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{
    "id": 816258,
    "url": "http://patchwork.ozlabs.org/api/patches/816258/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/20170920141516.1402-3-jiri@resnulli.us/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
        "list_email": "netdev@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170920141516.1402-3-jiri@resnulli.us>",
    "list_archive_url": null,
    "date": "2017-09-20T14:15:02",
    "name": "[net-next,02/16] mlxsw: spectrum_switchdev: Add a ports bitmap to the mid db",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "98b4042bac859a79247a13dcf97cb955b64ddfcd",
    "submitter": {
        "id": 15321,
        "url": "http://patchwork.ozlabs.org/api/people/15321/?format=api",
        "name": "Jiri Pirko",
        "email": "jiri@resnulli.us"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/users/34/?format=api",
        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/20170920141516.1402-3-jiri@resnulli.us/mbox/",
    "series": [
        {
            "id": 4129,
            "url": "http://patchwork.ozlabs.org/api/series/4129/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=4129",
            "date": "2017-09-20T14:15:00",
            "name": "mlxsw: Multicast flood update",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/4129/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/816258/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/816258/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
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        "X-Received": "by 10.28.173.1 with SMTP id w1mr4096663wme.3.1505916918920;\n\tWed, 20 Sep 2017 07:15:18 -0700 (PDT)",
        "From": "Jiri Pirko <jiri@resnulli.us>",
        "To": "netdev@vger.kernel.org",
        "Cc": "davem@davemloft.net, nogahf@mellanox.com, idosch@mellanox.com,\n\tmlxsw@mellanox.com",
        "Subject": "[patch net-next 02/16] mlxsw: spectrum_switchdev: Add a ports\n\tbitmap to the mid db",
        "Date": "Wed, 20 Sep 2017 16:15:02 +0200",
        "Message-Id": "<20170920141516.1402-3-jiri@resnulli.us>",
        "X-Mailer": "git-send-email 2.9.5",
        "In-Reply-To": "<20170920141516.1402-1-jiri@resnulli.us>",
        "References": "<20170920141516.1402-1-jiri@resnulli.us>",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "From: Nogah Frankel <nogahf@mellanox.com>\n\nAdd a bitmap of ports to the mid struct to hold the ports that are\nregistered to this mid.\n\nSigned-off-by: Nogah Frankel <nogahf@mellanox.com>\nSigned-off-by: Jiri Pirko <jiri@mellanox.com>\n---\n drivers/net/ethernet/mellanox/mlxsw/spectrum.h       |  1 +\n .../net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 20 +++++++++++++++++---\n 2 files changed, 18 insertions(+), 3 deletions(-)",
    "diff": "diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h\nindex 7180d8f..0424bee 100644\n--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h\n+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h\n@@ -95,6 +95,7 @@ struct mlxsw_sp_mid {\n \tu16 fid;\n \tu16 mid;\n \tunsigned int ref_count;\n+\tunsigned long *ports_in_mid; /* bits array */\n };\n \n enum mlxsw_sp_span_type {\ndiff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c\nindex 22f8d74..0fde16a 100644\n--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c\n+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c\n@@ -1239,6 +1239,7 @@ static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp,\n \t\t\t\t\t\tu16 fid)\n {\n \tstruct mlxsw_sp_mid *mid;\n+\tsize_t alloc_size;\n \tu16 mid_idx;\n \n \tmid_idx = find_first_zero_bit(mlxsw_sp->bridge->mids_bitmap,\n@@ -1250,6 +1251,14 @@ static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp,\n \tif (!mid)\n \t\treturn NULL;\n \n+\talloc_size = sizeof(unsigned long) *\n+\t\t     BITS_TO_LONGS(mlxsw_core_max_ports(mlxsw_sp->core));\n+\tmid->ports_in_mid = kzalloc(alloc_size, GFP_KERNEL);\n+\tif (!mid->ports_in_mid) {\n+\t\tkfree(mid);\n+\t\treturn NULL;\n+\t}\n+\n \tset_bit(mid_idx, mlxsw_sp->bridge->mids_bitmap);\n \tether_addr_copy(mid->addr, addr);\n \tmid->fid = fid;\n@@ -1260,12 +1269,16 @@ static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp,\n \treturn mid;\n }\n \n-static int __mlxsw_sp_mc_dec_ref(struct mlxsw_sp *mlxsw_sp,\n+static int __mlxsw_sp_mc_dec_ref(struct mlxsw_sp_port *mlxsw_sp_port,\n \t\t\t\t struct mlxsw_sp_mid *mid)\n {\n+\tstruct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;\n+\n+\tclear_bit(mlxsw_sp_port->local_port, mid->ports_in_mid);\n \tif (--mid->ref_count == 0) {\n \t\tlist_del(&mid->list);\n \t\tclear_bit(mid->mid, mlxsw_sp->bridge->mids_bitmap);\n+\t\tkfree(mid->ports_in_mid);\n \t\tkfree(mid);\n \t\treturn 1;\n \t}\n@@ -1311,6 +1324,7 @@ static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port,\n \t\t}\n \t}\n \tmid->ref_count++;\n+\tset_bit(mlxsw_sp_port->local_port, mid->ports_in_mid);\n \n \terr = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, true,\n \t\t\t\t     mid->ref_count == 1);\n@@ -1331,7 +1345,7 @@ static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port,\n \treturn 0;\n \n err_out:\n-\t__mlxsw_sp_mc_dec_ref(mlxsw_sp, mid);\n+\t__mlxsw_sp_mc_dec_ref(mlxsw_sp_port, mid);\n \treturn err;\n }\n \n@@ -1437,7 +1451,7 @@ static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port,\n \t\tnetdev_err(dev, \"Unable to remove port from SMID\\n\");\n \n \tmid_idx = mid->mid;\n-\tif (__mlxsw_sp_mc_dec_ref(mlxsw_sp, mid)) {\n+\tif (__mlxsw_sp_mc_dec_ref(mlxsw_sp_port, mid)) {\n \t\terr = mlxsw_sp_port_mdb_op(mlxsw_sp, mdb->addr, fid_index,\n \t\t\t\t\t   mid_idx, false);\n \t\tif (err)\n",
    "prefixes": [
        "net-next",
        "02/16"
    ]
}