app/testpmd: add --flow-isolate-all option

Providing this parameter requests flow API isolated mode on all ports at
initialization time. It ensures all traffic is received through the
configured flow rules only (see flow command).

Ports that do not support this mode are automatically discarded.

Signed-off-by: Vasily Philipov <vasilyf@mellanox.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>

app/test-pmd/parameters.c

@@ -215,6 +215,8 @@ usage(char* progname)
 	       "enable print of designated event or all of them.");
 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|all>: "
 	       "disable print of designated event or all of them.");
+	printf("  --flow-isolate-all: "
+	       "requests flow API isolated mode on all ports at initialization time.");
 }
 
 #ifdef RTE_LIBRTE_CMDLINE
@@ -630,6 +632,7 @@ launch_args_parse(int argc, char** argv)
 		{ "tx-queue-stats-mapping",	1, 0, 0 },
 		{ "rx-queue-stats-mapping",	1, 0, 0 },
 		{ "no-flush-rx",	0, 0, 0 },
+		{ "flow-isolate-all",	        0, 0, 0 },
 		{ "txpkts",			1, 0, 0 },
 		{ "disable-link-check",		0, 0, 0 },
 		{ "no-lsc-interrupt",		0, 0, 0 },
@@ -1105,6 +1108,8 @@ launch_args_parse(int argc, char** argv)
 				lsc_interrupt = 0;
 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
 				rmv_interrupt = 0;
+			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
+				flow_isolate_all = 1;
 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
 				if (parse_event_printing_config(optarg, 1)) {
 					rte_exit(EXIT_FAILURE,

app/test-pmd/testpmd.c

@@ -271,6 +271,11 @@ uint16_t port_topology = PORT_TOPOLOGY_PAIRED; /* Ports are paired by default */
  */
 uint8_t no_flush_rx = 0; /* flush by default */
 
+/*
+ * Flow API isolated mode.
+ */
+uint8_t flow_isolate_all;
+
 /*
  * Avoids to check link status when starting/stopping a port.
  */
@@ -1429,6 +1434,15 @@ start_port(portid_t pid)
 		if (port->need_reconfig > 0) {
 			port->need_reconfig = 0;
 
+			if (flow_isolate_all) {
+				int ret = port_flow_isolate(pi, 1);
+				if (ret) {
+					printf("Failed to apply isolated"
+					       " mode on port %d\n", pi);
+					return -1;
+				}
+			}
+
 			printf("Configuring Port %d (socket %u)\n", pi,
 					port->socket_id);
 			/* configure port */

app/test-pmd/testpmd.h

@@ -307,6 +307,7 @@ extern char cmdline_filename[PATH_MAX]; /**< offline commands file */
 extern uint8_t  numa_support; /**< set by "--numa" parameter */
 extern uint16_t port_topology; /**< set by "--port-topology" parameter */
 extern uint8_t no_flush_rx; /**<set by "--no-flush-rx" parameter */
+extern uint8_t flow_isolate_all; /**< set by "--flow-isolate-all */
 extern uint8_t  mp_anon; /**< set by "--mp-anon" parameter */
 extern uint8_t no_link_check; /**<set by "--disable-link-check" parameter */
 extern volatile int test_done; /* stop packet forwarding when set to 1. */

doc/guides/testpmd_app_ug/run_app.rst

@@ -500,3 +500,11 @@ The commandline options are:
 
     Disable printing the occurrence of the designated event. Using all will
     disable all of them.
+
+*   ``--flow-isolate-all``
+
+    Providing this parameter requests flow API isolated mode on all ports at
+    initialization time. It ensures all traffic is received through the
+    configured flow rules only (see flow command).
+
+    Ports that do not support this mode are automatically discarded.