[PATCH net 3/4] bnxt_en: Check if firmware LLDP agent is running.

[Michael Chan]

Set DCB_CAP_DCBX_HOST capability flag only if the firmware LLDP agent
is not running.

Signed-off-by: Michael Chan <michael.c...@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c     | 4 ++++
 drivers/net/ethernet/broadcom/bnxt/bnxt.h     | 1 +
 drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c | 2 +-
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c 
b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index bbe9371..869d4c9 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -4465,6 +4465,10 @@ static int bnxt_hwrm_func_qcfg(struct bnxt *bp)
                vf->vlan = le16_to_cpu(resp->vlan) & VLAN_VID_MASK;
        }
 #endif
+       if (BNXT_PF(bp) && (le16_to_cpu(resp->flags) &
+                           FUNC_QCFG_RESP_FLAGS_FW_DCBX_AGENT_ENABLED))
+               bp->flags |= BNXT_FLAG_FW_LLDP_AGENT;
+
        switch (resp->port_partition_type) {
        case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_0:
        case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_5:
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h 
b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index faf26a2..c7a5b84 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -993,6 +993,7 @@ struct bnxt {
                                         BNXT_FLAG_ROCEV2_CAP)
        #define BNXT_FLAG_NO_AGG_RINGS  0x20000
        #define BNXT_FLAG_RX_PAGE_MODE  0x40000
+       #define BNXT_FLAG_FW_LLDP_AGENT 0x80000
        #define BNXT_FLAG_CHIP_NITRO_A0 0x1000000
 
        #define BNXT_FLAG_ALL_CONFIG_FEATS (BNXT_FLAG_TPA |             \
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c 
b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
index fdf2d8c..03532061 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
@@ -474,7 +474,7 @@ void bnxt_dcb_init(struct bnxt *bp)
                return;
 
        bp->dcbx_cap = DCB_CAP_DCBX_VER_IEEE;
-       if (BNXT_PF(bp))
+       if (BNXT_PF(bp) && !(bp->flags & BNXT_FLAG_FW_LLDP_AGENT))
                bp->dcbx_cap |= DCB_CAP_DCBX_HOST;
        else
                bp->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
-- 
1.8.3.1