Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next

Pablo Neira Ayuso says:

====================
Netfilter/IPVS updates for net-next

The following pull request contains Netfilter/IPVS updates for net-next
containing 90 patches from Eric Biederman.

The main goal of this batch is to avoid recurrent lookups for the netns
pointer, that happens over and over again in our Netfilter/IPVS code. The idea
consists of passing netns pointer from the hook state to the relevant functions
and objects where this may be needed.

You can find more information on the IPVS updates from Simon Horman's commit
merge message:

c3456026ad ("Merge tag 'ipvs2-for-v4.4' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs-next").

Exceptionally, this time, I'm not posting the patches again on netdev, Eric
already Cc'ed this mailing list in the original submission. If you need me to
make, just let me know.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

net/netfilter/ipvs/ip_vs_app.c

@@ -75,7 +75,7 @@ static void ip_vs_app_inc_rcu_free(struct rcu_head *head)
  *	Allocate/initialize app incarnation and register it in proto apps.
  */
 static int
-ip_vs_app_inc_new(struct net *net, struct ip_vs_app *app, __u16 proto,
+ip_vs_app_inc_new(struct netns_ipvs *ipvs, struct ip_vs_app *app, __u16 proto,
 		  __u16 port)
 {
 	struct ip_vs_protocol *pp;
@@ -107,7 +107,7 @@ ip_vs_app_inc_new(struct net *net, struct ip_vs_app *app, __u16 proto,
 		}
 	}
 
-	ret = pp->register_app(net, inc);
+	ret = pp->register_app(ipvs, inc);
 	if (ret)
 		goto out;
 
@@ -127,7 +127,7 @@ ip_vs_app_inc_new(struct net *net, struct ip_vs_app *app, __u16 proto,
  *	Release app incarnation
  */
 static void
-ip_vs_app_inc_release(struct net *net, struct ip_vs_app *inc)
+ip_vs_app_inc_release(struct netns_ipvs *ipvs, struct ip_vs_app *inc)
 {
 	struct ip_vs_protocol *pp;
 
@@ -135,7 +135,7 @@ ip_vs_app_inc_release(struct net *net, struct ip_vs_app *inc)
 		return;
 
 	if (pp->unregister_app)
-		pp->unregister_app(net, inc);
+		pp->unregister_app(ipvs, inc);
 
 	IP_VS_DBG(9, "%s App %s:%u unregistered\n",
 		  pp->name, inc->name, ntohs(inc->port));
@@ -175,14 +175,14 @@ void ip_vs_app_inc_put(struct ip_vs_app *inc)
  *	Register an application incarnation in protocol applications
  */
 int
-register_ip_vs_app_inc(struct net *net, struct ip_vs_app *app, __u16 proto,
+register_ip_vs_app_inc(struct netns_ipvs *ipvs, struct ip_vs_app *app, __u16 proto,
 		       __u16 port)
 {
 	int result;
 
 	mutex_lock(&__ip_vs_app_mutex);
 
-	result = ip_vs_app_inc_new(net, app, proto, port);
+	result = ip_vs_app_inc_new(ipvs, app, proto, port);
 
 	mutex_unlock(&__ip_vs_app_mutex);
 
@@ -191,15 +191,11 @@ register_ip_vs_app_inc(struct net *net, struct ip_vs_app *app, __u16 proto,
 
 
 /* Register application for netns */
-struct ip_vs_app *register_ip_vs_app(struct net *net, struct ip_vs_app *app)
+struct ip_vs_app *register_ip_vs_app(struct netns_ipvs *ipvs, struct ip_vs_app *app)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_app *a;
 	int err = 0;
 
-	if (!ipvs)
-		return ERR_PTR(-ENOENT);
-
 	mutex_lock(&__ip_vs_app_mutex);
 
 	list_for_each_entry(a, &ipvs->app_list, a_list) {
@@ -230,21 +226,17 @@ out_unlock:
  *	We are sure there are no app incarnations attached to services
  *	Caller should use synchronize_rcu() or rcu_barrier()
  */
-void unregister_ip_vs_app(struct net *net, struct ip_vs_app *app)
+void unregister_ip_vs_app(struct netns_ipvs *ipvs, struct ip_vs_app *app)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_app *a, *anxt, *inc, *nxt;
 
-	if (!ipvs)
-		return;
-
 	mutex_lock(&__ip_vs_app_mutex);
 
 	list_for_each_entry_safe(a, anxt, &ipvs->app_list, a_list) {
 		if (app && strcmp(app->name, a->name))
 			continue;
 		list_for_each_entry_safe(inc, nxt, &a->incs_list, a_list) {
-			ip_vs_app_inc_release(net, inc);
+			ip_vs_app_inc_release(ipvs, inc);
 		}
 
 		list_del(&a->a_list);
@@ -611,17 +603,19 @@ static const struct file_operations ip_vs_app_fops = {
 };
 #endif
 
-int __net_init ip_vs_app_net_init(struct net *net)
+int __net_init ip_vs_app_net_init(struct netns_ipvs *ipvs)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct net *net = ipvs->net;
 
 	INIT_LIST_HEAD(&ipvs->app_list);
 	proc_create("ip_vs_app", 0, net->proc_net, &ip_vs_app_fops);
 	return 0;
 }
 
-void __net_exit ip_vs_app_net_cleanup(struct net *net)
+void __net_exit ip_vs_app_net_cleanup(struct netns_ipvs *ipvs)
 {
-	unregister_ip_vs_app(net, NULL /* all */);
+	struct net *net = ipvs->net;
+
+	unregister_ip_vs_app(ipvs, NULL /* all */);
 	remove_proc_entry("ip_vs_app", net->proc_net);
 }

net/netfilter/ipvs/ip_vs_conn.c

@@ -108,7 +108,7 @@ static inline void ct_write_unlock_bh(unsigned int key)
 /*
  *	Returns hash value for IPVS connection entry
  */
-static unsigned int ip_vs_conn_hashkey(struct net *net, int af, unsigned int proto,
+static unsigned int ip_vs_conn_hashkey(struct netns_ipvs *ipvs, int af, unsigned int proto,
 				       const union nf_inet_addr *addr,
 				       __be16 port)
 {
@@ -116,11 +116,11 @@ static unsigned int ip_vs_conn_hashkey(struct net *net, int af, unsigned int pro
 	if (af == AF_INET6)
 		return (jhash_3words(jhash(addr, 16, ip_vs_conn_rnd),
 				    (__force u32)port, proto, ip_vs_conn_rnd) ^
-			((size_t)net>>8)) & ip_vs_conn_tab_mask;
+			((size_t)ipvs>>8)) & ip_vs_conn_tab_mask;
 #endif
 	return (jhash_3words((__force u32)addr->ip, (__force u32)port, proto,
 			    ip_vs_conn_rnd) ^
-		((size_t)net>>8)) & ip_vs_conn_tab_mask;
+		((size_t)ipvs>>8)) & ip_vs_conn_tab_mask;
 }
 
 static unsigned int ip_vs_conn_hashkey_param(const struct ip_vs_conn_param *p,
@@ -141,14 +141,14 @@ static unsigned int ip_vs_conn_hashkey_param(const struct ip_vs_conn_param *p,
 		port = p->vport;
 	}
 
-	return ip_vs_conn_hashkey(p->net, p->af, p->protocol, addr, port);
+	return ip_vs_conn_hashkey(p->ipvs, p->af, p->protocol, addr, port);
 }
 
 static unsigned int ip_vs_conn_hashkey_conn(const struct ip_vs_conn *cp)
 {
 	struct ip_vs_conn_param p;
 
-	ip_vs_conn_fill_param(ip_vs_conn_net(cp), cp->af, cp->protocol,
+	ip_vs_conn_fill_param(cp->ipvs, cp->af, cp->protocol,
 			      &cp->caddr, cp->cport, NULL, 0, &p);
 
 	if (cp->pe) {
@@ -279,7 +279,7 @@ __ip_vs_conn_in_get(const struct ip_vs_conn_param *p)
 		    ip_vs_addr_equal(p->af, p->vaddr, &cp->vaddr) &&
 		    ((!p->cport) ^ (!(cp->flags & IP_VS_CONN_F_NO_CPORT))) &&
 		    p->protocol == cp->protocol &&
-		    ip_vs_conn_net_eq(cp, p->net)) {
+		    cp->ipvs == p->ipvs) {
 			if (!__ip_vs_conn_get(cp))
 				continue;
 			/* HIT */
@@ -314,33 +314,34 @@ struct ip_vs_conn *ip_vs_conn_in_get(const struct ip_vs_conn_param *p)
 }
 
 static int
-ip_vs_conn_fill_param_proto(int af, const struct sk_buff *skb,
+ip_vs_conn_fill_param_proto(struct netns_ipvs *ipvs,
+			    int af, const struct sk_buff *skb,
 			    const struct ip_vs_iphdr *iph,
 			    struct ip_vs_conn_param *p)
 {
 	__be16 _ports[2], *pptr;
-	struct net *net = skb_net(skb);
 
 	pptr = frag_safe_skb_hp(skb, iph->len, sizeof(_ports), _ports, iph);
 	if (pptr == NULL)
 		return 1;
 
 	if (likely(!ip_vs_iph_inverse(iph)))
-		ip_vs_conn_fill_param(net, af, iph->protocol, &iph->saddr,
+		ip_vs_conn_fill_param(ipvs, af, iph->protocol, &iph->saddr,
 				      pptr[0], &iph->daddr, pptr[1], p);
 	else
-		ip_vs_conn_fill_param(net, af, iph->protocol, &iph->daddr,
+		ip_vs_conn_fill_param(ipvs, af, iph->protocol, &iph->daddr,
 				      pptr[1], &iph->saddr, pptr[0], p);
 	return 0;
 }
 
 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 ip_vs_conn_param p;
 
