519 lines
15 KiB
C++
519 lines
15 KiB
C++
/*
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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_Lan.h
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@brief
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This file implements the LAN iface definitions
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@Author
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Skylar Chang
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*/
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#ifndef IPACM_LAN_H
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#define IPACM_LAN_H
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#include <stdio.h>
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#include <linux/msm_ipa.h>
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#include "IPACM_CmdQueue.h"
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#include "IPACM_Iface.h"
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#include "IPACM_Routing.h"
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#include "IPACM_Filtering.h"
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#include "IPACM_Config.h"
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#include "IPACM_Conntrack_NATApp.h"
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#define IPA_WAN_DEFAULT_FILTER_RULE_HANDLES 1
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#define IPA_PRIV_SUBNET_FILTER_RULE_HANDLES 3
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#define IPA_NUM_ODU_ROUTE_RULES 2
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#define MAX_WAN_UL_FILTER_RULES MAX_NUM_EXT_PROPS
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#define NUM_IPV4_ICMP_FLT_RULE 1
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#define NUM_IPV6_ICMP_FLT_RULE 1
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/* ndc bandwidth ipatetherstats <ifaceIn> <ifaceOut> */
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/* <in->out_bytes> <in->out_pkts> <out->in_bytes> <out->in_pkts */
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#define PIPE_STATS "%s %s %lu %lu %lu %lu"
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#define IPA_PIPE_STATS_FILE_NAME "/data/misc/ipa/tether_stats"
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/* store each lan-iface unicast routing rule and its handler*/
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struct ipa_lan_rt_rule
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{
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ipa_ip_type ip;
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uint32_t v4_addr;
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uint32_t v4_addr_mask;
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uint32_t v6_addr[4];
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uint32_t rt_rule_hdl[0];
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};
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typedef enum
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{
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SRC_WLAN,
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SRC_LAN
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} eth_bridge_src_iface;
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typedef enum
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{
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DST_WLAN,
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DST_LAN
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} eth_bridge_dst_iface;
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/* Support multiple eth client */
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typedef struct _eth_client_rt_hdl
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{
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uint32_t eth_rt_rule_hdl_v4;
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uint32_t eth_rt_rule_hdl_v6[IPV6_NUM_ADDR];
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uint32_t eth_rt_rule_hdl_v6_wan[IPV6_NUM_ADDR];
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}eth_client_rt_hdl;
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typedef struct _ipa_eth_client
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{
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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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eth_client_rt_hdl eth_rt_hdl[0]; /* depends on number of tx properties */
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}ipa_eth_client;
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struct lan2lan_flt_rule_hdl
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{
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uint32_t rule_hdl;
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bool valid;
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};
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struct lan2lan_hdr_hdl
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{
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uint32_t hdr_hdl;
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bool valid;
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};
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struct eth_bridge_client_flt_info
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{
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uint8_t mac[IPA_MAC_ADDR_SIZE];
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uint32_t flt_rule_hdl_v4;
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bool flt_rule_set_v4;
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uint32_t flt_rule_hdl_v6;
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bool flt_rule_set_v6;
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};
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struct eth_bridge_client_rt_info
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{
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uint8_t mac[IPA_MAC_ADDR_SIZE];
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uint32_t rt_rule_hdl[0];
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};
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struct hdr_proc_ctx_info
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{
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uint32_t proc_ctx_hdl;
