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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.c36
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965-rs.c17
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.c28
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c6
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-helpers.h109
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-tx.c49
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c33
-rw-r--r--include/linux/ieee80211.h392
8 files changed, 457 insertions, 213 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 0ba6889dfd41..63f20370032d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -388,7 +388,7 @@ static void iwl3945_dbg_report_frame(struct iwl3945_priv *priv,
u32 print_dump = 0; /* set to 1 to dump all frames' contents */
u32 hundred = 0;
u32 dataframe = 0;
- u16 fc;
+ __le16 fc;
u16 seq_ctl;
u16 channel;
u16 phy_flags;
@@ -407,7 +407,7 @@ static void iwl3945_dbg_report_frame(struct iwl3945_priv *priv,
u8 *data = IWL_RX_DATA(pkt);
/* MAC header */
- fc = le16_to_cpu(header->frame_control);
+ fc = header->frame_control;
seq_ctl = le16_to_cpu(header->seq_ctrl);
/* metadata */
@@ -431,8 +431,8 @@ static void iwl3945_dbg_report_frame(struct iwl3945_priv *priv,
/* if data frame is to us and all is good,
* (optionally) print summary for only 1 out of every 100 */
- if (to_us && (fc & ~IEEE80211_FCTL_PROTECTED) ==
- (IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) {
+ if (to_us && (fc & ~cpu_to_le16(IEEE80211_FCTL_PROTECTED)) ==
+ cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) {
dataframe = 1;
if (!group100)
print_summary = 1; /* print each frame */
@@ -455,13 +455,13 @@ static void iwl3945_dbg_report_frame(struct iwl3945_priv *priv,
if (hundred)
title = "100Frames";
- else if (fc & IEEE80211_FCTL_RETRY)
+ else if (ieee80211_has_retry(fc))
title = "Retry";
- else if (ieee80211_is_assoc_response(fc))
+ else if (ieee80211_is_assoc_resp(fc))
title = "AscRsp";
- else if (ieee80211_is_reassoc_response(fc))
+ else if (ieee80211_is_reassoc_resp(fc))
title = "RasRsp";
- else if (ieee80211_is_probe_response(fc)) {
+ else if (ieee80211_is_probe_resp(fc)) {
title = "PrbRsp";
print_dump = 1; /* dump frame contents */
} else if (ieee80211_is_beacon(fc)) {
@@ -490,14 +490,14 @@ static void iwl3945_dbg_report_frame(struct iwl3945_priv *priv,
if (dataframe)
IWL_DEBUG_RX("%s: mhd=0x%04x, dst=0x%02x, "
"len=%u, rssi=%d, chnl=%d, rate=%u, \n",
- title, fc, header->addr1[5],
+ title, le16_to_cpu(fc), header->addr1[5],
length, rssi, channel, rate);
else {
/* src/dst addresses assume managed mode */
IWL_DEBUG_RX("%s: 0x%04x, dst=0x%02x, "
"src=0x%02x, rssi=%u, tim=%lu usec, "
"phy=0x%02x, chnl=%d\n",
- title, fc, header->addr1[5],
+ title, le16_to_cpu(fc), header->addr1[5],
header->addr3[5], rssi,
tsf_low - priv->scan_start_tsf,
phy_flags, channel);
@@ -971,7 +971,7 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
u8 rts_retry_limit;
u8 data_retry_limit;
__le32 tx_flags;
- u16 fc = le16_to_cpu(hdr->frame_control);
+ __le16 fc = hdr->frame_control;
rate = iwl3945_rates[rate_index].plcp;
tx_flags = cmd->cmd.tx.tx_flags;
@@ -996,7 +996,7 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
else
rts_retry_limit = 7;
- if (ieee80211_is_probe_response(fc)) {
+ if (ieee80211_is_probe_resp(fc)) {
data_retry_limit = 3;
if (data_retry_limit < rts_retry_limit)
rts_retry_limit = data_retry_limit;
@@ -1006,12 +1006,12 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
if (priv->data_retry_limit != -1)
data_retry_limit = priv->data_retry_limit;
