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minor changes due to CR with HiFiPhile

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Hardy Griech 2024-05-05 20:33:01 +02:00
parent 327e3ec4bd
commit ea55537fb2
2 changed files with 31 additions and 25 deletions
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50
src/class/net/ncm.h
View File

@ -2,6 +2,7 @@
* The MIT License (MIT)
*
* Copyright (c) 2021, Ha Thach (tinyusb.org)
* Copyright (c) 2024, Hardy Griech
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@ -29,42 +30,47 @@
#define _TUSB_NCM_H_
#include "common/tusb_common.h"
#include "lwipopts.h"
#ifndef CFG_TUD_NCM_IN_NTB_MAX_SIZE
/// must be >> MTU
#define CFG_TUD_NCM_IN_NTB_MAX_SIZE 3200
#define CFG_TUD_NCM_IN_NTB_MAX_SIZE (2 * TCP_MSS + 100)
#endif
#ifndef CFG_TUD_NCM_OUT_NTB_MAX_SIZE
/// must be >> MTU
#define CFG_TUD_NCM_OUT_NTB_MAX_SIZE 3200
#define CFG_TUD_NCM_OUT_NTB_MAX_SIZE (2 * TCP_MSS + 100)
#endif
#ifndef CFG_TUD_NCM_OUT_NTB_N
/// number of ntb buffers for reception side
/// 1 - good performance
/// 2 - up to 30% more performance with iperf with small packets
/// >2 - no performance gain
#define CFG_TUD_NCM_OUT_NTB_N 2
/// number of NTB buffers for reception side
/// 1 - good performance
/// 2 - up to 30% more performance with iperf with small packets
/// >2 - no performance gain
/// -> for performance optimizations this parameter could be increased with the cost of additional RAM requirements
#define CFG_TUD_NCM_OUT_NTB_N 1
#endif
#ifndef CFG_TUD_NCM_IN_NTB_N
/// number of ntb buffers for transmission side
/// 1 - good performance but SystemView shows lost events (on load test)
/// 2 - up to 50% more performance with iperf with small packets, "tud_network_can_xmit: request blocked"
/// happens from time to time with SystemView
/// 3 - "tud_network_can_xmit: request blocked" never happens
/// >2 - no performance gain
#define CFG_TUD_NCM_IN_NTB_N 3
/// number of NTB buffers for transmission side
/// 1 - good performance but SystemView shows lost events (on load test)
/// 2 - up to 50% more performance with iperf with small packets, "tud_network_can_xmit: request blocked"
/// happens from time to time with SystemView
/// 3 - "tud_network_can_xmit: request blocked" never happens
/// >2 - no performance gain
/// -> for performance optimizations this parameter could be increased with the cost of additional RAM requirements
#define CFG_TUD_NCM_IN_NTB_N 1
#endif
#ifndef CFG_TUD_NCM_MAX_DATAGRAMS_PER_NTB
/// this is for the transmission size for allocation of \a ndp16_datagram_t
#define CFG_TUD_NCM_MAX_DATAGRAMS_PER_NTB 8
#ifndef CFG_TUD_NCM_IN_MAX_DATAGRAMS_PER_NTB
/// this is for the transmission side for allocation of \a ndp16_datagram_t
#define CFG_TUD_NCM_IN_MAX_DATAGRAMS_PER_NTB 8
#endif
#ifndef CFG_TUD_NCM_OUT_MAX_DATAGRAMS_PER_NTB
/// this tells the host how many datagrams it is allowed to put into an NTB
#define CFG_TUD_NCM_OUT_MAX_DATAGRAMS_PER_NTB 6
#endif
#ifndef CFG_TUD_NCM_ALIGNMENT
#define CFG_TUD_NCM_ALIGNMENT 4
#define CFG_TUD_NCM_ALIGNMENT 4
#endif
#if (CFG_TUD_NCM_ALIGNMENT != 4)
#error "CFG_TUD_NCM_ALIGNMENT must be 4, otherwise the headers and start of datagrams have to be aligned (which they are currently not)"
@ -136,7 +142,7 @@ typedef union TU_ATTR_PACKED {
struct {
nth16_t nth;
ndp16_t ndp;
ndp16_datagram_t ndp_datagram[CFG_TUD_NCM_MAX_DATAGRAMS_PER_NTB + 1];
ndp16_datagram_t ndp_datagram[CFG_TUD_NCM_IN_MAX_DATAGRAMS_PER_NTB + 1];
};
uint8_t data[CFG_TUD_NCM_IN_NTB_MAX_SIZE];
} xmit_ntb_t;

6
src/class/net/ncm_device.c
View File

@ -1,8 +1,8 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2023 Hardy Griech
* Copyright (c) 2019 Ha Thach (tinyusb.org)
* Copyright (c) 2024 Hardy Griech
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@ -126,7 +126,7 @@ CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN tu_static const ntb_parameters_t ntb_par
.wNdbOutDivisor = 4,
.wNdbOutPayloadRemainder = 0,
.wNdbOutAlignment = CFG_TUD_NCM_ALIGNMENT,
.wNtbOutMaxDatagrams = 6 // 0=no limit
.wNtbOutMaxDatagrams = CFG_TUD_NCM_OUT_MAX_DATAGRAMS_PER_NTB,
};
//-----------------------------------------------------------------------------
@ -371,7 +371,7 @@ static bool xmit_requested_datagram_fits_into_current_ntb(uint16_t datagram_size
if (ncm_interface.xmit_glue_ntb == NULL) {
return false;
}
if (ncm_interface.xmit_glue_ntb_datagram_ndx >= CFG_TUD_NCM_MAX_DATAGRAMS_PER_NTB) {
if (ncm_interface.xmit_glue_ntb_datagram_ndx >= CFG_TUD_NCM_IN_MAX_DATAGRAMS_PER_NTB) {
return false;
}
if (ncm_interface.xmit_glue_ntb->nth.wBlockLength + datagram_size + XMIT_ALIGN_OFFSET(datagram_size) > CFG_TUD_NCM_OUT_NTB_MAX_SIZE) {