app/testpmd: configure flowgen packet size with --txpkts

"flowgen" forwarding mode has fixed packet size (300).
Let it re-use --txpkts option for specifying generated packet size.

Signed-off-by: Maciej Czekaj <maciej.czekaj@caviumnetworks.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
This commit is contained in:
Maciej Czekaj 2016-08-26 13:46:42 +02:00 committed by Thomas Monjalon
parent 2a977b891f
commit 2ebacaa7d1
5 changed files with 7 additions and 6 deletions

View File

@ -953,7 +953,7 @@ rxtx_config_display(void)
rx_mode.hw_strip_crc ? "enabled" : "disabled",
nb_pkt_per_burst);
if (cur_fwd_eng == &tx_only_engine)
if (cur_fwd_eng == &tx_only_engine || cur_fwd_eng == &flow_gen_engine)
printf(" packet len=%u - nb packet segments=%d\n",
(unsigned)tx_pkt_length, (int) tx_pkt_nb_segs);

View File

@ -73,7 +73,6 @@
/* hardcoded configuration (for now) */
static unsigned cfg_n_flows = 1024;
static unsigned cfg_pkt_size = 300;
static uint32_t cfg_ip_src = IPv4(10, 254, 0, 0);
static uint32_t cfg_ip_dst = IPv4(10, 253, 0, 0);
static uint16_t cfg_udp_src = 1000;
@ -117,7 +116,7 @@ ip_sum(const unaligned_uint16_t *hdr, int hdr_len)
static void
pkt_burst_flow_gen(struct fwd_stream *fs)
{
unsigned pkt_size = cfg_pkt_size - 4; /* Adjust FCS */
unsigned pkt_size = tx_pkt_length - 4; /* Adjust FCS */
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
struct rte_mempool *mbp;
struct rte_mbuf *pkt;

View File

@ -191,7 +191,8 @@ usage(char* progname)
"(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
printf(" --no-flush-rx: Don't flush RX streams before forwarding."
" Used mainly with PCAP drivers.\n");
printf(" --txpkts=X[,Y]*: set TX segment sizes.\n");
printf(" --txpkts=X[,Y]*: set TX segment sizes"
" or total packet length.\n");
printf(" --disable-link-check: disable check on link status when "
"starting/stopping ports.\n");
}

View File

@ -454,7 +454,8 @@ The commandline options are:
* ``--txpkts=X[,Y]``
Set TX segment sizes.
Set TX segment sizes or total packet length. Valid for ``tx-only``
and ``flowgen`` forwarding modes.
* ``--disable-link-check``

View File

@ -405,7 +405,7 @@ When retry is enabled, the transmit delay time and number of retries can also be
set txpkts
~~~~~~~~~~
Set the length of each segment of the TX-ONLY packets::
Set the length of each segment of the TX-ONLY packets or length of packet for FLOWGEN mode::
testpmd> set txpkts (x[,y]*)