[IPV6]: Make address arguments const.
- net/ipv6/addrconf.c:
ipv6_get_ifaddr(), ipv6_dev_get_saddr()
- net/ipv6/mcast.c:
ipv6_sock_mc_join(), ipv6_sock_mc_drop(),
inet6_mc_check(),
ipv6_dev_mc_inc(), __ipv6_dev_mc_dec(), ipv6_dev_mc_dec(),
ipv6_chk_mcast_addr()
- net/ipv6/route.c:
rt6_lookup(), icmp6_dst_alloc()
- net/ipv6/ip6_output.c:
ip6_nd_hdr()
- net/ipv6/ndisc.c:
ndisc_send_ns(), ndisc_send_rs(), ndisc_send_redirect(),
ndisc_get_neigh(), __ndisc_send()
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 8317c1b..92af23d 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -76,12 +76,12 @@
struct net_device *dev);
extern struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net,
- struct in6_addr *addr,
+ const struct in6_addr *addr,
struct net_device *dev,
int strict);
extern int ipv6_dev_get_saddr(struct net_device *dev,
- struct in6_addr *daddr,
+ const struct in6_addr *daddr,
unsigned int srcprefs,
struct in6_addr *saddr);
extern int ipv6_get_lladdr(struct net_device *dev,
@@ -105,25 +105,27 @@
/*
* multicast prototypes (mcast.c)
*/
-extern int ipv6_sock_mc_join(struct sock *sk, int ifindex,
- struct in6_addr *addr);
-extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
- struct in6_addr *addr);
+extern int ipv6_sock_mc_join(struct sock *sk, int ifindex,
+ const struct in6_addr *addr);
+extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
+ const struct in6_addr *addr);
extern void ipv6_sock_mc_close(struct sock *sk);
-extern int inet6_mc_check(struct sock *sk, struct in6_addr *mc_addr,
- struct in6_addr *src_addr);
+extern int inet6_mc_check(struct sock *sk,
+ const struct in6_addr *mc_addr,
+ const struct in6_addr *src_addr);
-extern int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr);
-extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr);
-extern int ipv6_dev_mc_dec(struct net_device *dev, struct in6_addr *addr);
+extern int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr);
+extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr);
+extern int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr);
extern void ipv6_mc_up(struct inet6_dev *idev);
extern void ipv6_mc_down(struct inet6_dev *idev);
extern void ipv6_mc_init_dev(struct inet6_dev *idev);
extern void ipv6_mc_destroy_dev(struct inet6_dev *idev);
extern void addrconf_dad_failure(struct inet6_ifaddr *ifp);
-extern int ipv6_chk_mcast_addr(struct net_device *dev, struct in6_addr *group,
- struct in6_addr *src_addr);
+extern int ipv6_chk_mcast_addr(struct net_device *dev,
+ const struct in6_addr *group,
+ const struct in6_addr *src_addr);
extern int ipv6_is_mld(struct sk_buff *skb, int nexthdr);
extern void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len);
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 9080076..9313491 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -61,13 +61,13 @@
extern int ip6_del_rt(struct rt6_info *);
extern struct rt6_info *rt6_lookup(struct net *net,
- struct in6_addr *daddr,
- struct in6_addr *saddr,
+ const struct in6_addr *daddr,
+ const struct in6_addr *saddr,
int oif, int flags);
extern struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
struct neighbour *neigh,
- struct in6_addr *addr);
+ const struct in6_addr *addr);
extern int icmp6_dst_gc(int *more);
extern void fib6_force_start_gc(struct net *net);
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index a0c285b..49c4898 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -451,8 +451,8 @@
extern int ip6_nd_hdr(struct sock *sk,
struct sk_buff *skb,
struct net_device *dev,
- struct in6_addr *saddr,
- struct in6_addr *daddr,
+ const struct in6_addr *saddr,
+ const struct in6_addr *daddr,
int proto, int len);
extern int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr);
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 1642423..9c451ff 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -94,17 +94,17 @@
extern void ndisc_send_ns(struct net_device *dev,
struct neighbour *neigh,
- struct in6_addr *solicit,
- struct in6_addr *daddr,
- struct in6_addr *saddr);
+ const struct in6_addr *solicit,
+ const struct in6_addr *daddr,
+ const struct in6_addr *saddr);
extern void ndisc_send_rs(struct net_device *dev,
- struct in6_addr *saddr,
- struct in6_addr *daddr);
+ const struct in6_addr *saddr,
+ const struct in6_addr *daddr);
extern void ndisc_send_redirect(struct sk_buff *skb,
struct neighbour *neigh,
- struct in6_addr *target);
+ const struct in6_addr *target);
extern int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int dir);
@@ -134,7 +134,7 @@
extern void inet6_ifinfo_notify(int event,
struct inet6_dev *idev);
-static inline struct neighbour * ndisc_get_neigh(struct net_device *dev, struct in6_addr *addr)
+static inline struct neighbour * ndisc_get_neigh(struct net_device *dev, const struct in6_addr *addr)
{
if (dev)
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index d15f3e0..4048c2b 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -940,7 +940,7 @@
};
struct ipv6_saddr_dst {
- struct in6_addr *addr;
+ const struct in6_addr *addr;
int ifindex;
int scope;
int label;
@@ -1074,7 +1074,7 @@
}
int ipv6_dev_get_saddr(struct net_device *dst_dev,
- struct in6_addr *daddr, unsigned int prefs,
+ const struct in6_addr *daddr, unsigned int prefs,
struct in6_addr *saddr)
{
struct ipv6_saddr_score scores[2],
@@ -1309,7 +1309,7 @@
