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path: root/drivers/net/sfc/tx.c
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Diffstat (limited to 'drivers/net/sfc/tx.c')
-rw-r--r--drivers/net/sfc/tx.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index da3e9ff339f5..d6681edb7014 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -162,6 +162,14 @@ static int efx_enqueue_skb(struct efx_tx_queue *tx_queue,
/* Get size of the initial fragment */
len = skb_headlen(skb);
+ /* Pad if necessary */
+ if (EFX_WORKAROUND_15592(efx) && skb->len <= 32) {
+ EFX_BUG_ON_PARANOID(skb->data_len);
+ len = 32 + 1;
+ if (skb_pad(skb, len - skb->len))
+ return NETDEV_TX_OK;
+ }
+
fill_level = tx_queue->insert_count - tx_queue->old_read_count;
q_space = efx->type->txd_ring_mask - 1 - fill_level;
@@ -376,6 +384,9 @@ int efx_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev)
struct efx_nic *efx = netdev_priv(net_dev);
struct efx_tx_queue *tx_queue;
+ if (unlikely(efx->port_inhibited))
+ return NETDEV_TX_BUSY;
+
if (likely(skb->ip_summed == CHECKSUM_PARTIAL))
tx_queue = &efx->tx_queue[EFX_TX_QUEUE_OFFLOAD_CSUM];
else
@@ -397,7 +408,7 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index)
* separates the update of read_count from the test of
* stopped. */
smp_mb();
- if (unlikely(tx_queue->stopped)) {
+ if (unlikely(tx_queue->stopped) && likely(efx->port_enabled)) {
fill_level = tx_queue->insert_count - tx_queue->read_count;
if (fill_level < EFX_NETDEV_TX_THRESHOLD(tx_queue)) {
EFX_BUG_ON_PARANOID(!efx_dev_registered(efx));