- if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) {
- switch (fc & IEEE80211_FCTL_STYPE) {
- case IEEE80211_STYPE_AUTH:
- case IEEE80211_STYPE_DEAUTH:
- case IEEE80211_STYPE_ASSOC_REQ:
- case IEEE80211_STYPE_REASSOC_REQ:
+ if (ieee80211_is_mgmt(fc)) {
+ switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
+ case cpu_to_le16(IEEE80211_STYPE_AUTH):
+ case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
+ case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ):
+ case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ):
if (tx_flags & TX_CMD_FLG_RTS_MSK) {
tx_flags &= ~TX_CMD_FLG_RTS_MSK;
tx_flags |= TX_CMD_FLG_CTS_MSK;
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
index d601d31e0de9..202303117285 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
@@ -281,11 +281,11 @@ static u8 rs_tl_add_packet(struct iwl4965_lq_sta *lq_data,
u32 time_diff;
s32 index;
struct iwl4965_traffic_load *tl = NULL;
- u16 fc = le16_to_cpu(hdr->frame_control);
+ __le16 fc = hdr->frame_control;
u8 tid;
- if (ieee80211_is_qos_data(fc)) {
- u8 *qc = ieee80211_get_qos_ctrl(hdr, ieee80211_get_hdrlen(fc));
+ if (ieee80211_is_data_qos(fc)) {
+ u8 *qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
} else
return MAX_TID_COUNT;
@@ -794,7 +794,7 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev,
struct iwl4965_scale_tbl_info tbl_type;
struct iwl4965_scale_tbl_info *curr_tbl, *search_tbl;
u8 active_index = 0;
- u16 fc = le16_to_cpu(hdr->frame_control);
+ __le16 fc = hdr->frame_control;
s32 tpt = 0;
IWL_DEBUG_RATE_LIMIT("get frame ack response, update rate scale window\n");
@@ -1651,7 +1651,8 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
int high_tpt = IWL_INVALID_VALUE;
u32 fail_count;
s8 scale_action = 0;
- u16 fc, rate_mask;
+ __le16 fc;
+ u16 rate_mask;
u8 update_lq = 0;
struct iwl4965_lq_sta *lq_sta;
struct iwl4965_scale_tbl_info *tbl, *tbl1;
@@ -1666,7 +1667,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
IWL_DEBUG_RATE("rate scale calculate new rate for skb\n");
- fc = le16_to_cpu(hdr->frame_control);
+ fc = hdr->frame_control;
if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1)) {
/* Send management frames and broadcast/multicast data using
* lowest rate. */
@@ -2100,7 +2101,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
struct ieee80211_conf *conf = &local->hw.conf;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct sta_info *sta;
- u16 fc;
+ __le16 fc;
struct iwl_priv *priv = (struct iwl_priv *)priv_rate;
struct iwl4965_lq_sta *lq_sta;
@@ -2112,7 +2113,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
/* Send management frames and broadcast/multicast data using lowest
* rate. */
- fc = le16_to_cpu(hdr->frame_control);
+ fc = hdr->frame_control;
if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1) ||
!sta || !sta->rate_ctrl_priv) {
sel->rate_idx = rate_lowest_index(local, sband, sta);
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index df345cb6fd7d..ab5027345a01 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2388,7 +2388,7 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv,
u32 print_dump = 0; /* set to 1 to dump all frames' contents */
u32 hundred = 0;
u32 dataframe = 0;
- u16 fc;
+ __le16 fc;
u16 seq_ctl;
u16 channel;
u16 phy_flags;
@@ -2411,7 +2411,7 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv,
return;
/* MAC header */
- fc = le16_to_cpu(header->frame_control);
+ fc = header->frame_control;
seq_ctl = le16_to_cpu(header->seq_ctrl);
/* metadata */
@@ -2436,8 +2436,8 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv,
/* if data frame is to us and all is good,
