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nettest now uses only 8Kb for packet buffers 

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@3143 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2010-11-28 14:13:58 +00:00
parent b88d1f7f07
commit cdc60320be
3 changed files with 17 additions and 2 deletions
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7
nuttx/ChangeLog
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@ -1367,6 +1367,11 @@
* net/send.c -- Check if the destination IP address is in the ARP table. If
not, then don't consider the packet sent. It won't be, an ARP packet will go
out instead.
* arch/arm/src/lpc17xx/lpc17_emacram.h and lpc17_allocateheap.c -- The Ethernet
logic was using all of AHB SRAM Bank0 for Ethernet packet buffers (16Kb). An
option was added to limit the amount of SRAM used for packet buffering and to
re-use any extra Bank0 memory for heap. configs/olimex-lpc1766stk/nettest
now uses only 8Kb at the beginning of Bank0; the 8Kb at the end of Bank0 is
included in the heap

8
nuttx/Documentation/NuttX.html
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@ -8,7 +8,7 @@
<tr align="center" bgcolor="#e4e4e4">
<td>
<h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
<p>Last Updated: November 27, 2010</p>
<p>Last Updated: November 28, 2010</p>
</td>
</tr>
</table>
@ -1988,6 +1988,12 @@ nuttx-5.15 2010-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
* net/send.c -- Check if the destination IP address is in the ARP table. If
not, then don't consider the packet sent. It won't be, an ARP packet will go
out instead.
* arch/arm/src/lpc17xx/lpc17_emacram.h and lpc17_allocateheap.c -- The Ethernet
logic was using all of AHB SRAM Bank0 for Ethernet packet buffers (16Kb). An
option was added to limit the amount of SRAM used for packet buffering and to
re-use any extra Bank0 memory for heap. configs/olimex-lpc1766stk/nettest
now uses only 8Kb at the beginning of Bank0; the 8Kb at the end of Bank0 is
included in the heap
pascal-2.1 2010-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;

4
nuttx/configs/olimex-lpc1766stk/nettest/defconfig
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@ -206,7 +206,11 @@ CONFIG_PHY_KS8721=y
CONFIG_PHY_AUTONEG=y
CONFIG_PHY_SPEED100=n
CONFIG_PHY_FDUPLEX=y
CONFIG_NET_EMACRAM_SIZE=8192
CONFIG_NET_NTXDESC=9
CONFIG_NET_NRXDESC=9
CONFIG_NET_REGDEBUG=n
#
# General build options
#