diff mbox

[v5,03/13] net: ethernet: ti: cpsw: minimize direct access to struct cpts

Message ID 20161207000045.28333-4-grygorii.strashko@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Grygorii Strashko Dec. 7, 2016, midnight UTC
This will provide more flexibility in changing CPTS internals and also
required for further changes.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
 drivers/net/ethernet/ti/cpsw.c | 28 +++++++++++++++-------------
 drivers/net/ethernet/ti/cpts.h | 39 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+), 13 deletions(-)
diff mbox

Patch

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 8fdb274..7599895 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1562,7 +1562,7 @@  static netdev_tx_t cpsw_ndo_start_xmit(struct sk_buff *skb,
 	}
 
 	if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP &&
-				cpsw->cpts->tx_enable)
+	    cpts_is_tx_enabled(cpsw->cpts))
 		skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
 
 	skb_tx_timestamp(skb);
@@ -1601,7 +1601,8 @@  static void cpsw_hwtstamp_v1(struct cpsw_common *cpsw)
 	struct cpsw_slave *slave = &cpsw->slaves[cpsw->data.active_slave];
 	u32 ts_en, seq_id;
 
-	if (!cpsw->cpts->tx_enable && !cpsw->cpts->rx_enable) {
+	if (!cpts_is_tx_enabled(cpsw->cpts) &&
+	    !cpts_is_rx_enabled(cpsw->cpts)) {
 		slave_write(slave, 0, CPSW1_TS_CTL);
 		return;
 	}
@@ -1609,10 +1610,10 @@  static void cpsw_hwtstamp_v1(struct cpsw_common *cpsw)
 	seq_id = (30 << CPSW_V1_SEQ_ID_OFS_SHIFT) | ETH_P_1588;
 	ts_en = EVENT_MSG_BITS << CPSW_V1_MSG_TYPE_OFS;
 
-	if (cpsw->cpts->tx_enable)
+	if (cpts_is_tx_enabled(cpsw->cpts))
 		ts_en |= CPSW_V1_TS_TX_EN;
 
-	if (cpsw->cpts->rx_enable)
+	if (cpts_is_rx_enabled(cpsw->cpts))
 		ts_en |= CPSW_V1_TS_RX_EN;
 
 	slave_write(slave, ts_en, CPSW1_TS_CTL);
@@ -1635,20 +1636,20 @@  static void cpsw_hwtstamp_v2(struct cpsw_priv *priv)
 	case CPSW_VERSION_2:
 		ctrl &= ~CTRL_V2_ALL_TS_MASK;
 
-		if (cpsw->cpts->tx_enable)
+		if (cpts_is_tx_enabled(cpsw->cpts))
 			ctrl |= CTRL_V2_TX_TS_BITS;
 
-		if (cpsw->cpts->rx_enable)
+		if (cpts_is_rx_enabled(cpsw->cpts))
 			ctrl |= CTRL_V2_RX_TS_BITS;
 		break;
 	case CPSW_VERSION_3:
 	default:
 		ctrl &= ~CTRL_V3_ALL_TS_MASK;
 
-		if (cpsw->cpts->tx_enable)
+		if (cpts_is_tx_enabled(cpsw->cpts))
 			ctrl |= CTRL_V3_TX_TS_BITS;
 
-		if (cpsw->cpts->rx_enable)
+		if (cpts_is_rx_enabled(cpsw->cpts))
 			ctrl |= CTRL_V3_RX_TS_BITS;
 		break;
 	}
@@ -1684,7 +1685,7 @@  static int cpsw_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
 
 	switch (cfg.rx_filter) {
 	case HWTSTAMP_FILTER_NONE:
-		cpts->rx_enable = 0;
+		cpts_rx_enable(cpts, 0);
 		break;
 	case HWTSTAMP_FILTER_ALL:
 	case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
@@ -1700,14 +1701,14 @@  static int cpsw_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
 	case HWTSTAMP_FILTER_PTP_V2_EVENT:
 	case HWTSTAMP_FILTER_PTP_V2_SYNC:
 	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
-		cpts->rx_enable = 1;
+		cpts_rx_enable(cpts, 1);
 		cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
 		break;
 	default:
 		return -ERANGE;
 	}
 
-	cpts->tx_enable = cfg.tx_type == HWTSTAMP_TX_ON;
+	cpts_tx_enable(cpts, cfg.tx_type == HWTSTAMP_TX_ON);
 
 	switch (cpsw->version) {
 	case CPSW_VERSION_1:
@@ -1736,8 +1737,9 @@  static int cpsw_hwtstamp_get(struct net_device *dev, struct ifreq *ifr)
 		return -EOPNOTSUPP;
 
 	cfg.flags = 0;
-	cfg.tx_type = cpts->tx_enable ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
-	cfg.rx_filter = (cpts->rx_enable ?
+	cfg.tx_type = cpts_is_tx_enabled(cpts) ?
+		      HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
+	cfg.rx_filter = (cpts_is_rx_enabled(cpts) ?
 			 HWTSTAMP_FILTER_PTP_V2_EVENT : HWTSTAMP_FILTER_NONE);
 
 	return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
diff --git a/drivers/net/ethernet/ti/cpts.h b/drivers/net/ethernet/ti/cpts.h
index 416ba2c..29a1e80c 100644
--- a/drivers/net/ethernet/ti/cpts.h
+++ b/drivers/net/ethernet/ti/cpts.h
@@ -132,6 +132,27 @@  void cpts_rx_timestamp(struct cpts *cpts, struct sk_buff *skb);
 void cpts_tx_timestamp(struct cpts *cpts, struct sk_buff *skb);
 int cpts_register(struct device *dev, struct cpts *cpts, u32 mult, u32 shift);
 void cpts_unregister(struct cpts *cpts);
+
+static inline void cpts_rx_enable(struct cpts *cpts, int enable)
+{
+	cpts->rx_enable = enable;
+}
+
+static inline bool cpts_is_rx_enabled(struct cpts *cpts)
+{
+	return !!cpts->rx_enable;
+}
+
+static inline void cpts_tx_enable(struct cpts *cpts, int enable)
+{
+	cpts->tx_enable = enable;
+}
+
+static inline bool cpts_is_tx_enabled(struct cpts *cpts)
+{
+	return !!cpts->tx_enable;
+}
+
 #else
 static inline void cpts_rx_timestamp(struct cpts *cpts, struct sk_buff *skb)
 {
@@ -149,6 +170,24 @@  cpts_register(struct device *dev, struct cpts *cpts, u32 mult, u32 shift)
 static inline void cpts_unregister(struct cpts *cpts)
 {
 }
+
+static inline void cpts_rx_enable(struct cpts *cpts, int enable)
+{
+}
+
+static inline bool cpts_is_rx_enabled(struct cpts *cpts)
+{
+	return false;
+}
+
+static inline void cpts_tx_enable(struct cpts *cpts, int enable)
+{
+}
+
+static inline bool cpts_is_tx_enabled(struct cpts *cpts)
+{
+	return false;
+}
 #endif