[dpdk-dev] [PATCH] app/testpmd: configure flowgen packet size though --txpkts
maciej.czekaj at caviumnetworks.com
maciej.czekaj at caviumnetworks.com
Fri Aug 26 13:46:42 CEST 2016
From: Maciej Czekaj <maciej.czekaj at caviumnetworks.com>
"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 at caviumnetworks.com>
---
app/test-pmd/config.c | 2 +-
app/test-pmd/flowgen.c | 3 +--
app/test-pmd/parameters.c | 3 ++-
doc/guides/testpmd_app_ug/run_app.rst | 3 ++-
doc/guides/testpmd_app_ug/testpmd_funcs.rst | 2 +-
5 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index bfcbff9..db682bd 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -954,7 +954,7 @@ 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);
diff --git a/app/test-pmd/flowgen.c b/app/test-pmd/flowgen.c
index a6abe91..e6b1ea2 100644
--- a/app/test-pmd/flowgen.c
+++ b/app/test-pmd/flowgen.c
@@ -74,7 +74,6 @@
/* 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;
@@ -118,7 +117,7 @@ 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;
diff --git a/app/test-pmd/parameters.c b/app/test-pmd/parameters.c
index 8792c2c..c498b4b 100644
--- a/app/test-pmd/parameters.c
+++ b/app/test-pmd/parameters.c
@@ -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");
}
diff --git a/doc/guides/testpmd_app_ug/run_app.rst b/doc/guides/testpmd_app_ug/run_app.rst
index 7712bd2..34bf924 100644
--- a/doc/guides/testpmd_app_ug/run_app.rst
+++ b/doc/guides/testpmd_app_ug/run_app.rst
@@ -450,7 +450,8 @@ 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``
diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index f87e0c2..c1868e6 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -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]*)
--
2.7.4
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