drivers/net/wireless/scsc/mgt.h

   1 /******************************************************************************
   2  *
   3  * Copyright (c) 2012 - 2019 Samsung Electronics Co., Ltd. All rights reserved
   4  *
   5  *****************************************************************************/
   6
   7 #ifndef __SLSI_MGT_H__
   8 #define __SLSI_MGT_H__
   9
  10 #include <linux/mutex.h>
  11
  12 #include "dev.h"
  13 #include "debug.h"
  14
  15 /* For 3.4.11 kernel support */
  16 #ifndef WLAN_OUI_MICROSOFT
  17 #define WLAN_OUI_MICROSOFT              0x0050f2
  18 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
  19 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
  20 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
  21 #endif
  22
  23 #define SLSI_COUNTRY_CODE_LEN 3
  24
  25 #define SLSI_EAPOL_TYPE_RSN_KEY          (2)
  26 #define SLSI_EAPOL_TYPE_WPA_KEY          (254)
  27
  28 #define SLSI_IEEE8021X_TYPE_EAPOL_KEY    3
  29 #define SLSI_IEEE8021X_TYPE_EAP_PACKET   0
  30
  31 #define SLSI_EAPOL_KEY_INFO_KEY_TYPE_BIT_IN_LOWER_BYTE      BIT(3) /* Group = 0, Pairwise = 1 */
  32 #define SLSI_EAPOL_KEY_INFO_ACK_BIT_IN_LOWER_BYTE           BIT(7)
  33 #define SLSI_EAPOL_KEY_INFO_MIC_BIT_IN_HIGHER_BYTE          BIT(0)
  34 #define SLSI_EAPOL_KEY_INFO_SECURE_BIT_IN_HIGHER_BYTE       BIT(1)
  35 /* pkt_data would start from 802.1X Authentication field (pkt_data[0] = Version).
  36  * For M4 packet, it will be something as below... member(size, position)
  37  * Version (1, 0) + Type (1, 1) + Length (2, 2:3) + Descriptor Type (1, 4) + Key Information (2, 5:6) +
  38  *  key_length(2, 7:8) + replay_counter(8, 9:16) + key_nonce(32, 17:48) + key_iv(16, 49:64) +
  39  *  key_rsc (8, 65:72) + key_id(16, 73:80) + key_mic (16, 81:96) + key_data_length(2, 97:98) +
  40  *  keydata(key_data_length, 99:99+key_data_length)
  41  */
  42 #define SLSI_EAPOL_IEEE8021X_TYPE_POS                       (1)
  43 #define SLSI_EAPOL_TYPE_POS                                 (4)
  44 #define SLSI_EAPOL_KEY_INFO_HIGHER_BYTE_POS                 (5)
  45 #define SLSI_EAPOL_KEY_INFO_LOWER_BYTE_POS                  (6)
  46 #define SLSI_EAPOL_KEY_DATA_LENGTH_HIGHER_BYTE_POS          (97)
  47 #define SLSI_EAPOL_KEY_DATA_LENGTH_LOWER_BYTE_POS           (98)
  48
  49 #define SLSI_EAP_CODE_POS                 (4)
  50 #define SLSI_EAP_PACKET_REQUEST     (1)
  51 #define SLSI_EAP_PACKET_RESPONSE   (2)
  52 #define SLSI_EAP_PACKET_SUCCESS     (3)
  53 #define SLSI_EAP_PACKET_FAILURE      (4)
  54 #define SLSI_EAP_TYPE_POS                  (8)
  55 #define SLSI_EAP_TYPE_EXPANDED       (254)
  56 #define SLSI_EAP_OPCODE_POS                      (16)
  57 #define SLSI_EAP_OPCODE_WSC_MSG          (4)
  58 #define SLSI_EAP_OPCODE_WSC_START          (1)
  59 #define SLSI_EAP_MSGTYPE_POS                    (27)
  60 #define SLSI_EAP_MSGTYPE_M8                    (12)
  61 #define SLSI_EAP_WPS_DWELL_TIME           (100000)       /*100 ms */
  62 #define SLSI_EAP_TYPE_IDENTITY           (1)
  63
  64 #define SLSI_80211_AC_VO 0
  65 #define SLSI_80211_AC_VI 1
  66 #define SLSI_80211_AC_BE 2
  67 #define SLSI_80211_AC_BK 3
  68
  69 /* IF Number (Index) based checks */
  70 #define SLSI_IS_VIF_INDEX_WLAN(ndev_vif) (ndev_vif->ifnum == SLSI_NET_INDEX_WLAN)
  71 #define SLSI_IS_VIF_INDEX_P2P(ndev_vif) (ndev_vif->ifnum == SLSI_NET_INDEX_P2P)
  72 #ifdef CONFIG_SCSC_WLAN_WIFI_SHARING
  73 #define SLSI_IS_VIF_INDEX_P2P_GROUP(sdev, ndev_vif) ((ndev_vif->ifnum == SLSI_NET_INDEX_P2PX_SWLAN) &&\
