96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
#ifndef RAWSOCK_PFRING_H
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#define RAWSOCK_PFRING_H
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#include <stdint.h>
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#include <time.h>
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/*
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* Various PF_RING defines
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*/
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struct __pfring;
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typedef struct __pfring pfring;
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typedef enum {
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rx_and_tx_direction = 0,
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rx_only_direction,
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tx_only_direction
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} packet_direction;
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struct pfring_pkthdr {
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struct xtimeval {
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long tv_sec;
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long tv_usec;
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} ts;
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unsigned caplen;
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unsigned len;
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/* only filled in if PF_RING_LONG_HEADER set */
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unsigned char extended_hdr[512];
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};
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#define PF_RING_ERROR_GENERIC -1
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#define PF_RING_ERROR_INVALID_ARGUMENT -2
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#define PF_RING_ERROR_NO_PKT_AVAILABLE -3
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#define PF_RING_ERROR_NO_TX_SLOT_AVAILABLE -4
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#define PF_RING_ERROR_WRONG_CONFIGURATION -5
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#define PF_RING_ERROR_END_OF_DEMO_MODE -6
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#define PF_RING_ERROR_NOT_SUPPORTED -7
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#define PF_RING_ERROR_INVALID_LIB_VERSION -8
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#define PF_RING_ERROR_UNKNOWN_ADAPTER -9
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#define PF_RING_ERROR_NOT_ENOUGH_MEMORY -10
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#define PF_RING_ERROR_INVALID_STATUS -11
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#define PF_RING_DNA_SYMMETRIC_RSS 1 << 0
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#define PF_RING_REENTRANT 1 << 1
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#define PF_RING_LONG_HEADER 1 << 2
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#define PF_RING_PROMISC 1 << 3
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#define PF_RING_TIMESTAMP 1 << 4
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#define PF_RING_HW_TIMESTAMP 1 << 5
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#define PF_RING_RX_PACKET_BOUNCE 1 << 6
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#define PF_RING_DNA_FIXED_RSS_Q_0 1 << 7
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#define PF_RING_STRIP_HW_TIMESTAMP 1 << 8
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#define PF_RING_DO_NOT_PARSE 1 << 9 /* parsing already disabled in zero-copy */
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#define PF_RING_DO_NOT_TIMESTAMP 1 << 10 /* sw timestamp already disabled in zero-copy */
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/*
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* function prototypes
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*/
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typedef pfring*(*PFRING_OPEN)(
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const char *device_name,
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unsigned caplen,
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unsigned flags);
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typedef void (*PFRING_CLOSE)(pfring *ring);
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typedef int (*PFRING_ENABLE_RING)(pfring *ring);
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typedef int (*PFRING_SEND)( pfring *ring,
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const unsigned char *buffer,
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unsigned buffer_length,
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unsigned char flush_packet);
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typedef int (*PFRING_RECV)( pfring *ring,
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unsigned char** buffer,
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unsigned buffer_length,
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struct pfring_pkthdr *hdr,
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unsigned char wait_for_incoming_packet);
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typedef int (*PFRING_POLL)(pfring *ring, unsigned wait_duration);
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typedef int (*PFRING_VERSION)(pfring *ring, unsigned *version);
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typedef int (*PFRING_SET_DIRECTION)(pfring *ring, int direction);
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typedef int (*PFRING_SET_APPLICATION_NAME)(pfring *ring, char *name);
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typedef int (*PFRING_GET_BOUND_DEVICE)(pfring *ring, unsigned char mac_address[6]);
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/*
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* scoped object
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*/
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extern struct PFRING {
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PFRING_OPEN open;
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PFRING_CLOSE close;
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PFRING_ENABLE_RING enable_ring;
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PFRING_SEND send;
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PFRING_RECV recv;
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PFRING_POLL poll;
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PFRING_VERSION version;
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PFRING_SET_DIRECTION set_direction;
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PFRING_SET_APPLICATION_NAME set_application_name;
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PFRING_GET_BOUND_DEVICE get_bound_device;
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} PFRING;
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/*
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* call this to load the library
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*/
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int PFRING_init(void);
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#endif
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