diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-04-04 09:36:57 +0200 |
---|---|---|
committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-04-04 14:46:23 +0200 |
commit | de8a76da2f374792594ce03a203b3f30e4889f6f (patch) | |
tree | 12b5e1e59358005c3c522955c08aee4795e4829c /freebsd/sys/net80211 | |
parent | Enable bridging by default (diff) | |
download | rtems-libbsd-de8a76da2f374792594ce03a203b3f30e4889f6f.tar.bz2 |
Update to FreeBSD head 2017-04-04
Git mirror commit 642b174daddbd0efd9bb5f242c43f4ab4db6869f.
Diffstat (limited to 'freebsd/sys/net80211')
25 files changed, 2530 insertions, 282 deletions
diff --git a/freebsd/sys/net80211/_ieee80211.h b/freebsd/sys/net80211/_ieee80211.h index 13155ea3..9434f3a6 100644 --- a/freebsd/sys/net80211/_ieee80211.h +++ b/freebsd/sys/net80211/_ieee80211.h @@ -313,6 +313,12 @@ struct ieee80211_channel { #define IEEE80211_IS_CHAN_VHT(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) +#define IEEE80211_IS_CHAN_VHT_2GHZ(_c) \ + (IEEE80211_IS_CHAN_2GHZ(_c) && \ + ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) +#define IEEE80211_IS_CHAN_VHT_5GHZ(_c) \ + (IEEE80211_IS_CHAN_5GHZ(_c) && \ + ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0) #define IEEE80211_IS_CHAN_VHT20(_c) \ (((_c)->ic_flags & IEEE80211_CHAN_VHT20) != 0) #define IEEE80211_IS_CHAN_VHT40(_c) \ @@ -437,17 +443,26 @@ struct ieee80211_regdomain { /* * MIMO antenna/radio state. */ - +#define IEEE80211_MAX_CHAINS 4 /* - * XXX This doesn't yet export both ctl/ext chain details - * XXX TODO: IEEE80211_MAX_CHAINS is defined in _freebsd.h, not here; - * figure out how to pull it in! + * This is the number of sub-channels for a channel. + * 0 - pri20 + * 1 - sec20 (HT40, VHT40) + * 2 - sec40 (VHT80) + * 3 - sec80 (VHT80+80, VHT160) */ +#define IEEE80211_MAX_CHAIN_PRISEC 4 +#define IEEE80211_MAX_EVM_DWORDS 16 /* 16 pilots, 4 chains */ +#define IEEE80211_MAX_EVM_PILOTS 16 /* 468 subcarriers, 16 pilots */ + +struct ieee80211_mimo_chan_info { + int8_t rssi[IEEE80211_MAX_CHAIN_PRISEC]; + int8_t noise[IEEE80211_MAX_CHAIN_PRISEC]; +}; + struct ieee80211_mimo_info { - int8_t rssi[3]; /* per-antenna rssi */ - int8_t noise[3]; /* per-antenna noise floor */ - uint8_t pad[2]; - uint32_t evm[3]; /* EVM data */ + struct ieee80211_mimo_chan_info ch[IEEE80211_MAX_CHAINS]; + uint32_t evm[IEEE80211_MAX_EVM_DWORDS]; }; /* @@ -511,9 +526,100 @@ struct ieee80211_mimo_info { #define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */ #define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */ #define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 support */ +#define IEEE80211_HTC_TXLDPC 0x02000000 /* CAPABILITY: TX using LDPC */ #define IEEE80211_C_HTCAP_BITS \ "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ - "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS" + "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS\32TXLDPC" + +/* + * RX status notification - which fields are valid. + */ +#define IEEE80211_R_NF 0x00000001 /* global NF value valid */ +#define IEEE80211_R_RSSI 0x00000002 /* global RSSI value valid */ +#define IEEE80211_R_C_CHAIN 0x00000004 /* RX chain count valid */ +#define IEEE80211_R_C_NF 0x00000008 /* per-chain NF value valid */ +#define IEEE80211_R_C_RSSI 0x00000010 /* per-chain RSSI value valid */ +#define IEEE80211_R_C_EVM 0x00000020 /* per-chain EVM valid */ +#define IEEE80211_R_C_HT40 0x00000040 /* RX'ed packet is 40mhz, pilots 4,5 valid */ +#define IEEE80211_R_FREQ 0x00000080 /* Freq value populated, MHz */ +#define IEEE80211_R_IEEE 0x00000100 /* IEEE value populated */ +#define IEEE80211_R_BAND 0x00000200 /* Frequency band populated */ +#define IEEE80211_R_TSF32 0x00004000 /* 32 bit TSF */ +#define IEEE80211_R_TSF64 0x00008000 /* 64 bit TSF */ +#define IEEE80211_R_TSF_START 0x00010000 /* TSF is sampled at start of frame */ +#define IEEE80211_R_TSF_END 0x00020000 /* TSF is sampled at end of frame */ + +/* + * RX status notification - describe the packet. + */ +#define IEEE80211_RX_F_STBC 0x00000001 +#define IEEE80211_RX_F_LDPC 0x00000002 +#define IEEE80211_RX_F_AMSDU 0x00000004 /* This is the start of an decap AMSDU list */ +#define IEEE80211_RX_F_AMSDU_MORE 0x00000008 /* This is another decap AMSDU frame in the batch */ +#define IEEE80211_RX_F_AMPDU 0x00000010 /* This is the start of an decap AMPDU list */ +#define IEEE80211_RX_F_AMPDU_MORE 0x00000020 /* This is another decap AMPDU frame in the batch */ +#define IEEE80211_RX_F_FAIL_FCSCRC 0x00000040 /* Failed CRC/FCS */ +#define IEEE80211_RX_F_FAIL_MIC 0x00000080 /* Failed MIC check */ +#define IEEE80211_RX_F_DECRYPTED 0x00000100 /* Hardware decrypted */ +#define IEEE80211_RX_F_IV_STRIP 0x00000200 /* Decrypted; IV stripped */ +#define IEEE80211_RX_F_MMIC_STRIP 0x00000400 /* Decrypted; MMIC stripped */ +#define IEEE80211_RX_F_SHORTGI 0x00000800 /* This is a short-GI frame */ +#define IEEE80211_RX_F_CCK 0x00001000 +#define IEEE80211_RX_F_OFDM 0x00002000 +#define IEEE80211_RX_F_HT 0x00004000 +#define IEEE80211_RX_F_VHT 0x00008000 + +/* Channel width */ +#define IEEE80211_RX_FW_20MHZ 1 +#define IEEE80211_RX_FW_40MHZ 2 +#define IEEE80211_RX_FW_80MHZ 3 + +/* PHY type */ +#define IEEE80211_RX_FP_11B 1 +#define IEEE80211_RX_FP_11G 2 +#define IEEE80211_RX_FP_11A 3 +#define IEEE80211_RX_FP_11NA 4 +#define IEEE80211_RX_FP_11NG 5 + +struct ieee80211_rx_stats { + uint32_t r_flags; /* IEEE80211_R_* flags */ + uint32_t c_pktflags; /* IEEE80211_RX_F_* flags */ + + uint64_t c_rx_tsf; /* 32 or 64 bit TSF */ + + /* All DWORD aligned */ + int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */ + int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */ + int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ + int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ + + /* 32 bits */ + uint8_t c_nf; /* global NF */ + uint8_t c_rssi; /* global RSSI */ + uint8_t c_chain; /* number of RX chains involved */ + uint8_t c_rate; /* legacy; 11n rate code; VHT MCS */ + + /* 32 bits */ + uint16_t c_freq; /* Frequency, MHz */ + uint8_t c_ieee; /* Channel */ + uint8_t c_width; /* channel width, FW flags above */ + + /* Force alignment to DWORD */ + union { + uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS]; + /* per-chain, per-pilot EVM values */ + uint32_t __aln[8]; + } evm; + + /* 32 bits */ + uint8_t c_phytype; /* PHY type, FW flags above */ + uint8_t c_vhtnss; /* VHT - number of spatial streams */ + uint8_t c_pad2[2]; +}; + +struct ieee80211_rx_params { + struct ieee80211_rx_stats params; +}; #endif /* _NET80211__IEEE80211_H_ */ diff --git a/freebsd/sys/net80211/ieee80211.c b/freebsd/sys/net80211/ieee80211.c index 7fcd3dcd..9e9be3d7 100644 --- a/freebsd/sys/net80211/ieee80211.c +++ b/freebsd/sys/net80211/ieee80211.c @@ -56,6 +56,7 @@ __FBSDID("$FreeBSD$"); #include <net80211/ieee80211_superg.h> #endif #include <net80211/ieee80211_ratectl.h> +#include <net80211/ieee80211_vht.h> #include <net/bpf.h> @@ -72,6 +73,8 @@ const char *ieee80211_phymode_name[IEEE80211_MODE_MAX] = { [IEEE80211_MODE_QUARTER] = "quarter", [IEEE80211_MODE_11NA] = "11na", [IEEE80211_MODE_11NG] = "11ng", + [IEEE80211_MODE_VHT_2GHZ] = "11acg", + [IEEE80211_MODE_VHT_5GHZ] = "11ac", }; /* map ieee80211_opmode to the corresponding capability bit */ const int ieee80211_opcap[IEEE80211_OPMODE_MAX] = { @@ -119,6 +122,8 @@ static const struct ieee80211_rateset ieee80211_rateset_11g = { 12, { B(2), B(4), B(11), B(22), 12, 18, 24, 36, 48, 72, 96, 108 } }; #undef B +static int set_vht_extchan(struct ieee80211_channel *c); + /* * Fill in 802.11 available channel set, mark * all available channels as active, and pick @@ -150,10 +155,23 @@ ieee80211_chan_init(struct ieee80211com *ic) */ if (c->ic_ieee == 0) c->ic_ieee = ieee80211_mhz2ieee(c->ic_freq,c->ic_flags); + + /* + * Setup the HT40/VHT40 upper/lower bits. + * The VHT80 math is done elsewhere. + */ if (IEEE80211_IS_CHAN_HT40(c) && c->ic_extieee == 0) c->ic_extieee = ieee80211_mhz2ieee(c->ic_freq + (IEEE80211_IS_CHAN_HT40U(c) ? 20 : -20), c->ic_flags); + + /* Update VHT math */ + /* + * XXX VHT again, note that this assumes VHT80 channels + * are legit already + */ + set_vht_extchan(c); + /* default max tx power to max regulatory */ if (c->ic_maxpower == 0) c->ic_maxpower = 2*c->ic_maxregpower; @@ -183,6 +201,10 @@ ieee80211_chan_init(struct ieee80211com *ic) setbit(ic->ic_modecaps, IEEE80211_MODE_11NA); if (IEEE80211_IS_CHAN_HTG(c)) setbit(ic->ic_modecaps, IEEE80211_MODE_11NG); + if (IEEE80211_IS_CHAN_VHTA(c)) + setbit(ic->ic_modecaps, IEEE80211_MODE_VHT_5GHZ); + if (IEEE80211_IS_CHAN_VHTG(c)) + setbit(ic->ic_modecaps, IEEE80211_MODE_VHT_2GHZ); } /* initialize candidate channels to all available */ memcpy(ic->ic_chan_active, ic->ic_chan_avail, @@ -210,6 +232,8 @@ ieee80211_chan_init(struct ieee80211com *ic) DEFAULTRATES(IEEE80211_MODE_QUARTER, ieee80211_rateset_quarter); DEFAULTRATES(IEEE80211_MODE_11NA, ieee80211_rateset_11a); DEFAULTRATES(IEEE80211_MODE_11NG, ieee80211_rateset_11g); + DEFAULTRATES(IEEE80211_MODE_VHT_2GHZ, ieee80211_rateset_11g); + DEFAULTRATES(IEEE80211_MODE_VHT_5GHZ, ieee80211_rateset_11a); /* * Setup required information to fill the mcsset field, if driver did @@ -220,6 +244,8 @@ ieee80211_chan_init(struct ieee80211com *ic) if (ic->ic_txstream == 0) ic->ic_txstream = 2; + ieee80211_init_suphtrates(ic); + /* * Set auto mode to reset active channel state and any desired channel. */ @@ -337,6 +363,7 @@ ieee80211_ifattach(struct ieee80211com *ic) ieee80211_superg_attach(ic); #endif ieee80211_ht_attach(ic); + ieee80211_vht_attach(ic); ieee80211_scan_attach(ic); ieee80211_regdomain_attach(ic); ieee80211_dfs_attach(ic); @@ -380,6 +407,7 @@ ieee80211_ifdetach(struct ieee80211com *ic) #ifdef IEEE80211_SUPPORT_SUPERG ieee80211_superg_detach(ic); #endif + ieee80211_vht_detach(ic); ieee80211_ht_detach(ic); /* NB: must be called before ieee80211_node_detach */ ieee80211_proto_detach(ic); @@ -509,8 +537,15 @@ ieee80211_vap_setup(struct ieee80211com *ic, struct ieee80211vap *vap, vap->iv_flags_ext = ic->ic_flags_ext; vap->iv_flags_ven = ic->ic_flags_ven; vap->iv_caps = ic->ic_caps &~ IEEE80211_C_OPMODE; + + /* 11n capabilities - XXX methodize */ vap->iv_htcaps = ic->ic_htcaps; vap->iv_htextcaps = ic->ic_htextcaps; + + /* 11ac capabilities - XXX methodize */ + vap->iv_vhtcaps = ic->ic_vhtcaps; + vap->iv_vhtextcaps = ic->ic_vhtextcaps; + vap->iv_opmode = opmode; vap->iv_caps |= ieee80211_opcap[opmode]; IEEE80211_ADDR_COPY(vap->iv_myaddr, ic->ic_macaddr); @@ -595,6 +630,7 @@ ieee80211_vap_setup(struct ieee80211com *ic, struct ieee80211vap *vap, ieee80211_superg_vattach(vap); #endif ieee80211_ht_vattach(vap); + ieee80211_vht_vattach(vap); ieee80211_scan_vattach(vap); ieee80211_regdomain_vattach(vap); ieee80211_radiotap_vattach(vap); @@ -693,6 +729,8 @@ ieee80211_vap_detach(struct ieee80211vap *vap) */ ieee80211_draintask(ic, &vap->iv_nstate_task); ieee80211_draintask(ic, &vap->iv_swbmiss_task); + ieee80211_draintask(ic, &vap->iv_wme_task); + ieee80211_draintask(ic, &ic->ic_parent_task); /* XXX band-aid until ifnet handles this for us */ taskqueue_drain(taskqueue_swi, &ifp->if_linktask); @@ -731,6 +769,7 @@ ieee80211_vap_detach(struct ieee80211vap *vap) #ifdef IEEE80211_SUPPORT_SUPERG ieee80211_superg_vdetach(vap); #endif + ieee80211_vht_vdetach(vap); ieee80211_ht_vdetach(vap); /* NB: must be before ieee80211_node_vdetach */ ieee80211_proto_vdetach(vap); @@ -1075,6 +1114,110 @@ set_extchan(struct ieee80211_channel *c) c->ic_extieee = 0; } +/* + * Populate the freq1/freq2 fields as appropriate for VHT channels. + * + * This for now uses a hard-coded list of 80MHz wide channels. + * + * For HT20/HT40, freq1 just is the centre frequency of the 40MHz + * wide channel we've already decided upon. + * + * For VHT80 and VHT160, there are only a small number of fixed + * 80/160MHz wide channels, so we just use those. + * + * This is all likely very very wrong - both the regulatory code + * and this code needs to ensure that all four channels are + * available and valid before the VHT80 (and eight for VHT160) channel + * is created. + */ + +struct vht_chan_range { + uint16_t freq_start; + uint16_t freq_end; +}; + +struct vht_chan_range vht80_chan_ranges[] = { + { 5170, 5250 }, + { 5250, 5330 }, + { 5490, 5570 }, + { 5570, 5650 }, + { 5650, 5730 }, + { 5735, 5815 }, + { 0, 0, } +}; + +static int +set_vht_extchan(struct ieee80211_channel *c) +{ + int i; + + if (! IEEE80211_IS_CHAN_VHT(c)) { + return (0); + } + + if (IEEE80211_IS_CHAN_VHT20(c)) { + c->ic_vht_ch_freq1 = c->ic_ieee; + return (1); + } + + if (IEEE80211_IS_CHAN_VHT40(c)) { + if (IEEE80211_IS_CHAN_HT40U(c)) + c->ic_vht_ch_freq1 = c->ic_ieee + 2; + else if (IEEE80211_IS_CHAN_HT40D(c)) + c->ic_vht_ch_freq1 = c->ic_ieee - 2; + else + return (0); + return (1); + } + + if (IEEE80211_IS_CHAN_VHT80(c)) { + for (i = 0; vht80_chan_ranges[i].freq_start != 0; i++) { + if (c->ic_freq >= vht80_chan_ranges[i].freq_start && + c->ic_freq < vht80_chan_ranges[i].freq_end) { + int midpoint; + + midpoint = vht80_chan_ranges[i].freq_start + 40; + c->ic_vht_ch_freq1 = + ieee80211_mhz2ieee(midpoint, c->ic_flags); + c->ic_vht_ch_freq2 = 0; +#if 0 + printf("%s: %d, freq=%d, midpoint=%d, freq1=%d, freq2=%d\n", + __func__, c->ic_ieee, c->ic_freq, midpoint, + c->ic_vht_ch_freq1, c->ic_vht_ch_freq2); +#endif + return (1); + } + } + return (0); + } + + printf("%s: unknown VHT channel type (ieee=%d, flags=0x%08x)\n", + __func__, + c->ic_ieee, + c->ic_flags); + + return (0); +} + +/* + * Return whether the current channel could possibly be a part of + * a VHT80 channel. + * + * This doesn't check that the whole range is in the allowed list + * according to regulatory. + */ +static int +is_vht80_valid_freq(uint16_t freq) +{ + int i; + for (i = 0; vht80_chan_ranges[i].freq_start != 0; i++) { + if (freq >= vht80_chan_ranges[i].freq_start && + freq < vht80_chan_ranges[i].freq_end) + return (1); + } + return (0); +} + static int addchan(struct ieee80211_channel chans[], int maxchans, int *nchans, uint8_t ieee, uint16_t freq, int8_t maxregpower, uint32_t flags) @@ -1084,13 +1227,25 @@ addchan(struct ieee80211_channel chans[], int maxchans, int *nchans, if (*nchans >= maxchans) return (ENOBUFS); +#if 0 + printf("%s: %d: ieee=%d, freq=%d, flags=0x%08x\n", + __func__, + *nchans, + ieee, + freq, + flags); +#endif + c = &chans[(*nchans)++]; c->ic_ieee = ieee; c->ic_freq = freq != 0 ? freq : ieee80211_ieee2mhz(ieee, flags); c->ic_maxregpower = maxregpower; c->ic_maxpower = 2 * maxregpower; c->ic_flags = flags; + c->ic_vht_ch_freq1 = 0; + c->ic_vht_ch_freq2 = 0; set_extchan(c); + set_vht_extchan(c); return (0); } @@ -1106,14 +1261,27 @@ copychan_prev(struct ieee80211_channel chans[], int maxchans, int *nchans, if (*nchans >= maxchans) return (ENOBUFS); +#if 0 + printf("%s: %d: flags=0x%08x\n", + __func__, + *nchans, + flags); +#endif + c = &chans[(*nchans)++]; c[0] = c[-1]; c->ic_flags = flags; + c->ic_vht_ch_freq1 = 0; + c->ic_vht_ch_freq2 = 0; set_extchan(c); + set_vht_extchan(c); return (0); } +/* + * XXX VHT-2GHz + */ static void getflags_2ghz(const uint8_t bands[], uint32_t flags[], int ht40) { @@ -1134,35 +1302,73 @@ getflags_2ghz(const uint8_t bands[], uint32_t flags[], int ht40) } static void -getflags_5ghz(const uint8_t bands[], uint32_t flags[], int ht40) +getflags_5ghz(const uint8_t bands[], uint32_t flags[], int ht40, int vht80) { int nmodes; + /* + * the addchan_list function seems to expect the flags array to + * be in channel width order, so the VHT bits are interspersed + * as appropriate to maintain said order. + * + * It also assumes HT40U is before HT40D. + */ nmodes = 0; + + /* 20MHz */ if (isset(bands, IEEE80211_MODE_11A)) flags[nmodes++] = IEEE80211_CHAN_A; if (isset(bands, IEEE80211_MODE_11NA)) flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20; + if (isset(bands, IEEE80211_MODE_VHT_5GHZ)) { + flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20 | + IEEE80211_CHAN_VHT20; + } + + /* 40MHz */ if (ht40) { flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U; + } + if (ht40 && isset(bands, IEEE80211_MODE_VHT_5GHZ)) { + flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U + | IEEE80211_CHAN_VHT40U; + } + if (ht40) { flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D; } + if (ht40 && isset(bands, IEEE80211_MODE_VHT_5GHZ)) { + flags[nmodes++] = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D + | IEEE80211_CHAN_VHT40D; + } + + /* 80MHz */ + if (vht80 && isset(bands, IEEE80211_MODE_VHT_5GHZ)) { + flags[nmodes++] = IEEE80211_CHAN_A | + IEEE80211_CHAN_HT40U | IEEE80211_CHAN_VHT80; + flags[nmodes++] = IEEE80211_CHAN_A | + IEEE80211_CHAN_HT40D | IEEE80211_CHAN_VHT80; + } + + /* XXX VHT80+80 */ + /* XXX VHT160 */ flags[nmodes] = 0; } static void -getflags(const uint8_t bands[], uint32_t flags[], int ht40) +getflags(const uint8_t bands[], uint32_t flags[], int ht40, int vht80) { flags[0] = 0; if (isset(bands, IEEE80211_MODE_11A) || - isset(bands, IEEE80211_MODE_11NA)) { + isset(bands, IEEE80211_MODE_11NA) || + isset(bands, IEEE80211_MODE_VHT_5GHZ)) { if (isset(bands, IEEE80211_MODE_11B) || isset(bands, IEEE80211_MODE_11G) || - isset(bands, IEEE80211_MODE_11NG)) + isset(bands, IEEE80211_MODE_11NG) || + isset(bands, IEEE80211_MODE_VHT_2GHZ)) return; - getflags_5ghz(bands, flags, ht40); + getflags_5ghz(bands, flags, ht40, vht80); } else getflags_2ghz(bands, flags, ht40); } @@ -1170,6 +1376,7 @@ getflags(const uint8_t bands[], uint32_t flags[], int ht40) /* * Add one 20 MHz channel into specified channel list. */ +/* XXX VHT */ int ieee80211_add_channel(struct ieee80211_channel chans[], int maxchans, int *nchans, uint8_t ieee, uint16_t freq, int8_t maxregpower, @@ -1178,7 +1385,7 @@ ieee80211_add_channel(struct ieee80211_channel chans[], int maxchans, uint32_t flags[IEEE80211_MODE_MAX]; int