[Midnightbsd-cvs] src [9114] trunk/sys/netinet: remove toecore patch for now.
laffer1 at midnightbsd.org
laffer1 at midnightbsd.org
Sat Oct 1 20:06:53 EDT 2016
Revision: 9114
http://svnweb.midnightbsd.org/src/?rev=9114
Author: laffer1
Date: 2016-10-01 20:06:52 -0400 (Sat, 01 Oct 2016)
Log Message:
-----------
remove toecore patch for now.
Added Paths:
-----------
trunk/sys/netinet/toedev.h
Removed Paths:
-------------
trunk/sys/netinet/toecore.c
trunk/sys/netinet/toecore.h
Deleted: trunk/sys/netinet/toecore.c
===================================================================
--- trunk/sys/netinet/toecore.c 2016-10-02 00:05:04 UTC (rev 9113)
+++ trunk/sys/netinet/toecore.c 2016-10-02 00:06:52 UTC (rev 9114)
@@ -1,646 +0,0 @@
-/*-
- * Copyright (c) 2012 Chelsio Communications, Inc.
- * All rights reserved.
- * Written by: Navdeep Parhar <np at FreeBSD.org>
- *
- * 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 AUTHOR 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 AUTHOR 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: release/9.2.0/sys/netinet/toecore.c 252555 2013-07-03 09:25:29Z np $");
-
-#include "opt_inet.h"
-#include "opt_inet6.h"
-
-#include <sys/param.h>
-#include <sys/kernel.h>
-#include <sys/systm.h>
-#include <sys/mbuf.h>
-#include <sys/module.h>
-#include <sys/types.h>
-#include <sys/sockopt.h>
-#include <sys/sysctl.h>
-#include <sys/socket.h>
-
-#include <net/ethernet.h>
-#include <net/if.h>
-#include <net/if_types.h>
-#include <net/if_vlan_var.h>
-#include <net/if_llatbl.h>
-#include <net/route.h>
-
-#include <netinet/if_ether.h>
-#include <netinet/in.h>
-#include <netinet/in_pcb.h>
-#include <netinet/in_var.h>
-#include <netinet6/in6_var.h>
-#include <netinet6/in6_pcb.h>
-#include <netinet6/nd6.h>
-#define TCPSTATES
-#include <netinet/tcp.h>
-#include <netinet/tcp_fsm.h>
-#include <netinet/tcp_timer.h>
-#include <netinet/tcp_var.h>
-#include <netinet/tcp_syncache.h>
-#include <netinet/tcp_offload.h>
-#include <netinet/toecore.h>
-
-static struct mtx toedev_lock;
-static TAILQ_HEAD(, toedev) toedev_list;
-static eventhandler_tag listen_start_eh;
-static eventhandler_tag listen_stop_eh;
-static eventhandler_tag lle_event_eh;
-static eventhandler_tag route_redirect_eh;
-
-static int
-toedev_connect(struct toedev *tod __unused, struct socket *so __unused,
- struct rtentry *rt __unused, struct sockaddr *nam __unused)
-{
-
- return (ENOTSUP);
-}
-
-static int
-toedev_listen_start(struct toedev *tod __unused, struct tcpcb *tp __unused)
-{
-
- return (ENOTSUP);
-}
-
-static int
-toedev_listen_stop(struct toedev *tod __unused, struct tcpcb *tp __unused)
-{
-
- return (ENOTSUP);
-}
-
-static void
-toedev_input(struct toedev *tod __unused, struct tcpcb *tp __unused,
- struct mbuf *m)
-{
-
- m_freem(m);
- return;
-}
-
-static void
-toedev_rcvd(struct toedev *tod __unused, struct tcpcb *tp __unused)
