diff options
author | sam <sam@FreeBSD.org> | 2009-02-05 21:02:40 +0000 |
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committer | sam <sam@FreeBSD.org> | 2009-02-05 21:02:40 +0000 |
commit | 18819a05622f02d386dbe621b181fbd0b6c9b5f7 (patch) | |
tree | 0e9fdb89c9c5c5abe85e2b37257b43649804d0e1 /sys/dev/ath | |
parent | 5b2183aa129073bdcb790e27b9d1f1262d6111f9 (diff) | |
download | FreeBSD-src-18819a05622f02d386dbe621b181fbd0b6c9b5f7.zip FreeBSD-src-18819a05622f02d386dbe621b181fbd0b6c9b5f7.tar.gz |
Minor packet drop improvements:
o change tdma packet drop msg when ack required to ATH_DEBUG_TDMA
(ATH_DEBUG_XMIT is too noisy)
o add a debug msg for raw packet drop due to interface down/invalid
o add stats for these two cases
o explain how another drop case is handled
Diffstat (limited to 'sys/dev/ath')
-rw-r--r-- | sys/dev/ath/if_ath.c | 11 | ||||
-rw-r--r-- | sys/dev/ath/if_athioctl.h | 4 |
2 files changed, 11 insertions, 4 deletions
diff --git a/sys/dev/ath/if_ath.c b/sys/dev/ath/if_ath.c index 686123b..0782a2f 100644 --- a/sys/dev/ath/if_ath.c +++ b/sys/dev/ath/if_ath.c @@ -4994,9 +4994,9 @@ ath_tx_start(struct ath_softc *sc, struct ieee80211_node *ni, struct ath_buf *bf sc->sc_stats.ast_tx_noack++; #ifdef ATH_SUPPORT_TDMA if (sc->sc_tdma && (flags & HAL_TXDESC_NOACK) == 0) { - DPRINTF(sc, ATH_DEBUG_XMIT, "%s: ACK required w/ TDMA\n", - __func__); - /* XXX statistic */ + DPRINTF(sc, ATH_DEBUG_TDMA, + "%s: discard frame, ACK required w/ TDMA\n", __func__); + sc->sc_stats.ast_tdma_ack++; ath_freetx(m0); return EIO; } @@ -7198,6 +7198,10 @@ ath_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, struct ath_buf *bf; if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || sc->sc_invalid) { + DPRINTF(sc, ATH_DEBUG_XMIT, "%s: discard frame, %s", __func__, + (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 ? + "!running" : "invalid"); + sc->sc_stats.ast_tx_raw_fail++; ieee80211_free_node(ni); m_freem(m); return ENETDOWN; @@ -7207,6 +7211,7 @@ ath_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, */ bf = ath_getbuf(sc); if (bf == NULL) { + /* NB: ath_getbuf handles stat+msg */ ieee80211_free_node(ni); m_freem(m); return ENOBUFS; diff --git a/sys/dev/ath/if_athioctl.h b/sys/dev/ath/if_athioctl.h index 096f306..538c1a2 100644 --- a/sys/dev/ath/if_athioctl.h +++ b/sys/dev/ath/if_athioctl.h @@ -115,7 +115,9 @@ struct ath_stats { u_int32_t ast_tdma_tsf; /* TDMA slot update set TSF */ u_int16_t ast_tdma_tsfadjp;/* TDMA slot adjust+ (usec, smoothed)*/ u_int16_t ast_tdma_tsfadjm;/* TDMA slot adjust- (usec, smoothed)*/ - u_int32_t ast_pad[17]; + 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]; }; #define SIOCGATHSTATS _IOWR('i', 137, struct ifreq) |