-	if (ip_vs_conn_fill_param_proto(af, skb, iph, &p))
+	if (ip_vs_conn_fill_param_proto(ipvs, af, skb, iph, &p))
 		return NULL;
 
 	return ip_vs_conn_in_get(&p);
@@ -359,7 +360,7 @@ struct ip_vs_conn *ip_vs_ct_in_get(const struct ip_vs_conn_param *p)
 
 	hlist_for_each_entry_rcu(cp, &ip_vs_conn_tab[hash], c_list) {
 		if (unlikely(p->pe_data && p->pe->ct_match)) {
-			if (!ip_vs_conn_net_eq(cp, p->net))
+			if (cp->ipvs != p->ipvs)
 				continue;
 			if (p->pe == cp->pe && p->pe->ct_match(p, cp)) {
 				if (__ip_vs_conn_get(cp))
@@ -377,7 +378,7 @@ struct ip_vs_conn *ip_vs_ct_in_get(const struct ip_vs_conn_param *p)
 		    p->vport == cp->vport && p->cport == cp->cport &&
 		    cp->flags & IP_VS_CONN_F_TEMPLATE &&
 		    p->protocol == cp->protocol &&
-		    ip_vs_conn_net_eq(cp, p->net)) {
+		    cp->ipvs == p->ipvs) {
 			if (__ip_vs_conn_get(cp))
 				goto out;
 		}
@@ -418,7 +419,7 @@ struct ip_vs_conn *ip_vs_conn_out_get(const struct ip_vs_conn_param *p)
 		    ip_vs_addr_equal(p->af, p->vaddr, &cp->caddr) &&
 		    ip_vs_addr_equal(p->af, p->caddr, &cp->daddr) &&
 		    p->protocol == cp->protocol &&
-		    ip_vs_conn_net_eq(cp, p->net)) {
+		    cp->ipvs == p->ipvs) {
 			if (!__ip_vs_conn_get(cp))
 				continue;
 			/* HIT */
@@ -439,12 +440,13 @@ struct ip_vs_conn *ip_vs_conn_out_get(const struct ip_vs_conn_param *p)
 }
 
 struct ip_vs_conn *
-ip_vs_conn_out_get_proto(int af, const struct sk_buff *skb,
+ip_vs_conn_out_get_proto(struct netns_ipvs *ipvs, int af,
+			 const struct sk_buff *skb,
 			 const struct ip_vs_iphdr *iph)
 {
 	struct ip_vs_conn_param p;
 
-	if (ip_vs_conn_fill_param_proto(af, skb, iph, &p))
+	if (ip_vs_conn_fill_param_proto(ipvs, af, skb, iph, &p))
 		return NULL;
 
 	return ip_vs_conn_out_get(&p);
@@ -638,7 +640,7 @@ void ip_vs_try_bind_dest(struct ip_vs_conn *cp)
 	 * so we can make the assumption that the svc_af is the same as the
 	 * dest_af
 	 */
-	dest = ip_vs_find_dest(ip_vs_conn_net(cp), cp->af, cp->af, &cp->daddr,
+	dest = ip_vs_find_dest(cp->ipvs, cp->af, cp->af, &cp->daddr,
 			       cp->dport, &cp->vaddr, cp->vport,
 			       cp->protocol, cp->fwmark, cp->flags);
 	if (dest) {
@@ -668,7 +670,7 @@ void ip_vs_try_bind_dest(struct ip_vs_conn *cp)
 #endif
 			ip_vs_bind_xmit(cp);
 
-		pd = ip_vs_proto_data_get(ip_vs_conn_net(cp), cp->protocol);
+		pd = ip_vs_proto_data_get(cp->ipvs, cp->protocol);
 		if (pd && atomic_read(&pd->appcnt))
 			ip_vs_bind_app(cp, pd->pp);
 	}
@@ -746,7 +748,7 @@ static int expire_quiescent_template(struct netns_ipvs *ipvs,
 int ip_vs_check_template(struct ip_vs_conn *ct)
 {
 	struct ip_vs_dest *dest = ct->dest;
-	struct netns_ipvs *ipvs = net_ipvs(ip_vs_conn_net(ct));
+	struct netns_ipvs *ipvs = ct->ipvs;
 
 	/*
 	 * Checking the dest server status.
@@ -800,8 +802,7 @@ static void ip_vs_conn_rcu_free(struct rcu_head *head)
 static void ip_vs_conn_expire(unsigned long data)
 {
 	struct ip_vs_conn *cp = (struct ip_vs_conn *)data;
-	struct net *net = ip_vs_conn_net(cp);
-	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct netns_ipvs *ipvs = cp->ipvs;
 
 	/*
 	 *	do I control anybody?
@@ -847,7 +848,7 @@ static void ip_vs_conn_expire(unsigned long data)
 	cp->timeout = 60*HZ;
 
 	if (ipvs->sync_state & IP_VS_STATE_MASTER)
-		ip_vs_sync_conn(net, cp, sysctl_sync_threshold(ipvs));
+		ip_vs_sync_conn(ipvs, cp, sysctl_sync_threshold(ipvs));
 
 	ip_vs_conn_put(cp);
 }
@@ -875,8 +876,8 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p, int dest_af,
 	       struct ip_vs_dest *dest, __u32 fwmark)
 {
 	struct ip_vs_conn *cp;
-	struct netns_ipvs *ipvs = net_ipvs(p->net);
-	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(p->net,
+	struct netns_ipvs *ipvs = p->ipvs;
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(p->ipvs,
 							   p->protocol);
 
 	cp = kmem_cache_alloc(ip_vs_conn_cachep, GFP_ATOMIC);
@@ -887,7 +888,7 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p, int dest_af,
 
 	INIT_HLIST_NODE(&cp->c_list);
 	setup_timer(&cp->timer, ip_vs_conn_expire, (unsigned long)cp);
-	ip_vs_conn_net_set(cp, p->net);
+	cp->ipvs	   = ipvs;
 	cp->af		   = p->af;
 	cp->daf		   = dest_af;
 	cp->protocol	   = p->protocol;
@@ -1061,7 +1062,7 @@ static int ip_vs_conn_seq_show(struct seq_file *seq, void *v)
 		size_t len = 0;
 		char dbuf[IP_VS_ADDRSTRLEN];
 
-		if (!ip_vs_conn_net_eq(cp, net))
+		if (!net_eq(cp->ipvs->net, net))
 			return 0;
 		if (cp->pe_data) {
 			pe_data[0] = ' ';
@@ -1146,7 +1147,7 @@ static int ip_vs_conn_sync_seq_show(struct seq_file *seq, void *v)
 		const struct ip_vs_conn *cp = v;
 		struct net *net = seq_file_net(seq);
 
-		if (!ip_vs_conn_net_eq(cp, net))
+		if (!net_eq(cp->ipvs->net, net))
 			return 0;
 
 #ifdef CONFIG_IP_VS_IPV6
@@ -1240,7 +1241,7 @@ static inline int todrop_entry(struct ip_vs_conn *cp)
 }
 
 /* Called from keventd and must protect itself from softirqs */
-void ip_vs_random_dropentry(struct net *net)
+void ip_vs_random_dropentry(struct netns_ipvs *ipvs)
 {
 	int idx;
 	struct ip_vs_conn *cp, *cp_c;
@@ -1256,7 +1257,7 @@ void ip_vs_random_dropentry(struct net *net)
 			if (cp->flags & IP_VS_CONN_F_TEMPLATE)
 				/* connection template */
 				continue;
-			if (!ip_vs_conn_net_eq(cp, net))
+			if (cp->ipvs != ipvs)
 				continue;
 			if (cp->protocol == IPPROTO_TCP) {
 				switch(cp->state) {
@@ -1308,18 +1309,17 @@ void ip_vs_random_dropentry(struct net *net)
 /*
  *      Flush all the connection entries in the ip_vs_conn_tab
  */
-static void ip_vs_conn_flush(struct net *net)
+static void ip_vs_conn_flush(struct netns_ipvs *ipvs)
 {
 	int idx;
 	struct ip_vs_conn *cp, *cp_c;
-	struct netns_ipvs *ipvs = net_ipvs(net);
 
 flush_again:
 	rcu_read_lock();
 	for (idx = 0; idx < ip_vs_conn_tab_size; idx++) {
 
 		hlist_for_each_entry_rcu(cp, &ip_vs_conn_tab[idx], c_list) {
-			if (!ip_vs_conn_net_eq(cp, net))
+			if (cp->ipvs != ipvs)
 				continue;
 			IP_VS_DBG(4, "del connection\n");
 			ip_vs_conn_expire_now(cp);
@@ -1345,9 +1345,9 @@ flush_again:
 /*
  * per netns init and exit
  */
-int __net_init ip_vs_conn_net_init(struct net *net)
+int __net_init ip_vs_conn_net_init(struct netns_ipvs *ipvs)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct net *net = ipvs->net;
 
 	atomic_set(&ipvs->conn_count, 0);
 
@@ -1356,10 +1356,12 @@ int __net_init ip_vs_conn_net_init(struct net *net)
 	return 0;
 }
 
-void __net_exit ip_vs_conn_net_cleanup(struct net *net)
+void __net_exit ip_vs_conn_net_cleanup(struct netns_ipvs *ipvs)
 {
+	struct net *net = ipvs->net;
+
 	/* flush all the connection entries first */
-	ip_vs_conn_flush(net);
+	ip_vs_conn_flush(ipvs);
 	remove_proc_entry("ip_vs_conn", net->proc_net);
 	remove_proc_entry("ip_vs_conn_sync", net->proc_net);
 }

net/netfilter/ipvs/ip_vs_est.c

@@ -102,10 +102,8 @@ static void estimation_timer(unsigned long arg)
 	struct ip_vs_estimator *e;
 	struct ip_vs_stats *s;
 	u64 rate;
-	struct net *net = (struct net *)arg;
-	struct netns_ipvs *ipvs;
+	struct netns_ipvs *ipvs = (struct netns_ipvs *)arg;
 
