cxgb4 : Handle dcb enable correctly
Disabling DCBx in firmware automatically enables DCBx for control via host
lldp agents. Wait for an explicit setstate call from an lldp agents to enable
DCBx instead.
Fixes: 76bcb31efc06 ("cxgb4 : Add DCBx support codebase and dcbnl_ops")
Signed-off-by: Anish Bhatt <anish@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 3f60070..97683c1 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -694,7 +694,11 @@
#ifdef CONFIG_CHELSIO_T4_DCB
struct port_info *pi = netdev_priv(dev);
- return pi->dcb.state == CXGB4_DCB_STATE_FW_ALLSYNCED;
+ if (!pi->dcb.enabled)
+ return 0;
+
+ return ((pi->dcb.state == CXGB4_DCB_STATE_FW_ALLSYNCED) ||
+ (pi->dcb.state == CXGB4_DCB_STATE_HOST));
#else
return 0;
#endif