Add a new offload capability flag for Rx HW
timestamp and enabling/disabling this via rte_eth_rxmode.
Signed-off-by: Raslan Darawsheh <rasl...@mellanox.com>
Reviewed-by: Shahaf Shuler <shah...@mellanox.com>
Acked-by: Yongseok Koh <ys...@mellanox.com>
---
Changes in v7:
- Updated features.rst to use both rx_offload_capa,rx_queue_offload_capa
- Updated default.ini to have Timestamp offload
---
doc/guides/nics/features.rst | 11 +++++++++++
doc/guides/nics/features/default.ini | 1 +
lib/librte_ether/rte_ethdev.c | 6 ++++++
lib/librte_ether/rte_ethdev.h | 2 ++
4 files changed, 20 insertions(+)
diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst
index 6538470..ef7283b 100644
--- a/doc/guides/nics/features.rst
+++ b/doc/guides/nics/features.rst
@@ -573,6 +573,17 @@ Supports L4 checksum offload.
* **[provides] rte_eth_dev_info**:
``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM``,
``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_UDP_CKSUM,DEV_TX_OFFLOAD_TCP_CKSUM,DEV_TX_OFFLOAD_SCTP_CKSUM``.
+.. _nic_features_hw_timestamp:
+
+Timestamp offload
+-----------------
+
+Supports Timestamp.
+
+* **[uses] rte_eth_rxconf,rte_eth_rxmode**:
``offloads:DEV_RX_OFFLOAD_TIMESTAMP``.
+* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_TIMESTAMP``.
+* **[provides] mbuf**: ``mbuf.timestamp``.
+* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:
DEV_RX_OFFLOAD_TIMESTAMP``.
.. _nic_features_macsec_offload:
diff --git a/doc/guides/nics/features/default.ini
b/doc/guides/nics/features/default.ini
index 9a59901..dc527dd 100644
--- a/doc/guides/nics/features/default.ini
+++ b/doc/guides/nics/features/default.ini
@@ -48,6 +48,7 @@ VLAN offload =
QinQ offload =
L3 checksum offload =
L4 checksum offload =
+Timestamp offload =
MACsec offload =
Inner L3 checksum =
Inner L4 checksum =
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 3c5441e..ea56978 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -715,6 +715,8 @@ rte_eth_convert_rx_offload_bitfield(const struct
rte_eth_rxmode *rxmode,
offloads |= DEV_RX_OFFLOAD_SCATTER;
if (rxmode->enable_lro == 1)
offloads |= DEV_RX_OFFLOAD_TCP_LRO;
+ if (rxmode->hw_timestamp == 1)
+ offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
*rx_offloads = offloads;
}
@@ -763,6 +765,10 @@ rte_eth_convert_rx_offloads(const uint64_t rx_offloads,
rxmode->enable_lro = 1;
else
rxmode->enable_lro = 0;
+ if (rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP)
+ rxmode->hw_timestamp = 1;
+ else
+ rxmode->hw_timestamp = 0;
}
int
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 8e928da..0b731bb 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -369,6 +369,7 @@ struct rte_eth_rxmode {
hw_strip_crc : 1, /**< Enable CRC stripping by hardware. */
enable_scatter : 1, /**< Enable scatter packets rx handler */
enable_lro : 1, /**< Enable LRO */
+ hw_timestamp : 1, /**< Enable HW timestamp */
/**
* When set the offload bitfield should be ignored.
* Instead per-port Rx offloads should be set on offloads
@@ -961,6 +962,7 @@ struct rte_eth_conf {
#define DEV_RX_OFFLOAD_JUMBO_FRAME 0x00000800
#define DEV_RX_OFFLOAD_CRC_STRIP 0x00001000
#define DEV_RX_OFFLOAD_SCATTER 0x00002000
+#define DEV_RX_OFFLOAD_TIMESTAMP 0x00004000
#define DEV_RX_OFFLOAD_CHECKSUM (DEV_RX_OFFLOAD_IPV4_CKSUM | \
DEV_RX_OFFLOAD_UDP_CKSUM | \
DEV_RX_OFFLOAD_TCP_CKSUM)
--
2.7.4
