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    Subject[PATCH AUTOSEL for 3.18 03/59] net: bcmgenet: correct MIB access of UniMAC RUNT counters
    Date
    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>
    ---
    drivers/net/ethernet/broadcom/genet/bcmgenet.c | 11 +++++++----
    1 file changed, 7 insertions(+), 4 deletions(-)

    diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
    index ecce5d16f6e7..9b49d6ebf58e 100644
    --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
    +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
    @@ -705,13 +705,16 @@ static void bcmgenet_update_mib_counters(struct bcmgenet_priv *priv)
    switch (s->type) {
    case BCMGENET_STAT_NETDEV:
    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)) {
    --
    2.11.0
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