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[lwip-devel] [bug #18782] the default PBUF_POOL_BUFSIZE value should be
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From: |
dupengbo |
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Subject: |
[lwip-devel] [bug #18782] the default PBUF_POOL_BUFSIZE value should be changed |
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Date: |
Fri, 23 Mar 2007 07:58:24 +0000 |
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User-agent: |
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) |
Follow-up Comment #7, bug #18782 (project lwip):
It is better if PBUF_LINK_HLEN is accounted.
User can change PBUF_LINK_HLEN value according to user's usage.
If user do not need ethernet head, he can define PBUF_LINK_HLEN = 0, ....
If replace all these const value with macro define, it maybe better.
For example:
In "opt.h"
#define TCP_MSS 128
#define TRANSPORT_HLEN 20
#define IP_HLEN 20
#define LINK_HLEN 0 // or something else
#define PBUF_POOL_BUFSIZE (TCP_MSS + TRANSPORT_HLEN + IP_HLEN
+ LINK_HLEN)
in "pbuf.h"
#define PBUF_TRANSPORT_HLEN TRANSPORT_HLEN
#define PBUF_IP_HLEN IP_HLEN
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