b808084e57
Move wireless IOCTLs from include/nuttx/net/ioctl to include/nuttx/wireless/wireless.h. Add some linux compatible structures to use with the IOCTL commands.
2017-03-13 09:51:31 -06:00
430b52c977
Networking: Add registration support for integrated ieee80211 wireless drivers. Rename CONFIG_IEEE802154 to CONFIG_WIRELESS_IEEE8021514 following the convention of including the location of the configuration variable as a part of its name.
2017-03-12 12:50:41 -06:00
3331e9c49a
STM32 OTGHS host: stm32_in_transfer() fails and returns NAK if a short transfer is received. This causes problems from class drivers like CDC/ACM where short packets are expected. In those protocols, any transfer may be terminated by sending short or NUL packet.
2017-03-07 06:58:59 -06:00
1094f85bda
Merged in iktek01/nuttx (pull request #231 )
...
- fixed a nullptr-dereference on iob_clone
Approved-by: Gregory Nutt
2017-03-01 15:24:53 +00:00
40433bd7f7
- fixed a nullptr-dereference on iob_clone
2017-03-01 12:13:06 +01:00
ba2b345990
Remove a few remaining use of the obsolteted 'Compilation Switches' program section
2017-01-22 08:57:18 -06:00
518d19c0be
Update comments
2017-01-18 07:53:28 -06:00
9f7d332028
Minor changes from the review of the last PR
2017-01-18 07:32:27 -06:00
2e074ca4f9
- Fixed some issues that prevented ipv6 to work with ipv4 enabled.
2017-01-18 10:57:15 +01:00
b52e4e5ecd
Move cancellation point definitions to their own header file.
2016-12-10 09:08:26 -06:00
bc3ca25cc7
Cancellation points: Close up some logic to eliminte some race conditions.
2016-12-10 08:36:58 -06:00
38b9ab09d9
Fix copy-and-paste gone wrong.
2016-12-09 17:28:03 -06:00
64ffd89ee1
Another missing header file inclusion.
2016-12-09 17:25:00 -06:00
16be9b332e
More cancellation points
2016-12-09 15:17:58 -06:00
f45727dffc
Fix some kruft left behind in last big commit.
2016-12-03 16:53:31 -06:00
7467329a98
Eliminate CONFIG_NO_NOINTS. Lots of files changed -> lots of testing needed.
2016-12-03 16:28:19 -06:00
00beb665f5
net/: Remove references to CONFIG_NET_MULTIBUFFER
2016-11-29 16:12:39 -06:00
0804286ad3
arch/: Add option to use low-priority work queue to all Ethernet drivers in arch that support CONFIG_NET_NOINTS.
2016-11-19 09:20:01 -06:00
936b55f608
drivers/net: Add option to use low-priority work queue to all drivers in drivers/net. Not yet added to all architecture-specific network drivers.
2016-11-18 09:22:49 -06:00
b0dffdc2ca
Fix a number of header files with mismatched 'extern C {' and '}'
2016-11-05 07:25:05 -06:00
6ff6cca1a0
Fix some mispellings of semaphore
2016-11-03 17:48:36 -06:00
2d057c28c8
net: Disable priority inheritance on all semaphores used for signaling
2016-11-03 12:17:02 -06:00
1dabbd8489
Costmetic changes
2016-10-24 16:18:30 -06:00
e5cffc40fc
NET_TUN=y => NET_MULTIBUFFER=y
2016-09-20 13:06:47 -06:00
9c3bade7b4
net/tcp: tcp_ipvX_bind() not actually using the ported selected with port==0. Also removes duplicate call to pkt_input(). Issues noted by Pascal Speck.
2016-08-30 07:59:57 -06:00
9a44f3017b
Fix a few typos in the last commit
2016-07-19 13:40:54 -06:00
6e6c04f778
Rename file_poll as fdesc_poll. The file_ namespace is used for other things.