-{
-
- return;
-}
-
-static int
-toedev_output(struct toedev *tod __unused, struct tcpcb *tp __unused)
-{
-
- return (ENOTSUP);
-}
-
-static void
-toedev_pcb_detach(struct toedev *tod __unused, struct tcpcb *tp __unused)
-{
-
- return;
-}
-
-static void
-toedev_l2_update(struct toedev *tod __unused, struct ifnet *ifp __unused,
- struct sockaddr *sa __unused, uint8_t *lladdr __unused,
- uint16_t vtag __unused)
-{
-
- return;
-}
-
-static void
-toedev_route_redirect(struct toedev *tod __unused, struct ifnet *ifp __unused,
- struct rtentry *rt0 __unused, struct rtentry *rt1 __unused)
-{
-
- return;
-}
-
-static void
-toedev_syncache_added(struct toedev *tod __unused, void *ctx __unused)
-{
-
- return;
-}
-
-static void
-toedev_syncache_removed(struct toedev *tod __unused, void *ctx __unused)
-{
-
- return;
-}
-
-static int
-toedev_syncache_respond(struct toedev *tod __unused, void *ctx __unused,
- struct mbuf *m)
-{
-
- m_freem(m);
- return (0);
-}
-
-static void
-toedev_offload_socket(struct toedev *tod __unused, void *ctx __unused,
- struct socket *so __unused)
-{
-
- return;
-}
-
-static void
-toedev_ctloutput(struct toedev *tod __unused, struct tcpcb *tp __unused,
- int sopt_dir __unused, int sopt_name __unused)
-{
-
- return;
-}
-
-/*
- * Inform one or more TOE devices about a listening socket.
- */
-static void
-toe_listen_start(struct inpcb *inp, void *arg)
-{
- struct toedev *t, *tod;
- struct tcpcb *tp;
-
- INP_WLOCK_ASSERT(inp);
- KASSERT(inp->inp_pcbinfo == &V_tcbinfo,
- ("%s: inp is not a TCP inp", __func__));
-
- if (inp->inp_flags & (INP_DROPPED | INP_TIMEWAIT))
- return;
-
- tp = intotcpcb(inp);
- if (tp->t_state != TCPS_LISTEN)
- return;
-
- t = arg;
- mtx_lock(&toedev_lock);
- TAILQ_FOREACH(tod, &toedev_list, link) {
- if (t == NULL || t == tod)
- tod->tod_listen_start(tod, tp);
- }
- mtx_unlock(&toedev_lock);
-}
-
-static void
-toe_listen_start_event(void *arg __unused, struct tcpcb *tp)
-{
- struct inpcb *inp = tp->t_inpcb;
-
- INP_WLOCK_ASSERT(inp);
- KASSERT(tp->t_state == TCPS_LISTEN,
- ("%s: t_state %s", __func__, tcpstates[tp->t_state]));
-
- toe_listen_start(inp, NULL);
-}
-
-static void
-toe_listen_stop_event(void *arg __unused, struct tcpcb *tp)
-{
- struct toedev *tod;
-#ifdef INVARIANTS
- struct inpcb *inp = tp->t_inpcb;
-#endif
-
- INP_WLOCK_ASSERT(inp);
- KASSERT(tp->t_state == TCPS_LISTEN,
- ("%s: t_state %s", __func__, tcpstates[tp->t_state]));
-
- mtx_lock(&toedev_lock);
- TAILQ_FOREACH(tod, &toedev_list, link)
- tod->tod_listen_stop(tod, tp);
- mtx_unlock(&toedev_lock);
-}
-
-/*
- * Fill up a freshly allocated toedev struct with reasonable defaults.
- */
-void
-init_toedev(struct toedev *tod)
-{
-
- tod->tod_softc = NULL;
-
- /*
- * Provide no-op defaults so that the kernel can call any toedev
- * function without having to check whether the TOE driver supplied one
- * or not.
