Defined in 6 files as a member:

• include/linux/filter.h, line 1347 (as a member)
• include/net/inet_sock.h, line 42 (as a member)
• include/net/xfrm.h, line 667 (as a member)
• include/uapi/linux/bpf.h, line 6920 (as a member)
• include/uapi/rdma/rdma_user_cm.h, line 328 (as a member)
• net/qrtr/af_qrtr.c, line 64 (as a member)

Defined in 3 files as a function:

• net/netfilter/nft_exthdr.c, line 28 (as a function)
• net/netfilter/xt_TCPMSS.c, line 34 (as a function)
• net/netfilter/xt_TCPOPTSTRIP.c, line 19 (as a function)

Referenced in 160 files:

• crypto/af_alg.c, 9 times
• drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c, 3 times
• drivers/infiniband/core/ucma.c, 18 times
• drivers/isdn/mISDN/socket.c, 2 times
• drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c, 7 times
• drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.c, 9 times
• drivers/net/ppp/ppp_mppe.c, 8 times
• drivers/video/fbdev/acornfb.c, 5 times
• include/linux/bpf-cgroup.h, 15 times
• include/linux/bpfilter.h, 3 times
• include/linux/igmp.h, line 121
• include/linux/lsm_hook_defs.h, line 312
• include/linux/mroute.h, 2 times
• include/linux/mroute6.h, 2 times
• include/linux/net.h, 2 times
• include/linux/security.h, 2 times
• include/linux/syscalls.h, 4 times
• include/net/gue.h, 3 times
• include/net/inet_connection_sock.h, 2 times
• include/net/ip.h, 5 times
• include/net/ipv6.h, 5 times
• include/net/ipv6_stubs.h, 2 times
• include/net/sctp/structs.h, 2 times
• include/net/sock.h, 8 times
• include/net/tcp.h, 7 times
• include/net/udp.h, 2 times
• include/net/xfrm.h, 3 times
• kernel/bpf/cgroup.c, 38 times
• net/atm/common.c, 4 times
• net/atm/common.h, 2 times
• net/atm/pvc.c, 4 times
• net/atm/svc.c, 8 times
• net/ax25/af_ax25.c, 8 times
• net/bluetooth/hci_sock.c, 4 times
• net/bluetooth/iso.c, 6 times
• net/bluetooth/l2cap_sock.c, 11 times
• net/bluetooth/rfcomm/sock.c, 9 times
• net/bluetooth/sco.c, 11 times
• net/bpfilter/bpfilter_kern.c, 2 times
• net/bridge/br_netfilter_ipv6.c, 5 times
• net/can/isotp.c, 16 times
• net/can/j1939/socket.c, 16 times
• net/can/raw.c, 22 times
• net/core/filter.c, 68 times
• net/core/sock.c, 40 times
• net/dccp/ccid.c, 2 times
• net/dccp/ccid.h, 6 times
• net/dccp/ccids/ccid2.c, 2 times
• net/dccp/ccids/ccid3.c, 7 times
• net/dccp/dccp.h, 2 times
• net/dccp/ipv4.c, line 107
• net/dccp/proto.c, 31 times
• net/ieee802154/socket.c, 7 times
• net/ipv4/ah4.c, 9 times
• net/ipv4/bpfilter/sockopt.c, 6 times
• net/ipv4/cipso_ipv4.c, 20 times
• net/ipv4/fou.c, 19 times
• net/ipv4/icmp.c, 2 times
• net/ipv4/igmp.c, 2 times
• net/ipv4/ip_forward.c, line 79
• net/ipv4/ip_input.c, line 279
• net/ipv4/ip_options.c, 72 times
• net/ipv4/ip_output.c, 16 times
• net/ipv4/ip_sockglue.c, 86 times
• net/ipv4/ipmr.c, 12 times
• net/ipv4/ping.c, line 765
• net/ipv4/raw.c, 18 times
• net/ipv4/route.c, line 1230
• net/ipv4/tcp.c, 40 times
• net/ipv4/tcp_ipv4.c, 4 times
• net/ipv4/udp.c, 13 times
• net/ipv4/udp_impl.h, 2 times
• net/ipv6/ah6.c, 12 times
• net/ipv6/exthdrs.c, 7 times
• net/ipv6/exthdrs_core.c, 6 times
• net/ipv6/fou6.c, 4 times
• net/ipv6/ip6_flowlabel.c, 7 times
• net/ipv6/ip6_offload.c, 4 times
• net/ipv6/ip6_tunnel.c, 7 times
