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Commit 36c9bb29 authored by Bob Copeland's avatar Bob Copeland Committed by Johannes Berg
Browse files

mac80211: mesh: rewrite rssi_threshold_check in C 



Use C instead of cpp for type checking.  Also swap the arguments
into the usual sdata -> sta order.

Signed-off-by: default avatarBob Copeland <bob@cozybit.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 32cb05bf

net/mac80211/mesh_plink.c

+12 −8
Original line number Diff line number Diff line
@@ -19,12 +19,6 @@ 
#define mod_plink_timer(s, t) (mod_timer(&s->plink_timer, \

				jiffies + HZ * t / 1000))



/* We only need a valid sta if user configured a minimum rssi_threshold. */

#define rssi_threshold_check(sta, sdata) \

		(sdata->u.mesh.mshcfg.rssi_threshold == 0 ||\

		(sta && (s8) -ewma_read(&sta->avg_signal) > \

		sdata->u.mesh.mshcfg.rssi_threshold))



enum plink_event {

	PLINK_UNDEFINED,

	OPN_ACPT,
@@ -63,6 +57,16 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, 
			       enum ieee80211_self_protected_actioncode action,

			       u8 *da, __le16 llid, __le16 plid, __le16 reason);





/* We only need a valid sta if user configured a minimum rssi_threshold. */

static bool rssi_threshold_check(struct ieee80211_sub_if_data *sdata,

				 struct sta_info *sta)

{

	s32 rssi_threshold = sdata->u.mesh.mshcfg.rssi_threshold;

	return rssi_threshold == 0 ||

	       (sta && (s8) -ewma_read(&sta->avg_signal) > rssi_threshold);

}



/**

 * mesh_plink_fsm_restart - restart a mesh peer link finite state machine

 *
@@ -518,7 +522,7 @@ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata, 
	    sta->plink_state == NL80211_PLINK_LISTEN &&

	    sdata->u.mesh.accepting_plinks &&

	    sdata->u.mesh.mshcfg.auto_open_plinks &&

	    rssi_threshold_check(sta, sdata))

	    rssi_threshold_check(sdata, sta))

		changed = mesh_plink_open(sta);



	ieee80211_mps_frame_release(sta, elems);
@@ -776,7 +780,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, 
			mesh_matches_local(sdata, &elems);



	if (ftype == WLAN_SP_MESH_PEERING_OPEN &&

	    !rssi_threshold_check(sta, sdata)) {

	    !rssi_threshold_check(sdata, sta)) {

		mpl_dbg(sdata, "Mesh plink: %pM does not meet rssi threshold\n",

			mgmt->sa);

		rcu_read_unlock();