[dpdk-dev] [PATCH] vhost: fix remove macro name conflict

[Tomasz Kulasek]

LOG_DEBUG is a symbol defined by POSIX, so if sys/log.h is
included the symbols conflict.

This patch changes LOG_DEBUG to VHOST_LOG_DEBUG.

Fixes: 1c01d52392d5 ("vhost: add debug print")
Cc: huawei.xie at intel.com
Cc: stable at dpdk.org

Signed-off-by: Ben Walker <benjamin.walker at intel.com>
Signed-off-by: Tomasz Kulasek <tomaszx.kulasek at intel.com>
---
 lib/librte_vhost/vhost.h      | 13 +++++++------
 lib/librte_vhost/vhost_user.c | 10 +++++-----
 lib/librte_vhost/virtio_net.c | 16 ++++++++--------
 3 files changed, 20 insertions(+), 19 deletions(-)

diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index d947bc9e3..319cc6620 100644
--- a/lib/librte_vhost/vhost.h
+++ b/lib/librte_vhost/vhost.h
@@ -296,8 +296,9 @@ vhost_log_used_vring(struct virtio_net *dev, struct vhost_virtqueue *vq,
 
 #ifdef RTE_LIBRTE_VHOST_DEBUG
 #define VHOST_MAX_PRINT_BUFF 6072
-#define LOG_LEVEL RTE_LOG_DEBUG
-#define LOG_DEBUG(log_type, fmt, args...) RTE_LOG(DEBUG, log_type, fmt, ##args)
+#define VHOST_LOG_LEVEL RTE_LOG_DEBUG
+#define VHOST_LOG_DEBUG(log_type, fmt, args...) \
+	RTE_LOG(DEBUG, log_type, fmt, ##args)
 #define PRINT_PACKET(device, addr, size, header) do { \
 	char *pkt_addr = (char *)(addr); \
 	unsigned int index; \
@@ -313,11 +314,11 @@ vhost_log_used_vring(struct virtio_net *dev, struct vhost_virtqueue *vq,
 	} \
 	snprintf(packet + strnlen(packet, VHOST_MAX_PRINT_BUFF), VHOST_MAX_PRINT_BUFF - strnlen(packet, VHOST_MAX_PRINT_BUFF), "\n"); \
 	\
-	LOG_DEBUG(VHOST_DATA, "%s", packet); \
+	VHOST_LOG_DEBUG(VHOST_DATA, "%s", packet); \
 } while (0)
 #else
-#define LOG_LEVEL RTE_LOG_INFO
-#define LOG_DEBUG(log_type, fmt, args...) do {} while (0)
+#define VHOST_LOG_LEVEL RTE_LOG_INFO
+#define VHOST_LOG_DEBUG(log_type, fmt, args...) do {} while (0)
 #define PRINT_PACKET(device, addr, size, header) do {} while (0)
 #endif
 
@@ -411,7 +412,7 @@ vhost_vring_call(struct virtio_net *dev, struct vhost_virtqueue *vq)
 		uint16_t old = vq->signalled_used;
 		uint16_t new = vq->last_used_idx;
 
-		LOG_DEBUG(VHOST_DATA, "%s: used_event_idx=%d, old=%d, new=%d\n",
+		VHOST_LOG_DEBUG(VHOST_DATA, "%s: used_event_idx=%d, old=%d, new=%d\n",
 			__func__,
 			vhost_used_event(vq),
 			old, new);
diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 65ee33919..dc38cdeb2 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -181,7 +181,7 @@ vhost_user_set_features(struct virtio_net *dev, uint64_t features)
 	} else {
 		dev->vhost_hlen = sizeof(struct virtio_net_hdr);
 	}
-	LOG_DEBUG(VHOST_CONFIG,
+	VHOST_LOG_DEBUG(VHOST_CONFIG,
 		"(%d) mergeable RX buffers %s, virtio 1 %s\n",
 		dev->vid,
 		(dev->features & (1 << VIRTIO_NET_F_MRG_RXBUF)) ? "on" : "off",
@@ -461,13 +461,13 @@ translate_ring_addresses(struct virtio_net *dev, int vq_index)
 
 	vq->log_guest_addr = addr->log_guest_addr;
 
-	LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address desc: %p\n",
+	VHOST_LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address desc: %p\n",
 			dev->vid, vq->desc);
-	LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address avail: %p\n",
+	VHOST_LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address avail: %p\n",
 			dev->vid, vq->avail);
-	LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address used: %p\n",
+	VHOST_LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address used: %p\n",
 			dev->vid, vq->used);
-	LOG_DEBUG(VHOST_CONFIG, "(%d) log_guest_addr: %" PRIx64 "\n",
+	VHOST_LOG_DEBUG(VHOST_CONFIG, "(%d) log_guest_addr: %" PRIx64 "\n",
 			dev->vid, vq->log_guest_addr);
 
 	return dev;
diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index 700aca7ce..ed7198dbb 100644
--- a/lib/librte_vhost/virtio_net.c
+++ b/lib/librte_vhost/virtio_net.c
@@ -295,7 +295,7 @@ virtio_dev_rx(struct virtio_net *dev, uint16_t queue_id,
 	uint16_t used_idx;
 	uint32_t i, sz;
 
