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GET /api/patches/818094/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 818094,
    "url": "http://patchwork.ozlabs.org/api/patches/818094/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/20170925083230.1193-6-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": "<20170925083230.1193-6-jiri@resnulli.us>",
    "list_archive_url": null,
    "date": "2017-09-25T08:32:25",
    "name": "[net-next,05/10] mlxsw: spectrum_router: Add helpers for nexthop access",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "6111747ac80584529eed97fa3ee1022038478409",
    "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/20170925083230.1193-6-jiri@resnulli.us/mbox/",
    "series": [
        {
            "id": 4898,
            "url": "http://patchwork.ozlabs.org/api/series/4898/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=4898",
            "date": "2017-09-25T08:32:21",
            "name": "mlxsw: Add router adjacency dpipe table",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/4898/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/818094/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/818094/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
        "X-Original-To": "patchwork-incoming@ozlabs.org",
        "Delivered-To": "patchwork-incoming@ozlabs.org",
        "Authentication-Results": [
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        ],
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        "X-Gm-Message-State": "AHPjjUgeFTJD++Ve9PHgjQf83Y9wwQ921EsXqHiVrjtf3w2lmhM9qrpi\n\tTZ71QBe4c3ZgFvvJNVGqS/HeIufX",
        "X-Google-Smtp-Source": "AOwi7QD9MCzUJOvU9A12Bp5e3kidSZTjsyjr/K/X/dD6Ja82MgBHJYeAVZXHaNlfFUvv7oD4NomO8Q==",
        "X-Received": "by 10.28.50.200 with SMTP id y191mr9223434wmy.74.1506328355187; \n\tMon, 25 Sep 2017 01:32:35 -0700 (PDT)",
        "From": "Jiri Pirko <jiri@resnulli.us>",
        "To": "netdev@vger.kernel.org",
        "Cc": "davem@davemloft.net, arkadis@mellanox.com, idosch@mellanox.com,\n\tmlxsw@mellanox.com",
        "Subject": "[patch net-next 05/10] mlxsw: spectrum_router: Add helpers for\n\tnexthop access",
        "Date": "Mon, 25 Sep 2017 10:32:25 +0200",
        "Message-Id": "<20170925083230.1193-6-jiri@resnulli.us>",
        "X-Mailer": "git-send-email 2.9.5",
        "In-Reply-To": "<20170925083230.1193-1-jiri@resnulli.us>",
        "References": "<20170925083230.1193-1-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: Arkadi Sharshevsky <arkadis@mellanox.com>\n\nThis is done as a preparation before introducing the ability to dump the\nadjacency table via dpipe, and to count the table size. The current table\nimplementation avoids tunnel entries, thus a helper for checking if\nthe nexthop group contains tunnel entries is also provided. The mlxsw's\nnexthop representative struct stays private to the router module.\n\nSigned-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>\nSigned-off-by: Jiri Pirko <jiri@mellanox.com>\n---\n .../net/ethernet/mellanox/mlxsw/spectrum_router.c  | 71 ++++++++++++++++++++++\n .../net/ethernet/mellanox/mlxsw/spectrum_router.h  | 12 ++++\n 2 files changed, 83 insertions(+)",
