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/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _LINUX_DROPREASON_CORE_H
#define _LINUX_DROPREASON_CORE_H
#define DEFINE_DROP_REASON(FN, FNe) \
FN(NOT_SPECIFIED) \
FN(NO_SOCKET) \
FN(SOCKET_CLOSE) \
FN(SOCKET_FILTER) \
FN(SOCKET_RCVBUFF) \
FN(UNIX_DISCONNECT) \
FN(PKT_TOO_SMALL) \
FN(TCP_CSUM) \
FN(UDP_CSUM) \
FN(NETFILTER_DROP) \
FN(OTHERHOST) \
FN(IP_CSUM) \
FN(IP_INHDR) \
FN(IP_RPFILTER) \
FN(UNICAST_IN_L2_MULTICAST) \
FN(XFRM_POLICY) \
FN(IP_NOPROTO) \
FN(PROTO_MEM) \
FN(TCP_MD5NOTFOUND) \
FN(TCP_MD5UNEXPECTED) \
FN(TCP_MD5FAILURE) \
FN(SOCKET_BACKLOG) \
FN(TCP_FLAGS) \
FN(TCP_ABORT_ON_DATA) \
FN(TCP_ZEROWINDOW) \
FN(TCP_OLD_DATA) \
FN(TCP_OVERWINDOW) \
FN(TCP_OFOMERGE) \
FN(TCP_RFC7323_PAWS) \
FN(TCP_RFC7323_PAWS_ACK) \
FN(TCP_RFC7323_TW_PAWS) \
FN(TCP_RFC7323_TSECR) \
FN(TCP_LISTEN_OVERFLOW) \
FN(TCP_OLD_SEQUENCE) \
FN(TCP_INVALID_SEQUENCE) \
FN(TCP_INVALID_ACK_SEQUENCE) \
FN(TCP_RESET) \
FN(TCP_INVALID_SYN) \
FN(TCP_CLOSE) \
FN(TCP_FASTOPEN) \
FN(TCP_OLD_ACK) \
FN(TCP_TOO_OLD_ACK) \
FN(TCP_ACK_UNSENT_DATA) \
FN(TCP_OFO_QUEUE_PRUNE) \
FN(TCP_OFO_DROP) \
FN(IP_OUTNOROUTES) \
FN(BPF_CGROUP_EGRESS) \
FN(IPV6DISABLED) \
FN(NEIGH_CREATEFAIL) \
FN(NEIGH_FAILED) \
FN(NEIGH_QUEUEFULL) \
FN(NEIGH_DEAD) \
FN(TC_EGRESS) \
FN(SECURITY_HOOK) \
FN(QDISC_DROP) \
FN(QDISC_OVERLIMIT) \
FN(QDISC_CONGESTED) \
FN(CAKE_FLOOD) \
FN(FQ_BAND_LIMIT) \
FN(FQ_HORIZON_LIMIT) \
FN(FQ_FLOW_LIMIT) \
FN(CPU_BACKLOG) \
FN(XDP) \
FN(TC_INGRESS) \
FN(UNHANDLED_PROTO) \
FN(SKB_CSUM) \
FN(SKB_GSO_SEG) \
FN(SKB_UCOPY_FAULT) \
FN(DEV_HDR) \
FN(DEV_READY) \
FN(FULL_RING) \
FN(NOMEM) \
FN(HDR_TRUNC) \
FN(TAP_FILTER) \
FN(TAP_TXFILTER) \
FN(ICMP_CSUM) \
FN(INVALID_PROTO) \
FN(IP_INADDRERRORS) \
FN(IP_INNOROUTES) \
FN(IP_LOCAL_SOURCE) \
FN(IP_INVALID_SOURCE) \
FN(IP_LOCALNET) \
FN(IP_INVALID_DEST) \
FN(PKT_TOO_BIG) \
FN(DUP_FRAG) \
FN(FRAG_REASM_TIMEOUT) \
FN(FRAG_TOO_FAR) \
FN(TCP_MINTTL) \
FN(IPV6_BAD_EXTHDR) \
FN(IPV6_NDISC_FRAG) \
FN(IPV6_NDISC_HOP_LIMIT) \
FN(IPV6_NDISC_BAD_CODE) \
FN(IPV6_NDISC_BAD_OPTIONS) \
FN(IPV6_NDISC_NS_OTHERHOST) \
FN(QUEUE_PURGE) \
FN(TC_COOKIE_ERROR) \
FN(PACKET_SOCK_ERROR) \
FN(TC_CHAIN_NOTFOUND) \
FN(TC_RECLASSIFY_LOOP) \
FN(VXLAN_INVALID_HDR) \
FN(VXLAN_VNI_NOT_FOUND) \
FN(MAC_INVALID_SOURCE) \
FN(VXLAN_ENTRY_EXISTS) \
FN(NO_TX_TARGET) \
FN(IP_TUNNEL_ECN) \
FN(TUNNEL_TXINFO) \
FN(LOCAL_MAC) \
FN(ARP_PVLAN_DISABLE) \
FN(MAC_IEEE_MAC_CONTROL) \
FN(BRIDGE_INGRESS_STP_STATE) \
FNe(MAX)
/**
* enum skb_drop_reason - the reasons of skb drops
*
* The reason of skb drop, which is used in kfree_skb_reason().
