| /* |
| * net/dccp/ccids/ccid2.h |
| * |
| * Copyright (c) 2005 Andrea Bittau <a.bittau@cs.ucl.ac.uk> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| #ifndef _DCCP_CCID2_H_ |
| #define _DCCP_CCID2_H_ |
| |
| #include <linux/dccp.h> |
| #include <linux/timer.h> |
| #include <linux/types.h> |
| #include "../ccid.h" |
| |
| struct sock; |
| |
| struct ccid2_seq { |
| u64 ccid2s_seq; |
| unsigned long ccid2s_sent; |
| int ccid2s_acked; |
| struct ccid2_seq *ccid2s_prev; |
| struct ccid2_seq *ccid2s_next; |
| }; |
| |
| /** struct ccid2_hc_tx_sock - CCID2 TX half connection |
| * |
| * @ccid2hctx_ssacks - ACKs recv in slow start |
| * @ccid2hctx_acks - ACKS recv in AI phase |
| * @ccid2hctx_sent - packets sent in this window |
| * @ccid2hctx_lastrtt -time RTT was last measured |
| * @ccid2hctx_arsent - packets sent [ack ratio] |
| * @ccid2hctx_ackloss - ack was lost in this win |
| * @ccid2hctx_rpseq - last consecutive seqno |
| * @ccid2hctx_rpdupack - dupacks since rpseq |
| */ |
| struct ccid2_hc_tx_sock { |
| int ccid2hctx_cwnd; |
| int ccid2hctx_ssacks; |
| int ccid2hctx_acks; |
| unsigned int ccid2hctx_ssthresh; |
| int ccid2hctx_pipe; |
| int ccid2hctx_numdupack; |
| struct ccid2_seq *ccid2hctx_seqbuf; |
| struct ccid2_seq *ccid2hctx_seqh; |
| struct ccid2_seq *ccid2hctx_seqt; |
| long ccid2hctx_rto; |
| long ccid2hctx_srtt; |
| long ccid2hctx_rttvar; |
| int ccid2hctx_sent; |
| unsigned long ccid2hctx_lastrtt; |
| struct timer_list ccid2hctx_rtotimer; |
| unsigned long ccid2hctx_arsent; |
| int ccid2hctx_ackloss; |
| u64 ccid2hctx_rpseq; |
| int ccid2hctx_rpdupack; |
| int ccid2hctx_sendwait; |
| }; |
| |
| struct ccid2_hc_rx_sock { |
| int ccid2hcrx_data; |
| }; |
| |
| static inline struct ccid2_hc_tx_sock *ccid2_hc_tx_sk(const struct sock *sk) |
| { |
| return ccid_priv(dccp_sk(sk)->dccps_hc_tx_ccid); |
| } |
| |
| static inline struct ccid2_hc_rx_sock *ccid2_hc_rx_sk(const struct sock *sk) |
| { |
| return ccid_priv(dccp_sk(sk)->dccps_hc_rx_ccid); |
| } |
| #endif /* _DCCP_CCID2_H_ */ |