diff options
Diffstat (limited to 'drivers/net/phy/mscc')
| -rw-r--r-- | drivers/net/phy/mscc/mscc.h | 12 | ||||
| -rw-r--r-- | drivers/net/phy/mscc/mscc_main.c | 12 | ||||
| -rw-r--r-- | drivers/net/phy/mscc/mscc_ptp.c | 49 |
3 files changed, 61 insertions, 12 deletions
diff --git a/drivers/net/phy/mscc/mscc.h b/drivers/net/phy/mscc/mscc.h index 6a3d8a754eb8..58c6d47fbe04 100644 --- a/drivers/net/phy/mscc/mscc.h +++ b/drivers/net/phy/mscc/mscc.h @@ -362,6 +362,13 @@ struct vsc85xx_hw_stat { u16 mask; }; +struct vsc8531_skb_cb { + u32 ns; +}; + +#define VSC8531_SKB_CB(skb) \ + ((struct vsc8531_skb_cb *)((skb)->cb)) + struct vsc8531_private { int rate_magic; u16 supp_led_modes; @@ -410,6 +417,11 @@ struct vsc8531_private { */ struct mutex ts_lock; struct mutex phc_lock; + + /* list of skbs that were received and need timestamp information but it + * didn't received it yet + */ + struct sk_buff_head rx_skbs_list; }; /* Shared structure between the PHYs of the same package. diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_main.c index 7ed6522fb0ef..f1c9ce351ab4 100644 --- a/drivers/net/phy/mscc/mscc_main.c +++ b/drivers/net/phy/mscc/mscc_main.c @@ -2335,6 +2335,13 @@ static int vsc85xx_probe(struct phy_device *phydev) return vsc85xx_dt_led_modes_get(phydev, default_mode); } +static void vsc85xx_remove(struct phy_device *phydev) +{ + struct vsc8531_private *priv = phydev->priv; + + skb_queue_purge(&priv->rx_skbs_list); +} + /* Microsemi VSC85xx PHYs */ static struct phy_driver vsc85xx_driver[] = { { @@ -2589,6 +2596,7 @@ static struct phy_driver vsc85xx_driver[] = { .config_intr = &vsc85xx_config_intr, .suspend = &genphy_suspend, .resume = &genphy_resume, + .remove = &vsc85xx_remove, .probe = &vsc8574_probe, .set_wol = &vsc85xx_wol_set, .get_wol = &vsc85xx_wol_get, @@ -2614,6 +2622,7 @@ static struct phy_driver vsc85xx_driver[] = { .config_intr = &vsc85xx_config_intr, .suspend = &genphy_suspend, .resume = &genphy_resume, + .remove = &vsc85xx_remove, .probe = &vsc8574_probe, .set_wol = &vsc85xx_wol_set, .get_wol = &vsc85xx_wol_get, @@ -2639,6 +2648,7 @@ static struct phy_driver vsc85xx_driver[] = { .config_intr = &vsc85xx_config_intr, .suspend = &genphy_suspend, .resume = &genphy_resume, + .remove = &vsc85xx_remove, .probe = &vsc8584_probe, .get_tunable = &vsc85xx_get_tunable, .set_tunable = &vsc85xx_set_tunable, @@ -2662,6 +2672,7 @@ static struct phy_driver vsc85xx_driver[] = { .config_intr = &vsc85xx_config_intr, .suspend = &genphy_suspend, .resume = &genphy_resume, + .remove = &vsc85xx_remove, .probe = &vsc8584_probe, .get_tunable = &vsc85xx_get_tunable, .set_tunable = &vsc85xx_set_tunable, @@ -2685,6 +2696,7 @@ static struct phy_driver vsc85xx_driver[] = { .config_intr = &vsc85xx_config_intr, .suspend = &genphy_suspend, .resume = &genphy_resume, + .remove = &vsc85xx_remove, .probe = &vsc8584_probe, .get_tunable = &vsc85xx_get_tunable, .set_tunable = &vsc85xx_set_tunable, diff --git a/drivers/net/phy/mscc/mscc_ptp.c b/drivers/net/phy/mscc/mscc_ptp.c index 275706de5847..de6c7312e8f2 100644 --- a/drivers/net/phy/mscc/mscc_ptp.c +++ b/drivers/net/phy/mscc/mscc_ptp.c @@ -1194,9 +1194,7 @@ static bool vsc85xx_rxtstamp(struct mii_timestamper *mii_ts, { struct vsc8531_private *vsc8531 = container_of(mii_ts, struct vsc8531_private, mii_ts); - struct skb_shared_hwtstamps *shhwtstamps = NULL; struct vsc85xx_ptphdr *ptphdr; - struct timespec64 ts; unsigned long ns; if (!vsc8531->ptp->configured) @@ -1206,27 +1204,52 @@ static bool vsc85xx_rxtstamp(struct mii_timestamper *mii_ts, type == PTP_CLASS_NONE) return false; - vsc85xx_gettime(&vsc8531->ptp->caps, &ts); - ptphdr = get_ptp_header_rx(skb, vsc8531->ptp->rx_filter); if (!ptphdr) return false; - shhwtstamps = skb_hwtstamps(skb); - memset(shhwtstamps, 0, sizeof(struct skb_shared_hwtstamps)); - ns = ntohl(ptphdr->rsrvd2); - /* nsec is in reserved field */ - if (ts.tv_nsec < ns) - ts.tv_sec--; + VSC8531_SKB_CB(skb)->ns = ns; + skb_queue_tail(&vsc8531->rx_skbs_list, skb); - shhwtstamps->hwtstamp = ktime_set(ts.tv_sec, ns); - netif_rx(skb); + ptp_schedule_worker(vsc8531->ptp->ptp_clock, 0); return true; } +static long vsc85xx_do_aux_work(struct ptp_clock_info *info) +{ + struct vsc85xx_ptp *ptp = container_of(info, struct vsc85xx_ptp, caps); + struct skb_shared_hwtstamps *shhwtstamps = NULL; + struct phy_device *phydev = ptp->phydev; + struct vsc8531_private *priv = phydev->priv; + struct sk_buff_head received; + struct sk_buff *rx_skb; + struct timespec64 ts; + unsigned long flags; + + __skb_queue_head_init(&received); + spin_lock_irqsave(&priv->rx_skbs_list.lock, flags); + skb_queue_splice_tail_init(&priv->rx_skbs_list, &received); + spin_unlock_irqrestore(&priv->rx_skbs_list.lock, flags); + + vsc85xx_gettime(info, &ts); + while ((rx_skb = __skb_dequeue(&received)) != NULL) { + shhwtstamps = skb_hwtstamps(rx_skb); + memset(shhwtstamps, 0, sizeof(struct skb_shared_hwtstamps)); + + if (ts.tv_nsec < VSC8531_SKB_CB(rx_skb)->ns) + ts.tv_sec--; + + shhwtstamps->hwtstamp = ktime_set(ts.tv_sec, + VSC8531_SKB_CB(rx_skb)->ns); + netif_rx(rx_skb); + } + + return -1; +} + static const struct ptp_clock_info vsc85xx_clk_caps = { .owner = THIS_MODULE, .name = "VSC85xx timer", @@ -1240,6 +1263,7 @@ static const struct ptp_clock_info vsc85xx_clk_caps = { .adjfine = &vsc85xx_adjfine, .gettime64 = &vsc85xx_gettime, .settime64 = &vsc85xx_settime, + .do_aux_work = &vsc85xx_do_aux_work, }; static struct vsc8531_private *vsc8584_base_priv(struct phy_device *phydev) @@ -1567,6 +1591,7 @@ int vsc8584_ptp_probe(struct phy_device *phydev) mutex_init(&vsc8531->phc_lock); mutex_init(&vsc8531->ts_lock); + skb_queue_head_init(&vsc8531->rx_skbs_list); /* Retrieve the shared load/save GPIO. Request it as non exclusive as * the same GPIO can be requested by all the PHYs of the same package. |