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GET /api/patches/493931/?format=api
HTTP 200 OK
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{
    "id": 493931,
    "url": "http://patchwork.ozlabs.org/api/patches/493931/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1436571370-103673-13-git-send-email-catherine.sullivan@intel.com/",
    "project": {
        "id": 46,
        "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api",
        "name": "Intel Wired Ethernet development",
        "link_name": "intel-wired-lan",
        "list_id": "intel-wired-lan.osuosl.org",
        "list_email": "intel-wired-lan@osuosl.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<1436571370-103673-13-git-send-email-catherine.sullivan@intel.com>",
    "list_archive_url": null,
    "date": "2015-07-10T23:36:08",
    "name": "[next,S8,13/15] i40e/i40evf: add VIRTCHNL_VF_OFFLOAD flag",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "f21114640d3e7ec754bd472a6d6e1215d4a14253",
    "submitter": {
        "id": 13931,
        "url": "http://patchwork.ozlabs.org/api/people/13931/?format=api",
        "name": "Catherine Sullivan",
        "email": "catherine.sullivan@intel.com"
    },
    "delegate": {
        "id": 68,
        "url": "http://patchwork.ozlabs.org/api/users/68/?format=api",
        "username": "jtkirshe",
        "first_name": "Jeff",
        "last_name": "Kirsher",
        "email": "jeffrey.t.kirsher@intel.com"
    },
    "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1436571370-103673-13-git-send-email-catherine.sullivan@intel.com/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/493931/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/493931/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<intel-wired-lan-bounces@lists.osuosl.org>",
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            "from localhost (localhost [127.0.0.1])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id 163C78C11F;\n\tFri, 10 Jul 2015 23:34:07 +0000 (UTC)",
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            "from catheri1-tigger.jf.intel.com ([134.134.176.92])\n\tby orsmga001.jf.intel.com with ESMTP; 10 Jul 2015 16:33:47 -0700"
        ],
        "X-Virus-Scanned": [
            "amavisd-new at osuosl.org",
            "amavisd-new at osuosl.org"
        ],
        "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6",
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.15,450,1432623600\"; d=\"scan'208\";a=\"726728130\"",
        "From": "Catherine Sullivan <catherine.sullivan@intel.com>",
        "To": "intel-wired-lan@lists.osuosl.org",
        "Date": "Fri, 10 Jul 2015 19:36:08 -0400",
        "Message-Id": "<1436571370-103673-13-git-send-email-catherine.sullivan@intel.com>",
        "X-Mailer": "git-send-email 1.9.3",
        "In-Reply-To": "<1436571370-103673-1-git-send-email-catherine.sullivan@intel.com>",
        "References": "<1436571370-103673-1-git-send-email-catherine.sullivan@intel.com>",
        "Cc": "Anjali Singhai Jain <anjali.singhai@intel.com>,\n\tJingjing Wu <jingjing.wu@intel.com>",
        "Subject": "[Intel-wired-lan] [intel-wired-lan][next PATCH S8 13/15]\n\ti40e/i40evf: add VIRTCHNL_VF_OFFLOAD flag",
        "X-BeenThere": "intel-wired-lan@lists.osuosl.org",
        "X-Mailman-Version": "2.1.18-1",
        "Precedence": "list",
        "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.lists.osuosl.org>",
        "List-Unsubscribe": "<http://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=unsubscribe>",
        "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>",
        "List-Post": "<mailto:intel-wired-lan@lists.osuosl.org>",
        "List-Help": "<mailto:intel-wired-lan-request@lists.osuosl.org?subject=help>",
        "List-Subscribe": "<http://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=subscribe>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=\"us-ascii\"",
        "Content-Transfer-Encoding": "7bit",
        "Errors-To": "intel-wired-lan-bounces@lists.osuosl.org",
        "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@lists.osuosl.org>"