*/
enum skb_drop_reason {
/**
* @SKB_NOT_DROPPED_YET: skb is not dropped yet (used for no-drop case)
*/
SKB_NOT_DROPPED_YET = 0,
/** @SKB_CONSUMED: packet has been consumed */
SKB_CONSUMED,
/** @SKB_DROP_REASON_NOT_SPECIFIED: drop reason is not specified */
SKB_DROP_REASON_NOT_SPECIFIED,
/**
* @SKB_DROP_REASON_NO_SOCKET: no valid socket that can be used.
* Reason could be one of three cases:
* 1) no established/listening socket found during lookup process
* 2) no valid request socket during 3WHS process
* 3) no valid child socket during 3WHS process
*/
SKB_DROP_REASON_NO_SOCKET,
/** @SKB_DROP_REASON_SOCKET_CLOSE: socket is close()d */
SKB_DROP_REASON_SOCKET_CLOSE,
/** @SKB_DROP_REASON_SOCKET_FILTER: dropped by socket filter */
SKB_DROP_REASON_SOCKET_FILTER,
/** @SKB_DROP_REASON_SOCKET_RCVBUFF: socket receive buff is full */
SKB_DROP_REASON_SOCKET_RCVBUFF,
/**
* @SKB_DROP_REASON_UNIX_DISCONNECT: recv queue is purged when SOCK_DGRAM
* or SOCK_SEQPACKET socket re-connect()s to another socket or notices
* during send() that the peer has been close()d.
*/
SKB_DROP_REASON_UNIX_DISCONNECT,
/** @SKB_DROP_REASON_PKT_TOO_SMALL: packet size is too small */
SKB_DROP_REASON_PKT_TOO_SMALL,
/** @SKB_DROP_REASON_TCP_CSUM: TCP checksum error */
SKB_DROP_REASON_TCP_CSUM,
/** @SKB_DROP_REASON_UDP_CSUM: UDP checksum error */
SKB_DROP_REASON_UDP_CSUM,
/** @SKB_DROP_REASON_NETFILTER_DROP: dropped by netfilter */
SKB_DROP_REASON_NETFILTER_DROP,
/**
* @SKB_DROP_REASON_OTHERHOST: packet don't belong to current host
* (interface is in promisc mode)
*/
SKB_DROP_REASON_OTHERHOST,
/** @SKB_DROP_REASON_IP_CSUM: IP checksum error */
SKB_DROP_REASON_IP_CSUM,
/**
* @SKB_DROP_REASON_IP_INHDR: there is something wrong with IP header (see
* IPSTATS_MIB_INHDRERRORS)
*/
SKB_DROP_REASON_IP_INHDR,
/**
* @SKB_DROP_REASON_IP_RPFILTER: IP rpfilter validate failed. see the
* document for rp_filter in ip-sysctl.rst for more information
*/
SKB_DROP_REASON_IP_RPFILTER,
/**
* @SKB_DROP_REASON_UNICAST_IN_L2_MULTICAST: destination address of L2 is
* multicast, but L3 is unicast.
*/
SKB_DROP_REASON_UNICAST_IN_L2_MULTICAST,
/** @SKB_DROP_REASON_XFRM_POLICY: xfrm policy check failed */
SKB_DROP_REASON_XFRM_POLICY,
/** @SKB_DROP_REASON_IP_NOPROTO: no support for IP protocol */
SKB_DROP_REASON_IP_NOPROTO,
/**
* @SKB_DROP_REASON_PROTO_MEM: proto memory limition, such as udp packet
* drop out of udp_memory_allocated.
*/
SKB_DROP_REASON_PROTO_MEM,
/**
* @SKB_DROP_REASON_TCP_MD5NOTFOUND: no MD5 hash and one expected,
* corresponding to LINUX_MIB_TCPMD5NOTFOUND
*/
SKB_DROP_REASON_TCP_MD5NOTFOUND,
/**
* @SKB_DROP_REASON_TCP_MD5UNEXPECTED: MD5 hash and we're not expecting
* one, corresponding to LINUX_MIB_TCPMD5UNEXPECTED
*/
SKB_DROP_REASON_TCP_MD5UNEXPECTED,
/**
* @SKB_DROP_REASON_TCP_MD5FAILURE: MD5 hash and its wrong, corresponding
* to LINUX_MIB_TCPMD5FAILURE
*/
SKB_DROP_REASON_TCP_MD5FAILURE,
/**
* @SKB_DROP_REASON_SOCKET_BACKLOG: failed to add skb to socket backlog (
* see LINUX_MIB_TCPBACKLOGDROP)
*/
SKB_DROP_REASON_SOCKET_BACKLOG,
/** @SKB_DROP_REASON_TCP_FLAGS: TCP flags invalid */
SKB_DROP_REASON_TCP_FLAGS,
/**
* @SKB_DROP_REASON_TCP_ABORT_ON_DATA: abort on data, corresponding to
* LINUX_MIB_TCPABORTONDATA
*/
SKB_DROP_REASON_TCP_ABORT_ON_DATA,
/**
* @SKB_DROP_REASON_TCP_ZEROWINDOW: TCP receive window size is zero,
* see LINUX_MIB_TCPZEROWINDOWDROP
*/
SKB_DROP_REASON_TCP_ZEROWINDOW,
/**
* @SKB_DROP_REASON_TCP_OLD_DATA: the TCP data reveived is already
* received before (spurious retrans may happened), see
* LINUX_MIB_DELAYEDACKLOST
*/
SKB_DROP_REASON_TCP_OLD_DATA,
/**
* @SKB_DROP_REASON_TCP_OVERWINDOW: the TCP data is out of window,
* the seq of the first byte exceed the right edges of receive
* window
*/
SKB_DROP_REASON_TCP_OVERWINDOW,
/**
* @SKB_DROP_REASON_TCP_OFOMERGE: the data of skb is already in the ofo
* queue, corresponding to LINUX_MIB_TCPOFOMERGE
*/
SKB_DROP_REASON_TCP_OFOMERGE,
/**
* @SKB_DROP_REASON_TCP_RFC7323_PAWS: PAWS check, corresponding to
* LINUX_MIB_PAWSESTABREJECTED, LINUX_MIB_PAWSACTIVEREJECTED
*/
SKB_DROP_REASON_TCP_RFC7323_PAWS,
/**
* @SKB_DROP_REASON_TCP_RFC7323_PAWS_ACK: PAWS check, old ACK packet.