-	LOG_DEBUG(VHOST_DATA, "(%d) %s\n", dev->vid, __func__);
+	VHOST_LOG_DEBUG(VHOST_DATA, "(%d) %s\n", dev->vid, __func__);
 	if (unlikely(!is_valid_virt_queue_idx(queue_id, 0, dev->nr_vring))) {
 		RTE_LOG(ERR, VHOST_DATA, "(%d) %s: invalid virtqueue idx %d.\n",
 			dev->vid, __func__, queue_id);
@@ -327,7 +327,7 @@ virtio_dev_rx(struct virtio_net *dev, uint16_t queue_id,
 	if (count == 0)
 		goto out;
 
-	LOG_DEBUG(VHOST_DATA, "(%d) start_idx %d | end_idx %d\n",
+	VHOST_LOG_DEBUG(VHOST_DATA, "(%d) start_idx %d | end_idx %d\n",
 		dev->vid, start_idx, start_idx + count);
 
 	vq->batch_copy_nb_elems = 0;
@@ -524,7 +524,7 @@ copy_mbuf_to_desc_mergeable(struct virtio_net *dev, struct vhost_virtqueue *vq,
 	hdr_phys_addr = buf_vec[vec_idx].buf_addr;
 	rte_prefetch0((void *)(uintptr_t)hdr_addr);
 
-	LOG_DEBUG(VHOST_DATA, "(%d) RX: num merge buffers %d\n",
+	VHOST_LOG_DEBUG(VHOST_DATA, "(%d) RX: num merge buffers %d\n",
 		dev->vid, num_buffers);
 
 	desc_avail  = buf_vec[vec_idx].buf_len - dev->vhost_hlen;
@@ -620,7 +620,7 @@ virtio_dev_merge_rx(struct virtio_net *dev, uint16_t queue_id,
 	struct buf_vector buf_vec[BUF_VECTOR_MAX];
 	uint16_t avail_head;
 
-	LOG_DEBUG(VHOST_DATA, "(%d) %s\n", dev->vid, __func__);
+	VHOST_LOG_DEBUG(VHOST_DATA, "(%d) %s\n", dev->vid, __func__);
 	if (unlikely(!is_valid_virt_queue_idx(queue_id, 0, dev->nr_vring))) {
 		RTE_LOG(ERR, VHOST_DATA, "(%d) %s: invalid virtqueue idx %d.\n",
 			dev->vid, __func__, queue_id);
@@ -657,14 +657,14 @@ virtio_dev_merge_rx(struct virtio_net *dev, uint16_t queue_id,
 		if (unlikely(reserve_avail_buf_mergeable(dev, vq,
 						pkt_len, buf_vec, &num_buffers,
 						avail_head) < 0)) {
-			LOG_DEBUG(VHOST_DATA,
+			VHOST_LOG_DEBUG(VHOST_DATA,
 				"(%d) failed to get enough desc from vring\n",
 				dev->vid);
 			vq->shadow_used_idx -= num_buffers;
 			break;
 		}
 
-		LOG_DEBUG(VHOST_DATA, "(%d) current index %d | end index %d\n",
+		VHOST_LOG_DEBUG(VHOST_DATA, "(%d) current index %d | end index %d\n",
 			dev->vid, vq->last_avail_idx,
 			vq->last_avail_idx + num_buffers);
 
@@ -1224,7 +1224,7 @@ rte_vhost_dequeue_burst(int vid, uint16_t queue_id,
 	if (free_entries == 0)
 		goto out;
 
-	LOG_DEBUG(VHOST_DATA, "(%d) %s\n", dev->vid, __func__);
+	VHOST_LOG_DEBUG(VHOST_DATA, "(%d) %s\n", dev->vid, __func__);
 
 	/* Prefetch available and used ring */
 	avail_idx = vq->last_avail_idx & (vq->size - 1);
@@ -1234,7 +1234,7 @@ rte_vhost_dequeue_burst(int vid, uint16_t queue_id,
 
 	count = RTE_MIN(count, MAX_PKT_BURST);
 	count = RTE_MIN(count, free_entries);
-	LOG_DEBUG(VHOST_DATA, "(%d) about to dequeue %u buffers\n",
+	VHOST_LOG_DEBUG(VHOST_DATA, "(%d) about to dequeue %u buffers\n",
 			dev->vid, count);
 
 	/* Retrieve all of the head indexes first to avoid caching issues. */
-- 
2.14.1