[PATCH net-next] liquidio: disallow enabling firmware debug from a VF

[Felix Manlunas]

From: Derek Chickles <derek.chick...@cavium.com>

Disallow enabling firmware debug from a VF.  Only PF is allowed to do that.

Signed-off-by: Derek Chickles <derek.chick...@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlu...@cavium.com>
---
 drivers/net/ethernet/cavium/liquidio/lio_ethtool.c | 9 ++++++++-
 drivers/net/ethernet/cavium/liquidio/lio_vf_main.c | 4 ----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c 
b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
index 579dc73..9a520a7 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
@@ -700,6 +700,13 @@ static void lio_set_msglevel(struct net_device *netdev, 
u32 msglvl)
        lio->msg_enable = msglvl;
 }
 
+static void lio_vf_set_msglevel(struct net_device *netdev, u32 msglvl)
+{
+       struct lio *lio = GET_LIO(netdev);
+
+       lio->msg_enable = msglvl;
+}
+
 static void
 lio_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
 {
@@ -2611,7 +2618,7 @@ static const struct ethtool_ops lio_vf_ethtool_ops = {
        .get_regs_len           = lio_get_regs_len,
        .get_regs               = lio_get_regs,
        .get_msglevel           = lio_get_msglevel,
-       .set_msglevel           = lio_set_msglevel,
+       .set_msglevel           = lio_vf_set_msglevel,
        .get_sset_count         = lio_vf_get_sset_count,
        .get_coalesce           = lio_get_intr_coalesce,
        .set_coalesce           = lio_set_intr_coalesce,
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c 
b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
index 31d737c..ad7ea6d 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
@@ -2997,10 +2997,6 @@ static int setup_nic_devices(struct octeon_device 
*octeon_dev)
                        liquidio_set_feature(netdev, OCTNET_CMD_LRO_ENABLE,
                                             OCTNIC_LROIPV4 | OCTNIC_LROIPV6);
 
-               if ((debug != -1) && (debug & NETIF_MSG_HW))
-                       liquidio_set_feature(netdev, OCTNET_CMD_VERBOSE_ENABLE,
-                                            0);
-
                if (setup_link_status_change_wq(netdev))
                        goto setup_nic_dev_fail;