drivers/net/cxgbe/cxgbe_ofld.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Chelsio Communications.
   3  * All rights reserved.
   4  */
   5
   6 #ifndef _CXGBE_OFLD_H_
   7 #define _CXGBE_OFLD_H_
   8
   9 #include <rte_bitmap.h>
  10
  11 #include "cxgbe_filter.h"
  12
  13 /*
  14  * Max # of ATIDs.  The absolute HW max is 16K but we keep it lower.
  15  */
  16 #define MAX_ATIDS 8192U
  17
  18 union aopen_entry {
  19         void *data;
  20         union aopen_entry *next;
  21 };
  22
  23 /*
  24  * Holds the size, base address, free list start, etc of filter TID.
  25  * The tables themselves are allocated dynamically.
  26  */
  27 struct tid_info {
  28         void **tid_tab;
  29         unsigned int ntids;
  30         struct filter_entry *ftid_tab;  /* Normal filters */
  31         union aopen_entry *atid_tab;
  32         struct rte_bitmap *ftid_bmap;
  33         uint8_t *ftid_bmap_array;
  34         unsigned int nftids, natids;
  35         unsigned int ftid_base, hash_base;
  36
  37         union aopen_entry *afree;
  38         unsigned int atids_in_use;
  39
  40         /* TIDs in the TCAM */
  41         rte_atomic32_t tids_in_use;
  42         /* TIDs in the HASH */
  43         rte_atomic32_t hash_tids_in_use;
  44         rte_atomic32_t conns_in_use;
  45
  46         rte_spinlock_t atid_lock __rte_cache_aligned;
  47         rte_spinlock_t ftid_lock;
  48 };
  49 #endif /* _CXGBE_OFLD_H_ */