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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: Bob Copeland <bob@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Bob Copeland 2013-11-05 11:16:54 -08:00 committed by Johannes Berg
parent 32cb05bfe8
commit 36c9bb29bf
1 changed files with 12 additions and 8 deletions
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20
net/mac80211/mesh_plink.c
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@ -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();