diff options
Diffstat (limited to 'data-ipa-cfg-mgr/ipacm/inc/IPACM_Wlan.h')
| -rw-r--r-- | data-ipa-cfg-mgr/ipacm/inc/IPACM_Wlan.h | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/data-ipa-cfg-mgr/ipacm/inc/IPACM_Wlan.h b/data-ipa-cfg-mgr/ipacm/inc/IPACM_Wlan.h new file mode 100644 index 0000000..6a2d53a --- /dev/null +++ b/data-ipa-cfg-mgr/ipacm/inc/IPACM_Wlan.h @@ -0,0 +1,329 @@ +/* +Copyright (c) 2013, The Linux Foundation. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + * Neither the name of The Linux Foundation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED +WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS +BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR +BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +/*! + @file + IPACM_Wlan.h + + @brief + This file implements the WLAN iface functionality. + + @Author + Skylar Chang + +*/ +#ifndef IPACM_WLAN_H +#define IPACM_WLAN_H + +#include <stdio.h> +#include <IPACM_CmdQueue.h> +#include <linux/msm_ipa.h> +#include "IPACM_Routing.h" +#include "IPACM_Filtering.h" +#include "IPACM_Lan.h" +#include "IPACM_Iface.h" +#include "IPACM_Conntrack_NATApp.h" + +typedef struct _wlan_client_rt_hdl +{ + uint32_t wifi_rt_rule_hdl_v4; + uint32_t wifi_rt_rule_hdl_v6[IPV6_NUM_ADDR]; + uint32_t wifi_rt_rule_hdl_v6_wan[IPV6_NUM_ADDR]; +}wlan_client_rt_hdl; + +typedef struct _ipa_wlan_client +{ + ipacm_event_data_wlan_ex* p_hdr_info; + uint8_t mac[IPA_MAC_ADDR_SIZE]; + uint32_t v4_addr; + uint32_t v6_addr[IPV6_NUM_ADDR][4]; + uint32_t hdr_hdl_v4; + uint32_t hdr_hdl_v6; + bool route_rule_set_v4; + int route_rule_set_v6; + bool ipv4_set; + int ipv6_set; + bool ipv4_header_set; + bool ipv6_header_set; + bool power_save_set; + wlan_client_rt_hdl wifi_rt_hdl[0]; /* depends on number of tx properties */ +}ipa_wlan_client; + +/* wlan iface */ +class IPACM_Wlan : public IPACM_Lan +{ + +public: + + IPACM_Wlan(int iface_index); + virtual ~IPACM_Wlan(void); + + static int total_num_wifi_clients; + + void event_callback(ipa_cm_event_id event, + void *data); + + virtual int add_lan2lan_hdr(ipa_ip_type iptype, uint8_t* src_mac, uint8_t* dst_mac, uint32_t* hdr_hdl); + +private: + + eth_bridge_client_flt_info eth_bridge_lan_client_flt_info[IPA_LAN_TO_LAN_MAX_LAN_CLIENT]; + int lan_client_flt_info_count; + + static lan2lan_flt_rule_hdl self_client_flt_rule_hdl_v4[IPA_LAN_TO_LAN_MAX_WLAN_CLIENT]; + static lan2lan_flt_rule_hdl self_client_flt_rule_hdl_v6[IPA_LAN_TO_LAN_MAX_WLAN_CLIENT]; + + static lan2lan_flt_rule_hdl lan_client_flt_rule_hdl_v4[IPA_LAN_TO_LAN_MAX_LAN_CLIENT]; + static lan2lan_flt_rule_hdl lan_client_flt_rule_hdl_v6[IPA_LAN_TO_LAN_MAX_LAN_CLIENT]; + + bool is_guest_ap; + + eth_bridge_client_rt_info* eth_bridge_wlan_client_rt_from_lan_info_v4; + int wlan_client_rt_from_lan_info_count_v4; + eth_bridge_client_rt_info* eth_bridge_wlan_client_rt_from_lan_info_v6; + int wlan_client_rt_from_lan_info_count_v6; + + eth_bridge_client_rt_info* eth_bridge_wlan_client_rt_from_wlan_info_v4; + int wlan_client_rt_from_wlan_info_count_v4; + eth_bridge_client_rt_info* eth_bridge_wlan_client_rt_from_wlan_info_v6; + int wlan_client_rt_from_wlan_info_count_v6; + + int eth_bridge_install_wlan_guest_ap_ipv6_flt_rule(); + + virtual int eth_bridge_handle_dummy_wlan_client_flt_rule(ipa_ip_type iptype); + + virtual int