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amd-xgbe: Add ethtool show/set ring parameter support

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Add ethtool support to show and set the number of the Rx and Tx ring
descriptors.  Changing the ring configuration will result in a device
restart.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Lendacky
2018-05-23 11:38:56 -05:00
committed by David S. Miller
parent 53a1024abf
commit bab748de98
3 changed files with 72 additions and 5 deletions
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6
drivers/net/ethernet/amd/xgbe/xgbe-drv.c
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@@ -1426,10 +1426,8 @@ static void xgbe_stopdev(struct work_struct *work)
netdev_alert(pdata->netdev, "device stopped\n");
}
static void xgbe_restart_dev(struct xgbe_prv_data *pdata)
void xgbe_restart_dev(struct xgbe_prv_data *pdata)
{
DBGPR("-->xgbe_restart_dev\n");
/* If not running, "restart" will happen on open */
if (!netif_running(pdata->netdev))
return;
@@ -1440,8 +1438,6 @@ static void xgbe_restart_dev(struct xgbe_prv_data *pdata)
xgbe_free_rx_data(pdata);
xgbe_start(pdata);
DBGPR("<--xgbe_restart_dev\n");
}
static void xgbe_restart(struct work_struct *work)