[dpdk-dev,v2,07/30] net/ixgbe/base: store link active LED
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Commit Message
Add support to get the link active LED index via the LEDCTL register.
If the LEDCTL register does not have link active LED set then
use MAC default LED index.
Link active LED is used for adapter identify/blink support.
Signed-off-by: Wei Dai <wei.dai@intel.com>
---
drivers/net/ixgbe/base/ixgbe_common.c | 45 +++++++++++++++++++++++++++++++++++
drivers/net/ixgbe/base/ixgbe_common.h | 1 +
drivers/net/ixgbe/base/ixgbe_type.h | 2 ++
3 files changed, 48 insertions(+)
@@ -113,6 +113,7 @@ s32 ixgbe_init_ops_generic(struct ixgbe_hw *hw)
mac->ops.led_off = ixgbe_led_off_generic;
mac->ops.blink_led_start = ixgbe_blink_led_start_generic;
mac->ops.blink_led_stop = ixgbe_blink_led_stop_generic;
+ mac->ops.init_led_link_act = ixgbe_init_led_link_act_generic;
/* RAR, Multicast, VLAN */
mac->ops.set_rar = ixgbe_set_rar_generic;
@@ -497,6 +498,9 @@ s32 ixgbe_init_hw_generic(struct ixgbe_hw *hw)
status = hw->mac.ops.start_hw(hw);
}
+ /* Initialize the LED link active for LED blink support */
+ hw->mac.ops.init_led_link_act(hw);
+
return status;
}
@@ -1136,6 +1140,47 @@ s32 ixgbe_stop_adapter_generic(struct ixgbe_hw *hw)
}
/**
+ * ixgbe_init_led_link_act_generic - Store the LED index link/activity.
+ * @hw: pointer to hardware structure
+ *
+ * Store the index for the link active LED. This will be used to support
+ * blinking the LED.
+ **/
+s32 ixgbe_init_led_link_act_generic(struct ixgbe_hw *hw)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+ u32 led_reg, led_mode;
+ u16 i;
+
+ led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+
+ /* Get LED link active from the LEDCTL register */
+ for (i = 0; i < 4; i++) {
+ led_mode = led_reg >> IXGBE_LED_MODE_SHIFT(i);
+
+ if ((led_mode & IXGBE_LED_MODE_MASK_BASE) ==
+ IXGBE_LED_LINK_ACTIVE) {
+ mac->led_link_act = i;
+ return IXGBE_SUCCESS;
+ }
+ }
+
+ /*
+ * If LEDCTL register does not have the LED link active set, then use
+ * known MAC defaults.
+ */
+ switch (hw->mac.type) {
+ case ixgbe_mac_X550EM_a:
+ case ixgbe_mac_X550EM_x:
+ mac->led_link_act = 1;
+ break;
+ default:
+ mac->led_link_act = 2;
+ }
+ return IXGBE_SUCCESS;
+}
+
+/**
* ixgbe_led_on_generic - Turns on the software controllable LEDs.
* @hw: pointer to hardware structure
* @index: led number to turn on
@@ -72,6 +72,7 @@ s32 ixgbe_stop_adapter_generic(struct ixgbe_hw *hw);
s32 ixgbe_led_on_generic(struct ixgbe_hw *hw, u32 index);
s32 ixgbe_led_off_generic(struct ixgbe_hw *hw, u32 index);
+s32 ixgbe_init_led_link_act_generic(struct ixgbe_hw *hw);
s32 ixgbe_init_eeprom_params_generic(struct ixgbe_hw *hw);
s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data);
@@ -3886,6 +3886,7 @@ struct ixgbe_mac_operations {
s32 (*led_off)(struct ixgbe_hw *, u32);
s32 (*blink_led_start)(struct ixgbe_hw *, u32);
s32 (*blink_led_stop)(struct ixgbe_hw *, u32);
+ s32 (*init_led_link_act)(struct ixgbe_hw *);
/* RAR, Multicast, VLAN */
s32 (*set_rar)(struct ixgbe_hw *, u32, u8 *, u32, u32);
@@ -4029,6 +4030,7 @@ struct ixgbe_mac_info {
struct ixgbe_dmac_config dmac_config;
bool set_lben;
u32 max_link_up_time;
+ u8 led_link_act;
};
struct ixgbe_phy_info {