| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 023/115] net: bcmgenet: correct MIB access of UniMAC RUNT counters | Date | Mon, 18 Dec 2017 16:48:12 +0100 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Doug Berger <opendmb@gmail.com>
[ Upstream commit 1ad3d225e5a40ca6c586989b4baaca710544c15a ]
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> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)
--- 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 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)) {
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