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Diffstat (limited to 'data-ipa-cfg-mgr/ipacm/inc/IPACM_Lan.h')
| -rw-r--r-- | data-ipa-cfg-mgr/ipacm/inc/IPACM_Lan.h | 438 |
1 files changed, 438 insertions, 0 deletions
diff --git a/data-ipa-cfg-mgr/ipacm/inc/IPACM_Lan.h b/data-ipa-cfg-mgr/ipacm/inc/IPACM_Lan.h new file mode 100644 index 0000000..f27cb82 --- /dev/null +++ b/data-ipa-cfg-mgr/ipacm/inc/IPACM_Lan.h @@ -0,0 +1,438 @@ +/* +Copyright (c) 2013-2017, The Linux Foundation. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + * Neither the name of The Linux Foundation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED +WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS +BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR +BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +/*! + @file + IPACM_Lan.h + + @brief + This file implements the LAN iface definitions + + @Author + Skylar Chang + +*/ +#ifndef IPACM_LAN_H +#define IPACM_LAN_H + +#include <stdio.h> +#include <linux/msm_ipa.h> + +#include "IPACM_CmdQueue.h" +#include "IPACM_Iface.h" +#include "IPACM_Routing.h" +#include "IPACM_Filtering.h" +#include "IPACM_Config.h" +#include "IPACM_Conntrack_NATApp.h" + +#define IPA_WAN_DEFAULT_FILTER_RULE_HANDLES 1 +#define IPA_PRIV_SUBNET_FILTER_RULE_HANDLES 3 +#define IPA_NUM_ODU_ROUTE_RULES 2 +#define MAX_WAN_UL_FILTER_RULES MAX_NUM_EXT_PROPS +#define NUM_IPV4_ICMP_FLT_RULE 1 +#define NUM_IPV6_ICMP_FLT_RULE 1 + +/* ndc bandwidth ipatetherstats <ifaceIn> <ifaceOut> */ +/* <in->out_bytes> <in->out_pkts> <out->in_bytes> <out->in_pkts */ + +#define PIPE_STATS "%s %s %llu %llu %llu %llu" +#define IPA_PIPE_STATS_FILE_NAME "/data/misc/ipa/tether_stats" + +/* store each lan-iface unicast routing rule and its handler*/ +struct ipa_lan_rt_rule +{ + ipa_ip_type ip; + uint32_t v4_addr; + uint32_t v4_addr_mask; + uint32_t v6_addr[4]; + uint32_t rt_rule_hdl[0]; +}; + +/* Support multiple eth client */ +typedef struct _eth_client_rt_hdl +{ + uint32_t eth_rt_rule_hdl_v4; + uint32_t eth_rt_rule_hdl_v6[IPV6_NUM_ADDR]; + uint32_t eth_rt_rule_hdl_v6_wan[IPV6_NUM_ADDR]; +}eth_client_rt_hdl; + +typedef struct _ipa_eth_client +{ + uint8_t mac[IPA_MAC_ADDR_SIZE]; + uint32_t v4_addr; + uint32_t v6_addr[IPV6_NUM_ADDR][4]; + uint32_t hdr_hdl_v4; + uint32_t hdr_hdl_v6; + bool route_rule_set_v4; + int route_rule_set_v6; + bool ipv4_set; + int ipv6_set; + bool ipv4_header_set; + bool ipv6_header_set; + eth_client_rt_hdl eth_rt_hdl[0]; /* depends on number of tx properties */ +}ipa_eth_client; + + +/* lan iface */ +class IPACM_Lan : public IPACM_Iface +{ +public: + + IPACM_Lan(int iface_index); + ~IPACM_Lan(); + + /* store lan's wan-up filter rule handlers */ + uint32_t lan_wan_fl_rule_hdl[IPA_WAN_DEFAULT_FILTER_RULE_HANDLES]; + + /* store private-subnet filter rule handlers */ + uint32_t private_fl_rule_hdl[IPA_MAX_PRIVATE_SUBNET_ENTRIES]; + + /* LAN-iface's callback function */ + void event_callback(ipa_cm_event_id event, void *data); + + virtual int handle_wan_up(ipa_ip_type ip_type); + + /* configure filter rule for wan_up event*/ + virtual int handle_wan_up_ex(ipacm_ext_prop* ext_prop, ipa_ip_type iptype, uint8_t xlat_mux_id); + + /* delete filter rule for wan_down event*/ + virtual int handle_wan_down(bool is_sta_mode); + + /* delete filter rule for wan_down event*/ + virtual int handle_wan_down_v6(bool is_sta_mode); + + /* configure private subnet filter rules*/ + virtual int handle_private_subnet(ipa_ip_type iptype); + + /* handle new_address event*/ + int handle_addr_evt(ipacm_event_data_addr *data); + + int handle_addr_evt_odu_bridge(ipacm_event_data_addr* data); + + int handle_del_ipv6_addr(ipacm_event_data_all *data); + + static bool odu_up; + + /* install UL