From: Yang Li via B4 Relay <devnull+yang.li.amlogic.com@kernel.org>
To: Marcel Holtmann <marcel@holtmann.org>,
Johan Hedberg <johan.hedberg@gmail.com>,
Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>
Cc: linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, Yang Li <yang.li@amlogic.com>
Subject: [PATCH v2] Bluetooth: ISO: Support SOCK_RCVTSTAMP via CMSG for ISO sockets
Date: Wed, 02 Jul 2025 19:35:48 +0800 [thread overview]
Message-ID: <20250702-iso_ts-v2-1-723d199c8068@amlogic.com> (raw)
From: Yang Li <yang.li@amlogic.com>
User-space applications (e.g., PipeWire) depend on
ISO-formatted timestamps for precise audio sync.
Signed-off-by: Yang Li <yang.li@amlogic.com>
---
Changes in v2:
- Support SOCK_RCVTSTAMPNS via CMSG for ISO sockets
- Link to v1: https://lore.kernel.org/r/20250429-iso_ts-v1-1-e586f30de6cb@amlogic.com
---
net/bluetooth/iso.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index fc22782cbeeb..6927c593a1d6 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -2308,6 +2308,9 @@ void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)
goto drop;
}
+ /* Record the timestamp to skb*/
+ skb->skb_mstamp_ns = le32_to_cpu(hdr->ts);
+
len = __le16_to_cpu(hdr->slen);
} else {
struct hci_iso_data_hdr *hdr;
---
base-commit: 3bc46213b81278f3a9df0324768e152de71eb9fe
change-id: 20250421-iso_ts-c82a300ae784
Best regards,
--
Yang Li <yang.li@amlogic.com>
next reply other threads:[~2025-07-02 11:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-02 11:35 Yang Li via B4 Relay [this message]
2025-07-02 12:05 ` Paul Menzel
2025-07-02 12:27 ` Yang Li
2025-07-02 15:22 ` Pauli Virtanen
2025-07-03 10:34 ` Yang Li
2025-07-03 17:46 ` Pauli Virtanen
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