diff options
Diffstat (limited to 'drivers/staging/r8188eu/core/rtw_ieee80211.c')
| -rw-r--r-- | drivers/staging/r8188eu/core/rtw_ieee80211.c | 339 |
1 files changed, 11 insertions, 328 deletions
diff --git a/drivers/staging/r8188eu/core/rtw_ieee80211.c b/drivers/staging/r8188eu/core/rtw_ieee80211.c index b3a74198596a..343c2f9a4ce8 100644 --- a/drivers/staging/r8188eu/core/rtw_ieee80211.c +++ b/drivers/staging/r8188eu/core/rtw_ieee80211.c @@ -140,59 +140,6 @@ u8 *rtw_set_ie return pbuf + len + 2; } -inline u8 *rtw_set_ie_ch_switch(u8 *buf, u32 *buf_len, u8 ch_switch_mode, - u8 new_ch, u8 ch_switch_cnt) -{ - u8 ie_data[3]; - - ie_data[0] = ch_switch_mode; - ie_data[1] = new_ch; - ie_data[2] = ch_switch_cnt; - return rtw_set_ie(buf, WLAN_EID_CHANNEL_SWITCH, 3, ie_data, buf_len); -} - -inline u8 secondary_ch_offset_to_hal_ch_offset(u8 ch_offset) -{ - if (ch_offset == SCN) - return HAL_PRIME_CHNL_OFFSET_DONT_CARE; - else if (ch_offset == SCA) - return HAL_PRIME_CHNL_OFFSET_UPPER; - else if (ch_offset == SCB) - return HAL_PRIME_CHNL_OFFSET_LOWER; - - return HAL_PRIME_CHNL_OFFSET_DONT_CARE; -} - -inline u8 hal_ch_offset_to_secondary_ch_offset(u8 ch_offset) -{ - if (ch_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE) - return SCN; - else if (ch_offset == HAL_PRIME_CHNL_OFFSET_LOWER) - return SCB; - else if (ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER) - return SCA; - - return SCN; -} - -inline u8 *rtw_set_ie_secondary_ch_offset(u8 *buf, u32 *buf_len, u8 secondary_ch_offset) -{ - return rtw_set_ie(buf, WLAN_EID_SECONDARY_CHANNEL_OFFSET, 1, &secondary_ch_offset, buf_len); -} - -inline u8 *rtw_set_ie_mesh_ch_switch_parm(u8 *buf, u32 *buf_len, u8 ttl, - u8 flags, u16 reason, u16 precedence) -{ - u8 ie_data[6]; - - ie_data[0] = ttl; - ie_data[1] = flags; - *(u16 *)(ie_data + 2) = cpu_to_le16(reason); - *(u16 *)(ie_data + 4) = cpu_to_le16(precedence); - - return rtw_set_ie(buf, 0x118, 6, ie_data, buf_len); -} - /*---------------------------------------------------------------------------- index: the information element id index, limit is the limit for search -----------------------------------------------------------------------------*/ @@ -225,96 +172,6 @@ u8 *rtw_get_ie(u8 *pbuf, int index, int *len, int limit) return NULL; } -/** - * rtw_get_ie_ex - Search specific IE from a series of IEs - * @in_ie: Address of IEs to search - * @in_len: Length limit from in_ie - * @eid: Element ID to match - * @oui: OUI to match - * @oui_len: OUI length - * @ie: If not NULL and the specific IE is found, the IE will be copied to the buf starting from the specific IE - * @ielen: If not NULL and the specific IE is found, will set to the length of the entire IE - * - * Returns: The address of the specific IE found, or NULL - */ -u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, u8 oui_len, u8 *ie, uint *ielen) -{ - uint cnt; - u8 *target_ie = NULL; - - if (ielen) - *ielen = 0; - - if (!in_ie || in_len <= 0) - return target_ie; - - cnt = 0; - - while (cnt < in_len) { - if (eid == in_ie[cnt] && (!oui || !memcmp(&in_ie[cnt + 2], oui, oui_len))) { - target_ie = &in_ie[cnt]; - - if (ie) - memcpy(ie, &in_ie[cnt], in_ie[cnt + 1] + 2); - - if (ielen) - *ielen = in_ie[cnt + 1] + 2; - - break; - } else { - cnt += in_ie[cnt + 1] + 2; /* goto next */ - } - } - return target_ie; -} - -/** - * rtw_ies_remove_ie - Find matching IEs and remove - * @ies: Address of IEs to search - * @ies_len: Pointer of length of ies, will update to new length - * @offset: The offset to start scarch - * @eid: Element ID to match - * @oui: OUI to match - * @oui_len: OUI length - * - * Returns: _SUCCESS: ies is updated, _FAIL: not updated - */ -int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, u8 eid, u8 *oui, u8 oui_len) -{ - int ret = _FAIL; - u8 *target_ie; - u32 target_ielen; - u8 *start; - uint search_len; - - if (!ies || !ies_len || *ies_len <= offset) - goto exit; - - start = ies + offset; - search_len = *ies_len - offset; - - while (1) { - target_ie = rtw_get_ie_ex(start, search_len, eid, oui, oui_len, NULL, &target_ielen); - if (target_ie && target_ielen) { - u8 buf[MAX_IE_SZ] = {0}; - u8 *remain_ies = target_ie + target_ielen; - uint remain_len = search_len - (remain_ies - start); - - memcpy(buf, remain_ies, remain_len); - memcpy(target_ie, buf, remain_len); - *ies_len = *ies_len - target_ielen; - ret = _SUCCESS; - - start = target_ie; - search_len = remain_len; - } else { - break; - } - } -exit: - return ret; -} - void rtw_set_supported_rate(u8 *SupportedRates, uint mode) { @@ -1021,97 +878,24 @@ u8 key_2char2num(u8 hch, u8 lch) void rtw_macaddr_cfg(u8 *mac_addr) { u8 mac[ETH_ALEN]; + if (!mac_addr) return; - if (rtw_initmac) { /* Users specify the mac address */ - int jj, kk; - - for (jj = 0, kk = 0; jj < ETH_ALEN; jj++, kk += 3) - mac[jj] = key_2char2num(rtw_initmac[kk], rtw_initmac[kk + 1]); - memcpy(mac_addr, mac, ETH_ALEN); - } else { /* Use the mac address stored in the Efuse */ - memcpy(mac, mac_addr, ETH_ALEN); + if (rtw_initmac && mac_pton(rtw_initmac, mac)) { + /* Users specify the mac address */ + ether_addr_copy(mac_addr, mac); + } else { + /* Use the mac address stored in the Efuse */ + ether_addr_copy(mac, mac_addr); } - if (((mac[0] == 0xff) && (mac[1] == 0xff) && (mac[2] == 0xff) && - (mac[3] == 0xff) && (mac[4] == 0xff) && (mac[5] == 0xff)) || - ((mac[0] == 0x0) && (mac[1] == 0x0) && (mac[2] == 0x0) && - (mac[3] == 0x0) && (mac[4] == 0x0) && (mac[5] == 0x0))) { - mac[0] = 0x00; - mac[1] = 0xe0; - mac[2] = 0x4c; - mac[3] = 0x87; - mac[4] = 0x00; - mac[5] = 0x00; - /* use default mac addresss */ - memcpy(mac_addr, mac, ETH_ALEN); - DBG_88E("MAC Address from efuse error, assign default one !!!\n"); + if (is_broadcast_ether_addr(mac) || is_zero_ether_addr(mac)) { + eth_random_addr(mac_addr); + DBG_88E("MAC Address from efuse error, assign random one !!!\n"); } - DBG_88E("rtw_macaddr_cfg MAC Address = %pM\n", (mac_addr)); -} - -void dump_ies(u8 *buf, u32 buf_len) -{ - u8 *pos = (u8 *)buf; - u8 id, len; - - while (pos - buf <= buf_len) { - id = *pos; - len = *(pos + 1); - - DBG_88E("%s ID:%u, LEN:%u\n", __func__, id, len); - #ifdef CONFIG_88EU_P2P - dump_p2p_ie(pos, len); - #endif - dump_wps_ie(pos, len); - - pos += (2 + len); - } -} - -void dump_wps_ie(u8 *ie, u32 ie_len) -{ - u8 *pos = (u8 *)ie; - u16 id; - u16 len; - u8 *wps_ie; - uint wps_ielen; - - wps_ie = rtw_get_wps_ie(ie, ie_len, NULL, &wps_ielen); - if (wps_ie != ie || wps_ielen == 0) - return; - - pos += 6; - while (pos - ie < ie_len) { - id = RTW_GET_BE16(pos); - len = RTW_GET_BE16(pos + 2); - DBG_88E("%s ID:0x%04x, LEN:%u\n", __func__, id, len); - pos += (4 + len); - } -} - -#ifdef CONFIG_88EU_P2P -void dump_p2p_ie(u8 *ie, u32 ie_len) -{ - u8 *pos = (u8 *)ie; - u8 id; - u16 len; - u8 *p2p_ie; - uint p2p_ielen; - - p2p_ie = rtw_get_p2p_ie(ie, ie_len, NULL, &p2p_ielen); - if (p2p_ie != ie || p2p_ielen == 0) - return; - - pos += 6; - while (pos - ie < ie_len) { - id = *pos; - len = get_unaligned_le16(pos + 1); - DBG_88E("%s ID:%u, LEN:%u\n", __func__, id, len); - pos += (3 + len); - } + DBG_88E("rtw_macaddr_cfg MAC Address = %pM\n", mac_addr); } /** @@ -1294,52 +1078,6 @@ void rtw_wlan_bssid_ex_remove_p2p_attr(struct wlan_bssid_ex *bss_ex, u8 attr_id) } } -#endif /* CONFIG_88EU_P2P */ - -/* Baron adds to avoid FreeBSD warning */ -int ieee80211_is_empty_essid(const char *essid, int essid_len) -{ - /* Single white space is for Linksys APs */ - if (essid_len == 1 && essid[0] == ' ') - return 1; - - /* Otherwise, if the entire essid is 0, we assume it is hidden */ - while (essid_len) { - essid_len--; - if (essid[essid_len] != '\0') - return 0; - } - - return 1; -} - -int ieee80211_get_hdrlen(u16 fc) -{ - int hdrlen = 24; - - switch (WLAN_FC_GET_TYPE(fc)) { - case RTW_IEEE80211_FTYPE_DATA: - if (fc & RTW_IEEE80211_STYPE_QOS_DATA) - hdrlen += 2; - if ((fc & RTW_IEEE80211_FCTL_FROMDS) && (fc & RTW_IEEE80211_FCTL_TODS)) - hdrlen += 6; /* Addr4 */ - break; - case RTW_IEEE80211_FTYPE_CTL: - switch (WLAN_FC_GET_STYPE(fc)) { - case RTW_IEEE80211_STYPE_CTS: - case RTW_IEEE80211_STYPE_ACK: - hdrlen = 10; - break; - default: - hdrlen = 16; - break; - } - break; - } - - return hdrlen; -} - static int rtw_get_cipher_info(struct wlan_network *pnetwork) { u32 wpa_ielen; @@ -1482,58 +1220,3 @@ u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40, unsign } return max_rate; } - -int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *action) -{ - const u8 *frame_body = frame + sizeof(struct rtw_ieee80211_hdr_3addr); - u16 fc; - u8 c, a = 0; - - fc = le16_to_cpu(((struct rtw_ieee80211_hdr_3addr *)frame)->frame_ctl); - - if ((fc & (RTW_IEEE80211_FCTL_FTYPE | RTW_IEEE80211_FCTL_STYPE)) != - (RTW_IEEE80211_FTYPE_MGMT | RTW_IEEE80211_STYPE_ACTION)) - return false; - - c = frame_body[0]; - - switch (c) { - case RTW_WLAN_CATEGORY_P2P: /* vendor-specific */ - break; - default: - a = frame_body[1]; - } - - if (category) - *category = c; - if (action) - *action = a; - - return true; -} - -static const char *_action_public_str[] = { - "ACT_PUB_BSSCOEXIST", - "ACT_PUB_DSE_ENABLE", - "ACT_PUB_DSE_DEENABLE", - "ACT_PUB_DSE_REG_LOCATION", - "ACT_PUB_EXT_CHL_SWITCH", - "ACT_PUB_DSE_MSR_REQ", - "ACT_PUB_DSE_MSR_RPRT", - "ACT_PUB_MP", - "ACT_PUB_DSE_PWR_CONSTRAINT", - "ACT_PUB_VENDOR", - "ACT_PUB_GAS_INITIAL_REQ", - "ACT_PUB_GAS_INITIAL_RSP", - "ACT_PUB_GAS_COMEBACK_REQ", - "ACT_PUB_GAS_COMEBACK_RSP", - "ACT_PUB_TDLS_DISCOVERY_RSP", - "ACT_PUB_LOCATION_TRACK", - "ACT_PUB_RSVD", -}; - -const char *action_public_str(u8 action) -{ - action = (action >= ACT_PUBLIC_MAX) ? ACT_PUBLIC_MAX : action; - return _action_public_str[action]; -} |