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qcacmn: Set TX flow queue for TCP ack

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If TX data is TCP ACK, configure TX flow index 3 in
SW2TCL data cmd ring descriptor.

Change-Id: Ibd08b13ba8f0481aa11cd9c3dc54a49cd73674fb
CRs-Fixed: 3368303
This commit is contained in:
Jinwei Chen
2022-12-07 00:16:45 -08:00
committed by Madan Koyyalamudi
parent d93db0f70e
commit b4f81eace0
7 changed files with 248 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
dp/wifi3.0/be/dp_be_tx.c
View File

@@ -1,6 +1,6 @@
/*
* Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
* Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
@@ -445,6 +445,7 @@ static inline uint8_t dp_tx_get_rbm_id_be(struct dp_soc *soc,
return rbm;
}
#endif
#ifdef QCA_SUPPORT_TX_MIN_RATES_FOR_SPECIAL_FRAMES
/*
@@ -490,6 +491,40 @@ dp_tx_set_min_rates_for_critical_frames(struct dp_soc *soc,
}
#endif
#ifdef DP_TX_PACKET_INSPECT_FOR_ILP
/**
* dp_tx_set_particular_tx_queue() - set particular TX TQM flow queue 3 for
* TX packets, currently TCP ACK only
* @soc: DP soc structure pointer
* @hal_tx_desc: HAL descriptor where fields are set
* @nbuf: skb to be considered for particular TX queue
*
* Return: None
*/
static inline
void dp_tx_set_particular_tx_queue(struct dp_soc *soc,
uint32_t *hal_tx_desc,
qdf_nbuf_t nbuf)
{
if (!soc->wlan_cfg_ctx->tx_pkt_inspect_for_ilp)
return;
if (qdf_unlikely(QDF_NBUF_CB_GET_PACKET_TYPE(nbuf) ==
QDF_NBUF_CB_PACKET_TYPE_TCP_ACK)) {
hal_tx_desc_set_flow_override_enable(hal_tx_desc, 1);
hal_tx_desc_set_flow_override(hal_tx_desc, 1);
hal_tx_desc_set_who_classify_info_sel(hal_tx_desc, 1);
}
}
#else
static inline
void dp_tx_set_particular_tx_queue(struct dp_soc *soc,
uint32_t *hal_tx_desc,
qdf_nbuf_t nbuf)
{
}
#endif
#if defined(WLAN_FEATURE_11BE_MLO) && defined(WLAN_MLO_MULTI_CHIP) && \
defined(WLAN_MCAST_MLO)
#ifdef QCA_MULTIPASS_SUPPORT
@@ -1079,6 +1114,8 @@ dp_tx_hw_enqueue_be(struct dp_soc *soc, struct dp_vdev *vdev,
dp_tx_set_min_rates_for_critical_frames(soc, hal_tx_desc_cached,
tx_desc->nbuf);
dp_tx_set_particular_tx_queue(soc, hal_tx_desc_cached,
tx_desc->nbuf);
dp_tx_desc_set_ktimestamp(vdev, tx_desc);
hal_ring_hdl = dp_tx_get_hal_ring_hdl(soc, ring_id);

