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35 Commits

Author SHA1 Message Date
Gregory Nutt
8c4cefdd10 Fix some new warndings found in build testing. 2018-09-15 13:22:45 -06:00
Gregory Nutt
9d3148406c Signals were not a good choice of IPC to implement the poll function for several reasons: In order to handle the asynchrnous poll-related event, a substantial amount of state information is needed. Signals are only capable of passing minimal amounts of data. There are also complexities with performing kernel space signal handlers in kernel space code that is better to avoid. So, instead of signals, the equivalent logic was converted to run via a callback that executes on the high-priority work queue. 
Squashed commit of the following:

    Fix up some final compile isses.

    net/netdev:  Convert the network down notification logic to use the new wqueue-based notification factility.

    net/udp:  Convert the UDP readahead notification logic to use the new wqueue-based notification factility.

    net/tcp:  Convert the TCP readahead notification logic to use the new wqueue-based notification factility.

    mm/iob:  Convert the IOB notification logic to use the new wqueue-based notification factility.

    sched/wqueue:  Signals are not good IPCs to support the target poll functionality for several reasons including the amount of data that can be passed with a signal and in the fact that in protected and kernel modes, user threads executing signal handlers in protected, kernel memory is problematic.  Instead, convert the same logic to perform the notifications via function callback on the high priority work queue.
 2018-09-09 15:01:44 -06:00
Gregory Nutt
32e3e51678 net/netdev: Add signal notification for the case where the network goes down. 2018-09-09 10:39:25 -06:00
Gregory Nutt
c439b93627 net/procfs and netdev: Fix some problems with ifconfig introduced with last changes. Also picks up one of Sebastien's changes that did not make it it before. net/udp: Fixes a DEBUGASSERT. 2018-06-25 17:06:11 -06:00
Gregory Nutt
5a0cf3c9a8 net/netdev: Add an algorithm to prevent an interface index from being reused until all network interfaces have by assigned once. The prevents removable devices from being removed, unregistered and re-installed, re-registered and keeping the same interface index. 2018-06-25 12:57:42 -06:00
Gregory Nutt
7c1394d814 Squashed commit of the following: 
net/netdev:  Add implementation of if_nametoindex() and if indextoname().
    net/pkt:  Raw AF_PACKET sockets now depend on CONFIG_NETDEV_IFINDEX.
    net/procfs:  Tweak to handle traversal of interfaces if CONFIG_NETDEV_IFINDEX is not defined.
    net/netdev.h:  Update netdev_findbyaddr() to use the assigned device index.
    Trivial typo fix
    net/netdev:  Add support for assigned an interface index to a device when it is regisgtered.
 2018-06-25 12:08:10 -06:00
Gregory Nutt
b54ffe858a Standardization of some function headers. 2018-03-13 09:52:27 -06:00
Gregory Nutt
7af976c00a Squashed commit of the following: 
Networking:  Add implementation of logic for SIOCGIFCONF and SIOCGLIFCOF IOCTL commnds.
    Networking:  Add definitions and stuctures to support SIOCGIFCONF and SIOCGLIFCONF IOCTL commands.
 2017-09-19 14:17:05 -06:00
Gregory Nutt
969d7c5814 Networking: Remove driver based backlog support. This affects the entire network, but is used by only one driver. The only supported with of supported RX backlog is via common read-ahead buffering. 2017-08-21 06:28:59 -06:00
Gregory Nutt
efbb47999f Networking: Fix netdev_dev_lladdrsize. In some configurations, it could return the wrong size for the address of a packet radio. 2017-08-08 16:27:23 -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
