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/linux/tools/testing/selftests/bpf/prog_tests/
H A Dtc_bpf.c26 static int test_tc_bpf_basic(const struct bpf_tc_hook *hook, int fd) in test_tc_bpf_basic() argument
37 ret = bpf_tc_attach(hook, &opts); in test_tc_bpf_basic()
48 ret = bpf_tc_attach(hook, &opts); in test_tc_bpf_basic()
53 ret = bpf_tc_query(hook, &opts); in test_tc_bpf_basic()
64 ret = bpf_tc_detach(hook, &opts); in test_tc_bpf_basic()
69 static int test_tc_bpf_api(struct bpf_tc_hook *hook, int fd) in test_tc_bpf_api() argument
77 if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_create invalid hook = NULL")) in test_tc_bpf_api()
80 /* hook ifindex = 0 */ in test_tc_bpf_api()
82 if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_create invalid hook ifindex == 0")) in test_tc_bpf_api()
86 if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_destroy invalid hook ifindex == 0")) in test_tc_bpf_api()
[all …]
H A Dbpf_qdisc.c23 DECLARE_LIBBPF_OPTS(bpf_tc_hook, hook, .ifindex = LO_IFINDEX, in do_test()
31 err = bpf_tc_hook_create(&hook); in do_test()
52 bpf_tc_hook_destroy(&hook); in do_test()
89 DECLARE_LIBBPF_OPTS(bpf_tc_hook, hook, in test_qdisc_attach_to_mq()
105 hook.ifindex = if_nametoindex("veth0"); in test_qdisc_attach_to_mq()
108 err = bpf_tc_hook_create(&hook); in test_qdisc_attach_to_mq()
111 bpf_tc_hook_destroy(&hook); in test_qdisc_attach_to_mq()
120 DECLARE_LIBBPF_OPTS(bpf_tc_hook, hook, .ifindex = LO_IFINDEX, in test_qdisc_attach_to_non_root()
138 err = bpf_tc_hook_create(&hook); in test_qdisc_attach_to_non_root()
140 bpf_tc_hook_destroy(&hook); in test_qdisc_attach_to_non_root()
/linux/net/netfilter/
H A Dnf_bpf_link.c38 const struct nf_defrag_hook *hook; in get_proto_defrag_hook() local
43 hook = rcu_dereference(*ptr_global_hook); in get_proto_defrag_hook()
44 if (!hook) { in get_proto_defrag_hook()
51 hook = rcu_dereference(*ptr_global_hook); in get_proto_defrag_hook()
54 if (hook && try_module_get(hook->owner)) { in get_proto_defrag_hook()
56 hook = rcu_pointer_handoff(hook); in get_proto_defrag_hook()
58 WARN_ONCE(!hook, "%s has bad registration", mod); in get_proto_defrag_hook()
59 hook = ERR_PTR(-ENOENT); in get_proto_defrag_hook()
63 if (!IS_ERR(hook)) { in get_proto_defrag_hook()
64 err = hook->enable(link->net); in get_proto_defrag_hook()
[all …]
H A Dnfnetlink_hook.c58 u8 hook; member
211 ret = snprintf(sym, sizeof(sym), "%ps", ops->hook); in nfnl_hook_dump_one()
279 nfnl_hook_entries_head(u8 pf, unsigned int hook, struct net *net, const char *dev) in nfnl_hook_entries_head() argument
288 if (hook >= ARRAY_SIZE(net->nf.hooks_ipv4)) in nfnl_hook_entries_head()
290 hook_head = rcu_dereference(net->nf.hooks_ipv4[hook]); in nfnl_hook_entries_head()
293 if (hook >= ARRAY_SIZE(net->nf.hooks_ipv6)) in nfnl_hook_entries_head()
295 hook_head = rcu_dereference(net->nf.hooks_ipv6[hook]); in nfnl_hook_entries_head()
299 if (hook >= ARRAY_SIZE(net->nf.hooks_arp)) in nfnl_hook_entries_head()
301 hook_head = rcu_dereference(net->nf.hooks_arp[hook]); in nfnl_hook_entries_head()
306 if (hook >= ARRAY_SIZE(net->nf.hooks_bridge)) in nfnl_hook_entries_head()