79
qdf/inc/qdf_nbuf.h
View File

@@ -98,6 +98,8 @@
#define QDF_NBUF_TRAC_DOUBLE_VLAN_IP_OFFSET 22
/* One dword for IPv4 header size unit */
#define QDF_NBUF_IPV4_HDR_SIZE_UNIT 4
#define QDF_NBUF_TRAC_IPV4_TOTAL_LEN_OFFSET 16
#define QDF_NBUF_TRAC_IPV6_PAYLOAD_LEN_OFFSET 18
/* EAPOL Related MASK */
#define EAPOL_PACKET_TYPE_OFFSET 15
@@ -150,6 +152,14 @@
#define QDF_NBUF_PKT_TCPOP_ACK 0x10
#define QDF_NBUF_PKT_TCP_SRC_PORT_OFFSET 34
#define QDF_NBUF_PKT_TCP_DST_PORT_OFFSET 36
#define QDF_NBUF_PKT_IPV4_TCP_HDR_LEN_OFFSET 46
#define QDF_NBUF_PKT_IPV4_TCP_OPCODE_OFFSET 47
#define QDF_NBUF_PKT_IPV6_TCP_HDR_LEN_OFFSET 66
#define QDF_NBUF_PKT_IPV6_TCP_OPCODE_OFFSET 67
#define QDF_NBUF_PKT_TCP_HDR_LEN_MASK 0xF0
#define QDF_NBUF_PKT_TCP_HDR_LEN_LSB 4
#define QDF_NBUF_PKT_TCP_HDR_LEN_UNIT 4
#define QDF_NBUF_PKT_TCP_ACK_MAX_LEN 100
/* DNS Related MASK */
#define QDF_NBUF_PKT_DNS_OVER_UDP_OPCODE_OFFSET 44
@@ -4248,6 +4258,75 @@ bool qdf_nbuf_is_mcast_replay(qdf_nbuf_t buf)
return __qdf_nbuf_is_mcast_replay(buf);
}
#ifdef DP_TX_PACKET_INSPECT_FOR_ILP
/* Reuse bit24~31 in skb->priority for packet type */
#define QDF_NBUF_PRIORITY_PKT_TYPE_MASK 0xFF000000
#define QDF_NBUF_PRIORITY_PKT_TYPE_LSB 24
/* TCP ACK */
#define QDF_NBUF_PRIORITY_PKT_TCP_ACK 0x1
#define QDF_NBUF_GET_PRIORITY_PKT_TYPE(_pri) \
(((_pri) & QDF_NBUF_PRIORITY_PKT_TYPE_MASK) >> \
QDF_NBUF_PRIORITY_PKT_TYPE_LSB)
#define QDF_NBUF_PRIORITY_PKT_TYPE(_pkt_type) \
(((_pkt_type) << QDF_NBUF_PRIORITY_PKT_TYPE_LSB) & \
QDF_NBUF_PRIORITY_PKT_TYPE_MASK)
/**
* qdf_nbuf_get_priority_pkt_type() - Get packet type from priority
* @nbuf: pointer to network buffer
*
* Return: packet type
*/
static inline
uint8_t qdf_nbuf_get_priority_pkt_type(qdf_nbuf_t nbuf)
{
return QDF_NBUF_GET_PRIORITY_PKT_TYPE(nbuf->priority);
}
/**
* qdf_nbuf_set_priority_pkt_type() - Set packet type to priority
* @nbuf: pointer to network buffer
* @pkt_type: packet type to be set
*
* Return: none
*/
static inline
void qdf_nbuf_set_priority_pkt_type(qdf_nbuf_t nbuf, uint8_t pkt_type)
{
nbuf->priority |= QDF_NBUF_PRIORITY_PKT_TYPE(pkt_type);
}
/**
* qdf_nbuf_remove_priority_pkt_type() - Remove the packet type bits
* from priority
* @@nbuf: pointer to network buffer
*
* Return: none
*/
static inline
void qdf_nbuf_remove_priority_pkt_type(qdf_nbuf_t nbuf)
{
nbuf->priority &= ~QDF_NBUF_PRIORITY_PKT_TYPE_MASK;
}
#endif
/**
* qdf_nbuf_is_ipv4_v6_pure_tcp_ack() - check if it is pure tcp ack
* without data payload
* @buf: Network buffer
*
* Check whether the packet is pure TCP ack without data payload.
*
* Return : true if TCP ack, else return false
*/
static inline
bool qdf_nbuf_is_ipv4_v6_pure_tcp_ack(qdf_nbuf_t buf)
{
return __qdf_nbuf_is_ipv4_v6_pure_tcp_ack(buf);
}
/**
* qdf_nbuf_is_arp_local() - check if it is local or no local arp
* @buf: Network buffer

2
qdf/linux/src/i_qdf_nbuf.h
View File

@@ -91,6 +91,7 @@ typedef struct skb_shared_info *__qdf_nbuf_shared_info_t;
#define QDF_NBUF_CB_PACKET_TYPE_ICMPv6 6
#define QDF_NBUF_CB_PACKET_TYPE_DHCPV6 7
#define QDF_NBUF_CB_PACKET_TYPE_END_INDICATION 8
#define QDF_NBUF_CB_PACKET_TYPE_TCP_ACK 9
#define RADIOTAP_BASE_HEADER_LEN sizeof(struct ieee80211_radiotap_header)
@@ -961,6 +962,7 @@ uint8_t __qdf_nbuf_data_get_ipv6_tc(uint8_t *data);
void __qdf_nbuf_data_set_ipv4_tos(uint8_t *data, uint8_t tos);
void __qdf_nbuf_data_set_ipv6_tc(uint8_t *data, uint8_t tc);
bool __qdf_nbuf_is_ipv4_last_fragment(struct sk_buff *skb);
bool __qdf_nbuf_is_ipv4_v6_pure_tcp_ack(struct sk_buff *skb);
#ifdef QDF_NBUF_GLOBAL_COUNT
int __qdf_nbuf_count_get(void);

