Commit 1c7fe48a authored by Carolina Jubran's avatar Carolina Jubran Committed by Jakub Kicinski
Browse files

net/mlx5e: Convert to new hwtstamp_get/set interface



Migrate from the legacy ioctl hardware timestamping interface to the
ndo_hwtstamp_get/set operations.

Signed-off-by: default avatarCarolina Jubran <cjubran@nvidia.com>
Reviewed-by: default avatarCosmin Ratiu <cratiu@nvidia.com>
Signed-off-by: default avatarTariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1761819910-1011051-7-git-send-email-tariqt@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 250da3c8
Loading
Loading
Loading
Loading
+7 −4
Original line number Diff line number Diff line
@@ -696,7 +696,7 @@ struct mlx5e_rq {
	struct mlx5e_rq_stats *stats;
	struct mlx5e_cq        cq;
	struct mlx5e_cq_decomp cqd;
	struct hwtstamp_config *hwtstamp_config;
	struct kernel_hwtstamp_config *hwtstamp_config;
	struct mlx5_clock      *clock;
	struct mlx5e_icosq    *icosq;
	struct mlx5e_priv     *priv;
@@ -917,7 +917,7 @@ struct mlx5e_priv {
	u8                         max_opened_tc;
	bool                       tx_ptp_opened;
	bool                       rx_ptp_opened;
	struct hwtstamp_config     hwtstamp_config;
	struct kernel_hwtstamp_config hwtstamp_config;
	u16                        q_counter[MLX5_SD_MAX_GROUP_SZ];
	u16                        drop_rq_q_counter;
	struct notifier_block      events_nb;
@@ -1026,8 +1026,11 @@ void mlx5e_self_test(struct net_device *ndev, struct ethtool_test *etest,
		     u64 *buf);
void mlx5e_set_rx_mode_work(struct work_struct *work);

int mlx5e_hwtstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr);
int mlx5e_hwtstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr);
int mlx5e_hwtstamp_set(struct mlx5e_priv *priv,
		       struct kernel_hwtstamp_config *config,
		       struct netlink_ext_ack *extack);
int mlx5e_hwtstamp_get(struct mlx5e_priv *priv,
		       struct kernel_hwtstamp_config *config);
int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool val, bool rx_filter);

int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
+1 −1
Original line number Diff line number Diff line
@@ -92,7 +92,7 @@ int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget);
void mlx5e_free_rx_descs(struct mlx5e_rq *rq);
void mlx5e_free_rx_missing_descs(struct mlx5e_rq *rq);

static inline bool mlx5e_rx_hw_stamp(struct hwtstamp_config *config)
static inline bool mlx5e_rx_hw_stamp(struct kernel_hwtstamp_config *config)
{
	return config->rx_filter == HWTSTAMP_FILTER_ALL;
}
+31 −26
Original line number Diff line number Diff line
@@ -4740,22 +4740,23 @@ static int mlx5e_hwstamp_config_ptp_rx(struct mlx5e_priv *priv, bool ptp_rx)
					&new_params.ptp_rx, true);
}

int mlx5e_hwtstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr)
int mlx5e_hwtstamp_set(struct mlx5e_priv *priv,
		       struct kernel_hwtstamp_config *config,
		       struct netlink_ext_ack *extack)
{
	struct hwtstamp_config config;
	bool rx_cqe_compress_def;
	bool ptp_rx;
	int err;

	if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz) ||
	    (mlx5_clock_get_ptp_index(priv->mdev) == -1))
	    (mlx5_clock_get_ptp_index(priv->mdev) == -1)) {
		NL_SET_ERR_MSG_MOD(extack,
				   "Timestamps are not supported on this device");
		return -EOPNOTSUPP;

	if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
		return -EFAULT;
	}

	/* TX HW timestamp */
	switch (config.tx_type) {
	switch (config->tx_type) {
	case HWTSTAMP_TX_OFF:
	case HWTSTAMP_TX_ON:
		break;
@@ -4767,7 +4768,7 @@ int mlx5e_hwtstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr)
	rx_cqe_compress_def = priv->channels.params.rx_cqe_compress_def;

	/* RX HW timestamp */
	switch (config.rx_filter) {
	switch (config->rx_filter) {
	case HWTSTAMP_FILTER_NONE:
		ptp_rx = false;
		break;
@@ -4786,7 +4787,7 @@ int mlx5e_hwtstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr)
	case HWTSTAMP_FILTER_PTP_V2_SYNC:
	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
	case HWTSTAMP_FILTER_NTP_ALL:
		config.rx_filter = HWTSTAMP_FILTER_ALL;
		config->rx_filter = HWTSTAMP_FILTER_ALL;
		/* ptp_rx is set if both HW TS is set and CQE
		 * compression is set
		 */
@@ -4799,47 +4800,50 @@ int mlx5e_hwtstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr)

	if (!mlx5e_profile_feature_cap(priv->profile, PTP_RX))
		err = mlx5e_hwstamp_config_no_ptp_rx(priv,
						     config.rx_filter != HWTSTAMP_FILTER_NONE);
						     config->rx_filter != HWTSTAMP_FILTER_NONE);
	else
		err = mlx5e_hwstamp_config_ptp_rx(priv, ptp_rx);
	if (err)
		goto err_unlock;

	memcpy(&priv->hwtstamp_config, &config, sizeof(config));
	priv->hwtstamp_config = *config;
	mutex_unlock(&priv->state_lock);