eth_bridge_handle_dummy_lan_client_flt_rule(ipa_ip_type iptype); + + int eth_bridge_add_lan_client_flt_rule(uint8_t* mac, ipa_ip_type iptype); + + int eth_bridge_del_lan_client_flt_rule(uint8_t* mac); + + int eth_bridge_add_self_client_flt_rule(uint8_t* mac, ipa_ip_type iptype); + + int eth_bridge_del_self_client_flt_rule(uint8_t* mac); + + virtual int eth_bridge_install_cache_wlan_client_flt_rule(ipa_ip_type iptype); + + virtual int eth_bridge_install_cache_lan_client_flt_rule(ipa_ip_type iptype); + + int eth_bridge_add_wlan_client_rt_rule(uint8_t* mac, eth_bridge_src_iface src, ipa_ip_type iptype); + + int eth_bridge_del_wlan_client_rt_rule(uint8_t* mac, eth_bridge_src_iface src); + + eth_bridge_client_rt_info* eth_bridge_get_client_rt_info_ptr(uint8_t index, eth_bridge_src_iface src, ipa_ip_type iptype); + + void eth_bridge_add_wlan_client(uint8_t* mac, int if_num); + + void eth_bridge_del_wlan_client(uint8_t* mac); + + + int wlan_client_len; + ipa_wlan_client *wlan_client; + + int header_name_count; + int num_wifi_client; + + int wlan_ap_index; + + static uint32_t* dummy_flt_rule_hdl_v4; + static uint32_t* dummy_flt_rule_hdl_v6; + + static int num_wlan_ap_iface; + + NatApp *Nat_App; + + inline ipa_wlan_client* get_client_memptr(ipa_wlan_client *param, int cnt) + { + char *ret = ((char *)param) + (wlan_client_len * cnt); + return (ipa_wlan_client *)ret; + } + + inline int get_wlan_client_index(uint8_t *mac_addr) + { + int cnt; + int num_wifi_client_tmp = num_wifi_client; + + IPACMDBG_H("Passed MAC %02x:%02x:%02x:%02x:%02x:%02x\n", + mac_addr[0], mac_addr[1], mac_addr[2], + mac_addr[3], mac_addr[4], mac_addr[5]); + + for(cnt = 0; cnt < num_wifi_client_tmp; cnt++) + { + IPACMDBG_H("stored MAC %02x:%02x:%02x:%02x:%02x:%02x\n", + get_client_memptr(wlan_client, cnt)->mac[0], + get_client_memptr(wlan_client, cnt)->mac[1], + get_client_memptr(wlan_client, cnt)->mac[2], + get_client_memptr(wlan_client, cnt)->mac[3], + get_client_memptr(wlan_client, cnt)->mac[4], + get_client_memptr(wlan_client, cnt)->mac[5]); + + if(memcmp(get_client_memptr(wlan_client, cnt)->mac, + mac_addr, + sizeof(get_client_memptr(wlan_client, cnt)->mac)) == 0) + { + IPACMDBG_H("Matched client index: %d\n", cnt); + return cnt; + } + } + + return IPACM_INVALID_INDEX; + } + + inline int delete_default_qos_rtrules(int clt_indx, ipa_ip_type iptype) + { + uint32_t tx_index; + uint32_t rt_hdl; + int num_v6; + + if(iptype == IPA_IP_v4) + { + for(tx_index = 0; tx_index < iface_query->num_tx_props; tx_index++) + { + if((tx_prop->tx[tx_index].ip == IPA_IP_v4) && (get_client_memptr(wlan_client, clt_indx)->route_rule_set_v4==true)) /* for ipv4 */ + { + IPACMDBG_H("Delete client index %d ipv4 Qos rules for tx:%d \n",clt_indx,tx_index); + rt_hdl = get_client_memptr(wlan_client, clt_indx)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v4; + + if(m_routing.DeleteRoutingHdl(rt_hdl, IPA_IP_v4) == false) + { + return IPACM_FAILURE; + } + } + } /* end of for loop */ + + /* clean the 4 Qos ipv4 RT rules for client:clt_indx */ + if(get_client_memptr(wlan_client, clt_indx)->route_rule_set_v4==true) /* for ipv4 */ + { + get_client_memptr(wlan_client, clt_indx)->route_rule_set_v4 = false; + } + } + + if(iptype == IPA_IP_v6) + { + for(tx_index = 0; tx_index < iface_query->num_tx_props; tx_index++) + { + + if((tx_prop->tx[tx_index].ip == IPA_IP_v6) && (get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6 != 0)) /* for ipv6 */ + { + for(num_v6 =0;num_v6 < get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6;num_v6++) + { + IPACMDBG_H("Delete client index %d ipv6 Qos rules for %d-st ipv6 for tx:%d\n", clt_indx,num_v6,tx_index); + rt_hdl = get_client_memptr(wlan_client, clt_indx)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6[num_v6]; + if(m_routing.DeleteRoutingHdl(rt_hdl, IPA_IP_v6) == false) + { + return IPACM_FAILURE; + } + + rt_hdl = get_client_memptr(wlan_client, clt_indx)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6_wan[num_v6]; + if(m_routing.DeleteRoutingHdl(rt_hdl, IPA_IP_v6) == false) + { + return IPACM_FAILURE; + } + } + + } + } /* end of for loop */ + + /* clean the 4 Qos ipv6 RT rules for client:clt_indx */ + if(get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6 != 0) /* for ipv6 */ + { + get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6 = 0; + } + } + + return IPACM_SUCCESS; + } + + /* for handle wifi client initial,copy all partial headers (tx property) */ + int handle_wlan_client_init_ex(ipacm_event_data_wlan_ex *data); + + /*handle lan2lan internal mesg posting*/ + int handle_lan2lan_msg_post(uint8_t *mac_addr, ipa_cm_event_id event, ipa_ip_type iptype); + + /*handle wifi client */ + int handle_wlan_client_ipaddr(ipacm_event_data_all *data); + + /*handle wifi client routing rule*/ + int handle_wlan_client_route_rule(uint8_t *mac_addr, ipa_ip_type iptype); + + /*handle wifi client power-save mode*/ + int handle_wlan_client_pwrsave(uint8_t *mac_addr); + + /*handle wifi client del mode*/ + int handle_wlan_client_down_evt(uint8_t *mac_addr); + + /*handle wlan iface down event*/ + int handle_down_evt(); + + /* add dummy filtering rules for WLAN AP-AP mode support */ + void add_dummy_flt_rule(); + + /* install dummy filtering rules for WLAN AP-AP mode support */ + int install_dummy_flt_rule(ipa_ip_type iptype, int num_rule); + + /* delete dummy flt rule for WLAN AP-AP mode support*/ + void del_dummy_flt_rule(); + + /*Configure the initial filter rules */ + virtual int init_fl_rule(ipa_ip_type iptype); + + virtual int add_dummy_lan2lan_flt_rule(ipa_ip_type iptype); + + virtual int add_dummy_private_subnet_flt_rule(ipa_ip_type iptype); + + /*configure private subnet filter rules*/ + virtual int handle_private_subnet(ipa_ip_type iptype); + + /* install UL filter rule from Q6 */ + virtual int handle_uplink_filter_rule(ipacm_ext_prop* prop, ipa_ip_type iptype, uint8_t xlat_mux_id); + + /* install TCP control filter rules */ + virtual void install_tcp_ctl_flt_rule(ipa_ip_type iptype); + + /*handle reset wifi-client rt-rules */ + int handle_wlan_client_reset_rt(ipa_ip_type iptype); + + void handle_SCC_MCC_switch(ipa_ip_type); + + void eth_bridge_handle_wlan_SCC_MCC_switch(ipa_ip_type iptype); + + int eth_bridge_modify_wlan_client_flt_rule(uint8_t* mac, eth_bridge_dst_iface dst_iface, ipa_ip_type iptype); + + int eth_bridge_modify_wlan_rt_rule(uint8_t* mac, eth_bridge_src_iface src_iface, ipa_ip_type iptyp); + + /*handle wlan access mode switch */ + void eth_bridge_handle_wlan_mode_switch(); + + virtual int install_ipv6_prefix_flt_rule(uint32_t* prefix); + + virtual void delete_ipv6_prefix_flt_rule(); + +}; + + +#endif /* IPACM_WLAN_H */ |