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Fix style issues with initial TCP offload commit

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Requested by: rwatson
Submitted by: rwatson
This commit is contained in:
Kip Macy 2007-12-12 23:31:49 +00:00
parent 8e7e854cd6
commit 76b262c426
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=174560
5 changed files with 215 additions and 200 deletions
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90
sys/netinet/tcp_ofld.c
View File

@ -1,31 +1,29 @@
/**************************************************************************
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.
***************************************************************************/
/*-
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
@ -58,69 +56,73 @@ ofld_connect(struct socket *so, struct sockaddr *nam)
struct ifnet *ifp;
struct toedev *tdev;
struct rtentry *rt;
int err;
int error;
rt = rtalloc1(nam, 1, 0);
if (rt)
RT_UNLOCK(rt);
else
return (EHOSTUNREACH);
ifp = rt->rt_ifp;
tdev = TOEDEV(ifp);
if (tdev == NULL)
if (tdev == NULL)
return (EINVAL);
if (tdev->can_offload(tdev, so) == 0)
if (tdev->tod_can_offload(tdev, so) == 0)
return (EINVAL);
if ((err = tdev->connect(tdev, so, ifp)))
return (err);
if ((error = tdev->tod_connect(tdev, so, ifp)))
return (error);
return (0);
}
int
ofld_send(struct tcpcb *tp)
{
return tp->t_tu->tu_send(tp);
return (tp->t_tu->tu_send(tp));
}
int
ofld_rcvd(struct tcpcb *tp)
{
return tp->t_tu->tu_rcvd(tp);
return (tp->t_tu->tu_rcvd(tp));
}
int
ofld_disconnect(struct tcpcb *tp)
{
return tp->t_tu->tu_disconnect(tp);
return (tp->t_tu->tu_disconnect(tp));
}
int
ofld_abort(struct tcpcb *tp)
{
return tp->t_tu->tu_abort(tp);
return (tp->t_tu->tu_abort(tp));
}
void
ofld_detach(struct tcpcb *tp)
{
{
tp->t_tu->tu_detach(tp);
}
void
ofld_listen_open(struct tcpcb *tp)
{
EVENTHANDLER_INVOKE(ofld_listen, OFLD_LISTEN_OPEN, tp);
}
void
ofld_listen_close(struct tcpcb *tp)
{
EVENTHANDLER_INVOKE(ofld_listen, OFLD_LISTEN_CLOSE, tp);
}

