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512 lines
15 KiB
512 lines
15 KiB
/* |
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Copyright (c) 2013, 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_Wan.cpp |
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@brief |
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This file implements the WAN iface functionality. |
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@Author |
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Skylar Chang |
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*/ |
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#ifndef IPACM_WAN_H |
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#define IPACM_WAN_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_Iface.h> |
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#include <IPACM_Defs.h> |
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#include <IPACM_Xml.h> |
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#define IPA_NUM_DEFAULT_WAN_FILTER_RULES 3 /*1 for v4, 2 for v6*/ |
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#define IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV4 2 |
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#ifdef FEATURE_IPA_ANDROID |
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#define IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV6 6 |
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#else |
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#define IPA_V2_NUM_DEFAULT_WAN_FILTER_RULE_IPV6 3 |
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#endif |
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#define NETWORK_STATS "%s %lu %lu %lu %lu" |
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#define IPA_NETWORK_STATS_FILE_NAME "/data/misc/ipa/network_stats" |
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typedef struct _wan_client_rt_hdl |
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{ |
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uint32_t wan_rt_rule_hdl_v4; |
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uint32_t wan_rt_rule_hdl_v6[IPV6_NUM_ADDR]; |
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uint32_t wan_rt_rule_hdl_v6_wan[IPV6_NUM_ADDR]; |
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}wan_client_rt_hdl; |
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typedef struct _ipa_wan_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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wan_client_rt_hdl wan_rt_hdl[0]; /* depends on number of tx properties */ |
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}ipa_wan_client; |
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/* wan iface */ |
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class IPACM_Wan : public IPACM_Iface |
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{ |
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public: |
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static bool wan_up; |
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static bool wan_up_v6; |
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static uint8_t xlat_mux_id; |
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/* IPACM interface name */ |
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static char wan_up_dev_name[IF_NAME_LEN]; |
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static uint32_t curr_wan_ip; |
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IPACM_Wan(int, ipacm_wan_iface_type, uint8_t *); |
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virtual ~IPACM_Wan(); |
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static bool isWanUP(int ipa_if_num_tether) |
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{ |
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#ifdef FEATURE_IPA_ANDROID |
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#ifdef FEATURE_IPACM_HAL |
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/*To avoid -Wall -Werror error */ |
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IPACMDBG_H("ipa_if_num_tether: %d\n",ipa_if_num_tether); |
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return wan_up; |
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#else |
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uint32_t i; |
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for (i=0; i < ipa_if_num_tether_v4_total;i++) |
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{ |
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if (ipa_if_num_tether_v4[i] == ipa_if_num_tether) |
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{ |
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IPACMDBG_H("support ipv4 tether_iface(%s)\n", |
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IPACM_Iface::ipacmcfg->iface_table[ipa_if_num_tether].iface_name); |
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return wan_up; |
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break; |
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} |
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} |
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return false; |
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#endif |
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#else |
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return wan_up; |
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#endif |
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} |
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static bool isWanUP_V6(int ipa_if_num_tether) |
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{ |
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#ifdef FEATURE_IPA_ANDROID |
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#ifdef FEATURE_IPACM_HAL |
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/*To avoid -Wall -Werror error */ |
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IPACMDBG_H("ipa_if_num_tether: %d\n",ipa_if_num_tether); |
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return wan_up_v6; |
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#else |
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uint32_t i; |
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for (i=0; i < ipa_if_num_tether_v6_total;i++) |
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{ |
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if (ipa_if_num_tether_v6[i] == ipa_if_num_tether) |
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{ |
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IPACMDBG_H("support ipv6 tether_iface(%s)\n", |
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IPACM_Iface::ipacmcfg->iface_table[ipa_if_num_tether].iface_name); |
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return wan_up_v6; |
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break; |
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} |
