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There isn't much left, but we have

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* new mac80211 internal software queue to allow drivers to have
    shorter hardware queues and pull on-demand
  * use rhashtable for mac80211 station table
  * minstrel rate control debug improvements and some refactoring
  * fix noisy message about TX power reduction
  * fix continuous message printing and activity if CRDA doesn't respond
  * fix VHT-related capabilities with "iw connect" or "iwconfig ..."
  * fix Kconfig for cfg80211 wireless extensions compatibility
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Merge tag 'mac80211-next-for-davem-2015-04-10' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
There isn't much left, but we have
 * new mac80211 internal software queue to allow drivers to have
   shorter hardware queues and pull on-demand
 * use rhashtable for mac80211 station table
 * minstrel rate control debug improvements and some refactoring
 * fix noisy message about TX power reduction
 * fix continuous message printing and activity if CRDA doesn't respond
 * fix VHT-related capabilities with "iw connect" or "iwconfig ..."
 * fix Kconfig for cfg80211 wireless extensions compatibility
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2015-04-12 20:43:46 -04:00
commit 4e78eb0dbf
27 changed files with 1249 additions and 406 deletions
Download patch file Download diff file Expand all files Collapse all files

58
include/net/cfg80211.h
View file

@ -5000,6 +5000,64 @@ int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len,
enum ieee80211_p2p_attr_id attr,
u8 *buf, unsigned int bufsize);
/**
* ieee80211_ie_split_ric - split an IE buffer according to ordering (with RIC)
* @ies: the IE buffer
* @ielen: the length of the IE buffer
* @ids: an array with element IDs that are allowed before
* the split
* @n_ids: the size of the element ID array
* @after_ric: array IE types that come after the RIC element
* @n_after_ric: size of the @after_ric array
* @offset: offset where to start splitting in the buffer
*
* This function splits an IE buffer by updating the @offset
* variable to point to the location where the buffer should be
* split.
*
* It assumes that the given IE buffer is well-formed, this
* has to be guaranteed by the caller!
*
* It also assumes that the IEs in the buffer are ordered
* correctly, if not the result of using this function will not
* be ordered correctly either, i.e. it does no reordering.
*
* The function returns the offset where the next part of the
* buffer starts, which may be @ielen if the entire (remainder)
* of the buffer should be used.
*/
size_t ieee80211_ie_split_ric(const u8 *ies, size_t ielen,
const u8 *ids, int n_ids,
const u8 *after_ric, int n_after_ric,
size_t offset);
/**
* ieee80211_ie_split - split an IE buffer according to ordering
* @ies: the IE buffer
* @ielen: the length of the IE buffer
* @ids: an array with element IDs that are allowed before
* the split
* @n_ids: the size of the element ID array
* @offset: offset where to start splitting in the buffer
*
* This function splits an IE buffer by updating the @offset
* variable to point to the location where the buffer should be
* split.
*
* It assumes that the given IE buffer is well-formed, this
* has to be guaranteed by the caller!
*
* It also assumes that the IEs in the buffer are ordered
* correctly, if not the result of using this function will not
* be ordered correctly either, i.e. it does no reordering.
*
* The function returns the offset where the next part of the
* buffer starts, which may be @ielen if the entire (remainder)
* of the buffer should be used.
*/
size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
const u8 *ids, int n_ids, size_t offset);
/**
* cfg80211_report_wowlan_wakeup - report wakeup from WoWLAN
* @wdev: the wireless device reporting the wakeup

