diff options
| -rw-r--r-- | net/core/pktgen.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index e3fa53a07d34..40db0b7e37ac 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2711,7 +2711,7 @@ static inline __be16 build_tci(unsigned int id, unsigned int cfi, static void pktgen_finalize_skb(struct pktgen_dev *pkt_dev, struct sk_buff *skb, int datalen) { - struct timeval timestamp; + struct timespec64 timestamp; struct pktgen_hdr *pgh; pgh = skb_put(skb, sizeof(*pgh)); @@ -2773,9 +2773,17 @@ static void pktgen_finalize_skb(struct pktgen_dev *pkt_dev, struct sk_buff *skb, pgh->tv_sec = 0; pgh->tv_usec = 0; } else { - do_gettimeofday(×tamp); + /* + * pgh->tv_sec wraps in y2106 when interpreted as unsigned + * as done by wireshark, or y2038 when interpreted as signed. + * This is probably harmless, but if anyone wants to improve + * it, we could introduce a variant that puts 64-bit nanoseconds + * into the respective header bytes. + * This would also be slightly faster to read. + */ + ktime_get_real_ts64(×tamp); pgh->tv_sec = htonl(timestamp.tv_sec); - pgh->tv_usec = htonl(timestamp.tv_usec); + pgh->tv_usec = htonl(timestamp.tv_nsec / NSEC_PER_USEC); } } |