3 files changed, 24 insertions, 11 deletions

diff --git a/examples/vhost_xen/Makefile b/examples/vhost_xen/Makefile
index 47e14898..ad2466aa 100644
--- a/examples/vhost_xen/Makefile
+++ b/examples/vhost_xen/Makefile
@@ -33,7 +33,7 @@ ifeq ($(RTE_SDK),)
 $(error "Please define RTE_SDK environment variable")
 endif
 
-# Default target, can be overriden by command line or environment
+# Default target, can be overridden by command line or environment
 RTE_TARGET ?= x86_64-native-linuxapp-gcc
 
 include $(RTE_SDK)/mk/rte.vars.mk
diff --git a/examples/vhost_xen/main.c b/examples/vhost_xen/main.c
index d9ef140f..eba4d35a 100644
--- a/examples/vhost_xen/main.c
+++ b/examples/vhost_xen/main.c
@@ -48,6 +48,7 @@
 #include <rte_ethdev.h>
 #include <rte_log.h>
 #include <rte_string_fns.h>
+#include <rte_pause.h>
 
 #include "main.h"
 #include "virtio-net.h"
@@ -278,7 +279,8 @@ port_init(uint8_t port, struct rte_mempool *mbuf_pool)
 	struct rte_eth_rxconf *rxconf;
 	struct rte_eth_conf port_conf;
 	uint16_t rx_rings, tx_rings = (uint16_t)rte_lcore_count();
-	const uint16_t rx_ring_size = RTE_TEST_RX_DESC_DEFAULT, tx_ring_size = RTE_TEST_TX_DESC_DEFAULT;
+	uint16_t rx_ring_size = RTE_TEST_RX_DESC_DEFAULT;
+	uint16_t tx_ring_size = RTE_TEST_TX_DESC_DEFAULT;
 	int retval;
 	uint16_t q;
 
@@ -306,6 +308,17 @@ port_init(uint8_t port, struct rte_mempool *mbuf_pool)
 	if (retval != 0)
 		return retval;
 
+	retval = rte_eth_dev_adjust_nb_rx_tx_desc(port, &rx_ring_size,
+		&tx_ring_size);
+	if (retval != 0)
+		return retval;
+	if (rx_ring_size > RTE_TEST_RX_DESC_DEFAULT ||
+		tx_ring_size > RTE_TEST_TX_DESC_DEFAULT) {
+		RTE_LOG(ERR, VHOST_PORT, "Mbuf pool has an insufficient size for "
+			"port %u.\n", port);
+		return -1;
+	}
+
 	rte_eth_dev_info_get(port, &dev_info);
 	rxconf = &dev_info.default_rxconf;
 	rxconf->rx_drop_en = 1;
@@ -510,7 +523,7 @@ static unsigned check_ports_num(unsigned nb_ports)
  * Function to convert guest physical addresses to vhost virtual addresses. This
  * is used to convert virtio buffer addresses.
  */
-static inline uint64_t __attribute__((always_inline))
+static __rte_always_inline uint64_t
 gpa_to_vva(struct virtio_net *dev, uint64_t guest_pa)
 {
 	struct virtio_memory_regions *region;
@@ -534,10 +547,10 @@ gpa_to_vva(struct virtio_net *dev, uint64_t guest_pa)
 /*
  * This function adds buffers to the virtio devices RX virtqueue. Buffers can
  * be received from the physical port or from another virtio device. A packet
- * count is returned to indicate the number of packets that were succesfully
+ * count is returned to indicate the number of packets that were successfully
  * added to the RX queue.
  */
-static inline uint32_t __attribute__((always_inline))
+static __rte_always_inline uint32_t
 virtio_dev_rx(struct virtio_net *dev, struct rte_mbuf **pkts, uint32_t count)
 {
 	struct vhost_virtqueue *vq;
@@ -662,7 +675,7 @@ virtio_dev_rx(struct virtio_net *dev, struct rte_mbuf **pkts, uint32_t count)
 /*
  * Compares a packet destination MAC address to a device MAC address.
  */
-static inline int __attribute__((always_inline))
+static __rte_always_inline int
 ether_addr_cmp(struct ether_addr *ea, struct ether_addr *eb)
 {
 	return ((*(uint64_t *)ea ^ *(uint64_t *)eb) & MAC_ADDR_CMP) == 0;
@@ -757,7 +770,7 @@ unlink_vmdq(struct virtio_net *dev)
  * Check if the packet destination MAC address is for a local device. If so then put
  * the packet on that devices RX queue. If not then return.
  */
-static inline unsigned __attribute__((always_inline))
+static __rte_always_inline unsigned
 virtio_tx_local(struct virtio_net *dev, struct rte_mbuf *m)
 {
 	struct virtio_net_data_ll *dev_ll;
@@ -814,7 +827,7 @@ virtio_tx_local(struct virtio_net *dev, struct rte_mbuf *m)
  * This function routes the TX packet to the correct interface. This may be a local device
  * or the physical port.
  */
-static inline void __attribute__((always_inline))
+static __rte_always_inline void
 virtio_tx_route(struct virtio_net* dev, struct rte_mbuf *m, struct rte_mempool *mbuf_pool, uint16_t vlan_tag)
 {
 	struct mbuf_table *tx_q;
@@ -883,7 +896,7 @@ virtio_tx_route(struct virtio_net* dev, struct rte_mbuf *m, struct rte_mempool *
 	return;
 }
 
-static inline void __attribute__((always_inline))
+static __rte_always_inline void
 virtio_dev_tx(struct virtio_net* dev, struct rte_mempool *mbuf_pool)
 {
 	struct rte_mbuf m;
diff --git a/examples/vhost_xen/xenstore_parse.c b/examples/vhost_xen/xenstore_parse.c
index 26d24320..ab089f1b 100644
--- a/examples/vhost_xen/xenstore_parse.c
+++ b/examples/vhost_xen/xenstore_parse.c
@@ -293,7 +293,7 @@ err:
 }
 
 /*
- * This function maps grant node of vring or mbuf pool to a continous virtual address space,
+ * This function maps grant node of vring or mbuf pool to a continuous virtual address space,
  * and returns mapped address, pfn array, index array
  * @param gntnode
  *  Pointer to grant node
@@ -460,7 +460,7 @@ cleanup_mempool(struct xen_mempool *mempool)
 
 /*
  * process mempool node idx#_mempool_gref, idx = 0, 1, 2...
- * untill we encounter a node that doesn't exist.
+ * until we encounter a node that doesn't exist.
  */
 int
 parse_mempoolnode(struct xen_guest *guest)