diff options
| author | sam <sam@FreeBSD.org> | 2008-09-21 23:59:14 +0000 |
|---|---|---|
| committer | sam <sam@FreeBSD.org> | 2008-09-21 23:59:14 +0000 |
| commit | 7b36216c91f1e4ec39b40c68ee415df5c327919c (patch) | |
| tree | 7bd20b90da680e15e9b19b05542ecd4a6abe71ad /sys/net80211/ieee80211_ht.c | |
| parent | b823d18ca491ab2a0d4996a20a7368650e7d7715 (diff) | |
| download | FreeBSD-src-7b36216c91f1e4ec39b40c68ee415df5c327919c.zip FreeBSD-src-7b36216c91f1e4ec39b40c68ee415df5c327919c.tar.gz | |
MIMO power save support; still needs callbacks for notifying drivers
of dynamic state change in station mode.
Diffstat (limited to 'sys/net80211/ieee80211_ht.c')
| -rw-r--r-- | sys/net80211/ieee80211_ht.c | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/sys/net80211/ieee80211_ht.c b/sys/net80211/ieee80211_ht.c index 827336b..1f0ad17 100644 --- a/sys/net80211/ieee80211_ht.c +++ b/sys/net80211/ieee80211_ht.c @@ -1237,6 +1237,32 @@ htinfo_update_chw(struct ieee80211_node *ni, int htflags) } /* + * Update 11n MIMO PS state according to received htcap. + */ +static __inline int +htcap_update_mimo_ps(struct ieee80211_node *ni) +{ + uint16_t oflags = ni->ni_flags; + + switch (ni->ni_htcap & IEEE80211_HTCAP_SMPS) { + case IEEE80211_HTCAP_SMPS_DYNAMIC: + ni->ni_flags |= IEEE80211_NODE_MIMO_PS; + ni->ni_flags |= IEEE80211_NODE_MIMO_RTS; + break; + case IEEE80211_HTCAP_SMPS_ENA: + ni->ni_flags |= IEEE80211_NODE_MIMO_PS; + ni->ni_flags &= ~IEEE80211_NODE_MIMO_RTS; + break; + case IEEE80211_HTCAP_SMPS_OFF: + default: /* disable on rx of reserved value */ + ni->ni_flags &= ~IEEE80211_NODE_MIMO_PS; + ni->ni_flags &= ~IEEE80211_NODE_MIMO_RTS; + break; + } + return (oflags ^ ni->ni_flags); +} + +/* * Parse and update HT-related state extracted from * the HT cap and info ie's. */ @@ -1249,6 +1275,8 @@ ieee80211_ht_updateparams(struct ieee80211_node *ni, int htflags; ieee80211_parse_htcap(ni, htcapie); + if (vap->iv_htcaps & IEEE80211_HTCAP_SMPS) + htcap_update_mimo_ps(ni); if (htinfoie[0] == IEEE80211_ELEMID_VENDOR) htinfoie += 4; @@ -1279,6 +1307,8 @@ ieee80211_ht_updatehtcap(struct ieee80211_node *ni, const uint8_t *htcapie) int htflags; ieee80211_parse_htcap(ni, htcapie); + if (vap->iv_htcaps & IEEE80211_HTCAP_SMPS) + htcap_update_mimo_ps(ni); /* NB: honor operating mode constraint */ /* XXX 40 MHZ intolerant */ @@ -1660,11 +1690,29 @@ ieee80211_recv_action(struct ieee80211_node *ni, /* XXX notify on change */ } break; - case IEEE80211_ACTION_HT_MIMOPWRSAVE: + case IEEE80211_ACTION_HT_MIMOPWRSAVE: { + const struct ieee80211_action_ht_mimopowersave *mps = + (const struct ieee80211_action_ht_mimopowersave *) ia; + /* XXX check iv_htcaps */ + if (mps->am_control & IEEE80211_A_HT_MIMOPWRSAVE_ENA) + ni->ni_flags |= IEEE80211_NODE_MIMO_PS; + else + ni->ni_flags &= ~IEEE80211_NODE_MIMO_PS; + if (mps->am_control & IEEE80211_A_HT_MIMOPWRSAVE_MODE) + ni->ni_flags |= IEEE80211_NODE_MIMO_RTS; + else + ni->ni_flags &= ~IEEE80211_NODE_MIMO_RTS; + /* XXX notify on change */ IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni, - "%s: HT MIMO PS", __func__); + "%s: HT MIMO PS (%s%s)", __func__, + (ni->ni_flags & IEEE80211_NODE_MIMO_PS) ? + "on" : "off", + (ni->ni_flags & IEEE80211_NODE_MIMO_RTS) ? + "+rts" : "" + ); break; + } default: IEEE80211_NOTE(vap, IEEE80211_MSG_ACTION | IEEE80211_MSG_11N, ni, |
