[PATCH iproute2] bridge: fdb: print NDA_SRC_VNI if available

[PATCH iproute2] bridge: fdb: print NDA_SRC_VNI if available

[Roopa Prabhu]

From: Roopa Prabhu <roopa@cumulusnetworks.com>

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
---
 bridge/fdb.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/bridge/fdb.c b/bridge/fdb.c
index e5cebf9..081233a 100644
--- a/bridge/fdb.c
+++ b/bridge/fdb.c
@@ -204,6 +204,15 @@ int print_fdb(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
 				rta_getattr_u32(tb[NDA_VNI]));
 	}
 
+	if (tb[NDA_SRC_VNI]) {
+		if (jw_global)
+			jsonw_uint_field(jw_global, "src_vni",
+					 rta_getattr_u32(tb[NDA_SRC_VNI]));
+		else
+			fprintf(fp, "src_vni %d ",
+				rta_getattr_u32(tb[NDA_SRC_VNI]));
+	}
+
 	if (tb[NDA_IFINDEX]) {
 		unsigned int ifindex = rta_getattr_u32(tb[NDA_IFINDEX]);
 
-- 
2.1.4

Re: [PATCH iproute2] bridge: fdb: print NDA_SRC_VNI if available

[Stephen Hemminger]

On Thu, 26 Oct 2017 10:12:55 -0700
Roopa Prabhu <roopa@cumulusnetworks.com> wrote:

> From: Roopa Prabhu <roopa@cumulusnetworks.com>
> 
> Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>

In general, this looks ok and I will apply it.

But why is there no ability to set source vni? The kernel accepts
it as a parameter to vxlan, but there is no option to set it with
ip command when creating vxlan.