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/*!
@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 %lu %lu %lu %lu"
#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);
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);
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;
bool modem_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 */