cd->w_max = w_max;
tc->ssthresh = clib_max (tc->cwnd * beta_cubic, 2 * tc->snd_mss);
+
+ tc->cwnd = tc->ssthresh;
+ if (!tcp_opts_sack_permitted (&tc->rcv_opts))
+ tc->cwnd += 3 * tc->snd_mss;
}
static void
}
tcp_cc_init_congestion (tc);
- tcp_cc_rcv_cong_ack (tc, TCP_CC_DUPACK, rs);
if (tcp_opts_sack_permitted (&tc->rcv_opts))
- {
- tc->cwnd = tc->ssthresh;
- scoreboard_init_high_rxt (&tc->sack_sb, tc->snd_una);
- }
- else
- {
- /* Post retransmit update cwnd to ssthresh and account for the
- * three segments that have left the network and should've been
- * buffered at the receiver XXX */
- tc->cwnd = tc->ssthresh + 3 * tc->snd_mss;
- }
+ scoreboard_init_high_rxt (&tc->sack_sb, tc->snd_una);
/* Constrain rate until we get a partial ack */
pacer_wnd = clib_max (0.1 * tc->cwnd, 2 * tc->snd_mss);
newreno_congestion (tcp_connection_t * tc)
{
tc->ssthresh = clib_max (tcp_flight_size (tc) / 2, 2 * tc->snd_mss);
+ tc->cwnd = tc->ssthresh;
+ /* Post retransmit update cwnd to ssthresh and account for the
+ * three segments that have left the network and should've been
+ * buffered at the receiver XXX */
+ if (!tcp_opts_sack_permitted (&tc->rcv_opts))
+ tc->cwnd += 3 * tc->snd_mss;
}
static void