[all …]
H A Dnf_conntrack_pptp.c92 const struct nf_nat_pptp_hook *hook; in pptp_expectfn() local
103 hook = rcu_dereference(nf_nat_pptp_hook); in pptp_expectfn()
104 if (hook && ct->master->status & IPS_NAT_MASK) in pptp_expectfn()
105 hook->expectfn(ct, exp); in pptp_expectfn()
131 const struct nf_nat_pptp_hook *hook; in exp_gre() local
161 hook = rcu_dereference(nf_nat_pptp_hook); in exp_gre()
162 if (hook && ct->status & IPS_NAT_MASK) in exp_gre()
163 hook->exp_gre(exp_orig, exp_reply); in exp_gre()
197 const struct nf_nat_pptp_hook *hook; in pptp_inbound_pkt() local
304 hook = rcu_dereference(nf_nat_pptp_hook); in pptp_inbound_pkt()
[all …]
/linux/include/linux/
H A Dnetfilter.h79 u8 hook; member
104 nf_hookfn *hook; member
115 nf_hookfn *hook; member
129 /* trailer: pointers to original orig_ops of each hook,
134 * needed in slow path (hook register/unregister):
138 * only needed when a hook is deleted, not during
165 return entry->hook(entry->priv, skb, state); in nf_hook_entry_hookfn()
169 unsigned int hook, in nf_hook_state_init() argument
177 p->hook = hook; in nf_hook_state_init()
205 /* Function to register/unregister hook points. */
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H A Dpci.h361 void *sysdata; /* Hook for sys-specific extension */
722 void *sysdata; /* Hook for sys-specific extension */
1002 * @shutdown: Hook into reboot_notifier_list (kernel/sys.c).
2416 void (*hook)(struct pci_dev *dev); member
2433 class_shift, hook) \ argument
2434 __ADDRESSABLE(hook) \
2439 ".long " #hook " - . \n" \
2449 class_shift, hook, stub) \ argument
2453 hook(dev); \
2459 class_shift, hook, stub) \ argument
[all …]
/linux/tools/lib/bpf/
H A Dnetlink.c534 typedef int (*qdisc_config_t)(struct libbpf_nla_req *req, const struct bpf_tc_hook *hook);
536 static int clsact_config(struct libbpf_nla_req *req, const struct bpf_tc_hook *hook) in clsact_config() argument
544 static int qdisc_config(struct libbpf_nla_req *req, const struct bpf_tc_hook *hook) in qdisc_config() argument
546 const char *qdisc = OPTS_GET(hook, qdisc, NULL); in qdisc_config()
548 req->tc.tcm_parent = OPTS_GET(hook, parent, TC_H_ROOT); in qdisc_config()
549 req->tc.tcm_handle = OPTS_GET(hook, handle, 0); in qdisc_config()
554 static int attach_point_to_config(struct bpf_tc_hook *hook, in attach_point_to_config() argument
557 switch (OPTS_GET(hook, attach_point, 0)) { in attach_point_to_config()
561 if (OPTS_GET(hook, parent, 0)) in attach_point_to_config()
597 static int tc_qdisc_modify(struct bpf_tc_hook *hook, int cmd, int flags) in tc_qdisc_modify() argument
[all …]
/linux/rust/proc-macro2/
H A Ddetection.rs34 // Swap in a null panic hook to avoid printing "thread panicked" to stderr,
41 // thread 1 calls take_hook, gets the user's original hook
42 // thread 1 calls set_hook with the null hook
43 // thread 2 calls take_hook, thinks null hook is the original hook
44 // thread 2 calls set_hook with the null hook
45 // thread 1 calls set_hook with the actual original hook
46 // thread 2 calls set_hook with what it thinks is the original hook
48 // in which the user's hook has been lost.