* Corresponds to LINUX_MIB_PAWS_OLD_ACK.
*/
SKB_DROP_REASON_TCP_RFC7323_PAWS_ACK,
/**
* @SKB_DROP_REASON_TCP_RFC7323_TW_PAWS: PAWS check, socket is in
* TIME_WAIT state.
* Corresponds to LINUX_MIB_PAWS_TW_REJECTED.
*/
SKB_DROP_REASON_TCP_RFC7323_TW_PAWS,
/**
* @SKB_DROP_REASON_TCP_RFC7323_TSECR: PAWS check, invalid TSEcr.
* Corresponds to LINUX_MIB_TSECRREJECTED.
*/
SKB_DROP_REASON_TCP_RFC7323_TSECR,
/** @SKB_DROP_REASON_TCP_LISTEN_OVERFLOW: listener queue full. */
SKB_DROP_REASON_TCP_LISTEN_OVERFLOW,
/** @SKB_DROP_REASON_TCP_OLD_SEQUENCE: Old SEQ field (duplicate packet) */
SKB_DROP_REASON_TCP_OLD_SEQUENCE,
/** @SKB_DROP_REASON_TCP_INVALID_SEQUENCE: Not acceptable SEQ field */
SKB_DROP_REASON_TCP_INVALID_SEQUENCE,
/**
* @SKB_DROP_REASON_TCP_INVALID_ACK_SEQUENCE: Not acceptable ACK SEQ
* field because ack sequence is not in the window between snd_una
* and snd_nxt
*/
SKB_DROP_REASON_TCP_INVALID_ACK_SEQUENCE,
/** @SKB_DROP_REASON_TCP_RESET: Invalid RST packet */
SKB_DROP_REASON_TCP_RESET,
/**
* @SKB_DROP_REASON_TCP_INVALID_SYN: Incoming packet has unexpected
* SYN flag
*/
SKB_DROP_REASON_TCP_INVALID_SYN,
/** @SKB_DROP_REASON_TCP_CLOSE: TCP socket in CLOSE state */
SKB_DROP_REASON_TCP_CLOSE,
/** @SKB_DROP_REASON_TCP_FASTOPEN: dropped by FASTOPEN request socket */
SKB_DROP_REASON_TCP_FASTOPEN,
/** @SKB_DROP_REASON_TCP_OLD_ACK: TCP ACK is old, but in window */
SKB_DROP_REASON_TCP_OLD_ACK,
/** @SKB_DROP_REASON_TCP_TOO_OLD_ACK: TCP ACK is too old */
SKB_DROP_REASON_TCP_TOO_OLD_ACK,
/**
* @SKB_DROP_REASON_TCP_ACK_UNSENT_DATA: TCP ACK for data we haven't
* sent yet
*/
SKB_DROP_REASON_TCP_ACK_UNSENT_DATA,
/** @SKB_DROP_REASON_TCP_OFO_QUEUE_PRUNE: pruned from TCP OFO queue */
SKB_DROP_REASON_TCP_OFO_QUEUE_PRUNE,
/** @SKB_DROP_REASON_TCP_OFO_DROP: data already in receive queue */
SKB_DROP_REASON_TCP_OFO_DROP,
/** @SKB_DROP_REASON_IP_OUTNOROUTES: route lookup failed */
SKB_DROP_REASON_IP_OUTNOROUTES,
/**
* @SKB_DROP_REASON_BPF_CGROUP_EGRESS: dropped by BPF_PROG_TYPE_CGROUP_SKB
* eBPF program
*/
SKB_DROP_REASON_BPF_CGROUP_EGRESS,
/** @SKB_DROP_REASON_IPV6DISABLED: IPv6 is disabled on the device */
SKB_DROP_REASON_IPV6DISABLED,
/** @SKB_DROP_REASON_NEIGH_CREATEFAIL: failed to create neigh entry */
SKB_DROP_REASON_NEIGH_CREATEFAIL,
/** @SKB_DROP_REASON_NEIGH_FAILED: neigh entry in failed state */
SKB_DROP_REASON_NEIGH_FAILED,
/** @SKB_DROP_REASON_NEIGH_QUEUEFULL: arp_queue for neigh entry is full */
SKB_DROP_REASON_NEIGH_QUEUEFULL,
/** @SKB_DROP_REASON_NEIGH_DEAD: neigh entry is dead */
SKB_DROP_REASON_NEIGH_DEAD,
/** @SKB_DROP_REASON_TC_EGRESS: dropped in TC egress HOOK */
SKB_DROP_REASON_TC_EGRESS,
/** @SKB_DROP_REASON_SECURITY_HOOK: dropped due to security HOOK */
SKB_DROP_REASON_SECURITY_HOOK,
/**
* @SKB_DROP_REASON_QDISC_DROP: dropped by qdisc when packet outputting (
* failed to enqueue to current qdisc)
*/
SKB_DROP_REASON_QDISC_DROP,
/**
* @SKB_DROP_REASON_QDISC_OVERLIMIT: dropped by qdisc when a qdisc
* instance exceeds its total buffer size limit.
