1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 3 #ifndef _LINUX_DROPREASON_CORE_H 4 #define _LINUX_DROPREASON_CORE_H 5 6 #define DEFINE_DROP_REASON(FN, FNe) \ 7 FN(NOT_SPECIFIED) \ 8 FN(NO_SOCKET) \ 9 FN(PKT_TOO_SMALL) \ 10 FN(TCP_CSUM) \ 11 FN(SOCKET_FILTER) \ 12 FN(UDP_CSUM) \ 13 FN(NETFILTER_DROP) \ 14 FN(OTHERHOST) \ 15 FN(IP_CSUM) \ 16 FN(IP_INHDR) \ 17 FN(IP_RPFILTER) \ 18 FN(UNICAST_IN_L2_MULTICAST) \ 19 FN(XFRM_POLICY) \ 20 FN(IP_NOPROTO) \ 21 FN(SOCKET_RCVBUFF) \ 22 FN(PROTO_MEM) \ 23 FN(TCP_AUTH_HDR) \ 24 FN(TCP_MD5NOTFOUND) \ 25 FN(TCP_MD5UNEXPECTED) \ 26 FN(TCP_MD5FAILURE) \ 27 FN(TCP_AONOTFOUND) \ 28 FN(TCP_AOUNEXPECTED) \ 29 FN(TCP_AOKEYNOTFOUND) \ 30 FN(TCP_AOFAILURE) \ 31 FN(SOCKET_BACKLOG) \ 32 FN(TCP_FLAGS) \ 33 FN(TCP_ABORT_ON_DATA) \ 34 FN(TCP_ZEROWINDOW) \ 35 FN(TCP_OLD_DATA) \ 36 FN(TCP_OVERWINDOW) \ 37 FN(TCP_OFOMERGE) \ 38 FN(TCP_RFC7323_PAWS) \ 39 FN(TCP_OLD_SEQUENCE) \ 40 FN(TCP_INVALID_SEQUENCE) \ 41 FN(TCP_INVALID_ACK_SEQUENCE) \ 42 FN(TCP_RESET) \ 43 FN(TCP_INVALID_SYN) \ 44 FN(TCP_CLOSE) \ 45 FN(TCP_FASTOPEN) \ 46 FN(TCP_OLD_ACK) \ 47 FN(TCP_TOO_OLD_ACK) \ 48 FN(TCP_ACK_UNSENT_DATA) \ 49 FN(TCP_OFO_QUEUE_PRUNE) \ 50 FN(TCP_OFO_DROP) \ 51 FN(IP_OUTNOROUTES) \ 52 FN(BPF_CGROUP_EGRESS) \ 53 FN(IPV6DISABLED) \ 54 FN(NEIGH_CREATEFAIL) \ 55 FN(NEIGH_FAILED) \ 56 FN(NEIGH_QUEUEFULL) \ 57 FN(NEIGH_DEAD) \ 58 FN(TC_EGRESS) \ 59 FN(SECURITY_HOOK) \ 60 FN(QDISC_DROP) \ 61 FN(CPU_BACKLOG) \ 62 FN(XDP) \ 63 FN(TC_INGRESS) \ 64 FN(UNHANDLED_PROTO) \ 65 FN(SKB_CSUM) \ 66 FN(SKB_GSO_SEG) \ 67 FN(SKB_UCOPY_FAULT) \ 68 FN(DEV_HDR) \ 69 FN(DEV_READY) \ 70 FN(FULL_RING) \ 71 FN(NOMEM) \ 72 FN(HDR_TRUNC) \ 73 FN(TAP_FILTER) \ 74 FN(TAP_TXFILTER) \ 75 FN(ICMP_CSUM) \ 76 FN(INVALID_PROTO) \ 77 FN(IP_INADDRERRORS) \ 78 FN(IP_INNOROUTES) \ 79 FN(PKT_TOO_BIG) \ 80 FN(DUP_FRAG) \ 81 FN(FRAG_REASM_TIMEOUT) \ 82 FN(FRAG_TOO_FAR) \ 83 FN(TCP_MINTTL) \ 84 FN(IPV6_BAD_EXTHDR) \ 85 FN(IPV6_NDISC_FRAG) \ 86 FN(IPV6_NDISC_HOP_LIMIT) \ 87 FN(IPV6_NDISC_BAD_CODE) \ 88 FN(IPV6_NDISC_BAD_OPTIONS) \ 89 FN(IPV6_NDISC_NS_OTHERHOST) \ 90 FN(QUEUE_PURGE) \ 91 FN(TC_COOKIE_ERROR) \ 92 FN(PACKET_SOCK_ERROR) \ 93 FN(TC_CHAIN_NOTFOUND) \ 94 FN(TC_RECLASSIFY_LOOP) \ 95 FNe(MAX) 96 97 /** 98 * enum skb_drop_reason - the reasons of skb drops 99 * 100 * The reason of skb drop, which is used in kfree_skb_reason(). 