[05/28] net/ice/base: add timestamp masks
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Commit Message
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
> -----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
@@ -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