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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-02 18:55:08 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-02 18:55:08 +0300 |
commit | 6d6b89bd2e316b78d668f761d380837b81fa71ef (patch) | |
tree | 7e63c58611fc6181153526abbdafdd846ed1a19d /include/net/llc.h | |
parent | 13dda80e48439b446d0bc9bab34b91484bc8f533 (diff) | |
parent | 2507c05ff55fbf38326b08ed27eaed233bc75042 (diff) | |
download | linux-6d6b89bd2e316b78d668f761d380837b81fa71ef.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1341 commits)
virtio_net: remove forgotten assignment
be2net: fix tx completion polling
sis190: fix cable detect via link status poll
net: fix protocol sk_buff field
bridge: Fix build error when IGMP_SNOOPING is not enabled
bnx2x: Tx barriers and locks
scm: Only support SCM_RIGHTS on unix domain sockets.
vhost-net: restart tx poll on sk_sndbuf full
vhost: fix get_user_pages_fast error handling
vhost: initialize log eventfd context pointer
vhost: logging thinko fix
wireless: convert to use netdev_for_each_mc_addr
ethtool: do not set some flags, if others failed
ipoib: returned back addrlen check for mc addresses
netlink: Adding inode field to /proc/net/netlink
axnet_cs: add new id
bridge: Make IGMP snooping depend upon BRIDGE.
bridge: Add multicast count/interval sysfs entries
bridge: Add hash elasticity/max sysfs entries
bridge: Add multicast_snooping sysfs toggle
...
Trivial conflicts in Documentation/feature-removal-schedule.txt
Diffstat (limited to 'include/net/llc.h')
-rw-r--r-- | include/net/llc.h | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/include/net/llc.h b/include/net/llc.h index 7940da1606e7..5503b74ab170 100644 --- a/include/net/llc.h +++ b/include/net/llc.h @@ -16,6 +16,9 @@ #include <linux/if_ether.h> #include <linux/list.h> #include <linux/spinlock.h> +#include <linux/rculist_nulls.h> +#include <linux/hash.h> +#include <linux/jhash.h> #include <asm/atomic.h> @@ -31,6 +34,12 @@ struct llc_addr { #define LLC_SAP_STATE_INACTIVE 1 #define LLC_SAP_STATE_ACTIVE 2 +#define LLC_SK_DEV_HASH_BITS 6 +#define LLC_SK_DEV_HASH_ENTRIES (1<<LLC_SK_DEV_HASH_BITS) + +#define LLC_SK_LADDR_HASH_BITS 6 +#define LLC_SK_LADDR_HASH_ENTRIES (1<<LLC_SK_LADDR_HASH_BITS) + /** * struct llc_sap - Defines the SAP component * @@ -53,18 +62,38 @@ struct llc_sap { struct net_device *orig_dev); struct llc_addr laddr; struct list_head node; - struct { - rwlock_t lock; - struct hlist_head list; - } sk_list; + spinlock_t sk_lock; + int sk_count; + struct hlist_nulls_head sk_laddr_hash[LLC_SK_LADDR_HASH_ENTRIES]; + struct hlist_head sk_dev_hash[LLC_SK_DEV_HASH_ENTRIES]; }; +static inline +struct hlist_head *llc_sk_dev_hash(struct llc_sap *sap, int ifindex) +{ + return &sap->sk_dev_hash[ifindex % LLC_SK_DEV_HASH_ENTRIES]; +} + +static inline +u32 llc_sk_laddr_hashfn(struct llc_sap *sap, const struct llc_addr *laddr) +{ + return hash_32(jhash(laddr->mac, sizeof(laddr->mac), 0), + LLC_SK_LADDR_HASH_BITS); +} + +static inline +struct hlist_nulls_head *llc_sk_laddr_hash(struct llc_sap *sap, + const struct llc_addr *laddr) +{ + return &sap->sk_laddr_hash[llc_sk_laddr_hashfn(sap, laddr)]; +} + #define LLC_DEST_INVALID 0 /* Invalid LLC PDU type */ #define LLC_DEST_SAP 1 /* Type 1 goes here */ #define LLC_DEST_CONN 2 /* Type 2 goes here */ extern struct list_head llc_sap_list; -extern rwlock_t llc_sap_list_lock; +extern spinlock_t llc_sap_list_lock; extern int llc_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev); |