4d31d8482d
This reverts commit 98c3540df1.
Revert needed due Wifi Offload service crashing device and cause soft reboot
282 lines
8.5 KiB
C++
282 lines
8.5 KiB
C++
/*
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Copyright (c) 2014-2019, 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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* IPACM_LanToLan.h
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*
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* Created on: Mar 4th, 2014
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* Author: Shihuan Liu
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*/
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#ifndef IPACM_LANTOLAN_H
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#define IPACM_LANTOLAN_H
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#include <stdint.h>
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#include "linux/msm_ipa.h"
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#include "IPACM_Iface.h"
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#include "IPACM_Defs.h"
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#include "IPACM_Lan.h"
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#ifdef FEATURE_IPA_ANDROID
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#include <libxml/list.h>
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#endif /* defined(FEATURE_IPA_ANDROID) */
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#include <list>
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#define MAX_NUM_CACHED_CLIENT_ADD_EVENT 10
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#define MAX_NUM_IFACE 10
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#define MAX_NUM_CLIENT 16
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struct vlan_iface_info
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{
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char vlan_iface_name[IPA_RESOURCE_NAME_MAX];
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uint8_t vlan_id;
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uint32_t vlan_iface_ipv6_addr[4];
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uint8_t vlan_client_mac[6];
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uint32_t vlan_client_ipv6_addr[4];
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};
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struct l2tp_vlan_mapping_info
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{
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/* the following are l2tp iface info (name, session id) */
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char l2tp_iface_name[IPA_RESOURCE_NAME_MAX];
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uint8_t l2tp_session_id;
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/* the following are mdm vlan iface info (name, vlan id, ipv6 addr) */
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char vlan_iface_name[IPA_RESOURCE_NAME_MAX];
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uint8_t vlan_id;
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uint32_t vlan_iface_ipv6_addr[4];
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/* the following are MIB3 vlan client info (mac, ipv6 addr) */
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uint8_t vlan_client_mac[6];
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uint32_t vlan_client_ipv6_addr[4];
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/* the following is MIB3 l2tp client info (mac) */
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uint8_t l2tp_client_mac[6];
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};
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struct rt_rule_info
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{
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int num_hdl[IPA_IP_MAX]; /* one client may need more than one routing rules on the same routing table depending on tx_prop */
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uint32_t rule_hdl[IPA_IP_MAX][MAX_NUM_PROP];
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};
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struct l2tp_rt_rule_info
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{
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uint32_t first_pass_hdr_hdl; /* first pass hdr template (IPv4 and IPv6 use the same hdr template) */
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uint32_t first_pass_hdr_proc_ctx_hdl[IPA_IP_MAX]; /* first pass hdr proc ctx */
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uint32_t second_pass_hdr_hdl; /* second pass hdr template (IPv4 and IPv6 use the same hdr template) */
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int num_rt_hdl[IPA_IP_MAX]; /* number of TX properties for IPv4 and IPv6 respectively */
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uint32_t first_pass_rt_rule_hdl[IPA_IP_MAX][MAX_NUM_PROP]; /* first pass routing rule */
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uint32_t second_pass_rt_rule_hdl[MAX_NUM_PROP]; /*second pass routing rule (only ipv6 rt rule is needed) */
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};
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struct client_info
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{
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uint8_t mac_addr[6];
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rt_rule_info inter_iface_rt_rule_hdl[IPA_HDR_L2_MAX]; /* routing rule handles of inter interface communication based on source l2 header type */
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rt_rule_info intra_iface_rt_rule_hdl; /* routing rule handles of inter interface communication */
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bool is_l2tp_client;
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l2tp_vlan_mapping_info *mapping_info;
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l2tp_rt_rule_info l2tp_rt_rule_hdl[IPA_HDR_L2_MAX];
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int ep;
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};
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struct flt_rule_info
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{
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client_info *p_client;
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uint32_t flt_rule_hdl[IPA_IP_MAX];
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uint32_t l2tp_first_pass_flt_rule_hdl[IPA_IP_MAX]; /* L2TP filtering rules are destination MAC based */
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uint32_t l2tp_second_pass_flt_rule_hdl;
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};
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struct peer_iface_info
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{
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class IPACM_LanToLan_Iface *peer;
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char rt_tbl_name_for_rt[IPA_IP_MAX][IPA_RESOURCE_NAME_MAX];
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char rt_tbl_name_for_flt[IPA_IP_MAX][IPA_RESOURCE_NAME_MAX];
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list<flt_rule_info> flt_rule;
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};
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class IPACM_LanToLan_Iface
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{
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public:
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IPACM_LanToLan_Iface(IPACM_Lan *p_iface);
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~IPACM_LanToLan_Iface();
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void add_client_rt_rule_for_new_iface();
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void add_all_inter_interface_client_flt_rule(ipa_ip_type iptype);
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void add_all_intra_interface_client_flt_rule(ipa_ip_type iptype);
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void handle_down_event();
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void handle_wlan_scc_mcc_switch();
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void handle_intra_interface_info();
