From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
This mapping is transport related.
This allows us to remove the notion of tx queue from the tx path in
the upper layer.
iwl_wake_any_queue moved to transport layer since it needs to access
these mappings.
The TX API is nicer now:
int (*tx)(struct iwl_trans *trans, struct sk_buff *skb,
struct iwl_device_cmd *dev_cmd, u8 ctx, u8 sta_id);
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-agn-rxon.c | 3 +-
drivers/net/wireless/iwlwifi/iwl-agn-tx.c | 53 +-----
drivers/net/wireless/iwlwifi/iwl-agn.c | 23 --
drivers/net/wireless/iwlwifi/iwl-dev.h | 11 -
drivers/net/wireless/iwlwifi/iwl-helpers.h | 13 --
drivers/net/wireless/iwlwifi/iwl-rx.c | 2 +-
drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h | 14 ++
drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c | 8 +-
drivers/net/wireless/iwlwifi/iwl-trans.c | 223 +++++++++++++++------
drivers/net/wireless/iwlwifi/iwl-trans.h | 19 ++-
10 files changed, 201 insertions(+), 168 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index 7ce56ff..b4d7460 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -835,7 +835,8 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
*/
if (ctx->last_tx_rejected) {
ctx->last_tx_rejected = false;
- iwl_wake_any_queue(priv, ctx);
+ iwl_trans_wake_any_queue(trans(priv),
+ ctx->ctxid);
}
ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index bf66575..7da65a4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -278,14 +278,11 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
struct iwl_device_cmd *dev_cmd = NULL;
struct iwl_tx_cmd *tx_cmd;
- int txq_id;
- u16 seq_number = 0;
__le16 fc;
u8 hdr_len;
u16 len;
u8 sta_id;
- u8 tid = 0;
unsigned long flags;
bool is_agg = false;
@@ -343,50 +340,9 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
iwl_sta_modify_sleep_tx_count(priv, sta_id, 1);
}
- /*
- * Send this frame after DTIM -- there's a special queue
- * reserved for this for contexts that support AP mode.
- */
- if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
- txq_id = ctx->mcast_queue;
- /*
- * The microcode will clear the more data
- * bit in the last frame it transmits.
- */
- hdr->frame_control |=
- cpu_to_le16(IEEE80211_FCTL_MOREDATA);
- } else if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN)
- txq_id = IWL_AUX_QUEUE;
- else
- txq_id = ctx->ac_to_queue[skb_get_queue_mapping(skb)];
-
/* irqs already disabled/saved above when locking priv->shrd->lock */
spin_lock(&priv->shrd->sta_lock);
- if (ieee80211_is_data_qos(fc)) {
- u8 *qc = NULL;
- struct iwl_tid_data *tid_data;
- qc = ieee80211_get_qos_ctl(hdr);
- tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
- tid_data = &priv->shrd->tid_data[sta_id][tid];
-
- if (WARN_ON_ONCE(tid >= IWL_MAX_TID_COUNT))
- goto drop_unlock_sta;
-
- seq_number = tid_data->seq_number;
- seq_number &= IEEE80211_SCTL_SEQ;
- hdr->seq_ctrl = hdr->seq_ctrl &
- cpu_to_le16(IEEE80211_SCTL_FRAG);
- hdr->seq_ctrl |= cpu_to_le16(seq_number);
- seq_number += 0x10;
- /* aggregation is on for this <sta,tid> */
- if (info->flags & IEEE80211_TX_CTL_AMPDU &&
- tid_data->agg.state == IWL_AGG_ON) {
- txq_id = tid_data->agg.txq_id;
- is_agg = true;
- }
- }
-
dev_cmd = kmem_cache_alloc(priv->tx_cmd_pool, GFP_ATOMIC);
if (unlikely(!dev_cmd))
@@ -416,16 +372,9 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
info->driver_data[0] = ctx;
info->driver_data[1] = dev_cmd;
- if (iwl_trans_tx(trans(priv), skb, dev_cmd, txq_id, fc, is_agg))
+ if (iwl_trans_tx(trans(priv), skb, dev_cmd, ctx->ctxid, sta_id))
goto drop_unlock_sta;
- if (ieee80211_is_data_qos(fc)) {
- priv->shrd->tid_data[sta_id][tid].tfds_in_queue++;
- if (!ieee80211_has_morefrags(fc))
- priv->shrd->tid_data[sta_id][tid].seq_number =
- seq_number;
- }
-
spin_unlock(&priv->shrd->sta_lock);
