diff options
Diffstat (limited to 'freebsd/sys/net/altq/altq_cdnr.h')
| -rw-r--r-- | freebsd/sys/net/altq/altq_cdnr.h | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/freebsd/sys/net/altq/altq_cdnr.h b/freebsd/sys/net/altq/altq_cdnr.h new file mode 100644 index 00000000..06fa9c98 --- /dev/null +++ b/freebsd/sys/net/altq/altq_cdnr.h @@ -0,0 +1,336 @@ +/*- + * Copyright (C) 1999-2002 + * Sony Computer Science Laboratories 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 SONY CSL 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 SONY CSL 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. + * + * $KAME: altq_cdnr.h,v 1.9 2003/07/10 12:07:48 kjc Exp $ + * $FreeBSD$ + */ + +#ifndef _ALTQ_ALTQ_CDNR_H_ +#define _ALTQ_ALTQ_CDNR_H_ + +#include <net/altq/altq.h> + +/* + * traffic conditioner element types + */ +#define TCETYPE_NONE 0 +#define TCETYPE_TOP 1 /* top level conditioner */ +#define TCETYPE_ELEMENT 2 /* a simple tc element */ +#define TCETYPE_TBMETER 3 /* token bucket meter */ +#define TCETYPE_TRTCM 4 /* (two-rate) three color marker */ +#define TCETYPE_TSWTCM 5 /* time sliding window 3-color maker */ + +/* + * traffic conditioner action + */ +struct cdnr_block; + +struct tc_action { + int tca_code; /* e.g., TCACODE_PASS */ + /* tca_code dependent variable */ + union { + u_long un_value; /* template */ + u_int8_t un_dscp; /* diffserv code point */ + u_long un_handle; /* tc action handle */ + struct cdnr_block *un_next; /* next tc element block */ + } tca_un; +}; +#define tca_value tca_un.un_value +#define tca_dscp tca_un.un_dscp +#define tca_handle tca_un.un_handle +#define tca_next tca_un.un_next + +#define TCACODE_NONE 0 /* action is not set */ +#define TCACODE_PASS 1 /* pass this packet */ +#define TCACODE_DROP 2 /* discard this packet */ +#define TCACODE_RETURN 3 /* do not process this packet */ +#define TCACODE_MARK 4 /* mark dscp */ +#define TCACODE_HANDLE 5 /* take action specified by handle */ +#define TCACODE_NEXT 6 /* take action in the next tc element */ +#define TCACODE_MAX 6 + +#define CDNR_NULL_HANDLE 0 + +struct cdnr_interface { + char cdnr_ifname[IFNAMSIZ]; /* interface name (e.g., fxp0) */ +}; + +/* simple element operations */ +struct cdnr_add_element { + struct cdnr_interface iface; + struct tc_action action; + + u_long cdnr_handle; /* return value */ +}; + +struct cdnr_delete_element { + struct cdnr_interface iface; + u_long cdnr_handle; +}; + +/* token-bucket meter operations */ +struct cdnr_add_tbmeter { + struct cdnr_interface iface; + struct tb_profile profile; + struct tc_action in_action; + struct tc_action out_action; + + u_long cdnr_handle; /* return value */ +}; + +struct cdnr_modify_tbmeter { + struct cdnr_interface iface; + u_long cdnr_handle; + struct tb_profile profile; +}; + +struct cdnr_tbmeter_stats { + struct cdnr_interface iface; + u_long cdnr_handle; + struct pktcntr in_cnt; + struct pktcntr out_cnt; +}; + +/* two-rate three-color marker operations */ +struct cdnr_add_trtcm { + struct cdnr_interface iface; + struct tb_profile cmtd_profile; /* profile for committed tb */ + struct tb_profile peak_profile; /* profile for peak tb */ + struct tc_action green_action; /* action for green packets */ + struct