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network: use util_exponential_decay

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James Prestwood 2024-11-19 06:24:26 -08:00 committed by Denis Kenzior
parent a910a21beb
commit 7465abe5f8
1 changed files with 4 additions and 31 deletions
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35
src/network.c
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@ -56,6 +56,7 @@
#include "src/erp.h"
#include "src/handshake.h"
#include "src/band.h"
#include "src/util.h"
#define SAE_PT_SETTING "SAE-PT-Group%u"
@ -212,31 +213,10 @@ void network_disconnected(struct network *network)
station_hide_network(network->station, network);
}
/* First 64 entries calculated by 1 / pow(n, 0.3) for n >= 1 */
static const double rankmod_table[] = {
1.0000000000, 0.8122523964, 0.7192230933, 0.6597539554,
0.6170338627, 0.5841906811, 0.5577898253, 0.5358867313,
0.5172818580, 0.5011872336, 0.4870596972, 0.4745102806,
0.4632516708, 0.4530661223, 0.4437850034, 0.4352752816,
0.4274303178, 0.4201634287, 0.4134032816, 0.4070905315,
0.4011753236, 0.3956154062, 0.3903746872, 0.3854221125,
0.3807307877, 0.3762772797, 0.3720410580, 0.3680040435,
0.3641502401, 0.3604654325, 0.3569369365, 0.3535533906,
0.3503045821, 0.3471812999, 0.3441752105, 0.3412787518,
0.3384850430, 0.3357878061, 0.3331812996, 0.3306602598,
0.3282198502, 0.3258556179, 0.3235634544, 0.3213395618,
0.3191804229, 0.3170827751, 0.3150435863, 0.3130600345,
0.3111294892, 0.3092494947, 0.3074177553, 0.3056321221,
0.3038905808, 0.3021912409, 0.3005323264, 0.2989121662,
0.2973291870, 0.2957819051, 0.2942689208, 0.2927889114,
0.2913406263, 0.2899228820, 0.2885345572, 0.2871745887,
};
bool network_rankmod(const struct network *network, double *rankmod)
{
struct network_info *info = network->info;
int n;
int nmax;
/*
* Current policy is that only networks successfully connected
@ -250,12 +230,7 @@ bool network_rankmod(const struct network *network, double *rankmod)
if (n < 0)
return false;
nmax = L_ARRAY_SIZE(rankmod_table);
if (n >= nmax)
n = nmax - 1;
*rankmod = rankmod_table[n];
*rankmod = util_exponential_decay(n);
return true;
}
@ -2018,10 +1993,8 @@ void network_rank_update(struct network *network, bool connected)
L_WARN_ON(n < 0);
if (n >= (int) L_ARRAY_SIZE(rankmod_table))
n = L_ARRAY_SIZE(rankmod_table) - 1;
network->rank = rankmod_table[n] * best_bss->rank + USHRT_MAX;
network->rank =
util_exponential_decay(n) * best_bss->rank + USHRT_MAX;
} else
network->rank = best_bss->rank;