diff options
| author | Paul Blakey <paulb@mellanox.com> | 2020-03-12 12:23:05 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-12 15:00:38 -0700 |
| commit | 978703f42549ac7d1a354bafbfc346a3ccf15f0d (patch) | |
| tree | 11d2025ac32d02649bb7dbe037c6779d5c42e3f0 /net/netfilter/nf_flow_table_offload.c | |
| parent | c6fe5729dcff469be1ee3c516f9d9d2c3f1598c2 (diff) | |
| download | linux-978703f42549ac7d1a354bafbfc346a3ccf15f0d.tar.gz | |
netfilter: flowtable: Add API for registering to flow table events
Let drivers to add their cb allowing them to receive flow offload events
of type TC_SETUP_CLSFLOWER (REPLACE/DEL/STATS) for flows managed by the
flow table.
Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netfilter/nf_flow_table_offload.c')
| -rw-r--r-- | net/netfilter/nf_flow_table_offload.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c index 06f00cdc389100..f5afdf023bb9d2 100644 --- a/net/netfilter/nf_flow_table_offload.c +++ b/net/netfilter/nf_flow_table_offload.c @@ -610,6 +610,7 @@ 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); list_for_each_entry(block_cb, block_cb_list, list) { err = block_cb->cb(TC_SETUP_CLSFLOWER, &cls_flow, block_cb->cb_priv); @@ -618,6 +619,7 @@ static int nf_flow_offload_tuple(struct nf_flowtable *flowtable, i++; } + mutex_unlock(&flowtable->flow_block_lock); return i; } @@ -692,8 +694,10 @@ static void flow_offload_tuple_stats(struct flow_offload_work *offload, FLOW_CLS_STATS, &offload->flow->tuplehash[dir].tuple, &extack); + mutex_lock(&flowtable->flow_block_lock); list_for_each_entry(block_cb, &flowtable->flow_block.cb_list, list) block_cb->cb(TC_SETUP_CLSFLOWER, &cls_flow, block_cb->cb_priv); + mutex_unlock(&flowtable->flow_block_lock); memcpy(stats, &cls_flow.stats, sizeof(*stats)); } |