*/
SKB_DROP_REASON_QDISC_OVERLIMIT,
/**
* @SKB_DROP_REASON_QDISC_CONGESTED: dropped by a qdisc AQM algorithm
* due to congestion.
*/
SKB_DROP_REASON_QDISC_CONGESTED,
/**
* @SKB_DROP_REASON_CAKE_FLOOD: dropped by the flood protection part of
* CAKE qdisc AQM algorithm (BLUE).
*/
SKB_DROP_REASON_CAKE_FLOOD,
/**
* @SKB_DROP_REASON_FQ_BAND_LIMIT: dropped by fq qdisc when per band
* limit is reached.
*/
SKB_DROP_REASON_FQ_BAND_LIMIT,
/**
* @SKB_DROP_REASON_FQ_HORIZON_LIMIT: dropped by fq qdisc when packet
* timestamp is too far in the future.
*/
SKB_DROP_REASON_FQ_HORIZON_LIMIT,
/**
* @SKB_DROP_REASON_FQ_FLOW_LIMIT: dropped by fq qdisc when a flow
* exceeds its limits.
*/
SKB_DROP_REASON_FQ_FLOW_LIMIT,
/**
* @SKB_DROP_REASON_CPU_BACKLOG: failed to enqueue the skb to the per CPU
* backlog queue. This can be caused by backlog queue full (see
* netdev_max_backlog in net.rst) or RPS flow limit
*/
SKB_DROP_REASON_CPU_BACKLOG,
/** @SKB_DROP_REASON_XDP: dropped by XDP in input path */
SKB_DROP_REASON_XDP,
/** @SKB_DROP_REASON_TC_INGRESS: dropped in TC ingress HOOK */
SKB_DROP_REASON_TC_INGRESS,
/** @SKB_DROP_REASON_UNHANDLED_PROTO: protocol not implemented or not supported */
SKB_DROP_REASON_UNHANDLED_PROTO,
/** @SKB_DROP_REASON_SKB_CSUM: sk_buff checksum computation error */
SKB_DROP_REASON_SKB_CSUM,
/** @SKB_DROP_REASON_SKB_GSO_SEG: gso segmentation error */
SKB_DROP_REASON_SKB_GSO_SEG,
/**
* @SKB_DROP_REASON_SKB_UCOPY_FAULT: failed to copy data from user space,
* e.g., via zerocopy_sg_from_iter() or skb_orphan_frags_rx()
*/
SKB_DROP_REASON_SKB_UCOPY_FAULT,
/** @SKB_DROP_REASON_DEV_HDR: device driver specific header/metadata is invalid */
SKB_DROP_REASON_DEV_HDR,
/**
* @SKB_DROP_REASON_DEV_READY: the device is not ready to xmit/recv due to
* any of its data structure that is not up/ready/initialized,
* e.g., the IFF_UP is not set, or driver specific tun->tfiles[txq]
* is not initialized
*/
SKB_DROP_REASON_DEV_READY,
/** @SKB_DROP_REASON_FULL_RING: ring buffer is full */
SKB_DROP_REASON_FULL_RING,
/** @SKB_DROP_REASON_NOMEM: error due to OOM */
SKB_DROP_REASON_NOMEM,
/**
* @SKB_DROP_REASON_HDR_TRUNC: failed to trunc/extract the header from
* networking data, e.g., failed to pull the protocol header from
* frags via pskb_may_pull()
*/
SKB_DROP_REASON_HDR_TRUNC,
/**
* @SKB_DROP_REASON_TAP_FILTER: dropped by (ebpf) filter directly attached
* to tun/tap, e.g., via TUNSETFILTEREBPF
*/
SKB_DROP_REASON_TAP_FILTER,
/**
* @SKB_DROP_REASON_TAP_TXFILTER: dropped by tx filter implemented at
* tun/tap, e.g., check_filter()
*/
SKB_DROP_REASON_TAP_TXFILTER,
/** @SKB_DROP_REASON_ICMP_CSUM: ICMP checksum error */
SKB_DROP_REASON_ICMP_CSUM,
/**
* @SKB_DROP_REASON_INVALID_PROTO: the packet doesn't follow RFC 2211,
* such as a broadcasts ICMP_TIMESTAMP
*/
SKB_DROP_REASON_INVALID_PROTO,
/**
* @SKB_DROP_REASON_IP_INADDRERRORS: host unreachable, corresponding to
* IPSTATS_MIB_INADDRERRORS
*/
SKB_DROP_REASON_IP_INADDRERRORS,
/**
* @SKB_DROP_REASON_IP_INNOROUTES: network unreachable, corresponding to
* IPSTATS_MIB_INADDRERRORS
*/
SKB_DROP_REASON_IP_INNOROUTES,
/** @SKB_DROP_REASON_IP_LOCAL_SOURCE: the source ip is local */
SKB_DROP_REASON_IP_LOCAL_SOURCE,
/**
* @SKB_DROP_REASON_IP_INVALID_SOURCE: the source ip is invalid:
* 1) source ip is multicast or limited broadcast
* 2) source ip is zero and not IGMP
*/
SKB_DROP_REASON_IP_INVALID_SOURCE,
/** @SKB_DROP_REASON_IP_LOCALNET: source or dest ip is local net */
SKB_DROP_REASON_IP_LOCALNET,
/**
* @SKB_DROP_REASON_IP_INVALID_DEST: the dest ip is invalid:
* 1) dest ip is 0
*/
SKB_DROP_REASON_IP_INVALID_DEST,
/**
* @SKB_DROP_REASON_PKT_TOO_BIG: packet size is too big (maybe exceed the
* MTU)
*/
SKB_DROP_REASON_PKT_TOO_BIG,
/** @SKB_DROP_REASON_DUP_FRAG: duplicate fragment */
SKB_DROP_REASON_DUP_FRAG,
/** @SKB_DROP_REASON_FRAG_REASM_TIMEOUT: fragment reassembly timeout */
SKB_DROP_REASON_FRAG_REASM_TIMEOUT,
/**
* @SKB_DROP_REASON_FRAG_TOO_FAR: ipv4 fragment too far.
