dpdk 16.07 - merges of final version changes

11 files changed, 70 insertions, 32 deletions

diff --git a/src/dpdk/lib/librte_eal/common/eal_common_memzone.c b/src/dpdk/lib/librte_eal/common/eal_common_memzone.c
index 5d28341f..1bd0a33d 100644
--- a/src/dpdk/lib/librte_eal/common/eal_common_memzone.c
+++ b/src/dpdk/lib/librte_eal/common/eal_common_memzone.c
@@ -144,16 +144,16 @@ memzone_reserve_aligned_thread_unsafe(const char *name, size_t len,
 		return NULL;
 	}
 
-	/* zone already exist */
-	if ((memzone_lookup_thread_unsafe(name)) != NULL) {
-		RTE_LOG(DEBUG, EAL, "%s(): memzone <%s> already exists\n",
+	if (strlen(name) > sizeof(mz->name) - 1) {
+		RTE_LOG(DEBUG, EAL, "%s(): memzone <%s>: name too long\n",
 			__func__, name);
-		rte_errno = EEXIST;
+		rte_errno = ENAMETOOLONG;
 		return NULL;
 	}
 
-	if (strlen(name) >= sizeof(mz->name) - 1) {
-		RTE_LOG(DEBUG, EAL, "%s(): memzone <%s>: name too long\n",
+	/* zone already exist */
+	if ((memzone_lookup_thread_unsafe(name)) != NULL) {
+		RTE_LOG(DEBUG, EAL, "%s(): memzone <%s> already exists\n",
 			__func__, name);
 		rte_errno = EEXIST;
 		return NULL;
diff --git a/src/dpdk/lib/librte_eal/common/eal_common_options.c b/src/dpdk/lib/librte_eal/common/eal_common_options.c
index 0a594d7f..1a1bab36 100644
--- a/src/dpdk/lib/librte_eal/common/eal_common_options.c
+++ b/src/dpdk/lib/librte_eal/common/eal_common_options.c
@@ -116,9 +116,9 @@ TAILQ_HEAD_INITIALIZER(solib_list);
 static const char *default_solib_dir = RTE_EAL_PMD_PATH;
 
 /*
- * Stringified version of solib path used by pmdinfo.py
+ * Stringified version of solib path used by dpdk-pmdinfo.py
  * Note: PLEASE DO NOT ALTER THIS without making a corresponding
- * change to tools/pmdinfo.py
+ * change to tools/dpdk-pmdinfo.py
  */
 static const char dpdk_solib_path[] __attribute__((used)) =
 "DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH;
@@ -530,6 +530,13 @@ eal_parse_set(const char *input, uint16_t set[], unsigned num)
 		str = end + 1;
 	} while (*end != '\0' && *end != ')');
 
+	/*
+	 * to avoid failure that tail blank makes end character check fail
+	 * in eal_parse_lcores( )
+	 */
+	while (isblank(*str))
+		str++;
+
 	return str - input;
 }
 
@@ -578,13 +585,12 @@ eal_parse_lcores(const char *lcores)
 	struct rte_config *cfg = rte_eal_get_configuration();
 	static uint16_t set[RTE_MAX_LCORE];
 	unsigned idx = 0;
-	int i;
 	unsigned count = 0;
 	const char *lcore_start = NULL;
 	const char *end = NULL;
 	int offset;
 	rte_cpuset_t cpuset;
-	int lflags = 0;
+	int lflags;
 	int ret = -1;
 
 	if (lcores == NULL)
@@ -593,9 +599,6 @@ eal_parse_lcores(const char *lcores)
 	/* Remove all blank characters ahead and after */
 	while (isblank(*lcores))
 		lcores++;
-	i = strlen(lcores);
-	while ((i > 0) && isblank(lcores[i - 1]))
-		i--;
 
 	CPU_ZERO(&cpuset);
 
@@ -613,6 +616,8 @@ eal_parse_lcores(const char *lcores)
 		if (*lcores == '\0')
 			goto err;
 
+		lflags = 0;
+
 		/* record lcore_set start point */
 		lcore_start = lcores;
 
diff --git a/src/dpdk/lib/librte_eal/common/include/rte_tailq.h b/src/dpdk/lib/librte_eal/common/include/rte_tailq.h
index 4a686e68..cc3c0f1d 100644
--- a/src/dpdk/lib/librte_eal/common/include/rte_tailq.h
+++ b/src/dpdk/lib/librte_eal/common/include/rte_tailq.h
@@ -155,6 +155,14 @@ void __attribute__((constructor, used)) tailqinitfn_ ##t(void) \
 		rte_panic("Cannot initialize tailq: %s\n", t.name); \
 }
 
