diff options
Diffstat (limited to 'tools/testing/selftests/bpf/test_sockmap_kern.h')
| -rw-r--r-- | tools/testing/selftests/bpf/test_sockmap_kern.h | 451 |
1 files changed, 0 insertions, 451 deletions
diff --git a/tools/testing/selftests/bpf/test_sockmap_kern.h b/tools/testing/selftests/bpf/test_sockmap_kern.h deleted file mode 100644 index 9b4d3a68a91a..000000000000 --- a/tools/testing/selftests/bpf/test_sockmap_kern.h +++ /dev/null @@ -1,451 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (c) 2017-2018 Covalent IO, Inc. http://covalent.io */ -#include <stddef.h> -#include <string.h> -#include <linux/bpf.h> -#include <linux/if_ether.h> -#include <linux/if_packet.h> -#include <linux/ip.h> -#include <linux/ipv6.h> -#include <linux/in.h> -#include <linux/udp.h> -#include <linux/tcp.h> -#include <linux/pkt_cls.h> -#include <sys/socket.h> -#include <bpf/bpf_helpers.h> -#include <bpf/bpf_endian.h> - -/* Sockmap sample program connects a client and a backend together - * using cgroups. - * - * client:X <---> frontend:80 client:X <---> backend:80 - * - * For simplicity we hard code values here and bind 1:1. The hard - * coded values are part of the setup in sockmap.sh script that - * is associated with this BPF program. - * - * The bpf_printk is verbose and prints information as connections - * are established and verdicts are decided. - */ - -struct { - __uint(type, TEST_MAP_TYPE); - __uint(max_entries, 20); - __uint(key_size, sizeof(int)); - __uint(value_size, sizeof(int)); -} sock_map SEC(".maps"); - -struct { - __uint(type, TEST_MAP_TYPE); - __uint(max_entries, 20); - __uint(key_size, sizeof(int)); - __uint(value_size, sizeof(int)); -} sock_map_txmsg SEC(".maps"); - -struct { - __uint(type, TEST_MAP_TYPE); - __uint(max_entries, 20); - __uint(key_size, sizeof(int)); - __uint(value_size, sizeof(int)); -} sock_map_redir SEC(".maps"); - -struct { - __uint(type, BPF_MAP_TYPE_ARRAY); - __uint(max_entries, 1); - __type(key, int); - __type(value, int); -} sock_apply_bytes SEC(".maps"); - -struct { - __uint(type, BPF_MAP_TYPE_ARRAY); - __uint(max_entries, 1); - __type(key, int); - __type(value, int); -} sock_cork_bytes SEC(".maps"); - -struct { - __uint(type, BPF_MAP_TYPE_ARRAY); - __uint(max_entries, 6); - __type(key, int); - __type(value, int); -} sock_bytes SEC(".maps"); - -struct { - __uint(type, BPF_MAP_TYPE_ARRAY); - __uint(max_entries, 1); - __type(key, int); - __type(value, int); -} sock_redir_flags SEC(".maps"); - -struct { - __uint(type, BPF_MAP_TYPE_ARRAY); - __uint(max_entries, 1); - __type(key, int); - __type(value, int); -} sock_skb_opts SEC(".maps"); - -SEC("sk_skb1") -int bpf_prog1(struct __sk_buff *skb) -{ - return skb->len; -} - -SEC("sk_skb2") -int bpf_prog2(struct __sk_buff *skb) -{ - __u32 lport = skb->local_port; - __u32 rport = skb->remote_port; - int len, *f, ret, zero = 0; - __u64 flags = 0; - - if (lport == 10000) - ret = 10; - else - ret = 1; - - len = (__u32)skb->data_end - (__u32)skb->data; - f = bpf_map_lookup_elem(&sock_skb_opts, &zero); - if (f && *f) { - ret = 3; - flags = *f; - } - - bpf_printk("sk_skb2: redirect(%iB) flags=%i\n", - len, flags); -#ifdef SOCKMAP - return bpf_sk_redirect_map(skb, &sock_map, ret, flags); -#else - return