Fifo overruns

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fifo overruns ahmad@linux. See if the UART is an older unbuffered version or a new buffered UART (such as a 16550A or 16750). over 1 year ago. Thanks for reviewing again! On 18-11-2021 20:35, Marton Balint wrote: Introduce fifo_size and overrun_nonfatal params to configure fifo buffer behavior. Nov 17, 2021 · Re: [FFmpeg-devel] [PATCH 2/2] libRIST: allow setting fifo size and fail on overflow. RX_FIFO_NOT_EMPTY interrupt when a frame is received on an empty FIFO. 0 size=102663363kB time=38:52:20. 30. 8. The FIFO buffer size in Moxa products depends on the type of UART used. We've some trouble with the UART (not UARTE) of the nRF52840. RX_FIFO_OVERRUN interrupt when a message is received and the FIFO is full. 66 % which is an acceptable limit as it will not cause any network issues at your end and can be ignored. com> wrote: > As of this morning (Tuesday) using the second latest tarballs, 19971106, I > can run at 19200, but 38400 is pretty much unusable. 0. RX_FRAME | CAN. May 08, 2013 · This > data is not taken into account and the function may request more > data than the controller is actually capable of storing. In an Asynchronous FIFO, the pointers need to cross clock domains. Since overruns result in loss of data this is usually seen as much more important than avoiding underrun of the Tx, and a larger FIFO is common (e. Nov 14, 2015 · RX errors: 表示总的收包的错误数量,这包括 too-long-frames 错误,Ring Buffer 溢出错误,crc 校验错误,帧同步错误,fifo overruns 以及 missed pkg 等等。 RX dropped: 表示数据包已经进入了 Ring Buffer,但是由于内存不够等系统原因,导致在拷贝到内存的过程中被丢弃。 Causes of Interface Overruns. Also, no 300mbps showing? dmesg: ath_hal: 0. To do so, we’ll build off of our previous work using 2FF or 3FF synchronizers, but this time we’ll need to introduce Gray codes as well. ) The m_can_rx_handler function is invoked with a quota of '1'. Jan 11, 2013 · It is for sure that the serial driver HW FIFO overrun is happening since the interrupts in the system are either disabled for more than 1. Apr 22, 2013 · This > data is not taken into account and the function may request more > data than the controller is actually capable of storing. Jun 11, 2020 · One example: Flickering screen + CPU pipe B FIFO underrun when I use the termnal I replaced the motherboard in my X220 and there's damage to the NIC, so it's not impossible there is a hardware fault on this board, but since it does work for a reasonable amount of time and the second screen is stable, I'm confident it's not this board. (The writer has An integrated data controller that utilizes a first-in first-out (FIFO) management system that compensates for the unpredictable nature of latency associated with requesting data from memory and enables the timing of data requests to be determined based on the number of pending requests and the amount of data currently residing in the buffer. I have done the following: 1. FIFOs are typically FIFO queuing sets tx-ring size to maximum size supported by hardware. You should use a buffered UART for the reasons discussed above. Dec 14, 2015 · overruns display the number of fifo overruns, which indicates that the kernel can’t keep up with the speed of the ring-buffer being emptied. 02-0. 0-4843 dev build. 3ae] Link Fault Signaling due to FIFO under/over run All, Here's the editorial wording I'd like to propose to be added This is when the overrun status is set. Fifo size is used to left shift 2, since libRIST only accepts powers of 2. This is what I obtain when running cat /proc/net/dev: Inter-| Receive | Transmit face |packets errs drop fifo frame|packets errs drop fifo colls carrier May 11, 2015 · overruns,表示这个数据包还没有被进入到网卡的接收缓存fifo队列就被丢掉,因此此时网卡的fifo是满的。 为什么fifo会是满的? 