o add ic_rt to track the rate table for the current channel; this enables

calculation of packet transmit times to do things like check txop limits
o remove equivalent driver code and convert to use net80211 state
This commit is contained in:
Sam Leffler 2009-03-29 21:17:08 +00:00
parent f885252242
commit 26d39e2c68
15 changed files with 45 additions and 59 deletions

View file

@ -52,7 +52,6 @@ __FBSDID("$FreeBSD$");
#include <net/if_types.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_phy.h>
#include <net80211/ieee80211_radiotap.h>
#include <net80211/ieee80211_regdomain.h>
#include <net80211/ieee80211_amrr.h>
@ -1477,7 +1476,7 @@ rt2560_setup_tx_desc(struct rt2560_softc *sc, struct rt2560_tx_desc *desc,
desc->plcp_service = 4;
len += IEEE80211_CRC_LEN;
if (ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM) {
if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) {
desc->flags |= htole32(RT2560_TX_OFDM);
plcp_length = len & 0xfff;
@ -1622,7 +1621,7 @@ rt2560_tx_mgt(struct rt2560_softc *sc, struct mbuf *m0,
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
flags |= RT2560_TX_ACK;
dur = ieee80211_ack_duration(sc->sc_rates,
dur = ieee80211_ack_duration(ic->ic_rt,
rate, ic->ic_flags & IEEE80211_F_SHPREAMBLE);
*(uint16_t *)wh->i_dur = htole16(dur);
@ -1672,16 +1671,16 @@ rt2560_sendprot(struct rt2560_softc *sc,
wh = mtod(m, const struct ieee80211_frame *);
pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN;
protrate = ieee80211_ctl_rate(sc->sc_rates, rate);
ackrate = ieee80211_ack_rate(sc->sc_rates, rate);
protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
ackrate = ieee80211_ack_rate(ic->ic_rt, rate);
isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0;
dur = ieee80211_compute_duration(sc->sc_rates, pktlen, rate, isshort)
+ ieee80211_ack_duration(sc->sc_rates, rate, isshort);
dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort)
+ ieee80211_ack_duration(ic->ic_rt, rate, isshort);
flags = RT2560_TX_MORE_FRAG;
if (prot == IEEE80211_PROT_RTSCTS) {
/* NB: CTS is the same size as an ACK */
dur += ieee80211_ack_duration(sc->sc_rates, rate, isshort);
dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
flags |= RT2560_TX_ACK;
mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur);
} else {
@ -1852,7 +1851,7 @@ rt2560_tx_data(struct rt2560_softc *sc, struct mbuf *m0,
if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold)
prot = IEEE80211_PROT_RTSCTS;
else if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM)
ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM)
prot = ic->ic_protmode;
if (prot != IEEE80211_PROT_NONE) {
error = rt2560_sendprot(sc, m0, ni, prot, rate);
@ -1922,7 +1921,7 @@ rt2560_tx_data(struct rt2560_softc *sc, struct mbuf *m0,
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
flags |= RT2560_TX_ACK;
dur = ieee80211_ack_duration(sc->sc_rates,
dur = ieee80211_ack_duration(ic->ic_rt,
rate, ic->ic_flags & IEEE80211_F_SHPREAMBLE);
*(uint16_t *)wh->i_dur = htole16(dur);
}
@ -2146,8 +2145,6 @@ rt2560_set_chan(struct rt2560_softc *sc, struct ieee80211_channel *c)
chan = ieee80211_chan2ieee(ic, c);
KASSERT(chan != 0 && chan != IEEE80211_CHAN_ANY, ("chan 0x%x", chan));
sc->sc_rates = ieee80211_get_ratetable(c);
if (IEEE80211_IS_CHAN_2GHZ(c))
power = min(sc->txpow[chan - 1], 31);
else

View file

@ -122,8 +122,6 @@ struct rt2560_softc {
int sc_tx_timer;
int sc_invalid;
int sc_debug;
const struct ieee80211_rate_table *sc_rates;
/*
* The same in both up to here
* ------------------------------------------------

