LWIP MAC DRIVER

I have looked into the code and unfortunately, the MAC is set via a define macro and I do not see how I can change it during run-time of the code when I read the unique number. Once you had obtained a new MAC address you had to influence this changes on the below mentioned 3 functions which writes to the MAC address register. Infineon distances itself expressly from the contents of the linked pages, over the structure of which Infineon has no control. Hi, Just a small addition. Infineon reserves the right to make corrections, deletions, modifications, enhancements, improvements and other changes to the content and materials, its products, programs and services at any time or to move or discontinue any content, products, programs, or services without notice. Hi, No reason you could not.

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Infineon distances itself expressly from the contents of the linked pages, over the structure of which Infineon has no control.

Changing MAC address of network interface?

The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon. Infineon accepts no liability for the content and materials on this site being accurate, complete or up- to-date or for the contents of external links.

Hi, as long as you are not using an application protocol that embeds layer-2 info in application data, you shouldn’t have any issues with buffered data in lwIP, since it does not hold layer-2 info; it is added by the driver. This is done only once during software loading etc If it can be done, I would prefer to give the user such possibility.

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How to set a MAC address | NXP Community

On czw, at And yes, this not something you are expected to do on a normal operation, so resetting is the best choice. No license, whether express or implied, is granted by Infineon. Changing MAC address of network interface? Search everywhere only in this topic. But as soon as I do some changes with Dave CE and need to re-generate the source code, the changes are lost. Maybe I have to bring the netif completely down, remove it, change the configuration MAC address onlyadd it again and bring it up?

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Hi, Just a small addition. If I am missing something, please let me know.

I have looked into the code and unfortunately, the MAC is set via a define macro and I do not see how I can change it during run-time of the code when I read the unique number. I just want to know whether or not this can be easily done and whether this will work reliably. Thursday, April 07, As I wrote before in all our devices we give the user normally only technicians in our production the ability to change MAC address. Infineon reserves the right to make corrections, deletions, modifications, enhancements, improvements and other changes to the content and materials, its products, programs and services at any time or to move or discontinue any content, products, programs, or services without notice.

IPv6 might also need some restart of the node discovery process as neighbours would have old and wrong information. Free forum by Nabble.

How to set a MAC address

As per established data flows, other hosts will send to the old MAC until their respective ARP cache entries expire, and that depends on their respective timeouts.

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So, how can I change the MAC address from within the main routine or some function call by the main routine without changing the files generated by Dave? Bookmarks Bookmarks Digg del.

Use of the information on this site may require a license from a third party, or a license from Infineon. I successfully managed to modify the files generated by Dave: Thursday, April 07, 5: What I am saying that you can mqc MAC address on the fly but I think it’s better to do it before you connect the cable and start data transfer.

If you do not have any network activity, change MAC and start networking you should not have any problems. I’ve seen upto 4 minutes as normal. In reply to this post by Freddie Chopin Hi, as long as you are not using an application protocol that embeds layer-2 info in application data, you shouldn’t have any issues with lwlp data in lwIP, since it does not hold layer-2 info; it is added by the driver.

Content max this site may contain or be subject to specific guidelines or limitations on use. Once you had obtained a new MAC address you had to influence this changes on the below mentioned 3 functions which writes to the MAC address register.

Hi, No reason you could not.