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ipv6: improve ipv6_find_hdr() to skip empty routing headers

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This patch prepares ipv6_find_hdr() function so that it could be
able to skip routing headers, where segements_left is 0. This is
required to handle multiple routing header case correctly when
changing IPv6 addresses.

Signed-off-by: Ansis Atteka <aatteka@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Ansis Atteka
2012-11-09 17:11:31 -08:00
committed by Jesse Gross
parent f8f626754e
commit 9195bb8e38
2 changed files with 31 additions and 10 deletions
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5
include/net/ipv6.h
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@@ -631,8 +631,9 @@ extern int ipv6_skip_exthdr(const struct sk_buff *, int start,
extern bool ipv6_ext_hdr(u8 nexthdr);
enum {
IP6_FH_F_FRAG = (1 << 0),
IP6_FH_F_AUTH = (1 << 1),
IP6_FH_F_FRAG = (1 << 0),
IP6_FH_F_AUTH = (1 << 1),
IP6_FH_F_SKIP_RH = (1 << 2),
};
/* find specified header and get offset to it */