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GET /api/patches/590131/?format=api
HTTP 200 OK
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{
    "id": 590131,
    "url": "http://patchwork.ozlabs.org/api/patches/590131/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20160229192613.24163.31830.stgit@john-Precision-Tower-5810/",
    "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": "<20160229192613.24163.31830.stgit@john-Precision-Tower-5810>",
    "list_archive_url": null,
    "date": "2016-02-29T19:26:13",
    "name": "[net-next] net: relax setup_tc ndo op handle restriction",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "af6d27cbc754f8f0f6b2cae60b2dc0e41fc502fb",
    "submitter": {
        "id": 20028,
        "url": "http://patchwork.ozlabs.org/api/people/20028/?format=api",
        "name": "John Fastabend",
        "email": "john.fastabend@gmail.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/20160229192613.24163.31830.stgit@john-Precision-Tower-5810/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/590131/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/590131/checks/",
    "tags": {},
    "related": [],
    "headers": {
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            "from localhost (localhost [127.0.0.1])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 08C75A5982;\n\tMon, 29 Feb 2016 19:26:30 +0000 (UTC)",
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        "From": "John Fastabend <john.fastabend@gmail.com>",
        "X-Google-Original-From": "John Fastabend <john.r.fastabend@intel.com>",
        "To": "intel-wired-lan@lists.osuosl.org, john.fastabend@gmail.com,\n\tjeffrey.t.kirsher@intel.com",
        "Date": "Mon, 29 Feb 2016 11:26:13 -0800",
        "Message-ID": "<20160229192613.24163.31830.stgit@john-Precision-Tower-5810>",
        "User-Agent": "StGit/0.17.1-dirty",
        "MIME-Version": "1.0",
        "Cc": "netdev@vger.kernel.org",
        "Subject": "[Intel-wired-lan] [net-next PATCH] net: relax setup_tc ndo op\n\thandle restriction",
        "X-BeenThere": "intel-wired-lan@lists.osuosl.org",
        "X-Mailman-Version": "2.1.18-1",
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        "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.lists.osuosl.org>",
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        "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": "I added this check in setup_tc to multiple drivers,\n\n if (handle != TC_H_ROOT || tc->type != TC_SETUP_MQPRIO)\n\nUnfortunately restricting to TC_H_ROOT like this breaks the old\ninstantiation of mqprio to setup a hardware qdisc. This patch\nrelaxes the test to only check the type to make it equivalent\nto the check before I broke it. With this the old instantiation\ncontinues to work.\n\nA good smoke test is to setup mqprio with,\n\n# tc qdisc add dev eth4 root mqprio num_tc 8 \\\n  map 0 1 2 3 4 5 6 7 \\\n  queues 0@0 1@1 2@2 3@3 4@4 5@5 6@6 7@7\n\nFixes: e4c6734eaab9 (\"net: rework ndo tc op to consume additional qdisc handle paramete\")\nReported-by: Singh Krishneil <krishneil.k.singh@intel.com>\nReported-by: Jake Keller <jacob.e.keller@intel.com>\nCC: Murali Karicheri <m-karicheri2@ti.com>\nCC: Shradha Shah <sshah@solarflare.com>\nCC: Or Gerlitz <ogerlitz@mellanox.com>\nCC: Ariel Elior <ariel.elior@qlogic.com>\nCC: Jeff Kirsher <jeffrey.t.kirsher@intel.com>\nCC: Bruce Allan <bruce.w.allan@intel.com>\nCC: Jesse Brandeburg <jesse.brandeburg@intel.com>\nCC: Don Skidmore <donald.c.skidmore@intel.com>\nSigned-off-by: John Fastabend <john.r.fastabend@intel.com>\n---\n drivers/net/ethernet/amd/xgbe/xgbe-drv.c        |    2 +-\n drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c |    2 +-\n drivers/net/ethernet/broadcom/bnxt/bnxt.c       |    2 +-\n drivers/net/ethernet/intel/fm10k/fm10k_netdev.c |    2 +-\n drivers/net/ethernet/intel/ixgbe/ixgbe_main.c   |    2 +-\n drivers/net/ethernet/mellanox/mlx4/en_netdev.c  |    2 +-\n drivers/net/ethernet/sfc/tx.c                   |    2 +-\n drivers/net/ethernet/ti/netcp_core.c            |    2 +-\n 8 files changed, 8 insertions(+), 8 deletions(-)",
