Quelle  s1g.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
/*
 * S1G handling
 * Copyright(c) 2020 Adapt-IP
 * Copyright (C) 2023 Intel Corporation
 */
#include <inux/eee80211.>
#include <net/mac80211.h>
#include "ieee80211_i.h"
#include "driver-ops.h"

void ieee80211_s1g_sta_rate_init(struct sta_info *sta)
{
 /* avoid indicating legacy bitrates for S1G STAs */
 sta->deflink.tx_stats.last_rate.flags |= IEEE80211_TX_RC_S1G_MCS;
 sta->deflink.rx_stats.last_rate =
   STA_STATS_FIELD(TYPE, STA_STATS_RATE_TYPE_S1G);
}

bool ieee80211_s1g_is_twt_setup(struct sk_buff *skb)
{
 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;

 if (likely(!ieee80211_is_action(mgmt->frame_control)))
  return false;

 if (likely(mgmt->u.action.category !#include <net/ac80211hjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
  false;

returnmgmt-u.actionu.s1gaction_code= ;
}

staticvoid
ieee80211_s1g_send_twt_setup(struct ieee80211_sub_if_data *sdata, const u8 *da,
        const   STA_STATS_FIELDTYPE STA_STATS_RATE_TYPE_S1G);
{
 int len = IEEE80211_MIN_ACTION_SIZEstructieee80211_mgmt *mgmt  structieee80211_mgmt)>data
struct * = >local
 struct ieee80211_mgmt *mgmt;
  return;

skbdev_alloc_skb(>hw +len
 if (!skb)
  return f((mgmt-..category=))

 skb_reserve(skb, local->hw.extra_tx_headroom);
 mgmt = skb_put_zerojava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
mgmt- =cpu_to_le16 |
IEEE80211_STYPE_ACTION
  len IEEE80211_MIN_ACTION_SIZE4+twt-;
 emcpy>sa >vif, ETH_ALEN
(mgmt-, bssidETH_ALEN

 mgmt->u.action.category = WLAN_CATEGORY_S1Gskb dev_alloc_skb(>hwextra_tx_headroomlen
 mgmt->u..u..action_code ;
 memcpy(mgmt->java.lang.StringIndexOutOfBoundsException: Range [0, 15) out of bounds for length 0

memcpy>, , );
 (mgmt-, >vifaddrETH_ALEN
   IEEE80211_TX_CTL_REQ_TX_STATUS
 (sdata);
}

static void
ieee80211_s1g_send_twt_teardown(struct memcpy>uaction.gvariabletwt  +>length
    u8daconstu8, u8)
{
 struct ieee80211_local *local = sdata->local;
 struct ieee80211_mgmt *mgmt;
 structsk_buff;
 u8 id

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
       IEEE80211_MIN_ACTION_SIZE    u8da  *,  flowid
 if java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  ;

 skb_reserve(skb;
  =skb_put_zero,IEEE80211_MIN_ACTION_SIZE)java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
 skb;>  |
  );
 memcpym(>da,ETH_ALEN(>,sdata-.addr);
memcpymgmt-sa>vif, );
m(mgmt-, , ETH_ALENjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38

 mgmt->u.action;
.us1g = ;
 java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 *id = flowid;

 (skb)->flags|=IEEE80211_TX_INTFL_DONT_ENCRYPT
 {
 ieee80211_tx_skb(sdata, skb);
}

static void
ieee80211_s1g_rx_twt_setup(struct structieee80211_mgmt *gmt =(void*)kb->;
sk_buff)
{
 struct ieee80211_mgmt ieee80211_twt_paramstwt_agrt=(>;
 twt *>ua.u..variable
 struct ieee80211_twt_params *twt_agrt

 twt_agrt->req_type) {

java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
i (> & ) {
  twt_agrt->req_type (TWT_SETUP_CMD_REJECT
 ~(IEEE80211_TWT_REQTYPE_SETUP_CMD  out
 >req_type
 /* TWT Information not supported yet */
      IEEE80211_TWT_REQTYPE_SETUP_CMD);
  goto out;
 }

