From owner-svn-src-head@freebsd.org Tue Jul 17 09:36:05 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B88F01033985; Tue, 17 Jul 2018 09:36:05 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 69A477F26F; Tue, 17 Jul 2018 09:36:05 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4AA3C196A; Tue, 17 Jul 2018 09:36:05 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w6H9a5bK024364; Tue, 17 Jul 2018 09:36:05 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w6H9a5p9024363; Tue, 17 Jul 2018 09:36:05 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201807170936.w6H9a5p9024363@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Tue, 17 Jul 2018 09:36:05 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r336388 - head/sys/ofed/drivers/infiniband/core X-SVN-Group: head X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: head/sys/ofed/drivers/infiniband/core X-SVN-Commit-Revision: 336388 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Jul 2018 09:36:05 -0000 Author: hselasky Date: Tue Jul 17 09:36:04 2018 New Revision: 336388 URL: https://svnweb.freebsd.org/changeset/base/336388 Log: Add support for RoCEv2 multicast in ibcore. When creating address handle from multicast GID, set MAC according to the appropriate formula instead of searching for it in the GID table: - For IPv4 multicast GID use ip_eth_mc_map(). - For IPv6 multicast GID use ipv6_eth_mc_map(). Linux commit: 9636a56fa864464896bf7d1272c701f2b9a57737 MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/ofed/drivers/infiniband/core/ib_verbs.c Modified: head/sys/ofed/drivers/infiniband/core/ib_verbs.c ============================================================================== --- head/sys/ofed/drivers/infiniband/core/ib_verbs.c Tue Jul 17 09:34:29 2018 (r336387) +++ head/sys/ofed/drivers/infiniband/core/ib_verbs.c Tue Jul 17 09:36:04 2018 (r336388) @@ -1172,6 +1172,19 @@ int ib_resolve_eth_dmac(struct ib_device *device, if (!rdma_cap_eth_ah(device, ah_attr->port_num)) return 0; + if (rdma_is_multicast_addr((struct in6_addr *)ah_attr->grh.dgid.raw)) { + if (ipv6_addr_v4mapped((struct in6_addr *)ah_attr->grh.dgid.raw)) { + __be32 addr = 0; + + memcpy(&addr, ah_attr->grh.dgid.raw + 12, 4); + ip_eth_mc_map(addr, (char *)ah_attr->dmac); + } else { + ipv6_eth_mc_map((struct in6_addr *)ah_attr->grh.dgid.raw, + (char *)ah_attr->dmac); + } + return 0; + } + ret = ib_query_gid(device, ah_attr->port_num, ah_attr->grh.sgid_index,