trunklacp.h

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
    1 /*      $OpenBSD: trunklacp.h,v 1.14 2018/08/12 23:50:31 ccardenas Exp $        */
    2 /*      $NetBSD: ieee8023ad_impl.h,v 1.2 2005/12/10 23:21:39 elad Exp $ */
    3 
    4 /*
    5  * Copyright (c)2005 YAMAMOTO Takashi,
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  * $FreeBSD: src/sys/net/ieee8023ad_lacp.h,v 1.11 2008/03/17 01:26:44 thompsa Exp $
   30  */
   31 
   32 #ifndef _NET_TRUNKLACP_H_
   33 #define _NET_TRUNKLACP_H_
   34 
   35 /*
   36  * IEEE802.3 slow protocols (on-wire) definitions.
   37  * XXX should be elsewhere.
   38  */
   39 #define SLOWPROTOCOLS_SUBTYPE_LACP      1
   40 #define SLOWPROTOCOLS_SUBTYPE_MARKER    2
   41 
   42 /*
   43  * default administrative values
   44  */
   45 #define LACP_DEFAULT_MODE               1 /* Active Mode */
   46 #define LACP_DEFAULT_TIMEOUT            0 /* Slow Timeout */
   47 #define LACP_DEFAULT_SYSTEM_PRIO        0x8000 /* Medium Priority */
   48 #define LACP_LOW_SYSTEM_PRIO            0xffff
   49 #define LACP_HIGH_SYSTEM_PRIO           0x0001
   50 #define LACP_DEFAULT_PORT_PRIO          0x8000 /* Medium Priority */
   51 #define LACP_LOW_PORT_PRIO              0xffff
   52 #define LACP_HIGH_PORT_PRIO             0x0001
   53 #define LACP_DEFAULT_IFQ_PRIO           6
   54 
   55 struct slowprothdr {
   56         u_int8_t                sph_subtype;
   57         u_int8_t                sph_version;
   58 } __packed;
   59 
   60 /* TLV on-wire structure. */
   61 struct tlvhdr {
   62         u_int8_t                tlv_type;
   63         u_int8_t                tlv_length;
   64         /* u_int8_t tlv_value[]; */
   65 } __packed;
   66 
   67 /* ... and our implementation. */
   68 #define TLV_SET(tlv, type, length) \
   69         do { \
   70                 (tlv)->tlv_type = (type); \
   71                 (tlv)->tlv_length = sizeof(*tlv) + (length); \
   72         } while (/*CONSTCOND*/0)
   73 
   74 struct tlv_template {
   75         u_int8_t                        tmpl_type;
   76         u_int8_t                        tmpl_length;
   77 };
   78 
   79 struct lacp_systemid {
   80         u_int16_t               lsi_prio;
   81         u_int8_t                lsi_mac[6];
   82 } __packed;
   83 
   84 struct lacp_portid {
   85         u_int16_t               lpi_prio;
   86         u_int16_t               lpi_portno;
   87 } __packed;
   88 
   89 struct lacp_peerinfo {
   90         struct lacp_systemid    lip_systemid;
   91         u_int16_t               lip_key;
   92         struct lacp_portid      lip_portid;
   93         u_int8_t                lip_state;
   94         u_int8_t                lip_resv[3];
   95 } __packed;
   96 
   97 struct lacp_collectorinfo {
   98         u_int16_t               lci_maxdelay;
   99         u_int8_t                lci_resv[12];
  100 } __packed;
  101 
  102 struct lacpdu {
  103         struct ether_header     ldu_eh;
  104         struct slowprothdr      ldu_sph;
  105 
  106         struct tlvhdr           ldu_tlv_actor;
  107         struct lacp_peerinfo    ldu_actor;
  108         struct tlvhdr           ldu_tlv_partner;
  109         struct lacp_peerinfo    ldu_partner;
  110         struct tlvhdr           ldu_tlv_collector;
  111         struct lacp_collectorinfo ldu_collector;
  112         struct tlvhdr           ldu_tlv_term;
  113         u_int8_t                ldu_resv[50];
  114 } __packed;
  115 
  116 /*
  117  * IEEE802.3ad marker protocol (on-wire) definitions.
  118  */
  119 struct lacp_markerinfo {
  120         u_int16_t               mi_rq_port;
  121         u_int8_t                mi_rq_system[ETHER_ADDR_LEN];
  122         u_int32_t               mi_rq_xid;
  123         u_int8_t                mi_pad[2];
  124 } __packed;
  125 
  126 #define LACP_STATE_BITS         \
  127         "\020"                  \
  128         "\001ACTIVITY"          \
  129         "\002TIMEOUT"           \
  130         "\003AGGREGATION"       \
  131         "\004SYNC"              \
  132         "\005COLLECTING"        \
  133         "\006DISTRIBUTING"      \
  134         "\007DEFAULTED"         \
  135         "\010EXPIRED"
  136 
  137 #ifdef _KERNEL
  138 
  139 /*
  140  * IEEE802.3ad LACP implementation details.
