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/linux/net/netfilter/ipset/
H A Dip_set_core.c1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
4 * Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@netfilter.org>
57 rcu_dereference_protected((inst)->ip_set_list, \
60 (inst)->is_deleted)
64 rcu_dereference_raw((inst)->ip_set_list)[id]
88 find_set_type(const char *name, u8 family, u8 revision) in find_set_type() argument
94 if (STRNCMP(type->name, name) && in find_set_type()
95 (type->family == family || in find_set_type()
96 type->family == NFPROTO_UNSPEC) && in find_set_type()
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/linux/drivers/w1/
H A Dw1.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
42 * on a static 1-wire bus. Memory is not allocated based on this number, just
63 return -ENODEV; in w1_master_probe()
70 dev_dbg(dev, "%s: Releasing %s.\n", __func__, md->name); in w1_master_release()
79 dev_dbg(dev, "%s: Releasing %s [%p]\n", __func__, sl->name, sl); in w1_slave_release()
81 w1_family_put(sl->family); in w1_slave_release()
82 sl->master->slave_count--; in w1_slave_release()
89 return sprintf(buf, "%s\n", sl->name); in name_show()
91 static DEVICE_ATTR_RO(name);
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/linux/tools/testing/selftests/bpf/prog_tests/
H A Dsocket_helpers.h1 /* SPDX-License-Identifier: GPL-2.0 */
29 #define take_fd(fd) __get_and_null(fd, -EBADF)
52 if (__ret == -1) \
60 if (__ret == -1) \
68 if (__ret == -1) \
76 if (__ret == -1) \
84 if (__ret == -1) \
89 #define xgetsockopt(fd, level, name, va
88 xgetsockopt(fd,level,name,val,len) global() argument
104 xsetsockopt(fd,level,name,val,len) global() argument
129 xsocket(family,sotype,flags) global() argument
183 init_addr_loopback(int family,struct sockaddr_storage * ss,socklen_t * len) init_addr_loopback() argument
216 socket_loopback_reuseport(int family,int sotype,int progfd) socket_loopback_reuseport() argument
248 socket_loopback(int family,int sotype) socket_loopback() argument
314 create_pair(int family,int sotype,int * p0,int * p1) create_pair() argument
316 __close_fd int s, c = -1, p = -1; create_pair() local
376 create_socket_pairs(int family,int sotype,int * c0,int * c1,int * p0,int * p1) create_socket_pairs() argument
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H A Dsockmap_listen.c1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2020 Cloudflare
6 * 1. BPF map operations - bpf_map_{update,lookup delete}_elem
7 * 2. BPF redirect helpers - bpf_{sk,msg}_redirect_map
8 * 3. BPF reuseport helper - bpf_sk_select_reuseport
35 int family, int sotype, int mapfd) in test_insert_invalid() argument
41 value = -1; in test_insert_invalid()
53 int family, int sotype, int mapfd) in test_insert_opened() argument
59 s = xsocket(family, sotype, 0); in test_insert_opened()
60 if (s == -1) in test_insert_opened()
[all …]
H A Dsk_assign.c1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2018 Facebook
3 // Copyright (c) 2019 Cloudflare
4 // Copyright (c) 2020 Isovalent, Inc.
