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dpaa2-eth: invoke dpaa2_eth_enable_tx_tstamp() once in code 

Invoke dpaa2_eth_enable_tx_tstamp() once in code after building FD,
rather than calling it in dpaa2_eth_build_single_fd(),
dpaa2_eth_build_sg_fd_single_buf(), and dpaa2_eth_build_sg_fd().

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yangbo Lu 2020-09-18 17:08:00 +08:00 committed by David S. Miller
parent d21c784c78
commit 64a965dedc
1 changed files with 16 additions and 15 deletions
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31
drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
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@ -589,7 +589,8 @@ static void dpaa2_eth_enable_tx_tstamp(struct dpaa2_fd *fd, void *buf_start)
/* Create a frame descriptor based on a fragmented skb */
static int dpaa2_eth_build_sg_fd(struct dpaa2_eth_priv *priv,
struct sk_buff *skb,
struct dpaa2_fd *fd)
struct dpaa2_fd *fd,
void **swa_addr)
{
struct device *dev = priv->net_dev->dev.parent;
void *sgt_buf = NULL;
@ -658,6 +659,7 @@ static int dpaa2_eth_build_sg_fd(struct dpaa2_eth_priv *priv,
* skb backpointer in the software annotation area. We'll need
* all of them on Tx Conf.
*/
*swa_addr = (void *)sgt_buf;
swa = (struct dpaa2_eth_swa *)sgt_buf;
swa->type = DPAA2_ETH_SWA_SG;
swa->sg.skb = skb;
@ -677,9 +679,6 @@ static int dpaa2_eth_build_sg_fd(struct dpaa2_eth_priv *priv,
dpaa2_fd_set_len(fd, skb->len);
dpaa2_fd_set_ctrl(fd, FD_CTRL_PTA);
if (priv->tx_tstamp && skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)
dpaa2_eth_enable_tx_tstamp(fd, sgt_buf);
return 0;
dma_map_single_failed:
@ -699,7 +698,8 @@ dma_map_sg_failed:
*/
static int dpaa2_eth_build_sg_fd_single_buf(struct dpaa2_eth_priv *priv,
struct sk_buff *skb,
struct dpaa2_fd *fd)
struct dpaa2_fd *fd,
void **swa_addr)
{
struct device *dev = priv->net_dev->dev.parent;
struct dpaa2_eth_sgt_cache *sgt_cache;
@ -737,6 +737,7 @@ static int dpaa2_eth_build_sg_fd_single_buf(struct dpaa2_eth_priv *priv,
dpaa2_sg_set_final(sgt, true);
/* Store the skb backpointer in the SGT buffer */
*swa_addr = (void *)sgt_buf;
swa = (struct dpaa2_eth_swa *)sgt_buf;
swa->type = DPAA2_ETH_SWA_SINGLE;
swa->single.skb = skb;
@ -755,9 +756,6 @@ static int dpaa2_eth_build_sg_fd_single_buf(struct dpaa2_eth_priv *priv,
dpaa2_fd_set_len(fd, skb->len);
dpaa2_fd_set_ctrl(fd, FD_CTRL_PTA);
if (priv->tx_tstamp && skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)
dpaa2_eth_enable_tx_tstamp(fd, sgt_buf);
return 0;
sgt_map_failed:
@ -774,7 +772,8 @@ data_map_failed:
/* Create a frame descriptor based on a linear skb */
static int dpaa2_eth_build_single_fd(struct dpaa2_eth_priv *priv,
struct sk_buff *skb,
struct dpaa2_fd *fd)
struct dpaa2_fd *fd,
void **swa_addr)
{
struct device *dev = priv->net_dev->dev.parent;
u8 *buffer_start, *aligned_start;
@ -795,6 +794,7 @@ static int dpaa2_eth_build_single_fd(struct dpaa2_eth_priv *priv,
* (in the private data area) such that we can release it
* on Tx confirm
*/
*swa_addr = (void *)buffer_start;
swa = (struct dpaa2_eth_swa *)buffer_start;
swa->type = DPAA2_ETH_SWA_SINGLE;
swa->single.skb = skb;
@ -811,9 +811,6 @@ static int dpaa2_eth_build_single_fd(struct dpaa2_eth_priv *priv,
dpaa2_fd_set_format(fd, dpaa2_fd_single);
dpaa2_fd_set_ctrl(fd, FD_CTRL_PTA);
if (priv->tx_tstamp && skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)
dpaa2_eth_enable_tx_tstamp(fd, buffer_start);
return 0;
}
@ -939,6 +936,7 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev)
u32 fd_len;
u8 prio = 0;
int err, i;
void *swa;
percpu_stats = this_cpu_ptr(priv->percpu_stats);
percpu_extras = this_cpu_ptr(priv->percpu_extras);
@ -959,17 +957,17 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev)
memset(&fd, 0, sizeof(fd));
if (skb_is_nonlinear(skb)) {
err = dpaa2_eth_build_sg_fd(priv, skb, &fd);
err = dpaa2_eth_build_sg_fd(priv, skb, &fd, &swa);
percpu_extras->tx_sg_frames++;
percpu_extras->tx_sg_bytes += skb->len;
} else if (skb_headroom(skb) < needed_headroom) {
err = dpaa2_eth_build_sg_fd_single_buf(priv, skb, &fd);
err = dpaa2_eth_build_sg_fd_single_buf(priv, skb, &fd, &swa);
percpu_extras->tx_sg_frames++;
percpu_extras->tx_sg_bytes += skb->len;
percpu_extras->tx_converted_sg_frames++;
percpu_extras->tx_converted_sg_bytes += skb->len;
} else {
err = dpaa2_eth_build_single_fd(priv, skb, &fd);
err = dpaa2_eth_build_single_fd(priv, skb, &fd, &swa);
}
if (unlikely(err)) {
@ -977,6 +975,9 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev)
goto err_build_fd;
}
if (priv->tx_tstamp && skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)
dpaa2_eth_enable_tx_tstamp(&fd, swa);
/* Tracing point */
trace_dpaa2_tx_fd(net_dev, &fd);