/*
* BSD LICENSE
*
* Copyright(c) 2017 Cavium, Inc.. All rights reserved.
* All rights reserved.
*
* 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.
* * Neither the name of Cavium, Inc. 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(S) 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 _LIO_RXTX_H_
#define _LIO_RXTX_H_
/* Bit mask values for lio->ifstate */
#define LIO_IFSTATE_DROQ_OPS 0x01
#define LIO_IFSTATE_REGISTERED 0x02
#define LIO_IFSTATE_RUNNING 0x04
#define LIO_IFSTATE_DETACH 0x08
#define LIO_IFSTATE_RESETTING 0x10
/*
* Structure of a node in list of gather components maintained by
* NIC driver for each network device.
*/
struct lio_gather {
/* List manipulation. Next and prev pointers. */
struct lio_stailq_node node;
/* Size of the gather component at sg in bytes. */
int sg_size;
/*
* Gather component that can accommodate max sized fragment list
* received from the IP layer.
*/
struct lio_sg_entry *sg;
uint64_t sg_dma_ptr;
};
union lio_tx_info {
uint64_t tx_info64;
struct {
#if _BYTE_ORDER == _BIG_ENDIAN
uint16_t gso_size;
uint16_t gso_segs;
uint32_t reserved;
#else /* _BYTE_ORDER == _LITTLE_ENDIAN */
uint32_t reserved;
uint16_t gso_segs;
uint16_t gso_size;
#endif
} s;
};
int lio_xmit(struct lio *lio, struct lio_instr_queue *iq,
struct mbuf **m_headp);
int lio_mq_start_locked(struct ifnet *ifp, struct lio_instr_queue *iq);
int lio_mq_start(struct ifnet *ifp, struct mbuf *m);
void lio_qflush(struct ifnet *ifp);
#endif /* _LIO_RXTX_H_ */
