diff options
| author |   Claudiu Manoil <claudiu.manoil@freescale.com> | 2016-02-23 11:48:39 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-02-24 16:55:58 -0500 |
| commit | 48963b4492e98fd3b3040755a16215d72552f1bb (patch) | |
| tree | 0c8d5a0087493aeaaa6a30d0dbfcf29a6e187819 /drivers/net/ethernet/freescale/gianfar.c | |
| parent | gianfar: Use skb_frag_t pointers inside xmit() (diff) | |
| download | linux-dev-48963b4492e98fd3b3040755a16215d72552f1bb.tar.xz linux-dev-48963b4492e98fd3b3040755a16215d72552f1bb.zip | |
gianfar: Remove redundant ops for do_tstamp from xmit()
Timestamp BD status updates that can be merged into the
same "do_tstamp" block, no need for extra save/restore
to the BD area. The code is more readable too.
Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/gianfar.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/gianfar.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 7b16ce637a8e..1e1157fa77f4 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -2436,15 +2436,8 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) txbdp_tstamp = txbdp = next_txbd(txbdp, base, tx_queue->tx_ring_size); - if (nr_frags == 0) { - if (unlikely(do_tstamp)) { - u32 lstatus_ts = be32_to_cpu(txbdp_tstamp->lstatus); - - lstatus_ts |= BD_LFLAG(TXBD_LAST | TXBD_INTERRUPT); - txbdp_tstamp->lstatus = cpu_to_be32(lstatus_ts); - } else { - lstatus |= BD_LFLAG(TXBD_LAST | TXBD_INTERRUPT); - } + if (likely(!nr_frags)) { + lstatus |= BD_LFLAG(TXBD_LAST | TXBD_INTERRUPT); } else { u32 lstatus_start = lstatus; @@ -2488,8 +2481,11 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) bufaddr = be32_to_cpu(txbdp_start->bufPtr); bufaddr += fcb_len; + lstatus_ts |= BD_LFLAG(TXBD_READY) | (skb_headlen(skb) - fcb_len); + if (!nr_frags) + lstatus_ts |= BD_LFLAG(TXBD_LAST | TXBD_INTERRUPT); txbdp_tstamp->bufPtr = cpu_to_be32(bufaddr); txbdp_tstamp->lstatus = cpu_to_be32(lstatus_ts); |