* (optionally) print summary for only 1 out of every 100 */
- if (to_us && (fc & ~IEEE80211_FCTL_PROTECTED) ==
- (IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) {
+ if (to_us && (fc & ~cpu_to_le16(IEEE80211_FCTL_PROTECTED)) ==
+ cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) {
dataframe = 1;
if (!group100)
print_summary = 1; /* print each frame */
@@ -2461,13 +2461,13 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv,
if (hundred)
title = "100Frames";
- else if (fc & IEEE80211_FCTL_RETRY)
+ else if (ieee80211_has_retry(fc))
title = "Retry";
- else if (ieee80211_is_assoc_response(fc))
+ else if (ieee80211_is_assoc_resp(fc))
title = "AscRsp";
- else if (ieee80211_is_reassoc_response(fc))
+ else if (ieee80211_is_reassoc_resp(fc))
title = "RasRsp";
- else if (ieee80211_is_probe_response(fc)) {
+ else if (ieee80211_is_probe_resp(fc)) {
title = "PrbRsp";
print_dump = 1; /* dump frame contents */
} else if (ieee80211_is_beacon(fc)) {
@@ -2496,14 +2496,14 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv,
if (dataframe)
IWL_DEBUG_RX("%s: mhd=0x%04x, dst=0x%02x, "
"len=%u, rssi=%d, chnl=%d, rate=%u, \n",
- title, fc, header->addr1[5],
+ title, le16_to_cpu(fc), header->addr1[5],
length, rssi, channel, bitrate);
else {
/* src/dst addresses assume managed mode */
IWL_DEBUG_RX("%s: 0x%04x, dst=0x%02x, "
"src=0x%02x, rssi=%u, tim=%lu usec, "
"phy=0x%02x, chnl=%d\n",
- title, fc, header->addr1[5],
+ title, le16_to_cpu(fc), header->addr1[5],
header->addr3[5], rssi,
tsf_low - priv->scan_start_tsf,
phy_flags, channel);
@@ -3219,7 +3219,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
struct iwl4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
u32 status = le32_to_cpu(tx_resp->u.status);
int tid = MAX_TID_COUNT, sta_id = IWL_INVALID_STATION;
- u16 fc;
+ __le16 fc;
struct ieee80211_hdr *hdr;
u8 *qc = NULL;
@@ -3235,9 +3235,9 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
memset(&info->status, 0, sizeof(info->status));
hdr = iwl_tx_queue_get_hdr(priv, txq_id, index);
- fc = le16_to_cpu(hdr->frame_control);
- if (ieee80211_is_qos_data(fc)) {
- qc = ieee80211_get_qos_ctrl(hdr, ieee80211_get_hdrlen(fc));
+ fc = hdr->frame_control;
+ if (ieee80211_is_data_qos(fc)) {
+ qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
}
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 8c466b02bdff..438c3812c390 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1252,7 +1252,6 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
struct iwl5000_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
u32 status = le16_to_cpu(tx_resp->status.status);
int tid = MAX_TID_COUNT, sta_id = IWL_INVALID_STATION;
- u16 fc;
struct ieee80211_hdr *hdr;
u8 *qc = NULL;
@@ -1268,9 +1267,8 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
memset(&info->status, 0, sizeof(info->status));
hdr = iwl_tx_queue_get_hdr(priv, txq_id, index);
- fc = le16_to_cpu(hdr->frame_control);
- if (ieee80211_is_qos_data(fc)) {
- qc = ieee80211_get_qos_ctrl(hdr, ieee80211_get_hdrlen(fc));
+ if (ieee80211_is_data_qos(hdr->frame_control)) {
+ qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
}
diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h
index eec423a98fe6..41eed6793328 100644
--- a/drivers/net/wireless/iwlwifi/iwl-helpers.h
+++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h
@@ -145,115 +145,6 @@ static inline struct ieee80211_conf *ieee80211_get_hw_conf(
return &hw->conf;
}
-#define QOS_CONTROL_LEN 2
-
-
-static inline int ieee80211_is_management(u16 fc)
-{
- return (fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT;