-	ipvs = net_ipvs(net);
 	spin_lock(&ipvs->est_lock);
 	list_for_each_entry(e, &ipvs->est_list, list) {
 		s = container_of(e, struct ip_vs_stats, est);
@@ -140,9 +138,8 @@ static void estimation_timer(unsigned long arg)
 	mod_timer(&ipvs->est_timer, jiffies + 2*HZ);
 }
 
-void ip_vs_start_estimator(struct net *net, struct ip_vs_stats *stats)
+void ip_vs_start_estimator(struct netns_ipvs *ipvs, struct ip_vs_stats *stats)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_estimator *est = &stats->est;
 
 	INIT_LIST_HEAD(&est->list);
@@ -152,9 +149,8 @@ void ip_vs_start_estimator(struct net *net, struct ip_vs_stats *stats)
 	spin_unlock_bh(&ipvs->est_lock);
 }
 
-void ip_vs_stop_estimator(struct net *net, struct ip_vs_stats *stats)
+void ip_vs_stop_estimator(struct netns_ipvs *ipvs, struct ip_vs_stats *stats)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_estimator *est = &stats->est;
 
 	spin_lock_bh(&ipvs->est_lock);
@@ -192,18 +188,16 @@ void ip_vs_read_estimator(struct ip_vs_kstats *dst, struct ip_vs_stats *stats)
 	dst->outbps = (e->outbps + 0xF) >> 5;
 }
 
-int __net_init ip_vs_estimator_net_init(struct net *net)
+int __net_init ip_vs_estimator_net_init(struct netns_ipvs *ipvs)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
-
 	INIT_LIST_HEAD(&ipvs->est_list);
 	spin_lock_init(&ipvs->est_lock);
-	setup_timer(&ipvs->est_timer, estimation_timer, (unsigned long)net);
+	setup_timer(&ipvs->est_timer, estimation_timer, (unsigned long)ipvs);
 	mod_timer(&ipvs->est_timer, jiffies + 2 * HZ);
 	return 0;
 }
 
-void __net_exit ip_vs_estimator_net_cleanup(struct net *net)
+void __net_exit ip_vs_estimator_net_cleanup(struct netns_ipvs *ipvs)
 {
-	del_timer_sync(&net_ipvs(net)->est_timer);
+	del_timer_sync(&ipvs->est_timer);
 }

net/netfilter/ipvs/ip_vs_ftp.c

@@ -181,7 +181,6 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
 	int ret = 0;
 	enum ip_conntrack_info ctinfo;
 	struct nf_conn *ct;
-	struct net *net;
 
 	*diff = 0;
 
@@ -223,14 +222,14 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
 		 */
 		{
 			struct ip_vs_conn_param p;
-			ip_vs_conn_fill_param(ip_vs_conn_net(cp), AF_INET,
+			ip_vs_conn_fill_param(cp->ipvs, AF_INET,
 					      iph->protocol, &from, port,
 					      &cp->caddr, 0, &p);
 			n_cp = ip_vs_conn_out_get(&p);
 		}
 		if (!n_cp) {
 			struct ip_vs_conn_param p;
-			ip_vs_conn_fill_param(ip_vs_conn_net(cp),
+			ip_vs_conn_fill_param(cp->ipvs,
 					      AF_INET, IPPROTO_TCP, &cp->caddr,
 					      0, &cp->vaddr, port, &p);
 			/* As above, this is ipv4 only */
@@ -289,9 +288,8 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
 		 * would be adjusted twice.
 		 */
 
-		net = skb_net(skb);
 		cp->app_data = NULL;
-		ip_vs_tcp_conn_listen(net, n_cp);
+		ip_vs_tcp_conn_listen(n_cp);
 		ip_vs_conn_put(n_cp);
 		return ret;
 	}
@@ -320,7 +318,6 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
 	union nf_inet_addr to;
 	__be16 port;
 	struct ip_vs_conn *n_cp;
-	struct net *net;
 
 	/* no diff required for incoming packets */
 	*diff = 0;
@@ -392,7 +389,7 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
 
 	{
 		struct ip_vs_conn_param p;
-		ip_vs_conn_fill_param(ip_vs_conn_net(cp), AF_INET,
+		ip_vs_conn_fill_param(cp->ipvs, AF_INET,
 				      iph->protocol, &to, port, &cp->vaddr,
 				      htons(ntohs(cp->vport)-1), &p);
 		n_cp = ip_vs_conn_in_get(&p);
@@ -413,8 +410,7 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
 	/*
 	 *	Move tunnel to listen state
 	 */
-	net = skb_net(skb);
-	ip_vs_tcp_conn_listen(net, n_cp);
+	ip_vs_tcp_conn_listen(n_cp);
 	ip_vs_conn_put(n_cp);
 
 	return 1;
@@ -447,14 +443,14 @@ static int __net_init __ip_vs_ftp_init(struct net *net)
 	if (!ipvs)
 		return -ENOENT;
 
-	app = register_ip_vs_app(net, &ip_vs_ftp);
+	app = register_ip_vs_app(ipvs, &ip_vs_ftp);
 	if (IS_ERR(app))
 		return PTR_ERR(app);
 
 	for (i = 0; i < ports_count; i++) {
 		if (!ports[i])
 			continue;
-		ret = register_ip_vs_app_inc(net, app, app->protocol, ports[i]);
+		ret = register_ip_vs_app_inc(ipvs, app, app->protocol, ports[i]);
 		if (ret)
 			goto err_unreg;
 		pr_info("%s: loaded support on port[%d] = %d\n",
@@ -463,7 +459,7 @@ static int __net_init __ip_vs_ftp_init(struct net *net)
 	return 0;
 
 err_unreg:
-	unregister_ip_vs_app(net, &ip_vs_ftp);
+	unregister_ip_vs_app(ipvs, &ip_vs_ftp);
 	return ret;
 }
 /*
@@ -471,7 +467,12 @@ err_unreg:
  */
 static void __ip_vs_ftp_exit(struct net *net)
 {
-	unregister_ip_vs_app(net, &ip_vs_ftp);
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	if (!ipvs)
+		return;
+
+	unregister_ip_vs_app(ipvs, &ip_vs_ftp);
 }
 
 static struct pernet_operations ip_vs_ftp_ops = {

net/netfilter/ipvs/ip_vs_lblc.c

@@ -250,8 +250,7 @@ static void ip_vs_lblc_flush(struct ip_vs_service *svc)
 static int sysctl_lblc_expiration(struct ip_vs_service *svc)
 {
 #ifdef CONFIG_SYSCTL
-	struct netns_ipvs *ipvs = net_ipvs(svc->net);
-	return ipvs->sysctl_lblc_expiration;
+	return svc->ipvs->sysctl_lblc_expiration;
 #else
 	return DEFAULT_EXPIRATION;
 #endif

net/netfilter/ipvs/ip_vs_lblcr.c

@@ -415,8 +415,7 @@ static void ip_vs_lblcr_flush(struct ip_vs_service *svc)
 static int sysctl_lblcr_expiration(struct ip_vs_service *svc)
 {
 #ifdef CONFIG_SYSCTL
-	struct netns_ipvs *ipvs = net_ipvs(svc->net);
-	return ipvs->sysctl_lblcr_expiration;
+	return svc->ipvs->sysctl_lblcr_expiration;
 #else
 	return DEFAULT_EXPIRATION;
 #endif

net/netfilter/ipvs/ip_vs_nfct.c

@@ -161,7 +161,7 @@ static void ip_vs_nfct_expect_callback(struct nf_conn *ct,
 
 	/* RS->CLIENT */
 	orig = &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
-	ip_vs_conn_fill_param(net, exp->tuple.src.l3num, orig->dst.protonum,
+	ip_vs_conn_fill_param(net_ipvs(net), exp->tuple.src.l3num, orig->dst.protonum,
 			      &orig->src.u3, orig->src.u.tcp.port,
 			      &orig->dst.u3, orig->dst.u.tcp.port, &p);
 	cp = ip_vs_conn_out_get(&p);
@@ -274,8 +274,7 @@ void ip_vs_conn_drop_conntrack(struct ip_vs_conn *cp)
 		" for conn " FMT_CONN "\n",
 		__func__, ARG_TUPLE(&tuple), ARG_CONN(cp));
 
-	h = nf_conntrack_find_get(ip_vs_conn_net(cp), &nf_ct_zone_dflt,
-				  &tuple);
+	h = nf_conntrack_find_get(cp->ipvs->net, &nf_ct_zone_dflt, &tuple);
 	if (h) {
 		ct = nf_ct_tuplehash_to_ctrack(h);
 		/* Show what happens instead of calling nf_ct_kill() */

net/netfilter/ipvs/ip_vs_proto.c

@@ -63,9 +63,8 @@ static int __used __init register_ip_vs_protocol(struct ip_vs_protocol *pp)
  *	register an ipvs protocols netns related data
  */
 static int
-register_ip_vs_proto_netns(struct net *net, struct ip_vs_protocol *pp)
+register_ip_vs_proto_netns(struct netns_ipvs *ipvs, struct ip_vs_protocol *pp)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	unsigned int hash = IP_VS_PROTO_HASH(pp->protocol);
 	struct ip_vs_proto_data *pd =
 			kzalloc(sizeof(struct ip_vs_proto_data), GFP_KERNEL);
@@ -79,7 +78,7 @@ register_ip_vs_proto_netns(struct net *net, struct ip_vs_protocol *pp)
 	atomic_set(&pd->appcnt, 0);	/* Init app counter */
 
 	if (pp->init_netns != NULL) {
-		int ret = pp->init_netns(net, pd);
+		int ret = pp->init_netns(ipvs, pd);
 		if (ret) {
 			/* unlink an free proto data */
 			ipvs->proto_data_table[hash] = pd->next;
@@ -116,9 +115,8 @@ static int unregister_ip_vs_protocol(struct ip_vs_protocol *pp)
  *	unregister an ipvs protocols netns data
  */
 static int
-unregister_ip_vs_proto_netns(struct net *net, struct ip_vs_proto_data *pd)
+unregister_ip_vs_proto_netns(struct netns_ipvs *ipvs, struct ip_vs_proto_data *pd)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_proto_data **pd_p;
 	unsigned int hash = IP_VS_PROTO_HASH(pd->pp->protocol);
 
