diff options
Diffstat (limited to 'sys/net80211/ieee80211_ht.c')
| -rw-r--r-- | sys/net80211/ieee80211_ht.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sys/net80211/ieee80211_ht.c b/sys/net80211/ieee80211_ht.c index 8c4d7d3..61c84e9 100644 --- a/sys/net80211/ieee80211_ht.c +++ b/sys/net80211/ieee80211_ht.c @@ -217,6 +217,9 @@ static int ieee80211_addba_response(struct ieee80211_node *ni, int code, int baparamset, int batimeout); static void ieee80211_addba_stop(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap); +static void null_addba_response_timeout(struct ieee80211_node *ni, + struct ieee80211_tx_ampdu *tap); + static void ieee80211_bar_response(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap, int status); static void ampdu_tx_stop(struct ieee80211_tx_ampdu *tap); @@ -234,6 +237,7 @@ ieee80211_ht_attach(struct ieee80211com *ic) ic->ic_ampdu_enable = ieee80211_ampdu_enable; ic->ic_addba_request = ieee80211_addba_request; ic->ic_addba_response = ieee80211_addba_response; + ic->ic_addba_response_timeout = null_addba_response_timeout; ic->ic_addba_stop = ieee80211_addba_stop; ic->ic_bar_response = ieee80211_bar_response; ic->ic_ampdu_rx_start = ampdu_rx_start; @@ -1691,14 +1695,23 @@ ampdu_tx_stop(struct ieee80211_tx_ampdu *tap) tap->txa_flags &= ~(IEEE80211_AGGR_SETUP | IEEE80211_AGGR_NAK); } +/* + * ADDBA response timeout. + * + * If software aggregation and per-TID queue management was done here, + * that queue would be unpaused after the ADDBA timeout occurs. + */ static void addba_timeout(void *arg) { struct ieee80211_tx_ampdu *tap = arg; + struct ieee80211_node *ni = tap->txa_ni; + struct ieee80211com *ic = ni->ni_ic; /* XXX ? */ tap->txa_flags &= ~IEEE80211_AGGR_XCHGPEND; tap->txa_attempts++; + ic->ic_addba_response_timeout(ni, tap); } static void @@ -1721,6 +1734,12 @@ addba_stop_timeout(struct ieee80211_tx_ampdu *tap) } } +static void +null_addba_response_timeout(struct ieee80211_node *ni, + struct ieee80211_tx_ampdu *tap) +{ +} + /* * Default method for requesting A-MPDU tx aggregation. * We setup the specified state block and start a timer @@ -2520,6 +2539,7 @@ ieee80211_add_htcap_body(uint8_t *frm, struct ieee80211_node *ni) frm[1] = (v) >> 8; \ frm += 2; \ } while (0) + struct ieee80211com *ic = ni->ni_ic; struct ieee80211vap *vap = ni->ni_vap; uint16_t caps, extcaps; int rxmax, density; @@ -2543,6 +2563,17 @@ ieee80211_add_htcap_body(uint8_t *frm, struct ieee80211_node *ni) /* use advertised setting (XXX locally constraint) */ rxmax = MS(ni->ni_htparam, IEEE80211_HTCAP_MAXRXAMPDU); density = MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY); + + /* + * NB: Hardware might support HT40 on some but not all + * channels. We can't determine this earlier because only + * after association the channel is upgraded to HT based + * on the negotiated capabilities. + */ + if (ni->ni_chan != IEEE80211_CHAN_ANYC && + findhtchan(ic, ni->ni_chan, IEEE80211_CHAN_HT40U) == NULL && + findhtchan(ic, ni->ni_chan, IEEE80211_CHAN_HT40D) == NULL) + caps &= ~IEEE80211_HTCAP_CHWIDTH40; } else { /* override 20/40 use based on current channel */ if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) |