51 // happen during the interval that the user's original panic hook is
52 // unregistered such that their hook is incorrectly not called. This is
/linux/net/ipv4/netfilter/
H A Dipt_REJECT.c34 int hook = xt_hooknum(par); in reject_tg() local
38 nf_send_unreach(skb, ICMP_NET_UNREACH, hook); in reject_tg()
41 nf_send_unreach(skb, ICMP_HOST_UNREACH, hook); in reject_tg()
44 nf_send_unreach(skb, ICMP_PROT_UNREACH, hook); in reject_tg()
47 nf_send_unreach(skb, ICMP_PORT_UNREACH, hook); in reject_tg()
50 nf_send_unreach(skb, ICMP_NET_ANO, hook); in reject_tg()
53 nf_send_unreach(skb, ICMP_HOST_ANO, hook); in reject_tg()
56 nf_send_unreach(skb, ICMP_PKT_FILTERED, hook); in reject_tg()
59 nf_send_reset(xt_net(par), par->state->sk, skb, hook); in reject_tg()
H A Dnf_reject_ipv4.c23 struct tcphdr *_oth, int hook);
52 int hook) in nf_reject_skb_v4_tcp_reset() argument
62 oth = nf_reject_ip_tcphdr_get(oldskb, &_oth, hook); in nf_reject_skb_v4_tcp_reset()
108 int hook, u8 code) in nf_reject_skb_v4_unreach() argument
143 nf_ip_checksum(oldskb, hook, ip_hdrlen(oldskb), proto)) in nf_reject_skb_v4_unreach()
176 struct tcphdr *_oth, int hook) in nf_reject_ip_tcphdr_get() argument
197 if (nf_ip_checksum(oldskb, hook, ip_hdrlen(oldskb), IPPROTO_TCP)) in nf_reject_ip_tcphdr_get()
274 int hook) in nf_send_reset() argument
280 oth = nf_reject_ip_tcphdr_get(oldskb, &_oth, hook); in nf_send_reset()
348 void nf_send_unreach(struct sk_buff *skb_in, int code, int hook) in nf_send_unreach() argument
[all …]
/linux/security/ipe/
H A Dhooks.c19 * ipe_bprm_check_security() - ipe security hook function for bprm check.
23 * This LSM hook is called when a binary is loaded through the exec
39 * ipe_bprm_creds_for_exec() - ipe security hook function for bprm creds check.
43 * This LSM hook is called when userspace signals the kernel to check a file
45 * The hook triggers IPE policy evaluation on the script file and returns
66 * ipe_mmap_file() - ipe security hook function for mmap check.
73 * This hook is called when a file is loaded through the mmap
94 * ipe_file_mprotect() - ipe security hook function for mprotect check.
100 * This LSM hook is called when a mmap'd region of memory is changing
126 * ipe_kernel_read_file() - ipe security hook function for kernel read.
[all …]
/linux/include/uapi/linux/netfilter/
H A Dnfnetlink_hook.h11 * enum nfnl_hook_attributes - netfilter hook netlink attributes
13 * @NFNLA_HOOK_HOOKNUM: netfilter hook number (NLA_U32)
14 * @NFNLA_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
16 * @NFNLA_HOOK_FUNCTION_NAME: hook function name (NLA_STRING)
17 * @NFNLA_HOOK_MODULE_NAME: kernel module that registered this hook (NLA_STRING)
18 * @NFNLA_HOOK_CHAIN_INFO: basechain hook metadata (NLA_NESTED)
/linux/security/integrity/ima/
H A Dima.h60 /* bitset of digests algorithms allowed in the setxattr hook */
357 #define __ima_hooks(hook) \
358 hook(NONE, none) \
359 hook(FILE_CHECK, file) \
360 hook(MMAP_CHECK, mmap) \
361 hook(MMAP_CHECK_REQPROT, mmap_reqprot) \
362 hook(BPRM_CHECK, bprm) \
363 hook(CREDS_CHECK, creds) \
364 hook(POST_SETATTR, post_setattr) \
365 hook(MODULE_CHEC
307 __ima_hooks(hook) global() argument
[all...]
