X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lnet%2Flnet%2Fmodule.c;h=a7190dd79d002d646edf19700a82f57868aade56;hb=55f5e086a541b8ce8af39c33ac6f27a965920548;hp=7cabfdea3382b676a5212b8700b967279c9b56c6;hpb=671c1b0c705640d63a1d3be7016c79afd10bc8df;p=fs%2Flustre-release.git diff --git a/lnet/lnet/module.c b/lnet/lnet/module.c index 7cabfde..a7190dd 100644 --- a/lnet/lnet/module.c +++ b/lnet/lnet/module.c @@ -15,11 +15,7 @@ * * You should have received a copy of the GNU General Public License * version 2 along with this program; If not, see - * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf - * - * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, - * CA 95054 USA or visit www.sun.com if you need additional information or - * have any questions. + * http://www.gnu.org/licenses/gpl-2.0.html * * GPL HEADER END */ @@ -27,7 +23,7 @@ * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * - * Copyright (c) 2012, 2015, Intel Corporation. + * Copyright (c) 2012, 2016, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -39,8 +35,8 @@ #include static int config_on_load = 0; -CFS_MODULE_PARM(config_on_load, "i", int, 0444, - "configure network at module load"); +module_param(config_on_load, int, 0444); +MODULE_PARM_DESC(config_on_load, "configure network at module load"); static struct mutex lnet_config_mutex; @@ -50,7 +46,7 @@ lnet_configure(void *arg) /* 'arg' only there so I can be passed to cfs_create_thread() */ int rc = 0; - LNET_MUTEX_LOCK(&lnet_config_mutex); + mutex_lock(&lnet_config_mutex); if (!the_lnet.ln_niinit_self) { rc = try_module_get(THIS_MODULE); @@ -68,7 +64,7 @@ lnet_configure(void *arg) } out: - LNET_MUTEX_UNLOCK(&lnet_config_mutex); + mutex_unlock(&lnet_config_mutex); return rc; } @@ -77,7 +73,7 @@ lnet_unconfigure (void) { int refcount; - LNET_MUTEX_LOCK(&lnet_config_mutex); + mutex_lock(&lnet_config_mutex); if (the_lnet.ln_niinit_self) { the_lnet.ln_niinit_self = 0; @@ -85,53 +81,91 @@ lnet_unconfigure (void) module_put(THIS_MODULE); } - LNET_MUTEX_LOCK(&the_lnet.ln_api_mutex); + mutex_lock(&the_lnet.ln_api_mutex); refcount = the_lnet.ln_refcount; - LNET_MUTEX_UNLOCK(&the_lnet.ln_api_mutex); + mutex_unlock(&the_lnet.ln_api_mutex); - LNET_MUTEX_UNLOCK(&lnet_config_mutex); + mutex_unlock(&lnet_config_mutex); return (refcount == 0) ? 0 : -EBUSY; } static int -lnet_dyn_configure(struct libcfs_ioctl_hdr *hdr) +lnet_dyn_configure_net(struct libcfs_ioctl_hdr *hdr) { struct lnet_ioctl_config_data *conf = (struct lnet_ioctl_config_data *)hdr; int rc; - LNET_MUTEX_LOCK(&lnet_config_mutex); + if (conf->cfg_hdr.ioc_len < sizeof(*conf)) + return -EINVAL; + + mutex_lock(&lnet_config_mutex); if (the_lnet.ln_niinit_self) - rc = lnet_dyn_add_ni(LNET_PID_LUSTRE, - conf->cfg_config_u.cfg_net.net_intf, - conf->cfg_config_u.cfg_net. - net_peer_timeout, - conf->cfg_config_u.cfg_net. - net_peer_tx_credits, - conf->cfg_config_u.cfg_net. - net_peer_rtr_credits, - conf->cfg_config_u.cfg_net. - net_max_tx_credits); + rc = lnet_dyn_add_net(conf); else rc = -EINVAL; - LNET_MUTEX_UNLOCK(&lnet_config_mutex); + mutex_unlock(&lnet_config_mutex); + return rc; } static int -lnet_dyn_unconfigure(struct libcfs_ioctl_hdr *hdr) +lnet_dyn_unconfigure_net(struct libcfs_ioctl_hdr *hdr) { struct lnet_ioctl_config_data *conf = (struct lnet_ioctl_config_data *) hdr; int rc; - LNET_MUTEX_LOCK(&lnet_config_mutex); + if (conf->cfg_hdr.ioc_len < sizeof(*conf)) + return -EINVAL; + + mutex_lock(&lnet_config_mutex); + if (the_lnet.ln_niinit_self) + rc = lnet_dyn_del_net(conf->cfg_net); + else + rc = -EINVAL; + mutex_unlock(&lnet_config_mutex); + + return rc; +} + +static int +lnet_dyn_configure_ni(struct libcfs_ioctl_hdr *hdr) +{ + struct lnet_ioctl_config_ni *conf = + (struct lnet_ioctl_config_ni *)hdr; + int rc; + + if (conf->lic_cfg_hdr.ioc_len < sizeof(*conf)) + return -EINVAL; + + mutex_lock(&lnet_config_mutex); + if (the_lnet.ln_niinit_self) + rc = lnet_dyn_add_ni(conf); + else + rc = -EINVAL; + mutex_unlock(&lnet_config_mutex); + + return rc; +} + +static int +lnet_dyn_unconfigure_ni(struct libcfs_ioctl_hdr *hdr) +{ + struct lnet_ioctl_config_ni *conf = + (struct lnet_ioctl_config_ni *) hdr; + int rc; + + if (conf->lic_cfg_hdr.ioc_len < sizeof(*conf)) + return -EINVAL; + + mutex_lock(&lnet_config_mutex); if (the_lnet.ln_niinit_self) - rc = lnet_dyn_del_ni(conf->cfg_net); + rc = lnet_dyn_del_ni(conf); else rc = -EINVAL; - LNET_MUTEX_UNLOCK(&lnet_config_mutex); + mutex_unlock(&lnet_config_mutex); return rc; } @@ -145,6 +179,10 @@ lnet_ioctl(unsigned int cmd, struct libcfs_ioctl_hdr *hdr) case IOC_LIBCFS_CONFIGURE: { struct libcfs_ioctl_data *data = (struct libcfs_ioctl_data *)hdr; + + if (data->ioc_hdr.ioc_len < sizeof(*data)) + return -EINVAL; + the_lnet.ln_nis_from_mod_params = data->ioc_flags; return lnet_configure(NULL); } @@ -153,10 +191,16 @@ lnet_ioctl(unsigned int cmd, struct libcfs_ioctl_hdr *hdr) return lnet_unconfigure(); case IOC_LIBCFS_ADD_NET: - return lnet_dyn_configure(hdr); + return lnet_dyn_configure_net(hdr); case IOC_LIBCFS_DEL_NET: - return lnet_dyn_unconfigure(hdr); + return lnet_dyn_unconfigure_net(hdr); + + case IOC_LIBCFS_ADD_LOCAL_NI: + return lnet_dyn_configure_ni(hdr); + + case IOC_LIBCFS_DEL_LOCAL_NI: + return lnet_dyn_unconfigure_ni(hdr); default: /* Passing LNET_PID_ANY only gives me a ref if the net is up