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109 Commits

Author SHA1 Message Date
Gregory Nutt
2ada7d5892 IPv6: Remove comparisons to the address with all ones set. IPv6 does not support broadcast addresses and certainly not in that form. Replace with multicast addresses beginning with 0xff02. 2017-08-07 11:50:50 -06:00
Gregory Nutt
7467329a98 Eliminate CONFIG_NO_NOINTS. Lots of files changed -> lots of testing needed. 2016-12-03 16:28:19 -06:00
Gregory Nutt
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
Gregory Nutt
43eb04bb8f Without lowsyslog() *llinfo() is not useful. Eliminate and replace with *info(). 2016-06-20 11:59:15 -06:00
Gregory Nutt
d40a473f72 Without lowsyslog() *llwarn() is not useful. Eliminate and replace with *warn(). 2016-06-20 09:37:08 -06:00
Jakub Łągwa
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
Gregory Nutt
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
Gregory Nutt
a1469a3e95 Add CONFIG_DEBUG_ERROR. Change names of *dbg() * *err() 2016-06-11 15:50:49 -06:00
Gregory Nutt
e99301d7c2 Rename *lldbg to *llerr 2016-06-11 14:55:27 -06:00
Gregory Nutt
fc3540cffe Replace all occurrences of vdbg with vinfo 2016-06-11 11:59:51 -06:00
Gregory Nutt
4f208600aa Replace confusing references to uIP with just 'the network' 2016-05-30 09:31:44 -06:00
Gregory Nutt
8db55f6493 Back out most of previous commit 2016-02-26 06:45:37 -06:00
Gregory Nutt
0b441ff1f4 net/: Add basic IEEE 802.15-4 socket support 2016-02-25 14:01:22 -06:00
Gregory Nutt
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
Gregory Nutt
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
Gregory Nutt
007aabc46f Fix a badly formatted comment 2015-08-26 19:18:04 -06:00
Gregory Nutt
04a661a97c TCP networking: Add support for network driver events 2015-05-30 09:12:27 -06:00
Gregory Nutt
ab50e9d04d Networking: Get rid of g_ipv4_allzeroaddr and g_ipv4_alloneaddr. It is more efficient and more intuitive to use INADDR_ANY and INADDR_BROADCAST 2015-05-29 15:16:11 -06:00
Gregory Nutt
e81f279315 Networking: Modify event list handling: Now there are two event lists each device structure: (1) One is for ARP and ICMP data related evetns, the other is for device related events. Callback allocation/free routines no accept a device paramter as well as a list: If the device paramter is added, then the callback goes into both the connection-related liast AND the device event list. Thus each socket type can received both custom data-related events as well as common device related events. 2015-05-28 12:01:38 -06:00
Gregory Nutt
a82b8fd71f Networking: Fix several build errors/warning with IPv4 + IPv6 + multiple networks are enabled. 2015-02-10 06:54:10 -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
5d31687e75 Correct name of fields in struct sockaddr_in6: sin6_port and sin6_family, not sin_port and sin_family 2015-01-20 18:14:09 -06:00
Gregory Nutt
f7663ef0ab Networking: Final detangle off IPv4 and IPv6 TCP/UDP send logic. The Networking subsystem now compiles with IPv6 enabled 2015-01-18 08:56:05 -06:00
Gregory Nutt
86f617cc88 Networking: Straighten up use if IPv6/IPv4 in TCP connection logic 2015-01-17 17:07:54 -06:00
Gregory Nutt
b187b4f381 Networking: Straighten up use if IPv6/IPv4 in TCP connection logic 2015-01-17 15:17:35 -06:00
Gregory Nutt
f7681dbb43 Networking: Detangling IPv6/4 logic in UDP connection structures 2015-01-17 14:13:56 -06:00
Gregory Nutt
94f9312150 Networking: Save the IP domain in the connection structure 2015-01-17 13:07:48 -06:00
Gregory Nutt
8f8259a0d6 Networking: UDP and TCP MSS depends on the IP header size (as well as the link layer header size) and cannot be represented with a single value. 2015-01-16 15:03:10 -06:00
Gregory Nutt
2663538b0a Networking: Replace all references to the macros net_ipaddr_copy, net_ipaddr_hdrcopy, net_ipaddr_cmp, net_ipaddr_hdrcmp, and net_ipaddr_maskcmp with the appropriate IPv4 or IPv6 version of the macro (such as net_ipv4addr_copy). The goal is to support both IPv4 and IPv6 simultaneously. This requires that the macros be distinct and not conditionally defined to one on or the other. 2015-01-16 13:01:08 -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