	/* might need to fix some features */
	netdev_update_features(priv->netdev);

	return copy_to_user(ifr->ifr_data, &config,
			    sizeof(config)) ? -EFAULT : 0;
	return 0;
err_unlock:
	mutex_unlock(&priv->state_lock);
	return err;
}

int mlx5e_hwtstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr)
static int mlx5e_hwtstamp_set_ndo(struct net_device *netdev,
				  struct kernel_hwtstamp_config *config,
				  struct netlink_ext_ack *extack)
{
	struct hwtstamp_config *cfg = &priv->hwtstamp_config;
	struct mlx5e_priv *priv = netdev_priv(netdev);

	return mlx5e_hwtstamp_set(priv, config, extack);
}

int mlx5e_hwtstamp_get(struct mlx5e_priv *priv,
		       struct kernel_hwtstamp_config *config)
{
	if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz))
		return -EOPNOTSUPP;

	return copy_to_user(ifr->ifr_data, cfg, sizeof(*cfg)) ? -EFAULT : 0;
	*config = priv->hwtstamp_config;

	return 0;
}

static int mlx5e_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
static int mlx5e_hwtstamp_get_ndo(struct net_device *dev,
				  struct kernel_hwtstamp_config *config)
{
	struct mlx5e_priv *priv = netdev_priv(dev);

	switch (cmd) {
	case SIOCSHWTSTAMP:
		return mlx5e_hwtstamp_set(priv, ifr);
	case SIOCGHWTSTAMP:
		return mlx5e_hwtstamp_get(priv, ifr);
	default:
		return -EOPNOTSUPP;
	}
	return mlx5e_hwtstamp_get(priv, config);
}

#ifdef CONFIG_MLX5_ESWITCH
@@ -5280,13 +5284,14 @@ const struct net_device_ops mlx5e_netdev_ops = {
	.ndo_set_features        = mlx5e_set_features,
	.ndo_fix_features        = mlx5e_fix_features,
	.ndo_change_mtu          = mlx5e_change_nic_mtu,
	.ndo_eth_ioctl            = mlx5e_ioctl,
	.ndo_set_tx_maxrate      = mlx5e_set_tx_maxrate,
	.ndo_features_check      = mlx5e_features_check,
	.ndo_tx_timeout          = mlx5e_tx_timeout,
	.ndo_bpf		 = mlx5e_xdp,
	.ndo_xdp_xmit            = mlx5e_xdp_xmit,
	.ndo_xsk_wakeup          = mlx5e_xsk_wakeup,
	.ndo_hwtstamp_get        = mlx5e_hwtstamp_get_ndo,
	.ndo_hwtstamp_set        = mlx5e_hwtstamp_set_ndo,
#ifdef CONFIG_MLX5_EN_ARFS
	.ndo_rx_flow_steer	 = mlx5e_rx_flow_steer,
#endif
+19 −15
Original line number Diff line number Diff line
@@ -45,6 +45,23 @@ static int mlx5i_open(struct net_device *netdev);
static int mlx5i_close(struct net_device *netdev);
static int mlx5i_change_mtu(struct net_device *netdev, int new_mtu);

int mlx5i_hwtstamp_set(struct net_device *dev,
		       struct kernel_hwtstamp_config *config,
		       struct netlink_ext_ack *extack)
{
	struct mlx5e_priv *epriv = mlx5i_epriv(dev);

	return mlx5e_hwtstamp_set(epriv, config, extack);
}

int mlx5i_hwtstamp_get(struct net_device *dev,
		       struct kernel_hwtstamp_config *config)
{
	struct mlx5e_priv *epriv = mlx5i_epriv(dev);

	return mlx5e_hwtstamp_get(epriv, config);
}

static const struct net_device_ops mlx5i_netdev_ops = {
	.ndo_open                = mlx5i_open,
	.ndo_stop                = mlx5i_close,
@@ -52,7 +69,8 @@ static const struct net_device_ops mlx5i_netdev_ops = {
	.ndo_init                = mlx5i_dev_init,
	.ndo_uninit              = mlx5i_dev_cleanup,
	.ndo_change_mtu          = mlx5i_change_mtu,
	.ndo_eth_ioctl            = mlx5i_ioctl,
	.ndo_hwtstamp_get        = mlx5i_hwtstamp_get,
	.ndo_hwtstamp_set        = mlx5i_hwtstamp_set,
};

/* IPoIB mlx5 netdev profile */
@@ -557,20 +575,6 @@ int mlx5i_dev_init(struct net_device *dev)
	return 0;
}

int mlx5i_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
	struct mlx5e_priv *priv = mlx5i_epriv(dev);

	switch (cmd) {
	case SIOCSHWTSTAMP:
		return mlx5e_hwtstamp_set(priv, ifr);
	case SIOCGHWTSTAMP:
		return mlx5e_hwtstamp_get(priv, ifr);
	default:
		return -EOPNOTSUPP;
	}
}

void mlx5i_dev_cleanup(struct net_device *dev)
{
	struct mlx5e_priv    *priv   = mlx5i_epriv(dev);
+5 −1
Original line number Diff line number Diff line
@@ -88,7 +88,11 @@ struct net_device *mlx5i_pkey_get_netdev(struct net_device *netdev, u32 qpn);
/* Shared ndo functions */
int mlx5i_dev_init(struct net_device *dev);
void mlx5i_dev_cleanup(struct net_device *dev);
int mlx5i_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
int mlx5i_hwtstamp_set(struct net_device *dev,
		       struct kernel_hwtstamp_config *config,
		       struct netlink_ext_ack *extack);
int mlx5i_hwtstamp_get(struct net_device *dev,
		       struct kernel_hwtstamp_config *config);

/* Parent profile functions */
int mlx5i_init(struct mlx5_core_dev *mdev, struct net_device *netdev);
Loading