From cfe2462c6af309ee70e4aeefa55cae976071b9e2 Mon Sep 17 00:00:00 2001 From: Divy Le Ray Date: Tue, 7 Jul 2009 19:48:38 +0000 Subject: [PATCH] cxgb3: Fix T3C MAC max packet size access Max packet size is not the only field in T3C's High Water Mark register. Mask the register to access this field. Signed-off-by: Divy Le Ray Signed-off-by: David S. Miller --- drivers/net/cxgb3/xgmac.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/net/cxgb3/xgmac.c b/drivers/net/cxgb3/xgmac.c index f87f9435049f..0109ee4f2f91 100644 --- a/drivers/net/cxgb3/xgmac.c +++ b/drivers/net/cxgb3/xgmac.c @@ -447,11 +447,12 @@ int t3_mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, int fc) val = t3_read_reg(adap, A_XGM_RXFIFO_CFG + oft); val &= ~V_RXFIFOPAUSEHWM(M_RXFIFOPAUSEHWM); - if (fc & PAUSE_TX) - val |= V_RXFIFOPAUSEHWM(rx_fifo_hwm( - t3_read_reg(adap, - A_XGM_RX_MAX_PKT_SIZE - + oft)) / 8); + if (fc & PAUSE_TX) { + u32 rx_max_pkt_size = + G_RXMAXPKTSIZE(t3_read_reg(adap, + A_XGM_RX_MAX_PKT_SIZE + oft)); + val |= V_RXFIFOPAUSEHWM(rx_fifo_hwm(rx_max_pkt_size) / 8); + } t3_write_reg(adap, A_XGM_RXFIFO_CFG + oft, val); t3_set_reg_field(adap, A_XGM_TX_CFG + oft, F_TXPAUSEEN, -- 2.39.5