summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-lib.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rx.c41
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-sta.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-tx.c4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.h12
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-op-mode.h6
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-scan.c8
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-shared.h18
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-testmode.c4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h8
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c21
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c5
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-ucode.c2
14 files changed, 80 insertions, 57 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index 626b0d184729..e96af5133e06 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -707,7 +707,7 @@ static void iwlagn_set_kill_msk(struct iwl_priv *priv,
}
int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
index bc21586aed63..8e025e0df50d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
@@ -131,7 +131,7 @@ const char *get_cmd_string(u8 cmd)
******************************************************************************/
static int iwlagn_rx_reply_error(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
@@ -146,7 +146,7 @@ static int iwlagn_rx_reply_error(struct iwl_priv *priv,
return 0;
}
-static int iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
+static int iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
@@ -177,7 +177,7 @@ static int iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
static int iwlagn_rx_spectrum_measure_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
@@ -195,7 +195,7 @@ static int iwlagn_rx_spectrum_measure_notif(struct iwl_priv *priv,
}
static int iwlagn_rx_pm_sleep_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
#ifdef CONFIG_IWLWIFI_DEBUG
@@ -208,7 +208,7 @@ static int iwlagn_rx_pm_sleep_notif(struct iwl_priv *priv,
}
static int iwlagn_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
@@ -222,7 +222,7 @@ static int iwlagn_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
}
static int iwlagn_rx_beacon_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
@@ -489,7 +489,7 @@ iwlagn_accumulative_statistics(struct iwl_priv *priv,
#endif
static int iwlagn_rx_statistics(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
unsigned long stamp = jiffies;
@@ -597,7 +597,7 @@ static int iwlagn_rx_statistics(struct iwl_priv *priv,
}
static int iwlagn_rx_reply_statistics(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
@@ -620,7 +620,7 @@ static int iwlagn_rx_reply_statistics(struct iwl_priv *priv,
/* Handle notification from uCode that card's power state is changing
* due to software, hardware, or critical temperature RFKILL */
static int iwlagn_rx_card_state_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
@@ -673,7 +673,7 @@ static int iwlagn_rx_card_state_notif(struct iwl_priv *priv,
}
static int iwlagn_rx_missed_beacon_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
@@ -698,7 +698,7 @@ static int iwlagn_rx_missed_beacon_notif(struct iwl_priv *priv,
/* Cache phy data (Rx signal strength, etc) for HT frame (REPLY_RX_PHY_CMD).
* This will be used later in iwl_rx_reply_rx() for REPLY_RX_MPDU_CMD. */
static int iwlagn_rx_reply_rx_phy(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
@@ -765,12 +765,14 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv,
struct ieee80211_hdr *hdr,
u16 len,
u32 ampdu_status,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct ieee80211_rx_status *stats)
{
struct sk_buff *skb;
__le16 fc = hdr->frame_control;
struct iwl_rxon_context *ctx;
+ struct page *p;
+ int offset;
/* We only process data packets if the interface is open */
if (unlikely(!priv->is_open)) {
@@ -790,7 +792,9 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv,
return;
}
- skb_add_rx_frag(skb, 0, rxb->page, (void *)hdr - rxb_addr(rxb), len);
+ offset = (void *)hdr - rxb_addr(rxb);
+ p = rxb_steal_page(rxb);
+ skb_add_rx_frag(skb, 0, p, offset, len);
iwl_update_stats(priv, false, fc, len);
