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qed: Add support for Timestamping the unicast PTP packets. 

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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sudarsana Reddy Kalluru 2019-07-02 23:01:59 -07:00 committed by David S. Miller
parent 3c13ce74b6
commit cedeac9df4
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/ethernet/qlogic/qed/qed_ptp.c
View File

@ -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);
}