Re: [dpdk-dev] [EXT] [PATCH 33/39] eventdev: add Tx adapter support

[Sunil Kumar Kori <skori@marvell.com>]

Regards
Sunil Kumar Kori

>-----Original Message-----
>From: dev <dev-bounces@dpdk.org> On Behalf Of Anoob Joseph
>Sent: Monday, June 3, 2019 11:03 PM
>To: Jerin Jacob Kollanukkaran <jerinj@marvell.com>; Nikhil Rao
><nikhil.rao@intel.com>; Erik Gabriel Carrillo <erik.g.carrillo@intel.com>;
>Abhinandan Gujjar <abhinandan.gujjar@intel.com>; Bruce Richardson
><bruce.richardson@intel.com>; Pablo de Lara
><pablo.de.lara.guarch@intel.com>
>Cc: Anoob Joseph <anoobj@marvell.com>; Narayana Prasad Raju Athreya
><pathreya@marvell.com>; dev@dpdk.org; Lukas Bartosik
><lbartosik@marvell.com>; Pavan Nikhilesh Bhagavatula
><pbhagavatula@marvell.com>; Hemant Agrawal
><hemant.agrawal@nxp.com>; Nipun Gupta <nipun.gupta@nxp.com>; Harry
>van Haaren <harry.van.haaren@intel.com>; Mattias Rönnblom
><mattias.ronnblom@ericsson.com>; Liang Ma <liang.j.ma@intel.com>
>Subject: [EXT] [dpdk-dev] [PATCH 33/39] eventdev: add Tx adapter support
>
>External Email
>
>----------------------------------------------------------------------
>Adding support for Tx adapter.
>
>Signed-off-by: Anoob Joseph <anoobj@marvell.com>
>Signed-off-by: Lukasz Bartosik <lbartosik@marvell.com>
>---
> lib/librte_eventdev/rte_eventmode_helper.c         | 349
>++++++++++++++++++++-
> lib/librte_eventdev/rte_eventmode_helper.h         |  24 ++
> .../rte_eventmode_helper_internal.h                |  30 ++
> lib/librte_eventdev/rte_eventmode_helper_prints.c  |   9 +
> 4 files changed, 399 insertions(+), 13 deletions(-)
>
>diff --git a/lib/librte_eventdev/rte_eventmode_helper.c
>b/lib/librte_eventdev/rte_eventmode_helper.c
>index 77a5a4e..f237cab 100644
>--- a/lib/librte_eventdev/rte_eventmode_helper.c
>+++ b/lib/librte_eventdev/rte_eventmode_helper.c
>@@ -8,6 +8,7 @@
> #include <rte_eventdev.h>
> #include <rte_eventmode_helper.h>
> #include <rte_event_eth_rx_adapter.h>
>+#include <rte_event_eth_tx_adapter.h>
> #include <rte_malloc.h>
>
> #include "rte_eventmode_helper_internal.h"
>@@ -50,25 +51,51 @@ internal_parse_decimal(const char *str)
> 	return num;
> }
>
>+static int
>+internal_get_enabled_cores(unsigned int core_mask) {
>+	int i;
>+	int count = 0;
>+
>+	RTE_LCORE_FOREACH(i) {
>+		/* Check if this core is enabled in core_mask*/
>+		if (core_mask & (1 << i)) {
>+			/* We have enabled core */
>+			count++;
>+		}
>+	}
>+	return count;
>+}
>+
> static inline unsigned int
>-internal_get_next_rx_core(struct eventmode_conf *em_conf,
>-		unsigned int prev_core)
>+internal_get_next_eth_core(struct eventmode_conf *em_conf)
> {
> 	unsigned int next_core;
>+	static unsigned int prev_core = -1;
>+
>+	/*
>+	 * Make sure we have atleast one eth core running, else the following
>+	 * logic would lead to an infinite loop.