i, error; - getflags(bands, flags, 0); + getflags(bands, flags, 0, 0); KASSERT(flags[0] != 0, ("%s: no correct mode provided\n", __func__)); error = addchan(chans, maxchans, nchans, ieee, freq, maxregpower, @@ -1212,6 +1419,7 @@ findchannel(struct ieee80211_channel chans[], int nchans, uint16_t freq, /* * Add 40 MHz channel pair into specified channel list. */ +/* XXX VHT */ int ieee80211_add_channel_ht40(struct ieee80211_channel chans[], int maxchans, int *nchans, uint8_t ieee, int8_t maxregpower, uint32_t flags) @@ -1269,11 +1477,17 @@ ieee80211_get_channel_center_freq(const struct ieee80211_channel *c) * For 80+80MHz channels this will be the centre of the primary * 80MHz channel; the secondary 80MHz channel will be center_freq2(). */ - uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *c) { + /* + * VHT - use the pre-calculated centre frequency + * of the given channel. + */ + if (IEEE80211_IS_CHAN_VHT(c)) + return (ieee80211_ieee2mhz(c->ic_vht_ch_freq1, c->ic_flags)); + if (IEEE80211_IS_CHAN_HT40U(c)) { return (c->ic_freq + 10); } @@ -1285,12 +1499,15 @@ ieee80211_get_channel_center_freq1(const struct ieee80211_channel *c) } /* - * For now, no 80+80 support; this is zero. + * For now, no 80+80 support; it will likely always return 0. */ uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *c) { + if (IEEE80211_IS_CHAN_VHT(c) && (c->ic_vht_ch_freq2 != 0)) + return (ieee80211_ieee2mhz(c->ic_vht_ch_freq2, c->ic_flags)); + return (0); } @@ -1304,16 +1521,70 @@ add_chanlist(struct ieee80211_channel chans[], int maxchans, int *nchans, { uint16_t freq; int i, j, error; + int is_vht; for (i = 0; i < nieee; i++) { freq = ieee80211_ieee2mhz(ieee[i], flags[0]); for (j = 0; flags[j] != 0; j++) { + /* + * Notes: + * + HT40 and VHT40 channels occur together, so + * we need to be careful that we actually allow that. + * + VHT80, VHT160 will coexist with HT40/VHT40, so + * make sure it's not skipped because of the overlap + * check used for (V)HT40. + */ + is_vht = !! (flags[j] & IEEE80211_CHAN_VHT); + + /* + * Test for VHT80. + * XXX This is all very broken right now. + * What we /should/ do is: + * + * + check that the frequency is in the list of + * allowed VHT80 ranges; and + * + the other 3 channels in the list are actually + * also available. + */ + if (is_vht && flags[j] & IEEE80211_CHAN_VHT80) + if (! is_vht80_valid_freq(freq)) + continue; + + /* + * Test for (V)HT40. + * + * This is also a fall through from VHT80; as we only + * allow a VHT80 channel if the VHT40 combination is + * also valid. If the VHT40 form is not valid then + * we certainly can't do VHT80.. + */ if (flags[j] & IEEE80211_CHAN_HT40D) + /* + * Can't have a "lower" channel if we are the + * first channel. + * + * Can't have a "lower" channel if it's below/ + * within 20MHz of the first channel. + * + * Can't have a "lower" channel if the channel + * below it is not 20MHz away. + */ if (i == 0 || ieee[i] < ieee[0] + 4 || freq - 20 != ieee80211_ieee2mhz(ieee[i] - 4, flags[j])) continue; if (flags[j] & IEEE80211_CHAN_HT40U) + /* + * Can't have an "upper" channel if we are + * the last channel. + * + * Can't have an "upper" channel be above the + * last channel in the list. + * + * Can't have an "upper" channel if the next + * channel according to the math isn't 20MHz + * away. (Likely for channel 13/14.) + */ if (i == nieee - 1 || ieee[i] + 4 > ieee[nieee - 1] || freq + 20 != @@ -1342,6 +1613,7 @@ ieee80211_add_channel_list_2ghz(struct ieee80211_channel chans[], int maxchans, { uint32_t flags[IEEE80211_MODE_MAX]; + /* XXX no VHT for now */ getflags_2ghz(bands, flags, ht40); KASSERT(flags[0] != 0, ("%s: no correct mode provided\n", __func__)); @@ -1354,8 +1626,15 @@ ieee80211_add_channel_list_5ghz(struct ieee80211_channel chans[], int maxchans, int ht40) { uint32_t flags[IEEE80211_MODE_MAX]; + int vht80 = 0; + + /* + * For now, assume VHT == VHT80 support as a minimum. + */ + if (isset(bands, IEEE80211_MODE_VHT_5GHZ)) + vht80 = 1; - getflags_5ghz(bands, flags, ht40); + getflags_5ghz(bands, flags, ht40, vht80); KASSERT(flags[0] != 0, ("%s: no correct mode provided\n", __func__)); return (add_chanlist(chans, maxchans, nchans, ieee, nieee, flags)); @@ -1494,6 +1773,8 @@ addmedia(struct ifmedia *media, int caps, int addsta, int mode, int mword) [IEEE80211_MODE_QUARTER] = IFM_IEEE80211_11A, /* XXX */ [IEEE80211_MODE_11NA] = IFM_IEEE80211_11NA, [IEEE80211_MODE_11NG] = IFM_IEEE80211_11NG, + [IEEE80211_MODE_VHT_2GHZ] = IFM_IEEE80211_VHT2G, + [IEEE80211_MODE_VHT_5GHZ] = IFM_IEEE80211_VHT5G, }; u_int mopt; @@ -1606,6 +1887,19 @@ ieee80211_media_setup(struct ieee80211com *ic, if (rate > maxrate) maxrate = rate; } + + /* + * Add VHT media. + */ + for (; mode <= IEEE80211_MODE_VHT_5GHZ; mode++) { + if (isclr(ic->ic_modecaps, mode)) + continue; + addmedia(media, caps, addsta, mode, IFM_AUTO); + addmedia(media, caps, addsta, mode, IFM_IEEE80211_VHT); + + /* XXX TODO: VHT maxrate */ + } + return maxrate; } @@ -1617,6 +1911,14 @@ ieee80211_get_suprates(struct ieee80211com *ic, const struct ieee80211_channel * return &ic->ic_sup_rates[ieee80211_chan2mode(c)]; } +/* XXX inline or eliminate? */ +const struct ieee80211_htrateset * +ieee80211_get_suphtrates(struct ieee80211com *ic, + const struct ieee80211_channel *c) +{ + return &ic->ic_sup_htrates; +} + void ieee80211_announce(struct ieee80211com *ic) { @@ -1641,6 +1943,7 @@ ieee80211_announce(struct ieee80211com *ic) printf("\n"); } ieee80211_ht_announce(ic); + ieee80211_vht_announce(ic); } void @@ -1885,7 +2188,11 @@ enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *chan) { - if (IEEE80211_IS_CHAN_HTA(chan)) + if (IEEE80211_IS_CHAN_VHT_2GHZ(chan)) + return IEEE80211_MODE_VHT_2GHZ; + else if (IEEE80211_IS_CHAN_VHT_5GHZ(chan)) + return IEEE80211_MODE_VHT_5GHZ; + else if (IEEE80211_IS_CHAN_HTA(chan)) return IEEE80211_MODE_11NA; else if (IEEE80211_IS_CHAN_HTG(chan)) return IEEE80211_MODE_11NG; diff --git a/freebsd/sys/net80211/ieee80211.h b/freebsd/sys/net80211/ieee80211.h index aa2ddb09..9fef8c44 100644 --- a/freebsd/sys/net80211/ieee80211.h +++ b/freebsd/sys/net80211/ieee80211.h @@ -165,6 +165,12 @@ struct ieee80211_qosframe_addr4 { #define IEEE80211_IS_MGMT(wh) \ (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \ == IEEE80211_FC0_TYPE_MGT)) +#define IEEE80211_IS_CTL(wh) \ + (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \ + == IEEE80211_FC0_TYPE_CTL)) +#define IEEE80211_IS_DATA(wh) \ + (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \ + == IEEE80211_FC0_TYPE_DATA)) #define IEEE80211_FC0_QOSDATA \ (IEEE80211_FC0_TYPE_DATA|IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_VERSION_0) @@ -611,7 +617,7 @@ struct ieee80211_ie_htcap { } __packed; /* HT capability flags (ht_cap) */ -#define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */ +#define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC rx supported */ #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */ @@ -798,37 +804,73 @@ struct ieee80211_ie_vht_operation { #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991 0x00000001 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454 0x00000002 #define IEEE80211_VHTCAP_MAX_MPDU_MASK 0x00000003 -#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 -#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 +#define IEEE80211_VHTCAP_MAX_MPDU_MASK_S 0 + #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK 0x0000000C +#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK_S 2 +#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_NONE 0 +#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ 1 +#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ 2 +#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_RESERVED 3 + #define IEEE80211_VHTCAP_RXLDPC 0x00000010 +#define IEEE80211_VHTCAP_RXLDPC_S 4 + #define IEEE80211_VHTCAP_SHORT_GI_80 0x00000020 +#define IEEE80211_VHTCAP_SHORT_GI_80_S 5 + #define IEEE80211_VHTCAP_SHORT_GI_160 0x00000040 +#define IEEE80211_VHTCAP_SHORT_GI_160_S 6 + #define IEEE80211_VHTCAP_TXSTBC 0x00000080 +#define IEEE80211_VHTCAP_TXSTBC_S 7 + #define IEEE80211_VHTCAP_RXSTBC_1 0x00000100 #define IEEE80211_VHTCAP_RXSTBC_2 0x00000200 #define IEEE80211_VHTCAP_RXSTBC_3 0x00000300 #define IEEE80211_VHTCAP_RXSTBC_4 0x00000400 #define IEEE80211_VHTCAP_RXSTBC_MASK 0x00000700 +#define IEEE80211_VHTCAP_RXSTBC_MASK_S 8 + #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE 0x00000800 +#define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE_S 11 + #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE 0x00001000 +#define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE_S 12 + #define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT 13 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \ (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT) +#define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK_S 13 + #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT 16 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \ (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT) +#define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK_S 16 + #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE 0x00080000 +#define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE_S 19 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE 0x00100000 +#define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE_S 20 #define IEEE80211_VHTCAP_VHT_TXOP_PS 0x00200000 +#define IEEE80211_VHTCAP_VHT_TXOP_PS_S 21 #define IEEE80211_VHTCAP_HTC_VHT 0x00400000 +#define IEEE80211_VHTCAP_HTC_VHT_S 22 + #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) +#define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_S 23 + +#define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK 0x0c000000 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 +#define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK_S 26 + #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN 0x10000000 +#define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN_S 28 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN 0x20000000 +#define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN_S 29 /* * XXX TODO: add the rest of the bits diff --git a/freebsd/sys/net80211/ieee80211_adhoc.c b/freebsd/sys/net80211/ieee80211_adhoc.c index 834c84cb..15a037f6 100644 --- a/freebsd/sys/net80211/ieee80211_adhoc.c +++ b/freebsd/sys/net80211/ieee80211_adhoc.c @@ -824,10 +824,14 @@ adhoc_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, #if 0 if (scan.htcap != NULL && scan.htinfo != NULL && (vap->iv_flags_ht & IEEE80211_FHT_HT)) { - if (ieee80211_ht_updateparams(ni, + ieee80211_ht_updateparams(ni, + scan.htcap, scan.htinfo)); + if (ieee80211_ht_updateparams_final(ni, scan.htcap, scan.htinfo)) ht_state_change = 1; } + + /* XXX same for VHT? */ #endif if (ni != NULL) { IEEE80211_RSSI_LPF(ni->ni_avgrssi, rssi); diff --git a/freebsd/sys/net80211/ieee80211_freebsd.c b/freebsd/sys/net80211/ieee80211_freebsd.c index 8c90c2f3..61c0b81d 100644 --- a/freebsd/sys/net80211/ieee80211_freebsd.c +++ b/freebsd/sys/net80211/ieee80211_freebsd.c @@ -182,6 +182,26 @@ ieee80211_sysctl_radar(SYSCTL_HANDLER_ARGS) return 0; } +/* + * For now, just restart everything. + * + * Later on, it'd be nice to have a separate VAP restart to + * full-device restart. + */ +static int +ieee80211_sysctl_vap_restart(SYSCTL_HANDLER_ARGS) +{ + struct ieee80211vap *vap = arg1; + int t = 0, error; + + error = sysctl_handle_int(oidp, &t, 0, req); + if (error || !req->newptr) + return error; + + ieee80211_restart_all(vap->iv_ic); + return 0; +} + void ieee80211_sysctl_attach(struct ieee80211com *ic) { @@ -261,6 +281,12 @@ ieee80211_sysctl_vattach(struct ieee80211vap *vap) &vap->iv_ampdu_mintraffic[WME_AC_VI], 0, "VI traffic tx aggr threshold (pps)"); } + + SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, + "force_restart", CTLTYPE_INT | CTLFLAG_RW, vap, 0, + ieee80211_sysctl_vap_restart, "I", + "force a VAP restart"); + if (vap->iv_caps & IEEE80211_C_DFS) { SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "radar", CTLTYPE_INT | CTLFLAG_RW, vap->iv_ic, 0, diff --git a/freebsd/sys/net80211/ieee80211_freebsd.h b/freebsd/sys/net80211/ieee80211_freebsd.h index 49549e7b..01b9a8f6 100644 --- a/freebsd/sys/net80211/ieee80211_freebsd.h +++ b/freebsd/sys/net80211/ieee80211_freebsd.h @@ -622,98 +622,9 @@ int ieee80211_add_xmit_params(struct mbuf *m, int ieee80211_get_xmit_params(struct mbuf *m, struct ieee80211_bpf_params *); -/* - * Note: this is fine for 3x3 (and 4x4) 11n HT40; - * but getting EVM information for VHT80, VHT160 - * will involve more than 6 EVM pilots. - */ -#define IEEE80211_MAX_CHAINS 4 -#define IEEE80211_MAX_EVM_PILOTS 6 - -#define IEEE80211_R_NF 0x00000001 /* global NF value valid */ -#define IEEE80211_R_RSSI 0x00000002 /* global RSSI value valid */ -#define IEEE80211_R_C_CHAIN 0x00000004 /* RX chain count valid */ -#define IEEE80211_R_C_NF 0x00000008 /* per-chain NF value valid */ -#define IEEE80211_R_C_RSSI 0x00000010 /* per-chain RSSI value valid */ -#define IEEE80211_R_C_EVM 0x00000020 /* per-chain EVM valid */ -#define IEEE80211_R_C_HT40 0x00000040 /* RX'ed packet is 40mhz, pilots 4,5 valid */ -#define IEEE80211_R_FREQ 0x00000080 /* Freq value populated, MHz */ -#define IEEE80211_R_IEEE 0x00000100 /* IEEE value populated */ -#define IEEE80211_R_BAND 0x00000200 /* Frequency band populated */ -#define IEEE80211_R_TSF32 0x00004000 /* 32 bit TSF */ -#define IEEE80211_R_TSF64 0x00008000 /* 64 bit TSF */ -#define IEEE80211_R_TSF_START 0x00010000 /* TSF is sampled at start of frame */ -#define IEEE80211_R_TSF_END 0x00020000 /* TSF is sampled at end of frame */ - -/* RX packet flags - describe the kind of frame */ -#define IEEE80211_RX_F_STBC 0x00000001 -#define IEEE80211_RX_F_LDPC 0x00000002 -#define IEEE80211_RX_F_AMSDU 0x00000004 /* This is the start of an decap AMSDU list */ -#define IEEE80211_RX_F_AMSDU_MORE 0x00000008 /* This is another decap AMSDU frame in the batch */ -#define IEEE80211_RX_F_AMPDU 0x00000010 /* This is the start of an decap AMPDU list */ -#define IEEE80211_RX_F_AMPDU_MORE 0x00000020 /* This is another decap AMPDU frame in the batch */ -#define IEEE80211_RX_F_FAIL_FCSCRC 0x00000040 /* Failed CRC/FCS */ -#define IEEE80211_RX_F_FAIL_MIC 0x00000080 /* Failed MIC check */ -#define IEEE80211_RX_F_DECRYPTED 0x00000100 /* Hardware decrypted */ -#define IEEE80211_RX_F_IV_STRIP 0x00000200 /* Decrypted; IV stripped */ -#define IEEE80211_RX_F_MMIC_STRIP 0x00000400 /* Decrypted; MMIC stripped */ -#define IEEE80211_RX_F_SHORTGI 0x00000800 /* This is a short-GI frame */ -#define IEEE80211_RX_F_CCK 0x00001000 -#define IEEE80211_RX_F_OFDM 0x00002000 -#define IEEE80211_RX_F_HT 0x00004000 -#define IEEE80211_RX_F_VHT 0x00008000 - -/* Channel width */ -#define IEEE80211_RX_FW_20MHZ 1 -#define IEEE80211_RX_FW_40MHZ 2 -#define IEEE80211_RX_FW_80MHZ 3 - -/* PHY type */ -#define IEEE80211_RX_FP_11B 1 -#define IEEE80211_RX_FP_11G 2 -#define IEEE80211_RX_FP_11A 3 -#define IEEE80211_RX_FP_11NA 4 -#define IEEE80211_RX_FP_11NG 5 - -struct ieee80211_rx_stats { - uint32_t r_flags; /* IEEE80211_R_* flags */ - uint32_t c_pktflags; /* IEEE80211_RX_F_* flags */ - - uint64_t c_rx_tsf; /* 32 or 64 bit TSF */ - - /* All DWORD aligned */ - int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */ - int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */ - int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ - int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */ - - /* 32 bits */ - uint8_t c_nf; /* global NF */ - uint8_t c_rssi; /* global RSSI */ - uint8_t c_chain; /* number of RX chains involved */ - uint8_t c_rate; /* legacy; 11n rate code; VHT MCS */ - - /* 32 bits */ - uint16_t c_freq; /* Frequency, MHz */ - uint8_t c_ieee; /* Channel */ - uint8_t c_width; /* channel width, FW flags above */ - - /* Force alignment to DWORD */ - union { - uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS]; - /* per-chain, per-pilot EVM values */ - uint32_t __aln[8]; - } evm; - - /* 32 bits */ - uint8_t c_phytype; /* PHY type, FW flags above */ - uint8_t c_vhtnss; /* VHT - number of spatial streams */ - uint8_t c_pad2[2]; -}; +struct ieee80211_rx_params; +struct ieee80211_rx_stats; -struct ieee80211_rx_params { - struct ieee80211_rx_stats params; -}; int ieee80211_add_rx_params(struct mbuf *m, const struct ieee80211_rx_stats *rxs); int ieee80211_get_rx_params(struct mbuf *m, diff --git a/freebsd/sys/net80211/ieee80211_hostap.c b/freebsd/sys/net80211/ieee80211_hostap.c index 8905c53c..6009ead7 100644 --- a/freebsd/sys/net80211/ieee80211_hostap.c +++ b/freebsd/sys/net80211/ieee80211_hostap.c @@ -64,6 +64,7 @@ __FBSDID("$FreeBSD$"); #include <net80211/ieee80211_superg.h> #endif #include <net80211/ieee80211_wds.h> +#include <net80211/ieee80211_vht.h> #define IEEE80211_RATE2MBS(r) (((r) & IEEE80211_RATE_VAL) / 2) @@ -1747,6 +1748,7 @@ hostap_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, struct ieee80211_frame *wh; uint8_t *frm, *efrm, *sfrm; uint8_t *ssid, *rates, *xrates, *wpa, *rsn, *wme, *ath, *htcap; + uint8_t *vhtcap, *vhtinfo; int reassoc, resp; uint8_t rate; @@ -2044,6 +2046,7 @@ hostap_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, if (reassoc) frm += 6; /* ignore current AP info */ ssid = rates = xrates = wpa = rsn = wme = ath = htcap = NULL; + vhtcap = vhtinfo = NULL; sfrm = frm; while (efrm - frm > 1) { IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return); @@ -2063,6 +2066,12 @@ hostap_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, case IEEE80211_ELEMID_HTCAP: htcap = frm; break; + case IEEE80211_ELEMID_VHT_CAP: + vhtcap = frm; + break; + case IEEE80211_ELEMID_VHT_OPMODE: + vhtinfo = frm; + break; case IEEE80211_ELEMID_VENDOR: if (iswpaoui(frm)) wpa = frm; @@ -2094,6 +2103,18 @@ hostap_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, return); /* XXX just NULL out? */ } + /* Validate VHT IEs */ + if (vhtcap != NULL) { + IEEE80211_VERIFY_LENGTH(vhtcap[1], + sizeof(struct ieee80211_ie_vhtcap) - 2, + return); + } + if (vhtinfo != NULL) { + IEEE80211_VERIFY_LENGTH(vhtinfo[1], + sizeof(struct ieee80211_ie_vht_operation) - 2, + return); + } + if ((vap->iv_flags & IEEE80211_F_WPA) && !wpa_assocreq(ni, &rsnparms, wh, wpa, rsn, capinfo)) return; @@ -2137,10 +2158,24 @@ hostap_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, vap->iv_stats.is_rx_assoc_norate++; return; } + /* * Do HT rate set handling and setup HT node state. */ ni->ni_chan = vap->iv_bss->ni_chan; + + /* VHT */ + if (IEEE80211_IS_CHAN_VHT(ni->ni_chan) && + vhtcap != NULL && + vhtinfo != NULL) { + /* XXX TODO; see below */ + printf("%s: VHT TODO!