* (/proc/sys/net/ipv4/ipfrag_max_dist)
*/
SKB_DROP_REASON_FRAG_TOO_FAR,
/**
* @SKB_DROP_REASON_TCP_MINTTL: ipv4 ttl or ipv6 hoplimit below
* the threshold (IP_MINTTL or IPV6_MINHOPCOUNT).
*/
SKB_DROP_REASON_TCP_MINTTL,
/** @SKB_DROP_REASON_IPV6_BAD_EXTHDR: Bad IPv6 extension header. */
SKB_DROP_REASON_IPV6_BAD_EXTHDR,
/** @SKB_DROP_REASON_IPV6_NDISC_FRAG: invalid frag (suppress_frag_ndisc). */
SKB_DROP_REASON_IPV6_NDISC_FRAG,
/** @SKB_DROP_REASON_IPV6_NDISC_HOP_LIMIT: invalid hop limit. */
SKB_DROP_REASON_IPV6_NDISC_HOP_LIMIT,
/** @SKB_DROP_REASON_IPV6_NDISC_BAD_CODE: invalid NDISC icmp6 code. */
SKB_DROP_REASON_IPV6_NDISC_BAD_CODE,
/** @SKB_DROP_REASON_IPV6_NDISC_BAD_OPTIONS: invalid NDISC options. */
SKB_DROP_REASON_IPV6_NDISC_BAD_OPTIONS,
/**
* @SKB_DROP_REASON_IPV6_NDISC_NS_OTHERHOST: NEIGHBOUR SOLICITATION
* for another host.
*/
SKB_DROP_REASON_IPV6_NDISC_NS_OTHERHOST,
/** @SKB_DROP_REASON_QUEUE_PURGE: bulk free. */
SKB_DROP_REASON_QUEUE_PURGE,
/**
* @SKB_DROP_REASON_TC_COOKIE_ERROR: An error occurred whilst
* processing a tc ext cookie.
*/
SKB_DROP_REASON_TC_COOKIE_ERROR,
/**
* @SKB_DROP_REASON_PACKET_SOCK_ERROR: generic packet socket errors
* after its filter matches an incoming packet.
*/
SKB_DROP_REASON_PACKET_SOCK_ERROR,
/** @SKB_DROP_REASON_TC_CHAIN_NOTFOUND: tc chain lookup failed. */
SKB_DROP_REASON_TC_CHAIN_NOTFOUND,
/**
* @SKB_DROP_REASON_TC_RECLASSIFY_LOOP: tc exceeded max reclassify loop
* iterations.
*/
SKB_DROP_REASON_TC_RECLASSIFY_LOOP,
/**
* @SKB_DROP_REASON_VXLAN_INVALID_HDR: VXLAN header is invalid. E.g.:
* 1) reserved fields are not zero
* 2) "I" flag is not set
*/
SKB_DROP_REASON_VXLAN_INVALID_HDR,
/** @SKB_DROP_REASON_VXLAN_VNI_NOT_FOUND: no VXLAN device found for VNI */
SKB_DROP_REASON_VXLAN_VNI_NOT_FOUND,
/** @SKB_DROP_REASON_MAC_INVALID_SOURCE: source mac is invalid */
SKB_DROP_REASON_MAC_INVALID_SOURCE,
/**
* @SKB_DROP_REASON_VXLAN_ENTRY_EXISTS: trying to migrate a static
* entry or an entry pointing to a nexthop.
*/
SKB_DROP_REASON_VXLAN_ENTRY_EXISTS,
/** @SKB_DROP_REASON_NO_TX_TARGET: no target found for xmit */
SKB_DROP_REASON_NO_TX_TARGET,
/**
* @SKB_DROP_REASON_IP_TUNNEL_ECN: skb is dropped according to
* RFC 6040 4.2, see __INET_ECN_decapsulate() for detail.
*/
SKB_DROP_REASON_IP_TUNNEL_ECN,
/**
* @SKB_DROP_REASON_TUNNEL_TXINFO: packet without necessary metadata
* reached a device which is in "external" mode.
*/
SKB_DROP_REASON_TUNNEL_TXINFO,
/**
* @SKB_DROP_REASON_LOCAL_MAC: the source MAC address is equal to
* the MAC address of the local netdev.
*/
SKB_DROP_REASON_LOCAL_MAC,
/**
* @SKB_DROP_REASON_ARP_PVLAN_DISABLE: packet which is not IP is
* forwarded to the in_dev, and the proxy_arp_pvlan is not
* enabled.
