Re: [Xen-devel] [PATCH v2 1/4] qapi: net: Add query-netdevs command

[Alexey Kirillov <lekiravi@yandex-team.ru>]

04.03.2020, 18:57, "Laurent Vivier" <lvivier@redhat.com>:
> On 04/03/2020 14:06, Alexey Kirillov wrote:
>>  Add a qmp command that provides information about currently attached
>>  network devices and their configuration.
>>
>>  Signed-off-by: Alexey Kirillov <lekiravi@yandex-team.ru>
>>  ---
>>   include/net/net.h | 1 +
>>   net/hub.c | 8 +++
>>   net/l2tpv3.c | 19 +++++++
>>   net/net.c | 91 +++++++++++++++++++++++++++++++++
>>   net/netmap.c | 13 +++++
>>   net/slirp.c | 126 ++++++++++++++++++++++++++++++++++++++++++++++
>>   net/socket.c | 71 ++++++++++++++++++++++++++
>>   net/tap-win32.c | 9 ++++
>>   net/tap.c | 103 +++++++++++++++++++++++++++++++++++--
>>   net/vde.c | 26 ++++++++++
>>   net/vhost-user.c | 18 +++++--
>>   qapi/net.json | 89 ++++++++++++++++++++++++++++++++
>>   12 files changed, 566 insertions(+), 8 deletions(-)
>
> ...
>>  diff --git a/net/net.c b/net/net.c
>>  index 9e93c3f8a1..01e0548295 100644
>>  --- a/net/net.c
>>  +++ b/net/net.c
>>  @@ -54,6 +54,7 @@
>>   #include "sysemu/sysemu.h"
>>   #include "net/filter.h"
>>   #include "qapi/string-output-visitor.h"
>>  +#include "qapi/clone-visitor.h"
>>
>>   /* Net bridge is currently not supported for W32. */
>>   #if !defined(_WIN32)
>>  @@ -128,6 +129,12 @@ char *qemu_mac_strdup_printf(const uint8_t *macaddr)
>>
>>   void qemu_format_nic_info_str(NetClientState *nc, uint8_t macaddr[6])
>>   {
>>  + g_assert(nc->stored_config);
>>  +
>>  + g_free(nc->stored_config->u.nic.macaddr);
>>  + nc->stored_config->u.nic.macaddr = g_strdup_printf(MAC_FMT,
>>  + MAC_ARG(macaddr));
>>  +
>
> Why do you use this rather than the qemu_mac_strdup_printf() function
> defined above?
>
> qemu_mac_strdup_printf():
>   890ee6abb385 ("net: add MAC address string printer")
>
> MAC_FMT/MAC_ARG:
>   6d1d4939a647 ("net: Add macros for MAC address tracing")
>
> MAC_FMT/MAC_ARG seems to be reserved for tracing.
>
> Thanks,
> Laurent

Somehow, I managed not to notice this feature.
Thank you for pointing this out, I will definitely fix this place.

-- 
Alexey Kirillov
Yandex.Cloud


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