samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

qcacmn: Add vendor event to update TCP parameters

Browse Source 
Currently, TCP params are configured through cnss-daemon.

Add vendor event to configure TCP params through Wi-Fi HAL.

Change-Id: Ifb81b810f0fb830515fb4558d016778083323b5a
CRs-Fixed: 2348945
This commit is contained in:
Alok Kumar
2018-11-08 19:08:13 +05:30
committed by nshrivas
parent 93bcf1292f
commit db0d42384f
2 changed files with 96 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
os_if/linux/qca_vendor.h
View File

@@ -469,6 +469,7 @@ enum qca_nl80211_vendor_subcmds {
QCA_NL80211_VENDOR_SUBCMD_SET_QDEPTH_THRESH = 166,
/* Wi-Fi test configuration subcommand */
QCA_NL80211_VENDOR_SUBCMD_WIFI_TEST_CONFIGURATION = 169,
QCA_NL80211_VENDOR_SUBCMD_THROUGHPUT_CHANGE_EVENT = 174,
};
enum qca_wlan_vendor_tos {
@@ -891,6 +892,7 @@ enum qca_nl80211_vendor_subcmds_index {
QCA_NL80211_VENDOR_SUBCMD_HANG_REASON_INDEX,
QCA_NL80211_VENDOR_SUBCMD_HTT_STATS_INDEX,
QCA_NL80211_VENDOR_SUBCMD_WLAN_MAC_INFO_INDEX,
QCA_NL80211_VENDOR_SUBCMD_THROUGHPUT_CHANGE_EVENT_INDEX,
};
/**
@@ -6343,4 +6345,73 @@ enum qca_wlan_vendor_twt_setup_req_type {
QCA_WLAN_VENDOR_TWT_SETUP_DEMAND = 3,
};
/**
* enum qca_wlan_throughput_level - Current throughput level
*
* Indicates the current level of throughput calculated by driver. The driver
* may choose different thresholds to decide whether the throughput level is
* low or medium or high based on variety of parameters like physical link
* capacity of current connection, number of pakcets being dispatched per
* second etc. The throughput level events might not be consistent with the
* actual current throughput value being observed.
*
* @QCA_WLAN_THROUGHPUT_LEVEL_LOW: Low level of throughput
* @QCA_WLAN_THROUGHPUT_LEVEL_MEDIUM: Medium level of throughput
* @QCA_WLAN_THROUGHPUT_LEVEL_HIGH: High level of throughput
*/
enum qca_wlan_throughput_level {
QCA_WLAN_THROUGHPUT_LEVEL_LOW = 0,
QCA_WLAN_THROUGHPUT_LEVEL_MEDIUM = 1,
QCA_WLAN_THROUGHPUT_LEVEL_HIGH = 2,
};
/**
* enum qca_wlan_vendor_attr_throughput_change - Vendor subcmd attributes to
* report throughput changes from driver to user space. enum values are used
* for NL attributes sent with
* %QCA_NL80211_VENDOR_SUBCMD_THROUGHPUT_CHANGE_EVENT sub command.
*/
enum qca_wlan_vendor_attr_throughput_change {
QCA_WLAN_VENDOR_ATTR_THROUGHPUT_CHANGE_INVALID = 0,
/*
* Indicates the direction of throughput in which the change is being
* reported. u8 attribute. Value is 0 for TX and 1 for RX.
*/
QCA_WLAN_VENDOR_ATTR_THROUGHPUT_CHANGE_DIRECTION = 1,
/*
* Indicates the newly observed throughput level.
* qca_wlan_throughput_level describes the possible range of values.
* u8 attribute.
*/
QCA_WLAN_VENDOR_ATTR_THROUGHPUT_CHANGE_THROUGHPUT_LEVEL = 2,
/*
* Indicates the driver's guidance on the new value to be set to
* kernel's tcp parameter tcp_limit_output_bytes. u32 attribute. Driver
* may optionally include this attribute.
*/
QCA_WLAN_VENDOR_ATTR_THROUGHPUT_CHANGE_TCP_LIMIT_OUTPUT_BYTES = 3,
/*
* Indicates the driver's guidance on the new value to be set to
* kernel's tcp parameter tcp_adv_win_scale. s8 attribute. Possible
* values are from -31 to 31. Driver may optionally include this
* attribute.
*/
QCA_WLAN_VENDOR_ATTR_THROUGHPUT_CHANGE_TCP_ADV_WIN_SCALE = 4,
/*
* Indicates the driver's guidance on the new value to be set to
* kernel's tcp parameter tcp_delack_seg. u32 attribute. Driver may
* optionally include this attribute.
*/
QCA_WLAN_VENDOR_ATTR_THROUGHPUT_CHANGE_TCP_DELACK_SEG = 5,
/* keep last */
QCA_WLAN_VENDOR_ATTR_THROUGHPUT_CHANGE_AFTER_LAST,
QCA_WLAN_VENDOR_ATTR_THROUGHPUT_CHANGE_MAX =
QCA_WLAN_VENDOR_ATTR_THROUGHPUT_CHANGE_AFTER_LAST - 1,
};
#endif

25
utils/nlink/inc/wlan_nlink_common.h
View File

@@ -244,8 +244,22 @@ struct wlan_core_minfreq {
/* Indication to enable TCP delayed ack in TPUT indication */
#define TCP_DEL_ACK_IND (1 << 0)
#define TCP_DEL_ACK_IND_MASK 0x1
/* Indication to enable TCP advance window scaling in TPUT indication */
#define TCP_ADV_WIN_SCL (1 << 1)
#define TCP_ADV_WIN_SCL_MASK 0x2
/* TCP limit output bytes for low and high TPUT */
#define TCP_LIMIT_OUTPUT_BYTES_LOW 506072
#define TCP_LIMIT_OUTPUT_BYTES_HI 4048579
/* TCP window scale for low and high TPUT */
#define WIN_SCALE_LOW 2
#define WIN_SCALE_HI 1
/* TCP DEL ACK value for low and high TPUT */
#define TCP_DEL_ACK_LOW 0
#define TCP_DEL_ACK_HI 20
/**
* struct wlan_rx_tp_data - msg to TCP delayed ack and advance window scaling
@@ -258,4 +272,15 @@ struct wlan_rx_tp_data {
uint16_t rx_tp_flags;
};
/**
* struct wlan_tx_tp_data - msg to TCP for Tx Dir
* @level: Throughput level.
* @tcp_limit_output: Tcp limit output flag.
*
*/
struct wlan_tx_tp_data {
enum wlan_tp_level level;
bool tcp_limit_output;
};
#endif /* WLAN_NLINK_COMMON_H__ */