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synced 2024-08-23 01:10:04 +00:00
fec: Implement the SIOCGHWTSTAMP ioctl
This is untested. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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parent
7260899bde
commit
1d5244d0e4
3 changed files with 23 additions and 4 deletions
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@ -339,7 +339,8 @@ struct fec_enet_private {
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void fec_ptp_init(struct platform_device *pdev);
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void fec_ptp_start_cyclecounter(struct net_device *ndev);
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int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd);
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int fec_ptp_set(struct net_device *ndev, struct ifreq *ifr);
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int fec_ptp_get(struct net_device *ndev, struct ifreq *ifr);
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/****************************************************************************/
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#endif /* FEC_H */
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@ -1684,8 +1684,12 @@ static int fec_enet_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)
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if (!phydev)
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return -ENODEV;
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if (cmd == SIOCSHWTSTAMP && fep->bufdesc_ex)
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return fec_ptp_ioctl(ndev, rq, cmd);
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if (fep->bufdesc_ex) {
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if (cmd == SIOCSHWTSTAMP)
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return fec_ptp_set(ndev, rq);
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if (cmd == SIOCGHWTSTAMP)
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return fec_ptp_get(ndev, rq);
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}
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return phy_mii_ioctl(phydev, rq, cmd);
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}
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@ -274,7 +274,7 @@ static int fec_ptp_enable(struct ptp_clock_info *ptp,
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* @ifreq: ioctl data
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* @cmd: particular ioctl requested
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*/
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int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)
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int fec_ptp_set(struct net_device *ndev, struct ifreq *ifr)
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{
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struct fec_enet_private *fep = netdev_priv(ndev);
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@ -321,6 +321,20 @@ int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)
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-EFAULT : 0;
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}
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int fec_ptp_get(struct net_device *ndev, struct ifreq *ifr)
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{
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struct fec_enet_private *fep = netdev_priv(ndev);
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struct hwtstamp_config config;
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config.flags = 0;
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config.tx_type = fep->hwts_tx_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
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config.rx_filter = (fep->hwts_rx_en ?
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HWTSTAMP_FILTER_ALL : HWTSTAMP_FILTER_NONE);
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return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
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-EFAULT : 0;
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}
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/**
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* fec_time_keep - call timecounter_read every second to avoid timer overrun
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* because ENET just support 32bit counter, will timeout in 4s
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