@@ -127,7 +125,7 @@ unregister_ip_vs_proto_netns(struct net *net, struct ip_vs_proto_data *pd)
 		if (*pd_p == pd) {
 			*pd_p = pd->next;
 			if (pd->pp->exit_netns != NULL)
-				pd->pp->exit_netns(net, pd);
+				pd->pp->exit_netns(ipvs, pd);
 			kfree(pd);
 			return 0;
 		}
@@ -156,8 +154,8 @@ EXPORT_SYMBOL(ip_vs_proto_get);
 /*
  *	get ip_vs_protocol object data by netns and proto
  */
-static struct ip_vs_proto_data *
-__ipvs_proto_data_get(struct netns_ipvs *ipvs, unsigned short proto)
+struct ip_vs_proto_data *
+ip_vs_proto_data_get(struct netns_ipvs *ipvs, unsigned short proto)
 {
 	struct ip_vs_proto_data *pd;
 	unsigned int hash = IP_VS_PROTO_HASH(proto);
@@ -169,14 +167,6 @@ __ipvs_proto_data_get(struct netns_ipvs *ipvs, unsigned short proto)
 
 	return NULL;
 }
-
-struct ip_vs_proto_data *
-ip_vs_proto_data_get(struct net *net, unsigned short proto)
-{
-	struct netns_ipvs *ipvs = net_ipvs(net);
-
-	return __ipvs_proto_data_get(ipvs, proto);
-}
 EXPORT_SYMBOL(ip_vs_proto_data_get);
 
 /*
@@ -317,7 +307,7 @@ ip_vs_tcpudp_debug_packet(int af, struct ip_vs_protocol *pp,
 /*
  * per network name-space init
  */
-int __net_init ip_vs_protocol_net_init(struct net *net)
+int __net_init ip_vs_protocol_net_init(struct netns_ipvs *ipvs)
 {
 	int i, ret;
 	static struct ip_vs_protocol *protos[] = {
@@ -339,27 +329,26 @@ int __net_init ip_vs_protocol_net_init(struct net *net)
 	};
 
 	for (i = 0; i < ARRAY_SIZE(protos); i++) {
-		ret = register_ip_vs_proto_netns(net, protos[i]);
+		ret = register_ip_vs_proto_netns(ipvs, protos[i]);
 		if (ret < 0)
 			goto cleanup;
 	}
 	return 0;
 
 cleanup:
-	ip_vs_protocol_net_cleanup(net);
+	ip_vs_protocol_net_cleanup(ipvs);
 	return ret;
 }
 
-void __net_exit ip_vs_protocol_net_cleanup(struct net *net)
+void __net_exit ip_vs_protocol_net_cleanup(struct netns_ipvs *ipvs)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_proto_data *pd;
 	int i;
 
 	/* unregister all the ipvs proto data for this netns */
 	for (i = 0; i < IP_VS_PROTO_TAB_SIZE; i++) {
 		while ((pd = ipvs->proto_data_table[i]) != NULL)
-			unregister_ip_vs_proto_netns(net, pd);
+			unregister_ip_vs_proto_netns(ipvs, pd);
 	}
 }
 

net/netfilter/ipvs/ip_vs_proto_ah_esp.c

@@ -41,29 +41,28 @@ struct isakmp_hdr {
 #define PORT_ISAKMP	500
 
 static void
-ah_esp_conn_fill_param_proto(struct net *net, int af,
+ah_esp_conn_fill_param_proto(struct netns_ipvs *ipvs, int af,
 			     const struct ip_vs_iphdr *iph,
 			     struct ip_vs_conn_param *p)
 {
 	if (likely(!ip_vs_iph_inverse(iph)))
-		ip_vs_conn_fill_param(net, af, IPPROTO_UDP,
+		ip_vs_conn_fill_param(ipvs, af, IPPROTO_UDP,
 				      &iph->saddr, htons(PORT_ISAKMP),
 				      &iph->daddr, htons(PORT_ISAKMP), p);
 	else
-		ip_vs_conn_fill_param(net, af, IPPROTO_UDP,
+		ip_vs_conn_fill_param(ipvs, af, IPPROTO_UDP,
 				      &iph->daddr, htons(PORT_ISAKMP),
 				      &iph->saddr, htons(PORT_ISAKMP), p);
 }
 
 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 net *net = skb_net(skb);
 
-	ah_esp_conn_fill_param_proto(net, af, iph, &p);
+	ah_esp_conn_fill_param_proto(ipvs, af, iph, &p);
 	cp = ip_vs_conn_in_get(&p);
 	if (!cp) {
 		/*
@@ -83,14 +82,13 @@ ah_esp_conn_in_get(int af, const struct sk_buff *skb,
 
 
 static struct ip_vs_conn *
-ah_esp_conn_out_get(int af, const struct sk_buff *skb,
+ah_esp_conn_out_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 net *net = skb_net(skb);
 
-	ah_esp_conn_fill_param_proto(net, af, iph, &p);
+	ah_esp_conn_fill_param_proto(ipvs, af, iph, &p);
 	cp = ip_vs_conn_out_get(&p);
 	if (!cp) {
 		IP_VS_DBG_BUF(12, "Unknown ISAKMP entry for inout packet "
@@ -106,7 +104,8 @@ ah_esp_conn_out_get(int af, const struct sk_buff *skb,
 
 
 static int
-ah_esp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
+ah_esp_conn_schedule(struct netns_ipvs *ipvs, int af, struct sk_buff *skb,
+		     struct ip_vs_proto_data *pd,
 		     int *verdict, struct ip_vs_conn **cpp,
 		     struct ip_vs_iphdr *iph)
 {

net/netfilter/ipvs/ip_vs_proto_sctp.c

@@ -9,13 +9,12 @@
 #include <net/ip_vs.h>
 
 static int
-sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
+sctp_conn_schedule(struct netns_ipvs *ipvs, int af, struct sk_buff *skb,
+		   struct ip_vs_proto_data *pd,
 		   int *verdict, struct ip_vs_conn **cpp,
 		   struct ip_vs_iphdr *iph)
 {
-	struct net *net;
 	struct ip_vs_service *svc;
-	struct netns_ipvs *ipvs;
 	sctp_chunkhdr_t _schunkh, *sch;
 	sctp_sctphdr_t *sh, _sctph;
 	__be16 _ports[2], *ports = NULL;
@@ -40,14 +39,12 @@ sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
 		return 0;
 	}
 
-	net = skb_net(skb);
-	ipvs = net_ipvs(net);
 	rcu_read_lock();
 	if (likely(!ip_vs_iph_inverse(iph)))
-		svc = ip_vs_service_find(net, af, skb->mark, iph->protocol,
+		svc = ip_vs_service_find(ipvs, af, skb->mark, iph->protocol,
 					 &iph->daddr, ports[1]);
 	else
-		svc = ip_vs_service_find(net, af, skb->mark, iph->protocol,
+		svc = ip_vs_service_find(ipvs, af, skb->mark, iph->protocol,
 					 &iph->saddr, ports[0]);
 	if (svc) {
 		int ignored;
@@ -486,14 +483,13 @@ static inline __u16 sctp_app_hashkey(__be16 port)
 		& SCTP_APP_TAB_MASK;
 }
 
-static int sctp_register_app(struct net *net, struct ip_vs_app *inc)
+static int sctp_register_app(struct netns_ipvs *ipvs, struct ip_vs_app *inc)
 {
 	struct ip_vs_app *i;
 	__u16 hash;
 	__be16 port = inc->port;
 	int ret = 0;
-	struct netns_ipvs *ipvs = net_ipvs(net);
-	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_SCTP);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(ipvs, IPPROTO_SCTP);
 
 	hash = sctp_app_hashkey(port);
 
@@ -510,9 +506,9 @@ out:
 	return ret;
 }
 
-static void sctp_unregister_app(struct net *net, struct ip_vs_app *inc)
+static void sctp_unregister_app(struct netns_ipvs *ipvs, struct ip_vs_app *inc)
 {
-	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_SCTP);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(ipvs, IPPROTO_SCTP);
 
 	atomic_dec(&pd->appcnt);
 	list_del_rcu(&inc->p_list);
@@ -520,7 +516,7 @@ static void sctp_unregister_app(struct net *net, struct ip_vs_app *inc)
 
 static int sctp_app_conn_bind(struct ip_vs_conn *cp)
 {
-	struct netns_ipvs *ipvs = net_ipvs(ip_vs_conn_net(cp));
+	struct netns_ipvs *ipvs = cp->ipvs;
 	int hash;
 	struct ip_vs_app *inc;
 	int result = 0;
@@ -561,10 +557,8 @@ out:
  *   timeouts is netns related now.
  * ---------------------------------------------
  */
-static int __ip_vs_sctp_init(struct net *net, struct ip_vs_proto_data *pd)
+static int __ip_vs_sctp_init(struct netns_ipvs *ipvs, struct ip_vs_proto_data *pd)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
-
 	ip_vs_init_hash_table(ipvs->sctp_apps, SCTP_APP_TAB_SIZE);
 	pd->timeout_table = ip_vs_create_timeout_table((int *)sctp_timeouts,
 							sizeof(sctp_timeouts));
@@ -573,7 +567,7 @@ static int __ip_vs_sctp_init(struct net *net, struct ip_vs_proto_data *pd)
 	return 0;
 }
 
