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{
    "id": 809171,
    "url": "http://patchwork.ozlabs.org/api/patches/809171/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/20170902214929.2890-3-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,
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    "msgid": "<20170902214929.2890-3-jiri@resnulli.us>",
    "list_archive_url": null,
    "date": "2017-09-02T21:49:10",
    "name": "[net-next,v2,02/21] mlxsw: reg: Update RATR to support IP-in-IP tunnels",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "99779fbf14c9cd5c60d18e42cef8b15937c736ea",
    "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/20170902214929.2890-3-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/809171/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/809171/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
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        "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 02/21] mlxsw: reg: Update RATR to support\n\tIP-in-IP tunnels",
        "Date": "Sat,  2 Sep 2017 23:49:10 +0200",
        "Message-Id": "<20170902214929.2890-3-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\nSo far, adjacencies have always been of type Ethernet (with value of 0),\nand thus there was no need to explicitly support RATR type. However to\nsupport IP-in-IP adjacencies, this type and a suite of IP-in-IP-specific\nattributes need to be added.\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 | 66 +++++++++++++++++++++++++++++++\n 1 file changed, 66 insertions(+)",
    "diff": "diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h\nindex 8736f8492..6a7757f 100644\n--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h\n+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h\n@@ -4362,6 +4362,38 @@ MLXSW_ITEM32(reg, ratr, v, 0x00, 24, 1);\n  */\n MLXSW_ITEM32(reg, ratr, a, 0x00, 16, 1);\n \n+enum mlxsw_reg_ratr_type {\n+\t/* Ethernet */\n+\tMLXSW_REG_RATR_TYPE_ETHERNET,\n+\t/* IPoIB Unicast without GRH.\n+\t * Reserved for Spectrum.\n+\t */\n+\tMLXSW_REG_RATR_TYPE_IPOIB_UC,\n+\t/* IPoIB Unicast with GRH. Supported only in table 0 (Ethernet unicast\n+\t * adjacency).\n+\t * Reserved for Spectrum.\n+\t */\n+\tMLXSW_REG_RATR_TYPE_IPOIB_UC_W_GRH,\n+\t/* IPoIB Multicast.\n+\t * Reserved for Spectrum.\n+\t */\n+\tMLXSW_REG_RATR_TYPE_IPOIB_MC,\n+\t/* MPLS.\n+\t * Reserved for SwitchX/-2.\n+\t */\n+\tMLXSW_REG_RATR_TYPE_MPLS,\n+\t/* IPinIP Encap.\n+\t * Reserved for SwitchX/-2.\n+\t */\n+\tMLXSW_REG_RATR_TYPE_IPIP,\n+};\n+\n+/* reg_ratr_type\n+ * Adjacency entry type.\n+ * Access: RW\n+ */\n+MLXSW_ITEM32(reg, ratr, type, 0x04, 28, 4);\n+\n /* reg_ratr_adjacency_index_low\n  * Bits 15:0 of index into the adjacency table.\n  * For SwitchX and SwitchX-2, the adjacency table is linear and\n@@ -4416,6 +4448,34 @@ MLXSW_ITEM32(reg, ratr, trap_id, 0x0C, 0, 8);\n  */\n MLXSW_ITEM_BUF(reg, ratr, eth_destination_mac, 0x12, 6);\n \n+enum mlxsw_reg_ratr_ipip_type {\n+\t/* IPv4, address set by mlxsw_reg_ratr_ipip_ipv4_udip. */\n+\tMLXSW_REG_RATR_IPIP_TYPE_IPV4,\n+\t/* IPv6, address set by mlxsw_reg_ratr_ipip_ipv6_ptr. */\n+\tMLXSW_REG_RATR_IPIP_TYPE_IPV6,\n+};\n+\n+/* reg_ratr_ipip_type\n+ * Underlay destination ip type.\n+ * Note: the type field must match the protocol of the router interface.\n+ * Access: RW\n+ */\n+MLXSW_ITEM32(reg, ratr, ipip_type, 0x10, 16, 4);\n+\n+/* reg_ratr_ipip_ipv4_udip\n+ * Underlay ipv4 dip.\n+ * Reserved when ipip_type is IPv6.\n+ * Access: RW\n+ */\n+MLXSW_ITEM32(reg, ratr, ipip_ipv4_udip, 0x18, 0, 32);\n+\n+/* reg_ratr_ipip_ipv6_ptr\n+ * Pointer to IPv6 underlay destination ip address.\n+ * For Spectrum: Pointer to KVD linear space.\n+ * Access: RW\n+ */\n+MLXSW_ITEM32(reg, ratr, ipip_ipv6_ptr, 0x1C, 0, 24);\n+\n static inline void\n mlxsw_reg_ratr_pack(char *payload,\n \t\t    enum mlxsw_reg_ratr_op op, bool valid,\n@@ -4435,6 +4495,12 @@ static inline void mlxsw_reg_ratr_eth_entry_pack(char *payload,\n \tmlxsw_reg_ratr_eth_destination_mac_memcpy_to(payload, dest_mac);\n }\n \n+static inline void mlxsw_reg_ratr_ipip4_entry_pack(char *payload, u32 ipv4_udip)\n+{\n+\tmlxsw_reg_ratr_ipip_type_set(payload, MLXSW_REG_RATR_IPIP_TYPE_IPV4);\n+\tmlxsw_reg_ratr_ipip_ipv4_udip_set(payload, ipv4_udip);\n+}\n+\n /* RICNT - Router Interface Counter Register\n  * -----------------------------------------\n  * The RICNT register retrieves per port performance counters\n",
    "prefixes": [
        "net-next",
        "v2",
        "02/21"
    ]
}