74
qdf/linux/src/qdf_nbuf.c
View File

@@ -3102,6 +3102,80 @@ bool __qdf_nbuf_is_arp_local(struct sk_buff *skb)
return false;
}
/**
* __qdf_nbuf_data_get_tcp_hdr_len() - get TCP header length
* @data: pointer to data of network buffer
* @tcp_hdr_len_offset: bytes offset for tcp header length of ethernet packets
*
* Return: TCP header length in unit of byte
*/
static inline
uint8_t __qdf_nbuf_data_get_tcp_hdr_len(uint8_t *data,
uint8_t tcp_hdr_len_offset)
{
uint8_t tcp_hdr_len;
tcp_hdr_len =
*((uint8_t *)(data + tcp_hdr_len_offset));
tcp_hdr_len = ((tcp_hdr_len & QDF_NBUF_PKT_TCP_HDR_LEN_MASK) >>
QDF_NBUF_PKT_TCP_HDR_LEN_LSB) *
QDF_NBUF_PKT_TCP_HDR_LEN_UNIT;
return tcp_hdr_len;
}
bool __qdf_nbuf_is_ipv4_v6_pure_tcp_ack(struct sk_buff *skb)
{
bool is_tcp_ack = false;
uint8_t op_code, tcp_hdr_len;
uint16_t ip_payload_len;
uint8_t *data = skb->data;
/*
* If packet length > TCP ACK max length or it's nonlinearized,
* then it must not be TCP ACK.
*/
if (qdf_nbuf_len(skb) > QDF_NBUF_PKT_TCP_ACK_MAX_LEN ||
qdf_nbuf_is_nonlinear(skb))
return false;
if (qdf_nbuf_is_ipv4_tcp_pkt(skb)) {
ip_payload_len =
QDF_SWAP_U16(*((uint16_t *)(data +
QDF_NBUF_TRAC_IPV4_TOTAL_LEN_OFFSET)))
- QDF_NBUF_TRAC_IPV4_HEADER_SIZE;
tcp_hdr_len = __qdf_nbuf_data_get_tcp_hdr_len(
data,
QDF_NBUF_PKT_IPV4_TCP_HDR_LEN_OFFSET);
op_code = (uint8_t)(*(uint8_t *)(data +
QDF_NBUF_PKT_IPV4_TCP_OPCODE_OFFSET));
if (ip_payload_len == tcp_hdr_len &&
op_code == QDF_NBUF_PKT_TCPOP_ACK)
is_tcp_ack = true;
} else if (qdf_nbuf_is_ipv6_tcp_pkt(skb)) {
ip_payload_len =
QDF_SWAP_U16(*((uint16_t *)(data +
QDF_NBUF_TRAC_IPV6_PAYLOAD_LEN_OFFSET)));
tcp_hdr_len = __qdf_nbuf_data_get_tcp_hdr_len(
data,
QDF_NBUF_PKT_IPV6_TCP_HDR_LEN_OFFSET);
op_code = (uint8_t)(*(uint8_t *)(data +
QDF_NBUF_PKT_IPV6_TCP_OPCODE_OFFSET));
if (ip_payload_len == tcp_hdr_len &&
op_code == QDF_NBUF_PKT_TCPOP_ACK)
is_tcp_ack = true;
}
return is_tcp_ack;
}
#ifdef NBUF_MEMORY_DEBUG
static spinlock_t g_qdf_net_buf_track_lock[QDF_NET_BUF_TRACK_MAX_SIZE];