-static void __ip_vs_sctp_exit(struct net *net, struct ip_vs_proto_data *pd)
+static void __ip_vs_sctp_exit(struct netns_ipvs *ipvs, struct ip_vs_proto_data *pd)
 {
 	kfree(pd->timeout_table);
 }

net/netfilter/ipvs/ip_vs_proto_tcp.c

@@ -32,19 +32,15 @@
 #include <net/ip_vs.h>
 
 static int
-tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
+tcp_conn_schedule(struct netns_ipvs *ipvs, int af, struct sk_buff *skb,
+		  struct ip_vs_proto_data *pd,
 		  int *verdict, struct ip_vs_conn **cpp,
 		  struct ip_vs_iphdr *iph)
 {
-	struct net *net;
 	struct ip_vs_service *svc;
 	struct tcphdr _tcph, *th;
-	struct netns_ipvs *ipvs;
 	__be16 _ports[2], *ports = NULL;
 
-	net = skb_net(skb);
-	ipvs = net_ipvs(net);
-
 	/* In the event of icmp, we're only guaranteed to have the first 8
 	 * bytes of the transport header, so we only check the rest of the
 	 * TCP packet for non-ICMP packets
@@ -70,10 +66,10 @@ tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
 	rcu_read_lock();
 
 	if (likely(!ip_vs_iph_inverse(iph)))
-		svc = ip_vs_service_find(net, af, skb->mark, iph->protocol,
+		svc = ip_vs_service_find(ipvs, af, skb->mark, iph->protocol,
 					 &iph->daddr, ports[1]);
 	else
-		svc = ip_vs_service_find(net, af, skb->mark, iph->protocol,
+		svc = ip_vs_service_find(ipvs, af, skb->mark, iph->protocol,
 					 &iph->saddr, ports[0]);
 
 	if (svc) {
@@ -595,14 +591,13 @@ static inline __u16 tcp_app_hashkey(__be16 port)
 }
 
 
-static int tcp_register_app(struct net *net, struct ip_vs_app *inc)
+static int tcp_register_app(struct netns_ipvs *ipvs, struct ip_vs_app *inc)
 {
 	struct ip_vs_app *i;
 	__u16 hash;
 	__be16 port = inc->port;
 	int ret = 0;
-	struct netns_ipvs *ipvs = net_ipvs(net);
-	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(ipvs, IPPROTO_TCP);
 
 	hash = tcp_app_hashkey(port);
 
@@ -621,9 +616,9 @@ static int tcp_register_app(struct net *net, struct ip_vs_app *inc)
 
 
 static void
-tcp_unregister_app(struct net *net, struct ip_vs_app *inc)
+tcp_unregister_app(struct netns_ipvs *ipvs, struct ip_vs_app *inc)
 {
-	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(ipvs, IPPROTO_TCP);
 
 	atomic_dec(&pd->appcnt);
 	list_del_rcu(&inc->p_list);
@@ -633,7 +628,7 @@ tcp_unregister_app(struct net *net, struct ip_vs_app *inc)
 static int
 tcp_app_conn_bind(struct ip_vs_conn *cp)
 {
-	struct netns_ipvs *ipvs = net_ipvs(ip_vs_conn_net(cp));
+	struct netns_ipvs *ipvs = cp->ipvs;
 	int hash;
 	struct ip_vs_app *inc;
 	int result = 0;
@@ -677,9 +672,9 @@ tcp_app_conn_bind(struct ip_vs_conn *cp)
 /*
  *	Set LISTEN timeout. (ip_vs_conn_put will setup timer)
  */
-void ip_vs_tcp_conn_listen(struct net *net, struct ip_vs_conn *cp)
+void ip_vs_tcp_conn_listen(struct ip_vs_conn *cp)
 {
-	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(cp->ipvs, IPPROTO_TCP);
 
 	spin_lock_bh(&cp->lock);
 	cp->state = IP_VS_TCP_S_LISTEN;
@@ -692,10 +687,8 @@ void ip_vs_tcp_conn_listen(struct net *net, struct ip_vs_conn *cp)
  *   timeouts is netns related now.
  * ---------------------------------------------
  */
-static int __ip_vs_tcp_init(struct net *net, struct ip_vs_proto_data *pd)
+static int __ip_vs_tcp_init(struct netns_ipvs *ipvs, struct ip_vs_proto_data *pd)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
-
 	ip_vs_init_hash_table(ipvs->tcp_apps, TCP_APP_TAB_SIZE);
 	pd->timeout_table = ip_vs_create_timeout_table((int *)tcp_timeouts,
 							sizeof(tcp_timeouts));
@@ -705,7 +698,7 @@ static int __ip_vs_tcp_init(struct net *net, struct ip_vs_proto_data *pd)
 	return 0;
 }
 
-static void __ip_vs_tcp_exit(struct net *net, struct ip_vs_proto_data *pd)
+static void __ip_vs_tcp_exit(struct netns_ipvs *ipvs, struct ip_vs_proto_data *pd)
 {
 	kfree(pd->timeout_table);
 }

net/netfilter/ipvs/ip_vs_proto_udp.c

@@ -29,11 +29,11 @@
 #include <net/ip6_checksum.h>
 
 static int
-udp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
+udp_conn_schedule(struct netns_ipvs *ipvs, int af, struct sk_buff *skb,
+		  struct ip_vs_proto_data *pd,
 		  int *verdict, struct ip_vs_conn **cpp,
 		  struct ip_vs_iphdr *iph)
 {
-	struct net *net;
 	struct ip_vs_service *svc;
 	struct udphdr _udph, *uh;
 	__be16 _ports[2], *ports = NULL;
@@ -53,19 +53,18 @@ udp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
 		return 0;
 	}
 
-	net = skb_net(skb);
 	rcu_read_lock();
 	if (likely(!ip_vs_iph_inverse(iph)))
-		svc = ip_vs_service_find(net, af, skb->mark, iph->protocol,
+		svc = ip_vs_service_find(ipvs, af, skb->mark, iph->protocol,
 					 &iph->daddr, ports[1]);
 	else
-		svc = ip_vs_service_find(net, af, skb->mark, iph->protocol,
+		svc = ip_vs_service_find(ipvs, af, skb->mark, iph->protocol,
 					 &iph->saddr, ports[0]);
 
 	if (svc) {
 		int ignored;
 
-		if (ip_vs_todrop(net_ipvs(net))) {
+		if (ip_vs_todrop(ipvs)) {
 			/*
 			 * It seems that we are very loaded.
 			 * We have to drop this packet :(
@@ -363,14 +362,13 @@ static inline __u16 udp_app_hashkey(__be16 port)
 }
 
 
-static int udp_register_app(struct net *net, struct ip_vs_app *inc)
+static int udp_register_app(struct netns_ipvs *ipvs, struct ip_vs_app *inc)
 {
 	struct ip_vs_app *i;
 	__u16 hash;
 	__be16 port = inc->port;
 	int ret = 0;
-	struct netns_ipvs *ipvs = net_ipvs(net);
-	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_UDP);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(ipvs, IPPROTO_UDP);
 
 	hash = udp_app_hashkey(port);
 
@@ -389,9 +387,9 @@ static int udp_register_app(struct net *net, struct ip_vs_app *inc)
 
 
 static void
-udp_unregister_app(struct net *net, struct ip_vs_app *inc)
+udp_unregister_app(struct netns_ipvs *ipvs, struct ip_vs_app *inc)
 {
-	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_UDP);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(ipvs, IPPROTO_UDP);
 
 	atomic_dec(&pd->appcnt);
 	list_del_rcu(&inc->p_list);
@@ -400,7 +398,7 @@ udp_unregister_app(struct net *net, struct ip_vs_app *inc)
 
 static int udp_app_conn_bind(struct ip_vs_conn *cp)
 {
-	struct netns_ipvs *ipvs = net_ipvs(ip_vs_conn_net(cp));
+	struct netns_ipvs *ipvs = cp->ipvs;
 	int hash;
 	struct ip_vs_app *inc;
 	int result = 0;
@@ -471,10 +469,8 @@ udp_state_transition(struct ip_vs_conn *cp, int direction,
 	cp->timeout = pd->timeout_table[IP_VS_UDP_S_NORMAL];
 }
 
-static int __udp_init(struct net *net, struct ip_vs_proto_data *pd)
+static int __udp_init(struct netns_ipvs *ipvs, struct ip_vs_proto_data *pd)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
-
 	ip_vs_init_hash_table(ipvs->udp_apps, UDP_APP_TAB_SIZE);
 	pd->timeout_table = ip_vs_create_timeout_table((int *)udp_timeouts,
 							sizeof(udp_timeouts));
@@ -483,7 +479,7 @@ static int __udp_init(struct net *net, struct ip_vs_proto_data *pd)
 	return 0;
 }
 
-static void __udp_exit(struct net *net, struct ip_vs_proto_data *pd)
+static void __udp_exit(struct netns_ipvs *ipvs, struct ip_vs_proto_data *pd)
 {
 	kfree(pd->timeout_table);
 }

net/netfilter/ipvs/ip_vs_sync.c

@@ -193,7 +193,7 @@ union ip_vs_sync_conn {
 #define IPVS_OPT_F_PARAM	(1 << (IPVS_OPT_PARAM-1))
 
 struct ip_vs_sync_thread_data {
-	struct net *net;
+	struct netns_ipvs *ipvs;
 	struct socket *sock;
 	char *buf;
 	int id;
@@ -533,10 +533,9 @@ set:
  *      Version 0 , could be switched in by sys_ctl.
  *      Add an ip_vs_conn information into the current sync_buff.
  */
-static void ip_vs_sync_conn_v0(struct net *net, struct ip_vs_conn *cp,
+static void ip_vs_sync_conn_v0(struct netns_ipvs *ipvs, struct ip_vs_conn *cp,
 			       int pkts)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_sync_mesg_v0 *m;
 	struct ip_vs_sync_conn_v0 *s;
 	struct ip_vs_sync_buff *buff;
@@ -615,7 +614,7 @@ static void ip_vs_sync_conn_v0(struct net *net, struct ip_vs_conn *cp,
 			pkts = atomic_add_return(1, &cp->in_pkts);
 		else
 			pkts = sysctl_sync_threshold(ipvs);
-		ip_vs_sync_conn(net, cp, pkts);
+		ip_vs_sync_conn(ipvs, cp, pkts);
 	}
 }
 
