cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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wmm.h (4031B)

      1/*
      2 * NXP Wireless LAN device driver: WMM
      3 *
      4 * Copyright 2011-2020 NXP
      5 *
      6 * This software file (the "File") is distributed by NXP
      7 * under the terms of the GNU General Public License Version 2, June 1991
      8 * (the "License").  You may use, redistribute and/or modify this File in
      9 * accordance with the terms and conditions of the License, a copy of which
     10 * is available by writing to the Free Software Foundation, Inc.,
     11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
     12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
     13 *
     14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
     15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
     16 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
     17 * this warranty disclaimer.
     18 */
     19
     20#ifndef _MWIFIEX_WMM_H_
     21#define _MWIFIEX_WMM_H_
     22
     23enum ieee_types_wmm_aciaifsn_bitmasks {
     24	MWIFIEX_AIFSN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)),
     25	MWIFIEX_ACM = BIT(4),
     26	MWIFIEX_ACI = (BIT(5) | BIT(6)),
     27};
     28
     29enum ieee_types_wmm_ecw_bitmasks {
     30	MWIFIEX_ECW_MIN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)),
     31	MWIFIEX_ECW_MAX = (BIT(4) | BIT(5) | BIT(6) | BIT(7)),
     32};
     33
     34extern const u16 mwifiex_1d_to_wmm_queue[];
     35extern const u8 tos_to_tid_inv[];
     36
     37/*
     38 * This function retrieves the TID of the given RA list.
     39 */
     40static inline int
     41mwifiex_get_tid(struct mwifiex_ra_list_tbl *ptr)
     42{
     43	struct sk_buff *skb;
     44
     45	if (skb_queue_empty(&ptr->skb_head))
     46		return 0;
     47
     48	skb = skb_peek(&ptr->skb_head);
     49
     50	return skb->priority;
     51}
     52
     53/*
     54 * This function gets the length of a list.
     55 */
     56static inline int
     57mwifiex_wmm_list_len(struct list_head *head)
     58{
     59	struct list_head *pos;
     60	int count = 0;
     61
     62	list_for_each(pos, head)
     63		++count;
     64
     65	return count;
     66}
     67
     68/*
     69 * This function checks if a RA list is empty or not.
     70 */
     71static inline u8
     72mwifiex_wmm_is_ra_list_empty(struct list_head *ra_list_hhead)
     73{
     74	struct mwifiex_ra_list_tbl *ra_list;
     75	int is_list_empty;
     76
     77	list_for_each_entry(ra_list, ra_list_hhead, list) {
     78		is_list_empty = skb_queue_empty(&ra_list->skb_head);
     79		if (!is_list_empty)
     80			return false;
     81	}
     82
     83	return true;
     84}
     85
     86void mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
     87				 struct sk_buff *skb);
     88void mwifiex_wmm_add_buf_bypass_txqueue(struct mwifiex_private *priv,
     89					struct sk_buff *skb);
     90void mwifiex_ralist_add(struct mwifiex_private *priv, const u8 *ra);
     91void mwifiex_rotate_priolists(struct mwifiex_private *priv,
     92			      struct mwifiex_ra_list_tbl *ra, int tid);
     93
     94int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter);
     95int mwifiex_bypass_txlist_empty(struct mwifiex_adapter *adapter);
     96void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter);
     97void mwifiex_process_bypass_tx(struct mwifiex_adapter *adapter);
     98int mwifiex_is_ralist_valid(struct mwifiex_private *priv,
     99			    struct mwifiex_ra_list_tbl *ra_list, int tid);
    100
    101u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv,
    102				     const struct sk_buff *skb);
    103void mwifiex_wmm_init(struct mwifiex_adapter *adapter);
    104
    105u32 mwifiex_wmm_process_association_req(struct mwifiex_private *priv,
    106					u8 **assoc_buf,
    107					struct ieee_types_wmm_parameter *wmmie,
    108					struct ieee80211_ht_cap *htcap);
    109
    110void mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv,
    111					struct ieee_types_wmm_parameter *wmm_ie);
    112void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv);
    113int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
    114			       const struct host_cmd_ds_command *resp);
    115struct mwifiex_ra_list_tbl *
    116mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid,
    117			    const u8 *ra_addr);
    118u8 mwifiex_wmm_downgrade_tid(struct mwifiex_private *priv, u32 tid);
    119void mwifiex_update_ralist_tx_pause(struct mwifiex_private *priv, u8 *mac,
    120				    u8 tx_pause);
    121void mwifiex_update_ralist_tx_pause_in_tdls_cs(struct mwifiex_private *priv,
    122					       u8 *mac, u8 tx_pause);
    123
    124struct mwifiex_ra_list_tbl *mwifiex_wmm_get_ralist_node(struct mwifiex_private
    125					*priv, u8 tid, const u8 *ra_addr);
    126#endif /* !_MWIFIEX_WMM_H_ */