  74                                                      (sdev->netdev_ap != sdev->netdev[SLSI_NET_INDEX_P2PX_SWLAN]))
  75 #define SLSI_IS_VIF_INDEX_MHS(sdev, ndev_vif) ((ndev_vif->ifnum == SLSI_NET_INDEX_P2PX_SWLAN) &&\
  76                                                (sdev->netdev_ap == sdev->netdev[SLSI_NET_INDEX_P2PX_SWLAN]))
  77 #else
  78 #define SLSI_IS_VIF_INDEX_P2P_GROUP(sdev, ndev_vif) (ndev_vif->ifnum == SLSI_NET_INDEX_P2PX_SWLAN)
  79 #endif
  80 #define SLSI_IS_VIF_INDEX_NAN(ndev_vif) ((ndev_vif)->ifnum == SLSI_NET_INDEX_NAN)
  81
  82 /* Check for P2P unsync vif type */
  83 #define SLSI_IS_P2P_UNSYNC_VIF(ndev_vif) ((ndev_vif->ifnum == SLSI_NET_INDEX_P2P) && (ndev_vif->vif_type == FAPI_VIFTYPE_UNSYNCHRONISED))
  84
  85 /* Check for HS unsync vif type */
  86 #define SLSI_IS_HS2_UNSYNC_VIF(ndev_vif) ((ndev_vif->ifnum == SLSI_NET_INDEX_WLAN) && (ndev_vif->vif_type == FAPI_VIFTYPE_UNSYNCHRONISED))
  87
  88 /* Check for P2P Group role */
  89 #define SLSI_IS_P2P_GROUP_STATE(sdev)  ((sdev->p2p_state == P2P_GROUP_FORMED_GO) || (sdev->p2p_state == P2P_GROUP_FORMED_CLI))
  90
  91 /* Extra delay to wait after MLME-Roam.Response before obtaining roam reports */
  92 #define SLSI_STA_ROAM_REPORT_EXTRA_DELAY_MSEC 50
  93
  94 /* Extra duration in addition to ROC duration - For any workqueue scheduling delay */
  95 #define SLSI_P2P_ROC_EXTRA_MSEC 10
  96
  97 /* Extra duration to retain unsync vif even after ROC/mgmt_tx completes */
  98 #define SLSI_P2P_UNSYNC_VIF_EXTRA_MSEC  2000
  99 /* Extra duration to retain HS2 unsync vif even after mgmt_tx completes */
 100 #define SLSI_HS2_UNSYNC_VIF_EXTRA_MSEC  1000
 101
 102 /* Increased wait duration to retain unsync vif for GO-Negotiated to complete
 103  * due to delayed response or, to allow peer to retry GO-Negotiation
 104  */
 105 #define SLSI_P2P_NEG_PROC_UNSYNC_VIF_RETAIN_DURATION 3000
 106
 107 /* Increased wait duration to send unset channel to Fw.
 108  * This would increase the listen time.
 109  */
 110 #define SLSI_P2P_UNSET_CHANNEL_EXTRA_MSEC 600
 111 /* Extra duration in addition to mgmt tx wait */
 112 #define SLSI_P2P_MGMT_TX_EXTRA_MSEC  100
 113
 114 #define SLSI_FORCE_SCHD_ACT_FRAME_MSEC 100
 115 #define SLSI_P2PGO_KEEP_ALIVE_PERIOD_SEC 10
 116 #define SLSI_P2PGC_CONN_TIMEOUT_MSEC 10000
 117
 118 /* P2P Public Action Frames */
 119 #define SLSI_P2P_PA_GO_NEG_REQ  0
 120 #define SLSI_P2P_PA_GO_NEG_RSP          1
 121 #define SLSI_P2P_PA_GO_NEG_CFM  2
 122 #define SLSI_P2P_PA_INV_REQ 3
 123 #define SLSI_P2P_PA_INV_RSP 4
 124 #define SLSI_P2P_PA_DEV_DISC_REQ        5
 125 #define SLSI_P2P_PA_DEV_DISC_RSP        6
 126 #define SLSI_P2P_PA_PROV_DISC_REQ       7
 127 #define SLSI_P2P_PA_PROV_DISC_RSP       8
 128 #define SLSI_P2P_PA_INVALID 0xFF
 129
 130 /* Service discovery public action frame types */
 131 #define SLSI_PA_GAS_INITIAL_REQ  (10)
 132 #define SLSI_PA_GAS_INITIAL_RSP  (11)
 133 #define SLSI_PA_GAS_COMEBACK_REQ (12)
 134 #define SLSI_PA_GAS_COMEBACK_RSP (13)
 135
 136 /*Radio Measurement action frames types */
 137 #define SLSI_RM_RADIO_MEASUREMENT_REQ (0)
 138 #define SLSI_RM_RADIO_MEASUREMENT_REP (1)
 139 #define SLSI_RM_LINK_MEASUREMENT_REQ  (2)
 140 #define SLSI_RM_LINK_MEASUREMENT_REP  (3)
 141 #define SLSI_RM_NEIGH_REP_REQ         (4)
 142 #define SLSI_RM_NEIGH_REP_RSP         (5)
 143
 144 #define SLSI_WNM_ACTION_FIELD_MIN (0)
 145 #define SLSI_WNM_ACTION_FIELD_MAX (27)
 146
 147 /* For service discovery action frames dummy subtype is used by setting the 7th bit */
 148 #define SLSI_PA_GAS_DUMMY_SUBTYPE_MASK   0x80
 149 #define SLSI_PA_GAS_INITIAL_REQ_SUBTYPE  (SLSI_PA_GAS_INITIAL_REQ | SLSI_PA_GAS_DUMMY_SUBTYPE_MASK)