View file

@ -53,7 +53,6 @@ __FBSDID("$FreeBSD$");
#include <net/if_types.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_phy.h>
#include <net80211/ieee80211_radiotap.h>
#include <net80211/ieee80211_regdomain.h>
#include <net80211/ieee80211_amrr.h>
@ -320,8 +319,6 @@ rt2661_attach(device_t dev, int id)
ic->ic_vap_create = rt2661_vap_create;
ic->ic_vap_delete = rt2661_vap_delete;
sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan);
bpfattach(ifp, DLT_IEEE802_11_RADIO,
sizeof (struct ieee80211_frame) + sizeof (sc->sc_txtap));
@ -1302,7 +1299,7 @@ rt2661_setup_tx_desc(struct rt2661_softc *sc, struct rt2661_tx_desc *desc,
desc->plcp_service = 4;
len += IEEE80211_CRC_LEN;
if (ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM) {
if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) {
desc->flags |= htole32(RT2661_TX_OFDM);
plcp_length = len & 0xfff;
@ -1388,7 +1385,7 @@ rt2661_tx_mgt(struct rt2661_softc *sc, struct mbuf *m0,
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
flags |= RT2661_TX_NEED_ACK;
dur = ieee80211_ack_duration(sc->sc_rates,
dur = ieee80211_ack_duration(ic->ic_rt,
rate, ic->ic_flags & IEEE80211_F_SHPREAMBLE);
*(uint16_t *)wh->i_dur = htole16(dur);
@ -1438,16 +1435,16 @@ rt2661_sendprot(struct rt2661_softc *sc, int ac,
wh = mtod(m, const struct ieee80211_frame *);
pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN;
protrate = ieee80211_ctl_rate(sc->sc_rates, rate);
ackrate = ieee80211_ack_rate(sc->sc_rates, rate);
protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
ackrate = ieee80211_ack_rate(ic->ic_rt, rate);
isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0;
dur = ieee80211_compute_duration(sc->sc_rates, pktlen, rate, isshort)
+ ieee80211_ack_duration(sc->sc_rates, rate, isshort);
dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort)
+ ieee80211_ack_duration(ic->ic_rt, rate, isshort);
flags = RT2661_TX_MORE_FRAG;
if (prot == IEEE80211_PROT_RTSCTS) {
/* NB: CTS is the same size as an ACK */
dur += ieee80211_ack_duration(sc->sc_rates, rate, isshort);
dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
flags |= RT2661_TX_NEED_ACK;
mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur);
} else {
@ -1544,7 +1541,7 @@ rt2661_tx_data(struct rt2661_softc *sc, struct mbuf *m0,
if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold)
prot = IEEE80211_PROT_RTSCTS;
else if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM)
ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM)
prot = ic->ic_protmode;
if (prot != IEEE80211_PROT_NONE) {
error = rt2661_sendprot(sc, ac, m0, ni, prot, rate);
@ -1615,7 +1612,7 @@ rt2661_tx_data(struct rt2661_softc *sc, struct mbuf *m0,
if (!noack && !IEEE80211_IS_MULTICAST(wh->i_addr1)) {
flags |= RT2661_TX_NEED_ACK;
dur = ieee80211_ack_duration(sc->sc_rates,
dur = ieee80211_ack_duration(ic->ic_rt,
rate, ic->ic_flags & IEEE80211_F_SHPREAMBLE);
*(uint16_t *)wh->i_dur = htole16(dur);
}
@ -2041,8 +2038,6 @@ rt2661_set_chan(struct rt2661_softc *sc, struct ieee80211_channel *c)
chan = ieee80211_chan2ieee(ic, c);
KASSERT(chan != 0 && chan != IEEE80211_CHAN_ANY, ("chan 0x%x", chan));
sc->sc_rates = ieee80211_get_ratetable(c);
/* select the appropriate RF settings based on what EEPROM says */
rfprog = (sc->rfprog == 0) ? rt2661_rf5225_1 : rt2661_rf5225_2;

View file

@ -114,8 +114,6 @@ struct rt2661_softc {
int sc_tx_timer;
int sc_invalid;
int sc_debug;
const struct ieee80211_rate_table *sc_rates;
/*
* The same in both up to here
* ------------------------------------------------