bpf_sk_redirect_hash(skb, &sock_map, &ret, flags); -#endif - -} - -SEC("sockops") -int bpf_sockmap(struct bpf_sock_ops *skops) -{ - __u32 lport, rport; - int op, err = 0, index, key, ret; - - - op = (int) skops->op; - - switch (op) { - case BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB: - lport = skops->local_port; - rport = skops->remote_port; - - if (lport == 10000) { - ret = 1; -#ifdef SOCKMAP - err = bpf_sock_map_update(skops, &sock_map, &ret, - BPF_NOEXIST); -#else - err = bpf_sock_hash_update(skops, &sock_map, &ret, - BPF_NOEXIST); -#endif - bpf_printk("passive(%i -> %i) map ctx update err: %d\n", - lport, bpf_ntohl(rport), err); - } - break; - case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB: - lport = skops->local_port; - rport = skops->remote_port; - - if (bpf_ntohl(rport) == 10001) { - ret = 10; -#ifdef SOCKMAP - err = bpf_sock_map_update(skops, &sock_map, &ret, - BPF_NOEXIST); -#else - err = bpf_sock_hash_update(skops, &sock_map, &ret, - BPF_NOEXIST); -#endif - bpf_printk("active(%i -> %i) map ctx update err: %d\n", - lport, bpf_ntohl(rport), err); - } - break; - default: - break; - } - - return 0; -} - -SEC("sk_msg1") -int bpf_prog4(struct sk_msg_md *msg) -{ - int *bytes, zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5; - int *start, *end, *start_push, *end_push, *start_pop, *pop; - - bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero); - if (bytes) - bpf_msg_apply_bytes(msg, *bytes); - bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero); - if (bytes) - bpf_msg_cork_bytes(msg, *bytes); - start = bpf_map_lookup_elem(&sock_bytes, &zero); - end = bpf_map_lookup_elem(&sock_bytes, &one); - if (start && end) - bpf_msg_pull_data(msg, *start, *end, 0); - start_push = bpf_map_lookup_elem(&sock_bytes, &two); - end_push = bpf_map_lookup_elem(&sock_bytes, &three); - if (start_push && end_push) - bpf_msg_push_data(msg, *start_push, *end_push, 0); - start_pop = bpf_map_lookup_elem(&sock_bytes, &four); - pop = bpf_map_lookup_elem(&sock_bytes, &five); - if (start_pop && pop) - bpf_msg_pop_data(msg, *start_pop, *pop, 0); - return SK_PASS; -} - -SEC("sk_msg2") -int bpf_prog5(struct sk_msg_md *msg) -{ - int zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5; - int *start, *end, *start_push, *end_push, *start_pop, *pop; - int *bytes, len1, len2 = 0, len3, len4; - int err1 = -1, err2 = -1; - - bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero); - if (bytes) - err1 = bpf_msg_apply_bytes(msg, *bytes); - bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero); - if (bytes) - err2 = bpf_msg_cork_bytes(msg, *bytes); - len1 = (__u64)msg->data_end - (__u64)msg->data; - start = bpf_map_lookup_elem(&sock_bytes, &zero); - end = bpf_map_lookup_elem(&sock_bytes, &one); - if (start && end) { - int err; - - bpf_printk("sk_msg2: pull(%i:%i)\n", - start ? *start : 0, end ? *end : 0); - err = bpf_msg_pull_data(msg, *start, *end, 0); - if (err) - bpf_printk("sk_msg2: pull_data err %i\n", - err); - len2 = (__u64)msg->data_end - (__u64)msg->data; - bpf_printk("sk_msg2: length update %i->%i\n", - len1, len2); - } - - start_push = bpf_map_lookup_elem(&sock_bytes, &two); - end_push = bpf_map_lookup_elem(&sock_bytes, &three); - if (start_push && end_push) { - int err; - - bpf_printk("sk_msg2: push(%i:%i)\n", - start_push ? *start_push : 0, - end_push ? *end_push : 0); - err = bpf_msg_push_data(msg, *start_push, *end_push, 0); - if (err) - bpf_printk("sk_msg2: push_data err %i\n", err); - len3 = (__u64)msg->data_end - (__u64)msg->data; - bpf_printk("sk_msg2: length push_update %i->%i\n", - len2 ? len2 : len1, len3); - } - start_pop = bpf_map_lookup_elem(&sock_bytes, &four); - pop = bpf_map_lookup_elem(&sock_bytes, &five); - if (start_pop && pop) { - int err; - - bpf_printk("sk_msg2: pop(%i@%i)\n", - start_pop, pop); - err = bpf_msg_pop_data(msg, *start_pop, *pop, 0); - if (err) - bpf_printk("sk_msg2: pop_data err %i\n", err); - len4 = (__u64)msg->data_end - (__u64)msg->data; - bpf_printk("sk_msg2: length pop_data %i->%i\n", - len1 ? len1 : 0, len4); - } - - bpf_printk("sk_msg2: data length %i err1 %i err2 %i\n", - len1, err1, err2); - return SK_PASS; -} - -SEC("sk_msg3") -int bpf_prog6(struct sk_msg_md *msg) -{ - int zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5, key = 0; - int *bytes, *start, *end, *start_push, *end_push, *start_pop, *pop, *f; - __u64 flags = 0; - - bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero); - if (bytes) - bpf_msg_apply_bytes(msg, *bytes); - bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero); - if (bytes) - bpf_msg_cork_bytes(msg, *bytes); - - start = bpf_map_lookup_elem(&sock_bytes, &zero); - end = bpf_map_lookup_elem(&sock_bytes, &one); - if (start && end) - bpf_msg_pull_data(msg, *start, *end, 0); - - start_push = bpf_map_lookup_elem(&sock_bytes, &two); - end_push = bpf_map_lookup_elem(&sock_bytes, &three); - if (start_push && end_push) - bpf_msg_push_data(msg, *start_push, *end_push, 0); - - start_pop = bpf_map_lookup_elem(&sock_bytes, &four); - pop = bpf_map_lookup_elem(&sock_bytes, &five); - if (start_pop && pop) - bpf_msg_pop_data(msg, *start_pop, *pop, 0); - - f = bpf_map_lookup_elem(&sock_redir_flags, &zero); - if (f && *f) { - key = 2; - flags = *f; - } -#ifdef SOCKMAP - return bpf_msg_redirect_map(msg, &sock_map_redir, key, flags); -#else - return bpf_msg_redirect_hash(msg, &sock_map_redir, &key, flags); -#endif -} - -SEC("sk_msg4") -int bpf_prog7(struct sk_msg_md *msg) -{ - int *bytes, *start, *end, *start_push, *end_push, *start_pop, *pop, *f; - int zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5; - int len1, len2 = 0, len3, len4; - int err1 = 0, err2 = 0, key = 0; - __u64 flags = 0; - - int err; - bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero); - if (bytes) - err1 = bpf_msg_apply_bytes(msg, *bytes); - bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero); - if (bytes) - err2 = bpf_msg_cork_bytes(msg, *bytes); - len1 = (__u64)msg->data_end - (__u64)msg->data; - - start = bpf_map_lookup_elem(&sock_bytes, &zero); - end = bpf_map_lookup_elem(&sock_bytes, &one); - if (start && end) { - bpf_printk("sk_msg2: pull(%i:%i)\n", - start ? *start : 0, end ? *end : 0); - err = bpf_msg_pull_data(msg, *start, *end, 0); - if (err) - bpf_printk("sk_msg2: pull_data err %i\n", - err); - len2 = (__u64)msg->data_end - (__u64)msg->data; - bpf_printk("sk_msg2: length update %i->%i\n", - len1, len2); - } - - start_push = bpf_map_lookup_elem(&sock_bytes, &two); - end_push = bpf_map_lookup_elem(&sock_bytes, &three); - if (start_push && end_push) { - bpf_printk("sk_msg4: push(%i:%i)\n", - start_push ? *start_push : 0, - end_push ? *end_push : 0); - err = bpf_msg_push_data(msg, *start_push, *end_push, 0); - if (err) - bpf_printk("sk_msg4: push_data err %i\n", - err); - len3 = (__u64)msg->data_end - (__u64)msg->data; - bpf_printk("sk_msg4: length push_update %i->%i\n", - len2 ? len2 : len1, len3); - } - - start_pop = bpf_map_lookup_elem(&sock_bytes, &four); - pop = bpf_map_lookup_elem(&sock_bytes, &five); - if (start_pop && pop) { - int err; - - bpf_printk("sk_msg4: pop(%i@%i)\n", - start_pop, pop); - err = bpf_msg_pop_data(msg, *start_pop, *pop, 0); - if (err) - bpf_printk("sk_msg4: pop_data err %i\n", err); - len4 = (__u64)msg->data_end - (__u64)msg->data; - bpf_printk("sk_msg4: length pop_data %i->%i\n", - len1 ? len1 : 0, len4); - } - - - f = bpf_map_lookup_elem(&sock_redir_flags, &zero); - if (f && *f) { - key = 2; - flags = *f; - } - bpf_printk("sk_msg3: redirect(%iB) flags=%i err=%i\n", - len1, flags, err1 ? err1 : err2); -#ifdef SOCKMAP - err = bpf_msg_redirect_map(msg, &sock_map_redir, key, flags); -#else - err = bpf_msg_redirect_hash(msg, &sock_map_redir, &key, flags); -#endif - bpf_printk("sk_msg3: err %i\n", err); - return err; -} - -SEC("sk_msg5") -int bpf_prog8(struct sk_msg_md *msg) -{ - void *data_end = (void *)(long) msg->data_end; - void *data = (void *)(long) msg->data; - int ret = 0, *bytes, zero = 0; - - bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero); - if (bytes) { - ret = bpf_msg_apply_bytes(msg, *bytes); - if (ret) - return SK_DROP; - } else { - return SK_DROP; - } - return SK_PASS; -} -SEC("sk_msg6") -int bpf_prog9(struct sk_msg_md *msg) -{ - void *data_end = (void *)(long) msg->data_end; - void *data = (void *)(long) msg->data; - int ret = 0, *bytes, zero = 0; - - bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero); - if (bytes) { - if (((__u64)data_end - (__u64)data) >= *bytes) - return SK_PASS; - ret = bpf_msg_cork_bytes(msg, *bytes); - if (ret) - return SK_DROP; - } - return SK_PASS; -} - -SEC("sk_msg7") -int bpf_prog10(struct sk_msg_md *msg) -{ - int *bytes, *start, *end, *start_push, *end_push, *start_pop, *pop; - int zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5; - - bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero); - if (bytes) - bpf_msg_apply_bytes(msg, *bytes); - bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero); - if (bytes) - bpf_msg_cork_bytes(msg, *bytes); - start = bpf_map_lookup_elem(&sock_bytes, &zero); - end = bpf_map_lookup_elem(&sock_bytes, &one); - if (start && end) - bpf_msg_pull_data(msg, *start, *end, 0); - start_push = bpf_map_lookup_elem(&sock_bytes, &two); - end_push = bpf_map_lookup_elem(&sock_bytes, &three); - if (start_push && end_push) - bpf_msg_push_data(msg, *start_push, *end_push, 0); - start_pop = bpf_map_lookup_elem(&sock_bytes, &four); - pop = bpf_map_lookup_elem(&sock_bytes, &five); - if (start_pop && pop) - bpf_msg_pop_data(msg, *start_pop, *pop, 0); - bpf_printk("return sk drop\n"); - return SK_DROP; -} - -int _version SEC("version") = 1; -char _license[] SEC("license") = "GPL"; |