On Wed, Jan 6, 2016 at 6:43 AM, Hariprasad S <haripra...@chelsio.com> wrote: > > Hi Doug, > > I am trying to rping server, but it fails when bound to any address other > then IF_ANY. > # rping -s -a 102.1.1.129 -C1 -p 9999 -vd > created cm_id 0x23d7800 > rdma_bind_addr: No such file or directory > destroy cm_id 0x23d7800 > > If bound to IF_ANY address, server starts but client fails to establish > connection. > # rping -s -C1 -p 9999 -vvvd > created cm_id 0xc34800 > rdma_bind_addr successful > rdma_listen > > And the commit which introduced this regression is > > commit abae1b71dd37bab506b14a6cf6ba7148f4d57232 > Author: Matan Barak <mat...@mellanox.com> > Date: Thu Oct 15 18:38:49 2015 +0300 > > IB/cma: cma_validate_port should verify the port and netdevice > > Previously, cma_validate_port searched for GIDs in IB cache and then > tried to verify the found port. This could fail when there are > identical GIDs on both ports. In addition, netdevice should be taken > into account when searching the GID table. > Fixing cma_validate_port to search only the relevant port's cache > and netdevice. > > Signed-off-by: Matan Barak <mat...@mellanox.com> > Signed-off-by: Doug Ledford <dledf...@redhat.com > > > The bug is easily reproducible with latest rc and breaks basic rdma > functionality. > Since 4.4 is already in -rc8, can we have a quick fix. > > Thanks, > Hari--
Hi, I don't have a iwarp server, so could you please test this simple fix: diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 2cbf9c9..351e835 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -439,7 +439,7 @@ static inline int cma_validate_port(struct ib_device *device, u8 port, if ((dev_type != ARPHRD_INFINIBAND) && rdma_protocol_ib(device, port)) return ret; - if (dev_type == ARPHRD_ETHER) + if (dev_type == ARPHRD_ETHER && rdma_protocol_roce(device, port)) ndev = dev_get_by_index(&init_net, bound_if_index); ret = ib_find_cached_gid_by_port(device, gid, port, ndev, NULL); Regards, Matan > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html