diff options
Diffstat (limited to 'net/openvswitch/flow_table.c')
-rw-r--r-- | net/openvswitch/flow_table.c | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c index e2235849a57e..441f68cf8a13 100644 --- a/net/openvswitch/flow_table.c +++ b/net/openvswitch/flow_table.c @@ -111,12 +111,16 @@ static void flow_free(struct sw_flow *flow) if (ovs_identifier_is_key(&flow->id)) kfree(flow->id.unmasked_key); if (flow->sf_acts) - ovs_nla_free_flow_actions((struct sw_flow_actions __force *)flow->sf_acts); + ovs_nla_free_flow_actions((struct sw_flow_actions __force *) + flow->sf_acts); /* We open code this to make sure cpu 0 is always considered */ - for (cpu = 0; cpu < nr_cpu_ids; cpu = cpumask_next(cpu, &flow->cpu_used_mask)) + for (cpu = 0; cpu < nr_cpu_ids; + cpu = cpumask_next(cpu, &flow->cpu_used_mask)) { if (flow->stats[cpu]) kmem_cache_free(flow_stats_cache, (struct sw_flow_stats __force *)flow->stats[cpu]); + } + kmem_cache_free(flow_cache, flow); } @@ -192,7 +196,7 @@ static void tbl_mask_array_reset_counters(struct mask_array *ma) * zero based counter we store the value at reset, and subtract it * later when processing. */ - for (i = 0; i < ma->max; i++) { + for (i = 0; i < ma->max; i++) { ma->masks_usage_zero_cntr[i] = 0; for_each_possible_cpu(cpu) { @@ -273,7 +277,7 @@ static int tbl_mask_array_add_mask(struct flow_table *tbl, if (ma_count >= ma->max) { err = tbl_mask_array_realloc(tbl, ma->max + - MASK_ARRAY_SIZE_MIN); + MASK_ARRAY_SIZE_MIN); if (err) return err; @@ -288,7 +292,7 @@ static int tbl_mask_array_add_mask(struct flow_table *tbl, BUG_ON(ovsl_dereference(ma->masks[ma_count])); rcu_assign_pointer(ma->masks[ma_count], new); - WRITE_ONCE(ma->count, ma_count +1); + WRITE_ONCE(ma->count, ma_count + 1); return 0; } @@ -309,10 +313,10 @@ static void tbl_mask_array_del_mask(struct flow_table *tbl, return; found: - WRITE_ONCE(ma->count, ma_count -1); + WRITE_ONCE(ma->count, ma_count - 1); - rcu_assign_pointer(ma->masks[i], ma->masks[ma_count -1]); - RCU_INIT_POINTER(ma->masks[ma_count -1], NULL); + rcu_assign_pointer(ma->masks[i], ma->masks[ma_count - 1]); + RCU_INIT_POINTER(ma->masks[ma_count - 1], NULL); kfree_rcu(mask, rcu); @@ -448,16 +452,17 @@ free_mask_cache: static void flow_tbl_destroy_rcu_cb(struct rcu_head *rcu) { - struct table_instance *ti = container_of(rcu, struct table_instance, rcu); + struct table_instance *ti; + ti = container_of(rcu, struct table_instance, rcu); __table_instance_destroy(ti); } static void table_instance_flow_free(struct flow_table *table, - struct table_instance *ti, - struct table_instance *ufid_ti, - struct sw_flow *flow, - bool count) + struct table_instance *ti, + struct table_instance *ufid_ti, + struct sw_flow *flow, + bool count) { hlist_del_rcu(&flow->flow_table.node[ti->node_ver]); if (count) @@ -484,9 +489,9 @@ void table_instance_flow_flush(struct flow_table *table, return; for (i = 0; i < ti->n_buckets; i++) { - struct sw_flow *flow; struct hlist_head *head = &ti->buckets[i]; struct hlist_node *n; + struct sw_flow *flow; hlist_for_each_entry_safe(flow, n, head, flow_table.node[ti->node_ver]) { @@ -661,7 +666,7 @@ static int flow_key_start(const struct sw_flow_key *key) return 0; else return rounddown(offsetof(struct sw_flow_key, phy), - sizeof(long)); + sizeof(long)); } static bool cmp_key(const struct sw_flow_key *key1, @@ -673,7 +678,7 @@ static bool cmp_key(const struct sw_flow_key *key1, long diffs = 0; int i; - for (i = key_start; i < key_end; i += sizeof(long)) + for (i = key_start; i < key_end; i += sizeof(long)) diffs |= *cp1++ ^ *cp2++; return diffs == 0; @@ -713,7 +718,7 @@ static struct sw_flow *masked_flow_lookup(struct table_instance *ti, (*n_mask_hit)++; hlist_for_each_entry_rcu(flow, head, flow_table.node[ti->node_ver], - lockdep_ovsl_is_held()) { + lockdep_ovsl_is_held()) { if (flow->mask == mask && flow->flow_table.hash == hash && flow_cmp_masked_key(flow, &masked_key, &mask->range)) return flow; @@ -897,7 +902,8 @@ static bool ovs_flow_cmp_ufid(const struct sw_flow *flow, return !memcmp(flow->id.ufid, sfid->ufid, sfid->ufid_len); } -bool ovs_flow_cmp(const struct sw_flow *flow, const struct sw_flow_match *match) +bool ovs_flow_cmp(const struct sw_flow *flow, + const struct sw_flow_match *match) { if (ovs_identifier_is_ufid(&flow->id)) return flow_cmp_masked_key(flow, match->key, &match->range); @@ -916,7 +922,7 @@ struct sw_flow *ovs_flow_tbl_lookup_ufid(struct flow_table *tbl, hash = ufid_hash(ufid); head = find_bucket(ti, hash); hlist_for_each_entry_rcu(flow, head, ufid_table.node[ti->node_ver], - lockdep_ovsl_is_held()) { + lockdep_ovsl_is_held()) { if (flow->ufid_table.hash == hash && ovs_flow_cmp_ufid(flow, ufid)) return flow; @@ -1107,7 +1113,7 @@ void ovs_flow_masks_rebalance(struct flow_table *table) if (!masks_and_count) return; - for (i = 0; i < ma->max; i++) { + for (i = 0; i < ma->max; i++) { struct sw_flow_mask *mask; unsigned int start; int cpu; |