*/
SKB_DROP_REASON_ARP_PVLAN_DISABLE,
/**
* @SKB_DROP_REASON_MAC_IEEE_MAC_CONTROL: the destination MAC address
* is an IEEE MAC Control address.
*/
SKB_DROP_REASON_MAC_IEEE_MAC_CONTROL,
/**
* @SKB_DROP_REASON_BRIDGE_INGRESS_STP_STATE: the STP state of the
* ingress bridge port does not allow frames to be forwarded.
*/
SKB_DROP_REASON_BRIDGE_INGRESS_STP_STATE,
/**
* @SKB_DROP_REASON_MAX: the maximum of core drop reasons, which
* shouldn't be used as a real 'reason' - only for tracing code gen
*/
SKB_DROP_REASON_MAX,
/**
* @SKB_DROP_REASON_SUBSYS_MASK: subsystem mask in drop reasons,
* see &enum skb_drop_reason_subsys
*/
SKB_DROP_REASON_SUBSYS_MASK = 0xffff0000,
};
#define SKB_DROP_REASON_SUBSYS_SHIFT 16
#define SKB_DR_INIT(name, reason) \
enum skb_drop_reason name = SKB_DROP_REASON_##reason
#define SKB_DR(name) \
SKB_DR_INIT(name, NOT_SPECIFIED)
#define SKB_DR_SET(name, reason) \
(name = SKB_DROP_REASON_##reason)
#define SKB_DR_OR(name, reason) \
do { \
if (name == SKB_DROP_REASON_NOT_SPECIFIED || \
name == SKB_NOT_DROPPED_YET) \
SKB_DR_SET(name, reason); \
} while (0)
#endif
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| 9p | Folder | 0755 |
|
|
| bluetooth | Folder | 0755 |
|
|
| caif | Folder | 0755 |
|
|
| iucv | Folder | 0755 |
|
|
| libeth | Folder | 0755 |
|
|
| mana | Folder | 0755 |
|
|
| netfilter | Folder | 0755 |
|
|
| netns | Folder | 0755 |
|
|
| nfc | Folder | 0755 |
|
|
| page_pool | Folder | 0755 |
|
|
| phonet | Folder | 0755 |
|
|
| sctp | Folder | 0755 |
|
|
| tc_act | Folder | 0755 |
|
|
| 6lowpan.h | File | 10.03 KB | 0644 |
|
| Space.h | File | 1.07 KB | 0644 |
|
| act_api.h | File | 9.31 KB | 0644 |
|
| addrconf.h | File | 14.26 KB | 0644 |
|
| af_ieee802154.h | File | 1.19 KB | 0644 |
|
| af_rxrpc.h | File | 3.35 KB | 0644 |
|
| af_unix.h | File | 3.3 KB | 0644 |
|
| af_vsock.h | File | 8.22 KB | 0644 |
|
| ah.h | File | 382 B | 0644 |
|
| arp.h | File | 2.09 KB | 0644 |
|
| atmclip.h | File | 1.48 KB | 0644 |
|
| ax25.h | File | 14.87 KB | 0644 |
|
| ax88796.h | File | 1.33 KB | 0644 |
|
| bareudp.h | File | 333 B | 0644 |
|
| bond_3ad.h | File | 9.4 KB | 0644 |
|
| bond_alb.h | File | 6.1 KB | 0644 |
|
| bond_options.h | File | 4.81 KB | 0644 |
|
| bonding.h | File | 20.88 KB | 0644 |
|
| bpf_sk_storage.h | File | 1.74 KB | 0644 |
|
| busy_poll.h | File | 3.83 KB | 0644 |
|
| calipso.h | File | 1.55 KB | 0644 |
|
| cfg80211-wext.h | File | 1.86 KB | 0644 |
|
| cfg80211.h | File | 346.54 KB | 0644 |
|
| cfg802154.h | File | 10.6 KB | 0644 |
|
| checksum.h | File | 4.67 KB | 0644 |
|
| cipso_ipv4.h | File | 7.42 KB | 0644 |
|
| cls_cgroup.h | File | 2.04 KB | 0644 |
|
| codel.h | File | 5.86 KB | 0644 |
|
| codel_impl.h | File | 8.3 KB | 0644 |
|
| codel_qdisc.h | File | 2.95 KB | 0644 |
|
| compat.h | File | 2.18 KB | 0644 |
|
| datalink.h | File | 716 B | 0644 |
|
| dcbevent.h | File | 766 B | 0644 |
|
| dcbnl.h | File | 4.42 KB | 0644 |
|
| devlink.h | File | 73.76 KB | 0644 |
|
| dn.h | File | 6.88 KB | 0644 |
|
| dn_dev.h | File | 5.39 KB | 0644 |
|
| dn_fib.h | File | 4.04 KB | 0644 |
|
| dn_neigh.h | File | 996 B | 0644 |
|
| dn_nsp.h | File | 5.5 KB | 0644 |
|
| dn_route.h | File | 4.01 KB | 0644 |
|
| dropreason-core.h | File | 17.92 KB | 0644 |
|
| dropreason.h | File | 1.18 KB | 0644 |
|
| dsa.h | File | 33.46 KB | 0644 |
|
| dsa_stubs.h | File | 1.3 KB | 0644 |
|
| dsfield.h | File | 1.12 KB | 0644 |
|
