[ovs-dev] [PATCH net-next v12] openvswitch: enable NSH support
Yang, Yi
yi.y.yang at intel.com
Fri Oct 20 11:34:40 UTC 2017
On Fri, Oct 20, 2017 at 04:05:35PM +0800, Jiri Benc wrote:
> On Fri, 20 Oct 2017 05:53:12 +0800, Yang, Yi wrote:
> > For push_nsh, my typical use scinario is push_nsh then set then output
> > to vxlangpe port.
>
> Okay.
Then I just need to do the below change against v12.
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index 1ab3c51..a3a663c 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -658,10 +658,8 @@ static int set_nsh(struct sk_buff *skb, struct
sw_flow_key *flow_key,
return err;
/* Make sure the NSH base header is there */
- err = skb_ensure_writable(skb, skb_network_offset(skb) +
- NSH_BASE_HDR_LEN);
- if (unlikely(err))
- return err;
+ if (!pskb_may_pull(skb, NSH_BASE_HDR_LEN))
+ return -ENOMEM;
nh = nsh_hdr(skb);
length = nsh_hdr_len(nh);
I'll send out v13 with this if you're ok.
>
> Jiri
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