>+	 */
>+	if (internal_get_enabled_cores(em_conf->eth_core_mask) == 0) {
>+		RTE_EM_HLPR_LOG_INFO("No enabled eth core found");
>+		return RTE_MAX_LCORE;
>+	}
>
> get_next_core:
> 	/* Get the next core */
>-	next_core = rte_get_next_lcore(prev_core, 0, 0);
>+	next_core = rte_get_next_lcore(prev_core, 0, 1);
>
> 	/* Check if we have reached max lcores */
> 	if (next_core == RTE_MAX_LCORE)
> 		return next_core;
>
>+	/* Update prev_core */
>+	prev_core = next_core;
>+
> 	/* Only some cores would be marked as rx cores. Skip others */
>-	if (!(em_conf->eth_core_mask & (1 << next_core))) {
>-		prev_core = next_core;
>+	if (!(em_conf->eth_core_mask & (1 << next_core)))
> 		goto get_next_core;
>-	}
>
> 	return next_core;
> }
>@@ -164,7 +191,7 @@ static void
> em_initialize_helper_conf(struct rte_eventmode_helper_conf *conf)  {
> 	struct eventmode_conf *em_conf = NULL;
>-	unsigned int rx_core_id;
>+	unsigned int eth_core_id;
>
> 	/* Set default conf */
>
>@@ -180,12 +207,21 @@ em_initialize_helper_conf(struct
>rte_eventmode_helper_conf *conf)
> 	/* Schedule type: ordered */
> 	/* FIXME */
> 	em_conf->ext_params.sched_type = RTE_SCHED_TYPE_ORDERED;
>-	/* Set rx core. Use first core other than master core as Rx core */
>-	rx_core_id = rte_get_next_lcore(0, /* curr core */
>-					1, /* skip master core */
>-					0  /* wrap */);
>+	/* Set two cores as eth cores for Rx & Tx */
>+
>+	/* Use first core other than master core as Rx core */
>+	eth_core_id = rte_get_next_lcore(0,	/* curr core */
>+					 1,	/* skip master core */
>+					 0	/* wrap */);
>
>-	em_conf->eth_core_mask = (1 << rx_core_id);
>+	em_conf->eth_core_mask = (1 << eth_core_id);
>+
>+	/* Use next core as Tx core */
>+	eth_core_id = rte_get_next_lcore(eth_core_id,	/* curr core */
>+					 1,		/* skip master core */
>+					 0		/* wrap */);
>+
>+	em_conf->eth_core_mask |= (1 << eth_core_id);
> }
>
> struct rte_eventmode_helper_conf * __rte_experimental @@ -354,7 +390,7
>@@ rte_eventmode_helper_set_default_conf_rx_adapter(struct
>eventmode_conf *em_conf)
> 	/* Set adapter conf */
> 	adapter->eventdev_id = eventdev_id;
> 	adapter->adapter_id = adapter_id;
>-	adapter->rx_core_id = internal_get_next_rx_core(em_conf, -1);
>+	adapter->rx_core_id = internal_get_next_eth_core(em_conf);
>
> 	/*
> 	 * All queues of one eth device (port) will be mapped to one event
>@@ -403,6 +439,100 @@
>rte_eventmode_helper_set_default_conf_rx_adapter(struct eventmode_conf
>*em_conf)  }
>
> static int
>+rte_eventmode_helper_set_default_conf_tx_adapter(struct
>eventmode_conf
>+*em_conf) {
>+	int nb_eth_dev;
>+	int eventdev_id;
>+	int adapter_id;
>+	int i;
>+	int conn_id;
>+	struct eventdev_params *eventdev_config;
>+	struct tx_adapter_conf *tx_adapter;
>+	struct tx_adapter_connection_info *conn;
>+
>+	/*
>+	 * Create one Tx adapter with all eth queues mapped to event queues
>+	 * 1:1.
>+	 */
>+
>+	if (em_conf->nb_eventdev == 0) {
>+		RTE_EM_HLPR_LOG_ERR("No event devs registered");
>+		return -1;
>+	}
>+
>+	/* Get the number of eth devs */
>+	nb_eth_dev = rte_eth_dev_count_avail();
Why it is used ? Instead em_conf->eth_portmask cannot be used to get number of devices within the application ? 
Also if em_conf->eth_portmask can be used then rte_eth_dev_count_avail can be removed at
multiple places in file.