| dst.h | File | 15.12 KB | 0644 |
|
| dst_cache.h | File | 2.96 KB | 0644 |
|
| dst_metadata.h | File | 6.42 KB | 0644 |
|
| dst_ops.h | File | 2.26 KB | 0644 |
|
| eee.h | File | 862 B | 0644 |
|
| erspan.h | File | 9.04 KB | 0644 |
|
| esp.h | File | 1.18 KB | 0644 |
|
| espintcp.h | File | 966 B | 0644 |
|
| ethoc.h | File | 439 B | 0644 |
|
| failover.h | File | 1.18 KB | 0644 |
|
| fib_notifier.h | File | 1.35 KB | 0644 |
|
| fib_rules.h | File | 6.57 KB | 0644 |
|
| firewire.h | File | 662 B | 0644 |
|
| flow.h | File | 5.91 KB | 0644 |
|
| flow_dissector.h | File | 12.65 KB | 0644 |
|
| flow_offload.h | File | 20.18 KB | 0644 |
|
| fou.h | File | 549 B | 0644 |
|
| fq.h | File | 2.55 KB | 0644 |
|
| fq_impl.h | File | 7.98 KB | 0644 |
|
| garp.h | File | 2.67 KB | 0644 |
|
| gen_stats.h | File | 2.99 KB | 0644 |
|
| genetlink.h | File | 20.88 KB | 0644 |
|
| geneve.h | File | 1.85 KB | 0644 |
|
| gre.h | File | 3.79 KB | 0644 |
|
| gro.h | File | 11.65 KB | 0644 |
|
| gro_cells.h | File | 443 B | 0644 |
|
| gso.h | File | 3.2 KB | 0644 |
|
| gtp.h | File | 1.46 KB | 0644 |
|
| gue.h | File | 3.29 KB | 0644 |
|
| handshake.h | File | 1.39 KB | 0644 |
|
| hwbm.h | File | 995 B | 0644 |
|
| icmp.h | File | 1.87 KB | 0644 |
|
| ieee80211_radiotap.h | File | 23.25 KB | 0644 |
|
| ieee802154_netdev.h | File | 8.75 KB | 0644 |
|
| if_inet6.h | File | 6.55 KB | 0644 |
|
| ife.h | File | 1.03 KB | 0644 |
|
| ila.h | File | 308 B | 0644 |
|
| inet6_connection_sock.h | File | 794 B | 0644 |
|
| inet6_hashtables.h | File | 3.6 KB | 0644 |
|
| inet_common.h | File | 2.9 KB | 0644 |
|
| inet_connection_sock.h | File | 11.03 KB | 0644 |
|
| inet_dscp.h | File | 1.55 KB | 0644 |
|
| inet_ecn.h | File | 7.83 KB | 0644 |
|
| inet_frag.h | File | 5.26 KB | 0644 |
|
| inet_hashtables.h | File | 12.28 KB | 0644 |
|
| inet_sock.h | File | 9.3 KB | 0644 |
|
| inet_timewait_sock.h | File | 3.56 KB | 0644 |
|
| inetpeer.h | File | 3.29 KB | 0644 |
|
| ip.h | File | 22.1 KB | 0644 |
|
| ip6_checksum.h | File | 2.47 KB | 0644 |
|
| ip6_fib.h | File | 15.82 KB | 0644 |
|
| ip6_route.h | File | 10.27 KB | 0644 |
|
| ip6_tunnel.h | File | 5.04 KB | 0644 |
|
| ip_fib.h | File | 17.27 KB | 0644 |
|
| ip_tunnels.h | File | 18.36 KB | 0644 |
|
| ip_vs.h | File | 49.62 KB | 0644 |
|
| ipcomp.h | File | 737 B | 0644 |
|
| ipconfig.h | File | 837 B | 0644 |
|
| ipv6.h | File | 37.44 KB | 0644 |
|
| ipv6_frag.h | File | 3.36 KB | 0644 |
|
| ipv6_stubs.h | File | 3.45 KB | 0644 |
|
| ipx.h | File | 4.28 KB | 0644 |
|
| iw_handler.h | File | 18.97 KB | 0644 |
|
| kcm.h | File | 4.82 KB | 0644 |
|
| l3mdev.h | File | 7.76 KB | 0644 |
|
| lag.h | File | 409 B | 0644 |
|
| lapb.h | File | 4.81 KB | 0644 |
|
| llc.h | File | 4.38 KB | 0644 |
|
| llc_c_ac.h | File | 9.39 KB | 0644 |
|
| llc_c_ev.h | File | 10.68 KB | 0644 |
|
| llc_c_st.h | File | 1.77 KB | 0644 |
|
| llc_conn.h | File | 4.09 KB | 0644 |
|
| llc_if.h | File | 2.16 KB | 0644 |
|
| llc_pdu.h | File | 14.35 KB | 0644 |
|
| llc_s_ac.h | File | 1.59 KB | 0644 |
|
| llc_s_ev.h | File | 2.22 KB | 0644 |
|
| llc_s_st.h | File | 1.03 KB | 0644 |
|
| llc_sap.h | File | 1.08 KB | 0644 |
|
| lwtunnel.h | File | 6.75 KB | 0644 |
|
| mac80211.h | File | 305.5 KB | 0644 |
|
| mac802154.h | File | 14.88 KB | 0644 |
|
| macsec.h | File | 10.25 KB | 0644 |
|
| mip6.h | File | 1016 B | 0644 |
|
| mld.h | File | 2.85 KB | 0644 |
|