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void handle_new_iface_up(char rt_tbl_name_for_flt[][IPA_RESOURCE_NAME_MAX], char rt_tbl_name_for_rt[][IPA_RESOURCE_NAME_MAX],
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IPACM_LanToLan_Iface *peer_iface);
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void handle_client_add(uint8_t *mac, bool is_l2tp_client, l2tp_vlan_mapping_info *mapping_info, int ep);
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void handle_client_del(uint8_t *mac);
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void print_data_structure_info();
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IPACM_Lan* get_iface_pointer();
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bool get_m_is_ip_addr_assigned(ipa_ip_type iptype);
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void set_m_is_ip_addr_assigned(ipa_ip_type iptype, bool value);
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bool get_m_support_inter_iface_offload();
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bool get_m_support_intra_iface_offload();
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void increment_ref_cnt_peer_l2_hdr_type(ipa_hdr_l2_type peer_l2_type);
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void decrement_ref_cnt_peer_l2_hdr_type(ipa_hdr_l2_type peer_l2_type);
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#ifdef FEATURE_L2TP
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void switch_to_l2tp_iface();
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bool set_l2tp_iface(char *vlan_iface_name);
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bool is_l2tp_iface();
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void handle_l2tp_enable();
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void handle_l2tp_disable();
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#endif
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private:
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IPACM_Lan *m_p_iface;
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bool m_is_ip_addr_assigned[IPA_IP_MAX];
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bool m_support_inter_iface_offload;
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bool m_support_intra_iface_offload;
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bool m_is_l2tp_iface;
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int ref_cnt_peer_l2_hdr_type[IPA_HDR_L2_MAX]; /* reference count of l2 header type of peer interfaces */
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uint32_t hdr_proc_ctx_for_inter_interface[IPA_HDR_L2_MAX];
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uint32_t hdr_proc_ctx_for_intra_interface;
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uint32_t hdr_proc_ctx_for_l2tp; /* uc needs to remove 62 bytes IPv6 + L2TP + inner Ethernet header */
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list<client_info> m_client_info; /* client list */
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list<peer_iface_info> m_peer_iface_info; /* peer information list */
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/* The following members are for intra-interface communication*/
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peer_iface_info m_intra_interface_info;
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void add_one_client_flt_rule(IPACM_LanToLan_Iface *peer_iface, client_info *client);
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void add_client_flt_rule(peer_iface_info *peer, client_info *client, ipa_ip_type iptype);
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void del_one_client_flt_rule(IPACM_LanToLan_Iface *peer_iface, client_info *client);
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void del_client_flt_rule(peer_iface_info *peer, client_info *client);
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void add_client_rt_rule(peer_iface_info *peer, client_info *client);
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void del_client_rt_rule(peer_iface_info *peer, client_info *client);
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void add_l2tp_client_rt_rule(peer_iface_info *peer, client_info *client);
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void clear_all_flt_rule_for_one_peer_iface(peer_iface_info *peer);
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void clear_all_rt_rule_for_one_peer_iface(peer_iface_info *peer);
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void add_hdr_proc_ctx(ipa_hdr_l2_type peer_l2_type);
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void del_hdr_proc_ctx(ipa_hdr_l2_type peer_l2_type);
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void print_peer_info(peer_iface_info *peer_info);
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};
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class IPACM_LanToLan : public IPACM_Listener
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{
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public:
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static IPACM_LanToLan* p_instance;
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static IPACM_LanToLan* get_instance();
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#ifdef FEATURE_L2TP
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bool has_l2tp_iface();
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#endif
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private:
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IPACM_LanToLan();
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~IPACM_LanToLan();
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bool m_has_l2tp_iface;
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list<class IPACM_LanToLan_Iface> m_iface;
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list<ipacm_event_eth_bridge> m_cached_client_add_event;
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list<vlan_iface_info> m_vlan_iface;
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list<l2tp_vlan_mapping_info> m_l2tp_vlan_mapping;
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void handle_iface_up(ipacm_event_eth_bridge *data);
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void handle_iface_down(ipacm_event_eth_bridge *data);
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void handle_client_add(ipacm_event_eth_bridge *data);
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void handle_client_del(ipacm_event_eth_bridge *data);
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void handle_wlan_scc_mcc_switch(ipacm_event_eth_bridge *data);
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#ifdef FEATURE_L2TP
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void handle_add_vlan_iface(ipa_ioc_vlan_iface_info *data);
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void handle_del_vlan_iface(ipa_ioc_vlan_iface_info *data);
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void handle_add_l2tp_vlan_mapping(ipa_ioc_l2tp_vlan_mapping_info *data);
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void handle_del_l2tp_vlan_mapping(ipa_ioc_l2tp_vlan_mapping_info *data);
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void handle_vlan_client_info(ipacm_event_data_all *data);
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void handle_vlan_iface_info(ipacm_event_data_all *data);
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#endif
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void handle_new_iface_up(IPACM_LanToLan_Iface *new_iface, IPACM_LanToLan_Iface *exist_iface);
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void event_callback(ipa_cm_event_id event, void* param);
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void handle_cached_client_add_event(IPACM_Lan *p_iface);
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void clear_cached_client_add_event(IPACM_Lan *p_iface);
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void print_data_structure_info();
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};
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#endif
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