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44d88abb83
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924 Commits

Author SHA1 Message Date
Gregory Nutt
44d88abb83 This commit adds support for routing tables in files in a file system. This might be useful for customized, per-unit routing tables. 
There are two issues with it however:

1. Reading from file system on a per packet basis could be slow.  I think it probably should have a small, in-memory cache of most frequently used routes for good problem.

2. Currently the delroute logic is disabled due to a problem with the design.  NuttX does not currently support truncate().  Therefore, it is not possible to delete entries from the routing table file.

In this current implementation, that leaves the last entry intact at the end of the file.  An alternative design might include a tag on each record to indicate if the record is valid or not.  That would work but would add complexity to the other routing table functions.

The existing implementation is available for testing purposes only if CONFIG_EXPERIMENTAL=y.

Squashed commit of the following:

    net/route:  The current delroute design depends on file truncation.  However, NuttX does not currently support truncate.  Alternative, more complex designs are possible but not implemented.  At present the file routing table are otherwise functional but the delroute logic is disabled via CONFIG_EXPERIMENTAL.  Enable it only if you plan to fix it.

    net/route:  Fix some issues with locking routing table files.

    net/route:  Add partial implementation of delroute for the case where the routing table is in a file.

    net/route:  Add support for seeking to positions in the routing table.

    net/route: Add net_addroute_ipv4/6() using a file-based routing table.

    net/route: Add net_foreach_ipv4/4() using a file-based routing table.

    net/route:  Initial build, configuration, and fs utilies to support routing tables in a file.
 2017-09-29 08:33:36 -06:00
Gregory Nutt
7b7ca87941 fs/vfs: file_write() and file_pwrite() are internal OS interfaces and should not report errors via the errno 2017-09-28 14:49:05 -06:00
Gregory Nutt
e761b80ea7 fs/vfs: file_read() is an internal OS interface and should not errors via the errno 2017-09-28 14:14:32 -06:00
Gregory Nutt
9043b9cb6a fs/vfs: file_seek() is an internal OS interface and should not errors via the errno 2017-09-28 13:55:36 -06:00
DL
9145fe0c10 Fixed directory unlocking in tmpfs_opendir 2017-09-27 06:55:37 +03:00
Gregory Nutt
12c4c4c8a6 In some cases, packets are still not sent behind the router. I found that NuttX sends the ARP requests not to the router but to the target. Mistake in file net/route/netdev_router.c. From Aleksandr Kazantsev 2017-09-20 13:19:05 -06:00
Gregory Nutt
e7ce9c4a79 sem_open() should return SEM_FAILED on any failures. This is change change in the POSIX specification since the original sem_open() was written so many years ago. 2017-09-08 10:14:51 -06:00
Nickolay Semyonov (RPI)
620e2f4ce3 FS_AUTOMOUNTER should depend on SCHED_LPWORK 2017-08-26 11:54:03 -06:00
Gregory Nutt
d209e0e238 Add file missed in last commit. Fix naming in some configuration items. 2017-08-12 07:26:20 -06:00
Gregory Nutt
ee9e4fa8be procfs: Corret the type of a couple of procfs file entries. 2017-08-11 16:06:53 -06:00
Gregory Nutt
65698da12d procfs: Add support for routing tables. 2017-08-11 15:33:58 -06:00
Gregory Nutt
aeb59383cf Remove CONFIG_NET_MULTILINK. This increases code size by a little, but greatly reduces the complexity of the network code. 2017-08-08 15:26:09 -06:00
Jussi Kivilinna
027a446158 poll: fix poll for regular files and block devices. Open Group documentation tells that poll (and select) support regular files and that 'Regular files shall always poll TRUE for reading and writing'. 2017-08-03 09:58:20 -06:00
Simon Piriou
643f5782aa epoll: fix epoll_wait function 2017-07-22 09:01:24 -06:00
Masayuki Ishikawa
5efd942396 FS: Remove DEBUGASSERT() in block_proxy() because the flags are cleared later. 2017-07-04 10:56:54 +09:00
Gregory Nutt
1ed9793751 fs/: Remove dangling space at the end of lines. 2017-06-28 13:17:55 -06:00
Julien Lecoeur
f26e83d0a1 Fix -Werror=implicit-fallthrough on gcc7 2017-06-28 17:48:04 +02:00
Jussi Kivilinna
4eaa136850 smart: fix wrong freeing of device structure and use-after-free issues on error paths 2017-06-28 07:20:07 -06:00
Jim Paris
db80696d21 vfs/poll: fix timeout calculation 2017-06-09 11:37:30 -06:00
Harri Luhtala
b8b9309d2b vfs: fdopen: add missing file stream flags clearing. Clear file stream structure regardless of config options. Structure clearing is needed as previous use of stream list entry might leave fs_flags set. 2017-05-31 06:20:18 -06:00
Masayuki Ishikawa
99bdab3ac3 FAT: Fix 'Missing unlock' in fs_fat32.c 
Jira: PDFW15IS-265
Coverity-ID: 10590 10589
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
 2017-05-22 14:44:24 +09:00
Gregory Nutt
41680d376d Replace 'the the' with 'the' 2017-05-11 13:15:13 -06:00
Gregory Nutt
e3d865f6c2 In last changed to poll(),cConverted timeout to unsigned to eliminate the possibility of overflow of signed overflow. 2017-04-28 11:02:54 -06:00
Jussi Kivilinna
37ca797d1c vfs/poll: round timeout up to next full tick. Calling poll() with timeout less than half tick (thus MSEC2TICK(timeout) => 0) caused returning error with EAGAIN. Instead of rounding timeout down, value should be rounded up. Open Group spec for poll says: "Implementations may place limitations on the granularity of timeout intervals. If the requested timeout interval requires a finer granularity than the implementation supports, the actual timeout interval will be rounded up to the next supported value." 2017-04-28 08:42:37 -06:00
Masatoshi Tateishi
ae8d5821e0 procfs: Fix incorrect uptime with CONFIG_SYSTEM_TIME64 
Jira: PDFW15IS-45
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
 2017-04-25 10:58:38 +09:00
Gregory Nutt
d5207efb5a Be consistent... Use Name: consistent in function headers vs Function: 2017-04-21 16:33:14 -06:00
Gregory Nutt
7457875447 VFS poll(): Add some error handling logic 2017-04-20 19:15:17 -06:00
Nobutaka.Toyoshima
e971083449 procfs: Fix wrong member IDs are displayed when 'cat /proc/<pid>/group/stasus'. 
Jira: PDFW15IS-259
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
 2017-04-20 16:12:20 +09:00
Gregory Nutt
2bcb8b7b07 If whence is SEEK_END, the file offset shall be set to the size of the file plus offset. Noted by eunb.song@samsung.com 2017-03-13 07:31:47 -06:00
Gregory Nutt
d3408809e4 sendfile(): Fix error introduced with commit ff73be870e. Noted by Maciej Wójcik 2017-03-05 11:50:34 -06:00
Gregory Nutt
ee8abb8160 FS: Don't build block driver proxy if PSEUDOFS_OPERATIONS are disabled. 2017-03-04 08:25:20 -06:00
Gregory Nutt
0a192361de Revert "FS: Fix backward conditional logic that prevent unlink() from building in some configurations." 
Oops.  It was not backward.  Enable == !Disable.  Negative logic is confusing.