2016-07-15 11:21:11 -06:00
88a03ae3ec
Break out internal interface psock_ioctl()
2016-07-06 07:30:09 -06:00
2a751068e6
Without lowsyslog() *llerr() is not useful. Eliminate and replace with *err().
2016-06-20 12:44:38 -06:00
43eb04bb8f
Without lowsyslog() *llinfo() is not useful. Eliminate and replace with *info().
2016-06-20 11:59:15 -06:00
d40a473f72
Without lowsyslog() *llwarn() is not useful. Eliminate and replace with *warn().
2016-06-20 09:37:08 -06:00
2b445ddccc
Remove lowsyslog(). The new syslog() includes all of the functionality of lowsyslog(). No longer any need for two interfaces.
2016-06-20 08:57:08 -06:00
338b915008
While working with version 7.10 I discovered a problem in TCP stack that could be observed on high network load. Generally speaking, the problem is that RST flag is set in unnecessary case, in which between loss of some TCP packet and its proper retransmission, another packets had been successfully sent. The scenario is as follows: NuttX did not receive ACK for some sent packet, so it has been probably lost somewhere. But before its retransmission starts, NuttX is correctly issuing next TCP packets, with sequence numbers increasing properly. When the retransmission of previously lost packet finally succeeds, tcp_input receives the accumulated ACK value, which acknowledges also the packets sent in the meantime (i.e. between unsuccessful sending of lost packet and its proper retransmission). However, variable unackseq is still set to conn->isn + conn->sent, which is truth only if no further packets transmission occurred in the meantime. Because of incorrect (in such specific case) unackseq value, few lines further condition if (ackseq <= unackseq)is not met, and, as a result, we are going to reset label.
2016-06-20 06:55:29 -06:00
7d0950bb22
net/: Change some nerr() ERRORS to nwarn() WARNINGS. Anomolous network events are not errors.
2016-06-12 07:09:37 -06:00
f4fcdcdb4d
net/: Change some *err() message to *info() messages if what was a *dbg() message does not indicate and error condition.
2016-06-11 17:37:21 -06:00
a1469a3e95
Add CONFIG_DEBUG_ERROR. Change names of *dbg() * *err()
2016-06-11 15:50:49 -06:00
e99301d7c2
Rename *lldbg to *llerr
2016-06-11 14:55:27 -06:00
86b79b33cf
Reserver the name 'err' for other purposes
2016-06-11 14:40:07 -06:00
1cdc746726
Rename CONFIG_DEBUG to CONFIG_DEBUG_FEATURES
2016-06-11 14:14:08 -06:00
fc3540cffe
Replace all occurrences of vdbg with vinfo
2016-06-11 11:59:51 -06:00
c98f00a93b
Update comments; trivial addtion to a document.
2016-06-10 09:36:59 -06:00
a81a467a40
Networking: In both IPv6 and IPv4 incoming logic: (1) Should check if the packet size is large enough before trying to access the packet length in the IP header. (2) In the comparison between the IP length and the full packet length, need to subtract the size of the link layer header before making the comparison or we will get false positives (i.e., the packet is really too small).
2016-06-09 13:16:47 -06:00
4f208600aa
Replace confusing references to uIP with just 'the network'
2016-05-30 09:31:44 -06:00
bd3ef36eda
SUMMARY
...
-------
This patch enhances networking support for the simulation under Linux.
Includes updated support for Linux TUN/TAP, and the addition of support for
Linux bridge devices.
CHANGES
-------
o Check to see if the d_txavail callback is present before calling it in
the arp send code. This prevents a segfault when simulating the telnetd
daemon with arp send enabled.
o Adjust the simulation's netdriver_loop() so it will detect and respond to
ARP requests.
o Do not attempt to take the tap device's hardware address for use by the
simulation. That hardware address belongs to the host end of the link,
not the simulation end. Generate a randomized MAC address instead.
o Do not assign an IP address to the interface on the host side of the TAP
link.