101 */ 102 enum skb_drop_reason { 103 /** 104 * @SKB_NOT_DROPPED_YET: skb is not dropped yet (used for no-drop case) 105 */ 106 SKB_NOT_DROPPED_YET = 0, 107 /** @SKB_CONSUMED: packet has been consumed */ 108 SKB_CONSUMED, 109 /** @SKB_DROP_REASON_NOT_SPECIFIED: drop reason is not specified */ 110 SKB_DROP_REASON_NOT_SPECIFIED, 111 /** 112 * @SKB_DROP_REASON_NO_SOCKET: no valid socket that can be used. 113 * Reason could be one of three cases: 114 * 1) no established/listening socket found during lookup process 115 * 2) no valid request socket during 3WHS process 116 * 3) no valid child socket during 3WHS process 117 */ 118 SKB_DROP_REASON_NO_SOCKET, 119 /** @SKB_DROP_REASON_PKT_TOO_SMALL: packet size is too small */ 120 SKB_DROP_REASON_PKT_TOO_SMALL, 121 /** @SKB_DROP_REASON_TCP_CSUM: TCP checksum error */ 122 SKB_DROP_REASON_TCP_CSUM, 123 /** @SKB_DROP_REASON_SOCKET_FILTER: dropped by socket filter */ 124 SKB_DROP_REASON_SOCKET_FILTER, 125 /** @SKB_DROP_REASON_UDP_CSUM: UDP checksum error */ 126 SKB_DROP_REASON_UDP_CSUM, 127 /** @SKB_DROP_REASON_NETFILTER_DROP: dropped by netfilter */ 128 SKB_DROP_REASON_NETFILTER_DROP, 129 /** 130 * @SKB_DROP_REASON_OTHERHOST: packet don't belong to current host 131 * (interface is in promisc mode) 132 */ 133 SKB_DROP_REASON_OTHERHOST, 134 /** @SKB_DROP_REASON_IP_CSUM: IP checksum error */ 135 SKB_DROP_REASON_IP_CSUM, 136 /** 137 * @SKB_DROP_REASON_IP_INHDR: there is something wrong with IP header (see 138 * IPSTATS_MIB_INHDRERRORS) 139 */ 140 SKB_DROP_REASON_IP_INHDR, 141 /** 142 * @SKB_DROP_REASON_IP_RPFILTER: IP rpfilter validate failed. see the 143 * document for rp_filter in ip-sysctl.rst for more information 144 */ 145 SKB_DROP_REASON_IP_RPFILTER, 146 /** 147 * @SKB_DROP_REASON_UNICAST_IN_L2_MULTICAST: destination address of L2 is 148 * multicast, but L3 is unicast. 149 */ 150 SKB_DROP_REASON_UNICAST_IN_L2_MULTICAST, 151 /** @SKB_DROP_REASON_XFRM_POLICY: xfrm policy check failed */ 152 SKB_DROP_REASON_XFRM_POLICY, 153 /** @SKB_DROP_REASON_IP_NOPROTO: no support for IP protocol */ 154 SKB_DROP_REASON_IP_NOPROTO, 155 /** @SKB_DROP_REASON_SOCKET_RCVBUFF: socket receive buff is full */ 156 SKB_DROP_REASON_SOCKET_RCVBUFF, 157 /** 158 * @SKB_DROP_REASON_PROTO_MEM: proto memory limition, such as udp packet 159 * drop out of udp_memory_allocated. 160 */ 161 SKB_DROP_REASON_PROTO_MEM, 162 /** 163 * @SKB_DROP_REASON_TCP_AUTH_HDR: TCP-MD5 or TCP-AO hashes are met 164 * twice or set incorrectly. 