Commit 70a18c5d authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville

iwlwifi: move tid_to_ac to PCI-E

Currently, queue mapping is handled in the
transport. This may change, but until then
the code for it can be close to where it's
used rather than in iwl-shared.h.
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 930dfd5f
...@@ -412,52 +412,6 @@ static inline bool iwl_have_debug_level(u32 level) ...@@ -412,52 +412,6 @@ static inline bool iwl_have_debug_level(u32 level)
return iwlagn_mod_params.debug_level & level; return iwlagn_mod_params.debug_level & level;
} }
/*
* mac80211 queues, ACs, hardware queues, FIFOs.
*
* Cf. http://wireless.kernel.org/en/developers/Documentation/mac80211/queues
*
* Mac80211 uses the following numbers, which we get as from it
* by way of skb_get_queue_mapping(skb):
*
* VO 0
* VI 1
* BE 2
* BK 3
*
*
* Regular (not A-MPDU) frames are put into hardware queues corresponding
* to the FIFOs, see comments in iwl-prph.h. Aggregated frames get their
* own queue per aggregation session (RA/TID combination), such queues are
* set up to map into FIFOs too, for which we need an AC->FIFO mapping. In
* order to map frames to the right queue, we also need an AC->hw queue
* mapping. This is implemented here.
*
* Due to the way hw queues are set up (by the hw specific modules like
* iwl-4965.c, iwl-5000.c etc.), the AC->hw queue mapping is the identity
* mapping.
*/
static const u8 tid_to_ac[] = {
IEEE80211_AC_BE,
IEEE80211_AC_BK,
IEEE80211_AC_BK,
IEEE80211_AC_BE,
IEEE80211_AC_VI,
IEEE80211_AC_VI,
IEEE80211_AC_VO,
IEEE80211_AC_VO
};
static inline int get_ac_from_tid(u16 tid)
{
if (likely(tid < ARRAY_SIZE(tid_to_ac)))
return tid_to_ac[tid];
/* no support for TIDs 8-15 yet */
return -EINVAL;
}
enum iwl_rxon_context_id { enum iwl_rxon_context_id {
IWL_RXON_CTX_BSS, IWL_RXON_CTX_BSS,
IWL_RXON_CTX_PAN, IWL_RXON_CTX_PAN,
......
...@@ -41,6 +41,43 @@ ...@@ -41,6 +41,43 @@
#define IWL_TX_CRC_SIZE 4 #define IWL_TX_CRC_SIZE 4
#define IWL_TX_DELIMITER_SIZE 4 #define IWL_TX_DELIMITER_SIZE 4
/*
* mac80211 queues, ACs, hardware queues, FIFOs.
*
* Cf. http://wireless.kernel.org/en/developers/Documentation/mac80211/queues
*
* Mac80211 uses the following numbers, which we get as from it
* by way of skb_get_queue_mapping(skb):
*
* VO 0
* VI 1
* BE 2
* BK 3
*
*
* Regular (not A-MPDU) frames are put into hardware queues corresponding
* to the FIFOs, see comments in iwl-prph.h. Aggregated frames get their
* own queue per aggregation session (RA/TID combination), such queues are
* set up to map into FIFOs too, for which we need an AC->FIFO mapping. In
* order to map frames to the right queue, we also need an AC->hw queue
* mapping. This is implemented here.
*
* Due to the way hw queues are set up (by the hw specific code), the AC->hw
* queue mapping is the identity mapping.
*/
static const u8 tid_to_ac[] = {
IEEE80211_AC_BE,
IEEE80211_AC_BK,
IEEE80211_AC_BK,
IEEE80211_AC_BE,
IEEE80211_AC_VI,
IEEE80211_AC_VI,
IEEE80211_AC_VO,
IEEE80211_AC_VO
};
/** /**
* iwl_trans_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array * iwl_trans_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
*/ */
...@@ -442,6 +479,15 @@ void iwl_trans_tx_queue_set_status(struct iwl_trans *trans, ...@@ -442,6 +479,15 @@ void iwl_trans_tx_queue_set_status(struct iwl_trans *trans,
scd_retry ? "BA" : "AC/CMD", txq_id); scd_retry ? "BA" : "AC/CMD", txq_id);
} }
static inline int get_ac_from_tid(u16 tid)
{
if (likely(tid < ARRAY_SIZE(tid_to_ac)))
return tid_to_ac[tid];
/* no support for TIDs 8-15 yet */
return -EINVAL;
}
static inline int get_fifo_from_tid(struct iwl_trans_pcie *trans_pcie, static inline int get_fifo_from_tid(struct iwl_trans_pcie *trans_pcie,
u8 ctx, u16 tid) u8 ctx, u16 tid)
{ {
......
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