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Differential D48604 Diff 150000 sys/net80211/ieee80211_node.c

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sys/net80211/ieee80211_node.c

Show First 20 Lines • Show All 2,661 Lines • ▼ Show 20 Linesieee80211_dump_node(struct ieee80211_node_table *nt __unused,
printf("\trssi %d noise %d intval %u capinfo 0x%x\n", printf("\trssi %d noise %d intval %u capinfo 0x%x\n",
node_getrssi(ni), ni->ni_noise, node_getrssi(ni), ni->ni_noise,
ni->ni_intval, ni->ni_capinfo); ni->ni_intval, ni->ni_capinfo);
printf("\tbssid %s essid \"%.*s\" channel %u:0x%x\n", printf("\tbssid %s essid \"%.*s\" channel %u:0x%x\n",
ether_sprintf(ni->ni_bssid), ether_sprintf(ni->ni_bssid),
ni->ni_esslen, ni->ni_essid, ni->ni_esslen, ni->ni_essid,
(ni->ni_chan != IEEE80211_CHAN_ANYC) ? ni->ni_chan->ic_freq : 0, (ni->ni_chan != IEEE80211_CHAN_ANYC) ? ni->ni_chan->ic_freq : 0,
(ni->ni_chan != IEEE80211_CHAN_ANYC) ? ni->ni_chan->ic_flags : 0); (ni->ni_chan != IEEE80211_CHAN_ANYC) ? ni->ni_chan->ic_flags : 0);
printf("\tinact %u inact_reload %u txrate %u\n", printf("\tinact %u inact_reload %u txrate type %d dot11rate %u\n",
ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate); ni->ni_inact, ni->ni_inact_reload,
ni->ni_txrate.type,
ni->ni_txrate.dot11rate);
printf("\thtcap %x htparam %x htctlchan %u ht2ndchan %u\n", printf("\thtcap %x htparam %x htctlchan %u ht2ndchan %u\n",
ni->ni_htcap, ni->ni_htparam, ni->ni_htcap, ni->ni_htparam,
ni->ni_htctlchan, ni->ni_ht2ndchan); ni->ni_htctlchan, ni->ni_ht2ndchan);
printf("\thtopmode %x htstbc %x htchw %d (%s)\n", printf("\thtopmode %x htstbc %x htchw %d (%s)\n",
ni->ni_htopmode, ni->ni_htstbc, ni->ni_htopmode, ni->ni_htstbc,
ni->ni_chw, ieee80211_ni_chw_to_str(ni->ni_chw)); ni->ni_chw, ieee80211_ni_chw_to_str(ni->ni_chw));
printf("\tvhtcap %x freq1 %d freq2 %d vhtbasicmcs %x\n", printf("\tvhtcap %x freq1 %d freq2 %d vhtbasicmcs %x\n",
ni->ni_vhtcap, (int) ni->ni_vht_chan1, (int) ni->ni_vht_chan2, ni->ni_vhtcap, (int) ni->ni_vht_chan1, (int) ni->ni_vht_chan2,
▲ Show 20 Lines • Show All 453 Lines • ▼ Show 20 Linesieee80211_getsignal(struct ieee80211vap *vap, int8_t *rssi, int8_t *noise)
if (vap->iv_bss == NULL) /* NB: shouldn't happen */ if (vap->iv_bss == NULL) /* NB: shouldn't happen */
return; return;
vap->iv_ic->ic_node_getsignal(vap->iv_bss, rssi, noise); vap->iv_ic->ic_node_getsignal(vap->iv_bss, rssi, noise);
/* for non-station mode return avg'd rssi accounting */ /* for non-station mode return avg'd rssi accounting */
if (vap->iv_opmode != IEEE80211_M_STA) if (vap->iv_opmode != IEEE80211_M_STA)
*rssi = ieee80211_getrssi(vap); *rssi = ieee80211_getrssi(vap);
} }
/**
* @brief return a dot11rate / ratecode representing the current transmit rate
*
* This is the API call for legacy / 802.11n drivers and rate control APIs
* which expect a dot11rate / ratecode representation for legacy and HT MCS
* rates.
*
* Drivers which support VHT should not use this API, as it will log an error
* and return a low rate if a VHT rate is selected.
*
* @param ni the ieee80211_node to return the transmit rate for
* @returns the dot11rate / ratecode for legacy/MCS, or the
* lowest available dot11rate if it's VHT (and shouldn't
* have been called.)
*/
uint8_t uint8_t
ieee80211_node_get_txrate_dot11rate(struct ieee80211_node *ni) ieee80211_node_get_txrate_dot11rate(struct ieee80211_node *ni)
{ {
return (ni->ni_txrate); switch (ni->ni_txrate.type) {
case IEEE80211_NODE_TXRATE_LEGACY:
return (ni->ni_txrate.dot11rate);
break;
case IEEE80211_NODE_TXRATE_VHT:
default:
printf("%s: called for VHT / unknown rate (type %d)!\n",
__func__, ni->ni_txrate.type);
return (12); /* OFDM6 for now */
} }
}
/**
* @brief set the dot11rate / ratecode representing the current transmit rate
*
* This is the API call for legacy / 802.11n drivers and rate control APIs
