Lines Matching defs:fo

3980 	struct tcp_fastopen_request *fo = tp->fastopen_req;
3986 	if (!tcp_fastopen_cookie_check(sk, &tp->rx_opt.mss_clamp, &fo->cookie))
4000 	space = min_t(size_t, space, fo->size);
4016 					    space, &fo->data->msg_iter);
4027 		skb_zcopy_set(syn_data, fo->uarg, NULL);
4030 	if (space == fo->size)
4031 		fo->data = NULL;
4032 	fo->copied = space;
4050 		tp->syn_data = (fo->copied > 0);
4062 	if (fo->cookie.len > 0)
4063 		fo->cookie.len = 0;
4068 	fo->cookie.len = -1;  /* Exclude Fast Open option for SYN retries */