133
sys/netinet/tcp_ofld.h
View File

@ -1,64 +1,65 @@
/**************************************************************************
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.
$FreeBSD$
***************************************************************************/
/*-
* 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.
*
* $FreeBSD$
*/
#ifndef _NETINET_TCP_OFLD_H_
#define _NETINET_TCP_OFLD_H_
#define _NETINET_TCP_OFLD_H_
#ifndef _KERNEL
#error "no user-serviceable parts inside"
#endif
#define SC_ENTRY_PRESENT 1
#define SC_DROP 2
#define tp_offload(tp) ((tp)->t_flags & TF_TOE)
#define SO_OFFLOADABLE(so) ((so->so_options & SO_NOOFFLOAD) == 0)
#define tp_offload(tp) ((tp)->t_flags & TF_TOE)
#define SO_OFFLOADABLE(so) ((so->so_options & SO_NOOFFLOAD) == 0)
int ofld_connect(struct socket *so, struct sockaddr *nam);
int ofld_can_offload(struct tcpcb *tp, struct sockaddr *nam);
int ofld_connect(struct socket *so, struct sockaddr *nam);
int ofld_can_offload(struct tcpcb *tp, struct sockaddr *nam);
int ofld_send(struct tcpcb *tp);
int ofld_rcvd(struct tcpcb *tp);
int ofld_disconnect(struct tcpcb *tp);
int ofld_abort(struct tcpcb *tp);
void ofld_detach(struct tcpcb *tp);
void ofld_listen_open(struct tcpcb *tp);
void ofld_listen_close(struct tcpcb *tp);
int ofld_abort(struct tcpcb *tp);
int ofld_disconnect(struct tcpcb *tp);
int ofld_send(struct tcpcb *tp);
int ofld_rcvd(struct tcpcb *tp);
void ofld_detach(struct tcpcb *tp);
void ofld_listen_close(struct tcpcb *tp);
void ofld_listen_open(struct tcpcb *tp);
#ifndef DISABLE_TCP_OFFLOAD
static __inline int
tcp_gen_connect(struct socket *so, struct sockaddr *nam)
{
int error;
struct tcpcb *tp = sototcpcb(so);
int error;
if (!SO_OFFLOADABLE(so) || (error = ofld_connect(so, nam)) != 0)
error = tcp_output(tp);
return (error);
}
@ -71,7 +72,6 @@ tcp_gen_disconnect(struct tcpcb *tp)
error = ofld_disconnect(tp);
else
error = tcp_output(tp);
return (error);
}
@ -84,7 +84,6 @@ tcp_gen_abort(struct tcpcb *tp)
error = ofld_abort(tp);
else
error = tcp_output(tp);
return (error);
}
@ -97,7 +96,6 @@ tcp_gen_send(struct tcpcb *tp)
error = ofld_send(tp);
else
error = tcp_output(tp);
return (error);
}
@ -110,13 +108,13 @@ tcp_gen_rcvd(struct tcpcb *tp)
error = ofld_rcvd(tp);
else
error = tcp_output(tp);
return (error);
}
static __inline void
tcp_gen_listen_open(struct tcpcb *tp)
{
if (SO_OFFLOADABLE(tp->t_inpcb->inp_socket))
ofld_listen_open(tp);
}
@ -139,44 +137,52 @@ tcp_gen_detach(struct tcpcb *tp)
static __inline int
tcp_gen_connect(struct socket *so, struct sockaddr *nam)
{
return tcp_output(tp);
return (tcp_output(tp));
}
static __inline int
tcp_gen_disconnect(struct tcpcb *tp)
{
return tcp_output(tp);
return (tcp_output(tp));
}
static __inline int
tcp_gen_abort(struct tcpcb *tp)
{
return tcp_output(tp);
return (tcp_output(tp));
}
static __inline int
tcp_gen_send(struct tcpcb *tp)
{
return tcp_output(tp);
return (tcp_output(tp));
}
static __inline int
tcp_gen_rcvd(struct tcpcb *tp)
{
return tcp_output(tp);
return (tcp_output(tp));
}
static __inline void
tcp_gen_listen_open(struct tcpcb *tp) {}
tcp_gen_listen_open(struct tcpcb *tp)
{
}
static __inline void
tcp_gen_listen_close(struct tcpcb *tp) {}
tcp_gen_listen_close(struct tcpcb *tp)
{
}
static __inline void
tcp_gen_detach(struct tcpcb *tp) {}
tcp_gen_detach(struct tcpcb *tp)
{
}
#endif
@ -187,12 +193,11 @@ struct toe_usrreqs {
int (*tu_abort)(struct tcpcb *tp);
void (*tu_detach)(struct tcpcb *tp);
void (*tu_syncache_event)(int event, void *toep);
};
#define OFLD_LISTEN_OPEN 1
#define OFLD_LISTEN_CLOSE 2
typedef void (*ofld_listen_fn)(void *, int, struct tcpcb *);
#define OFLD_LISTEN_OPEN 1
#define OFLD_LISTEN_CLOSE 2
typedef void (*ofld_listen_fn)(void *, int, struct tcpcb *);
EVENTHANDLER_DECLARE(ofld_listen, ofld_listen_fn);
#endif

2
sys/netinet/tcp_var.h
View File

@ -209,7 +209,7 @@ struct tcpcb {
int rfbuf_cnt; /* recv buffer autoscaling byte count */
void *t_pspare[3]; /* toe usrreqs / toepcb * / congestion algo / vimage / 1 general use */
struct toe_usrreqs *t_tu; /* offload operations vector */
void *t_toe; /* TOE pcb pointer */
void *t_toe; /* TOE pcb pointer */
};
#define IN_FASTRECOVERY(tp) (tp->t_flags & TF_FASTRECOVERY)

