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path: root/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/ring_mode.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/ring_mode.c40
1 files changed, 20 insertions, 20 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
index 4b785e1..c9d942a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
+++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
@@ -30,7 +30,7 @@
static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum)
{
- struct stmmac_priv *priv = (struct stmmac_priv *) p;
+ struct stmmac_priv *priv = (struct stmmac_priv *)p;
unsigned int txsize = priv->dma_tx_size;
unsigned int entry = priv->cur_tx % txsize;
struct dma_desc *desc = priv->dma_tx + entry;
@@ -48,25 +48,30 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum)
desc->des2 = dma_map_single(priv->device, skb->data,
bmax, DMA_TO_DEVICE);
+ priv->tx_skbuff_dma[entry] = desc->des2;
desc->des3 = desc->des2 + BUF_SIZE_4KiB;
- priv->hw->desc->prepare_tx_desc(desc, 1, bmax,
- csum);
+ priv->hw->desc->prepare_tx_desc(desc, 1, bmax, csum,
+ STMMAC_RING_MODE);
wmb();
entry = (++priv->cur_tx) % txsize;
desc = priv->dma_tx + entry;
desc->des2 = dma_map_single(priv->device, skb->data + bmax,
len, DMA_TO_DEVICE);
+ priv->tx_skbuff_dma[entry] = desc->des2;
desc->des3 = desc->des2 + BUF_SIZE_4KiB;
- priv->hw->desc->prepare_tx_desc(desc, 0, len, csum);
+ priv->hw->desc->prepare_tx_desc(desc, 0, len, csum,
+ STMMAC_RING_MODE);
wmb();
priv->hw->desc->set_tx_owner(desc);
priv->tx_skbuff[entry] = NULL;
} else {
desc->des2 = dma_map_single(priv->device, skb->data,
nopaged_len, DMA_TO_DEVICE);
+ priv->tx_skbuff_dma[entry] = desc->des2;
desc->des3 = desc->des2 + BUF_SIZE_4KiB;
- priv->hw->desc->prepare_tx_desc(desc, 1, nopaged_len, csum);
+ priv->hw->desc->prepare_tx_desc(desc, 1, nopaged_len, csum,
+ STMMAC_RING_MODE);
}
return entry;
@@ -82,27 +87,23 @@ static unsigned int stmmac_is_jumbo_frm(int len, int enh_desc)
return ret;
}
-static void stmmac_refill_desc3(int bfsize, struct dma_desc *p)
+static void stmmac_refill_desc3(void *priv_ptr, struct dma_desc *p)
{
- /* Fill DES3 in case of RING mode */
- if (bfsize >= BUF_SIZE_8KiB)
- p->des3 = p->des2 + BUF_SIZE_8KiB;
-}
+ struct stmmac_priv *priv = (struct stmmac_priv *)priv_ptr;
-/* In ring mode we need to fill the desc3 because it is used
- * as buffer */
-static void stmmac_init_desc3(int des3_as_data_buf, struct dma_desc *p)
-{
- if (unlikely(des3_as_data_buf))
- p->des3 = p->des2 + BUF_SIZE_8KiB;
+ if (unlikely(priv->plat->has_gmac))
+ /* Fill DES3 in case of RING mode */
+ if (priv->dma_buf_sz >= BUF_SIZE_8KiB)
+ p->des3 = p->des2 + BUF_SIZE_8KiB;
}
-static void stmmac_init_dma_chain(struct dma_desc *des, dma_addr_t phy_addr,
- unsigned int size)
+/* In ring mode we need to fill the desc3 because it is used as buffer */
+static void stmmac_init_desc3(struct dma_desc *p)
{
+ p->des3 = p->des2 + BUF_SIZE_8KiB;
}
-static void stmmac_clean_desc3(struct dma_desc *p)
+static void stmmac_clean_desc3(void *priv_ptr, struct dma_desc *p)
{
if (unlikely(p->des3))
p->des3 = 0;
@@ -121,7 +122,6 @@ const struct stmmac_ring_mode_ops ring_mode_ops = {
.jumbo_frm = stmmac_jumbo_frm,
.refill_desc3 = stmmac_refill_desc3,
.init_desc3 = stmmac_init_desc3,
- .init_dma_chain = stmmac_init_dma_chain,
.clean_desc3 = stmmac_clean_desc3,
.set_16kib_bfsize = stmmac_set_16kib_bfsize,
};
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