bpf samples: fix compiler errors with sockex2 and sockex3

These samples fail to compile as 'struct flow_keys' conflicts with
definition in net/flow_dissector.h. Fix the same by renaming the
structure used in the sample.

Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/samples/bpf/sockex2_kern.c b/samples/bpf/sockex2_kern.c
index ba0e177..44e5846 100644 (file)
--- a/samples/bpf/sockex2_kern.c
+++ b/samples/bpf/sockex2_kern.c
@@ -14,7 +14,7 @@ struct vlan_hdr {
        __be16 h_vlan_encapsulated_proto;
 };
 
-struct flow_keys {
+struct bpf_flow_keys {
        __be32 src;
        __be32 dst;
        union {
@@ -59,7 +59,7 @@ static inline __u32 ipv6_addr_hash(struct __sk_buff *ctx, __u64 off)
 }
 
 static inline __u64 parse_ip(struct __sk_buff *skb, __u64 nhoff, __u64 *ip_proto,
-                            struct flow_keys *flow)
+                            struct bpf_flow_keys *flow)
 {
        __u64 verlen;
 
@@ -83,7 +83,7 @@ static inline __u64 parse_ip(struct __sk_buff *skb, __u64 nhoff, __u64 *ip_proto
 }
 
 static inline __u64 parse_ipv6(struct __sk_buff *skb, __u64 nhoff, __u64 *ip_proto,
-                              struct flow_keys *flow)
+                              struct bpf_flow_keys *flow)
 {
        *ip_proto = load_byte(skb,
                              nhoff + offsetof(struct ipv6hdr, nexthdr));
@@ -96,7 +96,7 @@ static inline __u64 parse_ipv6(struct __sk_buff *skb, __u64 nhoff, __u64 *ip_pro
        return nhoff;
 }
 
-static inline bool flow_dissector(struct __sk_buff *skb, struct flow_keys *flow)
+static inline bool flow_dissector(struct __sk_buff *skb, struct bpf_flow_keys *flow)
 {
        __u64 nhoff = ETH_HLEN;
        __u64 ip_proto;
@@ -198,7 +198,7 @@ struct bpf_map_def SEC("maps") hash_map = {
 SEC("socket2")
 int bpf_prog2(struct __sk_buff *skb)
 {
-       struct flow_keys flow;
+       struct bpf_flow_keys flow;
        struct pair *value;
        u32 key;
 

diff --git a/samples/bpf/sockex3_kern.c b/samples/bpf/sockex3_kern.c
index 41ae2fd..95907f8 100644 (file)
--- a/samples/bpf/sockex3_kern.c
+++ b/samples/bpf/sockex3_kern.c
@@ -61,7 +61,7 @@ struct vlan_hdr {
        __be16 h_vlan_encapsulated_proto;
 };
 
-struct flow_keys {
+struct bpf_flow_keys {
        __be32 src;
        __be32 dst;
        union {
@@ -88,7 +88,7 @@ static inline __u32 ipv6_addr_hash(struct __sk_buff *ctx, __u64 off)
 }
 
 struct globals {
-       struct flow_keys flow;
+       struct bpf_flow_keys flow;
 };
 
 struct bpf_map_def SEC("maps") percpu_map = {
@@ -114,14 +114,14 @@ struct pair {
 
 struct bpf_map_def SEC("maps") hash_map = {
        .type = BPF_MAP_TYPE_HASH,
-       .key_size = sizeof(struct flow_keys),
+       .key_size = sizeof(struct bpf_flow_keys),
        .value_size = sizeof(struct pair),
        .max_entries = 1024,
 };
 
 static void update_stats(struct __sk_buff *skb, struct globals *g)
 {
-       struct flow_keys key = g->flow;
+       struct bpf_flow_keys key = g->flow;
        struct pair *value;
 
        value = bpf_map_lookup_elem(&hash_map, &key);

diff --git a/samples/bpf/sockex3_user.c b/samples/bpf/sockex3_user.c
index d4184ab..3fcfd8c 100644 (file)
--- a/samples/bpf/sockex3_user.c
+++ b/samples/bpf/sockex3_user.c
@@ -7,7 +7,7 @@
 #include <arpa/inet.h>
 #include <sys/resource.h>
 
-struct flow_keys {
+struct bpf_flow_keys {
        __be32 src;
        __be32 dst;
        union {
@@ -49,7 +49,7 @@ int main(int argc, char **argv)
        (void) f;
 
        for (i = 0; i < 5; i++) {
-               struct flow_keys key = {}, next_key;
+               struct bpf_flow_keys key = {}, next_key;
                struct pair value;
 
                sleep(1);