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sfc: Implement the SIOCGHWTSTAMP ioctl 

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2013-11-14 01:26:21 +00:00
parent fd468c74bd
commit 433dc9b3d1
3 changed files with 15 additions and 3 deletions
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4
drivers/net/ethernet/sfc/efx.c
View File

@ -1857,7 +1857,9 @@ static int efx_ioctl(struct net_device *net_dev, struct ifreq *ifr, int cmd)
struct mii_ioctl_data *data = if_mii(ifr);
if (cmd == SIOCSHWTSTAMP)
return efx_ptp_ioctl(efx, ifr, cmd);
return efx_ptp_set_ts_config(efx, ifr);
if (cmd == SIOCGHWTSTAMP)
return efx_ptp_get_ts_config(efx, ifr);
/* Convert phy_id from older PRTAD/DEVAD format */
if ((cmd == SIOCGMIIREG || cmd == SIOCSMIIREG) &&

3
drivers/net/ethernet/sfc/nic.h
View File

@ -555,7 +555,8 @@ int efx_sriov_set_vf_spoofchk(struct net_device *net_dev, int vf,
struct ethtool_ts_info;
void efx_ptp_probe(struct efx_nic *efx);
int efx_ptp_ioctl(struct efx_nic *efx, struct ifreq *ifr, int cmd);
int efx_ptp_set_ts_config(struct efx_nic *efx, struct ifreq *ifr);
int efx_ptp_get_ts_config(struct efx_nic *efx, struct ifreq *ifr);
void efx_ptp_get_ts_info(struct efx_nic *efx, struct ethtool_ts_info *ts_info);
bool efx_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);
int efx_ptp_tx(struct efx_nic *efx, struct sk_buff *skb);

11
drivers/net/ethernet/sfc/ptp.c
View File

@ -1231,7 +1231,7 @@ void efx_ptp_get_ts_info(struct efx_nic *efx, struct ethtool_ts_info *ts_info)
1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
}
int efx_ptp_ioctl(struct efx_nic *efx, struct ifreq *ifr, int cmd)
int efx_ptp_set_ts_config(struct efx_nic *efx, struct ifreq *ifr)
{
struct hwtstamp_config config;
int rc;
@ -1251,6 +1251,15 @@ int efx_ptp_ioctl(struct efx_nic *efx, struct ifreq *ifr, int cmd)
? -EFAULT : 0;
}
int efx_ptp_get_ts_config(struct efx_nic *efx, struct ifreq *ifr)
{
if (!efx->ptp_data)
return -EOPNOTSUPP;
return copy_to_user(ifr->ifr_data, &efx->ptp_data->config,
sizeof(efx->ptp_data->config)) ? -EFAULT : 0;
}
static void ptp_event_failure(struct efx_nic *efx, int expected_frag_len)
{
struct efx_ptp_data *ptp = efx->ptp_data;