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Commit 1d5244d0 authored by Ben Hutchings's avatar Ben Hutchings
Browse files

fec: Implement the SIOCGHWTSTAMP ioctl 



This is untested.

Signed-off-by: default avatarBen Hutchings <bhutchings@solarflare.com>
parent 7260899b

drivers/net/ethernet/freescale/fec.h

+2 −1
Original line number Diff line number Diff line
@@ -339,7 +339,8 @@ struct fec_enet_private { 


void fec_ptp_init(struct platform_device *pdev);

void fec_ptp_start_cyclecounter(struct net_device *ndev);

int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd);

int fec_ptp_set(struct net_device *ndev, struct ifreq *ifr);

int fec_ptp_get(struct net_device *ndev, struct ifreq *ifr);



/****************************************************************************/

#endif /* FEC_H */

drivers/net/ethernet/freescale/fec_main.c

+6 −2
Original line number Diff line number Diff line
@@ -1684,8 +1684,12 @@ static int fec_enet_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd) 
	if (!phydev)

		return -ENODEV;



	if (cmd == SIOCSHWTSTAMP && fep->bufdesc_ex)

		return fec_ptp_ioctl(ndev, rq, cmd);

	if (fep->bufdesc_ex) {

		if (cmd == SIOCSHWTSTAMP)

			return fec_ptp_set(ndev, rq);

		if (cmd == SIOCGHWTSTAMP)

			return fec_ptp_get(ndev, rq);

	}



	return phy_mii_ioctl(phydev, rq, cmd);

}

drivers/net/ethernet/freescale/fec_ptp.c

+15 −1
Original line number Diff line number Diff line
@@ -274,7 +274,7 @@ static int fec_ptp_enable(struct ptp_clock_info *ptp, 
 * @ifreq: ioctl data

 * @cmd: particular ioctl requested

 */

int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)

int fec_ptp_set(struct net_device *ndev, struct ifreq *ifr)

{

	struct fec_enet_private *fep = netdev_priv(ndev);
@@ -321,6 +321,20 @@ int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd) 
	    -EFAULT : 0;

}



int fec_ptp_get(struct net_device *ndev, struct ifreq *ifr)

{

	struct fec_enet_private *fep = netdev_priv(ndev);

	struct hwtstamp_config config;



	config.flags = 0;

	config.tx_type = fep->hwts_tx_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;

	config.rx_filter = (fep->hwts_rx_en ?

			    HWTSTAMP_FILTER_ALL : HWTSTAMP_FILTER_NONE);



	return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?

		-EFAULT : 0;

}



/**

 * fec_time_keep - call timecounter_read every second to avoid timer overrun

 *                 because ENET just support 32bit counter, will timeout in 4s