diff options
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/bpf/xdpsock_user.c | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c index c9a8748a460f..e6e9a20375cb 100644 --- a/samples/bpf/xdpsock_user.c +++ b/samples/bpf/xdpsock_user.c @@ -114,6 +114,7 @@ static u32 opt_num_xsks = 1; static u32 prog_id; static bool opt_busy_poll; static bool opt_reduced_cap; +static clockid_t opt_clock = CLOCK_MONOTONIC; struct vlan_ethhdr { unsigned char h_dest[6]; @@ -178,15 +179,40 @@ struct xsk_socket_info { u32 outstanding_tx; }; +static const struct clockid_map { + const char *name; + clockid_t clockid; +} clockids_map[] = { + { "REALTIME", CLOCK_REALTIME }, + { "TAI", CLOCK_TAI }, + { "BOOTTIME", CLOCK_BOOTTIME }, + { "MONOTONIC", CLOCK_MONOTONIC }, + { NULL } +}; + static int num_socks; struct xsk_socket_info *xsks[MAX_SOCKS]; int sock; +static int get_clockid(clockid_t *id, const char *name) +{ + const struct clockid_map *clk; + + for (clk = clockids_map; clk->name; clk++) { + if (strcasecmp(clk->name, name) == 0) { + *id = clk->clockid; + return 0; + } + } + + return -1; +} + static unsigned long get_nsecs(void) { struct timespec ts; - clock_gettime(CLOCK_MONOTONIC, &ts); + clock_gettime(opt_clock, &ts); return ts.tv_sec * 1000000000UL + ts.tv_nsec; } @@ -965,6 +991,7 @@ static struct option long_options[] = { {"shared-umem", no_argument, 0, 'M'}, {"force", no_argument, 0, 'F'}, {"duration", required_argument, 0, 'd'}, + {"clock", required_argument, 0, 'w'}, {"batch-size", required_argument, 0, 'b'}, {"tx-pkt-count", required_argument, 0, 'C'}, {"tx-pkt-size", required_argument, 0, 's'}, @@ -1006,6 +1033,7 @@ static void usage(const char *prog) " -F, --force Force loading the XDP prog\n" " -d, --duration=n Duration in secs to run command.\n" " Default: forever.\n" + " -w, --clock=CLOCK Clock NAME (default MONOTONIC).\n" " -b, --batch-size=n Batch size for sending or receiving\n" " packets. Default: %d\n" " -C, --tx-pkt-count=n Number of packets to send.\n" @@ -1041,7 +1069,7 @@ static void parse_command_line(int argc, char **argv) opterr = 0; for (;;) { - c = getopt_long(argc, argv, "Frtli:q:pSNn:czf:muMd:b:C:s:P:VJ:K:G:H:xQaI:BR", + c = getopt_long(argc, argv, "Frtli:q:pSNn:w:czf:muMd:b:C:s:P:VJ:K:G:H:xQaI:BR", long_options, &option_index); if (c == -1) break; @@ -1075,6 +1103,14 @@ static void parse_command_line(int argc, char **argv) case 'n': opt_interval = atoi(optarg); break; + case 'w': + if (get_clockid(&opt_clock, optarg)) { + fprintf(stderr, + "ERROR: Invalid clock %s. Default to CLOCK_MONOTONIC.\n", + optarg); + opt_clock = CLOCK_MONOTONIC; + } + break; case 'z': opt_xdp_bind_flags |= XDP_ZEROCOPY; break; |