be2net: use v1 of SET_FLOW_CONTROL command

In some configurations the FW doesn't allow changing flow control settings
of a link. Unless a v1 version of the SET_FLOW_CONTROL cmd is used, the FW
doesn't report an error to the driver.

Signed-off-by: Suresh Reddy <Suresh.Reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 7 insertions, 1 deletions

diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index 8bb6fd913819..5d8016c0c134 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -1948,6 +1948,7 @@ int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
                                OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req),
                                wrb, NULL);
 
+        req->hdr.version = 1;
         req->tx_flow_control = cpu_to_le16((u16)tx_fc);
         req->rx_flow_control = cpu_to_le16((u16)rx_fc);
 
@@ -1955,6 +1956,10 @@ int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
 
 err:
         spin_unlock_bh(&adapter->mcc_lock);
+
+        if (base_status(status) == MCC_STATUS_FEATURE_NOT_SUPPORTED)
+                return  -EOPNOTSUPP;
+
         return status;
 }
 
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h
index 0e1186856aa6..3b1606cb3cbf 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.h
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.h
@@ -57,7 +57,8 @@ enum mcc_base_status {
         MCC_STATUS_ILLEGAL_FIELD = 3,
         MCC_STATUS_INSUFFICIENT_BUFFER = 4,
         MCC_STATUS_UNAUTHORIZED_REQUEST = 5,
-        MCC_STATUS_NOT_SUPPORTED = 66
+        MCC_STATUS_NOT_SUPPORTED = 66,
+        MCC_STATUS_FEATURE_NOT_SUPPORTED = 68
 };
 
 /* Additional status */