 150 #define SLSI_PA_GAS_INITIAL_RSP_SUBTYPE  (SLSI_PA_GAS_INITIAL_RSP | SLSI_PA_GAS_DUMMY_SUBTYPE_MASK)
 151 #define SLSI_PA_GAS_COMEBACK_REQ_SUBTYPE (SLSI_PA_GAS_COMEBACK_REQ | SLSI_PA_GAS_DUMMY_SUBTYPE_MASK)
 152 #define SLSI_PA_GAS_COMEBACK_RSP_SUBTYPE (SLSI_PA_GAS_COMEBACK_RSP | SLSI_PA_GAS_DUMMY_SUBTYPE_MASK)
 153
 154 #define SLSI_P2P_STATUS_ATTR_ID 0
 155 #define SLSI_P2P_STATUS_CODE_SUCCESS 0
 156
 157 #define SLSI_ROAMING_CHANNEL_CACHE_TIMEOUT (5 * 60)
 158
 159 #define SLSI_RX_SEQ_NUM_MASK        0xFFF
 160 #define SLSI_RX_VIA_TDLS_LINK       0x8000
 161
 162 #define SET_ETHERTYPE_PATTERN_DESC(pd, ethertype) \
 163         pd.offset  = 0x0C; \
 164         pd.mask_length = 2; \
 165         pd.mask[0] = 0xff; \
 166         pd.mask[1] = 0xff; \
 167         pd.pattern[0] = ethertype >> 8; \
 168         pd.pattern[1] = ethertype & 0xFF
 169
 170 /* For checking DHCP frame */
 171 #define SLSI_IP_TYPE_UDP 0x11
 172 #define SLSI_IP_TYPE_OFFSET 23
 173 #define SLSI_IP_SOURCE_PORT_OFFSET 34
 174 #define SLSI_IP_DEST_PORT_OFFSET 36
 175 #define SLSI_DHCP_SERVER_PORT 67
 176 #define SLSI_DHCP_CLIENT_PORT 68
 177 #define SLSI_DNS_DEST_PORT 53
 178 #define SLSI_MDNS_DEST_PORT 5353
 179
 180 #define SLSI_DHCP_MSG_MAGIC_OFFSET 278
 181 #define SLSI_DHCP_OPTION 53
 182 #define SLSI_DHCP_MESSAGE_TYPE_DISCOVER   0x01
 183 #define SLSI_DHCP_MESSAGE_TYPE_OFFER      0x02
 184 #define SLSI_DHCP_MESSAGE_TYPE_REQUEST    0x03
 185 #define SLSI_DHCP_MESSAGE_TYPE_DECLINE    0x04
 186 #define SLSI_DHCP_MESSAGE_TYPE_ACK        0x05
 187 #define SLSI_DHCP_MESSAGE_TYPE_NAK        0x06
 188 #define SLSI_DHCP_MESSAGE_TYPE_RELEASE    0x07
 189 #define SLSI_DHCP_MESSAGE_TYPE_INFORM     0x08
 190 #define SLSI_DHCP_MESSAGE_TYPE_FORCERENEW 0x09
 191 #define SLSI_DHCP_MESSAGE_TYPE_INVALID    0x0A
 192
 193 #ifdef CONFIG_SCSC_WLAN_STA_ENHANCED_ARP_DETECT
 194 #define SLSI_MAX_ARP_SEND_FRAME  8
 195 #endif
 196 #define SLSI_ARP_SRC_IP_ADDR_OFFSET   14
 197 #define SLSI_ARP_DEST_IP_ADDR_OFFSET  24
 198 #define SLSI_IS_GRATUITOUS_ARP(frame) (!memcmp(&frame[SLSI_ARP_SRC_IP_ADDR_OFFSET],\
 199                                                &frame[SLSI_ARP_DEST_IP_ADDR_OFFSET], 4))
 200 #define SLSI_ARP_REPLY_OPCODE  2
 201 #define SLSI_ARP_REQUEST_OPCODE  1
 202 #define SLSI_ARP_OPCODE_OFFSET  6
 203
 204 #if (LINUX_VERSION_CODE <= KERNEL_VERSION(4, 4, 0))
 205         #define WLAN_CATEGORY_WNM 10
 206 #endif
 207
 208 enum slsi_dhcp_tx {
 209         SLSI_TX_IS_NOT_DHCP,
 210         SLSI_TX_IS_DHCP_SERVER,
 211         SLSI_TX_IS_DHCP_CLIENT
 212 };
 213
 214 enum slsi_fw_regulatory_rule_flags {
 215         SLSI_REGULATORY_NO_IR = 1 << 0,
 216                 SLSI_REGULATORY_DFS = 1 << 1,
 217                 SLSI_REGULATORY_NO_OFDM = 1 << 2,
 218                 SLSI_REGULATORY_NO_INDOOR = 1 << 3,
 219                 SLSI_REGULATORY_NO_OUTDOOR = 1 << 4
 220 };
 221
 222 enum slsi_sta_conn_state {
 223         SLSI_STA_CONN_STATE_DISCONNECTED = 0,
 224         SLSI_STA_CONN_STATE_CONNECTING = 1,
 225         SLSI_STA_CONN_STATE_DOING_KEY_CONFIG = 2,
 226         SLSI_STA_CONN_STATE_CONNECTED = 3
 227 };
 228
 229 #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0))
 230 static inline unsigned compare_ether_addr(const u8 *addr1, const u8 *addr2)
 231 {
 232         return !ether_addr_equal(addr1, addr2);
 233 }
 234 #endif
 235
 236 /**
 237  * Peer record handling:
 238  * Records are created/destroyed by the control path eg cfg80211 connect or
 239  * when handling a MLME-CONNECT-IND when the VIA is an AP.