+/* This macro permits both remove and free var within the loop safely.*/
+#ifndef TAILQ_FOREACH_SAFE
+#define TAILQ_FOREACH_SAFE(var, head, field, tvar)		\
+	for ((var) = TAILQ_FIRST((head));			\
+	    (var) && ((tvar) = TAILQ_NEXT((var), field), 1);	\
+	    (var) = (tvar))
+#endif
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/dpdk/lib/librte_eal/common/include/rte_version.h b/src/dpdk/lib/librte_eal/common/include/rte_version.h
index eacc86c1..615deb7f 100644
--- a/src/dpdk/lib/librte_eal/common/include/rte_version.h
+++ b/src/dpdk/lib/librte_eal/common/include/rte_version.h
@@ -70,14 +70,14 @@ extern "C" {
 /**
  * Extra string to be appended to version number
  */
-#define RTE_VER_SUFFIX "-rc"
+#define RTE_VER_SUFFIX ""
 
 /**
  * Patch release number
  *   0-15 = release candidates
  *   16   = release
  */
-#define RTE_VER_RELEASE 3
+#define RTE_VER_RELEASE 16
 
 /**
  * Macro to compute a version number usable for comparisons
diff --git a/src/dpdk/lib/librte_eal/linuxapp/eal/eal_memory.c b/src/dpdk/lib/librte_eal/linuxapp/eal/eal_memory.c
index 42a29faf..41e0a928 100644
--- a/src/dpdk/lib/librte_eal/linuxapp/eal/eal_memory.c
+++ b/src/dpdk/lib/librte_eal/linuxapp/eal/eal_memory.c
@@ -99,6 +99,8 @@
 #include "eal_filesystem.h"
 #include "eal_hugepages.h"
 
+#define PFN_MASK_SIZE	8
+
 #ifdef RTE_LIBRTE_XEN_DOM0
 int rte_xen_dom0_supported(void)
 {
@@ -158,7 +160,7 @@ rte_mem_lock_page(const void *virt)
 phys_addr_t
 rte_mem_virt2phy(const void *virtaddr)
 {
-	int fd;
+	int fd, retval;
 	uint64_t page, physaddr;
 	unsigned long virt_pfn;
 	int page_size;
@@ -209,10 +211,17 @@ rte_mem_virt2phy(const void *virtaddr)
 		close(fd);
 		return RTE_BAD_PHYS_ADDR;
 	}
-	if (read(fd, &page, sizeof(uint64_t)) < 0) {
+
+	retval = read(fd, &page, PFN_MASK_SIZE);
+	close(fd);
+	if (retval < 0) {
 		RTE_LOG(ERR, EAL, "%s(): cannot read /proc/self/pagemap: %s\n",
 				__func__, strerror(errno));
-		close(fd);
+		return RTE_BAD_PHYS_ADDR;
+	} else if (retval != PFN_MASK_SIZE) {
+		RTE_LOG(ERR, EAL, "%s(): read %d bytes from /proc/self/pagemap "
+				"but expected %d:\n",
+				__func__, retval, PFN_MASK_SIZE);
 		return RTE_BAD_PHYS_ADDR;
 	}
 
@@ -222,7 +231,7 @@ rte_mem_virt2phy(const void *virtaddr)
 	 */
 	physaddr = ((page & 0x7fffffffffffffULL) * page_size)
 		+ ((unsigned long)virtaddr % page_size);
-	close(fd);
+
 	return physaddr;
 }
 
diff --git a/src/dpdk/lib/librte_ether/rte_ethdev.c b/src/dpdk/lib/librte_ether/rte_ethdev.c
index 47ea4696..9e30438c 100644
--- a/src/dpdk/lib/librte_ether/rte_ethdev.c
+++ b/src/dpdk/lib/librte_ether/rte_ethdev.c
@@ -1524,8 +1524,8 @@ rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats)
 	memset(stats, 0, sizeof(*stats));
 
