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From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>
Date: Tue, 2 Apr 2019 13:39:05 -0700
Message-Id: <20190402203907.28679-2-stephen@networkplumber.org>
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<20190402203907.28679-1-stephen@networkplumber.org>
Subject: [dpdk-dev] [PATCH v4 1/3] app/testpmd: add ability to set Tx IP and
UDP parameters
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Message-ID: <20190402203905.ej3wyARhUk_L8zsxYsttv3Dn9lXMZR1X7Bs3g8i6vjg@z>
Use RFC 2544 standard values for Tx only test as default IP
address and port. But let the user override those values on command line.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
v4 - update documentation to be more precise
support new tx-multi-flow addresses
app/test-pmd/parameters.c | 49 +++++++++++++++++++++++++++
app/test-pmd/testpmd.h | 6 ++++
app/test-pmd/txonly.c | 22 +++++++-----
doc/guides/testpmd_app_ug/run_app.rst | 12 ++++++-
4 files changed, 79 insertions(+), 10 deletions(-)
diff --git a/app/test-pmd/parameters.c b/app/test-pmd/parameters.c
index 7b6b60905dce..8b523a5c66ed 100644
--- a/app/test-pmd/parameters.c
+++ b/app/test-pmd/parameters.c
@@ -19,6 +19,7 @@
#include <stdint.h>
#include <unistd.h>
#include <inttypes.h>
+#include <arpa/inet.h>
#include <rte_common.h>
#include <rte_byteorder.h>
@@ -65,6 +66,7 @@ usage(char* progname)
#ifdef RTE_LIBRTE_CMDLINE
"--eth-peers-configfile= | "
"--eth-peer=X,M:M:M:M:M:M | "
+ "--tx-ip=SRC,DST | --tx-udp=PORT | "
#endif
"--pkt-filter-mode= |"
"--rss-ip | --rss-udp | "
@@ -645,6 +647,8 @@ launch_args_parse(int argc, char** argv)
{ "mlockall", 0, 0, 0 },
{ "no-mlockall", 0, 0, 0 },
{ "mp-alloc", 1, 0, 0 },
+ { "tx-ip", 1, 0, 0 },
+ { "tx-udp", 1, 0, 0 },
{ "noisy-tx-sw-buffer-size", 1, 0, 0 },
{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
{ "noisy-lkup-memory", 1, 0, 0 },
@@ -743,6 +747,51 @@ launch_args_parse(int argc, char** argv)
nb_peer_eth_addrs++;
}
#endif
+ if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
+ struct in_addr in;
+ char *end;
+
+ end = strchr(optarg, ',');
+ if (end == optarg || !end)
+ rte_exit(EXIT_FAILURE,
+ "Invalid tx-ip: %s", optarg);
+
+ *end++ = 0;
+ if (inet_aton(optarg, &in) == 0)
+ rte_exit(EXIT_FAILURE,
+ "Invalid source IP address: %s\n", optarg);
+ tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
+
+ if (inet_aton(end, &in) == 0)
+ rte_exit(EXIT_FAILURE,
+ "Invalid destination IP address: %s\n", optarg);
+ tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
+ }
+ if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
+ char *end = NULL;
+
+ errno = 0;
+ n = strtoul(optarg, &end, 10);
+ if (errno != 0 || end == optarg || n > UINT16_MAX ||
+ !(*end == '\0' || *end == ','))
+ rte_exit(EXIT_FAILURE,
+ "Invalid UDP port: %s\n", optarg);
+ tx_udp_src_port = n;
+ if (*end == ',') {
+ char *dst = end + 1;
+
+ n = strtoul(dst, &end, 10);
+ if (errno != 0 || end == dst ||
+ n > UINT16_MAX || *end)
+ rte_exit(EXIT_FAILURE,
+ "Invalid destination UDP port: %s\n",
+ dst);
+ tx_udp_dst_port = n;
+ } else {
+ tx_udp_dst_port = n;
+ }
+
+ }
if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
n = atoi(optarg);
if (n > 0 && n <= nb_ports)
diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h
index a45988ebc524..18d2c1ef1eaf 100644
--- a/app/test-pmd/testpmd.h
+++ b/app/test-pmd/testpmd.h
@@ -443,6 +443,12 @@ extern int8_t tx_pthresh;
extern int8_t tx_hthresh;
extern int8_t tx_wthresh;
+extern uint16_t tx_udp_src_port;
+extern uint16_t tx_udp_dst_port;
+
+extern uint32_t tx_ip_src_addr;
+extern uint32_t tx_ip_dst_addr;
+
extern struct fwd_config cur_fwd_config;
extern struct fwd_engine *cur_fwd_eng;
extern uint32_t retry_enabled;
diff --git a/app/test-pmd/txonly.c b/app/test-pmd/txonly.c
index def52a0487ea..ed5e715ea648 100644
--- a/app/test-pmd/txonly.c
+++ b/app/test-pmd/txonly.c
@@ -40,11 +40,13 @@
#include "testpmd.h"
-#define UDP_SRC_PORT 1024
-#define UDP_DST_PORT 1024
+/* use RFC863 Discard Protocol */
+uint16_t tx_udp_src_port = 9;
+uint16_t tx_udp_dst_port = 9;
-#define IP_SRC_ADDR ((192U << 24) | (168 << 16) | (0 << 8) | 1)
-#define IP_DST_ADDR ((192U << 24) | (168 << 16) | (0 << 8) | 2)
+/* use RFC5735 / RFC2544 reserved network test addresses */
+uint32_t tx_ip_src_addr = (192U << 24) | (18 << 16) | (0 << 8) | 1;
+uint32_t tx_ip_dst_addr = (192U << 24) | (18 << 16) | (0 << 8) | 2;
#define IP_DEFTTL 64 /* from RFC 1340. */
#define IP_VERSION 0x40
@@ -105,8 +107,8 @@ setup_pkt_udp_ip_headers(struct ipv4_hdr *ip_hdr,
* Initialize UDP header.