- */
- tod->tod_connect = toedev_connect;
- tod->tod_listen_start = toedev_listen_start;
- tod->tod_listen_stop = toedev_listen_stop;
- tod->tod_input = toedev_input;
- tod->tod_rcvd = toedev_rcvd;
- tod->tod_output = toedev_output;
- tod->tod_send_rst = toedev_output;
- tod->tod_send_fin = toedev_output;
- tod->tod_pcb_detach = toedev_pcb_detach;
- tod->tod_l2_update = toedev_l2_update;
- tod->tod_route_redirect = toedev_route_redirect;
- tod->tod_syncache_added = toedev_syncache_added;
- tod->tod_syncache_removed = toedev_syncache_removed;
- tod->tod_syncache_respond = toedev_syncache_respond;
- tod->tod_offload_socket = toedev_offload_socket;
- tod->tod_ctloutput = toedev_ctloutput;
-}
-
-/*
- * Register an active TOE device with the system. This allows it to receive
- * notifications from the kernel.
- */
-int
-register_toedev(struct toedev *tod)
-{
- struct toedev *t;
-
- mtx_lock(&toedev_lock);
- TAILQ_FOREACH(t, &toedev_list, link) {
- if (t == tod) {
- mtx_unlock(&toedev_lock);
- return (EEXIST);
- }
- }
-
- TAILQ_INSERT_TAIL(&toedev_list, tod, link);
- registered_toedevs++;
- mtx_unlock(&toedev_lock);
-
- inp_apply_all(toe_listen_start, tod);
-
- return (0);
-}
-
-/*
- * Remove the TOE device from the global list of active TOE devices. It is the
- * caller's responsibility to ensure that the TOE device is quiesced prior to
- * this call.
- */
-int
-unregister_toedev(struct toedev *tod)
-{
- struct toedev *t, *t2;
- int rc = ENODEV;
-
- mtx_lock(&toedev_lock);
- TAILQ_FOREACH_SAFE(t, &toedev_list, link, t2) {
- if (t == tod) {
- TAILQ_REMOVE(&toedev_list, tod, link);
- registered_toedevs--;
- rc = 0;
- break;
- }
- }
- KASSERT(registered_toedevs >= 0,
- ("%s: registered_toedevs (%d) < 0", __func__, registered_toedevs));
- mtx_unlock(&toedev_lock);
- return (rc);
-}
-
-void
-toe_syncache_add(struct in_conninfo *inc, struct tcpopt *to, struct tcphdr *th,
- struct inpcb *inp, void *tod, void *todctx)
-{
- struct socket *lso = inp->inp_socket;
-
- INP_INFO_WLOCK_ASSERT(&V_tcbinfo);
- INP_WLOCK_ASSERT(inp);
-
- tcp_offload_syncache_add(inc, to, th, inp, &lso, tod, todctx);
-}
-
-int
-toe_syncache_expand(struct in_conninfo *inc, struct tcpopt *to,
- struct tcphdr *th, struct socket **lsop)
-{
-
- INP_INFO_WLOCK_ASSERT(&V_tcbinfo);
-
- return (syncache_expand(inc, to, th, lsop, NULL));
-}
-
-/*
- * General purpose check to see if a 4-tuple is in use by the kernel. If a TCP
- * header (presumably for an incoming SYN) is also provided, an existing 4-tuple
- * in TIME_WAIT may be assassinated freeing it up for re-use.
- *
- * Note that the TCP header must have been run through tcp_fields_to_host() or
- * equivalent.