因为系统繁忙,来不及响应网卡中断,导致网卡里的数据包没有及时的拷贝到系统内存,fifo是满的就导致后面的数据包进不来,即这个 Jul 09, 2008 · Same here for me "wifi0: rx FIFO overrun; resetting" which is looping and looping in the dmesg output. This output can be used to prevent FIFO overruns from occurring. Here, the overruns are 0. Why is the FIFO full ? Because Linux didn’t treat the serial interruption quickly enough. The FIFO size is user configurable. I've also copied the simpler netdev_close locking from ns83820. level, FIFO overrun and FIFO empty events can be enabled to generate interrupts 3 FIFO buffers embedded in ST MEMS sensors 07/06/2013 FIFO in-sight view FIFO connection block diagram 32nd sample 33rd sample Nov 17, 2021 · Re: [FFmpeg-devel] [PATCH 2/2] libRIST: allow setting fifo size and fail on overflow. Various signals defined to perform the operation of FIFO. The RX FIFO prevents receiver over-run when the microcontroller can not service the UART promptly. Circular buffer overrun. For example, with our 16950 UART serial cards, it can The Data Receive Register/FIFO Overrun interrupt – indicates that the SPI device received data and subsequently dropped the data because the data receive register and FIFO was full. If you are not overclocking core_freq that is simple. Maxim Integrated Page 8 of 414 . Nothing in game triggers. Dec 01, 2015 · Re: FIFO underrun on pipe A. The serial controller chip has limited internal FIFO. If not specified defaults to 7*4096. 2 (svn r2351) wifi0 Causes of Interface Overruns. 534 Designing with the EZ-USB FX3 Slave FIFO Interface Dec 01, 2015 · Re: FIFO underrun on pipe A. detail | match fifo sys. To survive in such case, use overrun_nonfatal option PES packet size mismatch. I think I found the reason for the Rx status FIFO overrun nic hang: If the Rx fifo overflows, the nic sets RxStatusFIFOOver _instead_ of IntrRxIntr. Aug 27, 2001 · This means that the Rx ring is not emptied any more, the upload is stalled when the ring becomes full and the FIFO overrun occurs. To avoid, increase fifo_size URL option. By giving an early warning with almost-full the host can see it in time, stall its writing and avoid FIFO overrun. . May 04, 2012 · Here are the suggestions from NI for hardware overrun errors. Jul 09, 2021 · Question If the FIFO was overrun, would the FIFO continue to receive data? Answer No. Hi. Happens after long periods of idle time (not moving, not pause), inside home or outside. Therefore we can't receive any new message. TX FIFO Control Module The Asynchronous TX FIFO is used to store the 32-bit streaming data received from the AXI4-Stream slave interface. Nov 02, 2013 · sudo rpi-update. 2) Send myself 4 CAN bus messages. The reset of the bytes are thrown away. With a larger FIFO, for each interrupt that is issued you can often read all of the Jul 24, 2013 · FX3 GPIF Underrun and Overrun in Synchronous Slave FIFO inte. Channel Transmitter PMA fixedclk Input 2. The attached patch adds proper OOM handling to natsemi. com> > Acked-by: Mika Westerberg Aug 27, 2018 · Overruns which are there are due to Intermittent Packet Bursts Oversubscribe the ASA Interface FIFO Queue. Jul 24th, 2013. To avoid this, configure NI-Serial's interrupt handling mode. Best regards, Bogdan Costescu IWR - Interdisziplinaeres Zentrum fuer Wissenschaftliches Rechnen Universitaet Heidelberg, INF 368, D-69120 Heidelberg, GERMANY Telephone: +49 6221 54 8869, Telefax: +49 6221 54 8868 E Circular buffer overrun. Mar 29, 2019 · Question Q1. early PC VGA display adapters offered classic examples of this problem. servers use a variety of UARTs. Our NPort, MSB, and async. I googled around a bit and it seem to be a lot of references (even on this forum) that might help you in right direction. If you increase this value too high, characters may overrun the FIFO/buffer. I looked at the latest reference manual (RM0090), and there is a diagram called Causes of Interface Overruns. The only "legitimate" case when increase of the fifo size may really be the correct solution, is a slow, unreliable network. Best regards, Bogdan Costescu IWR - Interdisziplinaeres Zentrum fuer Wissenschaftliches Rechnen Universitaet Heidelberg, INF 368, D-69120 Heidelberg, GERMANY Telephone: +49 6221 54 8869, Telefax: +49 6221 54 8868 E Jan 20, 2015 · Similarily with an overrun condition: when you do not manage to pick up the characters received the last one will be fed into the fifo (because it is a FIFO!) and the earliest received character will be pushed out into the nirwana pool. Mar 15, 2021 · FIFO workers safe after plane overruns Newman runway A plane carrying FIFO workers has overshot the runway in Newman Airport, Western Australia upon completing its journey from Perth. 1. , one with a maximum latency. intel. 