  141  */
  142 #define LACP_TIMER_CURRENT_WHILE        0
  143 #define LACP_TIMER_PERIODIC             1
  144 #define LACP_TIMER_WAIT_WHILE           2
  145 #define LACP_NTIMER                     3
  146 
  147 #define LACP_TIMER_ARM(port, timer, val) \
  148         (port)->lp_timer[(timer)] = (val)
  149 #define LACP_TIMER_DISARM(port, timer) \
  150         (port)->lp_timer[(timer)] = 0
  151 #define LACP_TIMER_ISARMED(port, timer) \
  152         ((port)->lp_timer[(timer)] > 0)
  153 
  154 /*
  155  * IEEE802.3ad LACP protocol definitions.
  156  */
  157 #define LACP_STATE_ACTIVITY     (1<<0)
  158 #define LACP_STATE_TIMEOUT      (1<<1)
  159 #define LACP_STATE_AGGREGATION  (1<<2)
  160 #define LACP_STATE_SYNC         (1<<3)
  161 #define LACP_STATE_COLLECTING   (1<<4)
  162 #define LACP_STATE_DISTRIBUTING (1<<5)
  163 #define LACP_STATE_DEFAULTED    (1<<6)
  164 #define LACP_STATE_EXPIRED      (1<<7)
  165 
  166 #define LACP_PORT_NTT           0x00000001
  167 #define LACP_PORT_MARK          0x00000002
  168 
  169 struct markerdu {
  170         struct ether_header     mdu_eh;
  171         struct slowprothdr      mdu_sph;
  172 
  173         struct tlvhdr           mdu_tlv;
  174         struct lacp_markerinfo  mdu_info;
  175         struct tlvhdr           mdu_tlv_term;
  176         u_int8_t                mdu_resv[90];
  177 } __packed;
  178 
  179 #define MARKER_TYPE_INFO        0x01
  180 #define MARKER_TYPE_RESPONSE    0x02
  181 
  182 enum lacp_selected {
  183         LACP_UNSELECTED,
  184         LACP_STANDBY,   /* not used in this implementation */
  185         LACP_SELECTED,
  186 };
  187 
  188 enum lacp_mux_state {
  189         LACP_MUX_DETACHED,
  190         LACP_MUX_WAITING,
  191         LACP_MUX_ATTACHED,
  192         LACP_MUX_COLLECTING,
  193         LACP_MUX_DISTRIBUTING,
  194 };
  195 
  196 #define LACP_MAX_PORTS          32
  197 
  198 struct lacp_portmap {
  199         int                     pm_count;
  200         struct lacp_port        *pm_map[LACP_MAX_PORTS];
  201 };
  202 
  203 struct lacp_port {
  204         TAILQ_ENTRY(lacp_port)  lp_dist_q;
  205         LIST_ENTRY(lacp_port)   lp_next;
  206         struct lacp_softc       *lp_lsc;
  207         struct trunk_port       *lp_trunk;
  208         struct ifnet            *lp_ifp;
  209         struct lacp_peerinfo    lp_partner;
  210         struct lacp_peerinfo    lp_actor;
  211         struct lacp_markerinfo  lp_marker;
  212 #define lp_state        lp_actor.lip_state
  213 #define lp_key          lp_actor.lip_key
  214 #define lp_systemid     lp_actor.lip_systemid
  215         struct timeval          lp_last_lacpdu;
  216         int                     lp_lacpdu_sent;
  217         enum lacp_mux_state     lp_mux_state;
  218         enum lacp_selected      lp_selected;
  219         int                     lp_flags;
  220         u_int                   lp_media; /* XXX redundant */
  221         int                     lp_timer[LACP_NTIMER];
  222         struct mbuf_queue       lp_mq;
  223 
  224         struct lacp_aggregator  *lp_aggregator;
  225 };
  226 
  227 struct lacp_aggregator {
  228         TAILQ_ENTRY(lacp_aggregator)    la_q;
  229         int                     la_refcnt; /* num of ports which selected us */
  230         int                     la_nports; /* num of distributing ports  */
  231         TAILQ_HEAD(, lacp_port) la_ports; /* distributing ports */
  232         struct lacp_peerinfo    la_partner;
  233         struct lacp_peerinfo    la_actor;
  234         int                     la_pending; /* number of ports in wait_while */
  235 };
  236 
  237 struct lacp_admin_def {
  238         u_int8_t                lad_mode; /* active or passive */
  239         u_int8_t                lad_timeout; /* fast or slow */
  240         u_int16_t               lad_prio; /* system priority */
