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ixgbe_fdir.h revision 1.2 
      1 /******************************************************************************
      2 
      3   Copyright (c) 2001-2017, Intel Corporation
      4   All rights reserved.
      5 
      6   Redistribution and use in source and binary forms, with or without
      7   modification, are permitted provided that the following conditions are met:
      8 
      9    1. Redistributions of source code must retain the above copyright notice,
     10       this list of conditions and the following disclaimer.
     11 
     12    2. Redistributions in binary form must reproduce the above copyright
     13       notice, this list of conditions and the following disclaimer in the
     14       documentation and/or other materials provided with the distribution.
     15 
     16    3. Neither the name of the Intel Corporation nor the names of its
     17       contributors may be used to endorse or promote products derived from
     18       this software without specific prior written permission.
     19 
     20   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     21   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     22   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     23   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     24   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30   POSSIBILITY OF SUCH DAMAGE.
     31 
     32 ******************************************************************************/
     33 /*$FreeBSD: head/sys/dev/ixgbe/ixgbe_fdir.h 327031 2017-12-20 18:15:06Z erj $*/
     34 
     35 #ifndef _IXGBE_FDIR_H_
     36 #define _IXGBE_FDIR_H_
     37 
     38 #ifdef IXGBE_FDIR
     39 
     40 /*
     41  * Flow Director actually 'steals' part of the packet buffer
     42  * as its filter pool, this variable controls how much it uses:
     43  *  0 = 64K, 1 = 128K, 2 = 256K
     44  */
     45 int fdir_pballoc = 1;
     46 
     47 void ixgbe_init_fdir(struct adapter *);
     48 
     49 #else
     50 
     51 #define ixgbe_init_fdir(_a)
     52 
     53 #endif
     54 
     55 void ixgbe_reinit_fdir(void *);
     56 void ixgbe_atr(struct tx_ring *, struct mbuf *);
     57 
     58 #endif /* _IXGBE_FDIR_H_ */
     59