From 0df6d32842b9a5f97a29ea90c8adc5cfac38341d Mon Sep 17 00:00:00 2001 From: Martin KaFai Lau Date: Tue, 25 Feb 2020 15:04:15 -0800 Subject: inet_diag: Move the INET_DIAG_REQ_BYTECODE nlattr to cb->data The INET_DIAG_REQ_BYTECODE nlattr is currently re-found every time when the "dump()" is re-started. In a latter patch, it will also need to parse the new INET_DIAG_REQ_SK_BPF_STORAGES nlattr to learn the map_fds. Thus, this patch takes this chance to store the parsed nlattr in cb->data during the "start" time of a dump. By doing this, the "bc" argument also becomes unnecessary and is removed. Also, the two copies of the INET_DIAG_REQ_BYTECODE parsing-audit logic between compat/current version can be consolidated to one. Signed-off-by: Martin KaFai Lau Signed-off-by: Alexei Starovoitov Acked-by: Song Liu Link: https://lore.kernel.org/bpf/20200225230415.1975555-1-kafai@fb.com --- include/uapi/linux/inet_diag.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'include/uapi/linux/inet_diag.h') diff --git a/include/uapi/linux/inet_diag.h b/include/uapi/linux/inet_diag.h index a1ff345b3f33..bab9a9f8da12 100644 --- a/include/uapi/linux/inet_diag.h +++ b/include/uapi/linux/inet_diag.h @@ -64,9 +64,10 @@ struct inet_diag_req_raw { enum { INET_DIAG_REQ_NONE, INET_DIAG_REQ_BYTECODE, + __INET_DIAG_REQ_MAX, }; -#define INET_DIAG_REQ_MAX INET_DIAG_REQ_BYTECODE +#define INET_DIAG_REQ_MAX (__INET_DIAG_REQ_MAX - 1) /* Bytecode is sequence of 4 byte commands followed by variable arguments. * All the commands identified by "code" are conditional jumps forward: -- cgit v1.2.3