diff mbox

[net-next,1/5] sh_eth: Implement multicast statistic based on the RFS8 status bit

Message ID 1424982810.4444.72.camel@xylophone.i.decadent.org.uk
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Ben Hutchings Feb. 26, 2015, 8:33 p.m. UTC 
At least on the R8A7790, RFS8 reflects the RINT8 (multicast) MAC
status flag.

Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
---
This should probably wait for confirmation that RFS8 consistently
indicates a multicast frame.

Ben.

 drivers/net/ethernet/renesas/sh_eth.c |    2 ++
 1 file changed, 2 insertions(+)
diff mbox

Patch

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 07c537d900da..4169f93b5c3c 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1497,6 +1497,8 @@  static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
 			netif_receive_skb(skb);
 			ndev->stats.rx_packets++;
 			ndev->stats.rx_bytes += pkt_len;
+			if (desc_status & RD_RFS8)
+				ndev->stats.multicast++;
 		}
 		entry = (++mdp->cur_rx) % mdp->num_rx_ring;
 		rxdesc = &mdp->rx_ring[entry];