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2012-11-04net/: sparse fixesKim Phillips
bootp.c:44:14: warning: symbol 'dhcp_state' was not declared. Should it be static? bootp.c:45:15: warning: symbol 'dhcp_leasetime' was not declared. Should it be static? bootp.c:46:10: warning: symbol 'NetDHCPServerIP' was not declared. Should it be static? arp.c:30:17: warning: symbol 'NetArpWaitReplyIP' was not declared. Should it be static? arp.c:37:16: warning: symbol 'NetArpTxPacket' was not declared. Should it be static? arp.c:38:17: warning: symbol 'NetArpPacketBuf' was not declared. Should it be static? atheros.c:33:19: warning: symbol 'AR8021_driver' was not declared. Should it be static? net.c:183:7: warning: symbol 'PktBuf' was not declared. Should it be static? net.c:159:21: warning: symbol 'net_state' was not declared. Should it be static? ping.c:73:6: warning: symbol 'ping_start' was not declared. Should it be static? ping.c:82:13: warning: symbol 'ping_receive' was not declared. Should it be static? tftp.c:53:7: warning: symbol 'TftpRRQTimeoutMSecs' was not declared. Should it be static? tftp.c:54:5: warning: symbol 'TftpRRQTimeoutCountMax' was not declared. Should it be static? eth.c:125:19: warning: symbol 'eth_current' was not declared. Should it be static? Note: in the ping.c fix, commit a36b12f95a29647a06b5459198684fc142482020 "net: Move PING out of net.c" mistakenly carried the ifdef CMD_PING clause from when it was necessary to avoid warnings when it was embedded in net.c. Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
2012-09-24net: Filter incoming netconsole packets by IPJoe Hershberger
Check the incoming packets' source IP address... if ncip isn't set to a broadcast address, only listen to the client at ncip. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2012-09-24net: Improve the speed of netconsoleJoe Hershberger
Previously u-boot would initialize the network interface for every network operation and then shut it down again. This makes sense for most operations where the network in not known to be needed soon after the operation is complete. In the case of netconsole, it will use the network for every interaction with the shell or every printf. This means that the network is being reinitialized very often. On many devices, this intialization is very slow. This patch checks for consecutive netconsole actions and leaves the ethernet hardware initialized between them. It will still behave the same old way for all other network operations and any time another network operation happens between netconsole operations. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Cc: Stefano Babic <sbabic@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
2012-07-07net: add helper to generate random mac addressMichael Walle
Add new function eth_random_enetaddr() to generate a locally administered ethernet address. Signed-off-by: Michael Walle <michael@walle.cc> Acked-by: Joe Hershberger <joe.hershberger@gmail.com>
2012-05-23net: Allow filtering on debug traces in the net subsystemJoe Hershberger
Add several levels of DEBUG prints so that you can limit the noise to the severety of your problem. DEBUG_LL_STATE = Link local state machine changes DEBUG_DEV_PKT = Packets or info directed to the device DEBUG_NET_PKT = Packets on info on the network at large DEBUG_INT_STATE = Internal network state changes Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2012-05-23net: Add link-local addressing supportJoe Hershberger
Code based on networking/zcip.c in busybox commit 8531d76a15890c2c535908ce888b2e2aed35b172 Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2012-05-23net: Don't copy every packet that waits for an ARPJoe Hershberger
Use the NetArpTxPacket for the ARP packet, not to hold what used to be in NetTxPacket. This saves a copy and makes the code easier to understand. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
2012-05-23net: Fix net buffer initializationJoe Hershberger
A new non-static function net_init() will initialize buffers and read from the environment. Only update from the env on each entry to NetLoop(). Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
2012-05-23net: Add net_update_ether() to handle ARP and Ping repliesJoe Hershberger
When the network is VLAN or SNAP, net_update_ether() will preserve the original Ethernet packet header and simply replace the src and dest MACs and the protocol Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
2012-05-23net: Refactor to separate the UDP handler from the ARP handlerJoe Hershberger
Call a built-in dummy if none is registered... don't require protocols to register a handler (eliminating dummies) NetConsole now uses the ARP handler when waiting on arp (instead of needing a #define hack in arp.c) Clear handlers at the end of net loop Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
2012-05-23net: Refactor to protect access to the NetState variableJoe Hershberger
Changes to NetState now go through an accessor function called net_set_state() Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2012-05-23net: Refactor to use NetSendPacket instead of eth_send directlyJoe Hershberger
