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-rw-r--r--include/linux/skbuff.h4
-rw-r--r--include/uapi/linux/bpf.h4
-rw-r--r--net/core/skbuff.c11
-rw-r--r--net/dsa/user.c2
-rw-r--r--net/socket.c2
-rw-r--r--tools/include/uapi/linux/bpf.h4
6 files changed, 20 insertions, 7 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 76582500c5ea..0b4f1889500d 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -470,7 +470,7 @@ struct skb_shared_hwtstamps {
/* Definitions for tx_flags in struct skb_shared_info */
enum {
/* generate hardware time stamp */
- SKBTX_HW_TSTAMP = 1 << 0,
+ SKBTX_HW_TSTAMP_NOBPF = 1 << 0,
/* generate software time stamp when queueing packet to NIC */
SKBTX_SW_TSTAMP = 1 << 1,
@@ -494,6 +494,8 @@ enum {
SKBTX_BPF = 1 << 7,
};
+#define SKBTX_HW_TSTAMP (SKBTX_HW_TSTAMP_NOBPF | SKBTX_BPF)
+
#define SKBTX_ANY_SW_TSTAMP (SKBTX_SW_TSTAMP | \
SKBTX_SCHED_TSTAMP | \
SKBTX_BPF)
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index abe8d6c30dae..72045c242396 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -7040,6 +7040,10 @@ enum {
* to the nic when SK_BPF_CB_TX_TIMESTAMPING
* feature is on.
*/
+ BPF_SOCK_OPS_TSTAMP_SND_HW_CB, /* Called in hardware phase when
+ * SK_BPF_CB_TX_TIMESTAMPING feature
+ * is on.
+ */
};
/* List of TCP states. There is a build check in net/ipv4/tcp.c to detect
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 308db7dae1ab..77b8866f94c5 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -5547,7 +5547,7 @@ static bool skb_tstamp_tx_report_so_timestamping(struct sk_buff *skb,
case SCM_TSTAMP_SCHED:
return skb_shinfo(skb)->tx_flags & SKBTX_SCHED_TSTAMP;
case SCM_TSTAMP_SND:
- return skb_shinfo(skb)->tx_flags & (hwtstamps ? SKBTX_HW_TSTAMP :
+ return skb_shinfo(skb)->tx_flags & (hwtstamps ? SKBTX_HW_TSTAMP_NOBPF :
SKBTX_SW_TSTAMP);
case SCM_TSTAMP_ACK:
return TCP_SKB_CB(skb)->txstamp_ack;
@@ -5568,9 +5568,12 @@ static void skb_tstamp_tx_report_bpf_timestamping(struct sk_buff *skb,
op = BPF_SOCK_OPS_TSTAMP_SCHED_CB;
break;
case SCM_TSTAMP_SND:
- if (hwtstamps)
- return;
- op = BPF_SOCK_OPS_TSTAMP_SND_SW_CB;
+ if (hwtstamps) {
+ op = BPF_SOCK_OPS_TSTAMP_SND_HW_CB;
+ *skb_hwtstamps(skb) = *hwtstamps;
+ } else {
+ op = BPF_SOCK_OPS_TSTAMP_SND_SW_CB;
+ }
break;
default:
return;
diff --git a/net/dsa/user.c b/net/dsa/user.c
index 2296a4ead020..804dc7dac4f2 100644
--- a/net/dsa/user.c
+++ b/net/dsa/user.c
@@ -897,7 +897,7 @@ static void dsa_skb_tx_timestamp(struct dsa_user_priv *p,
{
struct dsa_switch *ds = p->dp->ds;
- if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))
+ if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP_NOBPF))
return;
if (!ds->ops->port_txtstamp)
diff --git a/net/socket.c b/net/socket.c
index 28bae5a94234..0545e9ea7058 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -681,7 +681,7 @@ void __sock_tx_timestamp(__u32 tsflags, __u8 *tx_flags)
u8 flags = *tx_flags;
if (tsflags & SOF_TIMESTAMPING_TX_HARDWARE) {
- flags |= SKBTX_HW_TSTAMP;
+ flags |= SKBTX_HW_TSTAMP_NOBPF;
/* PTP hardware clocks can provide a free running cycle counter
* as a time base for virtual clocks. Tell driver to use the
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index abe8d6c30dae..72045c242396 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -7040,6 +7040,10 @@ enum {
* to the nic when SK_BPF_CB_TX_TIMESTAMPING
* feature is on.
*/
+ BPF_SOCK_OPS_TSTAMP_SND_HW_CB, /* Called in hardware phase when
+ * SK_BPF_CB_TX_TIMESTAMPING feature
+ * is on.
+ */
};
/* List of TCP states. There is a build check in net/ipv4/tcp.c to detect