filter rule from Q6 */ + virtual int handle_uplink_filter_rule(ipacm_ext_prop* prop, ipa_ip_type iptype, uint8_t xlat_mux_id); + + int handle_cradle_wan_mode_switch(bool is_wan_bridge_mode); + + int install_ipv4_icmp_flt_rule(); + + + /* add header processing context and return handle to lan2lan controller */ + int eth_bridge_add_hdr_proc_ctx(ipa_hdr_l2_type peer_l2_hdr_type, uint32_t *hdl); + + /* add routing rule and return handle to lan2lan controller */ + int eth_bridge_add_rt_rule(uint8_t *mac, char *rt_tbl_name, uint32_t hdr_proc_ctx_hdl, + ipa_hdr_l2_type peer_l2_hdr_type, ipa_ip_type iptype, uint32_t *rt_rule_hdl, int *rt_rule_count); + + /* modify routing rule*/ + int eth_bridge_modify_rt_rule(uint8_t *mac, uint32_t hdr_proc_ctx_hdl, + ipa_hdr_l2_type peer_l2_hdr_type, ipa_ip_type iptype, uint32_t *rt_rule_hdl, int rt_rule_count); + + /* add filtering rule and return handle to lan2lan controller */ + int eth_bridge_add_flt_rule(uint8_t *mac, uint32_t rt_tbl_hdl, ipa_ip_type iptype, uint32_t *flt_rule_hdl); + + /* delete filtering rule */ + int eth_bridge_del_flt_rule(uint32_t flt_rule_hdl, ipa_ip_type iptype); + + /* delete routing rule */ + int eth_bridge_del_rt_rule(uint32_t rt_rule_hdl, ipa_ip_type iptype); + + /* delete header processing context */ + int eth_bridge_del_hdr_proc_ctx(uint32_t hdr_proc_ctx_hdl); + +#ifdef FEATURE_L2TP + /* add l2tp rt rule for l2tp client */ + int add_l2tp_rt_rule(ipa_ip_type iptype, uint8_t *dst_mac, ipa_hdr_l2_type peer_l2_hdr_type, + uint32_t l2tp_session_id, uint32_t vlan_id, uint8_t *vlan_client_mac, uint32_t *vlan_iface_ipv6_addr, + uint32_t *vlan_client_ipv6_addr, uint32_t *first_pass_hdr_hdl, uint32_t *first_pass_hdr_proc_ctx_hdl, + uint32_t *second_pass_hdr_hdl, int *num_rt_hdl, uint32_t *first_pass_rt_rule_hdl, uint32_t *second_pass_rt_rule_hdl); + + /* delete l2tp rt rule for l2tp client */ + int del_l2tp_rt_rule(ipa_ip_type iptype, uint32_t first_pass_hdr_hdl, uint32_t first_pass_hdr_proc_ctx_hdl, + uint32_t second_pass_hdr_hdl, int num_rt_hdl, uint32_t *first_pass_rt_rule_hdl, uint32_t *second_pass_rt_rule_hdl); + + /* add l2tp rt rule for non l2tp client */ + int add_l2tp_rt_rule(ipa_ip_type iptype, uint8_t *dst_mac, uint32_t *hdr_proc_ctx_hdl, + int *num_rt_hdl, uint32_t *rt_rule_hdl); + + /* delete l2tp rt rule for non l2tp client */ + int del_l2tp_rt_rule(ipa_ip_type iptype, int num_rt_hdl, uint32_t *rt_rule_hdl); + + /* add l2tp flt rule on l2tp interface */ + int add_l2tp_flt_rule(uint8_t *dst_mac, uint32_t *flt_rule_hdl); + + /* delete l2tp flt rule on l2tp interface */ + int del_l2tp_flt_rule(uint32_t flt_rule_hdl); + + /* add l2tp flt rule on non l2tp interface */ + int add_l2tp_flt_rule(ipa_ip_type iptype, uint8_t *dst_mac, uint32_t *vlan_client_ipv6_addr, + uint32_t *first_pass_flt_rule_hdl, uint32_t *second_pass_flt_rule_hdl); + + /* delete l2tp flt rule on non l2tp interface */ + int del_l2tp_flt_rule(ipa_ip_type iptype, uint32_t first_pass_flt_rule_hdl, uint32_t second_pass_flt_rule_hdl); +#endif + +protected: + + int each_client_rt_rule_count[IPA_IP_MAX]; + + uint32_t eth_bridge_flt_rule_offset[IPA_IP_MAX]; + + /* mac address has to be provided for client related events */ + void eth_bridge_post_event(ipa_cm_event_id evt, ipa_ip_type iptype, uint8_t *mac, + uint32_t *ipv6_addr, char *iface_name); + +#ifdef FEATURE_L2TP + /* check if the event is associated with vlan interface */ + bool is_vlan_event(char *event_iface_name); + /* check if the event is associated with l2tp interface */ + bool is_l2tp_event(char *event_iface_name); + + /* check if the IPv6 address is unique local address */ + bool is_unique_local_ipv6_addr(uint32_t *ipv6_addr); + +#endif + virtual int add_dummy_private_subnet_flt_rule(ipa_ip_type