mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
synced 2025-04-19 20:58:31 +09:00
676b902db4
Config symbols are not defined if turned off, so need to
use #ifdef, not #if.
Fixes: d1e879ec600f9 ("wifi: iwlwifi: add iwlmld sub-driver")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Yedidya Ben Shimol <yedidya.ben.shimol@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250401064530.612020bcdaad.I4e885e6646576e29fb236250a1b5038d3f14b08e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
234 lines
8.4 KiB
C
234 lines
8.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
|
|
/*
|
|
* Copyright (C) 2024-2025 Intel Corporation
|
|
*/
|
|
#ifndef __iwl_mld_iface_h__
|
|
#define __iwl_mld_iface_h__
|
|
|
|
#include <net/mac80211.h>
|
|
|
|
#include "link.h"
|
|
#include "session-protect.h"
|
|
#include "d3.h"
|
|
|
|
enum iwl_mld_cca_40mhz_wa_status {
|
|
CCA_40_MHZ_WA_NONE,
|
|
CCA_40_MHZ_WA_RESET,
|
|
CCA_40_MHZ_WA_RECONNECT,
|
|
};
|
|
|
|
/**
|
|
* enum iwl_mld_emlsr_blocked - defines reasons for which EMLSR is blocked
|
|
*
|
|
* These blocks are applied/stored per-VIF.
|
|
*
|
|
* @IWL_MLD_EMLSR_BLOCKED_PREVENTION: Prevent repeated EMLSR enter/exit
|
|
* @IWL_MLD_EMLSR_BLOCKED_WOWLAN: WOWLAN is preventing EMLSR
|
|
* @IWL_MLD_EMLSR_BLOCKED_ROC: remain-on-channel is preventing EMLSR
|
|
* @IWL_MLD_EMLSR_BLOCKED_NON_BSS: An active non-BSS interface's link is
|
|
* preventing EMLSR
|
|
* @IWL_MLD_EMLSR_BLOCKED_TMP_NON_BSS: An expected active non-BSS interface's
|
|
* link is preventing EMLSR. This is a temporary blocking that is set when
|
|
* there is an indication that a non-BSS interface is to be added.
|
|
* @IWL_MLD_EMLSR_BLOCKED_TPT: throughput is too low to make EMLSR worthwhile
|
|
*/
|
|
enum iwl_mld_emlsr_blocked {
|
|
IWL_MLD_EMLSR_BLOCKED_PREVENTION = 0x1,
|
|
IWL_MLD_EMLSR_BLOCKED_WOWLAN = 0x2,
|
|
IWL_MLD_EMLSR_BLOCKED_ROC = 0x4,
|
|
IWL_MLD_EMLSR_BLOCKED_NON_BSS = 0x8,
|
|
IWL_MLD_EMLSR_BLOCKED_TMP_NON_BSS = 0x10,
|
|
IWL_MLD_EMLSR_BLOCKED_TPT = 0x20,
|
|
};
|
|
|
|
/**
|
|
* enum iwl_mld_emlsr_exit - defines reasons for exiting EMLSR
|
|
*
|
|
* Reasons to exit EMLSR may be either link specific or even specific to a
|
|
* combination of links.
|
|
*
|
|
* @IWL_MLD_EMLSR_EXIT_BLOCK: Exit due to a block reason being set
|
|
* @IWL_MLD_EMLSR_EXIT_MISSED_BEACON: Exit due to missed beacons
|
|
* @IWL_MLD_EMLSR_EXIT_FAIL_ENTRY: FW failed to enter EMLSR
|
|
* @IWL_MLD_EMLSR_EXIT_CSA: EMLSR prevented due to channel switch on link
|
|
* @IWL_MLD_EMLSR_EXIT_EQUAL_BAND: EMLSR prevented as both links share the band
|
|
* @IWL_MLD_EMLSR_EXIT_LOW_RSSI: Link RSSI is unsuitable for EMLSR
|
|
* @IWL_MLD_EMLSR_EXIT_LINK_USAGE: Exit EMLSR due to low TPT on secondary link
|
|
* @IWL_MLD_EMLSR_EXIT_BT_COEX: Exit EMLSR due to BT coexistence
|
|
* @IWL_MLD_EMLSR_EXIT_CHAN_LOAD: Exit EMLSR because the primary channel is not
|
|
* loaded enough to justify EMLSR.