| mpls.h | File | 943 B | 0644 |
|
| mpls_iptunnel.h | File | 481 B | 0644 |
|
| mptcp.h | File | 7.35 KB | 0644 |
|
| mrp.h | File | 3.11 KB | 0644 |
|
| ncsi.h | File | 1.94 KB | 0644 |
|
| ndisc.h | File | 15.05 KB | 0644 |
|
| neighbour.h | File | 16.54 KB | 0644 |
|
| net_debug.h | File | 5.07 KB | 0644 |
|
| net_failover.h | File | 1023 B | 0644 |
|
| net_namespace.h | File | 13.8 KB | 0644 |
|
| net_ratelimit.h | File | 220 B | 0644 |
|
| net_shaper.h | File | 3.49 KB | 0644 |
|
| net_trackers.h | File | 424 B | 0644 |
|
| netdev_queues.h | File | 10.02 KB | 0644 |
|
| netdev_rx_queue.h | File | 1.5 KB | 0644 |
|
| netevent.h | File | 1.04 KB | 0644 |
|
| netlabel.h | File | 20.3 KB | 0644 |
|
| netlink.h | File | 72.72 KB | 0644 |
|
| netprio_cgroup.h | File | 1.02 KB | 0644 |
|
| netrom.h | File | 7.73 KB | 0644 |
|
| nexthop.h | File | 13.16 KB | 0644 |
|
| nl802154.h | File | 12 KB | 0644 |
|
| nsh.h | File | 12.31 KB | 0644 |
|
| p8022.h | File | 504 B | 0644 |
|
| pie.h | File | 3.6 KB | 0644 |
|
| ping.h | File | 2.8 KB | 0644 |
|
| pkt_cls.h | File | 25.99 KB | 0644 |
|
| pkt_sched.h | File | 7.4 KB | 0644 |
|
| pptp.h | File | 604 B | 0644 |
|
| protocol.h | File | 3.81 KB | 0644 |
|
| psample.h | File | 1.22 KB | 0644 |
|
| psnap.h | File | 430 B | 0644 |
|
| raw.h | File | 2.48 KB | 0644 |
|
| rawv6.h | File | 856 B | 0644 |
|
| red.h | File | 11.39 KB | 0644 |
|
| regulatory.h | File | 9.88 KB | 0644 |
|
| request_sock.h | File | 6.53 KB | 0644 |
|
| rose.h | File | 7.64 KB | 0644 |
|
| route.h | File | 11.17 KB | 0644 |
|
| rpl.h | File | 839 B | 0644 |
|
| rps.h | File | 3.41 KB | 0644 |
|
| rsi_91x.h | File | 1.67 KB | 0644 |
|
| rstreason.h | File | 6.02 KB | 0644 |
|
| rtnetlink.h | File | 7.82 KB | 0644 |
|
| rtnh.h | File | 859 B | 0644 |
|
| sch_generic.h | File | 34.42 KB | 0644 |
|
| scm.h | File | 3.54 KB | 0644 |
|
| secure_seq.h | File | 868 B | 0644 |
|
| seg6.h | File | 2.43 KB | 0644 |
|
| seg6_hmac.h | File | 1.7 KB | 0644 |
|
| seg6_local.h | File | 644 B | 0644 |
|
| selftests.h | File | 582 B | 0644 |
|
| slhc_vj.h | File | 6.67 KB | 0644 |
|
| smc.h | File | 2.41 KB | 0644 |
|
| snmp.h | File | 5.14 KB | 0644 |
|
| sock.h | File | 84.92 KB | 0644 |
|
| sock_reuseport.h | File | 1.83 KB | 0644 |
|
| stp.h | File | 412 B | 0644 |
|
| strparser.h | File | 4.25 KB | 0644 |
|
| switchdev.h | File | 15.1 KB | 0644 |
|
| tc_wrapper.h | File | 6.29 KB | 0644 |
|
| tcp.h | File | 76.22 KB | 0644 |
|
| tcp_states.h | File | 1.3 KB | 0644 |
|
| tcx.h | File | 4.3 KB | 0644 |
|
| timewait_sock.h | File | 925 B | 0644 |
|
| tipc.h | File | 2.35 KB | 0644 |
|
| tls.h | File | 13.82 KB | 0644 |
|
| tls_prot.h | File | 1.84 KB | 0644 |
|
| tls_toe.h | File | 2.94 KB | 0644 |
|
| transp_v6.h | File | 1.95 KB | 0644 |
|
| tso.h | File | 566 B | 0644 |
|
| tun_proto.h | File | 1015 B | 0644 |
|
| udp.h | File | 15.73 KB | 0644 |
|
| udp_tunnel.h | File | 12.67 KB | 0644 |
|
| udplite.h | File | 2.38 KB | 0644 |
|
| vsock_addr.h | File | 662 B | 0644 |
|
| vxlan.h | File | 15.75 KB | 0644 |
|
| wext.h | File | 1.47 KB | 0644 |
|
| x25.h | File | 9.49 KB | 0644 |
|
| x25device.h | File | 387 B | 0644 |
|
| xdp.h | File | 14.43 KB | 0644 |
|
| xdp_priv.h | File | 427 B | 0644 |
|
| xdp_sock.h | File | 6.39 KB | 0644 |
|
| xdp_sock_drv.h | File | 9.01 KB | 0644 |
|
| xfrm.h | File | 57.78 KB | 0644 |
|
| xsk_buff_pool.h | File | 6.91 KB | 0644 |
|