diff options
Diffstat (limited to 'vu_common.c')
| -rw-r--r-- | vu_common.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/vu_common.c b/vu_common.c index ce61fa6..c682498 100644 --- a/vu_common.c +++ b/vu_common.c @@ -293,3 +293,17 @@ err: return -1; } + +/** + * vu_pad() - Pad 802.3 frame to minimum length (60 bytes) if needed + * @iov: Buffer in iovec array where end of 802.3 frame is stored + * @l2len: Layer-2 length already filled in frame + */ +void vu_pad(struct iovec *iov, size_t l2len) +{ + if (l2len >= ETH_ZLEN) + return; + + memset((char *)iov->iov_base + iov->iov_len, 0, ETH_ZLEN - l2len); + iov->iov_len += ETH_ZLEN - l2len; +} |
