fixup! samples/bpf: Switch over to libbpf

joestringer · Dec 15, 2016 · 6ff7726 · 6ff7726
1 parent e480135
commit 6ff7726
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Showing 6 changed files with 12 additions and 6 deletions.
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c
@@ -66,6 +66,7 @@ static int load_and_attach(const char *event, struct bpf_insn *prog, int size)
 	bool is_perf_event = strncmp(event, "perf_event", 10) == 0;
 	bool is_cgroup_skb = strncmp(event, "cgroup/skb", 10) == 0;
 	bool is_cgroup_sk = strncmp(event, "cgroup/sock", 11) == 0;
+	size_t insns_cnt = size / sizeof(struct bpf_insn);
 	enum bpf_prog_type prog_type;
 	char buf[256];
 	int fd, efd, err, id;
@@ -95,7 +96,7 @@ static int load_and_attach(const char *event, struct bpf_insn *prog, int size)
 		return -1;
 	}
 
-	fd = bpf_load_program(prog_type, prog, size, license, kern_version,
+	fd = bpf_load_program(prog_type, prog, insns_cnt, license, kern_version,
 			      bpf_log_buf, BPF_LOG_BUF_SIZE);
 	if (fd < 0) {
 		printf("bpf_load_program() err=%d\n%s", errno, bpf_log_buf);

diff --git a/samples/bpf/fds_example.c b/samples/bpf/fds_example.c
@@ -53,13 +53,14 @@ static int bpf_prog_create(const char *object)
 		BPF_MOV64_IMM(BPF_REG_0, 1),
 		BPF_EXIT_INSN(),
 	};
+	size_t insns_cnt = sizeof(insns) / sizeof(struct bpf_insn);
 
 	if (object) {
 		assert(!load_bpf_file((char *)object));
 		return prog_fd[0];
 	} else {
 		return bpf_load_program(BPF_PROG_TYPE_SOCKET_FILTER,
-					insns, sizeof(insns), "GPL", 0,
+					insns, insns_cnt, "GPL", 0,
 					bpf_log_buf, BPF_LOG_BUF_SIZE);
 	}
 }

diff --git a/samples/bpf/sock_example.c b/samples/bpf/sock_example.c
@@ -56,8 +56,9 @@ static int test_sock(void)
 		BPF_MOV64_IMM(BPF_REG_0, 0), /* r0 = 0 */
 		BPF_EXIT_INSN(),
 	};
+	size_t insns_cnt = sizeof(prog) / sizeof(struct bpf_insn);
 
-	prog_fd = bpf_load_program(BPF_PROG_TYPE_SOCKET_FILTER, prog, sizeof(prog),
+	prog_fd = bpf_load_program(BPF_PROG_TYPE_SOCKET_FILTER, prog, insns_cnt,
 				   "GPL", 0, bpf_log_buf, BPF_LOG_BUF_SIZE);
 	if (prog_fd < 0) {
 		printf("failed to load prog '%s'\n", strerror(errno));

diff --git a/samples/bpf/test_cgrp2_attach.c b/samples/bpf/test_cgrp2_attach.c
@@ -68,9 +68,10 @@ static int prog_load(int map_fd, int verdict)
 		BPF_MOV64_IMM(BPF_REG_0, verdict), /* r0 = verdict */
 		BPF_EXIT_INSN(),
 	};
+	size_t insns_cnt = sizeof(prog) / sizeof(struct bpf_insn);
 
 	return bpf_load_program(BPF_PROG_TYPE_CGROUP_SKB,
-				prog, sizeof(prog), "GPL", 0,
+				prog, insns_cnt, "GPL", 0,
 				bpf_log_buf, BPF_LOG_BUF_SIZE);
 }
 

diff --git a/samples/bpf/test_cgrp2_attach2.c b/samples/bpf/test_cgrp2_attach2.c
@@ -41,9 +41,10 @@ static int prog_load(int verdict)
 		BPF_MOV64_IMM(BPF_REG_0, verdict), /* r0 = verdict */
 		BPF_EXIT_INSN(),
 	};
+	size_t insns_cnt = sizeof(prog) / sizeof(struct bpf_insn);
 
 	ret = bpf_load_program(BPF_PROG_TYPE_CGROUP_SKB,
-			       prog, sizeof(prog), "GPL", 0,
+			       prog, insns_cnt, "GPL", 0,
 			       bpf_log_buf, BPF_LOG_BUF_SIZE);
 
 	if (ret < 0) {

diff --git a/samples/bpf/test_cgrp2_sock.c b/samples/bpf/test_cgrp2_sock.c
@@ -35,8 +35,9 @@ static int prog_load(int idx)
 		BPF_MOV64_IMM(BPF_REG_0, 1), /* r0 = verdict */
 		BPF_EXIT_INSN(),
 	};
+	size_t insns_cnt = sizeof(prog) / sizeof(struct bpf_insn);
 
-	return bpf_load_program(BPF_PROG_TYPE_CGROUP_SOCK, prog, sizeof(prog),
+	return bpf_load_program(BPF_PROG_TYPE_CGROUP_SOCK, prog, insns_cnt,
 				"GPL", 0, bpf_log_buf, BPF_LOG_BUF_SIZE);
 }