spin_unlock_irqrestore(&priv->shrd->lock, flags);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index cfb4a4a..60b964b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -617,24 +617,6 @@ static int iwl_alloc_fw_desc(struct iwl_priv *priv, struct fw_desc *desc,
static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
{
- static const u8 iwlagn_bss_ac_to_fifo[] = {
- IWL_TX_FIFO_VO,
- IWL_TX_FIFO_VI,
- IWL_TX_FIFO_BE,
- IWL_TX_FIFO_BK,
- };
- static const u8 iwlagn_bss_ac_to_queue[] = {
- 0, 1, 2, 3,
- };
- static const u8 iwlagn_pan_ac_to_fifo[] = {
- IWL_TX_FIFO_VO_IPAN,
- IWL_TX_FIFO_VI_IPAN,
- IWL_TX_FIFO_BE_IPAN,
- IWL_TX_FIFO_BK_IPAN,
- };
- static const u8 iwlagn_pan_ac_to_queue[] = {
- 7, 6, 5, 4,
- };
int i;
/*
@@ -656,8 +638,6 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM;
priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID;
priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY;
- priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo = iwlagn_bss_ac_to_fifo;
- priv->contexts[IWL_RXON_CTX_BSS].ac_to_queue = iwlagn_bss_ac_to_queue;
priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes =
BIT(NL80211_IFTYPE_ADHOC);
priv->contexts[IWL_RXON_CTX_BSS].interface_modes =
@@ -677,9 +657,6 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY;
priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID;
priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION;
- priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo = iwlagn_pan_ac_to_fifo;
- priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue = iwlagn_pan_ac_to_queue;
- priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE;
priv->contexts[IWL_RXON_CTX_PAN].interface_modes =
BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 977015b..2e75429 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -244,13 +244,6 @@ struct iwl_channel_info {
#define IWL_DEFAULT_CMD_QUEUE_NUM 4
#define IWL_IPAN_CMD_QUEUE_NUM 9
-/*
- * This queue number is required for proper operation
- * because the ucode will stop/start the scheduler as
- * required.
- */
-#define IWL_IPAN_MCAST_QUEUE 8
-
#define IEEE80211_DATA_LEN 2304
#define IEEE80211_4ADDR_LEN 30
#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
@@ -965,10 +958,6 @@ struct iwl_notification_wait {
struct iwl_rxon_context {
struct ieee80211_vif *vif;
- const u8 *ac_to_fifo;
- const u8 *ac_to_queue;
- u8 mcast_queue;
-
/*
* We could use the vif to indicate active, but we
* also need it to be active during disabling when
diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h
index 8ca624d..7f92d14 100644
--- a/drivers/net/wireless/iwlwifi/iwl-helpers.h
+++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h
@@ -113,19 +113,6 @@ static inline void iwl_stop_queue(struct iwl_priv *priv,
ieee80211_stop_queue(priv->hw, ac);
}
-static inline void iwl_wake_any_queue(struct iwl_priv *priv,
- struct iwl_rxon_context *ctx)
-{
- u8 ac;
-
- for (ac = 0; ac < AC_NUM; ac++) {
- IWL_DEBUG_INFO(priv, "Queue Status: Q[%d] %s\n",
- ac, (atomic_read(&priv->queue_stop_count[ac]) > 0)
- ? "stopped" : "awake");
- iwl_wake_queue(priv, &priv->txq[ctx->ac_to_queue[ac]]);
- }
-}
-
#ifdef ieee80211_stop_queue
#undef ieee80211_stop_queue
#endif
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 2c6659c..8572548 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -699,7 +699,7 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv,
ctx->active.bssid_addr))
continue;
ctx->last_tx_rejected = false;
- iwl_wake_any_queue(priv, ctx);
+ iwl_trans_wake_any_queue(trans(priv), ctx->ctxid);
}
}
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h b/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h
index f443c10..d73ebef 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h
@@ -107,6 +107,13 @@ struct iwl_dma_ptr {
size_t size;
};
+/*
+ * This queue number is required for proper operation
+ * because the ucode will stop/start the scheduler as
+ * required.
