diff options
| -rw-r--r-- | include/net/netns/xfrm.h | 2 | ||||
| -rw-r--r-- | net/xfrm/xfrm_state.c | 35 |
2 files changed, 19 insertions, 18 deletions
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h index 492b471d2a7f..bd688021395a 100644 --- a/include/net/netns/xfrm.h +++ b/include/net/netns/xfrm.h @@ -2,6 +2,7 @@ #define __NETNS_XFRM_H #include <linux/list.h> +#include <linux/workqueue.h> struct netns_xfrm { struct list_head state_all; @@ -18,6 +19,7 @@ struct netns_xfrm { struct hlist_head *state_byspi; unsigned int state_hmask; unsigned int state_num; + struct work_struct state_hash_work; }; #endif diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 7ecf6eeff84a..1b2a72c8429c 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -109,16 +109,16 @@ static void xfrm_hash_transfer(struct hlist_head *list, } } -static unsigned long xfrm_hash_new_size(void) +static unsigned long xfrm_hash_new_size(unsigned int state_hmask) { - return ((init_net.xfrm.state_hmask + 1) << 1) * - sizeof(struct hlist_head); + return ((state_hmask + 1) << 1) * sizeof(struct hlist_head); } static DEFINE_MUTEX(hash_resize_mutex); -static void xfrm_hash_resize(struct work_struct *__unused) +static void xfrm_hash_resize(struct work_struct *work) { + struct net *net = container_of(work, struct net, xfrm.state_hash_work); struct hlist_head *ndst, *nsrc, *nspi, *odst, *osrc, *ospi; unsigned long nsize, osize; unsigned int nhashmask, ohashmask; @@ -126,7 +126,7 @@ static void xfrm_hash_resize(struct work_struct *__unused) mutex_lock(&hash_resize_mutex); - nsize = xfrm_hash_new_size(); + nsize = xfrm_hash_new_size(net->xfrm.state_hmask); ndst = xfrm_hash_alloc(nsize); if (!ndst) goto out_unlock; @@ -145,19 +145,19 @@ static void xfrm_hash_resize(struct work_struct *__unused) spin_lock_bh(&xfrm_state_lock); nhashmask = (nsize / sizeof(struct hlist_head)) - 1U; - for (i = init_net.xfrm.state_hmask; i >= 0; i--) - xfrm_hash_transfer(init_net.xfrm.state_bydst+i, ndst, nsrc, nspi, + for (i = net->xfrm.state_hmask; i >= 0; i--) + xfrm_hash_transfer(net->xfrm.state_bydst+i, ndst, nsrc, nspi, nhashmask); - odst = init_net.xfrm.state_bydst; - osrc = init_net.xfrm.state_bysrc; - ospi = init_net.xfrm.state_byspi; - ohashmask = init_net.xfrm.state_hmask; + odst = net->xfrm.state_bydst; + osrc = net->xfrm.state_bysrc; + ospi = net->xfrm.state_byspi; + ohashmask = net->xfrm.state_hmask; - init_net.xfrm.state_bydst = ndst; - init_net.xfrm.state_bysrc = nsrc; - init_net.xfrm.state_byspi = nspi; - init_net.xfrm.state_hmask = nhashmask; + net->xfrm.state_bydst = ndst; + net->xfrm.state_bysrc = nsrc; + net->xfrm.state_byspi = nspi; + net->xfrm.state_hmask = nhashmask; spin_unlock_bh(&xfrm_state_lock); @@ -170,8 +170,6 @@ out_unlock: mutex_unlock(&hash_resize_mutex); } -static DECLARE_WORK(xfrm_hash_work, xfrm_hash_resize); - DECLARE_WAIT_QUEUE_HEAD(km_waitq); EXPORT_SYMBOL(km_waitq); @@ -754,7 +752,7 @@ static void xfrm_hash_grow_check(int have_hash_collision) if (have_hash_collision && (init_net.xfrm.state_hmask + 1) < xfrm_state_hashmax && init_net.xfrm.state_num > init_net.xfrm.state_hmask) - schedule_work(&xfrm_hash_work); + schedule_work(&init_net.xfrm.state_hash_work); } struct xfrm_state * @@ -2089,6 +2087,7 @@ int __net_init xfrm_state_init(struct net *net) net->xfrm.state_hmask = ((sz / sizeof(struct hlist_head)) - 1); net->xfrm.state_num = 0; + INIT_WORK(&net->xfrm.state_hash_work, xfrm_hash_resize); INIT_WORK(&xfrm_state_gc_work, xfrm_state_gc_task); return 0; |