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| author | Gerrit Renker <gerrit@erg.abdn.ac.uk> | 2006-11-27 12:31:45 -0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-12-02 21:30:42 -0800 |
| commit | d61c167dd0797a16584f7a922dd5d50efad1d28a (patch) | |
| tree | aeb6fd3b1240a69c1e8ba7c0e859a7fa253f161a | |
| parent | 5e19e3fcd7351de1ca87c4797cca27ba55c7e55e (diff) | |
| download | linux-d61c167dd0797a16584f7a922dd5d50efad1d28a.tar.bz2 | |
[NET]: Add documentation for TFRC structures
This adds documentation for the TFRC structure fields.
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| -rw-r--r-- | include/linux/tfrc.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/include/linux/tfrc.h b/include/linux/tfrc.h index 7dab7831c3cb..31a9b25276fe 100644 --- a/include/linux/tfrc.h +++ b/include/linux/tfrc.h @@ -1,7 +1,8 @@ #ifndef _LINUX_TFRC_H_ #define _LINUX_TFRC_H_ /* - * include/linux/tfrc.h + * TFRC - Data Structures for the TCP-Friendly Rate Control congestion + * control mechanism as specified in RFC 3448. * * Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand. * Copyright (c) 2005 Ian McDonald <iam4@cs.waikato.ac.nz> @@ -13,15 +14,30 @@ * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ - #include <linux/types.h> +/** tfrc_rx_info - TFRC Receiver Data Structure + * + * @tfrcrx_x_recv: receiver estimate of sending rate (3.2.2) + * @tfrcrx_rtt: round-trip-time (communicated by sender) + * @tfrcrx_p: current estimate of loss event rate (3.2.2) + */ struct tfrc_rx_info { __u32 tfrcrx_x_recv; __u32 tfrcrx_rtt; __u32 tfrcrx_p; }; +/** tfrc_tx_info - TFRC Sender Data Structure + * + * @tfrctx_x: computed transmit rate (4.3 (4)) + * @tfrctx_x_recv: receiver estimate of send rate (4.3) + * @tfrctx_x_calc: return value of throughput equation (3.1) + * @tfrctx_rtt: (moving average) estimate of RTT (4.3) + * @tfrctx_p: current loss event rate (5.4) + * @tfrctx_rto: estimate of RTO, equals 4*RTT (4.3) + * @tfrctx_ipi: inter-packet interval (4.6) + */ struct tfrc_tx_info { __u32 tfrctx_x; __u32 tfrctx_x_recv; |