-}
-
-static inline int ieee80211_is_control(u16 fc)
-{
- return (fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL;
-}
-
-static inline int ieee80211_is_data(u16 fc)
-{
- return (fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA;
-}
-
-static inline int ieee80211_is_back_request(u16 fc)
-{
- return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BACK_REQ);
-}
-
-static inline int ieee80211_is_probe_response(u16 fc)
-{
- return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP);
-}
-
-static inline int ieee80211_is_probe_request(u16 fc)
-{
- return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_REQ);
-}
-
-static inline int ieee80211_is_beacon(u16 fc)
-{
- return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BEACON);
-}
-
-static inline int ieee80211_is_atim(u16 fc)
-{
- return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_ATIM);
-}
-
-static inline int ieee80211_is_assoc_request(u16 fc)
-{
- return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_ASSOC_REQ);
-}
-
-static inline int ieee80211_is_assoc_response(u16 fc)
-{
- return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_ASSOC_RESP);
-}
-
-static inline int ieee80211_is_auth(u16 fc)
-{
- return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_ASSOC_REQ);
-}
-
-static inline int ieee80211_is_deauth(u16 fc)
-{
- return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_ASSOC_REQ);
-}
-
-static inline int ieee80211_is_disassoc(u16 fc)
-{
- return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_ASSOC_REQ);
-}
-
-static inline int ieee80211_is_reassoc_request(u16 fc)
-{
- return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_REASSOC_REQ);
-}
-
-static inline int ieee80211_is_reassoc_response(u16 fc)
-{
- return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_REASSOC_RESP);
-}
-
-static inline int ieee80211_is_qos_data(u16 fc)
-{
- return ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_QOS_DATA);
-}
-/**
- * ieee80211_get_qos_ctrl - get pointer to the QoS control field
- *
- * This function returns the pointer to 802.11 header QoS field (2 bytes)
- * This function doesn't check whether hdr is a QoS hdr, use with care
- * @hdr: struct ieee80211_hdr *hdr
- * @hdr_len: header length
- */
-
-static inline u8 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr, int hdr_len)
-{
- return ((u8 *) hdr + hdr_len - QOS_CONTROL_LEN);
-}
-
static inline int iwl_check_bits(unsigned long field, unsigned long mask)
{
return ((field & mask) == mask) ? 1 : 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index e804bf8aea80..98c434c52a64 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -569,15 +569,15 @@ static void iwl_tx_cmd_build_basic(struct iwl_priv *priv,
struct ieee80211_hdr *hdr,
int is_unicast, u8 std_id)
{
- u16 fc = le16_to_cpu(hdr->frame_control);
+ __le16 fc = hdr->frame_control;
__le32 tx_flags = tx_cmd->tx_flags;
tx_cmd->stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
tx_flags |= TX_CMD_FLG_ACK_MSK;
- if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)
+ if (ieee80211_is_mgmt(fc))
tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
- if (ieee80211_is_probe_response(fc) &&
+ if (ieee80211_is_probe_resp(fc) &&
!(le16_to_cpu(hdr->seq_ctrl) & 0xf))
tx_flags |= TX_CMD_FLG_TSF_MSK;
} else {
@@ -585,7 +585,7 @@ static void iwl_tx_cmd_build_basic(struct iwl_priv *priv,
tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
}
- if (ieee80211_is_back_request(fc))
+ if (ieee80211_is_back_req(fc))
tx_flags |= TX_CMD_FLG_ACK_MSK | TX_CMD_FLG_IMM_BA_RSP_MASK;
