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add driver stat to count tx drops due to insufficient frag buffers

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This commit is contained in:
Sam Leffler 2009-02-13 05:30:22 +00:00
parent 6e05dab14d
commit 36c6be9ab4
2 changed files with 3 additions and 3 deletions
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3
sys/dev/ath/if_ath.c
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@ -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;
}

3
sys/dev/ath/if_athioctl.h
View file

@ -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)