security/selinux/include/ibpkey.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * pkey table
   4  *
   5  * SELinux must keep a mapping of pkeys to labels/SIDs.  This
   6  * mapping is maintained as part of the normal policy but a fast cache is
   7  * needed to reduce the lookup overhead.
   8  */
   9
  10 /*
  11  * (c) Mellanox Technologies, 2016
  12  */
  13
  14 #ifndef _SELINUX_IB_PKEY_H
  15 #define _SELINUX_IB_PKEY_H
  16
  17 #ifdef CONFIG_SECURITY_INFINIBAND
  18 void sel_ib_pkey_flush(void);
  19 int sel_ib_pkey_sid(u64 subnet_prefix, u16 pkey, u32 *sid);
  20 #else
  21 static inline void sel_ib_pkey_flush(void)
  22 {
  23         return;
  24 }
  25 static inline int sel_ib_pkey_sid(u64 subnet_prefix, u16 pkey, u32 *sid)
  26 {
  27         *sid = SECINITSID_UNLABELED;
  28         return 0;
  29 }
  30 #endif
  31
  32 #endif