Date: Mon, 5 Mar 2018 11:58:37 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r330494 - head/sys/ofed/drivers/infiniband/core Message-ID: <201803051158.w25BwbAC024502@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: hselasky Date: Mon Mar 5 11:58:37 2018 New Revision: 330494 URL: https://svnweb.freebsd.org/changeset/base/330494 Log: Select RoCEv2 by default in ibcore. MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/ofed/drivers/infiniband/core/ib_cma.c Modified: head/sys/ofed/drivers/infiniband/core/ib_cma.c ============================================================================== --- head/sys/ofed/drivers/infiniband/core/ib_cma.c Mon Mar 5 11:57:26 2018 (r330493) +++ head/sys/ofed/drivers/infiniband/core/ib_cma.c Mon Mar 5 11:58:37 2018 (r330494) @@ -4137,7 +4137,6 @@ static void cma_add_one(struct ib_device *device) struct cma_device *cma_dev; struct rdma_id_private *id_priv; unsigned int i; - unsigned long supported_gids = 0; cma_dev = kmalloc(sizeof *cma_dev, GFP_KERNEL); if (!cma_dev) @@ -4154,10 +4153,23 @@ static void cma_add_one(struct ib_device *device) return; } for (i = rdma_start_port(device); i <= rdma_end_port(device); i++) { + unsigned long supported_gids; + unsigned int default_gid_type; + supported_gids = roce_gid_type_mask_support(device, i); - WARN_ON(!supported_gids); + + if (WARN_ON(!supported_gids)) { + /* set something valid */ + default_gid_type = 0; + } else if (test_bit(IB_GID_TYPE_ROCE_UDP_ENCAP, &supported_gids)) { + /* prefer RoCEv2, if supported */ + default_gid_type = IB_GID_TYPE_ROCE_UDP_ENCAP; + } else { + default_gid_type = find_first_bit(&supported_gids, + BITS_PER_LONG); + } cma_dev->default_gid_type[i - rdma_start_port(device)] = - find_first_bit(&supported_gids, BITS_PER_LONG); + default_gid_type; } init_completion(&cma_dev->comp);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201803051158.w25BwbAC024502>