drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h

   1 /* Broadcom NetXtreme-C/E network driver.
   2  *
   3  * Copyright (c) 2017 Broadcom Limited
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation.
   8  */
   9
  10 #ifndef BNXT_DEVLINK_H
  11 #define BNXT_DEVLINK_H
  12
  13 /* Struct to hold housekeeping info needed by devlink interface */
  14 struct bnxt_dl {
  15         struct bnxt *bp;        /* back ptr to the controlling dev */
  16 };
  17
  18 static inline struct bnxt *bnxt_get_bp_from_dl(struct devlink *dl)
  19 {
  20         return ((struct bnxt_dl *)devlink_priv(dl))->bp;
  21 }
  22
  23 /* To clear devlink pointer from bp, pass NULL dl */
  24 static inline void bnxt_link_bp_to_dl(struct bnxt *bp, struct devlink *dl)
  25 {
  26         bp->dl = dl;
  27
  28         /* add a back pointer in dl to bp */
  29         if (dl) {
  30                 struct bnxt_dl *bp_dl = devlink_priv(dl);
  31
  32                 bp_dl->bp = bp;
  33         }
  34 }
  35
  36 int bnxt_dl_register(struct bnxt *bp);
  37 void bnxt_dl_unregister(struct bnxt *bp);
  38
  39 #endif /* BNXT_DEVLINK_H */