From: Stephen Hemminger Date: Tue, 16 Aug 2005 21:01:02 +0000 (-0700) Subject: [PATCH] skge: increase receive flush threshold default X-Git-Tag: v2.6.14-rc1~1055^2~18 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c59230818f7a8969c2f9d3b601745679127a4016;p=linux-2.6 [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: Stephen Hemminger Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 3990829d3c..38fc66a1e1 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -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);