Use this entry-point consistently across the net/ code Use a static inline function to preserve code size Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
2012-05-23net: Refactor IP, UPD, and ICMP header writing functionsJoe Hershberger
ICMP (ping) was reimplementing IP header code... it now shares code. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Mike Frysinger <vapier@gentoo.org>
2012-05-23net: cosmetic: Replace magic numbers in arp.c with constantsJoe Hershberger
Use field names and sizes when accessing ARP packets Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2012-05-23net: cosmetic: Add a more explicit comment about 802.2Joe Hershberger
Make the comment more accurate about the header including SNAP Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
2012-05-23net: cosmetic: Rename parameter len to payload_lenJoe Hershberger
This name more explicitly claims that it does not include the header size Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
2012-05-23net: cosmetic: Un-typedef ICMP_tJoe Hershberger
Remove typedef and lower-case name Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2012-05-23net: cosmetic: Un-typedef ARP_tJoe Hershberger
Remove typedef and lower-case letters Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2012-05-23net: cosmetic: Un-typedef VLAN_Ethernet_tJoe Hershberger
Eliminate the typedef and remove capital letters Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2012-05-23net: cosmetic: Un-typedef Ethernet_tJoe Hershberger
Separate the Ethernet header from the 802 header. Base the size constants on the structs. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2012-05-23net: cosmetic: Split struct ip_udp_hdr into ip_hdrJoe Hershberger
Add a structure that only contains IP header fields to be used by functions that don't need UDP Rename IP_HDR_SIZE_NO_UDP to IP_HDR_SIZE Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2012-05-23net: cosmetic: Un-typedef IP_tJoe Hershberger
Rename IP header related things to IP_UDP. The existing definition of IP_t includes UDP header, so name it to accurately describe the structure. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2012-05-23net: Move ARP out of net.cJoe Hershberger
Separate this functionality out of the net.c behemoth Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Mike Frysinger <vapier@gentoo.org>
2012-05-23net: Encapsulate CDP packet identificationJoe Hershberger
Checking for CDP packets should be encapsulated, not copied code. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2012-05-23net: Move CDP out of net.cJoe Hershberger
Separate this functionality out of the net.c behemoth Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2012-05-15net: cosmetic: tftp.* checkpatch complianceJoe Hershberger
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
2012-05-15net: cosmetic: net.c checkpatch complianceJoe Hershberger
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
2012-05-15net: cosmetic: net.h checkpatch complianceJoe Hershberger
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
2012-05-15net: Remove volatile from net APIJoe Hershberger
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
2012-03-29net: force PKTALIGN to ARCH_DMA_MINALIGNEric Nelson
This will prevent the need for architectures whose DMA alignment is greater than 32 to have bounce buffers. Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
2012-03-18net/miiphy/serial: drop duplicate "NAMESIZE" defineMike Frysinger
A few subsystems are using the same define "NAMESIZE". This has been working so far because they define it to the same number. However, I want to change the size of eth_device's NAMESIZE, so rather than tweak the define names, simply drop references to it. Almost no one does, and the handful that do can easily be changed to a sizeof(). Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-03-03eth: remove usb-ethernet devices before re-enumerating themVincent Palatin
Fix the crash when running several times usb_init() with a USB ethernet device plugged. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> Tested-by: Wolfgang Grandegger <wg@denx.de>
2011-12-20net: introduce per device indexMichael Walle
Instead of counting the device index everytime a functions needs it, store it in the eth_device struct. eth_register() keeps track of the indices and updates the device's index number. This simplifies some functions in net/eth.c. Additionally, a network driver can now query its index, eg. to get the correct environment ethaddr name. Signed-off-by: Michael Walle <michael@walle.cc> Cc: Prafulla Wadaskar <prafulla@marvell.com> Cc: Mike Frysinger <vapier@gentoo.com> Cc: Wolfgang Denk <wd@denx.de> Acked-by: Mike Frysinger <vapier@gentoo.org>
2011-12-06net: Make sure IPaddr_t is 32 bits in sizeMatthias Weisser
When building u-boot as 64 bit application (e.g. sandbox) ulong might be 64 bits in size. This breaks network code as IPaddr_t is 64 bytes in size then and an IPv4 address is 32 bits in size. This patch makes sure that IPaddr_t is always 32 bits in size. Also some warnings introduced by this patch are fixed. Signed-off-by: Matthias Weisser <weisserm@arcor.de> Acked-by: Mike Frysinger <vapier@gentoo.org>
