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[PATCH next 61/84] ipvs: Pass ipvs into .conn_in_get and ip_vs_conn_in_g

To: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>, David Miller <davem@xxxxxxxxxxxxx>, Simon Horman <horms@xxxxxxxxxxxx>
Subject: [PATCH next 61/84] ipvs: Pass ipvs into .conn_in_get and ip_vs_conn_in_get_proto
Cc: netfilter-devel@xxxxxxxxxxxxxxx, <netdev@xxxxxxxxxxxxxxx>, Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx>, lvs-devel@xxxxxxxxxxxxxxx
From: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Date: Sun, 20 Sep 2015 01:23:17 -0500
Stop relying on "net_ipvs(skb_net(skb))" to dreive the ipvs as
skb_net is a hack.

Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
---
 include/net/ip_vs.h                     | 6 ++++--
 net/netfilter/ipvs/ip_vs_conn.c         | 4 ++--
 net/netfilter/ipvs/ip_vs_core.c         | 8 ++++----
 net/netfilter/ipvs/ip_vs_proto_ah_esp.c | 3 +--
 4 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index fe3373c9bb3b..5c26383542e3 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -493,7 +493,8 @@ struct ip_vs_protocol {
                             struct ip_vs_iphdr *iph);
 
        struct ip_vs_conn *
-       (*conn_in_get)(int af,
+       (*conn_in_get)(struct netns_ipvs *ipvs,
+                      int af,
                       const struct sk_buff *skb,
                       const struct ip_vs_iphdr *iph);
 
@@ -1222,7 +1223,8 @@ static inline void ip_vs_conn_fill_param(struct 
netns_ipvs *ipvs, int af, int pr
 struct ip_vs_conn *ip_vs_conn_in_get(const struct ip_vs_conn_param *p);
 struct ip_vs_conn *ip_vs_ct_in_get(const struct ip_vs_conn_param *p);
 
-struct ip_vs_conn * ip_vs_conn_in_get_proto(int af, const struct sk_buff *skb,
+struct ip_vs_conn * ip_vs_conn_in_get_proto(struct netns_ipvs *ipvs, int af,
+                                           const struct sk_buff *skb,
                                            const struct ip_vs_iphdr *iph);
 
 struct ip_vs_conn *ip_vs_conn_out_get(const struct ip_vs_conn_param *p);
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 3b1f57af739a..b27b06eb693c 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -335,10 +335,10 @@ ip_vs_conn_fill_param_proto(struct netns_ipvs *ipvs,
 }
 
 struct ip_vs_conn *
-ip_vs_conn_in_get_proto(int af, const struct sk_buff *skb,
+ip_vs_conn_in_get_proto(struct netns_ipvs *ipvs, int af,
+                       const struct sk_buff *skb,
                        const struct ip_vs_iphdr *iph)
 {
-       struct netns_ipvs *ipvs = net_ipvs(skb_net(skb));
        struct ip_vs_conn_param p;
 
        if (ip_vs_conn_fill_param_proto(ipvs, af, skb, iph, &p))
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 01398eb757fa..9b5c2af7b63a 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -469,7 +469,7 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff 
*skb,
         */
        if ((!skb->dev || skb->dev->flags & IFF_LOOPBACK)) {
                iph->hdr_flags ^= IP_VS_HDR_INVERSE;
-               cp = pp->conn_in_get(svc->af, skb, iph);
+               cp = pp->conn_in_get(svc->ipvs, svc->af, skb, iph);
                iph->hdr_flags ^= IP_VS_HDR_INVERSE;
 
                if (cp) {
@@ -1490,7 +1490,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned 
int hooknum)
        /* The embedded headers contain source and dest in reverse order.
         * For IPIP this is error for request, not for reply.
         */
-       cp = pp->conn_in_get(AF_INET, skb, &ciph);
+       cp = pp->conn_in_get(ipvs, AF_INET, skb, &ciph);
 
        if (!cp) {
                int v;
@@ -1648,7 +1648,7 @@ static int ip_vs_in_icmp_v6(struct sk_buff *skb, int 
*related,
        /* The embedded headers contain source and dest in reverse order
         * if not from localhost
         */
-       cp = pp->conn_in_get(AF_INET6, skb, &ciph);
+       cp = pp->conn_in_get(ipvs, AF_INET6, skb, &ciph);
 
        if (!cp) {
                int v;
@@ -1780,7 +1780,7 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int 
af)
        /*
         * Check if the packet belongs to an existing connection entry
         */
-       cp = pp->conn_in_get(af, skb, &iph);
+       cp = pp->conn_in_get(ipvs, af, skb, &iph);
 
        conn_reuse_mode = sysctl_conn_reuse_mode(ipvs);
        if (conn_reuse_mode && !iph.fragoffs &&
diff --git a/net/netfilter/ipvs/ip_vs_proto_ah_esp.c 
b/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
index 406d9a433d92..a96d93d11807 100644
--- a/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
@@ -56,12 +56,11 @@ ah_esp_conn_fill_param_proto(struct netns_ipvs *ipvs, int 
af,
 }
 
 static struct ip_vs_conn *
-ah_esp_conn_in_get(int af, const struct sk_buff *skb,
+ah_esp_conn_in_get(struct netns_ipvs *ipvs, int af, const struct sk_buff *skb,
                   const struct ip_vs_iphdr *iph)
 {
        struct ip_vs_conn *cp;
        struct ip_vs_conn_param p;
-       struct netns_ipvs *ipvs = net_ipvs(skb_net(skb));
 
        ah_esp_conn_fill_param_proto(ipvs, af, iph, &p);
        cp = ip_vs_conn_in_get(&p);
-- 
2.2.1

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