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Commit 433dc9b3 authored by Ben Hutchings's avatar Ben Hutchings
Browse files

sfc: Implement the SIOCGHWTSTAMP ioctl 



Signed-off-by: default avatarBen Hutchings <bhutchings@solarflare.com>
parent fd468c74

drivers/net/ethernet/sfc/efx.c

+3 −1
Original line number Diff line number Diff line
@@ -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) &&

drivers/net/ethernet/sfc/nic.h

+2 −1
Original line number Diff line number Diff line
@@ -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);

drivers/net/ethernet/sfc/ptp.c

+10 −1
Original line number Diff line number Diff line
@@ -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;