bee89be4f4 Networking: Drivers can have both IPv4 and IPv6 addesses, but a socket can only only one or the other; The socket connnection structures need to include a union of IPv4 and IPv6 addresses for the local address binding and for the remote address connections 2015-01-16 10:01:54 -06:00
Gregory Nutt
630366272a Networking: Seperate tcp_input() and udp_input() into seprate functions tcp_ipv4_input(), tcp_ipv6_input(), udp_ipv4_input(), and upd_ipv6_input() than can deal will the data offsets caused by the differing sizes of the IP header. 2015-01-15 15:06:46 -06:00
Gregory Nutt
a6a9452c05 net/tcp/tcp_conn.c: Fix a logic error when CONFIG_NETDEV_MULTINIC is selected: net_unlock(flags) will be called will an uninitialized variable (2015-01-03). 2015-01-02 12:03:08 -06:00
Gregory Nutt
dc7a45ecf8 Extensions to ECP conneciton structure for the case of multiple networks. See additional comments regarding the similar change for UDP 2014-11-22 10:46:37 -06:00
Gregory Nutt
80fc094734 Make tcp_listener static scope; it is not used outside of tcp_conn.c 2014-11-22 07:14:17 -06:00
Gregory Nutt
2e55db369d Network: All logic will now handle varialbe length link layer protocol headers within incoming packets. This permits use of multiple network interfaces with differing data links. For example, ETHERNET + SLIP 2014-11-15 13:13:23 -06:00
Gregory Nutt
a251259f90 NET: Rename some non-configurable constants UIP_ to IP_ or TCP_ 2014-07-06 16:19:26 -06:00
Gregory Nutt
b77fda2c95 NET: Rename TCP state values: UIP_ -> TCP_ 2014-07-06 16:10:26 -06:00
Gregory Nutt
2d52d70d4c NET: Move private definitions from include/nuttx/net/tcp to net/tcp/tcp.h 2014-07-06 12:34:27 -06:00
Gregory Nutt
c5fc24e110 NET: Standardize naming of all protocal header lengths 2014-07-05 13:04:48 -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
a6b39d1879 NET: in-progress change... don't use 2014-07-04 16:38:51 -06:00
Gregory Nutt
8e9df8ade0 NET: Misc naming clean-up 2014-07-02 17:23:25 -06:00
Gregory Nutt
7dd04db1d2 NET: Rename uip_nextXYZconn to XYZ_netconn 2014-06-30 18:03:58 -06:00
Gregory Nutt
ad3e39e53d NET: Rename uiphdr_ipaddr_copy to net_ipaddr_hdrcopy, uip_ip4addr_conv to net_ip4addr_conv32, and uip_ethaddr_cmp to eth_addr_cmp 2014-06-29 13:20:00 -06:00
Gregory Nutt
c362f21815 NET: Rename uip_ipaddr* to net_ipaddr* 2014-06-29 13:11:08 -06:00
Gregory Nutt
fa68fcc843 NET: Rename uip_callback_s to devif_callback_s 2014-06-29 12:59:34 -06:00
Gregory Nutt
c179369a47 Rename static functions from uip_* to something more appropriate. Globally scoped functions will take more work 2014-06-28 19:26:16 -06:00
Gregory Nutt
8e706eb4ff Rename many functions in net/devif from uip_* to devif_* 2014-06-28 18:36:09 -06:00
Gregory Nutt
5790c94ba3 Rename net/uip to net/devif. Rename uip/uip.h to devif/devif.h 2014-06-28 18:07:02 -06:00
Gregory Nutt
64ba574ecc Move files to net/utils; make appropriate name changes, most for uip_lock to net_lock 2014-06-26 14:23:21 -06:00
Gregory Nutt
e1091251e6 NET: Move statistcs from uip.h to new netstats.h to remove nasty circular inclusion problem. 2014-06-26 09:32:39 -06:00
Gregory Nutt
04985d6d1e Clean up all TCP-related naming 2014-06-24 18:12:49 -06:00
Gregory Nutt
fabcb6d37e TCP Read-Ahead: Convert to use I/O buffer chains 2014-06-24 15:38:00 -06:00
Gregory Nutt
5d1f8180d4 Move the remaining files from include/nuttx/net/uip to include/nuttx/net; Rename *_internal.h header files in net/ to just *.h 2014-06-24 10:14:15 -06:00
Gregory Nutt
37646044ac Move include/nuttx/net/uip/uip-arch.h to include/nuttx/net/netdev.h 2014-06-24 09:28:44 -06:00
Gregory Nutt
626469e30c Move include/nuttx/net/uipopt.h to include/nuttx/net/netconfig.h 2014-06-24 08:53:28 -06:00
Gregory Nutt
2805582151 net: Add net/tcp/tcp.h; rename uip_tcpwrbuffer_ to tcp_wrbuffer_* 2014-06-21 15:23:39 -06:00
Gregory Nutt
143959c1ed Move TCP files from net/uip to net/tcp 2014-06-18 10:18:53 -06:00