diff options
Diffstat (limited to 'tap.c')
| -rw-r--r-- | tap.c | 12 |
1 files changed, 5 insertions, 7 deletions
@@ -45,6 +45,7 @@ #include "checksum.h" #include "util.h" +#include "iov.h" #include "passt.h" #include "arp.h" #include "dhcp.h" @@ -389,6 +390,7 @@ static size_t tap_send_frames_passt(const struct ctx *c, .msg_iov = (void *)iov, .msg_iovlen = n, }; + size_t buf_offset; unsigned int i; ssize_t sent; @@ -397,15 +399,11 @@ static size_t tap_send_frames_passt(const struct ctx *c, return 0; /* Check for any partial frames due to short send */ - for (i = 0; i < n; i++) { - if ((size_t)sent < iov[i].iov_len) - break; - sent -= iov[i].iov_len; - } + i = iov_skip_bytes(iov, n, sent, &buf_offset); - if (i < n && sent) { + if (i < n && buf_offset) { /* A partial frame was sent */ - tap_send_remainder(c, &iov[i], sent); + tap_send_remainder(c, &iov[i], buf_offset); i++; } |