mac80211: constify IE parsing
Make all the parsed IE pointers const, and propagate the change to all the users etc. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
@@ -1163,41 +1163,41 @@ struct ieee80211_ra_tid {
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/* Parsed Information Elements */
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struct ieee802_11_elems {
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u8 *ie_start;
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const u8 *ie_start;
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size_t total_len;
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/* pointers to IEs */
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u8 *ssid;
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u8 *supp_rates;
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u8 *fh_params;
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u8 *ds_params;
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u8 *cf_params;
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struct ieee80211_tim_ie *tim;
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u8 *ibss_params;
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u8 *challenge;
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u8 *rsn;
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u8 *erp_info;
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u8 *ext_supp_rates;
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u8 *wmm_info;
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u8 *wmm_param;
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struct ieee80211_ht_cap *ht_cap_elem;
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struct ieee80211_ht_operation *ht_operation;
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struct ieee80211_vht_cap *vht_cap_elem;
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struct ieee80211_vht_operation *vht_operation;
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struct ieee80211_meshconf_ie *mesh_config;
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u8 *mesh_id;
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u8 *peering;
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__le16 *awake_window;
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u8 *preq;
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u8 *prep;
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u8 *perr;
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struct ieee80211_rann_ie *rann;
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struct ieee80211_channel_sw_ie *ch_switch_ie;
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u8 *country_elem;
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u8 *pwr_constr_elem;
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u8 *quiet_elem; /* first quite element */
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u8 *timeout_int;
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u8 *opmode_notif;
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const u8 *ssid;
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const u8 *supp_rates;
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const u8 *fh_params;
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const u8 *ds_params;
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const u8 *cf_params;
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const struct ieee80211_tim_ie *tim;
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const u8 *ibss_params;
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const u8 *challenge;
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const u8 *rsn;
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const u8 *erp_info;
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const u8 *ext_supp_rates;
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const u8 *wmm_info;
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const u8 *wmm_param;
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const struct ieee80211_ht_cap *ht_cap_elem;
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const struct ieee80211_ht_operation *ht_operation;
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const struct ieee80211_vht_cap *vht_cap_elem;
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const struct ieee80211_vht_operation *vht_operation;
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const struct ieee80211_meshconf_ie *mesh_config;
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const u8 *mesh_id;
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const u8 *peering;
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const __le16 *awake_window;
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const u8 *preq;
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const u8 *prep;
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const u8 *perr;
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const struct ieee80211_rann_ie *rann;
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const struct ieee80211_channel_sw_ie *ch_switch_ie;
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const u8 *country_elem;
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const u8 *pwr_constr_elem;
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const u8 *quiet_elem; /* first quite element */
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const u8 *timeout_int;
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const u8 *opmode_notif;
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/* length of them, respectively */
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u8 ssid_len;
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@@ -1276,10 +1276,10 @@ void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata);
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int ieee80211_max_network_latency(struct notifier_block *nb,
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unsigned long data, void *dummy);
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int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
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void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
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struct ieee80211_channel_sw_ie *sw_elem,
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struct ieee80211_bss *bss,
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u64 timestamp);
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void
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ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
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const struct ieee80211_channel_sw_ie *sw_elem,
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struct ieee80211_bss *bss, u64 timestamp);
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void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata);
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void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
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void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
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@@ -1387,7 +1387,7 @@ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
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struct ieee80211_sta_ht_cap *ht_cap);
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bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
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struct ieee80211_supported_band *sband,
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struct ieee80211_ht_cap *ht_cap_ie,
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const struct ieee80211_ht_cap *ht_cap_ie,
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struct sta_info *sta);
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void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
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const u8 *da, u16 tid,
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@@ -1428,10 +1428,11 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
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u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs);
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/* VHT */
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void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
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struct ieee80211_supported_band *sband,
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struct ieee80211_vht_cap *vht_cap_ie,
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struct sta_info *sta);
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void
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ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
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struct ieee80211_supported_band *sband,
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const struct ieee80211_vht_cap *vht_cap_ie,
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struct sta_info *sta);
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enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta);
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void ieee80211_sta_set_rx_nss(struct sta_info *sta);
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void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
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@@ -1555,7 +1556,7 @@ static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local,
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void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
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u16 transaction, u16 auth_alg, u16 status,
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u8 *extra, size_t extra_len, const u8 *bssid,
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const u8 *extra, size_t extra_len, const u8 *bssid,
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const u8 *da, const u8 *key, u8 key_len, u8 key_idx,
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u32 tx_flags);
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void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
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@@ -1606,7 +1607,7 @@ int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
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/* channel management */
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void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan,
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struct ieee80211_ht_operation *ht_oper,
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const struct ieee80211_ht_operation *ht_oper,
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struct cfg80211_chan_def *chandef);
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int __must_check
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