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tg3: Implement the SIOCGHWTSTAMP ioctl 

While we're doing this, fix the error code for SIOCSHWTSTAMP ioctl on
non-timestamping hardware.

Compile-tested only.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2013-11-18 22:59:43 +00:00
Родитель 7575c917cf
Коммит 7260899bde
1 изменённых файлов: 67 добавлений и 4 удалений
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71
drivers/net/ethernet/broadcom/tg3.c
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@ -13603,14 +13603,13 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
}
static int tg3_hwtstamp_ioctl(struct net_device *dev,
struct ifreq *ifr, int cmd)
static int tg3_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
{
struct tg3 *tp = netdev_priv(dev);
struct hwtstamp_config stmpconf;
if (!tg3_flag(tp, PTP_CAPABLE))
return -EINVAL;
return -EOPNOTSUPP;
if (copy_from_user(&stmpconf, ifr->ifr_data, sizeof(stmpconf)))
return -EFAULT;
@ -13691,6 +13690,67 @@ static int tg3_hwtstamp_ioctl(struct net_device *dev,
-EFAULT : 0;
}
static int tg3_hwtstamp_get(struct net_device *dev, struct ifreq *ifr)
{
struct tg3 *tp = netdev_priv(dev);
struct hwtstamp_config stmpconf;
if (!tg3_flag(tp, PTP_CAPABLE))
return -EOPNOTSUPP;
stmpconf.flags = 0;
stmpconf.tx_type = (tg3_flag(tp, TX_TSTAMP_EN) ?
HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF);
switch (tp->rxptpctl) {
case 0:
stmpconf.rx_filter = HWTSTAMP_FILTER_NONE;
break;
case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_ALL_V1_EVENTS:
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
break;
case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_SYNC_EVNT:
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_SYNC;
break;
case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_DELAY_REQ:
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ;
break;
case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS:
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
break;
case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS:
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
break;
case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS:
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
break;
case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_SYNC_EVNT:
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_SYNC;
break;
case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_SYNC_EVNT:
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_SYNC;
break;
case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_SYNC_EVNT:
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_SYNC;
break;
case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_DELAY_REQ:
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_DELAY_REQ;
break;
case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_DELAY_REQ:
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ;
break;
case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_DELAY_REQ:
stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ;
break;
default:
WARN_ON_ONCE(1);
return -ERANGE;
}
return copy_to_user(ifr->ifr_data, &stmpconf, sizeof(stmpconf)) ?
-EFAULT : 0;
}
static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
struct mii_ioctl_data *data = if_mii(ifr);
@ -13744,7 +13804,10 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
return err;
case SIOCSHWTSTAMP:
return tg3_hwtstamp_ioctl(dev, ifr, cmd);
return tg3_hwtstamp_set(dev, ifr);
case SIOCGHWTSTAMP:
return tg3_hwtstamp_get(dev, ifr);
default:
/* do nothing */