101
include/net/mac80211.h
View file

@ -84,6 +84,39 @@
*
*/
/**
* DOC: mac80211 software tx queueing
*
* mac80211 provides an optional intermediate queueing implementation designed
* to allow the driver to keep hardware queues short and provide some fairness
* between different stations/interfaces.
* In this model, the driver pulls data frames from the mac80211 queue instead
* of letting mac80211 push them via drv_tx().
* Other frames (e.g. control or management) are still pushed using drv_tx().
*
* Drivers indicate that they use this model by implementing the .wake_tx_queue
* driver operation.
*
* Intermediate queues (struct ieee80211_txq) are kept per-sta per-tid, with a
* single per-vif queue for multicast data frames.
*
* The driver is expected to initialize its private per-queue data for stations
* and interfaces in the .add_interface and .sta_add ops.
*
* The driver can't access the queue directly. To dequeue a frame, it calls
* ieee80211_tx_dequeue(). Whenever mac80211 adds a new frame to a queue, it
* calls the .wake_tx_queue driver op.
*
* For AP powersave TIM handling, the driver only needs to indicate if it has
* buffered packets in the driver specific data structures by calling
* ieee80211_sta_set_buffered(). For frames buffered in the ieee80211_txq
* struct, mac80211 sets the appropriate TIM PVB bits and calls
* .release_buffered_frames().
* In that callback the driver is therefore expected to release its own
* buffered frames and afterwards also frames from the ieee80211_txq (obtained
* via the usual ieee80211_tx_dequeue).
*/
struct device;
/**
@ -1306,6 +1339,7 @@ enum ieee80211_vif_flags {
* monitor interface (if that is requested.)
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void *).
* @txq: the multicast data TX queue (if driver uses the TXQ abstraction)
*/
struct ieee80211_vif {
enum nl80211_iftype type;
@ -1317,6 +1351,8 @@ struct ieee80211_vif {
u8 cab_queue;
u8 hw_queue[IEEE80211_NUM_ACS];
struct ieee80211_txq *txq;
struct ieee80211_chanctx_conf __rcu *chanctx_conf;
u32 driver_flags;
@ -1575,6 +1611,7 @@ struct ieee80211_sta_rates {
* @tdls_initiator: indicates the STA is an initiator of the TDLS link. Only
* valid if the STA is a TDLS peer in the first place.
* @mfp: indicates whether the STA uses management frame protection or not.
* @txq: per-TID data TX queues (if driver uses the TXQ abstraction)
*/
struct ieee80211_sta {
u32 supp_rates[IEEE80211_NUM_BANDS];
@ -1593,6 +1630,8 @@ struct ieee80211_sta {
bool tdls_initiator;
bool mfp;
struct ieee80211_txq *txq[IEEE80211_NUM_TIDS];
/* must be last */
u8 drv_priv[0] __aligned(sizeof(void *));
};
@ -1620,6 +1659,27 @@ struct ieee80211_tx_control {
struct ieee80211_sta *sta;
};
/**
* struct ieee80211_txq - Software intermediate tx queue
*
* @vif: &struct ieee80211_vif pointer from the add_interface callback.
* @sta: station table entry, %NULL for per-vif queue
* @tid: the TID for this queue (unused for per-vif queue)
* @ac: the AC for this queue
*
* The driver can obtain packets from this queue by calling
* ieee80211_tx_dequeue().
*/
struct ieee80211_txq {
struct ieee80211_vif *vif;
struct ieee80211_sta *sta;
u8 tid;
u8 ac;
/* must be last */
u8 drv_priv[0] __aligned(sizeof(void *));
};
/**
* enum ieee80211_hw_flags - hardware flags
*
@ -1844,6 +1904,8 @@ enum ieee80211_hw_flags {
* within &struct ieee80211_sta.
* @chanctx_data_size: size (in bytes) of the drv_priv data area
* within &struct ieee80211_chanctx_conf.
* @txq_data_size: size (in bytes) of the drv_priv data area
* within @struct ieee80211_txq.
*
* @max_rates: maximum number of alternate rate retry stages the hw
* can handle.
@ -1892,6 +1954,9 @@ enum ieee80211_hw_flags {
* @n_cipher_schemes: a size of an array of cipher schemes definitions.
* @cipher_schemes: a pointer to an array of cipher scheme definitions
* supported by HW.
*
* @txq_ac_max_pending: maximum number of frames per AC pending in all txq
* entries for a vif.
*/
struct ieee80211_hw {
struct ieee80211_conf conf;
@ -1904,6 +1969,7 @@ struct ieee80211_hw {
int vif_data_size;
int sta_data_size;
int chanctx_data_size;
int txq_data_size;
u16 queues;
u16 max_listen_interval;
s8 max_signal;
@ -1920,6 +1986,7 @@ struct ieee80211_hw {
u8 uapsd_max_sp_len;
u8 n_cipher_schemes;
const struct ieee80211_cipher_scheme *cipher_schemes;
int txq_ac_max_pending;
};
/**
@ -3082,6 +3149,8 @@ enum ieee80211_reconfig_type {
* response template is provided, together with the location of the
* switch-timing IE within the template. The skb can only be used within
* the function call.
*
* @wake_tx_queue: Called when new packets have been added to the queue.
*/
struct ieee80211_ops {
void (*tx)(struct ieee80211_hw *hw,
@ -3313,6 +3382,9 @@ struct ieee80211_ops {
void (*tdls_recv_channel_switch)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_tdls_ch_sw_params *params);
void (*wake_tx_queue)(struct ieee80211_hw *hw,
struct ieee80211_txq *txq);
};
/**
@ -5308,30 +5380,13 @@ int ieee80211_reserve_tid(struct ieee80211_sta *sta, u8 tid);
void ieee80211_unreserve_tid(struct ieee80211_sta *sta, u8 tid);
/**
* ieee80211_ie_split - split an IE buffer according to ordering
* ieee80211_tx_dequeue - dequeue a packet from a software tx queue
*
* @ies: the IE buffer
* @ielen: the length of the IE buffer
* @ids: an array with element IDs that are allowed before
* the split
* @n_ids: the size of the element ID array
* @offset: offset where to start splitting in the buffer
* @hw: pointer as obtained from ieee80211_alloc_hw()
* @txq: pointer obtained from station or virtual interface
*
* This function splits an IE buffer by updating the @offset
* variable to point to the location where the buffer should be
* split.
*
* It assumes that the given IE buffer is well-formed, this
* has to be guaranteed by the caller!
*
* It also assumes that the IEs in the buffer are ordered
* correctly, if not the result of using this function will not
* be ordered correctly either, i.e. it does no reordering.
*
* The function returns the offset where the next part of the
* buffer starts, which may be @ielen if the entire (remainder)
* of the buffer should be used.
* Returns the skb if successful, %NULL if no frame was available.
*/
size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
const u8 *ids, int n_ids, size_t offset);
struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
struct ieee80211_txq *txq);
#endif /* MAC80211_H */