- */
-int
-toe_4tuple_check(struct in_conninfo *inc, struct tcphdr *th, struct ifnet *ifp)
-{
- struct inpcb *inp;
-
- if (inc->inc_flags & INC_ISIPV6) {
- inp = in6_pcblookup(&V_tcbinfo, &inc->inc6_faddr,
- inc->inc_fport, &inc->inc6_laddr, inc->inc_lport,
- INPLOOKUP_WLOCKPCB, ifp);
- } else {
- inp = in_pcblookup(&V_tcbinfo, inc->inc_faddr, inc->inc_fport,
- inc->inc_laddr, inc->inc_lport, INPLOOKUP_WLOCKPCB, ifp);
- }
- if (inp != NULL) {
- INP_WLOCK_ASSERT(inp);
-
- if ((inp->inp_flags & INP_TIMEWAIT) && th != NULL) {
-
- INP_INFO_WLOCK_ASSERT(&V_tcbinfo); /* for twcheck */
- if (!tcp_twcheck(inp, NULL, th, NULL, 0))
- return (EADDRINUSE);
- } else {
- INP_WUNLOCK(inp);
- return (EADDRINUSE);
- }
- }
-
- return (0);
-}
-
-static void
-toe_lle_event(void *arg __unused, struct llentry *lle, int evt)
-{
- struct toedev *tod;
- struct ifnet *ifp;
- struct sockaddr *sa;
- uint8_t *lladdr;
- uint16_t vtag;
-
- LLE_WLOCK_ASSERT(lle);
-
- ifp = lle->lle_tbl->llt_ifp;
- sa = L3_ADDR(lle);
-
- KASSERT(sa->sa_family == AF_INET || sa->sa_family == AF_INET6,
- ("%s: lle_event %d for lle %p but sa %p !INET && !INET6",
- __func__, evt, lle, sa));
-
- /*
- * Not interested if the interface's TOE capability is not enabled.
- */
- if ((sa->sa_family == AF_INET && !(ifp->if_capenable & IFCAP_TOE4)) ||
- (sa->sa_family == AF_INET6 && !(ifp->if_capenable & IFCAP_TOE6)))
- return;
-
- tod = TOEDEV(ifp);
- if (tod == NULL)
- return;
-
- vtag = 0xfff;
- if (evt != LLENTRY_RESOLVED) {
-
- /*
- * LLENTRY_TIMEDOUT, LLENTRY_DELETED, LLENTRY_EXPIRED all mean
- * this entry is going to be deleted.
- */
-
- lladdr = NULL;
- } else {
-
- KASSERT(lle->la_flags & LLE_VALID,
- ("%s: %p resolved but not valid?", __func__, lle));
-
- lladdr = (uint8_t *)&lle->ll_addr;
-#ifdef VLAN_TAG
- VLAN_TAG(ifp, &vtag);
-#endif
- }
-
- tod->tod_l2_update(tod, ifp, sa, lladdr, vtag);
-}
-
-/*
- * XXX: implement.
- */
-static void
-toe_route_redirect_event(void *arg __unused, struct rtentry *rt0,
- struct rtentry *rt1, struct sockaddr *sa)
-{
-
- return;
-}
-
-#ifdef INET6
-/*
- * XXX: no checks to verify that sa is really a neighbor because we assume it is
- * the result of a route lookup and is on-link on the given ifp.
