app/testpmd: rework softnic forward mode

Modied the testpmd softnic forwarding mode as per the
changes in softnic PMD.

To run testpmd application with softnic fwd mode, following
command is used;

$ ./testpmd -c 0xc -n 4 --vdev 'net_softnic0,firmware=script.cli'
  -- -i --forward-mode=softnic

Signed-off-by: Jasvinder Singh <jasvinder.singh@intel.com>
Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>

app/test-pmd/Makefile

@@ -35,8 +35,8 @@ SRCS-y += icmpecho.c
 SRCS-$(CONFIG_RTE_LIBRTE_IEEE1588) += ieee1588fwd.c
 SRCS-$(CONFIG_RTE_LIBRTE_BPF) += bpf_cmd.c
 
-ifeq ($(CONFIG_RTE_LIBRTE_PMD_SOFTNIC)$(CONFIG_RTE_LIBRTE_SCHED),yy)
-SRCS-y += tm.c
+ifeq ($(CONFIG_RTE_LIBRTE_PMD_SOFTNIC), y)
+SRCS-y += softnicfwd.c
 endif
 
 ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)

app/test-pmd/cmdline.c

@@ -69,6 +69,9 @@
 #ifdef RTE_LIBRTE_I40E_PMD
 #include <rte_pmd_i40e.h>
 #endif
+#ifdef RTE_LIBRTE_PMD_SOFTNIC
+#include <rte_eth_softnic.h>
+#endif
 #ifdef RTE_LIBRTE_BNXT_PMD
 #include <rte_pmd_bnxt.h>
 #endif
@@ -14817,20 +14820,14 @@ static void cmd_set_port_tm_hierarchy_default_parsed(void *parsed_result,
 
 	p = &ports[port_id];
 
-	/* Port tm flag */
-	if (p->softport.tm_flag == 0) {
-		printf("  tm not enabled on port %u (error)\n", port_id);
-		return;
-	}
-
 	/* Forward mode: tm */
-	if (strcmp(cur_fwd_config.fwd_eng->fwd_mode_name, "tm")) {
-		printf("  tm mode not enabled(error)\n");
+	if (strcmp(cur_fwd_config.fwd_eng->fwd_mode_name, "softnic")) {
+		printf("  softnicfwd mode not enabled(error)\n");
 		return;
 	}
 
 	/* Set the default tm hierarchy */
-	p->softport.tm.default_hierarchy_enable = 1;
+	p->softport.default_tm_hierarchy_enable = 1;
 }
 
 cmdline_parse_inst_t cmd_set_port_tm_hierarchy_default = {
@@ -17554,15 +17551,50 @@ cmdline_read_from_file(const char *filename)
 void
 prompt(void)
 {
+	int status;
+
 	/* initialize non-constant commands */
 	cmd_set_fwd_mode_init();
 	cmd_set_fwd_retry_mode_init();
 
+#if defined RTE_LIBRTE_PMD_SOFTNIC
+	portid_t softnic_portid, pid;
+	uint8_t softnic_enable = 0;
+
+	if (strcmp(cur_fwd_eng->fwd_mode_name, "softnic") == 0) {
+		RTE_ETH_FOREACH_DEV(pid) {
+			struct rte_port *port = &ports[pid];
+			const char *driver = port->dev_info.driver_name;
+
+			if (strcmp(driver, "net_softnic") == 0) {
+				softnic_portid = pid;
+				softnic_enable = 1;
+				break;
+			}
+		}
+	}
+#endif
+
 	testpmd_cl = cmdline_stdin_new(main_ctx, "testpmd> ");
 	if (testpmd_cl == NULL)
 		return;
-	cmdline_interact(testpmd_cl);
-	cmdline_stdin_exit(testpmd_cl);
+
+	for (;;) {
+		status = cmdline_poll(testpmd_cl);
+		if (status < 0)
+			rte_panic("CLI poll error (%" PRId32 ")\n", status);
+		else if (status == RDLINE_EXITED) {
+			cmdline_stdin_exit(testpmd_cl);
+			rte_exit(0, "\n");
+		}
+
+#if defined RTE_LIBRTE_PMD_SOFTNIC
+
+	if ((softnic_enable == 1) &&
+		(strcmp(cur_fwd_eng->fwd_mode_name, "softnic") == 0))
+		rte_pmd_softnic_manage(softnic_portid);
+#endif
+	}
 }
 
 void

app/test-pmd/config.c

@@ -2332,6 +2332,55 @@ icmp_echo_config_setup(void)
 	}
 }
 
+#if defined RTE_LIBRTE_PMD_SOFTNIC
+static void
+softnic_fwd_config_setup(void)
+{
+	struct rte_port *port;
+	portid_t pid, softnic_portid;
+	queueid_t i;
+	uint8_t softnic_enable = 0;
+
+	RTE_ETH_FOREACH_DEV(pid) {
+			port = &ports[pid];
+			const char *driver = port->dev_info.driver_name;
+
+			if (strcmp(driver, "net_softnic") == 0) {
+				softnic_portid = pid;
+				softnic_enable = 1;
+				break;
+			}
+	}
+
+	if (softnic_enable == 0) {
+		printf("Softnic mode not configured(%s)!\n", __func__);
+		return;
+	}
+
+	cur_fwd_config.nb_fwd_ports = 1;
+	cur_fwd_config.nb_fwd_streams = (streamid_t) nb_rxq;
+
+	/* Re-initialize forwarding streams */
+	init_fwd_streams();
+
+	/*
+	 * In the softnic forwarding test, the number of forwarding cores
+	 * is set to one and remaining are used for softnic packet processing.
+	 */
+	cur_fwd_config.nb_fwd_lcores = 1;
+	setup_fwd_config_of_each_lcore(&cur_fwd_config);
+
+	for (i = 0; i < cur_fwd_config.nb_fwd_streams; i++) {
+		fwd_streams[i]->rx_port   = softnic_portid;
+		fwd_streams[i]->rx_queue  = i;
+		fwd_streams[i]->tx_port   = softnic_portid;
+		fwd_streams[i]->tx_queue  = i;
+		fwd_streams[i]->peer_addr = fwd_streams[i]->tx_port;
+		fwd_streams[i]->retry_enabled = retry_enabled;
+	}
+}
+#endif
+
 void
 fwd_config_setup(void)
 {
@@ -2340,6 +2389,14 @@ fwd_config_setup(void)
 		icmp_echo_config_setup();
 		return;
 	}
+
+#if defined RTE_LIBRTE_PMD_SOFTNIC
+	if (strcmp(cur_fwd_eng->fwd_mode_name, "softnic") == 0) {
+		softnic_fwd_config_setup();
+		return;
+	}
+#endif
+
 	if ((nb_rxq > 1) && (nb_txq > 1)){
 		if (dcb_config)
 			dcb_fwd_config_setup();

app/test-pmd/meson.build

@@ -35,7 +35,7 @@ if dpdk_conf.has('RTE_LIBRTE_IXGBE_PMD')
 	deps += 'pmd_ixgbe'
 endif
 if dpdk_conf.has('RTE_LIBRTE_SOFTNIC_PMD')
-	sources += files('tm.c')
+	sources += files('softnicfwd.c')
 	deps += 'pmd_softnic'
 endif
 if dpdk_conf.has('RTE_LIBRTE_DPAA_PMD')