diff options
Diffstat (limited to 'tap.c')
| -rw-r--r-- | tap.c | 14 |
1 files changed, 11 insertions, 3 deletions
@@ -172,11 +172,15 @@ void tap_udp4_send(const struct ctx *c, struct in_addr src, in_port_t sport, struct iphdr *ip4h = tap_push_l2h(c, buf, ETH_P_IP); struct udphdr *uh = tap_push_ip4h(ip4h, src, dst, l4len, IPPROTO_UDP); char *data = (char *)(uh + 1); + const struct iovec iov = { + .iov_base = (void *)in, + .iov_len = dlen + }; uh->source = htons(sport); uh->dest = htons(dport); uh->len = htons(l4len); - csum_udp4(uh, src, dst, in, dlen); + csum_udp4(uh, src, dst, &iov, 1, 0); memcpy(data, in, dlen); tap_send_single(c, buf, dlen + (data - buf)); @@ -247,7 +251,7 @@ static void *tap_push_ip6h(struct ipv6hdr *ip6h, void tap_udp6_send(const struct ctx *c, const struct in6_addr *src, in_port_t sport, const struct in6_addr *dst, in_port_t dport, - uint32_t flow, const void *in, size_t dlen) + uint32_t flow, void *in, size_t dlen) { size_t l4len = dlen + sizeof(struct udphdr); char buf[USHRT_MAX]; @@ -255,11 +259,15 @@ void tap_udp6_send(const struct ctx *c, struct udphdr *uh = tap_push_ip6h(ip6h, src, dst, l4len, IPPROTO_UDP, flow); char *data = (char *)(uh + 1); + const struct iovec iov = { + .iov_base = in, + .iov_len = dlen + }; uh->source = htons(sport); uh->dest = htons(dport); uh->len = htons(l4len); - csum_udp6(uh, src, dst, in, dlen); + csum_udp6(uh, src, dst, &iov, 1, 0); memcpy(data, in, dlen); tap_send_single(c, buf, dlen + (data - buf)); |