@@ -611,8 +611,10 @@ STATIC void i40e_set_hw_flags(struct i40e_hw *hw)
if (aq->api_maj_ver > 1 ||
(aq->api_maj_ver == 1 &&
- aq->api_min_ver >= 8))
+ aq->api_min_ver >= 8)) {
hw->flags |= I40E_HW_FLAG_FW_LLDP_PERSISTENT;
+ hw->flags |= I40E_HW_FLAG_DROP_MODE;
+ }
if (aq->api_maj_ver > 1 ||
(aq->api_maj_ver == 1 &&
@@ -2098,20 +2098,21 @@ I40E_CHECK_CMD_LENGTH(i40e_aq_set_phy_config);
struct i40e_aq_set_mac_config {
__le16 max_frame_size;
u8 params;
-#define I40E_AQ_SET_MAC_CONFIG_CRC_EN 0x04
-#define I40E_AQ_SET_MAC_CONFIG_PACING_MASK 0x78
-#define I40E_AQ_SET_MAC_CONFIG_PACING_SHIFT 3
-#define I40E_AQ_SET_MAC_CONFIG_PACING_NONE 0x0
-#define I40E_AQ_SET_MAC_CONFIG_PACING_1B_13TX 0xF
-#define I40E_AQ_SET_MAC_CONFIG_PACING_1DW_9TX 0x9
-#define I40E_AQ_SET_MAC_CONFIG_PACING_1DW_4TX 0x8
-#define I40E_AQ_SET_MAC_CONFIG_PACING_3DW_7TX 0x7
-#define I40E_AQ_SET_MAC_CONFIG_PACING_2DW_3TX 0x6
-#define I40E_AQ_SET_MAC_CONFIG_PACING_1DW_1TX 0x5
-#define I40E_AQ_SET_MAC_CONFIG_PACING_3DW_2TX 0x4
-#define I40E_AQ_SET_MAC_CONFIG_PACING_7DW_3TX 0x3
-#define I40E_AQ_SET_MAC_CONFIG_PACING_4DW_1TX 0x2
-#define I40E_AQ_SET_MAC_CONFIG_PACING_9DW_1TX 0x1
+#define I40E_AQ_SET_MAC_CONFIG_CRC_EN 0x04
+#define I40E_AQ_SET_MAC_CONFIG_PACING_MASK 0x78
+#define I40E_AQ_SET_MAC_CONFIG_PACING_SHIFT 3
+#define I40E_AQ_SET_MAC_CONFIG_PACING_NONE 0x0
+#define I40E_AQ_SET_MAC_CONFIG_PACING_1B_13TX 0xF
+#define I40E_AQ_SET_MAC_CONFIG_PACING_1DW_9TX 0x9
+#define I40E_AQ_SET_MAC_CONFIG_PACING_1DW_4TX 0x8
+#define I40E_AQ_SET_MAC_CONFIG_PACING_3DW_7TX 0x7
+#define I40E_AQ_SET_MAC_CONFIG_PACING_2DW_3TX 0x6
+#define I40E_AQ_SET_MAC_CONFIG_PACING_1DW_1TX 0x5
+#define I40E_AQ_SET_MAC_CONFIG_PACING_3DW_2TX 0x4
+#define I40E_AQ_SET_MAC_CONFIG_PACING_7DW_3TX 0x3
+#define I40E_AQ_SET_MAC_CONFIG_PACING_4DW_1TX 0x2
+#define I40E_AQ_SET_MAC_CONFIG_PACING_9DW_1TX 0x1
+#define I40E_AQ_SET_MAC_CONFIG_DROP_BLOCKING_PACKET_EN 0x80
u8 tx_timer_priority; /* bitmap */
__le16 tx_timer_value;
__le16 fc_refresh_threshold;
@@ -1873,6 +1873,7 @@ enum i40e_status_code i40e_set_fc(struct i40e_hw *hw, u8 *aq_failures,
* @max_frame_size: Maximum Frame Size to be supported by the port
* @crc_en: Tell HW to append a CRC to outgoing frames
* @pacing: Pacing configurations
+ * @auto_drop_blocking_packets: Tell HW to drop packets if TC queue is blocked
* @cmd_details: pointer to command details structure or NULL
*
* Configure MAC settings for frame size, jumbo frame support and the
@@ -1881,6 +1882,7 @@ enum i40e_status_code i40e_set_fc(struct i40e_hw *hw, u8 *aq_failures,
