/* * ng_hci_cmds.c */ /*- * Copyright (c) Maksim Yevmenkin * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id: ng_hci_cmds.c,v 1.4 2003/09/08 18:57:51 max Exp $ * $FreeBSD$ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /****************************************************************************** ****************************************************************************** ** HCI commands processing module ****************************************************************************** ******************************************************************************/ #undef min #define min(a, b) ((a) < (b))? (a) : (b) static int complete_command (ng_hci_unit_p, int, struct mbuf **); static int process_link_control_params (ng_hci_unit_p, u_int16_t, struct mbuf *, struct mbuf *); static int process_link_policy_params (ng_hci_unit_p, u_int16_t, struct mbuf *, struct mbuf *); static int process_hc_baseband_params (ng_hci_unit_p, u_int16_t, struct mbuf *, struct mbuf *); static int process_info_params (ng_hci_unit_p, u_int16_t, struct mbuf *, struct mbuf *); static int process_status_params (ng_hci_unit_p, u_int16_t, struct mbuf *, struct mbuf *); static int process_testing_params (ng_hci_unit_p, u_int16_t, struct mbuf *, struct mbuf *); static int process_link_control_status (ng_hci_unit_p, ng_hci_command_status_ep *, struct mbuf *); static int process_link_policy_status (ng_hci_unit_p, ng_hci_command_status_ep *, struct mbuf *); /* * Send HCI command to the driver. */ int ng_hci_send_command(ng_hci_unit_p unit) { struct mbuf *m0 = NULL, *m = NULL; int free, error = 0; /* Check if other command is pending */ if (unit->state & NG_HCI_UNIT_COMMAND_PENDING) return (0); /* Check if unit can accept our command */ NG_HCI_BUFF_CMD_GET(unit->buffer, free); if (free == 0) return (0); /* Check if driver hook is still ok */ if (unit->drv == NULL || NG_HOOK_NOT_VALID(unit->drv)) { NG_HCI_WARN( "%s: %s - hook \"%s\" is not connected or valid\n", __func__, NG_NODE_NAME(unit->node), NG_HCI_HOOK_DRV); NG_BT_MBUFQ_DRAIN(&unit->cmdq); return (ENOTCONN); } /* * Get first command from queue, give it to RAW hook then * make copy of it and send it to the driver */ m0 = NG_BT_MBUFQ_FIRST(&unit->cmdq); if (m0 == NULL) return (0); ng_hci_mtap(unit, m0); m = m_dup(m0, M_NOWAIT); if (m != NULL) NG_SEND_DATA_ONLY(error, unit->drv, m); else error = ENOBUFS; if (error != 0) NG_HCI_ERR( "%s: %s - could not send HCI command, error=%d\n", __func__, NG_NODE_NAME(unit->node), error); /* * Even if we were not able to send command we still pretend * that everything is OK and let timeout handle that. */ NG_HCI_BUFF_CMD_USE(unit->buffer, 1); NG_HCI_STAT_CMD_SENT(unit->stat); NG_HCI_STAT_BYTES_SENT(unit->stat, m0->m_pkthdr.len); /* * Note: ng_hci_command_timeout() will set * NG_HCI_UNIT_COMMAND_PENDING flag */ ng_hci_command_timeout(unit); return (0); } /* ng_hci_send_command */ /* * Process HCI Command_Compete event. Complete HCI command, and do post * processing on the