I tried the following.
In my test_plugin.py file, I added this line which has is_add =1, and flags
= IP_NEIGHBOR_FLAG_STATIC
self.vapi.ip_neighbor_add_del(self.pg1.sw_if_index,
'00:25:90:eb:e8:ed',
'2002::2',
1, 1)
In the plugin .c code, I try to find the entry but the find fails.
ip_neighbor_get_mac() returns a zero mac-addr.
ip_address_t ip;
ip.version = AF_IP6;
clib_memcpy_fast(&(ip.ip.ip6), &hdr->ipv6.dst_address[0], 16);
ip_neighbor_key_t key;
key.ipnk_ip = ip;
key.ipnk_sw_if_index = ump->eg_int_sw_index;
ip_neighbor_t ipn;
ipn.ipn_key = &key;
const mac_address_t *dmac = ip_neighbor_get_mac(&ipn);
u8 *s2 = NULL;
u8 *s1 = NULL;
s1 = format(0, "%U", format_ip6_address, &(ip.ip.ip6));
if (dmac) {
s2 = format(0, "%U", format_mac_address, dmac);
fprintf(stderr, "UPF6 dst mac = %s, ip6 = %s, if_index = %d\n", s2,
s1, key.ipnk_sw_if_index);
The fprintf from C code shows: UPF6 dst mac = 00:00:00:00:00:00, ip6 =
2002::2 , if_index = 2
What am I doing wrong?
Thanks,
Hemant
From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of hemant via
lists.fd.io
Sent: Thursday, April 15, 2021 4:33 PM
To: vpp-dev@lists.fd.io
Subject: [vpp-dev] dst mac-address look up?
I read this link:
https://fdio-vpp.readthedocs.io/en/latest/gettingstarted/developers/fib20/ar
pentries.html
At the end of the page, I see text that says "key for which is {interface,
next-hop, link-type}."
I have the data for the above key, but what API do I use to find destination
mac-address?
Hemant
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