syscall_netadd-net.hc (1667B)
1 // $Id$ --*- c -*-- 2 3 // Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de> 4 // 5 // This program is free software; you can redistribute it and/or modify 6 // it under the terms of the GNU General Public License as published by 7 // the Free Software Foundation; version 2 of the License. 8 // 9 // This program is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with this program; if not, write to the Free Software 16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 18 19 #ifdef HAVE_CONFIG_H 20 # include <config.h> 21 #endif 22 23 static inline ALWAYSINLINE int 24 vc_net_add_net(nid_t nid, struct vc_net_addr const *info) 25 { 26 struct vcmd_net_addr_v0 k_info; 27 size_t i; 28 29 k_info.type = info->vna_type & (VC_NXA_TYPE_IPV4|VC_NXA_TYPE_IPV6|VC_NXA_MOD_BCAST); 30 k_info.count = 1; 31 32 if ((k_info.type | VC_NXA_TYPE_ADDR) != info->vna_type) { 33 errno = EINVAL; 34 return -1; 35 } 36 37 switch (k_info.type) { 38 case VC_NXA_TYPE_IPV4: 39 case VC_NXA_TYPE_IPV4 | VC_NXA_MOD_BCAST: 40 k_info.ip[0].s_addr = info->vna_v4_ip.s_addr; 41 k_info.mask[0].s_addr = info->vna_v4_mask.s_addr; 42 break; 43 case VC_NXA_TYPE_IPV6: 44 for (i = 0; i < 4; i++) 45 k_info.ip[i].s_addr = info->vna_v6_ip.s6_addr32[i]; 46 k_info.mask[0].s_addr = info->vna_prefix; 47 break; 48 } 49 50 return vserver(VCMD_net_add_v0, NID_USER2KERNEL(nid), &k_info); 51 }