command parameters (cp) and command return parameters * (e) if required (for example adjust state). */ int ng_hci_process_command_complete(ng_hci_unit_p unit, struct mbuf *e) { ng_hci_command_compl_ep *ep = NULL; struct mbuf *cp = NULL; int error = 0; /* Get event packet and update command buffer info */ NG_HCI_M_PULLUP(e, sizeof(*ep)); if (e == NULL) return (ENOBUFS); /* XXX this is bad */ ep = mtod(e, ng_hci_command_compl_ep *); NG_HCI_BUFF_CMD_SET(unit->buffer, ep->num_cmd_pkts); /* Check for special NOOP command */ if (ep->opcode == 0x0000) { NG_FREE_M(e); goto out; } /* Try to match first command item in the queue */ error = complete_command(unit, ep->opcode, &cp); if (error != 0) { NG_FREE_M(e); goto out; } /* * Perform post processing on command parameters and return parameters * do it only if status is OK (status == 0). Status is the first byte * of any command return parameters. */ ep->opcode = le16toh(ep->opcode); m_adj(e, sizeof(*ep)); if (*mtod(e, u_int8_t *) == 0) { /* XXX m_pullup here? */ switch (NG_HCI_OGF(ep->opcode)) { case NG_HCI_OGF_LINK_CONTROL: error = process_link_control_params(unit, NG_HCI_OCF(ep->opcode), cp, e); break; case NG_HCI_OGF_LINK_POLICY: error = process_link_policy_params(unit, NG_HCI_OCF(ep->opcode), cp, e); break; case NG_HCI_OGF_HC_BASEBAND: error = process_hc_baseband_params(unit, NG_HCI_OCF(ep->opcode), cp, e); break; case NG_HCI_OGF_INFO: error = process_info_params(unit, NG_HCI_OCF(ep->opcode), cp, e); break; case NG_HCI_OGF_STATUS: error = process_status_params(unit, NG_HCI_OCF(ep->opcode), cp, e); break; case NG_HCI_OGF_TESTING: error = process_testing_params(unit, NG_HCI_OCF(ep->opcode), cp, e); break; case NG_HCI_OGF_BT_LOGO: case NG_HCI_OGF_VENDOR: NG_FREE_M(cp); NG_FREE_M(e); break; default: NG_FREE_M(cp); NG_FREE_M(e); error = EINVAL; break; } } else { NG_HCI_ERR( "%s: %s - HCI command failed, OGF=%#x, OCF=%#x, status=%#x\n", __func__, NG_NODE_NAME(unit->node), NG_HCI_OGF(ep->opcode), NG_HCI_OCF(ep->opcode), *mtod(e, u_int8_t *)); NG_FREE_M(cp); NG_FREE_M(e); } out: ng_hci_send_command(unit); return (error); } /* ng_hci_process_command_complete */ /* * Process HCI Command_Status event. Check the status (mst) and do post * processing (if required). */ int ng_hci_process_command_status(ng_hci_unit_p unit, struct mbuf *e) { ng_hci_command_status_ep *ep = NULL; struct mbuf *cp = NULL; int error = 0; /* Update command buffer info */ NG_HCI_M_PULLUP(e, sizeof(*ep)); if (e == NULL) return (ENOBUFS); /* XXX this is bad */ ep = mtod(e, ng_hci_command_status_ep *); NG_HCI_BUFF_CMD_SET(unit->buffer, ep->num_cmd_pkts); /* Check for special NOOP command */ if (ep->opcode == 0x0000) goto out; /* Try to match first command item in the queue */ error = complete_command(unit, ep->opcode, &cp); if (error != 0) goto out; /* * Perform post processing on HCI Command_Status event */ ep->opcode = le16toh(ep->opcode); switch (NG_HCI_OGF(ep->opcode)) { case NG_HCI_OGF_LINK_CONTROL: error = process_link_control_status(unit, ep, cp); break; case NG_HCI_OGF_LINK_POLICY: error = process_link_policy_status(unit, ep, cp); break; case NG_HCI_OGF_BT_LOGO: case NG_HCI_OGF_VENDOR: NG_FREE_M(cp); break; case NG_HCI_OGF_HC_BASEBAND: case NG_HCI_OGF_INFO: case NG_HCI_OGF_STATUS: case NG_HCI_OGF_TESTING: default: NG_FREE_M(cp); error = EINVAL; break; } out: NG_FREE_M(e); ng_hci_send_command(unit); return (error); } /* ng_hci_process_command_status */ /* * Complete queued HCI command. */ static int complete_command(ng_hci_unit_p unit, int opcode, struct mbuf **cp) { struct mbuf *m = NULL; /* Check unit state */ if (!(unit->state & NG_HCI_UNIT_COMMAND_PENDING)) { NG_HCI_ALERT( "%s: %s - no pending command, state=%#x\n", __func__, NG_NODE_NAME(unit->node), unit->state); return (EINVAL); } /* Get first command in the queue */ m = NG_BT_MBUFQ_FIRST(&unit->cmdq); if (m == NULL) { NG_HCI_ALERT( "%s: %s - empty command queue?!\n", __func__, NG_NODE_NAME(unit->node)); return (EINVAL); } /* * Match command opcode, if does not match - do nothing and * let timeout handle that. */ if (mtod(m, ng_hci_cmd_pkt_t *)->opcode != opcode) { NG_HCI_ALERT( "%s: %s - command queue is out of sync\n", __func__, NG_NODE_NAME(unit->node)); return (EINVAL); } /* * Now we can remove command timeout, dequeue completed command * and return command parameters. ng_hci_command_untimeout will * drop NG_HCI_UNIT_COMMAND_PENDING flag. * Note: if ng_hci_command_untimeout() fails (returns non-zero) * then timeout aready happened and timeout message went info node * queue. In this case we ignore command completion and pretend * there is a timeout. */ if (ng_hci_command_untimeout(unit) != 0) return (ETIMEDOUT); NG_BT_MBUFQ_DEQUEUE(&unit->cmdq, *cp); m_adj(*cp, sizeof(ng_hci_cmd_pkt_t)); return (0); } /* complete_command */ /* * Process HCI command timeout */ void ng_hci_process_command_timeout(node_p node, hook_p hook, void *arg1, int arg2) { ng_hci_unit_p unit = NULL; struct mbuf *m = NULL; u_int16_t opcode; if (NG_NODE_NOT_VALID(node)) { printf("%s: Netgraph node is not valid\n", __func__); return; } unit = (ng_hci_unit_p) NG_NODE_PRIVATE(node); if (unit->state & NG_HCI_UNIT_COMMAND_PENDING) { unit->state &= ~NG_HCI_UNIT_COMMAND_PENDING; NG_BT_MBUFQ_DEQUEUE(&unit->cmdq, m); if (m == NULL) { NG_HCI_ALERT( "%s: %s - command queue is out of sync!\n", __func__, NG_NODE_NAME(unit->node)); return; } opcode = le16toh(mtod(m, ng_hci_cmd_pkt_t *)->opcode); NG_FREE_M(m); NG_HCI_ERR( "%s: %s - unable to complete HCI command OGF=%#x, OCF=%#x. Timeout\n", __func__, NG_NODE_NAME(unit->node), NG_HCI_OGF(opcode), NG_HCI_OCF(opcode)); /* Try to send more commands */ NG_HCI_BUFF_CMD_SET(unit->buffer, 1); ng_hci_send_command(unit); } else NG_HCI_ALERT( "%s: %s - no pending command\n", __func__, NG_NODE_NAME(unit->node)); } /* ng_hci_process_command_timeout */ /* * Process link command return parameters */ static int process_link_control_params(ng_hci_unit_p unit, u_int16_t ocf, struct mbuf *mcp, struct mbuf *mrp) { int