/linux/security/selinux/
H A Dxfrm.c5 * This file contains the SELinux XFRM hook function implementations.
145 * LSM hook implementation that authorizes that a flow can use a xfrm policy
167 * LSM hook implementation that authorizes that a state matches
253 * LSM hook implementation that checks and/or returns the xfrm sid for the
277 * LSM hook implementation that allocs and transfers uctx spec to xfrm_policy.
287 * LSM hook implementation that copies security data structure from old to new
309 * LSM hook implementation that frees xfrm_sec_ctx security information.
317 * LSM hook implementation that authorizes deletion of labeled policies.
325 * LSM hook implementation that allocates a xfrm_sec_state, populates it using
335 * LSM hook implementation that allocates a xfrm_sec_state and populates based
[all …]
/linux/include/acpi/
H A Dbattery.h16 int (*add_battery)(struct power_supply *battery, struct acpi_battery_hook *hook);
17 int (*remove_battery)(struct power_supply *battery, struct acpi_battery_hook *hook);
21 void battery_hook_register(struct acpi_battery_hook *hook);
22 void battery_hook_unregister(struct acpi_battery_hook *hook);
23 int devm_battery_hook_register(struct device *dev, struct acpi_battery_hook *hook);
/linux/drivers/acpi/
H A Dbattery.c760 static void battery_hook_unregister_unlocked(struct acpi_battery_hook *hook) in battery_hook_unregister_unlocked() argument
765 * In order to remove a hook, we first need to in battery_hook_unregister_unlocked()
769 if (!hook->remove_battery(battery->bat, hook)) in battery_hook_unregister_unlocked()
772 list_del_init(&hook->list); in battery_hook_unregister_unlocked()
774 pr_info("hook unregistered: %s\n", hook->name); in battery_hook_unregister_unlocked()
777 void battery_hook_unregister(struct acpi_battery_hook *hook) in battery_hook_unregister() argument
782 * if a battery hook was previously unloaded due to an error when in battery_hook_unregister()
785 if (!list_empty(&hook->list)) in battery_hook_unregister()
786 battery_hook_unregister_unlocked(hook); in battery_hook_unregister()
792 void battery_hook_register(struct acpi_battery_hook *hook) in battery_hook_register() argument
[all …]
/linux/fs/xfs/
H A Dxfs_hooks.h37 typedef int (*xfs_hook_fn_t)(struct xfs_hook *hook, unsigned long action,
41 int xfs_hooks_add(struct xfs_hooks *chain, struct xfs_hook *hook);
42 void xfs_hooks_del(struct xfs_hooks *chain, struct xfs_hook *hook);
46 static inline void xfs_hook_setup(struct xfs_hook *hook, notifier_fn_t fn) in xfs_hook_setup() argument
48 hook->nb.notifier_call = fn; in xfs_hook_setup()
49 hook->nb.priority = 0; in xfs_hook_setup()
/linux/tools/testing/selftests/net/netfilter/
H A Dnft_queue.sh99 type filter hook prerouting priority $prio; policy accept;
103 type filter hook input priority $prio; policy accept;
107 type filter hook forward priority $prio; policy accept;
112 type filter hook output priority $prio; policy accept;
118 type filter hook postrouting priority $prio; policy accept;
131 type filter hook prerouting priority $prio; policy accept;
135 type filter hook input priority $prio; policy accept;
139 type filter hook forward priority $prio; policy accept;
143 type filter hook output priority $prio; policy accept;
147 type filter hook postrouting priority $prio; policy accept;
[all …]
H A Dnft_nat.sh161 type nat hook output priority 0; policy accept;
167 echo "SKIP: Could not add add $family dnat hook"
231 type nat hook output priority 0; policy accept;
242 echo "SKIP: Could not add add $family dnat hook"
353 type nat hook output priority 0; policy accept;
365 echo "SKIP: Could not add $family dnat hook"
415 type nat hook postrouting priority 0; policy accept;
421 echo "SKIP: Could not add add $family masquerade hook"
506 type nat hook postrouting priority 0; policy accept;
512 echo "SKIP: Could not add add $family masquerade hook"
[all...]
