diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/skbuff.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index a2a0bdb95a8f..e5eae5bc1d4d 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -235,11 +235,13 @@ enum { /* * The callback notifies userspace to release buffers when skb DMA is done in * lower device, the skb last reference should be 0 when calling this. + * The zerocopy_success argument is true if zero copy transmit occurred, + * false on data copy or out of memory error caused by data copy attempt. * The ctx field is used to track device context. * The desc field is used to track userspace buffer index. */ struct ubuf_info { - void (*callback)(struct ubuf_info *); + void (*callback)(struct ubuf_info *, bool zerocopy_success); void *ctx; unsigned long desc; }; |