>+
>+	/* Use the first event dev */
>+	eventdev_config = &(em_conf->eventdev_config[0]);
>+
>+	/* Get eventdev ID */
>+	eventdev_id = eventdev_config->eventdev_id;
>+	adapter_id = 0;
>+
>+	/* Get adapter conf */
>+	tx_adapter = &(em_conf->tx_adapter[adapter_id]);
>+
>+	/* Set adapter conf */
>+	tx_adapter->eventdev_id = eventdev_id;
>+	tx_adapter->adapter_id = adapter_id;
>+
>+	/* TODO: Tx core is required only when internal port is not present */
>+
>+	tx_adapter->tx_core_id = internal_get_next_eth_core(em_conf);
>+
>+	/*
>+	 * Application would need to use one event queue per adapter for
>+	 * submitting packets for Tx. Reserving the last queue available
>+	 * and decrementing the total available event queues for this
>+	 */
>+
>+	/* Queue numbers start at 0 */
>+	tx_adapter->tx_ev_queue = eventdev_config->nb_eventqueue - 1;
>+
>+	/* Update the number of event queues available in eventdev */
>+	eventdev_config->nb_eventqueue--;
>+
>+	/*
>+	 * All Tx queues of the eth device (port) will be mapped to the event
>+	 * device.
>+	 */
>+
>+	/* Set defaults for connections */
>+
>+	/*
>+	 * One eth device (port) would be one connection. All Tx queues of
>+	 * the device would be mapped to the Tx adapter.
>+	 */
>+
>+	for (i = 0; i < nb_eth_dev; i++) {
>+
>+		/* Use only the ports enabled */
>+		if ((em_conf->eth_portmask & (1 << i)) == 0)
>+			continue;
>+
>+		/* Get the connection id */
>+		conn_id = tx_adapter->nb_connections;
>+
>+		/* Get the connection */
>+		conn = &(tx_adapter->conn[conn_id]);
>+
>+		/* Add ethdev to connections */
>+		conn->ethdev_id = i;
>+
>+		/* Add all eth tx queues to adapter */
>+		conn->ethdev_tx_qid = -1;
>+
>+		/* Update no of connections */
>+		tx_adapter->nb_connections++;
>+	}
>+
>+	/* We have setup one adapter */
>+	em_conf->nb_tx_adapter = 1;
>+	return 0;
>+}
>+
>+static int
> rte_eventmode_helper_set_default_conf_link(struct eventmode_conf
>*em_conf)  {
> 	int i, j;
>@@ -501,6 +631,16 @@ rte_eventmode_helper_validate_conf(struct
>eventmode_conf *em_conf)
> 	}
>
> 	/*
>+	 * See if tx adapters are specified. Else generate a default conf
>+	 * with one tx adapter.
>+	 */
>+	if (em_conf->nb_tx_adapter == 0) {
>+		ret =
>rte_eventmode_helper_set_default_conf_tx_adapter(em_conf);
>+		if (ret != 0)
>+			return ret;
>+	}
>+
>+	/*
> 	 * See if links are specified. Else generate a default conf for
> 	 * the event ports used.
> 	 */
>@@ -799,6 +939,150 @@ rte_eventmode_helper_initialize_rx_adapter(struct
>eventmode_conf *em_conf)
> 	return 0;
> }
>
>+static int
>+tx_adapter_configure(struct eventmode_conf *em_conf,
>+	struct tx_adapter_conf *adapter)
>+{
>+	int ret, j;
>+	uint8_t tx_port_id = 0;
>+	uint8_t eventdev_id;
>+	uint32_t service_id;
>+	struct rte_event_port_conf port_conf = {0};
>+	struct rte_event_dev_info evdev_default_conf = {0};
>+	struct tx_adapter_connection_info *conn;
>+	struct eventdev_params *eventdev_config;
>+
>+	/* Get event dev ID */
>+	eventdev_id = adapter->eventdev_id;
>+
>+	/* Get event device conf */
>+	eventdev_config = internal_get_eventdev_params(em_conf,
>eventdev_id);
>+
>+	/* Create Tx adapter */
>+
>+	/* Get default configuration of event dev */
>+	ret = rte_event_dev_info_get(eventdev_id, &evdev_default_conf);
>+	if (ret < 0) {
>+		RTE_EM_HLPR_LOG_ERR(
>+			"Error in getting event device info[devID:%d]",
>+			eventdev_id);
>+		return ret;
>+	}
>+
>+	/* Setup port conf */
>+	port_conf.new_event_threshold =
>+			evdev_default_conf.max_num_events;
>+	port_conf.dequeue_depth =
>+
>	evdev_default_conf.max_event_port_dequeue_depth;
>+	port_conf.enqueue_depth =
>+
>	evdev_default_conf.max_event_port_enqueue_depth;