+ Provide two modes: "host route" and "bridge".
+ In host route mode, maintain a host route that points any traffic for the
simulation's IP address to the tap device. In this mode, so long as the
simulation's IP is a free address in the same subnet as the host, no
additional configuration will be required to talk to it from the host.
Note that address changes are handled automatically if they follow the
rule of if-down/set-address/if-up, which everything seems to.
+ In bridge mode, add the tap device to the specified bridge instance. See
configs/sim/NETWORK-LINUX.txt for information and usage examples. This
enables much more flexible configurations (with fewer headaches), such as
running multiple simulations on a single host, all of which can access
the network the host is connected to.
o Refresh configurations in configs/sim where CONFIG_NET=y. They default
to "host route" mode.
o Add configs/sim/NETWORK-LINUX.txt
CAVEATS
-------
- The MAC address generation code is extremely simplistic, and does not
check for potential conflicts on the network. Probably not an issue, but
something to be aware of.
- I was careful to leave it in a state where Cygwin/pcap should still work,
but I don't have a Windows environment to test in. This should be
checked.
- I don't know if this was ever intended to work with OS X. I didn't even
try to test it there.
NOTES
-----
- Was able to get telnetd working and simulate nsh over telnet, but only so
long as listen backlogs were disabled.
There appears to be a bug in the backlog code where sockets are being
returned in SYN_RCVD state instead of waiting until they're ESTABLISHED;
if you perform an immediate send after accepting the connection, it will
confuse the stack and the send will hang; additionally, the connection
will never reach ESTABLISHED state.
Can be worked around by adding a sleep(1) after the accept in telnetd. I
don't have the necessary knowledge of the IP stack to know what the
correct fix is.
2016-05-20 17:36:14 -06:00
e523c93391
Several Makefiles: Add .PHONY definitions to prevent 'clean up to date' message weirdness.
2016-05-10 15:44:06 -06:00
3ca5a94515
VNC: Add basic message receipt logic
2016-04-17 09:17:37 -06:00
39a37d6aa8
Separate out psock_listen() and psock_accept() for internal use by the OS
2016-04-14 08:39:48 -06:00
03a77c1d18
Remove most unused references to CONFIG_NET_MULTICAST. Rename other uses of CONFIG_NET_MULTICAST to avoid naming comflicts.
2016-03-20 13:16:17 -06:00
2dd9777c7e
Fix a backward conditional test introduced with the last commit
2016-03-20 09:58:07 -06:00
00b44959ea
TCP poll: TCP poll events can really only being processed when the poll from the correct device is received.
2016-03-20 08:39:15 -06:00
4639cdd894
TCP timeouts: Fix some logic when there are multiple network interfaces. In this case, TCP timeout events can really only being processed when the poll from the correct device is received.
2016-03-20 08:19:00 -06:00
fdddebbffd
net/: Finish IEEE802154->6LOWPAN renaming; remove PF_IEEE804154; Move 6LoWPAN menu to inside Internet Protocol Menu
2016-02-27 07:26:20 -06:00
309beae2cd
Move drivers/ieee802154 to drivers/wireless/ieee802154; rename include/nuttx/net ieee802154 to 6lowpan.h
2016-02-26 15:03:16 -06:00
2f28ca86c2
Clean up some naming; rename net/ieee802154 to net/6lowpan
2016-02-26 10:08:36 -06:00
2c95fef501
Remove some empty code section comments
2016-02-26 07:35:55 -06:00
8db55f6493
Back out most of previous commit
2016-02-26 06:45:37 -06:00
b0ea870bcc
Remove some empty code section comments
2016-02-25 18:34:36 -06:00
9ff645a298
drivers/ieee802154: Add a skeleton IEEE802154 driver
2016-02-25 15:11:30 -06:00
0b441ff1f4
net/: Add basic IEEE 802.15-4 socket support
2016-02-25 14:01:22 -06:00
e4e6181098
net/: IEEE 802.15-4 basic build build structure.
