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[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>
This commit is contained in:
Al Viro 2006-09-26 21:25:20 -07:00 committed by David S. Miller
parent 046d033148
commit 9e12bb22e3
4 changed files with 15 additions and 13 deletions
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2
include/net/route.h
View File

@ -116,7 +116,7 @@ extern void rt_cache_flush(int how);
extern int __ip_route_output_key(struct rtable **, const struct flowi *flp);
extern int ip_route_output_key(struct rtable **, struct flowi *flp);
extern int ip_route_output_flow(struct rtable **rp, struct flowi *flp, struct sock *sk, int flags);
extern int ip_route_input(struct sk_buff*, u32 dst, u32 src, u8 tos, struct net_device *devin);
extern int ip_route_input(struct sk_buff*, __be32 dst, __be32 src, u8 tos, struct net_device *devin);
extern unsigned short ip_rt_frag_needed(struct iphdr *iph, unsigned short new_mtu);
extern void ip_rt_send_redirect(struct sk_buff *skb);

2
net/ipv4/arp.c
View File

@ -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;

2
net/ipv4/ip_options.c
View File

@ -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;

22
net/ipv4/route.c
View File

@ -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;