[ath] add the MIMO per-chain RSSI and noise floor information.
This is a long time coming. The general pieces have been floating around in a local repo since circa 2012 when I dropped the net80211 support into the tree. This allows the per-chain RSSI and NF to show up in 'ifconfig wlanX list sta'. I haven't yet implemented the EVM hookups so that'll show up; that'll come later. Thanks to Susie Hellings <susie@susie.id.au> who did the original work on this a looong time ago for a company we both worked at.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=308267
@ -635,7 +635,9 @@ ath_rx_pkt(struct ath_softc *sc, struct ath_rx_status *rs, HAL_STATUS status,
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struct mbuf *m)
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{
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uint64_t rstamp;
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int len, type;
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/* XXX TODO: make this an mbuf tag? */
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struct ieee80211_rx_stats rxs;
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int len, type, i;
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struct ieee80211com *ic = &sc->sc_ic;
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struct ieee80211_node *ni;
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int is_good = 0;
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@ -904,6 +906,33 @@ ath_rx_pkt(struct ath_softc *sc, struct ath_rx_status *rs, HAL_STATUS status,
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sc->sc_stats.ast_rx_agg++;
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#endif /* AH_SUPPORT_AR5416 */
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/*
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* Populate the per-chain RSSI values where appropriate.
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*/
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bzero(&rxs, sizeof(rxs));
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rxs.r_flags |= IEEE80211_R_NF | IEEE80211_R_RSSI |
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IEEE80211_R_C_CHAIN |
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IEEE80211_R_C_NF |
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IEEE80211_R_C_RSSI |
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IEEE80211_R_TSF64 |
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IEEE80211_R_TSF_START; /* XXX TODO: validate */
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rxs.c_rssi = rs->rs_rssi;
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rxs.c_nf = nf;
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rxs.c_chain = 3; /* XXX TODO: check */
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rxs.c_rx_tsf = rstamp;
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for (i = 0; i < 3; i++) {
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rxs.c_rssi_ctl[i] = rs->rs_rssi_ctl[i];
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rxs.c_rssi_ext[i] = rs->rs_rssi_ext[i];
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/*
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* XXX note: we currently don't track
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* per-chain noisefloor.
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*/
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rxs.c_nf_ctl[i] = nf;
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rxs.c_nf_ext[i] = nf;
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}
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if (ni != NULL) {
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/*
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* Only punt packets for ampdu reorder processing for
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@ -916,7 +945,8 @@ ath_rx_pkt(struct ath_softc *sc, struct ath_rx_status *rs, HAL_STATUS status,
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/*
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* Sending station is known, dispatch directly.
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*/
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type = ieee80211_input(ni, m, rs->rs_rssi, nf);
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(void) ieee80211_add_rx_params(m, &rxs);
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type = ieee80211_input_mimo(ni, m);
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ieee80211_free_node(ni);
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m = NULL;
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/*
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@ -929,7 +959,8 @@ ath_rx_pkt(struct ath_softc *sc, struct ath_rx_status *rs, HAL_STATUS status,
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rs->rs_keyix != HAL_RXKEYIX_INVALID)
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is_good = 1;
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} else {
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type = ieee80211_input_all(ic, m, rs->rs_rssi, nf);
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(void) ieee80211_add_rx_params(m, &rxs);
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type = ieee80211_input_mimo_all(ic, m);
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m = NULL;
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}
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