[NET] NETNS: Omit sock->sk_net without CONFIG_NET_NS.
Introduce per-sock inlines: sock_net(), sock_net_set()
and per-inet_timewait_sock inlines: twsk_net(), twsk_net_set().
Without CONFIG_NET_NS, no namespace other than &init_net exists.
Let's explicitly define them to help compiler optimizations.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index d1de9ec..f2c90f1 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3054,7 +3054,7 @@
static int
inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
struct ifaddrmsg *ifm;
struct nlattr *tb[IFA_MAX+1];
struct in6_addr *pfx;
@@ -3112,7 +3112,7 @@
static int
inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
struct ifaddrmsg *ifm;
struct nlattr *tb[IFA_MAX+1];
struct in6_addr *pfx;
@@ -3322,7 +3322,7 @@
struct inet6_ifaddr *ifa;
struct ifmcaddr6 *ifmca;
struct ifacaddr6 *ifaca;
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
s_idx = cb->args[0];
s_ip_idx = ip_idx = cb->args[1];
@@ -3418,7 +3418,7 @@
static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr* nlh,
void *arg)
{
- struct net *net = in_skb->sk->sk_net;
+ struct net *net = sock_net(in_skb->sk);
struct ifaddrmsg *ifm;
struct nlattr *tb[IFA_MAX+1];
struct in6_addr *addr = NULL;
@@ -3645,7 +3645,7 @@
static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
int idx, err;
int s_idx = cb->args[0];
struct net_device *dev;
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index de371b5..9bfa884 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -364,7 +364,7 @@
static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh,
void *arg)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
struct ifaddrlblmsg *ifal;
struct nlattr *tb[IFAL_MAX+1];
struct in6_addr *pfx;
@@ -452,7 +452,7 @@
static int ip6addrlbl_dump(struct sk_buff *skb, struct netlink_callback *cb)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
struct ip6addrlbl_entry *p;
struct hlist_node *pos;
int idx = 0, s_idx = cb->args[0];
@@ -490,7 +490,7 @@
static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh,
void *arg)
{
- struct net *net = in_skb->sk->sk_net;
+ struct net *net = sock_net(in_skb->sk);
struct ifaddrlblmsg *ifal;
struct nlattr *tb[IFAL_MAX+1];
struct in6_addr *addr;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index f52bdae..12f04e9 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -245,7 +245,7 @@
struct sock *sk = sock->sk;
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
__be32 v4addr = 0;
unsigned short snum;
int addr_type = 0;
@@ -438,7 +438,7 @@
int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
struct sock *sk = sock->sk;
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
switch(cmd)
{
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index e7a7fe2..cac5807 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -154,7 +154,7 @@
struct nlattr **tb)
{
int err = -EINVAL;
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
struct fib6_rule *rule6 = (struct fib6_rule *) rule;
if (rule->action == FR_ACT_TO_TBL) {
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 5085766..63309d1 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -163,7 +163,7 @@
struct flowi *fl)
{
struct dst_entry *dst;
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
int res = 0;
/* Informational messages are not limited. */
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index c0c8d2d..21c4676 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -105,7 +105,7 @@
read_lock(&hashinfo->lhash_lock);
sk_for_each(sk, node, &hashinfo->listening_hash[inet_lhashfn(hnum)]) {
- if (sk->sk_net == net && inet_sk(sk)->num == hnum &&
+ if (sock_net(sk) == net && inet_sk(sk)->num == hnum &&
sk->sk_family == PF_INET6) {
const struct ipv6_pinfo *np = inet6_sk(sk);
@@ -172,7 +172,7 @@
struct sock *sk2;
const struct hlist_node *node;
struct inet_timewait_sock *tw;
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
prefetch(head->chain.first);
write_lock(lock);
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index b0814b0..b3f6e03 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -346,7 +346,7 @@
static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
unsigned int h, s_h;
unsigned int e = 0, s_e;
struct rt6_rtnl_dump_arg arg;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 556300f..a8b4da2 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -910,7 +910,7 @@
struct dst_entry **dst, struct flowi *fl)
{
int err;
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
if (*dst == NULL)
*dst = ip6_route_output(net, sk, fl);
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index dc6695c..d3d93d7 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -107,7 +107,7 @@
char __user *optval, int optlen)
{
struct ipv6_pinfo *np = inet6_sk(sk);
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
int val, valbool;
int retv = -ENOPROTOOPT;
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 0357de8..20a3d8e 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -181,7 +181,7 @@
struct net_device *dev = NULL;
struct ipv6_mc_socklist *mc_lst;
struct ipv6_pinfo *np = inet6_sk(sk);