>+
>+	/* Create Tx adapter */
>+	ret = rte_event_eth_tx_adapter_create(adapter->adapter_id,
>+			adapter->eventdev_id,
>+			&port_conf);
>+	if (ret < 0) {
>+		RTE_EM_HLPR_LOG_ERR("Error in Tx adapter creation");
>+		return ret;
>+	}
>+
>+	/* Setup various connections in the adapter */
>+	for (j = 0; j < adapter->nb_connections; j++) {
>+
>+		/* Get connection */
>+		conn = &(adapter->conn[j]);
>+
>+		/* Add queue to the adapter */
>+		ret = rte_event_eth_tx_adapter_queue_add(
>+				adapter->adapter_id,
>+				conn->ethdev_id,
>+				conn->ethdev_tx_qid);
>+		if (ret < 0) {
>+			RTE_EM_HLPR_LOG_ERR(
>+				"Error in adding eth queue in Tx adapter");
>+			return ret;
>+		}
>+	}
>+
>+	/* Get event port used by the adapter */
>+	ret = rte_event_eth_tx_adapter_event_port_get(
>+			adapter->adapter_id,
>+			&tx_port_id);
>+	if (ret) {
>+		RTE_EM_HLPR_LOG_ERR("Failed to get Tx adapter port ID");
>+		return ret;
>+	}
>+
>+	/*
>+	 * TODO: event queue for Tx adapter is required only if the
>+	 * INTERNAL PORT is not present.
>+	 */
>+
>+	/*
>+	 * Tx event queue would be reserved for Tx adapter. Need to unlink
>+	 * this queue from all other ports
>+	 *
>+	 */
>+	for (j = 0; j < eventdev_config->nb_eventport; j++) {
>+		rte_event_port_unlink(eventdev_id, j,
>+				      &(adapter->tx_ev_queue), 1);
>+	}
>+
>+	ret = rte_event_port_link(
>+			eventdev_id,
>+			tx_port_id,
>+			&(adapter->tx_ev_queue),
>+			NULL, 1);
>+	if (ret != 1) {
>+		RTE_EM_HLPR_LOG_ERR("Failed to link event queue to port");
>+		return ret;
>+	}
>+
>+	/* Get the service ID used by Tx adapter */
>+	ret = rte_event_eth_tx_adapter_service_id_get(adapter->adapter_id,
>+						      &service_id);
>+	if (ret != -ESRCH && ret != 0) {
>+		RTE_EM_HLPR_LOG_ERR(
>+			"Error getting service ID used by adapter");
>+		return ret;
>+	}
>+
>+	/*
>+	 * TODO
>+	 * Tx core will invoke the service when required. The runstate check
>+	 * is not required.
>+	 *
>+	 */
>+	rte_service_set_runstate_mapped_check(service_id, 0);
>+
>+	/* Start adapter */
>+	ret = rte_event_eth_tx_adapter_start(adapter->adapter_id);
>+	if (ret) {
>+		RTE_EM_HLPR_LOG_ERR("Error in starting Tx adapter");
>+		return ret;
>+	}
>+
>+	return 0;
>+}
>+
>+static int
>+rte_eventmode_helper_initialize_tx_adapter(struct eventmode_conf
>+*em_conf) {
>+	int i, ret;
>+	struct tx_adapter_conf *adapter;
>+
>+	/* Configure Tx adapters */
>+	for (i = 0; i < em_conf->nb_tx_adapter; i++) {
>+		adapter = &(em_conf->tx_adapter[i]);
>+		ret = tx_adapter_configure(em_conf, adapter);
>+		if (ret < 0) {
>+			RTE_EM_HLPR_LOG_ERR("Tx adapter configuration
>failed");
>+			return ret;
>+		}
>+	}
>+	return 0;
>+}
>+
> int32_t __rte_experimental
> rte_eventmode_helper_initialize_devs(
> 		struct rte_eventmode_helper_conf *mode_conf) @@ -861,6
>+1145,11 @@ rte_eventmode_helper_initialize_devs(
> 	if (ret != 0)
> 		return ret;
>
>+	/* Setup Tx adapter */
>+	ret = rte_eventmode_helper_initialize_tx_adapter(em_conf);
>+	if (ret != 0)
>+		return ret;
>+
> 	/* Start eth devices after setting up adapter */
> 	RTE_ETH_FOREACH_DEV(portid) {
>
>@@ -1001,6 +1290,7 @@
>rte_eventmode_helper_start_worker_eth_core(struct eventmode_conf
>*em_conf,  {
> 	uint32_t service_id[EVENT_MODE_MAX_ADAPTERS_PER_RX_CORE];
> 	struct rx_adapter_conf *rx_adapter;
>+	struct tx_adapter_conf *tx_adapter;
> 	int service_count = 0;
> 	int adapter_id;
> 	int32_t ret;
>@@ -1042,6 +1332,39 @@
>rte_eventmode_helper_start_worker_eth_core(struct eventmode_conf
>*em_conf,
> 		service_count++;
> 	}
>
>+	/*
>+	 * Need to parse adapter conf to see which all Tx adapters need to be
>+	 * handled this core.
