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ubus: prioritize neighbor reports on bss transition

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Apply the same logic for selecting the most relevant neighbors also when
sending transition requests to STAs.

Signed-off-by: David Bauer <mail@david-bauer.net>
This commit is contained in:
David Bauer
2021-10-01 11:13:04 +02:00
parent 532a48d23e
commit a5c21aec7a
1 changed files with 36 additions and 13 deletions
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49
ubus.c
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@@ -474,7 +474,7 @@ struct ubus_object usteer_obj = {
.n_methods = ARRAY_SIZE(usteer_methods),
};
static void
static bool
usteer_add_nr_entry(struct usteer_node *ln, struct usteer_node *node)
{
struct blobmsg_policy policy[3] = {
@@ -485,38 +485,61 @@ usteer_add_nr_entry(struct usteer_node *ln, struct usteer_node *node)
struct blob_attr *tb[3];
if (!node->rrm_nr)
return;
return false;
if (strcmp(ln->ssid, node->ssid) != 0)
return;
return false;
blobmsg_parse_array(policy, ARRAY_SIZE(tb), tb,
blobmsg_data(node->rrm_nr),
blobmsg_data_len(node->rrm_nr));
if (!tb[2])
return;
return false;
blobmsg_add_field(&b, BLOBMSG_TYPE_STRING, "",
blobmsg_data(tb[2]),
blobmsg_data_len(tb[2]));
return true;
}
static void
usteer_ubus_disassoc_add_neighbors(struct sta_info *si)
{
struct usteer_node *node, *last_remote_neighbor = NULL;
int i = 0;
void *c;
c = blobmsg_open_array(&b, "neighbors");
for_each_local_node(node) {
if (i >= config.max_neighbor_reports)
break;
if (usteer_add_nr_entry(si->node, node))
i++;
}
while (i < config.max_neighbor_reports) {
node = usteer_node_get_next_neighbor(si->node, last_remote_neighbor);
if (!node) {
/* No more nodes available */
break;
}
last_remote_neighbor = node;
if (usteer_add_nr_entry(si->node, node))
i++;
}
blobmsg_close_array(&b, c);
}
int usteer_ubus_notify_client_disassoc(struct sta_info *si)
{
struct usteer_local_node *ln = container_of(si->node, struct usteer_local_node, node);
struct usteer_remote_node *rn;
struct usteer_node *node;
void *c;
blob_buf_init(&b, 0);
blobmsg_printf(&b, "addr", MAC_ADDR_FMT, MAC_ADDR_DATA(si->sta->addr));
blobmsg_add_u32(&b, "duration", config.roam_kick_delay);
c = blobmsg_open_array(&b, "neighbors");
for_each_local_node(node)
usteer_add_nr_entry(si->node, node);
for_each_remote_node(rn)
usteer_add_nr_entry(si->node, &rn->node);
blobmsg_close_array(&b, c);
usteer_ubus_disassoc_add_neighbors(si);
return ubus_invoke(ubus_ctx, ln->obj_id, "wnm_disassoc_imminent", b.head, NULL, 0, 100);
}