diff options
| author |   Suresh Reddy <Suresh.Reddy@avagotech.com> | 2015-10-12 03:47:19 -0400 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-10-13 04:32:43 -0700 |
| commit | 8227e9901ded28d071f20313238e91e71d6bfdce (patch) | |
| tree | 80f8022a9fc7867b861114c5823710921c67416e /drivers/net/ethernet/emulex/benet/be_main.c | |
| parent | be2net: release mcc-lock in a failure case in be_cmd_notify_wait() (diff) | |
| download | linux-dev-8227e9901ded28d071f20313238e91e71d6bfdce.tar.xz linux-dev-8227e9901ded28d071f20313238e91e71d6bfdce.zip | |
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>
Diffstat (limited to 'drivers/net/ethernet/emulex/benet/be_main.c')
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 9 |
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; } |