2016-02-25 10:43:51 -06:00
bcbd8ee964
Networking: Cosmetic change
2016-02-24 19:02:51 -06:00
d19e9cc448
networking: cosmetic changes
2016-02-24 16:10:20 -06:00
0fb035f76b
Standardize some naming in code section comments
2016-02-21 18:09:04 -06:00
aa3e778dc6
nuttx/net: Replace irqsave() with enter_critical_section(); replace irqrestore() with leave_critical_section()
2016-02-14 08:38:44 -06:00
68ee9bcaed
Refresh modules + plus minor clean-up from previous commits
2016-02-08 15:13:14 -06:00
166ad58849
DHCPD no longer calls directly into the OS, but uses network IOCTL commands to modify the ARP table. Plus, fix a warning.
2016-02-08 12:08:18 -06:00
0af9a197ac
ARP: Add IOCTL commands to manage the ARP table
2016-02-08 11:17:22 -06:00
0554de6c50
Networking: Simply devif_timer; Consolidate duplicated devif_poll logic
2016-02-05 07:36:07 -06:00
b5024263e9
Networking: Add a trivial cast
2016-02-03 18:12:19 -06:00
41164740a5
Network: Improve half-second conversion
2016-02-03 13:08:19 -06:00
dea24c503a
Networking: Remove the HSEC argument from devif_timer.
2016-02-03 12:12:41 -06:00
7fb7bef2d2
Fix an error introduced with last IOB fix
2016-01-26 09:55:17 -06:00
365e015010
iob_alloc_qentry() has the same issue that was recently fixed in iob_alloc()
2016-01-25 17:46:59 -06:00
91b762aa86
Networking: Fix an error that I introduced with my last review changes
2016-01-22 17:35:06 -06:00
5c589e5b9c
Net: use nlldbg since an iob can be added from an interrupt
2016-01-22 16:23:31 -06:00
49e5cc5a6f
TCP: check for an active connection before cleaning it up
...
If there is no active connection (e.g. it is waiting in accept), then
the connection object, which doesn't yet exist, should not be cleaned
up when the socket is closed.
2016-01-22 16:22:09 -06:00
5e3023bef1
TCP: return from write when there is no buffer space
...
During a write, if there is no more buffer space for the user data,
return the amount that was written instead of waiting until there
is free space. If nothing has been written yet, then block as before.
This solves a deadlock that occurs if the user data is too large to
fit in the available buffer: the write thread will block before any
data is added to the write queue, leaving no possibility that more
buffers will free up when they are ACKed (since they have not yet been
sent). The write thread will then block forever and hold all of the
buffers.
2016-01-22 16:19:20 -06:00
e221777a7a
TCP: post buffer semaphore before re-acquiring both
...
TCP uses two semaphores for buffers, one for the entire buffer pool,
and one for the number of allowed buffers for readahead. To avoid
double taking a semaphore under heavy load, release the semaphore
after waiting before trying to acquire both again.
2016-01-22 16:15:10 -06:00
4875c6bbe3
TCP: check for connection before deleting it
...
It is possible for a socket to have no connection, for example if a TCP
socket is waiting in accept. This checks for this condition in case the
socket is closed from a different thread.
2016-01-22 15:59:15 -06:00
f1ef2c6cde
TCP: attempt to flush the write buffers before closing
...
When a socket is closed, it should make sure that any pending write
data is sent before the FIN is sent. It already would wait for all
sent data to be acked, however it would discard any pending write
data that had not been sent at least once.
This change adds a check for pending write data in addition to unacked
data. However, to be able to actually send any new data, the send
callback must be left. The callback should be freed later when the socket
is actually destroyed.
