Date: Sun, 8 Sep 2013 23:18:57 +0800 From: Chenchong Qin <qinchenchong@gmail.com> To: Adrian Chadd <adrian@freebsd.org> Cc: "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org> Subject: Re: Chenchong's work on net80211_ratectl Message-ID: <CAFnsE3fvpjCXEC1gN46VXfPdeXG5RSVzNiJkZJiQ6xSYQFb89g@mail.gmail.com> In-Reply-To: <CAFnsE3dm27483GVp4PRiwk=sxagT7NXQz4fmyOpth2zpCM2MwQ@mail.gmail.com> References: <CAFnsE3dYdPf5yGTFH683Q1Zh0mc-g%2B_YtCTraNNt28z2vBoSKw@mail.gmail.com> <CAJ-Vmom4sY7jcNwWmJkrDwfWjsok2fk8UEwTi5A=egj1JyerLw@mail.gmail.com> <CAFnsE3cyg=msBfQqqKUMmLABSL=j24VoMBwbBjxQ6b7Dyy7Mqg@mail.gmail.com> <CAJ-Vmo=k8NddAYyAJCkx4eOaA_8XsSxg6uKrdddx%2BgmeT%2BX9KA@mail.gmail.com> <CAFnsE3eaOyRcO3LXSi3L=jbzpyMv5Nt_jRGKt_mmA0WV-EV5vA@mail.gmail.com> <CAJ-VmokdxLhK5x6kO=jJzk-dv61EDK-ZgmndOimoyWWf76HiZA@mail.gmail.com> <CAJ-VmonMjR5iVTMVN9532d%2BPqOXWNUoZvxPtQir5h=yGxU-XdQ@mail.gmail.com> <CAFnsE3d9nG-X2b=z1srKfTtpxC3w5L%2B6Hg3TbOnAQrJN%2Bt19GA@mail.gmail.com> <CAJ-VmokF6hPtg9FoEdeJXLLaZRNhzd=nr_o6nHE%2BjYiQKTg3zQ@mail.gmail.com> <CAFnsE3eMwX-GiRzJt8jk4r9mxwSAQkcrDwk%2BnWVG7q6dabeA3A@mail.gmail.com> <CAJ-Vmo=mzvS0UBC7fGx2t501%2Bfioi4DJcw8qobOpbYOUiraqGg@mail.gmail.com> <CAFnsE3df=1WEuLZh5355v_K2eBgcuBbpoza74Y-5vvNupBz22A@mail.gmail.com> <CAJ-VmokyXwkKLdsJw74bux7G5EJSRvFhugTcLR9BgXfw4ysYRg@mail.gmail.com> <CAJ-VmokU=ZXysjZfAJ-REZL7kwg-_Z-LeAKca7AefONW_O1E5A@mail.gmail.com> <CAFnsE3cS_2Ad1geQQ0UB4doEgqVfhNBMi6j4fCRpFgQqcu2kJw@mail.gmail.com> <CAFnsE3eMrwpo=hcFb9XfpLL53Ppso%2B%2BXTBfpieP8FGejAKW1_w@mail.gmail.com> <CAJ-Vmo=s=0u7VO00vgzxmR7bE4aTtMrshZ3j5F312dya284V1g@mail.gmail.com> <CAFnsE3c%2BOg_2hVXO3zU7gmY4xFQjnxbv=ehJm=pbbpLJcgwJrQ@mail.gmail.com> <CAJ-Vmo=D3BNhhSn9D3x6hBry=fDecOd7BwttQ5Yw2iUKGDBN3w@mail.gmail.com> <CAFnsE3dw5bOyVRqMb9K3ME%2BHoDL61-e_XNJjjt_nRTaY=4dnhw@mail.gmail.com> <CAJ-Vmo=0tkTKQnOjrmYKqWqC%2B_nnFLqimdp06STETxLsFgxKxQ@mail.gmail.com> <CAFnsE3dm27483GVp4PRiwk=sxagT7NXQz4fmyOpth2zpCM2MwQ@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
[-- Attachment #1 --] Hi! I've added the common ratectl state as an mbuf tag! After days of frustration (compile errors, boot failed, kernel panics, suddenly kernel freezing...), it seems that ath now can use 11n-aware net80211 ratectl api to do rate control. Attachment[0] is the diff of modifications to dev/ath. Changes to net80211 is minor this time. Just add some debug msgs to it. Please reference my gsoc svn repo<https://svnweb.freebsd.org/socsvn/soc2013/ccqin/head/>; . It's worth mentioning that sometimes the kernel will "freezing" (it looks like all things stop working, screen is freezing, keyboard and mouse are not responding) after wireless stuff start working for a while. At first, I consider it caused by my modification to ath. But this strange thing can also happen in a head kernel (r255382). Attachment[1] is some useful messages just before it happens. By the way, I use a AR9227 device. And, I found that, for aggregation scenario, ath gathers tx information and update the ratectl states. So, what we can do to net80211 to let it support aggregation? Thanks! Chenchong On Tue, Sep 3, 2013 at 9:29 AM, Chenchong Qin <qinchenchong@gmail.com>wrote: > OK! > > Thanks! :-) > > Chenchong > > > On Tue, Sep 3, 2013 at 1:56 AM, Adrian Chadd <adrian@freebsd.org> wrote: > >> Hi! >> >> You can declare an mbuf tag and use that. Look at M_TXCB in net80211 and >> how mbuf tags are added. >> >> I've long thought about adding a net80211 mbuf tag to represent -all- of >> the tx related state - TX callback, rate control, rate completion, >> aggregation state, retry count, etc. That way all the drivers can use it. >> >> >> >> -adrian >> >> > [-- Attachment #2 --] Index: if_ath.c =================================================================== --- if_ath.c (revision 254826) +++ if_ath.c (working copy) @@ -82,6 +82,8 @@ #include <net80211/ieee80211_var.h> #include <net80211/ieee80211_regdomain.h> + +#include <net80211/ieee80211_ratectl.h> #ifdef IEEE80211_SUPPORT_SUPERG #include <net80211/ieee80211_superg.h> #endif @@ -322,6 +324,7 @@ sc->sc_ah = ah; sc->sc_invalid = 0; /* ready to go, enable interrupt handling */ #ifdef ATH_DEBUG + ath_debug |= ATH_DEBUG_NODE; sc->sc_debug = ath_debug; #endif @@ -1380,6 +1383,16 @@ } ATH_UNLOCK(sc); + uint32_t caps = 0; + if (sc->sc_mrretry) + caps |= IEEE80211_RATECTL_CAP_MRR; + if (sc->sc_mrrprot) + caps |= IEEE80211_RATECTL_CAP_MRRPROT; + if (sc->sc_txchainmask > 1) + caps |= IEEE80211_RATECTL_CAP_MULTXCHAIN; + + ieee80211_ratectl_init(vap, caps); + /* complete setup */ ieee80211_vap_attach(vap, ath_media_change, ieee80211_media_status); return vap; @@ -1414,6 +1427,7 @@ ath_stoprecv(sc, 1); /* stop recv side */ } + ieee80211_ratectl_deinit(vap); ieee80211_vap_detach(vap); /* @@ -4042,6 +4056,8 @@ { struct ieee80211_node *ni = bf->bf_node; struct ath_node *an = NULL; + struct ieee80211_rc_info *rc_info = NULL; + struct m_tag *mtag; ATH_TX_UNLOCK_ASSERT(sc); ATH_TXQ_UNLOCK_ASSERT(txq); @@ -4068,10 +4084,33 @@ * XXX assume this isn't an aggregate * frame. */ +#if 0 ath_tx_update_ratectrl(sc, ni, bf->bf_state.bfs_rc, ts, bf->bf_state.bfs_pktlen, 1, (ts->ts_status == 0 ? 0 : 1)); +#endif + /* net80211 ratectl */ + mtag = m_tag_locate(bf->bf_m, MTAG_ABI_NET80211, + NET80211_TAG_RATECTL, NULL); + if (NULL == mtag) { + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, + "%s: no ratectl mbuf tag found.\n", __func__); + struct ieee80211_rc_info tmp_rc_info; + rc_info = &tmp_rc_info; + bzero(rc_info, sizeof(rc_info)); + } else { + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, + "%s: found ratectl mbuf tag.\n", __func__); + rc_info = (struct ieee80211_rc_info*)(mtag + 1); + } + + ieee80211_ratectl_rc_info_set(rc_info, + 1, (ts->ts_status == 0 ? 0 : 1), + bf->bf_state.bfs_pktlen, + ts->ts_shortretry, ts->ts_longretry, + ts->ts_finaltsi, ts->ts_rate); + ieee80211_ratectl_tx_complete(ni->ni_vap, ni, rc_info); } ath_tx_default_comp(sc, bf, 0); } else @@ -5574,9 +5613,15 @@ an->an_mcastrix = ath_tx_findrix(sc, tp->mcastrate); an->an_mgmtrix = ath_tx_findrix(sc, tp->mgmtrate); - +#if 0 ath_rate_newassoc(sc, an, isnew); +#endif + DPRINTF(sc, ATH_DEBUG_NODE, "%s: newassoc is new: %d\n", + __func__, isnew); + if (isnew) + ieee80211_ratectl_node_init(ni); + if (isnew && (vap->iv_flags & IEEE80211_F_PRIVACY) == 0 && sc->sc_hasclrkey && ni->ni_ucastkey.wk_keyix == IEEE80211_KEYIX_NONE) Index: if_ath_tx.c =================================================================== --- if_ath_tx.c (revision 254826) +++ if_ath_tx.c (working copy) @@ -72,6 +72,8 @@ #include <net80211/ieee80211_var.h> #include <net80211/ieee80211_regdomain.h> + +#include <net80211/ieee80211_ratectl.h> #ifdef IEEE80211_SUPPORT_SUPERG #include <net80211/ieee80211_superg.h> #endif @@ -1387,6 +1389,10 @@ static void ath_tx_do_ratelookup(struct ath_softc *sc, struct ath_buf *bf) { + struct ieee80211_node *ni = bf->bf_node; + struct ieee80211_rc_info *rc_info = NULL; + struct ieee80211_rc_series *rc = NULL; + struct m_tag *mtag; uint8_t rate, rix; int try0; @@ -1395,7 +1401,7 @@ /* Get rid of any previous state */ bzero(bf->bf_state.bfs_rc, sizeof(bf->bf_state.bfs_rc)); - +#if 0 ATH_NODE_LOCK(ATH_NODE(bf->bf_node)); ath_rate_findrate(sc, ATH_NODE(bf->bf_node), bf->bf_state.bfs_shpream, bf->bf_state.bfs_pktlen, &rix, &try0, &rate); @@ -1409,7 +1415,39 @@ ath_rate_getxtxrates(sc, ATH_NODE(bf->bf_node), rix, bf->bf_state.bfs_rc); ATH_NODE_UNLOCK(ATH_NODE(bf->bf_node)); +#endif + /* net80211 ratectl */ + mtag = m_tag_locate(bf->bf_m, MTAG_ABI_NET80211, + NET80211_TAG_RATECTL, NULL); +again: + if (NULL == mtag) { + mtag = m_tag_alloc(MTAG_ABI_NET80211, NET80211_TAG_RATECTL, + sizeof(struct ieee80211_rc_info), M_NOWAIT); + if (NULL == mtag) { + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, + "%s: can't alloc mbuf tag for ratectl.\n", __func__); + goto again; + } + } else + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, + "%s: nani? find mbuf tag for ratectl directly.\n", __func__); + + rc_info = (struct ieee80211_rc_info*)(mtag + 1); + rc = rc_info->iri_rc; + + bzero(rc_info, sizeof(rc_info)); + if (bf->bf_state.bfs_shpream) + rc_info->iri_flags |= IEEE80211_RATECTL_INFO_SP; + + ieee80211_ratectl_rates(ni, rc_info); + + m_tag_prepend(bf->bf_m, mtag); + + rix = rc[0].rix; + try0 = rc[0].tries; + rate = ni->ni_txrate; + sc->sc_txrix = rix; /* for LED blinking */ sc->sc_lastdatarix = rix; /* for fast frames */ bf->bf_state.bfs_try0 = try0; @@ -4058,6 +4096,8 @@ int tid = bf->bf_state.bfs_tid; struct ath_tid *atid = &an->an_tid[tid]; struct ath_tx_status *ts = &bf->bf_status.ds_txstat; + struct ieee80211_rc_info *rc_info = NULL; + struct m_tag *mtag; /* The TID state is protected behind the TXQ lock */ ATH_TX_LOCK(sc); @@ -4108,9 +4148,35 @@ * during a hw queue drain and the frame wanted an ACK. */ if (fail == 0 && ((bf->bf_state.bfs_txflags & HAL_TXDESC_NOACK) == 0)) + { +#if 0 ath_tx_update_ratectrl(sc, ni, bf->bf_state.bfs_rc, ts, bf->bf_state.bfs_pktlen, 1, (ts->ts_status == 0) ? 0 : 1); +#endif + + /* net80211 ratectl */ + mtag = m_tag_locate(bf->bf_m, MTAG_ABI_NET80211, + NET80211_TAG_RATECTL, NULL); + if (NULL == mtag) { + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, + "%s: no ratectl mbuf tag found.\n", __func__); + struct ieee80211_rc_info tmp_rc_info; + rc_info = &tmp_rc_info; + bzero(rc_info, sizeof(rc_info)); + } else { + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, + "%s: found ratectl mbuf tag.\n", __func__); + rc_info = (struct ieee80211_rc_info*)(mtag + 1); + } + + ieee80211_ratectl_rc_info_set(rc_info, + 1, (ts->ts_status == 0 ? 