queue_msg.c revision 8a3efffa5b3fde252675239914118664d36a2c24
1e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy/* 2e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy * lib/netfilter/queue_msg.c Netfilter Queue Messages 3e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy * 4e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy * This library is free software; you can redistribute it and/or 5e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy * modify it under the terms of the GNU Lesser General Public 6e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy * License as published by the Free Software Foundation version 2.1 7e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy * of the License. 8e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy * 9e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy * Copyright (c) 2007, 2008 Patrick McHardy <kaber@trash.net> 10e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy */ 11e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 12e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy/** 13e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy * @ingroup nfnl 14e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy * @defgroup queue Queue 15e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy * @brief 16e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy * @{ 17e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy */ 18e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 19e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy#include <sys/types.h> 20e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy#include <linux/netfilter/nfnetlink_queue.h> 21e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 22e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy#include <netlink-local.h> 23e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy#include <netlink/attr.h> 24e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy#include <netlink/netfilter/nfnl.h> 25e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy#include <netlink/netfilter/queue_msg.h> 26e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 27e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardystatic struct nl_cache_ops nfnl_queue_msg_ops; 28e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 29e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy#if __BYTE_ORDER == __BIG_ENDIAN 30e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardystatic uint64_t ntohll(uint64_t x) 31e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy{ 32e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy return x; 33e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy} 34e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy#elif __BYTE_ORDER == __LITTLE_ENDIAN 35e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardystatic uint64_t ntohll(uint64_t x) 36e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy{ 37e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy return __bswap_64(x); 38e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy} 39e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy#endif 40e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 41e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardystatic struct nla_policy queue_policy[NFQA_MAX+1] = { 42e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy [NFQA_PACKET_HDR] = { 43e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy .minlen = sizeof(struct nfqnl_msg_packet_hdr), 44e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy }, 45e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy [NFQA_VERDICT_HDR] = { 46e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy .minlen = sizeof(struct nfqnl_msg_verdict_hdr), 47e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy }, 48e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy [NFQA_MARK] = { .type = NLA_U32 }, 49e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy [NFQA_TIMESTAMP] = { 50e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy .minlen = sizeof(struct nfqnl_msg_packet_timestamp), 51e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy }, 52e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy [NFQA_IFINDEX_INDEV] = { .type = NLA_U32 }, 53e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy [NFQA_IFINDEX_OUTDEV] = { .type = NLA_U32 }, 54e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy [NFQA_IFINDEX_PHYSINDEV] = { .type = NLA_U32 }, 55e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy [NFQA_IFINDEX_PHYSOUTDEV] = { .type = NLA_U32 }, 56e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy [NFQA_HWADDR] = { 570c2cb97924c4ab22f525d2419cf2e8ed9927541cThomas Graf .minlen = sizeof(struct nfqnl_msg_packet_hw), 58e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy }, 59e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy}; 60e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 618a3efffa5b3fde252675239914118664d36a2c24Thomas Grafint nfnlmsg_queue_msg_parse(struct nlmsghdr *nlh, 628a3efffa5b3fde252675239914118664d36a2c24Thomas Graf struct nfnl_queue_msg **result) 63e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy{ 64e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy struct nfnl_queue_msg *msg; 65e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy struct nlattr *tb[NFQA_MAX+1]; 66e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy struct nlattr *attr; 67e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy int err; 68e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 69e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy msg = nfnl_queue_msg_alloc(); 70e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (!msg) 718a3efffa5b3fde252675239914118664d36a2c24Thomas Graf return -NLE_NOMEM; 72e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 73e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy msg->ce_msgtype = nlh->nlmsg_type; 74e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 75e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy err = nlmsg_parse(nlh, sizeof(struct nfgenmsg), tb, NFQA_MAX, 76e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy queue_policy); 77e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (err < 0) 78e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy goto errout; 79e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 80e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_set_group(msg, nfnlmsg_res_id(nlh)); 81e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_set_family(msg, nfnlmsg_family(nlh)); 82e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 83e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy attr = tb[NFQA_PACKET_HDR]; 84e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (attr) { 85e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy struct nfqnl_msg_packet_hdr *hdr = nla_data(attr); 86e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 87e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_set_packetid(msg, ntohl(hdr->packet_id)); 88e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (hdr->hw_protocol) 89e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_set_hwproto(msg, hdr->hw_protocol); 90e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_set_hook(msg, hdr->hook); 91e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy } 92e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 93e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy attr = tb[NFQA_MARK]; 94e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (attr) 95e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_set_mark(msg, ntohl(nla_get_u32(attr))); 96e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 97e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy attr = tb[NFQA_TIMESTAMP]; 98e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (attr) { 99e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy struct nfqnl_msg_packet_timestamp *timestamp = nla_data(attr); 100e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy struct timeval tv; 101e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 102e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy tv.tv_sec = ntohll(timestamp->sec); 103e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy tv.tv_usec = ntohll(timestamp->usec); 104e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_set_timestamp(msg, &tv); 105e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy } 106e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 107e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy attr = tb[NFQA_IFINDEX_INDEV]; 108e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (attr) 109e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_set_indev(msg, ntohl(nla_get_u32(attr))); 110e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 111e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy attr = tb[NFQA_IFINDEX_OUTDEV]; 112e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (attr) 113e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_set_outdev(msg, ntohl(nla_get_u32(attr))); 114e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 115e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy attr = tb[NFQA_IFINDEX_PHYSINDEV]; 116e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (attr) 117e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_set_physindev(msg, ntohl(nla_get_u32(attr))); 