Re: [PATCH] Sloppy TCP, SH rebalancing, SHP scheduling

[Julian Anastasov <ja@xxxxxx>]

	Hello,

On Tue, 11 Jun 2013, Alexander Frolkin wrote:

> diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
> index 8646488..9b1867b 100644
> --- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
> +++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
> @@ -15,6 +15,7 @@ sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
>  {
>  	struct net *net;
>  	struct ip_vs_service *svc;
> +	struct netns_ipvs *ipvs;
>  	sctp_chunkhdr_t _schunkh, *sch;
>  	sctp_sctphdr_t *sh, _sctph;
>  
> @@ -27,13 +28,15 @@ sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
>  	if (sch == NULL)
>  		return 0;
>  	net = skb_net(skb);
> +	ipvs = net_ipvs(net);
>  	rcu_read_lock();
> -	if ((sch->type == SCTP_CID_INIT) &&
> +	if ((sysctl_sloppy_sctp(ipvs) ||
> +	    (sch->type == SCTP_CID_INIT)) &&

	Above change can be (all on same line):

-	if ((sch->type == SCTP_CID_INIT) &&
+	if ((sysctl_sloppy_sctp(ipvs) || sch->type == SCTP_CID_INIT) &&

> I haven't touched the SCTP state tables yet.

	Here is the SCTP part we can use:

diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index 8646488..ae61212 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -232,21 +234,21 @@ static struct ipvs_sctp_nextstate
 	 * STATE : IP_VS_SCTP_S_NONE
 	 */
 	/*next state *//*event */
-	{{IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_CLI */ },
+	{{IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_DATA_CLI */ },
 	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_SER */ },
 	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
 	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
+	 {IP_VS_SCTP_S_INIT_ACK_CLI /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
 	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
+	 {IP_VS_SCTP_S_ECHO_CLI /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
 	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ECHO_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
+	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
 	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
 	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
 	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_CLI */ },
+	 {IP_VS_SCTP_S_SHUT_CLI /* IP_VS_SCTP_EVE_SHUT_CLI */ },
 	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
+	 {IP_VS_SCTP_S_SHUT_ACK_CLI /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
 	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
 	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
 	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ },
 
	You can continue with an official submission with
all these changes. Subject should be in such format:

[PATCH] ipvs: ...

	You can check Documentation/SubmittingPatches

	For example:

[PATCH] ipvs: sloppy TCP and SCTP

Regards

--
Julian Anastasov <ja@xxxxxx>
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