0 : 1), + bf->bf_state.bfs_pktlen, + ts->ts_shortretry, ts->ts_longretry, + ts->ts_finaltsi, ts->ts_rate); + ieee80211_ratectl_tx_complete(ni->ni_vap, ni, rc_info); + } ath_tx_default_comp(sc, bf, fail); } @@ -4475,6 +4541,9 @@ int drops = 0; struct ieee80211_tx_ampdu *tap; ath_bufhead bf_cq; + struct ath_tx_status ts = bf_first->bf_status.ds_txstat; + struct ieee80211_rc_info *rc_info = NULL; + struct m_tag *mtag; TAILQ_INIT(&bf_q); TAILQ_INIT(&bf_cq); @@ -4485,11 +4554,35 @@ * XXX use the length in the first frame in the series; * XXX just so things are consistent for now. */ +#if 0 ath_tx_update_ratectrl(sc, ni, bf_first->bf_state.bfs_rc, &bf_first->bf_status.ds_txstat, bf_first->bf_state.bfs_pktlen, bf_first->bf_state.bfs_nframes, bf_first->bf_state.bfs_nframes); +#endif + /* net80211 ratectl */ + mtag = m_tag_locate(bf_first->bf_m, MTAG_ABI_NET80211, + NET80211_TAG_RATECTL, NULL); + if (NULL == mtag) { + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, + "%s: no ratectl mbuf tag found.\n", __func__); + struct ieee80211_rc_info tmp_rc_info; + rc_info = &tmp_rc_info; + bzero(rc_info, sizeof(rc_info)); + } else { + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, + "%s: found ratectl mbuf tag.\n", __func__); + rc_info = (struct ieee80211_rc_info*)(mtag + 1); + } + ieee80211_ratectl_rc_info_set(rc_info, + bf_first->bf_state.bfs_nframes, + bf_first->bf_state.bfs_nframes, + bf_first->bf_state.bfs_pktlen, + ts.ts_shortretry, ts.ts_longretry, + ts.ts_finaltsi, ts.ts_rate); + ieee80211_ratectl_tx_complete(ni->ni_vap, ni, rc_info); + ATH_TX_LOCK(sc); tap = ath_tx_get_tx_tid(an, tid->tid); sc->sc_stats.ast_tx_aggr_failall++; @@ -4626,8 +4719,12 @@ int nframes = 0, nbad = 0, nf; int pktlen; /* XXX there's too much on the stack? */ +#if 0 struct ath_rc_series rc[ATH_RC_NUM]; +#endif int txseq; + struct ieee80211_rc_info *rc_info = NULL; + struct m_tag *mtag; DPRINTF(sc, ATH_DEBUG_SW_TX_AGGR, "%s: called; hwq_depth=%d\n", __func__, atid->hwq_depth); @@ -4748,7 +4845,7 @@ isaggr = bf_first->bf_state.bfs_aggr; ba[0] = ts.ts_ba_low; ba[1] = ts.ts_ba_high; - +#if 0 /* * Copy the TX completion status and the rate control * series from the first descriptor, as it may be freed @@ -4756,6 +4853,13 @@ * into things. */ memcpy(rc, bf_first->bf_state.bfs_rc, sizeof(rc)); +#endif + /* + * Get the net80211 ratectl mtag here, as bf_first will + * be set to NULL later. + */ + mtag = m_tag_locate(bf_first->bf_m, MTAG_ABI_NET80211, + NET80211_TAG_RATECTL, NULL); DPRINTF(sc, ATH_DEBUG_SW_TX_AGGR, "%s: txa_start=%d, tx_ok=%d, status=%.8x, flags=%.8x, " @@ -4873,9 +4977,31 @@ * control code. */ if (fail == 0) + { +#if 0 ath_tx_update_ratectrl(sc, ni, rc, &ts, pktlen, nframes, nbad); +#endif + /* net80211 ratectl */ + if (NULL == mtag) { + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, + "%s: no ratectl mbuf tag found.\n", __func__); + struct ieee80211_rc_info tmp_rc_info; + rc_info = &tmp_rc_info; + bzero(rc_info, sizeof(rc_info)); + } else { + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, + "%s: found ratectl mbuf tag.