enum i40e_status_code i40e_aq_set_mac_config(struct i40e_hw *hw,
u16 max_frame_size,
bool crc_en, u16 pacing,
+ bool auto_drop_blocking_packets,
struct i40e_asq_cmd_details *cmd_details)
{
struct i40e_aq_desc desc;
@@ -1899,6 +1901,15 @@ enum i40e_status_code i40e_aq_set_mac_config(struct i40e_hw *hw,
if (crc_en)
cmd->params |= I40E_AQ_SET_MAC_CONFIG_CRC_EN;
+ if (auto_drop_blocking_packets) {
+ if (hw->flags & I40E_HW_FLAG_DROP_MODE)
+ cmd->params |=
+ I40E_AQ_SET_MAC_CONFIG_DROP_BLOCKING_PACKET_EN;
+ else
+ i40e_debug(hw, I40E_DEBUG_ALL,
+ "This FW api version does not support drop mode.\n");
+ }
+
#define I40E_AQ_SET_MAC_CONFIG_FC_DEFAULT_THRESHOLD 0x7FFF
cmd->fc_refresh_threshold =
CPU_TO_LE16(I40E_AQ_SET_MAC_CONFIG_FC_DEFAULT_THRESHOLD);
@@ -114,6 +114,7 @@ enum i40e_status_code i40e_aq_set_phy_int_mask(struct i40e_hw *hw, u16 mask,
struct i40e_asq_cmd_details *cmd_details);
enum i40e_status_code i40e_aq_set_mac_config(struct i40e_hw *hw,
u16 max_frame_size, bool crc_en, u16 pacing,
+ bool auto_drop_blocking_packets,
struct i40e_asq_cmd_details *cmd_details);
enum i40e_status_code i40e_aq_get_local_advt_reg(struct i40e_hw *hw,
u64 *advt_reg,
@@ -744,6 +744,7 @@ struct i40e_hw {
#define I40E_HW_FLAG_FW_LLDP_STOPPABLE BIT_ULL(4)
#define I40E_HW_FLAG_FW_LLDP_PERSISTENT BIT_ULL(5)
#define I40E_HW_FLAG_AQ_PHY_ACCESS_EXTENDED BIT_ULL(6)
+#define I40E_HW_FLAG_DROP_MODE BIT_ULL(7)
u64 flags;
/* Used in set switch config AQ command */
@@ -1649,7 +1649,7 @@ eth_i40e_dev_init(struct rte_eth_dev *dev, void *init_params __rte_unused)
/* Set the max frame size to 0x2600 by default,
* in case other drivers changed the default value.
*/
- i40e_aq_set_mac_config(hw, I40E_FRAME_SIZE_MAX, TRUE, 0, NULL);
+ i40e_aq_set_mac_config(hw, I40E_FRAME_SIZE_MAX, TRUE, false, 0, NULL);
/* initialize mirror rule list */
TAILQ_INIT(&pf->mirror_list);
This patch adds "drop mode" parameter to set mac config AQ command. This bit controls the behavior when a no-drop packet is blocking a TC queue. 0 – The PF driver is notified. 1 – The blocking packet is dropped and then the PF driver is notified. Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com> --- drivers/net/i40e/base/i40e_adminq.c | 4 +++- drivers/net/i40e/base/i40e_adminq_cmd.h | 29 +++++++++++++------------ drivers/net/i40e/base/i40e_common.c | 11 ++++++++++ drivers/net/i40e/base/i40e_prototype.h | 1 + drivers/net/i40e/base/i40e_type.h | 1 + drivers/net/i40e/i40e_ethdev.c | 2 +- 6 files changed, 32 insertions(+), 16 deletions(-)