* which expect a dot11rate / ratecode representation for legacy and HT MCS
* rates.
*
* @param ni the ieee80211_node to return the transmit rate for
* @param dot11rate the dot11rate rate code to use
*/
void void
ieee80211_node_set_txrate_dot11rate(struct ieee80211_node *ni, ieee80211_node_set_txrate_dot11rate(struct ieee80211_node *ni,
uint8_t dot11Rate) uint8_t dot11Rate)
{ {
ni->ni_txrate = dot11Rate; ni->ni_txrate.type = IEEE80211_NODE_TXRATE_LEGACY;
ni->ni_txrate.mcs = ni->ni_txrate.nss = 0;
ni->ni_txrate.dot11rate = dot11Rate;
} }
/**
* @brief set the dot11rate / ratecode representing the current HT transmit rate
*
* This is the API call for 802.11n drivers and rate control APIs
* which expect a dot11rate / ratecode representation for legacy and HT MCS
* rates. It expects an MCS rate code from 0 .. 76.
*
* @param ni the ieee80211_node to return the transmit rate for
* @param mcs the MCS rate to select
*/
void void
ieee80211_node_set_txrate_ht_mcsrate(struct ieee80211_node *ni, ieee80211_node_set_txrate_ht_mcsrate(struct ieee80211_node *ni,
uint8_t mcs) uint8_t mcs)
{ {
KASSERT(mcs <= 76, ("%s: MCS is not 0..76 (%d)", __func__, mcs)); KASSERT(mcs <= 76, ("%s: MCS is not 0..76 (%d)", __func__, mcs));
if (mcs > 76) { if (mcs > 76) {
ic_printf(ni->ni_ic, "%s: invalid MCS (%d)\n", __func__, mcs); ic_printf(ni->ni_ic, "%s: invalid MCS (%d)\n", __func__, mcs);
return; return;
} }
ni->ni_txrate = IEEE80211_RATE_MCS | mcs;
ni->ni_txrate.type = IEEE80211_NODE_TXRATE_LEGACY;
ni->ni_txrate.mcs = ni->ni_txrate.nss = 0;
ni->ni_txrate.dot11rate = IEEE80211_RATE_MCS | mcs;
} }
/* /*
* @brief Fetch the transmit rate for the given node in kbit/s. * @brief Fetch the transmit rate for the given node in kbit/s.
* *
* This currently only works for CCK, OFDM and HT rates. * This currently only works for CCK, OFDM and HT rates.
* *
* @param ni struct ieee80211_node * to lookup * @param ni struct ieee80211_node * to lookup
* @returns current transmit rate in kbit/s * @returns current transmit rate in kbit/s
*/ */
uint32_t uint32_t
ieee80211_node_get_txrate_kbit(struct ieee80211_node *ni) ieee80211_node_get_txrate_kbit(struct ieee80211_node *ni)
{ {
uint32_t mbps; uint32_t mbps;
if (ni->ni_txrate & IEEE80211_RATE_MCS) { /*
* TODO: only handle legacy/HT rates, VHT will need
* to use other logic.
*/
switch (ni->ni_txrate.type) {
case IEEE80211_NODE_TXRATE_LEGACY:
break;
case IEEE80211_NODE_TXRATE_VHT:
default:
printf("%s: called for VHT / unknown rate (type %d)!\n",
__func__, ni->ni_txrate.type);
return (0);
}
/* Legacy / MCS rates */
if (ni->ni_txrate.dot11rate & IEEE80211_RATE_MCS) {
const struct ieee80211_mcs_rates *mcs = const struct ieee80211_mcs_rates *mcs =
&ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; &ieee80211_htrates[ni->ni_txrate.dot11rate &~
IEEE80211_RATE_MCS];
bzUnsubmitted
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That ~ again; also indentation on the line below should be another 4 spaces.

bz: That ~ again; also indentation on the line below should be another 4 spaces.
if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
/* Note: these are in 1/2Mbit/s units */ /* Note: these are in 1/2Mbit/s units */
if (ni->ni_flags & IEEE80211_NODE_SGI40) if (ni->ni_flags & IEEE80211_NODE_SGI40)
mbps = mcs->ht40_rate_800ns; mbps = mcs->ht40_rate_800ns;
else else
mbps = mcs->ht40_rate_400ns; mbps = mcs->ht40_rate_400ns;
} else { } else {
if (ni->ni_flags & IEEE80211_NODE_SGI20) if (ni->ni_flags & IEEE80211_NODE_SGI20)
mbps = mcs->ht20_rate_800ns; mbps = mcs->ht20_rate_800ns;
else else
mbps = mcs->ht20_rate_400ns; mbps = mcs->ht20_rate_400ns;
} }
} else } else
/* Note: CCK/OFDM dot11rate entries are in 1/2Mbit/s units */ /* Note: CCK/OFDM dot11rate entries are in 1/2Mbit/s units */
mbps = ni->ni_txrate; mbps = ni->ni_txrate.dot11rate;
return (mbps * 500); return (mbps * 500);
} }