mac80211: 11h Infrastructure - Parsing
This patch introduces parsing of 11h and 11d related elements from incoming
management frames.
Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 2998e3b..8546f09 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -469,6 +469,40 @@
u8 eaddr3[6];
} __attribute__ ((packed));
+/**
+ * struct ieee80211_quiet_ie
+ *
+ * This structure refers to "Quiet information element"
+ */
+struct ieee80211_quiet_ie {
+ u8 count;
+ u8 period;
+ __le16 duration;
+ __le16 offset;
+} __attribute__ ((packed));
+
+/**
+ * struct ieee80211_msrment_ie
+ *
+ * This structure refers to "Measurement Request/Report information element"
+ */
+struct ieee80211_msrment_ie {
+ u8 token;
+ u8 mode;
+ u8 type;
+ u8 request[0];
+} __attribute__ ((packed));
+
+/**
+ * struct ieee80211_channel_sw_ie
+ *
+ * This structure refers to "Channel Switch Announcement information element"
+ */
+struct ieee80211_channel_sw_ie {
+ u8 mode;
+ u8 new_ch_num;
+ u8 count;
+} __attribute__ ((packed));
struct ieee80211_mgmt {
__le16 frame_control;
@@ -544,13 +578,18 @@
u8 action_code;
u8 element_id;
u8 length;
- u8 switch_mode;
- u8 new_chan;
- u8 switch_count;
+ struct ieee80211_channel_sw_ie sw_elem;
} __attribute__((packed)) chan_switch;
struct{
u8 action_code;
u8 dialog_token;
+ u8 element_id;
+ u8 length;
+ struct ieee80211_msrment_ie msr_elem;
+ } __attribute__((packed)) measurement;
+ struct{
+ u8 action_code;
+ u8 dialog_token;
__le16 capab;
__le16 timeout;
__le16 start_seq_num;
@@ -875,6 +914,15 @@
WLAN_CATEGORY_WMM = 17,
};
+/* SPECTRUM_MGMT action code */
+enum ieee80211_spectrum_mgmt_actioncode {
+ WLAN_ACTION_SPCT_MSR_REQ = 0,
+ WLAN_ACTION_SPCT_MSR_RPRT = 1,
+ WLAN_ACTION_SPCT_TPC_REQ = 2,
+ WLAN_ACTION_SPCT_TPC_RPRT = 3,
+ WLAN_ACTION_SPCT_CHL_SWITCH = 4,
+};
+
/* BACK action code */
enum ieee80211_back_actioncode {
WLAN_ACTION_ADDBA_REQ = 0,
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 80a9e7c..af352c0 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -791,6 +791,10 @@
u8 *preq;
u8 *prep;
u8 *perr;
+ u8 *ch_switch_elem;
+ u8 *country_elem;
+ u8 *pwr_constr_elem;
+ u8 *quiet_elem; /* first quite element */
/* length of them, respectively */
u8 ssid_len;
@@ -815,6 +819,11 @@
u8 preq_len;
u8 prep_len;
u8 perr_len;
+ u8 ch_switch_elem_len;
+ u8 country_elem_len;
+ u8 pwr_constr_elem_len;
+ u8 quiet_elem_len;
+ u8 num_of_quiet_elem; /* can be more the one */
};
static inline struct ieee80211_local *hw_to_local(
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index e06d645..3245356 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -204,6 +204,25 @@
elems->perr = pos;
elems->perr_len = elen;
break;
+ case WLAN_EID_CHANNEL_SWITCH:
+ elems->ch_switch_elem = pos;
+ elems->ch_switch_elem_len = elen;
+ break;
+ case WLAN_EID_QUIET:
+ if (!elems->quiet_elem) {
+ elems->quiet_elem = pos;
+ elems->quiet_elem_len = elen;
+ }
+ elems->num_of_quiet_elem++;
+ break;
+ case WLAN_EID_COUNTRY:
+ elems->country_elem = pos;
+ elems->country_elem_len = elen;
+ break;
+ case WLAN_EID_PWR_CONSTRAINT:
+ elems->pwr_constr_elem = pos;
+ elems->pwr_constr_elem_len = elen;
+ break;
default:
break;
}