24
wlan_cfg/cfg_dp.h
View File

@@ -1813,6 +1813,27 @@
CFG_INI_BOOL("host_ast_db_enable", false, \
"Host AST entries database Enable/Disable")
#ifdef DP_TX_PACKET_INSPECT_FOR_ILP
/*
* <ini>
* TX packet inspect for ILP - Enable/Disable
*
* @Default: true
*
* This ini enable/disables TX packet inspection for ILP feature
*
* Usage: Internal
*
* </ini>
*/
#define CFG_TX_PKT_INSPECT_FOR_ILP \
CFG_INI_BOOL("tx_pkt_inspect_for_ilp", true, \
"TX packet inspect for ILP")
#define CFG_TX_PKT_INSPECT_FOR_ILP_CFG CFG(CFG_TX_PKT_INSPECT_FOR_ILP)
#else
#define CFG_TX_PKT_INSPECT_FOR_ILP_CFG
#endif
#define CFG_DP \
CFG(CFG_DP_HTT_PACKET_TYPE) \
CFG(CFG_DP_INT_BATCH_THRESHOLD_OTHER) \
@@ -1934,5 +1955,6 @@
CFG(CFG_DP_HOST_AST_DB_ENABLE) \
CFG_DP_SAWF_STATS_CONFIG \
CFG(CFG_DP_HANDLE_INVALID_DECAP_TYPE_DISABLE) \
CFG(CFG_DP_TXMON_SW_PEER_FILTERING)
CFG(CFG_DP_TXMON_SW_PEER_FILTERING) \
CFG_TX_PKT_INSPECT_FOR_ILP_CFG
#endif /* _CFG_DP_H_ */

27
wlan_cfg/wlan_cfg.c
View File

@@ -1,6 +1,6 @@
/*
* Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
* Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
@@ -2835,6 +2835,29 @@ void wlan_cfg_set_sawf_stats_config(struct wlan_cfg_dp_soc_ctxt *cfg,
}
#endif /* CONFIG_SAWF_STATS */
#ifdef DP_TX_PACKET_INSPECT_FOR_ILP
/**
* wlan_soc_tx_packet_inspect_attach() - Update TX packet inspection config
* @psoc: object manager psoc
* @wlan_cfg_ctx: dp soc cfg ctx
*
* Return: None
*/
static void
wlan_soc_tx_packet_inspect_attach(struct cdp_ctrl_objmgr_psoc *psoc,
struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx)
{
wlan_cfg_ctx->tx_pkt_inspect_for_ilp =
cfg_get(psoc, CFG_TX_PKT_INSPECT_FOR_ILP);
}
#else
static void
wlan_soc_tx_packet_inspect_attach(struct cdp_ctrl_objmgr_psoc *psoc,
struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx)
{
}
#endif
struct wlan_cfg_dp_soc_ctxt *
wlan_cfg_soc_attach(struct cdp_ctrl_objmgr_psoc *psoc)
{
@@ -3059,6 +3082,8 @@ wlan_cfg_soc_attach(struct cdp_ctrl_objmgr_psoc *psoc)
cfg_get(psoc, CFG_DP_HANDLE_INVALID_DECAP_TYPE_DISABLE);
wlan_cfg_ctx->txmon_sw_peer_filtering =
cfg_get(psoc, CFG_DP_TXMON_SW_PEER_FILTERING);
wlan_soc_tx_packet_inspect_attach(psoc, wlan_cfg_ctx);
return wlan_cfg_ctx;
}

7
wlan_cfg/wlan_cfg.h
View File

@@ -1,6 +1,6 @@
/*
* Copyright (c) 2013-2021 The Linux Foundation. All rights reserved.
* Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
@@ -327,6 +327,8 @@ struct wlan_srng_cfg {
* @notify_frame_support: flag indicating capability to mark notify frames
* @is_handle_invalid_decap_type_disabled: flag to indicate if invalid decap
* type handling is disabled
* @tx_pkt_inspect_for_ilp: flag to indicate if TX packet inspection for HW
* based ILP feature is enabled
*/
struct wlan_cfg_dp_soc_ctxt {
int num_int_ctxts;
@@ -516,6 +518,9 @@ struct wlan_cfg_dp_soc_ctxt {
uint8_t napi_scale_factor;
uint8_t notify_frame_support;
bool is_handle_invalid_decap_type_disabled;
#ifdef DP_TX_PACKET_INSPECT_FOR_ILP
bool tx_pkt_inspect_for_ilp;
#endif
};
/**