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jeremybenn |
* A new API: protosockets that are similar to BSD sockets but does not
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require any underlying multithreading system.
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* Very rudimentary IPv6 support
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* New application: DHCP client. Web server rewritten with protosockets.
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* Removed uIP zero-copy functionality in order to simplify uIP device
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driver coding: outbound packets are now *always* stored in full in
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the uip_buf buffer.
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* Checksum computation is now part of uip.c, but it still is possible
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to implement them in assembly code by specifying a configuration
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option. Checksum code now runs on architectures with 2-byte alignment.
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* Added TCP persistent timer.
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* Made all IP address representations use the new uip_ipaddr_ip
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datatype for clarity.
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* Updated window behavior so that sending to a host with a small open
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window works better now.
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* UDP API change: uip_udp_new() now takes port numbers in network byte
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order like TCP functions.
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* Allow reception of packets when no IP address is configured to make
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DHCP work.
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* Moved Ethernet address into main uIP module from ARP module.
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* Made constants explicit #defines and moved them out of the code
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(header sizes, TCP options, TCP header length field).
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* If uip_len is less than that reported by the IP header, the packet
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is discarded. If uip_len is greater than the length reported by the
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IP header, uip_len is adjusted.
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* Moved header size definitions into header file.
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* Added uIP call for polling an application without triggering any
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timer events. Removed redundant assignments of uip_len and uip_slen.
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* Removed compiler warning about icmp_input label being defined when
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UIP_PINGADDRCONF was not used.
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* Added UIP_APPDATA_SIZE macro that holds the available buffer size
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for user data.
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* Added uip_udp_bind() call.
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* Moved checksum code into main uIP module.
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* Switched the TCP, UDP and IP header structures to be structs rather
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than typedefs.
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* Prefixed TCP state names with UIP_ to avoid name space
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contamination.
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* Changed declarations of uip_appdatap and friends to void * to avoid
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explicit typecasts.
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* Bugfixes
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o TCP: Fixed bug with high byte of peer window size.
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o TCP: Fixed bug that in some cases prevented concurrent reception and
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transmission of TCP data.
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o TCP: uip_connect() didn't correctly calculate age of TIME_WAIT
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connections.
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o TCP: Array index for uip_conns[] array was out of bounds in
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comparison. Comparison changed to make index within bounds.
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o TCP: if the remote host crashes and tries to reestablish an old
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connection, uIP should respond with an ACK with the correct
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sequence and acknowledgment numbers, to which the remote host
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should respond with an ACK. uIP did not respond with the correct
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ACK.
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o TCP: Fixed check for SYNACK segment: now checks only relevant TCP
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control flags and discards flags reserved for future expansion.
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o TCP: Fixed bug where uIP did not inform application that a connection
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had been aborted during an active open.
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o TCP: FIN segment was accepted even though application had stopped
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incoming data with uip_stop().
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o TCP: A FINACK segment would not always correctly acknowledge data.
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o UDP: checksums are now calculated after all fields have been
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filled in.
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o UDP: network byte order on lastport in uip_udp_new().
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o IP: memset() bugs in IP fragment reassembly code fixed.
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