On Sunday, February 16, 2025 3:04 AM, Jakub Kicinski <kuba@xxxxxxxxxx> wrote:
>On Sat, 15 Feb 2025 11:01:59 -0800 Jakub Kicinski wrote:
>> On Fri, 7 Feb 2025 10:19:39 +0800 Song Yoong Siang wrote:
>> > Extend the XDP Tx metadata framework so that user can requests launch time
>> > hardware offload, where the Ethernet device will schedule the packet for
>> > transmission at a pre-determined time called launch time. The value of
>> > launch time is communicated from user space to Ethernet driver via
>> > launch_time field of struct xsk_tx_metadata.
>>
>> Acked-by: Jakub Kicinski <kuba@xxxxxxxxxx>
>
>Sorry, I take that back, you haven't regenerated the code after
>renaming the flag:
>
Hi Jakub,
Thank you for your review and for catching that mistake.
I will rework the patch and submit a new version.
Thanks and regards,
Siang
>diff --git a/include/uapi/linux/netdev.h b/include/uapi/linux/netdev.h
>index fc0aa971d276..b97ff8bbb0c6 100644
>--- a/include/uapi/linux/netdev.h
>+++ b/include/uapi/linux/netdev.h
>@@ -59,13 +59,13 @@ enum netdev_xdp_rx_metadata {
> * by the driver.
> * @NETDEV_XSK_FLAGS_TX_CHECKSUM: L3 checksum HW offload is supported by the
> * driver.
>- * @NETDEV_XSK_FLAGS_LAUNCH_TIME: Launch Time HW offload is supported by the
>- * driver.
>+ * @NETDEV_XSK_FLAGS_TX_LAUNCH_TIME_FIFO: Launch time HW offload is supported
>+ * by the driver.
> */
> enum netdev_xsk_flags {
> NETDEV_XSK_FLAGS_TX_TIMESTAMP = 1,
> NETDEV_XSK_FLAGS_TX_CHECKSUM = 2,
>- NETDEV_XSK_FLAGS_LAUNCH_TIME = 4,
>+ NETDEV_XSK_FLAGS_TX_LAUNCH_TIME_FIFO = 4,
> };
>
> enum netdev_queue_type {
>diff --git a/tools/include/uapi/linux/netdev.h b/tools/include/uapi/linux/netdev.h
>index fc0aa971d276..b97ff8bbb0c6 100644
>--- a/tools/include/uapi/linux/netdev.h
>+++ b/tools/include/uapi/linux/netdev.h
>@@ -59,13 +59,13 @@ enum netdev_xdp_rx_metadata {
> * by the driver.
> * @NETDEV_XSK_FLAGS_TX_CHECKSUM: L3 checksum HW offload is supported by the
> * driver.
>- * @NETDEV_XSK_FLAGS_LAUNCH_TIME: Launch Time HW offload is supported by the
>- * driver.
>+ * @NETDEV_XSK_FLAGS_TX_LAUNCH_TIME_FIFO: Launch time HW offload is supported
>+ * by the driver.
> */
> enum netdev_xsk_flags {
> NETDEV_XSK_FLAGS_TX_TIMESTAMP = 1,
> NETDEV_XSK_FLAGS_TX_CHECKSUM = 2,
>- NETDEV_XSK_FLAGS_LAUNCH_TIME = 4,
>+ NETDEV_XSK_FLAGS_TX_LAUNCH_TIME_FIFO = 4,
> };
>
> enum netdev_queue_type {
