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local-node: prioritize neighbor candidates

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Prioritize neighbor candidates installed to hostapd. Add a new config
option to set a limit for neighbor reports installed to hostapd. This is
due to the fact, most devices will only evaluate a certain amount of
neighbor reports. Furthermore, the number of neighbor reports possible
is limited by the maximum frame size.

Signed-off-by: David Bauer <mail@david-bauer.net>
This commit is contained in:
David Bauer
2021-09-29 00:42:37 +02:00
parent 4862080de7
commit 532a48d23e
7 changed files with 141 additions and 11 deletions
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38
local_node.c
View File

@@ -287,35 +287,53 @@ usteer_local_node_req_cb(struct ubus_request *req, int ret)
uloop_timeout_set(&ln->req_timer, 1);
}
static void
static bool
usteer_add_rrm_data(struct usteer_local_node *ln, struct usteer_node *node)
{
if (node == &ln->node)
return;
return false;
if (!node->rrm_nr)
return;
return false;
/* Remote node only adds same SSID. Required for local-node. */
if (strcmp(ln->node.ssid, node->ssid) != 0)
return;
return false;
blobmsg_add_field(&b, BLOBMSG_TYPE_ARRAY, "",
blobmsg_data(node->rrm_nr),
blobmsg_data_len(node->rrm_nr));
return true;
}
static void
usteer_local_node_prepare_rrm_set(struct usteer_local_node *ln)
{
struct usteer_remote_node *rn;
struct usteer_node *node;
struct usteer_node *node, *last_remote_neighbor = NULL;
int i = 0;
void *c;
c = blobmsg_open_array(&b, "list");
for_each_local_node(node)
usteer_add_rrm_data(ln, node);
for_each_remote_node(rn)
usteer_add_rrm_data(ln, &rn->node);
for_each_local_node(node) {
if (i >= config.max_neighbor_reports)
break;
if (usteer_add_rrm_data(ln, node))
i++;
}
while (i < config.max_neighbor_reports) {
node = usteer_node_get_next_neighbor(&ln->node, last_remote_neighbor);
if (!node) {
/* No more nodes available */
break;
}
last_remote_neighbor = node;
if (usteer_add_rrm_data(ln, node))
i++;
}
blobmsg_close_array(&b, c);
}