2016-01-22 15:58:02 -06:00
cdd187a7f3
TCP: check for sndcb before using it
2016-01-22 15:54:45 -06:00
df211ee46a
TCP: add writable check during poll
...
When a poll requesting POLLOUT happens, the poll should return
immediately if a write will not block. This change adds that, as
opposed to the old behaviour of blocking until a timer from the
Ethernet driver eventually triggers the poll to complete.
This is only implemented for buffered TCP. Unbuffered TCP should
behave as before.
2016-01-22 15:52:14 -06:00
99f5fcda70
iTCP: use lowlevel syslog to avoid infinte recursion
...
If stdout is a socket (e.g. telnet), then the debug message will cause
more TCP data to be sent, which generates another message, and so on
2016-01-22 15:41:48 -06:00
f348e68069
Update to use 64-bit timer when available
2016-01-21 11:54:26 -06:00
8e9f884eb7
Step 1 in /etc/resolv.conf support
2016-01-13 15:06:44 -06:00
f87358faf9
correct some conditional compilation; update some comments
2016-01-12 07:05:50 -06:00
1608b7c33f
Some networking logic was used helpers from apps/netutils. Not good. Quick fix is to duplicate logic
2016-01-09 15:56:08 -06:00
795ddd7e80
OS modules: Add basic procfs support. A module registry that will eventually be used to support lsmod
2015-12-12 17:42:25 -06:00
59b912477e
Fix some warnings: Mismatched prototypes
2015-12-05 10:36:00 -06:00
c16648b3fd
Most cosmetic but also includes a fix for a compile problem from Ken Pettit
2015-12-01 12:54:57 -06:00
6af3ba78b9
Remove CONFIG_NET_PINGADDRCONF. This was a uIP way of assigning IP addresses, but is not standard and not a appropriate feature in general.
2015-12-01 07:48:56 -06:00
eb8668b0f7
net/: Add procfs support for network device status
2015-11-27 16:39:14 -06:00
9d8462aa23
net/: Move net_procfs.c to net/procfs/. Partition logic a little better to make space to support net device procfs as well
2015-11-27 13:53:33 -06:00
e4236941c6
net/net_procfs.c: Add basic support for networking procfs entries
2015-11-27 12:33:58 -06:00
2a93c66948
include/nuttx/net/netdev.h and several Ethernet drivers in arch/: Most network drivers to not support statistics. Those that do only support them when DEBUG is enabled. Each driver collects an architecture specific set of statistics and there is no mechanism in place to view those statistics. Thus, the driver feature was mostly useless. This change standardizes the driver statistics and puts the definition in the common network device structure defined in netdev.h where they can be accessed by network applications. All Ethernet drivers that collect statistics have been adapted to use these common statistics.
2015-11-26 12:08:09 -06:00
6209c51206
net/: More clean-up of spacing/alignment issues
2015-10-08 15:10:04 -06:00
af086c40ff
Remove dangling whitespace
2015-10-04 15:28:54 -06:00
0b12dbf95d
Fix some spacing problems
2015-10-04 15:04:00 -06:00
cb9e27c3b0
Standardize naming used for public data and function groupings
2015-10-02 16:30:35 -06:00
fec3d2cf62
recvfrom: Fixes for compilation with only raw, packet sockets
2015-09-14 09:06:08 -06:00
a7e43c7fdb
Eliminate some warnings
2015-09-08 09:20:18 -06:00
d700793077
Fix a compile error when IPv6 is enabled
2015-09-07 16:34:25 -06:00
f10a103108
Fix tcp_send_unbuffered when NET_ETHERNET is not defined.
