net: Use hton[sl]() instead of __constant_hton[sl]() where applicable

[safe/jmp/linux-2.6] / net / ipv4 / ipvs / ip_vs_app.c

diff --git a/net/ipv4/ipvs/ip_vs_app.c b/net/ipv4/ipvs/ip_vs_app.c
index 15ad5dd..201b8ea 100644 (file)
--- a/net/ipv4/ipvs/ip_vs_app.c
+++ b/net/ipv4/ipvs/ip_vs_app.c
@@ -1,8 +1,6 @@
 /*
  * ip_vs_app.c: Application module support for IPVS
  *
- * Version:     $Id: ip_vs_app.c,v 1.17 2003/03/22 06:31:21 wensong Exp $
- *
  * Authors:     Wensong Zhang <wensong@linuxvirtualserver.org>
  *
  *              This program is free software; you can redistribute it and/or
@@ -25,6 +23,8 @@
 #include <linux/skbuff.h>
 #include <linux/in.h>
 #include <linux/ip.h>
+#include <linux/netfilter.h>
+#include <net/net_namespace.h>
 #include <net/protocol.h>
 #include <net/tcp.h>
 #include <asm/system.h>
@@ -49,18 +49,13 @@ static DEFINE_MUTEX(__ip_vs_app_mutex);
  */
 static inline int ip_vs_app_get(struct ip_vs_app *app)
 {
-       /* test and get the module atomically */
-       if (app->module)
-               return try_module_get(app->module);
-       else
-               return 1;
+       return try_module_get(app->module);
 }
 
 
 static inline void ip_vs_app_put(struct ip_vs_app *app)
 {
-       if (app->module)
-               module_put(app->module);
+       module_put(app->module);
 }
 
 
@@ -327,18 +322,18 @@ static inline void vs_seq_update(struct ip_vs_conn *cp, struct ip_vs_seq *vseq,
        spin_unlock(&cp->lock);
 }
 
-static inline int app_tcp_pkt_out(struct ip_vs_conn *cp, struct sk_buff **pskb,
+static inline int app_tcp_pkt_out(struct ip_vs_conn *cp, struct sk_buff *skb,
                                  struct ip_vs_app *app)
 {
        int diff;
-       const unsigned int tcp_offset = ip_hdrlen(*pskb);
+       const unsigned int tcp_offset = ip_hdrlen(skb);
        struct tcphdr *th;
        __u32 seq;
 
-       if (!ip_vs_make_skb_writable(pskb, tcp_offset + sizeof(*th)))
+       if (!skb_make_writable(skb, tcp_offset + sizeof(*th)))
                return 0;
 
-       th = (struct tcphdr *)(skb_network_header(*pskb) + tcp_offset);
+       th = (struct tcphdr *)(skb_network_header(skb) + tcp_offset);
 
        /*
         *      Remember seq number in case this pkt gets resized
@@ -359,7 +354,7 @@ static inline int app_tcp_pkt_out(struct ip_vs_conn *cp, struct sk_buff **pskb,
        if (app->pkt_out == NULL)
                return 1;
 
-       if (!app->pkt_out(app, cp, pskb, &diff))
+       if (!app->pkt_out(app, cp, skb, &diff))
                return 0;
 
        /*
@@ -377,7 +372,7 @@ static inline int app_tcp_pkt_out(struct ip_vs_conn *cp, struct sk_buff **pskb,
  *     called by ipvs packet handler, assumes previously checked cp!=NULL
  *     returns false if it can't handle packet (oom)
  */
-int ip_vs_app_pkt_out(struct ip_vs_conn *cp, struct sk_buff **pskb)
+int ip_vs_app_pkt_out(struct ip_vs_conn *cp, struct sk_buff *skb)
 {
        struct ip_vs_app *app;
 
@@ -390,7 +385,7 @@ int ip_vs_app_pkt_out(struct ip_vs_conn *cp, struct sk_buff **pskb)
 
        /* TCP is complicated */
        if (cp->protocol == IPPROTO_TCP)
-               return app_tcp_pkt_out(cp, pskb, app);
+               return app_tcp_pkt_out(cp, skb, app);
 