165 */ 166 SKB_DROP_REASON_TCP_AUTH_HDR, 167 /** 168 * @SKB_DROP_REASON_TCP_MD5NOTFOUND: no MD5 hash and one expected, 169 * corresponding to LINUX_MIB_TCPMD5NOTFOUND 170 */ 171 SKB_DROP_REASON_TCP_MD5NOTFOUND, 172 /** 173 * @SKB_DROP_REASON_TCP_MD5UNEXPECTED: MD5 hash and we're not expecting 174 * one, corresponding to LINUX_MIB_TCPMD5UNEXPECTED 175 */ 176 SKB_DROP_REASON_TCP_MD5UNEXPECTED, 177 /** 178 * @SKB_DROP_REASON_TCP_MD5FAILURE: MD5 hash and its wrong, corresponding 179 * to LINUX_MIB_TCPMD5FAILURE 180 */ 181 SKB_DROP_REASON_TCP_MD5FAILURE, 182 /** 183 * @SKB_DROP_REASON_TCP_AONOTFOUND: no TCP-AO hash and one was expected, 184 * corresponding to LINUX_MIB_TCPAOREQUIRED 185 */ 186 SKB_DROP_REASON_TCP_AONOTFOUND, 187 /** 188 * @SKB_DROP_REASON_TCP_AOUNEXPECTED: TCP-AO hash is present and it 189 * was not expected, corresponding to LINUX_MIB_TCPAOKEYNOTFOUND 190 */ 191 SKB_DROP_REASON_TCP_AOUNEXPECTED, 192 /** 193 * @SKB_DROP_REASON_TCP_AOKEYNOTFOUND: TCP-AO key is unknown, 194 * corresponding to LINUX_MIB_TCPAOKEYNOTFOUND 195 */ 196 SKB_DROP_REASON_TCP_AOKEYNOTFOUND, 197 /** 198 * @SKB_DROP_REASON_TCP_AOFAILURE: TCP-AO hash is wrong, 199 * corresponding to LINUX_MIB_TCPAOBAD 200 */ 201 SKB_DROP_REASON_TCP_AOFAILURE, 202 /** 203 * @SKB_DROP_REASON_SOCKET_BACKLOG: failed to add skb to socket backlog ( 204 * see LINUX_MIB_TCPBACKLOGDROP) 205 */ 206 SKB_DROP_REASON_SOCKET_BACKLOG, 207 /** @SKB_DROP_REASON_TCP_FLAGS: TCP flags invalid */ 208 SKB_DROP_REASON_TCP_FLAGS, 209 /** 210 * @SKB_DROP_REASON_TCP_ABORT_ON_DATA: abort on data, corresponding to 211 * LINUX_MIB_TCPABORTONDATA 212 */ 213 SKB_DROP_REASON_TCP_ABORT_ON_DATA, 214 /** 215 * @SKB_DROP_REASON_TCP_ZEROWINDOW: TCP receive window size is zero, 216 * see LINUX_MIB_TCPZEROWINDOWDROP 217 */ 218 SKB_DROP_REASON_TCP_ZEROWINDOW, 219 /** 220 * @SKB_DROP_REASON_TCP_OLD_DATA: the TCP data reveived is already 221 * received before (spurious retrans may happened), see 222 * LINUX_MIB_DELAYEDACKLOST 223 */ 224 SKB_DROP_REASON_TCP_OLD_DATA, 225 /** 226 * @SKB_DROP_REASON_TCP_OVERWINDOW: the TCP data is out of window, 227 * the seq of the first byte exceed the right edges of receive 228 * window 229 */ 230 SKB_DROP_REASON_TCP_OVERWINDOW, 231 /** 232 * @SKB_DROP_REASON_TCP_OFOMERGE: the data of skb is already in the ofo 233 * queue, corresponding to LINUX_MIB_TCPOFOMERGE 234 */ 235 SKB_DROP_REASON_TCP_OFOMERGE, 236 /** 237 * @SKB_DROP_REASON_TCP_RFC7323_PAWS: PAWS check, corresponding to 238 * LINUX_MIB_PAWSESTABREJECTED, LINUX_MIB_PAWSACTIVEREJECTED 239 */ 240 SKB_DROP_REASON_TCP_RFC7323_PAWS, 241 /** @SKB_DROP_REASON_TCP_OLD_SEQUENCE: Old SEQ field (duplicate packet) */ 242 SKB_DROP_REASON_TCP_OLD_SEQUENCE, 243 /** @SKB_DROP_REASON_TCP_INVALID_SEQUENCE: Not acceptable SEQ field */ 244 SKB_DROP_REASON_TCP_INVALID_SEQUENCE, 245 /** 246 * @SKB_DROP_REASON_TCP_INVALID_ACK_SEQUENCE: Not acceptable ACK SEQ 247 * field because ack sequence is not in the window between snd_una 