Author: weongyo
Date: Tue Feb 23 19:55:54 2010
New Revision: 204257
URL: http://svn.freebsd.org/changeset/base/204257
Log:
o adds sysctl variables to show device statistics.
o records RTS success/fail statistics.
Pointed by: imp
Modified:
head/sys/dev/bwn/if_bwn.c
head/sys/dev/bwn/if_bwnvar.h
Modified: head/sys/dev/bwn/if_bwn.c
==============================================================================
--- head/sys/dev/bwn/if_bwn.c Tue Feb 23 19:44:51 2010 (r204256)
+++ head/sys/dev/bwn/if_bwn.c Tue Feb 23 19:55:54 2010 (r204257)
@@ -536,6 +536,7 @@ static void bwn_phy_lp_gaintbl_write_r2(
struct bwn_txgain_entry);
static void bwn_phy_lp_gaintbl_write_r01(struct bwn_mac *, int,
struct bwn_txgain_entry);
+static void bwn_sysctl_node(struct bwn_softc *);
static struct resource_spec bwn_res_spec_legacy[] = {
{ SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE },
@@ -1066,9 +1067,6 @@ bwn_attach_post(struct bwn_softc *sc)
struct ifnet *ifp = sc->sc_ifp;
struct siba_dev_softc *sd = sc->sc_sd;
struct siba_sprom *sprom = &sd->sd_bus->siba_sprom;
-#ifdef BWN_DEBUG
- device_t dev = sc->sc_dev;
-#endif
ic = ifp->if_l2com;
ic->ic_ifp = ifp;
@@ -1117,11 +1115,7 @@ bwn_attach_post(struct bwn_softc *sc)
&sc->sc_rx_th.wr_ihdr, sizeof(sc->sc_rx_th),
BWN_RX_RADIOTAP_PRESENT);
-#ifdef BWN_DEBUG
- SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
- SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
- "debug", CTLFLAG_RW, &sc->sc_debug, 0, "Debug flags");
-#endif
+ bwn_sysctl_node(sc);
if (bootverbose)
ieee80211_announce(ic);
@@ -9077,6 +9071,7 @@ bwn_handle_txeof(struct bwn_mac *mac, co
struct bwn_pio_txqueue *tq;
struct bwn_pio_txpkt *tp = NULL;
struct bwn_softc *sc = mac->mac_sc;
+ struct bwn_stats *stats = &mac->mac_stats;
struct ieee80211_node *ni;
int slot;
@@ -9088,9 +9083,9 @@ bwn_handle_txeof(struct bwn_mac *mac, co
device_printf(sc->sc_dev, "TODO: STATUS AMPDU\n");
if (status->rtscnt) {
if (status->rtscnt == 0xf)
- device_printf(sc->sc_dev, "TODO: RTS fail\n");
+ stats->rtsfail++;
else
- device_printf(sc->sc_dev, "TODO: RTS ok\n");
+ stats->rts++;
}
if (mac->mac_flags & BWN_MAC_FLAG_DMA) {
@@ -14286,6 +14281,36 @@ bwn_phy_lp_gaintbl_write_r01(struct bwn_
}
static void
+bwn_sysctl_node(struct bwn_softc *sc)
+{
+ device_t dev = sc->sc_dev;
+ struct bwn_mac *mac;
+ struct bwn_stats *stats;
+
+ /* XXX assume that count of MAC is only 1. */
+
+ if ((mac = sc->sc_curmac) == NULL)
+ return;
+ stats = &mac->mac_stats;
+
+ SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
+ SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
+ "linknoise", CTLFLAG_RW, &stats->rts, 0, "Noise level");
+ SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
+ SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
+ "rts", CTLFLAG_RW, &stats->rts, 0, "RTS");
+ SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
+ SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
+ "rtsfail", CTLFLAG_RW, &stats->rtsfail, 0, "RTS failed to send");
+
+#ifdef BWN_DEBUG
+ SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
+ SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
+ "debug", CTLFLAG_RW, &sc->sc_debug, 0, "Debug flags");
+#endif
+}
+
+static void
bwn_identify(driver_t *driver, device_t parent)
{
Modified: head/sys/dev/bwn/if_bwnvar.h
==============================================================================
--- head/sys/dev/bwn/if_bwnvar.h Tue Feb 23 19:44:51 2010
(r204256)
+++ head/sys/dev/bwn/if_bwnvar.h Tue Feb 23 19:55:54 2010
(r204257)
@@ -515,6 +515,8 @@ struct bwn_tx_radiotap_header {
};
struct bwn_stats {
+ int32_t rtsfail;
+ int32_t rts;
int32_t link_noise;
};
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