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[IPV6]: Make address arguments const.

Browse source 
- 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>
This commit is contained in:
YOSHIFUJI Hideaki 2008-04-10 15:42:10 +09:00
parent dfd982baff
commit 9acd9f3ae9
9 changed files with 55 additions and 53 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
include/net/addrconf.h
View file

@ -76,12 +76,12 @@ extern int ipv6_chk_prefix(struct in6_addr *addr,
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,
@ -106,24 +106,26 @@ extern u32 ipv6_addr_label(const struct in6_addr *addr,
* multicast prototypes (mcast.c)
*/
extern int ipv6_sock_mc_join(struct sock *sk, int ifindex,
struct in6_addr *addr);
const struct in6_addr *addr);
extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
struct in6_addr *addr);
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);

6
include/net/ip6_route.h
View file

@ -61,13 +61,13 @@ extern int ip6_ins_rt(struct rt6_info *);
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);

4
include/net/ipv6.h
View file

@ -451,8 +451,8 @@ extern int ip6_xmit(struct sock *sk,
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);

14
include/net/ndisc.h
View file

@ -94,17 +94,17 @@ extern int ndisc_rcv(struct sk_buff *skb);
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 int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl,
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)

6
net/ipv6/addrconf.c
View file

@ -940,7 +940,7 @@ struct ipv6_saddr_score {
};
struct ipv6_saddr_dst {
struct in6_addr *addr;
const struct in6_addr *addr;
int ifindex;
int scope;
int label;
@ -1074,7 +1074,7 @@ static int ipv6_get_saddr_eval(struct ipv6_saddr_score *score,
}
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 @@ int ipv6_chk_prefix(struct in6_addr *addr, struct net_device *dev)
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;

2
net/ipv6/ip6_output.c
View file

@ -286,7 +286,7 @@ EXPORT_SYMBOL(ip6_xmit);
*/
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);

20
net/ipv6/mcast.c
View file

@ -127,8 +127,6 @@ static struct in6_addr mld2_all_mcr = MLD2_ALL_MCR_INIT;
/* 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 @@ int sysctl_mld_max_msf __read_mostly = IPV6_MLD_MAX_MSF;
* 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 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, struct in6_addr *addr)
/*
* 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 @@ int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
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 @@ static void mld_clear_delrec(struct inet6_dev *idev)
/*
* 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 @@ int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr)
/*
* 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 @@ int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr)
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 @@ int ipv6_is_mld(struct sk_buff *skb, int nexthdr)
/*
* 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;

20
net/ipv6/ndisc.c
View file

@ -442,8 +442,9 @@ static void pndisc_destructor(struct pneigh_entry *n)
*/
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(struct net_device *dev,
}
static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
struct in6_addr *daddr, struct in6_addr *solicited_addr,
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 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
}
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 @@ void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
!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 @@ static void ndisc_redirect_rcv(struct sk_buff *skb)
}
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);

6
net/ipv6/route.c
View file

@ -556,8 +556,8 @@ static struct rt6_info *ip6_pol_route_lookup(struct net *net,
}
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 @@ static DEFINE_SPINLOCK(icmp6_dst_lock);
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);