@@ -817,7 +821,6 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv,
memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats));
ieee80211_rx(priv->hw, skb);
- rxb->page = NULL;
}
static u32 iwlagn_translate_rx_status(struct iwl_priv *priv, u32 decrypt_in)
@@ -923,7 +926,7 @@ static int iwlagn_calc_rssi(struct iwl_priv *priv,
/* Called for REPLY_RX (legacy ABG frames), or
* REPLY_RX_MPDU_CMD (HT high-throughput N frames). */
static int iwlagn_rx_reply_rx(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct ieee80211_hdr *header;
@@ -1043,7 +1046,7 @@ static int iwlagn_rx_reply_rx(struct iwl_priv *priv,
}
static int iwlagn_rx_noa_notification(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_wipan_noa_data *new_data, *old_data;
@@ -1094,7 +1097,7 @@ static int iwlagn_rx_noa_notification(struct iwl_priv *priv,
*/
void iwl_setup_rx_handlers(struct iwl_priv *priv)
{
- int (**handlers)(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
+ int (**handlers)(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
handlers = priv->rx_handlers;
@@ -1149,8 +1152,8 @@ void iwl_setup_rx_handlers(struct iwl_priv *priv)
}
-int iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct iwl_rx_mem_buffer *rxb,
- struct iwl_device_cmd *cmd)
+int iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb,
+ struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index 9ef8da47ad04..736f8dc404df 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -123,7 +123,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv,
return ret;
}
-int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
+int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index 1914bee1891e..dd28785e1a5c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -977,7 +977,7 @@ static void iwl_check_abort_status(struct iwl_priv *priv,
}
}
-int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
+int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
@@ -1108,7 +1108,7 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
* of frames sent via aggregation.
*/
int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index a142a197b2e4..a9c018a7b8ba 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -82,7 +82,7 @@ void iwl_cancel_deferred_work(struct iwl_priv *priv);
void iwlagn_prepare_restart(struct iwl_priv *priv);
void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb);
int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, u8 ac);
void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, u8 ac);
@@ -110,7 +110,7 @@ void iwlagn_config_ht40(struct ieee80211_conf *conf,
/* uCode */
int iwlagn_rx_calib_result(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags);
@@ -142,9 +142,9 @@ int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid);
int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
-int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
+int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
static inline u32 iwl_tx_status_to_mac80211(u32 status)
@@ -179,7 +179,7 @@ void iwlagn_disable_roc(struct iwl_priv *priv);
/* bt coex */
void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
@@ -227,7 +227,7 @@ void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
u8 sta_id, struct iwl_link_quality_cmd *link_cmd);
int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
struct iwl_link_quality_cmd *lq, u8 flags, bool init);
-int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
+int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index ef71463e84ea..5957209b2f37 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -729,9 +729,9 @@ struct iwl_priv {
enum ieee80211_band band;
void (*pre_rx_handler)(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb);
+ struct iwl_rx_cmd_buffer *rxb);
int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
diff --git a/drivers/net/wireless/iwlwifi/iwl-op-mode.h b/drivers/net/wireless/iwlwifi/iwl-op-mode.h
index d4fc9be2d2f3..41e58a136715 100644
--- a/drivers/net/wireless/iwlwifi/iwl-op-mode.h
+++ b/drivers/net/wireless/iwlwifi/iwl-op-mode.h
@@ -67,7 +67,7 @@ struct iwl_op_mode;
struct iwl_trans;
struct sk_buff;
struct iwl_device_cmd;
-struct iwl_rx_mem_buffer;
+struct iwl_rx_cmd_buffer;
/**
* DOC: Operational mode - what is it ?