- */
-static int
-toe_nd6_resolve(struct ifnet *ifp, struct sockaddr *sa, uint8_t *lladdr)
-{
- struct llentry *lle;
- struct sockaddr_in6 *sin6 = (void *)sa;
- int rc, flags = 0;
-
-restart:
- IF_AFDATA_RLOCK(ifp);
- lle = lla_lookup(LLTABLE6(ifp), flags, sa);
- IF_AFDATA_RUNLOCK(ifp);
- if (lle == NULL) {
- IF_AFDATA_LOCK(ifp);
- lle = nd6_lookup(&sin6->sin6_addr, ND6_CREATE | ND6_EXCLUSIVE,
- ifp);
- IF_AFDATA_UNLOCK(ifp);
- if (lle == NULL)
- return (ENOMEM); /* Couldn't create entry in cache. */
- lle->ln_state = ND6_LLINFO_INCOMPLETE;
- nd6_llinfo_settimer_locked(lle,
- (long)ND_IFINFO(ifp)->retrans * hz / 1000);
- LLE_WUNLOCK(lle);
-
- nd6_ns_output(ifp, NULL, &sin6->sin6_addr, NULL, 0);
-
- return (EWOULDBLOCK);
- }
-
- if (lle->ln_state == ND6_LLINFO_STALE) {
- if ((flags & LLE_EXCLUSIVE) == 0) {
- LLE_RUNLOCK(lle);
- flags |= LLE_EXCLUSIVE;
- goto restart;
- }
-
- LLE_WLOCK_ASSERT(lle);
-
- lle->la_asked = 0;
- lle->ln_state = ND6_LLINFO_DELAY;
- nd6_llinfo_settimer_locked(lle, (long)V_nd6_delay * hz);
- }
-
- if (lle->la_flags & LLE_VALID) {
- memcpy(lladdr, &lle->ll_addr, ifp->if_addrlen);
- rc = 0;
- } else
- rc = EWOULDBLOCK;
-
- if (flags & LLE_EXCLUSIVE)
- LLE_WUNLOCK(lle);
- else
- LLE_RUNLOCK(lle);
-
- return (rc);
-}
-#endif
-
-/*
- * Returns 0 or EWOULDBLOCK on success (any other value is an error). 0 means
- * lladdr and vtag are valid on return, EWOULDBLOCK means the TOE driver's
- * tod_l2_update will be called later, when the entry is resolved or times out.
- */
-int
-toe_l2_resolve(struct toedev *tod, struct ifnet *ifp, struct sockaddr *sa,
- uint8_t *lladdr, uint16_t *vtag)
-{
-#ifdef INET
- struct llentry *lle;
-#endif
- int rc;
-
- switch (sa->sa_family) {
-#ifdef INET
- case AF_INET:
- rc = arpresolve(ifp, NULL, NULL, sa, lladdr, &lle);
- break;
-#endif
-#ifdef INET6
- case AF_INET6:
- rc = toe_nd6_resolve(ifp, sa, lladdr);
- break;
-#endif
- default:
- return (EPROTONOSUPPORT);
- }
-
- if (rc == 0) {
-#ifdef VLAN_TAG
- if (VLAN_TAG(ifp, vtag) != 0)
-#endif
- *vtag = 0xfff;
- }
-
- return (rc);
-}
-
-void
-toe_connect_failed(struct toedev *tod, struct inpcb *inp, int err)
-{
-
- INP_WLOCK_ASSERT(inp);
-
- if (!(inp->inp_flags & INP_DROPPED)) {
- struct tcpcb *tp = intotcpcb(inp);
-
- KASSERT(tp->t_flags & TF_TOE,
- ("%s: tp %p not offloaded.", __func__, tp));
-
- if (err == EAGAIN) {
-
- /*
- * Temporary failure during offload, take this PCB back.
- * Detach from the TOE driver and do the rest of what
- * TCP's pru_connect would have done if the connection
- * wasn't offloaded.
