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Code Issues Releases Activity

RSSI related syncs with the OpenBSD code:

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- read RSSI only for the active chains
- cast RSSI/NF to int8_t before passing it up to radiotap
- remove the htole64() for the timestamp

Obtained from:	OpenBSD
This commit is contained in:
Bernhard Schmidt 2011-04-16 07:32:57 +00:00
parent 1eccdf31c1
commit 65aa0234f0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=220689
1 changed files with 11 additions and 17 deletions
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28
sys/dev/iwn/if_iwn.c
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@ -2128,18 +2128,18 @@ iwn_rx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
m->m_data = head;
m->m_pkthdr.len = m->m_len = len;
rssi = hal->get_rssi(sc, stat);
/* Grab a reference to the source node. */
wh = mtod(m, struct ieee80211_frame *);
ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh);
nf = (ni != NULL && ni->ni_vap->iv_state == IEEE80211_S_RUN &&
(ic->ic_flags & IEEE80211_F_SCAN) == 0) ? sc->noise : -95;
rssi = hal->get_rssi(sc, stat);
if (ieee80211_radiotap_active(ic)) {
struct iwn_rx_radiotap_header *tap = &sc->sc_rxtap;
tap->wr_tsft = htole64(stat->tstamp);
tap->wr_tsft = stat->tstamp;
tap->wr_flags = 0;
if (stat->flags & htole16(IWN_STAT_FLAG_SHPREAMBLE))
tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
@ -2161,8 +2161,8 @@ iwn_rx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
/* Unknown rate: should not happen. */
default: tap->wr_rate = 0;
}
tap->wr_dbm_antsignal = rssi;
tap->wr_dbm_antnoise = nf;
tap->wr_dbm_antsignal = (int8_t)rssi;
tap->wr_dbm_antnoise = (int8_t)nf;
}
IWN_UNLOCK(sc);
@ -3985,18 +3985,12 @@ iwn4965_get_rssi(struct iwn_softc *sc, struct iwn_rx_stat *stat)
agc = (le16toh(phy->agc) >> 7) & 0x7f;
rssi = 0;
#if 0
if (mask & IWN_ANT_A) /* Ant A */
rssi = max(rssi, phy->rssi[0]);
if (mask & IWN_ATH_B) /* Ant B */
rssi = max(rssi, phy->rssi[2]);
if (mask & IWN_ANT_C) /* Ant C */
rssi = max(rssi, phy->rssi[4]);
#else
rssi = max(rssi, phy->rssi[0]);
rssi = max(rssi, phy->rssi[2]);
rssi = max(rssi, phy->rssi[4]);
#endif
if (mask & IWN_ANT_A)
rssi = MAX(rssi, phy->rssi[0]);
if (mask & IWN_ANT_B)
rssi = MAX(rssi, phy->rssi[2]);
if (mask & IWN_ANT_C)
rssi = MAX(rssi, phy->rssi[4]);
DPRINTF(sc, IWN_DEBUG_RECV, "%s: agc %d mask 0x%x rssi %d %d %d "
"result %d\n", __func__, agc, mask,