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inet: constify 'struct net' parameter of various lookup helpers

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Following helpers do not touch their struct net argument:

- bpf_sk_lookup_run_v4()
- inet_lookup_reuseport()
- inet_lhash2_lookup()
- inet_lookup_run_sk_lookup()
- __inet_lookup_listener()
- __inet_lookup_established()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240802134029.3748005-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet 2024-08-02 13:40:26 +00:00 committed by Jakub Kicinski
parent a2dc7bee4f
commit d4433e8b40
3 changed files with 10 additions and 10 deletions
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2
include/linux/filter.h
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@ -1616,7 +1616,7 @@ extern struct static_key_false bpf_sk_lookup_enabled;
_all_pass || _selected_sk ? SK_PASS : SK_DROP; \ _all_pass || _selected_sk ? SK_PASS : SK_DROP; \
}) })
static inline bool bpf_sk_lookup_run_v4(struct net *net, int protocol, static inline bool bpf_sk_lookup_run_v4(const struct net *net, int protocol,
const __be32 saddr, const __be16 sport, const __be32 saddr, const __be16 sport,
const __be32 daddr, const u16 dport, const __be32 daddr, const u16 dport,
const int ifindex, struct sock **psk) const int ifindex, struct sock **psk)

8
include/net/inet_hashtables.h
View File

@ -304,7 +304,7 @@ int __inet_hash(struct sock *sk, struct sock *osk);
int inet_hash(struct sock *sk); int inet_hash(struct sock *sk);
void inet_unhash(struct sock *sk); void inet_unhash(struct sock *sk);
struct sock *__inet_lookup_listener(struct net *net, struct sock *__inet_lookup_listener(const struct net *net,
struct inet_hashinfo *hashinfo, struct inet_hashinfo *hashinfo,
struct sk_buff *skb, int doff, struct sk_buff *skb, int doff,
const __be32 saddr, const __be16 sport, const __be32 saddr, const __be16 sport,
@ -368,7 +368,7 @@ static inline bool inet_match(const struct net *net, const struct sock *sk,
/* Sockets in TCP_CLOSE state are _always_ taken out of the hash, so we need /* Sockets in TCP_CLOSE state are _always_ taken out of the hash, so we need
* not check it for lookups anymore, thanks Alexey. -DaveM * not check it for lookups anymore, thanks Alexey. -DaveM
*/ */
struct sock *__inet_lookup_established(struct net *net, struct sock *__inet_lookup_established(const struct net *net,
struct inet_hashinfo *hashinfo, struct inet_hashinfo *hashinfo,
const __be32 saddr, const __be16 sport, const __be32 saddr, const __be16 sport,
const __be32 daddr, const u16 hnum, const __be32 daddr, const u16 hnum,
@ -382,13 +382,13 @@ inet_ehashfn_t inet_ehashfn;
INDIRECT_CALLABLE_DECLARE(inet_ehashfn_t udp_ehashfn); INDIRECT_CALLABLE_DECLARE(inet_ehashfn_t udp_ehashfn);
struct sock *inet_lookup_reuseport(struct net *net, struct sock *sk, struct sock *inet_lookup_reuseport(const struct net *net, struct sock *sk,
struct sk_buff *skb, int doff, struct sk_buff *skb, int doff,
__be32 saddr, __be16 sport, __be32 saddr, __be16 sport,
__be32 daddr, unsigned short hnum, __be32 daddr, unsigned short hnum,
inet_ehashfn_t *ehashfn); inet_ehashfn_t *ehashfn);
struct sock *inet_lookup_run_sk_lookup(struct net *net, struct sock *inet_lookup_run_sk_lookup(const struct net *net,
int protocol, int protocol,
struct sk_buff *skb, int doff, struct sk_buff *skb, int doff,
__be32 saddr, __be16 sport, __be32 saddr, __be16 sport,

10
net/ipv4/inet_hashtables.c
View File

@ -348,7 +348,7 @@ static inline int compute_score(struct sock *sk, const struct net *net,
* Return: NULL if sk doesn't have SO_REUSEPORT set, otherwise a pointer to * Return: NULL if sk doesn't have SO_REUSEPORT set, otherwise a pointer to
* the selected sock or an error. * the selected sock or an error.
*/ */
struct sock *inet_lookup_reuseport(struct net *net, struct sock *sk, struct sock *inet_lookup_reuseport(const struct net *net, struct sock *sk,
struct sk_buff *skb, int doff, struct sk_buff *skb, int doff,
__be32 saddr, __be16 sport, __be32 saddr, __be16 sport,
__be32 daddr, unsigned short hnum, __be32 daddr, unsigned short hnum,
@ -374,7 +374,7 @@ EXPORT_SYMBOL_GPL(inet_lookup_reuseport);
*/ */
/* called with rcu_read_lock() : No refcount taken on the socket */ /* called with rcu_read_lock() : No refcount taken on the socket */
static struct sock *inet_lhash2_lookup(struct net *net, static struct sock *inet_lhash2_lookup(const struct net *net,
struct inet_listen_hashbucket *ilb2, struct inet_listen_hashbucket *ilb2,
struct sk_buff *skb, int doff, struct sk_buff *skb, int doff,
const __be32 saddr, __be16 sport, const __be32 saddr, __be16 sport,
@ -401,7 +401,7 @@ static struct sock *inet_lhash2_lookup(struct net *net,
return result; return result;
} }
struct sock *inet_lookup_run_sk_lookup(struct net *net, struct sock *inet_lookup_run_sk_lookup(const struct net *net,
int protocol, int protocol,
struct sk_buff *skb, int doff, struct sk_buff *skb, int doff,
__be32 saddr, __be16 sport, __be32 saddr, __be16 sport,
@ -423,7 +423,7 @@ struct sock *inet_lookup_run_sk_lookup(struct net *net,
return sk; return sk;
} }
struct sock *__inet_lookup_listener(struct net *net, struct sock *__inet_lookup_listener(const struct net *net,
struct inet_hashinfo *hashinfo, struct inet_hashinfo *hashinfo,
struct sk_buff *skb, int doff, struct sk_buff *skb, int doff,
const __be32 saddr, __be16 sport, const __be32 saddr, __be16 sport,
@ -488,7 +488,7 @@ void sock_edemux(struct sk_buff *skb)
} }
EXPORT_SYMBOL(sock_edemux); EXPORT_SYMBOL(sock_edemux);
struct sock *__inet_lookup_established(struct net *net, struct sock *__inet_lookup_established(const struct net *net,
struct inet_hashinfo *hashinfo, struct inet_hashinfo *hashinfo,
const __be32 saddr, const __be16 sport, const __be32 saddr, const __be16 sport,
const __be32 daddr, const u16 hnum, const __be32 daddr, const u16 hnum,