+ */
+#define IWL_IPAN_MCAST_QUEUE 8
+
/**
* struct iwl_trans_pcie - PCIe transport specific data
* @rxq: all the RX queue data
@@ -115,6 +122,9 @@ struct iwl_dma_ptr {
* @scd_base_addr: scheduler sram base address in SRAM
* @scd_bc_tbls: pointer to the byte count table of the scheduler
* @kw: keep warm address
+ * @ac_to_fifo: to what fifo is a specifc AC mapped ?
+ * @ac_to_queue: to what tx queue is a specifc AC mapped ?
+ * @mcast_queue:
*/
struct iwl_trans_pcie {
struct iwl_rx_queue rxq;
@@ -136,6 +146,10 @@ struct iwl_trans_pcie {
u32 scd_base_addr;
struct iwl_dma_ptr scd_bc_tbls;
struct iwl_dma_ptr kw;
+
+ const u8 *ac_to_fifo[NUM_IWL_RXON_CTX];
+ const u8 *ac_to_queue[NUM_IWL_RXON_CTX];
+ u8 mcast_queue[NUM_IWL_RXON_CTX];
};
#define IWL_TRANS_GET_PCIE_TRANS(_iwl_trans) \
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
index 31adf99..aa67f9a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
@@ -424,10 +424,12 @@ void iwl_trans_tx_queue_set_status(struct iwl_priv *priv,
scd_retry ? "BA" : "AC/CMD", txq_id, tx_fifo_id);
}
-static inline int get_fifo_from_tid(struct iwl_rxon_context *ctx, u16 tid)
+static inline int get_fifo_from_tid(struct iwl_trans_pcie *trans_pcie,
+ u8 ctx, u16 tid)
{
+ const u8 *ac_to_fifo = trans_pcie->ac_to_fifo[ctx];
if (likely(tid < ARRAY_SIZE(tid_to_ac)))
- return ctx->ac_to_fifo[tid_to_ac[tid]];
+ return ac_to_fifo[tid_to_ac[tid]];
/* no support for TIDs 8-15 yet */
return -EINVAL;
@@ -451,7 +453,7 @@ void iwl_trans_pcie_txq_agg_setup(struct iwl_priv *priv,
if (WARN_ON(tid >= IWL_MAX_TID_COUNT))
return;
- tx_fifo = get_fifo_from_tid(&priv->contexts[ctx], tid);
+ tx_fifo = get_fifo_from_tid(trans_pcie, ctx, tid);
if (WARN_ON(tx_fifo < 0)) {
IWL_ERR(trans, "txq_agg_setup, bad fifo: %d\n", tx_fifo);
return;
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.c b/drivers/net/wireless/iwlwifi/iwl-trans.c
index 7de042c..133b227 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.c
@@ -714,12 +714,75 @@ static int iwl_trans_pcie_prepare_card_hw(struct iwl_trans *trans)
return ret;
}
+#define IWL_AC_UNSET -1
+
+struct queue_to_fifo_ac {
+ s8 fifo, ac;
+};
+
+static const struct queue_to_fifo_ac iwlagn_default_queue_to_tx_fifo[] = {
+ { IWL_TX_FIFO_VO, IEEE80211_AC_VO, },
+ { IWL_TX_FIFO_VI, IEEE80211_AC_VI, },
+ { IWL_TX_FIFO_BE, IEEE80211_AC_BE, },
+ { IWL_TX_FIFO_BK, IEEE80211_AC_BK, },
+ { IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, },
+ { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
+ { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
+ { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
+ { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
+ { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
+ { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
+};
+
+static const struct queue_to_fifo_ac iwlagn_ipan_queue_to_tx_fifo[] = {
+ { IWL_TX_FIFO_VO, IEEE80211_AC_VO, },
+ { IWL_TX_FIFO_VI, IEEE80211_AC_VI, },
+ { IWL_TX_FIFO_BE, IEEE80211_AC_BE, },
+ { IWL_TX_FIFO_BK, IEEE80211_AC_BK, },
+ { IWL_TX_FIFO_BK_IPAN, IEEE80211_AC_BK, },
+ { IWL_TX_FIFO_BE_IPAN, IEEE80211_AC_BE, },
+ { IWL_TX_FIFO_VI_IPAN, IEEE80211_AC_VI, },
+ { IWL_TX_FIFO_VO_IPAN, IEEE80211_AC_VO, },
+ { IWL_TX_FIFO_BE_IPAN, 2, },
+ { IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, },
+ { IWL_TX_FIFO_AUX, IWL_AC_UNSET, },
+};
+
+static const u8 iwlagn_bss_ac_to_fifo[] = {
+ IWL_TX_FIFO_VO,
+ IWL_TX_FIFO_VI,
+ IWL_TX_FIFO_BE,
+ IWL_TX_FIFO_BK,
+};
+static const u8 iwlagn_bss_ac_to_queue[] = {
