Lines Matching refs:fo
3859 struct tcp_fastopen_request *fo = tp->fastopen_req;
3865 if (!tcp_fastopen_cookie_check(sk, &tp->rx_opt.mss_clamp, &fo->cookie))
3879 space = min_t(size_t, space, fo->size);
3895 space, &fo->data->msg_iter);
3906 skb_zcopy_set(syn_data, fo->uarg, NULL);
3909 if (space == fo->size)
3910 fo->data = NULL;
3911 fo->copied = space;
3929 tp->syn_data = (fo->copied > 0);
3941 if (fo->cookie.len > 0)
3942 fo->cookie.len = 0;
3947 fo->cookie.len = -1; /* Exclude Fast Open option for SYN retries */