 240  *
 241  * However peer records are also currently accessed from the data path in both
 242  * Tx and Rx directions:
 243  * Tx - to determine the queueset
 244  * Rx - for routing received packets back out to peers
 245  *
 246  * So the interactions required for the data path:
 247  * 1. can NOT block
 248  * 2. needs to be as quick as possible
 249  */
 250 static inline struct slsi_peer *slsi_get_peer_from_mac(struct slsi_dev *sdev, struct net_device *dev, const u8 *mac)
 251 {
 252         struct netdev_vif *ndev_vif = netdev_priv(dev);
 253
 254         (void)sdev; /* unused */
 255
 256         /* Accesses the peer records but doesn't block as called from the data path.
 257          * MUST check the valid flag on the record before accessing any other data in the record.
 258          * Records are static, so having obtained a pointer the pointer will remain valid
 259          * it just maybe the data that it points to gets set to ZERO.
 260          */
 261
 262         if (ndev_vif->vif_type == FAPI_VIFTYPE_STATION) {
 263                 if (ndev_vif->sta.tdls_enabled) {
 264                         int i;
 265
 266                         for (i = 1; i < SLSI_TDLS_PEER_INDEX_MAX; i++)
 267                                 if (ndev_vif->peer_sta_record[i] && ndev_vif->peer_sta_record[i]->valid &&
 268                                     compare_ether_addr(ndev_vif->peer_sta_record[i]->address, mac) == 0)
 269                                         return ndev_vif->peer_sta_record[i];
 270                 }
 271                 if (ndev_vif->peer_sta_record[SLSI_STA_PEER_QUEUESET] && ndev_vif->peer_sta_record[SLSI_STA_PEER_QUEUESET]->valid)
 272                         return ndev_vif->peer_sta_record[SLSI_STA_PEER_QUEUESET];
 273         } else if (ndev_vif->vif_type == FAPI_VIFTYPE_AP) {
 274                 int i = 0;
 275
 276                 for (i = 0; i < SLSI_PEER_INDEX_MAX; i++)
 277                         if (ndev_vif->peer_sta_record[i] && ndev_vif->peer_sta_record[i]->valid &&
 278                             compare_ether_addr(ndev_vif->peer_sta_record[i]->address, mac) == 0)
 279                                 return ndev_vif->peer_sta_record[i];
 280         }
 281         return NULL;
 282 }
 283
 284 static inline struct slsi_peer *slsi_get_peer_from_qs(struct slsi_dev *sdev, struct net_device *dev, u16 queueset)
 285 {
 286         struct netdev_vif *ndev_vif = netdev_priv(dev);
 287
 288         (void)sdev; /* unused */
 289
 290         if (!ndev_vif->peer_sta_record[queueset] || !ndev_vif->peer_sta_record[queueset]->valid)
 291                 return NULL;
 292
 293         return ndev_vif->peer_sta_record[queueset];
 294 }
 295
 296 static inline bool slsi_is_tdls_peer(struct net_device *dev, struct slsi_peer *peer)
 297 {
 298         struct netdev_vif *ndev_vif = netdev_priv(dev);
 299
 300         return (ndev_vif->vif_type == FAPI_VIFTYPE_STATION) && (peer->aid >= SLSI_TDLS_PEER_INDEX_MIN);
 301 }
 302
 303 static inline bool slsi_is_proxy_arp_supported_on_ap(struct sk_buff *assoc_resp_ie)
 304 {
 305         const u8 *ie = cfg80211_find_ie(WLAN_EID_EXT_CAPABILITY, assoc_resp_ie->data, assoc_resp_ie->len);
 306
 307         if ((ie) && (ie[1] > 1))
 308                 return ie[3] & 0x10;     /*0: eid, 1: len; 3: proxy arp is 12th bit*/
 309
 310         return 0;
 311 }
 312
 313 static inline int slsi_cache_ies(const u8 *src_ie, size_t src_ie_len, u8 **dest_ie, size_t *dest_ie_len)
 314 {
 315         *dest_ie = kmalloc(src_ie_len, GFP_KERNEL);
 316         if (*dest_ie == NULL)
 317                 return -ENOMEM;
 318
 319         memcpy(*dest_ie, src_ie, src_ie_len);
 320         *dest_ie_len = src_ie_len;
 321
