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Author SHA1 Message Date
Nikhil Chandru Rao
d2bdf81505 Removed some bugs in TCP 2006-08-08 03:42:30 +00:00
Nikhil Chandru Rao
cb42e573a0 Added retransmissions to TCP 2006-08-07 18:52:26 +00:00
Michael Brown
010288577f Add very, very quick and dirty hello world test 2006-08-07 18:49:10 +00:00
Michael Brown
885a630ddf Fix routing when a gateway exists. This should probably be split into 
a separate function.
 2006-08-07 17:51:19 +00:00
Michael Brown
8a3f4b7de6 Set a NUL terminator before calling inet_aton. 2006-08-07 17:50:41 +00:00
Michael Brown
ecdcdea1af Remove unused attribute from __table macros; the tables are no longer 
static since otherwise gcc4 optimises them away completely.  Also, it
really *is* an error if the table start and end are unused, so they
certainly shouldn't be marked with attribute unused.
 2006-08-07 17:06:31 +00:00
Michael Brown
d0e4f198d6 Add iSCSI to the DHCP tests. 
Start updating iscsi.c to use Nikhil's TCP API.
 2006-08-07 16:48:24 +00:00
Nikhil Chandru Rao
6714ec745a Minor corrections 2006-08-07 07:37:23 +00:00
Michael Brown
eb24eece0e Convert some trivial functions to static inlines. 2006-08-03 23:42:03 +00:00
Michael Brown
ffe0e24249 Make the UDP senddata() methods return a status code. 
udp_connect() now follows the standard BSD sockets semantics and simply
sets the default address for outgoing packets; it doesn't filter incoming
packets.
 2006-08-03 23:10:14 +00:00
Michael Brown
a0a872f7f1 Updated PXE UDP implementation to use the new Etherboot UDP API. 
Updated PXE API dispatcher to use copy_{to,from}_user, and moved to
arch/i386 since the implementation is quite architecture-dependent.
(The individual PXE API calls can be largely
architecture-independent.)
 2006-08-02 23:08:10 +00:00
Michael Brown
e24a6cb525 Moved the basic struct sockaddr out of in.h. 2006-08-02 00:06:30 +00:00
Michael Brown
467e9627cc Added features that will be required for PXE UDP support. 
Introduced struct sockaddr_tcpip, to simplify code that deals with
both IPv4 and IPv6 addresses.

Reorganised parts of tcpip.c and udp.c.
 2006-08-02 00:02:21 +00:00
Nikhil Chandru Rao
9225f4edac TCP support 2006-08-01 20:46:50 +00:00
Nikhil Chandru Rao
c24546c70b Minor changes to the network layer rx() functions 2006-08-01 20:27:26 +00:00
Michael Brown
beadd82208 Remove unused functions. 2006-08-01 14:26:02 +00:00
Michael Brown
1ebb68e49a Renamed trans_{rx,tx}() to tcpip_{rx,tx}(), since they are specific to 
the TCP/IP protocol suite (rather than being general transport-layer
functions).
 2006-08-01 14:22:04 +00:00
Michael Brown
3a0e293123 Renamed tcpip_if.[ch] to tcpip.[ch] 2006-08-01 14:18:09 +00:00
Michael Brown
21c3d63c2e We shouldn't need to allocate a TX packet buffer when calling newdata(); 
if the application wants to send data then it will have to use the normal
senddata() mechanism.
 2006-08-01 14:13:58 +00:00
Michael Brown
ae277992c2 Request bootfile name; it doesn't seem to be automatically supplied by 
all servers.
 2006-08-01 14:12:27 +00:00
Michael Brown
6e3e5efaed Accept '%i' as a synonym for '%d'. 2006-07-25 14:33:20 +00:00
Michael Brown
9e761f5f28 Print out "DHCP..." message just in case people think the demo is sitting 
there doing nothing when it's actually waiting for a DHCP reply.
 2006-07-20 14:20:11 +00:00
Michael Brown
a92d242008 Allow an AoE boot to be directed via DHCP, so that we have a proof of 
concept demo that actually does something useful.
 2006-07-20 14:15:23 +00:00
Michael Brown
3085f03ad4 Request Etherboot encapsulated options. 
Parameter request list is yet another option that ISC dhcpd ignores
unless it's in the main options block.

