inc(&dest->activeconns); + atomic_dec(&dest->inactconns); + cp->flags &= ~IP_VS_CONN_F_INACTIVE; + } + } if (flags & IP_VS_CONN_F_SEQ_MASK) { opt = (struct ip_vs_sync_conn_options *)&s[1]; @@ -357,7 +379,7 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen) p += SIMPLE_CONN_SIZE; atomic_set(&cp->in_pkts, sysctl_ip_vs_sync_threshold[0]); - cp->state = ntohs(s->state); + cp->state = state; pp = ip_vs_proto_get(s->protocol); cp->timeout = pp->timeout_table[cp->state]; ip_vs_conn_put(cp); |