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| author | Michal Simek <monstr@monstr.eu> | 2012-10-17 11:03:40 +0200 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2013-04-30 11:39:14 +0200 |
| commit | 986f00003ce9cfdceca2f49068b8d443316501d3 (patch) | |
| tree | 5b35e5fcfeb4bc63da7795e9db1222935d2afb49 /drivers/net/zynq_gem.c | |
| parent | 1415107e46460f988e19a5fc59e18f368e72ef19 (diff) | |
| download | u-boot-imx-986f00003ce9cfdceca2f49068b8d443316501d3.zip u-boot-imx-986f00003ce9cfdceca2f49068b8d443316501d3.tar.gz u-boot-imx-986f00003ce9cfdceca2f49068b8d443316501d3.tar.bz2 | |
net: gem: Remove WRAP bit from TX buffer description
Removing this bit causes that frame is sent only once.
(With wrap big one packet has been sent several times
which dramatically decrease throughput)
TRM: (Table 16-3: Tx Buffer Descriptor Entry)
Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'drivers/net/zynq_gem.c')
| -rw-r--r-- | drivers/net/zynq_gem.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index 3596065..7188b9e 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -310,8 +310,7 @@ static int zynq_gem_send(struct eth_device *dev, void *ptr, int len) memset((void *) &(priv->tx_bd), 0, sizeof(struct emac_bd)); priv->tx_bd.addr = (u32)ptr; - priv->tx_bd.status = len | ZYNQ_GEM_TXBUF_LAST_MASK | - ZYNQ_GEM_TXBUF_WRAP_MASK; + priv->tx_bd.status = len | ZYNQ_GEM_TXBUF_LAST_MASK; /* Start transmit */ setbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_STARTTX_MASK); |