77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*
|
|
* This file is part of the Chelsio T4/T5/T6 Ethernet driver for Linux.
|
|
*
|
|
* Copyright (c) 2017 Chelsio Communications, Inc. All rights reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* OpenIB.org BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - 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.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#ifndef __CXGB4_SMT_H
|
|
#define __CXGB4_SMT_H
|
|
|
|
#include <linux/spinlock.h>
|
|
#include <linux/if_ether.h>
|
|
#include <linux/atomic.h>
|
|
|
|
struct adapter;
|
|
struct cpl_smt_write_rpl;
|
|
|
|
/* SMT related handling. Heavily adapted based on l2t ops in l2t.h/l2t.c
|
|
*/
|
|
enum {
|
|
SMT_STATE_SWITCHING,
|
|
SMT_STATE_UNUSED,
|
|
SMT_STATE_ERROR
|
|
};
|
|
|
|
enum {
|
|
SMT_SIZE = 256
|
|
};
|
|
|
|
struct smt_entry {
|
|
u16 state;
|
|
u16 idx;
|
|
u16 pfvf;
|
|
u8 src_mac[ETH_ALEN];
|
|
atomic_t refcnt;
|
|
spinlock_t lock; /* protect smt entry add,removal */
|
|
};
|
|
|
|
struct smt_data {
|
|
unsigned int smt_size;
|
|
rwlock_t lock;
|
|
struct smt_entry smtab[0];
|
|
};
|
|
|
|
struct smt_data *t4_init_smt(void);
|
|
struct smt_entry *cxgb4_smt_alloc_switching(struct net_device *dev, u8 *smac);
|
|
void cxgb4_smt_release(struct smt_entry *e);
|
|
void do_smt_write_rpl(struct adapter *p, const struct cpl_smt_write_rpl *rpl);
|
|
#endif /* __CXGB4_SMT_H */
|