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yaml
---
r: 74476
b: refs/heads/master
c: 1a8098b
h: refs/heads/master
v: v3
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Stephen Hemminger authored and Jeff Garzik committed Dec 1, 2007
1 parent 2f157ef commit 86e2217
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Showing 2 changed files with 3 additions and 34 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 44c7fccec4098772b9451a252d162faea4f0cc34
refs/heads/master: 1a8098be987d3fa00c9fe9d2b68154675df49112
35 changes: 2 additions & 33 deletions trunk/drivers/net/skge.c
Original file line number Diff line number Diff line change
Expand Up @@ -2896,11 +2896,7 @@ static void skge_tx_timeout(struct net_device *dev)

static int skge_change_mtu(struct net_device *dev, int new_mtu)
{
struct skge_port *skge = netdev_priv(dev);
struct skge_hw *hw = skge->hw;
int port = skge->port;
int err;
u16 ctl, reg;

if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU)
return -EINVAL;
Expand All @@ -2910,40 +2906,13 @@ static int skge_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}

skge_write32(hw, B0_IMSK, 0);
dev->trans_start = jiffies; /* prevent tx timeout */
netif_stop_queue(dev);
napi_disable(&skge->napi);

ctl = gma_read16(hw, port, GM_GP_CTRL);
gma_write16(hw, port, GM_GP_CTRL, ctl & ~GM_GPCR_RX_ENA);

skge_rx_clean(skge);
skge_rx_stop(hw, port);
skge_down(dev);

dev->mtu = new_mtu;

reg = GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF);
if (new_mtu > 1500)
reg |= GM_SMOD_JUMBO_ENA;
gma_write16(hw, port, GM_SERIAL_MODE, reg);

skge_write8(hw, RB_ADDR(rxqaddr[port], RB_CTRL), RB_ENA_OP_MD);

err = skge_rx_fill(dev);
wmb();
if (!err)
skge_write8(hw, Q_ADDR(rxqaddr[port], Q_CSR), CSR_START | CSR_IRQ_CL_F);
skge_write32(hw, B0_IMSK, hw->intr_mask);

err = skge_up(dev);
if (err)
dev_close(dev);
else {
gma_write16(hw, port, GM_GP_CTRL, ctl);

napi_enable(&skge->napi);
netif_wake_queue(dev);
}

return err;
}
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