diff options
| author |   John Crispin <john@phrozen.org> | 2019-07-13 18:36:41 +0200 |
|---|---|---|
| committer |   Johannes Berg <johannes.berg@intel.com> | 2019-07-26 13:32:07 +0200 |
| commit | 2aa485e1148557215337731b2c79f5569edcbbab (patch) | |
| tree | 290276bc843fcd0c5b8eaee743db111f42f617f0 | |
| parent | cfg80211: give all multi-BSSID BSS entries the same timestamp (diff) | |
| download | linux-dev-2aa485e1148557215337731b2c79f5569edcbbab.tar.xz linux-dev-2aa485e1148557215337731b2c79f5569edcbbab.zip | |
mac80211: add support for parsing ADDBA_EXT IEs
ADDBA_EXT IEs can be used to negotiate the BA fragmentation level.
Signed-off-by: John Crispin <john@phrozen.org>
Link: https://lore.kernel.org/r/20190713163642.18491-2-john@phrozen.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to '')
| -rw-r--r-- | include/linux/ieee80211.h | 8 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 1 | ||||
| -rw-r--r-- | net/mac80211/util.c | 7 |
3 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 8511fadc0935..f36144eda5d6 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -881,6 +881,14 @@ struct ieee80211_tpc_report_ie { u8 link_margin; } __packed; +#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1) +#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1 +#define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0) + +struct ieee80211_addba_ext_ie { + u8 data; +} __packed; + struct ieee80211_mgmt { __le16 frame_control; __le16 duration; diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 004e2e3adb88..c67da3575e74 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1506,6 +1506,7 @@ struct ieee802_11_elems { u8 max_bssid_indicator; u8 dtim_count; u8 dtim_period; + const struct ieee80211_addba_ext_ie *addba_ext_ie; /* length of them, respectively */ u8 ext_capab_len; diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 1b224fa27367..3441558ef2d2 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1200,6 +1200,13 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, elems->cisco_dtpc_elem = pos; break; + case WLAN_EID_ADDBA_EXT: + if (elen != sizeof(struct ieee80211_addba_ext_ie)) { + elem_parse_failed = true; + break; + } + elems->addba_ext_ie = (void *)pos; + break; case WLAN_EID_TIMEOUT_INTERVAL: if (elen >= sizeof(struct ieee80211_timeout_interval_ie)) elems->timeout_int = (void *)pos; |