• net/ipv6/ip6mr.c, 12 times
• net/ipv6/ipv6_sockglue.c, 106 times
• net/ipv6/ndisc.c, 19 times
• net/ipv6/netfilter/ip6t_hbh.c, 8 times
• net/ipv6/raw.c, 20 times
• net/ipv6/route.c, 5 times
• net/ipv6/tcp_ipv6.c, 2 times
• net/ipv6/udp.c, 6 times
• net/ipv6/udp_impl.h, 2 times
• net/iucv/af_iucv.c, 5 times
• net/kcm/kcmsock.c, 5 times
• net/l2tp/l2tp_ppp.c, 5 times
• net/llc/af_llc.c, 5 times
• net/mctp/af_mctp.c, 4 times
• net/mptcp/protocol.h, line 704
• net/mptcp/sockopt.c, 77 times
• net/netfilter/ipvs/ip_vs_xmit.c, 4 times
• net/netfilter/nft_exthdr.c, 9 times
• net/netfilter/nft_flow_offload.c, line 279
• net/netfilter/xt_TCPMSS.c, line 117
• net/netfilter/xt_TCPOPTSTRIP.c, line 64
• net/netfilter/xt_dccp.c, 4 times
• net/netfilter/xt_tcpmss.c, 6 times
• net/netfilter/xt_tcpudp.c, 4 times
• net/netlink/af_netlink.c, 11 times
• net/netrom/af_netrom.c, 5 times
• net/nfc/llcp_sock.c, 4 times
• net/packet/af_packet.c, 21 times
• net/phonet/pep.c, 5 times
• net/qrtr/af_qrtr.c, line 475
• net/rds/af_rds.c, 25 times
• net/rds/info.c, 3 times
• net/rds/info.h, line 25
• net/rds/rdma.c, 6 times
• net/rds/rds.h, 3 times
• net/rose/af_rose.c, 5 times
• net/rxrpc/af_rxrpc.c, 10 times
• net/rxrpc/key.c, 4 times
• net/rxrpc/server_key.c, 4 times
• net/sched/act_csum.c, 8 times
• net/sctp/protocol.c, 3 times
• net/sctp/socket.c, 335 times
• net/smc/af_smc.c, 12 times
• net/socket.c, 15 times
• net/tls/tls.h, 2 times
• net/tls/tls_main.c, 30 times
• net/vmw_vsock/af_vsock.c, 6 times
• net/x25/af_x25.c, 5 times
• net/xdp/xsk.c, 9 times
• net/xfrm/xfrm_compat.c, 4 times
• net/xfrm/xfrm_inout.h, 2 times
• net/xfrm/xfrm_input.c, 6 times
• net/xfrm/xfrm_output.c, 18 times
• net/xfrm/xfrm_state.c, 7 times
• samples/bpf/test_cgrp2_sock.c, 6 times
• scripts/dtc/util.c, 6 times
• security/apparmor/lsm.c, 2 times
• security/security.c, 2 times
• security/selinux/hooks.c, 2 times
• security/smack/smack_lsm.c, 2 times
• tools/testing/selftests/bpf/network_helpers.c, 4 times
• tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt.c, 2 times
• tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt_unix.c, 3 times
• tools/testing/selftests/bpf/prog_tests/cgroup_getset_retval.c, 6 times
• tools/testing/selftests/bpf/prog_tests/sockopt.c, 15 times
• tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c, 2 times
• tools/testing/selftests/bpf/prog_tests/sockopt_multi.c, 20 times
• tools/testing/selftests/bpf/prog_tests/sockopt_qos_to_cc.c, 3 times
• tools/testing/selftests/bpf/prog_tests/sockopt_sk.c, 25 times
• tools/testing/selftests/bpf/prog_tests/tcp_rtt.c, 3 times
• tools/testing/selftests/bpf/progs/sockopt_inherit.c, 2 times
• tools/testing/selftests/bpf/progs/sockopt_multi.c, 3 times
• tools/testing/selftests/bpf/progs/sockopt_sk.c, 9 times
• tools/testing/selftests/bpf/progs/test_tcp_hdr_options.c, 12 times
• tools/testing/selftests/bpf/test_maps.c, 3 times
• tools/testing/selftests/bpf/xsk.c, 5 times
• tools/testing/selftests/bpf/xskxceiver.c, 8 times
• tools/testing/selftests/net/af_unix/diag_uid.c, 3 times
• tools/testing/selftests/net/gro.c, 13 times
• tools/testing/selftests/net/mptcp/mptcp_connect.c, 2 times
• tools/testing/selftests/net/nettest.c, 2 times