+static int udp_check_eof(size_t sz, struct iovec iov[2])
+{
+ if (sz < FEC_EOF_PACKET_LEN)
+ return 0;
+ if (iov[0].iov_len >= FEC_EOF_PACKET_LEN) {
+ if (memcmp(iov[0].iov_base, FEC_EOF_PACKET,
+ FEC_EOF_PACKET_LEN) != 0)
+ return 0;
+ return -E_RECV_EOF;
+ }
+ if (memcmp(iov[0].iov_base, FEC_EOF_PACKET, iov[0].iov_len) != 0)
+ return 0;
+ if (memcmp(iov[1].iov_base, FEC_EOF_PACKET + iov[0].iov_len,
+ FEC_EOF_PACKET_LEN - iov[0].iov_len) != 0)
+ return 0;
+ return -E_RECV_EOF;
+}
+
+static int udp_recv_post_select(__a_unused struct sched *s, struct task *t)