From cedeac9df4b8386bc96b589d91e4f40e0b4b441b Mon Sep 17 00:00:00 2001 From: Sudarsana Reddy Kalluru Date: Tue, 2 Jul 2019 23:01:59 -0700 Subject: [PATCH] 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 Signed-off-by: Ariel Elior Signed-off-by: David S. Miller --- 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 f3ebdc5e8f85..0dacf2c18c09 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); }