diff options
Diffstat (limited to 'samples/bpf')
| -rw-r--r-- | samples/bpf/net_shared.h | 6 | ||||
| -rw-r--r-- | samples/bpf/sock_flags_kern.c | 10 | ||||
| -rw-r--r-- | samples/bpf/test_cgrp2_tc_kern.c | 6 | ||||
| -rw-r--r-- | samples/bpf/test_lwt_bpf.c | 3 |
4 files changed, 15 insertions, 10 deletions
diff --git a/samples/bpf/net_shared.h b/samples/bpf/net_shared.h index 04b29b217d25..e9429af9aa44 100644 --- a/samples/bpf/net_shared.h +++ b/samples/bpf/net_shared.h @@ -2,6 +2,9 @@ #ifndef _NET_SHARED_H #define _NET_SHARED_H +#define AF_INET 2 +#define AF_INET6 10 + #define ETH_ALEN 6 #define ETH_P_802_3_MIN 0x0600 #define ETH_P_8021Q 0x8100 @@ -11,6 +14,9 @@ #define ETH_P_ARP 0x0806 #define IPPROTO_ICMPV6 58 +#define TC_ACT_OK 0 +#define TC_ACT_SHOT 2 + #if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \ __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ #define bpf_ntohs(x) __builtin_bswap16(x) diff --git a/samples/bpf/sock_flags_kern.c b/samples/bpf/sock_flags_kern.c index 1d58cb9b6fa4..84837ed48eb3 100644 --- a/samples/bpf/sock_flags_kern.c +++ b/samples/bpf/sock_flags_kern.c @@ -1,5 +1,5 @@ +#include "net_shared.h" #include <uapi/linux/bpf.h> -#include <linux/socket.h> #include <linux/net.h> #include <uapi/linux/in.h> #include <uapi/linux/in6.h> @@ -17,10 +17,10 @@ int bpf_prog1(struct bpf_sock *sk) bpf_trace_printk(fmt, sizeof(fmt), sk->family, sk->type, sk->protocol); bpf_trace_printk(fmt2, sizeof(fmt2), uid, gid); - /* block PF_INET6, SOCK_DGRAM, IPPROTO_ICMPV6 sockets + /* block AF_INET6, SOCK_DGRAM, IPPROTO_ICMPV6 sockets * ie., make ping6 fail */ - if (sk->family == PF_INET6 && + if (sk->family == AF_INET6 && sk->type == SOCK_DGRAM && sk->protocol == IPPROTO_ICMPV6) return 0; @@ -35,10 +35,10 @@ int bpf_prog2(struct bpf_sock *sk) bpf_trace_printk(fmt, sizeof(fmt), sk->family, sk->type, sk->protocol); - /* block PF_INET, SOCK_DGRAM, IPPROTO_ICMP sockets + /* block AF_INET, SOCK_DGRAM, IPPROTO_ICMP sockets * ie., make ping fail */ - if (sk->family == PF_INET && + if (sk->family == AF_INET && sk->type == SOCK_DGRAM && sk->protocol == IPPROTO_ICMP) return 0; diff --git a/samples/bpf/test_cgrp2_tc_kern.c b/samples/bpf/test_cgrp2_tc_kern.c index 737ce3eb8944..45a2f01d2029 100644 --- a/samples/bpf/test_cgrp2_tc_kern.c +++ b/samples/bpf/test_cgrp2_tc_kern.c @@ -5,10 +5,8 @@ * License as published by the Free Software Foundation. */ #define KBUILD_MODNAME "foo" -#include <uapi/linux/if_ether.h> -#include <uapi/linux/in6.h> +#include "net_shared.h" #include <uapi/linux/ipv6.h> -#include <uapi/linux/pkt_cls.h> #include <uapi/linux/bpf.h> #include <bpf/bpf_helpers.h> @@ -42,7 +40,7 @@ int handle_egress(struct __sk_buff *skb) if (data + sizeof(*eth) + sizeof(*ip6h) > data_end) return TC_ACT_OK; - if (eth->h_proto != htons(ETH_P_IPV6) || + if (eth->h_proto != bpf_htons(ETH_P_IPV6) || ip6h->nexthdr != IPPROTO_ICMPV6) { bpf_trace_printk(dont_care_msg, sizeof(dont_care_msg), eth->h_proto, ip6h->nexthdr); diff --git a/samples/bpf/test_lwt_bpf.c b/samples/bpf/test_lwt_bpf.c index f53dab88d231..fc093fbc760a 100644 --- a/samples/bpf/test_lwt_bpf.c +++ b/samples/bpf/test_lwt_bpf.c @@ -10,6 +10,7 @@ * General Public License for more details. */ +#include "net_shared.h" #include <stdint.h> #include <stddef.h> #include <linux/bpf.h> @@ -176,7 +177,7 @@ static inline int __do_push_ll_and_redirect(struct __sk_buff *skb) printk("skb_change_head() failed: %d", ret); } - ehdr.h_proto = __constant_htons(ETH_P_IP); + ehdr.h_proto = bpf_htons(ETH_P_IP); memcpy(&ehdr.h_source, &smac, 6); memcpy(&ehdr.h_dest, &dmac, 6); |