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{
    "id": 809151,
    "url": "http://patchwork.ozlabs.org/api/patches/809151/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/20170902214929.2890-2-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": "<20170902214929.2890-2-jiri@resnulli.us>",
    "list_archive_url": null,
    "date": "2017-09-02T21:49:09",
    "name": "[net-next,v2,01/21] mlxsw: reg: Update RITR to support loopback device",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "eddb70c2d2f47ad3ed622a677741be634ab58229",
    "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/20170902214929.2890-2-jiri@resnulli.us/mbox/",
    "series": [
        {
            "id": 1180,
            "url": "http://patchwork.ozlabs.org/api/series/1180/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=1180",
            "date": "2017-09-02T21:49:08",
            "name": "mlxsw: Offloading GRE tunnels",
            "version": 2,
            "mbox": "http://patchwork.ozlabs.org/series/1180/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/809151/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/809151/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "X-Received": "by 10.223.167.7 with SMTP id c7mr3743482wrd.300.1504388974102;\n\tSat, 02 Sep 2017 14:49:34 -0700 (PDT)",
        "From": "Jiri Pirko <jiri@resnulli.us>",
        "To": "netdev@vger.kernel.org",
        "Cc": "davem@davemloft.net, petrm@mellanox.com, idosch@mellanox.com,\n\tmlxsw@mellanox.com",
        "Subject": "[patch net-next v2 01/21] mlxsw: reg: Update RITR to support\n\tloopback device",
        "Date": "Sat,  2 Sep 2017 23:49:09 +0200",
        "Message-Id": "<20170902214929.2890-2-jiri@resnulli.us>",
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        "References": "<20170902214929.2890-1-jiri@resnulli.us>",
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    },
    "content": "From: Petr Machata <petrm@mellanox.com>\n\nUpdate the register so that loopback RIFs can be created and loopback\nproperties specified.\n\nSigned-off-by: Petr Machata <petrm@mellanox.com>\nReviewed-by: Ido Schimmel <idosch@mellanox.com>\nSigned-off-by: Jiri Pirko <jiri@mellanox.com>\n---\n drivers/net/ethernet/mellanox/mlxsw/reg.h | 88 +++++++++++++++++++++++++++++++\n 1 file changed, 88 insertions(+)",
    "diff": "diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h\nindex 11e290c..8736f8492 100644\n--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h\n+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h\n@@ -3998,6 +3998,8 @@ enum mlxsw_reg_ritr_if_type {\n \tMLXSW_REG_RITR_FID_IF,\n \t/* Sub-port interface. */\n \tMLXSW_REG_RITR_SP_IF,\n+\t/* Loopback Interface. */\n+\tMLXSW_REG_RITR_LOOPBACK_IF,\n };\n \n /* reg_ritr_type\n@@ -4129,6 +4131,67 @@ MLXSW_ITEM32(reg, ritr, sp_if_system_port, 0x08, 0, 16);\n  */\n MLXSW_ITEM32(reg, ritr, sp_if_vid, 0x18, 0, 12);\n \n+/* Loopback Interface */\n+\n+enum mlxsw_reg_ritr_loopback_protocol {\n+\t/* IPinIP IPv4 underlay Unicast */\n+\tMLXSW_REG_RITR_LOOPBACK_PROTOCOL_IPIP_IPV4,\n+\t/* IPinIP