diff options
| author | Asbjørn Sloth Tønnesen <asbjorn@asbjorn.st> | 2016-11-07 23:39:26 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-10 02:55:36 +0300 |
| commit | 97b7af097edb8b4d2456f16b75938cf119ed0c97 (patch) | |
| tree | dc11892dd761e400488885c5c7d6313ba4b383ff | |
| parent | 7ff516ffe4ec723aad824d68d8a23751330e8f19 (diff) | |
| download | linux-97b7af097edb8b4d2456f16b75938cf119ed0c97.tar.xz | |
net: l2tp: netlink: l2tp_nl_tunnel_send: set UDP6 checksum flags
This patch causes the proper attribute flags to be set,
in the case that IPv6 UDP checksums are disabled, so that
userspace ie. `ip l2tp show tunnel` knows about it.
Signed-off-by: Asbjoern Sloth Toennesen <asbjorn@asbjorn.st>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/l2tp/l2tp_netlink.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c index 2abd100b8395..494910d84602 100644 --- a/net/l2tp/l2tp_netlink.c +++ b/net/l2tp/l2tp_netlink.c @@ -384,6 +384,16 @@ static int l2tp_nl_tunnel_send(struct sk_buff *skb, u32 portid, u32 seq, int fla if (nla_put_u8(skb, L2TP_ATTR_UDP_CSUM, !sk->sk_no_check_tx)) goto nla_put_failure; break; +#if IS_ENABLED(CONFIG_IPV6) + case AF_INET6: + if (udp_get_no_check6_tx(sk) && + nla_put_flag(skb, L2TP_ATTR_UDP_ZERO_CSUM6_TX)) + goto nla_put_failure; + if (udp_get_no_check6_rx(sk) && + nla_put_flag(skb, L2TP_ATTR_UDP_ZERO_CSUM6_RX)) + goto nla_put_failure; + break; +#endif } if (nla_put_u16(skb, L2TP_ATTR_UDP_SPORT, ntohs(inet->inet_sport)) || nla_put_u16(skb, L2TP_ATTR_UDP_DPORT, ntohs(inet->inet_dport))) |