@@ -624,9 +623,8 @@ static void ip_vs_sync_conn_v0(struct net *net, struct ip_vs_conn *cp,
  *      Called by ip_vs_in.
  *      Sending Version 1 messages
  */
-void ip_vs_sync_conn(struct net *net, struct ip_vs_conn *cp, int pkts)
+void ip_vs_sync_conn(struct netns_ipvs *ipvs, struct ip_vs_conn *cp, int pkts)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_sync_mesg *m;
 	union ip_vs_sync_conn *s;
 	struct ip_vs_sync_buff *buff;
@@ -637,7 +635,7 @@ void ip_vs_sync_conn(struct net *net, struct ip_vs_conn *cp, int pkts)
 
 	/* Handle old version of the protocol */
 	if (sysctl_sync_ver(ipvs) == 0) {
-		ip_vs_sync_conn_v0(net, cp, pkts);
+		ip_vs_sync_conn_v0(ipvs, cp, pkts);
 		return;
 	}
 	/* Do not sync ONE PACKET */
@@ -784,21 +782,21 @@ control:
  *  fill_param used by version 1
  */
 static inline int
-ip_vs_conn_fill_param_sync(struct net *net, int af, union ip_vs_sync_conn *sc,
+ip_vs_conn_fill_param_sync(struct netns_ipvs *ipvs, int af, union ip_vs_sync_conn *sc,
 			   struct ip_vs_conn_param *p,
 			   __u8 *pe_data, unsigned int pe_data_len,
 			   __u8 *pe_name, unsigned int pe_name_len)
 {
 #ifdef CONFIG_IP_VS_IPV6
 	if (af == AF_INET6)
-		ip_vs_conn_fill_param(net, af, sc->v6.protocol,
+		ip_vs_conn_fill_param(ipvs, af, sc->v6.protocol,
 				      (const union nf_inet_addr *)&sc->v6.caddr,
 				      sc->v6.cport,
 				      (const union nf_inet_addr *)&sc->v6.vaddr,
 				      sc->v6.vport, p);
 	else
 #endif
-		ip_vs_conn_fill_param(net, af, sc->v4.protocol,
+		ip_vs_conn_fill_param(ipvs, af, sc->v4.protocol,
 				      (const union nf_inet_addr *)&sc->v4.caddr,
 				      sc->v4.cport,
 				      (const union nf_inet_addr *)&sc->v4.vaddr,
@@ -837,7 +835,7 @@ ip_vs_conn_fill_param_sync(struct net *net, int af, union ip_vs_sync_conn *sc,
  *  Param: ...
  *         timeout is in sec.
  */
-static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
+static void ip_vs_proc_conn(struct netns_ipvs *ipvs, struct ip_vs_conn_param *param,
 			    unsigned int flags, unsigned int state,
 			    unsigned int protocol, unsigned int type,
 			    const union nf_inet_addr *daddr, __be16 dport,
@@ -846,7 +844,6 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
 {
 	struct ip_vs_dest *dest;
 	struct ip_vs_conn *cp;
-	struct netns_ipvs *ipvs = net_ipvs(net);
 
 	if (!(flags & IP_VS_CONN_F_TEMPLATE)) {
 		cp = ip_vs_conn_in_get(param);
@@ -904,7 +901,7 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
 		 * with synchronization, so we can make the assumption that
 		 * the svc_af is the same as the dest_af
 		 */
-		dest = ip_vs_find_dest(net, type, type, daddr, dport,
+		dest = ip_vs_find_dest(ipvs, type, type, daddr, dport,
 				       param->vaddr, param->vport, protocol,
 				       fwmark, flags);
 
@@ -941,7 +938,7 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
 	} else {
 		struct ip_vs_proto_data *pd;
 
-		pd = ip_vs_proto_data_get(net, protocol);
+		pd = ip_vs_proto_data_get(ipvs, protocol);
 		if (!(flags & IP_VS_CONN_F_TEMPLATE) && pd && pd->timeout_table)
 			cp->timeout = pd->timeout_table[state];
 		else
@@ -953,7 +950,7 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
 /*
  *  Process received multicast message for Version 0
  */
-static void ip_vs_process_message_v0(struct net *net, const char *buffer,
+static void ip_vs_process_message_v0(struct netns_ipvs *ipvs, const char *buffer,
 				     const size_t buflen)
 {
 	struct ip_vs_sync_mesg_v0 *m = (struct ip_vs_sync_mesg_v0 *)buffer;
@@ -1009,14 +1006,14 @@ static void ip_vs_process_message_v0(struct net *net, const char *buffer,
 			}
 		}
 
-		ip_vs_conn_fill_param(net, AF_INET, s->protocol,
+		ip_vs_conn_fill_param(ipvs, AF_INET, s->protocol,
 				      (const union nf_inet_addr *)&s->caddr,
 				      s->cport,
 				      (const union nf_inet_addr *)&s->vaddr,
 				      s->vport, &param);
 
 		/* Send timeout as Zero */
-		ip_vs_proc_conn(net, &param, flags, state, s->protocol, AF_INET,
+		ip_vs_proc_conn(ipvs, &param, flags, state, s->protocol, AF_INET,
 				(union nf_inet_addr *)&s->daddr, s->dport,
 				0, 0, opt);
 	}
@@ -1067,7 +1064,7 @@ static int ip_vs_proc_str(__u8 *p, unsigned int plen, unsigned int *data_len,
 /*
  *   Process a Version 1 sync. connection
  */
-static inline int ip_vs_proc_sync_conn(struct net *net, __u8 *p, __u8 *msg_end)
+static inline int ip_vs_proc_sync_conn(struct netns_ipvs *ipvs, __u8 *p, __u8 *msg_end)
 {
 	struct ip_vs_sync_conn_options opt;
 	union  ip_vs_sync_conn *s;
@@ -1171,21 +1168,21 @@ static inline int ip_vs_proc_sync_conn(struct net *net, __u8 *p, __u8 *msg_end)
 			state = 0;
 		}
 	}
-	if (ip_vs_conn_fill_param_sync(net, af, s, &param, pe_data,
+	if (ip_vs_conn_fill_param_sync(ipvs, af, s, &param, pe_data,
 				       pe_data_len, pe_name, pe_name_len)) {
 		retc = 50;
 		goto out;
 	}
 	/* If only IPv4, just silent skip IPv6 */
 	if (af == AF_INET)
-		ip_vs_proc_conn(net, &param, flags, state, s->v4.protocol, af,
+		ip_vs_proc_conn(ipvs, &param, flags, state, s->v4.protocol, af,
 				(union nf_inet_addr *)&s->v4.daddr, s->v4.dport,
 				ntohl(s->v4.timeout), ntohl(s->v4.fwmark),
 				(opt_flags & IPVS_OPT_F_SEQ_DATA ? &opt : NULL)
 				);
 #ifdef CONFIG_IP_VS_IPV6
 	else
-		ip_vs_proc_conn(net, &param, flags, state, s->v6.protocol, af,
+		ip_vs_proc_conn(ipvs, &param, flags, state, s->v6.protocol, af,
 				(union nf_inet_addr *)&s->v6.daddr, s->v6.dport,
 				ntohl(s->v6.timeout), ntohl(s->v6.fwmark),
 				(opt_flags & IPVS_OPT_F_SEQ_DATA ? &opt : NULL)
@@ -1204,10 +1201,9 @@ out:
  *      ip_vs_conn entries.
  *      Handles Version 0 & 1
  */
-static void ip_vs_process_message(struct net *net, __u8 *buffer,
+static void ip_vs_process_message(struct netns_ipvs *ipvs, __u8 *buffer,
 				  const size_t buflen)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_sync_mesg *m2 = (struct ip_vs_sync_mesg *)buffer;
 	__u8 *p, *msg_end;
 	int i, nr_conns;
@@ -1257,7 +1253,7 @@ static void ip_vs_process_message(struct net *net, __u8 *buffer,
 				return;
 			}
 			/* Process a single sync_conn */
-			retc = ip_vs_proc_sync_conn(net, p, msg_end);
+			retc = ip_vs_proc_sync_conn(ipvs, p, msg_end);
 			if (retc < 0) {
 				IP_VS_ERR_RL("BACKUP, Dropping buffer, Err: %d in decoding\n",
 					     retc);
@@ -1268,7 +1264,7 @@ static void ip_vs_process_message(struct net *net, __u8 *buffer,
 		}
 	} else {
 		/* Old type of message */
-		ip_vs_process_message_v0(net, buffer, buflen);
+		ip_vs_process_message_v0(ipvs, buffer, buflen);
 		return;
 	}
 }
@@ -1493,16 +1489,15 @@ static void get_mcast_sockaddr(union ipvs_sockaddr *sa, int *salen,
 /*
  *      Set up sending multicast socket over UDP
  */
-static struct socket *make_send_sock(struct net *net, int id)
+static struct socket *make_send_sock(struct netns_ipvs *ipvs, int id)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	/* multicast addr */
 	union ipvs_sockaddr mcast_addr;
 	struct socket *sock;
 	int result, salen;
 
