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[dpdk-dev,RFC,3/3] examples/ethtool: add control interface support to the application

Message ID 1452874684-12750-4-git-send-email-ferruh.yigit@intel.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Ferruh Yigit Jan. 15, 2016, 4:18 p.m. UTC
Control interface APIs added into the sample application.

To have the support corresponding kernel module (KCP) needs to be inserted.
If kernel module is not there, application will run as it is without
kernel control path support.

When KCP module inserted, running application creates a virtual Linux
network interface (dpdk$) per DPDK port. This interface can be used by
traditional Linux tools.

Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
---
 examples/ethtool/ethtool-app/main.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
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Patch

diff --git a/examples/ethtool/ethtool-app/main.c b/examples/ethtool/ethtool-app/main.c
index e21abcd..bfa2128 100644
--- a/examples/ethtool/ethtool-app/main.c
+++ b/examples/ethtool/ethtool-app/main.c
@@ -44,6 +44,7 @@ 
 #include <rte_memory.h>
 #include <rte_mempool.h>
 #include <rte_mbuf.h>
+#include <rte_ctrl_if.h>
 
 #include "ethapp.h"
 
@@ -54,7 +55,6 @@ 
 #define PKTPOOL_EXTRA_SIZE 512
 #define PKTPOOL_CACHE 32
 
-
 struct txq_port {
 	uint16_t cnt_unsent;
 	struct rte_mbuf *buf_frames[MAX_BURST_LENGTH];
@@ -254,6 +254,8 @@  static int slave_main(__attribute__((unused)) void *ptr_data)
 			}
 			rte_spinlock_unlock(&ptr_port->lock);
 		} /* end for( idx_port ) */
+		rte_eth_control_interface_process_msg(
+				RTE_ETHTOOL_CTRL_IF_PROCESS_MSG, 0);
 	} /* end for(;;) */
 
 	return 0;
@@ -293,6 +295,8 @@  int main(int argc, char **argv)
 	id_core = rte_get_next_lcore(id_core, 1, 1);
 	rte_eal_remote_launch(slave_main, NULL, id_core);
 
+	rte_eth_control_interface_create();
+
 	ethapp_main();
 
 	app_cfg.exit_now = 1;
@@ -301,5 +305,7 @@  int main(int argc, char **argv)
 			return -1;
 	}
 
+	rte_eth_control_interface_destroy();
+
 	return 0;
 }