mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
141 lines
4.3 KiB
C
141 lines
4.3 KiB
C
/*-
|
|
* 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_
|
|
|
|
#ifndef _KERNEL
|
|
#error "no user-serviceable parts inside"
|
|
#endif
|
|
|
|
/* 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 */
|
|
|
|
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 rtentry *rt, struct sockaddr *nam);
|
|
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 *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_ */
|