AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

[IPV4]: annotate inet_lookup() and friends

Browse Source 
inet_lookup() annotated along with helper functions (__inet_lookup(),
__inet_lookup_established(), inet_lookup_established(),
inet_lookup_listener(), __inet_lookup_listener() and inet_ehashfn())

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 2006-09-27 18:43:33 -07:00 committed by David S. Miller
parent 4f765d842f
commit fb99c848e5
3 changed files with 21 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
include/net/inet_hashtables.h
View File

@ -272,12 +272,12 @@ static inline int inet_iif(const struct sk_buff *skb)
}
extern struct sock *__inet_lookup_listener(struct inet_hashinfo *hashinfo,
const u32 daddr,
const __be32 daddr,
const unsigned short hnum,
const int dif);
static inline struct sock *inet_lookup_listener(struct inet_hashinfo *hashinfo,
u32 daddr, u16 dport, int dif)
__be32 daddr, __be16 dport, int dif)
{
return __inet_lookup_listener(hashinfo, daddr, ntohs(dport), dif);
}
@ -347,8 +347,8 @@ typedef __u64 __bitwise __addrpair;
*/
static inline struct sock *
__inet_lookup_established(struct inet_hashinfo *hashinfo,
const u32 saddr, const u16 sport,
const u32 daddr, const u16 hnum,
const __be32 saddr, const __be16 sport,
const __be32 daddr, const u16 hnum,
const int dif)
{
INET_ADDR_COOKIE(acookie, saddr, daddr)
@ -384,8 +384,8 @@ static inline struct sock *
static inline struct sock *
inet_lookup_established(struct inet_hashinfo *hashinfo,
const u32 saddr, const u16 sport,
const u32 daddr, const u16 dport,
const __be32 saddr, const __be16 sport,
const __be32 daddr, const __be16 dport,
const int dif)
{
return __inet_lookup_established(hashinfo, saddr, sport, daddr,
@ -393,8 +393,8 @@ static inline struct sock *
}
static inline struct sock *__inet_lookup(struct inet_hashinfo *hashinfo,
const u32 saddr, const u16 sport,
const u32 daddr, const u16 dport,
const __be32 saddr, const __be16 sport,
const __be32 daddr, const __be16 dport,
const int dif)
{
u16 hnum = ntohs(dport);
@ -404,8 +404,8 @@ static inline struct sock *__inet_lookup(struct inet_hashinfo *hashinfo,
}
static inline struct sock *inet_lookup(struct inet_hashinfo *hashinfo,
const u32 saddr, const u16 sport,
const u32 daddr, const u16 dport,
const __be32 saddr, const __be16 sport,
const __be32 daddr, const __be16 dport,
const int dif)
{
struct sock *sk;

12
include/net/inet_sock.h
View File

@ -167,10 +167,10 @@ static inline void inet_sk_copy_descendant(struct sock *sk_to,
extern int inet_sk_rebuild_header(struct sock *sk);
static inline unsigned int inet_ehashfn(const __u32 laddr, const __u16 lport,
const __u32 faddr, const __u16 fport)
static inline unsigned int inet_ehashfn(const __be32 laddr, const __u16 lport,
const __be32 faddr, const __be16 fport)
{
unsigned int h = (laddr ^ lport) ^ (faddr ^ fport);
unsigned int h = ((__force __u32)laddr ^ lport) ^ ((__force __u32)faddr ^ (__force __u32)fport);
h ^= h >> 16;
h ^= h >> 8;
return h;
@ -179,10 +179,10 @@ static inline unsigned int inet_ehashfn(const __u32 laddr, const __u16 lport,
static inline int inet_sk_ehashfn(const struct sock *sk)
{
const struct inet_sock *inet = inet_sk(sk);
const __u32 laddr = inet->rcv_saddr;
const __be32 laddr = inet->rcv_saddr;
const __u16 lport = inet->num;
const __u32 faddr = inet->daddr;
const __u16 fport = inet->dport;
const __be32 faddr = inet->daddr;
const __be16 fport = inet->dport;
return inet_ehashfn(laddr, lport, faddr, fport);
}

10
net/ipv4/inet_hashtables.c
View File

@ -125,7 +125,7 @@ EXPORT_SYMBOL(inet_listen_wlock);
* wildcarded during the search since they can never be otherwise.
*/
static struct sock *inet_lookup_listener_slow(const struct hlist_head *head,
const u32 daddr,
const __be32 daddr,
const unsigned short hnum,
const int dif)
{
@ -137,7 +137,7 @@ static struct sock *inet_lookup_listener_slow(const struct hlist_head *head,
const struct inet_sock *inet = inet_sk(sk);
if (inet->num == hnum && !ipv6_only_sock(sk)) {
const __u32 rcv_saddr = inet->rcv_saddr;
const __be32 rcv_saddr = inet->rcv_saddr;
int score = sk->sk_family == PF_INET ? 1 : 0;
if (rcv_saddr) {
@ -163,7 +163,7 @@ static struct sock *inet_lookup_listener_slow(const struct hlist_head *head,
/* Optimize the common listener case. */
struct sock *__inet_lookup_listener(struct inet_hashinfo *hashinfo,
const u32 daddr, const unsigned short hnum,
const __be32 daddr, const unsigned short hnum,
const int dif)
{
struct sock *sk = NULL;
@ -197,8 +197,8 @@ static int __inet_check_established(struct inet_timewait_death_row *death_row,
{
struct inet_hashinfo *hinfo = death_row->hashinfo;
struct inet_sock *inet = inet_sk(sk);
u32 daddr = inet->rcv_saddr;
u32 saddr = inet->daddr;
__be32 daddr = inet->rcv_saddr;
__be32 saddr = inet->daddr;
int dif = sk->sk_bound_dev_if;
INET_ADDR_COOKIE(acookie, saddr, daddr)
const __portpair ports = INET_COMBINED_PORTS(inet->dport, lport);