diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/broadcom/tg3.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 4b3243b..0da93db 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -5928,6 +5928,9 @@ next_pkt_nopost: /* Refill RX ring(s). */ if (!tg3_flag(tp, ENABLE_RSS)) { + /* Sync BD data before updating mailbox */ + wmb(); + if (work_mask & RXD_OPAQUE_RING_STD) { tpr->rx_std_prod_idx = std_prod_idx & tp->rx_std_ring_mask; @@ -6970,6 +6973,9 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) skb_tx_timestamp(skb); netdev_sent_queue(tp->dev, skb->len); + /* Sync BD data before updating mailbox */ + wmb(); + /* Packets are ready, update Tx producer idx local and on card. */ tw32_tx_mbox(tnapi->prodmbox, entry); @@ -11763,6 +11769,9 @@ static int tg3_run_loopback(struct tg3 *tp, u32 pktsz, bool tso_loopback) tnapi->tx_prod++; + /* Sync BD data before updating mailbox */ + wmb(); + tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod); tr32_mailbox(tnapi->prodmbox); |