37 tc = popen("tc -V", "r"); in configure_stack()
60 if (CHECK_FAIL(system("ip -6 route add local default dev lo"))) in configure_stack()
67 "direct-action object-fil in configure_stack()
170 prepare_addr(struct sockaddr * addr,int family,__u16 port,bool rewrite_addr) prepare_addr() argument
201 const char *name; global() member
202 int family; global() member
209 TEST(NAME,FAMILY,TYPE,REWRITE) global() argument
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/linux/Documentation/netlink/specs/
H A Dmptcp_pm.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
2 ---
3 name: mptcp_pm
4 protocol: genetlink-legacy
7 c-family-name: mptcp-pm-name
8 c-version-name: mptcp-pm-ver
9 max-by-define: true
10 kernel-policy: per-op
11 cmd-cnt-name: --mptcp-pm-cmd-after-last
14 -
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/linux/tools/testing/selftests/net/netfilter/
H A Dnft_nat.sh11 checktool "nft --version" "run test without nft tool"
12 checktool "socat -h" "run test without socat"
20 rm -f "$INFILE" "$OUTFILE"
32 if ! ip link add veth0 netns "$ns0" type veth peer name eth0 netns "$ns1" > /dev/null 2>&1;then
36 ip link add veth1 netns "$ns0" type veth peer name eth0 netns "$ns2"
38 ip -net "$ns0" link set veth0 up
39 ip -net "$ns0" addr add 10.0.1.1/24 dev veth0
40 ip -net "$ns0" addr add dead:1::1/64 dev veth0 nodad
42 ip -ne
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/linux/net/netfilter/
H A Dnfnetlink_hook.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 2021 Red Hat GmbH
30 .len = IFNAMSIZ - 1 },
40 struct netlink_dump_control *c) in nf_netlink_dump_start_rcu() argument
45 return -EINVAL; in nf_netlink_dump_start_rcu()
48 err = netlink_dump_start(nlsk, skb, nlh, c); in nf_netlink_dump_start_rcu()
93 return -EMSGSIZE; in nfnl_hook_put_bpf_prog_info()
99 ret = nla_put_be32(nlskb, NFNLA_HOOK_BPF_ID, htonl(prog->aux->id)); in nfnl_hook_put_bpf_prog_info()
109 return -EMSGSIZE; in nfnl_hook_put_bpf_prog_info()
113 const char *name, u8 family) in nfnl_hook_put_nft_info_desc() argument
[all …]
H A Dxt_recent.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2006 Patrick McHardy <kaber@trash.net>
4 * Copyright © CC Computer Consultants GmbH, 2007 - 2008
10 * Copyright 2002-2003, Stephen Frost, 2.5.x port by laforge@netfilter.org
38 MODULE_DESCRIPTION("Xtables: \"recently-seen\" host matching");
70 u_int16_t family; member
79 char name[XT_RECENT_NAME_LEN]; member
113 return jhash_1word((__force u32)addr->ip, hash_rnd) & in recent_entry_hash4()
114 (ip_list_hash_size - 1); in recent_entry_hash4()
119 return jhash2((u32 *)addr->ip6, ARRAY_SIZE(addr->ip6), hash_rnd) & in recent_entry_hash6()
[all …]
H A Dxt_connmark.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * xt_connmark - Netfilter module to operate on connection marks
5 * Copyright (C) 2002,2004 MARA Systems AB <https://www.marasystems.com>
7 * Copyright © CC Computer Consultants GmbH, 2007 - 2008
39 switch (info->mode) { in connmark_tg_shift()
41 oldmark = READ_ONCE(ct->mark); in connmark_tg_shift()
42 newmark = (oldmark & ~info->ctmask) ^ info->ctmark; in connmark_tg_shift()
43 if (info->shift_dir == D_SHIFT_RIGHT) in connmark_tg_shift()
44 newmark >>= info->shift_bits; in connmark_tg_shift()
46 newmark <<= info->shift_bits; in connmark_tg_shift()
[all …]
H A Dxt_socket.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2007-2008 BalaBit IT Ltd.
40 * - match: if there's a fully established connection matching the
43 * - match: if there's a non-zero bound listener (possibly with a