\n", __func__); + ieee80211_vht_node_init(ni); + ieee80211_vht_update_cap(ni, vhtcap, vhtinfo); + } else if (ni->ni_flags & IEEE80211_NODE_VHT) + ieee80211_vht_node_cleanup(ni); + + /* HT */ if (IEEE80211_IS_CHAN_HT(ni->ni_chan) && htcap != NULL) { rate = ieee80211_setup_htrates(ni, htcap, IEEE80211_F_DOFMCS | IEEE80211_F_DONEGO | @@ -2155,6 +2190,12 @@ hostap_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, ieee80211_ht_updatehtcap(ni, htcap); } else if (ni->ni_flags & IEEE80211_NODE_HT) ieee80211_ht_node_cleanup(ni); + + /* Finally - this will use HT/VHT info to change node channel */ + if (IEEE80211_IS_CHAN_HT(ni->ni_chan) && htcap != NULL) { + ieee80211_ht_updatehtcap_final(ni); + } + #ifdef IEEE80211_SUPPORT_SUPERG /* Always do ff node cleanup; for A-MSDU */ ieee80211_ff_node_cleanup(ni); diff --git a/freebsd/sys/net80211/ieee80211_ht.c b/freebsd/sys/net80211/ieee80211_ht.c index beeddda4..28093ed1 100644 --- a/freebsd/sys/net80211/ieee80211_ht.c +++ b/freebsd/sys/net80211/ieee80211_ht.c @@ -300,6 +300,11 @@ ieee80211_ht_vattach(struct ieee80211vap *vap) vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; if (vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; + + if (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) + vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; + if (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) + vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; } /* NB: disable default legacy WDS, too many issues right now */ if (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY) @@ -418,19 +423,17 @@ ieee80211_ht_announce(struct ieee80211com *ic) ht_announce(ic, IEEE80211_MODE_11NG); } -static struct ieee80211_htrateset htrateset; - -const struct ieee80211_htrateset * -ieee80211_get_suphtrates(struct ieee80211com *ic, - const struct ieee80211_channel *c) +void +ieee80211_init_suphtrates(struct ieee80211com *ic) { #define ADDRATE(x) do { \ - htrateset.rs_rates[htrateset.rs_nrates] = x; \ - htrateset.rs_nrates++; \ + htrateset->rs_rates[htrateset->rs_nrates] = x; \ + htrateset->rs_nrates++; \ } while (0) + struct ieee80211_htrateset *htrateset = &ic->ic_sup_htrates; int i; - memset(&htrateset, 0, sizeof(struct ieee80211_htrateset)); + memset(htrateset, 0, sizeof(struct ieee80211_htrateset)); for (i = 0; i < ic->ic_txstream * 8; i++) ADDRATE(i); if ((ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40) && @@ -450,7 +453,6 @@ ieee80211_get_suphtrates(struct ieee80211com *ic, ADDRATE(i); } } - return &htrateset; #undef ADDRATE } @@ -644,6 +646,40 @@ ampdu_dispatch(struct ieee80211_node *ni, struct mbuf *m) (void) ieee80211_input(ni, m, 0, 0); } +static void +ampdu_rx_moveup(struct ieee80211_rx_ampdu *rap, struct ieee80211_node *ni, + int i, int winstart) +{ + struct ieee80211vap *vap = ni->ni_vap; + + if (rap->rxa_qframes != 0) { + int n = rap->rxa_qframes, j; + + if (winstart != -1) { + /* + * NB: in window-sliding mode, loop assumes i > 0 + * and/or rxa_m[0] is NULL + */ + KASSERT(rap->rxa_m[0] == NULL, + ("%s: BA window slot 0 occupied", __func__)); + } + for (j = i+1; j < rap->rxa_wnd; j++) { + if (rap->rxa_m[j] != NULL) { + rap->rxa_m[j-i] = rap->rxa_m[j]; + rap->rxa_m[j] = NULL; + if (--n == 0) + break; + } + } + KASSERT(n == 0, ("%s: lost %d frames, qframes %d off %d " + "BA win <%d:%d> winstart %d", + __func__, n, rap->rxa_qframes, i, rap->rxa_start, + IEEE80211_SEQ_ADD(rap->rxa_start, rap->rxa_wnd-1), + winstart)); + vap->iv_stats.is_ampdu_rx_copy += rap->rxa_qframes; + } +} + /* * Dispatch as many frames as possible from the re-order queue. * Frames will always be "at the front"; we process all frames @@ -674,19 +710,8 @@ ampdu_rx_dispatch(struct ieee80211_rx_ampdu *rap, struct ieee80211_node *ni) * If frames remain, copy the mbuf pointers down so * they correspond to the offsets in the new window. */ - if (rap->rxa_qframes != 0) { - int n = rap->rxa_qframes, j; - for (j = i+1; j < rap->rxa_wnd; j++) { - if (rap->rxa_m[j] != NULL) { - rap->rxa_m[j-i] = rap->rxa_m[j]; - rap->rxa_m[j] = NULL; - if (--n == 0) - break; - } - } - KASSERT(n == 0, ("lost %d frames", n)); - vap->iv_stats.is_ampdu_rx_copy += rap->rxa_qframes; - } + ampdu_rx_moveup(rap, ni, i, -1); + /* * Adjust the start of the BA window to * reflect the frames just dispatched. @@ -761,27 +786,8 @@ ampdu_rx_flush_upto(struct ieee80211_node *ni, * If frames remain, copy the mbuf pointers down so * they correspond to the offsets in the new window. */ - if (rap->rxa_qframes != 0) { - int n = rap->rxa_qframes, j; + ampdu_rx_moveup(rap, ni, i, winstart); - /* NB: this loop assumes i > 0 and/or rxa_m[0] is NULL */ - KASSERT(rap->rxa_m[0] == NULL, - ("%s: BA window slot 0 occupied", __func__)); - for (j = i+1; j < rap->rxa_wnd; j++) { - if (rap->rxa_m[j] != NULL) { - rap->rxa_m[j-i] = rap->rxa_m[j]; - rap->rxa_m[j] = NULL; - if (--n == 0) - break; - } - } - KASSERT(n == 0, ("%s: lost %d frames, qframes %d off %d " - "BA win <%d:%d> winstart %d", - __func__, n, rap->rxa_qframes, i, rap->rxa_start, - IEEE80211_SEQ_ADD(rap->rxa_start, rap->rxa_wnd-1), - winstart)); - vap->iv_stats.is_ampdu_rx_copy += rap->rxa_qframes; - } /* * Move the start of the BA window; we use the * sequence number of the last MSDU that was @@ -824,6 +830,16 @@ ieee80211_ampdu_reorder(struct ieee80211_node *ni, struct mbuf *m) */ return PROCESS; } + + /* + * 802.11-2012 9.3.2.10 - Duplicate detection and recovery. + * + * Multicast QoS data frames are checked against a different + * counter, not the per-TID counter. + */ + if (IEEE80211_IS_MULTICAST(wh->i_addr1)) + return PROCESS; + if (IEEE80211_IS_DSTODS(wh)) tid = ((struct ieee80211_qosframe_addr4 *)wh)->i_qos[0]; else @@ -1492,52 +1508,117 @@ ieee80211_parse_htinfo(struct ieee80211_node *ni, const uint8_t *ie) } /* - * Handle 11n channel switch. Use the received HT ie's to - * identify the right channel to use. If we cannot locate it - * in the channel table then fallback to legacy operation. + * Handle 11n/11ac channel switch. + * + * Use the received HT/VHT ie's to identify the right channel to use. + * If we cannot locate it in the channel table then fallback to + * legacy operation. + * * Note that we use this information to identify the node's * channel only; the caller is responsible for insuring any * required channel change is done (e.g. in sta mode when * parsing the contents of a beacon frame). */ static int -htinfo_update_chw(struct ieee80211_node *ni, int htflags) +htinfo_update_chw(struct ieee80211_node *ni, int htflags, int vhtflags) { struct ieee80211com *ic = ni->ni_ic; struct ieee80211_channel *c; int chanflags; int ret = 0; - chanflags = (ni->ni_chan->ic_flags &~ IEEE80211_CHAN_HT) | htflags; - if (chanflags != ni->ni_chan->ic_flags) { - /* XXX not right for ht40- */ - c = ieee80211_find_channel(ic, ni->ni_chan->ic_freq, chanflags); - if (c == NULL && (htflags & IEEE80211_CHAN_HT40)) { - /* - * No HT40 channel entry in our table; fall back - * to HT20 operation. This should not happen. - */ - c = findhtchan(ic, ni->ni_chan, IEEE80211_CHAN_HT20); + /* + * First step - do HT/VHT only channel lookup based on operating mode + * flags. This involves masking out the VHT flags as well. + * Otherwise we end up doing the full channel walk each time + * we trigger this, which is expensive. + */ + chanflags = (ni->ni_chan->ic_flags &~ + (IEEE80211_CHAN_HT | IEEE80211_CHAN_VHT)) | htflags | vhtflags; + + if (chanflags == ni->ni_chan->ic_flags) + goto done; + + /* + * If HT /or/ VHT flags have changed then check both. + * We need to start by picking a HT channel anyway. + */ + + c = NULL; + chanflags = (ni->ni_chan->ic_flags &~ + (IEEE80211_CHAN_HT | IEEE80211_CHAN_VHT)) | htflags; + /* XXX not right for ht40- */ + c = ieee80211_find_channel(ic, ni->ni_chan->ic_freq, chanflags); + if (c == NULL && (htflags & IEEE80211_CHAN_HT40)) { + /* + * No HT40 channel entry in our table; fall back + * to HT20 operation. This should not happen. + */ + c = findhtchan(ic, ni->ni_chan, IEEE80211_CHAN_HT20); #if 0 - IEEE80211_NOTE(ni->ni_vap, - IEEE80211_MSG_ASSOC | IEEE80211_MSG_11N, ni, - "no HT40 channel (freq %u), falling back to HT20", - ni->ni_chan->ic_freq); + IEEE80211_NOTE(ni->ni_vap, + IEEE80211_MSG_ASSOC | IEEE80211_MSG_11N, ni, + "no HT40 channel (freq %u), falling back to HT20", + ni->ni_chan->ic_freq); #endif - /* XXX stat */ - } - if (c != NULL && c != ni->ni_chan) { - IEEE80211_NOTE(ni->ni_vap, - IEEE80211_MSG_ASSOC | IEEE80211_MSG_11N, ni, - "switch station to HT%d channel %u/0x%x", - IEEE80211_IS_CHAN_HT40(c) ? 40 : 20, - c->ic_freq, c->ic_flags); - ni->ni_chan = c; - ret = 1; - } - /* NB: caller responsible for forcing any channel change */ + /* XXX stat */ + } + + /* Nothing found - leave it alone; move onto VHT */ + if (c == NULL) + c = ni->ni_chan; + + /* + * If it's non-HT, then bail out now. + */ + if (! IEEE80211_IS_CHAN_HT(c)) { + IEEE80211_NOTE(ni->ni_vap, + IEEE80211_MSG_ASSOC | IEEE80211_MSG_11N, ni, + "not HT; skipping VHT check (%u/0x%x)", + c->ic_freq, c->ic_flags); + goto done; + } + + /* + * Next step - look at the current VHT flags and determine + * if we need to upgrade. Mask out the VHT and HT flags since + * the vhtflags field will already have the correct HT + * flags to use. + */ + if (IEEE80211_CONF_VHT(ic) && ni->ni_vhtcap != 0 && vhtflags != 0) { + chanflags = (c->ic_flags + &~ (IEEE80211_CHAN_HT | IEEE80211_CHAN_VHT)) + | vhtflags; + IEEE80211_NOTE(ni->ni_vap, + IEEE80211_MSG_ASSOC | IEEE80211_MSG_11N, + ni, + "%s: VHT; chanwidth=0x%02x; vhtflags=0x%08x", + __func__, ni->ni_vht_chanwidth, vhtflags); + + IEEE80211_NOTE(ni->ni_vap, + IEEE80211_MSG_ASSOC | IEEE80211_MSG_11N, + ni, + "%s: VHT; trying lookup for %d/0x%08x", + __func__, c->ic_freq, chanflags); + c = ieee80211_find_channel(ic, c->ic_freq, chanflags); + } + + /* Finally, if it's changed */ + if (c != NULL && c != ni->ni_chan) { + IEEE80211_NOTE(ni->ni_vap, + IEEE80211_MSG_ASSOC | IEEE80211_MSG_11N, ni, + "switch station to %s%d channel %u/0x%x", + IEEE80211_IS_CHAN_VHT(c) ? "VHT" : "HT", + IEEE80211_IS_CHAN_VHT80(c) ? 80 : + (IEEE80211_IS_CHAN_HT40(c) ? 40 : 20), + c->ic_freq, c->ic_flags); + ni->ni_chan = c; + ret = 1; } - /* update node's tx channel width */ + /* NB: caller responsible for forcing any channel change */ + +done: + /* update node's (11n) tx channel width */ ni->ni_chw = IEEE80211_IS_CHAN_HT40(ni->ni_chan)? 40 : 20; return (ret); } @@ -1587,30 +1668,155 @@ htcap_update_shortgi(struct ieee80211_node *ni) } /* + * Update LDPC state according to received htcap + * and local settings. + */ +static __inline void +htcap_update_ldpc(struct ieee80211_node *ni) +{ + struct ieee80211vap *vap = ni->ni_vap; + + if ((ni->ni_htcap & IEEE80211_HTCAP_LDPC) && + (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX)) + ni->ni_flags |= IEEE80211_NODE_LDPC; +} + +/* * Parse and update HT-related state extracted from * the HT cap and info ie's. + * + * This is called from the STA management path and + * the ieee80211_node_join() path. It will take into + * account the IEs discovered during scanning and + * adjust things accordingly. */ -int +void ieee80211_ht_updateparams(struct ieee80211_node *ni, const uint8_t *htcapie, const uint8_t *htinfoie) { struct ieee80211vap *vap = ni->ni_vap; const struct ieee80211_ie_htinfo *htinfo; - int htflags; - int ret = 0; ieee80211_parse_htcap(ni, htcapie); if (vap->iv_htcaps & IEEE80211_HTCAP_SMPS) htcap_update_mimo_ps(ni); htcap_update_shortgi(ni); + htcap_update_ldpc(ni); if (htinfoie[0] == IEEE80211_ELEMID_VENDOR) htinfoie += 4; htinfo = (const struct ieee80211_ie_htinfo *) htinfoie; htinfo_parse(ni, htinfo); + /* + * Defer the node channel change; we need to now + * update VHT parameters before we do it. + */ + + if ((htinfo->hi_byte1 & IEEE80211_HTINFO_RIFSMODE_PERM) && + (vap->iv_flags_ht & IEEE80211_FHT_RIFS)) + ni->ni_flags |= IEEE80211_NODE_RIFS; + else + ni->ni_flags &= ~IEEE80211_NODE_RIFS; +} + +static uint32_t +ieee80211_vht_get_vhtflags(struct ieee80211_node *ni, uint32_t htflags) +{ + struct ieee80211vap *vap = ni->ni_vap; + uint32_t vhtflags = 0; + + vhtflags = 0; + if (ni->ni_flags & IEEE80211_NODE_VHT && vap->iv_flags_vht & IEEE80211_FVHT_VHT) { + if ((ni->ni_vht_chanwidth == IEEE80211_VHT_CHANWIDTH_160MHZ) && + /* XXX 2 means "160MHz and 80+80MHz", 1 means "160MHz" */ + (MS(vap->iv_vhtcaps, + IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) >= 1) && + (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT160)) { + vhtflags = IEEE80211_CHAN_VHT160; + /* Mirror the HT40 flags */ + if (htflags == IEEE80211_CHAN_HT40U) { + vhtflags |= IEEE80211_CHAN_HT40U; + } else if (htflags == IEEE80211_CHAN_HT40D) { + vhtflags |= IEEE80211_CHAN_HT40D; + } + } else if ((ni->ni_vht_chanwidth == IEEE80211_VHT_CHANWIDTH_80P80MHZ) && + /* XXX 2 means "160MHz and 80+80MHz" */ + (MS(vap->iv_vhtcaps, + IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) == 2) && + (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80P80)) { + vhtflags = IEEE80211_CHAN_VHT80_80; + /* Mirror the HT40 flags */ + if (htflags == IEEE80211_CHAN_HT40U) { + vhtflags |= IEEE80211_CHAN_HT40U; + } else if (htflags == IEEE80211_CHAN_HT40D) { + vhtflags |= IEEE80211_CHAN_HT40D; + } + } else if ((ni->ni_vht_chanwidth == IEEE80211_VHT_CHANWIDTH_80MHZ) && + (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80)) { + vhtflags = IEEE80211_CHAN_VHT80; + /* Mirror the HT40 flags */ + if (htflags == IEEE80211_CHAN_HT40U) { + vhtflags |= IEEE80211_CHAN_HT40U; + } else if (htflags == IEEE80211_CHAN_HT40D) { + vhtflags |= IEEE80211_CHAN_HT40D; + } + } else if (ni->ni_vht_chanwidth == IEEE80211_VHT_CHANWIDTH_USE_HT) { + /* Mirror the HT40 flags */ + /* + * XXX TODO: if ht40 is disabled, but vht40 isn't + * disabled then this logic will get very, very sad. + * It's quite possible the only sane thing to do is + * to not have vht40 as an option, and just obey + * 'ht40' as that flag. + */ + if ((htflags == IEEE80211_CHAN_HT40U) && + (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT40)) { + vhtflags = IEEE80211_CHAN_VHT40U + | IEEE80211_CHAN_HT40U; + } else if (htflags == IEEE80211_CHAN_HT40D && + (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT40)) { + vhtflags = IEEE80211_CHAN_VHT40D + | IEEE80211_CHAN_HT40D; + } else if (htflags == IEEE80211_CHAN_HT20) { + vhtflags = IEEE80211_CHAN_VHT20 + | IEEE80211_CHAN_HT20; + } + } else { + vhtflags = IEEE80211_CHAN_VHT20; + } + } + return (vhtflags); +} + +/* + * Final part of updating the HT parameters. + * + * This is called from the STA management path and + * the ieee80211_node_join() path. It will take into + * account the IEs discovered during scanning and + * adjust things accordingly. + * + * This is done after a call to ieee80211_ht_updateparams() + * because it (and the upcoming VHT version of updateparams) + * needs to ensure everything is parsed before htinfo_update_chw() + * is called - which will change the channel config for the + * node for us. + */ +int +ieee80211_ht_updateparams_final(struct ieee80211_node *ni, + const uint8_t *htcapie, const uint8_t *htinfoie) +{ + struct ieee80211vap *vap = ni->ni_vap; + const struct ieee80211_ie_htinfo *htinfo; + int htflags, vhtflags; + int ret = 0; + + htinfo = (const struct ieee80211_ie_htinfo *) htinfoie; + htflags = (vap->iv_flags_ht & IEEE80211_FHT_HT) ? IEEE80211_CHAN_HT20 : 0; + /* NB: honor operating mode constraint */ if ((htinfo->hi_byte1 & IEEE80211_HTINFO_TXWIDTH_2040) && (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)) { @@ -1619,14 +1825,16 @@ ieee80211_ht_updateparams(struct ieee80211_node *ni, else if (ni->ni_ht2ndchan == IEEE80211_HTINFO_2NDCHAN_BELOW) htflags = IEEE80211_CHAN_HT40D; } - if (htinfo_update_chw(ni, htflags)) - ret = 1; - if ((htinfo->hi_byte1 & IEEE80211_HTINFO_RIFSMODE_PERM) && - (vap->iv_flags_ht & IEEE80211_FHT_RIFS)) - ni->ni_flags |= IEEE80211_NODE_RIFS; - else - ni->ni_flags &= ~IEEE80211_NODE_RIFS; + /* + * VHT flags - do much the same; check whether VHT is available + * and if so, what our ideal channel use would be based on our + * capabilities and the (pre-parsed) VHT info IE. + */ + vhtflags = ieee80211_vht_get_vhtflags(ni, htflags); + + if (htinfo_update_chw(ni, htflags, vhtflags)) + ret = 1; return (ret); } @@ -1634,17 +1842,32 @@ ieee80211_ht_updateparams(struct ieee80211_node *ni, /* * Parse and update HT-related state extracted from the HT cap ie * for a station joining an HT BSS. + * + * This is called from the hostap path for each station. */ void ieee80211_ht_updatehtcap(struct ieee80211_node *ni, const uint8_t *htcapie) { struct ieee80211vap *vap = ni->ni_vap; - int htflags; ieee80211_parse_htcap(ni, htcapie); if (vap->iv_htcaps & IEEE80211_HTCAP_SMPS) htcap_update_mimo_ps(ni); htcap_update_shortgi(ni); + htcap_update_ldpc(ni); +} + +/* + * Called once HT and VHT capabilities are parsed in hostap mode - + * this will adjust the channel configuration of the given node + * based on the configuration and capabilities. + */ +void +ieee80211_ht_updatehtcap_final(struct ieee80211_node *ni) +{ + struct ieee80211vap *vap = ni->ni_vap; + int htflags; + int vhtflags; /* NB: honor operating mode constraint */ /* XXX 40 MHz intolerant */ @@ -1657,7 +1880,14 @@ ieee80211_ht_updatehtcap(struct ieee80211_node *ni, const uint8_t *htcapie) else if (IEEE80211_IS_CHAN_HT40D(vap->iv_bss->ni_chan)) htflags = IEEE80211_CHAN_HT40D; } - (void) htinfo_update_chw(ni, htflags); + /* + * VHT flags - do much the same; check whether VHT is available + * and if so, what our ideal channel use would be based on our + * capabilities and the (pre-parsed) VHT info IE. + */ + vhtflags = ieee80211_vht_get_vhtflags(ni, htflags); + + (void) htinfo_update_chw(ni, htflags, vhtflags); } /* @@ -2137,6 +2367,7 @@ ht_recv_action_ht_txchwidth(struct ieee80211_node *ni, "%s: HT txchwidth, width %d%s", __func__, chw, ni->ni_chw != chw ? "*" : ""); if (chw != ni->ni_chw) { + /* XXX does this need to change the ht40 station count? */ ni->ni_chw = chw; /* XXX notify on change */ } @@ -2231,6 +2462,10 @@ ieee80211_ampdu_request(struct ieee80211_node *ni, dialogtoken = (tokens+1) % 63; /* XXX */ tid = tap->txa_tid; + + /* + * XXX TODO: This is racy with any other parallel TX going on. :( + */ tap->txa_start = ni->ni_txseqs[tid]; args[0] = dialogtoken; @@ -2826,7 +3061,9 @@ ieee80211_add_htcap_body(uint8_t *frm, struct ieee80211_node *ni) if ((vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) == 0) caps &= ~IEEE80211_HTCAP_RXSTBC; - /* XXX TODO: adjust LDPC based on receive capabilities */ + /* adjust LDPC based on receive capabilites */ + if ((vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) == 0) + caps &= ~IEEE80211_HTCAP_LDPC; ADDSHORT(frm, caps); diff --git a/freebsd/sys/net80211/ieee80211_ht.h b/freebsd/sys/net80211/ieee80211_ht.h index dfc7d1c3..5b818a28 100644 --- a/freebsd/sys/net80211/ieee80211_ht.h +++ b/freebsd/sys/net80211/ieee80211_ht.h @@ -177,8 +177,7 @@ struct ieee80211_mcs_rates { uint16_t ht40_rate_400ns; }; extern const struct ieee80211_mcs_rates ieee80211_htrates[]; -const struct ieee80211_htrateset *ieee80211_get_suphtrates( - struct ieee80211com *, const struct ieee80211_channel *); +void ieee80211_init_suphtrates(struct ieee80211com *); struct ieee80211_node; int ieee80211_setup_htrates(struct ieee80211_node *, @@ -201,9 +200,12 @@ void ieee80211_htprot_update(struct ieee80211com *, int protmode); void ieee80211_ht_timeout(struct ieee80211com *); void ieee80211_parse_htcap(struct ieee80211_node *, const uint8_t *); void ieee80211_parse_htinfo(struct ieee80211_node *, const uint8_t *); -int ieee80211_ht_updateparams(struct ieee80211_node *, const uint8_t *, +void ieee80211_ht_updateparams(struct ieee80211_node *, const uint8_t *, const uint8_t *); +int ieee80211_ht_updateparams_final(struct ieee80211_node *, + const uint8_t *, const uint8_t *); void ieee80211_ht_updatehtcap(struct ieee80211_node *, const uint8_t *); +void ieee80211_ht_updatehtcap_final(struct ieee80211_node *); int ieee80211_ampdu_request(struct ieee80211_node *, struct ieee80211_tx_ampdu *); void ieee80211_ampdu_stop(struct ieee80211_node *, diff --git a/freebsd/sys/net80211/ieee80211_input.c b/freebsd/sys/net80211/ieee80211_input.c index 0e427f84..22d9a565 100644 --- a/freebsd/sys/net80211/ieee80211_input.c +++ b/freebsd/sys/net80211/ieee80211_input.c @@ -496,6 +496,8 @@ ieee80211_parse_beacon(struct ieee80211_node *ni, struct mbuf *m, scan->status = 0; /* * beacon/probe response frame format + * + * XXX Update from 802.11-2012 - eg where HT is * [8] time stamp * [2] beacon interval * [2] capability information @@ -510,6 +512,8 @@ ieee80211_parse_beacon(struct ieee80211_node *ni, struct mbuf *m, * [tlv] WPA or RSN * [tlv] HT capabilities * [tlv] HT information + * [tlv] VHT capabilities + * [tlv] VHT information * [tlv] Atheros capabilities * [tlv] Mesh ID * [tlv] Mesh Configuration @@ -587,6 +591,12 @@ ieee80211_parse_beacon(struct ieee80211_node *ni, struct mbuf *m, case IEEE80211_ELEMID_HTCAP: scan->htcap = frm; break; + case IEEE80211_ELEMID_VHT_CAP: + scan->vhtcap = frm; + break; + case IEEE80211_ELEMID_VHT_OPMODE: + scan->vhtopmode = frm; + break; case IEEE80211_ELEMID_RSN: scan->rsn = frm; break; @@ -720,6 +730,19 @@ ieee80211_parse_beacon(struct ieee80211_node *ni, struct mbuf *m, sizeof(struct ieee80211_ie_htinfo)-2, scan->htinfo = NULL); } + + /* Process VHT IEs */ + if (scan->vhtcap != NULL) { + IEEE80211_VERIFY_LENGTH(scan->vhtcap[1], + sizeof(struct ieee80211_ie_vhtcap) - 2, + scan->vhtcap = NULL); + } + if (scan->vhtopmode != NULL) { + IEEE80211_VERIFY_LENGTH(scan->vhtopmode[1], + sizeof(struct ieee80211_ie_vht_operation) - 2, + scan->vhtopmode = NULL); + } + return scan->status; } @@ -840,6 +863,9 @@ ieee80211_parse_action(struct ieee80211_node *ni, struct mbuf *m) } break; #endif + case IEEE80211_ACTION_CAT_VHT: + printf("%s: TODO: VHT handling!\n", __func__); + break; } return 0; } diff --git a/freebsd/sys/net80211/ieee80211_input.h b/freebsd/sys/net80211/ieee80211_input.h index 6fb0d707..0ae8dd08 100644 --- a/freebsd/sys/net80211/ieee80211_input.h +++ b/freebsd/sys/net80211/ieee80211_input.h @@ -149,6 +149,12 @@ ishtinfooui(const uint8_t *frm) * (as the seqnum wraps), handle that special case so packets aren't * incorrectly dropped - ie, if the next packet is sequence number 0 * but a retransmit since the initial packet didn't make it. + * + * XXX TODO: handle sequence number space wrapping with dropped frames; + * especially in high interference conditions under high traffic load + * The RX AMPDU reorder code also needs it. + * + * XXX TODO: update for 802.11-2012 9.3.2.10 Duplicate Detection and Recovery. */ static __inline int ieee80211_check_rxseq(struct ieee80211_node *ni, struct ieee80211_frame *wh, @@ -175,6 +181,13 @@ ieee80211_check_rxseq(struct ieee80211_node *ni, struct ieee80211_frame *wh, if (! IEEE80211_HAS_SEQ(type, subtype)) return 1; + /* + * Always allow multicast frames for now - QoS (any TID) + * or not. + */ + if (IEEE80211_IS_MULTICAST(wh->i_addr1)) + return 1; + tid = ieee80211_gettid(wh); /* diff --git a/freebsd/sys/net80211/ieee80211_ioctl.c b/freebsd/sys/net80211/ieee80211_ioctl.c index c0813a78..4b874574 100644 --- a/freebsd/sys/net80211/ieee80211_ioctl.c +++ b/freebsd/sys/net80211/ieee80211_ioctl.c @@ -1138,6 +1138,13 @@ ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) ireq->i_val |= 2; break; + case IEEE80211_IOC_LDPC: + ireq->i_val = 0; + if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) + ireq->i_val |= 1; + if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) + ireq->i_val |= 2; + break; /* VHT */ case IEEE80211_IOC_VHTCONF: @@ -2221,13 +2228,19 @@ checkrate(const struct ieee80211_rateset *rs, int rate) } static int -checkmcs(int mcs) +checkmcs(const struct ieee80211_htrateset *rs, int mcs) { + int rate_val = IEEE80211_RV(mcs); + int i; + if (mcs == IEEE80211_FIXED_RATE_NONE) return 1; if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ return 0; - return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ + for (i = 0; i < rs->rs_nrates; i++) + if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) + return 1; + return 0; } static int @@ -2237,6 +2250,7 @@ ieee80211_ioctl_settxparams(struct ieee80211vap *vap, struct ieee80211com *ic = vap->iv_ic; struct ieee80211_txparams_req parms; /* XXX stack use? */ struct ieee80211_txparam *src, *dst; + const struct ieee80211_htrateset *rs_ht; const struct ieee80211_rateset *rs; int error, mode, changed, is11n, nmodes; @@ -2255,23 +2269,24 @@ ieee80211_ioctl_settxparams(struct ieee80211vap *vap, src = &parms.params[mode]; dst = &vap->iv_txparms[mode]; rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ + rs_ht = &ic->ic_sup_htrates; is11n = (mode == IEEE80211_MODE_11NA || mode == IEEE80211_MODE_11NG); if (src->ucastrate != dst->ucastrate) { if (!checkrate(rs, src->ucastrate) && - (!is11n || !checkmcs(src->ucastrate))) + (!is11n || !checkmcs(rs_ht, src->ucastrate))) return EINVAL; changed++; } if (src->mcastrate != dst->mcastrate) { if (!checkrate(rs, src->mcastrate) && - (!is11n || !checkmcs(src->mcastrate))) + (!is11n || !checkmcs(rs_ht, src->mcastrate))) return EINVAL; changed++; } if (src->mgmtrate != dst->mgmtrate) { if (!checkrate(rs, src->mgmtrate) && - (!is11n || !checkmcs(src->mgmtrate))) + (!is11n || !checkmcs(rs_ht, src->mgmtrate))) return EINVAL; changed++; } @@ -3374,6 +3389,31 @@ ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211r if (isvapht(vap)) error = ERESTART; break; + case IEEE80211_IOC_LDPC: + /* Check if we can do LDPC TX/RX before changing the setting */ + if ((ireq->i_val & 1) && + (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) + return EOPNOTSUPP; + if ((ireq->i_val & 2) && + (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) + return EOPNOTSUPP; + + /* TX */ + if (ireq->i_val & 1) + vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; + else + vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; + + /* RX */ + if (ireq->i_val & 2) + vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; + else + vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; + + /* NB: reset only if we're operating on an 11n channel */ + if (isvapht(vap)) + error = ERESTART; + break; /* VHT */ case IEEE80211_IOC_VHTCONF: diff --git a/freebsd/sys/net80211/ieee80211_node.c b/freebsd/sys/net80211/ieee80211_node.c index c9c6df96..b15a782f 100644 --- a/freebsd/sys/net80211/ieee80211_node.c +++ b/freebsd/sys/net80211/ieee80211_node.c @@ -55,6 +55,7 @@ __FBSDID("$FreeBSD$"); #include <net80211/ieee80211_wds.h> #include <net80211/ieee80211_mesh.h> #include <net80211/ieee80211_ratectl.h> +#include <net80211/ieee80211_vht.h> #include <net/bpf.h> @@ -350,7 +351,6 @@ ieee80211_create_ibss(struct ieee80211vap* vap, struct ieee80211_channel *chan) ni->ni_fhindex = 1; } if (vap->iv_opmode == IEEE80211_M_IBSS) { - vap->iv_flags |= IEEE80211_F_SIBSS; ni->ni_capinfo |= IEEE80211_CAPINFO_IBSS; /* XXX */ if (vap->iv_flags & IEEE80211_F_DESBSSID) IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_des_bssid); @@ -414,7 +414,11 @@ ieee80211_create_ibss(struct ieee80211vap* vap, struct ieee80211_channel *chan) /* XXX TODO: other bits and pieces - eg fast-frames? */ /* If we're an 11n channel then initialise the 11n bits */ - if (IEEE80211_IS_CHAN_HT(ni->ni_chan)) { + if (IEEE80211_IS_CHAN_VHT(ni->ni_chan)) { + /* XXX what else? */ + ieee80211_ht_node_init(ni); + ieee80211_vht_node_init(ni); + } else if (IEEE80211_IS_CHAN_HT(ni->ni_chan)) { /* XXX what else? */ ieee80211_ht_node_init(ni); } @@ -710,9 +714,42 @@ gethtadjustflags(struct ieee80211com *ic) } /* + * Calculate VHT channel promotion flags for all vaps. + * This assumes ni_chan have been setup for each vap. + */ +static int +getvhtadjustflags(struct ieee80211com *ic) +{ + struct ieee80211vap *vap; + int flags; + + flags = 0; + /* XXX locking */ + TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { + if (vap->iv_state < IEEE80211_S_RUN) + continue; + switch (vap->iv_opmode) { + case IEEE80211_M_WDS: + case IEEE80211_M_STA: + case IEEE80211_M_AHDEMO: + case IEEE80211_M_HOSTAP: + case IEEE80211_M_IBSS: + case IEEE80211_M_MBSS: + flags |= ieee80211_vhtchanflags(vap->iv_bss->ni_chan); + break; + default: + break; + } + } + return flags; +} + +/* * Check if the current channel needs to change based on whether * any vap's are using HT20/HT40. This is used to sync the state * of ic_curchan after a channel width change on a running vap. + * + * Same applies for VHT. */ void ieee80211_sync_curchan(struct ieee80211com *ic) @@ -720,6 +757,8 @@ ieee80211_sync_curchan(struct ieee80211com *ic) struct ieee80211_channel *c; c = ieee80211_ht_adjust_channel(ic, ic->ic_curchan, gethtadjustflags(ic)); + c = ieee80211_vht_adjust_channel(ic, c, getvhtadjustflags(ic)); + if (c != ic->ic_curchan) { ic->ic_curchan = c; ic->ic_curmode = ieee80211_chan2mode(ic->ic_curchan); @@ -745,10 +784,23 @@ ieee80211_setupcurchan(struct ieee80211com *ic, struct ieee80211_channel *c) * set of running vap's. This assumes we are called * after ni_chan is setup for each vap. */ + /* XXX VHT? */ /* NB: this assumes IEEE80211_FHT_USEHT40 > IEEE80211_FHT_HT */ if (flags > ieee80211_htchanflags(c)) c = ieee80211_ht_adjust_channel(ic, c, flags); } + + /* + * VHT promotion - this will at least promote to VHT20/40 + * based on what HT has done; it may further promote the + * channel to VHT80 or above. + */ + if (ic->ic_vhtcaps != 0) { + int flags = getvhtadjustflags(ic); + if (flags > ieee80211_vhtchanflags(c)) + c = ieee80211_vht_adjust_channel(ic, c, flags); + } + ic->ic_bsschan = ic->ic_curchan = c; ic->ic_curmode = ieee80211_chan2mode(ic->ic_curchan); ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); @@ -851,6 +903,7 @@ ieee80211_sta_join(struct ieee80211vap *vap, struct ieee80211_channel *chan, { struct ieee80211com *ic = vap->iv_ic; struct ieee80211_node *ni; + int do_ht = 0; ni = ieee80211_alloc_node(&ic->ic_sta, vap, se->se_macaddr); if (ni == NULL) { @@ -898,9 +951,13 @@ ieee80211_sta_join(struct ieee80211vap *vap, struct ieee80211_channel *chan, if (ni->ni_ies.tdma_ie != NULL) ieee80211_parse_tdma(ni, ni->ni_ies.tdma_ie); #endif + if (ni->ni_ies.vhtcap_ie != NULL) + ieee80211_parse_vhtcap(ni, ni->ni_ies.vhtcap_ie); + if (ni->ni_ies.vhtopmode_ie != NULL) + ieee80211_parse_vhtopmode(ni, ni->ni_ies.vhtopmode_ie); - /* XXX parse VHT IEs */ /* XXX parse BSSLOAD IE */ + /* XXX parse TXPWRENV IE */ /* XXX parse APCHANREP IE */ } @@ -928,10 +985,43 @@ ieee80211_sta_join(struct ieee80211vap *vap, struct ieee80211_channel *chan, ieee80211_ht_updateparams(ni, ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie); + do_ht = 1; + } + + /* + * Setup VHT state for this node if it's available. + * Same as the above. + * + * For now, don't allow 2GHz VHT operation. + */ + if (ni->ni_ies.vhtopmode_ie != NULL && + ni->ni_ies.vhtcap_ie != NULL && + vap->iv_flags_vht & IEEE80211_FVHT_VHT) { + if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) { + printf("%s: BSS %6D: 2GHz channel, VHT info; ignoring\n", + __func__, + ni->ni_macaddr, + ":"); + } else { + ieee80211_vht_node_init(ni); + ieee80211_vht_updateparams(ni, + ni->ni_ies.vhtcap_ie, + ni->ni_ies.vhtopmode_ie); + ieee80211_setup_vht_rates(ni, ni->ni_ies.vhtcap_ie, + ni->ni_ies.vhtopmode_ie); + do_ht = 1; + } + } + + /* Finally do the node channel change */ + if (do_ht) { + ieee80211_ht_updateparams_final(ni, ni->ni_ies.htcap_ie, + ni->ni_ies.htinfo_ie); ieee80211_setup_htrates(ni, ni->ni_ies.htcap_ie, IEEE80211_F_JOIN | IEEE80211_F_DOBRS); ieee80211_setup_basic_htrates(ni, ni->ni_ies.htinfo_ie); } + /* XXX else check for ath FF? */ /* XXX QoS? Difficult given that WME config is specific to a master */ @@ -1104,8 +1194,10 @@ node_cleanup(struct ieee80211_node *ni) "power save mode off, %u sta's in ps mode", vap->iv_ps_sta); } /* - * Cleanup any HT-related state. + * Cleanup any VHT and HT-related state. */ + if (ni->ni_flags & IEEE80211_NODE_VHT) + ieee80211_vht_node_cleanup(ni); if (ni->ni_flags & IEEE80211_NODE_HT) ieee80211_ht_node_cleanup(ni); #ifdef IEEE80211_SUPPORT_SUPERG @@ -1228,15 +1320,16 @@ node_getmimoinfo(const struct ieee80211_node *ni, bzero(info, sizeof(*info)); - for (i = 0; i < ni->ni_mimo_chains; i++) { + for (i = 0; i < MIN(IEEE80211_MAX_CHAINS, ni->ni_mimo_chains); i++) { + /* Note: for now, just pri20 channel info */ avgrssi = ni->ni_mimo_rssi_ctl[i]; if (avgrssi == IEEE80211_RSSI_DUMMY_MARKER) { - info->rssi[i] = 0; + info->ch[i].rssi[0] = 0; } else { rssi = IEEE80211_RSSI_GET(avgrssi); - info->rssi[i] = rssi < 0 ? 0 : rssi > 127 ? 127 : rssi; + info->ch[i].rssi[0] = rssi < 0 ? 0 : rssi > 127 ? 