 	/* First create a socket */
-	result = sock_create_kern(net, ipvs->mcfg.mcast_af, SOCK_DGRAM,
+	result = sock_create_kern(ipvs->net, ipvs->mcfg.mcast_af, SOCK_DGRAM,
 				  IPPROTO_UDP, &sock);
 	if (result < 0) {
 		pr_err("Error during creation of socket; terminating\n");
@@ -1550,16 +1545,15 @@ error:
 /*
  *      Set up receiving multicast socket over UDP
  */
-static struct socket *make_receive_sock(struct net *net, int id)
+static struct socket *make_receive_sock(struct netns_ipvs *ipvs, int id)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	/* multicast addr */
 	union ipvs_sockaddr mcast_addr;
 	struct socket *sock;
 	int result, salen;
 
 	/* First create a socket */
-	result = sock_create_kern(net, ipvs->bcfg.mcast_af, SOCK_DGRAM,
+	result = sock_create_kern(ipvs->net, ipvs->bcfg.mcast_af, SOCK_DGRAM,
 				  IPPROTO_UDP, &sock);
 	if (result < 0) {
 		pr_err("Error during creation of socket; terminating\n");
@@ -1687,7 +1681,7 @@ next_sync_buff(struct netns_ipvs *ipvs, struct ipvs_master_sync_state *ms)
 static int sync_thread_master(void *data)
 {
 	struct ip_vs_sync_thread_data *tinfo = data;
-	struct netns_ipvs *ipvs = net_ipvs(tinfo->net);
+	struct netns_ipvs *ipvs = tinfo->ipvs;
 	struct ipvs_master_sync_state *ms = &ipvs->ms[tinfo->id];
 	struct sock *sk = tinfo->sock->sk;
 	struct ip_vs_sync_buff *sb;
@@ -1743,7 +1737,7 @@ done:
 static int sync_thread_backup(void *data)
 {
 	struct ip_vs_sync_thread_data *tinfo = data;
-	struct netns_ipvs *ipvs = net_ipvs(tinfo->net);
+	struct netns_ipvs *ipvs = tinfo->ipvs;
 	int len;
 
 	pr_info("sync thread started: state = BACKUP, mcast_ifn = %s, "
@@ -1765,7 +1759,7 @@ static int sync_thread_backup(void *data)
 				break;
 			}
 
-			ip_vs_process_message(tinfo->net, tinfo->buf, len);
+			ip_vs_process_message(ipvs, tinfo->buf, len);
 		}
 	}
 
@@ -1778,13 +1772,12 @@ static int sync_thread_backup(void *data)
 }
 
 
-int start_sync_thread(struct net *net, struct ipvs_sync_daemon_cfg *c,
+int start_sync_thread(struct netns_ipvs *ipvs, struct ipvs_sync_daemon_cfg *c,
 		      int state)
 {
 	struct ip_vs_sync_thread_data *tinfo;
 	struct task_struct **array = NULL, *task;
 	struct socket *sock;
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct net_device *dev;
 	char *name;
 	int (*threadfn)(void *data);
@@ -1811,7 +1804,7 @@ int start_sync_thread(struct net *net, struct ipvs_sync_daemon_cfg *c,
 	if (!c->mcast_ttl)
 		c->mcast_ttl = 1;
 
-	dev = __dev_get_by_name(net, c->mcast_ifn);
+	dev = __dev_get_by_name(ipvs->net, c->mcast_ifn);
 	if (!dev) {
 		pr_err("Unknown mcast interface: %s\n", c->mcast_ifn);
 		return -ENODEV;
@@ -1873,9 +1866,9 @@ int start_sync_thread(struct net *net, struct ipvs_sync_daemon_cfg *c,
 	tinfo = NULL;
 	for (id = 0; id < count; id++) {
 		if (state == IP_VS_STATE_MASTER)
-			sock = make_send_sock(net, id);
+			sock = make_send_sock(ipvs, id);
 		else
-			sock = make_receive_sock(net, id);
+			sock = make_receive_sock(ipvs, id);
 		if (IS_ERR(sock)) {
 			result = PTR_ERR(sock);
 			goto outtinfo;
@@ -1883,7 +1876,7 @@ int start_sync_thread(struct net *net, struct ipvs_sync_daemon_cfg *c,
 		tinfo = kmalloc(sizeof(*tinfo), GFP_KERNEL);
 		if (!tinfo)
 			goto outsocket;
-		tinfo->net = net;
+		tinfo->ipvs = ipvs;
 		tinfo->sock = sock;
 		if (state == IP_VS_STATE_BACKUP) {
 			tinfo->buf = kmalloc(ipvs->bcfg.sync_maxlen,
@@ -1947,9 +1940,8 @@ out:
 }
 
 
-int stop_sync_thread(struct net *net, int state)
+int stop_sync_thread(struct netns_ipvs *ipvs, int state)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct task_struct **array;
 	int id;
 	int retc = -EINVAL;
@@ -2015,27 +2007,24 @@ int stop_sync_thread(struct net *net, int state)
 /*
  * Initialize data struct for each netns
  */
-int __net_init ip_vs_sync_net_init(struct net *net)
+int __net_init ip_vs_sync_net_init(struct netns_ipvs *ipvs)
 {
-	struct netns_ipvs *ipvs = net_ipvs(net);
-
 	__mutex_init(&ipvs->sync_mutex, "ipvs->sync_mutex", &__ipvs_sync_key);
 	spin_lock_init(&ipvs->sync_lock);
 	spin_lock_init(&ipvs->sync_buff_lock);
 	return 0;
 }
 
-void ip_vs_sync_net_cleanup(struct net *net)
+void ip_vs_sync_net_cleanup(struct netns_ipvs *ipvs)
 {
 	int retc;
-	struct netns_ipvs *ipvs = net_ipvs(net);
 
 	mutex_lock(&ipvs->sync_mutex);
-	retc = stop_sync_thread(net, IP_VS_STATE_MASTER);
+	retc = stop_sync_thread(ipvs, IP_VS_STATE_MASTER);
 	if (retc && retc != -ESRCH)
 		pr_err("Failed to stop Master Daemon\n");
 
-	retc = stop_sync_thread(net, IP_VS_STATE_BACKUP);
+	retc = stop_sync_thread(ipvs, IP_VS_STATE_BACKUP);
 	if (retc && retc != -ESRCH)
 		pr_err("Failed to stop Backup Daemon\n");
 	mutex_unlock(&ipvs->sync_mutex);

net/netfilter/ipvs/ip_vs_xmit.c

@@ -212,13 +212,14 @@ static inline void maybe_update_pmtu(int skb_af, struct sk_buff *skb, int mtu)
 		ort->dst.ops->update_pmtu(&ort->dst, sk, NULL, mtu);
 }
 
-static inline bool ensure_mtu_is_adequate(int skb_af, int rt_mode,
+static inline bool ensure_mtu_is_adequate(struct netns_ipvs *ipvs, int skb_af,
+					  int rt_mode,
 					  struct ip_vs_iphdr *ipvsh,
 					  struct sk_buff *skb, int mtu)
 {
 #ifdef CONFIG_IP_VS_IPV6
 	if (skb_af == AF_INET6) {
-		struct net *net = dev_net(skb_dst(skb)->dev);
+		struct net *net = ipvs->net;
 
 		if (unlikely(__mtu_check_toobig_v6(skb, mtu))) {
 			if (!skb->dev)
@@ -233,8 +234,6 @@ static inline bool ensure_mtu_is_adequate(int skb_af, int rt_mode,
 	} else
 #endif
 	{
-		struct netns_ipvs *ipvs = net_ipvs(skb_net(skb));
-
 		/* If we're going to tunnel the packet and pmtu discovery
 		 * is disabled, we'll just fragment it anyway
 		 */
@@ -257,11 +256,12 @@ static inline bool ensure_mtu_is_adequate(int skb_af, int rt_mode,
 
 /* Get route to destination or remote server */
 static int
-__ip_vs_get_out_rt(int skb_af, struct sk_buff *skb, struct ip_vs_dest *dest,
+__ip_vs_get_out_rt(struct netns_ipvs *ipvs, int skb_af, struct sk_buff *skb,
+		   struct ip_vs_dest *dest,
 		   __be32 daddr, int rt_mode, __be32 *ret_saddr,
 		   struct ip_vs_iphdr *ipvsh)
 {
-	struct net *net = dev_net(skb_dst(skb)->dev);
+	struct net *net = ipvs->net;
 	struct ip_vs_dest_dst *dest_dst;
 	struct rtable *rt;			/* Route to the other host */
 	int mtu;
@@ -337,7 +337,7 @@ __ip_vs_get_out_rt(int skb_af, struct sk_buff *skb, struct ip_vs_dest *dest,
 		maybe_update_pmtu(skb_af, skb, mtu);
 	}
 
-	if (!ensure_mtu_is_adequate(skb_af, rt_mode, ipvsh, skb, mtu))
+	if (!ensure_mtu_is_adequate(ipvs, skb_af, rt_mode, ipvsh, skb, mtu))
 		goto err_put;
 
 	skb_dst_drop(skb);
@@ -403,11 +403,12 @@ out_err:
  * Get route to destination or remote server
  */
 static int
-__ip_vs_get_out_rt_v6(int skb_af, struct sk_buff *skb, struct ip_vs_dest *dest,
+__ip_vs_get_out_rt_v6(struct netns_ipvs *ipvs, int skb_af, struct sk_buff *skb,
+		      struct ip_vs_dest *dest,
 		      struct in6_addr *daddr, struct in6_addr *ret_saddr,
 		      struct ip_vs_iphdr *ipvsh, int do_xfrm, int rt_mode)
 {
-	struct net *net = dev_net(skb_dst(skb)->dev);
+	struct net *net = ipvs->net;
 	struct ip_vs_dest_dst *dest_dst;
 	struct rt6_info *rt;			/* Route to the other host */
 	struct dst_entry *dst;
@@ -485,7 +486,7 @@ __ip_vs_get_out_rt_v6(int skb_af, struct sk_buff *skb, struct ip_vs_dest *dest,
 		maybe_update_pmtu(skb_af, skb, mtu);
 	}
 
