diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 06b3e2c1fcdc..9763464a75d7 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -224,6 +224,11 @@ struct sk_buff *__udp_gso_segment(struct sk_buff *gso_skb, seg = segs; uh = udp_hdr(seg); + /* preserve TX timestamp flags and TS key for first segment */ + skb_shinfo(seg)->tskey = skb_shinfo(gso_skb)->tskey; + skb_shinfo(seg)->tx_flags |= + (skb_shinfo(gso_skb)->tx_flags & SKBTX_ANY_TSTAMP); + /* compute checksum adjustment based on old length versus new */ newlen = htons(sizeof(*uh) + mss); check = csum16_add(csum16_sub(uh->check, uh->len), newlen);