linux/drivers/net/wireless/intel/iwlwifi/mvm/rx.c

// 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) 2016-2017 Intel Deutschland GmbH
 */
#include <asm/unaligned.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include "iwl-trans.h"
#include "mvm.h"
#include "fw-api.h"

/*
 * iwl_mvm_rx_rx_phy_cmd - REPLY_RX_PHY_CMD handler
 *
 * Copies the phy information in mvm->last_phy_info, it will be used when the
 * actual data will come from the fw in the next packet.
 */
void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
{ … }

/*
 * iwl_mvm_pass_packet_to_mac80211 - builds the packet for mac80211
 *
 * Adds the rxb to a new skb and give it to mac80211
 */
static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm,
					    struct ieee80211_sta *sta,
					    struct napi_struct *napi,
					    struct sk_buff *skb,
					    struct ieee80211_hdr *hdr, u16 len,
					    u8 crypt_len,
					    struct iwl_rx_cmd_buffer *rxb)
{ … }

/*
 * iwl_mvm_get_signal_strength - use new rx PHY INFO API
 * values are reported by the fw as positive values - need to negate
 * to obtain their dBM.  Account for missing antennas by replacing 0
 * values by -256dBm: practically 0 power and a non-feasible 8 bit value.
 */
static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm,
					struct iwl_rx_phy_info *phy_info,
					struct ieee80211_rx_status *rx_status)
{ … }

/*
 * iwl_mvm_set_mac80211_rx_flag - translate fw status to mac80211 format
 * @mvm: the mvm object
 * @hdr: 80211 header
 * @stats: status in mac80211's format
 * @rx_pkt_status: status coming from fw
 *
 * returns non 0 value if the packet should be dropped
 */
static u32 iwl_mvm_set_mac80211_rx_flag(struct iwl_mvm *mvm,
					struct ieee80211_hdr *hdr,
					struct ieee80211_rx_status *stats,
					u32 rx_pkt_status,
					u8 *crypt_len)
{ … }

static void iwl_mvm_rx_handle_tcm(struct iwl_mvm *mvm,
				  struct ieee80211_sta *sta,
				  struct ieee80211_hdr *hdr, u32 len,
				  struct iwl_rx_phy_info *phy_info,
				  u32 rate_n_flags)
{ … }

static void iwl_mvm_rx_csum(struct ieee80211_sta *sta,
			    struct sk_buff *skb,
			    u32 status)
{ … }

/*
 * iwl_mvm_rx_rx_mpdu - REPLY_RX_MPDU_CMD handler
 *
 * Handles the actual data of the Rx packet from the fw
 */
void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
			struct iwl_rx_cmd_buffer *rxb)
{ … }

struct iwl_mvm_stat_data { … };

struct iwl_mvm_stat_data_all_macs { … };

static void iwl_mvm_update_link_sig(struct ieee80211_vif *vif, int sig,
				    struct iwl_mvm_vif_link_info *link_info,
				    struct ieee80211_bss_conf *bss_conf)
{ … }

static void iwl_mvm_stat_iterator(void *_data, u8 *mac,
				  struct ieee80211_vif *vif)
{ … }

static void iwl_mvm_stat_iterator_all_macs(void *_data, u8 *mac,
					   struct ieee80211_vif *vif)
{ … }

static inline void
iwl_mvm_rx_stats_check_trigger(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt)
{ … }

static void iwl_mvm_stats_energy_iter(void *_data,
				      struct ieee80211_sta *sta)
{ … }

static void
iwl_mvm_update_tcm_from_stats(struct iwl_mvm *mvm, __le32 *air_time_le,
			      __le32 *rx_bytes_le)
{ … }

static void iwl_mvm_handle_per_phy_stats(struct iwl_mvm *mvm,
					 struct iwl_stats_ntfy_per_phy *per_phy)
{ … }

static void
iwl_mvm_stats_ver_15(struct iwl_mvm *mvm,
		     struct iwl_statistics_operational_ntfy *stats)
{ … }

static void
iwl_mvm_stats_ver_14(struct iwl_mvm *mvm,
		     struct iwl_statistics_operational_ntfy_ver_14 *stats)
{ … }

static bool iwl_mvm_verify_stats_len(struct iwl_mvm *mvm,
				     struct iwl_rx_packet *pkt,
				     u32 expected_size)
{ … }

static void
iwl_mvm_stat_iterator_all_links(struct iwl_mvm *mvm,
				struct iwl_stats_ntfy_per_link *per_link)
{ … }

#define SEC_LINK_MIN_PERC …
#define SEC_LINK_MIN_TX …
#define SEC_LINK_MIN_RX …

static void iwl_mvm_update_esr_mode_tpt(struct iwl_mvm *mvm)
{ … }

void iwl_mvm_handle_rx_system_oper_stats(struct iwl_mvm *mvm,
					 struct iwl_rx_cmd_buffer *rxb)
{ … }

void iwl_mvm_handle_rx_system_oper_part1_stats(struct iwl_mvm *mvm,
					       struct iwl_rx_cmd_buffer *rxb)
{ … }

static void
iwl_mvm_handle_rx_statistics_tlv(struct iwl_mvm *mvm,
				 struct iwl_rx_packet *pkt)
{ … }

void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
				  struct iwl_rx_packet *pkt)
{ … }

void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
{ … }

void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
				 struct iwl_rx_cmd_buffer *rxb)
{ … }