Re: [PATCH net-next v2 5/9] geneve: Add support to collect tunnel metadata.
From: Jesse Gross <hidden>
Date: 2015-08-19 01:07:49
On Mon, Aug 17, 2015 at 2:11 PM, Pravin B Shelar [off-list ref] wrote:
quoted hunk ↗ jump to hunk
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 546494d..cb2d874 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c +static int geneve_configure(struct net *net, struct net_device *dev, + __be32 rem_addr, __u32 vni, __u8 ttl, __u8 tos, + __u16 dst_port, bool metadata)
[...]
- if (!data[IFLA_GENEVE_ID] || !data[IFLA_GENEVE_REMOTE]) - return -EINVAL; + if (metadata && rtnl_dereference(gn->collect_md_tun)) + return -EEXIST;
This will allow you to configure a collect_md_tun devices and normal devices on top of each other, even though the latter will never get hit in that situation.