rxmq.c | Explore in Territory

// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
 * Copyright (C) 2012-2014, 2018-2024 Intel Corporation
 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
 * Copyright (C) 2015-2017 Intel Deutschland GmbH
 */
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include "iwl-trans.h"
#include "mvm.h"
#include "fw-api.h"
#include "time-sync.h"

static inline int iwl_mvm_check_pn(struct iwl_mvm *mvm, struct sk_buff *skb,
				   int queue, struct ieee80211_sta *sta)
{ … }

/* iwl_mvm_create_skb Adds the rxb to a new skb */
static int iwl_mvm_create_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
			      struct ieee80211_hdr *hdr, u16 len, u8 crypt_len,
			      struct iwl_rx_cmd_buffer *rxb)
{ … }

/* put a TLV on the skb and return data pointer
 *
 * Also pad to 4 the len and zero out all data part
 */
static void *
iwl_mvm_radiotap_put_tlv(struct sk_buff *skb, u16 type, u16 len)
{ … }

static void iwl_mvm_add_rtap_sniffer_config(struct iwl_mvm *mvm,
					    struct sk_buff *skb)
{ … }

/* iwl_mvm_pass_packet_to_mac80211 - passes the packet for mac80211 */
static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm,
					    struct napi_struct *napi,
					    struct sk_buff *skb, int queue,
					    struct ieee80211_sta *sta)
{ … }

static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm,
					struct ieee80211_rx_status *rx_status,
					u32 rate_n_flags, int energy_a,
					int energy_b)
{ … }

static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta,
				struct ieee80211_hdr *hdr,
				struct iwl_rx_mpdu_desc *desc,
				u32 status,
				struct ieee80211_rx_status *stats)
{ … }

static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
			     struct ieee80211_hdr *hdr,
			     struct ieee80211_rx_status *stats, u16 phy_info,
			     struct iwl_rx_mpdu_desc *desc,
			     u32 pkt_flags, int queue, u8 *crypt_len)
{ … }

static void iwl_mvm_rx_csum(struct iwl_mvm *mvm,
			    struct ieee80211_sta *sta,
			    struct sk_buff *skb,
			    struct iwl_rx_packet *pkt)
{ … }

/*
 * returns true if a packet is a duplicate or invalid tid and should be dropped.
 * Updates AMSDU PN tracking info
 */
static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue,
			   struct ieee80211_rx_status *rx_status,
			   struct ieee80211_hdr *hdr,
			   struct iwl_rx_mpdu_desc *desc)
{ … }

static void iwl_mvm_release_frames(struct iwl_mvm *mvm,
				   struct ieee80211_sta *sta,
				   struct napi_struct *napi,
				   struct iwl_mvm_baid_data *baid_data,
				   struct iwl_mvm_reorder_buffer *reorder_buf,
				   u16 nssn)
{ … }

static void iwl_mvm_del_ba(struct iwl_mvm *mvm, int queue,
			   struct iwl_mvm_delba_data *data)
{ … }

static void iwl_mvm_release_frames_from_notif(struct iwl_mvm *mvm,
					      struct napi_struct *napi,
					      u8 baid, u16 nssn, int queue)
{ … }

void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi,
			    struct iwl_rx_cmd_buffer *rxb, int queue)
{ … }

/*
 * Returns true if the MPDU was buffered\dropped, false if it should be passed
 * to upper layer.
 */
static bool iwl_mvm_reorder(struct iwl_mvm *mvm,
			    struct napi_struct *napi,
			    int queue,
			    struct ieee80211_sta *sta,
			    struct sk_buff *skb,
			    struct iwl_rx_mpdu_desc *desc)
{ … }

static void iwl_mvm_agg_rx_received(struct iwl_mvm *mvm,
				    u32 reorder_data, u8 baid)
{ … }

static void iwl_mvm_flip_address(u8 *addr)
{ … }

struct iwl_mvm_rx_phy_data { … };

static void iwl_mvm_decode_he_mu_ext(struct iwl_mvm *mvm,
				     struct iwl_mvm_rx_phy_data *phy_data,
				     struct ieee80211_radiotap_he_mu *he_mu)
{ … }

static void
iwl_mvm_decode_he_phy_ru_alloc(struct iwl_mvm_rx_phy_data *phy_data,
			       struct ieee80211_radiotap_he *he,
			       struct ieee80211_radiotap_he_mu *he_mu,
			       struct ieee80211_rx_status *rx_status)
{ … }

static void iwl_mvm_decode_he_phy_data(struct iwl_mvm *mvm,
				       struct iwl_mvm_rx_phy_data *phy_data,
				       struct ieee80211_radiotap_he *he,
				       struct ieee80211_radiotap_he_mu *he_mu,
				       struct ieee80211_rx_status *rx_status,
				       int queue)
{ … }