iptype); + + int handle_private_subnet_android(ipa_ip_type iptype); + + int reset_to_dummy_flt_rule(ipa_ip_type iptype, uint32_t rule_hdl); + + virtual int install_ipv6_prefix_flt_rule(uint32_t* prefix); + + virtual void delete_ipv6_prefix_flt_rule(); + + int install_ipv6_icmp_flt_rule(); + + void post_del_self_evt(); + + /* handle tethering stats */ + int handle_tethering_stats_event(ipa_get_data_stats_resp_msg_v01 *data); + + /* handle tethering client */ + int handle_tethering_client(bool reset, ipacm_client_enum ipa_client); + + /* store ipv4 UL filter rule handlers from Q6*/ + uint32_t wan_ul_fl_rule_hdl_v4[MAX_WAN_UL_FILTER_RULES]; + + /* store ipv6 UL filter rule handlers from Q6*/ + uint32_t wan_ul_fl_rule_hdl_v6[MAX_WAN_UL_FILTER_RULES]; + + uint32_t ipv4_icmp_flt_rule_hdl[NUM_IPV4_ICMP_FLT_RULE]; + + uint32_t ipv6_prefix_flt_rule_hdl[NUM_IPV6_PREFIX_FLT_RULE]; + uint32_t ipv6_icmp_flt_rule_hdl[NUM_IPV6_ICMP_FLT_RULE]; + + int num_wan_ul_fl_rule_v4; + int num_wan_ul_fl_rule_v6; + + bool is_active; + bool modem_ul_v4_set; + uint8_t v4_mux_id; + bool modem_ul_v6_set; + uint8_t v6_mux_id; + + bool sta_ul_v4_set; + bool sta_ul_v6_set; + + uint32_t if_ipv4_subnet; + + uint32_t ipv6_prefix[2]; + + bool is_upstream_set[IPA_IP_MAX]; + bool is_downstream_set[IPA_IP_MAX]; + _ipacm_offload_prefix prefix[IPA_IP_MAX]; + +private: + + /* get hdr proc ctx type given source and destination l2 hdr type */ + ipa_hdr_proc_type eth_bridge_get_hdr_proc_type(ipa_hdr_l2_type t1, ipa_hdr_l2_type t2); + + /* get partial header (header template of hdr proc ctx) */ + int eth_bridge_get_hdr_template_hdl(uint32_t* hdr_hdl); + + + /* dynamically allocate lan iface's unicast routing rule structure */ + + bool is_mode_switch; /* indicate mode switch, need post internal up event */ + + int eth_client_len; + + ipa_eth_client *eth_client; + + int header_name_count; + + uint32_t num_eth_client; + + NatApp *Nat_App; + + int ipv6_set; + + uint32_t ODU_hdr_hdl_v4, ODU_hdr_hdl_v6; + + uint32_t *odu_route_rule_v4_hdl; + + uint32_t *odu_route_rule_v6_hdl; + + bool ipv4_header_set; + + bool ipv6_header_set; + + inline ipa_eth_client* get_client_memptr(ipa_eth_client *param, int cnt) + { + char *ret = ((char *)param) + (eth_client_len * cnt); + return (ipa_eth_client *)ret; + } + + inline int get_eth_client_index(uint8_t *mac_addr) + { + int cnt; + int num_eth_client_tmp = num_eth_client; + + IPACMDBG_H("Passed MAC %02x:%02x:%02x:%02x:%02x:%02x\n", + mac_addr[0], mac_addr[1], mac_addr[2], + mac_addr[3], mac_addr[4], mac_addr[5]); + + for(cnt = 0; cnt < num_eth_client_tmp; cnt++) + { + IPACMDBG_H("stored MAC %02x:%02x:%02x:%02x:%02x:%02x\n", + get_client_memptr(eth_client, cnt)->mac[0], + get_client_memptr(eth_client, cnt)->mac[1], + get_client_memptr(eth_client, cnt)->mac[2], + get_client_memptr(eth_client, cnt)->mac[3], + get_client_memptr(eth_client, cnt)->mac[4], + get_client_memptr(eth_client, cnt)->mac[5]); + + if(memcmp(get_client_memptr(eth_client, cnt)->mac, + mac_addr, + sizeof(get_client_memptr(eth_client, cnt)->mac)) == 0) + { + IPACMDBG_H("Matched client index: %d\n", cnt); + return cnt; + } + } + + return IPACM_INVALID_INDEX; + } + + inline int delete_eth_rtrules(int clt_indx, ipa_ip_type iptype) + { + uint32_t tx_index; + uint32_t rt_hdl; + int num_v6; + + if(iptype == IPA_IP_v4) + { + for(tx_index = 0; tx_index < iface_query->num_tx_props; tx_index++) + { + if((tx_prop->tx[tx_index].ip == IPA_IP_v4) && (get_client_memptr(eth_client, clt_indx)->route_rule_set_v4==true)) /* for ipv4 */ + { + 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 reset usb-client rt-rules */ + int handle_lan_client_reset_rt(ipa_ip_type iptype); +}; + +#endif /* IPACM_LAN_H */ |