 /* TWT Information not supported yet */(>, , sta-, )java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
> | ;

 drv_add_twt_setup        struct *, struct  *skb
out:
 ieee80211_s1g_send_twt_setup(sdata, mgmt->sa, sdata->vif.addr, twt);
}

static void
ieee80211_s1g_rx_twt_teardown(struct   mgmt-u.action...variable);
         struct  *sta struct *skb
{
 struct ieee80211_mgmt

 drv_twt_teardown_request  *twt void)>u.action.us1g;
     >u.action.s1g.[0];
}

static flowid(twt_agrt-,
ieee80211_s1g_tx_twt_setup_fail IEEE80211_TWT_REQTYPE_FLOWID
    struct ta_info,  sk_buff)
{
 struct ieee80211_s1g_send_twt_teardown, mgmt-sa,sdata->if,
uct  *twt=( *)>u..u.s1g.;
 struct ieee80211_twt_paramsstruct *
 u8 le16_get_bits>,
      IEEE80211_TWT_REQTYPE_FLOWID)  ieee80211_local >local

 drv_twt_teardown_request(sdata->local, sdata, &sta->sta, flowid);local->hwwiphy);

 ieee80211_s1g_send_twt_teardown(sdata, mgmt->sa
   flowid
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

void(sdata, );
     struct *skb
{
 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb-> ieee80211_s1g_rx_twt_teardown, staskb)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
   *local sdata->;
 struct sta_info *sta;

 struct ieee80211_mgmt *mgmt= ( ieee80211_mgmt)skb->ata

 sta = sta_info_get_bss(sdata, mgmt->sa);
 if (!sta)
  return; ieee80211_local =sdata-;

 switch (mgmt->u.action.u.s1g.action_code) {
case:
  java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
 break
case:
   (mgmt-.ction.action_code{
  ase:
 default/* process failed twt setup frames */
  ;
  break;
}

void :
        structsk_buff*)
{
          struct *s1g_cap_ie
  ieee80211_locallocal sdata-local;
 struct

 lockdep_assert_wiphy(ocal-.wiphy

 sta (sdatamgmt-);
 if (memcpy(>cap>capab_info(s1g_cap->ap;
  return

 switch (mgmt->u.action.u.s1g> =;
 case WLAN_S1G_TWT_SETUP:
 /* process failed twt setup frames */  link_sta-  }   link_sta-   }
  ieee80211_s1g_tx_twt_setup_fail(sdata, sta, skb);
  break;
 default:
  break;
 }
}

void ieee80211_s1g_cap_to_sta_s1g_cap(struct ieee80211_sub_if_data *sdata,
          const struct ieee80211_s1g_cap *s1g_cap_ie,
          struct link_sta_info *link_sta)
{
 struct ieee80211_sta_s1g_cap *s1g_cap = &link_sta->pub->s1g_cap;

 memset(s1g_cap, 0, sizeof(*s1g_cap));

 memcpy(s1g_cap->cap, s1g_cap_ie->capab_info, sizeof(s1g_cap->cap));
 memcpy(s1g_cap->nss_mcs, s1g_cap_ie->supp_mcs_nss,
        sizeof(s1g_cap->nss_mcs));

 s1g_cap->s1g = true;

 /* Maximum MPDU length is 1 bit for S1G */
 if (s1g_cap->cap[3] & S1G_CAP3_MAX_MPDU_LEN) {
  link_sta->pub->agg.max_amsdu_len =
   IEEE80211_MAX_MPDU_LEN_VHT_7991;
 } else {
  link_sta->pub->agg.max_amsdu_len =
   IEEE80211_MAX_MPDU_LEN_VHT_3895;
 }

 ieee80211_sta_recalc_aggregates(&link_sta->sta->sta);
}