\n", __func__); + rc_info = (struct ieee80211_rc_info*)(mtag + 1); + } + ieee80211_ratectl_rc_info_set(rc_info, + nframes, nbad, pktlen, + ts.ts_shortretry, ts.ts_longretry, + ts.ts_finaltsi, ts.ts_rate); + ieee80211_ratectl_tx_complete(ni->ni_vap, ni, rc_info); + } + /* * send bar if we dropped any frames */ @@ -4948,6 +5074,8 @@ struct ath_tid *atid = &an->an_tid[tid]; struct ath_tx_status ts; int drops = 0; + struct ieee80211_rc_info *rc_info = NULL; + struct m_tag *mtag; /* * Take a copy of this; filtering/cloning the frame may free the @@ -4962,11 +5090,35 @@ * Do it outside of the TXQ lock. */ if (fail == 0 && ((bf->bf_state.bfs_txflags & HAL_TXDESC_NOACK) == 0)) + { +#if 0 ath_tx_update_ratectrl(sc, ni, bf->bf_state.bfs_rc, &bf->bf_status.ds_txstat, bf->bf_state.bfs_pktlen, 1, (ts.ts_status == 0) ? 0 : 1); +#endif + mtag = m_tag_locate(bf->bf_m, MTAG_ABI_NET80211, + NET80211_TAG_RATECTL, NULL); + + if (NULL == mtag) { + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, + "%s: no ratectl mbuf tag found.\n", __func__); + struct ieee80211_rc_info tmp_rc_info; + rc_info = &tmp_rc_info; + bzero(rc_info, sizeof(rc_info)); + } else { + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, + "%s: found ratectl mbuf tag.\n", __func__); + rc_info = (struct ieee80211_rc_info*)(mtag + 1); + } + ieee80211_ratectl_rc_info_set(rc_info, + 1, (ts.ts_status == 0 ? 0 : 1), + bf->bf_state.bfs_pktlen, + ts.ts_shortretry, ts.ts_longretry, + ts.ts_finaltsi, ts.ts_rate); + ieee80211_ratectl_tx_complete(ni->ni_vap, ni, rc_info); + } /* * This is called early so atid->hwq_depth can be tracked. * This unfortunately means that it's released and regrabbed Index: if_ath_tx_ht.c =================================================================== --- if_ath_tx_ht.c (revision 254826) +++ if_ath_tx_ht.c (working copy) @@ -64,6 +64,8 @@ #include <net80211/ieee80211_var.h> #include <net80211/ieee80211_regdomain.h> + +#include <net80211/ieee80211_ratectl.h> #ifdef IEEE80211_SUPPORT_SUPERG #include <net80211/ieee80211_superg.h> #endif @@ -221,13 +223,47 @@ void ath_tx_rate_fill_rcflags(struct ath_softc *sc, struct ath_buf *bf) { - struct ieee80211_node *ni = bf->bf_node; - struct ieee80211com *ic = ni->ni_ic; + // struct ieee80211_node *ni = bf->bf_node; + // struct ieee80211com *ic = ni->ni_ic; const HAL_RATE_TABLE *rt = sc->sc_currates; - struct ath_rc_series *rc = bf->bf_state.bfs_rc; + struct ath_rc_series *ath_rc = bf->bf_state.bfs_rc; + struct ieee80211_rc_info *rc_info = NULL; + struct ieee80211_rc_series *rc = NULL; + struct m_tag *mtag; uint8_t rate; int i; + mtag = m_tag_locate(bf->bf_m, MTAG_ABI_NET80211, + NET80211_TAG_RATECTL, NULL); + if (NULL == mtag) + return; + + rc_info = (struct ieee80211_rc_info*)(mtag + 1); + rc = rc_info->iri_rc; + + for (i = 0; i < IEEE80211_RATECTL_NUM; i++) { + if (rc[i].tries == 0) + continue; + + rate = rt->info[rc[i].rix].rateCode; + if (rc[i].flags & IEEE80211_RATECTL_FLAG_SP) + rate |= rt->info[rc[i].rix].shortPreamble; + + rc[i].ratecode = rate; + + ath_rc[i].rix = rc[i].rix; + ath_rc[i].tries = rc[i].tries; + ath_rc[i].flags = rc[i].flags; + ath_rc[i].ratecode = rc[i].ratecode; + ath_rc[i].tx_power_cap = rc[i].tx_power_cap; + ath_rc[i].max4msframelen = rc[i].max4msframelen; + + DPRINTF(sc, ATH_DEBUG_SW_TX_AGGR, + "%s: i=%d, rate=0x%x, flags=0x%x, max4ms=%d\n", + __func__, i, rate, rc[i].flags, rc[i].max4msframelen); + } + +#if 0 for (i = 0; i < ATH_RC_NUM; i++) { rc[i].flags = 0; if (rc[i].tries == 0) @@ -325,6 +361,7 @@ "%s: i=%d, rate=0x%x, flags=0x%x, max4ms=%d\n", __func__, i, rate, rc[i].flags, rc[i].max4msframelen); } +#endif } /* [-- Attachment #3 --] qinchenchong@freebsd:/home/qinchenchong % qinchenchong@freebsd:/home/qinchenchong % svn info /usr/src/ Path: /usr/src Working Copy Root Path: /usr/src URL: http://svn.freebsd.org/base/head Repository Root: http://svn.freebsd.org/base Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f Revision: 255382 Node Kind: directory Schedule: normal Last Changed Author: markm Last Changed Rev: 255379 Last Changed Date: 2013-09-08 06:07:36 +0800 (Sun, 08 Sep 2013) qinchenchong@freebsd:/home/qinchenchong % qinchenchong@freebsd:/home/qinchenchong % uname -a FreeBSD freebsd.qcc.local 10.0-CURRENT FreeBSD 10.0-CURRENT #2 r255382: Sun Sep 8 11:59:37 CST 2013 root@freebsd.qcc.local:/usr/obj/usr/src/sys/MYKERNEL amd64 qinchenchong@freebsd:/home/qinchenchong % qinchenchong@freebsd:/home/qinchenchong % sudo ifconfig wlan0 create wlandev ath0 qinchenchong@freebsd:/home/qinchenchong % sudo service netif start ifconfig: create: bad value Starting Network: lo0 em0 re0 ath0 wlan0. lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6> inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4 inet 127.0.0.1 netmask 0xff000000 nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> em0: flags=8c02<BROADCAST,OACTIVE,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=4219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC,VLAN_HWTSO> ether 44:37:e6:60:cc:fb nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> media: Ethernet autoselect status: no carrier re0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=8209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,LINKSTATE> ether 14:cf:92:ed:b2:fb inet6 fe80::16cf:92ff:feed:b2fb%re0 prefixlen 64 scopeid 0x2 inet6 2001:cc0:2026:e00:16cf:92ff:feed:b2fb prefixlen 64 autoconf inet 10.21.5.242 netmask 0xffff0000 broadcast 10.21.255.255 nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL> media: Ethernet autoselect (100baseTX <full-duplex>) status: active ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290 ether 14:cf:92:d5:76:df nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> media: IEEE 802.11 Wireless Ethernet autoselect mode 11g status: associated wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 ether 14:cf:92:d5:76:df inet 10.122.0.115 netmask 0xfffffc00 broadcast 10.122.3.255 nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> media: IEEE 802.11 Wireless Ethernet autoselect (autoselect) status: no carrier ssid ICT_WaveLAN channel 11 (2462 MHz 11g) regdomain 32924 country CN indoor ecm authmode OPEN privacy OFF txpower 20 bmiss 7 scanvalid 60 protmode CTS wme burst bintval 200 qinchenchong@freebsd:/home/qinchenchong % ** Then it freezes. :-(
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAFnsE3fvpjCXEC1gN46VXfPdeXG5RSVzNiJkZJiQ6xSYQFb89g>