On 11/30/2015 11:58 AM, Kalle Valo wrote:
Arend van Spriel <arend@xxxxxxxxxxxx> writes:
From: Hante Meuleman <meuleman@xxxxxxxxxxxx>
By default the 5G band has an advantage of 8 dBm on the RSSI when
it comes to selection during join and roam. This patch adds a
module param to make this value configurable. Using the value 99
results in configuration that 5G has always preference over 2.4G.
Reviewed-by: Arend Van Spriel <arend@xxxxxxxxxxxx>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@xxxxxxxxxxxx>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@xxxxxxxxxxxx>
Signed-off-by: Hante Meuleman <meuleman@xxxxxxxxxxxx>
Signed-off-by: Arend van Spriel <arend@xxxxxxxxxxxx>
[...]
+/* Module param joinboost_5g used for preferred join selection.
+ * Use value 99 to configure preferred join to choose 5G always over 2.4G, any
+ * other value configures the advantage of 5G signal strength over 2.4G signal
+ * strength.
+ */
+static int brcmf_joinboost_5g_rssi = BRCMF_JOIN_PREF_RSSI_BOOST;
+module_param_named(joinboost_5g, brcmf_joinboost_5g_rssi, int, 0);
+MODULE_PARM_DESC(joinboost_5g, "Join preference 5G RSSI boost");
I'm not sure here, is a module parameter really the right way to
configure something like this?
Define "right way". It solves a problem for us, but admittedly it is not
something that is very usable by user-space apps. So I guess what you
are suggesting here is to come up with a nl80211 api for this. On the
mailing list (or hostap list) the topic pops up from time to time so
there are people who would like to have such a knob to play with. Still
would like to keep the module parameter although its use may change when
nl80211 api is added.
Regards,
Arend
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