 322         return 0;
 323 }
 324
 325 static inline void slsi_clear_cached_ies(u8 **ie, size_t *ie_len)
 326 {
 327         if (*ie_len != 0)
 328                 kfree(*ie);
 329         *ie = NULL;
 330         *ie_len = 0;
 331 }
 332
 333 /* P2P Public Action frame subtype in text format for debug purposes */
 334 static inline char *slsi_p2p_pa_subtype_text(int subtype)
 335 {
 336         switch (subtype) {
 337         case SLSI_P2P_PA_GO_NEG_REQ:
 338                 return "GO_NEG_REQ";
 339         case SLSI_P2P_PA_GO_NEG_RSP:
 340                 return "GO_NEG_RSP";
 341         case SLSI_P2P_PA_GO_NEG_CFM:
 342                 return "GO_NEG_CFM";
 343         case SLSI_P2P_PA_INV_REQ:
 344                 return "INV_REQ";
 345         case SLSI_P2P_PA_INV_RSP:
 346                 return "INV_RSP";
 347         case SLSI_P2P_PA_DEV_DISC_REQ:
 348                 return "DEV_DISC_REQ";
 349         case SLSI_P2P_PA_DEV_DISC_RSP:
 350                 return "DEV_DISC_RSP";
 351         case SLSI_P2P_PA_PROV_DISC_REQ:
 352                 return "PROV_DISC_REQ";
 353         case SLSI_P2P_PA_PROV_DISC_RSP:
 354                 return "PROV_DISC_RSP";
 355         case SLSI_PA_GAS_INITIAL_REQ_SUBTYPE:
 356                 return "GAS_INITIAL_REQUEST";
 357         case SLSI_PA_GAS_INITIAL_RSP_SUBTYPE:
 358                 return "GAS_INITIAL_RESPONSE";
 359         case SLSI_PA_GAS_COMEBACK_REQ_SUBTYPE:
 360                 return "GAS_COMEBACK_REQUEST";
 361         case SLSI_PA_GAS_COMEBACK_RSP_SUBTYPE:
 362                 return "GAS_COMEBACK_RESPONSE";
 363         case SLSI_P2P_PA_INVALID:
 364                 return "PA_INVALID";
 365         default:
 366                 return "UNKNOWN";
 367         }
 368 }
 369
 370 /* Cookie generation and assignment for user space ROC and mgmt_tx request from supplicant */
 371 static inline void slsi_assign_cookie_id(u64 *cookie, u64 *counter)
 372 {
 373         (*cookie) = ++(*counter);
 374         if ((*cookie) == 0)
 375                 (*cookie) = ++(*counter);
 376 }
 377
 378 /* Update P2P Probe Response IEs in driver */
 379 static inline void slsi_unsync_vif_set_probe_rsp_ie(struct netdev_vif *ndev_vif, u8 *ies, size_t ies_len)
 380 {
 381         if (ndev_vif->unsync.probe_rsp_ies_len)
 382                 kfree(ndev_vif->unsync.probe_rsp_ies);
 383         ndev_vif->unsync.probe_rsp_ies = ies;
 384         ndev_vif->unsync.probe_rsp_ies_len = ies_len;
 385 }
 386
 387 /* Set management frame tx data of vif */
 388 static inline int slsi_set_mgmt_tx_data(struct netdev_vif *ndev_vif, u64 cookie, u16 host_tag, const u8 *buf, size_t buf_len)
 389 {
 390         u8 *tx_frame = NULL;
 391
 392         if (buf_len != 0) {
 393                 tx_frame = kmalloc(buf_len, GFP_KERNEL);
 394                 if (!tx_frame) {
 395                         SLSI_NET_ERR(ndev_vif->wdev.netdev, "FAILED to allocate memory for Tx frame\n");
 396                         return -ENOMEM;
 397                 }
 398                 SLSI_NET_DBG3(ndev_vif->wdev.netdev, SLSI_CFG80211, "Copy buffer for tx_status\n");
 399                 memcpy(tx_frame, buf, buf_len);
 400         } else if (ndev_vif->mgmt_tx_data.buf) {
 401                 SLSI_NET_DBG3(ndev_vif->wdev.netdev, SLSI_CFG80211, "Free buffer of tx_status\n");
 402                 kfree(ndev_vif->mgmt_tx_data.buf);
 403         }
 404
 405         ndev_vif->mgmt_tx_data.cookie = cookie;
 406         ndev_vif->mgmt_tx_data.host_tag = host_tag;
 407         ndev_vif->mgmt_tx_data.buf = tx_frame;
 408         ndev_vif->mgmt_tx_data.buf_len = buf_len;
 409
 410         return 0;
 411 }
 412
 413 /**
 414  * Handler to queue P2P unsync vif deletion work.
