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Commit c5923081 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik
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[PATCH] skge: increase receive flush threshold default 



The flush threshold in the MAC chip should be increased.
Found while reviewing vendor version of sk98lin driver.

Signed-off-by: default avatarStephen Hemminger <shemminger@osdl.org>
Signed-off-by: default avatarJeff Garzik <jgarzik@pobox.com>
parent 5e1705dd

drivers/net/skge.c

+6 −1
Original line number Diff line number Diff line
@@ -1780,7 +1780,12 @@ static void yukon_mac_init(struct skge_hw *hw, int port) 
		reg &= ~GMF_RX_F_FL_ON;

	skge_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR);

	skge_write16(hw, SK_REG(port, RX_GMF_CTRL_T), reg);

	skge_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF);

	/*

	 * because Pause Packet Truncation in GMAC is not working

	 * we have to increase the Flush Threshold to 64 bytes

	 * in order to flush pause packets in Rx FIFO on Yukon-1

	 */

	skge_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF+1);



	/* Configure Tx MAC FIFO */

	skge_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR);