From owner-svn-src-stable@freebsd.org Thu Aug 2 08:12:53 2018 Return-Path: Delivered-To: svn-src-stable@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 72510105D2A0; Thu, 2 Aug 2018 08:12:53 +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 2837E79E42; Thu, 2 Aug 2018 08:12:53 +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 0965670EC; Thu, 2 Aug 2018 08:12:53 +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 w728Cq5d039218; Thu, 2 Aug 2018 08:12:52 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w728Cq44039215; Thu, 2 Aug 2018 08:12:52 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201808020812.w728Cq44039215@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Thu, 2 Aug 2018 08:12:52 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r337076 - in stable/11/sys/ofed: drivers/infiniband/core include/rdma X-SVN-Group: stable-11 X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: in stable/11/sys/ofed: drivers/infiniband/core include/rdma X-SVN-Commit-Revision: 337076 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Aug 2018 08:12:53 -0000 Author: hselasky Date: Thu Aug 2 08:12:52 2018 New Revision: 337076 URL: https://svnweb.freebsd.org/changeset/base/337076 Log: MFC r336370: Set RoCEv2 MGID according to spec in ibcore. RoCEv2 Annex states that for RoCEv2 over IPv4, the corresponding IPv4 address is encoded into the GID according to the following rule: GID= :ffff: Remove the 0xff0e prefix for RoCEv2 packets with IPv4 and leave it zeroed and change rdma_is_multicast_addr() to consider the new logic. Linux commit: be1d325a335840a86c133a56c6a911c368bac0fd 1c3aea2bc8f0b2e5b57375ead40457ff75a3a2ec Sponsored by: Mellanox Technologies Modified: stable/11/sys/ofed/drivers/infiniband/core/ib_cma.c stable/11/sys/ofed/drivers/infiniband/core/ib_verbs.c stable/11/sys/ofed/include/rdma/ib_addr.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/ofed/drivers/infiniband/core/ib_cma.c ============================================================================== --- stable/11/sys/ofed/drivers/infiniband/core/ib_cma.c Thu Aug 2 08:12:01 2018 (r337075) +++ stable/11/sys/ofed/drivers/infiniband/core/ib_cma.c Thu Aug 2 08:12:52 2018 (r337076) @@ -3947,7 +3947,8 @@ static void iboe_mcast_work_handler(struct work_struct kfree(mw); } -static void cma_iboe_set_mgid(struct sockaddr *addr, union ib_gid *mgid) +static void cma_iboe_set_mgid(struct sockaddr *addr, union ib_gid *mgid, + enum ib_gid_type gid_type) { struct sockaddr_in *sin = (struct sockaddr_in *)addr; struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)addr; @@ -3957,8 +3958,8 @@ static void cma_iboe_set_mgid(struct sockaddr *addr, u } else if (addr->sa_family == AF_INET6) { memcpy(mgid, &sin6->sin6_addr, sizeof *mgid); } else { - mgid->raw[0] = 0xff; - mgid->raw[1] = 0x0e; + mgid->raw[0] = (gid_type == IB_GID_TYPE_IB) ? 0xff : 0; + mgid->raw[1] = (gid_type == IB_GID_TYPE_IB) ? 0x0e : 0; mgid->raw[2] = 0; mgid->raw[3] = 0; mgid->raw[4] = 0; @@ -3999,7 +4000,9 @@ static int cma_iboe_join_multicast(struct rdma_id_priv goto out1; } - cma_iboe_set_mgid(addr, &mc->multicast.ib->rec.mgid); + gid_type = id_priv->cma_dev->default_gid_type[id_priv->id.port_num - + rdma_start_port(id_priv->cma_dev->device)]; + cma_iboe_set_mgid(addr, &mc->multicast.ib->rec.mgid, gid_type); mc->multicast.ib->rec.pkey = cpu_to_be16(0xffff); if (id_priv->id.ps == RDMA_PS_UDP) @@ -4015,8 +4018,6 @@ static int cma_iboe_join_multicast(struct rdma_id_priv mc->multicast.ib->rec.hop_limit = 1; mc->multicast.ib->rec.mtu = iboe_get_mtu(ndev->if_mtu); - gid_type = id_priv->cma_dev->default_gid_type[id_priv->id.port_num - - rdma_start_port(id_priv->cma_dev->device)]; if (addr->sa_family == AF_INET) { if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) { mc->multicast.ib->rec.hop_limit = IPV6_DEFAULT_HOPLIMIT; Modified: stable/11/sys/ofed/drivers/infiniband/core/ib_verbs.c ============================================================================== --- stable/11/sys/ofed/drivers/infiniband/core/ib_verbs.c Thu Aug 2 08:12:01 2018 (r337075) +++ stable/11/sys/ofed/drivers/infiniband/core/ib_verbs.c Thu Aug 2 08:12:52 2018 (r337076) @@ -1511,8 +1511,9 @@ int ib_attach_mcast(struct ib_qp *qp, union ib_gid *gi if (!qp->device->attach_mcast) return -ENOSYS; - if (gid->raw[0] != 0xff || qp->qp_type != IB_QPT_UD || - !is_valid_mcast_lid(qp, lid)) + + if (!rdma_is_multicast_addr((struct in6_addr *)gid->raw) || + qp->qp_type != IB_QPT_UD || !is_valid_mcast_lid(qp, lid)) return -EINVAL; ret = qp->device->attach_mcast(qp, gid, lid); @@ -1528,8 +1529,9 @@ int ib_detach_mcast(struct ib_qp *qp, union ib_gid *gi if (!qp->device->detach_mcast) return -ENOSYS; - if (gid->raw[0] != 0xff || qp->qp_type != IB_QPT_UD || - !is_valid_mcast_lid(qp, lid)) + + if (!rdma_is_multicast_addr((struct in6_addr *)gid->raw) || + qp->qp_type != IB_QPT_UD || !is_valid_mcast_lid(qp, lid)) return -EINVAL; ret = qp->device->detach_mcast(qp, gid, lid); Modified: stable/11/sys/ofed/include/rdma/ib_addr.h ============================================================================== --- stable/11/sys/ofed/include/rdma/ib_addr.h Thu Aug 2 08:12:01 2018 (r337075) +++ stable/11/sys/ofed/include/rdma/ib_addr.h Thu Aug 2 08:12:52 2018 (r337076) @@ -315,7 +315,13 @@ static inline void rdma_get_ll_mac(struct in6_addr *ad static inline int rdma_is_multicast_addr(struct in6_addr *addr) { - return addr->s6_addr[0] == 0xff; + __be32 ipv4_addr; + + if (addr->s6_addr[0] == 0xff) + return 1; + + ipv4_addr = addr->s6_addr32[3]; + return (ipv6_addr_v4mapped(addr) && ipv4_is_multicast(ipv4_addr)); } static inline void rdma_get_mcast_mac(struct in6_addr *addr, u8 *mac)