|
|
* @IWL_MLD_EMLSR_EXIT_RFI: Exit EMLSR due to RFI
|
|
* @IWL_MLD_EMLSR_EXIT_FW_REQUEST: Exit EMLSR because the FW requested it
|
|
*/
|
|
enum iwl_mld_emlsr_exit {
|
|
IWL_MLD_EMLSR_EXIT_BLOCK = 0x1,
|
|
IWL_MLD_EMLSR_EXIT_MISSED_BEACON = 0x2,
|
|
IWL_MLD_EMLSR_EXIT_FAIL_ENTRY = 0x4,
|
|
IWL_MLD_EMLSR_EXIT_CSA = 0x8,
|
|
IWL_MLD_EMLSR_EXIT_EQUAL_BAND = 0x10,
|
|
IWL_MLD_EMLSR_EXIT_LOW_RSSI = 0x20,
|
|
IWL_MLD_EMLSR_EXIT_LINK_USAGE = 0x40,
|
|
IWL_MLD_EMLSR_EXIT_BT_COEX = 0x80,
|
|
IWL_MLD_EMLSR_EXIT_CHAN_LOAD = 0x100,
|
|
IWL_MLD_EMLSR_EXIT_RFI = 0x200,
|
|
IWL_MLD_EMLSR_EXIT_FW_REQUEST = 0x400,
|
|
};
|
|
|
|
/**
|
|
* struct iwl_mld_emlsr - per-VIF data about EMLSR operation
|
|
*
|
|
* @primary: The current primary link
|
|
* @selected_primary: Primary link as selected during the last link selection
|
|
* @selected_links: Links as selected during the last link selection
|
|
* @blocked_reasons: Reasons preventing EMLSR from being enabled
|
|
* @last_exit_reason: Reason for the last EMLSR exit
|
|
* @last_exit_ts: Time of the last EMLSR exit (if @last_exit_reason is non-zero)
|
|
* @exit_repeat_count: Number of times EMLSR was exited for the same reason
|
|
* @unblock_tpt_wk: Unblock EMLSR because the throughput limit was reached
|
|
* @check_tpt_wk: a worker to check if IWL_MLD_EMLSR_BLOCKED_TPT should be
|
|
* added, for example if there is no longer enough traffic.
|
|
* @prevent_done_wk: Worker to remove %IWL_MLD_EMLSR_BLOCKED_PREVENTION
|
|
* @tmp_non_bss_done_wk: Worker to remove %IWL_MLD_EMLSR_BLOCKED_TMP_NON_BSS
|
|
*/
|
|
struct iwl_mld_emlsr {
|
|
struct_group(zeroed_on_not_authorized,
|
|
u8 primary;
|
|
|
|
u8 selected_primary;
|
|
u16 selected_links;
|
|
|
|
enum iwl_mld_emlsr_blocked blocked_reasons;
|
|
|
|
enum iwl_mld_emlsr_exit last_exit_reason;
|
|
unsigned long last_exit_ts;
|
|
u8 exit_repeat_count;
|
|
);
|
|
|
|
struct wiphy_work unblock_tpt_wk;
|
|
struct wiphy_delayed_work check_tpt_wk;
|
|
|
|
struct wiphy_delayed_work prevent_done_wk;
|
|
struct wiphy_delayed_work tmp_non_bss_done_wk;
|
|
};
|
|
|
|
/**
|
|
* struct iwl_mld_vif - virtual interface (MAC context) configuration parameters
|
|
*
|
|
* @fw_id: fw id of the mac context.
|
|
* @session_protect: session protection parameters
|
|
* @ap_sta: pointer to AP sta, for easier access to it.
|
|
* Relevant only for STA vifs.
|
|
* @authorized: indicates the AP station was set to authorized
|
|
* @bigtks: BIGTKs of the AP, for beacon protection.
|
|
* Only valid for STA. (FIXME: needs to be per link)
|
|
* @num_associated_stas: number of associated STAs. Relevant only for AP mode.
|
|
* @ap_ibss_active: whether the AP/IBSS was started
|
|
* @roc_activity: the id of the roc_activity running. Relevant for p2p device
|
|
* only. Set to %ROC_NUM_ACTIVITIES when not in use.
|
|
* @cca_40mhz_workaround: When we are connected in 2.4 GHz and 40 MHz, and the
|
|
* environment is too loaded, we work around this by reconnecting to the
|
|
* same AP with 20 MHz. This manages the status of the workaround.
|
|
* @beacon_inject_active: indicates an active debugfs beacon ie injection
|
|
* @low_latency_causes: bit flags, indicating the causes for low-latency,
|
|
* see @iwl_mld_low_latency_cause.
|
|
* @ps_disabled: indicates that PS is disabled for this interface
|
|
* @mld: pointer to the mld structure.
|
|
* @deflink: default link data, for use in non-MLO,
|
|
* @link: reference to link data for each valid link, for use in MLO.