3) Enable those 2 interrupts. Refer to the following table for details on the FIFO buffer size. A deeper receiver FIFO is often needed to avoid overrun of the receiver. FIFOs are typically The FIFO buffer size in Moxa products depends on the type of UART used. overruns s32 read/write The number of times that sampler has tried to write data to the HAL pins but found no room in the FIFO. January 13, 2020 0 comment I think this meets the objective or being an editorial word-to-the-wise. 1kbits/s dup=21 drop=0 [mpeg2video @ 0x25cda20] ac-tex damaged at 36 21 [mpeg2video @ 0x25cda20] Warning MVs not available Aug 27, 2001 · This means that the Rx ring is not emptied any more, the upload is stalled when the ring becomes full and the FIFO overrun occurs. SH7262/SH7264 Group Serial Communication with FIFO, Configuring the Serial Communication in Clock Synchronous Mode (Full-duplex) REJ06B0978-0100 Rev. FIFO Overrun interrupt on INT1. With a larger FIFO, for each interrupt that is issued you can often read all of the Nov 10, 2017 · The FIFO is measured by the number of samples that it can hold. When the synchronized read address is subtracted from the write address, the FIFO level is stable on the write clock, and the FIFO level is guaranteed to be less than or equal to the output of the subtractor. a guest . 1 Receive FIFO Overrun -----249 Causes of Interface Overruns. 295 UTC:%HWIC_HOST-1-RX_OVERRUN_ERROR: HWIC_HOST: Host termination logic experience FIFO overrun for Interface Descriptor Block 0x2BC72750 I don't know what Jul 20, 2021 · AM3352: ADC FIFO overrun. 3. Thus, if jitter accumulates over the fill or empty time of a FIFO and the FIFO depth is fully used by the applications, it is possible to create FIFO over- and underrun conditions. (The writer has The Data Receive Register/FIFO Overrun interrupt indicates that the SPI device received data and subsequently dropped the data because the data receive register (or FIFO) was full. h. This causes the FIFO queue to fill up and new packets to be dropped. Once the CPU reads a key entry, then FIFO is updated, and the key entry is pushed out of the FIFO to generate space for new entries. frame counts the number of received misaligned Ethernet frames. You probably also want to set the sdcard clock to the same as the gpu core clock. In such case, UDP packets may arrive significantly out of order, and nothing but fifo size will compensate that. Oct 19, 2005 · An overrun happens when the UART receives data while its FIFO buffer is full. In effect, the difference between almost-full and full forms a thing called a skid buffer. Jul 09, 2008 · Same here for me "wifi0: rx FIFO overrun; resetting" which is looping and looping in the dmesg output. RX FIFO will get overwritten if you send more than four bytes before the data in the RX FIFO is read by CPU. handler is the function to be called when the event happens. The data width of the FIFO is fixed at 32 bits. This is documented in the datasheet afaik (do not let me search for the exact place) the FIFO overrun condition in the SPDIF/AES3 transmitter. FIFO Interrupt Trigger Levels: Receive Buffer I f you decrease this value, more interrupts are sent to the processor, slowing bytes into the UART. 8kbits/s dup=0 drop=15517 speed= 1x [udp @ 0x2b5dfc0] Circular buffer overrun. Reason: 1. > > This patch ensures the driver takes into account the outstanding > master-rx data in TX FIFO to prevent RX FIFO overrun. The Qantas aircraft, which was reportedly carrying fly-in, fly-out (FIFO) workers, stopped around 50 metres past the end of the runway at low speed. What is the fifo_overrun counter and what causes it to increase? admin@pa> show system state filter sys. Fixing these two flags is really the focus of how to build an asynchronous FIFO . Because of HW シリアル コントローラ チップは、内部 fifo を制限します。 たとえば、一部のチップのバッファ スペースは 256 バイトです。 ネットワークからのデータがバッファで受信されるとすぐに、CPU 処理のためにチップはバッファからルータの共有メモリにデータ Jul 09, 2021 · Question If the FIFO was overrun, would the FIFO continue to receive data? Answer No. I have a questions about the behavior when the ADC FIFO overrun. 