mirror of
https://github.com/xcat2/xcat-dep.git
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a60d90375d
-Add workaround for use of Etherboot UNDI stack from git tree -Add workaround for UNDI drivers that do not call the undi open call before attempting to use defive from git tree -Change ProxyDHCP broadcast to go to port 67 (from git tree) -Enable use of DHCP options when BOOTP fields are not present -Report UNDI device to driver as a more standard interface type -Workaround malformed OACK packets sent by certain PXE servers -Avoid a spurious IRQ -Add fix for e1000 driver -Have the UNDI stack report UNDI capabilities -Fix some places where interrupt handlers did not use iret to return
34 lines
1.1 KiB
Diff
34 lines
1.1 KiB
Diff
diff -urN gpxe-0.9.7/src/net/dhcppkt.c gpxe-0.9.7-bootptodhcpfailover/src/net/dhcppkt.c
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--- gpxe-0.9.7/src/net/dhcppkt.c 2009-03-01 21:23:42.000000000 -0500
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+++ gpxe-0.9.7-bootptodhcpfailover/src/net/dhcppkt.c 2009-08-21 21:49:52.000000000 -0400
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@@ -155,6 +155,8 @@
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memset ( field_data, 0, field->len );
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memcpy ( dhcp_packet_field ( dhcppkt->dhcphdr, field ),
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data, len );
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+ /* Erase any equivalent option from the options block */
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+ dhcpopt_store ( &dhcppkt->options, tag, NULL, 0 );
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return 0;
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}
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@@ -181,14 +183,16 @@
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void *data, size_t len ) {
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struct dhcp_packet_field *field;
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void *field_data;
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- size_t field_len;
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+ size_t field_len = 0;
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- /* If this is a special field, return it */
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+ /* Identify special field, if any */
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if ( ( field = find_dhcp_packet_field ( tag ) ) != NULL ) {
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field_data = dhcp_packet_field ( dhcppkt->dhcphdr, field );
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field_len = field->used_len ( field_data, field->len );
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- if ( ! field_len )
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- return -ENOENT;
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+ }
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+
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+ /* Return special field, if it exists and is populated */
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+ if ( field_len ) {
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if ( len > field_len )
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len = field_len;
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memcpy ( data, field_data, len );
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