 415  */
 416 static inline void slsi_p2p_queue_unsync_vif_del_work(struct netdev_vif *ndev_vif, unsigned int delay)
 417 {
 418         cancel_delayed_work(&ndev_vif->unsync.del_vif_work);
 419         queue_delayed_work(ndev_vif->sdev->device_wq, &ndev_vif->unsync.del_vif_work, msecs_to_jiffies(delay));
 420 }
 421
 422 /* Update the new state for P2P. Also log the state change for debug purpose */
 423 #define SLSI_P2P_STATE_CHANGE(sdev, next_state) \
 424         do { \
 425                 SLSI_DBG1(sdev, SLSI_CFG80211, "P2P state change: %s -> %s\n", slsi_p2p_state_text(sdev->p2p_state), slsi_p2p_state_text(next_state)); \
 426                 sdev->p2p_state = next_state; \
 427         } while (0)
 428
 429 void slsi_purge_scan_results(struct netdev_vif *ndev_vif, u16 scan_id);
 430 void slsi_purge_scan_results_locked(struct netdev_vif *ndev_vif, u16 scan_id);
 431 struct sk_buff *slsi_dequeue_cached_scan_result(struct slsi_scan *scan, int *count);
 432 void slsi_get_hw_mac_address(struct slsi_dev *sdev, u8 *addr);
 433 int slsi_start(struct slsi_dev *sdev);
 434 int slsi_start_monitor_mode(struct slsi_dev *sdev, struct net_device *dev);
 435 void slsi_stop_net_dev(struct slsi_dev *sdev, struct net_device *dev);
 436 void slsi_stop(struct slsi_dev *sdev);
 437 void slsi_stop_locked(struct slsi_dev *sdev);
 438 struct slsi_peer *slsi_peer_add(struct slsi_dev *sdev, struct net_device *dev, u8 *peer_address, u16 aid);
 439 void slsi_peer_update_assoc_req(struct slsi_dev *sdev, struct net_device *dev, struct slsi_peer *peer, struct sk_buff *skb);
 440 void slsi_peer_update_assoc_rsp(struct slsi_dev *sdev, struct net_device *dev, struct slsi_peer *peer, struct sk_buff *skb);
 441 void slsi_peer_reset_stats(struct slsi_dev *sdev, struct net_device *dev, struct slsi_peer *peer);
 442 int slsi_peer_remove(struct slsi_dev *sdev, struct net_device *dev, struct slsi_peer *peer);
 443 int slsi_ps_port_control(struct slsi_dev *sdev, struct net_device *dev, struct slsi_peer *peer, enum slsi_sta_conn_state s);
 444 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
 445 int slsi_del_station(struct wiphy *wiphy, struct net_device *dev,
 446                      struct station_del_parameters *del_params);
 447 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
 448 int slsi_del_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac);
 449 #else
 450 int slsi_del_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac);
 451 #endif
 452
 453 int slsi_sta_ieee80211_mode(struct net_device *dev, u16 current_bss_channel_frequency);
 454 int slsi_vif_activated(struct slsi_dev *sdev, struct net_device *dev);
 455 void slsi_vif_deactivated(struct slsi_dev *sdev, struct net_device *dev);
 456 int slsi_handle_disconnect(struct slsi_dev *sdev, struct net_device *dev, u8 *peer_address, u16 reason,
 457                            u8 *disassoc_rsp_ie, u32 disassoc_rsp_ie_len);
 458 int slsi_band_update(struct slsi_dev *sdev, int band);
 459 int slsi_ip_address_changed(struct slsi_dev *sdev, struct net_device *dev, __be32 ipaddress);
 460 int slsi_send_gratuitous_arp(struct slsi_dev *sdev, struct net_device *dev);
 461 struct ieee80211_channel *slsi_find_scan_channel(struct slsi_dev *sdev, struct ieee80211_mgmt *mgmt, size_t mgmt_len, u16 freq);
 462 int slsi_auto_chan_select_scan(struct slsi_dev *sdev, int chan_count, struct ieee80211_channel *channels[]);
 463 int slsi_set_uint_mib(struct slsi_dev *dev, struct net_device *ndev, u16 psid, int value);
 464 int slsi_update_regd_rules(struct slsi_dev *sdev, bool country_check);
 465 int slsi_set_boost(struct slsi_dev *sdev, struct net_device *dev);
 466 int slsi_p2p_init(struct slsi_dev *sdev, struct netdev_vif *ndev_vif);
 467 void slsi_p2p_deinit(struct slsi_dev *sdev, struct netdev_vif *ndev_vif);
 468 int slsi_p2p_vif_activate(struct slsi_dev *sdev, struct net_device *dev, struct ieee80211_channel *chan, u16 duration, bool set_probe_rsp_ies);