-	if (!ensure_mtu_is_adequate(skb_af, rt_mode, ipvsh, skb, mtu))
+	if (!ensure_mtu_is_adequate(ipvs, skb_af, rt_mode, ipvsh, skb, mtu))
 		goto err_put;
 
 	skb_dst_drop(skb);
@@ -574,7 +575,7 @@ static inline int ip_vs_nat_send_or_cont(int pf, struct sk_buff *skb,
 		skb_forward_csum(skb);
 		if (!skb->sk)
 			skb_sender_cpu_clear(skb);
-		NF_HOOK(pf, NF_INET_LOCAL_OUT, ip_vs_conn_net(cp), NULL, skb,
+		NF_HOOK(pf, NF_INET_LOCAL_OUT, cp->ipvs->net, NULL, skb,
 			NULL, skb_dst(skb)->dev, dst_output_okfn);
 	} else
 		ret = NF_ACCEPT;
@@ -596,7 +597,7 @@ static inline int ip_vs_send_or_cont(int pf, struct sk_buff *skb,
 		skb_forward_csum(skb);
 		if (!skb->sk)
 			skb_sender_cpu_clear(skb);
-		NF_HOOK(pf, NF_INET_LOCAL_OUT, ip_vs_conn_net(cp), NULL, skb,
+		NF_HOOK(pf, NF_INET_LOCAL_OUT, cp->ipvs->net, NULL, skb,
 			NULL, skb_dst(skb)->dev, dst_output_okfn);
 	} else
 		ret = NF_ACCEPT;
@@ -630,7 +631,7 @@ ip_vs_bypass_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	EnterFunction(10);
 
 	rcu_read_lock();
-	if (__ip_vs_get_out_rt(cp->af, skb, NULL, iph->daddr,
+	if (__ip_vs_get_out_rt(cp->ipvs, cp->af, skb, NULL, iph->daddr,
 			       IP_VS_RT_MODE_NON_LOCAL, NULL, ipvsh) < 0)
 		goto tx_error;
 
@@ -662,7 +663,8 @@ ip_vs_bypass_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	EnterFunction(10);
 
 	rcu_read_lock();
-	if (__ip_vs_get_out_rt_v6(cp->af, skb, NULL, &iph->daddr, NULL,
+	if (__ip_vs_get_out_rt_v6(cp->ipvs, cp->af, skb, NULL,
+				  &iph->daddr, NULL,
 				  ipvsh, 0, IP_VS_RT_MODE_NON_LOCAL) < 0)
 		goto tx_error;
 
@@ -709,7 +711,7 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	}
 
 	was_input = rt_is_input_route(skb_rtable(skb));
-	local = __ip_vs_get_out_rt(cp->af, skb, cp->dest, cp->daddr.ip,
+	local = __ip_vs_get_out_rt(cp->ipvs, cp->af, skb, cp->dest, cp->daddr.ip,
 				   IP_VS_RT_MODE_LOCAL |
 				   IP_VS_RT_MODE_NON_LOCAL |
 				   IP_VS_RT_MODE_RDR, NULL, ipvsh);
@@ -798,7 +800,8 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 		IP_VS_DBG(10, "filled cport=%d\n", ntohs(*p));
 	}
 
-	local = __ip_vs_get_out_rt_v6(cp->af, skb, cp->dest, &cp->daddr.in6,
+	local = __ip_vs_get_out_rt_v6(cp->ipvs, cp->af, skb, cp->dest,
+				      &cp->daddr.in6,
 				      NULL, ipvsh, 0,
 				      IP_VS_RT_MODE_LOCAL |
 				      IP_VS_RT_MODE_NON_LOCAL |
@@ -971,8 +974,8 @@ int
 ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 		  struct ip_vs_protocol *pp, struct ip_vs_iphdr *ipvsh)
 {
-	struct net *net = skb_net(skb);
-	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct netns_ipvs *ipvs = cp->ipvs;
+	struct net *net = ipvs->net;
 	struct rtable *rt;			/* Route to the other host */
 	__be32 saddr;				/* Source for tunnel */
 	struct net_device *tdev;		/* Device to other host */
@@ -988,7 +991,7 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	EnterFunction(10);
 
 	rcu_read_lock();
-	local = __ip_vs_get_out_rt(cp->af, skb, cp->dest, cp->daddr.ip,
+	local = __ip_vs_get_out_rt(ipvs, cp->af, skb, cp->dest, cp->daddr.ip,
 				   IP_VS_RT_MODE_LOCAL |
 				   IP_VS_RT_MODE_NON_LOCAL |
 				   IP_VS_RT_MODE_CONNECT |
@@ -1082,7 +1085,8 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	EnterFunction(10);
 
 	rcu_read_lock();
-	local = __ip_vs_get_out_rt_v6(cp->af, skb, cp->dest, &cp->daddr.in6,
+	local = __ip_vs_get_out_rt_v6(cp->ipvs, cp->af, skb, cp->dest,
+				      &cp->daddr.in6,
 				      &saddr, ipvsh, 1,
 				      IP_VS_RT_MODE_LOCAL |
 				      IP_VS_RT_MODE_NON_LOCAL |
@@ -1169,7 +1173,7 @@ ip_vs_dr_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	EnterFunction(10);
 
 	rcu_read_lock();
-	local = __ip_vs_get_out_rt(cp->af, skb, cp->dest, cp->daddr.ip,
+	local = __ip_vs_get_out_rt(cp->ipvs, cp->af, skb, cp->dest, cp->daddr.ip,
 				   IP_VS_RT_MODE_LOCAL |
 				   IP_VS_RT_MODE_NON_LOCAL |
 				   IP_VS_RT_MODE_KNOWN_NH, NULL, ipvsh);
@@ -1208,7 +1212,8 @@ ip_vs_dr_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	EnterFunction(10);
 
 	rcu_read_lock();
-	local = __ip_vs_get_out_rt_v6(cp->af, skb, cp->dest, &cp->daddr.in6,
+	local = __ip_vs_get_out_rt_v6(cp->ipvs, cp->af, skb, cp->dest,
+				      &cp->daddr.in6,
 				      NULL, ipvsh, 0,
 				      IP_VS_RT_MODE_LOCAL |
 				      IP_VS_RT_MODE_NON_LOCAL |
@@ -1277,7 +1282,7 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 		  IP_VS_RT_MODE_LOCAL | IP_VS_RT_MODE_NON_LOCAL |
 		  IP_VS_RT_MODE_RDR : IP_VS_RT_MODE_NON_LOCAL;
 	rcu_read_lock();
-	local = __ip_vs_get_out_rt(cp->af, skb, cp->dest, cp->daddr.ip, rt_mode,
+	local = __ip_vs_get_out_rt(cp->ipvs, cp->af, skb, cp->dest, cp->daddr.ip, rt_mode,
 				   NULL, iph);
 	if (local < 0)
 		goto tx_error;
@@ -1369,8 +1374,8 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 		  IP_VS_RT_MODE_LOCAL | IP_VS_RT_MODE_NON_LOCAL |
 		  IP_VS_RT_MODE_RDR : IP_VS_RT_MODE_NON_LOCAL;
 	rcu_read_lock();
-	local = __ip_vs_get_out_rt_v6(cp->af, skb, cp->dest, &cp->daddr.in6,
-				      NULL, ipvsh, 0, rt_mode);
+	local = __ip_vs_get_out_rt_v6(cp->ipvs, cp->af, skb, cp->dest,
+				      &cp->daddr.in6, NULL, ipvsh, 0, rt_mode);
 	if (local < 0)
 		goto tx_error;
 	rt = (struct rt6_info *) skb_dst(skb);

net/netfilter/nf_queue.c

@@ -199,7 +199,7 @@ void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict)
 
 	if (verdict == NF_ACCEPT) {
 		afinfo = nf_get_afinfo(entry->state.pf);
-		if (!afinfo || afinfo->reroute(skb, entry) < 0)
+		if (!afinfo || afinfo->reroute(entry->state.net, skb, entry) < 0)
 			verdict = NF_DROP;
 	}
 

net/netfilter/nft_reject_inet.c

@@ -31,7 +31,7 @@ static void nft_reject_inet_eval(const struct nft_expr *expr,
 					pkt->hook);
 			break;
 		case NFT_REJECT_TCP_RST:
-			nf_send_reset(pkt->skb, pkt->hook);
+			nf_send_reset(pkt->net, pkt->skb, pkt->hook);
 			break;
 		case NFT_REJECT_ICMPX_UNREACH:
 			nf_send_unreach(pkt->skb,

net/netfilter/xt_ipvs.c

@@ -48,6 +48,7 @@ static bool
 ipvs_mt(const struct sk_buff *skb, struct xt_action_param *par)
 {
 	const struct xt_ipvs_mtinfo *data = par->matchinfo;
+	struct netns_ipvs *ipvs = net_ipvs(par->net);
 	/* ipvs_mt_check ensures that family is only NFPROTO_IPV[46]. */
 	const u_int8_t family = par->family;
 	struct ip_vs_iphdr iph;
@@ -85,7 +86,7 @@ ipvs_mt(const struct sk_buff *skb, struct xt_action_param *par)
 	/*
 	 * Check if the packet belongs to an existing entry
 	 */
-	cp = pp->conn_out_get(family, skb, &iph);
+	cp = pp->conn_out_get(ipvs, family, skb, &iph);
 	if (unlikely(cp == NULL)) {
 		match = false;
 		goto out;