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Update TODO list and comments

This commit is contained in:
Gregory Nutt 2014-04-23 13:02:00 -06:00
parent 9d19c8b57f
commit 3ee12ef1f2
3 changed files with 34 additions and 44 deletions
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50
nuttx/TODO
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@ -1,4 +1,4 @@
NuttX TODO List (Last updated January 10, 2014)
NuttX TODO List (Last updated April 23, 2014)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
This file summarizes known NuttX bugs, limitations, inconsistencies with
@ -15,7 +15,7 @@ nuttx/
(11) Kernel Build
(4) C++ Support
(6) Binary loaders (binfmt/)
(17) Network (net/, drivers/net)
(16) Network (net/, drivers/net)
(4) USB (drivers/usbdev, drivers/usbhost)
(10) Libraries (libc/, )
(12) File system/Generic drivers (fs/, drivers/)
@ -48,8 +48,8 @@ nuttx/
apps/
(5) Network Utilities (apps/netutils/)
(4) NuttShell (NSH) (apps/nshlib)
(4) Network Utilities (apps/netutils/)
(3) NuttShell (NSH) (apps/nshlib)
(1) System libraries apps/system (apps/system)
(5) Other Applications & Tests (apps/examples/)
@ -900,17 +900,6 @@ o Network (net/, drivers/net)
Status: Open
Priority: Low unless you need it.
Title: UNTESTED IGMPv2
Description: Support for client-side IGMPv2 multicast has been added but not yet
tested (because I don't have a proper environment for multicast testing).
There are most likely errors that need to be fixed at least in the
receipt of multicast packets.
In addition, an Ethernet driver that needs to work with the IGMP logic
will have to include additional support for multicast MAC address tables.
Status: Open
Priority: Low unless you need it.
Title: INTERFACES TO LEAVE/JOIN IGMP MULTICAST GROUP
Description: The interfaces used to leave/join IGMP multicast groups is non-standard.
RFC3678 (IGMPv3) suggests ioctl() commands to do this (SIOCSIPMSFILTER) but
@ -927,18 +916,14 @@ o Network (net/, drivers/net)
the mechanism for leaving and joining groups is hidden behind a wrapper
function so that little of this incompatibilities need be exposed.
Title: CONFIGURATIONS WITH TINY MTUS
Description: Many configurations have the MTU (CONFIG_NET_BUFSIZE) set to very small
numbers, less then the minimum MTU size that must be supported -- 576.
This can cause problems in some networks: CONFIG_NET_BUFSIZE should
be set to at least 576 in all defconfig files.
The symptoms of using very small MTU sizes can be very strange. With
Ubuntu 9.x and vsFtpd was that the total packet size did *not match* the
packet size in the IP header. This then caused a TCP checksum failure
and the packet was rejected.
Title: CLOSED CONNECTIONS IN THE BACKLOG
If a connection is backlogged but accept() is not called quickly, then
that connection may time out. How should this be handled? Should the
connection be removed from the backlog if it is times out or is closed?
Or should it remain in the backlog with a status indication so that accept()
can fail when it encounteres the invalid connection?
Status: Open
Priority: Low... fix defconfig files as necessary.
Priority: Medium. Important on slow applications that will not accept connections promptly.
o USB (drivers/usbdev, drivers/usbhost)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -2309,14 +2294,6 @@ o mc68hc1x (arch/hc)
o Network Utilities (apps/netutils/)
Title: UIP RESOLVER
Description: One critical part of netutils/ apps is untested: The uIP
resolver in netutils/resolv. The webclient code has been
tested on host using gethosbyname(), but still depends on the
untested resolve logic.
Status: Open
Priority: Medium, Important but not core NuttX functionality
Title: PPP PORT
Description: Port PPP support from http://contiki.cvs.sourceforge.net/contiki/contiki-2.x/backyard/core/net/ppp/
Status: Open
@ -2364,11 +2341,6 @@ o NuttShell (NSH) (apps/nshlib)
Status: Open
Priority: Low (multiple network interfaces not fully supported yet anyway).
Title: RUN NXFLAT PROGRAMS
Description: Add support to NSH to run NXFLAT programs from a ROMFS file system
Status: Open
Priority: Low (enhancement)
Title: ARP COMMAND
Description: Add an ARP command so that we can see the contents of the ARP table.
Status: Open

17
nuttx/drivers/mtd/mtd_partition.c
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@ -1,7 +1,7 @@
/****************************************************************************
* drivers/mtd/mtd_partition.c
*
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Copyright (C) 2013-2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -757,7 +757,7 @@ static int part_procfs_stat(const char *relpath, struct stat *buf)
* Description:
* Give an instance of an MTD driver, create a flash partition, ie.,
* another MTD driver instance that only operates with a sub-region of
* FLASH media. That sub-region is defined by a sector offsetset and a
* FLASH media. That sub-region is defined by a sector offset and a
* sector count (where the size of a sector is provided the by parent MTD
* driver).
*
@ -767,6 +767,15 @@ static int part_procfs_stat(const char *relpath, struct stat *buf)
* partitions, that mutual exclusion would be provided by the file system
* above the FLASH driver.
*
* Input parameters:
* mtd - The MTD device to be partitioned
* firstblock - The offset in bytes to the first block
* nblocks - The number of blocks in the partition
*
* Returned Value:
* On success, another MTD device representing the partition is returned.
* A NULL value is returned on a failure.
*
****************************************************************************/
FAR struct mtd_dev_s *mtd_partition(FAR struct mtd_dev_s *mtd, off_t firstblock,
@ -800,7 +809,7 @@ FAR struct mtd_dev_s *mtd_partition(FAR struct mtd_dev_s *mtd, off_t firstblock,
/* Adjust the offset and size if necessary so that they are multiples of
* the erase block size (making sure that we do not go outside of the
* requested sub-region). NOTE that eraseend is the first erase block
* requested sub-region). NOTE that 'eraseend' is the first erase block
* beyond the sub-region.
*/
@ -855,7 +864,7 @@ FAR struct mtd_dev_s *mtd_partition(FAR struct mtd_dev_s *mtd, off_t firstblock,
#endif
#if defined(CONFIG_FS_PROCFS) && !defined(CONFIG_PROCFS_EXCLUDE_PARTITIONS)
/* Add this parition to the list of known partitions */
/* Add this partition to the list of known partitions */
if (g_pfirstpartition == NULL)
{

11
nuttx/include/nuttx/mtd/mtd.h
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@ -188,7 +188,7 @@ extern "C"
* Description:
* Given an instance of an MTD driver, create a flash partition, ie.,
* another MTD driver instance that only operates with a sub-region of
* FLASH media. That sub-region is defined by a sector offsetset and a
* FLASH media. That sub-region is defined by a sector offset and a
* sector count (where the size of a sector is provided the by parent MTD
* driver).
*
@ -198,6 +198,15 @@ extern "C"
* partitions, that mutual exclusion would be provided by the file system
* above the FLASH driver.
*
* Input parameters:
* mtd - The MTD device to be partitioned
* firstblock - The offset in bytes to the first block
* nblocks - The number of blocks in the partition
*
* Returned Value:
* On success, another MTD device representing the partition is returned.
* A NULL value is returned on a failure.
*
****************************************************************************/
FAR struct mtd_dev_s *mtd_partition(FAR struct mtd_dev_s *mtd,