[PATCH v8 3/3] geneve: add IPv6 bits to geneve_fill_metadata_dst
From: John W. Linville <hidden>
Date: 2015-10-27 13:50:31
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: John W. Linville <redacted>
---
v7 -- initial version (numbered to match earlier patches in series)
v8 -- fixup of bracing on an "else { return -EINVAL; }"
drivers/net/geneve.c | 29 ++++++++++++++++++++++-------
1 file changed, 22 insertions(+), 7 deletions(-)
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 44e724508c55..de5c30c9f059 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c@@ -1006,16 +1006,31 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) struct geneve_dev *geneve = netdev_priv(dev); struct rtable *rt; struct flowi4 fl4; +#if IS_ENABLED(CONFIG_IPV6) + struct dst_entry *dst; + struct flowi6 fl6; +#endif - if (ip_tunnel_info_af(info) != AF_INET) - return -EINVAL; + if (ip_tunnel_info_af(info) == AF_INET) { + rt = geneve_get_v4_rt(skb, dev, &fl4, info); + if (IS_ERR(rt)) + return PTR_ERR(rt); - rt = geneve_get_v4_rt(skb, dev, &fl4, info); - if (IS_ERR(rt)) - return PTR_ERR(rt); + ip_rt_put(rt); + info->key.u.ipv4.src = fl4.saddr; +#if IS_ENABLED(CONFIG_IPV6) + } else if (ip_tunnel_info_af(info) == AF_INET6) { + dst = geneve_get_v6_dst(skb, dev, &fl6, info); + if (IS_ERR(dst)) + return PTR_ERR(dst); + + dst_release(dst); + info->key.u.ipv6.src = fl6.saddr; +#endif + } else { + return -EINVAL; + } - ip_rt_put(rt); - info->key.u.ipv4.src = fl4.saddr; info->key.tp_src = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); info->key.tp_dst = geneve->dst_port;
--
2.4.3