 469 void slsi_p2p_vif_deactivate(struct slsi_dev *sdev, struct net_device *dev, bool hw_available);
 470 void slsi_p2p_group_start_remove_unsync_vif(struct slsi_dev *sdev);
 471 int slsi_p2p_dev_probe_rsp_ie(struct slsi_dev *sdev, struct net_device *dev, u8 *probe_rsp_ie, size_t probe_rsp_ie_len);
 472 int slsi_p2p_dev_null_ies(struct slsi_dev *sdev, struct net_device *dev);
 473 int slsi_p2p_get_public_action_subtype(const struct ieee80211_mgmt *mgmt);
 474 int slsi_p2p_get_go_neg_rsp_status(struct net_device *dev, const struct ieee80211_mgmt *mgmt);
 475 u8 slsi_p2p_get_exp_peer_frame_subtype(u8 subtype);
 476 int slsi_send_txq_params(struct slsi_dev *sdev, struct net_device *ndev);
 477 void slsi_abort_sta_scan(struct slsi_dev *sdev);
 478 int slsi_is_dhcp_packet(u8 *data);
 479
 480 #ifdef CONFIG_SCSC_WLAN_PRIORITISE_IMP_FRAMES
 481 int slsi_is_dns_packet(u8 *data);
 482 int slsi_is_mdns_packet(u8 *data);
 483 int slsi_is_tcp_sync_packet(struct net_device *dev, struct sk_buff *skb);
 484 #endif
 485
 486 #ifdef CONFIG_SCSC_WLAN_ENHANCED_PKT_FILTER
 487 int slsi_set_enhanced_pkt_filter(struct net_device *dev, u8 pkt_filter_enable);
 488 #endif
 489 void slsi_set_packet_filters(struct slsi_dev *sdev, struct net_device *dev);
 490 int  slsi_update_packet_filters(struct slsi_dev *sdev, struct net_device *dev);
 491 int  slsi_clear_packet_filters(struct slsi_dev *sdev, struct net_device *dev);
 492 int slsi_ap_prepare_add_info_ies(struct netdev_vif *ndev_vif, const u8 *ies, size_t ies_len);
 493 int slsi_set_mib_roam(struct slsi_dev *dev, struct net_device *ndev, u16 psid, int value);
 494 #ifdef CONFIG_SCSC_WLAN_SET_PREFERRED_ANTENNA
 495 int slsi_set_mib_preferred_antenna(struct slsi_dev *dev, u16 value);
 496 #endif
 497 void slsi_reset_throughput_stats(struct net_device *dev);
 498 int slsi_set_mib_rssi_boost(struct slsi_dev *sdev, struct net_device *dev, u16 psid, int index, int boost);
 499 #ifdef CONFIG_SCSC_WLAN_LOW_LATENCY_MODE
 500 int slsi_set_mib_soft_roaming_enabled(struct slsi_dev *sdev, struct net_device *dev, bool enable);
 501 #endif
 502 #ifdef CONFIG_SCSC_WLAN_STA_ENHANCED_ARP_DETECT
 503 int slsi_read_enhanced_arp_rx_count_by_lower_mac(struct slsi_dev *sdev, struct net_device *dev, u16 psid);
 504 void slsi_fill_enhanced_arp_out_of_order_drop_counter(struct netdev_vif *ndev_vif,
 505                                                       struct sk_buff *skb);
 506 #endif
 507 void slsi_modify_ies_on_channel_switch(struct net_device *dev, struct cfg80211_ap_settings *settings,
 508                                        u8 *ds_params_ie, u8 *ht_operation_ie, struct ieee80211_mgmt  *mgmt,
 509                                        u16 beacon_ie_head_len);
 510 #ifdef CONFIG_SCSC_WLAN_WIFI_SHARING
 511 bool slsi_if_valid_wifi_sharing_channel(struct slsi_dev *sdev, int freq);
 512 void slsi_extract_valid_wifi_sharing_channels(struct slsi_dev *sdev);
 513 int slsi_check_if_non_indoor_non_dfs_channel(struct slsi_dev *sdev, int freq);
 514 int slsi_select_wifi_sharing_ap_channel(struct wiphy *wiphy, struct net_device *dev,
 515                                          struct cfg80211_ap_settings *settings, struct slsi_dev *sdev,
 516                                          int *wifi_sharing_channel_switched);
 517 int slsi_set_mib_wifi_sharing_5ghz_channel(struct slsi_dev *sdev, u16 psid, int value,
 518                                            int offset, int readbyte, char *arg);
 519 int slsi_get_byte_position(int bit);
 520 int slsi_check_if_channel_restricted_already(struct slsi_dev *sdev, int channel);
 521 #endif
 522 struct net_device *slsi_dynamic_interface_create(struct wiphy        *wiphy,
 523                                              const char          *name,
 524                                              enum nl80211_iftype type,
