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authorJiri Kosina <jkosina@suse.cz>2016-08-10 11:03:35 +0200
committerDavid S. Miller <davem@davemloft.net>2016-08-10 17:18:52 -0700
commite87a8f24c9151d449ab46d82a504c1ebfea210f2 (patch)
tree970e76e659836e60ba6d1d13f41bc02a05d2e6c8 /net/ipv6/ip6_gre.c
parentb89b815c32f205a772180969da0188665f7da9e8 (diff)
downloadlinux-0-day-e87a8f24c9151d449ab46d82a504c1ebfea210f2.tar.gz
linux-0-day-e87a8f24c9151d449ab46d82a504c1ebfea210f2.tar.xz
net: resolve symbol conflicts with generic hashtable.h
This is a preparatory patch for converting qdisc linked list into a hashtable. As we'll need to include hashtable.h in netdevice.h, we first have to make sure that this will not introduce symbol conflicts for any of the netdevice.h users. Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_gre.c')
-rw-r--r--net/ipv6/ip6_gre.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 776d145113e13..b375b5addb76a 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -61,12 +61,12 @@ static bool log_ecn_error = true;
module_param(log_ecn_error, bool, 0644);
MODULE_PARM_DESC(log_ecn_error, "Log packets received with corrupted ECN");
-#define HASH_SIZE_SHIFT 5
-#define HASH_SIZE (1 << HASH_SIZE_SHIFT)
+#define IP6_GRE_HASH_SIZE_SHIFT 5
+#define IP6_GRE_HASH_SIZE (1 << IP6_GRE_HASH_SIZE_SHIFT)
static int ip6gre_net_id __read_mostly;
struct ip6gre_net {
- struct ip6_tnl __rcu *tunnels[4][HASH_SIZE];
+ struct ip6_tnl __rcu *tunnels[4][IP6_GRE_HASH_SIZE];
struct net_device *fb_tunnel_dev;
};
@@ -96,12 +96,12 @@ static void ip6gre_tnl_link_config(struct ip6_tnl *t, int set_mtu);
will match fallback tunnel.
*/
-#define HASH_KEY(key) (((__force u32)key^((__force u32)key>>4))&(HASH_SIZE - 1))
+#define HASH_KEY(key) (((__force u32)key^((__force u32)key>>4))&(IP6_GRE_HASH_SIZE - 1))
static u32 HASH_ADDR(const struct in6_addr *addr)
{
u32 hash = ipv6_addr_hash(addr);
- return hash_32(hash, HASH_SIZE_SHIFT);
+ return hash_32(hash, IP6_GRE_HASH_SIZE_SHIFT);
}
#define tunnels_r_l tunnels[3]
@@ -1089,7 +1089,7 @@ static void ip6gre_destroy_tunnels(struct net *net, struct list_head *head)
for (prio = 0; prio < 4; prio++) {
int h;
- for (h = 0; h < HASH_SIZE; h++) {
+ for (h = 0; h < IP6_GRE_HASH_SIZE; h++) {
struct ip6_tnl *t;
t = rtnl_dereference(ign->tunnels[prio][h]);