    "diff": "diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c\nindex 3360684..ebf9224 100644\n--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c\n+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c\n@@ -1632,7 +1632,7 @@ static int xgbe_setup_tc(struct net_device *netdev, u32 handle, __be16 proto,\n \tstruct xgbe_prv_data *pdata = netdev_priv(netdev);\n \tu8 tc;\n \n-\tif (handle != TC_H_ROOT || tc_to_netdev->type != TC_SETUP_MQPRIO)\n+\tif (tc_to_netdev->type != TC_SETUP_MQPRIO)\n \t\treturn -EINVAL;\n \n \ttc = tc_to_netdev->tc;\ndiff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c\nindex 45843d1..a949783 100644\n--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c\n+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c\n@@ -4275,7 +4275,7 @@ int bnx2x_setup_tc(struct net_device *dev, u8 num_tc)\n int __bnx2x_setup_tc(struct net_device *dev, u32 handle, __be16 proto,\n \t\t     struct tc_to_netdev *tc)\n {\n-\tif (handle != TC_H_ROOT || tc->type != TC_SETUP_MQPRIO)\n+\tif (tc->type != TC_SETUP_MQPRIO)\n \t\treturn -EINVAL;\n \treturn bnx2x_setup_tc(dev, tc->tc);\n }\ndiff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c\nindex ff1507f..f1a0a73 100644\n--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c\n+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c\n@@ -5383,7 +5383,7 @@ static int bnxt_setup_tc(struct net_device *dev, u32 handle, __be16 proto,\n \tstruct bnxt *bp = netdev_priv(dev);\n \tu8 tc;\n \n-\tif (handle != TC_H_ROOT || ntc->type != TC_SETUP_MQPRIO)\n+\tif (ntc->type != TC_SETUP_MQPRIO)\n \t\treturn -EINVAL;\n \n \ttc = ntc->tc;\ndiff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c\nindex dc1a821..d09a8dd 100644\n--- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c\n+++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c\n@@ -1207,7 +1207,7 @@ err_queueing_scheme:\n static int __fm10k_setup_tc(struct net_device *dev, u32 handle, __be16 proto,\n \t\t\t    struct tc_to_netdev *tc)\n {\n-\tif (handle != TC_H_ROOT || tc->type != TC_SETUP_MQPRIO)\n+\tif (tc->type != TC_SETUP_MQPRIO)\n \t\treturn -EINVAL;\n \n \treturn fm10k_setup_tc(dev, tc->tc);\ndiff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c\nindex cf4b729..02139f3 100644\n--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c\n+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c\n@@ -8422,7 +8422,7 @@ int __ixgbe_setup_tc(struct net_device *dev, u32 handle, __be16 proto,\n \t\t}\n \t}\n \n-\tif (handle != TC_H_ROOT || tc->type != TC_SETUP_MQPRIO)\n+\tif (tc->type != TC_SETUP_MQPRIO)\n \t\treturn -EINVAL;\n \n \treturn ixgbe_setup_tc(dev, tc->tc);\ndiff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c\nindex 96d95cb..a2d560a 100644\n--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c\n+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c\n@@ -72,7 +72,7 @@ int mlx4_en_setup_tc(struct net_device *dev, u8 up)\n static int __mlx4_en_setup_tc(struct net_device *dev, u32 handle, __be16 proto,\n \t\t\t      struct tc_to_netdev *tc)\n {\n-\tif (handle != TC_H_ROOT || tc->type != TC_SETUP_MQPRIO)\n+\tif (tc->type != TC_SETUP_MQPRIO)\n \t\treturn -EINVAL;\n \n \treturn mlx4_en_setup_tc(dev, tc->tc);\ndiff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c\nindex 2cdb571..2337789 100644\n--- a/drivers/net/ethernet/sfc/tx.c\n+++ b/drivers/net/ethernet/sfc/tx.c\n@@ -571,7 +571,7 @@ int efx_setup_tc(struct net_device *net_dev, u32 handle, __be16 proto,\n \tunsigned tc, num_tc;\n \tint rc;\n \n-\tif (handle != TC_H_ROOT || ntc->type != TC_SETUP_MQPRIO)\n+\tif (ntc->type != TC_SETUP_MQPRIO)\n \t\treturn -EINVAL;\n \n \tnum_tc = ntc->tc;\ndiff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c\nindex ed0c30f..1d0942c 100644\n--- a/drivers/net/ethernet/ti/netcp_core.c\n+++ b/drivers/net/ethernet/ti/netcp_core.c\n@@ -1860,7 +1860,7 @@ static int netcp_setup_tc(struct net_device *dev, u32 handle, __be16 proto,\n \t/* setup tc must be called under rtnl lock */\n \tASSERT_RTNL();\n \n-\tif (handle != TC_H_ROOT || tc->type != TC_SETUP_MQPRIO)\n+\tif (tc->type != TC_SETUP_MQPRIO)\n \t\treturn -EINVAL;\n \n \t/* Sanity-check the number of traffic classes requested */\n",
    "prefixes": [
        "net-next"
    ]
}