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[IPV6]: Support several new sockopt / ancillary data in Advanced API (RFC3542).

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Support several new socket options / ancillary data:
  IPV6_RECVPKTINFO, IPV6_PKTINFO,
  IPV6_RECVHOPOPTS, IPV6_HOPOPTS,
  IPV6_RECVDSTOPTS, IPV6_DSTOPTS, IPV6_RTHDRDSTOPTS,
  IPV6_RECVRTHDR, IPV6_RTHDR,
  IPV6_RECVHOPOPTS, IPV6_HOPOPTS

Old semantics are preserved as IPV6_2292xxxx so that
we can maintain backward compatibility.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki 2005-09-08 09:59:17 +09:00
parent 4706df3d3c
commit 333fad5364
10 changed files with 423 additions and 49 deletions
Download patch file Download diff file Expand all files Collapse all files

10
include/linux/ipv6.h
View file

@ -189,6 +189,7 @@ struct inet6_skb_parm {
__u16 dst0;
__u16 srcrt;
__u16 dst1;
__u16 lastopt;
};
#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))
@ -234,14 +235,19 @@ struct ipv6_pinfo {
/* pktoption flags */
union {
struct {
__u8 srcrt:2,
__u16 srcrt:2,
osrcrt:2,
rxinfo:1,
rxoinfo:1,
rxhlim:1,
rxohlim:1,
hopopts:1,
ohopopts:1,
dstopts:1,
odstopts:1,
rxflow:1;
} bits;
__u8 all;
__u16 all;
} rxopt;
/* sockopt flags */