    },
    "content": "From: Anjali Singhai Jain <anjali.singhai@intel.com>\n\nAdd virtual channel offload capability to support RX polling mode in the\nVF.\n\nSigned-off-by: Jingjing Wu <jingjing.wu@intel.com>\nSigned-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>\nChange-ID: Ib643ae2a7506dfc75fc489fc207493fabefa4832\n---\n drivers/net/ethernet/intel/i40e/i40e_register.h    |  7 +++++++\n drivers/net/ethernet/intel/i40e/i40e_virtchnl.h    |  1 +\n drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 12 ++++++++++++\n drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h  |  1 +\n 4 files changed, 21 insertions(+)",
    "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e_register.h b/drivers/net/ethernet/intel/i40e/i40e_register.h\nindex acae6c74..dc0402f 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_register.h\n+++ b/drivers/net/ethernet/intel/i40e/i40e_register.h\n@@ -873,6 +873,13 @@\n #define I40E_PFINT_CEQCTL_CAUSE_ENA_MASK I40E_MASK(0x1, I40E_PFINT_CEQCTL_CAUSE_ENA_SHIFT)\n #define I40E_PFINT_CEQCTL_INTEVENT_SHIFT 31\n #define I40E_PFINT_CEQCTL_INTEVENT_MASK I40E_MASK(0x1, I40E_PFINT_CEQCTL_INTEVENT_SHIFT)\n+#define I40E_GLINT_CTL 0x0003F800 /* Reset: CORER */\n+#define I40E_GLINT_CTL_DIS_AUTOMASK_PF0_SHIFT 0\n+#define I40E_GLINT_CTL_DIS_AUTOMASK_PF0_MASK I40E_MASK(0x1, I40E_GLINT_CTL_DIS_AUTOMASK_PF0_SHIFT)\n+#define I40E_GLINT_CTL_DIS_AUTOMASK_VF0_SHIFT 1\n+#define I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK I40E_MASK(0x1, I40E_GLINT_CTL_DIS_AUTOMASK_VF0_SHIFT)\n+#define I40E_GLINT_CTL_DIS_AUTOMASK_N_SHIFT 2\n+#define I40E_GLINT_CTL_DIS_AUTOMASK_N_MASK I40E_MASK(0x1, I40E_GLINT_CTL_DIS_AUTOMASK_N_SHIFT)\n #define I40E_PFINT_DYN_CTL0 0x00038480 /* Reset: PFR */\n #define I40E_PFINT_DYN_CTL0_INTENA_SHIFT 0\n #define I40E_PFINT_DYN_CTL0_INTENA_MASK I40E_MASK(0x1, I40E_PFINT_DYN_CTL0_INTENA_SHIFT)\ndiff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl.h b/drivers/net/ethernet/intel/i40e/i40e_virtchnl.h\nindex a7ab463..0f8d415 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl.h\n+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl.h\n@@ -152,6 +152,7 @@ struct i40e_virtchnl_vsi_resource {\n #define I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ\t\t0x00000008\n #define I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG\t0x00000010\n #define I40E_VIRTCHNL_VF_OFFLOAD_VLAN\t\t0x00010000\n+#define I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING\t0x00020000\n \n struct i40e_virtchnl_vf_resource {\n \tu16 num_vsis;\ndiff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c\nindex ca7a568..d99c116 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c\n@@ -335,6 +335,18 @@ static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_id,\n \t\twr32(hw, reg_idx, reg);\n \t}\n \n+\t/* if the vf is running in polling mode and using interrupt zero,\n+\t * need to disable auto-mask on enabling zero interrupt for VFs.\n+\t */\n+\tif ((vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) &&\n+\t    (vector_id == 0)) {\n+\t\treg = rd32(hw, I40E_GLINT_CTL);\n+\t\tif (!(reg & I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK)) {\n+\t\t\treg |= I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK;\n+\t\t\twr32(hw, I40E_GLINT_CTL, reg);\n+\t\t}\n+\t}\n+\n irq_list_done:\n \ti40e_flush(hw);\n }\ndiff --git a/drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h b/drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h\nindex 1e89dea..e6db20e 100644\n--- a/drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h\n+++ b/drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h\n@@ -152,6 +152,7 @@ struct i40e_virtchnl_vsi_resource {\n #define I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ\t\t0x00000008\n #define I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG\t0x00000010\n #define I40E_VIRTCHNL_VF_OFFLOAD_VLAN\t\t0x00010000\n+#define I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING\t0x00020000\n \n struct i40e_virtchnl_vf_resource {\n \tu16 num_vsis;\n",
    "prefixes": [
        "next",
        "S8",
        "13/15"
    ]
}