{"id":817950,"url":"http://patchwork.ozlabs.org/api/patches/817950/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/patch/20170924172212.10096-6-jiri@resnulli.us/","project":{"id":7,"url":"http://patchwork.ozlabs.org/api/projects/7/?format=json","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":"<20170924172212.10096-6-jiri@resnulli.us>","list_archive_url":null,"date":"2017-09-24T17:22:05","name":"[net-next,v2,05/12] net: ipmr: Add MFC offload indication","commit_ref":null,"pull_url":null,"state":"changes-requested","archived":true,"hash":"556172300f3cc9c86de2d20d442028f96ed91ce9","submitter":{"id":15321,"url":"http://patchwork.ozlabs.org/api/people/15321/?format=json","name":"Jiri Pirko","email":"jiri@resnulli.us"},"delegate":{"id":34,"url":"http://patchwork.ozlabs.org/api/users/34/?format=json","username":"davem","first_name":"David","last_name":"Miller","email":"davem@davemloft.net"},"mbox":"http://patchwork.ozlabs.org/project/netdev/patch/20170924172212.10096-6-jiri@resnulli.us/mbox/","series":[{"id":4828,"url":"http://patchwork.ozlabs.org/api/series/4828/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/list/?series=4828","date":"2017-09-24T17:22:00","name":"mlxsw: Add support for offloading IPv4 multicast routes","version":2,"mbox":"http://patchwork.ozlabs.org/series/4828/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/817950/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/817950/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; 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\n\tSun, 24 Sep 2017 10:22:18 -0700 (PDT)","From":"Jiri Pirko ","To":"netdev@vger.kernel.org","Cc":"davem@davemloft.net, yotamg@mellanox.com, idosch@mellanox.com,\n\tmlxsw@mellanox.com, nikolay@cumulusnetworks.com, andrew@lunn.ch","Subject":"[patch net-next v2 05/12] net: ipmr: Add MFC offload indication","Date":"Sun, 24 Sep 2017 19:22:05 +0200","Message-Id":"<20170924172212.10096-6-jiri@resnulli.us>","X-Mailer":"git-send-email 2.9.5","In-Reply-To":"<20170924172212.10096-1-jiri@resnulli.us>","References":"<20170924172212.10096-1-jiri@resnulli.us>","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"netdev@vger.kernel.org"},"content":"From: Yotam Gigi \n\nAllow drivers, registered to the fib notification chain indicate whether a\nmulticast MFC route is offloaded or not, similarly to unicast routes. The\nindication of whether a route is offloaded is done using the mfc_flags\nfield on an mfc_cache struct, and the information is sent to the userspace\nvia the RTNetlink interface only.\n\nCurrently, MFC routes are either offloaded or not, thus there is no need to\nadd per-VIF offload indication.\n\nSigned-off-by: Yotam Gigi \nReviewed-by: Ido Schimmel \nSigned-off-by: Jiri Pirko \n---\nv1->v2:\n - Add comment for the MFC_OFFLOAD flag\n---\n include/linux/mroute.h | 2 ++\n net/ipv4/ipmr.c | 3 +++\n 2 files changed, 5 insertions(+)","diff":"diff --git a/include/linux/mroute.h b/include/linux/mroute.h\nindex 54c5cb8..5566580 100644\n--- a/include/linux/mroute.h\n+++ b/include/linux/mroute.h\n@@ -90,9 +90,11 @@ struct mr_table {\n \n /* mfc_flags:\n * MFC_STATIC - the entry was added statically (not by a routing daemon)\n+ * MFC_OFFLOAD - the entry was offloaded to the hardware\n */\n enum {\n \tMFC_STATIC = BIT(0),\n+\tMFC_OFFLOAD = BIT(1),\n };\n \n struct mfc_cache_cmp_arg {\ndiff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c\nindex ba71bc4..2a795d2 100644\n--- a/net/ipv4/ipmr.c\n+++ b/net/ipv4/ipmr.c\n@@ -2268,6 +2268,9 @@ static int __ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb,\n \t nla_put_u32(skb, RTA_IIF, mrt->vif_table[c->mfc_parent].dev->ifindex) < 0)\n \t\treturn -EMSGSIZE;\n \n+\tif (c->mfc_flags & MFC_OFFLOAD)\n+\t\trtm->rtm_flags |= RTNH_F_OFFLOAD;\n+\n \tif (!(mp_attr = nla_nest_start(skb, RTA_MULTIPATH)))\n \t\treturn -EMSGSIZE;\n \n","prefixes":["net-next","v2","05/12"]}