186
sys/netinet/toedev.h
View File

@ -1,46 +1,46 @@
/*-
* 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.
*
* $FreeBSD$
*/
/**************************************************************************
#ifndef _NETINET_TOEDEV_H_
#define _NETINET_TOEDEV_H_
Copyright (c) 2007, Chelsio Inc.
All rights reserved.
#ifndef _KERNEL
#error "no user-serviceable parts inside"
#endif
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.
$FreeBSD$
***************************************************************************/
#ifndef _OFFLOAD_DEV_H_
#define _OFFLOAD_DEV_H_
/* Parameter values for offload_get_phys_egress() */
/* Parameter values for offload_get_phys_egress(). */
enum {
TOE_OPEN,
TOE_FAILOVER,
};
/* Parameter values for toe_failover() */
/* Parameter values for toe_failover(). */
enum {
TOE_ACTIVE_SLAVE,
TOE_LINK_DOWN,
@ -49,14 +49,14 @@ enum {
TOE_RELEASE_ALL,
};
#define TOENAMSIZ 16
#define TOENAMSIZ 16
/* Get the toedev associated with a ifnet */
#define TOEDEV(ifp) ((ifp)->if_llsoftc)
/* Get the toedev associated with a ifnet. */
#define TOEDEV(ifp) ((ifp)->if_llsoftc)
struct offload_id {
unsigned int id;
unsigned long data;
unsigned int id;
unsigned long data;
};
struct ifnet;
@ -68,65 +68,73 @@ struct mbuf;
struct toedev {
TAILQ_ENTRY(toedev) entry;
char name[TOENAMSIZ]; /* TOE device name */
unsigned int ttid; /* TOE type id */
unsigned long flags; /* device flags */
unsigned int mtu; /* max size of TX offloaded data */
unsigned int nconn; /* max # of offloaded connections */
struct ifnet *lldev; /* LL device associated with TOE messages */
const struct tom_info *offload_mod; /* attached TCP offload module */
struct sysctl_oid *sysctl_root; /* root of proc dir for this TOE */
int (*open)(struct toedev *dev);
int (*close)(struct toedev *dev);
int (*can_offload)(struct toedev *dev, struct socket *so);
int (*connect)(struct toedev *dev, struct socket *so,
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 */
int (*tod_open)(struct toedev *dev);
int (*tod_close)(struct toedev *dev);
int (*tod_can_offload)(struct toedev *dev, struct socket *so);
int (*tod_connect)(struct toedev *dev, struct socket *so,
struct ifnet *egress_ifp);
int (*send)(struct toedev *dev, struct mbuf *m);
int (*recv)(struct toedev *dev, struct mbuf **m, int n);
int (*ctl)(struct toedev *dev, unsigned int req, void *data);
void (*arp_update)(struct toedev *dev, struct rtentry *neigh);
void (*failover)(struct toedev *dev, struct ifnet *bond_ifp,
int (*tod_send)(struct toedev *dev, struct mbuf *m);
int (*tod_recv)(struct toedev *dev, struct mbuf **m, int n);
int (*tod_ctl)(struct toedev *dev, unsigned int req, void *data);
void (*tod_arp_update)(struct toedev *dev, struct rtentry *neigh);
void (*tod_failover)(struct toedev *dev, struct ifnet *bond_ifp,
struct ifnet *ndev, int event);
void *priv; /* driver private data */
void *l2opt; /* optional layer 2 data */
void *l3opt; /* optional layer 3 data */
void *l4opt; /* optional layer 4 data */
void *ulp; /* ulp stuff */
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 (*attach)(struct toedev *dev, const struct offload_id *entry);
int (*detach)(struct toedev *dev);
const char *name;
const struct offload_id *id_table;
TAILQ_ENTRY(tom_info) entry;
int (*ti_attach)(struct toedev *dev,
const struct offload_id *entry);
int (*ti_detach)(struct toedev *dev);
const char *name;
const struct offload_id *id_table;
};
static inline void init_offload_dev(struct toedev *dev)
static __inline void
init_offload_dev(struct toedev *dev)
{
}
extern int register_tom(struct tom_info *t);
extern int unregister_tom(struct tom_info *t);
extern int register_toedev(struct toedev *dev, const char *name);
extern int unregister_toedev(struct toedev *dev);
extern int activate_offload(struct toedev *dev);
extern int toe_send(struct toedev *dev, struct mbuf *m);
extern void toe_arp_update(struct rtentry *rt);
extern struct ifnet *offload_get_phys_egress(struct ifnet *dev,
struct socket *so,
int context);
extern int toe_receive_mbuf(struct toedev *dev, struct mbuf **m, int n);
static inline void toe_neigh_update(struct ifnet *neigh) {}
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)
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)
{
return 0;
}
#endif /* _OFFLOAD_DEV_H_ */
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_ */

4
sys/sys/socket.h
View File

@ -118,8 +118,8 @@ typedef __uid_t uid_t;
#define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */
#define SO_BINTIME 0x2000 /* timestamp received dgram traffic */
#endif
#define SO_NOOFFLOAD 0x4000 /* socket cannot be offloaded */
#define SO_NO_DDP 0x8000 /* disable direct data placement */
#define SO_NO_OFFLOAD 0x4000 /* socket cannot be offloaded */
#define SO_NO_DDP 0x8000 /* disable direct data placement */
/*
* Additional options, not kept in so_options.