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tango-tfe/common/include/tfe_packet_io.h

124 lines
2.9 KiB
C

#ifndef _TFE_PACKET_IO_H
#define _TFE_PACKET_IO_H
#ifdef __cpluscplus
extern "C"
{
#endif
#include "tuple.h"
#include "tfe_packet_io_fs.h"
struct tap_ctx
{
int tap_s;
int tap_c;
int tap_fd;
int eventfd;
int eventfd_c;
int eventfd_s;
struct io_uring_instance *io_uring_fd;
struct io_uring_instance *io_uring_c;
struct io_uring_instance *io_uring_s;
};
struct packet_io_thread_ctx
{
pthread_t tid;
int thread_index;
struct tap_ctx *tap_ctx;
struct session_table *session_table;
struct packet_io *ref_io;
struct tfe_proxy *ref_proxy;
struct packet_io_fs *ret_fs_state;
struct acceptor_kni_v4 *ref_acceptor_ctx;
struct expiry_dablooms_handle *dup_packet_filter;
void *logger;
int session_table_need_reset;
};
struct packet_info
{
int is_ipv4;
int is_e2i_dir;
int header_len;
char *header_data;
struct tuple4 tuple4;
struct sids sids;
struct route_ctx route_ctx;
struct throughput_metrics rx;
struct throughput_metrics rx_send_complete;
};
struct session_ctx
{
uint64_t policy_ids;
uint64_t session_id;
uint8_t is_passthrough;
uint8_t protocol;
uint8_t metric_hit;
char session_addr[128];
struct packet_info c2s_info;
struct packet_info s2c_info;
struct timespec metrics_last_time;
struct metadata *ctrl_meta;
struct tfe_cmsg *cmsg;
struct packet_io_thread_ctx *ref_thread_ctx;
};
struct acceptor_kni_v4
{
int dup_packet_filter_enable;
int dup_packet_filter_capacity;
int dup_packet_filter_timeout;
double dup_packet_filter_error_rate;
int debug;
int firewall_sids;
int proxy_sids;
int sce_sids;
int nr_worker_threads;
int cpu_affinity_mask[TFE_THREAD_MAX];
cpu_set_t coremask;
struct packet_io *io;
struct packet_io_fs *packet_io_fs;
struct tfe_fieldstat_easy_t *metric;
struct packet_io_thread_ctx work_threads[TFE_THREAD_MAX];
struct tfe_proxy *ref_proxy;
};
int is_enable_iouring(struct packet_io *handle);
void tfe_tap_ctx_destory(struct tap_ctx *handler);
struct tap_ctx *tfe_tap_ctx_create(void *ctx);
int packet_io_thread_init(struct packet_io *handle, struct packet_io_thread_ctx *thread_ctx, void *logger);
void packet_io_thread_wait(struct packet_io *handle, struct packet_io_thread_ctx *thread_ctx, int timeout_ms);
void packet_io_destory(struct packet_io *handle);
struct packet_io *packet_io_create(const char *profile, int thread_num, cpu_set_t *coremask, void *logger);
int packet_io_polling_nf_interface(struct packet_io *handle, int thread_seq, void *ctx);
void handle_decryption_packet_from_tap(const char *data, int len, void *args);
void handle_raw_packet_from_tap(const char *data, int len, void *args);
// only for test
int raw_traffic_decapsulate(struct packet *handler, const char *raw_data, int raw_len, char **header, int *header_len, int *is_ipv4);
#ifdef __cpluscplus
}
#endif
#endif