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} |
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return false; |
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#endif |
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#else |
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return wan_up_v6; |
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#endif |
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} |
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static uint32_t getWANIP() |
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{ |
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return curr_wan_ip; |
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} |
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static bool getXlat_Mux_Id() |
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{ |
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return xlat_mux_id; |
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} |
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void event_callback(ipa_cm_event_id event, |
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void *data); |
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static struct ipa_flt_rule_add flt_rule_v4[IPA_MAX_FLT_RULE]; |
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static struct ipa_flt_rule_add flt_rule_v6[IPA_MAX_FLT_RULE]; |
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static int num_v4_flt_rule; |
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static int num_v6_flt_rule; |
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ipacm_wan_iface_type m_is_sta_mode; |
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static bool backhaul_is_sta_mode; |
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static bool is_ext_prop_set; |
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static uint32_t backhaul_ipv6_prefix[2]; |
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static bool embms_is_on; |
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static bool backhaul_is_wan_bridge; |
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static bool isWan_Bridge_Mode() |
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{ |
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return backhaul_is_wan_bridge; |
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} |
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#ifdef FEATURE_IPA_ANDROID |
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/* IPACM interface id */ |
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static uint32_t ipa_if_num_tether_v4_total; |
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static int ipa_if_num_tether_v4[IPA_MAX_IFACE_ENTRIES]; |
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static uint32_t ipa_if_num_tether_v6_total; |
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static int ipa_if_num_tether_v6[IPA_MAX_IFACE_ENTRIES]; |
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#endif |
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private: |
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bool is_ipv6_frag_firewall_flt_rule_installed; |
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uint32_t ipv6_frag_firewall_flt_rule_hdl; |
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uint32_t *wan_route_rule_v4_hdl; |
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uint32_t *wan_route_rule_v6_hdl; |
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uint32_t *wan_route_rule_v6_hdl_a5; |
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uint32_t hdr_hdl_sta_v4; |
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uint32_t hdr_hdl_sta_v6; |
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uint32_t firewall_hdl_v4[IPACM_MAX_FIREWALL_ENTRIES]; |
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uint32_t firewall_hdl_v6[IPACM_MAX_FIREWALL_ENTRIES]; |
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uint32_t dft_wan_fl_hdl[IPA_NUM_DEFAULT_WAN_FILTER_RULES]; |
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uint32_t ipv6_dest_flt_rule_hdl[MAX_DEFAULT_v6_ROUTE_RULES]; |
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int num_ipv6_dest_flt_rule; |
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uint32_t ODU_fl_hdl[IPA_NUM_DEFAULT_WAN_FILTER_RULES]; |
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int num_firewall_v4,num_firewall_v6; |
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uint32_t wan_v4_addr; |
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uint32_t wan_v4_addr_gw; |
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uint32_t wan_v6_addr_gw[4]; |
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bool wan_v4_addr_set; |
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bool wan_v4_addr_gw_set; |
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bool wan_v6_addr_gw_set; |
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bool active_v4; |
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bool active_v6; |
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bool header_set_v4; |
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bool header_set_v6; |
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bool header_partial_default_wan_v4; |
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bool header_partial_default_wan_v6; |
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uint8_t ext_router_mac_addr[IPA_MAC_ADDR_SIZE]; |
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uint8_t netdev_mac[IPA_MAC_ADDR_SIZE]; |
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static int num_ipv4_modem_pdn; |
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static int num_ipv6_modem_pdn; |
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int modem_ipv4_pdn_index; |
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int modem_ipv6_pdn_index; |
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bool is_default_gateway; |
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uint32_t ipv6_prefix[2]; |
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/* IPACM firewall Configuration file*/ |
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IPACM_firewall_conf_t firewall_config; |
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/* STA mode wan-client*/ |
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int wan_client_len; |
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ipa_wan_client *wan_client; |
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int header_name_count; |
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uint32_t num_wan_client; |
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uint8_t invalid_mac[IPA_MAC_ADDR_SIZE]; |
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bool is_xlat; |
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/* update network stats for CNE */ |
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int ipa_network_stats_fd; |
