diff options
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index d1580823c286..26e222f81433 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -848,6 +848,16 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, unsigned int eth_hdr_len; struct iphdr *ip; + /* Lancer ASIC has 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 such packets to a 36-byte length. + */ + if (unlikely(lancer_chip(adapter) && skb->len <= 32)) { + if (skb_padto(skb, 36)) + goto tx_drop; + skb->len = 36; + } + /* For padded packets, BE HW modifies tot_len field in IP header * incorrecly when VLAN tag is inserted by HW. */ |