error = 0; switch (ocf) { case NG_HCI_OCF_INQUIRY_CANCEL: case NG_HCI_OCF_PERIODIC_INQUIRY: case NG_HCI_OCF_EXIT_PERIODIC_INQUIRY: case NG_HCI_OCF_LINK_KEY_REP: case NG_HCI_OCF_LINK_KEY_NEG_REP: case NG_HCI_OCF_PIN_CODE_REP: case NG_HCI_OCF_PIN_CODE_NEG_REP: /* These do not need post processing */ break; case NG_HCI_OCF_INQUIRY: case NG_HCI_OCF_CREATE_CON: case NG_HCI_OCF_DISCON: case NG_HCI_OCF_ADD_SCO_CON: case NG_HCI_OCF_ACCEPT_CON: case NG_HCI_OCF_REJECT_CON: case NG_HCI_OCF_CHANGE_CON_PKT_TYPE: case NG_HCI_OCF_AUTH_REQ: case NG_HCI_OCF_SET_CON_ENCRYPTION: case NG_HCI_OCF_CHANGE_CON_LINK_KEY: case NG_HCI_OCF_MASTER_LINK_KEY: case NG_HCI_OCF_REMOTE_NAME_REQ: case NG_HCI_OCF_READ_REMOTE_FEATURES: case NG_HCI_OCF_READ_REMOTE_VER_INFO: case NG_HCI_OCF_READ_CLOCK_OFFSET: default: /* * None of these command was supposed to generate * Command_Complete event. Instead Command_Status event * should have been generated and then appropriate event * should have been sent to indicate the final result. */ error = EINVAL; break; } NG_FREE_M(mcp); NG_FREE_M(mrp); return (error); } /* process_link_control_params */ /* * Process link policy command return parameters */ static int process_link_policy_params(ng_hci_unit_p unit, u_int16_t ocf, struct mbuf *mcp, struct mbuf *mrp) { int error = 0; switch (ocf){ case NG_HCI_OCF_ROLE_DISCOVERY: { ng_hci_role_discovery_rp *rp = NULL; ng_hci_unit_con_t *con = NULL; u_int16_t h; NG_HCI_M_PULLUP(mrp, sizeof(*rp)); if (mrp != NULL) { rp = mtod(mrp, ng_hci_role_discovery_rp *); h = NG_HCI_CON_HANDLE(le16toh(rp->con_handle)); con = ng_hci_con_by_handle(unit, h); if (con == NULL) { NG_HCI_ALERT( "%s: %s - invalid connection handle=%d\n", __func__, NG_NODE_NAME(unit->node), h); error = ENOENT; } else if (con->link_type != NG_HCI_LINK_ACL) { NG_HCI_ALERT( "%s: %s - invalid link type=%d\n", __func__, NG_NODE_NAME(unit->node), con->link_type); error = EINVAL; } else con->role = rp->role; } else error = ENOBUFS; } break; case NG_HCI_OCF_READ_LINK_POLICY_SETTINGS: case NG_HCI_OCF_WRITE_LINK_POLICY_SETTINGS: /* These do not need post processing */ break; case NG_HCI_OCF_HOLD_MODE: case NG_HCI_OCF_SNIFF_MODE: case NG_HCI_OCF_EXIT_SNIFF_MODE: case NG_HCI_OCF_PARK_MODE: case NG_HCI_OCF_EXIT_PARK_MODE: case NG_HCI_OCF_QOS_SETUP: case NG_HCI_OCF_SWITCH_ROLE: default: /* * None of these command was supposed to generate * Command_Complete event. Instead Command_Status event * should have been generated and then appropriate event * should have been sent to indicate the final result. */ error = EINVAL; break; } NG_FREE_M(mcp); NG_FREE_M(mrp); return (error); } /* process_link_policy_params */ /* * Process HC and baseband command return parameters */ int process_hc_baseband_params(ng_hci_unit_p unit, u_int16_t ocf, struct mbuf *mcp, struct mbuf *mrp) { int error = 0; switch (ocf) { case NG_HCI_OCF_SET_EVENT_MASK: case NG_HCI_OCF_SET_EVENT_FILTER: case NG_HCI_OCF_FLUSH: /* XXX Do we need to handle that? */ case NG_HCI_OCF_READ_PIN_TYPE: case NG_HCI_OCF_WRITE_PIN_TYPE: case NG_HCI_OCF_CREATE_NEW_UNIT_KEY: case NG_HCI_OCF_WRITE_STORED_LINK_KEY: case NG_HCI_OCF_WRITE_CON_ACCEPT_TIMO: case NG_HCI_OCF_WRITE_PAGE_TIMO: case NG_HCI_OCF_READ_SCAN_ENABLE: case NG_HCI_OCF_WRITE_SCAN_ENABLE: case NG_HCI_OCF_WRITE_PAGE_SCAN_ACTIVITY: case NG_HCI_OCF_WRITE_INQUIRY_SCAN_ACTIVITY: case NG_HCI_OCF_READ_AUTH_ENABLE: case NG_HCI_OCF_WRITE_AUTH_ENABLE: case NG_HCI_OCF_READ_ENCRYPTION_MODE: case NG_HCI_OCF_WRITE_ENCRYPTION_MODE: case NG_HCI_OCF_WRITE_VOICE_SETTINGS: case NG_HCI_OCF_READ_NUM_BROADCAST_RETRANS: case NG_HCI_OCF_WRITE_NUM_BROADCAST_RETRANS: case NG_HCI_OCF_READ_HOLD_MODE_ACTIVITY: case NG_HCI_OCF_WRITE_HOLD_MODE_ACTIVITY: case NG_HCI_OCF_READ_SCO_FLOW_CONTROL: case NG_HCI_OCF_WRITE_SCO_FLOW_CONTROL: case NG_HCI_OCF_H2HC_FLOW_CONTROL: /* XXX Not supported this time */ case NG_HCI_OCF_HOST_BUFFER_SIZE: case NG_HCI_OCF_READ_IAC_LAP: case NG_HCI_OCF_WRITE_IAC_LAP: case NG_HCI_OCF_READ_PAGE_SCAN_PERIOD: case NG_HCI_OCF_WRITE_PAGE_SCAN_PERIOD: case NG_HCI_OCF_READ_PAGE_SCAN: case NG_HCI_OCF_WRITE_PAGE_SCAN: case NG_HCI_OCF_READ_LINK_SUPERVISION_TIMO: case NG_HCI_OCF_WRITE_LINK_SUPERVISION_TIMO: case NG_HCI_OCF_READ_SUPPORTED_IAC_NUM: case NG_HCI_OCF_READ_STORED_LINK_KEY: case NG_HCI_OCF_DELETE_STORED_LINK_KEY: case NG_HCI_OCF_READ_CON_ACCEPT_TIMO: case NG_HCI_OCF_READ_PAGE_TIMO: case NG_HCI_OCF_READ_PAGE_SCAN_ACTIVITY: case NG_HCI_OCF_READ_INQUIRY_SCAN_ACTIVITY: case NG_HCI_OCF_READ_VOICE_SETTINGS: case NG_HCI_OCF_READ_AUTO_FLUSH_TIMO: case NG_HCI_OCF_WRITE_AUTO_FLUSH_TIMO: case NG_HCI_OCF_READ_XMIT_LEVEL: case NG_HCI_OCF_HOST_NUM_COMPL_PKTS: /* XXX Can get here? */ case NG_HCI_OCF_CHANGE_LOCAL_NAME: case NG_HCI_OCF_READ_LOCAL_NAME: case NG_HCI_OCF_READ_UNIT_CLASS: case NG_HCI_OCF_WRITE_UNIT_CLASS: /* These do not need post processing */ break; case NG_HCI_OCF_RESET: { ng_hci_unit_con_p con = NULL; int size; /* * XXX * * After RESET command unit goes into standby mode * and all operational state is lost. Host controller * will revert to default values for all parameters. * * For now we shall terminate all connections and drop * inited bit. After RESET unit must be re-initialized. */ while (!LIST_EMPTY(&unit->con_list)) { con = LIST_FIRST(&unit->con_list); /* Remove all timeouts (if any) */ if (con->flags & NG_HCI_CON_TIMEOUT_PENDING) ng_hci_con_untimeout(con); /* Connection terminated by local host */ ng_hci_lp_discon_ind(con, 0x16); ng_hci_free_con(con); } NG_HCI_BUFF_ACL_TOTAL(unit->buffer, size); NG_HCI_BUFF_ACL_FREE(unit->buffer, size); NG_HCI_BUFF_SCO_TOTAL(unit->buffer, size); NG_HCI_BUFF_SCO_FREE(unit->buffer, size); unit->state &= ~NG_HCI_UNIT_INITED; } break; default: error = EINVAL; break; } NG_FREE_M(mcp); NG_FREE_M(mrp); return (error); } /* process_hc_baseband_params */ /* * Process info command return parameters */ static int process_info_params(ng_hci_unit_p unit, u_int16_t ocf, struct mbuf *mcp, struct mbuf *mrp) { int error = 0, len; switch (ocf) { case