These are used in TDLS channel switching code.
Signed-off-by: Arik Nemtsov <[email protected]>
Reviewed-by: Johannes Berg <[email protected]>
Signed-off-by: Arik Nemtsov <[email protected]>
---
include/linux/ieee80211.h | 15 +++++++++++++++
net/mac80211/ieee80211_i.h | 2 ++
net/mac80211/util.c | 16 ++++++++++++++++
3 files changed, 33 insertions(+)
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index fbb02d2..4f4eea8 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1067,6 +1067,12 @@ struct ieee80211_pspoll {
/* TDLS */
+/* Channel switch timing */
+struct ieee80211_ch_switch_timing {
+ __le16 switch_time;
+ __le16 switch_timeout;
+} __packed;
+
/* Link-id information element */
struct ieee80211_tdls_lnkie {
u8 ie_type; /* Link Identifier IE */
@@ -1108,6 +1114,15 @@ struct ieee80211_tdls_data {
u8 dialog_token;
u8 variable[0];
} __packed discover_req;
+ struct {
+ u8 target_channel;
+ u8 oper_class;
+ u8 variable[0];
+ } __packed chan_switch_req;
+ struct {
+ __le16 status_code;
+ u8 variable[0];
+ } __packed chan_switch_resp;
} u;
} __packed;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 4b3a7e7..e786ab6 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1400,6 +1400,8 @@ struct ieee802_11_elems {
size_t total_len;
/* pointers to IEs */
+ const struct ieee80211_tdls_lnkie *lnk_id;
+ const struct ieee80211_ch_switch_timing *ch_sw_timing;
const u8 *ext_capab;
const u8 *ssid;
const u8 *supp_rates;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 3ca0c2e..9e5bfd6 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -832,6 +832,8 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len,
bool action,
case WLAN_EID_WIDE_BW_CHANNEL_SWITCH:
case WLAN_EID_CHAN_SWITCH_PARAM:
case WLAN_EID_EXT_CAPABILITY:
+ case WLAN_EID_CHAN_SWITCH_TIMING:
+ case WLAN_EID_LINK_ID:
/*
* not listing WLAN_EID_CHANNEL_SWITCH_WRAPPER -- it seems
possible
* that if the content gets bigger it might be needed more than
once
@@ -851,6 +853,20 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t
len, bool action,
elem_parse_failed = false;
switch (id) {
+ case WLAN_EID_LINK_ID:
+ if (elen + 2 != sizeof(struct ieee80211_tdls_lnkie)) {
+ elem_parse_failed = true;
+ break;
+ }
+ elems->lnk_id = (void *)(pos - 2);
+ break;
+ case WLAN_EID_CHAN_SWITCH_TIMING:
+ if (elen != sizeof(struct ieee80211_ch_switch_timing)) {
+ elem_parse_failed = true;
+ break;
+ }
+ elems->ch_sw_timing = (void *)pos;
+ break;
case WLAN_EID_EXT_CAPABILITY:
elems->ext_capab = pos;
elems->ext_capab_len = elen;
--
1.9.1
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