Lines Matching refs:icsk_mtup
1766 icsk->icsk_mtup.enabled = READ_ONCE(net->ipv4.sysctl_tcp_mtu_probing) > 1;
1767 icsk->icsk_mtup.search_high = tp->rx_opt.mss_clamp + sizeof(struct tcphdr) +
1769 icsk->icsk_mtup.search_low = tcp_mss_to_mtu(sk, READ_ONCE(net->ipv4.sysctl_tcp_base_mss));
1770 icsk->icsk_mtup.probe_size = 0;
1771 if (icsk->icsk_mtup.enabled)
1772 icsk->icsk_mtup.probe_timestamp = tcp_jiffies32;
1804 if (icsk->icsk_mtup.search_high > pmtu)
1805 icsk->icsk_mtup.search_high = pmtu;
1812 if (icsk->icsk_mtup.enabled)
1813 mss_now = min(mss_now, tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low));
2290 delta = tcp_jiffies32 - icsk->icsk_mtup.probe_timestamp;
2295 icsk->icsk_mtup.probe_size = 0;
2296 icsk->icsk_mtup.search_high = tp->rx_opt.mss_clamp +
2299 icsk->icsk_mtup.search_low = tcp_mss_to_mtu(sk, mss);
2302 icsk->icsk_mtup.probe_timestamp = tcp_jiffies32;
2403 if (likely(!icsk->icsk_mtup.enabled ||
2404 icsk->icsk_mtup.probe_size ||
2415 probe_size = tcp_mtu_to_mss(sk, (icsk->icsk_mtup.search_high +
2416 icsk->icsk_mtup.search_low) >> 1);
2418 interval = icsk->icsk_mtup.search_high - icsk->icsk_mtup.search_low;
2423 if (probe_size > tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_high) ||
2516 icsk->icsk_mtup.probe_size = tcp_mss_to_mtu(sk, nskb->len);
3260 if (icsk->icsk_mtup.probe_size)
3261 icsk->icsk_mtup.probe_size = 0;