+ 0, 1, 2, 3,
+};
+static const u8 iwlagn_pan_ac_to_fifo[] = {
+ IWL_TX_FIFO_VO_IPAN,
+ IWL_TX_FIFO_VI_IPAN,
+ IWL_TX_FIFO_BE_IPAN,
+ IWL_TX_FIFO_BK_IPAN,
+};
+static const u8 iwlagn_pan_ac_to_queue[] = {
+ 7, 6, 5, 4,
+};
+
static int iwl_trans_pcie_start_device(struct iwl_trans *trans)
{
int ret;
struct iwl_priv *priv = priv(trans);
+ struct iwl_trans_pcie *trans_pcie =
+ IWL_TRANS_GET_PCIE_TRANS(trans);
priv->shrd->ucode_owner = IWL_OWNERSHIP_DRIVER;
+ trans_pcie->ac_to_queue[IWL_RXON_CTX_BSS] = iwlagn_bss_ac_to_queue;
+ trans_pcie->ac_to_queue[IWL_RXON_CTX_PAN] = iwlagn_pan_ac_to_queue;
+
+ trans_pcie->ac_to_fifo[IWL_RXON_CTX_BSS] = iwlagn_bss_ac_to_fifo;
+ trans_pcie->ac_to_fifo[IWL_RXON_CTX_PAN] = iwlagn_pan_ac_to_fifo;
+
+ trans_pcie->mcast_queue[IWL_RXON_CTX_BSS] = 0;
+ trans_pcie->mcast_queue[IWL_RXON_CTX_PAN] = IWL_IPAN_MCAST_QUEUE;
if ((hw_params(priv).sku & EEPROM_SKU_CAP_AMT_ENABLE) &&
iwl_trans_pcie_prepare_card_hw(trans)) {
@@ -773,39 +836,6 @@ static void iwl_trans_txq_set_sched(struct iwl_trans *trans, u32 mask)
iwl_write_prph(bus(trans), SCD_TXFACT, mask);
}
-#define IWL_AC_UNSET -1
-
-struct queue_to_fifo_ac {
- s8 fifo, ac;
-};
-
-static const struct queue_to_fifo_ac iwlagn_default_queue_to_tx_fifo[] = {
- { IWL_TX_FIFO_VO, IEEE80211_AC_VO, },
- { IWL_TX_FIFO_VI, IEEE80211_AC_VI, },
- { IWL_TX_FIFO_BE, IEEE80211_AC_BE, },
- { IWL_TX_FIFO_BK, IEEE80211_AC_BK, },
- { IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, },
- { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
- { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
- { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
- { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
- { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
- { IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
-};
-
-static const struct queue_to_fifo_ac iwlagn_ipan_queue_to_tx_fifo[] = {
- { IWL_TX_FIFO_VO, IEEE80211_AC_VO, },
- { IWL_TX_FIFO_VI, IEEE80211_AC_VI, },
- { IWL_TX_FIFO_BE, IEEE80211_AC_BE, },
- { IWL_TX_FIFO_BK, IEEE80211_AC_BK, },
- { IWL_TX_FIFO_BK_IPAN, IEEE80211_AC_BK, },
- { IWL_TX_FIFO_BE_IPAN, IEEE80211_AC_BE, },
- { IWL_TX_FIFO_VI_IPAN, IEEE80211_AC_VI, },
- { IWL_TX_FIFO_VO_IPAN, IEEE80211_AC_VO, },
- { IWL_TX_FIFO_BE_IPAN, 2, },
- { IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, },
- { IWL_TX_FIFO_AUX, IWL_AC_UNSET, },
-};
static void iwl_trans_pcie_tx_start(struct iwl_trans *trans)
{
const struct queue_to_fifo_ac *queue_to_fifo;
@@ -1012,22 +1042,75 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
iwl_apm_stop(priv(trans));
}
-static int iwl_trans_pcie_tx(struct iwl_priv *priv, struct sk_buff *skb,
- struct iwl_device_cmd *dev_cmd, int txq_id,
- __le16 fc, bool ampdu)
+static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
+ struct iwl_device_cmd *dev_cmd, u8 ctx, u8 sta_id)
{
- struct iwl_tx_queue *txq = &priv->txq[txq_id];
- struct iwl_queue *q = &txq->q;
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct iwl_tx_cmd *tx_cmd = &dev_cmd->cmd.tx;
struct iwl_cmd_meta *out_meta;
+ struct iwl_tx_queue *txq;
+ struct iwl_queue *q;
dma_addr_t phys_addr = 0;
dma_addr_t txcmd_phys;
dma_addr_t scratch_phys;
u16 len, firstlen, secondlen;
+ u16 seq_number = 0;
u8 wait_write_ptr = 0;
+ u8 txq_id;
+ u8 tid = 0;
+ bool is_agg = false;
+ __le16 fc = hdr->frame_control;
u8 hdr_len = ieee80211_hdrlen(fc);
+ /*
+ * Send this frame after DTIM -- there's a special queue
+ * reserved for this for contexts that support AP mode.