5-125 MHz clock for Adaptive Equalization (AEQ) feature. KEYWORDS: Asynchronous FIFO, synchronization, overrun, underrun, status flags, gray code converter, Design for test, RTL Code. ) m_can_do_rx_poll won't be invoked, because the IR_RF0N flag may not be set. + +@item overrun_nonfatal=@var{1|0} +Survive in case of circular buffer overrun. Channel Central Control Unit (CCU) rx_channelaligned Output 10-Gigabit Attachment Unit Interface (XAUI) deskew FIFO aligned flag. c. Nov 17, 2021 · Bus overruns errors are the number of times the adapter's receive FIFO (first-in-first-out) buffer overflowed and a packet was dropped. 15. • FIFO programmable watermark level, FIFO overrun and FIFO empty events can be enabled to generate interrupts 3 07/06/2013 FIFO buffers embedded in ST MEMS sensors FIFO in-sight view FIFO connection block diagram 32nd sample 33rd sample FIFO to overrun or underrun and lose data. The Trouble with FIFO—Timeout Design The data loss that can result from a 1-byte limitation on FIFO size is why most advanced UARTs, such as the 16550A, support a FIFO size of 16 bytes or more. --Bob -----Original Message----- From: Rich Taborek [mailto:rtaborek@earthlink. Nov 10, 2017 · The FIFO is measured by the number of samples that it can hold. RX packets:443 errors:0 dropped:0 overruns:0 TX packets:157 errors:9 dropped:0 overruns:9 Interrupt:11 Base address:0x320 DMA chan:5 . But as the FIFO buffers are turned down, performance will be decreased. Couldn't find any "static" solution, it seems it's a bug that occurs/reoccurs from time to time with various laptops. 4. This is documented in the datasheet afaik (do not let me search for the exact place) MAX78000 User Guide . Dec 14, 2020 · When an rx fifo overrun occures (IR_RF0L), the messages in the tcan4x5x device will not be read out. If I implement the hardware flow control, as per a thread here UART errors: "Rx FIFO overrun" and "overwrite!" Jul 09, 2021 · The first two bytes can be (Slave Address + Data Byte 0) if ADDRCHK bit is set to 1, or (Data Byte 0 + Data Byte 1) when ADDRCHK bit is 0. detail Sep 01, 2005 · Overruns occur when the internal First In, First Out (FIFO) buffer of the chip is full, but is still tries to handle incoming traffic. SecondaryInterrupts = 1 has been the default behavior since the token was introduced in 3. Nov 17, 2021 · Introduce fifo_size and overrun_nonfatal params to configure fifo buffer behavior. Try setting the RXFFIL bits to a value of 2 so that an interrupt gets generated when RX FIFO receives two bytes. I have tried different usb serial cables, but they have the same 16 byte buffer and the same problem. FIFO is overflown by GatherPipe, CPU thread is too fast! Still happening as of 4. Once the FIFO is overrun, an interrupt occurs and the FIFO can no longer be filled, resulting in potential data loss. Note the comment about LabVIEW-related software: 1. There is some workarounds here and there that have fixed it for some people Causes of Interface Overruns. 7. Increased the the fifo_size, set overrun non fatal. In the following printout, the output FIFO queue was set to 20 packets and a UDP packet flood was started to saturate the output queue: a1#show running interface serial 0/1/0 Jan 22, 2015 · Similarily with an overrun condition: when you do not manage to pick up the characters received the last one will be fed into the fifo (because it is a FIFO!) and the earliest received character will be pushed out into the nirwana pool. depth 4, which is common). Thus netdev_rx is never called, the rx ring is never refilled, nic hangs. The interrupt applies to both master and slave operation. To enable, you want in config. Adjusting the FIFOs is generally a bad idea and won't help as much as they hurt. 2 ms or other interrupt is taking time greater than 1. Transmit Buffer The Transmit Buffer slider supports various values. @end table Some usage examples of the udp protocol with @command{ffmpeg} follow. January 13, 2020 0 comment Nov 17, 2021 · Re: [FFmpeg-devel] [PATCH 2/2] libRIST: allow setting fifo size and fail on overflow. 0625 s = 128 samples). You can check RXFFOVF flag in SCIFFRX register to confirm the overflow. net] Sent: Friday, February 08, 2002 10:22 AM To: Geoff Thompson Cc: Grow, Bob; HSSG (E-mail); Eric Lynsky Subject: Re: [802. 