From 279abdf59c766a06db89b50c6d3615b4f2b19ed3 Mon Sep 17 00:00:00 2001 From: Eilon Greenstein Date: Tue, 21 Jul 2009 05:47:22 +0000 Subject: 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 Signed-off-by: David S. Miller --- drivers/net/bnx2x_main.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'drivers/net/bnx2x_main.c') diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index 6c67be67976..177cb467ba9 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -9691,8 +9691,15 @@ static void bnx2x_self_test(struct net_device *dev, 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 @@ static void bnx2x_self_test(struct net_device *dev, 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); -- cgit v1.2.3