diff options
Diffstat (limited to 'qemu/slirp/ndp_table.c')
-rw-r--r-- | qemu/slirp/ndp_table.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/qemu/slirp/ndp_table.c b/qemu/slirp/ndp_table.c deleted file mode 100644 index 9d4c39b45..000000000 --- a/qemu/slirp/ndp_table.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - * Copyright (c) 2013 - * Guillaume Subiron, Yann Bordenave, Serigne Modou Wagne. - */ - -#include "qemu/osdep.h" -#include "qemu-common.h" -#include "slirp.h" - -void ndp_table_add(Slirp *slirp, struct in6_addr ip_addr, - uint8_t ethaddr[ETH_ALEN]) -{ - NdpTable *ndp_table = &slirp->ndp_table; - int i; - - DEBUG_CALL("ndp_table_add"); -#if !defined(_WIN32) || (_WIN32_WINNT >= 0x0600) - char addrstr[INET6_ADDRSTRLEN]; - inet_ntop(AF_INET6, &(ip_addr), addrstr, INET6_ADDRSTRLEN); - DEBUG_ARG("ip = %s", addrstr); -#endif - DEBUG_ARGS((dfd, " hw addr = %02x:%02x:%02x:%02x:%02x:%02x\n", - ethaddr[0], ethaddr[1], ethaddr[2], - ethaddr[3], ethaddr[4], ethaddr[5])); - - if (IN6_IS_ADDR_MULTICAST(&ip_addr) || IN6_IS_ADDR_UNSPECIFIED(&ip_addr)) { - /* Do not register multicast or unspecified addresses */ - DEBUG_CALL(" abort: do not register multicast or unspecified address"); - return; - } - - /* Search for an entry */ - for (i = 0; i < NDP_TABLE_SIZE; i++) { - if (in6_equal(&ndp_table->table[i].ip_addr, &ip_addr)) { - DEBUG_CALL(" already in table: update the entry"); - /* Update the entry */ - memcpy(ndp_table->table[i].eth_addr, ethaddr, ETH_ALEN); - return; - } - } - - /* No entry found, create a new one */ - DEBUG_CALL(" create new entry"); - ndp_table->table[ndp_table->next_victim].ip_addr = ip_addr; - memcpy(ndp_table->table[ndp_table->next_victim].eth_addr, - ethaddr, ETH_ALEN); - ndp_table->next_victim = (ndp_table->next_victim + 1) % NDP_TABLE_SIZE; -} - -bool ndp_table_search(Slirp *slirp, struct in6_addr ip_addr, - uint8_t out_ethaddr[ETH_ALEN]) -{ - NdpTable *ndp_table = &slirp->ndp_table; - int i; - - DEBUG_CALL("ndp_table_search"); -#if !defined(_WIN32) || (_WIN32_WINNT >= 0x0600) - char addrstr[INET6_ADDRSTRLEN]; - inet_ntop(AF_INET6, &(ip_addr), addrstr, INET6_ADDRSTRLEN); - DEBUG_ARG("ip = %s", addrstr); -#endif - - assert(!IN6_IS_ADDR_UNSPECIFIED(&ip_addr)); - - /* Multicast address: fec0::abcd:efgh/8 -> 33:33:ab:cd:ef:gh */ - if (IN6_IS_ADDR_MULTICAST(&ip_addr)) { - out_ethaddr[0] = 0x33; out_ethaddr[1] = 0x33; - out_ethaddr[2] = ip_addr.s6_addr[12]; - out_ethaddr[3] = ip_addr.s6_addr[13]; - out_ethaddr[4] = ip_addr.s6_addr[14]; - out_ethaddr[5] = ip_addr.s6_addr[15]; - DEBUG_ARGS((dfd, " multicast addr = %02x:%02x:%02x:%02x:%02x:%02x\n", - out_ethaddr[0], out_ethaddr[1], out_ethaddr[2], - out_ethaddr[3], out_ethaddr[4], out_ethaddr[5])); - return 1; - } - - for (i = 0; i < NDP_TABLE_SIZE; i++) { - if (in6_equal(&ndp_table->table[i].ip_addr, &ip_addr)) { - memcpy(out_ethaddr, ndp_table->table[i].eth_addr, ETH_ALEN); - DEBUG_ARGS((dfd, " found hw addr = %02x:%02x:%02x:%02x:%02x:%02x\n", - out_ethaddr[0], out_ethaddr[1], out_ethaddr[2], - out_ethaddr[3], out_ethaddr[4], out_ethaddr[5])); - return 1; - } - } - - DEBUG_CALL(" ip not found in table"); - return 0; -} |