{"id":817945,"url":"http://patchwork.ozlabs.org/api/patches/817945/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/patch/20170924172212.10096-12-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":"<20170924172212.10096-12-jiri@resnulli.us>","list_archive_url":null,"date":"2017-09-24T17:22:11","name":"[net-next,v2,11/12] mlxsw: spectrum: Notify multicast router on RIF MTU changes","commit_ref":null,"pull_url":null,"state":"changes-requested","archived":true,"hash":"da8d12056eaa47e0f8b1cd68f18706db2fe2bc87","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/20170924172212.10096-12-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/817945/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/817945/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 10:22:25 -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 11/12] mlxsw: spectrum: Notify multicast router\n\ton RIF MTU changes","Date":"Sun, 24 Sep 2017 19:22:11 +0200","Message-Id":"<20170924172212.10096-12-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\nDue to the fact that multicast routes hold the minimum MTU of all the\negress RIFs and trap packets that don't meet it, notify the mulitcast\nrouter code on RIF MTU changes.\n\nSigned-off-by: Yotam Gigi \nReviewed-by: Ido Schimmel \nSigned-off-by: Jiri Pirko \n---\n drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 11 +++++++++++\n 1 file changed, 11 insertions(+)","diff":"diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c\nindex b36ec63..edc6462 100644\n--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c\n+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c\n@@ -5648,6 +5648,17 @@ int mlxsw_sp_netdevice_router_port_event(struct net_device *dev)\n \tif (err)\n \t\tgoto err_rif_fdb_op;\n \n+\tif (rif->mtu != dev->mtu) {\n+\t\tstruct mlxsw_sp_vr *vr;\n+\n+\t\t/* The RIF is relevant only to its mr_table instance, as unlike\n+\t\t * unicast routing, in multicast routing a RIF cannot be shared\n+\t\t * between several multicast routing tables.\n+\t\t */\n+\t\tvr = &mlxsw_sp->router->vrs[rif->vr_id];\n+\t\tmlxsw_sp_mr_rif_mtu_update(vr->mr4_table, rif, dev->mtu);\n+\t}\n+\n \tether_addr_copy(rif->addr, dev->dev_addr);\n \trif->mtu = dev->mtu;\n \n","prefixes":["net-next","v2","11/12"]}