[dpdk-dev] [PATCH v3 1/1] vhost_xen: fix compile error in main.c
Bernard Iremonger
bernard.iremonger at intel.com
Sun Nov 1 16:58:57 CET 2015
/examples/vhost_xen/main.c:659:61: error: âas no member named â ata, rte_pktmbuf_data_len(buff));
rte_memcpy((void *)(uintptr_t)buff_addr, (const void*)buff->data, rte_pktmbuf_data_len(buff));
make[1]: *** [main.o] Error 1 ^
make[1]: *** [main.o] Error 1
Signed-off-by: Bernard Iremonger <bernard.iremonger at intel.com>
Acked-by: Acked-by: Konstantin Ananyev <konstantin.ananyev at intel.com>
---
doc/guides/rel_notes/release_2_2.rst | 3 +++
examples/vhost_xen/main.c | 8 +++++---
2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/doc/guides/rel_notes/release_2_2.rst b/doc/guides/rel_notes/release_2_2.rst
index 89e4d58..3745ea2 100644
--- a/doc/guides/rel_notes/release_2_2.rst
+++ b/doc/guides/rel_notes/release_2_2.rst
@@ -92,6 +92,9 @@ Libraries
Examples
~~~~~~~~
+* **vhost_xen: Fixed compile error.**
+
+ Fixed compile error in examples/vhost_xen/main.c
Other
~~~~~
diff --git a/examples/vhost_xen/main.c b/examples/vhost_xen/main.c
index 5d20700..d124be1 100644
--- a/examples/vhost_xen/main.c
+++ b/examples/vhost_xen/main.c
@@ -1,7 +1,7 @@
/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -579,6 +579,7 @@ virtio_dev_rx(struct virtio_net *dev, struct rte_mbuf **pkts, uint32_t count)
uint16_t res_base_idx, res_end_idx;
uint16_t free_entries;
uint8_t success = 0;
+ void *userdata;
LOG_DEBUG(VHOST_DATA, "(%"PRIu64") virtio_dev_rx()\n", dev->device_fh);
vq = dev->virtqueue_rx;
@@ -656,13 +657,14 @@ virtio_dev_rx(struct virtio_net *dev, struct rte_mbuf **pkts, uint32_t count)
vq->used->ring[res_cur_idx & (vq->size - 1)].len = packet_len;
/* Copy mbuf data to buffer */
- rte_memcpy((void *)(uintptr_t)buff_addr, (const void*)buff->data, rte_pktmbuf_data_len(buff));
+ userdata = rte_pktmbuf_mtod(buff, void *);
+ rte_memcpy((void *)(uintptr_t)buff_addr, userdata, rte_pktmbuf_data_len(buff));
res_cur_idx++;
packet_success++;
/* mergeable is disabled then a header is required per buffer. */
- rte_memcpy((void *)(uintptr_t)buff_hdr_addr, (const void*)&virtio_hdr, vq->vhost_hlen);
+ rte_memcpy((void *)(uintptr_t)buff_hdr_addr, (const void *)&virtio_hdr, vq->vhost_hlen);
if (res_cur_idx < res_end_idx) {
/* Prefetch descriptor index. */
rte_prefetch0(&vq->desc[head[packet_success]]);
--
1.9.1
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