2015-09-07 13:31:35 -06:00
9c66bde5b0
Fix typo in pre-processor command noted by Pierre-noel Bouteville. Also move # of pre-processior command to column 1
2015-09-05 09:10:48 -06:00
14297afb83
Cosmetic fix to break up long line
2015-09-03 07:33:50 -06:00
36f4d0e9fc
Fix a error in some comments
2015-09-02 20:03:28 -06:00
0e2986f131
net/tcp: The logic that binds a specific networkd device to a connection was faulty for the case of multiple network devices. On bind(), the local address should be used to associate a device with the connection (if the local address is not INADDR_ANY); On connect(), the remote address should be used (in case the local address is INADDR_ANY). On accept(), it does not matter but the remote address is the one guarenteed to be available.
2015-09-02 19:48:31 -06:00
9fcad39a45
Trivial typo fix
2015-09-02 10:09:33 -06:00
3b89eabd50
Correct #if to #ifdef when the macro can be undefined. Fix bug in AT24XX driver: it should compare AT24XX_ADDRSIZE to 2.
2015-09-01 13:52:29 -04:00
63071a563a
Costmetic changes
2015-08-27 10:38:43 -06:00
b1e09d4847
net/socket and net/tcp: Fix a problem in whent there are multiple network devices. Polls were being sent to all TCP sockets before. This is not good because it means that packets may sometimes be sent out on the wrong device. That is inefficient because it will cause retransmissions and bad performance. But, worse, when one of the devices is not Ethernet, it will have a different MSS and, as a result, incorrect data transfers can cause crashes. The fix is to lock into a single device once the MSS is locked locked down.
2015-08-27 09:06:46 -06:00
3bcdb218ff
Networking: Get rid of the tcp_mss macro. It is confusing and only obfuscates what is really going on
2015-08-27 08:39:17 -06:00
007aabc46f
Fix a badly formatted comment
2015-08-26 19:18:04 -06:00
a268e0aeb9
Fix a typo from an earlier commit
2015-08-26 18:12:58 -06:00
e6dbd3d903
Networking: Fix network device name assignment logic for the case of the local loopback device. There is only one local loopback network device and it is unnumbered
2015-08-25 20:03:25 -06:00
b125c36849
Field `d_sndlen' is unsigned. It is always >= 0.
...
Signed-off-by: Anton D. Kachalov <mouse@yandex-team.ru>
2015-08-26 00:16:52 +03:00
e983e547e1
Networking: Correct return value from psock_tcp_accept(). From SaeHie Park
2015-08-25 07:15:21 -06:00
79aa3d40b0
Kconfig: CONFIG_NET_MULTILINK and CONFIG_NET_MULTINIC must be support if the loopback device and any real network device are selected
2015-08-25 06:51:15 -06:00
3c5f817513
Networking: Local loopback is basically functional and is no longer EXPERIMENTAL
2015-08-24 13:58:57 -06:00
933d74e5c1
Networking: With these changes, I can ping the local loopback device from the simulator
2015-08-24 13:49:12 -06:00
0b012c7978
Fix some initial loop back device compilation errors; mark configuration as EXPERIMENTAL
2015-08-24 11:29:54 -06:00
07bdff9ef7
Networking: Add NetDB support for the local loopback device
2015-08-24 10:08:26 -06:00
e21501c699
Merge remote-tracking branch 'origin/master' into localhost
2015-08-24 08:29:36 -06:00
569ff602ea
Networking: Remove bogus references to PPP as a link layer protocol
2015-08-24 08:29:07 -06:00
ea2fafb024
Add definitions to support a local loopback link layer
2015-08-24 08:25:08 -06:00
89b5ef8d35
wdogs: Fix counting of free, pre-allocated wdog timers. The could could get decremented below zero in some situations
2015-08-21 11:30:22 -06:00
12b1c04508
recvfrom(): Correct wait for new data when NET_UDP_READAHEAD is enabled. Fix size accounting when recvfrom_udpreadahead() sets state.rf_recvlen == -1. I have not checked if data are accumulated to the right position in the buffer however.
...
