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authorKarun Eagalapati <karun256@gmail.com>2017-08-03 19:59:04 +0530
committerKalle Valo <kvalo@codeaurora.org>2017-08-08 14:46:04 +0300
commit80a88ecf3bccb129146e00e429a4b8a90fb89f11 (patch)
treedc45e27e7e546d7dd65525713322e23072073785 /drivers/net
parent67c52a4dafceca8ed63b2d8dc73079059e064399 (diff)
rsi: RTS threshold configuration
Provision is added for configuring RTS threshold by sending vap dynamic update frame to firmware. Signed-off-by: Karun Eagalapati <karun256@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/rsi/rsi_91x_mac80211.c9
-rw-r--r--drivers/net/wireless/rsi/rsi_91x_mgmt.c31
-rw-r--r--drivers/net/wireless/rsi/rsi_main.h1
-rw-r--r--drivers/net/wireless/rsi/rsi_mgmt.h14
4 files changed, 55 insertions, 0 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
index 6b833c424b18..210ad79038ed 100644
--- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c
+++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
@@ -497,6 +497,15 @@ static int rsi_mac80211_config(struct ieee80211_hw *hw,
spin_unlock_irqrestore(&adapter->ps_lock, flags);
}
+ /* RTS threshold */
+ if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
+ rsi_dbg(INFO_ZONE, "RTS threshold\n");
+ if ((common->rts_threshold) <= IEEE80211_MAX_RTS_THRESHOLD) {
+ rsi_dbg(INFO_ZONE,
+ "%s: Sending vap updates....\n", __func__);
+ status = rsi_send_vap_dynamic_update(common);
+ }
+ }
mutex_unlock(&common->mutex);
return status;
diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
index e5fe443ddfb6..f93499d0b8fa 100644
--- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c
+++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
@@ -1058,6 +1058,37 @@ int rsi_send_radio_params_update(struct rsi_common *common)
return rsi_send_internal_mgmt_frame(common, skb);
}
+/* This function programs the threshold. */
+int rsi_send_vap_dynamic_update(struct rsi_common *common)
+{
+ struct sk_buff *skb;
+ struct rsi_dynamic_s *dynamic_frame;
+
+ rsi_dbg(MGMT_TX_ZONE,
+ "%s: Sending vap update indication frame\n", __func__);
+
+ skb = dev_alloc_skb(sizeof(struct rsi_dynamic_s));
+ if (!skb)
+ return -ENOMEM;
+
+ memset(skb->data, 0, sizeof(struct rsi_dynamic_s));
+ dynamic_frame = (struct rsi_dynamic_s *)skb->data;
+ rsi_set_len_qno(&dynamic_frame->desc_dword0.len_qno,
+ sizeof(dynamic_frame->frame_body), RSI_WIFI_MGMT_Q);
+
+ dynamic_frame->desc_dword0.frame_type = VAP_DYNAMIC_UPDATE;
+ dynamic_frame->desc_dword2.pkt_info =
+ cpu_to_le32(common->rts_threshold);
+ /* Beacon miss threshold */
+ dynamic_frame->frame_body.keep_alive_period =
+ cpu_to_le16(RSI_DEF_KEEPALIVE);
+ dynamic_frame->desc_dword3.sta_id = 0; /* vap id */
+
+ skb_put(skb, sizeof(struct rsi_dynamic_s));
+
+ return rsi_send_internal_mgmt_frame(common, skb);
+}
+
/**
* rsi_compare() - This function is used to compare two integers
* @a: pointer to the first integer
diff --git a/drivers/net/wireless/rsi/rsi_main.h b/drivers/net/wireless/rsi/rsi_main.h
index d2cc47e98639..d05b5e0847bc 100644
--- a/drivers/net/wireless/rsi/rsi_main.h
+++ b/drivers/net/wireless/rsi/rsi_main.h
@@ -58,6 +58,7 @@ extern __printf(2, 3) void rsi_dbg(u32 zone, const char *fmt, ...);
#define IEEE80211_ADDR_LEN 6
#define FRAME_DESC_SZ 16
#define MIN_802_11_HDR_LEN 24
+#define RSI_DEF_KEEPALIVE 90
#define DATA_QUEUE_WATER_MARK 400
#define MIN_DATA_QUEUE_WATER_MARK 300
diff --git a/drivers/net/wireless/rsi/rsi_mgmt.h b/drivers/net/wireless/rsi/rsi_mgmt.h
index b22103fd6c81..201a46572c69 100644
--- a/drivers/net/wireless/rsi/rsi_mgmt.h
+++ b/drivers/net/wireless/rsi/rsi_mgmt.h
@@ -239,6 +239,7 @@ enum cmd_frame_type {
CW_MODE_REQ,
PER_CMD_PKT,
ANT_SEL_FRAME = 0x20,
+ VAP_DYNAMIC_UPDATE = 0x27,
COMMON_DEV_CONFIG = 0x28,
RADIO_PARAMS_UPDATE = 0x29
};
@@ -374,6 +375,18 @@ struct rsi_ant_sel_frame {
__le32 reserved2;
} __packed;
+struct rsi_dynamic_s {
+ struct rsi_cmd_desc_dword0 desc_dword0;
+ struct rsi_cmd_desc_dword1 desc_dword1;
+ struct rsi_cmd_desc_dword2 desc_dword2;
+ struct rsi_cmd_desc_dword3 desc_dword3;
+ struct framebody {
+ __le16 data_rate;
+ __le16 mgmt_rate;
+ __le16 keep_alive_period;
+ } frame_body;
+} __packed;
+
/* Key descriptor flags */
#define RSI_KEY_TYPE_BROADCAST BIT(1)
#define RSI_WEP_KEY BIT(2)
@@ -585,6 +598,7 @@ int rsi_hal_load_key(struct rsi_common *common, u8 *data, u16 key_len,
u8 key_type, u8 key_id, u32 cipher);
int rsi_set_channel(struct rsi_common *common,
struct ieee80211_channel *channel);
+int rsi_send_vap_dynamic_update(struct rsi_common *common);
int rsi_send_block_unblock_frame(struct rsi_common *common, bool event);
void rsi_inform_bss_status(struct rsi_common *common, u8 status,
const u8 *bssid, u8 qos_enable, u16 aid);