diff options
Diffstat (limited to 'src/vnet/pg')
| -rw-r--r-- | src/vnet/pg/cli.c | 11 | ||||
| -rw-r--r-- | src/vnet/pg/input.c | 4 | ||||
| -rw-r--r-- | src/vnet/pg/pg.h | 3 |
3 files changed, 13 insertions, 5 deletions
diff --git a/src/vnet/pg/cli.c b/src/vnet/pg/cli.c index d7e9ca04743..c43ff903e75 100644 --- a/src/vnet/pg/cli.c +++ b/src/vnet/pg/cli.c @@ -336,7 +336,7 @@ new_stream (vlib_main_t * vm, { clib_error_t *error = 0; u8 *tmp = 0; - u32 hw_if_index; + u32 maxframe, hw_if_index; unformat_input_t sub_input = { 0 }; int sub_input_given = 0; vnet_main_t *vnm = vnet_get_main (); @@ -349,7 +349,9 @@ new_stream (vlib_main_t * vm, s.max_packet_bytes = s.min_packet_bytes = 64; s.buffer_bytes = vlib_buffer_get_default_data_size (vm); s.if_id = 0; + s.n_max_frame = VLIB_FRAME_SIZE; pcap_file_name = 0; + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "name %v", &tmp)) @@ -374,7 +376,8 @@ new_stream (vlib_main_t * vm, else if (unformat (input, "node %U", unformat_vlib_node, vm, &s.node_index)) ; - + else if (unformat (input, "maxframe %u", &maxframe)) + s.n_max_frame = s.n_max_frame < maxframe ? s.n_max_frame : maxframe; else if (unformat (input, "worker %u", &s.worker_index)) ; @@ -485,7 +488,9 @@ VLIB_CLI_COMMAND (new_stream_cli, static) = { "interface STRING interface for stream output \n" "node NODE-NAME node for stream output\n" "data STRING specifies packet data\n" - "pcap FILENAME read packet data from pcap file\n", + "pcap FILENAME read packet data from pcap file\n" + "rate PPS rate to transfer packet data\n" + "maxframe NPKTS maximum number of packets per frame\n", }; /* *INDENT-ON* */ diff --git a/src/vnet/pg/input.c b/src/vnet/pg/input.c index 39aea7c3c5a..c47dfe270e7 100644 --- a/src/vnet/pg/input.c +++ b/src/vnet/pg/input.c @@ -1762,8 +1762,8 @@ pg_input_stream (vlib_node_runtime_t * node, pg_main_t * pg, pg_stream_t * s) n_packets = s->n_packets_limit - s->n_packets_generated; /* Generate up to one frame's worth of packets. */ - if (n_packets > VLIB_FRAME_SIZE) - n_packets = VLIB_FRAME_SIZE; + if (n_packets > s->n_max_frame) + n_packets = s->n_max_frame; if (n_packets > 0) n_packets = pg_generate_packets (node, pg, s, n_packets); diff --git a/src/vnet/pg/pg.h b/src/vnet/pg/pg.h index aef7a5bbf71..c73634f3125 100644 --- a/src/vnet/pg/pg.h +++ b/src/vnet/pg/pg.h @@ -155,6 +155,9 @@ typedef struct pg_stream_t Zero means no packet limit. */ u64 n_packets_limit; + /* Only generate up to n_max_frame per frame. */ + u32 n_max_frame; + /* Rate for this stream in packets/second. Zero means unlimited rate. */ f64 rate_packets_per_second; |