Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

[WIP] Send packets using tpacket feature and enable tx hardware timestamping #942

Draft
wants to merge 1 commit into
base: master
Choose a base branch
from
Draft

[WIP] Send packets using tpacket feature and enable tx hardware timestamping #942

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
19 changes: 18 additions & 1 deletion pcap-int.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,10 +38,11 @@

#include <signal.h>

#include <pcap/pcap.h>
#include "pcap/pcap.h"

#include "varattrs.h"
#include "fmtutils.h"
#include <time.h>

/*
* Version string.
Expand Down Expand Up @@ -145,6 +146,9 @@ struct pcap_opt {
int promisc;
int rfmon; /* monitor mode */
int immediate; /* immediate mode - deliver packets as soon as they arrive */
#ifdef TX_MMAP
int tx_immediate; /* tx_immediate mode - send packet as soon as copied to a frame in ring*/
#endif
int nonblock; /* non-blocking mode - don't wait for packets to be delivered, return "no packets available" */
int tstamp_type;
int tstamp_precision;
Expand All @@ -161,6 +165,9 @@ struct pcap_opt {
};

typedef int (*activate_op_t)(pcap_t *);
#ifdef TX_MMAP
typedef void* (*pcap_gettx_frame)(pcap_t *);
#endif
typedef int (*can_set_rfmon_op_t)(pcap_t *);
typedef int (*read_op_t)(pcap_t *, int cnt, pcap_handler, u_char *);
typedef int (*next_packet_op_t)(pcap_t *, struct pcap_pkthdr *, u_char **);
Expand Down Expand Up @@ -315,6 +322,9 @@ struct pcap {
setnonblock_op_t setnonblock_op;
stats_op_t stats_op;
breakloop_op_t breakloop_op;
#ifdef TX_MMAP
pcap_gettx_frame gettxframe;
#endif

/*
* Routine to use as callback for pcap_next()/pcap_next_ex().
Expand All @@ -340,6 +350,13 @@ struct pcap {
get_airpcap_handle_op_t get_airpcap_handle_op;
#endif
cleanup_op_t cleanup_op;
#ifdef TX_MMAP
void *tx_buffer;
void *tx_timebuffer;
int tx_writeoffset; /* offset for proper alignment */
int tx_readoffset; /* offset for proper alignment */
struct timespec timestamp;
#endif
};

/*
Expand Down
Loading