6340679db0
Add support to update tsf timestamp on driver entry and exit in data packet. This helps debug latency issue in XR usecases Change-Id: I00dcf2416513b94701c11f2a07b2dc74b665f573 CRs-Fixed: 3116365
172 lines
4.1 KiB
C
172 lines
4.1 KiB
C
/*
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* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/**
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* DOC: qdf_pkt_add_timestamp.h
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* This file defines HLOS agnostic functions providing external interface
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* for adding timestamp in packet payload.
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*/
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#if !defined(_QDF_PKT_ADD_TS_H)
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#define _QDF_PKT_ADD_TS_H
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#include <qdf_nbuf.h>
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#include <qdf_types.h>
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#include <qdf_trace.h>
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/**
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* enum qdf_pkt_supported_proto - supported protocol for timestamp
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* @QDF_PKT_PROTO_INVAL - invalid
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* @QDF_PKT_PROTO_TCP - tcp protocol
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* @QDF_PKT_PROTO_UDP - udp protocol
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* @QDF_PKT_PROTO_MAX - max, keep it at last
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*/
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enum qdf_pkt_supported_proto {
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QDF_PKT_PROTO_INVAL,
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QDF_PKT_PROTO_TCP,
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QDF_PKT_PROTO_UDP,
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QDF_PKT_PROTO_MAX
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};
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/**
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* enum qdf_pkt_timestamp_index - index of different timestamp
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* @QDF_PKT_TX_DRIVER_ENTRY - tx driver entry timestamp
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* @QDF_PKT_TX_DRIVER_EXIT - tx driver exit timestamp
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* @QDF_PKT_RX_DRIVER_ENTRY - rx driver entry timestamp
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* @QDF_PKT_RX_DRIVER_EXIT - rx driver exit timestamp
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* @QDF_PKT_TIMESTAMP_MAX - maximum index, keep it at last
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*/
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enum qdf_pkt_timestamp_index {
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QDF_PKT_TX_DRIVER_ENTRY,
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QDF_PKT_TX_DRIVER_EXIT,
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QDF_PKT_RX_DRIVER_ENTRY,
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QDF_PKT_RX_DRIVER_EXIT,
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QDF_PKT_TIMESTAMP_MAX
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};
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#ifdef CONFIG_DP_PKT_ADD_TIMESTAMP
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#define NUM_DP_PKT_TIMESTAMP_SUPPORT 4
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struct ts_info {
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uint64_t sec;
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uint64_t usec;
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} qdf_packed;
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struct ts {
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struct ts_info ts_info[QDF_PKT_TIMESTAMP_MAX];
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} qdf_packed;
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#define QDF_PKT_PROTO_TCP_BIT (1 << QDF_PKT_PROTO_TCP)
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#define QDF_PKT_PROTO_UDP_BIT (1 << QDF_PKT_PROTO_UDP)
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struct dp_pkt_proto_info {
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enum qdf_pkt_supported_proto proto;
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uint16_t port;
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uint16_t offset;
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};
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struct dp_pkt_add_ts_info {
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uint8_t current_index;
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uint16_t enable_protocol_bitmap;
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struct dp_pkt_proto_info proto_info[NUM_DP_PKT_TIMESTAMP_SUPPORT];
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};
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/**
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* qdf_set_dp_pkt_add_ts_info() - set protocol/port and offset info
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*
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* @proto: protocol to timestamp
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* @port: destination port of protocol
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* @offset: offset in payload
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*
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* Return: 0 for success
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*/
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int qdf_set_dp_pkt_add_ts_info(enum qdf_pkt_supported_proto proto,
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uint16_t port, uint16_t offset);
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/**
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* qdf_clear_dp_pkt_add_ts_info() - clear all timestamp info
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*
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* Return: none
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*/
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void qdf_clear_dp_pkt_add_ts_info(void);
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/**
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* qdf_show_dp_pkt_add_ts_info() - Update buffer with configured information
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*
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* @buf: buffer pointer to get information
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* @size: size of the buffer
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*
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* Return: number of bytes update in buffer
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*/
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int qdf_show_dp_pkt_add_ts_info(char *buf, size_t size);
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/**
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* qdf_add_dp_pkt_timestamp() - add timestamp in data payload
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*
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* @nbuf: network buffer
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* @index: this decides offset in payload
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* @time: timestamp to update
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*
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* Return: none
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*/
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void qdf_add_dp_pkt_timestamp(qdf_nbuf_t nbuf,
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enum qdf_pkt_timestamp_index index,
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uint64_t time);
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/**
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* qdf_is_dp_pkt_timestamp_enabled() - check if packet timestamping is enabled
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*
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* Return: true/false
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*/
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bool qdf_is_dp_pkt_timestamp_enabled(void);
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#else
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static inline
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int qdf_set_dp_pkt_add_ts_info(enum qdf_pkt_supported_proto proto,
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uint16_t port, uint16_t offset)
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{
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return 0;
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}
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static inline
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void qdf_clear_dp_pkt_add_ts_info(void)
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{
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}
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static inline
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int qdf_show_dp_pkt_add_ts_info(char *buf, size_t size)
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{
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return 0;
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}
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static inline
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void qdf_add_dp_pkt_timestamp(qdf_nbuf_t nbuf,
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enum qdf_pkt_timestamp_index index, uint64_t time)
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{
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}
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static inline
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bool qdf_is_dp_pkt_timestamp_enabled(void)
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{
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return false;
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}
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#endif
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#endif
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