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bool valid;
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};
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struct eth_bridge_subnet_client_info
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{
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uint8_t mac[IPA_MAC_ADDR_SIZE];
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int ipa_if_num;
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};
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/* lan iface */
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class IPACM_Lan : public IPACM_Iface
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{
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public:
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IPACM_Lan(int iface_index);
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~IPACM_Lan();
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/* store lan's wan-up filter rule handlers */
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uint32_t lan_wan_fl_rule_hdl[IPA_WAN_DEFAULT_FILTER_RULE_HANDLES];
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/* store private-subnet filter rule handlers */
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uint32_t private_fl_rule_hdl[IPA_MAX_PRIVATE_SUBNET_ENTRIES];
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/* LAN-iface's callback function */
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void event_callback(ipa_cm_event_id event, void *data);
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virtual int handle_wan_up(ipa_ip_type ip_type);
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/* configure filter rule for wan_up event*/
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virtual int handle_wan_up_ex(ipacm_ext_prop* ext_prop, ipa_ip_type iptype, uint8_t xlat_mux_id);
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/* delete filter rule for wan_down event*/
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virtual int handle_wan_down(bool is_sta_mode);
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/* delete filter rule for wan_down event*/
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virtual int handle_wan_down_v6(bool is_sta_mode);
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/* configure private subnet filter rules*/
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virtual int handle_private_subnet(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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int handle_addr_evt_odu_bridge(ipacm_event_data_addr* data);
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int handle_del_ipv6_addr(ipacm_event_data_all *data);
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static bool odu_up;
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/* install UL filter rule from Q6 */
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virtual int handle_uplink_filter_rule(ipacm_ext_prop* prop, ipa_ip_type iptype, uint8_t xlat_mux_id);
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int add_lan2lan_flt_rule(ipa_ip_type iptype, uint32_t src_v4_addr, uint32_t dst_v4_addr, uint32_t* src_v6_addr, uint32_t* dst_v6_addr, uint32_t* rule_hdl);
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int del_lan2lan_flt_rule(ipa_ip_type iptype, uint32_t rule_hdl);
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virtual int add_lan2lan_hdr(ipa_ip_type iptype, uint8_t* src_mac, uint8_t* dst_mac, uint32_t* hdr_hdl);
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int add_lan2lan_rt_rule(ipa_ip_type iptype, uint32_t src_v4_addr, uint32_t dst_v4_addr,
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uint32_t* src_v6_addr, uint32_t* dst_v6_addr, uint32_t hdr_hdl, lan_to_lan_rt_rule_hdl* rule_hdl);
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int del_lan2lan_rt_rule(ipa_ip_type iptype, lan_to_lan_rt_rule_hdl);
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int del_lan2lan_hdr(ipa_ip_type iptype, uint32_t hdr_hdl);
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int handle_cradle_wan_mode_switch(bool is_wan_bridge_mode);
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int install_ipv4_icmp_flt_rule();
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static ipa_hdr_l2_type lan_hdr_type;
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static ipa_hdr_l2_type wlan_hdr_type;
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static uint32_t usb_hdr_template_hdl;
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static uint32_t wlan_hdr_template_hdl;
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static uint32_t cpe_hdr_template_hdl;
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static hdr_proc_ctx_info lan_to_wlan_hdr_proc_ctx, wlan_to_usb_hdr_proc_ctx, wlan_to_cpe_hdr_proc_ctx;
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static hdr_proc_ctx_info wlan_to_wlan_hdr_proc_ctx;
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static hdr_proc_ctx_info cpe_to_usb_hdr_proc_ctx, usb_to_cpe_hdr_proc_ctx;
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static eth_bridge_subnet_client_info eth_bridge_wlan_client[IPA_LAN_TO_LAN_MAX_WLAN_CLIENT];
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static eth_bridge_subnet_client_info eth_bridge_lan_client[IPA_LAN_TO_LAN_MAX_LAN_CLIENT];
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static int num_wlan_client;
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static int num_lan_client;
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static bool is_usb_up;
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static bool is_cpe_up;
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protected:
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lan2lan_flt_rule_hdl wlan_client_flt_rule_hdl_v4[IPA_LAN_TO_LAN_MAX_WLAN_CLIENT];
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lan2lan_flt_rule_hdl wlan_client_flt_rule_hdl_v6[IPA_LAN_TO_LAN_MAX_WLAN_CLIENT];
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lan2lan_flt_rule_hdl lan_client_flt_rule_hdl_v4[IPA_LAN_TO_LAN_MAX_LAN_CLIENT];
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lan2lan_flt_rule_hdl lan_client_flt_rule_hdl_v6[IPA_LAN_TO_LAN_MAX_LAN_CLIENT];
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eth_bridge_client_flt_info eth_bridge_wlan_client_flt_info[IPA_LAN_TO_LAN_MAX_WLAN_CLIENT];
