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can: kvaser_pciefd: Set hardware timestamp on transmitted packets

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[ Upstream commit ec681b91be ]

Set hardware timestamp on transmitted packets.

Fixes: 26ad340e58 ("can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices")
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Link: https://lore.kernel.org/all/20230529134248.752036-5-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jimmy Assarsson
2023-05-29 15:42:38 +02:00
committed by Greg Kroah-Hartman
parent 70ace9ba20
commit 12bcb53328
1 changed files with 10 additions and 2 deletions
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12
drivers/net/can/kvaser_pciefd.c
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@@ -1519,6 +1519,7 @@ static void kvaser_pciefd_handle_nack_packet(struct kvaser_pciefd_can *can,
if (skb) { if (skb) {
cf->can_id |= CAN_ERR_BUSERROR; cf->can_id |= CAN_ERR_BUSERROR;
kvaser_pciefd_set_skb_timestamp(can->kv_pcie, skb, p->timestamp);
netif_rx(skb); netif_rx(skb);
} else { } else {
stats->rx_dropped++; stats->rx_dropped++;
@@ -1550,8 +1551,15 @@ static int kvaser_pciefd_handle_ack_packet(struct kvaser_pciefd *pcie,
netdev_dbg(can->can.dev, "Packet was flushed\n"); netdev_dbg(can->can.dev, "Packet was flushed\n");
} else { } else {
int echo_idx = p->header[0] & KVASER_PCIEFD_PACKET_SEQ_MSK; int echo_idx = p->header[0] & KVASER_PCIEFD_PACKET_SEQ_MSK;
int dlc = can_get_echo_skb(can->can.dev, echo_idx, NULL); int dlc;
u8 count = ioread32(can->reg_base + u8 count;
struct sk_buff *skb;
skb = can->can.echo_skb[echo_idx];
if (skb)
kvaser_pciefd_set_skb_timestamp(pcie, skb, p->timestamp);
dlc = can_get_echo_skb(can->can.dev, echo_idx, NULL);
count = ioread32(can->reg_base +
KVASER_PCIEFD_KCAN_TX_NPACKETS_REG) & 0xff; KVASER_PCIEFD_KCAN_TX_NPACKETS_REG) & 0xff;
if (count < KVASER_PCIEFD_CAN_TX_MAX_COUNT && if (count < KVASER_PCIEFD_CAN_TX_MAX_COUNT &&