Gregory Nutt
bd7c84b23e Remove CONFIG_NETDEV_MULTINIC. This increases code size by a little, but greatly reduces the complexity of the network code. 2017-08-08 14:24:12 -06:00
Gregory Nutt
b4a0ac53a8 Networking: Improve naming and simplify some logic of previous commit. 2017-07-07 06:51:52 -06:00
Gregory Nutt
70c6b52132 ICMPv6: Fix an address size calculation that was bungled in a recent commit. 2017-07-06 19:37:01 -06:00
Gregory Nutt
d280f8854e include/nuttx/net and net/: Move private prototype of netdev_foreach() from the public include/nuttx/net/net.h to the private net/netdev/ndetdev.h header file where it belongs. 2017-07-01 08:39:39 -06:00
Gregory Nutt
d5207efb5a Be consistent... Use Name: consistent in function headers vs Function: 2017-04-21 16:33:14 -06:00
Gregory Nutt
2c95fef501 Remove some empty code section comments 2016-02-26 07:35:55 -06:00
Gregory Nutt
eb8668b0f7 net/: Add procfs support for network device status 2015-11-27 16:39:14 -06:00
Gregory Nutt
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
Gregory Nutt
04a661a97c TCP networking: Add support for network driver events 2015-05-30 09:12:27 -06:00
Gregory Nutt
f10fdf7ad4 Networking: Add a test to see a device pointer is still valid 2015-05-29 11:01:03 -06:00
Gregory Nutt
390eeaae69 Add function headers to netdev.h header file 2015-05-27 14:34:15 -06:00
Gregory Nutt
b94321cfb4 Extend device specific callbacks to ICMPv6 and ARP. Fix some IPv6 compilation errors that have crept in 2015-05-27 11:39:44 -06:00
Gregory Nutt
8ecb84ed89 Improve icmp handling if MULTINIC enabled. From Max Neklyudov 2015-05-27 09:26:00 -06:00
Gregory Nutt
b756df982d net/: Lots of build problems introduced into multiple NIC support. Many places where conditional logic based on CONFIG_NETDEV_MULTINIC is confused with CONFIG_NET_MULTILINK. Lots of code changed with IPv6 that was never compiled with MULTINIC enabled. Still some problem with parameter passing. 2015-02-09 18:15:34 -06:00
Gregory Nutt
9791e829f5 ICMPv6: This completes coding of the ICMPv6 auto-configuration feature. It is not yet functional 2015-02-03 15:40:56 -06:00
Gregory Nutt
5e938941a6 Networking: Replace all references to net_ipaddr_t with either in_addr_t on net_ipv6addr_t. The goal is to support both IPv4 and IPv6 simultaneously. This requires that the two types be distinct and not conditionally typedef'ed to net_ipaddr_t. 2015-01-16 12:30:18 -06:00
Gregory Nutt
fe8b3c5220 Networking: More detangling of IPv6 logic. Next steps will be more invasive and will get moved to a branch 2015-01-16 08:51:18 -06:00
Gregory Nutt
b36dbe1d89 Add logic to netdev_findbyaddr() to return the correct network device for the case where a broadcast address is used. This change caused trivial ripples through other files because additional parameters are required for netdev_findbyaddr() when CONFIG_NET_MULTINIC 2014-11-23 11:00:22 -06:00
Gregory Nutt
735aa4289a Network: Add logic to get a default network device (for the case where are multiple devices). For INADDR_ANY 2014-11-21 14:14:39 -06:00
Gregory Nutt
60246e613b NET: emoved all includes of uip.h; added includes of ip.h wherever needed. Tried to fix problems of the now missing sneak inclusions because uip.h was removed. There are probably a few of these that were missed. 2014-07-04 19:13:08 -06:00
Gregory Nutt
0bb153b8cb Remove all inclusion of uip.h 2014-07-04 16:58:22 -06:00
Gregory Nutt
899dc193ca NET: Renaming of IP address types 2014-06-29 12:22:50 -06:00
Gregory Nutt
fce2a79abd Rename uip_driver_s net_driver_s 2014-06-27 16:48:12 -06:00
Gregory Nutt
238d9d9694 Fix conflict in ChangeLog 2014-06-27 10:00:28 -06:00