/* Extract info for Tcp socket info provided via netlink. */
static void tcp_illinois_info(struct sock *sk, u32 ext,
struct sk_buff *skb)
{
const struct illinois *ca = (struct illinois *) inet_csk_ca(sk);
if (ext & (1 << (INET_DIAG_VEGASINFO - 1))) {
struct tcpvegas_info info = {
.tcpv_enabled = 1,
.tcpv_rttcnt = ca->cnt_rtt,
.tcpv_minrtt = ca->base_rtt,
};
u64 t = ca->sum_rtt;
do_div(t, ca->cnt_rtt);
info.tcpv_rtt = t;
nla_put(skb, INET_DIAG_VEGASINFO, sizeof(info), &info);
}
}
static struct tcp_congestion_ops tcp_illinois = {
.flags = TCP_CONG_RTT_STAMP,
.init = tcp_illinois_init,
.ssthresh = tcp_illinois_ssthresh,
.min_cwnd = tcp_reno_min_cwnd,
.cong_avoid = tcp_illinois_cong_avoid,
.set_state = tcp_illinois_state,
.get_info = tcp_illinois_info,
.pkts_acked = tcp_illinois_acked,
.owner = THIS_MODULE,
.name = "illinois",
};
static int __init tcp_illinois_register(void)
{
BUILD_BUG_ON(sizeof(struct illinois) > ICSK_CA_PRIV_SIZE);
return tcp_register_congestion_control(&tcp_illinois);
}
/*static void __exit tcp_illinois_unregister(void)
{
tcp_unregister_congestion_control(&tcp_illinois);
}*/
module_init(tcp_illinois_register);
module_exit(tcp_illinois_unregister);
MODULE_AUTHOR("Stephen Hemminger, Shao Liu");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("TCP Illinois");
MODULE_VERSION("1.0");
/* Extract info for Tcp socket info provided via netlink. */
static void tcp_illinois_info(struct sock *sk, u32 ext,
struct sk_buff *skb)
{
const struct illinois *ca = inet_csk_ca(sk);
if (ext & (1 << (INET_DIAG_VEGASINFO - 1))) {
struct tcpvegas_info info = {
.tcpv_enabled = 1,
.tcpv_rttcnt = ca->cnt_rtt,
.tcpv_minrtt = ca->base_rtt,
};
if (info.tcpv_rttcnt > 0) {
u64 t = ca->sum_rtt;
do_div(t, info.tcpv_rttcnt);
info.tcpv_rtt = t;
}
nla_put(skb, INET_DIAG_VEGASINFO, sizeof(info), &info);
}
}
static struct tcp_congestion_ops tcp_illinois __read_mostly = {
.flags = TCP_CONG_RTT_STAMP,
.init = tcp_illinois_init,
.ssthresh = tcp_illinois_ssthresh,
.min_cwnd = tcp_reno_min_cwnd,
.cong_avoid = tcp_illinois_cong_avoid,
.set_state = tcp_illinois_state,
.get_info = tcp_illinois_info,
.pkts_acked = tcp_illinois_acked,
.owner = THIS_MODULE,
.name = "illinois",
};
static int __init tcp_illinois_register(void)
{
BUILD_BUG_ON(sizeof(struct illinois) > ICSK_CA_PRIV_SIZE);
return tcp_register_congestion_control(&tcp_illinois);
}
static void __exit tcp_illinois_unregister(void)
{
tcp_unregister_congestion_control(&tcp_illinois);
}
/* Extract info for Tcp socket info provided via netlink. */
void tcp_vegas_get_info(struct sock *sk, u32 ext, struct sk_buff *skb)
{
const struct vegas *ca = inet_csk_ca(sk);
if (ext & (1 << (INET_DIAG_VEGASINFO - 1))) {
struct tcpvegas_info info = {
.tcpv_enabled = ca->doing_vegas_now,
.tcpv_rttcnt = ca->cntRTT,
.tcpv_rtt = ca->baseRTT,
.tcpv_minrtt = ca->minRTT,
};
