diff options
Diffstat (limited to 'drivers/net/mlx4')
-rw-r--r-- | drivers/net/mlx4/en_tx.c | 59 | ||||
-rw-r--r-- | drivers/net/mlx4/mlx4_en.h | 1 |
2 files changed, 34 insertions, 26 deletions
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c index ff4d75205c25..4afd5993e31c 100644 --- a/drivers/net/mlx4/en_tx.c +++ b/drivers/net/mlx4/en_tx.c | |||
@@ -203,19 +203,21 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv, | |||
203 | 203 | ||
204 | /* Optimize the common case when there are no wraparounds */ | 204 | /* Optimize the common case when there are no wraparounds */ |
205 | if (likely((void *) tx_desc + tx_info->nr_txbb * TXBB_SIZE <= end)) { | 205 | if (likely((void *) tx_desc + tx_info->nr_txbb * TXBB_SIZE <= end)) { |
206 | if (tx_info->linear) { | 206 | if (!tx_info->inl) { |
207 | pci_unmap_single(mdev->pdev, | 207 | if (tx_info->linear) { |
208 | (dma_addr_t) be64_to_cpu(data->addr), | 208 | pci_unmap_single(mdev->pdev, |
209 | (dma_addr_t) be64_to_cpu(data->addr), | ||
209 | be32_to_cpu(data->byte_count), | 210 | be32_to_cpu(data->byte_count), |
210 | PCI_DMA_TODEVICE); | 211 | PCI_DMA_TODEVICE); |
211 | ++data; | 212 | ++data; |
212 | } | 213 | } |
213 | 214 | ||
214 | for (i = 0; i < frags; i++) { | 215 | for (i = 0; i < frags; i++) { |
215 | frag = &skb_shinfo(skb)->frags[i]; | 216 | frag = &skb_shinfo(skb)->frags[i]; |
216 | pci_unmap_page(mdev->pdev, | 217 | pci_unmap_page(mdev->pdev, |
217 | (dma_addr_t) be64_to_cpu(data[i].addr), | 218 | (dma_addr_t) be64_to_cpu(data[i].addr), |
218 | frag->size, PCI_DMA_TODEVICE); | 219 | frag->size, PCI_DMA_TODEVICE); |
220 | } | ||
219 | } | 221 | } |
220 | /* Stamp the freed descriptor */ | 222 | /* Stamp the freed descriptor */ |
221 | for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE; i += STAMP_STRIDE) { | 223 | for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE; i += STAMP_STRIDE) { |
@@ -224,27 +226,29 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv, | |||
224 | } | 226 | } |
225 | 227 | ||
226 | } else { | 228 | } else { |
227 | if ((void *) data >= end) { | 229 | if (!tx_info->inl) { |
228 | data = (struct mlx4_wqe_data_seg *) | 230 | if ((void *) data >= end) { |
229 | (ring->buf + ((void *) data - end)); | 231 | data = (struct mlx4_wqe_data_seg *) |
230 | } | 232 | (ring->buf + ((void *) data - end)); |
233 | } | ||
231 | 234 | ||
232 | if (tx_info->linear) { | 235 | if (tx_info->linear) { |
233 | pci_unmap_single(mdev->pdev, | 236 | pci_unmap_single(mdev->pdev, |
234 | (dma_addr_t) be64_to_cpu(data->addr), | 237 | (dma_addr_t) be64_to_cpu(data->addr), |
235 | be32_to_cpu(data->byte_count), | 238 | be32_to_cpu(data->byte_count), |
236 | PCI_DMA_TODEVICE); | 239 | PCI_DMA_TODEVICE); |
237 | ++data; | 240 | ++data; |
238 | } | 241 | } |
239 | 242 | ||
240 | for (i = 0; i < frags; i++) { | 243 | for (i = 0; i < frags; i++) { |
241 | /* Check for wraparound before unmapping */ | 244 | /* Check for wraparound before unmapping */ |
242 | if ((void *) data >= end) | 245 | if ((void *) data >= end) |
243 | data = (struct mlx4_wqe_data_seg *) ring->buf; | 246 | data = (struct mlx4_wqe_data_seg *) ring->buf; |
244 | frag = &skb_shinfo(skb)->frags[i]; | 247 | frag = &skb_shinfo(skb)->frags[i]; |
245 | pci_unmap_page(mdev->pdev, | 248 | pci_unmap_page(mdev->pdev, |
246 | (dma_addr_t) be64_to_cpu(data->addr), | 249 | (dma_addr_t) be64_to_cpu(data->addr), |
247 | frag->size, PCI_DMA_TODEVICE); | 250 | frag->size, PCI_DMA_TODEVICE); |
251 | } | ||
248 | } | 252 | } |
249 | /* Stamp the freed descriptor */ | 253 | /* Stamp the freed descriptor */ |
250 | for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE; i += STAMP_STRIDE) { | 254 | for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE; i += STAMP_STRIDE) { |
@@ -790,8 +794,11 @@ int mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) | |||
790 | wmb(); | 794 | wmb(); |
791 | data->byte_count = cpu_to_be32(skb_headlen(skb) - lso_header_size); | 795 | data->byte_count = cpu_to_be32(skb_headlen(skb) - lso_header_size); |
792 | } | 796 | } |
793 | } else | 797 | tx_info->inl = 0; |
798 | } else { | ||
794 | build_inline_wqe(tx_desc, skb, real_size, &vlan_tag, tx_ind, fragptr); | 799 | build_inline_wqe(tx_desc, skb, real_size, &vlan_tag, tx_ind, fragptr); |
800 | tx_info->inl = 1; | ||
801 | } | ||
795 | 802 | ||
796 | ring->prod += nr_txbb; | 803 | ring->prod += nr_txbb; |
797 | 804 | ||
diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h index 2e96c7b2180a..08bf321a9e62 100644 --- a/drivers/net/mlx4/mlx4_en.h +++ b/drivers/net/mlx4/mlx4_en.h | |||
@@ -202,6 +202,7 @@ struct mlx4_en_tx_info { | |||
202 | u32 nr_txbb; | 202 | u32 nr_txbb; |
203 | u8 linear; | 203 | u8 linear; |
204 | u8 data_offset; | 204 | u8 data_offset; |
205 | u8 inl; | ||
205 | }; | 206 | }; |
206 | 207 | ||
207 | 208 | ||