From: Jimmy Assarsson <extja@xxxxxxxxxx> [ Upstream commit 2d55e9f9b4427e1ad59b974f2267767aac3788d3 ] Add new function, kvaser_pciefd_set_skb_timestamp(), to set skb hwtstamps. Signed-off-by: Jimmy Assarsson <extja@xxxxxxxxxx> Reviewed-by: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx> Link: https://lore.kernel.org/all/20230529134248.752036-4-extja@xxxxxxxxxx Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> Stable-dep-of: ec681b91befa ("can: kvaser_pciefd: Set hardware timestamp on transmitted packets") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/net/can/kvaser_pciefd.c | 27 ++++++++++----------------- 1 file changed, 10 insertions(+), 17 deletions(-) diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c index 956a4a57396f9..0b537292c7b19 100644 --- a/drivers/net/can/kvaser_pciefd.c +++ b/drivers/net/can/kvaser_pciefd.c @@ -538,6 +538,13 @@ static int kvaser_pciefd_set_tx_irq(struct kvaser_pciefd_can *can) return 0; } +static inline void kvaser_pciefd_set_skb_timestamp(const struct kvaser_pciefd *pcie, + struct sk_buff *skb, u64 timestamp) +{ + skb_hwtstamps(skb)->hwtstamp = + ns_to_ktime(div_u64(timestamp * 1000, pcie->freq_to_ticks_div)); +} + static void kvaser_pciefd_setup_controller(struct kvaser_pciefd_can *can) { u32 mode; @@ -1171,7 +1178,6 @@ static int kvaser_pciefd_handle_data_packet(struct kvaser_pciefd *pcie, struct canfd_frame *cf; struct can_priv *priv; struct net_device_stats *stats; - struct skb_shared_hwtstamps *shhwtstamps; u8 ch_id = (p->header[1] >> KVASER_PCIEFD_PACKET_CHID_SHIFT) & 0x7; if (ch_id >= pcie->nr_channels) @@ -1214,12 +1220,7 @@ static int kvaser_pciefd_handle_data_packet(struct kvaser_pciefd *pcie, stats->rx_bytes += cf->len; } stats->rx_packets++; - - shhwtstamps = skb_hwtstamps(skb); - - shhwtstamps->hwtstamp = - ns_to_ktime(div_u64(p->timestamp * 1000, - pcie->freq_to_ticks_div)); + kvaser_pciefd_set_skb_timestamp(pcie, skb, p->timestamp); return netif_rx(skb); } @@ -1282,7 +1283,6 @@ static int kvaser_pciefd_rx_error_frame(struct kvaser_pciefd_can *can, struct net_device *ndev = can->can.dev; struct sk_buff *skb; struct can_frame *cf = NULL; - struct skb_shared_hwtstamps *shhwtstamps; struct net_device_stats *stats = &ndev->stats; old_state = can->can.state; @@ -1323,10 +1323,7 @@ static int kvaser_pciefd_rx_error_frame(struct kvaser_pciefd_can *can, return -ENOMEM; } - shhwtstamps = skb_hwtstamps(skb); - shhwtstamps->hwtstamp = - ns_to_ktime(div_u64(p->timestamp * 1000, - can->kv_pcie->freq_to_ticks_div)); + kvaser_pciefd_set_skb_timestamp(can->kv_pcie, skb, p->timestamp); cf->can_id |= CAN_ERR_BUSERROR | CAN_ERR_CNT; cf->data[6] = bec.txerr; @@ -1374,7 +1371,6 @@ static int kvaser_pciefd_handle_status_resp(struct kvaser_pciefd_can *can, struct net_device *ndev = can->can.dev; struct sk_buff *skb; struct can_frame *cf; - struct skb_shared_hwtstamps *shhwtstamps; skb = alloc_can_err_skb(ndev, &cf); if (!skb) { @@ -1394,10 +1390,7 @@ static int kvaser_pciefd_handle_status_resp(struct kvaser_pciefd_can *can, cf->can_id |= CAN_ERR_RESTARTED; } - shhwtstamps = skb_hwtstamps(skb); - shhwtstamps->hwtstamp = - ns_to_ktime(div_u64(p->timestamp * 1000, - can->kv_pcie->freq_to_ticks_div)); + kvaser_pciefd_set_skb_timestamp(can->kv_pcie, skb, p->timestamp); cf->data[6] = bec.txerr; cf->data[7] = bec.rxerr; -- 2.39.2