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uint32_t hdr_hdl_dummy_v6; |
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uint32_t hdr_proc_hdl_dummy_v6; |
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inline ipa_wan_client* get_client_memptr(ipa_wan_client *param, int cnt) |
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{ |
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char *ret = ((char *)param) + (wan_client_len * cnt); |
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return (ipa_wan_client *)ret; |
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} |
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inline int get_wan_client_index(uint8_t *mac_addr) |
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{ |
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int cnt; |
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int num_wan_client_tmp = num_wan_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_wan_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(wan_client, cnt)->mac[0], |
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get_client_memptr(wan_client, cnt)->mac[1], |
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get_client_memptr(wan_client, cnt)->mac[2], |
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get_client_memptr(wan_client, cnt)->mac[3], |
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get_client_memptr(wan_client, cnt)->mac[4], |
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get_client_memptr(wan_client, cnt)->mac[5]); |
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if(memcmp(get_client_memptr(wan_client, cnt)->mac, |
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mac_addr, |
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sizeof(get_client_memptr(wan_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 get_wan_client_index_ipv4(uint32_t ipv4_addr) |
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{ |
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int cnt; |
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int num_wan_client_tmp = num_wan_client; |
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IPACMDBG_H("Passed IPv4 %x\n", ipv4_addr); |
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for(cnt = 0; cnt < num_wan_client_tmp; cnt++) |
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{ |
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if (get_client_memptr(wan_client, cnt)->ipv4_set) |
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{ |
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IPACMDBG_H("stored IPv4 %x\n", get_client_memptr(wan_client, cnt)->v4_addr); |
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if(ipv4_addr == get_client_memptr(wan_client, cnt)->v4_addr) |
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{ |
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IPACMDBG_H("Matched client index: %d\n", cnt); |
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IPACMDBG_H("The MAC is %02x:%02x:%02x:%02x:%02x:%02x\n", |
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get_client_memptr(wan_client, cnt)->mac[0], |
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get_client_memptr(wan_client, cnt)->mac[1], |
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get_client_memptr(wan_client, cnt)->mac[2], |
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get_client_memptr(wan_client, cnt)->mac[3], |
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get_client_memptr(wan_client, cnt)->mac[4], |
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get_client_memptr(wan_client, cnt)->mac[5]); |
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IPACMDBG_H("header set ipv4(%d) ipv6(%d)\n", |
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get_client_memptr(wan_client, cnt)->ipv4_header_set, |
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get_client_memptr(wan_client, cnt)->ipv6_header_set); |
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return cnt; |
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} |
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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 get_wan_client_index_ipv6(uint32_t* ipv6_addr) |
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{ |
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int cnt, v6_num; |
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int num_wan_client_tmp = num_wan_client; |
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IPACMDBG_H("Get ipv6 address 0x%08x.0x%08x.0x%08x.0x%08x\n", ipv6_addr[0], ipv6_addr[1], ipv6_addr[2], ipv6_addr[3]); |
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for(cnt = 0; cnt < num_wan_client_tmp; cnt++) |
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{ |
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if (get_client_memptr(wan_client, cnt)->ipv6_set) |
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{ |
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for(v6_num=0;v6_num < get_client_memptr(wan_client, cnt)->ipv6_set;v6_num++) |
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{ |
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IPACMDBG_H("stored IPv6 0x%08x.0x%08x.0x%08x.0x%08x\n", get_client_memptr(wan_client, cnt)->v6_addr[v6_num][0], |
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get_client_memptr(wan_client, cnt)->v6_addr[v6_num][1], |
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get_client_memptr(wan_client, cnt)->v6_addr[v6_num][2], |
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get_client_memptr(wan_client, cnt)->v6_addr[v6_num][3]); |
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if(ipv6_addr[0] == get_client_memptr(wan_client, cnt)->v6_addr[v6_num][0] && |
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ipv6_addr[1] == get_client_memptr(wan_client, cnt)->v6_addr[v6_num][1] && |
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ipv6_addr[2]== get_client_memptr(wan_client, cnt)->v6_addr[v6_num][2] && |
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ipv6_addr[3] == get_client_memptr(wan_client, cnt)->v6_addr[v6_num][3]) |
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{ |
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IPACMDBG_H("Matched client index: %d\n", cnt); |
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IPACMDBG_H("The MAC is %02x:%02x:%02x:%02x:%02x:%02x\n", |
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get_client_memptr(wan_client, cnt)->mac[0], |
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get_client_memptr(wan_client, cnt)->mac[1], |
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get_client_memptr(wan_client, cnt)->mac[2], |
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get_client_memptr(wan_client, cnt)->mac[3], |
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get_client_memptr(wan_client, cnt)->mac[4], |
