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> Acked-by: Yongseok Koh <ys...@mellanox.com> --- This patch should be applied after after this series: http://dpdk.org/dev/patchwork/patch/29368/ --- doc/guides/nics/features.rst | 11 +++++++++++ lib/librte_ether/rte_ethdev.c | 6 ++++++ lib/librte_ether/rte_ethdev.h | 5 ++++- 3 files changed, 21 insertions(+), 1 deletion(-) diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst index ba0d19f..fbdd6eb 100644 --- a/doc/guides/nics/features.rst +++ b/doc/guides/nics/features.rst @@ -566,6 +566,17 @@ Supports L4 checksum offload. * **[provides] rte_eth_dev_info**: ``rx_offload_capa:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM``, ``tx_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``. + ``mbuf.timestamp``. + **[provides] rte_eth_dev_info**: ``rx_offload_capa:DEV_RX_OFFLOAD_TIMESTAMP`` .. _nic_features_macsec_offload: diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index 9b73d23..c5c5164 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 ffd2ee5..bd63730 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -368,7 +368,8 @@ struct rte_eth_rxmode { jumbo_frame : 1, /**< Jumbo Frame Receipt enable. */ hw_strip_crc : 1, /**< Enable CRC stripping by hardware. */ enable_scatter : 1, /**< Enable scatter packets rx handler */ - enable_lro : 1; /**< Enable LRO */ + enable_lro : 1, /**< Enable LRO */ + hw_timestamp : 1; /**< Enable HW timestamp */ }; /** @@ -924,6 +925,8 @@ struct rte_eth_conf { #define DEV_RX_OFFLOAD_QINQ_STRIP 0x00000020 #define DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM 0x00000040 #define DEV_RX_OFFLOAD_MACSEC_STRIP 0x00000080 +#define DEV_RX_OFFLOAD_TIMESTAMP 0x00000100 +/**< Device delivers timestamp of packet arrival. */ /** * TX offload capabilities of a device. -- 2.7.4
