1 /* 2 Copyright (c) 2013-2016, The Linux Foundation. All rights reserved. 3 4 Redistribution and use in source and binary forms, with or without 5 modification, are permitted provided that the following conditions are 6 met: 7 * Redistributions of source code must retain the above copyright 8 notice, this list of conditions and the following disclaimer. 9 * Redistributions in binary form must reproduce the above 10 copyright notice, this list of conditions and the following 11 disclaimer in the documentation and/or other materials provided 12 with the distribution. 13 * Neither the name of The Linux Foundation nor the names of its 14 contributors may be used to endorse or promote products derived 15 from this software without specific prior written permission. 16 17 THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 /*! 30 @file 31 IPACM_Wlan.h 32 33 @brief 34 This file implements the WLAN iface functionality. 35 36 @Author 37 Skylar Chang 38 39 */ 40 #ifndef IPACM_WLAN_H 41 #define IPACM_WLAN_H 42 43 #include <stdio.h> 44 #include <IPACM_CmdQueue.h> 45 #include <linux/msm_ipa.h> 46 #include "IPACM_Routing.h" 47 #include "IPACM_Filtering.h" 48 #include "IPACM_Lan.h" 49 #include "IPACM_Iface.h" 50 #include "IPACM_Conntrack_NATApp.h" 51 52 typedef struct _wlan_client_rt_hdl 53 { 54 uint32_t wifi_rt_rule_hdl_v4; 55 uint32_t wifi_rt_rule_hdl_v6[IPV6_NUM_ADDR]; 56 uint32_t wifi_rt_rule_hdl_v6_wan[IPV6_NUM_ADDR]; 57 }wlan_client_rt_hdl; 58 59 typedef struct _ipa_wlan_client 60 { 61 ipacm_event_data_wlan_ex* p_hdr_info; 62 uint8_t mac[IPA_MAC_ADDR_SIZE]; 63 uint32_t v4_addr; 64 uint32_t v6_addr[IPV6_NUM_ADDR][4]; 65 uint32_t hdr_hdl_v4; 66 uint32_t hdr_hdl_v6; 67 bool route_rule_set_v4; 68 int route_rule_set_v6; 69 bool ipv4_set; 70 int ipv6_set; 71 bool ipv4_header_set; 72 bool ipv6_header_set; 73 bool power_save_set; 74 wlan_client_rt_hdl wifi_rt_hdl[0]; /* depends on number of tx properties */ 75 }ipa_wlan_client; 76 77 /* wlan iface */ 78 class IPACM_Wlan : public IPACM_Lan 79 { 80 81 public: 82 83 IPACM_Wlan(int iface_index); 84 virtual ~IPACM_Wlan(void); 85 86 static int total_num_wifi_clients; 87 88 void event_callback(ipa_cm_event_id event, void *data); 89 90 bool is_guest_ap(); 91 92 private: 93 94 bool m_is_guest_ap; 95 96 /* handle wlan access mode switch in ethernet bridging*/ 97 void eth_bridge_handle_wlan_mode_switch(); 98 99 100 int wlan_client_len; 101 ipa_wlan_client *wlan_client; 102 103 int header_name_count; 104 uint32_t num_wifi_client; 105 106 int wlan_ap_index; 107 108 static int num_wlan_ap_iface; 109 110 NatApp *Nat_App; 111 112 inline ipa_wlan_client* get_client_memptr(ipa_wlan_client *param, int cnt) 113 { 114 char *ret = ((char *)param) + (wlan_client_len * cnt); 115 return (ipa_wlan_client *)ret; 116 } 117 118 inline int get_wlan_client_index(uint8_t *mac_addr) 119 { 120 int cnt; 121 int num_wifi_client_tmp = num_wifi_client; 122 123 IPACMDBG_H("Passed MAC %02x:%02x:%02x:%02x:%02x:%02x\n", 124 mac_addr[0], mac_addr[1], mac_addr[2], 125 mac_addr[3], mac_addr[4], mac_addr[5]); 126 127 for(cnt = 0; cnt < num_wifi_client_tmp; cnt++) 128 { 129 IPACMDBG_H("stored MAC %02x:%02x:%02x:%02x:%02x:%02x\n", 130 get_client_memptr(wlan_client, cnt)->mac[0], 131 get_client_memptr(wlan_client, cnt)->mac[1], 132 get_client_memptr(wlan_client, cnt)->mac[2], 133 get_client_memptr(wlan_client, cnt)->mac[3], 134 