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head/sys/netinet/tcp_stacks/rack_bbr_common.h
| Property | Old Value | New Value |
|---|---|---|
| svn:eol-style | null | native \ No newline at end of property |
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| svn:mime-type | null | text/plain \ No newline at end of property |
| #ifndef __pacer_timer_h__ | |||||
| #define __pacer_timer_h__ | |||||
| /*- | |||||
| * Copyright (c) 2017 | |||||
| * Netflix Inc. | |||||
| * All rights reserved. | |||||
| * | |||||
| * Redistribution and use in source and binary forms, with or without | |||||
| * modification, are permitted provided that the following conditions | |||||
| * are met: | |||||
| * 1. Redistributions of source code must retain the above copyright | |||||
| * notice, this list of conditions and the following disclaimer. | |||||
| * 2. Redistributions in binary form must reproduce the above copyright | |||||
| * notice, this list of conditions and the following disclaimer in the | |||||
| * documentation and/or other materials provided with the distribution. | |||||
| * | |||||
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |||||
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |||||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||||
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||||
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||||
| * SUCH DAMAGE. | |||||
| * | |||||
| * __FBSDID("$FreeBSD$"); | |||||
| */ | |||||
| /* Common defines and such used by both RACK and BBR */ | |||||
| /* Special values for mss accounting array */ | |||||
| #define TCP_MSS_ACCT_JUSTRET 0 | |||||
| #define TCP_MSS_ACCT_SNDACK 1 | |||||
| #define TCP_MSS_ACCT_PERSIST 2 | |||||
| #define TCP_MSS_ACCT_ATIMER 60 | |||||
| #define TCP_MSS_ACCT_INPACE 61 | |||||
| #define TCP_MSS_ACCT_LATE 62 | |||||
| #define TCP_MSS_SMALL_SIZE_OFF 63 /* Point where small sizes enter */ | |||||
| #define TCP_MSS_ACCT_SIZE 70 | |||||
| #define TCP_MSS_SMALL_MAX_SIZE_DIV (TCP_MSS_ACCT_SIZE - TCP_MSS_SMALL_SIZE_OFF) | |||||
| /* Magic flags to tell whats cooking on the pacing wheel */ | |||||
| #define PACE_PKT_OUTPUT 0x01 /* Output Packets being paced */ | |||||
| #define PACE_TMR_RACK 0x02 /* RACK timer running */ | |||||
| #define PACE_TMR_TLP 0x04 /* TLP timer running */ | |||||
| #define PACE_TMR_RXT 0x08 /* Retransmit timer running */ | |||||
| #define PACE_TMR_PERSIT 0x10 /* Persists timer running */ | |||||
| #define PACE_TMR_KEEP 0x20 /* Keep alive timer running */ | |||||
| #define PACE_TMR_DELACK 0x40 /* Delayed ack timer running */ | |||||
| #define PACE_TMR_MASK (PACE_TMR_KEEP|PACE_TMR_PERSIT|PACE_TMR_RXT|PACE_TMR_TLP|PACE_TMR_RACK|PACE_TMR_DELACK) | |||||
| /* Magic flags for tracing progress events */ | |||||
| #define PROGRESS_DROP 1 | |||||
| #define PROGRESS_UPDATE 2 | |||||
| #define PROGRESS_CLEAR 3 | |||||
| #define PROGRESS_START 4 | |||||
| /* RTT sample methods */ | |||||
| #define USE_RTT_HIGH 0 | |||||
| #define USE_RTT_LOW 1 | |||||
| #define USE_RTT_AVG 2 | |||||
| #ifdef _KERNEL | |||||
| /* We have only 7 bits in rack so assert its true */ | |||||
| CTASSERT((PACE_TMR_MASK & 0x80) == 0); | |||||
| #endif | |||||
| #endif | |||||