@@ -593,8 +593,8 @@ static void iwl_tx_cmd_build_basic(struct iwl_priv *priv,
if (ieee80211_get_morefrag(hdr))
tx_flags |= TX_CMD_FLG_MORE_FRAG_MSK;
- if (ieee80211_is_qos_data(fc)) {
- u8 *qc = ieee80211_get_qos_ctrl(hdr, ieee80211_get_hdrlen(fc));
+ if (ieee80211_is_data_qos(fc)) {
+ u8 *qc = ieee80211_get_qos_ctl(hdr);
tx_cmd->tid_tspec = qc[0] & 0xf;
tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
} else {
@@ -613,9 +613,8 @@ static void iwl_tx_cmd_build_basic(struct iwl_priv *priv,
tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK;
tx_flags &= ~(TX_CMD_FLG_ANT_SEL_MSK);
- if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) {
- if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_ASSOC_REQ ||
- (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_REASSOC_REQ)
+ if (ieee80211_is_mgmt(fc)) {
+ if (ieee80211_is_assoc_req(fc) || ieee80211_is_reassoc_req(fc))
tx_cmd->timeout.pm_frame_timeout = cpu_to_le16(3);
else
tx_cmd->timeout.pm_frame_timeout = cpu_to_le16(2);
@@ -634,7 +633,7 @@ static void iwl_tx_cmd_build_basic(struct iwl_priv *priv,
static void iwl_tx_cmd_build_rate(struct iwl_priv *priv,
struct iwl_tx_cmd *tx_cmd,
struct ieee80211_tx_info *info,
- u16 fc, int sta_id,
+ __le16 fc, int sta_id,
int is_hcca)
{
u8 rts_retry_limit = 0;
@@ -655,7 +654,7 @@ static void iwl_tx_cmd_build_rate(struct iwl_priv *priv,
rate_flags |= RATE_MCS_CCK_MSK;
- if (ieee80211_is_probe_response(fc)) {
+ if (ieee80211_is_probe_resp(fc)) {
data_retry_limit = 3;
if (data_retry_limit < rts_retry_limit)
rts_retry_limit = data_retry_limit;
@@ -670,11 +669,11 @@ static void iwl_tx_cmd_build_rate(struct iwl_priv *priv,
tx_cmd->initial_rate_index = 0;
tx_cmd->tx_flags |= TX_CMD_FLG_STA_RATE_MSK;
} else {
- switch (fc & IEEE80211_FCTL_STYPE) {
- case IEEE80211_STYPE_AUTH:
- case IEEE80211_STYPE_DEAUTH:
- case IEEE80211_STYPE_ASSOC_REQ:
- case IEEE80211_STYPE_REASSOC_REQ:
+ switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
+ case cpu_to_le16(IEEE80211_STYPE_AUTH):
+ case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
+ case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ):
+ case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ):
if (tx_cmd->tx_flags & TX_CMD_FLG_RTS_MSK) {
tx_cmd->tx_flags &= ~TX_CMD_FLG_RTS_MSK;
tx_cmd->tx_flags |= TX_CMD_FLG_CTS_MSK;
@@ -771,7 +770,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
u16 seq_number = 0;
u8 id, hdr_len, unicast;
u8 sta_id;
- u16 fc;
+ __le16 fc;
u8 wait_write_ptr = 0;
u8 tid = 0;
u8 *qc = NULL;
@@ -798,19 +797,19 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
unicast = !is_multicast_ether_addr(hdr->addr1);
id = 0;
- fc = le16_to_cpu(hdr->frame_control);
+ fc = hdr->frame_control;
#ifdef CONFIG_IWLWIFI_DEBUG
if (ieee80211_is_auth(fc))
IWL_DEBUG_TX("Sending AUTH frame\n");
- else if (ieee80211_is_assoc_request(fc))
+ else if (ieee80211_is_assoc_req(fc))
IWL_DEBUG_TX("Sending ASSOC frame\n");
- else if (ieee80211_is_reassoc_request(fc))
+ else if (ieee80211_is_reassoc_req(fc))
IWL_DEBUG_TX("Sending REASSOC frame\n");
#endif
/* drop all data frame if we are not associated */
- if (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) &&
+ if (ieee80211_is_data(fc) &&
(!iwl_is_associated(priv) ||
((priv->iw_mode == IEEE80211_IF_TYPE_STA) && !priv->assoc_id) ||
!priv->assoc_station_added)) {
@@ -820,7 +819,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
spin_unlock_irqrestore(&priv->lock, flags);
- hdr_len = ieee80211_get_hdrlen(fc);
+ hdr_len = ieee80211_get_hdrlen(le16_to_cpu(fc));
/* Find (or create) index into station table for destination station */
