Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / ndp.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/ndp.h b/qemu/roms/ipxe/src/include/ipxe/ndp.h
new file mode 100644 (file)
index 0000000..7388f93
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/ndp.h
@@ -0,0 +1,206 @@
+#ifndef _IPXE_NDP_H
+#define _IPXE_NDP_H
+
+/** @file
+ *
+ * Neighbour discovery protocol
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <ipxe/in.h>
+#include <ipxe/ipv6.h>
+#include <ipxe/icmpv6.h>
+#include <ipxe/neighbour.h>
+
+/** An NDP option header */
+struct ndp_option_header {
+       /** Type */
+       uint8_t type;
+       /** Length (in blocks of 8 bytes) */
+       uint8_t blocks;
+} __attribute__ (( packed ));
+
+/** NDP option block size */
+#define NDP_OPTION_BLKSZ 8U
+
+/** NDP source link-layer address option */
+#define NDP_OPT_LL_SOURCE 1
+
+/** NDP target link-layer address option */
+#define NDP_OPT_LL_TARGET 2
+
+/** NDP source or target link-layer address option */
+struct ndp_ll_addr_option {
+       /** NDP option header */
+       struct ndp_option_header header;
+       /** Link-layer address */
+       uint8_t ll_addr[0];
+} __attribute__ (( packed ));
+
+/** NDP prefix information option */
+#define NDP_OPT_PREFIX 3
+
+/** NDP prefix information */
+struct ndp_prefix_information_option {
+       /** NDP option header */
+       struct ndp_option_header header;
+       /** Prefix length */
+       uint8_t prefix_len;
+       /** Flags */
+       uint8_t flags;
+       /** Valid lifetime */
+       uint32_t valid;
+       /** Preferred lifetime */
+       uint32_t preferred;
+       /** Reserved */
+       uint32_t reserved;
+       /** Prefix */
+       struct in6_addr prefix;
+} __attribute__ (( packed ));
+
+/** NDP on-link flag */
+#define NDP_PREFIX_ON_LINK 0x80
+
+/** NDP autonomous address configuration flag */
+#define NDP_PREFIX_AUTONOMOUS 0x40
+
+/** NDP recursive DNS server option */
+#define NDP_OPT_RDNSS 25
+
+/** NDP recursive DNS server */
+struct ndp_rdnss_option {
+       /** NDP option header */
+       struct ndp_option_header header;
+       /** Reserved */
+       uint16_t reserved;
+       /** Lifetime */
+       uint32_t lifetime;
+       /** Addresses */
+       struct in6_addr addresses[0];
+} __attribute__ (( packed ));
+
+/** NDP DNS search list option */
+#define NDP_OPT_DNSSL 31
+
+/** NDP DNS search list */
+struct ndp_dnssl_option {
+       /** NDP option header */
+       struct ndp_option_header header;
+       /** Reserved */
+       uint16_t reserved;
+       /** Lifetime */
+       uint32_t lifetime;
+       /** Domain names */
+       uint8_t names[0];
+} __attribute__ (( packed ));
+
+/** An NDP option */
+union ndp_option {
+       /** Option header */
+       struct ndp_option_header header;
+       /** Source or target link-layer address option */
+       struct ndp_ll_addr_option ll_addr;
+       /** Prefix information option */
+       struct ndp_prefix_information_option prefix;
+       /** Recursive DNS server option */
+       struct ndp_rdnss_option rdnss;
+       /** DNS search list option */
+       struct ndp_dnssl_option dnssl;
+} __attribute__ (( packed ));
+
+/** An NDP neighbour solicitation or advertisement header */
+struct ndp_neighbour_header {
+       /** ICMPv6 header */
+       struct icmp_header icmp;
+       /** Flags */
+       uint8_t flags;
+       /** Reserved */
+       uint8_t reserved[3];
+       /** Target address */
+       struct in6_addr target;
+       /** Options */
+       union ndp_option option[0];
+} __attribute__ (( packed ));
+
+/** NDP router flag */
+#define NDP_NEIGHBOUR_ROUTER 0x80
+
+/** NDP solicited flag */
+#define NDP_NEIGHBOUR_SOLICITED 0x40
+
+/** NDP override flag */
+#define NDP_NEIGHBOUR_OVERRIDE 0x20
+
+/** An NDP router advertisement header */
+struct ndp_router_advertisement_header {
+       /** ICMPv6 header */
+       struct icmp_header icmp;
+       /** Current hop limit */
+       uint8_t hop_limit;
+       /** Flags */
+       uint8_t flags;
+       /** Router lifetime */
+       uint16_t lifetime;
+       /** Reachable time */
+       uint32_t reachable;
+       /** Retransmission timer */
+       uint32_t retransmit;
+       /** Options */
+       union ndp_option option[0];
+} __attribute__ (( packed ));
+
+/** NDP managed address configuration */
+#define NDP_ROUTER_MANAGED 0x80
+
+/** NDP other configuration */
+#define NDP_ROUTER_OTHER 0x40
+
+/** An NDP router solicitation header */
+struct ndp_router_solicitation_header {
+       /** ICMPv6 header */
+       struct icmp_header icmp;
+       /** Reserved */
+       uint32_t reserved;
+       /** Options */
+       union ndp_option option[0];
+} __attribute__ (( packed ));
+
+/** An NDP header */
+union ndp_header {
+       /** ICMPv6 header */
+       struct icmp_header icmp;
+       /** Neighbour solicitation or advertisement header */
+       struct ndp_neighbour_header neigh;
+       /** Router solicitation header */
+       struct ndp_router_solicitation_header rsol;
+       /** Router advertisement header */
+       struct ndp_router_advertisement_header radv;
+} __attribute__ (( packed ));
+
+extern struct neighbour_discovery ndp_discovery;
+
+/**
+ * Transmit packet, determining link-layer address via NDP
+ *
+ * @v iobuf            I/O buffer
+ * @v netdev           Network device
+ * @v net_dest         Destination network-layer address
+ * @v net_source       Source network-layer address
+ * @v ll_source                Source link-layer address
+ * @ret rc             Return status code
+ */
+static inline int ndp_tx ( struct io_buffer *iobuf, struct net_device *netdev,
+                          const void *net_dest, const void *net_source,
+                          const void *ll_source ) {
+
+       return neighbour_tx ( iobuf, netdev, &ipv6_protocol, net_dest,
+                             &ndp_discovery, net_source, ll_source );
+}
+
+/** NDP settings block name */
+#define NDP_SETTINGS_NAME "ndp"
+
+#endif /* _IPXE_NDP_H */