44 * non-local address) We don't accept zero-bound listeners, since
53 struct sock *sk = skb->sk; in socket_match()
68 wildcard = (!(info->flags & XT_SOCKET_NOWILDCARD) && in socket_match()
70 inet_sk(sk)->inet_rcv_saddr == 0); in socket_match()
72 /* Ignore non-transparent sockets, in socket_match()
75 if (info->flags & XT_SOCKET_TRANSPARENT) in socket_match()
[all …]
H A Dxt_CT.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2010 Patrick McHardy <kaber@trash.net>
23 if (skb->_nfct != 0) in xt_ct_target()
27 refcount_inc(&ct->ct_general.use); in xt_ct_target()
39 const struct xt_ct_target_info *info = par->targinfo; in xt_ct_target_v0()
40 struct nf_conn *ct = info->ct; in xt_ct_target_v0()
48 const struct xt_ct_target_info_v1 *info = par->targinfo; in xt_ct_target_v1()
49 struct nf_conn *ct = info->ct; in xt_ct_target_v1()
56 if (par->family == NFPROTO_IPV4) { in xt_ct_find_proto()
57 const struct ipt_entry *e = par->entryinfo; in xt_ct_find_proto()
[all …]
H A Dxt_LOG.c1 // SPDX-License-Identifier: GPL-2.0-only
6 /* (C) 1999-2001 Paul `Rusty' Russell
7 * (C) 2002-2004 Netfilter Core Team <coreteam@netfilter.org>
31 const struct xt_log_info *loginfo = par->targinfo; in log_tg()
36 li.u.log.level = loginfo->level; in log_tg()
37 li.u.log.logflags = loginfo->logflags; in log_tg()
40 xt_out(par), &li, "%s", loginfo->prefix); in log_tg()
46 const struct xt_log_info *loginfo = par->targinfo; in log_tg_check()
49 if (par->family != NFPROTO_IPV4 && par->family != NFPROTO_IPV6) in log_tg_check()
50 return -EINVAL; in log_tg_check()
[all …]
H A Dxt_hashlimit.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * xt_hashlimit - Netfilter module to limit the number of packets per time
6 * (C) 2003-2004 by Harald Welte <laforge@netfilter.org>
7 * (C) 2006-2012 Patrick McHardy <kaber@trash.net>
8 * Copyright © CC Computer Consultants GmbH, 2007 - 2008
49 MODULE_DESCRIPTION("Xtables: per hash-bucket rate-limit match");
89 /* static / read-only parts in the beginning */
118 u_int8_t family; member
131 const char *name; member
143 to->mode = cfg->mode; in cfg_copy()
[all …]
H A Dxt_helper.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * (C) 2001 Martin Josefsson <gandalf@wlug.westbo.se>
26 const struct xt_helper_info *info = par->matchinfo; in helper_mt()
31 bool ret = info->invert; in helper_mt()
34 if (!ct || !ct->master) in helper_mt()
37 master_help = nfct_help(ct->master); in helper_mt()
42 helper = rcu_dereference(master_help->helper); in helper_mt()
46 if (info->name[0] == '\0') in helper_mt()
49 ret ^= !strncmp(helper->name, info->name, in helper_mt()
50 strlen(helper->name)); in helper_mt()
[all …]
H A Dnft_ct.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2008-2009 Patrick McHardy <kaber@trash.net>
4 * Copyright (c) 2016 Pablo Neira Ayuso <pablo@netfilter.org>
39 static u64 nft_ct_get_eval_counter(const struct nf_conn_counter *c, in nft_ct_get_eval_counter() argument
44 return k == NFT_CT_BYTES ? atomic64_read(&c[d].bytes) : in nft_ct_get_eval_counter()
45 atomic64_read(&c[d].packets); in nft_ct_get_eval_counter()
47 return nft_ct_get_eval_counter(c, k, IP_CT_DIR_ORIGINAL) + in nft_ct_get_eval_counter()
48 nft_ct_get_eval_counter(c, k, IP_CT_DIR_REPLY); in nft_ct_get_eval_counter()
56 u32 *dest = &regs->data[priv->dreg]; in nft_ct_get_eval()
64 ct = nf_ct_get(pkt->skb, &ctinfo); in nft_ct_get_eval()
[all …]
H A Dxt_conntrack.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * xt_conntrack - Netfilter module to match connection tracking
6 * (C) 2001 Marc Boucher (marc@mbsi.ca).