EXPORT_SYMBOL(ipv6_chk_prefix);
-struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, struct in6_addr *addr,
+struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, const struct in6_addr *addr,
struct net_device *dev, int strict)
{
struct inet6_ifaddr * ifp;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index c0dbe54..0af2e05 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -286,7 +286,7 @@
*/
int ip6_nd_hdr(struct sock *sk, struct sk_buff *skb, struct net_device *dev,
- struct in6_addr *saddr, struct in6_addr *daddr,
+ const struct in6_addr *saddr, const struct in6_addr *daddr,
int proto, int len)
{
struct ipv6_pinfo *np = inet6_sk(sk);
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 2e6a53f..0a0132a 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -127,8 +127,6 @@
/* Big mc list lock for all the sockets */
static DEFINE_RWLOCK(ipv6_sk_mc_lock);
-int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr);
-
static void igmp6_join_group(struct ifmcaddr6 *ma);
static void igmp6_leave_group(struct ifmcaddr6 *ma);
static void igmp6_timer_handler(unsigned long data);
@@ -177,7 +175,7 @@
* socket join on multicast group
*/
-int ipv6_sock_mc_join(struct sock *sk, int ifindex, struct in6_addr *addr)
+int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
{
struct net_device *dev = NULL;
struct ipv6_mc_socklist *mc_lst;
@@ -252,7 +250,7 @@
/*
* socket leave on multicast group
*/
-int ipv6_sock_mc_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
+int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6_mc_socklist *mc_lst, **lnk;
@@ -664,8 +662,8 @@
return err;
}
-int inet6_mc_check(struct sock *sk, struct in6_addr *mc_addr,
- struct in6_addr *src_addr)
+int inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr,
+ const struct in6_addr *src_addr)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6_mc_socklist *mc;
@@ -871,7 +869,7 @@
/*
* device multicast group inc (add if not found)
*/
-int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr)
+int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr)
{
struct ifmcaddr6 *mc;
struct inet6_dev *idev;
@@ -942,7 +940,7 @@
/*
* device multicast group del
*/
-int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr)
+int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr)
{
struct ifmcaddr6 *ma, **map;
@@ -967,7 +965,7 @@
return -ENOENT;
}
-int ipv6_dev_mc_dec(struct net_device *dev, struct in6_addr *addr)
+int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr)
{
struct inet6_dev *idev = in6_dev_get(dev);
int err;
@@ -1012,8 +1010,8 @@
/*
* check if the interface/address pair is valid
*/
-int ipv6_chk_mcast_addr(struct net_device *dev, struct in6_addr *group,
- struct in6_addr *src_addr)
+int ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
+ const struct in6_addr *src_addr)
{
struct inet6_dev *idev;
struct ifmcaddr6 *mc;
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index b3295d8..5b9ad5e 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -442,8 +442,9 @@
*/
static void __ndisc_send(struct net_device *dev,
struct neighbour *neigh,
- struct in6_addr *daddr, struct in6_addr *saddr,
- struct icmp6hdr *icmp6h, struct in6_addr *target,
+ const struct in6_addr *daddr,
+ const struct in6_addr *saddr,
+ struct icmp6hdr *icmp6h, const struct in6_addr *target,
int llinfo)
{
struct flowi fl;
@@ -529,12 +530,13 @@
}
static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
- struct in6_addr *daddr, struct in6_addr *solicited_addr,
- int router, int solicited, int override, int inc_opt)
+ const struct in6_addr *daddr,
+ const struct in6_addr *solicited_addr,
+ int router, int solicited, int override, int inc_opt)
{
struct in6_addr tmpaddr;
struct inet6_ifaddr *ifp;
- struct in6_addr *src_addr;
+ const struct in6_addr *src_addr;
struct icmp6hdr icmp6h = {
.icmp6_type = NDISC_NEIGHBOUR_ADVERTISEMENT,
};
@@ -564,8 +566,8 @@
}
void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
- struct in6_addr *solicit,
- struct in6_addr *daddr, struct in6_addr *saddr)
+ const struct in6_addr *solicit,
+ const struct in6_addr *daddr, const struct in6_addr *saddr)
{
struct in6_addr addr_buf;
struct icmp6hdr icmp6h = {
@@ -584,8 +586,8 @@
!ipv6_addr_any(saddr) ? ND_OPT_SOURCE_LL_ADDR : 0);
}
-void ndisc_send_rs(struct net_device *dev, struct in6_addr *saddr,
- struct in6_addr *daddr)
+void ndisc_send_rs(struct net_device *dev, const struct in6_addr *saddr,
+ const struct in6_addr *daddr)
{
struct icmp6hdr icmp6h = {
.icmp6_type = NDISC_ROUTER_SOLICITATION,
@@ -1447,7 +1449,7 @@
}
void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
- struct in6_addr *target)
+ const struct in6_addr *target)
{
struct net_device *dev = skb->dev;
struct net *net = dev_net(dev);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 269b760..6293cb9 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -556,8 +556,8 @@
}
-struct rt6_info *rt6_lookup(struct net *net, struct in6_addr *daddr,
- struct in6_addr *saddr, int oif, int strict)
+struct rt6_info *rt6_lookup(struct net *net, const struct in6_addr *daddr,
+ const struct in6_addr *saddr, int oif, int strict)
{
struct flowi fl = {
.oif = oif,
@@ -925,7 +925,7 @@
struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
struct neighbour *neigh,
- struct in6_addr *addr)
+ const struct in6_addr *addr)
{
struct rt6_info *rt;
struct inet6_dev *idev = in6_dev_get(dev);