-/**
- * struct skb_shared_tx - instructions for time stamping of outgoing packets
- * @hardware: generate hardware time stamp
- * @software: generate software time stamp
- * @in_progress: device driver is going to provide
- * hardware time stamp
- * @prevent_sk_orphan: make sk reference available on driver level
- * @flags: all shared_tx flags
- *
- * These flags are attached to packets as part of the
- * &skb_shared_info. Use skb_tx() to get a pointer.
- */
-union skb_shared_tx {
- struct {
- __u8 hardware:1,
- software:1,
- in_progress:1,
- prevent_sk_orphan:1;
- };
- __u8 flags;
+/* Definitions for tx_flags in struct skb_shared_info */
+enum {
+ /* generate hardware time stamp */
+ SKBTX_HW_TSTAMP = 1 << 0,
+
+ /* generate software time stamp */
+ SKBTX_SW_TSTAMP = 1 << 1,
+
+ /* device driver is going to provide hardware time stamp */
+ SKBTX_IN_PROGRESS = 1 << 2,
+
+ /* ensure the originating sk reference is available on driver level */
+ SKBTX_DRV_NEEDS_SK_REF = 1 << 3,