net/mlx5: handle Rx CQE compression

[dpdk.git] / lib / librte_vhost / vhost_user / virtio-net-user.c

diff --git a/lib/librte_vhost/vhost_user/virtio-net-user.c b/lib/librte_vhost/vhost_user/virtio-net-user.c
index 64a6ec4..a6a48dc 100644 (file)
--- a/lib/librte_vhost/vhost_user/virtio-net-user.c
+++ b/lib/librte_vhost/vhost_user/virtio-net-user.c
@@ -63,9 +63,10 @@ static uint64_t
 get_blk_size(int fd)
 {
        struct stat stat;
+       int ret;
 
-       fstat(fd, &stat);
-       return (uint64_t)stat.st_blksize;
+       ret = fstat(fd, &stat);
+       return ret == -1 ? (uint64_t)-1 : (uint64_t)stat.st_blksize;
 }
 
 static void
@@ -95,6 +96,10 @@ vhost_backend_cleanup(struct virtio_net *dev)
                free(dev->mem);
                dev->mem = NULL;
        }
+       if (dev->log_addr) {
+               munmap((void *)(uintptr_t)dev->log_addr, dev->log_size);
+               dev->log_addr = 0;
+       }
 }
 
 int
@@ -163,6 +168,11 @@ user_set_mem_table(int vid, struct VhostUserMsg *pmsg)
                 * aligned.
                 */
                alignment = get_blk_size(pmsg->fds[idx]);
+               if (alignment == (uint64_t)-1) {
+                       RTE_LOG(ERR, VHOST_CONFIG,
+                               "couldn't get hugepage size through fstat\n");
+                       goto err_mmap;
+               }
                mapped_size = RTE_ALIGN_CEIL(mapped_size, alignment);
 
                mapped_address = (uint64_t)(uintptr_t)mmap(NULL,
@@ -401,13 +411,21 @@ user_set_log_base(int vid, struct VhostUserMsg *msg)
         * fail when offset is not page size aligned.
         */
        addr = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+       close(fd);
        if (addr == MAP_FAILED) {
                RTE_LOG(ERR, VHOST_CONFIG, "mmap log base failed!\n");
                return -1;
        }
 
-       /* TODO: unmap on stop */
-       dev->log_base = (uint64_t)(uintptr_t)addr + off;
+       /*
+        * Free previously mapped log memory on occasionally
+        * multiple VHOST_USER_SET_LOG_BASE.
+        */
+       if (dev->log_addr) {
+               munmap((void *)(uintptr_t)dev->log_addr, dev->log_size);
+       }
+       dev->log_addr = (uint64_t)(uintptr_t)addr;
+       dev->log_base = dev->log_addr + off;
        dev->log_size = size;
 
        return 0;