Signed-off-by: Pavel Pisa <ppisa@pikron.com>
2015-08-21 09:15:06 -06:00
4c4868c69f
More cosmetic changes: Fix some errors in comments and some indentation problems
2015-08-11 19:23:51 -06:00
850225223d
Costmetic fix to a comment
2015-08-11 19:21:15 -06:00
530d229361
net/udp: Add support for send() with connected UDP sockets
2015-08-11 19:17:55 -06:00
7d04104485
Networking: Allow receipt of empty UDP packets. From Max Neklyudov
2015-08-11 08:34:16 -06:00
f94fe747ae
Undo part of a previous change. Move get/sethostname back from net/netdb to libc/unistd
2015-07-08 11:11:52 -06:00
fca919f3d2
Networking: Fix some compilation issues noted with network is build with CONFIG_BUILD_KERNEL
2015-07-05 11:18:56 -06:00
6380832ab7
Move the header of set/sethostname from libc/unisted to net/netdb. This is OS internal stuff
2015-07-05 10:43:37 -06:00
701509f9bd
Add implementations of uname() and gethost(). From Stavros Polymenis.
2015-07-03 07:50:27 -06:00
09c7373f24
Fix misc. compilation error/warning detected by tools/testbuild.sh
2015-07-01 14:33:37 -06:00
342f5fe33d
Fix references to the no-longer-existent misc/ directory in comments, README files, and documentation
2015-06-28 08:08:57 -06:00
0ad53183e1
Networking: Fix a compile problem introduced in NuttX-7.6 when CONFIG_NET_SENDFILE=y
2015-06-24 14:52:57 -06:00
ed9c45bcef
Networking: Fix compilation error if IPv6 is enabled
2015-06-17 15:00:04 -06:00
8f7752d956
Networking: Modify how callback structures are stored to avoid another potential use of a stal pointer.
2015-06-03 08:11:57 -06:00
edbb5d0840
networking: Correct a typo introduced with recent networking changes
2015-06-02 15:04:02 -06:00
e22deff1ab
TCP connect. Move the location where the socket is marked as connected in order to avoid a potential race condition
2015-05-31 12:24:24 -06:00
b493dde4cf
TCP networking: In the TCP connection operation, it was trying to setup the network monitor BEFORE the socket was successfully connected. This, of course, has ALWAYS failed because the socket is not yet connected and the TCP state is not yet correct for a connected socket. However, because of other changes net_startmonitor(0 no returns a failure condition that causes worse problems when trying to connect. The fix is to move the logic that starts the network monitor to AFTER the socket has been successfully connected.
2015-05-31 11:35:28 -06:00
a47a0d237c
Costmetic changes to networking logic
2015-05-31 10:29:53 -06:00
33085cb309
Networking: The network device list was protected by a re-entrant semaphore. With the recent change to support network device callback, the network stack needs to access the network device list too. Some drivers, however, run the network stack from the interrupt level -- this is bad but a fact in the current state. Of course,those drivers are unable to take the semaphore and will assert.
...
The solution here is to eliminate the device devices semaphore altogether. This eliminates netdev_semtake() and netdev_semgive() and replaces them with net_lock() and net_unlock() which have larger scope as needed for this purpose.
2015-05-31 08:34:03 -06:00
6687e156e6
Revamp last change. IFF_UP only required when allocating callback, not freeing.
2015-05-30 21:13:58 -06:00
28b46c7bfa
To be valid, a network device must not only exist, but be in the UP state
2015-05-30 12:54:18 -06:00
cc340aaa92
TCP networking: Since the network monitor now allocates a callback structure, it is critical to make sure that the networking monitor is stopped when the socket is closed or any other loss of connection. What was innocuous before would now be a memory leak
2015-05-30 11:49:55 -06:00
8b029fbbee
TCP networking: Hook the network monitor into the device event notification logic
2015-05-30 11:29:47 -06:00
933b95ac80
Forgot to add a file in the last commit
2015-05-30 09:17:46 -06:00
Gregory Nutt