diff mbox series

[05/28] net/ice/base: add timestamp masks

Message ID 20210810025140.1698163-6-qi.z.zhang@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Qi Zhang
Headers show
Series ice: base code update | expand

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Qi Zhang Aug. 10, 2021, 2:51 a.m. UTC
Adding macros for shift and masking of the lower timestamp work in the
Rx flex descriptor. The LSB of the timestamp-low word indicates the
validity of the timestamp while the rest 7 bits contain the timestamp.

Signed-off-by: Vignesh Sridhar <vignesh.sridhar@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/ice/base/ice_lan_tx_rx.h | 8 ++++++++
 1 file changed, 8 insertions(+)

Comments

Junfeng Guo Aug. 10, 2021, 4:35 a.m. UTC | #1
> -----Original Message-----
> From: Zhang, Qi Z <qi.z.zhang@intel.com>
> Sent: Tuesday, August 10, 2021 10:51
> To: Yang, Qiming <qiming.yang@intel.com>
> Cc: Guo, Junfeng <junfeng.guo@intel.com>; dev@dpdk.org; Zhang, Qi Z
> <qi.z.zhang@intel.com>; Sridhar, Vignesh <vignesh.sridhar@intel.com>
> Subject: [PATCH 05/28] net/ice/base: add timestamp masks
> 
> Adding macros for shift and masking of the lower timestamp work in the
> Rx flex descriptor. The LSB of the timestamp-low word indicates the
> validity of the timestamp while the rest 7 bits contain the timestamp.
> 
> Signed-off-by: Vignesh Sridhar <vignesh.sridhar@intel.com>
> Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
> ---
>  drivers/net/ice/base/ice_lan_tx_rx.h | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> --
> 2.26.2

Acked-by: Junfeng Guo <junfeng.guo@intel.com>

Regards,
Junfeng Guo
diff mbox series

Patch

diff --git a/drivers/net/ice/base/ice_lan_tx_rx.h b/drivers/net/ice/base/ice_lan_tx_rx.h
index 696c6a30ae..4255e9963e 100644
--- a/drivers/net/ice/base/ice_lan_tx_rx.h
+++ b/drivers/net/ice/base/ice_lan_tx_rx.h
@@ -879,6 +879,14 @@  enum ice_rx_flex_desc_exstat_bits {
 	ICE_RX_FLEX_DESC_EXSTAT_OVERSIZE_S = 3,
 };
 
+/* For ice_32b_rx_flex_desc.ts_low:
+ * [0]: Timestamp-low validity bit
+ * [1:7]: Timestamp-low value
+ */
+#define ICE_RX_FLEX_DESC_TS_L_VALID_S	0x01
+#define ICE_RX_FLEX_DESC_TS_L_VALID_M	ICE_RX_FLEX_DESC_TS_L_VALID_S
+#define ICE_RX_FLEX_DESC_TS_L_M		0xFE
+
 #define ICE_RXQ_CTX_SIZE_DWORDS		8
 #define ICE_RXQ_CTX_SZ			(ICE_RXQ_CTX_SIZE_DWORDS * sizeof(u32))
 #define ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS	22