svn commit: r188555 - head/sys/dev/ath
Sam Leffler
sam at FreeBSD.org
Thu Feb 12 21:30:23 PST 2009
Author: sam
Date: Fri Feb 13 05:30:22 2009
New Revision: 188555
URL: http://svn.freebsd.org/changeset/base/188555
Log:
add driver stat to count tx drops due to insufficient frag buffers
Modified:
head/sys/dev/ath/if_ath.c
head/sys/dev/ath/if_athioctl.h
Modified: head/sys/dev/ath/if_ath.c
==============================================================================
--- head/sys/dev/ath/if_ath.c Fri Feb 13 05:26:04 2009 (r188554)
+++ head/sys/dev/ath/if_ath.c Fri Feb 13 05:30:22 2009 (r188555)
@@ -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;
}
Modified: head/sys/dev/ath/if_athioctl.h
==============================================================================
--- head/sys/dev/ath/if_athioctl.h Fri Feb 13 05:26:04 2009 (r188554)
+++ head/sys/dev/ath/if_athioctl.h Fri Feb 13 05:30:22 2009 (r188555)
@@ -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)
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