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[IPV6]: Make ndisc_dst_alloc() common for later use. 

For later use, this patch is renaming ndisc_dst_alloc()
(and related function/structures) to icmp6_dst_alloc()
(and so on).  This patch also removing unused function-
pointer argument for it.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki 2007-12-06 16:11:48 -08:00
parent 95e41e93e1
commit 3b00944c5c
4 changed files with 19 additions and 20 deletions
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8
include/net/ip6_route.h
View File

@ -73,11 +73,11 @@ extern struct rt6_info *rt6_lookup(struct in6_addr *daddr,
struct in6_addr *saddr,
int oif, int flags);
extern struct dst_entry *ndisc_dst_alloc(struct net_device *dev,
extern struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
struct neighbour *neigh,
struct in6_addr *addr,
int (*output)(struct sk_buff *));
extern int ndisc_dst_gc(int *more);
struct in6_addr *addr);
extern int icmp6_dst_gc(int *more);
extern void fib6_force_start_gc(void);
extern struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,

2
net/ipv6/ip6_fib.c
View File

@ -1464,7 +1464,7 @@ void fib6_run_gc(unsigned long dummy)
}
gc_args.more = 0;
ndisc_dst_gc(&gc_args.more);
icmp6_dst_gc(&gc_args.more);
fib6_clean_all(fib6_age, 0, NULL);
if (gc_args.more)

2
net/ipv6/ndisc.c
View File

@ -462,7 +462,7 @@ static void __ndisc_send(struct net_device *dev,
icmpv6_flow_init(ndisc_socket->sk, &fl, type,
saddr, daddr, dev->ifindex);
dst = ndisc_dst_alloc(dev, neigh, daddr, ip6_output);
dst = icmp6_dst_alloc(dev, neigh, daddr);
if (!dst)
return;

27
net/ipv6/route.c
View File

@ -904,13 +904,12 @@ static inline unsigned int ipv6_advmss(unsigned int mtu)
return mtu;
}
static struct dst_entry *ndisc_dst_gc_list;
static DEFINE_SPINLOCK(ndisc_lock);
static struct dst_entry *icmp6_dst_gc_list;
static DEFINE_SPINLOCK(icmp6_dst_lock);
struct dst_entry *ndisc_dst_alloc(struct net_device *dev,
struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
struct neighbour *neigh,
struct in6_addr *addr,
int (*output)(struct sk_buff *))
struct in6_addr *addr)
{
struct rt6_info *rt;
struct inet6_dev *idev = in6_dev_get(dev);
@ -937,7 +936,7 @@ struct dst_entry *ndisc_dst_alloc(struct net_device *dev,
rt->u.dst.metrics[RTAX_HOPLIMIT-1] = 255;
rt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(rt->rt6i_dev);
rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(dst_mtu(&rt->u.dst));
rt->u.dst.output = output;
rt->u.dst.output = ip6_output;
#if 0 /* there's no chance to use these for ndisc */
rt->u.dst.flags = ipv6_addr_type(addr) & IPV6_ADDR_UNICAST
@ -947,10 +946,10 @@ struct dst_entry *ndisc_dst_alloc(struct net_device *dev,
rt->rt6i_dst.plen = 128;
#endif
spin_lock_bh(&ndisc_lock);
rt->u.dst.next = ndisc_dst_gc_list;
ndisc_dst_gc_list = &rt->u.dst;
spin_unlock_bh(&ndisc_lock);
spin_lock_bh(&icmp6_dst_lock);
rt->u.dst.next = icmp6_dst_gc_list;
icmp6_dst_gc_list = &rt->u.dst;
spin_unlock_bh(&icmp6_dst_lock);
fib6_force_start_gc();
@ -958,7 +957,7 @@ out:
return &rt->u.dst;
}
int ndisc_dst_gc(int *more)
int icmp6_dst_gc(int *more)
{
struct dst_entry *dst, *next, **pprev;
int freed;
@ -966,8 +965,8 @@ int ndisc_dst_gc(int *more)
next = NULL;
freed = 0;
spin_lock_bh(&ndisc_lock);
pprev = &ndisc_dst_gc_list;
spin_lock_bh(&icmp6_dst_lock);
pprev = &icmp6_dst_gc_list;
while ((dst = *pprev) != NULL) {
if (!atomic_read(&dst->__refcnt)) {
@ -980,7 +979,7 @@ int ndisc_dst_gc(int *more)
}
}
spin_unlock_bh(&ndisc_lock);
spin_unlock_bh(&icmp6_dst_lock);
return freed;
}