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get_client_memptr(wan_client, cnt)->mac[5]); |
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IPACMDBG_H("header set ipv4(%d) ipv6(%d)\n", |
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get_client_memptr(wan_client, cnt)->ipv4_header_set, |
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get_client_memptr(wan_client, cnt)->ipv6_header_set); |
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return cnt; |
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} |
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} |
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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_wan_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(wan_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(wan_client, clt_indx)->wan_rt_hdl[tx_index].wan_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(wan_client, clt_indx)->route_rule_set_v4==true) /* for ipv4 */ |
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{ |
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get_client_memptr(wan_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(wan_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(wan_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(wan_client, clt_indx)->wan_rt_hdl[tx_index].wan_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(wan_client, clt_indx)->wan_rt_hdl[tx_index].wan_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(wan_client, clt_indx)->route_rule_set_v6 != 0) /* for ipv6 */ |
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{ |
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get_client_memptr(wan_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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int handle_wan_hdr_init(uint8_t *mac_addr); |
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int handle_wan_client_ipaddr(ipacm_event_data_all *data); |
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int handle_wan_client_route_rule(uint8_t *mac_addr, ipa_ip_type iptype); |
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/* handle new_address event */ |
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int handle_addr_evt(ipacm_event_data_addr *data); |
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/* wan default route/filter rule configuration */ |
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int handle_route_add_evt(ipa_ip_type iptype); |
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|
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/* construct complete STA ethernet header */ |
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int handle_sta_header_add_evt(); |
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bool check_dft_firewall_rules_attr_mask(IPACM_firewall_conf_t *firewall_config); |
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#ifdef FEATURE_IPA_ANDROID |
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/* wan posting supported tether_iface */ |
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int post_wan_up_tether_evt(ipa_ip_type iptype, int ipa_if_num_tether); |
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int post_wan_down_tether_evt(ipa_ip_type iptype, int ipa_if_num_tether); |
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#endif |
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int config_dft_firewall_rules(ipa_ip_type iptype); |
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|
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/* configure the initial firewall filter rules */ |
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int config_dft_embms_rules(ipa_ioc_add_flt_rule *pFilteringTable_v4, ipa_ioc_add_flt_rule *pFilteringTable_v6); |
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int handle_route_del_evt(ipa_ip_type iptype); |
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int del_dft_firewall_rules(ipa_ip_type iptype); |
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int handle_down_evt(); |
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/*handle wan-iface down event */ |
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int handle_down_evt_ex(); |
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/* wan default route/filter rule delete */ |
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int handle_route_del_evt_ex(ipa_ip_type iptype); |
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/* configure the initial firewall filter rules */ |
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int config_dft_firewall_rules_ex(struct ipa_flt_rule_add* rules, int rule_offset, |
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ipa_ip_type iptype); |
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/* init filtering rule in wan dl filtering table */ |
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int init_fl_rule_ex(ipa_ip_type iptype); |
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/* add ICMP and ALG rules in wan dl filtering table */ |
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int add_icmp_alg_rules(struct ipa_flt_rule_add* rules, int rule_offset, ipa_ip_type iptype); |
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/* query extended property */ |
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int query_ext_prop(); |
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ipa_ioc_query_intf_ext_props *ext_prop; |
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int config_wan_firewall_rule(ipa_ip_type iptype); |
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int del_wan_firewall_rule(ipa_ip_type iptype); |
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int add_dft_filtering_rule(struct ipa_flt_rule_add* rules, int rule_offset, ipa_ip_type iptype); |
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int install_wan_filtering_rule(bool is_sw_routing); |
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void change_to_network_order(ipa_ip_type iptype, ipa_rule_attrib* attrib); |
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bool is_global_ipv6_addr(uint32_t* ipv6_addr); |
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void handle_wlan_SCC_MCC_switch(bool, ipa_ip_type); |
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void handle_wan_client_SCC_MCC_switch(bool, ipa_ip_type); |
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int handle_network_stats_evt(); |
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int m_fd_ipa; |
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int handle_network_stats_update(ipa_get_apn_data_stats_resp_msg_v01 *data); |
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/* construct dummy ethernet header */ |
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int add_dummy_rx_hdr(); |
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}; |
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#endif /* IPACM_WAN_H */
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