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nl80211: Debug print TX queue parameter values and result

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Some mac80211_hwsim test cases have failed with mysterious sequence
where mac80211 has claimed the parameters are invalid ("wlan3: invalid
CW_min/CW_max: 9484/40"). Those values look strange since they are not
from hostapd configuration or default values.. hostapd is seeing TX
queue parameter set failing for queues 0, 1, and 3 (but not 2) for these
cases. Add debug prints to hostapd to get more details on what exactly
is happening if such error cases can be reproduced.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2018-12-02 19:50:59 +02:00
parent d0cd2d1ab2
commit bd51246924
1 changed files with 6 additions and 1 deletions
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7
src/drivers/driver_nl80211.c
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@ -6297,6 +6297,7 @@ static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
struct wpa_driver_nl80211_data *drv = bss->drv; struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg; struct nl_msg *msg;
struct nlattr *txq, *params; struct nlattr *txq, *params;
int res;
msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY); msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
if (!msg) if (!msg)
@ -6342,7 +6343,11 @@ static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
nla_nest_end(msg, txq); nla_nest_end(msg, txq);
if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) res = send_and_recv_msgs(drv, msg, NULL, NULL);
wpa_printf(MSG_DEBUG,
"nl80211: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d",
queue, aifs, cw_min, cw_max, burst_time, res);
if (res == 0)
return 0; return 0;
msg = NULL; msg = NULL;
fail: fail: