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nl80211: modify TID-config API

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Make some changes to the TID-config API:
 * use u16 in nl80211 (only, and restrict to using 8 bits for now),
   to avoid issues in the future if we ever want to use higher TIDs.
 * reject empty TIDs mask (via netlink policy)
 * change feature advertising to not use extended feature flags but
   have own mechanism for this, which simplifies the code
 * fix all variable names from 'tid' to 'tids' since it's a mask
 * change to cfg80211_ name prefixes, not ieee80211_
 * fix some minor docs/spelling things.

Change-Id: Ia234d464b3f914cdeab82f540e018855be580dce
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2020-02-24 11:34:25 +01:00
parent 77f576deaa
commit 3710a8a628
5 changed files with 121 additions and 94 deletions
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43
include/net/cfg80211.h
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@@ -626,36 +626,32 @@ struct cfg80211_chan_def {
struct ieee80211_edmg edmg;
};
enum ieee80211_tid_conf_mask {
IEEE80211_TID_CONF_NOACK = BIT(NL80211_TID_CONFIG_ATTR_NOACK),
};
/**
* struct ieee80211_tid_cfg - TID specific configuration
* struct cfg80211_tid_cfg - TID specific configuration
* @config_override: Flag to notify driver to reset TID configuration
* of the peer.
* @tid: TID number
* @tid_conf_mask: bitmap indicating which parameter changed
* see &enum ieee80211_tid_conf_mask
* @tids: bitmap of TIDs to modify
* @mask: bitmap of attributes indicating which parameter changed,
* similar to &nl80211_tid_config_supp.
* @noack: noack configuration value for the TID
*/
struct ieee80211_tid_cfg {
struct cfg80211_tid_cfg {
bool config_override;
u8 tid;
u32 tid_conf_mask;
u8 tids;
u32 mask;
enum nl80211_tid_config noack;
};
/**
* struct ieee80211_tid_config - TID configuration
* struct cfg80211_tid_config - TID configuration
* @peer: Station's MAC address
* @n_tid_conf: Number of TID specific configurations to be applied
* @tid_conf: Configuration change info
*/
struct ieee80211_tid_config {
struct cfg80211_tid_config {
const u8 *peer;
u32 n_tid_conf;
struct ieee80211_tid_cfg tid_conf[];
struct cfg80211_tid_cfg tid_conf[];
};
/**
@@ -3705,8 +3701,8 @@ struct cfg80211_update_owe_info {
* and overrule HWMP path selection algorithm.
* @set_tid_config: TID specific configuration, this can be peer or BSS specific
* This callback may sleep.
* @reset_tid_config: Reset TID specific configuration for the peer.
* This callback may sleep.
* @reset_tid_config: Reset TID specific configuration for the peer, for the
* given TIDs. This callback may sleep.
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -4031,9 +4027,9 @@ struct cfg80211_ops {
int (*probe_mesh_link)(struct wiphy *wiphy, struct net_device *dev,
const u8 *buf, size_t len);
int (*set_tid_config)(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_tid_config *tid_conf);
struct cfg80211_tid_config *tid_conf);
int (*reset_tid_config)(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 tid);
const u8 *peer, u8 tids);
};
/*
@@ -4641,6 +4637,13 @@ struct wiphy_iftype_akm_suites {
* @support_mbssid must be set for this to have any effect.
*
* @pmsr_capa: peer measurement capabilities
*
* @tid_config_support: describes the per-TID config support that the
* device has
* @tid_config_support.vif: bitmap of attributes (configurations)
* supported by the driver for each vif
* @tid_config_support.peer: bitmap of attributes (configurations)
* supported by the driver for each peer
*/
struct wiphy {
/* assign these fields before you register the wiphy */
@@ -4772,6 +4775,10 @@ struct wiphy {
const struct cfg80211_pmsr_capabilities *pmsr_capa;
struct {
u64 peer, vif;
} tid_config_support;
char priv[0] __aligned(NETDEV_ALIGN);
};