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From: David Marchand <david.marchand@6wind.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH 2/3] Revert "eal: support link bonding device initialization"
Date: Tue, 26 Aug 2014 16:12:17 +0200
Message-ID: <1409062338-26477-3-git-send-email-david.marchand@6wind.com> (raw)
In-Reply-To: <1409062338-26477-1-git-send-email-david.marchand@6wind.com>

This reverts commit a155d430119d947d3cb03136ce50924a642dbfe0.

Signed-off-by: David Marchand <david.marchand@6wind.com>
---
 lib/librte_eal/bsdapp/eal/eal.c             |   10 +----
 lib/librte_eal/common/eal_common_dev.c      |   58 +++++++++------------------
 lib/librte_eal/common/eal_common_pci.c      |    3 --
 lib/librte_eal/common/include/eal_private.h |    7 ++++
 lib/librte_eal/common/include/rte_dev.h     |   14 +------
 lib/librte_eal/linuxapp/eal/eal.c           |   11 +----
 6 files changed, 29 insertions(+), 74 deletions(-)

diff --git a/lib/librte_eal/bsdapp/eal/eal.c b/lib/librte_eal/bsdapp/eal/eal.c
index dad9e0c..6ca8758 100644
--- a/lib/librte_eal/bsdapp/eal/eal.c
+++ b/lib/librte_eal/bsdapp/eal/eal.c
@@ -898,7 +898,7 @@ rte_eal_init(int argc, char **argv)
 
 	rte_eal_mcfg_complete();
 
-	if (rte_eal_dev_init(PMD_INIT_PRE_PCI_PROBE) < 0)
+	if (rte_eal_dev_init() < 0)
 		rte_panic("Cannot init pmd devices\n");
 
 	RTE_LCORE_FOREACH_SLAVE(i) {
@@ -930,14 +930,6 @@ rte_eal_init(int argc, char **argv)
 	rte_eal_mp_remote_launch(sync_func, NULL, SKIP_MASTER);
 	rte_eal_mp_wait_lcore();
 
-	/* Probe & Initialize PCI devices */
-	if (rte_eal_pci_probe())
-			rte_panic("Cannot probe PCI\n");
-
-	/* Initialize any outstanding devices */
-	if (rte_eal_dev_init(PMD_INIT_POST_PCI_PROBE) < 0)
-		rte_panic("Cannot init pmd devices\n");
-
 	return fctret;
 }
 
diff --git a/lib/librte_eal/common/eal_common_dev.c b/lib/librte_eal/common/eal_common_dev.c
index 1194419..eae5656 100644
--- a/lib/librte_eal/common/eal_common_dev.c
+++ b/lib/librte_eal/common/eal_common_dev.c
@@ -62,7 +62,7 @@ rte_eal_driver_unregister(struct rte_driver *driver)
 }
 
 int
-rte_eal_dev_init(uint8_t init_pri)
+rte_eal_dev_init(void)
 {
 	struct rte_devargs *devargs;
 	struct rte_driver *driver;
@@ -80,52 +80,30 @@ rte_eal_dev_init(uint8_t init_pri)
 			continue;
 
 		TAILQ_FOREACH(driver, &dev_driver_list, next) {
-			/* RTE_DEVTYPE_VIRTUAL can only be a virtual or bonded device,
-			 * virtual devices are initialized pre PCI probing and bonded
-			 * device are post pci probing */
-			if ((driver->type == PMD_VDEV && init_pri ==
-					PMD_INIT_PRE_PCI_PROBE) ||
-				(driver->type == PMD_BDEV && init_pri ==
-						PMD_INIT_POST_PCI_PROBE)) {
+			if (driver->type != PMD_VDEV)
+				continue;
 
-				/* search a driver prefix in virtual device name */
-				if (!strncmp(driver->name, devargs->virtual.drv_name,
-						strlen(driver->name))) {
-					printf("init (%u) %s\n", init_pri, devargs->virtual.drv_name);
-					driver->init(devargs->virtual.drv_name,
-						devargs->args);
-					break;
-				}
+			/* search a driver prefix in virtual device name */
+			if (!strncmp(driver->name, devargs->virtual.drv_name,
+					strlen(driver->name))) {
+				driver->init(devargs->virtual.drv_name,
+					devargs->args);
+				break;
 			}
 		}
 
-		/* If initializing pre PCI probe, then we don't expect a bonded driver
-		 * to be found */
-		if (init_pri == PMD_INIT_PRE_PCI_PROBE &&
-				strncmp(PMD_BOND_NAME, devargs->virtual.drv_name,
-					strlen(PMD_BOND_NAME)) != 0) {
-			if (driver == NULL) {
-				rte_panic("no driver found for virtual device %s\n",
-					devargs->virtual.drv_name);
-			}
-		} else if (init_pri == PMD_INIT_POST_PCI_PROBE &&
-				strncmp(PMD_BOND_NAME, devargs->virtual.drv_name,
-					strlen(PMD_BOND_NAME)) == 0) {
-			if (driver == NULL) {
-				rte_panic("no driver found for bonded device %s\n",
-					devargs->virtual.drv_name);
-			}
+		if (driver == NULL) {
+			rte_panic("no driver found for %s\n",
+				  devargs->virtual.drv_name);
 		}
 	}
 
