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Simple PCIe FMC carrier SPEC - Software
Commit c246c3ce authored by Alessandro Rubini's avatar Alessandro Rubini
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kernel/wr_nic: fix rx timestamps 

Signed-off-by: Alessandro Rubini's avatarAlessandro Rubini <rubini@gnudd.com>
parent ab3f2f8d
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Showing with 10 additions and 6 deletions
kernel/wr_nic/nic-core.c
View file @ c246c3ce
......@@ -379,9 +379,9 @@ static void __wrn_rx_descriptor(struct wrn_dev *wrn, int desc)
/* RX timestamping part */
//wrn_ppsg_read_time(wrn, &counter_ppsg, &utc);
wrn_ppsg_read_time(wrn, &counter_ppsg, &utc);
if(counter_ppsg < REFCLK_FREQ/4 && ts_r > 3*REFCLK_FREQ/4)
if (counter_ppsg < ts_r)
utc--;
ts.tv_sec = (s32)utc & 0x7fffffff;
......@@ -396,13 +396,17 @@ static void __wrn_rx_descriptor(struct wrn_dev *wrn, int desc)
ts.tv_nsec & 0x7fffffff,
ts.tv_sec & 0x80000000 ? 1 :0);
/* If the timestamp was reported as incorrect, pass 0 instead */
if (! (r1 & NIC_RX1_D1_TS_INCORRECT)) /* FIXME: bit name possibly? */
{
if (1) {
/* SPEC: don't do the strange stuff for wr-ptp */
ts.tv_sec &= ~0x80000000;
ts.tv_nsec &= 0x7fffffff;
}
if (! (r1 & NIC_RX1_D1_TS_INCORRECT)) {
hwts = skb_hwtstamps(skb);
hwts->hwtstamp = timespec_to_ktime(ts);
}
skb->protocol = eth_type_trans(skb, dev);
skb->ip_summed = CHECKSUM_UNNECESSARY;
dev->last_rx = jiffies;
......
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