H A Dnft_interface_stress.sh6 # renaming of interfaces which netdev-family chains and flowtables hook into.
46 type filter hook ingress device rc$i priority 0
50 type filter hook ingress device rs$i priority 0
60 hook ingress priority 0
66 echo "type filter hook forward priority 0"
106 hook ingress priority 0
/linux/sound/core/
H A Dvmaster.c36 void (*hook)(void *private_data, int); member
124 if (master->hook) in master_init()
125 master->hook(master->hook_private_data, master->val); in master_init()
379 if (master->hook && !first_init) in master_put()
380 master->hook(master->hook_private_data, master->val); in master_put()
465 * snd_ctl_add_vmaster_hook - Add a hook to a vmaster control
467 * @hook: the hook function
470 * Adds the given hook to the vmaster control element so that it's called
476 void (*hook)(void *private_data, int), in snd_ctl_add_vmaster_hook()
480 master->hook = hook; in snd_ctl_add_vmaster_hook()
[all …]
/linux/net/ipv6/netfilter/
H A Dnf_reject_ipv6.c27 unsigned int *otcplen, int hook);
29 static bool nf_reject_v6_csum_ok(struct sk_buff *skb, int hook) in nf_reject_v6_csum_ok() argument
51 return nf_ip6_checksum(skb, hook, thoff, proto) == 0; in nf_reject_v6_csum_ok()
76 int hook) in nf_reject_skb_v6_tcp_reset() argument
87 oth = nf_reject_ip6_tcphdr_get(oldskb, &_oth, &otcplen, hook); in nf_reject_skb_v6_tcp_reset()
137 int hook, u8 code) in nf_reject_skb_v6_unreach() argument
159 if (!nf_reject_v6_csum_ok(oldskb, hook)) in nf_reject_skb_v6_unreach()
196 unsigned int *otcplen, int hook) in nf_reject_ip6_tcphdr_get() argument
233 if (nf_ip6_checksum(oldskb, hook, tcphoff, IPPROTO_TCP)) { in nf_reject_ip6_tcphdr_get()
314 int hook) in nf_send_reset6() argument
[all …]
/linux/security/
H A Dsecurity.c39 * security_locked_down() LSM hook. Placing this array here allows
88 #define SECURITY_HOOK_ACTIVE_KEY(HOOK, IDX) security_hook_active_##HOOK##_##IDX argument
92 * HOOK is an LSM hook as defined in linux/lsm_hookdefs.h
95 #define LSM_STATIC_CALL(HOOK, IDX) lsm_static_call_##HOOK##_##IDX argument
98 * Call the macro M for each LSM hook MAX_LSM_COUNT times.
115 * Define static calls and static keys for each LSM hook.
129 * Initialise a table of static calls for each LSM hook
466 __CALL_STATIC_VOID(NUM,HOOK,...) global() argument
473 call_void_hook(HOOK,...) global() argument
479 __CALL_STATIC_INT(NUM,R,HOOK,LABEL,...) global() argument
488 call_int_hook(HOOK,...) global() argument
[all...]
/linux/tools/testing/selftests/bpf/progs/
H A Dverifier_lsm.c131 __description("lsm disabled hook: getprocattr")
132 __failure __msg("points to disabled hook")
142 __description("lsm disabled hook: setprocattr")
143 __failure __msg("points to disabled hook")
153 __description("lsm disabled hook: ismaclabel")
154 __failure __msg("points to disabled hook")

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