lio_rxtx.h

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    1 /*
    2  *   BSD LICENSE
    3  *
    4  *   Copyright(c) 2017 Cavium, Inc.. All rights reserved.
    5  *   All rights reserved.
    6  *
    7  *   Redistribution and use in source and binary forms, with or without
    8  *   modification, are permitted provided that the following conditions
    9  *   are met:
   10  *
   11  *     * Redistributions of source code must retain the above copyright
   12  *       notice, this list of conditions and the following disclaimer.
   13  *     * Redistributions in binary form must reproduce the above copyright
   14  *       notice, this list of conditions and the following disclaimer in
   15  *       the documentation and/or other materials provided with the
   16  *       distribution.
   17  *     * Neither the name of Cavium, Inc. nor the names of its
   18  *       contributors may be used to endorse or promote products derived
   19  *       from this software without specific prior written permission.
   20  *
   21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   25  *   OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   32  */
   33 /*$FreeBSD$*/
   34 
   35 #ifndef _LIO_RXTX_H_
   36 #define _LIO_RXTX_H_
   37 
   38 /* Bit mask values for lio->ifstate */
   39 #define LIO_IFSTATE_DROQ_OPS    0x01
   40 #define LIO_IFSTATE_REGISTERED  0x02
   41 #define LIO_IFSTATE_RUNNING     0x04
   42 #define LIO_IFSTATE_DETACH      0x08
   43 #define LIO_IFSTATE_RESETTING   0x10
   44 
   45 
   46 /*
   47  * Structure of a node in list of gather components maintained by
   48  * NIC driver for each network device.
   49  */
   50 struct lio_gather {
   51         /* List manipulation. Next and prev pointers. */
   52         struct lio_stailq_node  node;
   53 
   54         /* Size of the gather component at sg in bytes. */
   55         int     sg_size;
   56 
   57         /*
   58          * Gather component that can accommodate max sized fragment list
   59          * received from the IP layer.
   60          */
   61         struct lio_sg_entry     *sg;
   62 
   63         uint64_t                sg_dma_ptr;
   64 };
   65 
   66 union lio_tx_info {
   67         uint64_t        tx_info64;
   68         struct {
   69 #if _BYTE_ORDER == _BIG_ENDIAN
   70                 uint16_t        gso_size;
   71                 uint16_t        gso_segs;
   72                 uint32_t        reserved;
   73 #else   /* _BYTE_ORDER == _LITTLE_ENDIAN */
   74                 uint32_t        reserved;
   75                 uint16_t        gso_segs;
   76                 uint16_t        gso_size;
   77 #endif
   78         }       s;
   79 };
   80 
   81 int     lio_xmit(struct lio *lio, struct lio_instr_queue *iq,
   82                  struct mbuf **m_headp);
   83 int     lio_mq_start_locked(struct ifnet *ifp, struct lio_instr_queue *iq);
   84 int     lio_mq_start(struct ifnet *ifp, struct mbuf *m);
   85 void    lio_qflush(struct ifnet *ifp);
   86 #endif  /* _LIO_RXTX_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/liquidio/lio_rxtx.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/liquidio/lio_rxtx.h