118e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 119e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy attr = tb[NFQA_IFINDEX_PHYSOUTDEV]; 120e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (attr) 121e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_set_physoutdev(msg, ntohl(nla_get_u32(attr))); 122e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 123e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy attr = tb[NFQA_HWADDR]; 124e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (attr) { 125e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy struct nfqnl_msg_packet_hw *hw = nla_data(attr); 126e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 127e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_set_hwaddr(msg, hw->hw_addr, 128e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy ntohs(hw->hw_addrlen)); 129e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy } 130e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 131e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy attr = tb[NFQA_PAYLOAD]; 132e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (attr) { 133e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy err = nfnl_queue_msg_set_payload(msg, nla_data(attr), 134e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nla_len(attr)); 135e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (err < 0) 136e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy goto errout; 137e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy } 138e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 1398a3efffa5b3fde252675239914118664d36a2c24Thomas Graf *result = msg; 1408a3efffa5b3fde252675239914118664d36a2c24Thomas Graf return 0; 141e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 142e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardyerrout: 143e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_put(msg); 1448a3efffa5b3fde252675239914118664d36a2c24Thomas Graf return err; 145e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy} 146e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 147e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardystatic int queue_msg_parser(struct nl_cache_ops *ops, struct sockaddr_nl *who, 148e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy struct nlmsghdr *nlh, struct nl_parser_param *pp) 149e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy{ 150e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy struct nfnl_queue_msg *msg; 151e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy int err; 152e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 1538a3efffa5b3fde252675239914118664d36a2c24Thomas Graf if ((err = nfnlmsg_queue_msg_parse(nlh, &msg)) < 0) 1548a3efffa5b3fde252675239914118664d36a2c24Thomas Graf goto errout; 155e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 156e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy err = pp->pp_cb((struct nl_object *) msg, pp); 157e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (err < 0) 158e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy goto errout; 159e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 160e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy err = P_ACCEPT; 161e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 162e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardyerrout: 163e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_put(msg); 164e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy return err; 165e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy} 166e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 167e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy/** @} */ 168e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 169e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardystruct nl_msg *nfnl_queue_msg_build_verdict(const struct nfnl_queue_msg *msg) 170e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy{ 171e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy struct nl_msg *nlmsg; 172e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy struct nfqnl_msg_verdict_hdr verdict; 173e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 174e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nlmsg = nfnlmsg_alloc_simple(NFNL_SUBSYS_QUEUE, NFQNL_MSG_VERDICT, 0, 175e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_get_family(msg), 176e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nfnl_queue_msg_get_group(msg)); 177e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (nlmsg == NULL) 178e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy return NULL; 179e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 180e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy verdict.id = htonl(nfnl_queue_msg_get_packetid(msg)); 181e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy verdict.verdict = htonl(nfnl_queue_msg_get_verdict(msg)); 182e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (nla_put(nlmsg, NFQA_VERDICT_HDR, sizeof(verdict), &verdict) < 0) 183e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy goto nla_put_failure; 184e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 185e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (nfnl_queue_msg_test_mark(msg) && 186e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nla_put_u32(nlmsg, NFQA_MARK, 187e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy ntohl(nfnl_queue_msg_get_mark(msg))) < 0) 188e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy goto nla_put_failure; 189e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 190e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy return nlmsg; 191e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 192e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardynla_put_failure: 193e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nlmsg_free(nlmsg); 194e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy return NULL; 195e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy} 196e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 197e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardyint nfnl_queue_msg_send_verdict(struct nl_handle *nlh, 198e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy const struct nfnl_queue_msg *msg) 199e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy{ 200e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy struct nl_msg *nlmsg; 201e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy int err; 202e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 203e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nlmsg = nfnl_queue_msg_build_verdict(msg); 204e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (nlmsg == NULL) 2058a3efffa5b3fde252675239914118664d36a2c24Thomas Graf return -NLE_NOMEM; 206e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 207e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy err = nl_send_auto_complete(nlh, nlmsg); 208e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nlmsg_free(nlmsg); 209e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy if (err < 0) 210e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy return err; 211e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy return nl_wait_for_ack(nlh); 212e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy} 213e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 214e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy#define NFNLMSG_QUEUE_TYPE(type) NFNLMSG_TYPE(NFNL_SUBSYS_QUEUE, (type)) 215e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardystatic struct nl_cache_ops nfnl_queue_msg_ops = { 216e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy .co_name = "netfilter/queue_msg", 217e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy .co_hdrsize = NFNL_HDRLEN, 218e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy .co_msgtypes = { 219e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy { NFNLMSG_QUEUE_TYPE(NFQNL_MSG_PACKET), NL_ACT_NEW, "new" }, 220e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy END_OF_MSGTYPES_LIST, 221e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy }, 222e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy .co_protocol = NETLINK_NETFILTER, 223e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy .co_msg_parser = queue_msg_parser, 224e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy .co_obj_ops = &queue_msg_obj_ops, 225e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy}; 226e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 227e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardystatic void __init nfnl_msg_queue_init(void) 228e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy{ 229e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nl_cache_mngt_register(&nfnl_queue_msg_ops); 230e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy} 231e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 232e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardystatic void __exit nfnl_queue_msg_exit(void) 233e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy{ 234e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy nl_cache_mngt_unregister(&nfnl_queue_msg_ops); 235e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy} 236e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy 237e72cb033f2f7323b63f3e640a37e7a75558ab128Patrick McHardy/** @} */ 238