+ */
+ if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
+ txq_id = trans_pcie->mcast_queue[ctx];
+
+ /*
+ * The microcode will clear the more data
+ * bit in the last frame it transmits.
+ */
+ hdr->frame_control |=
+ cpu_to_le16(IEEE80211_FCTL_MOREDATA);
+ } else if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN)
+ txq_id = IWL_AUX_QUEUE;
+ else
+ txq_id =
+ trans_pcie->ac_to_queue[ctx][skb_get_queue_mapping(skb)];
+
+ if (ieee80211_is_data_qos(fc)) {
+ u8 *qc = NULL;
+ struct iwl_tid_data *tid_data;
+ qc = ieee80211_get_qos_ctl(hdr);
+ tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
+ tid_data = &trans->shrd->tid_data[sta_id][tid];
+
+ if (WARN_ON_ONCE(tid >= IWL_MAX_TID_COUNT))
+ return -1;
+
+ seq_number = tid_data->seq_number;
+ seq_number &= IEEE80211_SCTL_SEQ;
+ hdr->seq_ctrl = hdr->seq_ctrl &
+ cpu_to_le16(IEEE80211_SCTL_FRAG);
+ hdr->seq_ctrl |= cpu_to_le16(seq_number);
+ seq_number += 0x10;
+ /* aggregation is on for this <sta,tid> */
+ if (info->flags & IEEE80211_TX_CTL_AMPDU &&
+ tid_data->agg.state == IWL_AGG_ON) {
+ txq_id = tid_data->agg.txq_id;
+ is_agg = true;
+ }
+ }
+
+ txq = &priv(trans)->txq[txq_id];
+ q = &txq->q;
+
/* Set up driver data for this TFD */
txq->skbs[q->write_ptr] = skb;
txq->cmd[q->write_ptr] = dev_cmd;
@@ -1058,10 +1141,10 @@ static int iwl_trans_pcie_tx(struct iwl_priv *priv, struct sk_buff *skb,
/* Physical address of this Tx command's header (not MAC header!),
* within command buffer array. */
- txcmd_phys = dma_map_single(priv->bus->dev,
+ txcmd_phys = dma_map_single(bus(trans)->dev,
&dev_cmd->hdr, firstlen,
DMA_BIDIRECTIONAL);
- if (unlikely(dma_mapping_error(priv->bus->dev, txcmd_phys)))
+ if (unlikely(dma_mapping_error(bus(trans)->dev, txcmd_phys)))
return -1;
dma_unmap_addr_set(out_meta, mapping, txcmd_phys);
dma_unmap_len_set(out_meta, len, firstlen);
@@ -1077,10 +1160,10 @@ static int iwl_trans_pcie_tx(struct iwl_priv *priv, struct sk_buff *skb,
* if any (802.11 null frames have no payload). */
secondlen = skb->len - hdr_len;
if (secondlen > 0) {
- phys_addr = dma_map_single(priv->bus->dev, skb->data + hdr_len,
+ phys_addr = dma_map_single(bus(trans)->dev, skb->data + hdr_len,
secondlen, DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(priv->bus->dev, phys_addr))) {
- dma_unmap_single(priv->bus->dev,
+ if (unlikely(dma_mapping_error(bus(trans)->dev, phys_addr))) {
+ dma_unmap_single(bus(trans)->dev,
dma_unmap_addr(out_meta, mapping),
dma_unmap_len(out_meta, len),
DMA_BIDIRECTIONAL);
@@ -1089,36 +1172,35 @@ static int iwl_trans_pcie_tx(struct iwl_priv *priv, struct sk_buff *skb,
}
/* Attach buffers to TFD */
- iwlagn_txq_attach_buf_to_tfd(trans(priv), txq, txcmd_phys,
- firstlen, 1);
+ iwlagn_txq_attach_buf_to_tfd(trans, txq, txcmd_phys, firstlen, 1);
if (secondlen > 0)