*/
pkt_len = (uint16_t) (pkt_data_len + sizeof(struct udp_hdr));
- udp_hdr->src_port = rte_cpu_to_be_16(UDP_SRC_PORT);
- udp_hdr->dst_port = rte_cpu_to_be_16(UDP_DST_PORT);
+ udp_hdr->src_port = rte_cpu_to_be_16(tx_udp_src_port);
+ udp_hdr->dst_port = rte_cpu_to_be_16(tx_udp_dst_port);
udp_hdr->dgram_len = RTE_CPU_TO_BE_16(pkt_len);
udp_hdr->dgram_cksum = 0; /* No UDP checksum. */
@@ -121,8 +123,8 @@ setup_pkt_udp_ip_headers(struct ipv4_hdr *ip_hdr,
ip_hdr->next_proto_id = IPPROTO_UDP;
ip_hdr->packet_id = 0;
ip_hdr->total_length = RTE_CPU_TO_BE_16(pkt_len);
- ip_hdr->src_addr = rte_cpu_to_be_32(IP_SRC_ADDR);
- ip_hdr->dst_addr = rte_cpu_to_be_32(IP_DST_ADDR);
+ ip_hdr->src_addr = rte_cpu_to_be_32(tx_ip_src_addr);
+ ip_hdr->dst_addr = rte_cpu_to_be_32(tx_ip_dst_addr);
/*
* Compute IP header checksum.
@@ -253,7 +255,9 @@ pkt_burst_transmit(struct fwd_stream *fs)
* packet generator for developer's quick performance
* regression test.
*/
- addr = (IP_DST_ADDR | (ip_var++ << 8)) + rte_lcore_id();
+ addr = (tx_ip_dst_addr | (ip_var++ << 8))
+ + rte_lcore_id();
+
ip_hdr->src_addr = rte_cpu_to_be_32(addr);
}
copy_buf_to_pkt(&pkt_udp_hdr, sizeof(pkt_udp_hdr), pkt,
diff --git a/doc/guides/testpmd_app_ug/run_app.rst b/doc/guides/testpmd_app_ug/run_app.rst
index b717b8c7b742..a72f94923210 100644
--- a/doc/guides/testpmd_app_ug/run_app.rst
+++ b/doc/guides/testpmd_app_ug/run_app.rst
@@ -121,12 +121,22 @@ The commandline options are:
XX:XX:XX:XX:XX:02
...
-
* ``--eth-peer=N,XX:XX:XX:XX:XX:XX``
Set the MAC address ``XX:XX:XX:XX:XX:XX`` of the peer port N,
where 0 <= N < ``CONFIG_RTE_MAX_ETHPORTS`` from the configuration file.
+* ``--tx-ip=SRC,DST``
+ Set the source and destination IP address used when doing transmit only test.
+ The defaults address values are source 192.18.0.1 and
+ destination 192.18.0.2. These are special purpose addresses
+ reserved for benchmakring (RFC 2544).
+
+* ``--tx-udp=SRC[,DST]``
+ Set the source and destination UDP port number for transmit test only test.
+ The default port is the port 9 which is defined for the discard protocol
+ (RFC 863).
+
* ``--pkt-filter-mode=mode``
Set Flow Director mode where mode is either ``none`` (the default), ``signature`` or ``perfect``.
--
2.17.1