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authorDave Ertman <david.m.ertman@intel.com>2020-11-20 16:38:35 -0800
committerTony Nguyen <anthony.l.nguyen@intel.com>2021-02-22 11:28:57 -0800
commit0d4907f65dc8fc5e897ad19956fca1acb3b33bc8 (patch)
tree13c2a0e753d3e7536fd4a833e68d54ad342b1ead /drivers/net/ethernet
parenta6aa7c8f998f4afddd73410aa043dad38162ce9e (diff)
ice: Fix state bits on LLDP mode switch
DCBX_CAP bits were not being adjusted when switching between SW and FW controlled LLDP. Adjust bits to correctly indicate which mode the LLDP logic is in. Fixes: b94b013eb626 ("ice: Implement DCBNL support") Signed-off-by: Dave Ertman <david.m.ertman@intel.com> Tested-by: Tony Brelinski <tonyx.brelinski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/intel/ice/ice.h2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_dcb_nl.c4
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ethtool.c7
3 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
index dae8280ce17c..357706444dd5 100644
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@ -454,9 +454,7 @@ struct ice_pf {
struct ice_hw_port_stats stats_prev;
struct ice_hw hw;
u8 stat_prev_loaded:1; /* has previous stats been loaded */
-#ifdef CONFIG_DCB
u16 dcbx_cap;
-#endif /* CONFIG_DCB */
u32 tx_timeout_count;
unsigned long tx_timeout_last_recovery;
u32 tx_timeout_recovery_level;
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_nl.c b/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
index 299bf7edbf82..468a63f7eff9 100644
--- a/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
+++ b/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
@@ -159,6 +159,10 @@ static u8 ice_dcbnl_setdcbx(struct net_device *netdev, u8 mode)
struct ice_pf *pf = ice_netdev_to_pf(netdev);
struct ice_qos_cfg *qos_cfg;
+ /* if FW LLDP agent is running, DCBNL not allowed to change mode */
+ if (test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags))
+ return ICE_DCB_NO_HW_CHG;
+
/* No support for LLD_MANAGED modes or CEE+IEEE */
if ((mode & DCB_CAP_DCBX_LLD_MANAGED) ||
((mode & DCB_CAP_DCBX_VER_IEEE) && (mode & DCB_CAP_DCBX_VER_CEE)) ||
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index 5636c9b23896..4001857788f8 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -8,6 +8,7 @@
#include "ice_fltr.h"
#include "ice_lib.h"
#include "ice_dcb_lib.h"
+#include <net/dcbnl.h>
struct ice_stats {
char stat_string[ETH_GSTRING_LEN];
@@ -1238,6 +1239,9 @@ static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
status = ice_init_pf_dcb(pf, true);
if (status)
dev_warn(dev, "Fail to init DCB\n");
+
+ pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
+ pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
} else {
enum ice_status status;
bool dcbx_agent_status;
@@ -1280,6 +1284,9 @@ static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
if (status)
dev_dbg(dev, "Fail to enable MIB change events\n");
+ pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
+ pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
+
ice_nway_reset(netdev);
}
}