2011-10-27net: Export auto_load, use it in rarpSimon Glass
The rarp code includes another instance of the auto_load logic, so call what is now net_auto_load() instead. This also fixes an incorrect call to TftpStart() which was never seen since apparently no boards enable rarp. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Mike Frysinger <vapier@gentoo.org>
2011-10-26net: tftpput: Support selecting get/put for tftpSimon Glass
TftpStart should support starting either a get or a put. Signed-off-by: Simon Glass <sjg@chromium.org>
2011-10-26net: tftpput: Rename TFTP to TFTPGETSimon Glass
This is a better name for this protocol. Also remove the typedef to keep checkpatch happy, and move zeroing of NetBootFileXferSize a little earlier since TFTPPUT will need to change this. Signed-off-by: Simon Glass <sjg@chromium.org>
2011-10-26net: tftpput: Add support for receiving ICMP packetsSimon Glass
ICMP packets can tell you when there is no server at the other end. It is useful for tftp to figure this out, so that a quick error can be displayed, rather than pointlessly retrying. This adds an ICMP packet handler to the net interface. Signed-off-by: Simon Glass <sjg@chromium.org>
2011-10-05net: drop !NET_MULTI codeMike Frysinger
This is long over due. All but two net drivers have been converted, but those have now been dropped. The only thing left to do is actually delete all references to NET_MULTI and code that is compiled when that is not defined. So here we scrub the core code. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-08-08Add Ethernet hardware MAC address framework to usbnetSimon Glass
Built-in Ethernet adapters support setting the mac address by means of a ethaddr environment variable for each interface (ethaddr, eth1addr, eth2addr). This adds similar support to the USB network side, using the names usbethaddr, usbeth1addr, etc. They are kept separate since we don't want a USB device taking the MAC address of a built-in device or vice versa. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Eric Bénard <eric@eukrea.com>
2011-05-19TFTP: add tftpsrv commandLuca Ceresoli
Signed-off-by: Luca Ceresoli <luca.ceresoli@comelit.it> Cc: Wolfgang Denk <wd@denx.de> Acked-by: Detlev Zundel <dzu@denx.de>
2011-05-12NET: pass source IP address to packet handlersLuca Ceresoli
This is needed for the upcoming TFTP server implementation. This also simplifies PingHandler() and fixes rxhand_f documentation. Signed-off-by: Luca Ceresoli <luca.ceresoli@comelit.it> Cc: Wolfgang Denk <wd@denx.de> Acked-by: Detlev Zundel <dzu@denx.de>
2010-11-28string_to_ip: constify "s" argMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-11-28string_to_VLAN: constify "var" argMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-11-28copy_filename: constify "src" argMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-09-20Integrate USB gadget layer and USB CDC driver layerRemy Bohmer
Derived from Linux kernel 2.6.27 Signed-off-by: Thomas Smits <ts.smits@gmail.com> Signed-off-by: Remy Bohmer <linux@bohmer.net>
2010-08-09Fix compile warnings for const correctnessBen Warren
Commit 6e37b1a3a25004d3df5867de49fff6b3fc9c4f04 modifies several net calls to take a (const char *) parameter instead of (char *), but in some cases the modified functions call other functions taking (char *). The end result is warnings about discarding the const qualifier. This patch fixes these other function signatures. Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
2010-05-03Program net device MAC addresses after initializingBen Warren
Add a new function to the eth_device struct for programming a network controller's hardware address. After all network devices have been initialized and the proper MAC address for each has been determined, make a device driver call to program the address into the device. Only device instances with valid unicast addresses will be programmed. Signed-off-by: Ben Warren <biggerbadderben@gmail.com> Acked-by: Detlev Zundel <dzu@denx.de> Tested-by: Prafulla Wadaskar <prafulla@marvell.com> Tested-by: Heiko Schocher <hs@denx.de> Tested-by: Thomas Chou <thomas@wytron.com.tw>
2010-01-17Make getenv_IPaddr() globalDirk Behme
There are boards out there that do not have network support in U-Boot (CONFIG_CMD_NET not set), but they do so in Linux. This makes it desirable to be able to port network configuration (like the IP address) to the Linux kernel. We should not make the passing of the IP configuration to Linux dependent on U-Boot features / settings. For this, make getenv_IPaddr() global. This fixes build error u-boot/lib_xxx/board.c:360: undefined reference to `getenv_IPaddr' on various architectures. Signed-off-by: Dirk Behme <dirk.behme@googlemail.com> Acked-by: Ben Warren <biggerbadderben@gmail.com>
2009-10-04net: add random_port() prototypeMike Frysinger
The random_port() is meant to be used by other net code, but without a prototype, we get fun warnings like: dns.c: In function 'DnsSend': dns.c:89: warning: implicit declaration of function 'random_port' Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
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