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net: ethernet: ti: cpsw: minimize direct access to struct cpts

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This will provide more flexibility in changing CPTS internals and also
required for further changes.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Grygorii Strashko 2016-12-06 18:00:35 -06:00 committed by David S. Miller
parent c8395d4e1d
commit b63ba58ee9
2 changed files with 54 additions and 13 deletions
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28
drivers/net/ethernet/ti/cpsw.c
View File

@ -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;

39
drivers/net/ethernet/ti/cpts.h
View File

@ -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