libbpf-tools: Use __u16 for bindsnoop protocol.

The kernel uses u16 for sk_protocol [1] and multipath TCP connection protocol has value 262 [2] Signed-off-by: Francis Laniel <[email protected]> --- [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/net/sock.h?h=v5.16#n481 [2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/in.h?h=v5.16#n81
yingtaojuzi · Feb 21, 2022 · 2e0804e · 2e0804e
1 parent 2895551
commit 2e0804e
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Showing 2 changed files with 1 addition and 2 deletions.
diff --git a/libbpf-tools/bindsnoop.bpf.c b/libbpf-tools/bindsnoop.bpf.c
@@ -6,7 +6,6 @@
 #include <bpf/bpf_tracing.h>
 #include <bpf/bpf_endian.h>
 #include "bindsnoop.h"
-#include "maps.bpf.h"
 
 #define MAX_ENTRIES 10240
 #define MAX_PORTS 1024

diff --git a/libbpf-tools/bindsnoop.h b/libbpf-tools/bindsnoop.h
@@ -11,8 +11,8 @@ struct bind_event {
  __u32 bound_dev_if;
  int ret;
  __u16 port;
+ __u16 proto;
  __u8 opts;
- __u8 proto;
  __u8 ver;
  char task[TASK_COMM_LEN];
 };