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{
    "id": 30069,
    "url": "http://patches.dpdk.org/api/patches/30069/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1507646227-12338-1-git-send-email-rasland@mellanox.com/",
    "project": {
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        "list_email": "dev@dpdk.org",
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    "msgid": "<1507646227-12338-1-git-send-email-rasland@mellanox.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1507646227-12338-1-git-send-email-rasland@mellanox.com",
    "date": "2017-10-10T14:37:05",
    "name": "[dpdk-dev,v9,1/3] ethdev: add Rx HW timestamp capability",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "e8f0265d6681597c7267e19b824e7ae1450a474a",
    "submitter": {
        "id": 513,
        "url": "http://patches.dpdk.org/api/people/513/?format=api",
        "name": "Raslan Darawsheh",
        "email": "rasland@mellanox.com"
    },
    "delegate": {
        "id": 319,
        "url": "http://patches.dpdk.org/api/users/319/?format=api",
        "username": "fyigit",
        "first_name": "Ferruh",
        "last_name": "Yigit",
        "email": "ferruh.yigit@amd.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1507646227-12338-1-git-send-email-rasland@mellanox.com/mbox/",
    "series": [],
    "comments": "http://patches.dpdk.org/api/patches/30069/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/30069/checks/",
    "tags": {},
    "related": [],
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        "From": "Raslan Darawsheh <rasland@mellanox.com>",
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        "Cc": "shahafs@mellanox.com,\n\tyskoh@mellanox.com,\n\tferruh.yigit@intel.com",
        "Date": "Tue, 10 Oct 2017 17:37:05 +0300",
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        "Subject": "[dpdk-dev] [PATCH v9 1/3] ethdev: add Rx HW timestamp capability",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
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        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "Add a new offload capability flag for Rx HW\ntimestamp and enabling/disabling this via rte_eth_rxmode.\n\nSigned-off-by: Raslan Darawsheh <rasland@mellanox.com>\nReviewed-by: Shahaf Shuler <shahafs@mellanox.com>\nAcked-by: Yongseok Koh <yskoh@mellanox.com>\n---\nChanges in v7:\n- Updated features.rst to use both rx_offload_capa,rx_queue_offload_capa\n- Updated default.ini to have Timestamp offload\n---\n doc/guides/nics/features.rst         | 11 +++++++++++\n doc/guides/nics/features/default.ini |  1 +\n lib/librte_ether/rte_ethdev.c        |  6 ++++++\n lib/librte_ether/rte_ethdev.h        |  2 ++\n 4 files changed, 20 insertions(+)",
    "diff": "diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst\nindex 6538470..ef7283b 100644\n--- a/doc/guides/nics/features.rst\n+++ b/doc/guides/nics/features.rst\n@@ -573,6 +573,17 @@ Supports L4 checksum offload.\n * **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM``,\n   ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_UDP_CKSUM,DEV_TX_OFFLOAD_TCP_CKSUM,DEV_TX_OFFLOAD_SCTP_CKSUM``.\n \n+.. _nic_features_hw_timestamp:\n+\n+Timestamp offload\n+-----------------\n+\n+Supports Timestamp.\n+\n+* **[uses]     rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_TIMESTAMP``.\n+* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_TIMESTAMP``.\n+* **[provides] mbuf**: ``mbuf.timestamp``.\n+* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa: DEV_RX_OFFLOAD_TIMESTAMP``.\n \n .. _nic_features_macsec_offload:\n \ndiff --git a/doc/guides/nics/features/default.ini b/doc/guides/nics/features/default.ini\nindex 9a59901..dc527dd 100644\n--- a/doc/guides/nics/features/default.ini\n+++ b/doc/guides/nics/features/default.ini\n@@ -48,6 +48,7 @@ VLAN offload         =\n QinQ offload         =\n L3 checksum offload  =\n L4 checksum offload  =\n+Timestamp offload    =\n MACsec offload       =\n Inner L3 checksum    =\n Inner L4 checksum    =\ndiff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c\nindex 3c5441e..ea56978 100644\n--- a/lib/librte_ether/rte_ethdev.c\n+++ b/lib/librte_ether/rte_ethdev.c\n@@ -715,6 +715,8 @@ rte_eth_convert_rx_offload_bitfield(const struct rte_eth_rxmode *rxmode,\n \t\toffloads |= DEV_RX_OFFLOAD_SCATTER;\n \tif (rxmode->enable_lro == 1)\n \t\toffloads |= DEV_RX_OFFLOAD_TCP_LRO;\n+\tif (rxmode->hw_timestamp == 1)\n+\t\toffloads |= DEV_RX_OFFLOAD_TIMESTAMP;\n \n \t*rx_offloads = offloads;\n }\n@@ -763,6 +765,10 @@ rte_eth_convert_rx_offloads(const uint64_t rx_offloads,\n \t\trxmode->enable_lro = 1;\n \telse\n \t\trxmode->enable_lro = 0;\n+\tif (rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP)\n+\t\trxmode->hw_timestamp = 1;\n+\telse\n+\t\trxmode->hw_timestamp = 0;\n }\n \n int\ndiff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h\nindex 8e928da..0b731bb 100644\n--- a/lib/librte_ether/rte_ethdev.h\n+++ b/lib/librte_ether/rte_ethdev.h\n@@ -369,6 +369,7 @@ struct rte_eth_rxmode {\n \t\thw_strip_crc     : 1, /**< Enable CRC stripping by hardware. */\n \t\tenable_scatter   : 1, /**< Enable scatter packets rx handler */\n \t\tenable_lro       : 1, /**< Enable LRO */\n+\t\thw_timestamp     : 1, /**< Enable HW timestamp */\n \t\t/**\n \t\t * When set the offload bitfield should be ignored.\n \t\t * Instead per-port Rx offloads should be set on offloads\n@@ -961,6 +962,7 @@ struct rte_eth_conf {\n #define DEV_RX_OFFLOAD_JUMBO_FRAME\t0x00000800\n #define DEV_RX_OFFLOAD_CRC_STRIP\t0x00001000\n #define DEV_RX_OFFLOAD_SCATTER\t\t0x00002000\n+#define DEV_RX_OFFLOAD_TIMESTAMP\t0x00004000\n #define DEV_RX_OFFLOAD_CHECKSUM (DEV_RX_OFFLOAD_IPV4_CKSUM | \\\n \t\t\t\t DEV_RX_OFFLOAD_UDP_CKSUM | \\\n \t\t\t\t DEV_RX_OFFLOAD_TCP_CKSUM)\n",
    "prefixes": [
        "dpdk-dev",
        "v9",
        "1/3"
    ]
}