net/i40e/base: add capability flag for stopping FW LLDP

Add HW capability flag to indicate that firmware supports stopping
LLDP agent. This feature has been added in FW API 1.7 for XL710
devices and 1.6 for X722. Also raise expected minor version number
for X722 FW API to 6.

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Beilei Xing <beilei.xing@intel.com>

diff --git a/drivers/net/i40e/base/i40e_adminq.c b/drivers/net/i40e/base/i40e_adminq.c
index 3a11bec..38214a3 100644 (file)
--- a/drivers/net/i40e/base/i40e_adminq.c
+++ b/drivers/net/i40e/base/i40e_adminq.c
@@ -668,6 +668,12 @@ enum i40e_status_code i40e_init_adminq(struct i40e_hw *hw)
            hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR &&
            hw->aq.api_min_ver >= I40E_MINOR_VER_GET_LINK_INFO_XL710) {
                hw->flags |= I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE;
+               hw->flags |= I40E_HW_FLAG_FW_LLDP_STOPPABLE;
+       }
+       if (hw->mac.type == I40E_MAC_X722 &&
+           hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR &&
+           hw->aq.api_min_ver >= I40E_MINOR_VER_FW_LLDP_STOPPABLE_X722) {
+               hw->flags |= I40E_HW_FLAG_FW_LLDP_STOPPABLE;
        }
 
        /* Newer versions of firmware require lock when reading the NVM */

diff --git a/drivers/net/i40e/base/i40e_adminq_cmd.h b/drivers/net/i40e/base/i40e_adminq_cmd.h
index cd8e3a5..6ff46e3 100644 (file)
--- a/drivers/net/i40e/base/i40e_adminq_cmd.h
+++ b/drivers/net/i40e/base/i40e_adminq_cmd.h
@@ -12,7 +12,7 @@
  */
 
 #define I40E_FW_API_VERSION_MAJOR      0x0001
-#define I40E_FW_API_VERSION_MINOR_X722 0x0005
+#define I40E_FW_API_VERSION_MINOR_X722 0x0006
 #define I40E_FW_API_VERSION_MINOR_X710 0x0007
 
 #define I40E_FW_MINOR_VERSION(_h) ((_h)->mac.type == I40E_MAC_XL710 ? \
@@ -21,6 +21,8 @@
 
 /* API version 1.7 implements additional link and PHY-specific APIs  */
 #define I40E_MINOR_VER_GET_LINK_INFO_XL710 0x0007
+/* API version 1.6 for X722 devices adds ability to stop FW LLDP agent */
+#define I40E_MINOR_VER_FW_LLDP_STOPPABLE_X722 0x0006
 
 struct i40e_aq_desc {
        __le16 flags;

diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c
index 717e067..3516084 100644 (file)
--- a/drivers/net/i40e/base/i40e_common.c
+++ b/drivers/net/i40e/base/i40e_common.c
@@ -4552,6 +4552,9 @@ i40e_aq_set_dcb_parameters(struct i40e_hw *hw, bool dcb_enable,
                (struct i40e_aqc_set_dcb_parameters *)&desc.params.raw;
        enum i40e_status_code status;
 
+       if (!(hw->flags & I40E_HW_FLAG_FW_LLDP_STOPPABLE))
+               return I40E_ERR_DEVICE_NOT_SUPPORTED;
+
        i40e_fill_default_direct_cmd_desc(&desc,
                                          i40e_aqc_opc_set_dcb_parameters);
 

diff --git a/drivers/net/i40e/base/i40e_type.h b/drivers/net/i40e/base/i40e_type.h
index b362115..77562f2 100644 (file)
--- a/drivers/net/i40e/base/i40e_type.h
+++ b/drivers/net/i40e/base/i40e_type.h
@@ -720,6 +720,7 @@ struct i40e_hw {
 #define I40E_HW_FLAG_802_1AD_CAPABLE        BIT_ULL(1)
 #define I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE  BIT_ULL(2)
 #define I40E_HW_FLAG_NVM_READ_REQUIRES_LOCK BIT_ULL(3)
+#define I40E_HW_FLAG_FW_LLDP_STOPPABLE     BIT_ULL(4)
        u64 flags;
 
        /* Used in set switch config AQ command */