7 * (C) 2006-2012 Patrick McHardy <kaber@trash.net>
8 * Copyright © CC Computer Consultants GmbH, 2007 - 2008
31 return ((kaddr->ip ^ uaddr->ip) & umask->ip) == 0; in conntrack_addrcmp()
33 return ipv6_masked_addr_cmp(&kaddr->in6, &umask->in6, in conntrack_addrcmp()
34 &uaddr->in6) == 0; in conntrack_addrcmp()
42 u_int8_t family) in conntrack_mt_origsrc() argument
44 return conntrack_addrcmp(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3, in conntrack_mt_origsrc()
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/linux/Documentation/netlink/
H A Dnetlink-raw.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
3 ---
4 $id: http://kernel.org/schemas/netlink/netlink-raw.yaml#
5 $schema: https://json-schema.org/draft-07/schema
9 name:
11 pattern: ^[0-9a-z-]+$
12 name-cap:
14 pattern: ^[0-9a-zA-Z-]+$
18 len-or-define:
20 pattern: ^[0-9A-Za-z_-]+( - 1)?$
[all …]
H A Dgenetlink.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
3 ---
4 $id: http://kernel.org/schemas/netlink/genetlink-legacy.yaml#
5 $schema: https://json-schema.org/draft-07/schema
9 name:
11 pattern: ^[0-9a-z-]+$
15 len-or-define:
17 pattern: ^[0-9A-Za-z_-]+( - 1)?$
19 len-or-limit:
20 # literal int, const name, or limit based on fixed-width type
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/linux/tools/net/ynl/pyynl/
H A Dynl_gen_c.py2 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
19 def c_upper(name): argument
20 return name.upper().replace('-', '_')
23 def c_lower(name): argument
24 return name.lower().replace('-', '_')
27 def limit_to_number(name): argument
29 Turn a string limit like u32-max or s64-min into its numerical value
31 if name[0] == 'u' and name.endswith('-min'):
33 width = int(name[1:-4])
34 if name[0] == 's':
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/linux/drivers/dma/ti/
H A Dk3-psil.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
15 #include "k3-psil-priv.h"
21 { .family = "AM65X", .data = &am654_ep_map },
22 { .family = "J721E", .data = &j721e_ep_map },
23 { .family = "J7200", .data = &j7200_ep_map },
24 { .family = "AM64X", .data = &am64_ep_map },
25 { .family = "J721S2", .data = &j721s2_ep_map },
26 { .family = "AM62X", .data = &am62_ep_map },
27 { .family = "AM62AX", .data = &am62a_ep_map },
[all …]
/linux/net/netlink/
H A Dgenetlink.c1 // SPDX-License-Identifier: GPL-2.0
3 * NETLINK Generic Netlink Family
57 static void genl_op_lock(const struct genl_family *family) in genl_op_lock() argument
59 if (!family->parallel_ops) in genl_op_lock()
63 static void genl_op_unlock(const struct genl_family *family) in genl_op_unlock() argument
65 if (!family->parallel_ops) in genl_op_unlock()
77 * Bit 1 is marked as already used since the drop-monitor code
82 * and the code no longer marks pre-reserved IDs as used.
84 * also abused this API and relied on family == group ID, we
85 * cater to that by giving it a static family and group ID.
[all …]
/linux/security/tomoyo/
H A Dnetwork.c1 // SPDX-License-Identifier: GPL-2.0
3 * security/tomoyo/network.c
5 * Copyright (C) 2005-2011 NTT DATA CORPORATION
43 * tomoyo_parse_ipaddr_union - Parse an IP address.
53 u8 * const min = ptr->ip[0].in6_u.u6_addr8; in tomoyo_parse_ipaddr_union()
54 u8 * const max = ptr->ip[1].in6_u.u6_addr8; in tomoyo_parse_ipaddr_union()
59 in4_pton(address, -1, min, '-', &end) > 0) { in tomoyo_parse_ipaddr_union()
60 ptr->is_ipv6 = false; in tomoyo_parse_ipaddr_union()
62 ptr->ip[1].s6_addr32[0] = ptr->ip[0].s6_addr32[0]; in tomoyo_parse_ipaddr_union()
63 else if (*end++ != '-' || in tomoyo_parse_ipaddr_union()
[all …]
/linux/include/linux/
H A Dw1.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
12 * struct w1_reg_num - broken out slave device id
14 * @family: identifies the type of device
15 * @id: along with family is the unique device id
20 __u64 family:8, member
26 family:8;
49 * struct w1_slave - holds a single slave device on the bus
52 * @name: Device id is ascii.
59 * @family: module for device family type
[all …]
/linux/Documentation/userspace-api/netlink/
H A Dintro-specs.rst1 .. SPDX-License-Identifier: BSD-3-Clause
21 - ``--spec`` - point to the spec file
22 - ``--do $name`` / ``--dump $name`` - issue request ``$name``
23 - ``--json $attrs`` - provide attributes for the request
24 - ``--subscribe $group`` - receive notifications from ``$group``
30 $ ./tools/net/ynl/pyynl/cli.py --spec Documentation/netlink/specs/ethtool.yaml \
31 --do rings-get \
32 --json '{"header":{"dev-index": 18}}'
33 {'header': {'dev-index': 18, 'dev-name': 'eni1np1'},
35 'rx-jumbo': 0,
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