From: Prameela Rani Garnepudi <prameela.j04cs@xxxxxxxxx>
Management descriptor preparation is move to a separate function
as it will be called from a different context in upcoming patches.
Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@xxxxxxxxx>
---
drivers/net/wireless/rsi/rsi_91x_hal.c | 132 +++++++++++++++++++++------------
drivers/net/wireless/rsi/rsi_hal.h | 10 +--
drivers/net/wireless/rsi/rsi_main.h | 7 ++
drivers/net/wireless/rsi/rsi_mgmt.h | 1 +
4 files changed, 98 insertions(+), 52 deletions(-)
diff --git a/drivers/net/wireless/rsi/rsi_91x_hal.c b/drivers/net/wireless/rsi/rsi_91x_hal.c
index 9eaa0a2..f8ccb1c 100644
--- a/drivers/net/wireless/rsi/rsi_91x_hal.c
+++ b/drivers/net/wireless/rsi/rsi_91x_hal.c
@@ -25,6 +25,89 @@ static struct ta_metadata metadata_flash_content[] = {
{"rsi/rs9113_wlan_qspi.rps", 0x00010000},
};
+/*This function prepares descriptor for given management packet*/
+
+static int rsi_prepare_mgmt_desc(struct rsi_common *common, struct sk_buff *skb)
+{
+ struct rsi_hw *adapter = common->priv;
+ struct ieee80211_hdr *wh = NULL;
+ struct ieee80211_tx_info *info;
+ struct ieee80211_conf *conf = &adapter->hw->conf;
+ struct ieee80211_vif *vif = NULL;
+ struct rsi_mgmt_desc *mgmt_desc;
+ struct skb_info *tx_params;
+ struct ieee80211_bss_conf *bss = NULL;
+ struct xtended_desc *xtend_desc = NULL;
+ u8 header_size;
+ u32 dword_align_bytes = 0;
+
+ info = IEEE80211_SKB_CB(skb);
+ tx_params = (struct skb_info *)info->driver_data;
+
+ /* Update header size */
+ header_size = FRAME_DESC_SZ + sizeof(struct xtended_desc);
+ if (header_size > skb_headroom(skb)) {
+ rsi_dbg(ERR_ZONE,
+ "%s: Failed to add extended descriptor\n",
+ __func__);
+ return -ENOSPC;
+ }
+ skb_push(skb, header_size);
+ dword_align_bytes = ((unsigned long)skb->data & 0x3f);
+ if (dword_align_bytes > skb_headroom(skb)) {
+ rsi_dbg(ERR_ZONE,
+ "%s: Failed to add dword align\n", __func__);
+ return -ENOSPC;
+ }
+ skb_push(skb, dword_align_bytes);
+ header_size += dword_align_bytes;
+
+ tx_params->internal_hdr_size = header_size;
+ memset(&skb->data[0], 0, header_size);
+ bss = &info->control.vif->bss_conf;
+ wh = (struct ieee80211_hdr *)&skb->data[header_size];
+ vif = adapter->vifs[0];
+
+ mgmt_desc = (struct rsi_mgmt_desc *)skb->data;
+ xtend_desc = (struct xtended_desc *)&skb->data[FRAME_DESC_SZ];
+
+ if (skb->len > MAX_MGMT_PKT_SIZE) {
+ rsi_dbg(INFO_ZONE, "%s: Dropping mgmt pkt > 512\n", __func__);
+ return -EINVAL;
+ }
+ rsi_set_len_qno(&mgmt_desc->len_qno, (skb->len - FRAME_DESC_SZ),
+ RSI_WIFI_MGMT_Q);
+ mgmt_desc->frame_type = TX_DOT11_MGMT;
+ mgmt_desc->header_len = MIN_802_11_HDR_LEN;
+ mgmt_desc->xtend_desc_size = header_size - FRAME_DESC_SZ;
+ mgmt_desc->frame_info |= cpu_to_le16(RATE_INFO_ENABLE);
+ if (is_broadcast_ether_addr(wh->addr1))
+ mgmt_desc->frame_info |= cpu_to_le16(RSI_BROADCAST_PKT);
+
+ mgmt_desc->seq_ctrl =
+ cpu_to_le16(IEEE80211_SEQ_TO_SN(le16_to_cpu(wh->seq_ctrl)));
+ if (common->band == NL80211_BAND_2GHZ)
+ mgmt_desc->rate_info = RSI_RATE_1;
+ else
+ mgmt_desc->rate_info = RSI_RATE_6;
+
+ if (conf_is_ht40(conf))
+ mgmt_desc->bbp_info = cpu_to_le16(FULL40M_ENABLE);
+
+ if (ieee80211_is_probe_req(wh->frame_control)) {
+ if (!bss->assoc) {
+ rsi_dbg(INFO_ZONE,
+ "%s: blocking mgmt queue\n", __func__);
+ mgmt_desc->misc_flags = RSI_DESC_REQUIRE_CFM_TO_HOST;
+ xtend_desc->confirm_frame_type = PROBEREQ_CONFIRM;
+ common->mgmt_q_block = true;
+ rsi_dbg(INFO_ZONE, "Mgmt queue blocked\n");
+ }
+ }
+
+ return 0;
+}
+
/**
* rsi_send_data_pkt() - This function sends the recieved data packet from
* driver to device.