@@ -125,7 +125,7 @@ struct iwl_rx_mem_buffer;
struct iwl_op_mode_ops {
struct iwl_op_mode *(*start)(struct iwl_trans *trans);
void (*stop)(struct iwl_op_mode *op_mode);
- int (*rx)(struct iwl_op_mode *op_mode, struct iwl_rx_mem_buffer *rxb,
+ int (*rx)(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
void (*queue_full)(struct iwl_op_mode *op_mode, u8 ac);
void (*queue_not_full)(struct iwl_op_mode *op_mode, u8 ac);
@@ -156,7 +156,7 @@ static inline void iwl_op_mode_stop(struct iwl_op_mode *op_mode)
}
static inline int iwl_op_mode_rx(struct iwl_op_mode *op_mode,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
return op_mode->ops->rx(op_mode, rxb, cmd);
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index c0fc3687a2fd..28899dabe6fb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -260,7 +260,7 @@ void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms)
/* Service response to REPLY_SCAN_CMD (0x80) */
static int iwl_rx_reply_scan(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
#ifdef CONFIG_IWLWIFI_DEBUG
@@ -275,7 +275,7 @@ static int iwl_rx_reply_scan(struct iwl_priv *priv,
/* Service SCAN_START_NOTIFICATION (0x82) */
static int iwl_rx_scan_start_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
@@ -302,7 +302,7 @@ static int iwl_rx_scan_start_notif(struct iwl_priv *priv,
/* Service SCAN_RESULTS_NOTIFICATION (0x83) */
static int iwl_rx_scan_results_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
#ifdef CONFIG_IWLWIFI_DEBUG
@@ -328,7 +328,7 @@ static int iwl_rx_scan_results_notif(struct iwl_priv *priv,
/* Service SCAN_COMPLETE_NOTIFICATION (0x84) */
static int iwl_rx_scan_complete_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h
index 53244d88f1ab..ed1811d43550 100644
--- a/drivers/net/wireless/iwlwifi/iwl-shared.h
+++ b/drivers/net/wireless/iwlwifi/iwl-shared.h
@@ -433,13 +433,21 @@ static inline int iwl_queue_dec_wrap(int index, int n_bd)
return --index & (n_bd - 1);
}
-struct iwl_rx_mem_buffer {
- dma_addr_t page_dma;
- struct page *page;
- struct list_head list;
+struct iwl_rx_cmd_buffer {
+ struct page *_page;
};
-#define rxb_addr(r) page_address(r->page)
+static inline void *rxb_addr(struct iwl_rx_cmd_buffer *r)
+{
+ return page_address(r->_page);
+}
+
+static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r)
+{
+ struct page *p = r->_page;
+ r->_page = NULL;
+ return p;
+}
/*
* mac80211 queues, ACs, hardware queues, FIFOs.
diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.c b/drivers/net/wireless/iwlwifi/iwl-testmode.c
index cc1f3e990ad6..b24b166a9482 100644
--- a/drivers/net/wireless/iwlwifi/iwl-testmode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-testmode.c
@@ -131,7 +131,7 @@ struct nla_policy iwl_testmode_gnl_msg_policy[IWL_TM_ATTR_MAX] = {
* See the struct iwl_rx_packet in iwl-commands.h for the format of the
* received events from the device
*/
-static inline int get_event_length(struct iwl_rx_mem_buffer *rxb)
+static inline int get_event_length(struct iwl_rx_cmd_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
if (pkt)
@@ -162,7 +162,7 @@ static inline int get_event_length(struct iwl_rx_mem_buffer *rxb)
*/
static void iwl_testmode_ucode_rx_pkt(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
+ struct iwl_rx_cmd_buffer *rxb)
{
struct ieee80211_hw *hw = priv->hw;
struct sk_buff *skb;
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h
index b1029468ccbd..632d4099900e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h
@@ -49,6 +49,12 @@ struct iwl_host_cmd;
/*This file includes the declaration that are internal to the
* trans_pcie layer */
+struct iwl_rx_mem_buffer {
+ dma_addr_t page_dma;
+ struct page *page;
+ struct list_head list;
+};
+
/**
* struct isr_statistics - interrupt statistics
*
@@ -287,7 +293,7 @@ int iwlagn_txq_attach_buf_to_tfd(struct iwl_trans *trans,
int iwl_queue_init(struct iwl_queue *q, int count, int slots_num, u32 id);
