These PMDs were being initialized by the EAL layer, but many apps were
relying on the return value of rte_pmd_init_all to indicate that
ethernet interfaces were available for use.  Move the initialization of
the non-PCI PMDs to this centralized function to have all of the PMDs
treated equally.

Signed-off-by: John W. Linville <linville at tuxdriver.com>
---
 lib/librte_eal/bsdapp/eal/eal.c                |  3 ---
 lib/librte_eal/common/eal_common_nonpci_devs.c |  2 +-
 lib/librte_eal/common/include/eal_private.h    |  7 -------
 lib/librte_eal/common/include/rte_common.h     |  7 +++++++
 lib/librte_eal/linuxapp/eal/eal.c              |  3 ---
 lib/librte_ether/rte_ethdev.h                  | 11 +++++++++++
 6 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/lib/librte_eal/bsdapp/eal/eal.c b/lib/librte_eal/bsdapp/eal/eal.c
index be00f9120a65..a1cd683c6ff6 100644
--- a/lib/librte_eal/bsdapp/eal/eal.c
+++ b/lib/librte_eal/bsdapp/eal/eal.c
@@ -854,9 +854,6 @@ rte_eal_init(int argc, char **argv)

        rte_eal_mcfg_complete();

-       if (rte_eal_non_pci_ethdev_init() < 0)
-               rte_panic("Cannot init non-PCI eth_devs\n");
-
        RTE_LCORE_FOREACH_SLAVE(i) {

                /*
diff --git a/lib/librte_eal/common/eal_common_nonpci_devs.c 
b/lib/librte_eal/common/eal_common_nonpci_devs.c
index 1c9c88b61535..bf645e3f6449 100644
--- a/lib/librte_eal/common/eal_common_nonpci_devs.c
+++ b/lib/librte_eal/common/eal_common_nonpci_devs.c
@@ -76,7 +76,7 @@ struct device_init dev_types[] = {
 };

 int
-rte_eal_non_pci_ethdev_init(void)
+rte_eal_non_pci_pmd_init(void)
 {
        uint8_t i, j;
        for (i = 0; i < NUM_DEV_TYPES; i++) {
diff --git a/lib/librte_eal/common/include/eal_private.h 
b/lib/librte_eal/common/include/eal_private.h
index 251f15e71b74..a7806a957096 100644
--- a/lib/librte_eal/common/include/eal_private.h
+++ b/lib/librte_eal/common/include/eal_private.h
@@ -234,11 +234,4 @@ int eal_dev_is_whitelisted(const char *device_str, const 
char **params);
  */
 void eal_dev_whitelist_clear(void);

-/**
- * This function initialises any non-PCI i.e. dummy ethernet devices
- *
- * This function is private to the EAL.
- */
-int rte_eal_non_pci_ethdev_init(void);
-
 #endif /* _EAL_PRIVATE_H_ */
diff --git a/lib/librte_eal/common/include/rte_common.h 
b/lib/librte_eal/common/include/rte_common.h
index b6ea7f06741a..1a69711e4589 100644
--- a/lib/librte_eal/common/include/rte_common.h
+++ b/lib/librte_eal/common/include/rte_common.h
@@ -382,6 +382,13 @@ rte_exit(int exit_code, const char *format, ...)
        __attribute__((noreturn))
        __attribute__((format(printf, 2, 3)));

+/**
+ * This function initialises any non-PCI i.e. dummy ethernet devices
+ *
+ * This function is private to the EAL.
+ */
+int rte_eal_non_pci_pmd_init(void);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/librte_eal/linuxapp/eal/eal.c 
b/lib/librte_eal/linuxapp/eal/eal.c
index 72b4dd7b1333..cdd8ecd2e004 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -1029,9 +1029,6 @@ rte_eal_init(int argc, char **argv)

        rte_eal_mcfg_complete();

-       if (rte_eal_non_pci_ethdev_init() < 0)
-               rte_panic("Cannot init non-PCI eth_devs\n");
-
        TAILQ_FOREACH(solib, &solib_list, next) {
                solib->lib_handle = dlopen(solib->name, RTLD_NOW);
                if ((solib->lib_handle == NULL) && (solib->name[0] != '/')) {
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index dea7471d71a4..f6622990fe0a 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1389,6 +1389,9 @@ extern int rte_vmxnet3_pmd_init(void);
  *  - ixgbevf
  *  - virtio
  *  - vmxnet3
+ *  - pcap
+ *  - ring
+ *  - xenvirt
  * This function is invoked once at EAL start time.
  * @return
  *   0 on success.
@@ -1444,6 +1447,14 @@ int rte_pmd_init_all(void)
        }
 #endif /* RTE_LIBRTE_VMXNET3_PMD */

+#if defined(RTE_LIBRTE_PMD_PCAP) || defined(RTE_LIBRTE_PMD_RING) || \
+    defined(RTE_LIBRTE_PMD_XENVIRT)
+       if ((ret = rte_eal_non_pci_pmd_init()) != 0) {
+               RTE_LOG(ERR, PMD, "Cannot init non-PCI PMDs\n");
+               return (ret);
+       }
+#endif /* PMD_PCAP || PMD_RING || PMD_XENVIRT */
+
        if (ret == -ENODEV)
                RTE_LOG(ERR, PMD, "No PMD(s) are configured\n");
        return (ret);
-- 
1.9.0

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