248 * and snd_nxt 249 */ 250 SKB_DROP_REASON_TCP_INVALID_ACK_SEQUENCE, 251 /** @SKB_DROP_REASON_TCP_RESET: Invalid RST packet */ 252 SKB_DROP_REASON_TCP_RESET, 253 /** 254 * @SKB_DROP_REASON_TCP_INVALID_SYN: Incoming packet has unexpected 255 * SYN flag 256 */ 257 SKB_DROP_REASON_TCP_INVALID_SYN, 258 /** @SKB_DROP_REASON_TCP_CLOSE: TCP socket in CLOSE state */ 259 SKB_DROP_REASON_TCP_CLOSE, 260 /** @SKB_DROP_REASON_TCP_FASTOPEN: dropped by FASTOPEN request socket */ 261 SKB_DROP_REASON_TCP_FASTOPEN, 262 /** @SKB_DROP_REASON_TCP_OLD_ACK: TCP ACK is old, but in window */ 263 SKB_DROP_REASON_TCP_OLD_ACK, 264 /** @SKB_DROP_REASON_TCP_TOO_OLD_ACK: TCP ACK is too old */ 265 SKB_DROP_REASON_TCP_TOO_OLD_ACK, 266 /** 267 * @SKB_DROP_REASON_TCP_ACK_UNSENT_DATA: TCP ACK for data we haven't 268 * sent yet 269 */ 270 SKB_DROP_REASON_TCP_ACK_UNSENT_DATA, 271 /** @SKB_DROP_REASON_TCP_OFO_QUEUE_PRUNE: pruned from TCP OFO queue */ 272 SKB_DROP_REASON_TCP_OFO_QUEUE_PRUNE, 273 /** @SKB_DROP_REASON_TCP_OFO_DROP: data already in receive queue */ 274 SKB_DROP_REASON_TCP_OFO_DROP, 275 /** @SKB_DROP_REASON_IP_OUTNOROUTES: route lookup failed */ 276 SKB_DROP_REASON_IP_OUTNOROUTES, 277 /** 278 * @SKB_DROP_REASON_BPF_CGROUP_EGRESS: dropped by BPF_PROG_TYPE_CGROUP_SKB 279 * eBPF program 280 */ 281 SKB_DROP_REASON_BPF_CGROUP_EGRESS, 282 /** @SKB_DROP_REASON_IPV6DISABLED: IPv6 is disabled on the device */ 283 SKB_DROP_REASON_IPV6DISABLED, 284 /** @SKB_DROP_REASON_NEIGH_CREATEFAIL: failed to create neigh entry */ 285 SKB_DROP_REASON_NEIGH_CREATEFAIL, 286 /** @SKB_DROP_REASON_NEIGH_FAILED: neigh entry in failed state */ 287 SKB_DROP_REASON_NEIGH_FAILED, 288 /** @SKB_DROP_REASON_NEIGH_QUEUEFULL: arp_queue for neigh entry is full */ 289 SKB_DROP_REASON_NEIGH_QUEUEFULL, 290 /** @SKB_DROP_REASON_NEIGH_DEAD: neigh entry is dead */ 291 SKB_DROP_REASON_NEIGH_DEAD, 292 /** @SKB_DROP_REASON_TC_EGRESS: dropped in TC egress HOOK */ 293 SKB_DROP_REASON_TC_EGRESS, 294 /** @SKB_DROP_REASON_SECURITY_HOOK: dropped due to security HOOK */ 295 SKB_DROP_REASON_SECURITY_HOOK, 296 /** 297 * @SKB_DROP_REASON_QDISC_DROP: dropped by qdisc when packet outputting ( 298 * failed to enqueue to current qdisc) 299 */ 300 SKB_DROP_REASON_QDISC_DROP, 301 /** 302 * @SKB_DROP_REASON_CPU_BACKLOG: failed to enqueue the skb to the per CPU 303 * backlog queue. This can be caused by backlog queue full (see 304 * netdev_max_backlog in net.rst) or RPS flow limit 305 */ 306 SKB_DROP_REASON_CPU_BACKLOG, 307 /** @SKB_DROP_REASON_XDP: dropped by XDP in input path */ 308 SKB_DROP_REASON_XDP, 309 /** @SKB_DROP_REASON_TC_INGRESS: dropped in TC ingress HOOK */ 310 SKB_DROP_REASON_TC_INGRESS, 311 /** @SKB_DROP_REASON_UNHANDLED_PROTO: protocol not implemented or not supported */ 312 SKB_DROP_REASON_UNHANDLED_PROTO, 313 /** @SKB_DROP_REASON_SKB_CSUM: sk_buff checksum computation error */ 314 SKB_DROP_REASON_SKB_CSUM, 315 /** @SKB_DROP_REASON_SKB_GSO_SEG: gso segmentation error */ 316 SKB_DROP_REASON_SKB_GSO_SEG, 317 /** 318 * @SKB_DROP_REASON_SKB_UCOPY_FAULT: failed to copy data from user space, 319 * e.g., via zerocopy_sg_from_iter() or skb_orphan_frags_rx() 320 */ 321 SKB_DROP_REASON_SKB_UCOPY_FAULT, 322 /** @SKB_DROP_REASON_DEV_HDR: device driver specific header/metadata is invalid */ 323 SKB_DROP_REASON_DEV_HDR, 324 /** 325 * @SKB_DROP_REASON_DEV_READY: the device is not ready to xmit/recv due to 326 * any of its data structure that is not up/ready/initialized, 327 * e.g., the IFF_UP is not set, or driver specific tun->tfiles[txq] 328 * is not initialized 329 */ 330 SKB_DROP_REASON_DEV_READY, 331 /** @SKB_DROP_REASON_FULL_RING: ring buffer is full */ 332 SKB_DROP_REASON_FULL_RING, 333 /** @SKB_DROP_REASON_NOMEM: error due to OOM */ 334 SKB_DROP_REASON_NOMEM, 335 /** 336 * @SKB_DROP_REASON_HDR_TRUNC: failed to trunc/extract the header from 337 * networking data, e.g., failed to pull the protocol header from 338 * frags via pskb_may_pull() 339 */ 340 SKB_DROP_REASON_HDR_TRUNC, 341 /** 342 * @SKB_DROP_REASON_TAP_FILTER: dropped by (ebpf) filter directly attached 343 * to tun/tap, e.g., via TUNSETFILTEREBPF 344 */ 345 SKB_DROP_REASON_TAP_FILTER, 346 /** 347 * @SKB_DROP_REASON_TAP_TXFILTER: dropped by tx filter implemented at 348 * tun/tap, e.g., check_filter() 349 */ 350 SKB_DROP_REASON_TAP_TXFILTER, 351 /** @SKB_DROP_REASON_ICMP_CSUM: ICMP checksum error */ 352 SKB_DROP_REASON_ICMP_CSUM, 353 /** 354 * @SKB_DROP_REASON_INVALID_PROTO: the packet doesn't follow RFC 2211, 355 * such as a broadcasts ICMP_TIMESTAMP 356 */ 357 SKB_DROP_REASON_INVALID_PROTO, 358 /** 359 * @SKB_DROP_REASON_IP_INADDRERRORS: host unreachable, corresponding to 360 * IPSTATS_MIB_INADDRERRORS 361 */ 362 SKB_DROP_REASON_IP_INADDRERRORS, 363 /** 364 * @SKB_DROP_REASON_IP_INNOROUTES: network unreachable, corresponding to 365 * IPSTATS_MIB_INADDRERRORS 366 */ 367 SKB_DROP_REASON_IP_INNOROUTES, 368 /** 369 * @SKB_DROP_REASON_PKT_TOO_BIG: packet size is too big (maybe exceed the 370 * MTU) 371 */ 372 SKB_DROP_REASON_PKT_TOO_BIG, 373 /** @SKB_DROP_REASON_DUP_FRAG: duplicate fragment */ 374 SKB_DROP_REASON_DUP_FRAG, 375 /** @SKB_DROP_REASON_FRAG_REASM_TIMEOUT: fragment reassembly timeout */ 376 SKB_DROP_REASON_FRAG_REASM_TIMEOUT, 377 /** 378 * @SKB_DROP_REASON_FRAG_TOO_FAR: ipv4 fragment too far. 379 * (/proc/sys/net/ipv4/ipfrag_max_dist) 380 */ 381 SKB_DROP_REASON_FRAG_TOO_FAR, 382 /** 383 * @SKB_DROP_REASON_TCP_MINTTL: ipv4 ttl or ipv6 hoplimit below 384 * the threshold (IP_MINTTL or IPV6_MINHOPCOUNT). 