IPv6 underlay Unicast */\n+\tMLXSW_REG_RITR_LOOPBACK_PROTOCOL_IPIP_IPV6,\n+};\n+\n+/* reg_ritr_loopback_protocol\n+ * Access: RW\n+ */\n+MLXSW_ITEM32(reg, ritr, loopback_protocol, 0x08, 28, 4);\n+\n+enum mlxsw_reg_ritr_loopback_ipip_type {\n+\t/* Tunnel is IPinIP. */\n+\tMLXSW_REG_RITR_LOOPBACK_IPIP_TYPE_IP_IN_IP,\n+\t/* Tunnel is GRE, no key. */\n+\tMLXSW_REG_RITR_LOOPBACK_IPIP_TYPE_IP_IN_GRE_IN_IP,\n+\t/* Tunnel is GRE, with a key. */\n+\tMLXSW_REG_RITR_LOOPBACK_IPIP_TYPE_IP_IN_GRE_KEY_IN_IP,\n+};\n+\n+/* reg_ritr_loopback_ipip_type\n+ * Encapsulation type.\n+ * Access: RW\n+ */\n+MLXSW_ITEM32(reg, ritr, loopback_ipip_type, 0x10, 24, 4);\n+\n+enum mlxsw_reg_ritr_loopback_ipip_options {\n+\t/* The key is defined by gre_key. */\n+\tMLXSW_REG_RITR_LOOPBACK_IPIP_OPTIONS_GRE_KEY_PRESET,\n+};\n+\n+/* reg_ritr_loopback_ipip_options\n+ * Access: RW\n+ */\n+MLXSW_ITEM32(reg, ritr, loopback_ipip_options, 0x10, 20, 4);\n+\n+/* reg_ritr_loopback_ipip_uvr\n+ * Underlay Virtual Router ID.\n+ * Range is 0..cap_max_virtual_routers-1.\n+ * Reserved for Spectrum-2.\n+ * Access: RW\n+ */\n+MLXSW_ITEM32(reg, ritr, loopback_ipip_uvr, 0x10, 0, 16);\n+\n+/* reg_ritr_loopback_ipip_usip*\n+ * Encapsulation Underlay source IP.\n+ * Access: RW\n+ */\n+MLXSW_ITEM_BUF(reg, ritr, loopback_ipip_usip6, 0x18, 16);\n+MLXSW_ITEM32(reg, ritr, loopback_ipip_usip4, 0x24, 0, 32);\n+\n+/* reg_ritr_loopback_ipip_gre_key\n+ * GRE Key.\n+ * Reserved when ipip_type is not IP_IN_GRE_KEY_IN_IP.\n+ * Access: RW\n+ */\n+MLXSW_ITEM32(reg, ritr, loopback_ipip_gre_key, 0x28, 0, 32);\n+\n /* Shared between ingress/egress */\n enum mlxsw_reg_ritr_counter_set_type {\n \t/* No Count. */\n@@ -4219,6 +4282,31 @@ static inline void mlxsw_reg_ritr_pack(char *payload, bool enable,\n \tmlxsw_reg_ritr_if_mac_memcpy_to(payload, mac);\n }\n \n+static inline void\n+mlxsw_reg_ritr_loopback_ipip_common_pack(char *payload,\n+\t\t\t    enum mlxsw_reg_ritr_loopback_ipip_type ipip_type,\n+\t\t\t    enum mlxsw_reg_ritr_loopback_ipip_options options,\n+\t\t\t    u16 uvr_id, u32 gre_key)\n+{\n+\tmlxsw_reg_ritr_loopback_ipip_type_set(payload, ipip_type);\n+\tmlxsw_reg_ritr_loopback_ipip_options_set(payload, options);\n+\tmlxsw_reg_ritr_loopback_ipip_uvr_set(payload, uvr_id);\n+\tmlxsw_reg_ritr_loopback_ipip_gre_key_set(payload, gre_key);\n+}\n+\n+static inline void\n+mlxsw_reg_ritr_loopback_ipip4_pack(char *payload,\n+\t\t\t    enum mlxsw_reg_ritr_loopback_ipip_type ipip_type,\n+\t\t\t    enum mlxsw_reg_ritr_loopback_ipip_options options,\n+\t\t\t    u16 uvr_id, u32 usip, u32 gre_key)\n+{\n+\tmlxsw_reg_ritr_loopback_protocol_set(payload,\n+\t\t\t\t    MLXSW_REG_RITR_LOOPBACK_PROTOCOL_IPIP_IPV4);\n+\tmlxsw_reg_ritr_loopback_ipip_common_pack(payload, ipip_type, options,\n+\t\t\t\t\t\t uvr_id, gre_key);\n+\tmlxsw_reg_ritr_loopback_ipip_usip4_set(payload, usip);\n+}\n+\n /* RATR - Router Adjacency Table Register\n  * --------------------------------------\n  * The RATR register is used to configure the Router Adjacency (next-hop)\n",
    "prefixes": [
        "net-next",
        "v2",
        "01/21"
    ]
}