madwifi: add wprobe rxframe/probereq counters
authorFelix Fietkau <nbd@openwrt.org>
Sun, 29 Mar 2009 02:12:39 +0000 (02:12 +0000)
committerFelix Fietkau <nbd@openwrt.org>
Sun, 29 Mar 2009 02:12:39 +0000 (02:12 +0000)
SVN-Revision: 15063

package/madwifi/patches/416-wprobe.patch

index 5e181e5..4530737 100644 (file)
@@ -1,6 +1,6 @@
---- /dev/null  2009-03-26 21:01:06.000000000 +0100
-+++ ./ath/ath_wprobe.c 2009-03-26 20:58:07.000000000 +0100
-@@ -0,0 +1,364 @@
+--- /dev/null
++++ b/ath/ath_wprobe.c
+@@ -0,0 +1,392 @@
 +#include <net80211/ieee80211_node.h>
 +#include <linux/wprobe.h>
 +
@@ -22,6 +22,8 @@
 +      WP_GLOBAL_PHY_BUSY,
 +      WP_GLOBAL_PHY_RX,
 +      WP_GLOBAL_PHY_TX,
++      WP_GLOBAL_FRAMES,
++      WP_GLOBAL_PROBEREQ,
 +};
 +
 +static struct wprobe_item ath_wprobe_globals[] = {
 +              .type = WPROBE_VAL_U8,
 +              .flags = WPROBE_F_KEEPSTAT
 +      },
++      [WP_GLOBAL_FRAMES] = {
++              .name = "frames",
++              .type = WPROBE_VAL_U32,
++      },
++      [WP_GLOBAL_PROBEREQ] = {
++              .name = "probereq",
++              .type = WPROBE_VAL_U32,
++      },
 +};
 +
 +static struct wprobe_item ath_wprobe_link[] = {
 +      WPROBE_SET(WP_GLOBAL_PHY_BUSY, U8, busy);
 +      WPROBE_SET(WP_GLOBAL_PHY_RX, U8, rx);
 +      WPROBE_SET(WP_GLOBAL_PHY_TX, U8, tx);
++      WPROBE_SET(WP_GLOBAL_FRAMES, U32, avp->av_rxframes);
++      WPROBE_SET(WP_GLOBAL_PROBEREQ, U32, avp->av_rxprobereq);
++
 +phy_skip:
 +      WPROBE_SET(WP_GLOBAL_NOISE, S16, noise);
 +      WPROBE_FILL_END();
 +}
 +
 +static void
++ath_wprobe_report_rx(struct ieee80211vap *vap, struct sk_buff *skb)
++{
++      struct ieee80211_frame *wh = (struct ieee80211_frame *)skb->data;
++      struct ath_vap *avp;
++
++      if (wprobe_disabled())
++              return;
++
++      avp = ATH_VAP(vap);
++      avp->av_rxframes++;
++      if (wh->i_fc[0] == (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_REQ))
++              avp->av_rxprobereq++;
++}
++
++static void
 +ath_wprobe_node_join(struct ieee80211vap *vap, struct ieee80211_node *ni)
 +{
 +      struct wprobe_iface *dev;
 +
 +      wprobe_remove_iface(dev);
 +}
---- a/ath/if_ath.c     2009-03-26 19:54:36.000000000 +0100
-+++ /var/folders/DB/DBZUyxsHGRKP0B3nCU1mmU+++TI/-Tmp-/cocci-output-73937-18abc0-if_ath.c       2009-03-26 21:08:34.000000000 +0100
+--- a/ath/if_ath.c
++++ b/ath/if_ath.c
 @@ -400,6 +400,7 @@ static int countrycode = -1;
  static int maxvaps = -1;
  static int outdoor = -1;
  
        ATH_NODE_UAPSD_LOCK_IRQ(an);
  #ifdef IEEE80211_DEBUG_REFCNT
-@@ -7001,6 +7005,7 @@ drop_micfail:
+@@ -7001,6 +7005,8 @@ drop_micfail:
                                goto lookup_slowpath;
                        }
                        ATH_RSSI_LPF(ATH_NODE(ni)->an_avgrssi, rs->rs_rssi);
 +                      ath_node_sample_rx(ni, rs);
++                      ath_wprobe_report_rx(ni->ni_vap, skb);
                        type = ieee80211_input(ni->ni_vap, ni, skb, rs->rs_rssi, bf->bf_tsf);
                        ieee80211_unref_node(&ni);
                } else {
-@@ -7020,6 +7025,7 @@ lookup_slowpath:
+@@ -7011,15 +7017,22 @@ drop_micfail:
+ lookup_slowpath:
+                       vap = ieee80211_find_rxvap(ic, wh->i_addr1);
+-                      if (vap)
++                      if (vap) {
++                              ath_wprobe_report_rx(vap, skb);
+                               ni = ieee80211_find_rxnode(ic, vap, wh);
+-                      else
++                      } else {
++                              TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
++                                      ath_wprobe_report_rx(vap, skb);
++                              }
++                              vap = NULL;
+                               ni = NULL;
++                      }
+                       if (ni != NULL) {
                                ieee80211_keyix_t keyix;
  
                                ATH_RSSI_LPF(ATH_NODE(ni)->an_avgrssi, rs->rs_rssi);
                                type = ieee80211_input(vap, ni, skb, rs->rs_rssi, bf->bf_tsf);
                                /*
                                 * If the station has a key cache slot assigned
-@@ -8599,6 +8605,7 @@ ath_tx_processq(struct ath_softc *sc, st
+@@ -8599,6 +8612,7 @@ ath_tx_processq(struct ath_softc *sc, st
                                sc->sc_stats.ast_tx_rssi = ts->ts_rssi;
                                ATH_RSSI_LPF(an->an_halstats.ns_avgtxrssi,
                                        ts->ts_rssi);
                                if (bf->bf_skb->priority == WME_AC_VO ||
                                    bf->bf_skb->priority == WME_AC_VI)
                                        ni->ni_ic->ic_wme.wme_hipri_traffic++;
-@@ -10090,6 +10097,7 @@ ath_newassoc(struct ieee80211_node *ni, 
+@@ -10090,6 +10104,7 @@ ath_newassoc(struct ieee80211_node *ni, 
        struct ath_softc *sc = ic->ic_dev->priv;
  
        sc->sc_rc->ops->newassoc(sc, ATH_NODE(ni), isnew);
  
        /* are we supporting compression? */
        if (!(vap->iv_ath_cap & ni->ni_ath_flags & IEEE80211_NODE_COMP))
---- a/ath/if_athvar.h  2009-03-26 19:54:35.000000000 +0100
-+++ /var/folders/DB/DBZUyxsHGRKP0B3nCU1mmU+++TI/-Tmp-/cocci-output-73937-80429d-if_athvar.h    2009-03-26 21:08:42.000000000 +0100
+--- a/ath/if_athvar.h
++++ b/ath/if_athvar.h
 @@ -46,6 +46,7 @@
  #include "ah_desc.h"
  #include "ah_os.h"
        u_int16_t an_decomp_index;              /* decompression mask index */
        u_int32_t an_avgrssi;                   /* average rssi over all rx frames */
        u_int8_t  an_prevdatarix;               /* rate ix of last data frame */
-@@ -521,6 +525,7 @@ struct ath_vap {
+@@ -521,6 +525,9 @@ struct ath_vap {
  #else
        unsigned int av_beacon_alloc;
  #endif
 +      struct wprobe_iface av_wpif;
++      u32 av_rxframes;
++      u32 av_rxprobereq;
  };
  #define       ATH_VAP(_v)     ((struct ath_vap *)(_v))