385 */ 386 SKB_DROP_REASON_TCP_MINTTL, 387 /** @SKB_DROP_REASON_IPV6_BAD_EXTHDR: Bad IPv6 extension header. */ 388 SKB_DROP_REASON_IPV6_BAD_EXTHDR, 389 /** @SKB_DROP_REASON_IPV6_NDISC_FRAG: invalid frag (suppress_frag_ndisc). */ 390 SKB_DROP_REASON_IPV6_NDISC_FRAG, 391 /** @SKB_DROP_REASON_IPV6_NDISC_HOP_LIMIT: invalid hop limit. */ 392 SKB_DROP_REASON_IPV6_NDISC_HOP_LIMIT, 393 /** @SKB_DROP_REASON_IPV6_NDISC_BAD_CODE: invalid NDISC icmp6 code. */ 394 SKB_DROP_REASON_IPV6_NDISC_BAD_CODE, 395 /** @SKB_DROP_REASON_IPV6_NDISC_BAD_OPTIONS: invalid NDISC options. */ 396 SKB_DROP_REASON_IPV6_NDISC_BAD_OPTIONS, 397 /** 398 * @SKB_DROP_REASON_IPV6_NDISC_NS_OTHERHOST: NEIGHBOUR SOLICITATION 399 * for another host. 400 */ 401 SKB_DROP_REASON_IPV6_NDISC_NS_OTHERHOST, 402 /** @SKB_DROP_REASON_QUEUE_PURGE: bulk free. */ 403 SKB_DROP_REASON_QUEUE_PURGE, 404 /** 405 * @SKB_DROP_REASON_TC_COOKIE_ERROR: An error occurred whilst 406 * processing a tc ext cookie. 407 */ 408 SKB_DROP_REASON_TC_COOKIE_ERROR, 409 /** 410 * @SKB_DROP_REASON_PACKET_SOCK_ERROR: generic packet socket errors 411 * after its filter matches an incoming packet. 412 */ 413 SKB_DROP_REASON_PACKET_SOCK_ERROR, 414 /** @SKB_DROP_REASON_TC_CHAIN_NOTFOUND: tc chain lookup failed. */ 415 SKB_DROP_REASON_TC_CHAIN_NOTFOUND, 416 /** 417 * @SKB_DROP_REASON_TC_RECLASSIFY_LOOP: tc exceeded max reclassify loop 418 * iterations. 419 */ 420 SKB_DROP_REASON_TC_RECLASSIFY_LOOP, 421 /** 422 * @SKB_DROP_REASON_MAX: the maximum of core drop reasons, which 423 * shouldn't be used as a real 'reason' - only for tracing code gen 424 */ 425 SKB_DROP_REASON_MAX, 426 427 /** 428 * @SKB_DROP_REASON_SUBSYS_MASK: subsystem mask in drop reasons, 429 * see &enum skb_drop_reason_subsys 430 */ 431 SKB_DROP_REASON_SUBSYS_MASK = 0xffff0000, 432 }; 433 434 #define SKB_DROP_REASON_SUBSYS_SHIFT 16 435 436 #define SKB_DR_INIT(name, reason) \ 437 enum skb_drop_reason name = SKB_DROP_REASON_##reason 438 #define SKB_DR(name) \ 439 SKB_DR_INIT(name, NOT_SPECIFIED) 440 #define SKB_DR_SET(name, reason) \ 441 (name = SKB_DROP_REASON_##reason) 442 #define SKB_DR_OR(name, reason) \ 443 do { \ 444 if (name == SKB_DROP_REASON_NOT_SPECIFIED || \ 445 name == SKB_NOT_DROPPED_YET) \ 446 SKB_DR_SET(name, reason); \ 447 } while (0) 448 449 #endif 450