This reverts commit 1fcf353e89.
 2017-03-04 08:16:46 -06:00
Gregory Nutt
1fcf353e89 FS: Fix backward conditional logic that prevent unlink() from building in some configurations. 2017-03-04 07:48:56 -06:00
Masayuki Ishikawa
e239961be8 Fix open() a block device with CONFIG_DISABLE_PSEUDOFS_OPERATIONS=y 2017-03-01 13:43:12 +09:00
Gregory Nutt
4fa389898a Fix a warning when STDIO buffering is disabled 2017-02-27 11:06:13 -06:00
Gregory Nutt
a78593d66d fstatfs: Rethink last commit. Add verification that the file descriptor refers to an open file. This also should eliminate the warning while doing something useful. 2017-02-22 14:17:14 -06:00
Gregory Nutt
8c7ec7419a Eliminate a warning 2017-02-22 14:04:06 -06:00
Gregory Nutt
656935ed7e C library: Add fstatfs(); fix a reference counting error in fstat(). 2017-02-17 08:35:59 -06:00
Gregory Nutt
b4d378adb8 Don't build libc/pthread if pthreasa are disable. Fix a warning in dirent logic if mountpoints are disabled. 2017-02-16 09:53:13 -06:00
Gregory Nutt
be7a904d1b procfs skeleton: Some additional, purely cosmetic updates. 2017-02-15 12:47:51 -06:00
Gregory Nutt
504f677c20 procfs skeleton file should include an example write method. 2017-02-15 12:40:30 -06:00
Gregory Nutt
c67943ed1d procfs: Most stat() implementations were not initializating the st_atime, st_ctime, and st_mtime fields. 2017-02-15 09:59:09 -06:00
Gregory Nutt
bae367c7c4 fstat(): Rethink procfs fstat(). If write method is supported, then should report file s writeable. 2017-02-15 09:32:42 -06:00
Gregory Nutt
ef8d207118 smartfs: Add support for fstat(). 2017-02-14 10:30:11 -06:00
Gregory Nutt
c5df283822 procfs: Add support for fstat(). 2017-02-14 10:00:15 -06:00
Gregory Nutt
b4695c5ee9 hostfs: Add support for fstat(). 2017-02-14 09:54:08 -06:00
Gregory Nutt
e8d6676e18 procfs: When addition of memset from previous commit, it is no longer necessary to set individual fields to zero. 2017-02-14 09:03:48 -06:00
Gregory Nutt
74d30a0dbc procfs: stat() left several fields in uninitialized state. 2017-02-14 09:00:48 -06:00
Gregory Nutt
191fb658d0 nfs: Simplify parameters saved for fstat() 2017-02-14 08:16:03 -06:00
Gregory Nutt
2325ea4a45 statfs() should not fail on path '/' 2017-02-14 06:30:35 -06:00