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lib,zebra: add zapi message to control noarp flag

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Add a ZAPI message to control the setting of the IFF_NOARP flag.

Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
This commit is contained in:
Louis Scalbert 2024-01-11 11:24:20 +01:00
parent 03d6a6d137
commit 2ee43c873e
5 changed files with 67 additions and 0 deletions
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18
lib/zclient.c
View file

@ -4520,6 +4520,24 @@ static void zclient_event(enum zclient_event event, struct zclient *zclient)
}
}
enum zclient_send_status zclient_interface_set_arp(struct zclient *client,
struct interface *ifp,
bool arp_enable)
{
struct stream *s;
s = client->obuf;
stream_reset(s);
zclient_create_header(s, ZEBRA_INTERFACE_SET_ARP, ifp->vrf->vrf_id);
stream_putl(s, ifp->ifindex);
stream_putc(s, arp_enable);
stream_putw_at(s, 0, stream_get_endp(s));
return zclient_send_message(client);
}
enum zclient_send_status zclient_interface_set_master(struct zclient *client,
struct interface *master,
struct interface *slave)

4
lib/zclient.h
View file

@ -98,6 +98,7 @@ typedef enum {
ZEBRA_INTERFACE_UP,
ZEBRA_INTERFACE_DOWN,
ZEBRA_INTERFACE_SET_MASTER,
ZEBRA_INTERFACE_SET_ARP,
ZEBRA_INTERFACE_SET_PROTODOWN,
ZEBRA_ROUTE_ADD,
ZEBRA_ROUTE_DELETE,
@ -1036,6 +1037,9 @@ extern int zclient_read_header(struct stream *s, int sock, uint16_t *size,
*/
extern bool zapi_parse_header(struct stream *zmsg, struct zmsghdr *hdr);
extern enum zclient_send_status zclient_interface_set_arp(struct zclient *client,
struct interface *ifp,
bool arp_enable);
extern enum zclient_send_status
zclient_interface_set_master(struct zclient *client, struct interface *master,
struct interface *slave);

21
zebra/interface.c
View file

@ -3662,6 +3662,27 @@ DEFUN (show_interface_desc_vrf_all,
return CMD_SUCCESS;
}
void if_arp(struct interface *ifp, bool enable)
{
int ret;
if (!CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE))
return;
if (enable)
ret = if_unset_flags(ifp, IFF_NOARP);
else
ret = if_set_flags(ifp, IFF_NOARP);
if (ret < 0) {
zlog_debug("Can't %sset noarp flag on interface %s",
enable ? "" : "un", ifp->name);
return;
}
if_refresh(ifp);
}
int if_multicast_set(struct interface *ifp)
{
struct zebra_if *if_data;

1
zebra/interface.h
View file

@ -314,6 +314,7 @@ extern int if_ipv6_address_install(struct interface *ifp, struct prefix *prefix,
extern int if_ip_address_uinstall(struct interface *ifp, struct prefix *prefix);
extern int if_shutdown(struct interface *ifp);
extern int if_no_shutdown(struct interface *ifp);
extern void if_arp(struct interface *ifp, bool enable);
extern int if_multicast_set(struct interface *ifp);
extern int if_multicast_unset(struct interface *ifp);
extern int if_linkdetect(struct interface *ifp, bool detect);

23
zebra/zapi_msg.c
View file

@ -3124,6 +3124,28 @@ stream_failure:
}
static void zread_interface_set_arp(ZAPI_HANDLER_ARGS)
{
struct stream *s = msg;
struct interface *ifp;
bool arp_enable;
vrf_id_t vrf_id = zvrf->vrf->vrf_id;
int ifindex;
STREAM_GETL(s, ifindex);
STREAM_GETC(s, arp_enable);
ifp = if_lookup_by_index(ifindex, vrf_id);
if (!ifp)
return;
if_arp(ifp, arp_enable);
stream_failure:
return;
}
static void zread_vrf_label(ZAPI_HANDLER_ARGS)
{
struct interface *ifp;
@ -3905,6 +3927,7 @@ void (*const zserv_handlers[])(ZAPI_HANDLER_ARGS) = {
[ZEBRA_REMOTE_MACIP_DEL] = zebra_vxlan_remote_macip_del,
[ZEBRA_DUPLICATE_ADDR_DETECTION] = zebra_vxlan_dup_addr_detection,
[ZEBRA_INTERFACE_SET_MASTER] = zread_interface_set_master,
[ZEBRA_INTERFACE_SET_ARP] = zread_interface_set_arp,
[ZEBRA_PW_ADD] = zread_pseudowire,
[ZEBRA_PW_DELETE] = zread_pseudowire,
[ZEBRA_PW_SET] = zread_pseudowire,