From 36c6be9ab42349cc8fbfdbe0c8551c78976cdcf2 Mon Sep 17 00:00:00 2001 From: Sam Leffler Date: Fri, 13 Feb 2009 05:30:22 +0000 Subject: [PATCH] add driver stat to count tx drops due to insufficient frag buffers --- sys/dev/ath/if_ath.c | 3 +-- sys/dev/ath/if_athioctl.h | 3 ++- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/sys/dev/ath/if_ath.c b/sys/dev/ath/if_ath.c index 9f2622945ff..4459bf1b8e6 100644 --- a/sys/dev/ath/if_ath.c +++ b/sys/dev/ath/if_ath.c @@ -2071,7 +2071,6 @@ static void ath_start(struct ifnet *ifp) { struct ath_softc *sc = ifp->if_softc; - struct ieee80211com *ic = ifp->if_l2com; struct ieee80211_node *ni; struct ath_buf *bf; struct mbuf *m, *next; @@ -2141,7 +2140,7 @@ ath_start(struct ifnet *ifp) !ath_txfrag_setup(sc, &frags, m, ni)) { DPRINTF(sc, ATH_DEBUG_XMIT, "%s: out of txfrag buffers\n", __func__); - ic->ic_stats.is_tx_nobuf++; /* XXX */ + sc->sc_stats.ast_tx_nofrag++; ath_freetx(m); goto bad; } diff --git a/sys/dev/ath/if_athioctl.h b/sys/dev/ath/if_athioctl.h index 538c1a29b23..e9ea17bb59c 100644 --- a/sys/dev/ath/if_athioctl.h +++ b/sys/dev/ath/if_athioctl.h @@ -117,7 +117,8 @@ struct ath_stats { u_int16_t ast_tdma_tsfadjm;/* TDMA slot adjust- (usec, smoothed)*/ u_int32_t ast_tdma_ack; /* TDMA tx failed 'cuz ACK required */ u_int32_t ast_tx_raw_fail;/* raw tx failed 'cuz h/w down */ - u_int32_t ast_pad[15]; + u_int32_t ast_tx_nofrag; /* tx dropped 'cuz no ath frag buffer */ + u_int32_t ast_pad[14]; }; #define SIOCGATHSTATS _IOWR('i', 137, struct ifreq)