- */
-
- tod->tod_pcb_detach(tod, tp);
- KASSERT(!(tp->t_flags & TF_TOE),
- ("%s: tp %p still offloaded.", __func__, tp));
- tcp_timer_activate(tp, TT_KEEP, TP_KEEPINIT(tp));
- (void) tcp_output(tp);
- } else {
-
- INP_INFO_WLOCK_ASSERT(&V_tcbinfo);
- tp = tcp_drop(tp, err);
- if (tp == NULL)
- INP_WLOCK(inp); /* re-acquire */
- }
- }
- INP_WLOCK_ASSERT(inp);
-}
-
-static int
-toecore_load(void)
-{
-
- mtx_init(&toedev_lock, "toedev lock", NULL, MTX_DEF);
- TAILQ_INIT(&toedev_list);
-
- listen_start_eh = EVENTHANDLER_REGISTER(tcp_offload_listen_start,
- toe_listen_start_event, NULL, EVENTHANDLER_PRI_ANY);
- listen_stop_eh = EVENTHANDLER_REGISTER(tcp_offload_listen_stop,
- toe_listen_stop_event, NULL, EVENTHANDLER_PRI_ANY);
- lle_event_eh = EVENTHANDLER_REGISTER(lle_event, toe_lle_event, NULL,
- EVENTHANDLER_PRI_ANY);
- route_redirect_eh = EVENTHANDLER_REGISTER(route_redirect_event,
- toe_route_redirect_event, NULL, EVENTHANDLER_PRI_ANY);
-
- return (0);
-}
-
-static int
-toecore_unload(void)
-{
-
- mtx_lock(&toedev_lock);
- if (!TAILQ_EMPTY(&toedev_list)) {
- mtx_unlock(&toedev_lock);
- return (EBUSY);
- }
-
- EVENTHANDLER_DEREGISTER(tcp_offload_listen_start, listen_start_eh);
- EVENTHANDLER_DEREGISTER(tcp_offload_listen_stop, listen_stop_eh);
- EVENTHANDLER_DEREGISTER(lle_event, lle_event_eh);
- EVENTHANDLER_DEREGISTER(route_redirect_event, route_redirect_eh);
-
- mtx_unlock(&toedev_lock);
- mtx_destroy(&toedev_lock);
-
- return (0);
-}
-
-static int
-toecore_mod_handler(module_t mod, int cmd, void *arg)
-{
-
- if (cmd == MOD_LOAD)
- return (toecore_load());
-
- if (cmd == MOD_UNLOAD)
- return (toecore_unload());
-
- return (EOPNOTSUPP);
-}
-
-static moduledata_t mod_data= {
- "toecore",
- toecore_mod_handler,
- 0
-};
-
-MODULE_VERSION(toecore, 1);
-DECLARE_MODULE(toecore, mod_data, SI_SUB_EXEC, SI_ORDER_ANY);
Deleted: trunk/sys/netinet/toecore.h
===================================================================
--- trunk/sys/netinet/toecore.h 2016-10-02 00:05:04 UTC (rev 9113)
+++ trunk/sys/netinet/toecore.h 2016-10-02 00:06:52 UTC (rev 9114)
@@ -1,130 +0,0 @@
-/*-
- * Copyright (c) 2012 Chelsio Communications, 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 AUTHOR 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 AUTHOR 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.
- *
- * $FreeBSD: release/9.2.0/sys/netinet/toecore.h 252555 2013-07-03 09:25:29Z np $
- */
-
-#ifndef _NETINET_TOE_H_
-#define _NETINET_TOE_H_
-
-#ifndef _KERNEL
-#error "no user-serviceable parts inside"
-#endif
-
-struct tcpopt;
-struct tcphdr;
-struct in_conninfo;
-
-struct toedev {
- TAILQ_ENTRY(toedev) link; /* glue for toedev_list */
- void *tod_softc; /* TOE driver private data */
-
- /*
- * Active open. If a failure occurs, it is reported back by the driver
- * via toe_connect_failed.
- */
- int (*tod_connect)(struct toedev *, struct socket *, struct rtentry *,
- struct sockaddr *);
-
- /* Passive open. */
- int (*tod_listen_start)(struct toedev *, struct tcpcb *);
- int (*tod_listen_stop)(struct toedev *, struct tcpcb *);
-
- /*
- * The kernel uses this routine to pass on any frame it receives for an
- * offloaded connection to the TOE driver. This is an unusual event.
- */
- void (*tod_input)(struct toedev *, struct tcpcb *, struct mbuf *);
-
- /*
- * This is called by the kernel during pru_rcvd for an offloaded TCP
- * connection and provides an opportunity for the TOE driver to manage
- * its rx window and credits.
- */
- void (*tod_rcvd)(struct toedev *, struct tcpcb *);
-
- /*
- * Transmit routine. The kernel calls this to have the TOE driver
- * evaluate whether there is data to be transmitted, and transmit it.
