[PATCH net-next v2 1/1] qed: Add support for Timestamping the unicast PTP packets.

[PATCH net-next v2 1/1] qed: Add support for Timestamping the unicast PTP packets.

[Sudarsana Reddy Kalluru]

This patch adds driver changes to detect/timestamp the unicast PTP packets.

Changes from previous version:
-------------------------------
v2: Defined a macro for unicast ptp param mask.

Please consider applying this to "net-next".

Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
---
 drivers/net/ethernet/qlogic/qed/qed_ptp.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qed/qed_ptp.c b/drivers/net/ethernet/qlogic/qed/qed_ptp.c
index f3ebdc5..0dacf2c 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_ptp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ptp.c
@@ -44,6 +44,8 @@
 /* Add/subtract the Adjustment_Value when making a Drift adjustment */
 #define QED_DRIFT_CNTR_DIRECTION_SHIFT		31
 #define QED_TIMESTAMP_MASK			BIT(16)
+/* Param mask for Hardware to detect/timestamp the unicast PTP packets */
+#define QED_PTP_UCAST_PARAM_MASK		0xF
 
 static enum qed_resc_lock qed_ptcdev_to_resc(struct qed_hwfn *p_hwfn)
 {
@@ -243,7 +245,8 @@ static int qed_ptp_hw_cfg_filters(struct qed_dev *cdev,
 		return -EINVAL;
 	}
 
-	qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_PTP_PARAM_MASK, 0);
+	qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_PTP_PARAM_MASK,
+	       QED_PTP_UCAST_PARAM_MASK);
 	qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_PTP_RULE_MASK, rule_mask);
 	qed_wr(p_hwfn, p_ptt, NIG_REG_RX_PTP_EN, enable_cfg);
 
@@ -253,7 +256,8 @@ static int qed_ptp_hw_cfg_filters(struct qed_dev *cdev,
 		qed_wr(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_RULE_MASK, 0x3FFF);
 	} else {
 		qed_wr(p_hwfn, p_ptt, NIG_REG_TX_PTP_EN, enable_cfg);
-		qed_wr(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_PARAM_MASK, 0);
+		qed_wr(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_PARAM_MASK,
+		       QED_PTP_UCAST_PARAM_MASK);
 		qed_wr(p_hwfn, p_ptt, NIG_REG_TX_LLH_PTP_RULE_MASK, rule_mask);
 	}
 
-- 
1.8.3.1

Re: [PATCH net-next v2 1/1] qed: Add support for Timestamping the unicast PTP packets.

[David Miller]

From: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Date: Tue, 2 Jul 2019 23:01:59 -0700

> This patch adds driver changes to detect/timestamp the unicast PTP packets.
> 
> Changes from previous version:
> -------------------------------
> v2: Defined a macro for unicast ptp param mask.
> 
> Please consider applying this to "net-next".
> 
> Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
> Signed-off-by: Ariel Elior <aelior@marvell.com>

Applied.