- iwlagn_txq_attach_buf_to_tfd(trans(priv), txq, phys_addr,
+ iwlagn_txq_attach_buf_to_tfd(trans, txq, phys_addr,
secondlen, 0);
scratch_phys = txcmd_phys + sizeof(struct iwl_cmd_header) +
offsetof(struct iwl_tx_cmd, scratch);
/* take back ownership of DMA buffer to enable update */
- dma_sync_single_for_cpu(priv->bus->dev, txcmd_phys, firstlen,
+ dma_sync_single_for_cpu(bus(trans)->dev, txcmd_phys, firstlen,
DMA_BIDIRECTIONAL);
tx_cmd->dram_lsb_ptr = cpu_to_le32(scratch_phys);
tx_cmd->dram_msb_ptr = iwl_get_dma_hi_addr(scratch_phys);
- IWL_DEBUG_TX(priv, "sequence nr = 0X%x\n",
+ IWL_DEBUG_TX(trans, "sequence nr = 0X%x\n",
le16_to_cpu(dev_cmd->hdr.sequence));
- IWL_DEBUG_TX(priv, "tx_flags = 0X%x\n", le32_to_cpu(tx_cmd->tx_flags));
- iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx_cmd, sizeof(*tx_cmd));
- iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len);
+ IWL_DEBUG_TX(trans, "tx_flags = 0X%x\n", le32_to_cpu(tx_cmd->tx_flags));
+ iwl_print_hex_dump(trans, IWL_DL_TX, (u8 *)tx_cmd, sizeof(*tx_cmd));
+ iwl_print_hex_dump(trans, IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len);
/* Set up entry for this TFD in Tx byte-count array */
- if (ampdu)
- iwl_trans_txq_update_byte_cnt_tbl(trans(priv), txq,
+ if (is_agg)
+ iwl_trans_txq_update_byte_cnt_tbl(trans, txq,
le16_to_cpu(tx_cmd->len));
- dma_sync_single_for_device(priv->bus->dev, txcmd_phys, firstlen,
+ dma_sync_single_for_device(bus(trans)->dev, txcmd_phys, firstlen,
DMA_BIDIRECTIONAL);
- trace_iwlwifi_dev_tx(priv,
+ trace_iwlwifi_dev_tx(priv(trans),
&((struct iwl_tfd *)txq->tfds)[txq->q.write_ptr],
sizeof(struct iwl_tfd),
&dev_cmd->hdr, firstlen,
@@ -1126,7 +1208,14 @@ static int iwl_trans_pcie_tx(struct iwl_priv *priv, struct sk_buff *skb,
/* Tell device the write index *just past* this latest filled TFD */
q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);
- iwl_txq_update_write_ptr(trans(priv), txq);
+ iwl_txq_update_write_ptr(trans, txq);
+
+ if (ieee80211_is_data_qos(fc)) {
+ trans->shrd->tid_data[sta_id][tid].tfds_in_queue++;
+ if (!ieee80211_has_morefrags(fc))
+ trans->shrd->tid_data[sta_id][tid].seq_number =
+ seq_number;
+ }
/*
* At this point the frame is "transmitted" successfully
@@ -1137,9 +1226,9 @@ static int iwl_trans_pcie_tx(struct iwl_priv *priv, struct sk_buff *skb,
if (iwl_queue_space(q) < q->high_mark) {
if (wait_write_ptr) {
txq->need_update = 1;
- iwl_txq_update_write_ptr(trans(priv), txq);
+ iwl_txq_update_write_ptr(trans, txq);
} else {
- iwl_stop_queue(priv, txq);
+ iwl_stop_queue(priv(trans), txq);
}
}
return 0;
@@ -1262,6 +1351,23 @@ static int iwl_trans_pcie_resume(struct iwl_trans *trans)
#endif /* CONFIG_PM */
+static void iwl_trans_pcie_wake_any_queue(struct iwl_trans *trans,
+ u8 ctx)
+{
+ u8 ac, txq_id;
+ struct iwl_trans_pcie *trans_pcie =
