[xen staging] tools/libxl: Document where the magic MAC numbers come from

[patchbot@xxxxxxx]

commit 9ca7632bc45cf045fa78a9d7e1275af55240b243
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Wed Feb 10 13:51:21 2021 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Thu Feb 11 17:26:13 2021 +0000

    tools/libxl: Document where the magic MAC numbers come from
    
    Matches the comment in the xl-network-configuration manpage.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Wei Liu <wl@xxxxxxx>
---
 tools/libs/light/libxl_nic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/libs/light/libxl_nic.c b/tools/libs/light/libxl_nic.c
index 144e9e23e1..0b45469dca 100644
--- a/tools/libs/light/libxl_nic.c
+++ b/tools/libs/light/libxl_nic.c
@@ -73,6 +73,7 @@ static int libxl__device_nic_setdefault(libxl__gc *gc, 
uint32_t domid,
         libxl_uuid_generate(&uuid);
         r = libxl_uuid_bytearray(&uuid);
 
+        /* Generate a random MAC address, with Xen's OUI (00:16:3e) */
         nic->mac[0] = 0x00;
         nic->mac[1] = 0x16;
         nic->mac[2] = 0x3e;
--
generated by git-patchbot for /home/xen/git/xen.git#staging