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[lwip-users] Long chain of netbufs/pbufs

From: Adrian Figueroa
Subject: [lwip-users] Long chain of netbufs/pbufs
Date: Wed, 11 Apr 2018 12:11:05 +0000



I want to receive a large amount of data and store it in a long chain of netbufs/pbufs without copying. This works fine with netbuf_chain() after receiving a new netbuf, but I noticed that the total length of a chain is limited to the size of u16_t (64k).


How do you normally cope with long netbuf chains? A redefinition to 32 bit lengths would make sense for me, but I do not want to change the Lwip source. Also, making a wrapper buffer structure with larger counting variables seems redundant.


Kind regards,



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