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net80211/drivers: improve ieee80211_rx_stats for band

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While IEEE80211_R_BAND was defined, there was no place to store the
band.  Add a field for that, adjust ieee80211_lookup_channel_rxstatus()
to require it, and update drivers passing "R_{FREQ|IEEE}" in already to
provide the band as well.  For the moment keep the fall-back code
requiring all three fields.

Sponsored by:	The FreeBSD Foundation
MFC after:	3 days
Reviewed by:	adrian
Differential Revision: https://reviews.freebsd.org/D30662
This commit is contained in:
Bjoern A. Zeeb 2021-06-06 21:14:28 +00:00
parent 30276ef12c
commit 9a6695532b
6 changed files with 28 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sys/dev/iwm/if_iwm.c
View File

@ -3303,12 +3303,15 @@ iwm_rx_rx_mpdu(struct iwm_softc *sc, struct mbuf *m, uint32_t offset,
*/
bzero(&rxs, sizeof(rxs));
rxs.r_flags |= IEEE80211_R_IEEE | IEEE80211_R_FREQ;
rxs.r_flags |= IEEE80211_R_BAND;
rxs.r_flags |= IEEE80211_R_NF | IEEE80211_R_RSSI;
rxs.c_ieee = le16toh(phy_info->channel);
if (le16toh(phy_info->phy_flags & IWM_RX_RES_PHY_FLAGS_BAND_24)) {
rxs.c_freq = ieee80211_ieee2mhz(rxs.c_ieee, IEEE80211_CHAN_2GHZ);
rxs.c_band = IEEE80211_CHAN_2GHZ;
} else {
rxs.c_freq = ieee80211_ieee2mhz(rxs.c_ieee, IEEE80211_CHAN_5GHZ);
rxs.c_band = IEEE80211_CHAN_5GHZ;
}
/* rssi is in 1/2db units */
@ -3414,10 +3417,12 @@ iwm_rx_mpdu_mq(struct iwm_softc *sc, struct mbuf *m, uint32_t offset,
*/
bzero(&rxs, sizeof(rxs));
rxs.r_flags |= IEEE80211_R_IEEE | IEEE80211_R_FREQ;
rxs.r_flags |= IEEE80211_R_BAND;
rxs.r_flags |= IEEE80211_R_NF | IEEE80211_R_RSSI;
rxs.c_ieee = channel;
rxs.c_freq = ieee80211_ieee2mhz(rxs.c_ieee,
channel <= 14 ? IEEE80211_CHAN_2GHZ : IEEE80211_CHAN_5GHZ);
rxs.c_band = channel <= 14 ? IEEE80211_CHAN_2GHZ : IEEE80211_CHAN_5GHZ;
/* rssi is in 1/2db units */
rxs.c_rssi = rssi * 2;

2
sys/dev/rtwn/rtl8188e/r88e_rx.c
View File

@ -240,8 +240,10 @@ r88e_get_rx_stats(struct rtwn_softc *sc, struct ieee80211_rx_stats *rxs,
if (!sc->sc_ht40) { /* XXX center channel */
rxs->r_flags |= IEEE80211_R_IEEE | IEEE80211_R_FREQ;
rxs->r_flags |= IEEE80211_R_BAND;
rxs->c_ieee = physt->chan;
rxs->c_freq = ieee80211_ieee2mhz(rxs->c_ieee,
IEEE80211_CHAN_2GHZ);
rxs->c_band = IEEE80211_CHAN_2GHZ;
}
}

2
sys/dev/rtwn/rtl8812a/r12a_rx.c
View File

@ -321,8 +321,10 @@ r12a_get_rx_stats(struct rtwn_softc *sc, struct ieee80211_rx_stats *rxs,
*/
#if 0
rxs->r_flags |= IEEE80211_R_IEEE | IEEE80211_R_FREQ;
rxs->r_flags |= IEEE80211_R_BAND;
rxs->c_ieee = MS(le16toh(physt->phyw1), R12A_PHYW1_CHAN);
rxs->c_freq = ieee80211_ieee2mhz(rxs->c_ieee,
(rxs->c_ieee < 36) ? IEEE80211_CHAN_2GHZ : IEEE80211_CHAN_5GHZ);
rxs->c_band = (rxs->c_ieee < 36) ? IEEE80211_CHAN_2GHZ : IEEE80211_CHAN_5GHZ;
#endif
}

2
sys/dev/usb/wlan/if_rsu.c
View File

@ -2081,9 +2081,11 @@ rsu_event_survey(struct rsu_softc *sc, uint8_t *buf, int len)
/* Set channel flags for input path */
bzero(&rxs, sizeof(rxs));
rxs.r_flags |= IEEE80211_R_IEEE | IEEE80211_R_FREQ;
rxs.r_flags |= IEEE80211_R_BAND;
rxs.r_flags |= IEEE80211_R_NF | IEEE80211_R_RSSI;
rxs.c_ieee = le32toh(bss->config.dsconfig);
rxs.c_freq = ieee80211_ieee2mhz(rxs.c_ieee, IEEE80211_CHAN_2GHZ);
rxs.c_band = IEEE80211_CHAN_2GHZ;
/* This is a number from 0..100; so let's just divide it down a bit */
rxs.c_rssi = le32toh(bss->rssi) / 2;
rxs.c_nf = -96;

3
sys/net80211/_ieee80211.h
View File

@ -612,6 +612,9 @@ struct ieee80211_rx_stats {
uint8_t c_ieee; /* Channel */
uint8_t c_width; /* channel width, FW flags above */
/* 32 bits */
uint32_t c_band; /* Band; XXX we do not have a real band. */
/* Force alignment to DWORD */
union {
uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS];

17
sys/net80211/ieee80211.c
View File

@ -1818,6 +1818,8 @@ ieee80211_lookup_channel_rxstatus(struct ieee80211vap *vap,
return (NULL);
if ((rxs->r_flags & IEEE80211_R_IEEE) == 0)
return (NULL);
if ((rxs->r_flags & IEEE80211_R_BAND) == 0)
return (NULL);
/*
* If the rx status contains a valid ieee/freq, then
@ -1828,11 +1830,20 @@ ieee80211_lookup_channel_rxstatus(struct ieee80211vap *vap,
*/
/* Determine a band */
/* XXX should be done by the driver? */
if (rxs->c_freq < 3000) {
switch (rxs->c_band) {
case IEEE80211_CHAN_2GHZ:
flags = IEEE80211_CHAN_G;
} else {
break;
case IEEE80211_CHAN_5GHZ:
flags = IEEE80211_CHAN_A;
break;
default:
if (rxs->c_freq < 3000) {
flags = IEEE80211_CHAN_G;
} else {
flags = IEEE80211_CHAN_A;
}
break;
}
/* Channel lookup */