tc_action yellow_action; /* action for yellow packets */ + struct tc_action red_action; /* action for red packets */ + int coloraware; /* color-aware/color-blind */ + + u_long cdnr_handle; /* return value */ +}; + +struct cdnr_modify_trtcm { + struct cdnr_interface iface; + u_long cdnr_handle; + struct tb_profile cmtd_profile; /* profile for committed tb */ + struct tb_profile peak_profile; /* profile for peak tb */ + int coloraware; /* color-aware/color-blind */ +}; + +struct cdnr_tcm_stats { + struct cdnr_interface iface; + u_long cdnr_handle; + struct pktcntr green_cnt; + struct pktcntr yellow_cnt; + struct pktcntr red_cnt; +}; + +/* time sliding window three-color marker operations */ +struct cdnr_add_tswtcm { + struct cdnr_interface iface; + u_int32_t cmtd_rate; /* committed rate (bits/sec) */ + u_int32_t peak_rate; /* peak rate (bits/sec) */ + u_int32_t avg_interval; /* averaging interval (msec) */ + struct tc_action green_action; /* action for green packets */ + struct tc_action yellow_action; /* action for yellow packets */ + struct tc_action red_action; /* action for red packets */ + + u_long cdnr_handle; /* return value */ +}; + +struct cdnr_modify_tswtcm { + struct cdnr_interface iface; + u_long cdnr_handle; + u_int32_t cmtd_rate; /* committed rate (bits/sec) */ + u_int32_t peak_rate; /* peak rate (bits/sec) */ + u_int32_t avg_interval; /* averaging interval (msec) */ +}; + +struct cdnr_add_filter { + struct cdnr_interface iface; + u_long cdnr_handle; +#ifdef ALTQ3_CLFIER_COMPAT + struct flow_filter filter; +#endif + u_long filter_handle; /* return value */ +}; + +struct cdnr_delete_filter { + struct cdnr_interface iface; + u_long filter_handle; +}; + +struct tce_stats { + u_long tce_handle; /* tc element handle */ + int tce_type; /* e.g., TCETYPE_ELEMENT */ + struct pktcntr tce_cnts[3]; /* tcm returns 3 counters */ +}; + +struct cdnr_get_stats { + struct cdnr_interface iface; + struct pktcntr cnts[TCACODE_MAX+1]; + + /* element stats */ + int nskip; /* skip # of elements */ + int nelements; /* # of element stats (WR) */ + struct tce_stats *tce_stats; /* pointer to stats array */ +}; + +#define CDNR_IF_ATTACH _IOW('Q', 1, struct cdnr_interface) +#define CDNR_IF_DETACH _IOW('Q', 2, struct cdnr_interface) +#define CDNR_ENABLE _IOW('Q', 3, struct cdnr_interface) +#define CDNR_DISABLE _IOW('Q', 4, struct cdnr_interface) +#define CDNR_ADD_FILTER _IOWR('Q', 10, struct cdnr_add_filter) +#define CDNR_DEL_FILTER _IOW('Q', 11, struct cdnr_delete_filter) +#define CDNR_GETSTATS _IOWR('Q', 12, struct cdnr_get_stats) +#define CDNR_ADD_ELEM _IOWR('Q', 30, struct cdnr_add_element) +#define CDNR_DEL_ELEM _IOW('Q', 31, struct cdnr_delete_element) +#define CDNR_ADD_TBM _IOWR('Q', 32, struct cdnr_add_tbmeter) +#define CDNR_MOD_TBM _IOW('Q', 33, struct cdnr_modify_tbmeter) +#define CDNR_TBM_STATS _IOWR('Q', 34, struct cdnr_tbmeter_stats) +#define CDNR_ADD_TCM _IOWR('Q', 35, struct cdnr_add_trtcm) +#define CDNR_MOD_TCM _IOWR('Q', 36, struct cdnr_modify_trtcm) +#define CDNR_TCM_STATS _IOWR('Q', 37, struct cdnr_tcm_stats) +#define CDNR_ADD_TSW _IOWR('Q', 38, struct cdnr_add_tswtcm) +#define CDNR_MOD_TSW _IOWR('Q', 39, struct cdnr_modify_tswtcm) + +#ifndef DSCP_EF +/* diffserve code points */ +#define DSCP_MASK 0xfc +#define DSCP_CUMASK 0x03 +#define DSCP_EF 0xb8 +#define DSCP_AF11 0x28 +#define DSCP_AF12 0x30 +#define DSCP_AF13 0x38 +#define DSCP_AF21 0x48 +#define DSCP_AF22 0x50 +#define DSCP_AF23 0x58 +#define DSCP_AF31 0x68 +#define DSCP_AF32 0x70 +#define DSCP_AF33 0x78 +#define DSCP_AF41 0x88 +#define DSCP_AF42 0x90 +#define DSCP_AF43 0x98 +#define AF_CLASSMASK 0xe0 +#define AF_DROPPRECMASK 0x18 +#endif + +#ifdef _KERNEL + +/* + * packet information passed to the input function of tc elements + */ +struct cdnr_pktinfo { + int pkt_len; /* packet length */ + u_int8_t pkt_dscp; /* diffserv code point */ +}; + +/* + * traffic conditioner control block common to all types of tc elements + */ +struct cdnr_block { + LIST_ENTRY(cdnr_block) cb_next; + int cb_len; /* size of this tc element */ + int cb_type; /* cdnr block type */ + int cb_ref; /* reference count of this element */ + u_long cb_handle; /* handle of this tc element */ + struct top_cdnr *cb_top; /* back pointer to top */ + struct tc_action cb_action; /* top level action for this tcb */ + struct tc_action *(*cb_input)(struct cdnr_block *, + struct cdnr_pktinfo *); +}; + +/* + * top level traffic conditioner structure for an interface + */ +struct top_cdnr { + struct cdnr_block tc_block; + + LIST_ENTRY(top_cdnr) tc_next; + struct ifaltq *tc_ifq; + + LIST_HEAD(, cdnr_block) tc_elements; +#ifdef ALTQ3_CLFIER_COMPAT + struct acc_classifier tc_classifier; +#endif + struct pktcntr tc_cnts[TCACODE_MAX+1]; +}; + +/* token bucket element */ +struct tbe { + u_int64_t rate; + u_int64_t depth; + + u_int64_t token; + u_int64_t filluptime; + u_int64_t last; +}; + +/* token bucket meter structure */ +struct tbmeter { + struct cdnr_block cdnrblk; /* conditioner block */ + struct tbe tb; /* token bucket */ + struct tc_action in_action; /* actions for IN/OUT */ + struct tc_action out_action; /* actions for IN/OUT */ + struct pktcntr in_cnt; /* statistics for IN/OUT */ + struct pktcntr out_cnt; /* statistics for IN/OUT */ +}; + +/* two-rate three-color marker structure */ +struct trtcm { + struct cdnr_block cdnrblk; /* conditioner block */ + struct tbe cmtd_tb; /* committed tb profile */ + struct tbe peak_tb; /* peak tb profile */ + struct tc_action green_action; + struct tc_action yellow_action; + struct tc_action red_action; + int coloraware; + u_int8_t green_dscp; + u_int8_t yellow_dscp; + u_int8_t red_dscp; + struct pktcntr green_cnt; + struct pktcntr yellow_cnt; + struct pktcntr red_cnt; +}; + +/* time sliding window three-color marker structure */ +struct tswtcm { + struct cdnr_block cdnrblk; /* conditioner block */ + + u_int32_t avg_rate; /* average rate (bytes/sec) */ + u_int64_t t_front; /* timestamp of last update */ + + u_int64_t timewin; /* average interval */ + u_int32_t cmtd_rate; /* committed target rate */ + u_int32_t peak_rate; /* peak target rate */ + struct tc_action green_action; + struct tc_action yellow_action; + struct tc_action red_action; + u_int8_t green_dscp; + u_int8_t yellow_dscp; + u_int8_t red_dscp; + struct pktcntr green_cnt; + struct pktcntr yellow_cnt; + struct pktcntr red_cnt; +}; + +#endif /* _KERNEL */ + +#endif /* _ALTQ_ALTQ_CDNR_H_ */ |