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-rw-r--r--src/vnet/pg/cli.c11
-rw-r--r--src/vnet/pg/input.c4
-rw-r--r--src/vnet/pg/pg.h3
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;