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authorTom Herbert <therbert@google.com>2014-05-23 08:47:40 -0700
committerDavid S. Miller <davem@davemloft.net>2014-05-23 16:28:53 -0400
commit6b649feafe10b293f4bd5a74aca95faf625ae525 (patch)
tree842991b315c84e51fa4c2ececfba60e2992944b9 /net/l2tp/l2tp_netlink.c
parent1c19448c9ba6545b80ded18488a64a7f3d8e6998 (diff)
l2tp: Add support for zero IPv6 checksums
Added new L2TP configuration options to allow TX and RX of zero checksums in IPv6. Default is not to use them. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp/l2tp_netlink.c')
-rw-r--r--net/l2tp/l2tp_netlink.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c
index f3d331bdd706..0ac907adb2f4 100644
--- a/net/l2tp/l2tp_netlink.c
+++ b/net/l2tp/l2tp_netlink.c
@@ -161,6 +161,13 @@ static int l2tp_nl_cmd_tunnel_create(struct sk_buff *skb, struct genl_info *info
cfg.peer_udp_port = nla_get_u16(info->attrs[L2TP_ATTR_UDP_DPORT]);
if (info->attrs[L2TP_ATTR_UDP_CSUM])
cfg.use_udp_checksums = nla_get_flag(info->attrs[L2TP_ATTR_UDP_CSUM]);
+
+#if IS_ENABLED(CONFIG_IPV6)
+ if (info->attrs[L2TP_ATTR_UDP_ZERO_CSUM6_TX])
+ cfg.udp6_zero_tx_checksums = nla_get_flag(info->attrs[L2TP_ATTR_UDP_ZERO_CSUM6_TX]);
+ if (info->attrs[L2TP_ATTR_UDP_ZERO_CSUM6_RX])
+ cfg.udp6_zero_rx_checksums = nla_get_flag(info->attrs[L2TP_ATTR_UDP_ZERO_CSUM6_RX]);
+#endif
}
if (info->attrs[L2TP_ATTR_DEBUG])