diff options
| author | Venkata Mohan Reddy <mohanreddykv@gmail.com> | 2010-02-18 12:31:05 +0100 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2010-02-18 12:31:05 +0100 |
| commit | 2906f66a5682e5670a5eefe991843689b8d8563f (patch) | |
| tree | dcbc3ef175c609d2fa32a8e7478eb0d17015c0a7 /net/netfilter/ipvs/ip_vs_sync.c | |
| parent | 477c608673526afc094be521086fed186c7ccf7d (diff) | |
ipvs: SCTP Trasport Loadbalancing Support
Enhance IPVS to load balance SCTP transport protocol packets. This is done
based on the SCTP rfc 4960. All possible control chunks have been taken
care. The state machine used in this code looks some what lengthy. I tried
to make the state machine easy to understand.
Signed-off-by: Venkata Mohan Reddy Koppula <mohanreddykv@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/netfilter/ipvs/ip_vs_sync.c')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_sync.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c index e177f0dc2084..8fb0ae616761 100644 --- a/net/netfilter/ipvs/ip_vs_sync.c +++ b/net/netfilter/ipvs/ip_vs_sync.c @@ -400,6 +400,11 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen) flags |= IP_VS_CONN_F_INACTIVE; else flags &= ~IP_VS_CONN_F_INACTIVE; + } else if (s->protocol == IPPROTO_SCTP) { + if (state != IP_VS_SCTP_S_ESTABLISHED) + flags |= IP_VS_CONN_F_INACTIVE; + else + flags &= ~IP_VS_CONN_F_INACTIVE; } cp = ip_vs_conn_new(AF_INET, s->protocol, (union nf_inet_addr *)&s->caddr, @@ -434,6 +439,15 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen) atomic_dec(&dest->inactconns); cp->flags &= ~IP_VS_CONN_F_INACTIVE; } + } else if ((cp->dest) && (cp->protocol == IPPROTO_SCTP) && + (cp->state != state)) { + dest = cp->dest; + if (!(cp->flags & IP_VS_CONN_F_INACTIVE) && + (state != IP_VS_SCTP_S_ESTABLISHED)) { + atomic_dec(&dest->activeconns); + atomic_inc(&dest->inactconns); + cp->flags &= ~IP_VS_CONN_F_INACTIVE; + } } if (opt) |