netdev - [net-next PATCH 8/8] qlge: Add support for lost firmware events.

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Date:	Tue,  3 Mar 2009 14:10:37 -0800
From:	Ron Mercer <ron.mercer@...gic.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, linux-driver@...gic.com,
	ron.mercer@...gic.com
Subject: [net-next PATCH 8/8] qlge: Add support for lost firmware events.

When the firmware is issuing events to the driver the events
must be removed from the queue.  If the queue overflows, the
firmware will build and special event that captures those that
are lost.

Signed-off-by: Ron Mercer <ron.mercer@...gic.com>
---
 drivers/net/qlge/qlge_mpi.c |   25 +++++++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index f9a2371..9f81b79 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -284,6 +284,27 @@ static int ql_sfp_out(struct ql_adapter *qdev, struct mbox_params *mbcp)
 	return status;
 }
 
+static int ql_aen_lost(struct ql_adapter *qdev, struct mbox_params *mbcp)
+{
+	int status;
+
+	mbcp->out_count = 6;
+
+	status = ql_get_mb_sts(qdev, mbcp);
+	if (status)
+		QPRINTK(qdev, DRV, ERR, "Lost AEN broken!\n");
+	else {
+		int i;
+		QPRINTK(qdev, DRV, ERR, "Lost AEN detected.\n");
+		for (i = 0; i < mbcp->out_count; i++)
+			QPRINTK(qdev, DRV, ERR, "mbox_out[%d] = 0x%.08x.\n",
+					i, mbcp->mbox_out[i]);
+
+	}
+
+	return status;
+}
+
 static void ql_init_fw_done(struct ql_adapter *qdev, struct mbox_params *mbcp)
 {
 	int status;
@@ -421,6 +442,10 @@ static int ql_mpi_handler(struct ql_adapter *qdev, struct mbox_params *mbcp)
 		status = -EIO;
 		break;
 
+	case AEN_AEN_LOST:
+		ql_aen_lost(qdev, mbcp);
+		break;
+
 	default:
 		QPRINTK(qdev, DRV, ERR,
 			"Unsupported AE %.08x.\n", mbcp->mbox_out[0]);
-- 
1.6.0.2

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