diff options
Diffstat (limited to 'drivers/net/sfc')
| -rw-r--r-- | drivers/net/sfc/tx.c | 8 | ||||
| -rw-r--r-- | drivers/net/sfc/workarounds.h | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c index b1e19077907..d6681edb701 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; diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h index 78de68f4a95..c821c15445a 100644 --- a/drivers/net/sfc/workarounds.h +++ b/drivers/net/sfc/workarounds.h @@ -36,6 +36,8 @@ #define EFX_WORKAROUND_11482 EFX_WORKAROUND_ALWAYS /* Flush events can take a very long time to appear */ #define EFX_WORKAROUND_11557 EFX_WORKAROUND_ALWAYS +/* Truncated IPv4 packets can confuse the TX packet parser */ +#define EFX_WORKAROUND_15592 EFX_WORKAROUND_ALWAYS /* Spurious parity errors in TSORT buffers */ #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A |