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Commit 6eada011 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

netns: constify net_hash_mix() and various callers 



const qualifiers ease code review by making clear
which objects are not written in a function.

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8f6320de

include/linux/udp.h

+1 −1
Original line number Diff line number Diff line
@@ -34,7 +34,7 @@ static inline struct udphdr *inner_udp_hdr(const struct sk_buff *skb) 


#define UDP_HTABLE_SIZE_MIN		(CONFIG_BASE_SMALL ? 128 : 256)



static inline int udp_hashfn(struct net *net, unsigned num, unsigned mask)

static inline u32 udp_hashfn(const struct net *net, u32 num, u32 mask)

{

	return (num + net_hash_mix(net)) & mask;

}

include/net/inet_hashtables.h

+3 −3
Original line number Diff line number Diff line
@@ -221,8 +221,8 @@ inet_bind_bucket_create(struct kmem_cache *cachep, struct net *net, 
void inet_bind_bucket_destroy(struct kmem_cache *cachep,

			      struct inet_bind_bucket *tb);



static inline int inet_bhashfn(struct net *net, const __u16 lport,

			       const int bhash_size)

static inline u32 inet_bhashfn(const struct net *net, const __u16 lport,

			       const u32 bhash_size)

{

	return (lport + net_hash_mix(net)) & (bhash_size - 1);

}
@@ -231,7 +231,7 @@ void inet_bind_hash(struct sock *sk, struct inet_bind_bucket *tb, 
		    const unsigned short snum);



/* These can have wildcards, don't try too hard. */

static inline int inet_lhashfn(struct net *net, const unsigned short num)

static inline u32 inet_lhashfn(const struct net *net, const unsigned short num)

{

	return (num + net_hash_mix(net)) & (INET_LHTABLE_SIZE - 1);

}

include/net/netns/hash.h

+2 −2
Original line number Diff line number Diff line
@@ -5,7 +5,7 @@ 


struct net;



static inline unsigned int net_hash_mix(struct net *net)

static inline u32 net_hash_mix(const struct net *net)

{

#ifdef CONFIG_NET_NS

	/*
@@ -13,7 +13,7 @@ static inline unsigned int net_hash_mix(struct net *net) 
	 * always zeroed

	 */



	return (unsigned)(((unsigned long)net) >> L1_CACHE_SHIFT);

	return (u32)(((unsigned long)net) >> L1_CACHE_SHIFT);

#else

	return 0;

#endif

net/ipv4/devinet.c

+1 −1
Original line number Diff line number Diff line
@@ -107,7 +107,7 @@ static const struct nla_policy ifa_ipv4_policy[IFA_MAX+1] = { 


static struct hlist_head inet_addr_lst[IN4_ADDR_HSIZE];



static u32 inet_addr_hash(struct net *net, __be32 addr)

static u32 inet_addr_hash(const struct net *net, __be32 addr)

{

	u32 val = (__force u32) addr ^ net_hash_mix(net);

net/ipv4/inet_hashtables.c

+3 −3
Original line number Diff line number Diff line
@@ -24,7 +24,7 @@ 
#include <net/secure_seq.h>

#include <net/ip.h>



static unsigned int inet_ehashfn(struct net *net, const __be32 laddr,

static u32 inet_ehashfn(const struct net *net, const __be32 laddr,

			const __u16 lport, const __be32 faddr,

			const __be16 fport)

{