127 : rssi; } - info->noise[i] = ni->ni_mimo_noise_ctl[i]; + info->ch[i].noise[0] = ni->ni_mimo_noise_ctl[i]; } /* XXX ext radios? */ @@ -1425,6 +1518,7 @@ ieee80211_node_create_wds(struct ieee80211vap *vap, if (vap->iv_flags & IEEE80211_F_FF) ni->ni_flags |= IEEE80211_NODE_FF; #endif + /* XXX VHT */ if ((ic->ic_htcaps & IEEE80211_HTC_HT) && (vap->iv_flags_ht & IEEE80211_FHT_HT)) { /* @@ -1433,6 +1527,9 @@ ieee80211_node_create_wds(struct ieee80211vap *vap, * ni_chan will be adjusted to an HT channel. */ ieee80211_ht_wds_init(ni); + if (vap->iv_flags_vht & IEEE80211_FVHT_VHT) { + printf("%s: TODO: vht_wds_init\n", __func__); + } } else { struct ieee80211_channel *c = ni->ni_chan; /* @@ -1640,7 +1737,7 @@ ieee80211_init_neighbor(struct ieee80211_node *ni, const struct ieee80211_frame *wh, const struct ieee80211_scanparams *sp) { - int do_ht_setup = 0; + int do_ht_setup = 0, do_vht_setup = 0; ni->ni_esslen = sp->ssid[1]; memcpy(ni->ni_essid, sp->ssid + 2, sp->ssid[1]); @@ -1672,11 +1769,23 @@ ieee80211_init_neighbor(struct ieee80211_node *ni, if (ni->ni_ies.htinfo_ie != NULL) ieee80211_parse_htinfo(ni, ni->ni_ies.htinfo_ie); + if (ni->ni_ies.vhtcap_ie != NULL) + ieee80211_parse_vhtcap(ni, ni->ni_ies.vhtcap_ie); + if (ni->ni_ies.vhtopmode_ie != NULL) + ieee80211_parse_vhtopmode(ni, ni->ni_ies.vhtopmode_ie); + if ((ni->ni_ies.htcap_ie != NULL) && (ni->ni_ies.htinfo_ie != NULL) && (ni->ni_vap->iv_flags_ht & IEEE80211_FHT_HT)) { do_ht_setup = 1; } + + if ((ni->ni_ies.vhtcap_ie != NULL) && + (ni->ni_ies.vhtopmode_ie != NULL) && + (ni->ni_vap->iv_flags_vht & IEEE80211_FVHT_VHT)) { + do_vht_setup = 1; + } + } /* NB: must be after ni_chan is setup */ @@ -1694,15 +1803,40 @@ ieee80211_init_neighbor(struct ieee80211_node *ni, ieee80211_ht_updateparams(ni, ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie); + + if (do_vht_setup) { + if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) { + printf("%s: BSS %6D: 2GHz channel, VHT info; ignoring\n", + __func__, + ni->ni_macaddr, + ":"); + } else { + ieee80211_vht_node_init(ni); + ieee80211_vht_updateparams(ni, + ni->ni_ies.vhtcap_ie, + ni->ni_ies.vhtopmode_ie); + ieee80211_setup_vht_rates(ni, + ni->ni_ies.vhtcap_ie, + ni->ni_ies.vhtopmode_ie); + } + } + + /* + * Finally do the channel upgrade/change based + * on the HT/VHT configuration. + */ + ieee80211_ht_updateparams_final(ni, ni->ni_ies.htcap_ie, + ni->ni_ies.htinfo_ie); ieee80211_setup_htrates(ni, ni->ni_ies.htcap_ie, IEEE80211_F_JOIN | IEEE80211_F_DOBRS); ieee80211_setup_basic_htrates(ni, ni->ni_ies.htinfo_ie); + ieee80211_node_setuptxparms(ni); ieee80211_ratectl_node_init(ni); - /* Reassociate; we're now 11n */ + /* Reassociate; we're now 11n/11ac */ /* * XXX TODO: this is the wrong thing to do - * we're calling it with isnew=1 so the ath(4) @@ -2367,6 +2501,7 @@ ieee80211_node_timeout(void *arg) IEEE80211_LOCK(ic); ieee80211_erp_timeout(ic); ieee80211_ht_timeout(ic); + ieee80211_vht_timeout(ic); IEEE80211_UNLOCK(ic); } callout_reset(&ic->ic_inact, IEEE80211_INACT_WAIT*hz, @@ -2464,8 +2599,12 @@ ieee80211_dump_node(struct ieee80211_node_table *nt, struct ieee80211_node *ni) printf("\thtcap %x htparam %x htctlchan %u ht2ndchan %u\n", ni->ni_htcap, ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan); - printf("\thtopmode %x htstbc %x chw %u\n", + printf("\thtopmode %x htstbc %x htchw %u\n", ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw); + printf("\tvhtcap %x freq1 %d freq2 %d vhtbasicmcs %x\n", + ni->ni_vhtcap, (int) ni->ni_vht_chan1, (int) ni->ni_vht_chan2, + (int) ni->ni_vht_basicmcs); + /* XXX VHT state */ } void @@ -2596,6 +2735,8 @@ ieee80211_node_join(struct ieee80211_node *ni, int resp) if (IEEE80211_IS_CHAN_HT(ic->ic_bsschan)) ieee80211_ht_node_join(ni); + if (IEEE80211_IS_CHAN_VHT(ic->ic_bsschan)) + ieee80211_vht_node_join(ni); if (IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan) && IEEE80211_IS_CHAN_FULL(ic->ic_bsschan)) ieee80211_node_join_11g(ni); @@ -2605,6 +2746,9 @@ ieee80211_node_join(struct ieee80211_node *ni, int resp) } else newassoc = 0; + /* + * XXX VHT - should log VHT channel width, etc + */ IEEE80211_NOTE(vap, IEEE80211_MSG_ASSOC | IEEE80211_MSG_DEBUG, ni, "station associated at aid %d: %s preamble, %s slot time%s%s%s%s%s%s%s%s", IEEE80211_NODE_AID(ni), @@ -2612,6 +2756,7 @@ ieee80211_node_join(struct ieee80211_node *ni, int resp) ic->ic_flags & IEEE80211_F_SHSLOT ? "short" : "long", ic->ic_flags & IEEE80211_F_USEPROT ? ", protection" : "", ni->ni_flags & IEEE80211_NODE_QOS ? ", QoS" : "", + /* XXX update for VHT string */ ni->ni_flags & IEEE80211_NODE_HT ? (ni->ni_chw == 40 ? ", HT40" : ", HT20") : "", ni->ni_flags & IEEE80211_NODE_AMPDU ? " (+AMPDU)" : "", @@ -2776,6 +2921,8 @@ ieee80211_node_leave(struct ieee80211_node *ni) vap->iv_sta_assoc--; ic->ic_sta_assoc--; + if (IEEE80211_IS_CHAN_VHT(ic->ic_bsschan)) + ieee80211_vht_node_leave(ni); if (IEEE80211_IS_CHAN_HT(ic->ic_bsschan)) ieee80211_ht_node_leave(ni); if (IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan) && diff --git a/freebsd/sys/net80211/ieee80211_node.h b/freebsd/sys/net80211/ieee80211_node.h index 7ca24c18..26c05567 100644 --- a/freebsd/sys/net80211/ieee80211_node.h +++ b/freebsd/sys/net80211/ieee80211_node.h @@ -143,6 +143,7 @@ struct ieee80211_node { #define IEEE80211_NODE_AMSDU_RX 0x040000 /* AMSDU rx enabled */ #define IEEE80211_NODE_AMSDU_TX 0x080000 /* AMSDU tx enabled */ #define IEEE80211_NODE_VHT 0x100000 /* VHT enabled */ +#define IEEE80211_NODE_LDPC 0x200000 /* LDPC enabled */ uint16_t ni_associd; /* association ID */ uint16_t ni_vlan; /* vlan tag */ uint16_t ni_txpower; /* current transmit power */ @@ -248,6 +249,11 @@ struct ieee80211_node { struct ieee80211vap *ni_wdsvap; /* associated WDS vap */ void *ni_rctls; /* private ratectl state */ + + /* quiet time IE state for the given node */ + uint32_t ni_quiet_ie_set; /* Quiet time IE was seen */ + struct ieee80211_quiet_ie ni_quiet_ie; /* last seen quiet IE */ + uint64_t ni_spare[3]; }; MALLOC_DECLARE(M_80211_NODE); diff --git a/freebsd/sys/net80211/ieee80211_output.c b/freebsd/sys/net80211/ieee80211_output.c index c9251796..bb42f945 100644 --- a/freebsd/sys/net80211/ieee80211_output.c +++ b/freebsd/sys/net80211/ieee80211_output.c @@ -60,6 +60,7 @@ __FBSDID("$FreeBSD$"); #endif #include <net80211/ieee80211_wds.h> #include <net80211/ieee80211_mesh.h> +#include <net80211/ieee80211_vht.h> #if defined(INET) || defined(INET6) #include <netinet/in.h> @@ -123,9 +124,7 @@ ieee80211_vap_pkt_send_dest(struct ieee80211vap *vap, struct mbuf *m, { struct ieee80211com *ic = vap->iv_ic; struct ifnet *ifp = vap->iv_ifp; -#ifdef IEEE80211_SUPPORT_SUPERG int mcast; -#endif if ((ni->ni_flags & IEEE80211_NODE_PWR_MGT) && (m->m_flags & M_PWR_SAV) == 0) { @@ -165,9 +164,7 @@ ieee80211_vap_pkt_send_dest(struct ieee80211vap *vap, struct mbuf *m, * interface it (might have been) received on. */ m->m_pkthdr.rcvif = (void *)ni; -#ifdef IEEE80211_SUPPORT_SUPERG mcast = (m->m_flags & (M_MCAST | M_BCAST)) ? 1: 0; -#endif BPF_MTAP(ifp, m); /* 802.3 tx */ @@ -182,10 +179,15 @@ ieee80211_vap_pkt_send_dest(struct ieee80211vap *vap, struct mbuf *m, * The default ic_ampdu_enable routine handles staggering * ADDBA requests in case the receiver NAK's us or we are * otherwise unable to establish a BA stream. + * + * Don't treat group-addressed frames as candidates for aggregation; + * net80211 doesn't support 802.11aa-2012 and so group addressed + * frames will always have sequence numbers allocated from the NON_QOS + * TID. */ if ((ni->ni_flags & IEEE80211_NODE_AMPDU_TX) && (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)) { - if ((m->m_flags & M_EAPOL) == 0) { + if ((m->m_flags & M_EAPOL) == 0 && (! mcast)) { int tid = WME_AC_TO_TID(M_WME_GETAC(m)); struct ieee80211_tx_ampdu *tap = &ni->ni_tx_ampdu[tid]; @@ -766,13 +768,31 @@ ieee80211_send_setup( } *(uint16_t *)&wh->i_dur[0] = 0; + /* + * XXX TODO: this is what the TX lock is for. + * Here we're incrementing sequence numbers, and they + * need to be in lock-step with what the driver is doing + * both in TX ordering and crypto encap (IV increment.) + * + * If the driver does seqno itself, then we can skip + * assigning sequence numbers here, and we can avoid + * requiring the TX lock. + */ tap = &ni->ni_tx_ampdu[tid]; - if (tid != IEEE80211_NONQOS_TID && IEEE80211_AMPDU_RUNNING(tap)) + if (tid != IEEE80211_NONQOS_TID && IEEE80211_AMPDU_RUNNING(tap)) { m->m_flags |= M_AMPDU_MPDU; - else { + } else { if (IEEE80211_HAS_SEQ(type & IEEE80211_FC0_TYPE_MASK, type & IEEE80211_FC0_SUBTYPE_MASK)) - seqno = ni->ni_txseqs[tid]++; + /* + * 802.11-2012 9.3.2.10 - QoS multicast frames + * come out of a different seqno space. + */ + if (IEEE80211_IS_MULTICAST(wh->i_addr1)) { + seqno = ni->ni_txseqs[IEEE80211_NONQOS_TID]++; + } else { + seqno = ni->ni_txseqs[tid]++; + } else seqno = 0; @@ -1230,7 +1250,7 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni, struct ieee80211_frame *wh; struct ieee80211_key *key; struct llc *llc; - int hdrsize, hdrspace, datalen, addqos, txfrag, is4addr; + int hdrsize, hdrspace, datalen, addqos, txfrag, is4addr, is_mcast; ieee80211_seq seqno; int meshhdrsize, meshae; uint8_t *qos; @@ -1238,6 +1258,8 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni, IEEE80211_TX_LOCK_ASSERT(ic); + is_mcast = !! (m->m_flags & (M_MCAST | M_BCAST)); + /* * Copy existing Ethernet header to a safe place. The * rest of the code assumes it's ok to strip it when @@ -1282,11 +1304,19 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni, * ap's require all data frames to be QoS-encapsulated * once negotiated in which case we'll need to make this * configurable. - * NB: mesh data frames are QoS. + * + * Don't send multicast QoS frames. + * Technically multicast frames can be QoS if all stations in the + * BSS are also QoS. + * + * NB: mesh data frames are QoS, including multicast frames. */ - addqos = ((ni->ni_flags & (IEEE80211_NODE_QOS|IEEE80211_NODE_HT)) || + addqos = + (((is_mcast == 0) && (ni->ni_flags & + (IEEE80211_NODE_QOS|IEEE80211_NODE_HT))) || (vap->iv_opmode == IEEE80211_M_MBSS)) && (m->m_flags & M_EAPOL) == 0; + if (addqos) hdrsize = sizeof(struct ieee80211_qosframe); else @@ -1544,8 +1574,29 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni, if (is_amsdu) qos[0] |= IEEE80211_QOS_AMSDU; + /* + * XXX TODO TX lock is needed for atomic updates of sequence + * numbers. If the driver does it, then don't do it here; + * and we don't need the TX lock held. + */ if ((m->m_flags & M_AMPDU_MPDU) == 0) { /* + * 802.11-2012 9.3.2.10 - + * + * If this is a multicast frame then we need + * to ensure that the sequence number comes from + * a separate seqno space and not the TID space. + * + * Otherwise multicast frames may actually cause + * holes in the TX blockack window space and + * upset various things. + */ + if (IEEE80211_IS_MULTICAST(wh->i_addr1)) + seqno = ni->ni_txseqs[IEEE80211_NONQOS_TID]++; + else + seqno = ni->ni_txseqs[tid]++; + + /* * NB: don't assign a sequence # to potential * aggregates; we expect this happens at the * point the frame comes off any aggregation q @@ -1563,6 +1614,11 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni, M_SEQNO_SET(m, seqno); } } else { + /* + * XXX TODO TX lock is needed for atomic updates of sequence + * numbers. If the driver does it, then don't do it here; + * and we don't need the TX lock held. + */ seqno = ni->ni_txseqs[IEEE80211_NONQOS_TID]++; *(uint16_t *)wh->i_seq = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT); @@ -1577,12 +1633,20 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni, __func__); } + /* + * Check if xmit fragmentation is required. + * + * If the hardware does fragmentation offload, then don't bother + * doing it here. + */ + if (IEEE80211_CONF_FRAG_OFFLOAD(ic)) + txfrag = 0; + else + txfrag = (m->m_pkthdr.len > vap->iv_fragthreshold && + !IEEE80211_IS_MULTICAST(wh->i_addr1) && + (vap->iv_caps & IEEE80211_C_TXFRAG) && + (m->m_flags & (M_FF | M_AMPDU_MPDU)) == 0); - /* check if xmit fragmentation is required */ - txfrag = (m->m_pkthdr.len > vap->iv_fragthreshold && - !IEEE80211_IS_MULTICAST(wh->i_addr1) && - (vap->iv_caps & IEEE80211_C_TXFRAG) && - (m->m_flags & (M_FF | M_AMPDU_MPDU)) == 0); if (key != NULL) { /* * IEEE 802.1X: send EAPOL frames always in the clear. @@ -1962,16 +2026,23 @@ ieee80211_add_supportedchannels(uint8_t *frm, struct ieee80211com *ic) * Add an 11h Quiet time element to a frame. */ static uint8_t * -ieee80211_add_quiet(uint8_t *frm, struct ieee80211vap *vap) +ieee80211_add_quiet(uint8_t *frm, struct ieee80211vap *vap, int update) { struct ieee80211_quiet_ie *quiet = (struct ieee80211_quiet_ie *) frm; quiet->quiet_ie = IEEE80211_ELEMID_QUIET; quiet->len = 6; - if (vap->iv_quiet_count_value == 1) - vap->iv_quiet_count_value = vap->iv_quiet_count; - else if (vap->iv_quiet_count_value > 1) - vap->iv_quiet_count_value--; + + /* + * Only update every beacon interval - otherwise probe responses + * would update the quiet count value. + */ + if (update) { + if (vap->iv_quiet_count_value == 1) + vap->iv_quiet_count_value = vap->iv_quiet_count; + else if (vap->iv_quiet_count_value > 1) + vap->iv_quiet_count_value--; + } if (vap->iv_quiet_count_value == 0) { /* value 0 is reserved as per 802.11h standerd */ @@ -2113,6 +2184,7 @@ ieee80211_send_probereq(struct ieee80211_node *ni, * [tlv] RSN (optional) * [tlv] extended supported rates * [tlv] HT cap (optional) + * [tlv] VHT cap (optional) * [tlv] WPA (optional) * [tlv] user-specified ie's */ @@ -2121,7 +2193,8 @@ ieee80211_send_probereq(struct ieee80211_node *ni, 2 + IEEE80211_NWID_LEN + 2 + IEEE80211_RATE_SIZE + sizeof(struct ieee80211_ie_htcap) - + sizeof(struct ieee80211_ie_htinfo) + + sizeof(struct ieee80211_ie_vhtcap) + + sizeof(struct ieee80211_ie_htinfo) /* XXX not needed? */ + sizeof(struct ieee80211_ie_wpa) + 2 + (IEEE80211_RATE_MAXSIZE - IEEE80211_RATE_SIZE) + sizeof(struct ieee80211_ie_wpa) @@ -2161,6 +2234,21 @@ ieee80211_send_probereq(struct ieee80211_node *ni, frm = ieee80211_add_htcap_ch(frm, vap, c); } + /* + * XXX TODO: need to figure out what/how to update the + * VHT channel. + */ +#if 0 + (vap->iv_flags_vht & IEEE80211_FVHT_VHT) { + struct ieee80211_channel *c; + + c = ieee80211_ht_adjust_channel(ic, ic->ic_curchan, + vap->iv_flags_ht); + c = ieee80211_vht_adjust_channel(ic, c, vap->iv_flags_vht); + frm = ieee80211_add_vhtcap_ch(frm, vap, c); + } +#endif + frm = ieee80211_add_wpa(frm, vap); if (vap->iv_appie_probereq != NULL) frm = add_appie(frm, vap->iv_appie_probereq); @@ -2370,6 +2458,7 @@ ieee80211_send_mgmt(struct ieee80211_node *ni, int type, int arg) * [4] power capability (optional) * [28] supported channels (optional) * [tlv] HT capabilities + * [tlv] VHT capabilities * [tlv] WME (optional) * [tlv] Vendor OUI HT capabilities (optional) * [tlv] Atheros capabilities (if negotiated) @@ -2387,6 +2476,7 @@ ieee80211_send_mgmt(struct ieee80211_node *ni, int type, int arg) + 2 + 26 + sizeof(struct ieee80211_wme_info) + sizeof(struct ieee80211_ie_htcap) + + sizeof(struct ieee80211_ie_vhtcap) + 4 + sizeof(struct ieee80211_ie_htcap) #ifdef IEEE80211_SUPPORT_SUPERG + sizeof(struct ieee80211_ath_ie) @@ -2451,6 +2541,14 @@ ieee80211_send_mgmt(struct ieee80211_node *ni, int type, int arg) ni->ni_ies.htcap_ie[0] == IEEE80211_ELEMID_HTCAP) { frm = ieee80211_add_htcap(frm, ni); } + + if ((vap->iv_flags_vht & IEEE80211_FVHT_VHT) && + IEEE80211_IS_CHAN_VHT(ni->ni_chan) && + ni->ni_ies.vhtcap_ie != NULL && + ni->ni_ies.vhtcap_ie[0] == IEEE80211_ELEMID_VHT_CAP) { + frm = ieee80211_add_vhtcap(frm, ni); + } + frm = ieee80211_add_wpa(frm, vap); if ((ic->ic_flags & IEEE80211_F_WME) && ni->ni_ies.wme_ie != NULL) @@ -2494,6 +2592,8 @@ ieee80211_send_mgmt(struct ieee80211_node *ni, int type, int arg) * [tlv] extended supported rates * [tlv] HT capabilities (standard, if STA enabled) * [tlv] HT information (standard, if STA enabled) + * [tlv] VHT capabilities (standard, if STA enabled) + * [tlv] VHT information (standard, if STA enabled) * [tlv] WME (if configured and STA enabled) * [tlv] HT capabilities (vendor OUI, if STA enabled) * [tlv] HT information (vendor OUI, if STA enabled) @@ -2509,6 +2609,8 @@ ieee80211_send_mgmt(struct ieee80211_node *ni, int type, int arg) + 2 + (IEEE80211_RATE_MAXSIZE - IEEE80211_RATE_SIZE) + sizeof(struct ieee80211_ie_htcap) + 4 + sizeof(struct ieee80211_ie_htinfo) + 4 + + sizeof(struct ieee80211_ie_vhtcap) + + sizeof(struct ieee80211_ie_vht_operation) + sizeof(struct ieee80211_wme_param) #ifdef IEEE80211_SUPPORT_SUPERG + sizeof(struct ieee80211_ath_ie) @@ -2547,6 +2649,10 @@ ieee80211_send_mgmt(struct ieee80211_node *ni, int type, int arg) frm = ieee80211_add_htcap_vendor(frm, ni); frm = ieee80211_add_htinfo_vendor(frm, ni); } + if (ni->ni_flags & IEEE80211_NODE_VHT) { + frm = ieee80211_add_vhtcap(frm, ni); + frm = ieee80211_add_vhtinfo(frm, ni); + } #ifdef IEEE80211_SUPPORT_SUPERG if (IEEE80211_ATH_CAP(vap, ni, IEEE80211_F_ATHEROS)) frm = ieee80211_add_ath(frm, @@ -2629,6 +2735,8 @@ ieee80211_alloc_proberesp(struct ieee80211_node *bss, int legacy) * [tlv] RSN (optional) * [tlv] HT capabilities * [tlv] HT information + * [tlv] VHT capabilities + * [tlv] VHT information * [tlv] WPA (optional) * [tlv] WME (optional) * [tlv] Vendor OUI HT capabilities (optional) @@ -2659,6 +2767,8 @@ ieee80211_alloc_proberesp(struct ieee80211_node *bss, int legacy) + sizeof(struct ieee80211_wme_param) + 4 + sizeof(struct ieee80211_ie_htcap) + 4 + sizeof(struct ieee80211_ie_htinfo) + + sizeof(struct ieee80211_ie_vhtcap) + + sizeof(struct ieee80211_ie_vht_operation) #ifdef IEEE80211_SUPPORT_SUPERG + sizeof(struct ieee80211_ath_ie) #endif @@ -2720,7 +2830,7 @@ ieee80211_alloc_proberesp(struct ieee80211_node *bss, int legacy) if (IEEE80211_IS_CHAN_DFS(ic->ic_bsschan) && (vap->iv_flags_ext & IEEE80211_FEXT_DFS)) { if (vap->iv_quiet) - frm = ieee80211_add_quiet(frm, vap); + frm = ieee80211_add_quiet(frm, vap, 0); } } if (IEEE80211_IS_CHAN_ANYG(bss->ni_chan)) @@ -2738,6 +2848,11 @@ ieee80211_alloc_proberesp(struct ieee80211_node *bss, int legacy) frm = ieee80211_add_htcap(frm, bss); frm = ieee80211_add_htinfo(frm, bss); } + if (IEEE80211_IS_CHAN_VHT(bss->ni_chan) && + legacy != IEEE80211_SEND_LEGACY_11B) { + frm = ieee80211_add_vhtcap(frm, bss); + frm = ieee80211_add_vhtinfo(frm, bss); + } frm = ieee80211_add_wpa(frm, vap); if (vap->iv_flags & IEEE80211_F_WME) frm = ieee80211_add_wme_param(frm, &ic->ic_wme); @@ -2948,6 +3063,10 @@ ieee80211_beacon_construct(struct mbuf *m, uint8_t *frm, /* * beacon frame format + * + * TODO: update to 802.11-2012; a lot of stuff has changed; + * vendor extensions should be at the end, etc. + * * [8] time stamp * [2] beacon interval * [2] cabability information @@ -2959,11 +3078,34 @@ ieee80211_beacon_construct(struct mbuf *m, uint8_t *frm, * [tlv] country (optional) * [3] power control (optional) * [5] channel switch announcement (CSA) (optional) + * XXX TODO: Quiet + * XXX TODO: IBSS DFS + * XXX TODO: TPC report * [tlv] extended rate phy (ERP) * [tlv] extended supported rates * [tlv] RSN parameters + * XXX TODO: BSSLOAD + * (XXX EDCA parameter set, QoS capability?) + * XXX TODO: AP channel report + * * [tlv] HT capabilities * [tlv] HT information + * XXX TODO: 20/40 BSS coexistence + * Mesh: + * XXX TODO: Meshid + * XXX TODO: mesh config + * XXX TODO: mesh awake window + * XXX TODO: beacon timing (mesh, etc) + * XXX TODO: MCCAOP Advertisement Overview + * XXX TODO: MCCAOP Advertisement + * XXX TODO: Mesh channel switch parameters + * VHT: + * XXX TODO: VHT capabilities + * XXX TODO: VHT operation + * XXX TODO: VHT transmit power envelope + * XXX TODO: channel switch wrapper element + * XXX TODO: extended BSS load element + * * XXX Vendor-specific OIDs (e.g. Atheros) * [tlv] WPA parameters * [tlv] WME parameters @@ -3036,15 +3178,23 @@ ieee80211_beacon_construct(struct mbuf *m, uint8_t *frm, } else bo->bo_csa = frm; + bo->bo_quiet = NULL; if (vap->iv_flags & IEEE80211_F_DOTH) { - bo->bo_quiet = frm; if (IEEE80211_IS_CHAN_DFS(ic->ic_bsschan) && - (vap->iv_flags_ext & IEEE80211_FEXT_DFS)) { - if (vap->iv_quiet) - frm = ieee80211_add_quiet(frm,vap); + (vap->iv_flags_ext & IEEE80211_FEXT_DFS) && + (vap->iv_quiet == 1)) { + /* + * We only insert the quiet IE offset if + * the quiet IE is enabled. Otherwise don't + * put it here or we'll just overwrite + * some other beacon contents. + */ + if (vap->iv_quiet) { + bo->bo_quiet = frm; + frm = ieee80211_add_quiet(frm,vap, 0); + } } - } else - bo->bo_quiet = frm; + } if (IEEE80211_IS_CHAN_ANYG(ni->ni_chan)) { bo->bo_erp = frm; @@ -3057,6 +3207,16 @@ ieee80211_beacon_construct(struct mbuf *m, uint8_t *frm, bo->bo_htinfo = frm; frm = ieee80211_add_htinfo(frm, ni); } + + if (IEEE80211_IS_CHAN_VHT(ni->ni_chan)) { + frm = ieee80211_add_vhtcap(frm, ni); + bo->bo_vhtinfo = frm; + frm = ieee80211_add_vhtinfo(frm, ni); + /* Transmit power envelope */ + /* Channel switch wrapper element */ + /* Extended bss load element */ + } + frm = ieee80211_add_wpa(frm, vap); if (vap->iv_flags & IEEE80211_F_WME) { bo->bo_wme = frm; @@ -3067,6 +3227,7 @@ ieee80211_beacon_construct(struct mbuf *m, uint8_t *frm, frm = ieee80211_add_htcap_vendor(frm, ni); frm = ieee80211_add_htinfo_vendor(frm, ni); } + #ifdef IEEE80211_SUPPORT_SUPERG if (vap->iv_flags & IEEE80211_F_ATHEROS) { bo->bo_ath = frm; @@ -3084,6 +3245,8 @@ ieee80211_beacon_construct(struct mbuf *m, uint8_t *frm, bo->bo_appie_len = vap->iv_appie_beacon->ie_len; frm = add_appie(frm, vap->iv_appie_beacon); } + + /* XXX TODO: move meshid/meshconf up to before vendor extensions? */ #ifdef IEEE80211_SUPPORT_MESH if (vap->iv_opmode == IEEE80211_M_MBSS) { frm = ieee80211_add_meshid(frm, vap); @@ -3111,7 +3274,18 @@ ieee80211_beacon_alloc(struct ieee80211_node *ni) uint8_t *frm; /* + * Update the "We're putting the quiet IE in the beacon" state. + */ + if (vap->iv_quiet == 1) + vap->iv_flags_ext |= IEEE80211_FEXT_QUIET_IE; + else if (vap->iv_quiet == 0) + vap->iv_flags_ext &= ~IEEE80211_FEXT_QUIET_IE; + + /* * beacon frame format + * + * Note: This needs updating for 802.11-2012. + * * [8] time stamp * [2] beacon interval * [2] cabability information @@ -3128,6 +3302,8 @@ ieee80211_beacon_alloc(struct ieee80211_node *ni) * [tlv] RSN parameters * [tlv] HT capabilities * [tlv] HT information + * [tlv] VHT capabilities + * [tlv] VHT operation * [tlv] Vendor OUI HT capabilities (optional) * [tlv] Vendor OUI HT information (optional) * XXX Vendor-specific OIDs (e.g. Atheros) @@ -3159,6 +3335,8 @@ ieee80211_beacon_alloc(struct ieee80211_node *ni) /* XXX conditional? */ + 4+2*sizeof(struct ieee80211_ie_htcap)/* HT caps */ + 4+2*sizeof(struct ieee80211_ie_htinfo)/* HT info */ + + sizeof(struct ieee80211_ie_vhtcap)/* VHT caps */ + + sizeof(struct ieee80211_ie_vht_operation)/* VHT info */ + (vap->iv_caps & IEEE80211_C_WME ? /* WME */ sizeof(struct ieee80211_wme_param) : 0) #ifdef IEEE80211_SUPPORT_SUPERG @@ -3243,7 +3421,52 @@ ieee80211_beacon_update(struct ieee80211_node *ni, struct mbuf *m, int mcast) return 1; /* just assume length changed */ } + /* + * Handle the quiet time element being added and removed. + * Again, for now we just cheat and reconstruct the whole + * beacon - that way the gap is provided as appropriate. + * + * So, track whether we have already added the IE versus + * whether we want to be adding the IE. + */ + if ((vap->iv_flags_ext & IEEE80211_FEXT_QUIET_IE) && + (vap->iv_quiet == 0)) { + /* + * Quiet time beacon IE enabled, but it's disabled; + * recalc + */ + vap->iv_flags_ext &= ~IEEE80211_FEXT_QUIET_IE; + ieee80211_beacon_construct(m, + mtod(m, uint8_t*) + sizeof(struct ieee80211_frame), ni); + /* XXX do WME aggressive mode processing? */ + IEEE80211_UNLOCK(ic); + return 1; /* just assume length changed */ + } + + if (((vap->iv_flags_ext & IEEE80211_FEXT_QUIET_IE) == 0) && + (vap->iv_quiet == 1)) { + /* + * Quiet time beacon IE disabled, but it's now enabled; + * recalc + */ + vap->iv_flags_ext |= IEEE80211_FEXT_QUIET_IE; + ieee80211_beacon_construct(m, + mtod(m, uint8_t*) + sizeof(struct ieee80211_frame), ni); + /* XXX do WME aggressive mode processing? */ + IEEE80211_UNLOCK(ic); + return 1; /* just assume length changed */ + } + wh = mtod(m, struct ieee80211_frame *); + + /* + * XXX TODO Strictly speaking this should be incremented with the TX + * lock held so as to serialise access to the non-qos TID sequence + * number space. + * + * If the driver identifies it does its own TX seqno management then + * we can skip this (and still not do the TX seqno.) + */ seqno = ni->ni_txseqs[IEEE80211_NONQOS_TID]++; *(uint16_t *)&wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT); @@ -3349,6 +3572,10 @@ ieee80211_beacon_update(struct ieee80211_node *ni, struct mbuf *m, int mcast) timoff = 0; timlen = 1; } + + /* + * TODO: validate this! + */ if (timlen != bo->bo_tim_len) { /* copy up/down trailer */ int adjust = tie->tim_bitmap+timlen @@ -3359,6 +3586,7 @@ ieee80211_beacon_update(struct ieee80211_node *ni, struct mbuf *m, int mcast) bo->bo_tim_trailer += adjust; bo->bo_erp += adjust; bo->bo_htinfo += adjust; + bo->bo_vhtinfo += adjust; #ifdef IEEE80211_SUPPORT_SUPERG bo->bo_ath += adjust; #endif @@ -3413,6 +3641,7 @@ ieee80211_beacon_update(struct ieee80211_node *ni, struct mbuf *m, int mcast) memmove(&csa[1], csa, bo->bo_csa_trailer_len); bo->bo_erp += sizeof(*csa); bo->bo_htinfo += sizeof(*csa); + bo->bo_vhtinfo += sizeof(*csa); bo->bo_wme += sizeof(*csa); #ifdef IEEE80211_SUPPORT_SUPERG bo->bo_ath += sizeof(*csa); @@ -3436,10 +3665,17 @@ ieee80211_beacon_update(struct ieee80211_node *ni, struct mbuf *m, int mcast) vap->iv_csa_count++; /* NB: don't clear IEEE80211_BEACON_CSA */ } + + /* + * Only add the quiet time IE if we've enabled it + * as appropriate. + */ if (IEEE80211_IS_CHAN_DFS(ic->ic_bsschan) && - (vap->iv_flags_ext & IEEE80211_FEXT_DFS) ){ - if (vap->iv_quiet) - ieee80211_add_quiet(bo->bo_quiet, vap); + (vap->iv_flags_ext & IEEE80211_FEXT_DFS)) { + if (vap->iv_quiet && + (vap->iv_flags_ext & IEEE80211_FEXT_QUIET_IE)) { + ieee80211_add_quiet(bo->bo_quiet, vap, 1); + } } if (isset(bo->bo_flags, IEEE80211_BEACON_ERP)) { /* diff --git a/freebsd/sys/net80211/ieee80211_proto.c b/freebsd/sys/net80211/ieee80211_proto.c index 99a8ac99..8389404b 100644 --- a/freebsd/sys/net80211/ieee80211_proto.c +++ b/freebsd/sys/net80211/ieee80211_proto.c @@ -243,7 +243,7 @@ static void update_mcast(void *, int); static void update_promisc(void *, int); static void update_channel(void *, int); static void update_chw(void *, int); -static void update_wme(void *, int); +static void vap_update_wme(void *, int); static void restart_vaps(void *, int); static void ieee80211_newstate_cb(void *, int); @@ -282,7 +282,6 @@ ieee80211_proto_attach(struct ieee80211com *ic) TASK_INIT(&ic->ic_chan_task, 0, update_channel, ic); TASK_INIT(&ic->ic_bmiss_task, 0, beacon_miss, ic); TASK_INIT(&ic->ic_chw_task, 0, update_chw, ic); - TASK_INIT(&ic->ic_wme_task, 0, update_wme, ic); TASK_INIT(&ic->ic_restart_task, 0, restart_vaps, ic); ic->ic_wme.wme_hipri_switch_hysteresis = @@ -340,6 +339,7 @@ ieee80211_proto_vattach(struct ieee80211vap *vap) callout_init(&vap->iv_mgtsend, 1); TASK_INIT(&vap->iv_nstate_task, 0, ieee80211_newstate_cb, vap); TASK_INIT(&vap->iv_swbmiss_task, 0, beacon_swmiss, vap); + TASK_INIT(&vap->iv_wme_task, 0, vap_update_wme, vap); /* * Install default tx rate handling: no fixed rate, lowest * supported rate for mgmt and multicast frames. Default @@ -844,6 +844,9 @@ setbasicrates(struct ieee80211_rateset *rs, [IEEE80211_MODE_11NA] = { 3, { 12, 24, 48 } }, /* NB: mixed b/g */ [IEEE80211_MODE_11NG] = { 4, { 2, 4, 11, 22 } }, + /* NB: mixed b/g */ + [IEEE80211_MODE_VHT_2GHZ] = { 4, { 2, 4, 11, 22 } }, + [IEEE80211_MODE_VHT_5GHZ] = { 3, { 12, 24, 48 } }, }; int i, j; @@ -908,6 +911,8 @@ static const struct phyParamType phyParamForAC_BE[IEEE80211_MODE_MAX] = { [IEEE80211_MODE_QUARTER]= { 3, 4, 6, 0, 0 }, [IEEE80211_MODE_11NA] = { 3, 4, 6, 0, 0 }, [IEEE80211_MODE_11NG] = { 3, 4, 6, 0, 0 }, + [IEEE80211_MODE_VHT_2GHZ] = { 3, 4, 6, 0, 0 }, + [IEEE80211_MODE_VHT_5GHZ] = { 3, 4, 6, 0, 0 }, }; static const struct phyParamType phyParamForAC_BK[IEEE80211_MODE_MAX] = { [IEEE80211_MODE_AUTO] = { 7, 4, 10, 0, 0 }, @@ -922,6 +927,8 @@ static const struct phyParamType phyParamForAC_BK[IEEE80211_MODE_MAX] = { [IEEE80211_MODE_QUARTER]= { 7, 4, 10, 0, 0 }, [IEEE80211_MODE_11NA] = { 7, 4, 10, 0, 0 }, [IEEE80211_MODE_11NG] = { 7, 4, 10, 0, 0 }, + [IEEE80211_MODE_VHT_2GHZ] = { 7, 4, 10, 0, 0 }, + [IEEE80211_MODE_VHT_5GHZ] = { 7, 4, 10, 0, 0 }, }; static const struct phyParamType phyParamForAC_VI[IEEE80211_MODE_MAX] = { [IEEE80211_MODE_AUTO] = { 1, 3, 4, 94, 0 }, @@ -936,6 +943,8 @@ static const struct phyParamType phyParamForAC_VI[IEEE80211_MODE_MAX] = { [IEEE80211_MODE_QUARTER]= { 1, 3, 4, 94, 0 }, [IEEE80211_MODE_11NA] = { 1, 3, 4, 94, 0 }, [IEEE80211_MODE_11NG] = { 1, 3, 4, 94, 0 }, + [IEEE80211_MODE_VHT_2GHZ] = { 1, 3, 4, 94, 0 }, + [IEEE80211_MODE_VHT_5GHZ] = { 1, 3, 4, 94, 0 }, }; static const struct phyParamType phyParamForAC_VO[IEEE80211_MODE_MAX] = { [IEEE80211_MODE_AUTO] = { 1, 2, 3, 47, 0 }, @@ -950,6 +959,8 @@ static const struct phyParamType phyParamForAC_VO[IEEE80211_MODE_MAX] = { [IEEE80211_MODE_QUARTER]= { 1, 2, 3, 47, 0 }, [IEEE80211_MODE_11NA] = { 1, 2, 3, 47, 0 }, [IEEE80211_MODE_11NG] = { 1, 2, 3, 47, 0 }, + [IEEE80211_MODE_VHT_2GHZ] = { 1, 2, 3, 47, 0 }, + [IEEE80211_MODE_VHT_5GHZ] = { 1, 2, 3, 47, 0 }, }; static const struct phyParamType bssPhyParamForAC_BE[IEEE80211_MODE_MAX] = { @@ -1125,6 +1136,8 @@ ieee80211_wme_updateparams_locked(struct ieee80211vap *vap) [IEEE80211_MODE_QUARTER] = { 2, 4, 10, 64, 0 }, [IEEE80211_MODE_11NA] = { 2, 4, 10, 64, 0 }, /* XXXcheck*/ [IEEE80211_MODE_11NG] = { 2, 4, 10, 64, 0 }, /* XXXcheck*/ + [IEEE80211_MODE_VHT_2GHZ] = { 2, 4, 10, 64, 0 }, /* XXXcheck*/ + [IEEE80211_MODE_VHT_5GHZ] = { 2, 4, 10, 64, 0 }, /* XXXcheck*/ }; struct ieee80211com *ic = vap->iv_ic; struct ieee80211_wme_state *wme = &ic->ic_wme; @@ -1245,6 +1258,8 @@ ieee80211_wme_updateparams_locked(struct ieee80211vap *vap) [IEEE80211_MODE_QUARTER] = 3, [IEEE80211_MODE_11NA] = 3, [IEEE80211_MODE_11NG] = 3, + [IEEE80211_MODE_VHT_2GHZ] = 3, + [IEEE80211_MODE_VHT_5GHZ] = 3, }; chanp = &wme->wme_chanParams.cap_wmeParams[WME_AC_BE]; bssp = &wme->wme_bssChanParams.cap_wmeParams[WME_AC_BE]; @@ -1272,7 +1287,7 @@ ieee80211_wme_updateparams_locked(struct ieee80211vap *vap) } /* schedule the deferred WME update */ - ieee80211_runtask(ic, &ic->ic_wme_task); + ieee80211_runtask(ic, &vap->iv_wme_task); IEEE80211_DPRINTF(vap, IEEE80211_MSG_WME, "%s: WME params updated, cap_info 0x%x\n", __func__, @@ -1337,15 +1352,25 @@ update_chw(void *arg, int npending) ic->ic_update_chw(ic); } +/* + * Deferred WME update. + * + * In preparation for per-VAP WME configuration, call the VAP + * method if the VAP requires it. Otherwise, just call the + * older global method. There isn't a per-VAP WME configuration + * just yet so for now just use the global configuration. + */ static void -update_wme(void *arg, int npending) +vap_update_wme(void *arg, int npending) { - struct ieee80211com *ic = arg; + struct ieee80211vap *vap = arg; + struct ieee80211com *ic = vap->iv_ic; - /* - * XXX should we defer the WME configuration update until now? - */ - ic->ic_wme.wme_update(ic); + if (vap->iv_wme_update != NULL) + vap->iv_wme_update(vap, + ic->ic_wme.wme_chanParams.cap_wmeParams); + else + ic->ic_wme.wme_update(ic); } static void @@ -1372,7 +1397,6 @@ ieee80211_waitfor_parent(struct ieee80211com *ic) ieee80211_draintask(ic, &ic->ic_chan_task); ieee80211_draintask(ic, &ic->ic_bmiss_task); ieee80211_draintask(ic, &ic->ic_chw_task); - ieee80211_draintask(ic, &ic->ic_wme_task); taskqueue_unblock(ic->ic_tq); } diff --git a/freebsd/sys/net80211/ieee80211_proto.h b/freebsd/sys/net80211/ieee80211_proto.h index c4d5e7b0..784179fd 100644 --- a/freebsd/sys/net80211/ieee80211_proto.h +++ b/freebsd/sys/net80211/ieee80211_proto.h @@ -391,6 +391,8 @@ enum { IEEE80211_BEACON_TDMA = 9, /* TDMA Info */ IEEE80211_BEACON_ATH = 10, /* ATH parameters */ IEEE80211_BEACON_MESHCONF = 11, /* Mesh Configuration */ + IEEE80211_BEACON_QUIET = 12, /* Quiet time IE */ + IEEE80211_BEACON_VHTINFO = 13, /* VHT information */ }; int ieee80211_beacon_update(struct ieee80211_node *, struct mbuf *, int mcast); diff --git a/freebsd/sys/net80211/ieee80211_scan_sta.c b/freebsd/sys/net80211/ieee80211_scan_sta.c index faaaf8a3..cbef5cd8 100644 --- a/freebsd/sys/net80211/ieee80211_scan_sta.c +++ b/freebsd/sys/net80211/ieee80211_scan_sta.c @@ -57,6 +57,7 @@ __FBSDID("$FreeBSD$"); #include <net80211/ieee80211_mesh.h> #endif #include <net80211/ieee80211_ratectl.h> +#include <net80211/ieee80211_vht.h> #include <net/bpf.h> @@ -327,14 +328,33 @@ found: } } else ise->se_chan = curchan; + + /* VHT demotion */ + if (IEEE80211_IS_CHAN_VHT(ise->se_chan) && sp->vhtcap == NULL) { + IEEE80211_DPRINTF(vap, IEEE80211_MSG_11N, + "%s: demoting VHT->HT %d/0x%08x\n", + __func__, ise->se_chan->ic_freq, ise->se_chan->ic_flags); + /* Demote legacy networks to a non-VHT channel. */ + c = ieee80211_find_channel(ic, ise->se_chan->ic_freq, + ise->se_chan->ic_flags & ~IEEE80211_CHAN_VHT); + KASSERT(c != NULL, + ("no non-VHT channel %u", ise->se_chan->ic_ieee)); + ise->se_chan = c; + } + + /* HT demotion */ if (IEEE80211_IS_CHAN_HT(ise->se_chan) && sp->htcap == NULL) { /* Demote legacy networks to a non-HT channel. */ + IEEE80211_DPRINTF(vap, IEEE80211_MSG_11N, + "%s: demoting HT->legacy %d/0x%08x\n", + __func__, ise->se_chan->ic_freq, ise->se_chan->ic_flags); c = ieee80211_find_channel(ic, ise->se_chan->ic_freq, ise->se_chan->ic_flags & ~IEEE80211_CHAN_HT); KASSERT(c != NULL, ("no legacy channel %u", ise->se_chan->ic_ieee)); ise->se_chan = c; } + ise->se_fhdwell = sp->fhdwell; ise->se_fhindex = sp->fhindex; ise->se_erp = sp->erp; @@ -533,10 +553,11 @@ sweepchannels(struct ieee80211_scan_state *ss, struct ieee80211vap *vap, /* * Ignore dynamic turbo channels; we scan them * in normal mode (i.e. not boosted). Likewise - * for HT channels, they get scanned using + * for HT/VHT channels, they get scanned using * legacy rates. */ - if (IEEE80211_IS_CHAN_DTURBO(c) || IEEE80211_IS_CHAN_HT(c)) + if (IEEE80211_IS_CHAN_DTURBO(c) || IEEE80211_IS_CHAN_HT(c) || + IEEE80211_IS_CHAN_VHT(c)) continue; /* @@ -821,6 +842,9 @@ maxrate(const struct ieee80211_scan_entry *se) * that we assume compatibility/usability has already been checked * so we don't need to (e.g. validate whether privacy is supported). * Used to select the best scan candidate for association in a BSS. + * + * TODO: should we take 11n, 11ac into account when selecting the + * best? Right now it just compares frequency band and RSSI. */ static int sta_compare(const struct sta_entry *a, const struct sta_entry *b) @@ -1628,6 +1652,8 @@ notfound: */ chan = ieee80211_ht_adjust_channel(ic, chan, vap->iv_flags_ht); + chan = ieee80211_vht_adjust_channel(ic, + chan, vap->iv_flags_vht); ieee80211_create_ibss(vap, chan); return 1; } @@ -1659,6 +1685,8 @@ notfound: */ chan = ieee80211_ht_adjust_channel(ic, chan, vap->iv_flags_ht); + chan = ieee80211_vht_adjust_channel(ic, + chan, vap->iv_flags_vht); if (!ieee80211_sta_join(vap, chan, &selbs->base)) goto notfound; return 1; /* terminate scan */ @@ -1778,7 +1806,7 @@ static int ap_end(struct ieee80211_scan_state *ss, struct ieee80211vap *vap) { struct ieee80211com *ic = vap->iv_ic; - struct ieee80211_channel *bestchan; + struct ieee80211_channel *bestchan, *chan; KASSERT(vap->iv_opmode == IEEE80211_M_HOSTAP, ("wrong opmode %u", vap->iv_opmode)); @@ -1810,8 +1838,10 @@ ap_end(struct ieee80211_scan_state *ss, struct ieee80211vap *vap) ss->ss_flags &= ~IEEE80211_SCAN_NOPICK; return 1; } - ieee80211_create_ibss(vap, - ieee80211_ht_adjust_channel(ic, bestchan, vap->iv_flags_ht)); + chan = ieee80211_ht_adjust_channel(ic, bestchan, vap->iv_flags_ht); + chan = ieee80211_vht_adjust_channel(ic, chan, vap->iv_flags_vht); + ieee80211_create_ibss(vap, chan); + return 1; } @@ -1883,10 +1913,14 @@ notfound: IEEE80211_IS_CHAN_RADAR(vap->iv_des_chan)) { struct ieee80211com *ic = vap->iv_ic; + /* XXX VHT */ chan = adhoc_pick_channel(ss, 0); - if (chan != NULL) + if (chan != NULL) { chan = ieee80211_ht_adjust_channel(ic, chan, vap->iv_flags_ht); + chan = ieee80211_vht_adjust_channel(ic, + chan, vap->iv_flags_vht); + } } else chan = vap->iv_des_chan; if (chan != NULL) { diff --git a/freebsd/sys/net80211/ieee80211_sta.c b/freebsd/sys/net80211/ieee80211_sta.c index 68441806..68bbb36b 100644 --- a/freebsd/sys/net80211/ieee80211_sta.c +++ b/freebsd/sys/net80211/ieee80211_sta.c @@ -66,6 +66,7 @@ __FBSDID("$FreeBSD$"); #endif #include <net80211/ieee80211_ratectl.h> #include <net80211/ieee80211_sta.h> +#include <net80211/ieee80211_vht.h> #define IEEE80211_RATE2MBS(r) (((r) & IEEE80211_RATE_VAL) / 2) @@ -1320,6 +1321,27 @@ startbgscan(struct ieee80211vap *vap) ieee80211_time_after(ticks, ic->ic_lastdata + vap->iv_bgscanidle))); } +#ifdef notyet +/* + * Compare two quiet IEs and return if they are equivalent. + * + * The tbttcount isnt checked - that's not part of the configuration. + */ +static int +compare_quiet_ie(const struct ieee80211_quiet_ie *q1, + const struct ieee80211_quiet_ie *q2) +{ + + if (q1->period != q2->period) + return (0); + if (le16dec(&q1->duration) != le16dec(&q2->duration)) + return (0); + if (le16dec(&q1->offset) != le16dec(&q2->offset)) + return (0); + return (1); +} +#endif + static void sta_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, int subtype, const struct ieee80211_rx_stats *rxs, @@ -1332,8 +1354,9 @@ sta_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, int subtype, struct ieee80211_frame *wh; uint8_t *frm, *efrm; uint8_t *rates, *xrates, *wme, *htcap, *htinfo; + uint8_t *vhtcap, *vhtopmode; uint8_t rate; - int ht_state_change = 0; + int ht_state_change = 0, do_ht = 0; wh = mtod(m0, struct ieee80211_frame *); frm = (uint8_t *)&wh[1]; @@ -1432,12 +1455,43 @@ sta_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, int subtype, if (scan.htcap != NULL && scan.htinfo != NULL && (vap->iv_flags_ht & IEEE80211_FHT_HT)) { /* XXX state changes? */ - if (ieee80211_ht_updateparams(ni, + ieee80211_ht_updateparams(ni, + scan.htcap, scan.htinfo); + do_ht = 1; + } + if (scan.vhtcap != NULL && scan.vhtopmode != NULL && + (vap->iv_flags_vht & IEEE80211_FVHT_VHT)) { + /* XXX state changes? */ + ieee80211_vht_updateparams(ni, + scan.vhtcap, scan.vhtopmode); + do_ht = 1; + } + if (do_ht) { + if (ieee80211_ht_updateparams_final(ni, scan.htcap, scan.htinfo)) ht_state_change = 1; } - if (scan.quiet) + + /* + * If we have a quiet time IE then report it up to + * the driver. + * + * Otherwise, inform the driver that the quiet time + * IE has disappeared - only do that once rather than + * spamming it each time. + */ + if (scan.quiet) { ic->ic_set_quiet(ni, scan.quiet); + ni->ni_quiet_ie_set = 1; + memcpy(&ni->ni_quiet_ie, scan.quiet, + sizeof(struct ieee80211_quiet_ie)); + } else { + if (ni->ni_quiet_ie_set == 1) + ic->ic_set_quiet(ni, NULL); + ni->ni_quiet_ie_set = 0; + bzero(&ni->ni_quiet_ie, + sizeof(struct ieee80211_quiet_ie)); + } if (scan.tim != NULL) { struct ieee80211_tim_ie *tim = @@ -1662,6 +1716,7 @@ sta_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, int subtype, frm += 2; rates = xrates = wme = htcap = htinfo = NULL; + vhtcap = vhtopmode = NULL; while (efrm - frm > 1) { IEEE80211_VERIFY_LENGTH(efrm - frm, frm[1] + 2, return); switch (*frm) { @@ -1695,6 +1750,12 @@ sta_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, int subtype, } /* XXX Atheros OUI support */ break; + case IEEE80211_ELEMID_VHT_CAP: + vhtcap = frm; + break; + case IEEE80211_ELEMID_VHT_OPMODE: + vhtopmode = frm; + break; } frm += frm[1] + 2; } @@ -1739,9 +1800,30 @@ sta_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m0, int subtype, (vap->iv_flags_ht & IEEE80211_FHT_HT)) { ieee80211_ht_node_init(ni); ieee80211_ht_updateparams(ni, htcap, htinfo); + + if ((vhtcap != NULL) && (vhtopmode != NULL) & + (vap->iv_flags_vht & IEEE80211_FVHT_VHT)) { + /* + * Log if we get a VHT assoc/reassoc response. + * We aren't ready for 2GHz VHT support. + */ + if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) { + printf("%s: peer %6D: VHT on 2GHz, ignoring\n", + __func__, + ni->ni_macaddr, + ":"); + } else { + ieee80211_vht_node_init(ni); + ieee80211_vht_updateparams(ni, vhtcap, vhtopmode); + ieee80211_setup_vht_rates(ni, vhtcap, vhtopmode); + } + } + + ieee80211_ht_updateparams_final(ni, htcap, htinfo); ieee80211_setup_htrates(ni, htcap, IEEE80211_F_JOIN | IEEE80211_F_DOBRS); ieee80211_setup_basic_htrates(ni, htinfo); + ieee80211_node_setuptxparms(ni); ieee80211_ratectl_node_init(ni); } diff --git a/freebsd/sys/net80211/ieee80211_superg.c b/freebsd/sys/net80211/ieee80211_superg.c index 2ca3e61a..4a5f68d5 100644 --- a/freebsd/sys/net80211/ieee80211_superg.c +++ b/freebsd/sys/net80211/ieee80211_superg.c @@ -96,6 +96,15 @@ SYSCTL_PROC(_net_wlan, OID_AUTO, ffagemax, CTLTYPE_INT | CTLFLAG_RW, &ieee80211_ffagemax, 0, ieee80211_sysctl_msecs_ticks, "I", "max hold time for fast-frame staging (ms)"); +static void +ff_age_all(void *arg, int npending) +{ + struct ieee80211com *ic = arg; + + /* XXX cache timer value somewhere (racy) */ + ieee80211_ff_age_all(ic, ieee80211_ffagemax + 1); +} + void ieee80211_superg_attach(struct ieee80211com *ic) { @@ -111,6 +120,7 @@ ieee80211_superg_attach(struct ieee80211com *ic) __func__); return; } + TIMEOUT_TASK_INIT(ic->ic_tq, &sg->ff_qtimer, 0, ff_age_all, ic); ic->ic_superg = sg; /* @@ -124,12 +134,16 @@ ieee80211_superg_attach(struct ieee80211com *ic) void ieee80211_superg_detach(struct ieee80211com *ic) { - IEEE80211_FF_LOCK_DESTROY(ic); if (ic->ic_superg != NULL) { + struct timeout_task *qtask = &ic->ic_superg->ff_qtimer; + + while (taskqueue_cancel_timeout(ic->ic_tq, qtask, NULL) != 0) + taskqueue_drain_timeout(ic->ic_tq, qtask); IEEE80211_FREE(ic->ic_superg, M_80211_VAP); ic->ic_superg = NULL; } + IEEE80211_FF_LOCK_DESTROY(ic); } void @@ -670,8 +684,12 @@ stageq_add(struct ieee80211com *ic, struct ieee80211_stageq *sq, struct mbuf *m) if (sq->tail != NULL) { sq->tail->m_nextpkt = m; age -= M_AGE_GET(sq->head); - } else + } else { sq->head = m; + + struct timeout_task *qtask = &ic->ic_superg->ff_qtimer; + taskqueue_enqueue_timeout(ic->ic_tq, qtask, age); + } KASSERT(age >= 0, ("age %d", age)); M_AGE_SET(m, age); m->m_nextpkt = NULL; diff --git a/freebsd/sys/net80211/ieee80211_superg.h b/freebsd/sys/net80211/ieee80211_superg.h index 2f8628c3..2c8a6a0b 100644 --- a/freebsd/sys/net80211/ieee80211_superg.h +++ b/freebsd/sys/net80211/ieee80211_superg.h @@ -66,6 +66,8 @@ struct ieee80211_stageq { struct ieee80211_superg { /* fast-frames staging q */ struct ieee80211_stageq ff_stageq[WME_NUM_AC]; + /* flush queues automatically */ + struct timeout_task ff_qtimer; }; void ieee80211_superg_attach(struct ieee80211com *); diff --git a/freebsd/sys/net80211/ieee80211_tdma.c b/freebsd/sys/net80211/ieee80211_tdma.c index c14ccab5..45c71f20 100644 --- a/freebsd/sys/net80211/ieee80211_tdma.c +++ b/freebsd/sys/net80211/ieee80211_tdma.c @@ -178,6 +178,8 @@ ieee80211_tdma_vattach(struct ieee80211vap *vap) settxparms(vap, IEEE80211_MODE_11NG, TDMA_TXRATE_11NG_DEFAULT); settxparms(vap, IEEE80211_MODE_HALF, TDMA_TXRATE_HALF_DEFAULT); settxparms(vap, IEEE80211_MODE_QUARTER, TDMA_TXRATE_QUARTER_DEFAULT); + settxparms(vap, IEEE80211_MODE_VHT_2GHZ, TDMA_TXRATE_11NG_DEFAULT); + settxparms(vap, IEEE80211_MODE_VHT_5GHZ, TDMA_TXRATE_11NA_DEFAULT); setackpolicy(vap->iv_ic, 1); /* disable ACK's */ diff --git a/freebsd/sys/net80211/ieee80211_var.h b/freebsd/sys/net80211/ieee80211_var.h index 1b73d392..1d806a92 100644 --- a/freebsd/sys/net80211/ieee80211_var.h +++ b/freebsd/sys/net80211/ieee80211_var.h @@ -93,7 +93,13 @@ * says that VHT is supported - and then this macro can be * changed. */ -#define IEEE80211_CONF_VHT(ic) ((ic)->ic_vhtcaps != 0) +#define IEEE80211_CONF_VHT(ic) \ + ((ic)->ic_flags_ext & IEEE80211_FEXT_VHT) + +#define IEEE80211_CONF_SEQNO_OFFLOAD(ic) \ + ((ic)->ic_flags_ext & IEEE80211_FEXT_SEQNO_OFFLOAD) +#define IEEE80211_CONF_FRAG_OFFLOAD(ic) \ + ((ic)->ic_flags_ext & IEEE80211_FEXT_FRAG_OFFLOAD) /* * 802.11 control state is split into a common portion that maps @@ -143,7 +149,6 @@ struct ieee80211com { struct task ic_chan_task; /* deferred channel change */ struct task ic_bmiss_task; /* deferred beacon miss hndlr */ struct task ic_chw_task; /* deferred HT CHW update */ - struct task ic_wme_task; /* deferred WME update */ struct task ic_restart_task; /* deferred device restart */ counter_u64_t ic_ierrors; /* input errors */ @@ -169,6 +174,7 @@ struct ieee80211com { uint16_t ic_holdover; /* PM hold over duration */ uint16_t ic_txpowlimit; /* global tx power limit */ struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; + struct ieee80211_htrateset ic_sup_htrates; /* * Channel state: @@ -550,6 +556,10 @@ struct ieee80211vap { int (*iv_output)(struct ifnet *, struct mbuf *, const struct sockaddr *, struct route *); + int (*iv_wme_update)(struct ieee80211vap *, + const struct wmeParams *wme_params); + struct task iv_wme_task; /* deferred VAP WME update */ + uint64_t iv_spare[6]; }; MALLOC_DECLARE(M_80211_VAP); @@ -566,8 +576,7 @@ MALLOC_DECLARE(M_80211_VAP); #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ -#define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ -#define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ +/* 0x00000300 reserved */ /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ @@ -575,8 +584,7 @@ MALLOC_DECLARE(M_80211_VAP); #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ -#define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */ -#define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */ +/* 0x00030000 reserved */ #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ @@ -594,9 +602,9 @@ MALLOC_DECLARE(M_80211_VAP); #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ #define IEEE80211_F_BITS \ - "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \ - "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \ - "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ + "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN" \ + "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY" \ + "\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ "\37DOTH\40DWDS" @@ -629,14 +637,21 @@ MALLOC_DECLARE(M_80211_VAP); #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */ +#define IEEE80211_FEXT_SEQNO_OFFLOAD 0x00100000 /* CONF: driver does seqno insertion/allocation */ +#define IEEE80211_FEXT_FRAG_OFFLOAD 0x00200000 /* CONF: hardware does 802.11 fragmentation + assignment */ +#define IEEE80211_FEXT_VHT 0x00400000 /* CONF: VHT support */ +#define IEEE80211_FEXT_QUIET_IE 0x00800000 /* STATUS: quiet IE in a beacon has been added */ #define IEEE80211_FEXT_BITS \ "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ - "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD" + "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD\25SEQNO_OFFLOAD" \ + "\26VHT\27QUIET_IE" /* ic_flags_ht/iv_flags_ht */ #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ +#define IEEE80211_FHT_LDPC_TX 0x00010000 /* CONF: LDPC tx enabled */ +#define IEEE80211_FHT_LDPC_RX 0x00020000 /* CONF: LDPC rx enabled */ #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ @@ -681,6 +696,8 @@ int ieee80211_vap_attach(struct ieee80211vap *, void ieee80211_vap_detach(struct ieee80211vap *); const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, const struct ieee80211_channel *); +const struct ieee80211_htrateset *ieee80211_get_suphtrates( + struct ieee80211com *, const struct ieee80211_channel *); void ieee80211_announce(struct ieee80211com *); void ieee80211_announce_channels(struct ieee80211com *); void ieee80211_drain(struct ieee80211com *); diff --git a/freebsd/sys/net80211/ieee80211_vht.c b/freebsd/sys/net80211/ieee80211_vht.c new file mode 100644 index 00000000..acd939d3 --- /dev/null +++ b/freebsd/sys/net80211/ieee80211_vht.c @@ -0,0 +1,855 @@ +#include <machine/rtems-bsd-kernel-space.h> + +/*- + * Copyright (c) 2017 Adrian Chadd <adrian@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +#ifdef __FreeBSD__ +__FBSDID("$FreeBSD$"); +#endif + +/* + * IEEE 802.11ac-2013 protocol support. + */ + +#include <rtems/bsd/local/opt_inet.h> +#include <rtems/bsd/local/opt_wlan.h> + +#include <rtems/bsd/sys/param.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/systm.h> +#include <sys/endian.h> + +#include <sys/socket.h> + +#include <net/if.h> +#include <net/if_var.h> +#include <net/if_media.h> +#include <net/ethernet.h> + +#include <net80211/ieee80211_var.h> +#include <net80211/ieee80211_action.h> +#include <net80211/ieee80211_input.h> +#include <net80211/ieee80211_vht.h> + +/* define here, used throughout file */ +#define MS(_v, _f) (((_v) & _f) >> _f##_S) +#define SM(_v, _f) (((_v) << _f##_S) & _f) + +#define ADDSHORT(frm, v) do { \ + frm[0] = (v) & 0xff; \ + frm[1] = (v) >> 8; \ + frm += 2; \ +} while (0) +#define ADDWORD(frm, v) do { \ + frm[0] = (v) & 0xff; \ + frm[1] = ((v) >> 8) & 0xff; \ + frm[2] = ((v) >> 16) & 0xff; \ + frm[3] = ((v) >> 24) & 0xff; \ + frm += 4; \ +} while (0) + +/* + * Immediate TODO: + * + * + handle WLAN_ACTION_VHT_OPMODE_NOTIF and other VHT action frames + * + ensure vhtinfo/vhtcap parameters correctly use the negotiated + * capabilities and ratesets + * + group ID management operation + */ + +/* + * XXX TODO: handle WLAN_ACTION_VHT_OPMODE_NOTIF + * + * Look at mac80211/vht.c:ieee80211_vht_handle_opmode() for further details. + */ + +static int +vht_recv_action_placeholder(struct ieee80211_node *ni, + const struct ieee80211_frame *wh, + const uint8_t *frm, const uint8_t *efrm) +{ + +#ifdef IEEE80211_DEBUG + ieee80211_note(ni->ni_vap, "%s: called; fc=0x%.2x/0x%.2x", + __func__, + wh->i_fc[0], + wh->i_fc[1]); +#endif + return (0); +} + +static int +vht_send_action_placeholder(struct ieee80211_node *ni, + int category, int action, void *arg0) +{ + +#ifdef IEEE80211_DEBUG + ieee80211_note(ni->ni_vap, "%s: called; category=%d, action=%d", + __func__, + category, + action); +#endif + return (EINVAL); +} + +static void +ieee80211_vht_init(void) +{ + + ieee80211_recv_action_register(IEEE80211_ACTION_CAT_VHT, + WLAN_ACTION_VHT_COMPRESSED_BF, vht_recv_action_placeholder); + ieee80211_recv_action_register(IEEE80211_ACTION_CAT_VHT, + WLAN_ACTION_VHT_GROUPID_MGMT, vht_recv_action_placeholder); + ieee80211_recv_action_register(IEEE80211_ACTION_CAT_VHT, + WLAN_ACTION_VHT_OPMODE_NOTIF, vht_recv_action_placeholder); + + ieee80211_send_action_register(IEEE80211_ACTION_CAT_VHT, + WLAN_ACTION_VHT_COMPRESSED_BF, vht_send_action_placeholder); + ieee80211_send_action_register(IEEE80211_ACTION_CAT_VHT, + WLAN_ACTION_VHT_GROUPID_MGMT, vht_send_action_placeholder); + ieee80211_send_action_register(IEEE80211_ACTION_CAT_VHT, + WLAN_ACTION_VHT_OPMODE_NOTIF, vht_send_action_placeholder); +} + +SYSINIT(wlan_vht, SI_SUB_DRIVERS, SI_ORDER_FIRST, ieee80211_vht_init, NULL); + +void +ieee80211_vht_attach(struct ieee80211com *ic) +{ +} + +void +ieee80211_vht_detach(struct ieee80211com *ic) +{ +} + +void +ieee80211_vht_vattach(struct ieee80211vap *vap) +{ + struct ieee80211com *ic = vap->iv_ic; + + if (! IEEE80211_CONF_VHT(ic)) + return; + + vap->iv_vhtcaps = ic->ic_vhtcaps; + vap->iv_vhtextcaps = ic->ic_vhtextcaps; + + /* XXX assume VHT80 support; should really check vhtcaps */ + vap->iv_flags_vht = + IEEE80211_FVHT_VHT + | IEEE80211_FVHT_USEVHT40 + | IEEE80211_FVHT_USEVHT80; + /* XXX TODO: enable VHT80+80, VHT160 capabilities */ + + memcpy(&vap->iv_vht_mcsinfo, &ic->ic_vht_mcsinfo, + sizeof(struct ieee80211_vht_mcs_info)); +} + +void +ieee80211_vht_vdetach(struct ieee80211vap *vap) +{ +} + +#if 0 +static void +vht_announce(struct ieee80211com *ic, enum ieee80211_phymode mode) +{ +} +#endif + +static int +vht_mcs_to_num(int m) +{ + + switch (m) { + case IEEE80211_VHT_MCS_SUPPORT_0_7: + return (7); + case IEEE80211_VHT_MCS_SUPPORT_0_8: + return (8); + case IEEE80211_VHT_MCS_SUPPORT_0_9: + return (9); + default: + return (0); + } +} + +void +ieee80211_vht_announce(struct ieee80211com *ic) +{ + int i, tx, rx; + + if (! IEEE80211_CONF_VHT(ic)) + return; + + /* Channel width */ + ic_printf(ic, "[VHT] Channel Widths: 20MHz, 40MHz, 80MHz"); + if (MS(ic->ic_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) == 2) + printf(" 80+80MHz"); + if (MS(ic->ic_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) >= 1) + printf(" 160MHz"); + printf("\n"); + + /* Features */ + ic_printf(ic, "[VHT] Features: %b\n", ic->ic_vhtcaps, + IEEE80211_VHTCAP_BITS); + + /* For now, just 5GHz VHT. Worry about 2GHz VHT later */ + for (i = 0; i < 7; i++) { + /* Each stream is 2 bits */ + tx = (ic->ic_vht_mcsinfo.tx_mcs_map >> (2*i)) & 0x3; + rx = (ic->ic_vht_mcsinfo.rx_mcs_map >> (2*i)) & 0x3; + if (tx == 3 && rx == 3) + continue; + ic_printf(ic, "[VHT] NSS %d: TX MCS 0..%d, RX MCS 0..