cfg80211/mac80211: move information element parsing logic to cfg80211

Moving the parsing logic for retrieving the information elements
stored in management frames, e.g. beacons or probe responses,
and making it available to other cfg80211 drivers.

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index ab1244075925..de140d428118 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2240,6 +2240,69 @@ extern int ieee80211_radiotap_iterator_next(
 extern const unsigned char rfc1042_header[6];
 extern const unsigned char bridge_tunnel_header[6];
 
+/* Parsed Information Elements */
+struct ieee802_11_elems {
+        u8 *ie_start;
+        size_t total_len;
+
+        /* pointers to IEs */
+        u8 *ssid;
+        u8 *supp_rates;
+        u8 *fh_params;
+        u8 *ds_params;
+        u8 *cf_params;
+        struct ieee80211_tim_ie *tim;
+        u8 *ibss_params;
+        u8 *challenge;
+        u8 *wpa;
+        u8 *rsn;
+        u8 *erp_info;
+        u8 *ext_supp_rates;
+        u8 *wmm_info;
+        u8 *wmm_param;
+        struct ieee80211_ht_cap *ht_cap_elem;
+        struct ieee80211_ht_info *ht_info_elem;
+        struct ieee80211_meshconf_ie *mesh_config;
+        u8 *mesh_id;
+        u8 *peer_link;
+        u8 *preq;
+        u8 *prep;
+        u8 *perr;
+        struct ieee80211_rann_ie *rann;
+        u8 *ch_switch_elem;
+        u8 *country_elem;
+        u8 *pwr_constr_elem;
+        u8 *quiet_elem; /* first quite element */
+        u8 *timeout_int;
+
+        /* length of them, respectively */
+        u8 ssid_len;
+        u8 supp_rates_len;
+        u8 fh_params_len;
+        u8 ds_params_len;
+        u8 cf_params_len;
+        u8 tim_len;
+        u8 ibss_params_len;
+        u8 challenge_len;
+        u8 wpa_len;
+        u8 rsn_len;
+        u8 erp_info_len;
+        u8 ext_supp_rates_len;
+        u8 wmm_info_len;
+        u8 wmm_param_len;
+        u8 mesh_id_len;
+        u8 peer_link_len;
+        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 */
+        u8 timeout_int_len;
+};
+
 /**
  * ieee80211_get_hdrlen_from_skb - get header length from data
  *