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eth_bridge_client_flt_info eth_bridge_lan_client_flt_info[IPA_LAN_TO_LAN_MAX_LAN_CLIENT];
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int wlan_client_flt_info_count;
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int lan_client_flt_info_count;
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int client_rt_info_size_v4;
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int client_rt_info_size_v6;
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eth_bridge_client_rt_info* eth_bridge_lan_client_rt_from_lan_info_v4;
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int lan_client_rt_from_lan_info_count_v4;
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eth_bridge_client_rt_info* eth_bridge_lan_client_rt_from_lan_info_v6;
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int lan_client_rt_from_lan_info_count_v6;
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eth_bridge_client_rt_info* eth_bridge_lan_client_rt_from_wlan_info_v4;
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int lan_client_rt_from_wlan_info_count_v4;
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eth_bridge_client_rt_info* eth_bridge_lan_client_rt_from_wlan_info_v6;
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int lan_client_rt_from_wlan_info_count_v6;
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int each_client_rt_rule_count_v4;
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int each_client_rt_rule_count_v6;
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virtual int eth_bridge_handle_dummy_wlan_client_flt_rule(ipa_ip_type iptype);
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virtual int eth_bridge_handle_dummy_lan_client_flt_rule(ipa_ip_type iptype);
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int eth_bridge_add_lan_client_flt_rule(uint8_t* mac, ipa_ip_type iptype);
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int eth_bridge_del_lan_client_flt_rule(uint8_t* mac);
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int eth_bridge_add_wlan_client_flt_rule(uint8_t* mac, ipa_ip_type iptype);
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int eth_bridge_del_wlan_client_flt_rule(uint8_t* mac);
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int eth_bridge_post_lan_client_event(uint8_t* mac_addr, ipa_cm_event_id evt);
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int add_hdr_proc_ctx();
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int del_hdr_proc_ctx();
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ipa_hdr_proc_type get_hdr_proc_type(ipa_hdr_l2_type t1, ipa_hdr_l2_type t2);
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virtual int eth_bridge_install_cache_wlan_client_flt_rule(ipa_ip_type iptype);
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virtual int eth_bridge_install_cache_lan_client_flt_rule(ipa_ip_type iptype);
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int eth_bridge_add_lan_client_rt_rule(uint8_t* mac, eth_bridge_src_iface src, ipa_ip_type iptype);
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int eth_bridge_del_lan_client_rt_rule(uint8_t* mac, eth_bridge_src_iface src);
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eth_bridge_client_rt_info* eth_bridge_get_client_rt_info_ptr(uint8_t index, eth_bridge_src_iface src, ipa_ip_type iptype);
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void eth_bridge_add_lan_client(uint8_t* mac);
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void eth_bridge_del_lan_client(uint8_t* mac);
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int eth_bridge_get_hdr_template_hdl(uint32_t* hdr_hdl);
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virtual int add_dummy_lan2lan_flt_rule(ipa_ip_type iptype);
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virtual int add_dummy_private_subnet_flt_rule(ipa_ip_type iptype);
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int handle_private_subnet_android(ipa_ip_type iptype);
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int reset_to_dummy_flt_rule(ipa_ip_type iptype, uint32_t rule_hdl);
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/*handle lan2lan client active*/
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int handle_lan2lan_client_active(ipacm_event_data_all *data, ipa_cm_event_id event);
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virtual int install_ipv6_prefix_flt_rule(uint32_t* prefix);
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virtual void delete_ipv6_prefix_flt_rule();
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int install_ipv6_icmp_flt_rule();
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void post_del_self_evt();
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/* handle tethering stats */
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int handle_tethering_stats_event(ipa_get_data_stats_resp_msg_v01 *data);
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/* handle tethering client */
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int handle_tethering_client(bool reset, ipacm_client_enum ipa_client);
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lan2lan_flt_rule_hdl lan2lan_flt_rule_hdl_v4[MAX_OFFLOAD_PAIR];
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lan2lan_flt_rule_hdl lan2lan_flt_rule_hdl_v6[MAX_OFFLOAD_PAIR];
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uint8_t num_lan2lan_flt_rule_v4;
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uint8_t num_lan2lan_flt_rule_v6;
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lan2lan_hdr_hdl lan2lan_hdr_hdl_v4[MAX_OFFLOAD_PAIR];
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lan2lan_hdr_hdl lan2lan_hdr_hdl_v6[MAX_OFFLOAD_PAIR];
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/* store ipv4 UL filter rule handlers from Q6*/
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uint32_t wan_ul_fl_rule_hdl_v4[MAX_WAN_UL_FILTER_RULES];
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/* store ipv6 UL filter rule handlers from Q6*/
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uint32_t wan_ul_fl_rule_hdl_v6[MAX_WAN_UL_FILTER_RULES];
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virtual void install_tcp_ctl_flt_rule(ipa_ip_type iptype);
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uint32_t ipv4_icmp_flt_rule_hdl[NUM_IPV4_ICMP_FLT_RULE];
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uint32_t tcp_ctl_flt_rule_hdl_v4[NUM_TCP_CTL_FLT_RULE];