sta_id = iwl_get_sta_id(priv, hdr);
@@ -834,8 +833,8 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
IWL_DEBUG_TX("station Id %d\n", sta_id);
- if (ieee80211_is_qos_data(fc)) {
- qc = ieee80211_get_qos_ctrl(hdr, hdr_len);
+ if (ieee80211_is_data_qos(fc)) {
+ qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
seq_number = priv->stations[sta_id].tid[tid].seq_number &
IEEE80211_SCTL_SEQ;
@@ -938,7 +937,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
/* set is_hcca to 0; it probably will never be implemented */
iwl_tx_cmd_build_rate(priv, tx_cmd, info, fc, sta_id, 0);
- iwl_update_tx_stats(priv, fc, len);
+ iwl_update_tx_stats(priv, le16_to_cpu(fc), len);
scratch_phys = txcmd_phys + sizeof(struct iwl_cmd_header) +
offsetof(struct iwl_tx_cmd, scratch);
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index d0084bcb1eca..0a5bbe9ee938 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2431,15 +2431,15 @@ static void iwl3945_build_tx_cmd_basic(struct iwl3945_priv *priv,
struct ieee80211_hdr *hdr,
int is_unicast, u8 std_id)
{
- u16 fc = le16_to_cpu(hdr->frame_control);
+ __le16 fc = hdr->frame_control;
__le32 tx_flags = cmd->cmd.tx.tx_flags;
cmd->cmd.tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
tx_flags |= TX_CMD_FLG_ACK_MSK;
- if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)
+ if (ieee80211_is_mgmt(fc))
tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
- if (ieee80211_is_probe_response(fc) &&
+ if (ieee80211_is_probe_resp(fc) &&
!(le16_to_cpu(hdr->seq_ctrl) & 0xf))
tx_flags |= TX_CMD_FLG_TSF_MSK;
} else {
@@ -2451,8 +2451,8 @@ static void iwl3945_build_tx_cmd_basic(struct iwl3945_priv *priv,
if (ieee80211_get_morefrag(hdr))
tx_flags |= TX_CMD_FLG_MORE_FRAG_MSK;
- if (ieee80211_is_qos_data(fc)) {
- u8 *qc = ieee80211_get_qos_ctrl(hdr, ieee80211_get_hdrlen(fc));
+ if (ieee80211_is_data_qos(fc)) {
+ u8 *qc = ieee80211_get_qos_ctl(hdr);
cmd->cmd.tx.tid_tspec = qc[0] & 0xf;
tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
} else {
@@ -2471,9 +2471,8 @@ static void iwl3945_build_tx_cmd_basic(struct iwl3945_priv *priv,
tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK;
tx_flags &= ~(TX_CMD_FLG_ANT_SEL_MSK);
- if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) {
- if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_ASSOC_REQ ||
- (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_REASSOC_REQ)
+ if (ieee80211_is_mgmt(fc)) {
+ if (ieee80211_is_assoc_req(fc) || ieee80211_is_reassoc_req(fc))
cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(3);
else
cmd->cmd.tx.timeout.pm_frame_timeout = cpu_to_le16(2);
@@ -2564,7 +2563,7 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv, struct sk_buff *skb)
u8 sta_id;
u8 tid = 0;
u16 seq_number = 0;
- u16 fc;
+ __le16 fc;
u8 wait_write_ptr = 0;
u8 *qc = NULL;
unsigned long flags;
@@ -2589,28 +2588,28 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv, struct sk_buff *skb)
unicast = !is_multicast_ether_addr(hdr->addr1);
id = 0;
- fc = le16_to_cpu(hdr->frame_control);
+ fc = hdr->frame_control;
#ifdef CONFIG_IWL3945_DEBUG
if (ieee80211_is_auth(fc))
IWL_DEBUG_TX("Sending AUTH frame\n");
- else if (ieee80211_is_assoc_request(fc))
+ else if (ieee80211_is_assoc_req(fc))
IWL_DEBUG_TX("Sending ASSOC frame\n");
- else if (ieee80211_is_reassoc_request(fc))
+ else if (ieee80211_is_reassoc_req(fc))
IWL_DEBUG_TX("Sending REASSOC frame\n");
#endif
/* drop all data frame if we are not associated */
if ((!iwl3945_is_associated(priv) ||
((priv->iw_mode == IEEE80211_IF_TYPE_STA) && !priv->assoc_id)) &&
- ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)) {