Fix logic error in parsing file and sname fields.
 2006-07-20 14:14:41 +00:00
Michael Brown
b26806cf18 Add dhcp_snprintf() for extracting DHCP string options. 2006-07-20 14:13:11 +00:00
Michael Brown
7ca8bcd98c Print out the lease time, just to show how easy it is. 2006-07-20 03:02:34 +00:00
Michael Brown
16d04386b6 Switch default stack to Nikhil's TCP/IP stack 2006-07-20 02:53:15 +00:00
Michael Brown
e74e20cb55 Remove the static IP address hack from netdevice.c, and change the 
default test to the DHCP test.
 2006-07-20 02:51:52 +00:00
Michael Brown
00a1f000b1 Added dhcp_ipv4_option() and friends. 
Added test code to configure the interface for IPv4 after DHCP.
 2006-07-20 02:49:59 +00:00
Michael Brown
6a0b4c9772 Free up any allocated options if we fail 2006-07-20 02:25:39 +00:00
Michael Brown
764cb41456 Document memory ownership. 2006-07-20 02:23:42 +00:00
Michael Brown
7ca1bb0fbe Now successfully negotiates the whole DHCPDISCOVER/OFFER/REQUEST/ACK 
cycle.  :)
 2006-07-20 02:19:06 +00:00
Michael Brown
30d9bcdc6e Rename unwieldy function 2006-07-20 00:24:25 +00:00
Michael Brown
9ad5cede96 Set DHCP_MESSAGE_TYPE option within the main options block. This 
doesn't seem to be required by the RFCs, but at least ISC dhcpd and
ethereal refuse to recognise it otherwise.
 2006-07-20 00:18:50 +00:00
Michael Brown
881b90e82c Packets without a DHCP_MESSAGE_TYPE option are probably just BOOTP 
packets.
 2006-07-20 00:03:25 +00:00
Michael Brown
29b358dd39 conn->local_port is now network-endian; do not swap when comparing 
against value in header.

Temporarily disable RX checksumming; it's broken and is holding up
work on higher-layer protocols
.
 2006-07-20 00:03:01 +00:00
Michael Brown
36c94eae78 Clarify hexiness of header length 2006-07-20 00:01:50 +00:00
Michael Brown
2c0eb6eb1d Correct TCP/IP checksum generation. 2006-07-19 23:38:05 +00:00
Michael Brown
0768670fd8 udp_open() takes ports in network-endian order. 2006-07-19 21:56:27 +00:00
Nikhil Chandru Rao
13dbf5494d Minor edits 2006-07-19 21:05:58 +00:00
Michael Brown
224529d8dd Now capable of sending what, to me, looks like a valid DHCPDISCOVER 
(apart from the bad UDP checksum).
 2006-07-19 20:50:50 +00:00
Michael Brown
a38010fb0e Make udp_send() call udp_sendto(), rather than vice-versa. 2006-07-19 20:38:49 +00:00
Michael Brown
7c84b74185 A small but very critical bug. 2006-07-19 20:16:46 +00:00
Michael Brown
82f3295794 Use more standardised format specifiers in debug messages (e.g. %p for 
a pointer).
 2006-07-19 18:45:18 +00:00
Michael Brown
ab633f6a73 Reserve space for lower-layer headers when allocating packet buffer. 
Use pkb_available() rather than pkb_len() (which will always return 0
on a freshly allocated buffer).

udp_send() should assume that the buffer has already been allocated.
 2006-07-19 18:21:30 +00:00
Michael Brown
6858b14a34 Add pkb_available() 2006-07-19 18:16:48 +00:00
Michael Brown
e8daeb62b1 Eliminate confusion between functions that return pointers and 
functions that return status codes.

Zero the DHCP packet buffer *before* creating the options structures
inside it.
 2006-07-19 18:11:31 +00:00
Michael Brown
3369f93036 Add block identification to debug messages 2006-07-19 17:58:27 +00:00
Michael Brown
6d9d48537e Added some debug messages and DHCP test code 2006-07-19 17:49:31 +00:00
Michael Brown
317b962b65 Proof of concept: transmit a single DHCPDISCOVER and dump out any 
parsed DHCP responses.
 2006-07-19 17:32:13 +00:00