diff options
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 29321a6167a6..19984be0f70c 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -2932,10 +2932,12 @@ bool __i40e_chk_linearize(struct sk_buff *skb) * @hdr_len: size of the packet header * @td_cmd: the command field in the descriptor * @td_offset: offset for checksum or crc + * + * Returns 0 on success, -1 on failure to DMA **/ -static inline void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb, - struct i40e_tx_buffer *first, u32 tx_flags, - const u8 hdr_len, u32 td_cmd, u32 td_offset) +static inline int i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb, + struct i40e_tx_buffer *first, u32 tx_flags, + const u8 hdr_len, u32 td_cmd, u32 td_offset) { unsigned int data_len = skb->data_len; unsigned int size = skb_headlen(skb); @@ -3093,7 +3095,7 @@ do_rs: mmiowb(); } - return; + return 0; dma_error: dev_info(tx_ring->dev, "TX DMA map failed\n"); @@ -3110,6 +3112,8 @@ dma_error: } tx_ring->next_to_use = i; + + return -1; } /** @@ -3210,8 +3214,9 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb, */ i40e_atr(tx_ring, skb, tx_flags); - i40e_tx_map(tx_ring, skb, first, tx_flags, hdr_len, - td_cmd, td_offset); + if (i40e_tx_map(tx_ring, skb, first, tx_flags, hdr_len, + td_cmd, td_offset)) + goto cleanup_tx_tstamp; return NETDEV_TX_OK; @@ -3219,6 +3224,15 @@ out_drop: i40e_trace(xmit_frame_ring_drop, first->skb, tx_ring); dev_kfree_skb_any(first->skb); first->skb = NULL; +cleanup_tx_tstamp: + if (unlikely(tx_flags & I40E_TX_FLAGS_TSYN)) { + struct i40e_pf *pf = i40e_netdev_to_pf(tx_ring->netdev); + + dev_kfree_skb_any(pf->ptp_tx_skb); + pf->ptp_tx_skb = NULL; + clear_bit_unlock(__I40E_PTP_TX_IN_PROGRESS, pf->state); + } + return NETDEV_TX_OK; } |