get_client_memptr(wlan_client, cnt)->mac[4], 135 get_client_memptr(wlan_client, cnt)->mac[5]); 136 137 if(memcmp(get_client_memptr(wlan_client, cnt)->mac, 138 mac_addr, 139 sizeof(get_client_memptr(wlan_client, cnt)->mac)) == 0) 140 { 141 IPACMDBG_H("Matched client index: %d\n", cnt); 142 return cnt; 143 } 144 } 145 146 return IPACM_INVALID_INDEX; 147 } 148 149 inline int delete_default_qos_rtrules(int clt_indx, ipa_ip_type iptype) 150 { 151 uint32_t tx_index; 152 uint32_t rt_hdl; 153 int num_v6; 154 155 if(iptype == IPA_IP_v4) 156 { 157 for(tx_index = 0; tx_index < iface_query->num_tx_props; tx_index++) 158 { 159 if((tx_prop->tx[tx_index].ip == IPA_IP_v4) && (get_client_memptr(wlan_client, clt_indx)->route_rule_set_v4==true)) /* for ipv4 */ 160 { 161 IPACMDBG_H("Delete client index %d ipv4 Qos rules for tx:%d \n",clt_indx,tx_index); 162 rt_hdl = get_client_memptr(wlan_client, clt_indx)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v4; 163 164 if(m_routing.DeleteRoutingHdl(rt_hdl, IPA_IP_v4) == false) 165 { 166 return IPACM_FAILURE; 167 } 168 } 169 } /* end of for loop */ 170 171 /* clean the 4 Qos ipv4 RT rules for client:clt_indx */ 172 if(get_client_memptr(wlan_client, clt_indx)->route_rule_set_v4==true) /* for ipv4 */ 173 { 174 get_client_memptr(wlan_client, clt_indx)->route_rule_set_v4 = false; 175 } 176 } 177 178 if(iptype == IPA_IP_v6) 179 { 180 for(tx_index = 0; tx_index < iface_query->num_tx_props; tx_index++) 181 { 182 183 if((tx_prop->tx[tx_index].ip == IPA_IP_v6) && (get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6 != 0)) /* for ipv6 */ 184 { 185 for(num_v6 =0;num_v6 < get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6;num_v6++) 186 { 187 IPACMDBG_H("Delete client index %d ipv6 Qos rules for %d-st ipv6 for tx:%d\n", clt_indx,num_v6,tx_index); 188 rt_hdl = get_client_memptr(wlan_client, clt_indx)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6[num_v6]; 189 if(m_routing.DeleteRoutingHdl(rt_hdl, IPA_IP_v6) == false) 190 { 191 return IPACM_FAILURE; 192 } 193 194 rt_hdl = get_client_memptr(wlan_client, clt_indx)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6_wan[num_v6]; 195 if(m_routing.DeleteRoutingHdl(rt_hdl, IPA_IP_v6) == false) 196 { 197 return IPACM_FAILURE; 198 } 199 } 200 201 } 202 } /* end of for loop */ 203 204 /* clean the 4 Qos ipv6 RT rules for client:clt_indx */ 205 if(get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6 != 0) /* for ipv6 */ 206 { 207 get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6 = 0; 208 } 209 } 210 211 return IPACM_SUCCESS; 212 } 213 214 /* for handle wifi client initial,copy all partial headers (tx property) */ 215 int handle_wlan_client_init_ex(ipacm_event_data_wlan_ex *data); 216 217 /*handle wifi client */ 218 int handle_wlan_client_ipaddr(ipacm_event_data_all *data); 219 220 /*handle wifi client routing rule*/ 221 int handle_wlan_client_route_rule(uint8_t *mac_addr, ipa_ip_type iptype); 222 223 /*handle wifi client power-save mode*/ 224 int handle_wlan_client_pwrsave(uint8_t *mac_addr); 225 226 /*handle wifi client del mode*/ 227 int handle_wlan_client_down_evt(uint8_t *mac_addr); 228 229 /*handle wlan iface down event*/ 230 int handle_down_evt(); 231 232 /*handle reset wifi-client rt-rules */ 233 int handle_wlan_client_reset_rt(ipa_ip_type iptype); 234 235 void handle_SCC_MCC_switch(ipa_ip_type); 236 237 }; 238 239 240 #endif /* IPACM_WLAN_H */ 241
