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authorMartin KaFai Lau <kafai@fb.com>2015-05-22 20:55:57 -0700
committerDavid S. Miller <davem@davemloft.net>2015-05-25 13:25:32 -0400
commitfd0273d7939f2ce3247f6aac5f6b9a0135d4cd39 (patch)
treeddc154611a679e85f1db7440752001d40794e710 /net/ipv6/output_core.c
parent286c2349f6665c3e67f464a5faa14a0e28be4842 (diff)
ipv6: Remove external dependency on rt6i_dst and rt6i_src
This patch removes the assumptions that the returned rt is always a RTF_CACHE entry with the rt6i_dst and rt6i_src containing the destination and source address. The dst and src can be recovered from the calling site. We may consider to rename (rt6i_dst, rt6i_src) to (rt6i_key_dst, rt6i_key_src) later. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Reviewed-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Cc: Steffen Klassert <steffen.klassert@secunet.com> Cc: Julian Anastasov <ja@ssi.bg> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/output_core.c')
-rw-r--r--net/ipv6/output_core.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c
index ef0e2326496b..055e85cb7b65 100644
--- a/net/ipv6/output_core.c
+++ b/net/ipv6/output_core.c
@@ -10,7 +10,8 @@
#include <net/secure_seq.h>
static u32 __ipv6_select_ident(struct net *net, u32 hashrnd,
- struct in6_addr *dst, struct in6_addr *src)
+ const struct in6_addr *dst,
+ const struct in6_addr *src)
{
u32 hash, id;
@@ -60,15 +61,16 @@ void ipv6_proxy_select_ident(struct net *net, struct sk_buff *skb)
}
EXPORT_SYMBOL_GPL(ipv6_proxy_select_ident);
-u32 ipv6_select_ident(struct net *net, struct rt6_info *rt)
+u32 ipv6_select_ident(struct net *net,
+ const struct in6_addr *daddr,
+ const struct in6_addr *saddr)
{
static u32 ip6_idents_hashrnd __read_mostly;
u32 id;
net_get_random_once(&ip6_idents_hashrnd, sizeof(ip6_idents_hashrnd));
- id = __ipv6_select_ident(net, ip6_idents_hashrnd, &rt->rt6i_dst.addr,
- &rt->rt6i_src.addr);
+ id = __ipv6_select_ident(net, ip6_idents_hashrnd, daddr, saddr);
return htonl(id);
}
EXPORT_SYMBOL(ipv6_select_ident);

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