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net: gem: Remove WRAP bit from TX buffer description

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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>
This commit is contained in:
Michal Simek 2012-10-17 11:03:40 +02:00 • committed by Michal Simek
parent 1415107e46
commit 986f00003c
1 changed files with 1 additions and 2 deletions
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3
drivers/net/zynq_gem.c
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@ -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(&regs->nwctrl, ZYNQ_GEM_NWCTRL_STARTTX_MASK);