+ ieee80211_is_data(fc)) {
IWL_DEBUG_DROP("Dropping - !iwl3945_is_associated\n");
goto drop_unlock;
}
spin_unlock_irqrestore(&priv->lock, flags);
- hdr_len = ieee80211_get_hdrlen(fc);
+ hdr_len = ieee80211_get_hdrlen(le16_to_cpu(fc));
/* Find (or create) index into station table for destination station */
sta_id = iwl3945_get_sta_id(priv, hdr);
@@ -2624,8 +2623,8 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv, struct sk_buff *skb)
IWL_DEBUG_RATE("station Id %d\n", sta_id);
- if (ieee80211_is_qos_data(fc)) {
- qc = ieee80211_get_qos_ctrl(hdr, hdr_len);
+ if (ieee80211_is_data_qos(fc)) {
+ qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
seq_number = priv->stations[sta_id].tid[tid].seq_number &
IEEE80211_SCTL_SEQ;
@@ -2746,7 +2745,7 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv, struct sk_buff *skb)
sizeof(out_cmd->cmd.tx));
iwl3945_print_hex_dump(IWL_DL_TX, (u8 *)out_cmd->cmd.tx.hdr,
- ieee80211_get_hdrlen(fc));
+ ieee80211_get_hdrlen(le16_to_cpu(fc)));
/* Tell device the write index *just past* this latest filled TFD */
q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 8f2c20b4a15d..371237b0d8b9 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -98,6 +98,7 @@
#define IEEE80211_MAX_SSID_LEN 32
#define IEEE80211_MAX_MESH_ID_LEN 32
+#define IEEE80211_QOS_CTL_LEN 2
struct ieee80211_hdr {
__le16 frame_control;
@@ -109,6 +110,355 @@ struct ieee80211_hdr {
u8 addr4[6];
} __attribute__ ((packed));
+/**
+ * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_has_tods(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
+}
+
+/**
+ * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_has_fromds(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
+}
+
+/**
+ * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_has_a4(__le16 fc)
+{
+ __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
+ return (fc & tmp) == tmp;
+}
+
+/**
+ * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_has_morefrags(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
+}
+
+/**
+ * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_has_retry(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
+}
+
+/**
+ * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_has_pm(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
+}
+
+/**
+ * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_has_moredata(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
+}
+
+/**
+ * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_has_protected(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
+}
+
+/**
+ * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_has_order(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
+}
+
+/**
+ * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_mgmt(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_MGMT);
+}
+
+/**
+ * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_ctl(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_CTL);
+}
+
+/**
+ * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_data(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_DATA);
+}
+
+/**
+ * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_data_qos(__le16 fc)
+{
+ /*
+ * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
+ * to check the one bit
+ */
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
+ cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
+}
+
+/**
+ * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_data_present(__le16 fc)
+{
+ /*
+ * mask with 0x40 and test that that bit is clear to only return true
+ * for the data-containing substypes.
