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authorAl Viro <viro@zeniv.linux.org.uk>2006-09-26 21:25:20 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-28 17:54:02 -0700
commit9e12bb22e32389b41222c9d9fb55724fed83a038 (patch)
tree8961158286de30363fe3a4c2be25d1d4c89168b2 /net
parent046d033148e6936ee2466d38214cf0743a210f39 (diff)
[IPV4]: ip_route_input() annotations
ip_route_input() takes net-endian source and destination address. * Annotated as such. * arguments of its invocations annotated where needed. * local helpers getting the same values passed to by it (ip_route_input_mc(), ip_route_input_slow(), ip_handle_martian_source(), ip_mkroute_input(), ip_mkroute_input_def(), __mkroute_input()) annotated Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/arp.c2
-rw-r--r--net/ipv4/ip_options.c2
-rw-r--r--net/ipv4/route.c22
3 files changed, 14 insertions, 12 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index c8a3723bc001..48e1ccb2ff55 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -710,7 +710,7 @@ static int arp_process(struct sk_buff *skb)
unsigned char *arp_ptr;
struct rtable *rt;
unsigned char *sha, *tha;
- u32 sip, tip;
+ __be32 sip, tip;
u16 dev_type = dev->type;
int addr_type;
struct neighbour *n;
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index e7437c091326..87f25486fd64 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -607,7 +607,7 @@ int ip_options_rcv_srr(struct sk_buff *skb)
{
struct ip_options *opt = &(IPCB(skb)->opt);
int srrspace, srrptr;
- u32 nexthop;
+ __be32 nexthop;
struct iphdr *iph = skb->nh.iph;
unsigned char * optptr = skb->nh.raw + opt->srr;
struct rtable *rt = (struct rtable*)skb->dst;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 20ffe8e88c0f..bbe529774fd9 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1596,7 +1596,7 @@ static void rt_set_nexthop(struct rtable *rt, struct fib_result *res, u32 itag)
rt->rt_type = res->type;
}
-static int ip_route_input_mc(struct sk_buff *skb, u32 daddr, u32 saddr,
+static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
u8 tos, struct net_device *dev, int our)
{
unsigned hash;
@@ -1681,8 +1681,8 @@ e_inval:
static void ip_handle_martian_source(struct net_device *dev,
struct in_device *in_dev,
struct sk_buff *skb,
- u32 daddr,
- u32 saddr)
+ __be32 daddr,
+ __be32 saddr)
{
RT_CACHE_STAT_INC(in_martian_src);
#ifdef CONFIG_IP_ROUTE_VERBOSE
@@ -1712,7 +1712,7 @@ static void ip_handle_martian_source(struct net_device *dev,
static inline int __mkroute_input(struct sk_buff *skb,
struct fib_result* res,
struct in_device *in_dev,
- u32 daddr, u32 saddr, u32 tos,
+ __be32 daddr, __be32 saddr, u32 tos,
struct rtable **result)
{
@@ -1813,7 +1813,7 @@ static inline int ip_mkroute_input_def(struct sk_buff *skb,
struct fib_result* res,
const struct flowi *fl,
struct in_device *in_dev,
- u32 daddr, u32 saddr, u32 tos)
+ __be32 daddr, __be32 saddr, u32 tos)
{
struct rtable* rth = NULL;
int err;
@@ -1838,7 +1838,7 @@ static inline int ip_mkroute_input(struct sk_buff *skb,
struct fib_result* res,
const struct flowi *fl,
struct in_device *in_dev,
- u32 daddr, u32 saddr, u32 tos)
+ __be32 daddr, __be32 saddr, u32 tos)
{
#ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
struct rtable* rth = NULL, *rtres;
@@ -1901,7 +1901,7 @@ static inline int ip_mkroute_input(struct sk_buff *skb,
* 2. IP spoofing attempts are filtered with 100% of guarantee.
*/
-static int ip_route_input_slow(struct sk_buff *skb, u32 daddr, u32 saddr,
+static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
u8 tos, struct net_device *dev)
{
struct fib_result res;
@@ -1920,7 +1920,7 @@ static int ip_route_input_slow(struct sk_buff *skb, u32 daddr, u32 saddr,
u32 itag = 0;
struct rtable * rth;
unsigned hash;
- u32 spec_dst;
+ __be32 spec_dst;
int err = -EINVAL;
int free_res = 0;
@@ -2087,7 +2087,7 @@ martian_source:
goto e_inval;
}
-int ip_route_input(struct sk_buff *skb, u32 daddr, u32 saddr,
+int ip_route_input(struct sk_buff *skb, __be32 daddr, __be32 saddr,
u8 tos, struct net_device *dev)
{
struct rtable * rth;
@@ -2740,7 +2740,9 @@ int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void *arg)
struct rtmsg *rtm;
struct nlattr *tb[RTA_MAX+1];
struct rtable *rt = NULL;
- u32 dst, src, iif;
+ __be32 dst = 0;
+ __be32 src = 0;
+ u32 iif;
int err;
struct sk_buff *skb;