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Date:	Thu, 3 Oct 2013 12:33:46 +0530
From:	Somnath Kotur <>
To:	<>
CC:	<>, Somnath Kotur <>
Subject: [PATCH net] be2net: Warn users of possible broken functionality on BE2 cards with very old F/W versions with latest driver.

On very old F/W versions < 4.0, the mailbox command to set interrupts on the
card succeeds even though it is not supported and should have failed leading to
interrupts not working.
Hence warn users to upgrade to a suitable F/W version to avoid seeing broken

Signed-off-by: Somnath Kotur <>
 drivers/net/ethernet/emulex/benet/be_main.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 2c38cc4..f4bbc92 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -3247,6 +3247,11 @@ static int be_setup(struct be_adapter *adapter)
 	be_cmd_get_fw_ver(adapter, adapter->fw_ver, adapter->fw_on_flash);
+	if (BE2_chip(adapter) && memcmp(adapter->fw_ver, "4.", 2) < 0) {
+		dev_err(dev, "F/W version is very old. IRQs may not work\n");
+		dev_err(dev, "Pls upgrade to F/W version >= 4.0\n");
+	}
 	if (adapter->vlans_added)

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