nla_put(skb, INET_DIAG_VEGASINFO, sizeof(info), &info);
}
}
EXPORT_SYMBOL_GPL(tcp_vegas_get_info);
static struct tcp_congestion_ops tcp_vegas __read_mostly = {
.flags = TCP_CONG_RTT_STAMP,
.init = tcp_vegas_init,
.ssthresh = tcp_reno_ssthresh,
.cong_avoid = tcp_vegas_cong_avoid,
.min_cwnd = tcp_reno_min_cwnd,
.pkts_acked = tcp_vegas_pkts_acked,
.set_state = tcp_vegas_state,
.cwnd_event = tcp_vegas_cwnd_event,
.get_info = tcp_vegas_get_info,
.owner = THIS_MODULE,
.name = "vegas",
};
static int __init tcp_vegas_register(void)
{
BUILD_BUG_ON(sizeof(struct vegas) > ICSK_CA_PRIV_SIZE);
tcp_register_congestion_control(&tcp_vegas);
return 0;
}
static void __exit tcp_vegas_unregister(void)
{
tcp_unregister_congestion_control(&tcp_vegas);
}
/* Extract info for Tcp socket info provided via netlink. */
static void tcp_westwood_info(struct sock *sk, u32 ext,
struct sk_buff *skb)
{
const struct westwood *ca = inet_csk_ca(sk);
if (ext & (1 << (INET_DIAG_VEGASINFO - 1))) {
struct tcpvegas_info info = {
.tcpv_enabled = 1,
.tcpv_rtt = jiffies_to_usecs(ca->rtt),
.tcpv_minrtt = jiffies_to_usecs(ca->rtt_min),
};
nla_put(skb, INET_DIAG_VEGASINFO, sizeof(info), &info);
}
}
static struct tcp_congestion_ops tcp_westwood = {
.init = tcp_westwood_init,
.ssthresh = tcp_reno_ssthresh,
.cong_avoid = tcp_reno_cong_avoid,
.min_cwnd = tcp_westwood_bw_rttmin,
.cwnd_event = tcp_westwood_event,
.get_info = tcp_westwood_info,
.pkts_acked = tcp_westwood_pkts_acked,
.owner = THIS_MODULE,
.name = "westwood"
};
static int __init tcp_westwood_register(void)
{
BUILD_BUG_ON(sizeof(struct westwood) > ICSK_CA_PRIV_SIZE);
return tcp_register_congestion_control(&tcp_westwood);
}
static void __exit tcp_westwood_unregister(void)
{
tcp_unregister_congestion_control(&tcp_westwood);
}
static int __init tcp_scalable_register(void)
{
return tcp_register_congestion_control(&tcp_scalable);
}
static int __init hstcp_register(void)
{
BUG_ON(sizeof(struct hstcp) > ICSK_CA_PRIV_SIZE);
return tcp_register_congestion_control(&tcp_highspeed);
}
static int __init tcp_vegas_register(void)
{
BUILD_BUG_ON(sizeof(struct vegas) > ICSK_CA_PRIV_SIZE);
tcp_register_congestion_control(&tcp_vegas);
return 0;
}
int tcp_naive_reno_register(void)
{
tcp_register_congestion_control(&tcp_naive_reno);
return 0;
}
static int __init tcp_westwood_register(void)
{
BUILD_BUG_ON(sizeof(struct westwood) > ICSK_CA_PRIV_SIZE);
return tcp_register_congestion_control(&tcp_westwood);
}
static int __init tcp_illinois_register(void)
{
BUILD_BUG_ON(sizeof(struct illinois) > ICSK_CA_PRIV_SIZE);
return tcp_register_congestion_control(&tcp_illinois);
}
static int __init dctcp_register(void)
{
BUILD_BUG_ON(sizeof(struct dctcp) > ICSK_CA_PRIV_SIZE);
return tcp_register_congestion_control(&dctcp);
}
static int __init ctcp_register(void)
{
return tcp_register_congestion_control(&tcp_ctcp);
}
