Add contents of linux/can/bcm.h

(backport <#4683>)
(cherry picked from commit 62a1fad)

Author: coolreader18

libc-test/build.rs

@@ -3886,6 +3886,7 @@ fn test_linux(target: &str) {
         headers! { cfg:
             [gnu]: "linux/aio_abi.h",
             "linux/can.h",
+            "linux/can/bcm.h",
             "linux/can/raw.h",
             "linux/can/j1939.h",
             "linux/cn_proc.h",
@@ -4960,7 +4961,7 @@ fn test_linux(target: &str) {
         (musl && struct_ == "tcp_info" && field == "tcpi_delivery_fastopen_bitfields") ||
         // either fsid_t or int[2] type
         (struct_ == "fanotify_event_info_fid" && field == "fsid") ||
-        // `handle` is a VLA
+        // `handle` is a flexible array member
         (struct_ == "fanotify_event_info_fid" && field == "handle") ||
         // `anonymous_1` is an anonymous union
         (struct_ == "ptp_perout_request" && field == "anonymous_1") ||
@@ -4978,7 +4979,9 @@ fn test_linux(target: &str) {
         // the `xsk_tx_metadata_union` field is an anonymous union
         (struct_ == "xsk_tx_metadata" && field == "xsk_tx_metadata_union") ||
         // After musl 1.2.0, the type becomes `int` instead of `long`.
-        (old_musl && struct_ == "utmpx" && field == "ut_session")
+        (old_musl && struct_ == "utmpx" && field == "ut_session") ||
+        // `frames` is a flexible array member
+        (struct_ == "bcm_msg_head" && field == "frames")
     });
 
     cfg.skip_roundtrip(move |s| match s {
@@ -5017,6 +5020,7 @@ fn test_linux(target: &str) {
         "inotify_event" => true,
         "fanotify_event_info_fid" => true,
         "cmsghdr" => true,
+        "bcm_msg_head" => true,
 
         // FIXME(linux): the call ABI of max_align_t is incorrect on these platforms:
         "max_align_t" if i686 || ppc64 => true,

libc-test/semver/linux.txt

@@ -234,6 +234,7 @@ CAN_EFF_ID_BITS
 CAN_EFF_MASK
 CAN_ERR_FLAG
 CAN_ERR_MASK
+CAN_FD_FRAME
 CAN_INV_FILTER
 CAN_ISOTP
 CAN_J1939
@@ -2711,6 +2712,17 @@ RT_TOS
 RUSAGE_CHILDREN
 RUSAGE_SELF
 RUSAGE_THREAD
+RX_ANNOUNCE_RESUME
+RX_CHANGED
+RX_CHECK_DLC
+RX_DELETE
+RX_FILTER_ID
+RX_NO_AUTOTIMER
+RX_READ
+RX_RTR_FRAME
+RX_SETUP
+RX_STATUS
+RX_TIMEOUT
 SCHED_BATCH
 SCHED_FIFO
 SCHED_IDLE
@@ -2844,6 +2856,7 @@ SEM_STAT
 SEM_STAT_ANY
 SEM_UNDO
 SETALL
+SETTIMER
 SETVAL
 SFD_CLOEXEC
 SFD_NONBLOCK
@@ -3088,6 +3101,7 @@ SPLICE_F_MOVE
 SPLICE_F_NONBLOCK
 SS_DISABLE
 SS_ONSTACK
+STARTTIMER
 STICKY_TIMEOUTS
 ST_APPEND
 ST_IMMUTABLE
@@ -3576,6 +3590,16 @@ TUN_TAP_DEV
 TUN_TUN_DEV
 TUN_TX_TIMESTAMP
 TUN_TYPE_MASK
+TX_ANNOUNCE
+TX_COUNTEVT
+TX_CP_CAN_ID
+TX_DELETE
+TX_EXPIRED
+TX_READ
+TX_RESET_MULTI_IDX
+TX_SEND
+TX_SETUP
+TX_STATUS
 T_FMT
 T_FMT_AMPM
 UDP_CORK
@@ -3859,6 +3883,8 @@ arpd_request
 arphdr
 arpreq
 arpreq_old
+bcm_msg_head
+bcm_timeval
 blkcnt64_t
 brk
 bsearch

src/new/linux_uapi/linux/can.rs

@@ -1,8 +1,10 @@
 //! Header: `uapi/linux/can.h`
 
+pub(crate) mod bcm;
 pub(crate) mod j1939;
 pub(crate) mod raw;
 
+pub use bcm::*;
 pub use j1939::*;
 pub use raw::*;
 

src/new/linux_uapi/linux/can/bcm.rs

@@ -0,0 +1,52 @@
+//! `linux/can/bcm.h`
+
+pub use crate::linux::can::*;
+
+s! {
+    pub struct bcm_timeval {
+        pub tv_sec: c_long,
+        pub tv_usec: c_long,
+    }
+
+    pub struct bcm_msg_head {
+        pub opcode: u32,
+        pub flags: u32,
+        pub count: u32,
+        pub ival1: bcm_timeval,
+        pub ival2: bcm_timeval,
+        pub can_id: canid_t,
+        pub nframes: u32,
+        pub frames: [can_frame; 0],
+    }
+}
+
+c_enum! {
+    #[repr(u32)]
+    pub enum #anon {
+        TX_SETUP = 1,
+        TX_DELETE,
+        TX_READ,
+        TX_SEND,
+        RX_SETUP,
+        RX_DELETE,
+        RX_READ,
+        TX_STATUS,
+        TX_EXPIRED,
+        RX_STATUS,
+        RX_TIMEOUT,
+        RX_CHANGED,
+    }
+}
+
+pub const SETTIMER: u32 = 0x0001;
+pub const STARTTIMER: u32 = 0x0002;
+pub const TX_COUNTEVT: u32 = 0x0004;
+pub const TX_ANNOUNCE: u32 = 0x0008;
+pub const TX_CP_CAN_ID: u32 = 0x0010;
+pub const RX_FILTER_ID: u32 = 0x0020;
+pub const RX_CHECK_DLC: u32 = 0x0040;
+pub const RX_NO_AUTOTIMER: u32 = 0x0080;
+pub const RX_ANNOUNCE_RESUME: u32 = 0x0100;
+pub const TX_RESET_MULTI_IDX: u32 = 0x0200;
+pub const RX_RTR_FRAME: u32 = 0x0400;
+pub const CAN_FD_FRAME: u32 = 0x0800;