  241         u_int16_t               lad_portprio; /* port priority */
  242         u_int8_t                lad_ifqprio; /* ifq priority */
  243 };
  244 
  245 struct lacp_softc {
  246         struct trunk_softc      *lsc_softc;
  247         struct lacp_aggregator  *lsc_active_aggregator;
  248         TAILQ_HEAD(, lacp_aggregator) lsc_aggregators;
  249         int             lsc_suppress_distributing;
  250         struct timeout          lsc_transit_callout;
  251         struct timeout          lsc_callout;
  252         LIST_HEAD(, lacp_port)  lsc_ports;
  253         struct lacp_portmap     lsc_pmap[2];
  254         volatile u_int          lsc_activemap;
  255         SIPHASH_KEY             lsc_hashkey;
  256         struct task             lsc_input;
  257         struct lacp_admin_def   lsc_admin_defaults;
  258 #define lsc_mode                lsc_admin_defaults.lad_mode
  259 #define lsc_timeout             lsc_admin_defaults.lad_timeout
  260 #define lsc_sys_prio    lsc_admin_defaults.lad_prio
  261 #define lsc_port_prio   lsc_admin_defaults.lad_portprio
  262 #define lsc_ifq_prio    lsc_admin_defaults.lad_ifqprio
  263 };
  264 
  265 #define LACP_TYPE_ACTORINFO     1
  266 #define LACP_TYPE_PARTNERINFO   2
  267 #define LACP_TYPE_COLLECTORINFO 3
  268 
  269 /* timeout values (in sec) */
  270 #define LACP_FAST_PERIODIC_TIME         (1)
  271 #define LACP_SLOW_PERIODIC_TIME         (30)
  272 #define LACP_SHORT_TIMEOUT_TIME         (3 * LACP_FAST_PERIODIC_TIME)
  273 #define LACP_LONG_TIMEOUT_TIME          (3 * LACP_SLOW_PERIODIC_TIME)
  274 #define LACP_CHURN_DETECTION_TIME       (60)
  275 #define LACP_AGGREGATE_WAIT_TIME        (2)
  276 #define LACP_TRANSIT_DELAY              3000    /* in msec */
  277 
  278 #define LACP_STATE_EQ(s1, s2, mask)     \
  279         ((((s1) ^ (s2)) & (mask)) == 0)
  280 
  281 #define LACP_SYS_PRI(peer)      (peer).lip_systemid.lsi_prio
  282 
  283 #define LACP_PORT(_lp)  ((struct lacp_port *)(_lp)->tp_psc)
  284 #define LACP_SOFTC(_sc) ((struct lacp_softc *)(_sc)->tr_psc)
  285 
  286 int             lacp_input(struct trunk_port *, struct mbuf *);
  287 struct trunk_port *lacp_select_tx_port(struct trunk_softc *, struct mbuf *);
  288 int             lacp_attach(struct trunk_softc *);
  289 int             lacp_detach(struct trunk_softc *);
  290 void            lacp_init(struct trunk_softc *);
  291 void            lacp_stop(struct trunk_softc *);
  292 int             lacp_port_create(struct trunk_port *);
  293 void            lacp_port_destroy(struct trunk_port *);
  294 void            lacp_linkstate(struct trunk_port *);
  295 void            lacp_req(struct trunk_softc *, caddr_t);
  296 void            lacp_portreq(struct trunk_port *, caddr_t);
  297 u_int           lacp_port_status(struct trunk_port *);
  298 
  299 /* following constants don't include terminating NUL */
  300 #define LACP_MACSTR_MAX         (2*6 + 5)
  301 #define LACP_SYSTEMPRIOSTR_MAX  (4)
  302 #define LACP_SYSTEMIDSTR_MAX    (LACP_SYSTEMPRIOSTR_MAX + 1 + LACP_MACSTR_MAX)
  303 #define LACP_PORTPRIOSTR_MAX    (4)
  304 #define LACP_PORTNOSTR_MAX      (4)
  305 #define LACP_PORTIDSTR_MAX      (LACP_PORTPRIOSTR_MAX + 1 + LACP_PORTNOSTR_MAX)
  306 #define LACP_KEYSTR_MAX         (4)
  307 #define LACP_PARTNERSTR_MAX     \
  308         (1 + LACP_SYSTEMIDSTR_MAX + 1 + LACP_KEYSTR_MAX + 1 \
  309         + LACP_PORTIDSTR_MAX + 1)
  310 #define LACP_LAGIDSTR_MAX       \
  311         (1 + LACP_PARTNERSTR_MAX + 1 + LACP_PARTNERSTR_MAX + 1)
  312 #define LACP_STATESTR_MAX       (255) /* XXX */
  313 
  314 #endif /* _KERNEL */
  315 
  316 #endif /* _NET_TRUNKLACP_H_ */
Cache object: 8ce187fe0337e7f7faa30db40dd1400e
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.
FreeBSD/Linux Kernel Cross Reference sys/net/trunklacp.h

FreeBSD/Linux Kernel Cross Reference
sys/net/trunklacp.h