+ */
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
+ cpu_to_le16(IEEE80211_FTYPE_DATA);
+}
+
+/**
+ * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_assoc_req(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
+}
+
+/**
+ * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_assoc_resp(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
+}
+
+/**
+ * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_reassoc_req(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
+}
+
+/**
+ * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_reassoc_resp(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
+}
+
+/**
+ * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_probe_req(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
+}
+
+/**
+ * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_probe_resp(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
+}
+
+/**
+ * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_beacon(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
+}
+
+/**
+ * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_atim(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
+}
+
+/**
+ * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_disassoc(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
+}
+
+/**
+ * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_auth(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
+}
+
+/**
+ * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_deauth(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
+}
+
+/**
+ * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_action(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
+}
+
+/**
+ * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_back_req(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
+}
+
+/**
+ * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_back(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
+}
+
+/**
+ * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_pspoll(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
+}
+
+/**
+ * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_rts(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
+}
+
+/**
+ * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_cts(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
+}
+
+/**
+ * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_ack(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
+}
+
+/**
+ * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_cfend(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
+}
+
+/**
+ * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_cfendack(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
+}
+
+/**
+ * ieee80211_is_nullfunc - check if FTYPE=IEEE80211_FTYPE_DATA and STYPE=IEEE80211_STYPE_NULLFUNC
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_nullfunc(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
+}
struct ieee80211s_hdr {
u8 flags;
@@ -553,48 +903,54 @@ enum ieee80211_back_parties {
#define WLAN_MAX_KEY_LEN 32
/**
+ * ieee80211_get_qos_ctl - get pointer to qos control bytes
+ * @hdr: the frame
+ *
+ * The qos ctrl bytes come after the frame_control, duration, seq_num
+ * and 3 or 4 addresses of length ETH_ALEN.
+ * 3 addr: 2 + 2 + 2 + 3*6 = 24
+ * 4 addr: 2 + 2 + 2 + 4*6 = 30
+ */
+static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
+{
+ if (ieee80211_has_a4(hdr->frame_control))
+ return (u8 *)hdr + 30;
+ else
+ return (u8 *)hdr + 24;
+}
+
+/**
* ieee80211_get_SA - get pointer to SA
+ * @hdr: the frame
*
* Given an 802.11 frame, this function returns the offset
* to the source address (SA). It does not verify that the
* header is long enough to contain the address, and the
* header must be long enough to contain the frame control
* field.
- *
- * @hdr: the frame
*/
static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
{
- __le16 fc = hdr->frame_control;
- fc &= cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
-
- switch (fc) {
- case __constant_cpu_to_le16(IEEE80211_FCTL_FROMDS):
- return hdr->addr3;
- case __constant_cpu_to_le16(IEEE80211_FCTL_TODS|IEEE80211_FCTL_FROMDS):
+ if (ieee80211_has_a4(hdr->frame_control))
return hdr->addr4;
- default:
- return hdr->addr2;
- }
+ if (ieee80211_has_fromds(hdr->frame_control))
+ return hdr->addr3;
+ return hdr->addr2;
}
/**
* ieee80211_get_DA - get pointer to DA
+ * @hdr: the frame
*
* Given an 802.11 frame, this function returns the offset
* to the destination address (DA). It does not verify that
* the header is long enough to contain the address, and the
* header must be long enough to contain the frame control
* field.
- *
- * @hdr: the frame
*/
static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
{
- __le16 fc = hdr->frame_control;
- fc &= cpu_to_le16(IEEE80211_FCTL_TODS);
-
- if (fc)
+ if (ieee80211_has_tods(hdr->frame_control))
return hdr->addr3;
else
return hdr->addr1;
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-13 04:35:19 +0000