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rsi: management frame descriptor preparation cleanup

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Currently this descriptor is prepared with the help of __le16
pointer. This patch makes use of a structure to prepare the
descriptor in a cleaner way.

Signed-off-by: Pavani Muthyala <pavani.muthyala@redpinesignals.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Pavani Muthyala 2017-07-06 20:07:15 +05:30 committed by Kalle Valo
parent 015240018b
commit de2dea16ec
2 changed files with 35 additions and 19 deletions
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37
drivers/net/wireless/rsi/rsi_91x_hal.c
View File

@ -138,9 +138,9 @@ int rsi_send_mgmt_pkt(struct rsi_common *common,
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;
__le16 *msg;
u8 extnd_size;
u8 vap_id = 0;
@ -176,44 +176,43 @@ int rsi_send_mgmt_pkt(struct rsi_common *common,
skb_push(skb, FRAME_DESC_SZ);
memset(skb->data, 0, FRAME_DESC_SZ);
msg = (__le16 *)skb->data;
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;
}
msg[0] = cpu_to_le16((skb->len - FRAME_DESC_SZ) |
(RSI_WIFI_MGMT_Q << 12));
msg[1] = cpu_to_le16(TX_DOT11_MGMT);
msg[2] = cpu_to_le16(MIN_802_11_HDR_LEN << 8);
msg[3] = cpu_to_le16(RATE_INFO_ENABLE);
msg[6] = cpu_to_le16(le16_to_cpu(wh->seq_ctrl) >> 4);
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))
msg[3] |= cpu_to_le16(RSI_BROADCAST_PKT);
mgmt_desc->info_cap |= cpu_to_le16(RSI_BROADCAST_PKT);
if (common->band == NL80211_BAND_2GHZ)
msg[4] = cpu_to_le16(RSI_11B_MODE);
mgmt_desc->rate_info = RSI_11B_MODE;
else
msg[4] = cpu_to_le16((RSI_RATE_6 & 0x0f) | RSI_11G_MODE);
mgmt_desc->rate_info = (RSI_RATE_6 & 0x0f) | RSI_11G_MODE;
if (conf_is_ht40(conf)) {
msg[4] = cpu_to_le16(0xB | RSI_11G_MODE);
msg[5] = cpu_to_le16(0x6);
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)) {
msg[1] |= cpu_to_le16(BIT(10));
msg[7] = cpu_to_le16(PROBEREQ_CONFIRM);
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;
msg[7] |= cpu_to_le16(vap_id << 8);
status = adapter->host_intf_ops->write_pkt(common->priv, (u8 *)msg,
skb->len);
status = adapter->host_intf_ops->write_pkt(common->priv,
(u8 *)mgmt_desc, skb->len);
if (status)
rsi_dbg(ERR_ZONE, "%s: Failed to write the packet\n", __func__);

17
drivers/net/wireless/rsi/rsi_hal.h
View File

@ -99,6 +99,8 @@
#define RSI_DEV_OPMODE_WIFI_ALONE 1
#define RSI_DEV_COEX_MODE_WIFI_ALONE 1
#define BBP_INFO_40MHZ 0x6
struct bl_header {
__le32 flags;
__le32 image_no;
@ -112,6 +114,21 @@ struct ta_metadata {
unsigned int address;
};
struct rsi_mgmt_desc {
__le16 len_qno;
u8 frame_type;
u8 misc_flags;
u8 reserved1;
u8 header_len;
__le16 info_cap;
u8 rate_info;
u8 reserved2;
u16 bbp_info;
__le16 seq_ctrl;
u8 cfm_frame_type;
u8 vap_info;
} __packed;
int rsi_hal_device_init(struct rsi_hw *adapter);
#endif