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From: Anatoly Burakov <anatoly.burakov@intel.com>
To: dev@dpdk.org
Cc: Yochai Hagvi <yochai.hagvi@intel.com>, bruce.richardson@intel.com,
ian.stokes@intel.com
Subject: [PATCH v3 036/129] net/ice/base: add helper function for refsync
Date: Tue, 25 Jun 2024 12:12:41 +0100
Message-ID: <f663e122aaaac198b6188d08946b8d3894e22687.1719313663.git.anatoly.burakov@intel.com>
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From: Yochai Hagvi <yochai.hagvi@intel.com>
Add a helper function to determine whether a given pin of DPLL is capable for
refsync configuration.
Signed-off-by: Yochai Hagvi <yochai.hagvi@intel.com>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
---
drivers/net/ice/base/ice_ptp_hw.c | 16 ++++++++++++++++
drivers/net/ice/base/ice_ptp_hw.h | 1 +
2 files changed, 17 insertions(+)
diff --git a/drivers/net/ice/base/ice_ptp_hw.c b/drivers/net/ice/base/ice_ptp_hw.c
index 85c2cbb3ed..4168608225 100644
--- a/drivers/net/ice/base/ice_ptp_hw.c
+++ b/drivers/net/ice/base/ice_ptp_hw.c
@@ -5783,3 +5783,19 @@ int ice_ptp_init_phc(struct ice_hw *hw)
return status;
}
+
+/**
+ * refsync_pin_id_valid
+ * @hw: pointer to the HW struct
+ * @id: pin index
+ *
+ * Checks whether DPLL's input pin can be configured to ref-sync pairing mode.
+ */
+bool refsync_pin_id_valid(struct ice_hw *hw, u8 id)
+{
+ /* refsync is allowed only on pins 1 or 5 for E810T */
+ if (ice_is_e810t(hw) && id != 1 && id != 5)
+ return false;
+
+ return true;
+}
diff --git a/drivers/net/ice/base/ice_ptp_hw.h b/drivers/net/ice/base/ice_ptp_hw.h
index 7095c20209..c8f0e57cf1 100644
--- a/drivers/net/ice/base/ice_ptp_hw.h
+++ b/drivers/net/ice/base/ice_ptp_hw.h
@@ -142,6 +142,7 @@ ice_read_phy_tstamp(struct ice_hw *hw, u8 block, u8 idx, u64 *tstamp);
int
ice_clear_phy_tstamp(struct ice_hw *hw, u8 block, u8 idx);
int ice_ptp_init_phc(struct ice_hw *hw);
+bool refsync_pin_id_valid(struct ice_hw *hw, u8 id);
/* E822 family functions */
int
--
2.43.0