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path: root/drivers/net/ethernet/intel/ice/ice_ptp.h
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ptp.h')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ptp.h30
1 files changed, 24 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.h b/drivers/net/ethernet/intel/ice/ice_ptp.h
index e1c787bd5b96..53c15fc9d996 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.h
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.h
@@ -9,12 +9,21 @@
#include "ice_ptp_hw.h"
-enum ice_ptp_pin {
+enum ice_ptp_pin_e810 {
GPIO_20 = 0,
GPIO_21,
GPIO_22,
GPIO_23,
- NUM_ICE_PTP_PIN
+ NUM_PTP_PIN_E810
+};
+
+enum ice_ptp_pin_e810t {
+ GNSS = 0,
+ SMA1,
+ UFL1,
+ SMA2,
+ UFL2,
+ NUM_PTP_PINS_E810T
};
struct ice_perout_channel {
@@ -46,15 +55,21 @@ struct ice_perout_channel {
* struct ice_tx_tstamp - Tracking for a single Tx timestamp
* @skb: pointer to the SKB for this timestamp request
* @start: jiffies when the timestamp was first requested
+ * @cached_tstamp: last read timestamp
*
* This structure tracks a single timestamp request. The SKB pointer is
* provided when initiating a request. The start time is used to ensure that
* we discard old requests that were not fulfilled within a 2 second time
* window.
+ * Timestamp values in the PHY are read only and do not get cleared except at
+ * hardware reset or when a new timestamp value is captured. The cached_tstamp
+ * field is used to detect the case where a new timestamp has not yet been
+ * captured, ensuring that we avoid sending stale timestamp data to the stack.
*/
struct ice_tx_tstamp {
struct sk_buff *skb;
unsigned long start;
+ u64 cached_tstamp;
};
/**
@@ -155,8 +170,11 @@ struct ice_ptp {
#define PPS_CLK_SRC_CHAN 2
#define PPS_PIN_INDEX 5
#define TIME_SYNC_PIN_INDEX 4
-#define E810_N_EXT_TS 3
-#define E810_N_PER_OUT 4
+#define N_EXT_TS_E810 3
+#define N_PER_OUT_E810 4
+#define N_PER_OUT_E810T 3
+#define N_PER_OUT_E810T_NO_SMA 2
+#define N_EXT_TS_E810_NO_SMA 2
#if IS_ENABLED(CONFIG_PTP_1588_CLOCK)
struct ice_pf;
@@ -168,7 +186,7 @@ s8 ice_ptp_request_ts(struct ice_ptp_tx *tx, struct sk_buff *skb);
void ice_ptp_process_ts(struct ice_pf *pf);
void
-ice_ptp_rx_hwtstamp(struct ice_ring *rx_ring,
+ice_ptp_rx_hwtstamp(struct ice_rx_ring *rx_ring,
union ice_32b_rx_flex_desc *rx_desc, struct sk_buff *skb);
void ice_ptp_init(struct ice_pf *pf);
void ice_ptp_release(struct ice_pf *pf);
@@ -196,7 +214,7 @@ ice_ptp_request_ts(struct ice_ptp_tx *tx, struct sk_buff *skb)
static inline void ice_ptp_process_ts(struct ice_pf *pf) { }
static inline void
-ice_ptp_rx_hwtstamp(struct ice_ring *rx_ring,
+ice_ptp_rx_hwtstamp(struct ice_rx_ring *rx_ring,
union ice_32b_rx_flex_desc *rx_desc, struct sk_buff *skb) { }
static inline void ice_ptp_init(struct ice_pf *pf) { }
static inline void ice_ptp_release(struct ice_pf *pf) { }