>+	 */
>+	for (i = 0; i < em_conf->nb_tx_adapter; i++) {
>+		/* Check if we have exceeded the max allowed */
>+		if (service_count >
>EVENT_MODE_MAX_ADAPTERS_PER_TX_CORE) {
>+			RTE_EM_HLPR_LOG_ERR(
>+				"Exceeded the max allowed adapters per Tx
>core");
>+			break;
>+		}
>+
>+		tx_adapter = &(em_conf->tx_adapter[i]);
>+		if (tx_adapter->tx_core_id != lcore_id)
>+			continue;
>+
>+		/* Adapter need to be handled by this core */
>+		adapter_id = tx_adapter->adapter_id;
>+
>+		/* Get the service ID for the adapters */
>+		ret = rte_event_eth_tx_adapter_service_id_get(adapter_id,
>+				&(service_id[service_count]));
>+
>+		if (ret != -ESRCH && ret != 0) {
>+			RTE_EM_HLPR_LOG_ERR(
>+				"Error getting service ID used by Tx adapter");
>+			return ret;
>+		}
>+
>+		/* Update service count */
>+		service_count++;
>+	}
>+
> 	eth_core_running = true;
>
> 	while (eth_core_running) {
>diff --git a/lib/librte_eventdev/rte_eventmode_helper.h
>b/lib/librte_eventdev/rte_eventmode_helper.h
>index 1235ca4..2212622 100644
>--- a/lib/librte_eventdev/rte_eventmode_helper.h
>+++ b/lib/librte_eventdev/rte_eventmode_helper.h
>@@ -10,6 +10,14 @@ extern "C" {
>
> #include <rte_common.h>
> #include <rte_compat.h>
>+#include <rte_config.h>
>+#include <rte_event_eth_tx_adapter.h>
>+
>+/* Flag to indicate that the event device used by all adapters is same */
>+#define RTE_EM_HELPER_TX_EV_LINK_COMMON_EVENT_DEV	(1 <<
>0)
>+
>+/* Flag to indicate that the event queue to be used for all adapters is same */
>+#define RTE_EM_HELPER_TX_EV_LINK_COMMON_EVENT_QUEUE	(1 <<
>1)
>
> /* Packet transfer mode of the application */  enum
>rte_eventmode_helper_pkt_transfer_mode { @@ -55,6 +63,22 @@ struct
>rte_eventmode_helper_event_link_info {
> 		/**< Lcore to be polling on this port */  };
>
>+/*
>+ * Tx event queue - port link conf
>+ *
>+ * Application would need to know which event queue would correspond to
>+which
>+ * eth port, so that it can send out accordingly.
