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GET /api/patches/1257849/?format=api
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{
    "id": 1257849,
    "url": "http://patchwork.ozlabs.org/api/patches/1257849/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20200318230102.36952-12-andre.guedes@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",
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    "msgid": "<20200318230102.36952-12-andre.guedes@intel.com>",
    "list_archive_url": null,
    "date": "2020-03-18T23:01:01",
    "name": "[11/12] igc: Refactor igc_del_mac_filter()",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "d0cfbfa1fe15d075d73633652cc3f58799fe8fe2",
    "submitter": {
        "id": 72323,
        "url": "http://patchwork.ozlabs.org/api/people/72323/?format=api",
        "name": "Andre Guedes",
        "email": "andre.guedes@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/20200318230102.36952-12-andre.guedes@intel.com/mbox/",
    "series": [
        {
            "id": 165243,
            "url": "http://patchwork.ozlabs.org/api/series/165243/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=165243",
            "date": "2020-03-18T23:00:52",
            "name": "igc: Refactor MAC address filtering code",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/165243/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/1257849/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/1257849/checks/",
    "tags": {},
    "related": [],
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            "from ymtomada-mobl.amr.corp.intel.com ([10.251.21.179])\n\tby orsmga006.jf.intel.com with ESMTP; 18 Mar 2020 16:02:10 -0700"
        ],
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        "From": "Andre Guedes <andre.guedes@intel.com>",
        "To": "intel-wired-lan@lists.osuosl.org",
        "Date": "Wed, 18 Mar 2020 16:01:01 -0700",
        "Message-Id": "<20200318230102.36952-12-andre.guedes@intel.com>",
        "X-Mailer": "git-send-email 2.25.0",
        "In-Reply-To": "<20200318230102.36952-1-andre.guedes@intel.com>",
        "References": "<20200318230102.36952-1-andre.guedes@intel.com>",
        "MIME-Version": "1.0",
        "Subject": "[Intel-wired-lan] [PATCH 11/12] igc: Refactor igc_del_mac_filter()",
        "X-BeenThere": "intel-wired-lan@osuosl.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.osuosl.org>",
        "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>",
        "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>",
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        "Errors-To": "intel-wired-lan-bounces@osuosl.org",
        "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>"
    },
    "content": "This patch does a code refactoring in igc_del_mac_filter() so it uses\nthe new helper igc_find_mac_filter() and improves the comment about the\nspecial handling when deleting the default filter.\n\nSigned-off-by: Andre Guedes <andre.guedes@intel.com>\n---\n drivers/net/ethernet/intel/igc/igc_main.c | 45 ++++++++++-------------\n 1 file changed, 19 insertions(+), 26 deletions(-)",
    "diff": "diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c\nindex 0264e424bd07..fa7cf33c58a9 100644\n--- a/drivers/net/ethernet/intel/igc/igc_main.c\n+++ b/drivers/net/ethernet/intel/igc/igc_main.c\n@@ -2268,40 +2268,33 @@ int igc_add_mac_filter(struct igc_adapter *adapter, const u8 *addr,\n int igc_del_mac_filter(struct igc_adapter *adapter, const u8 *addr,\n \t\t       const u8 flags)\n {\n-\tstruct igc_hw *hw = &adapter->hw;\n-\tint rar_entries = hw->mac.rar_entry_count;\n-\tint i;\n+\tstruct igc_mac_addr *entry;\n+\tint index;\n \n \tif (!is_valid_ether_addr(addr))\n \t\treturn -EINVAL;\n \n-\tfor (i = 0; i < rar_entries; i++) {\n-\t\tif (!(adapter->mac_table[i].state & IGC_MAC_STATE_IN_USE))\n-\t\t\tcontinue;\n-\t\tif (flags && (adapter->mac_table[i].state & flags) != flags)\n-\t\t\tcontinue;\n-\t\tif (!ether_addr_equal(adapter->mac_table[i].addr, addr))\n-\t\t\tcontinue;\n+\tindex = igc_find_mac_filter(adapter, addr, flags);\n+\tif (index < 0)\n+\t\treturn -ENOENT;\n \n-\t\t/* When a filter for the default address is \"deleted\",\n-\t\t * we return it to its initial configuration\n-\t\t */\n-\t\tif (adapter->mac_table[i].state & IGC_MAC_STATE_DEFAULT) {\n-\t\t\tadapter->mac_table[i].state =\n-\t\t\t\tIGC_MAC_STATE_DEFAULT | IGC_MAC_STATE_IN_USE;\n-\t\t\tadapter->mac_table[i].queue = -1;\n-\t\t\tigc_set_mac_filter_hw(adapter, 0, addr, -1);\n-\t\t} else {\n-\t\t\tadapter->mac_table[i].state = 0;\n-\t\t\tadapter->mac_table[i].queue = -1;\n-\t\t\tmemset(adapter->mac_table[i].addr, 0, ETH_ALEN);\n-\t\t\tigc_clear_mac_filter_hw(adapter, i);\n-\t\t}\n+\tentry = &adapter->mac_table[index];\n \n-\t\treturn 0;\n+\tif (entry->state & IGC_MAC_STATE_DEFAULT) {\n+\t\t/* If this is the default filter, we don't actually delete it.\n+\t\t * We just reset to its default value i.e. disable queue\n+\t\t * assignment.\n+\t\t */\n+\t\tentry->queue = -1;\n+\t\tigc_set_mac_filter_hw(adapter, 0, addr, entry->queue);\n+\t} else {\n+\t\tentry->state = 0;\n+\t\tentry->queue = -1;\n+\t\tmemset(entry->addr, 0, ETH_ALEN);\n+\t\tigc_clear_mac_filter_hw(adapter, index);\n \t}\n \n-\treturn -ENOENT;\n+\treturn 0;\n }\n \n static int igc_uc_sync(struct net_device *netdev, const unsigned char *addr)\n",
    "prefixes": [
        "11/12"
    ]
}