00 Page 7 of 28 Apr. 28 bitrate=6009. com> From: Jason Thorpe <thorpej@nas. 5 (svn r2351) ACPI: PCI Interrupt 0000:00:07. In order to avoid overrun, we can design a real-time system, i. Therefore, it is responsibility of software to clear the FIFO before it overruns. The RX FIFO's internal read pointer becomes out of sync, and subsequent calls to release the buffer may shift the buffer window by an incorrect amount, leading to corrupt Jul 02, 2021 · For example, a device writing a FIFO may take more than one cycle to respond to a full indication, so it could overrun. This function will receive one argument. Enable ; Definition at line 354 of file lis3dh. Causes of Interface Overruns. If a FIFO contains a valid key entry, then the CPU is interrupted in an interrupt mode else the CPU checks the status in polling to read the entry. I have this happening with Harvest Moon Magical Melody. FIFO overrun or underrun situation. 2 FIFO The FIFO buffer provides more buffering space and also reduces the probability of data overrun [2]. e. LIS3DH_CTRL_REG3_I1_WTM_MASK. lemi 2 pts. – user1867459 Jul 09, 2021 · Question What happened if the RX FIFO of EFM8LB1 I2C Slave overruns? Answer EFM8LB1 I2C Slave peripheral includes two separate 2 -byte FIFOs on transmit and receive. Nov 13, 2010 · The 16 byte Fifo on the usb serial cable is set to 1, but this makes little diference. Therefore the m_can_do_rx_poll function will Nov 17, 2021 · Re: [FFmpeg-devel] [PATCH 2/2] libRIST: allow setting fifo size and fail on overflow. FIFO to overrun or underrun and lose data. 1. RX_FIFO_OVERRUN. The values can be OR-ed together, for instance trigger=CAN. 3ae] Link Fault Signaling due to FIFO under/over run All, Here's the editorial wording I'd like to propose to be added Jan 22, 2015 · Similarily with an overrun condition: when you do not manage to pick up the characters received the last one will be fed into the fifo (because it is a FIFO!) and the earliest received character will be pushed out into the nirwana pool. 0 size= 276021kB time=00:02:16. Disable. 2 ms. Feb 02, 2017 · The same issue is posted here: iMX6Quad uart RX Fifo Overrun and also in many threads. com> > Acked-by: Mika Westerberg Causes of Interface Overruns. 2. This An overrun occurs when there are 16 elements in the receive FIFO, and a 17 th frame comes into the receiver. p2. The answers I got are like to implement hardware flow control OR increase the CPU frequency to maximum. ftp can't overflows after a certain period of time. Try hardware handshaking. From what I have read it is the device driver not reading the usb port fast enough, and the usb serial cable "chip" runs out of buffer. g. For Example: The cDAQ-9178 has an input FIFO that can store 127 samples per slot. Jul 06, 2018 · Fig 2. The main function of FIFO buffer is to send and receive data, and reduce the communication time between the serial port and the CPU as shown in figure 3 . N. However, if you want to enable flow control – on ASA interface and the next hop that can be done as well. We use a baudrate of 38400. You may play with FIFO size in Records (here default 150), the actual content of a Sample Record, and with Sample period/rate (default 5ms =200Hz) such it all fits into MapleMini memory (we assume you got 20kB ram) and you do not get FIFO overruns when an WL hits, 3. If this is the problem, it points to more serious hardware issues. The actual size of the output queue is set by the hold-queue out interface configuration parameter. I think this meets the objective or being an editorial word-to-the-wise. This is when the overrun status is set. 9. 13 (AR5210, AR5211, AR5212, AR5416, RF5111, RF5112, RF2413, RF5413, RF2133) wlan: 0. TX information Details about transmitted packets. May 11, 2015 · overruns,表示这个数据包还没有被进入到网卡的接收缓存fifo队列就被丢掉,因此此时网卡的fifo是满的。 为什么fifo会是满的? 因为系统繁忙,来不及响应网卡中断,导致网卡里的数据包没有及时的拷贝到系统内存,fifo是满的就导致后面的数据包进不来,即这个 2. Once the FIFO is overrun, an interrupt occurs and the FIFO can no longer be filled, Sep 19, 2013 · Hi guys, i want to ask something about log that i got recently on one of my router which i monitor,the log is 65986: 164409: Sep 18 09:58:43. Interface overrun errors are usually caused by a combination of these factors: Software level – The ASA software does not pull the packets off of the interface FIFO queue fast enough. overflows after a certain period of time. 1kbits/s dup=21 drop=0 [mpeg2video @ 0x25cda20] ac-tex damaged at 36 21 [mpeg2video @ 0x25cda20] Warning MVs not available Causes of Interface Overruns. Default value 0. Q1: Is the data in the FIFO overwritten when an overrun occurs? or does the ADC converted data stop outputting to the FIFO? Q2: It is described in TRM that TSC_ADC_SS should be disabled and re-enabled to recover from FIFO overrun condition. INTRODUCTION: First in first out is a memory file which allows the data in a queue and it uses the synchronization for transferring the data. different threads and use a queue of frames between them. Made my avcodec_decode_video2 and my processing of the frame in. SCI FIFO depth is four in F28069 devices. Default value is 0. 