patchlwIP - A Lightweight TCP/IP stack - Patches: patch #8745, Set filter for all nodes link...

 
 

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patch #8745: Set filter for all nodes link local multicast

Submitter:  Wilson So <wilsonso>
Submitted:  Thu 17 Sep 2015 09:49:31 PM UTC
   
 
Category:  IPv6 Priority:  5 - Normal
Status:  Wont Do Privacy:  Public
Assigned to:  goldsimon Open/Closed:  Closed
Planned Release:  None

Fri 18 Sep 2015 07:16:44 PM UTC, comment #1: 

This is most certainly not a good idea. If you need to reset the interface, keep a list of activated filters in the netif.

Simon Goldschmidt <goldsimon>
Group administrator
Thu 17 Sep 2015 09:49:31 PM UTC, original submission:  


In order to receive IPv6 link-local multicast packets on certain Wi-Fi interfaces, we need to explicitly set the filter for it.

One could set it when the interface is added to lwIP, but it turns out that sometimes the Wi-Fi chip would need to be reset after the interface has been added.  In such case, the filters would need to be populated again. 

As a result, we propose this patch, which would add the link-local address to the filter whenever we confirm the assignment of an IPv6 address to the interface.


Wilson So <wilsonso>

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attached Files

 

Depends on the following items: None found

Items that depend on this one: None found

 

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    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2015-09-18 goldsimon StatusNone Wont Do
        Assigned toNone goldsimon
        Open/ClosedOpen Closed
    2015-09-17 wilsonso Attached File- Added 0001-set-filter-for-allnodes-link-local-multicast.patch, #34914

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