Application would be required to restrict helper functions to use only
certain ports. The field eth_portmask field in the conf could be used
for this.

Signed-off-by: Anoob Joseph <anoob.jos...@caviumnetworks.com>
---
 lib/librte_eventdev/rte_eventmode_helper.c | 3 +++
 lib/librte_eventdev/rte_eventmode_helper.h | 7 +++++++
 2 files changed, 10 insertions(+)

diff --git a/lib/librte_eventdev/rte_eventmode_helper.c 
b/lib/librte_eventdev/rte_eventmode_helper.c
index 14ea493..9282682 100644
--- a/lib/librte_eventdev/rte_eventmode_helper.c
+++ b/lib/librte_eventdev/rte_eventmode_helper.c
@@ -87,6 +87,9 @@ em_initialize_helper_conf(struct rte_eventmode_helper_conf 
*conf)
 
        /* Packet transfer mode: poll */
        conf->mode = RTE_EVENTMODE_HELPER_PKT_TRANSFER_MODE_POLL;
+
+       /* Keep all ethernet ports enabled by default */
+       conf->eth_portmask = -1;
 }
 
 struct rte_eventmode_helper_conf *
diff --git a/lib/librte_eventdev/rte_eventmode_helper.h 
b/lib/librte_eventdev/rte_eventmode_helper.h
index bfe4fa9..7500f0c 100644
--- a/lib/librte_eventdev/rte_eventmode_helper.h
+++ b/lib/librte_eventdev/rte_eventmode_helper.h
@@ -4,6 +4,8 @@
 #ifndef _RTE_EVENTMODE_HELPER_H_
 #define _RTE_EVENTMODE_HELPER_H_
 
+#include <rte_common.h>
+
 /* Packet transfer mode of the application */
 enum rte_eventmode_helper_pkt_transfer_mode {
        RTE_EVENTMODE_HELPER_PKT_TRANSFER_MODE_POLL = 0,
@@ -13,6 +15,11 @@ enum rte_eventmode_helper_pkt_transfer_mode {
 struct rte_eventmode_helper_conf {
        enum rte_eventmode_helper_pkt_transfer_mode mode;
                /**< Packet transfer mode of the application */
+       uint32_t eth_portmask;
+               /**<
+                * Mask of the eth ports to be used. This portmask would be
+                * checked while initializing devices using helper routines.
+                */
        void *mode_params;
                /**< Mode specific parameters */
 };
-- 
2.7.4

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