-	/* Once the vdevs are initialized, start calling all the pdev drivers */
-	if (init_pri == PMD_INIT_PRE_PCI_PROBE) {
-		TAILQ_FOREACH(driver, &dev_driver_list, next) {
-			if (driver->type != PMD_PDEV)
-				continue;
-			/* PDEV drivers don't get passed any parameters */
-			driver->init(NULL, NULL);
-		}
+	/* Once the vdevs are initalized, start calling all the pdev drivers */
+	TAILQ_FOREACH(driver, &dev_driver_list, next) {
+		if (driver->type != PMD_PDEV)
+			continue;
+		/* PDEV drivers don't get passed any parameters */
+		driver->init(NULL, NULL);
 	}
 	return 0;
 }
diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c
index c637361..af809a8 100644
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -150,9 +150,6 @@ rte_eal_pci_probe(void)
 		probe_all = 1;
 
 	TAILQ_FOREACH(dev, &pci_device_list, next) {
-		/* check if device has already been initialized */
-		if (dev->driver != NULL)
-			continue;
 
 		/* set devargs in PCI structure */
 		devargs = pci_devargs_lookup(dev);
diff --git a/lib/librte_eal/common/include/eal_private.h b/lib/librte_eal/common/include/eal_private.h
index b440ffb..232fcec 100644
--- a/lib/librte_eal/common/include/eal_private.h
+++ b/lib/librte_eal/common/include/eal_private.h
@@ -196,4 +196,11 @@ int rte_eal_intr_init(void);
  */
 int rte_eal_alarm_init(void);
 
+/**
+ * This function initialises any virtual devices
+ *
+ * This function is private to the EAL.
+ */
+int rte_eal_dev_init(void);
+
 #endif /* _EAL_PRIVATE_H_ */
diff --git a/lib/librte_eal/common/include/rte_dev.h b/lib/librte_eal/common/include/rte_dev.h
index d89f1a5..f7e3a10 100644
--- a/lib/librte_eal/common/include/rte_dev.h
+++ b/lib/librte_eal/common/include/rte_dev.h
@@ -62,16 +62,6 @@ typedef int (rte_dev_init_t)(const char *name, const char *args);
 enum pmd_type {
 	PMD_VDEV = 0,
 	PMD_PDEV = 1,
-	PMD_BDEV = 2,	/**< Poll Mode Driver Bonded Device*/
-};
-
-#define PMD_BOND_NAME "eth_bond"
-
-/**
- * Driver initialization */
-enum pmd_init_priority {
-	PMD_INIT_PRE_PCI_PROBE = 0,
-	PMD_INIT_POST_PCI_PROBE = 1,
 };
 
 /**
@@ -103,9 +93,9 @@ void rte_eal_driver_register(struct rte_driver *driver);
 void rte_eal_driver_unregister(struct rte_driver *driver);
 
 /**
- * Initialize all the registered drivers in this process
+ * Initalize all the registered drivers in this process
  */
-int rte_eal_dev_init(uint8_t init_priority);
+int rte_eal_dev_init(void);
 
 #define PMD_REGISTER_DRIVER(d)\
 void devinitfn_ ##d(void);\
diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 884aa9b..392bedf 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -75,7 +75,6 @@
 #include <rte_atomic.h>
 #include <malloc_heap.h>
 #include <rte_eth_ring.h>
-#include <rte_dev.h>
 
 #include "eal_private.h"
 #include "eal_thread.h"
@@ -1178,7 +1177,7 @@ rte_eal_init(int argc, char **argv)
 	RTE_LOG(DEBUG, EAL, "Master core %u is ready (tid=%x)\n",
 		rte_config.master_lcore, (int)thread_id);
 
-	if (rte_eal_dev_init(PMD_INIT_PRE_PCI_PROBE) < 0)
+	if (rte_eal_dev_init() < 0)
 		rte_panic("Cannot init pmd devices\n");
 
 	RTE_LCORE_FOREACH_SLAVE(i) {
@@ -1208,14 +1207,6 @@ rte_eal_init(int argc, char **argv)
 	rte_eal_mp_remote_launch(sync_func, NULL, SKIP_MASTER);
 	rte_eal_mp_wait_lcore();
 
-	/* Probe & Initialize PCI devices */
-	if (rte_eal_pci_probe())
-			rte_panic("Cannot probe PCI\n");
-
-	/* Initialize any outstanding devices */
-	if (rte_eal_dev_init(PMD_INIT_POST_PCI_PROBE) < 0)
-		rte_panic("Cannot init pmd devices\n");
-
 	return fctret;
 }
 
-- 
1.7.10.4

  parent reply	other threads:[~2014-08-26 14:08 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-26 14:12 [dpdk-dev] [PATCH 0/3] eal / bonding pmd cleanup David Marchand
2014-08-26 14:12 ` [dpdk-dev] [PATCH 1/3] bond: move param parsing in dev_configure David Marchand
2014-08-26 14:12 ` David Marchand [this message]
2014-08-26 14:12 ` [dpdk-dev] [PATCH 3/3] eal: probe pci devices at rte_eal_init time David Marchand
2014-09-16 13:05 ` [dpdk-dev] [PATCH 0/3] eal / bonding pmd cleanup David Marchand
2014-09-22 11:02   ` David Marchand
2014-09-22 13:04     ` Neil Horman
2014-09-29 12:12       ` Thomas Monjalon

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