#define LE32_DEC_ENC(value, dec_bits, enc_bits) …

#define IWL_MVM_ENC_USIG_VALUE_MASK(usig, in_value, dec_bits, enc_bits) …

#define __IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru) …

#define _IWL_MVM_ENC_EHT_RU(rt_data, rt_ru, fw_data, fw_ru) …

#define IEEE80211_RADIOTAP_RU_DATA_1_1_1 …
#define IEEE80211_RADIOTAP_RU_DATA_2_1_1 …
#define IEEE80211_RADIOTAP_RU_DATA_1_1_2 …
#define IEEE80211_RADIOTAP_RU_DATA_2_1_2 …
#define IEEE80211_RADIOTAP_RU_DATA_1_2_1 …
#define IEEE80211_RADIOTAP_RU_DATA_2_2_1 …
#define IEEE80211_RADIOTAP_RU_DATA_1_2_2 …
#define IEEE80211_RADIOTAP_RU_DATA_2_2_2 …

#define IWL_RX_RU_DATA_A1 …
#define IWL_RX_RU_DATA_A2 …
#define IWL_RX_RU_DATA_B1 …
#define IWL_RX_RU_DATA_B2 …
#define IWL_RX_RU_DATA_C1 …
#define IWL_RX_RU_DATA_C2 …
#define IWL_RX_RU_DATA_D1 …
#define IWL_RX_RU_DATA_D2 …

#define IWL_MVM_ENC_EHT_RU(rt_ru, fw_ru) …

static void iwl_mvm_decode_eht_ext_mu(struct iwl_mvm *mvm,
				      struct iwl_mvm_rx_phy_data *phy_data,
				      struct ieee80211_rx_status *rx_status,
				      struct ieee80211_radiotap_eht *eht,
				      struct ieee80211_radiotap_eht_usig *usig)
{ … }

static void iwl_mvm_decode_eht_ext_tb(struct iwl_mvm *mvm,
				      struct iwl_mvm_rx_phy_data *phy_data,
				      struct ieee80211_rx_status *rx_status,
				      struct ieee80211_radiotap_eht *eht,
				      struct ieee80211_radiotap_eht_usig *usig)
{ … }

static void iwl_mvm_decode_eht_ru(struct iwl_mvm *mvm,
				  struct ieee80211_rx_status *rx_status,
				  struct ieee80211_radiotap_eht *eht)
{ … }

static void iwl_mvm_decode_eht_phy_data(struct iwl_mvm *mvm,
					struct iwl_mvm_rx_phy_data *phy_data,
					struct ieee80211_rx_status *rx_status,
					struct ieee80211_radiotap_eht *eht,
					struct ieee80211_radiotap_eht_usig *usig)

{ … }

static void iwl_mvm_rx_eht(struct iwl_mvm *mvm, struct sk_buff *skb,
			   struct iwl_mvm_rx_phy_data *phy_data,
			   int queue)
{ … }

static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb,
			  struct iwl_mvm_rx_phy_data *phy_data,
			  int queue)
{ … }

static void iwl_mvm_decode_lsig(struct sk_buff *skb,
				struct iwl_mvm_rx_phy_data *phy_data)
{ … }

struct iwl_rx_sta_csa { … };

static void iwl_mvm_rx_get_sta_block_tx(void *data, struct ieee80211_sta *sta)
{ … }

/*
 * Note: requires also rx_status->band to be prefilled, as well
 * as phy_data (apart from phy_data->info_type)
 */
static void iwl_mvm_rx_fill_status(struct iwl_mvm *mvm,
				   struct sk_buff *skb,
				   struct iwl_mvm_rx_phy_data *phy_data,
				   int queue)
{ … }

void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
			struct iwl_rx_cmd_buffer *rxb, int queue)
{ … }

void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi,
				struct iwl_rx_cmd_buffer *rxb, int queue)
{ … }

void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
			      struct iwl_rx_cmd_buffer *rxb, int queue)
{ … }

void iwl_mvm_rx_bar_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
				  struct iwl_rx_cmd_buffer *rxb, int queue)
{ … }
linux/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
