From e6df439b89dbf9eb977c2dc6f7b0644be3704df4 Mon Sep 17 00:00:00 2001 From: Brian Haley Date: Sat, 10 Sep 2005 00:15:06 -0700 Subject: [PATCH] [IPV6]: Bring Type 0 routing header in-line with rfc3542. Signed-off-by: Brian Haley Signed-off-by: YOSHIFUJI Hideaki Signed-off-by: David S. Miller --- include/linux/ipv6.h | 2 +- net/ipv6/exthdrs.c | 3 +-- net/ipv6/netfilter/ip6t_rt.c | 14 +++++++------- 3 files changed, 9 insertions(+), 10 deletions(-) diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 6c5f7b39a4b0..bb6f88e14061 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -68,7 +68,7 @@ struct ipv6_opt_hdr { struct rt0_hdr { struct ipv6_rt_hdr rt_hdr; - __u32 bitmap; /* strict/loose bit map */ + __u32 reserved; struct in6_addr addr[0]; #define rt0_type rt_hdr.type diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 47122728212a..922549581abc 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -406,8 +406,7 @@ ipv6_invert_rthdr(struct sock *sk, struct ipv6_rt_hdr *hdr) memcpy(opt->srcrt, hdr, sizeof(*hdr)); irthdr = (struct rt0_hdr*)opt->srcrt; - /* Obsolete field, MBZ, when originated by us */ - irthdr->bitmap = 0; + irthdr->reserved = 0; opt->srcrt->segments_left = n; for (i=0; iaddr+i, rthdr->addr+(n-1-i), 16); diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c index a9526b773d28..2bb670037df3 100644 --- a/net/ipv6/netfilter/ip6t_rt.c +++ b/net/ipv6/netfilter/ip6t_rt.c @@ -161,8 +161,8 @@ match(const struct sk_buff *skb, ((rtinfo->hdrlen == hdrlen) ^ !!(rtinfo->invflags & IP6T_RT_INV_LEN)))); DEBUGP("res %02X %02X %02X ", - (rtinfo->flags & IP6T_RT_RES), ((struct rt0_hdr *)rh)->bitmap, - !((rtinfo->flags & IP6T_RT_RES) && (((struct rt0_hdr *)rh)->bitmap))); + (rtinfo->flags & IP6T_RT_RES), ((struct rt0_hdr *)rh)->reserved, + !((rtinfo->flags & IP6T_RT_RES) && (((struct rt0_hdr *)rh)->reserved))); ret = (rh != NULL) && @@ -179,12 +179,12 @@ match(const struct sk_buff *skb, !!(rtinfo->invflags & IP6T_RT_INV_TYP))); if (ret && (rtinfo->flags & IP6T_RT_RES)) { - u_int32_t *bp, _bitmap; - bp = skb_header_pointer(skb, - ptr + offsetof(struct rt0_hdr, bitmap), - sizeof(_bitmap), &_bitmap); + u_int32_t *rp, _reserved; + rp = skb_header_pointer(skb, + ptr + offsetof(struct rt0_hdr, reserved), + sizeof(_reserved), &_reserved); - ret = (*bp == 0); + ret = (*rp == 0); } DEBUGP("#%d ",rtinfo->addrnr); -- 2.39.2