- */
- int (*tod_output)(struct toedev *, struct tcpcb *);
-
- /* Immediate teardown: send RST to peer. */
- int (*tod_send_rst)(struct toedev *, struct tcpcb *);
-
- /* Initiate orderly disconnect by sending FIN to the peer. */
- int (*tod_send_fin)(struct toedev *, struct tcpcb *);
-
- /* Called to indicate that the kernel is done with this TCP PCB. */
- void (*tod_pcb_detach)(struct toedev *, struct tcpcb *);
-
- /*
- * The kernel calls this once it has information about an L2 entry that
- * the TOE driver enquired about previously (via toe_l2_resolve).
- */
- void (*tod_l2_update)(struct toedev *, struct ifnet *,
- struct sockaddr *, uint8_t *, uint16_t);
-
- /* XXX. Route has been redirected. */
- void (*tod_route_redirect)(struct toedev *, struct ifnet *,
- struct rtentry *, struct rtentry *);
-
- /* Syncache interaction. */
- void (*tod_syncache_added)(struct toedev *, void *);
- void (*tod_syncache_removed)(struct toedev *, void *);
- int (*tod_syncache_respond)(struct toedev *, void *, struct mbuf *);
- void (*tod_offload_socket)(struct toedev *, void *, struct socket *);
-
- /* TCP socket option */
- void (*tod_ctloutput)(struct toedev *, struct tcpcb *, int, int);
-};
-
-#include <sys/eventhandler.h>
-typedef void (*tcp_offload_listen_start_fn)(void *, struct tcpcb *);
-typedef void (*tcp_offload_listen_stop_fn)(void *, struct tcpcb *);
-EVENTHANDLER_DECLARE(tcp_offload_listen_start, tcp_offload_listen_start_fn);
-EVENTHANDLER_DECLARE(tcp_offload_listen_stop, tcp_offload_listen_stop_fn);
-
-void init_toedev(struct toedev *);
-int register_toedev(struct toedev *);
-int unregister_toedev(struct toedev *);
-
-/*
- * General interface for looking up L2 information for an IP address. If an
- * answer is not available right away then the TOE driver's tod_l2_update will
- * be called later.
- */
-int toe_l2_resolve(struct toedev *, struct ifnet *, struct sockaddr *,
- uint8_t *, uint16_t *);
-
-void toe_connect_failed(struct toedev *, struct inpcb *, int);
-
-void toe_syncache_add(struct in_conninfo *, struct tcpopt *, struct tcphdr *,
- struct inpcb *, void *, void *);
-int toe_syncache_expand(struct in_conninfo *, struct tcpopt *, struct tcphdr *,
- struct socket **);
-
-int toe_4tuple_check(struct in_conninfo *, struct tcphdr *, struct ifnet *);
-#endif
Added: trunk/sys/netinet/toedev.h
===================================================================
--- trunk/sys/netinet/toedev.h (rev 0)
+++ trunk/sys/netinet/toedev.h 2016-10-02 00:06:52 UTC (rev 9114)
@@ -0,0 +1,162 @@
+/*-
+ * Copyright (c) 2007, Chelsio 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. Neither the name of the Chelsio Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
+ *
+ * $MidnightBSD$
+ */
+
+#ifndef _NETINET_TOEDEV_H_
+#define _NETINET_TOEDEV_H_
+
+#ifndef _KERNEL
+#error "no user-serviceable parts inside"
+#endif
+
+extern uint32_t toedev_registration_count;
+
+/* Parameter values for offload_get_phys_egress(). */
+enum {
+ TOE_OPEN,
+ TOE_FAILOVER,
+};
+
+/* Parameter values for toe_failover(). */
+enum {
+ TOE_ACTIVE_SLAVE,
+ TOE_LINK_DOWN,
+ TOE_LINK_UP,
+ TOE_RELEASE,
+ TOE_RELEASE_ALL,
+};
+
+#define TOENAMSIZ 16
+
+/* Get the toedev associated with a ifnet. */
+#define TOEDEV(ifp) ((ifp)->if_llsoftc)
