bnx2x: Manual setting for MRRS

Allows better debug capabilities if the user wants to force an MRRS value

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 60a4e94e6840..2e4d64df66f5 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -88,6 +88,11 @@ module_param(int_mode, int, 0);
 MODULE_PARM_DESC(int_mode, " Force interrupt mode (1 INT#x; 2 MSI)");
 
 module_param(poll, int, 0);
+
+static int mrrs = -1;
+module_param(mrrs, int, 0);
+MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
+
 module_param(debug, int, 0);
 MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
 MODULE_PARM_DESC(poll, "use polling (for debug)");
@@ -8160,6 +8165,7 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp)
                 bp->dev->features |= NETIF_F_LRO;
         }
 
+        bp->mrrs = mrrs;
 
         bp->tx_ring_size = MAX_TX_AVAIL;
         bp->rx_ring_size = MAX_RX_AVAIL;