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nl80211: Add a helper function for putting basic rates

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There is no need for maintaining two more or less identical copies of
this functionality.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-01-10 12:49:41 +02:00
parent 70437ae55a
commit cae87abd13
1 changed files with 23 additions and 34 deletions
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55
src/drivers/driver_nl80211.c
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@ -3078,9 +3078,25 @@ static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
} }
static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
{
u8 rates[NL80211_MAX_SUPP_RATES];
u8 rates_len = 0;
int i;
if (!basic_rates)
return 0;
for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
rates[rates_len++] = basic_rates[i] / 5;
return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
}
static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble, static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
int slot, int ht_opmode, int ap_isolate, int slot, int ht_opmode, int ap_isolate,
int *basic_rates) const int *basic_rates)
{ {
struct wpa_driver_nl80211_data *drv = bss->drv; struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg; struct nl_msg *msg;
@ -3095,27 +3111,13 @@ static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
(ht_opmode >= 0 && (ht_opmode >= 0 &&
nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) || nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
(ap_isolate >= 0 && (ap_isolate >= 0 &&
nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate))) nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
goto fail; nl80211_put_basic_rates(msg, basic_rates)) {
nlmsg_free(msg);
if (basic_rates) { return -ENOBUFS;
u8 rates[NL80211_MAX_SUPP_RATES];
u8 rates_len = 0;
int i;
for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0;
i++)
rates[rates_len++] = basic_rates[i] / 5;
if (nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len,
rates))
goto fail;
} }
return send_and_recv_msgs(drv, msg, NULL, NULL); return send_and_recv_msgs(drv, msg, NULL, NULL);
fail:
nlmsg_free(msg);
return -ENOBUFS;
} }
@ -7833,21 +7835,8 @@ wpa_driver_nl80211_join_mesh(void *priv,
goto fail; goto fail;
} }
if (params->basic_rates) { if (nl80211_put_basic_rates(msg, params->basic_rates))
u8 rates[NL80211_MAX_SUPP_RATES];
u8 rates_len = 0;
int i;
for (i = 0; i < NL80211_MAX_SUPP_RATES; i++) {
if (params->basic_rates[i] < 0)
break;
rates[rates_len++] = params->basic_rates[i] / 5;
}
if (nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len,
rates))
goto fail; goto fail;
}
if (params->meshid) { if (params->meshid) {
wpa_hexdump_ascii(MSG_DEBUG, " * SSID", wpa_hexdump_ascii(MSG_DEBUG, " * SSID",