bnx2x: Stop management traffic in loopback test
Since management traffic cannot go on the wire while configured to loopback,
simply stop it to avoid race condition when the MAC is set to loopback in the
middle of a packet
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 6c67be6..177cb46 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -9691,8 +9691,15 @@
etest->flags &= ~ETH_TEST_FL_OFFLINE;
if (etest->flags & ETH_TEST_FL_OFFLINE) {
+ int port = BP_PORT(bp);
+ u32 val;
u8 link_up;
+ /* save current value of input enable for TX port IF */
+ val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
+ /* disable input for TX port IF */
+ REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
+
link_up = bp->link_vars.link_up;
bnx2x_nic_unload(bp, UNLOAD_NORMAL);
bnx2x_nic_load(bp, LOAD_DIAG);
@@ -9712,6 +9719,10 @@
etest->flags |= ETH_TEST_FL_FAILED;
bnx2x_nic_unload(bp, UNLOAD_NORMAL);
+
+ /* restore input for TX port IF */
+ REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);
+
bnx2x_nic_load(bp, LOAD_NORMAL);
/* wait until link state is restored */
bnx2x_wait_for_link(bp, link_up);