net: bcmgenet: correct MIB access of UniMAC RUNT counters

The gap between the Tx status counters and the Rx RUNT counters is now
being added to allow correct reporting of the registers.

Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index f0fb7eca8eb472212bdf55328e1ec628ec04c817..01a172d95328d9374aa40202c2b360959f2bc9bc 100644 (file)
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -876,13 +876,16 @@ static void bcmgenet_update_mib_counters(struct bcmgenet_priv *priv)
                case BCMGENET_STAT_NETDEV:
                case BCMGENET_STAT_SOFT:
                        continue;
-               case BCMGENET_STAT_MIB_RX:
-               case BCMGENET_STAT_MIB_TX:
                case BCMGENET_STAT_RUNT:
-                       if (s->type != BCMGENET_STAT_MIB_RX)
-                               offset = BCMGENET_STAT_OFFSET;
+                       offset += BCMGENET_STAT_OFFSET;
+                       /* fall through */
+               case BCMGENET_STAT_MIB_TX:
+                       offset += BCMGENET_STAT_OFFSET;
+                       /* fall through */
+               case BCMGENET_STAT_MIB_RX:
                        val = bcmgenet_umac_readl(priv,
                                                  UMAC_MIB_START + j + offset);
+                       offset = 0;     /* Reset Offset */
                        break;
                case BCMGENET_STAT_MISC:
                        if (GENET_IS_V1(priv)) {