        /*
         *      Call private output hook function
@@ -398,22 +393,22 @@ int ip_vs_app_pkt_out(struct ip_vs_conn *cp, struct sk_buff **pskb)
        if (app->pkt_out == NULL)
                return 1;
 
-       return app->pkt_out(app, cp, pskb, NULL);
+       return app->pkt_out(app, cp, skb, NULL);
 }
 
 
-static inline int app_tcp_pkt_in(struct ip_vs_conn *cp, struct sk_buff **pskb,
+static inline int app_tcp_pkt_in(struct ip_vs_conn *cp, struct sk_buff *skb,
                                 struct ip_vs_app *app)
 {
        int diff;
-       const unsigned int tcp_offset = ip_hdrlen(*pskb);
+       const unsigned int tcp_offset = ip_hdrlen(skb);
        struct tcphdr *th;
        __u32 seq;
 
-       if (!ip_vs_make_skb_writable(pskb, tcp_offset + sizeof(*th)))
+       if (!skb_make_writable(skb, tcp_offset + sizeof(*th)))
                return 0;
 
-       th = (struct tcphdr *)(skb_network_header(*pskb) + tcp_offset);
+       th = (struct tcphdr *)(skb_network_header(skb) + tcp_offset);
 
        /*
         *      Remember seq number in case this pkt gets resized
@@ -434,7 +429,7 @@ static inline int app_tcp_pkt_in(struct ip_vs_conn *cp, struct sk_buff **pskb,
        if (app->pkt_in == NULL)
                return 1;
 
-       if (!app->pkt_in(app, cp, pskb, &diff))
+       if (!app->pkt_in(app, cp, skb, &diff))
                return 0;
 
        /*
@@ -452,7 +447,7 @@ static inline int app_tcp_pkt_in(struct ip_vs_conn *cp, struct sk_buff **pskb,
  *     called by ipvs packet handler, assumes previously checked cp!=NULL.
  *     returns false if can't handle packet (oom).
  */
-int ip_vs_app_pkt_in(struct ip_vs_conn *cp, struct sk_buff **pskb)
+int ip_vs_app_pkt_in(struct ip_vs_conn *cp, struct sk_buff *skb)
 {
        struct ip_vs_app *app;
 
@@ -465,7 +460,7 @@ int ip_vs_app_pkt_in(struct ip_vs_conn *cp, struct sk_buff **pskb)
 
        /* TCP is complicated */
        if (cp->protocol == IPPROTO_TCP)
-               return app_tcp_pkt_in(cp, pskb, app);
+               return app_tcp_pkt_in(cp, skb, app);
 
        /*
         *      Call private input hook function
@@ -473,7 +468,7 @@ int ip_vs_app_pkt_in(struct ip_vs_conn *cp, struct sk_buff **pskb)
        if (app->pkt_in == NULL)
                return 1;
 
-       return app->pkt_in(app, cp, pskb, NULL);
+       return app->pkt_in(app, cp, skb, NULL);
 }
 
 
@@ -549,7 +544,7 @@ static int ip_vs_app_seq_show(struct seq_file *seq, void *v)
        return 0;
 }
 
-static struct seq_operations ip_vs_app_seq_ops = {
+static const struct seq_operations ip_vs_app_seq_ops = {
        .start = ip_vs_app_seq_start,
        .next  = ip_vs_app_seq_next,
        .stop  = ip_vs_app_seq_stop,
@@ -613,15 +608,15 @@ int ip_vs_skb_replace(struct sk_buff *skb, gfp_t pri,
 }
 
 
-int ip_vs_app_init(void)
+int __init ip_vs_app_init(void)
 {
        /* we will replace it with proc_net_ipvs_create() soon */
-       proc_net_fops_create("ip_vs_app", 0, &ip_vs_app_fops);
+       proc_net_fops_create(&init_net, "ip_vs_app", 0, &ip_vs_app_fops);
        return 0;
 }
 
 
 void ip_vs_app_cleanup(void)
 {
-       proc_net_remove("ip_vs_app");
+       proc_net_remove(&init_net, "ip_vs_app");
 }