+
+struct offload_id {
+ unsigned int id;
+ unsigned long data;
+};
+
+struct ifnet;
+struct rt_entry;
+struct tom_info;
+struct sysctl_oid;
+struct socket;
+struct mbuf;
+
+struct toedev {
+ TAILQ_ENTRY(toedev) entry;
+ char tod_name[TOENAMSIZ]; /* TOE device name */
+ unsigned int tod_ttid; /* TOE type id */
+ unsigned long tod_flags; /* device flags */
+ unsigned int tod_mtu; /* max TX offloaded data */
+ unsigned int tod_nconn; /* max # of offloaded
+ * connections
+ */
+ struct ifnet *tod_lldev; /* first interface */
+ const struct tom_info *tod_offload_mod; /* TCP offload module */
+
+ /*
+ * This TOE device is capable of offloading the connection for socket so
+ */
+ int (*tod_can_offload)(struct toedev *dev, struct socket *so);
+
+ /*
+ * Establish a connection to nam using the TOE device dev
+ */
+ int (*tod_connect)(struct toedev *dev, struct socket *so,
+ struct rtentry *rt, struct sockaddr *nam);
+ /*
+ * Send an mbuf down to the toe device
+ */
+ int (*tod_send)(struct toedev *dev, struct mbuf *m);
+ /*
+ * Receive an array of mbufs from the TOE device dev
+ */
+ int (*tod_recv)(struct toedev *dev, struct mbuf **m, int n);
+ /*
+ * Device specific ioctl interface
+ */
+ int (*tod_ctl)(struct toedev *dev, unsigned int req, void *data);
+ /*
+ * Update L2 entry in toedev
+ */
+ void (*tod_arp_update)(struct toedev *dev, struct rtentry *neigh);
+ /*
+ * Failover from one toe device to another
+ */
+ void (*tod_failover)(struct toedev *dev, struct ifnet *bond_ifp,
+ struct ifnet *ndev, int event);
+ void *tod_priv; /* driver private data */
+ void *tod_l2opt; /* optional layer 2 data */
+ void *tod_l3opt; /* optional layer 3 data */
+ void *tod_l4opt; /* optional layer 4 data */
+ void *tod_ulp; /* upper lever protocol */
+};
+
+struct tom_info {
+ TAILQ_ENTRY(tom_info) entry;
+ int (*ti_attach)(struct toedev *dev,
+ const struct offload_id *entry);
+ int (*ti_detach)(struct toedev *dev);
+ const char *ti_name;
+ const struct offload_id *ti_id_table;
+};
+
+static __inline void
+init_offload_dev(struct toedev *dev)
+{
+}
+
+int register_tom(struct tom_info *t);
+int unregister_tom(struct tom_info *t);
+int register_toedev(struct toedev *dev, const char *name);
+int unregister_toedev(struct toedev *dev);
+int activate_offload(struct toedev *dev);
+int toe_send(struct toedev *dev, struct mbuf *m);
+void toe_arp_update(struct rtentry *rt);
+struct ifnet *offload_get_phys_egress(struct ifnet *ifp,
+ struct socket *so, int context);
+int toe_receive_mbuf(struct toedev *dev, struct mbuf **m, int n);
+
+static __inline void
+toe_neigh_update(struct ifnet *ifp)
+{
+}
+
+static __inline void
+toe_failover(struct ifnet *bond_ifp, struct ifnet *fail_ifp, int event)
+{
+}
+
+static __inline int
+toe_enslave(struct ifnet *bond_ifp, struct ifnet *slave_ifp)
+{
+ return (0);
+}
+
+#endif /* _NETINET_TOEDEV_H_ */
Property changes on: trunk/sys/netinet/toedev.h
___________________________________________________________________
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: svn:keywords
## -0,0 +1 ##
+MidnightBSD=%H
\ No newline at end of property
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property
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