    "diff": "diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c\nindex 8e78a95..78e0420 100644\n--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c\n+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c\n@@ -2083,6 +2083,77 @@ struct mlxsw_sp_nexthop_group {\n #define nh_rif\tnexthops[0].rif\n };\n \n+struct mlxsw_sp_nexthop *mlxsw_sp_nexthop_next(struct mlxsw_sp_router *router,\n+\t\t\t\t\t       struct mlxsw_sp_nexthop *nh)\n+{\n+\tif (!nh) {\n+\t\tif (list_empty(&router->nexthop_list))\n+\t\t\treturn NULL;\n+\t\telse\n+\t\t\treturn list_first_entry(&router->nexthop_list,\n+\t\t\t\t\t\ttypeof(*nh), router_list_node);\n+\t}\n+\tif (list_is_last(&nh->router_list_node, &router->nexthop_list))\n+\t\treturn NULL;\n+\treturn list_next_entry(nh, router_list_node);\n+}\n+\n+bool mlxsw_sp_nexthop_offload(struct mlxsw_sp_nexthop *nh)\n+{\n+\treturn nh->offloaded;\n+}\n+\n+unsigned char *mlxsw_sp_nexthop_ha(struct mlxsw_sp_nexthop *nh)\n+{\n+\tif (!nh->offloaded)\n+\t\treturn NULL;\n+\treturn nh->neigh_entry->ha;\n+}\n+\n+int mlxsw_sp_nexthop_indexes(struct mlxsw_sp_nexthop *nh, u32 *p_adj_index,\n+\t\t\t     u32 *p_adj_hash_index)\n+{\n+\tstruct mlxsw_sp_nexthop_group *nh_grp = nh->nh_grp;\n+\tu32 adj_hash_index = 0;\n+\tint i;\n+\n+\tif (!nh->offloaded || !nh_grp->adj_index_valid)\n+\t\treturn -EINVAL;\n+\n+\t*p_adj_index = nh_grp->adj_index;\n+\n+\tfor (i = 0; i < nh_grp->count; i++) {\n+\t\tstruct mlxsw_sp_nexthop *nh_iter = &nh_grp->nexthops[i];\n+\n+\t\tif (nh_iter == nh)\n+\t\t\tbreak;\n+\t\tif (nh_iter->offloaded)\n+\t\t\tadj_hash_index++;\n+\t}\n+\n+\t*p_adj_hash_index = adj_hash_index;\n+\treturn 0;\n+}\n+\n+struct mlxsw_sp_rif *mlxsw_sp_nexthop_rif(struct mlxsw_sp_nexthop *nh)\n+{\n+\treturn nh->rif;\n+}\n+\n+bool mlxsw_sp_nexthop_group_has_ipip(struct mlxsw_sp_nexthop *nh)\n+{\n+\tstruct mlxsw_sp_nexthop_group *nh_grp = nh->nh_grp;\n+\tint i;\n+\n+\tfor (i = 0; i < nh_grp->count; i++) {\n+\t\tstruct mlxsw_sp_nexthop *nh_iter = &nh_grp->nexthops[i];\n+\n+\t\tif (nh_iter->type == MLXSW_SP_NEXTHOP_TYPE_IPIP)\n+\t\t\treturn true;\n+\t}\n+\treturn false;\n+}\n+\n static struct fib_info *\n mlxsw_sp_nexthop4_group_fi(const struct mlxsw_sp_nexthop_group *nh_grp)\n {\ndiff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h\nindex ae4c99b..d6951d5 100644\n--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h\n+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h\n@@ -62,6 +62,7 @@ enum mlxsw_sp_rif_counter_dir {\n };\n \n struct mlxsw_sp_neigh_entry;\n+struct mlxsw_sp_nexthop;\n \n struct mlxsw_sp_rif *mlxsw_sp_rif_by_index(const struct mlxsw_sp *mlxsw_sp,\n \t\t\t\t\t   u16 rif_index);\n@@ -108,5 +109,16 @@ union mlxsw_sp_l3addr\n mlxsw_sp_ipip_netdev_daddr(enum mlxsw_sp_l3proto proto,\n \t\t\t   const struct net_device *ol_dev);\n __be32 mlxsw_sp_ipip_netdev_daddr4(const struct net_device *ol_dev);\n+struct mlxsw_sp_nexthop *mlxsw_sp_nexthop_next(struct mlxsw_sp_router *router,\n+\t\t\t\t\t       struct mlxsw_sp_nexthop *nh);\n+bool mlxsw_sp_nexthop_offload(struct mlxsw_sp_nexthop *nh);\n+unsigned char *mlxsw_sp_nexthop_ha(struct mlxsw_sp_nexthop *nh);\n+int mlxsw_sp_nexthop_indexes(struct mlxsw_sp_nexthop *nh, u32 *p_adj_index,\n+\t\t\t     u32 *p_adj_hash_index);\n+struct mlxsw_sp_rif *mlxsw_sp_nexthop_rif(struct mlxsw_sp_nexthop *nh);\n+bool mlxsw_sp_nexthop_group_has_ipip(struct mlxsw_sp_nexthop *nh);\n+#define mlxsw_sp_nexthop_for_each(nh, router)\t\t\t\t\\\n+\tfor (nh = mlxsw_sp_nexthop_next(router, NULL); nh;\t\t\\\n+\t     nh = mlxsw_sp_nexthop_next(router, nh))\n \n #endif /* _MLXSW_ROUTER_H_*/\n",
    "prefixes": [
        "net-next",
        "05/10"
    ]
}