int iwl_trans_pcie_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd);
void iwl_tx_cmd_complete(struct iwl_trans *trans,
- struct iwl_rx_mem_buffer *rxb, int handler_status);
+ struct iwl_rx_cmd_buffer *rxb, int handler_status);
void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_trans *trans,
struct iwl_tx_queue *txq,
u16 byte_cnt);
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
index 6495945637b9..68e89be60bef 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
@@ -367,8 +367,6 @@ void iwl_bg_rx_replenish(struct work_struct *data)
*/
static void iwl_rx_handle(struct iwl_trans *trans)
{
- struct iwl_rx_mem_buffer *rxb;
- struct iwl_rx_packet *pkt;
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_rx_queue *rxq = &trans_pcie->rxq;
@@ -402,6 +400,9 @@ static void iwl_rx_handle(struct iwl_trans *trans)
while (i != r) {
int len, err;
u16 sequence;
+ struct iwl_rx_mem_buffer *rxb;
+ struct iwl_rx_cmd_buffer rxcb;
+ struct iwl_rx_packet *pkt;
rxb = rxq->queue[i];
@@ -418,7 +419,9 @@ static void iwl_rx_handle(struct iwl_trans *trans)
dma_unmap_page(trans->dev, rxb->page_dma,
PAGE_SIZE << hw_params(trans).rx_page_order,
DMA_FROM_DEVICE);
- pkt = rxb_addr(rxb);
+
+ rxcb._page = rxb->page;
+ pkt = rxb_addr(&rxcb);
IWL_DEBUG_RX(trans, "r = %d, i = %d, %s, 0x%02x\n", r,
i, get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd);
@@ -461,10 +464,10 @@ static void iwl_rx_handle(struct iwl_trans *trans)
"reclaim is false, SEQ_RX_FRAME unset: %s\n",
get_cmd_string(pkt->hdr.cmd));
- err = iwl_op_mode_rx(trans->op_mode, rxb, cmd);
+ err = iwl_op_mode_rx(trans->op_mode, &rxcb, cmd);
/*
- * XXX: After here, we should always check rxb->page
+ * XXX: After here, we should always check rxcb._page
* against NULL before touching it or its virtual
* memory (pkt). Because some rx_handler might have
* already taken or freed the pages.
@@ -475,12 +478,16 @@ static void iwl_rx_handle(struct iwl_trans *trans)
* and fire off the (possibly) blocking
* iwl_trans_send_cmd()
* as we reclaim the driver command queue */
- if (rxb->page)
- iwl_tx_cmd_complete(trans, rxb, err);
+ if (rxcb._page)
+ iwl_tx_cmd_complete(trans, &rxcb, err);
else
IWL_WARN(trans, "Claim null rxb?\n");
}
+ /* page was stolen from us */
+ if (rxcb._page == NULL)
+ rxb->page = NULL;
+
/* Reuse the page if possible. For notification packets and
* SKBs that fail to Rx correctly, add them back into the
* rx_free list for reuse later. */
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
index 771fae2f9fd8..0513b90da040 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
@@ -841,7 +841,7 @@ static void iwl_hcmd_queue_reclaim(struct iwl_trans *trans, int txq_id,
* will be executed. The attached skb (if present) will only be freed
* if the callback returns 1
*/
-void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb,
+void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_cmd_buffer *rxb,
int handler_status)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
@@ -879,9 +879,8 @@ void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb,
/* Input error checking is done when commands are added to queue. */
if (meta->flags & CMD_WANT_SKB) {
- struct page *p = rxb->page;
+ struct page *p = rxb_steal_page(rxb);
- rxb->page = NULL;
meta->source->resp_pkt = pkt;
meta->source->_rx_page_addr = (unsigned long)page_address(p);
meta->source->_rx_page_order = hw_params(trans).rx_page_order;
diff --git a/drivers/net/wireless/iwlwifi/iwl-ucode.c b/drivers/net/wireless/iwlwifi/iwl-ucode.c
index 206a61c991dd..12e79d04374f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-ucode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-ucode.c
@@ -228,7 +228,7 @@ static int iwl_send_calib_cfg(struct iwl_trans *trans)
}
int iwlagn_rx_calib_result(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb,
+ struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 06:55:11 +0000