View file

@ -527,8 +527,6 @@ rum_attach_post(struct usb2_proc_msg *pm)
ic->ic_vap_create = rum_vap_create;
ic->ic_vap_delete = rum_vap_delete;
sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan);
bpfattach(ifp, DLT_IEEE802_11_RADIO,
sizeof (struct ieee80211_frame) + sizeof(sc->sc_txtap));
@ -1067,7 +1065,7 @@ rum_setup_tx_desc(struct rum_softc *sc, struct rum_tx_desc *desc,
desc->plcp_service = 4;
len += IEEE80211_CRC_LEN;
if (ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM) {
if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) {
desc->flags |= htole32(RT2573_TX_OFDM);
plcp_length = len & 0xfff;
@ -1106,16 +1104,16 @@ rum_sendprot(struct rum_softc *sc,
wh = mtod(m, const struct ieee80211_frame *);
pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN;
protrate = ieee80211_ctl_rate(sc->sc_rates, rate);
ackrate = ieee80211_ack_rate(sc->sc_rates, rate);
protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
ackrate = ieee80211_ack_rate(ic->ic_rt, rate);
isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0;
dur = ieee80211_compute_duration(sc->sc_rates, pktlen, rate, isshort);
+ ieee80211_ack_duration(sc->sc_rates, rate, isshort);
dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort);
+ ieee80211_ack_duration(ic->ic_rt, rate, isshort);
flags = RT2573_TX_MORE_FRAG;
if (prot == IEEE80211_PROT_RTSCTS) {
/* NB: CTS is the same size as an ACK */
dur += ieee80211_ack_duration(sc->sc_rates, rate, isshort);
dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
flags |= RT2573_TX_NEED_ACK;
mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur);
} else {
@ -1174,7 +1172,7 @@ rum_tx_mgt(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
flags |= RT2573_TX_NEED_ACK;
dur = ieee80211_ack_duration(sc->sc_rates, tp->mgmtrate,
dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate,
ic->ic_flags & IEEE80211_F_SHPREAMBLE);
*(uint16_t *)wh->i_dur = htole16(dur);
@ -1294,7 +1292,7 @@ rum_tx_data(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold)
prot = IEEE80211_PROT_RTSCTS;
else if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM)
ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM)
prot = ic->ic_protmode;
if (prot != IEEE80211_PROT_NONE) {
error = rum_sendprot(sc, m0, ni, prot, rate);
@ -1318,7 +1316,7 @@ rum_tx_data(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
flags |= RT2573_TX_NEED_ACK;
flags |= RT2573_TX_MORE_FRAG;
dur = ieee80211_ack_duration(sc->sc_rates, rate,
dur = ieee80211_ack_duration(ic->ic_rt, rate,
ic->ic_flags & IEEE80211_F_SHPREAMBLE);
*(uint16_t *)wh->i_dur = htole16(dur);
}
@ -2367,7 +2365,6 @@ rum_set_channel(struct ieee80211com *ic)
RUM_LOCK(sc);
/* do it in a process context */
sc->sc_scan_action = RUM_SET_CHANNEL;
sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan);
rum_queue_command(sc, rum_scantask,
&sc->sc_scantask[0].hdr, &sc->sc_scantask[1].hdr);
RUM_UNLOCK(sc);

View file

@ -101,7 +101,6 @@ struct rum_softc {
struct usb2_device *sc_udev;
struct usb2_process sc_tq;
const struct ieee80211_rate_table *sc_rates;
struct usb2_xfer *sc_xfer[RUM_N_TRANSFER];
struct rum_task *sc_last_task;

View file

@ -518,8 +518,6 @@ ural_attach_post(struct usb2_proc_msg *pm)
ic->ic_vap_create = ural_vap_create;
ic->ic_vap_delete = ural_vap_delete;
sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan);
bpfattach(ifp, DLT_IEEE802_11_RADIO,
sizeof (struct ieee80211_frame) + sizeof(sc->sc_txtap));
@ -1108,7 +1106,7 @@ ural_setup_tx_desc(struct ural_softc *sc, struct ural_tx_desc *desc,
desc->plcp_service = 4;
len += IEEE80211_CRC_LEN;
if (ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM) {
if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) {
desc->flags |= htole32(RAL_TX_OFDM);
plcp_length = len & 0xfff;
@ -1209,7 +1207,7 @@ ural_tx_mgt(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
flags |= RAL_TX_ACK;
dur = ieee80211_ack_duration(sc->sc_rates, tp->mgmtrate,
dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate,
ic->ic_flags & IEEE80211_F_SHPREAMBLE);
*(uint16_t *)wh->i_dur = htole16(dur);
@ -1249,16 +1247,16 @@ ural_sendprot(struct ural_softc *sc,
wh = mtod(m, const struct ieee80211_frame *);
pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN;
protrate = ieee80211_ctl_rate(sc->sc_rates, rate);
ackrate = ieee80211_ack_rate(sc->sc_rates, rate);
protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
ackrate = ieee80211_ack_rate(ic->ic_rt, rate);
isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0;
dur = ieee80211_compute_duration(sc->sc_rates, pktlen, rate, isshort);
+ ieee80211_ack_duration(sc->sc_rates, rate, isshort);
dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort);
+ ieee80211_ack_duration(ic->ic_rt, rate, isshort);
flags = RAL_TX_RETRY(7);
if (prot == IEEE80211_PROT_RTSCTS) {
/* NB: CTS is the same size as an ACK */
dur += ieee80211_ack_duration(sc->sc_rates, rate, isshort);
dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
flags |= RAL_TX_ACK;
mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur);
} else {
@ -1376,7 +1374,7 @@ ural_tx_data(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold)
prot = IEEE80211_PROT_RTSCTS;
else if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
ieee80211_rate2phytype(sc->sc_rates, rate) == IEEE80211_T_OFDM)
ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM)
prot = ic->ic_protmode;
if (prot != IEEE80211_PROT_NONE) {
error = ural_sendprot(sc, m0, ni, prot, rate);
@ -1400,7 +1398,7 @@ ural_tx_data(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
flags |= RAL_TX_ACK;
flags |= RAL_TX_RETRY(7);
dur = ieee80211_ack_duration(sc->sc_rates, rate,
dur = ieee80211_ack_duration(ic->ic_rt, rate,
ic->ic_flags & IEEE80211_F_SHPREAMBLE);
*(uint16_t *)wh->i_dur = htole16(dur);
}
@ -1742,8 +1740,6 @@ ural_set_channel(struct ieee80211com *ic)
sc->sc_scan_action = URAL_SET_CHANNEL;
ural_queue_command(sc, ural_scantask,
&sc->sc_scantask[0].hdr, &sc->sc_scantask[1].hdr);
sc->sc_rates = ieee80211_get_ratetable(ic->ic_curchan);
RAL_UNLOCK(sc);
}

