diff options
Diffstat (limited to 'gpxe/src/net/icmpv6.c')
| -rw-r--r-- | gpxe/src/net/icmpv6.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/gpxe/src/net/icmpv6.c b/gpxe/src/net/icmpv6.c deleted file mode 100644 index 237fc4a6..00000000 --- a/gpxe/src/net/icmpv6.c +++ /dev/null @@ -1,128 +0,0 @@ -#include <stdint.h> -#include <string.h> -#include <byteswap.h> -#include <errno.h> -#include <gpxe/in.h> -#include <gpxe/ip6.h> -#include <gpxe/if_ether.h> -#include <gpxe/iobuf.h> -#include <gpxe/ndp.h> -#include <gpxe/icmp6.h> -#include <gpxe/tcpip.h> -#include <gpxe/netdevice.h> - -struct tcpip_protocol icmp6_protocol; - -/** - * Send neighbour solicitation packet - * - * @v netdev Network device - * @v src Source address - * @v dest Destination address - * - * This function prepares a neighbour solicitation packet and sends it to the - * network layer. - */ -int icmp6_send_solicit ( struct net_device *netdev, struct in6_addr *src __unused, - struct in6_addr *dest ) { - union { - struct sockaddr_in6 sin6; - struct sockaddr_tcpip st; - } st_dest; - struct ll_protocol *ll_protocol = netdev->ll_protocol; - struct neighbour_solicit *nsolicit; - struct io_buffer *iobuf = alloc_iob ( sizeof ( *nsolicit ) + MIN_IOB_LEN ); - iob_reserve ( iobuf, MAX_HDR_LEN ); - nsolicit = iob_put ( iobuf, sizeof ( *nsolicit ) ); - - /* Fill up the headers */ - memset ( nsolicit, 0, sizeof ( *nsolicit ) ); - nsolicit->type = ICMP6_NSOLICIT; - nsolicit->code = 0; - nsolicit->target = *dest; - nsolicit->opt_type = 1; - nsolicit->opt_len = ( 2 + ll_protocol->ll_addr_len ) / 8; - memcpy ( nsolicit->opt_ll_addr, netdev->ll_addr, - netdev->ll_protocol->ll_addr_len ); - /* Partial checksum */ - nsolicit->csum = 0; - nsolicit->csum = tcpip_chksum ( nsolicit, sizeof ( *nsolicit ) ); - - /* Solicited multicast address */ - st_dest.sin6.sin_family = AF_INET6; - st_dest.sin6.sin6_addr.in6_u.u6_addr8[0] = 0xff; - st_dest.sin6.sin6_addr.in6_u.u6_addr8[2] = 0x02; - st_dest.sin6.sin6_addr.in6_u.u6_addr16[1] = 0x0000; - st_dest.sin6.sin6_addr.in6_u.u6_addr32[1] = 0x00000000; - st_dest.sin6.sin6_addr.in6_u.u6_addr16[4] = 0x0000; - st_dest.sin6.sin6_addr.in6_u.u6_addr16[5] = 0x0001; - st_dest.sin6.sin6_addr.in6_u.u6_addr32[3] = dest->in6_u.u6_addr32[3]; - st_dest.sin6.sin6_addr.in6_u.u6_addr8[13] = 0xff; - - /* Send packet over IP6 */ - return tcpip_tx ( iobuf, &icmp6_protocol, NULL, &st_dest.st, - NULL, &nsolicit->csum ); -} - -/** - * Process ICMP6 headers - * - * @v iobuf I/O buffer - * @v st_src Source address - * @v st_dest Destination address - */ -static int icmp6_rx ( struct io_buffer *iobuf, struct sockaddr_tcpip *st_src, - struct sockaddr_tcpip *st_dest, __unused uint16_t pshdr_csum ) { - struct icmp6_header *icmp6hdr = iobuf->data; - - /* Sanity check */ - if ( iob_len ( iobuf ) < sizeof ( *icmp6hdr ) ) { - DBG ( "Packet too short (%zd bytes)\n", iob_len ( iobuf ) ); - free_iob ( iobuf ); - return -EINVAL; - } - - /* TODO: Verify checksum */ - - /* Process the ICMP header */ - switch ( icmp6hdr->type ) { - case ICMP6_NADVERT: - return ndp_process_advert ( iobuf, st_src, st_dest ); - } - return -ENOSYS; -} - -#if 0 -void icmp6_test_nadvert (struct net_device *netdev, struct sockaddr_in6 *server_p, char *ll_addr) { - - struct sockaddr_in6 server; - memcpy ( &server, server_p, sizeof ( server ) ); - struct io_buffer *rxiobuf = alloc_iob ( 500 ); - iob_reserve ( rxiobuf, MAX_HDR_LEN ); - struct neighbour_advert *nadvert = iob_put ( rxiobuf, sizeof ( *nadvert ) ); - nadvert->type = 136; - nadvert->code = 0; - nadvert->flags = ICMP6_FLAGS_SOLICITED; - nadvert->csum = 0xffff; - nadvert->target = server.sin6_addr; - nadvert->opt_type = 2; - nadvert->opt_len = 1; - memcpy ( nadvert->opt_ll_addr, ll_addr, 6 ); - struct ip6_header *ip6hdr = iob_push ( rxiobuf, sizeof ( *ip6hdr ) ); - ip6hdr->ver_traffic_class_flow_label = htonl ( 0x60000000 ); - ip6hdr->hop_limit = 255; - ip6hdr->nxt_hdr = 58; - ip6hdr->payload_len = htons ( sizeof ( *nadvert ) ); - ip6hdr->src = server.sin6_addr; - ip6hdr->dest = server.sin6_addr; - hex_dump ( rxiobuf->data, iob_len ( rxiobuf ) ); - net_rx ( rxiobuf, netdev, htons ( ETH_P_IPV6 ), ll_addr ); -} -#endif - -/** ICMP6 protocol */ -struct tcpip_protocol icmp6_protocol __tcpip_protocol = { - .name = "ICMP6", - .rx = icmp6_rx, - .tcpip_proto = IP_ICMP6, // 58 -}; |