diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
| commit | e5fd91f1ef340da553f7a79da9540c3db711c937 (patch) | |
| tree | b11842027dc6641da63f4bcc524f8678263304a3 /samples/bpf/tcbpf1_kern.c | |
| parent | 2a9b0348e685a63d97486f6749622b61e9e3292f (diff) | |
Linux-libre 4.2-gnu
Diffstat (limited to 'samples/bpf/tcbpf1_kern.c')
| -rw-r--r-- | samples/bpf/tcbpf1_kern.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/samples/bpf/tcbpf1_kern.c b/samples/bpf/tcbpf1_kern.c index 7c27710f8..9bfb2eb34 100644 --- a/samples/bpf/tcbpf1_kern.c +++ b/samples/bpf/tcbpf1_kern.c @@ -21,7 +21,7 @@ static inline void set_dst_mac(struct __sk_buff *skb, char *mac) static inline void set_ip_tos(struct __sk_buff *skb, __u8 new_tos) { - __u8 old_tos = load_byte(skb, BPF_LL_OFF + TOS_OFF); + __u8 old_tos = load_byte(skb, TOS_OFF); bpf_l3_csum_replace(skb, IP_CSUM_OFF, htons(old_tos), htons(new_tos), 2); bpf_skb_store_bytes(skb, TOS_OFF, &new_tos, sizeof(new_tos), 0); @@ -34,7 +34,7 @@ static inline void set_ip_tos(struct __sk_buff *skb, __u8 new_tos) static inline void set_tcp_ip_src(struct __sk_buff *skb, __u32 new_ip) { - __u32 old_ip = _htonl(load_word(skb, BPF_LL_OFF + IP_SRC_OFF)); + __u32 old_ip = _htonl(load_word(skb, IP_SRC_OFF)); bpf_l4_csum_replace(skb, TCP_CSUM_OFF, old_ip, new_ip, IS_PSEUDO | sizeof(new_ip)); bpf_l3_csum_replace(skb, IP_CSUM_OFF, old_ip, new_ip, sizeof(new_ip)); @@ -44,7 +44,7 @@ static inline void set_tcp_ip_src(struct __sk_buff *skb, __u32 new_ip) #define TCP_DPORT_OFF (ETH_HLEN + sizeof(struct iphdr) + offsetof(struct tcphdr, dest)) static inline void set_tcp_dest_port(struct __sk_buff *skb, __u16 new_port) { - __u16 old_port = htons(load_half(skb, BPF_LL_OFF + TCP_DPORT_OFF)); + __u16 old_port = htons(load_half(skb, TCP_DPORT_OFF)); bpf_l4_csum_replace(skb, TCP_CSUM_OFF, old_port, new_port, sizeof(new_port)); bpf_skb_store_bytes(skb, TCP_DPORT_OFF, &new_port, sizeof(new_port), 0); @@ -53,7 +53,7 @@ static inline void set_tcp_dest_port(struct __sk_buff *skb, __u16 new_port) SEC("classifier") int bpf_prog1(struct __sk_buff *skb) { - __u8 proto = load_byte(skb, BPF_LL_OFF + ETH_HLEN + offsetof(struct iphdr, protocol)); + __u8 proto = load_byte(skb, ETH_HLEN + offsetof(struct iphdr, protocol)); long *value; if (proto == IPPROTO_TCP) { |