/* * Ultra Wide Band * Scanning management * * Copyright (C) 2005-2006 Intel Corporation * Inaky Perez-Gonzalez * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. * * * * FIXME: docs * FIXME: there are issues here on how BEACON and SCAN on USB RCI deal * with each other. Currently seems that START_BEACON while * SCAN_ONLY will cancel the scan, so we need to update the * state here. Clarification request sent by email on * 10/05/2005. * 10/28/2005 No clear answer heard--maybe we'll hack the API * so that when we start beaconing, if the HC is * scanning in a mode not compatible with beaconing * we just fail. */ #include #include #include #include #include "uwb-internal.h" /** * Start/stop scanning in a radio controller * * @rc: UWB Radio Controller * @channel: Channel to scan; encodings in WUSB1.0[Table 5.12] * @type: Type of scanning to do. * @bpst_offset: value at which to start scanning (if type == * UWB_SCAN_ONLY_STARTTIME) * @returns: 0 if ok, < 0 errno code on error * * We put the command on kmalloc'ed memory as some arches cannot do * USB from the stack. The reply event is copied from an stage buffer, * so it can be in the stack. See WUSB1.0[8.6.2.4] for more details. */ int uwb_rc_scan(struct uwb_rc *rc, unsigned channel, enum uwb_scan_type type, unsigned bpst_offset) { int result; struct uwb_rc_cmd_scan *cmd; struct uwb_rc_evt_confirm reply; result = -ENOMEM; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (cmd == NULL) goto error_kzalloc; mutex_lock(&rc->uwb_dev.mutex); cmd->rccb.bCommandType = UWB_RC_CET_GENERAL; cmd->rccb.wCommand = cpu_to_le16(UWB_RC_CMD_SCAN); cmd->bChannelNumber = channel; cmd->bScanState = type; cmd->wStartTime = cpu_to_le16(bpst_offset); reply.rceb.bEventType = UWB_RC_CET_GENERAL; reply.rceb.wEvent = UWB_RC_CMD_SCAN; result = uwb_rc_cmd(rc, "SCAN", &cmd->rccb, sizeof(*cmd), &reply.rceb, sizeof(reply)); if (result < 0) goto error_cmd; if (reply.bResultCode != UWB_RC_RES_SUCCESS) { dev_err(&rc->uwb_dev.dev, "SCAN: command execution failed: %s (%d)\n", uwb_rc_strerror(reply.bResultCode), reply.bResultCode); result = -EIO; goto error_cmd; } rc->scanning = channel; rc->scan_type = type; error_cmd: mutex_unlock(&rc->uwb_dev.mutex); kfree(cmd); error_kzalloc: return result; } /* * Print scanning state */ static ssize_t uwb_rc_scan_show(struct device *dev, struct device_attribute *attr, char *buf) { struct uwb_dev *uwb_dev = to_uwb_dev(dev); struct uwb_rc *rc = uwb_dev->rc; ssize_t result; mutex_lock(&rc->uwb_dev.mutex); result = sprintf(buf, "%d %d\n", rc->scanning, rc->scan_type); mutex_unlock(&rc->uwb_dev.mutex); return result; } /* * */ static ssize_t uwb_rc_scan_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) { struct uwb_dev *uwb_dev = to_uwb_dev(dev); struct uwb_rc *rc = uwb_dev->rc; unsigned channel; unsigned type; unsigned bpst_offset = 0; ssize_t result = -EINVAL; result = sscanf(buf, "%u %u %u\n", &channel, &type, &bpst_offset); if (result >= 2 && type < UWB_SCAN_TOP) result = uwb_rc_scan(rc, channel, type, bpst_offset); return result < 0 ? result : size; } /** Radio Control sysfs interface (declaration) */ DEVICE_ATTR(scan, S_IRUGO | S_IWUSR, uwb_rc_scan_show, uwb_rc_scan_store); 5space:mode:
Diffstat (limited to 'net')
-rw-r--r--net/can/af_can.c12
-rw-r--r--net/can/af_can.h3
-rw-r--r--net/can/bcm.c27
-rw-r--r--net/can/gw.c2
-rw-r--r--net/can/raw.c4
-rw-r--r--net/ipv4/tcp_output.c6
-rw-r--r--net/ipv6/ip6_output.c2
-rw-r--r--net/ipv6/ip6_tunnel.c2
-rw-r--r--net/sched/cls_flower.c4
-rw-r--r--net/sched/cls_matchall.c127
-rw-r--r--net/sunrpc/auth_gss/gss_rpc_xdr.c2
11 files changed, 87 insertions, 104 deletions
diff --git a/net/can/af_can.c b/net/can/af_can.c