@@ -133,16 +216,10 @@ int rsi_send_mgmt_pkt(struct rsi_common *common,
struct sk_buff *skb)
{
struct rsi_hw *adapter = common->priv;
- struct ieee80211_hdr *wh;
struct ieee80211_tx_info *info;
- struct ieee80211_bss_conf *bss;
- struct ieee80211_hw *hw = adapter->hw;
- struct ieee80211_conf *conf = &hw->conf;
- struct rsi_mgmt_desc *mgmt_desc;
struct skb_info *tx_params;
int status = -E2BIG;
u8 extnd_size;
- u8 vap_id = 0;
info = IEEE80211_SKB_CB(skb);
tx_params = (struct skb_info *)info->driver_data;
@@ -168,51 +245,12 @@ int rsi_send_mgmt_pkt(struct rsi_common *common,
return status;
}
- bss = &info->control.vif->bss_conf;
- wh = (struct ieee80211_hdr *)&skb->data[0];
-
if (FRAME_DESC_SZ > skb_headroom(skb))
goto err;
- skb_push(skb, FRAME_DESC_SZ);
- memset(skb->data, 0, FRAME_DESC_SZ);
- mgmt_desc = (struct rsi_mgmt_desc *)skb->data;
-
- if (skb->len > MAX_MGMT_PKT_SIZE) {
- rsi_dbg(INFO_ZONE, "%s: Dropping mgmt pkt > 512\n", __func__);
- goto err;
- }
-
- rsi_set_len_qno(&mgmt_desc->len_qno, (skb->len - FRAME_DESC_SZ),
- RSI_WIFI_MGMT_Q);
- mgmt_desc->frame_type = TX_DOT11_MGMT;
- mgmt_desc->header_len = MIN_802_11_HDR_LEN;
- mgmt_desc->info_cap |= cpu_to_le16(RATE_INFO_ENABLE);
- mgmt_desc->seq_ctrl = cpu_to_le16(le16_to_cpu(wh->seq_ctrl) >> 4);
-
- if (wh->addr1[0] & BIT(0))
- mgmt_desc->info_cap |= cpu_to_le16(RSI_BROADCAST_PKT);
-
- if (common->band == NL80211_BAND_2GHZ)
- mgmt_desc->rate_info = RSI_11B_MODE;
- else
- mgmt_desc->rate_info = (RSI_RATE_6 & 0x0f) | RSI_11G_MODE;
-
- if (conf_is_ht40(conf)) {
- mgmt_desc->rate_info = 0xB | RSI_11G_MODE;
- mgmt_desc->bbp_info = BBP_INFO_40MHZ;
- }
-
- /* Indicate to firmware to give cfm */
- if ((skb->data[16] == IEEE80211_STYPE_PROBE_REQ) && (!bss->assoc)) {
- mgmt_desc->misc_flags |= BIT(2);
- mgmt_desc->cfm_frame_type = PROBEREQ_CONFIRM;
- common->mgmt_q_block = true;
- }
- mgmt_desc->vap_info = vap_id << 8;
-
+ rsi_prepare_mgmt_desc(common, skb);
status = adapter->host_intf_ops->write_pkt(common->priv,
- (u8 *)mgmt_desc, skb->len);
+ (u8 *)skb->data, skb->len);
if (status)
rsi_dbg(ERR_ZONE, "%s: Failed to write the packet\n", __func__);
diff --git a/drivers/net/wireless/rsi/rsi_hal.h b/drivers/net/wireless/rsi/rsi_hal.h
index da115dd..adbe54e 100644
--- a/drivers/net/wireless/rsi/rsi_hal.h
+++ b/drivers/net/wireless/rsi/rsi_hal.h
@@ -118,14 +118,14 @@ struct rsi_mgmt_desc {
__le16 len_qno;
u8 frame_type;
u8 misc_flags;
- u8 reserved1;
+ u8 xtend_desc_size;
u8 header_len;
- __le16 info_cap;
+ __le16 frame_info;
u8 rate_info;
- u8 reserved2;
- u16 bbp_info;
+ u8 reserved1;
+ __le16 bbp_info;
__le16 seq_ctrl;
- u8 cfm_frame_type;
+ u8 reserved2;
u8 vap_info;
} __packed;
diff --git a/drivers/net/wireless/rsi/rsi_main.h b/drivers/net/wireless/rsi/rsi_main.h
index fc99c17..4b4312e 100644
--- a/drivers/net/wireless/rsi/rsi_main.h
+++ b/drivers/net/wireless/rsi/rsi_main.h
@@ -103,6 +103,7 @@ struct skb_info {
u16 channel;
s8 tid;
s8 sta_id;
+ u8 internal_hdr_size;
};
enum edca_queue {
@@ -156,6 +157,12 @@ struct cqm_info {
u32 rssi_hyst;
};
+struct xtended_desc {
+ u8 confirm_frame_type;
+ u8 retry_cnt;
+ u16 reserved;
+};
+
struct rsi_hw;
struct rsi_common {
diff --git a/drivers/net/wireless/rsi/rsi_mgmt.h b/drivers/net/wireless/rsi/rsi_mgmt.h
index 47926c9..8e05e0b 100644
--- a/drivers/net/wireless/rsi/rsi_mgmt.h
+++ b/drivers/net/wireless/rsi/rsi_mgmt.h
@@ -63,6 +63,7 @@
#define RF_RESET_ENABLE BIT(3)
#define RATE_INFO_ENABLE BIT(0)
#define RSI_BROADCAST_PKT BIT(9)
+#define RSI_DESC_REQUIRE_CFM_TO_HOST BIT(2)
#define UPPER_20_ENABLE (0x2 << 12)
#define LOWER_20_ENABLE (0x4 << 12)
--
2.7.4