>+ */
>+struct rte_eventmode_helper_tx_ev_link_conf {
>+	uint8_t flags;
>+	struct {
>+		uint8_t eventdev_id;
>+			/**< Event device ID */
>+		uint8_t tx_ev_queue;
>+			/**< Tx event queue */
>+	} ports[RTE_MAX_ETHPORTS];
>+};
>+
> /* Workers registered by the application */  struct
>rte_eventmode_helper_app_worker_params {
> 	union {
>diff --git a/lib/librte_eventdev/rte_eventmode_helper_internal.h
>b/lib/librte_eventdev/rte_eventmode_helper_internal.h
>index 906766c..1daca22 100644
>--- a/lib/librte_eventdev/rte_eventmode_helper_internal.h
>+++ b/lib/librte_eventdev/rte_eventmode_helper_internal.h
>@@ -38,9 +38,15 @@
> /* Max Rx adapters supported */
> #define EVENT_MODE_MAX_RX_ADAPTERS RTE_EVENT_MAX_DEVS
>
>+/* Max Tx adapters supported */
>+#define EVENT_MODE_MAX_TX_ADAPTERS RTE_EVENT_MAX_DEVS
>+
> /* Max Rx adapter connections */
> #define EVENT_MODE_MAX_CONNECTIONS_PER_ADAPTER 16
>
>+/* Max Tx adapter connections */
>+#define EVENT_MODE_MAX_CONNECTIONS_PER_TX_ADAPTER 16
>+
> /* Max event queues supported per event device */  #define
>EVENT_MODE_MAX_EVENT_QUEUES_PER_DEV
>RTE_EVENT_MAX_QUEUES_PER_DEV
>
>@@ -51,6 +57,9 @@
> /* Max adapters that one Rx core can handle */  #define
>EVENT_MODE_MAX_ADAPTERS_PER_RX_CORE
>EVENT_MODE_MAX_RX_ADAPTERS
>
>+/* Max adapters that one Tx core can handle */ #define
>+EVENT_MODE_MAX_ADAPTERS_PER_TX_CORE
>EVENT_MODE_MAX_TX_ADAPTERS
>+
> /* Event dev params */
> struct eventdev_params {
> 	uint8_t eventdev_id;
>@@ -76,6 +85,23 @@ struct rx_adapter_conf {
>
>	conn[EVENT_MODE_MAX_CONNECTIONS_PER_ADAPTER];
> };
>
>+/* Tx adapter connection info */
>+struct tx_adapter_connection_info {
>+	uint8_t ethdev_id;
>+	int32_t ethdev_tx_qid;
>+};
>+
>+/* Tx adapter conf */
>+struct tx_adapter_conf {
>+	int32_t eventdev_id;
>+	int32_t adapter_id;
>+	uint32_t tx_core_id;
>+	uint8_t nb_connections;
>+	struct tx_adapter_connection_info
>+
>	conn[EVENT_MODE_MAX_CONNECTIONS_PER_TX_ADAPTER];
>+	uint8_t tx_ev_queue;
>+};
>+
> /* Eventmode conf data */
> struct eventmode_conf {
> 	int nb_eventdev;
>@@ -86,6 +112,10 @@ struct eventmode_conf {
> 		/**< No of Rx adapters */
> 	struct rx_adapter_conf
>rx_adapter[EVENT_MODE_MAX_RX_ADAPTERS];
> 		/**< Rx adapter conf */
>+	uint8_t nb_tx_adapter;
>+		/**< No of Tx adapters */
>+	struct tx_adapter_conf
>tx_adapter[EVENT_MODE_MAX_TX_ADAPTERS];
>+		/** Tx adapter conf */
> 	uint8_t nb_link;
> 		/**< No of links */
> 	struct rte_eventmode_helper_event_link_info
>diff --git a/lib/librte_eventdev/rte_eventmode_helper_prints.c
>b/lib/librte_eventdev/rte_eventmode_helper_prints.c
>index 3114d29..387302a 100644
>--- a/lib/librte_eventdev/rte_eventmode_helper_prints.c
>+++ b/lib/librte_eventdev/rte_eventmode_helper_prints.c
>@@ -95,6 +95,12 @@ rte_eventmode_display_rx_adapter_conf(struct
>eventmode_conf *em_conf)  }
>
> static void
>+rte_eventmode_display_tx_adapter_conf(struct eventmode_conf *em_conf)
>{
>+	RTE_SET_USED(em_conf);
>+}
>+
>+static void
> rte_eventmode_display_link_conf(struct eventmode_conf *em_conf)  {
> 	int i;
>@@ -155,6 +161,9 @@ rte_eventmode_helper_display_conf(struct
>rte_eventmode_helper_conf *mode_conf)
> 	/* Display Rx adapter conf */
> 	rte_eventmode_display_rx_adapter_conf(em_conf);
>
>+	/* Display Tx adapter conf */
>+	rte_eventmode_display_tx_adapter_conf(em_conf);
>+
> 	/* Display event-lcore link */
> 	rte_eventmode_display_link_conf(em_conf);
> }
>--
>2.7.4