 	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
-	(*dev->dev_ops->stats_get)(dev, stats);
 	stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
+	(*dev->dev_ops->stats_get)(dev, stats);
 	return 0;
 }
 
diff --git a/src/dpdk/lib/librte_ether/rte_ethdev.h b/src/dpdk/lib/librte_ether/rte_ethdev.h
index 6c99c88b..5339d3be 100644
--- a/src/dpdk/lib/librte_ether/rte_ethdev.h
+++ b/src/dpdk/lib/librte_ether/rte_ethdev.h
@@ -2044,9 +2044,8 @@ int rte_eth_dev_socket_id(uint8_t port_id);
 int rte_eth_dev_is_valid_port(uint8_t port_id);
 
 /**
- * Allocate mbuf from mempool, setup the DMA physical address
- * and then start RX for specified queue of a port. It is used
- * when rx_deferred_start flag of the specified queue is true.
+ * Start specified RX queue of a port. It is used when rx_deferred_start
+ * flag of the specified queue is true.
  *
  * @param port_id
  *   The port identifier of the Ethernet device
@@ -2055,7 +2054,7 @@ int rte_eth_dev_is_valid_port(uint8_t port_id);
  *   The value must be in the range [0, nb_rx_queue - 1] previously supplied
  *   to rte_eth_dev_configure().
  * @return
- *   - 0: Success, the transmit queue is correctly set up.
+ *   - 0: Success, the receive queue is started.
  *   - -EINVAL: The port_id or the queue_id out of range.
  *   - -ENOTSUP: The function not supported in PMD driver.
  */
@@ -2071,7 +2070,7 @@ int rte_eth_dev_rx_queue_start(uint8_t port_id, uint16_t rx_queue_id);
  *   The value must be in the range [0, nb_rx_queue - 1] previously supplied
  *   to rte_eth_dev_configure().
  * @return
- *   - 0: Success, the transmit queue is correctly set up.
+ *   - 0: Success, the receive queue is stopped.
  *   - -EINVAL: The port_id or the queue_id out of range.
  *   - -ENOTSUP: The function not supported in PMD driver.
  */
@@ -2088,7 +2087,7 @@ int rte_eth_dev_rx_queue_stop(uint8_t port_id, uint16_t rx_queue_id);
  *   The value must be in the range [0, nb_tx_queue - 1] previously supplied
  *   to rte_eth_dev_configure().
  * @return
- *   - 0: Success, the transmit queue is correctly set up.
+ *   - 0: Success, the transmit queue is started.
  *   - -EINVAL: The port_id or the queue_id out of range.
  *   - -ENOTSUP: The function not supported in PMD driver.
  */
@@ -2104,7 +2103,7 @@ int rte_eth_dev_tx_queue_start(uint8_t port_id, uint16_t tx_queue_id);
  *   The value must be in the range [0, nb_tx_queue - 1] previously supplied
  *   to rte_eth_dev_configure().
  * @return
- *   - 0: Success, the transmit queue is correctly set up.
+ *   - 0: Success, the transmit queue is stopped.
  *   - -EINVAL: The port_id or the queue_id out of range.
  *   - -ENOTSUP: The function not supported in PMD driver.
  */
diff --git a/src/dpdk/lib/librte_mempool/rte_mempool.c b/src/dpdk/lib/librte_mempool/rte_mempool.c
index 8806633b..2e28e2e8 100644
--- a/src/dpdk/lib/librte_mempool/rte_mempool.c
+++ b/src/dpdk/lib/librte_mempool/rte_mempool.c
@@ -1283,12 +1283,13 @@ void rte_mempool_walk(void (*func)(struct rte_mempool *, void *),
 {
 	struct rte_tailq_entry *te = NULL;
 	struct rte_mempool_list *mempool_list;
+	void *tmp_te;
 
 	mempool_list = RTE_TAILQ_CAST(rte_mempool_tailq.head, rte_mempool_list);
 
 	rte_rwlock_read_lock(RTE_EAL_MEMPOOL_RWLOCK);
 
-	TAILQ_FOREACH(te, mempool_list, next) {
+	TAILQ_FOREACH_SAFE(te, mempool_list, next, tmp_te) {
 		(*func)((struct rte_mempool *) te->data, arg);
 	}
 
diff --git a/src/dpdk/lib/librte_mempool/rte_mempool.h b/src/dpdk/lib/librte_mempool/rte_mempool.h
index 4a8fbb1e..059ad9e5 100644
--- a/src/dpdk/lib/librte_mempool/rte_mempool.h
+++ b/src/dpdk/lib/librte_mempool/rte_mempool.h
@@ -123,7 +123,9 @@ struct rte_mempool_objsz {
 	/**< Total size of an object (header + elt + trailer). */
 };
 
