qlge: Fix chip reset process.

Add wait for NIC fifo and MGMNT fifo to empty before applying reset.
Otherwise broken frames can be processed by management processor and
cause it to hang.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 567b5d6e3413..e7285f01bd04 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -803,6 +803,12 @@ enum {
         MB_CMD_SET_PORT_CFG = 0x00000122,
         MB_CMD_GET_PORT_CFG = 0x00000123,
         MB_CMD_GET_LINK_STS = 0x00000124,
+        MB_CMD_SET_MGMNT_TFK_CTL = 0x00000160, /* Set Mgmnt Traffic Control */
+        MB_SET_MPI_TFK_STOP = (1 << 0),
+        MB_SET_MPI_TFK_RESUME = (1 << 1),
+        MB_CMD_GET_MGMNT_TFK_CTL = 0x00000161, /* Get Mgmnt Traffic Control */
+        MB_GET_MPI_TFK_STOPPED = (1 << 0),
+        MB_GET_MPI_TFK_FIFO_EMPTY = (1 << 1),
 
         /* Mailbox Command Status. */
         MB_CMD_STS_GOOD = 0x00004000,   /* Success. */
@@ -1606,6 +1612,8 @@ int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data);
 int ql_mb_about_fw(struct ql_adapter *qdev);
 void ql_link_on(struct ql_adapter *qdev);
 void ql_link_off(struct ql_adapter *qdev);
+int ql_mb_set_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 control);
+int ql_wait_fifo_empty(struct ql_adapter *qdev);
 
 #if 1
 #define QL_ALL_DUMP