Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e773e4faa19c54c2f32ddd16add2919588488bd9
Commit: e773e4faa19c54c2f32ddd16add2919588488bd9
Parent: 6f4fc423b96c8fdf6f5c8b8ad79b75b7fb5a5c59
Author: Brian Haley <[EMAIL PROTECTED]>
AuthorDate: Fri Aug 24 23:16:08 2007 -0700
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Oct 10 16:48:32 2007 -0700
[IPV6]: Add v4mapped address inline
Add v4mapped address inline to avoid calls to ipv6_addr_type().
Signed-off-by: Brian Haley <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
include/net/ipv6.h | 6 ++++++
net/ipv6/ipv6_sockglue.c | 2 +-
net/ipv6/tcp_ipv6.c | 4 ++--
net/ipv6/udp.c | 2 +-
net/sctp/ipv6.c | 4 ++--
5 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 9059e0e..9573c8d 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -377,6 +377,12 @@ static inline int ipv6_addr_any(const struct in6_addr *a)
a->s6_addr32[2] | a->s6_addr32[3] ) == 0);
}
+static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
+{
+ return ((a->s6_addr32[0] | a->s6_addr32[1]) == 0 &&
+ a->s6_addr32[2] == htonl(0x0000ffff));
+}
+
/*
* find the first different bit between two addresses
* length of address must be a multiple of 32bits
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 6b038aa..74254fc 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -249,7 +249,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level,
int optname,
}
if (ipv6_only_sock(sk) ||
- !(ipv6_addr_type(&np->daddr) & IPV6_ADDR_MAPPED)) {
+ !ipv6_addr_v4mapped(&np->daddr)) {
retv = -EADDRNOTAVAIL;
break;
}
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 3e06799..a07b59c 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -697,7 +697,7 @@ static int tcp_v6_parse_md5_keys (struct sock *sk, char
__user *optval,
if (!cmd.tcpm_keylen) {
if (!tcp_sk(sk)->md5sig_info)
return -ENOENT;
- if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_MAPPED)
+ if (ipv6_addr_v4mapped(&sin6->sin6_addr))
return tcp_v4_md5_do_del(sk,
sin6->sin6_addr.s6_addr32[3]);
return tcp_v6_md5_do_del(sk, &sin6->sin6_addr);
}
@@ -720,7 +720,7 @@ static int tcp_v6_parse_md5_keys (struct sock *sk, char
__user *optval,
newkey = kmemdup(cmd.tcpm_key, cmd.tcpm_keylen, GFP_KERNEL);
if (!newkey)
return -ENOMEM;
- if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_MAPPED) {
+ if (ipv6_addr_v4mapped(&sin6->sin6_addr)) {
return tcp_v4_md5_do_add(sk, sin6->sin6_addr.s6_addr32[3],
newkey, cmd.tcpm_keylen);
}
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index c347f3e..82ff26d 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -612,7 +612,7 @@ int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
daddr = NULL;
if (daddr) {
- if (ipv6_addr_type(daddr) == IPV6_ADDR_MAPPED) {
+ if (ipv6_addr_v4mapped(daddr)) {
struct sockaddr_in sin;
sin.sin_family = AF_INET;
sin.sin_port = sin6 ? sin6->sin6_port : inet->dport;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 670fd27..ec29b97 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -493,7 +493,7 @@ static int sctp_v6_cmp_addr(const union sctp_addr *addr1,
if (addr1->sa.sa_family != addr2->sa.sa_family) {
if (addr1->sa.sa_family == AF_INET &&
addr2->sa.sa_family == AF_INET6 &&
- IPV6_ADDR_MAPPED == ipv6_addr_type(&addr2->v6.sin6_addr)) {
+ ipv6_addr_v4mapped(&addr2->v6.sin6_addr)) {
if (addr2->v6.sin6_port == addr1->v4.sin_port &&
addr2->v6.sin6_addr.s6_addr32[3] ==
addr1->v4.sin_addr.s_addr)
@@ -501,7 +501,7 @@ static int sctp_v6_cmp_addr(const union sctp_addr *addr1,
}
if (addr2->sa.sa_family == AF_INET &&
addr1->sa.sa_family == AF_INET6 &&
- IPV6_ADDR_MAPPED == ipv6_addr_type(&addr1->v6.sin6_addr)) {
+ ipv6_addr_v4mapped(&addr1->v6.sin6_addr)) {
if (addr1->v6.sin6_port == addr2->v4.sin_port &&
addr1->v6.sin6_addr.s6_addr32[3] ==
addr2->v4.sin_addr.s_addr)
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