+ IWL_TRANS_GET_PCIE_TRANS(trans);
+
+ for (ac = 0; ac < AC_NUM; ac++) {
+ txq_id = trans_pcie->ac_to_queue[ctx][ac];
+ IWL_DEBUG_INFO(trans, "Queue Status: Q[%d] %s\n",
+ ac,
+ (atomic_read(&priv(trans)->queue_stop_count[ac]) > 0)
+ ? "stopped" : "awake");
+ iwl_wake_queue(priv(trans), &priv(trans)->txq[txq_id]);
+ }
+}
+
const struct iwl_trans_ops trans_ops_pcie;
static struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd)
@@ -1842,6 +1948,7 @@ const struct iwl_trans_ops trans_ops_pcie = {
.stop_device = iwl_trans_pcie_stop_device,
.tx_start = iwl_trans_pcie_tx_start,
+ .wake_any_queue = iwl_trans_pcie_wake_any_queue,
.send_cmd = iwl_trans_pcie_send_cmd,
.send_cmd_pdu = iwl_trans_pcie_send_cmd_pdu,
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 0691d39..0fee884 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -88,6 +88,7 @@ struct iwl_device_cmd;
* probe.
* @tx_start: starts and configures all the Tx fifo - usually done once the fw
* is alive.
+ * @wake_any_queue: wake all the queues of a specfic context IWL_RXON_CTX_*
* @stop_device:stops the whole device (embedded CPU put to reset)
* @send_cmd:send a host command
* @send_cmd_pdu:send a host command: flags can be CMD_*
@@ -113,13 +114,14 @@ struct iwl_trans_ops {
void (*stop_device)(struct iwl_trans *trans);
void (*tx_start)(struct iwl_trans *trans);
+ void (*wake_any_queue)(struct iwl_trans *trans, u8 ctx);
+
int (*send_cmd)(struct iwl_trans *trans, struct iwl_host_cmd *cmd);
int (*send_cmd_pdu)(struct iwl_trans *trans, u8 id, u32 flags, u16 len,
const void *data);
- int (*tx)(struct iwl_priv *priv, struct sk_buff *skb,
- struct iwl_device_cmd *dev_cmd,
- int txq_id, __le16 fc, bool ampdu);
+ int (*tx)(struct iwl_trans *trans, struct sk_buff *skb,
+ struct iwl_device_cmd *dev_cmd, u8 ctx, u8 sta_id);
void (*reclaim)(struct iwl_trans *trans, int txq_id, int ssn,
u32 status, struct sk_buff_head *skbs);
@@ -178,6 +180,12 @@ static inline void iwl_trans_tx_start(struct iwl_trans *trans)
trans->ops->tx_start(trans);
}
+static inline void iwl_trans_wake_any_queue(struct iwl_trans *trans, u8 ctx)
+{
+ trans->ops->wake_any_queue(trans, ctx);
+}
+
+
static inline int iwl_trans_send_cmd(struct iwl_trans *trans,
struct iwl_host_cmd *cmd)
{
@@ -191,10 +199,9 @@ static inline int iwl_trans_send_cmd_pdu(struct iwl_trans *trans, u8 id,
}
static inline int iwl_trans_tx(struct iwl_trans *trans, struct sk_buff *skb,
- struct iwl_device_cmd *dev_cmd,
- int txq_id, __le16 fc, bool ampdu)
+ struct iwl_device_cmd *dev_cmd, u8 ctx, u8 sta_id)
{
- return trans->ops->tx(priv(trans), skb, dev_cmd, txq_id, fc, ampdu);
+ return trans->ops->tx(trans, skb, dev_cmd, ctx, sta_id);
}
static inline void iwl_trans_reclaim(struct iwl_trans *trans, int txq_id,
--
1.7.0.4
--
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