2 (svn r2351) ath_pci: 0. -- Nov 11, 1997 · Subject: Re: silo overflows, was fifo overruns To: Brad Salai <bsalai@servtech. When RMC reaches 64, the RX FIFO becomes unrecoverable (due to an RTL bug). Some chips, for example, have only 256 bytes of buffer space. This means that an input task with four channels acquiring data at a rate of 512 S/s/ch would overrun the onboard FIFO in less than 63 milliseconds (512 S/s/ch * 4 ch * 0. Nov 01, 2019 · None of the bytes of these overrun messages are written to RX FIFO because it is already full. Jan 24, 2019 · This can result in more RX FIFO overruns since the serial hardware isn't being serviced often enough. 0[A] -> GSI 18 (level, low) -> IRQ 19 ath_rate_sample: 1. gov> List: current-users Date: 11/11/1997 18:21:40 On Tue, 11 Nov 1997 09:19:21 -0500 (EST) Brad Salai <bsalai@servtech. that runs the sdcard clock off the same pll as the gpu core which reduces problems in the clock domain crossing. packets shows the number of successfully transmitted packets. CAN. Basically, don't bother turning down the FIFO buffers at all, unless you see "CRC Overrun Errors". I've tried to comment the code as the time permitted, 4. This is documented in the datasheet afaik (do not let me search for the exact place) The accuracy of the FIFO level depends on which address is synchronized. ftp can't But as the FIFO buffers are turned down, performance will be decreased. I tried changing process priorities and set the renice value. This is what I obtain when running cat /proc/net/dev: Inter-| Receive | Transmit face |packets errs drop fifo frame|packets errs drop fifo colls carrier Jul 02, 2021 · For example, a device writing a FIFO may take more than one cycle to respond to a full indication, so it could overrun. UART overrun handling FIFO. It increments whenever full is true, and can be reset by the setp command. 28, 2010 Start No Yes End Write the transmit data to the Transmit FIFO data register_n (SCFTDR_n) Writing "the number of transmit FIFO data triggers" of data is completed? FIFO is overflown by GatherPipe, CPU thread is too fast! Still happening as of 4. 125-MHz clock for receiver detect functionality in PCI Express (PIPE) mode. 28 bitrate=16592. I generated an overrun condition for test purposes with these steps: 1) Disable the "FIFO 0 message pending Interrupt" (CAN_IT_FMP0) and the "FIFO 0 overrun Interrupt" (CAN_IT_FOV0, aka FOVIE0). nasa. Sep 19, 2013 · Hi guys, i want to ask something about log that i got recently on one of my router which i monitor,the log is 65986: 164409: Sep 18 09:58:43. Jan 13, 2020 · A plane carrying FIFO workers has overshot the runway in Newman Airport, Western Australia upon completing its journey from Perth. For example, with our 16950 UART serial cards, it can Nov 17, 2021 · Re: [FFmpeg-devel] [PATCH 2/2] libRIST: allow setting fifo size and fail on overflow. Note that overrun_nonfatal will break the video output. txt: emmc_pll_core=1. There is some workarounds here and there that have fixed it for some people Oct 12, 2016 · Surviving due to overrun_nonfatal option Last message repeated 51 times [mpegts @ 0x2b5d800] PES packet size mismatch frame=3174382 fps= 23 q=33. Can you please make fifo_size simply mean the number of packets? User facing options should be easily understandable by the user. The driver reports this condition to the upper layer software through the status handler. s1. +@item fifo_size=@var{units} +Set the UDP receiving circular buffer size, expressed as a number of +packets with size 188 bytes. > > Signed-off-by: Josef Ahmad <josef. fifo overruns

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