%d\n", + i + 1, + vht_mcs_to_num(tx), + vht_mcs_to_num(rx)); + } +} + +void +ieee80211_vht_node_init(struct ieee80211_node *ni) +{ + + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_11N, ni, + "%s: called", __func__); + ni->ni_flags |= IEEE80211_NODE_VHT; +} + +void +ieee80211_vht_node_cleanup(struct ieee80211_node *ni) +{ + + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_11N, ni, + "%s: called", __func__); + ni->ni_flags &= ~IEEE80211_NODE_VHT; + ni->ni_vhtcap = 0; + bzero(&ni->ni_vht_mcsinfo, sizeof(struct ieee80211_vht_mcs_info)); +} + +/* + * Parse an 802.11ac VHT operation IE. + */ +void +ieee80211_parse_vhtopmode(struct ieee80211_node *ni, const uint8_t *ie) +{ + /* vht operation */ + ni->ni_vht_chanwidth = ie[2]; + ni->ni_vht_chan1 = ie[3]; + ni->ni_vht_chan2 = ie[4]; + ni->ni_vht_basicmcs = le16dec(ie + 5); + +#if 0 + printf("%s: chan1=%d, chan2=%d, chanwidth=%d, basicmcs=0x%04x\n", + __func__, + ni->ni_vht_chan1, + ni->ni_vht_chan2, + ni->ni_vht_chanwidth, + ni->ni_vht_basicmcs); +#endif +} + +/* + * Parse an 802.11ac VHT capability IE. + */ +void +ieee80211_parse_vhtcap(struct ieee80211_node *ni, const uint8_t *ie) +{ + + /* vht capability */ + ni->ni_vhtcap = le32dec(ie + 2); + + /* suppmcs */ + ni->ni_vht_mcsinfo.rx_mcs_map = le16dec(ie + 6); + ni->ni_vht_mcsinfo.rx_highest = le16dec(ie + 8); + ni->ni_vht_mcsinfo.tx_mcs_map = le16dec(ie + 10); + ni->ni_vht_mcsinfo.tx_highest = le16dec(ie + 12); +} + +int +ieee80211_vht_updateparams(struct ieee80211_node *ni, + const uint8_t *vhtcap_ie, + const uint8_t *vhtop_ie) +{ + + //printf("%s: called\n", __func__); + + ieee80211_parse_vhtcap(ni, vhtcap_ie); + ieee80211_parse_vhtopmode(ni, vhtop_ie); + return (0); +} + +void +ieee80211_setup_vht_rates(struct ieee80211_node *ni, + const uint8_t *vhtcap_ie, + const uint8_t *vhtop_ie) +{ + + //printf("%s: called\n", __func__); + /* XXX TODO */ +} + +void +ieee80211_vht_timeout(struct ieee80211com *ic) +{ +} + +void +ieee80211_vht_node_join(struct ieee80211_node *ni) +{ + + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_11N, ni, + "%s: called", __func__); +} + +void +ieee80211_vht_node_leave(struct ieee80211_node *ni) +{ + + IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_11N, ni, + "%s: called", __func__); +} + +/* + * Calculate the VHTCAP IE for a given node. + * + * This includes calculating the capability intersection based on the + * current operating mode and intersection of the TX/RX MCS maps. + * + * The standard only makes it clear about MCS rate negotiation + * and MCS basic rates (which must be a subset of the general + * negotiated rates). It doesn't make it clear that the AP should + * figure out the minimum functional overlap with the STA and + * support that. + * + * Note: this is in host order, not in 802.11 endian order. + * + * TODO: ensure I re-read 9.7.11 Rate Selection for VHT STAs. + * + * TODO: investigate what we should negotiate for MU-MIMO beamforming + * options. + * + * opmode is '1' for "vhtcap as if I'm a STA", 0 otherwise. + */ +void +ieee80211_vht_get_vhtcap_ie(struct ieee80211_node *ni, + struct ieee80211_ie_vhtcap *vhtcap, int opmode) +{ + struct ieee80211vap *vap = ni->ni_vap; +// struct ieee80211com *ic = vap->iv_ic; + uint32_t val, val1, val2; + uint32_t new_vhtcap; + int i; + + vhtcap->ie = IEEE80211_ELEMID_VHT_CAP; + vhtcap->len = sizeof(struct ieee80211_ie_vhtcap) - 2; + + /* + * Capabilities - it depends on whether we are a station + * or not. + */ + new_vhtcap = 0; + + /* + * Station - use our desired configuration based on + * local config, local device bits and the already-learnt + * vhtcap/vhtinfo IE in the node. + */ + + /* Limit MPDU size to the smaller of the two */ + val2 = val1 = MS(vap->iv_vhtcaps, IEEE80211_VHTCAP_MAX_MPDU_MASK); + if (opmode == 1) { + val2 = MS(ni->ni_vhtcap, IEEE80211_VHTCAP_MAX_MPDU_MASK); + } + val = MIN(val1, val2); + new_vhtcap |= SM(val, IEEE80211_VHTCAP_MAX_MPDU_MASK); + + /* Limit supp channel config */ + val2 = val1 = MS(vap->iv_vhtcaps, + IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK); + if (opmode == 1) { + val2 = MS(ni->ni_vhtcap, + IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK); + } + if ((val2 == 2) && + ((vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80P80) == 0)) + val2 = 1; + if ((val2 == 1) && + ((vap->iv_flags_vht & IEEE80211_FVHT_USEVHT160) == 0)) + val2 = 0; + val = MIN(val1, val2); + new_vhtcap |= SM(val, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK); + + /* RX LDPC */ + val2 = val1 = MS(vap->iv_vhtcaps, IEEE80211_VHTCAP_RXLDPC); + if (opmode == 1) { + val2 = MS(ni->ni_vhtcap, IEEE80211_VHTCAP_RXLDPC); + } + val = MIN(val1, val2); + new_vhtcap |= SM(val, IEEE80211_VHTCAP_RXLDPC); + + /* Short-GI 80 */ + val2 = val1 = MS(vap->iv_vhtcaps, IEEE80211_VHTCAP_SHORT_GI_80); + if (opmode == 1) { + val2 = MS(ni->ni_vhtcap, IEEE80211_VHTCAP_SHORT_GI_80); + } + val = MIN(val1, val2); + new_vhtcap |= SM(val, IEEE80211_VHTCAP_SHORT_GI_80); + + /* Short-GI 160 */ + val2 = val1 = MS(vap->iv_vhtcaps, IEEE80211_VHTCAP_SHORT_GI_160); + if (opmode == 1) { + val2 = MS(ni->ni_vhtcap, IEEE80211_VHTCAP_SHORT_GI_160); + } + val = MIN(val1, val2); + new_vhtcap |= SM(val, IEEE80211_VHTCAP_SHORT_GI_160); + + /* + * STBC is slightly more complicated. + * + * In non-STA mode, we just announce our capabilities and that + * is that. + * + * In STA mode, we should calculate our capabilities based on + * local capabilities /and/ what the remote says. So: + * + * + Only TX STBC if we support it and the remote supports RX STBC; + * + Only announce RX STBC if we support it and the remote supports + * TX STBC; + * + RX STBC should be the minimum of local and remote RX STBC; + */ + + /* TX STBC */ + val2 = val1 = MS(vap->iv_vhtcaps, IEEE80211_VHTCAP_TXSTBC); + if (opmode == 1) { + /* STA mode - enable it only if node RXSTBC is non-zero */ + val2 = !! MS(ni->ni_vhtcap, IEEE80211_VHTCAP_RXSTBC_MASK); + } + val = MIN(val1, val2); + /* XXX For now, use the 11n config flag */ + if ((vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) == 0) + val = 0; + new_vhtcap |= SM(val, IEEE80211_VHTCAP_TXSTBC); + + /* RX STBC1..4 */ + val2 = val1 = MS(vap->iv_vhtcaps, IEEE80211_VHTCAP_RXSTBC_MASK); + if (opmode == 1) { + /* STA mode - enable it only if node TXSTBC is non-zero */ + val2 = MS(ni->ni_vhtcap, IEEE80211_VHTCAP_TXSTBC); + } + val = MIN(val1, val2); + /* XXX For now, use the 11n config flag */ + if ((vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) == 0) + val = 0; + new_vhtcap |= SM(val, IEEE80211_VHTCAP_RXSTBC_MASK); + + /* + * Finally - if RXSTBC is 0, then don't enable TXSTBC. + * Strictly speaking a device can TXSTBC and not RXSTBC, but + * it would be silly. + */ + if (val == 0) + new_vhtcap &= ~IEEE80211_VHTCAP_TXSTBC; + + /* + * Some of these fields require other fields to exist. + * So before using it, the parent field needs to be checked + * otherwise the overridden value may be wrong. + * + * For example, if SU beamformee is set to 0, then BF STS + * needs to be 0. + */ + + /* SU Beamformer capable */ + val2 = val1 = MS(vap->iv_vhtcaps, + IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE); + if (opmode == 1) { + val2 = MS(ni->ni_vhtcap, + IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE); + } + val = MIN(val1, val2); + new_vhtcap |= SM(val, IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE); + + /* SU Beamformee capable */ + val2 = val1 = MS(vap->iv_vhtcaps, + IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE); + if (opmode == 1) { + val2 = MS(ni->ni_vhtcap, + IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE); + } + val = MIN(val1, val2); + new_vhtcap |= SM(val, IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE); + + /* Beamformee STS capability - only if SU beamformee capable */ + val2 = val1 = MS(vap->iv_vhtcaps, IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK); + if (opmode == 1) { + val2 = MS(ni->ni_vhtcap, IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK); + } + val = MIN(val1, val2); + if ((new_vhtcap & IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE) == 0) + val = 0; + new_vhtcap |= SM(val, IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK); + + /* Sounding dimensions - only if SU beamformer capable */ + val2 = val1 = MS(vap->iv_vhtcaps, + IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK); + if (opmode == 1) + val2 = MS(ni->ni_vhtcap, + IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK); + val = MIN(val1, val2); + if ((new_vhtcap & IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE) == 0) + val = 0; + new_vhtcap |= SM(val, IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK); + + /* + * MU Beamformer capable - only if SU BFF capable, MU BFF capable + * and STA (not AP) + */ + val2 = val1 = MS(vap->iv_vhtcaps, + IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE); + if (opmode == 1) + val2 = MS(ni->ni_vhtcap, + IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE); + val = MIN(val1, val2); + if ((new_vhtcap & IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE) == 0) + val = 0; + if (opmode != 1) /* Only enable for STA mode */ + val = 0; + new_vhtcap |= SM(val, IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE); + + /* + * MU Beamformee capable - only if SU BFE capable, MU BFE capable + * and AP (not STA) + */ + val2 = val1 = MS(vap->iv_vhtcaps, + IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE); + if (opmode == 1) + val2 = MS(ni->ni_vhtcap, + IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE); + val = MIN(val1, val2); + if ((new_vhtcap & IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE) == 0) + val = 0; + if (opmode != 0) /* Only enable for AP mode */ + val = 0; + new_vhtcap |= SM(val, IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE); + + /* VHT TXOP PS */ + val2 = val1 = MS(vap->iv_vhtcaps, IEEE80211_VHTCAP_VHT_TXOP_PS); + if (opmode == 1) + val2 = MS(ni->ni_vhtcap, IEEE80211_VHTCAP_VHT_TXOP_PS); + val = MIN(val1, val2); + new_vhtcap |= SM(val, IEEE80211_VHTCAP_VHT_TXOP_PS); + + /* HTC_VHT */ + val2 = val1 = MS(vap->iv_vhtcaps, IEEE80211_VHTCAP_HTC_VHT); + if (opmode == 1) + val2 = MS(ni->ni_vhtcap, IEEE80211_VHTCAP_HTC_VHT); + val = MIN(val1, val2); + new_vhtcap |= SM(val, IEEE80211_VHTCAP_HTC_VHT); + + /* A-MPDU length max */ + /* XXX TODO: we need a userland config knob for this */ + val2 = val1 = MS(vap->iv_vhtcaps, + IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK); + if (opmode == 1) + val2 = MS(ni->ni_vhtcap, + IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK); + val = MIN(val1, val2); + new_vhtcap |= SM(val, IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK); + + /* + * Link adaptation is only valid if HTC-VHT capable is 1. + * Otherwise, always set it to 0. + */ + val2 = val1 = MS(vap->iv_vhtcaps, + IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK); + if (opmode == 1) + val2 = MS(ni->ni_vhtcap, + IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK); + val = MIN(val1, val2); + if ((new_vhtcap & IEEE80211_VHTCAP_HTC_VHT) == 0) + val = 0; + new_vhtcap |= SM(val, IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK); + + /* + * The following two options are 0 if the pattern may change, 1 if it + * does not change. So, downgrade to the higher value. + */ + + /* RX antenna pattern */ + val2 = val1 = MS(vap->iv_vhtcaps, IEEE80211_VHTCAP_RX_ANTENNA_PATTERN); + if (opmode == 1) + val2 = MS(ni->ni_vhtcap, IEEE80211_VHTCAP_RX_ANTENNA_PATTERN); + val = MAX(val1, val2); + new_vhtcap |= SM(val, IEEE80211_VHTCAP_RX_ANTENNA_PATTERN); + + /* TX antenna pattern */ + val2 = val1 = MS(vap->iv_vhtcaps, IEEE80211_VHTCAP_TX_ANTENNA_PATTERN); + if (opmode == 1) + val2 = MS(ni->ni_vhtcap, IEEE80211_VHTCAP_TX_ANTENNA_PATTERN); + val = MAX(val1, val2); + new_vhtcap |= SM(val, IEEE80211_VHTCAP_TX_ANTENNA_PATTERN); + + /* + * MCS set - again, we announce what we want to use + * based on configuration, device capabilities and + * already-learnt vhtcap/vhtinfo IE information. + */ + + /* MCS set - start with whatever the device supports */ + vhtcap->supp_mcs.rx_mcs_map = vap->iv_vht_mcsinfo.rx_mcs_map; + vhtcap->supp_mcs.rx_highest = 0; + vhtcap->supp_mcs.tx_mcs_map = vap->iv_vht_mcsinfo.tx_mcs_map; + vhtcap->supp_mcs.tx_highest = 0; + + vhtcap->vht_cap_info = new_vhtcap; + + /* + * Now, if we're a STA, mask off whatever the AP doesn't support. + * Ie, we continue to state we can receive whatever we can do, + * but we only announce that we will transmit rates that meet + * the AP requirement. + * + * Note: 0 - MCS0..7; 1 - MCS0..8; 2 - MCS0..9; 3 = not supported. + * We can't just use MIN() because '3' means "no", so special case it. + */ + if (opmode) { + for (i = 0; i < 8; i++) { + val1 = (vhtcap->supp_mcs.tx_mcs_map >> (i*2)) & 0x3; + val2 = (ni->ni_vht_mcsinfo.tx_mcs_map >> (i*2)) & 0x3; + val = MIN(val1, val2); + if (val1 == 3 || val2 == 3) + val = 3; + vhtcap->supp_mcs.tx_mcs_map &= ~(0x3 << (i*2)); + vhtcap->supp_mcs.tx_mcs_map |= (val << (i*2)); + } + } +} + +/* + * Add a VHTCAP field. + * + * If in station mode, we announce what we would like our + * desired configuration to be. + * + * Else, we announce our capabilities based on our current + * configuration. + */ +uint8_t * +ieee80211_add_vhtcap(uint8_t *frm, struct ieee80211_node *ni) +{ + struct ieee80211_ie_vhtcap vhtcap; + int opmode; + + opmode = 0; + if (ni->ni_vap->iv_opmode == IEEE80211_M_STA) + opmode = 1; + + ieee80211_vht_get_vhtcap_ie(ni, &vhtcap, opmode); + + memset(frm, '\0', sizeof(struct ieee80211_ie_vhtcap)); + + frm[0] = IEEE80211_ELEMID_VHT_CAP; + frm[1] = sizeof(struct ieee80211_ie_vhtcap) - 2; + frm += 2; + + /* 32-bit VHT capability */ + ADDWORD(frm, vhtcap.vht_cap_info); + + /* suppmcs */ + ADDSHORT(frm, vhtcap.supp_mcs.rx_mcs_map); + ADDSHORT(frm, vhtcap.supp_mcs.rx_highest); + ADDSHORT(frm, vhtcap.supp_mcs.tx_mcs_map); + ADDSHORT(frm, vhtcap.supp_mcs.tx_highest); + + return (frm); +} + +static uint8_t +ieee80211_vht_get_chwidth_ie(struct ieee80211_channel *c) +{ + + /* + * XXX TODO: look at the node configuration as + * well? + */ + + if (IEEE80211_IS_CHAN_VHT160(c)) { + return IEEE80211_VHT_CHANWIDTH_160MHZ; + } + if (IEEE80211_IS_CHAN_VHT80_80(c)) { + return IEEE80211_VHT_CHANWIDTH_80P80MHZ; + } + if (IEEE80211_IS_CHAN_VHT80(c)) { + return IEEE80211_VHT_CHANWIDTH_80MHZ; + } + if (IEEE80211_IS_CHAN_VHT40(c)) { + return IEEE80211_VHT_CHANWIDTH_USE_HT; + } + if (IEEE80211_IS_CHAN_VHT20(c)) { + return IEEE80211_VHT_CHANWIDTH_USE_HT; + } + + /* We shouldn't get here */ + printf("%s: called on a non-VHT channel (freq=%d, flags=0x%08x\n", + __func__, + (int) c->ic_freq, + c->ic_flags); + return IEEE80211_VHT_CHANWIDTH_USE_HT; +} + +/* + * Note: this just uses the current channel information; + * it doesn't use the node info after parsing. + * + * XXX TODO: need to make the basic MCS set configurable. + * XXX TODO: read 802.11-2013 to determine what to set + * chwidth to when scanning. I have a feeling + * it isn't involved in scanning and we shouldn't + * be sending it; and I don't yet know what to set + * it to for IBSS or hostap where the peer may be + * a completely different channel width to us. + */ +uint8_t * +ieee80211_add_vhtinfo(uint8_t *frm, struct ieee80211_node *ni) +{ + memset(frm, '\0', sizeof(struct ieee80211_ie_vht_operation)); + + frm[0] = IEEE80211_ELEMID_VHT_OPMODE; + frm[1] = sizeof(struct ieee80211_ie_vht_operation) - 2; + frm += 2; + + /* 8-bit chanwidth */ + *frm++ = ieee80211_vht_get_chwidth_ie(ni->ni_chan); + + /* 8-bit freq1 */ + *frm++ = ni->ni_chan->ic_vht_ch_freq1; + + /* 8-bit freq2 */ + *frm++ = ni->ni_chan->ic_vht_ch_freq2; + + /* 16-bit basic MCS set - just MCS0..7 for NSS=1 for now */ + ADDSHORT(frm, 0xfffc); + + return (frm); +} + +void +ieee80211_vht_update_cap(struct ieee80211_node *ni, const uint8_t *vhtcap_ie, + const uint8_t *vhtop_ie) +{ + + ieee80211_parse_vhtcap(ni, vhtcap_ie); + ieee80211_parse_vhtopmode(ni, vhtop_ie); +} + +static struct ieee80211_channel * +findvhtchan(struct ieee80211com *ic, struct ieee80211_channel *c, int vhtflags) +{ + + return (ieee80211_find_channel(ic, c->ic_freq, + (c->ic_flags & ~IEEE80211_CHAN_VHT) | vhtflags)); +} + +/* + * Handle channel promotion to VHT, similar to ieee80211_ht_adjust_channel(). + */ +struct ieee80211_channel * +ieee80211_vht_adjust_channel(struct ieee80211com *ic, + struct ieee80211_channel *chan, int flags) +{ + struct ieee80211_channel *c; + + /* First case - handle channel demotion - if VHT isn't set */ + if ((flags & IEEE80211_FVHT_VHT) == 0) { +#if 0 + printf("%s: demoting channel %d/0x%08x\n", __func__, + chan->ic_ieee, chan->ic_flags); +#endif + c = ieee80211_find_channel(ic, chan->ic_freq, + chan->ic_flags & ~IEEE80211_CHAN_VHT); + if (c == NULL) + c = chan; +#if 0 + printf("%s: .. to %d/0x%08x\n", __func__, + c->ic_ieee, c->ic_flags); +#endif + return (c); + } + + /* + * We can upgrade to VHT - attempt to do so + * + * Note: we don't clear the HT flags, these are the hints + * for HT40U/HT40D when selecting VHT40 or larger channels. + */ + /* Start with VHT80 */ + c = NULL; + if ((c == NULL) && (flags & IEEE80211_FVHT_USEVHT160)) + c = findvhtchan(ic, chan, IEEE80211_CHAN_VHT80); + + if ((c == NULL) && (flags & IEEE80211_FVHT_USEVHT80P80)) + c = findvhtchan(ic, chan, IEEE80211_CHAN_VHT80_80); + + if ((c == NULL) && (flags & IEEE80211_FVHT_USEVHT80)) + c = findvhtchan(ic, chan, IEEE80211_CHAN_VHT80); + + if ((c == NULL) && (flags & IEEE80211_FVHT_USEVHT40)) + c = findvhtchan(ic, chan, IEEE80211_CHAN_VHT40U); + if ((c == NULL) && (flags & IEEE80211_FVHT_USEVHT40)) + c = findvhtchan(ic, chan, IEEE80211_CHAN_VHT40D); + /* + * If we get here, VHT20 is always possible because we checked + * for IEEE80211_FVHT_VHT above. + */ + if (c == NULL) + c = findvhtchan(ic, chan, IEEE80211_CHAN_VHT20); + + if (c != NULL) + chan = c; + +#if 0 + printf("%s: selected %d/0x%08x\n", __func__, c->ic_ieee, c->ic_flags); +#endif + return (chan); +} + +/* + * Calculate the VHT operation IE for a given node. + * + * This includes calculating the suitable channel width/parameters + * and basic MCS set. + * + * TODO: ensure I read 9.7.11 Rate Selection for VHT STAs. + * TODO: ensure I read 10.39.7 - BSS Basic VHT-MCS and NSS set operation. + */ +void +ieee80211_vht_get_vhtinfo_ie(struct ieee80211_node *ni, + struct ieee80211_ie_vht_operation *vhtop, int opmode) +{ + printf("%s: called; TODO!\n", __func__); +} diff --git a/freebsd/sys/net80211/ieee80211_vht.h b/freebsd/sys/net80211/ieee80211_vht.h new file mode 100644 index 00000000..791762b1 --- /dev/null +++ b/freebsd/sys/net80211/ieee80211_vht.h @@ -0,0 +1,68 @@ +/*- + * Copyright (c) 2016 Adrian Chadd <adrian@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ +#ifndef _NET80211_IEEE80211_VHT_H_ +#define _NET80211_IEEE80211_VHT_H_ + +void ieee80211_vht_attach(struct ieee80211com *); +void ieee80211_vht_detach(struct ieee80211com *); +void ieee80211_vht_vattach(struct ieee80211vap *); +void ieee80211_vht_vdetach(struct ieee80211vap *); + +void ieee80211_vht_announce(struct ieee80211com *); + +void ieee80211_vht_node_init(struct ieee80211_node *); +void ieee80211_vht_node_cleanup(struct ieee80211_node *); + +void ieee80211_parse_vhtopmode(struct ieee80211_node *, const uint8_t *); +void ieee80211_parse_vhtcap(struct ieee80211_node *, const uint8_t *); + +int ieee80211_vht_updateparams(struct ieee80211_node *, + const uint8_t *, const uint8_t *); +void ieee80211_setup_vht_rates(struct ieee80211_node *, + const uint8_t *, const uint8_t *); + +void ieee80211_vht_timeout(struct ieee80211com *ic); + +void ieee80211_vht_node_join(struct ieee80211_node *ni); +void ieee80211_vht_node_leave(struct ieee80211_node *ni); + +uint8_t * ieee80211_add_vhtcap(uint8_t *frm, struct ieee80211_node *); +uint8_t * ieee80211_add_vhtinfo(uint8_t *frm, struct ieee80211_node *); + +void ieee80211_vht_update_cap(struct ieee80211_node *, + const uint8_t *, const uint8_t *); + +struct ieee80211_channel * + ieee80211_vht_adjust_channel(struct ieee80211com *, + struct ieee80211_channel *, int); + +void ieee80211_vht_get_vhtcap_ie(struct ieee80211_node *ni, + struct ieee80211_ie_vhtcap *, int); +void ieee80211_vht_get_vhtinfo_ie(struct ieee80211_node *ni, + struct ieee80211_ie_vht_operation *, int); + +#endif /* _NET80211_IEEE80211_VHT_H_ */ |