diff options
Diffstat (limited to 'net/ipv6/ip6_output.c')
| -rw-r--r-- | net/ipv6/ip6_output.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 25a2647f9942..065b3f7614fb 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1118,6 +1118,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, int err; int offset = 0; int csummode = CHECKSUM_NONE; + __u8 tx_flags = 0; if (flags&MSG_PROBE) return 0; @@ -1202,6 +1203,13 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, } } + /* For UDP, check if TX timestamp is enabled */ + if (sk->sk_type == SOCK_DGRAM) { + err = sock_tx_timestamp(sk, &tx_flags); + if (err) + goto error; + } + /* * Let's try using as much space as possible. * Use MTU if total length of the message fits into the MTU. @@ -1306,6 +1314,12 @@ alloc_new_skb: sk->sk_allocation); if (unlikely(skb == NULL)) err = -ENOBUFS; + else { + /* Only the initial fragment + * is time stamped. + */ + tx_flags = 0; + } } if (skb == NULL) goto error; @@ -1317,6 +1331,9 @@ alloc_new_skb: /* reserve for fragmentation */ skb_reserve(skb, hh_len+sizeof(struct frag_hdr)); + if (sk->sk_type == SOCK_DGRAM) + skb_shinfo(skb)->tx_flags = tx_flags; + /* * Find where to start putting bytes */ |