diff options
| author | Madalin Bucur <madalin.bucur@nxp.com> | 2019-10-31 16:37:53 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-10-31 12:13:34 -0700 |
| commit | 2388ba36e94594406a755aceafc5983c289e68bf (patch) | |
| tree | 14f6a0b5f99904a1410946a1f349820fb8254d5a /drivers/net/ethernet/freescale | |
| parent | 7689d82c4585cf2047801b36f9a78410c8237a25 (diff) | |
| download | linux-2388ba36e94594406a755aceafc5983c289e68bf.tar.bz2 | |
dpaa_eth: cleanup skb_to_contig_fd()
Remove cast, align variable name, simplify DMA map size computation.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index a278651c81f6..f3aa154172c3 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -1369,7 +1369,7 @@ static void count_ern(struct dpaa_percpu_priv *percpu_priv, static int dpaa_enable_tx_csum(struct dpaa_priv *priv, struct sk_buff *skb, struct qm_fd *fd, - char *parse_results) + void *parse_results) { struct fman_prs_result *parse_result; u16 ethertype = ntohs(skb->protocol); @@ -1831,7 +1831,7 @@ static int skb_to_contig_fd(struct dpaa_priv *priv, { struct net_device *net_dev = priv->net_dev; enum dma_data_direction dma_dir; - unsigned char *buffer_start; + unsigned char *buff_start; struct sk_buff **skbh; dma_addr_t addr; int err; @@ -1840,10 +1840,10 @@ static int skb_to_contig_fd(struct dpaa_priv *priv, * available, so just use that for offset. */ fd->bpid = FSL_DPAA_BPID_INV; - buffer_start = skb->data - priv->tx_headroom; + buff_start = skb->data - priv->tx_headroom; dma_dir = DMA_TO_DEVICE; - skbh = (struct sk_buff **)buffer_start; + skbh = (struct sk_buff **)buff_start; *skbh = skb; /* Enable L3/L4 hardware checksum computation. @@ -1852,7 +1852,7 @@ static int skb_to_contig_fd(struct dpaa_priv *priv, * need to write into the skb. */ err = dpaa_enable_tx_csum(priv, skb, fd, - ((char *)skbh) + DPAA_TX_PRIV_DATA_SIZE); + buff_start + DPAA_TX_PRIV_DATA_SIZE); if (unlikely(err < 0)) { if (net_ratelimit()) netif_err(priv, tx_err, net_dev, "HW csum error: %d\n", @@ -1865,8 +1865,8 @@ static int skb_to_contig_fd(struct dpaa_priv *priv, fd->cmd |= cpu_to_be32(FM_FD_CMD_FCO); /* Map the entire buffer size that may be seen by FMan, but no more */ - addr = dma_map_single(priv->tx_dma_dev, skbh, - skb_tail_pointer(skb) - buffer_start, dma_dir); + addr = dma_map_single(priv->tx_dma_dev, buff_start, + priv->tx_headroom + skb->len, dma_dir); if (unlikely(dma_mapping_error(priv->tx_dma_dev, addr))) { if (net_ratelimit()) netif_err(priv, tx_err, net_dev, "dma_map_single() failed\n"); |