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nettest now uses only 8Kb for packet buffers

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3143 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
2010-11-28 14:13:58 +00:00
parent 2cae8e7d8c
commit 5ff45ea1e0
3 changed files with 17 additions and 2 deletions
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ChangeLog
+6 -1
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@@ -1367,6 +1367,11 @@
* net/send.c -- Check if the destination IP address is in the ARP table. If * 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 not, then don't consider the packet sent. It won't be, an ARP packet will go
out instead. 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
Documentation/NuttX.html
+7 -1
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@@ -8,7 +8,7 @@
<tr align="center" bgcolor="#e4e4e4"> <tr align="center" bgcolor="#e4e4e4">
<td> <td>
<h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1> <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> </td>
</tr> </tr>
</table> </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 * 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 not, then don't consider the packet sent. It won't be, an ARP packet will go
out instead. 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; pascal-2.1 2010-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
configs/olimex-lpc1766stk/nettest/defconfig
+4
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@@ -206,7 +206,11 @@ CONFIG_PHY_KS8721=y
CONFIG_PHY_AUTONEG=y CONFIG_PHY_AUTONEG=y
CONFIG_PHY_SPEED100=n CONFIG_PHY_SPEED100=n
CONFIG_PHY_FDUPLEX=y CONFIG_PHY_FDUPLEX=y
CONFIG_NET_EMACRAM_SIZE=8192
CONFIG_NET_NTXDESC=9
CONFIG_NET_NRXDESC=9
CONFIG_NET_REGDEBUG=n CONFIG_NET_REGDEBUG=n
# #
# General build options # General build options
# #