diff options
Diffstat (limited to 'net/sched/act_csum.c')
-rw-r--r-- | net/sched/act_csum.c | 34 |
1 files changed, 13 insertions, 21 deletions
diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c index 3a4c0caa1f7..2210187c45c 100644 --- a/net/sched/act_csum.c +++ b/net/sched/act_csum.c @@ -37,15 +37,7 @@ #include <net/tc_act/tc_csum.h> #define CSUM_TAB_MASK 15 -static struct tcf_common *tcf_csum_ht[CSUM_TAB_MASK + 1]; -static u32 csum_idx_gen; -static DEFINE_RWLOCK(csum_lock); - -static struct tcf_hashinfo csum_hash_info = { - .htab = tcf_csum_ht, - .hmask = CSUM_TAB_MASK, - .lock = &csum_lock, -}; +static struct tcf_hashinfo csum_hash_info; static const struct nla_policy csum_policy[TCA_CSUM_MAX + 1] = { [TCA_CSUM_PARMS] = { .len = sizeof(struct tc_csum), }, @@ -71,29 +63,28 @@ static int tcf_csum_init(struct net *n, struct nlattr *nla, struct nlattr *est, return -EINVAL; parm = nla_data(tb[TCA_CSUM_PARMS]); - pc = tcf_hash_check(parm->index, a, bind, &csum_hash_info); + pc = tcf_hash_check(parm->index, a, bind); if (!pc) { - pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind, - &csum_idx_gen, &csum_hash_info); + pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind); if (IS_ERR(pc)) return PTR_ERR(pc); - p = to_tcf_csum(pc); ret = ACT_P_CREATED; } else { - p = to_tcf_csum(pc); - if (!ovr) { - tcf_hash_release(pc, bind, &csum_hash_info); + if (bind)/* dont override defaults */ + return 0; + tcf_hash_release(pc, bind, a->ops->hinfo); + if (!ovr) return -EEXIST; - } } + p = to_tcf_csum(pc); spin_lock_bh(&p->tcf_lock); p->tcf_action = parm->action; p->update_flags = parm->update_flags; spin_unlock_bh(&p->tcf_lock); if (ret == ACT_P_CREATED) - tcf_hash_insert(pc, &csum_hash_info); + tcf_hash_insert(pc, a->ops->hinfo); return ret; } @@ -580,14 +571,11 @@ static struct tc_action_ops act_csum_ops = { .kind = "csum", .hinfo = &csum_hash_info, .type = TCA_ACT_CSUM, - .capab = TCA_CAP_NONE, .owner = THIS_MODULE, .act = tcf_csum, .dump = tcf_csum_dump, .cleanup = tcf_csum_cleanup, - .lookup = tcf_hash_search, .init = tcf_csum_init, - .walk = tcf_generic_walker }; MODULE_DESCRIPTION("Checksum updating actions"); @@ -595,6 +583,10 @@ MODULE_LICENSE("GPL"); static int __init csum_init_module(void) { + int err = tcf_hashinfo_init(&csum_hash_info, CSUM_TAB_MASK); + if (err) + return err; + return tcf_register_action(&act_csum_ops); } |