View file

@ -106,8 +106,6 @@ struct ural_softc {
struct usb2_device *sc_udev;
struct usb2_process sc_tq;
const struct ieee80211_rate_table *sc_rates;
uint32_t asic_rev;
uint8_t rf_rev;

View file

@ -46,7 +46,6 @@
#include <net80211/ieee80211_radiotap.h>
#include <net80211/ieee80211_amrr.h>
#include <net80211/ieee80211_regdomain.h>
#include <net80211/ieee80211_phy.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>

View file

@ -186,6 +186,7 @@ ieee80211_chan_init(struct ieee80211com *ic)
ic->ic_csa_newchan = NULL;
/* arbitrarily pick the first channel */
ic->ic_curchan = &ic->ic_channels[0];
ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
/* fillin well-known rate sets if driver has not specified */
DEFAULTRATES(IEEE80211_MODE_11B, ieee80211_rateset_11b);

View file

@ -1871,6 +1871,7 @@ setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
vap->iv_bss->ni_chan = ic->ic_curchan;
} else
ic->ic_curchan = vap->iv_des_chan;
ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
} else {
/*
* Need to go through the state machine in case we
@ -1886,6 +1887,7 @@ setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
* there is immediate feedback; e.g. via ifconfig.
*/
ic->ic_curchan = vap->iv_des_chan;
ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
}
}
return error;

View file

@ -627,6 +627,7 @@ ieee80211_sync_curchan(struct ieee80211com *ic)
if (c != ic->ic_curchan) {
ic->ic_curchan = c;
ic->ic_curmode = ieee80211_chan2mode(ic->ic_curchan);
ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
ic->ic_set_channel(ic);
}
}
@ -651,6 +652,7 @@ ieee80211_setcurchan(struct ieee80211com *ic, struct ieee80211_channel *c)
}
ic->ic_bsschan = ic->ic_curchan = c;
ic->ic_curmode = ieee80211_chan2mode(ic->ic_curchan);
ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
ic->ic_set_channel(ic);
}

View file

@ -298,6 +298,7 @@ change_channel(struct ieee80211com *ic,
struct ieee80211_channel *chan)
{
ic->ic_curchan = chan;
ic->ic_rt = ieee80211_get_ratetable(chan);
ic->ic_set_channel(ic);
}

View file

@ -490,6 +490,7 @@ ieee80211_dturbo_switch(struct ieee80211vap *vap, int newflags)
ic->ic_bsschan = chan;
ic->ic_prevchan = ic->ic_curchan;
ic->ic_curchan = chan;
ic->ic_rt = ieee80211_get_ratetable(chan);
ic->ic_set_channel(ic);
/* NB: do not need to reset ERP state 'cuz we're in sta mode */
}

View file

@ -47,6 +47,7 @@
#include <net80211/ieee80211_crypto.h>
#include <net80211/ieee80211_dfs.h>
#include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */
#include <net80211/ieee80211_phy.h>
#include <net80211/ieee80211_power.h>
#include <net80211/ieee80211_node.h>
#include <net80211/ieee80211_proto.h>
@ -161,6 +162,7 @@ struct ieee80211com {
uint8_t ic_chan_active[IEEE80211_CHAN_BYTES];
uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES];
struct ieee80211_channel *ic_curchan; /* current channel */
const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
struct ieee80211_channel *ic_bsschan; /* bss channel */
struct ieee80211_channel *ic_prevchan; /* previous channel */
struct ieee80211_regdomain ic_regdomain;/* regulatory data */