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uint32_t tcp_ctl_flt_rule_hdl_v6[NUM_TCP_CTL_FLT_RULE];
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uint32_t ipv6_prefix_flt_rule_hdl[NUM_IPV6_PREFIX_FLT_RULE];
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uint32_t ipv6_icmp_flt_rule_hdl[NUM_IPV6_ICMP_FLT_RULE];
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int num_wan_ul_fl_rule_v4;
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int num_wan_ul_fl_rule_v6;
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bool is_active;
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bool modem_ul_v4_set;
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bool modem_ul_v6_set;
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uint32_t if_ipv4_subnet;
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/* expected modem UL rules starting index */
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int exp_index_v4;
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int exp_index_v6;
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private:
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/* dynamically allocate lan iface's unicast routing rule structure */
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bool is_mode_switch; /* indicate mode switch, need post internal up event */
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int eth_client_len;
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ipa_eth_client *eth_client;
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int header_name_count;
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int num_eth_client;
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NatApp *Nat_App;
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int ipv6_set;
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uint32_t ODU_hdr_hdl_v4, ODU_hdr_hdl_v6;
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uint32_t *odu_route_rule_v4_hdl;
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uint32_t *odu_route_rule_v6_hdl;
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bool ipv4_header_set;
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bool ipv6_header_set;
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inline ipa_eth_client* get_client_memptr(ipa_eth_client *param, int cnt)
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{
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char *ret = ((char *)param) + (eth_client_len * cnt);
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return (ipa_eth_client *)ret;
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}
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inline int get_eth_client_index(uint8_t *mac_addr)
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{
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int cnt;
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int num_eth_client_tmp = num_eth_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_eth_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(eth_client, cnt)->mac[0],
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get_client_memptr(eth_client, cnt)->mac[1],
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get_client_memptr(eth_client, cnt)->mac[2],
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get_client_memptr(eth_client, cnt)->mac[3],
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get_client_memptr(eth_client, cnt)->mac[4],
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get_client_memptr(eth_client, cnt)->mac[5]);
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if(memcmp(get_client_memptr(eth_client, cnt)->mac,
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mac_addr,
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sizeof(get_client_memptr(eth_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_eth_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(eth_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 RT-rules for tx:%d\n",clt_indx,tx_index);
|
|
rt_hdl = get_client_memptr(eth_client, clt_indx)->eth_rt_hdl[tx_index].eth_rt_rule_hdl_v4;
|
|
|
|
if(m_routing.DeleteRoutingHdl(rt_hdl, IPA_IP_v4) == false)
|
|
{
|
|
return IPACM_FAILURE;
|
|
}
|
|
}
|
|
} /* end of for loop */
|
|
|
|
/* clean the ipv4 RT rules for eth-client:clt_indx */
|
|
if(get_client_memptr(eth_client, clt_indx)->route_rule_set_v4==true) /* for ipv4 */
|
|
{
|
|
get_client_memptr(eth_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(eth_client, clt_indx)->route_rule_set_v6 != 0)) /* for ipv6 */
|
|
{
|
|
for(num_v6 =0;num_v6 < get_client_memptr(eth_client, clt_indx)->route_rule_set_v6;num_v6++)
|
|
{
|
|
IPACMDBG_H("Delete client index %d ipv6 RT-rules for %d-st ipv6 for tx:%d\n", clt_indx,num_v6,tx_index);
|
|
rt_hdl = get_client_memptr(eth_client, clt_indx)->eth_rt_hdl[tx_index].eth_rt_rule_hdl_v6[num_v6];
|
|
if(m_routing.DeleteRoutingHdl(rt_hdl, IPA_IP_v6) == false)
|
|
{
|
|
return IPACM_FAILURE;
|
|
}
|
|
|
|
rt_hdl = get_client_memptr(eth_client, clt_indx)->eth_rt_hdl[tx_index].eth_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 ipv6 RT rules for eth-client:clt_indx */
|
|
if(get_client_memptr(eth_client, clt_indx)->route_rule_set_v6 != 0) /* for ipv6 */
|
|
{
|
|
get_client_memptr(eth_client, clt_indx)->route_rule_set_v6 = 0;
|
|
}
|
|
}
|
|
|
|
return IPACM_SUCCESS;
|
|
}
|
|
|
|
/* handle eth client initial, construct full headers (tx property) */
|
|
int handle_eth_hdr_init(uint8_t *mac_addr);
|
|
|
|
/* handle eth client ip-address */
|
|
int handle_eth_client_ipaddr(ipacm_event_data_all *data);
|
|
|
|
/* handle eth client routing rule*/
|
|
int handle_eth_client_route_rule(uint8_t *mac_addr, ipa_ip_type iptype);
|
|
|
|
/*handle eth client del mode*/
|
|
int handle_eth_client_down_evt(uint8_t *mac_addr);
|
|
|
|
/* handle odu client initial, construct full headers (tx property) */
|
|
int handle_odu_hdr_init(uint8_t *mac_addr);
|
|
|
|
/* handle odu default route rule configuration */
|
|
int handle_odu_route_add();
|
|
|
|
/* handle odu default route rule deletion */
|
|
int handle_odu_route_del();
|
|
|
|
/*handle lan iface down event*/
|
|
int handle_down_evt();
|
|
|
|
/*handle lan2lan internal mesg posting*/
|
|
int post_lan2lan_client_disconnect_msg(ipa_ip_type iptype);
|
|
|
|
/*handle reset usb-client rt-rules */
|
|
int handle_lan_client_reset_rt(ipa_ip_type iptype);
|
|
};
|
|
|
|
#endif /* IPACM_LAN_H */
|