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path: root/drivers/net/bnx2x_main.c
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Diffstat (limited to 'drivers/net/bnx2x_main.c')
-rw-r--r--drivers/net/bnx2x_main.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 039fdd4becff..0ebbc7794803 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -101,6 +101,10 @@ static int int_mode;
module_param(int_mode, int, 0);
MODULE_PARM_DESC(int_mode, " Force interrupt mode (1 INT#x; 2 MSI)");
+static int dropless_fc;
+module_param(dropless_fc, int, 0);
+MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
+
static int poll;
module_param(poll, int, 0);
MODULE_PARM_DESC(poll, " Use polling (for debug)");
@@ -2369,7 +2373,7 @@ static void bnx2x_link_attn(struct bnx2x *bp)
if (bp->link_vars.link_up) {
/* dropless flow control */
- if (CHIP_IS_E1H(bp)) {
+ if (CHIP_IS_E1H(bp) && bp->dropless_fc) {
int port = BP_PORT(bp);
u32 pause_enabled = 0;
@@ -6359,9 +6363,6 @@ static int bnx2x_init_port(struct bnx2x *bp)
REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
(IS_E1HMF(bp) ? 0x1 : 0x2));
- /* support pause requests from USDM, TSDM and BRB */
- REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0 + port*4, 0x7);
-
{
REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
@@ -8677,6 +8678,11 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp)
bp->dev->features |= NETIF_F_LRO;
}
+ if (CHIP_IS_E1(bp))
+ bp->dropless_fc = 0;
+ else
+ bp->dropless_fc = dropless_fc;
+
bp->mrrs = mrrs;
bp->tx_ring_size = MAX_TX_AVAIL;