 525                                              struct vif_params   *params);
 526 int slsi_get_mib_roam(struct slsi_dev *sdev, u16 psid, int *mib_value);
 527 void slsi_roam_channel_cache_add(struct slsi_dev *sdev, struct net_device *dev, struct sk_buff *skb);
 528 void slsi_roam_channel_cache_prune(struct net_device *dev, int seconds);
 529 int slsi_roaming_scan_configure_channels(struct slsi_dev *sdev, struct net_device *dev, const u8 *ssid, u8 *channels);
 530 int slsi_send_max_transmit_msdu_lifetime(struct slsi_dev *dev, struct net_device *ndev, u32 msdu_lifetime);
 531 int slsi_read_max_transmit_msdu_lifetime(struct slsi_dev *dev, struct net_device *ndev, u32 *msdu_lifetime);
 532 int slsi_read_unifi_countrylist(struct slsi_dev *sdev, u16 psid);
 533 int slsi_read_default_country(struct slsi_dev *sdev, u8 *alpha2, u16 index);
 534 int slsi_read_disconnect_ind_timeout(struct slsi_dev *sdev, u16 psid);
 535 int slsi_read_regulatory_rules(struct slsi_dev *sdev, struct slsi_802_11d_reg_domain *domain_info, const char *alpha2);
 536 int slsi_send_acs_event(struct slsi_dev *sdev, struct slsi_acs_selected_channels acs_selected_channels);
 537 #ifdef CONFIG_SCSC_WLAN_ENABLE_MAC_RANDOMISATION
 538 int slsi_set_mac_randomisation_mask(struct slsi_dev *sdev, u8 *mac_address_mask);
 539 #endif
 540 int slsi_set_country_update_regd(struct slsi_dev *sdev, const char *alpha2_code, int size);
 541 void slsi_clear_offchannel_data(struct slsi_dev *sdev, bool acquire_lock);
 542 int slsi_wlan_unsync_vif_activate(struct slsi_dev *sdev, struct net_device *dev,
 543                                   struct ieee80211_channel *chan, u16 duration);
 544 void slsi_wlan_unsync_vif_deactivate(struct slsi_dev *sdev, struct net_device *devbool, bool hw_available);
 545 int slsi_is_wes_action_frame(const struct ieee80211_mgmt *mgmt);
 546 void slsi_scan_ind_timeout_handle(struct work_struct *work);
 547 void slsi_vif_cleanup(struct slsi_dev *sdev, struct net_device *dev, bool hw_available);
 548 void slsi_scan_cleanup(struct slsi_dev *sdev, struct net_device *dev);
 549 void slsi_dump_stats(struct net_device *dev);
 550 int slsi_send_hanged_vendor_event(struct slsi_dev *sdev, u16 scsc_panic_code);
 551 void slsi_update_supported_channels_regd_flags(struct slsi_dev *sdev);
 552 #ifdef CONFIG_SCSC_WLAN_HANG_TEST
 553 int slsi_test_send_hanged_vendor_event(struct net_device *dev);
 554 #endif
 555 #ifdef CONFIG_SLSI_WLAN_STA_FWD_BEACON
 556 int slsi_send_forward_beacon_vendor_event(struct slsi_dev *sdev, const u8 *ssid, const int ssid_len, const u8 *bssid,
 557                                           u8 channel, const u16 beacon_int, const u64 timestamp, const u64 sys_time);
 558 int slsi_send_forward_beacon_abort_vendor_event(struct slsi_dev *sdev, u16 reason_code);
 559 #endif
 560 void slsi_wlan_dump_public_action_subtype(struct slsi_dev *sdev, struct ieee80211_mgmt *mgmt, bool tx);
 561 void slsi_reset_channel_flags(struct slsi_dev *sdev);
 562
 563 /* Sysfs based mac address override */
 564 void slsi_create_sysfs_macaddr(void);
 565 void slsi_destroy_sysfs_macaddr(void);
 566 int slsi_find_chan_idx(u16 chan, u8 hw_mode);
 567 #ifdef CONFIG_SCSC_WLAN_SET_NUM_ANTENNAS
 568 int slsi_set_num_antennas(struct net_device *dev, const u16 num_of_antennas);
 569 #endif
 570 int slsi_set_latency_mode(struct net_device *dev, int latency_mode, int cmd_len);
 571
 572 #ifdef CONFIG_SCSC_WLAN_SILENT_RECOVERY
 573 int slsi_start_ap(struct wiphy *wiphy, struct net_device *dev,
 574                   struct cfg80211_ap_settings *settings);
 575 void slsi_subsystem_reset(struct work_struct *work);
 576 void slsi_failure_reset(struct slsi_dev *sdev);
 577 void slsi_chip_recovery(struct slsi_dev *sdev);
 578 void slsi_ap_cleanup(struct slsi_dev *sdev, struct net_device *dev);
 579 #endif
 580
 581 #endif /*__SLSI_MGT_H__*/