Lines Matching defs:ack
211 header_len -= sizeof(hdr->ack);
223 /* send ack with this message */
225 hdr->ack = htonl(seq_recv);
288 __u32 ack;
294 /* ack in different place if S = 0 */
295 ack = GRE_IS_SEQ(header->gre_hd.flags) ? ntohl(header->ack) :
297 if (ack > opt->ack_recv)
298 opt->ack_recv = ack;
300 if (WRAPPED(ack, opt->ack_recv))
301 opt->ack_recv = ack;
303 headersize -= sizeof(header->ack);