|
|
* @emlsr: information related to EMLSR
|
|
* @wowlan_data: data used by the wowlan suspend flow
|
|
* @use_ps_poll: use ps_poll frames
|
|
* @disable_bf: disable beacon filter
|
|
* @dbgfs_slink: debugfs symlink for this interface
|
|
*/
|
|
struct iwl_mld_vif {
|
|
/* Add here fields that need clean up on restart */
|
|
struct_group(zeroed_on_hw_restart,
|
|
u8 fw_id;
|
|
struct iwl_mld_session_protect session_protect;
|
|
struct ieee80211_sta *ap_sta;
|
|
bool authorized;
|
|
struct ieee80211_key_conf __rcu *bigtks[2];
|
|
u8 num_associated_stas;
|
|
bool ap_ibss_active;
|
|
u32 roc_activity;
|
|
enum iwl_mld_cca_40mhz_wa_status cca_40mhz_workaround;
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
bool beacon_inject_active;
|
|
#endif
|
|
u8 low_latency_causes;
|
|
bool ps_disabled;
|
|
);
|
|
/* And here fields that survive a fw restart */
|
|
struct iwl_mld *mld;
|
|
struct iwl_mld_link deflink;
|
|
struct iwl_mld_link __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS];
|
|
|
|
struct iwl_mld_emlsr emlsr;
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
struct iwl_mld_wowlan_data wowlan_data;
|
|
#endif
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
bool use_ps_poll;
|
|
bool disable_bf;
|
|
struct dentry *dbgfs_slink;
|
|
#endif
|
|
};
|
|
|
|
static inline struct iwl_mld_vif *
|
|
iwl_mld_vif_from_mac80211(struct ieee80211_vif *vif)
|
|
{
|
|
return (void *)vif->drv_priv;
|
|
}
|
|
|
|
#define iwl_mld_link_dereference_check(mld_vif, link_id) \
|
|
rcu_dereference_check((mld_vif)->link[link_id], \
|
|
lockdep_is_held(&mld_vif->mld->wiphy->mtx))
|
|
|
|
#define for_each_mld_vif_valid_link(mld_vif, mld_link) \
|
|
for (int link_id = 0; link_id < ARRAY_SIZE((mld_vif)->link); \
|
|
link_id++) \
|
|
if ((mld_link = iwl_mld_link_dereference_check(mld_vif, link_id)))
|
|
|
|
/* Retrieve pointer to mld link from mac80211 structures */
|
|
static inline struct iwl_mld_link *
|
|
iwl_mld_link_from_mac80211(struct ieee80211_bss_conf *bss_conf)
|
|
{
|
|
struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(bss_conf->vif);
|
|
|
|
return iwl_mld_link_dereference_check(mld_vif, bss_conf->link_id);
|
|
}
|
|
|
|
int iwl_mld_mac80211_iftype_to_fw(const struct ieee80211_vif *vif);
|
|
|
|
/* Cleanup function for struct iwl_mld_vif, will be called in restart */
|
|
void iwl_mld_cleanup_vif(void *data, u8 *mac, struct ieee80211_vif *vif);
|
|
int iwl_mld_mac_fw_action(struct iwl_mld *mld, struct ieee80211_vif *vif,
|
|
u32 action);
|
|
int iwl_mld_add_vif(struct iwl_mld *mld, struct ieee80211_vif *vif);
|
|
int iwl_mld_rm_vif(struct iwl_mld *mld, struct ieee80211_vif *vif);
|
|
void iwl_mld_set_vif_associated(struct iwl_mld *mld,
|
|
struct ieee80211_vif *vif);
|
|
u8 iwl_mld_get_fw_bss_vifs_ids(struct iwl_mld *mld);
|
|
void iwl_mld_handle_probe_resp_data_notif(struct iwl_mld *mld,
|
|
struct iwl_rx_packet *pkt);
|
|
|
|
void iwl_mld_handle_datapath_monitor_notif(struct iwl_mld *mld,
|
|
struct iwl_rx_packet *pkt);
|
|
|
|
void iwl_mld_handle_uapsd_misbehaving_ap_notif(struct iwl_mld *mld,
|
|
struct iwl_rx_packet *pkt);
|
|
|
|
void iwl_mld_reset_cca_40mhz_workaround(struct iwl_mld *mld,
|
|
struct ieee80211_vif *vif);
|
|
|
|
static inline bool iwl_mld_vif_low_latency(const struct iwl_mld_vif *mld_vif)
|
|
{
|
|
return !!mld_vif->low_latency_causes;
|
|
}
|
|
|
|
struct ieee80211_vif *iwl_mld_get_bss_vif(struct iwl_mld *mld);
|
|
|
|
#endif /* __iwl_mld_iface_h__ */
|