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-rw-r--r--include/linux/skbuff.h44
-rw-r--r--include/net/ip.h2
-rw-r--r--include/net/sock.h8
3 files changed, 19 insertions, 35 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index d8050382b189..f067c95cf18a 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -163,26 +163,19 @@ struct skb_shared_hwtstamps {
ktime_t syststamp;
};
-/**
- * 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,
};
/* This data is invariant across clones and lives at
@@ -195,7 +188,7 @@ struct skb_shared_info {
unsigned short gso_segs;
unsigned short gso_type;
__be32 ip6_frag_id;
- union skb_shared_tx tx_flags;
+ __u8 tx_flags;
struct sk_buff *frag_list;
struct skb_shared_hwtstamps hwtstamps;
@@ -587,11 +580,6 @@ static inline struct skb_shared_hwtstamps *skb_hwtstamps(struct sk_buff *skb)
return &skb_shinfo(skb)->hwtstamps;
}
-static inline union skb_shared_tx *skb_tx(struct sk_buff *skb)
-{
- return &skb_shinfo(skb)->tx_flags;
-}
-
/**
* skb_queue_empty - check if a queue is empty
* @list: queue head
@@ -1996,8 +1984,8 @@ extern void skb_tstamp_tx(struct sk_buff *orig_skb,
static inline void sw_tx_timestamp(struct sk_buff *skb)
{
- union skb_shared_tx *shtx = skb_tx(skb);
- if (shtx->software && !shtx->in_progress)
+ if (skb_shinfo(skb)->tx_flags & SKBTX_SW_TSTAMP &&
+ !(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS))
skb_tstamp_tx(skb, NULL);
}
diff --git a/include/net/ip.h b/include/net/ip.h
index 890f9725d681..7691aca133db 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -53,7 +53,7 @@ struct ipcm_cookie {
__be32 addr;
int oif;
struct ip_options *opt;
- union skb_shared_tx shtx;
+ __u8 tx_flags;
};
#define IPCB(skb) ((struct inet_skb_parm*)((skb)->cb))
diff --git a/include/net/sock.h b/include/net/sock.h
index ac53bfbdfe16..100e43bf95fb 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1669,17 +1669,13 @@ static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
/**
* sock_tx_timestamp - checks whether the outgoing packet is to be time stamped
- * @msg: outgoing packet
* @sk: socket sending this packet
- * @shtx: filled with instructions for time stamping
+ * @tx_flags: filled with instructions for time stamping
*
* Currently only depends on SOCK_TIMESTAMPING* flags. Returns error code if
* parameters are invalid.
*/
-extern int sock_tx_timestamp(struct msghdr *msg,
- struct sock *sk,
- union skb_shared_tx *shtx);
-
+extern int sock_tx_timestamp(struct sock *sk, __u8 *tx_flags);
/**
* sk_eat_skb - Release a skb if it is no longer needed