Re: [PATCH 1/2] Add 802.11 reason code strings

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On Mon, Apr 15, 2019 at 12:20:05PM -0700, akhouderchah@xxxxxxxxxxxx wrote:
> Logs involving 802.11 reason codes output the reason code value, but
> do not provide any explanation of what the value means. This change
> provides a terse explanation of each reason code using the latter part
> of the reason code #define names.

Thanks, both patches applied. Though, I had to drop these parts:

> diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
> @@ -2988,8 +2988,8 @@ static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
>  		wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
> -			" reason=%d%s",
> -			MAC2STR(bssid), reason_code,
> +			" reason=%u (%s)%s",
> +			MAC2STR(bssid), reason_code, reason2str(reason_code),
>  			locally_generated ? " locally_generated=1" : "");

> diff --git a/wpa_supplicant/sme.c b/wpa_supplicant/sme.c
> @@ -1357,11 +1357,11 @@ void sme_event_auth(struct wpa_supplicant *wpa_s, union wpa_event_data *data)
> +			u16 reason = WLAN_REASON_DEAUTH_LEAVING;
>  			wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid="
>  				MACSTR
> -				" reason=%d locally_generated=1",
> -				MAC2STR(wpa_s->pending_bssid),
> -				WLAN_REASON_DEAUTH_LEAVING);
> +				" reason=%u (%s) locally_generated=1",
> +				MAC2STR(wpa_s->pending_bssid), reason, reason2str(reason));

Those are INFO level events with wpa_ctrl.h defined prefix, i.e.,
something that is likely used by existing upper layer components. The
changes in the parameter strings to replace "reason=%u" with "reason=%u
(%s)" could result in unexpected behavior in this event messages
targeted at programs parsing them rather than for humans.

-- 
Jouni Malinen                                            PGP id EFC895FA

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