Lines Matching refs:icsk_mtup
1762 icsk->icsk_mtup.enabled = net->ipv4.sysctl_tcp_mtu_probing > 1; in tcp_mtup_init()
1763 icsk->icsk_mtup.search_high = tp->rx_opt.mss_clamp + sizeof(struct tcphdr) + in tcp_mtup_init()
1765 icsk->icsk_mtup.search_low = tcp_mss_to_mtu(sk, net->ipv4.sysctl_tcp_base_mss); in tcp_mtup_init()
1766 icsk->icsk_mtup.probe_size = 0; in tcp_mtup_init()
1767 if (icsk->icsk_mtup.enabled) in tcp_mtup_init()
1768 icsk->icsk_mtup.probe_timestamp = tcp_jiffies32; in tcp_mtup_init()
1800 if (icsk->icsk_mtup.search_high > pmtu) in tcp_sync_mss()
1801 icsk->icsk_mtup.search_high = pmtu; in tcp_sync_mss()
1808 if (icsk->icsk_mtup.enabled) in tcp_sync_mss()
1809 mss_now = min(mss_now, tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low)); in tcp_sync_mss()
2274 delta = tcp_jiffies32 - icsk->icsk_mtup.probe_timestamp; in tcp_mtu_check_reprobe()
2279 icsk->icsk_mtup.probe_size = 0; in tcp_mtu_check_reprobe()
2280 icsk->icsk_mtup.search_high = tp->rx_opt.mss_clamp + in tcp_mtu_check_reprobe()
2283 icsk->icsk_mtup.search_low = tcp_mss_to_mtu(sk, mss); in tcp_mtu_check_reprobe()
2286 icsk->icsk_mtup.probe_timestamp = tcp_jiffies32; in tcp_mtu_check_reprobe()
2336 if (likely(!icsk->icsk_mtup.enabled || in tcp_mtu_probe()
2337 icsk->icsk_mtup.probe_size || in tcp_mtu_probe()
2348 probe_size = tcp_mtu_to_mss(sk, (icsk->icsk_mtup.search_high + in tcp_mtu_probe()
2349 icsk->icsk_mtup.search_low) >> 1); in tcp_mtu_probe()
2351 interval = icsk->icsk_mtup.search_high - icsk->icsk_mtup.search_low; in tcp_mtu_probe()
2356 if (probe_size > tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_high) || in tcp_mtu_probe()
2447 icsk->icsk_mtup.probe_size = tcp_mss_to_mtu(sk, nskb->len); in tcp_mtu_probe()
3137 if (icsk->icsk_mtup.probe_size) in __tcp_retransmit_skb()
3138 icsk->icsk_mtup.probe_size = 0; in __tcp_retransmit_skb()