be2net: pad skb to meet minimum TX pkt size in BE3

On BE3 chips in SRIOV configs, the TX path stalls when a packet less
than 32B is received from the host. A workaround to pad such packets
already exists for the Skyhawk and Lancer chips. Use the same workaround
for BE3 chips too.

Signed-off-by: Suresh Reddy <suresh.reddy@avagotech.com>
Signed-off-by: Sathya Perla <sathya.perla@avagotech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 86eed4761806..821e0142fa2c 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -1123,11 +1123,12 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter,
                                            struct sk_buff *skb,
                                            struct be_wrb_params *wrb_params)
 {
-        /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or
-         * less may cause a transmit stall on that port. So the work-around is
-         * to pad short packets (<= 32 bytes) to a 36-byte length.
+        /* Lancer, SH and BE3 in SRIOV mode have a bug wherein
+         * packets that are 32b or less may cause a transmit stall
+         * on that port. The workaround is to pad such packets
+         * (len <= 32 bytes) to a minimum length of 36b.
          */
-        if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) {
+        if (skb->len <= 32) {
                 if (skb_put_padto(skb, 36))
                         return NULL;
         }