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
int err;
if (!ipv6_addr_is_multicast(addr))
@@ -255,7 +255,7 @@
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6_mc_socklist *mc_lst, **lnk;
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
write_lock_bh(&ipv6_sk_mc_lock);
for (lnk = &np->ipv6_mc_list; (mc_lst = *lnk) !=NULL ; lnk = &mc_lst->next) {
@@ -327,7 +327,7 @@
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6_mc_socklist *mc_lst;
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
write_lock_bh(&ipv6_sk_mc_lock);
while ((mc_lst = np->ipv6_mc_list) != NULL) {
@@ -365,7 +365,7 @@
struct inet6_dev *idev;
struct ipv6_pinfo *inet6 = inet6_sk(sk);
struct ip6_sf_socklist *psl;
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
int i, j, rv;
int leavegroup = 0;
int pmclocked = 0;
@@ -505,7 +505,7 @@
struct inet6_dev *idev;
struct ipv6_pinfo *inet6 = inet6_sk(sk);
struct ip6_sf_socklist *newpsl, *psl;
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
int leavegroup = 0;
int i, err;
@@ -598,7 +598,7 @@
struct net_device *dev;
struct ipv6_pinfo *inet6 = inet6_sk(sk);
struct ip6_sf_socklist *psl;
- struct net *net = sk->sk_net;
+ struct net *net = sock_net(sk);
group = &((struct sockaddr_in6 *)&gsf->gf_group)->sin6_addr;
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index af1ec7b..70ef0d2 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1879,11 +1879,11 @@
switch (cmd) {
case IP6T_SO_SET_REPLACE:
- ret = compat_do_replace(sk->sk_net, user, len);
+ ret = compat_do_replace(sock_net(sk), user, len);
break;
case IP6T_SO_SET_ADD_COUNTERS:
- ret = do_add_counters(sk->sk_net, user, len, 1);
+ ret = do_add_counters(sock_net(sk), user, len, 1);
break;
default:
@@ -1990,10 +1990,10 @@
switch (cmd) {
case IP6T_SO_GET_INFO:
- ret = get_info(sk->sk_net, user, len, 1);
+ ret = get_info(sock_net(sk), user, len, 1);
break;
case IP6T_SO_GET_ENTRIES:
- ret = compat_get_entries(sk->sk_net, user, len);
+ ret = compat_get_entries(sock_net(sk), user, len);
break;
default:
ret = do_ip6t_get_ctl(sk, cmd, user, len);
@@ -2012,11 +2012,11 @@
switch (cmd) {
case IP6T_SO_SET_REPLACE:
- ret = do_replace(sk->sk_net, user, len);
+ ret = do_replace(sock_net(sk), user, len);
break;
case IP6T_SO_SET_ADD_COUNTERS:
- ret = do_add_counters(sk->sk_net, user, len, 0);
+ ret = do_add_counters(sock_net(sk), user, len, 0);
break;
default:
@@ -2037,11 +2037,11 @@
switch (cmd) {
case IP6T_SO_GET_INFO:
- ret = get_info(sk->sk_net, user, len, 0);
+ ret = get_info(sock_net(sk), user, len, 0);
break;
case IP6T_SO_GET_ENTRIES:
- ret = get_entries(sk->sk_net, user, len);
+ ret = get_entries(sock_net(sk), user, len);
break;
case IP6T_SO_GET_REVISION_MATCH:
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index efb0047..12c7a15 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -76,7 +76,7 @@
if (inet_sk(sk)->num == num) {
struct ipv6_pinfo *np = inet6_sk(sk);
- if (sk->sk_net != net)
+ if (sock_net(sk) != net)
continue;
if (!ipv6_addr_any(&np->daddr) &&
@@ -280,7 +280,7 @@
if (!sk->sk_bound_dev_if)
goto out;
- dev = dev_get_by_index(sk->sk_net, sk->sk_bound_dev_if);
+ dev = dev_get_by_index(sock_net(sk), sk->sk_bound_dev_if);
if (!dev) {
err = -ENODEV;
goto out;
@@ -293,7 +293,7 @@
v4addr = LOOPBACK4_IPV6;
if (!(addr_type & IPV6_ADDR_MULTICAST)) {
err = -EADDRNOTAVAIL;
- if (!ipv6_chk_addr(sk->sk_net, &addr->sin6_addr,
+ if (!ipv6_chk_addr(sock_net(sk), &addr->sin6_addr,
dev, 0)) {
if (dev)
dev_put(dev);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 65053fb..ac44283 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2020,7 +2020,7 @@
cfg->fc_nlinfo.pid = NETLINK_CB(skb).pid;
cfg->fc_nlinfo.nlh = nlh;
- cfg->fc_nlinfo.nl_net = skb->sk->sk_net;
+ cfg->fc_nlinfo.nl_net = sock_net(skb->sk);
if (tb[RTA_GATEWAY]) {
nla_memcpy(&cfg->fc_gateway, tb[RTA_GATEWAY], 16);
@@ -2216,7 +2216,7 @@
static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void *arg)
{
- struct net *net = in_skb->sk->sk_net;
+ struct net *net = sock_net(in_skb->sk);
struct nlattr *tb[RTA_MAX+1];
struct rt6_info *rt;
struct sk_buff *skb;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 086deff..323c7e0 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1218,7 +1218,7 @@
if (req)
return tcp_check_req(sk, skb, req, prev);
- nsk = __inet6_lookup_established(sk->sk_net, &tcp_hashinfo,
+ nsk = __inet6_lookup_established(sock_net(sk), &tcp_hashinfo,
&ipv6_hdr(skb)->saddr, th->source,
&ipv6_hdr(skb)->daddr, ntohs(th->dest), inet6_iif(skb));
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 6683c04..db266ff 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -70,7 +70,7 @@
sk_for_each(sk, node, &udptable[hnum & (UDP_HTABLE_SIZE - 1)]) {
struct inet_sock *inet = inet_sk(sk);
- if (sk->sk_net == net && sk->sk_hash == hnum &&
+ if (sock_net(sk) == net && sk->sk_hash == hnum &&
sk->sk_family == PF_INET6) {
struct ipv6_pinfo *np = inet6_sk(sk);
int score = 0;
@@ -323,7 +323,7 @@
sk_for_each_from(s, node) {
struct inet_sock *inet = inet_sk(s);
- if (s->sk_net != sk->sk_net)
+ if (sock_net(s) != sock_net(sk))
continue;
if (s->sk_hash == num && s->sk_family == PF_INET6) {