diff options
| author | Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com> | 2017-06-29 22:08:18 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-01 08:51:32 -0700 |
| commit | abfcdc1de9bf38cdde6792a165c75d9037ea35fe (patch) | |
| tree | dc25b91491344a9ece0f7bc4f0334155eb900101 /drivers/net/ethernet/netronome/nfp/flower/offload.c | |
| parent | 43f84b72c50d40c3eb2f59070e40ef51bfd483cc (diff) | |
nfp: add a stats handler for flower offloads
Previously there was no way of updating flow rule stats after they
have been offloaded to hardware. This is solved by keeping track of
stats received from hardware and providing this to the TC handler
on request.
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/offload.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/offload.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c index 04603d832adf..1a2e2b9b75a3 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/offload.c +++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c @@ -170,6 +170,7 @@ nfp_flower_allocate_new(struct nfp_fl_key_ls *key_layer) goto err_free_mask; flow_pay->meta.flags = 0; + spin_lock_init(&flow_pay->lock); return flow_pay; @@ -291,7 +292,21 @@ nfp_flower_del_offload(struct nfp_app *app, struct net_device *netdev, static int nfp_flower_get_stats(struct nfp_app *app, struct tc_cls_flower_offload *flow) { - return -EOPNOTSUPP; + struct nfp_fl_payload *nfp_flow; + + nfp_flow = nfp_flower_search_fl_table(app, flow->cookie); + if (!nfp_flow) + return -EINVAL; + + spin_lock_bh(&nfp_flow->lock); + tcf_exts_stats_update(flow->exts, nfp_flow->stats.bytes, + nfp_flow->stats.pkts, nfp_flow->stats.used); + + nfp_flow->stats.pkts = 0; + nfp_flow->stats.bytes = 0; + spin_unlock_bh(&nfp_flow->lock); + + return 0; } static int |