lkml.org 
[lkml]   [2009]   [Jul]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/8 net-next-2.6] cxgb3: Fix T3C MAC max packet size access
Date
From: Divy Le Ray <divy@chelsio.com>

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 <divy@chelsio.com>
---
drivers/net/cxgb3/xgmac.c | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/net/cxgb3/xgmac.c b/drivers/net/cxgb3/xgmac.c
index f87f943..0109ee4 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,


\
 
 \ /
  Last update: 2009-07-08 07:51    [from the cache]
©2003-2011 Jasper Spaans