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MandySingh3
240
data-ipa-cfg-mgr/ipacm/inc/IPACM_Wlan.h
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240
data-ipa-cfg-mgr/ipacm/inc/IPACM_Wlan.h
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/*
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Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of The Linux Foundation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*!
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@file
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IPACM_Wlan.h
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@brief
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This file implements the WLAN iface functionality.
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@Author
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Skylar Chang
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*/
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#ifndef IPACM_WLAN_H
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#define IPACM_WLAN_H
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#include <stdio.h>
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#include <IPACM_CmdQueue.h>
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#include <linux/msm_ipa.h>
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#include "IPACM_Routing.h"
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#include "IPACM_Filtering.h"
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#include "IPACM_Lan.h"
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#include "IPACM_Iface.h"
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#include "IPACM_Conntrack_NATApp.h"
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typedef struct _wlan_client_rt_hdl
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{
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uint32_t wifi_rt_rule_hdl_v4;
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uint32_t wifi_rt_rule_hdl_v6[IPV6_NUM_ADDR];
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uint32_t wifi_rt_rule_hdl_v6_wan[IPV6_NUM_ADDR];
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}wlan_client_rt_hdl;
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typedef struct _ipa_wlan_client
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{
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ipacm_event_data_wlan_ex* p_hdr_info;
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uint8_t mac[IPA_MAC_ADDR_SIZE];
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uint32_t v4_addr;
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uint32_t v6_addr[IPV6_NUM_ADDR][4];
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uint32_t hdr_hdl_v4;
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uint32_t hdr_hdl_v6;
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bool route_rule_set_v4;
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int route_rule_set_v6;
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bool ipv4_set;
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int ipv6_set;
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bool ipv4_header_set;
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bool ipv6_header_set;
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bool power_save_set;
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wlan_client_rt_hdl wifi_rt_hdl[0]; /* depends on number of tx properties */
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}ipa_wlan_client;
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/* wlan iface */
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class IPACM_Wlan : public IPACM_Lan
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{
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public:
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IPACM_Wlan(int iface_index);
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virtual ~IPACM_Wlan(void);
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static int total_num_wifi_clients;
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void event_callback(ipa_cm_event_id event, void *data);
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bool is_guest_ap();
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private:
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bool m_is_guest_ap;
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/* handle wlan access mode switch in ethernet bridging*/
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void eth_bridge_handle_wlan_mode_switch();
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int wlan_client_len;
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ipa_wlan_client *wlan_client;
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int header_name_count;
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int num_wifi_client;
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int wlan_ap_index;
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static int num_wlan_ap_iface;
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NatApp *Nat_App;
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inline ipa_wlan_client* get_client_memptr(ipa_wlan_client *param, int cnt)
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{
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char *ret = ((char *)param) + (wlan_client_len * cnt);
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return (ipa_wlan_client *)ret;
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}
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inline int get_wlan_client_index(uint8_t *mac_addr)
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{
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int cnt;
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int num_wifi_client_tmp = num_wifi_client;
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IPACMDBG_H("Passed MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
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mac_addr[0], mac_addr[1], mac_addr[2],
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mac_addr[3], mac_addr[4], mac_addr[5]);
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for(cnt = 0; cnt < num_wifi_client_tmp; cnt++)
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{
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IPACMDBG_H("stored MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
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get_client_memptr(wlan_client, cnt)->mac[0],
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get_client_memptr(wlan_client, cnt)->mac[1],
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get_client_memptr(wlan_client, cnt)->mac[2],
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get_client_memptr(wlan_client, cnt)->mac[3],
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get_client_memptr(wlan_client, cnt)->mac[4],
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get_client_memptr(wlan_client, cnt)->mac[5]);
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if(memcmp(get_client_memptr(wlan_client, cnt)->mac,
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mac_addr,
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sizeof(get_client_memptr(wlan_client, cnt)->mac)) == 0)
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{
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IPACMDBG_H("Matched client index: %d\n", cnt);
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return cnt;
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}
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}
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return IPACM_INVALID_INDEX;
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}
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inline int delete_default_qos_rtrules(int clt_indx, ipa_ip_type iptype)
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{
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uint32_t tx_index;
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uint32_t rt_hdl;
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int num_v6;
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if(iptype == IPA_IP_v4)
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{
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for(tx_index = 0; tx_index < iface_query->num_tx_props; tx_index++)
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{
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if((tx_prop->tx[tx_index].ip == IPA_IP_v4) && (get_client_memptr(wlan_client, clt_indx)->route_rule_set_v4==true)) /* for ipv4 */
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{
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IPACMDBG_H("Delete client index %d ipv4 Qos rules for tx:%d \n",clt_indx,tx_index);
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rt_hdl = get_client_memptr(wlan_client, clt_indx)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v4;
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if(m_routing.DeleteRoutingHdl(rt_hdl, IPA_IP_v4) == false)
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{
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return IPACM_FAILURE;
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}
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}
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} /* end of for loop */
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/* clean the 4 Qos ipv4 RT rules for client:clt_indx */
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if(get_client_memptr(wlan_client, clt_indx)->route_rule_set_v4==true) /* for ipv4 */
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{
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get_client_memptr(wlan_client, clt_indx)->route_rule_set_v4 = false;
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}
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}
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if(iptype == IPA_IP_v6)
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{
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for(tx_index = 0; tx_index < iface_query->num_tx_props; tx_index++)
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{
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if((tx_prop->tx[tx_index].ip == IPA_IP_v6) && (get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6 != 0)) /* for ipv6 */
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{
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for(num_v6 =0;num_v6 < get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6;num_v6++)
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{
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IPACMDBG_H("Delete client index %d ipv6 Qos rules for %d-st ipv6 for tx:%d\n", clt_indx,num_v6,tx_index);
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rt_hdl = get_client_memptr(wlan_client, clt_indx)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6[num_v6];
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if(m_routing.DeleteRoutingHdl(rt_hdl, IPA_IP_v6) == false)
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{
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return IPACM_FAILURE;
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}
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rt_hdl = get_client_memptr(wlan_client, clt_indx)->wifi_rt_hdl[tx_index].wifi_rt_rule_hdl_v6_wan[num_v6];
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if(m_routing.DeleteRoutingHdl(rt_hdl, IPA_IP_v6) == false)
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{
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return IPACM_FAILURE;
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}
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}
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}
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} /* end of for loop */
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/* clean the 4 Qos ipv6 RT rules for client:clt_indx */
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if(get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6 != 0) /* for ipv6 */
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{
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get_client_memptr(wlan_client, clt_indx)->route_rule_set_v6 = 0;
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}
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}
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return IPACM_SUCCESS;
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}
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/* for handle wifi client initial,copy all partial headers (tx property) */
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int handle_wlan_client_init_ex(ipacm_event_data_wlan_ex *data);
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/*handle wifi client */
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int handle_wlan_client_ipaddr(ipacm_event_data_all *data);
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/*handle wifi client routing rule*/
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int handle_wlan_client_route_rule(uint8_t *mac_addr, ipa_ip_type iptype);
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/*handle wifi client power-save mode*/
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int handle_wlan_client_pwrsave(uint8_t *mac_addr);
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/*handle wifi client del mode*/
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int handle_wlan_client_down_evt(uint8_t *mac_addr);
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/*handle wlan iface down event*/
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int handle_down_evt();
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/*handle reset wifi-client rt-rules */
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int handle_wlan_client_reset_rt(ipa_ip_type iptype);
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void handle_SCC_MCC_switch(ipa_ip_type);
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};
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#endif /* IPACM_WLAN_H */
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