diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/ring_mode.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/ring_mode.c | 55 |
1 files changed, 30 insertions, 25 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c index 452f256ff03f..28e4b5d50ce6 100644 --- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c @@ -26,16 +26,17 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) { - struct stmmac_priv *priv = (struct stmmac_priv *)p; - unsigned int entry = priv->cur_tx; - struct dma_desc *desc; + struct stmmac_tx_queue *tx_q = (struct stmmac_tx_queue *)p; unsigned int nopaged_len = skb_headlen(skb); + struct stmmac_priv *priv = tx_q->priv_data; + unsigned int entry = tx_q->cur_tx; unsigned int bmax, len, des2; + struct dma_desc *desc; if (priv->extend_desc) - desc = (struct dma_desc *)(priv->dma_etx + entry); + desc = (struct dma_desc *)(tx_q->dma_etx + entry); else - desc = priv->dma_tx + entry; + desc = tx_q->dma_tx + entry; if (priv->plat->enh_desc) bmax = BUF_SIZE_8KiB; @@ -52,48 +53,51 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) if (dma_mapping_error(priv->device, des2)) return -1; - priv->tx_skbuff_dma[entry].buf = des2; - priv->tx_skbuff_dma[entry].len = bmax; - priv->tx_skbuff_dma[entry].is_jumbo = true; + tx_q->tx_skbuff_dma[entry].buf = des2; + tx_q->tx_skbuff_dma[entry].len = bmax; + tx_q->tx_skbuff_dma[entry].is_jumbo = true; desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB); priv->hw->desc->prepare_tx_desc(desc, 1, bmax, csum, - STMMAC_RING_MODE, 0, false); - priv->tx_skbuff[entry] = NULL; + STMMAC_RING_MODE, 0, + false, skb->len); + tx_q->tx_skbuff[entry] = NULL; entry = STMMAC_GET_ENTRY(entry, DMA_TX_SIZE); if (priv->extend_desc) - desc = (struct dma_desc *)(priv->dma_etx + entry); + desc = (struct dma_desc *)(tx_q->dma_etx + entry); else - desc = priv->dma_tx + entry; + desc = tx_q->dma_tx + entry; des2 = dma_map_single(priv->device, skb->data + bmax, len, DMA_TO_DEVICE); desc->des2 = cpu_to_le32(des2); if (dma_mapping_error(priv->device, des2)) return -1; - priv->tx_skbuff_dma[entry].buf = des2; - priv->tx_skbuff_dma[entry].len = len; - priv->tx_skbuff_dma[entry].is_jumbo = true; + tx_q->tx_skbuff_dma[entry].buf = des2; + tx_q->tx_skbuff_dma[entry].len = len; + tx_q->tx_skbuff_dma[entry].is_jumbo = true; desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB); priv->hw->desc->prepare_tx_desc(desc, 0, len, csum, - STMMAC_RING_MODE, 1, true); + STMMAC_RING_MODE, 1, + true, skb->len); } else { des2 = dma_map_single(priv->device, skb->data, nopaged_len, DMA_TO_DEVICE); desc->des2 = cpu_to_le32(des2); if (dma_mapping_error(priv->device, des2)) return -1; - priv->tx_skbuff_dma[entry].buf = des2; - priv->tx_skbuff_dma[entry].len = nopaged_len; - priv->tx_skbuff_dma[entry].is_jumbo = true; + tx_q->tx_skbuff_dma[entry].buf = des2; + tx_q->tx_skbuff_dma[entry].len = nopaged_len; + tx_q->tx_skbuff_dma[entry].is_jumbo = true; desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB); priv->hw->desc->prepare_tx_desc(desc, 1, nopaged_len, csum, - STMMAC_RING_MODE, 0, true); + STMMAC_RING_MODE, 0, + true, skb->len); } - priv->cur_tx = entry; + tx_q->cur_tx = entry; return entry; } @@ -125,12 +129,13 @@ static void stmmac_init_desc3(struct dma_desc *p) static void stmmac_clean_desc3(void *priv_ptr, struct dma_desc *p) { - struct stmmac_priv *priv = (struct stmmac_priv *)priv_ptr; - unsigned int entry = priv->dirty_tx; + struct stmmac_tx_queue *tx_q = (struct stmmac_tx_queue *)priv_ptr; + struct stmmac_priv *priv = tx_q->priv_data; + unsigned int entry = tx_q->dirty_tx; /* des3 is only used for jumbo frames tx or time stamping */ - if (unlikely(priv->tx_skbuff_dma[entry].is_jumbo || - (priv->tx_skbuff_dma[entry].last_segment && + if (unlikely(tx_q->tx_skbuff_dma[entry].is_jumbo || + (tx_q->tx_skbuff_dma[entry].last_segment && !priv->extend_desc && priv->hwts_tx_en))) p->des3 = 0; } |