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>
diff --git a/drivers/net/bnx2x_init.h b/drivers/net/bnx2x_init.h
index a6c0b3a..961db49 100644
--- a/drivers/net/bnx2x_init.h
+++ b/drivers/net/bnx2x_init.h
@@ -572,7 +572,12 @@
bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
- r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
+ if (bp->mrrs == -1)
+ r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
+ else {
+ DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
+ r_order = bp->mrrs;
+ }
if (r_order > MAX_RD_ORD) {
DP(NETIF_MSG_HW, "read order of %d order adjusted to %d\n",