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path: root/drivers/net/ethernet/freescale/fec_main.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/fec_main.c')
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c34
1 files changed, 23 insertions, 11 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 1c7a7e43dd9c..58cabee00abf 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1189,12 +1189,13 @@ static void
1189fec_enet_tx_queue(struct net_device *ndev, u16 queue_id) 1189fec_enet_tx_queue(struct net_device *ndev, u16 queue_id)
1190{ 1190{
1191 struct fec_enet_private *fep; 1191 struct fec_enet_private *fep;
1192 struct bufdesc *bdp; 1192 struct bufdesc *bdp, *bdp_t;
1193 unsigned short status; 1193 unsigned short status;
1194 struct sk_buff *skb; 1194 struct sk_buff *skb;
1195 struct fec_enet_priv_tx_q *txq; 1195 struct fec_enet_priv_tx_q *txq;
1196 struct netdev_queue *nq; 1196 struct netdev_queue *nq;
1197 int index = 0; 1197 int index = 0;
1198 int i, bdnum;
1198 int entries_free; 1199 int entries_free;
1199 1200
1200 fep = netdev_priv(ndev); 1201 fep = netdev_priv(ndev);
@@ -1215,18 +1216,29 @@ fec_enet_tx_queue(struct net_device *ndev, u16 queue_id)
1215 if (bdp == txq->cur_tx) 1216 if (bdp == txq->cur_tx)
1216 break; 1217 break;
1217 1218
1218 index = fec_enet_get_bd_index(txq->tx_bd_base, bdp, fep); 1219 bdp_t = bdp;
1219 1220 bdnum = 1;
1221 index = fec_enet_get_bd_index(txq->tx_bd_base, bdp_t, fep);
1220 skb = txq->tx_skbuff[index]; 1222 skb = txq->tx_skbuff[index];
1221 txq->tx_skbuff[index] = NULL; 1223 while (!skb) {
1222 if (!IS_TSO_HEADER(txq, bdp->cbd_bufaddr)) 1224 bdp_t = fec_enet_get_nextdesc(bdp_t, fep, queue_id);
1223 dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, 1225 index = fec_enet_get_bd_index(txq->tx_bd_base, bdp_t, fep);
1224 bdp->cbd_datlen, DMA_TO_DEVICE); 1226 skb = txq->tx_skbuff[index];
1225 bdp->cbd_bufaddr = 0; 1227 bdnum++;
1226 if (!skb) {
1227 bdp = fec_enet_get_nextdesc(bdp, fep, queue_id);
1228 continue;
1229 } 1228 }
1229 if (skb_shinfo(skb)->nr_frags &&
1230 (status = bdp_t->cbd_sc) & BD_ENET_TX_READY)
1231 break;
1232
1233 for (i = 0; i < bdnum; i++) {
1234 if (!IS_TSO_HEADER(txq, bdp->cbd_bufaddr))
1235 dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr,
1236 bdp->cbd_datlen, DMA_TO_DEVICE);
1237 bdp->cbd_bufaddr = 0;
1238 if (i < bdnum - 1)
1239 bdp = fec_enet_get_nextdesc(bdp, fep, queue_id);
1240 }
1241 txq->tx_skbuff[index] = NULL;
1230 1242
1231 /* Check for errors. */ 1243 /* Check for errors. */
1232 if (status & (BD_ENET_TX_HB | BD_ENET_TX_LC | 1244 if (status & (BD_ENET_TX_HB | BD_ENET_TX_LC |