diff options
| author | Paul Blakey <paulb@mellanox.com> | 2020-03-27 12:12:29 +0300 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2020-03-27 18:42:20 +0100 |
| commit | 422c032afcf57d5e8109a54912e22ffc53d99068 (patch) | |
| tree | bd4d2a07642a24d79e512e6226467c765aca79a7 /net/netfilter/nf_flow_table_offload.c | |
| parent | 0a6a9515fe390976cd762c52d8d4f446d7a14285 (diff) | |
netfilter: flowtable: Use rw sem as flow block lock
Currently flow offload threads are synchronized by the flow block mutex.
Use rw lock instead to increase flow insertion (read) concurrency.
Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nf_flow_table_offload.c')
| -rw-r--r-- | net/netfilter/nf_flow_table_offload.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c index 0c6437fab4fe..b96db831b4ca 100644 --- a/net/netfilter/nf_flow_table_offload.c +++ b/net/netfilter/nf_flow_table_offload.c @@ -691,7 +691,7 @@ static int nf_flow_offload_tuple(struct nf_flowtable *flowtable, if (cmd == FLOW_CLS_REPLACE) cls_flow.rule = flow_rule->rule; - mutex_lock(&flowtable->flow_block_lock); + down_read(&flowtable->flow_block_lock); list_for_each_entry(block_cb, block_cb_list, list) { err = block_cb->cb(TC_SETUP_CLSFLOWER, &cls_flow, block_cb->cb_priv); @@ -700,7 +700,7 @@ static int nf_flow_offload_tuple(struct nf_flowtable *flowtable, i++; } - mutex_unlock(&flowtable->flow_block_lock); + up_read(&flowtable->flow_block_lock); if (cmd == FLOW_CLS_STATS) memcpy(stats, &cls_flow.stats, sizeof(*stats)); |