-#define RTE_MEMPOOL_NAMESIZE 32 /**< Maximum length of a memory pool. */
+/**< Maximum length of a memory pool's name. */
+#define RTE_MEMPOOL_NAMESIZE (RTE_RING_NAMESIZE - \
+			      sizeof(RTE_MEMPOOL_MZ_PREFIX) + 1)
 #define RTE_MEMPOOL_MZ_PREFIX "MP_"
 
 /* "MP_<name>" */
@@ -208,7 +210,12 @@ struct rte_mempool_memhdr {
  * The RTE mempool structure.
  */
 struct rte_mempool {
-	char name[RTE_MEMPOOL_NAMESIZE]; /**< Name of mempool. */
+	/*
+	 * Note: this field kept the RTE_MEMZONE_NAMESIZE size due to ABI
+	 * compatibility requirements, it could be changed to
+	 * RTE_MEMPOOL_NAMESIZE next time the ABI changes
+	 */
+	char name[RTE_MEMZONE_NAMESIZE]; /**< Name of mempool. */
 	union {
 		void *pool_data;         /**< Ring or pool to store objects. */
 		uint64_t pool_id;        /**< External mempool identifier. */
diff --git a/src/dpdk/lib/librte_mempool/rte_mempool_ops.c b/src/dpdk/lib/librte_mempool/rte_mempool_ops.c
index fd0b64cf..5f24de25 100644
--- a/src/dpdk/lib/librte_mempool/rte_mempool_ops.c
+++ b/src/dpdk/lib/librte_mempool/rte_mempool_ops.c
@@ -81,6 +81,7 @@ rte_mempool_register_ops(const struct rte_mempool_ops *h)
 	ops = &rte_mempool_ops_table.ops[ops_index];
 	snprintf(ops->name, sizeof(ops->name), "%s", h->name);
 	ops->alloc = h->alloc;
+	ops->free = h->free;
 	ops->enqueue = h->enqueue;
 	ops->dequeue = h->dequeue;
 	ops->get_count = h->get_count;
diff --git a/src/dpdk/lib/librte_ring/rte_ring.h b/src/dpdk/lib/librte_ring/rte_ring.h
index eb45e414..0e22e694 100644
--- a/src/dpdk/lib/librte_ring/rte_ring.h
+++ b/src/dpdk/lib/librte_ring/rte_ring.h
@@ -100,6 +100,7 @@ extern "C" {
 #include <rte_lcore.h>
 #include <rte_atomic.h>
 #include <rte_branch_prediction.h>
+#include <rte_memzone.h>
 
 #define RTE_TAILQ_RING_NAME "RTE_RING"
 
@@ -126,8 +127,10 @@ struct rte_ring_debug_stats {
 } __rte_cache_aligned;
 #endif
 
-#define RTE_RING_NAMESIZE 32 /**< The maximum length of a ring name. */
 #define RTE_RING_MZ_PREFIX "RG_"
+/**< The maximum length of a ring name. */
+#define RTE_RING_NAMESIZE (RTE_MEMZONE_NAMESIZE - \
+			   sizeof(RTE_RING_MZ_PREFIX) + 1)
 
 #ifndef RTE_RING_PAUSE_REP_COUNT
 #define RTE_RING_PAUSE_REP_COUNT 0 /**< Yield after pause num of times, no yield
@@ -147,7 +150,12 @@ struct rte_memzone; /* forward declaration, so as not to require memzone.h */
  * a problem.
  */
 struct rte_ring {
-	char name[RTE_RING_NAMESIZE];    /**< Name of the ring. */
+	/*
+	 * Note: this field kept the RTE_MEMZONE_NAMESIZE size due to ABI
+	 * compatibility requirements, it could be changed to RTE_RING_NAMESIZE
+	 * next time the ABI changes
+	 */
+	char name[RTE_MEMZONE_NAMESIZE];    /**< Name of the ring. */
 	int flags;                       /**< Flags supplied at creation. */
 	const struct rte_memzone *memzone;
 			/**< Memzone, if any, containing the rte_ring */