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GET /api/patches/29477/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 29477,
    "url": "http://patches.dpdk.org/api/patches/29477/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1506952864-27839-1-git-send-email-rasland@mellanox.com/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
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    "list_archive_url": "https://inbox.dpdk.org/dev/1506952864-27839-1-git-send-email-rasland@mellanox.com",
    "date": "2017-10-02T14:01:02",
    "name": "[dpdk-dev,1/3] ethdev: add Rx HW timestamp capability",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "aa5e79d4b1770462b87375d6302beca326127a31",
    "submitter": {
        "id": 513,
        "url": "http://patches.dpdk.org/api/people/513/?format=api",
        "name": "Raslan Darawsheh",
        "email": "rasland@mellanox.com"
    },
    "delegate": null,
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1506952864-27839-1-git-send-email-rasland@mellanox.com/mbox/",
    "series": [],
    "comments": "http://patches.dpdk.org/api/patches/29477/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/29477/checks/",
    "tags": {},
    "related": [],
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        "Date": "Mon,  2 Oct 2017 17:01:02 +0300",
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        "Subject": "[dpdk-dev] [PATCH 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 timestamp and enabling/disabling\nthis via rte_eth_rxmode.\n\nSigned-off-by: Raslan Darawsheh <rasland@mellanox.com>\nAcked-by: Yongseok Koh <yskoh@mellanox.com>\n---\nThis patch should be applied after after this series:\nhttp://dpdk.org/dev/patchwork/patch/29368/\n---\n doc/guides/nics/features.rst  | 11 +++++++++++\n lib/librte_ether/rte_ethdev.c |  6 ++++++\n lib/librte_ether/rte_ethdev.h |  5 ++++-\n 3 files changed, 21 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst\nindex ba0d19f..fbdd6eb 100644\n--- a/doc/guides/nics/features.rst\n+++ b/doc/guides/nics/features.rst\n@@ -566,6 +566,17 @@ Supports L4 checksum offload.\n * **[provides] rte_eth_dev_info**: ``rx_offload_capa:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM``,\n   ``tx_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+  ``mbuf.timestamp``.\n+  **[provides] rte_eth_dev_info**: ``rx_offload_capa:DEV_RX_OFFLOAD_TIMESTAMP``\n \n .. _nic_features_macsec_offload:\n \ndiff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c\nindex 9b73d23..c5c5164 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 ffd2ee5..bd63730 100644\n--- a/lib/librte_ether/rte_ethdev.h\n+++ b/lib/librte_ether/rte_ethdev.h\n@@ -368,7 +368,8 @@ struct rte_eth_rxmode {\n \t\tjumbo_frame      : 1, /**< Jumbo Frame Receipt enable. */\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\tenable_lro       : 1, /**< Enable LRO */\n+\t\thw_timestamp\t : 1; /**< Enable HW timestamp */\n };\n \n /**\n@@ -924,6 +925,8 @@ struct rte_eth_conf {\n #define DEV_RX_OFFLOAD_QINQ_STRIP  0x00000020\n #define DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM 0x00000040\n #define DEV_RX_OFFLOAD_MACSEC_STRIP     0x00000080\n+#define DEV_RX_OFFLOAD_TIMESTAMP 0x00000100\n+/**< Device delivers timestamp of packet arrival. */\n \n /**\n  * TX offload capabilities of a device.\n",
    "prefixes": [
        "dpdk-dev",
        "1/3"
    ]
}