[dpdk-dev] [PATCH 14/15] vmxnet3: Convert to use of PMD_REGISTER_DRIVER and fix linking

[Neil Horman <nhorman@tuxdriver.com>]

convert the vmxnet3 pmd driver to use the PMD_REGISTER_DRIVER macro.
This means that the test applications now have no reference to the vmxnet3 library
when building DSO's and must specify its use on the command line with the -d
option.  Static linking will still initalize the driver automatically.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
---
 lib/librte_ether/rte_ethdev.h           | 19 +------------------
 lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c | 13 +++++++++++--
 mk/rte.app.mk                           |  8 ++++----
 3 files changed, 16 insertions(+), 24 deletions(-)

diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 7126f95..24288f8 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1316,16 +1316,6 @@ struct eth_driver {
 extern void rte_eth_driver_register(struct eth_driver *eth_drv);
 
 /**
- * The initialization function of the driver for VMware VMXNET3
- * Ethernet devices.
- * Invoked once at EAL start time.
- * @return
- *   0 on success
- */
-extern int rte_vmxnet3_pmd_init(void);
-
-
-/**
  * The initialization function of *all* supported and enabled drivers.
  * Right now, the following PMDs are supported:
  *  - igb
@@ -1345,14 +1335,7 @@ extern int rte_vmxnet3_pmd_init(void);
 static inline
 int rte_pmd_init_all(void)
 {
-	int ret = -ENODEV;
-
-#ifdef RTE_LIBRTE_VMXNET3_PMD
-	if ((ret = rte_vmxnet3_pmd_init()) != 0) {
-		RTE_LOG(ERR, PMD, "Cannot init vmxnet3 PMD\n");
-		return (ret);
-	}
-#endif /* RTE_LIBRTE_VMXNET3_PMD */
+	int ret = 0;
 
 	if (ret == -ENODEV)
 		RTE_LOG(ERR, PMD, "No PMD(s) are configured\n");
diff --git a/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c b/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c
index 8259cfe..19ac3eb 100644
--- a/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c
+++ b/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c
@@ -60,6 +60,8 @@
 #include <rte_atomic.h>
 #include <rte_string_fns.h>
 #include <rte_malloc.h>
+#include <rte_dev.h>
+#include <rte_pmd.h>
 
 #include "vmxnet3/vmxnet3_defs.h"
 
@@ -278,8 +280,8 @@ static struct eth_driver rte_vmxnet3_pmd = {
  * Invoked once at EAL init time.
  * Register itself as the [Poll Mode] Driver of Virtual PCI VMXNET3 devices.
  */
-int
-rte_vmxnet3_pmd_init(void)
+static int
+rte_vmxnet3_pmd_init(const char *name __rte_unused, const char *param __rte_unused)
 {
 	PMD_INIT_FUNC_TRACE();
 
@@ -763,3 +765,10 @@ vmxnet3_process_events(struct vmxnet3_hw *hw)
 
 }
 #endif
+
+static struct rte_driver rte_vmxnet3_driver = {
+	.type = PMD_PDEV,
+	.init = rte_vmxnet3_pmd_init,
+};
+
+PMD_REGISTER_DRIVER(rte_vmxnet3_driver);
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index 827b8e3..afc45b2 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -73,10 +73,6 @@ LDLIBS += -lrte_ivshmem
 endif
 endif
 
-ifeq ($(CONFIG_RTE_LIBRTE_VMXNET3_PMD),y)
-LDLIBS += -lrte_pmd_vmxnet3_uio
-endif
-
 ifeq ($(CONFIG_RTE_LIBRTE_TIMER),y)
 LDLIBS += -lrte_timer
 endif
@@ -157,6 +153,10 @@ endif
 
 ifeq ($(RTE_BUILD_SHARED_LIB),n)
 
+ifeq ($(CONFIG_RTE_LIBRTE_VMXNET3_PMD),y)
+LDLIBS += -lrte_pmd_vmxnet3_uio
+endif
+
 ifeq ($(CONFIG_RTE_LIBRTE_VIRTIO_PMD),y)
 LDLIBS += -lrte_pmd_virtio_uio
 endif
-- 
1.8.3.1