NG_HCI_OCF_READ_LOCAL_VER: case NG_HCI_OCF_READ_COUNTRY_CODE: break; case NG_HCI_OCF_READ_LOCAL_FEATURES: m_adj(mrp, sizeof(u_int8_t)); len = min(mrp->m_pkthdr.len, sizeof(unit->features)); m_copydata(mrp, 0, len, (caddr_t) unit->features); break; case NG_HCI_OCF_READ_BUFFER_SIZE: { ng_hci_read_buffer_size_rp *rp = NULL; /* Do not update buffer descriptor if node was initialized */ if ((unit->state & NG_HCI_UNIT_READY) == NG_HCI_UNIT_READY) break; NG_HCI_M_PULLUP(mrp, sizeof(*rp)); if (mrp != NULL) { rp = mtod(mrp, ng_hci_read_buffer_size_rp *); NG_HCI_BUFF_ACL_SET( unit->buffer, le16toh(rp->num_acl_pkt), /* number */ le16toh(rp->max_acl_size), /* size */ le16toh(rp->num_acl_pkt) /* free */ ); NG_HCI_BUFF_SCO_SET( unit->buffer, le16toh(rp->num_sco_pkt), /* number */ rp->max_sco_size, /* size */ le16toh(rp->num_sco_pkt) /* free */ ); /* Let upper layers know */ ng_hci_node_is_up(unit->node, unit->acl, NULL, 0); ng_hci_node_is_up(unit->node, unit->sco, NULL, 0); } else error = ENOBUFS; } break; case NG_HCI_OCF_READ_BDADDR: /* Do not update BD_ADDR if node was initialized */ if ((unit->state & NG_HCI_UNIT_READY) == NG_HCI_UNIT_READY) break; m_adj(mrp, sizeof(u_int8_t)); len = min(mrp->m_pkthdr.len, sizeof(unit->bdaddr)); m_copydata(mrp, 0, len, (caddr_t) &unit->bdaddr); /* Let upper layers know */ ng_hci_node_is_up(unit->node, unit->acl, NULL, 0); ng_hci_node_is_up(unit->node, unit->sco, NULL, 0); break; default: error = EINVAL; break; } NG_FREE_M(mcp); NG_FREE_M(mrp); return (error); } /* process_info_params */ /* * Process status command return parameters */ static int process_status_params(ng_hci_unit_p unit, u_int16_t ocf, struct mbuf *mcp, struct mbuf *mrp) { int error = 0; switch (ocf) { case NG_HCI_OCF_READ_FAILED_CONTACT_CNTR: case NG_HCI_OCF_RESET_FAILED_CONTACT_CNTR: case NG_HCI_OCF_GET_LINK_QUALITY: case NG_HCI_OCF_READ_RSSI: /* These do not need post processing */ break; default: error = EINVAL; break; } NG_FREE_M(mcp); NG_FREE_M(mrp); return (error); } /* process_status_params */ /* * Process testing command return parameters */ int process_testing_params(ng_hci_unit_p unit, u_int16_t ocf, struct mbuf *mcp, struct mbuf *mrp) { int error = 0; switch (ocf) { /* * XXX FIXME * We do not support these features at this time. However, * HCI node could support this and do something smart. At least * node can change unit state. */ case NG_HCI_OCF_READ_LOOPBACK_MODE: case NG_HCI_OCF_WRITE_LOOPBACK_MODE: case NG_HCI_OCF_ENABLE_UNIT_UNDER_TEST: break; default: error = EINVAL; break; } NG_FREE_M(mcp); NG_FREE_M(mrp); return (error); } /* process_testing_params */ /* * Process link control command status */ static int process_link_control_status(ng_hci_unit_p unit, ng_hci_command_status_ep *ep, struct mbuf *mcp) { int error = 0; switch (NG_HCI_OCF(ep->opcode)) { case NG_HCI_OCF_INQUIRY: case NG_HCI_OCF_DISCON: /* XXX */ case NG_HCI_OCF_REJECT_CON: /* XXX */ case NG_HCI_OCF_CHANGE_CON_PKT_TYPE: case NG_HCI_OCF_AUTH_REQ: case NG_HCI_OCF_SET_CON_ENCRYPTION: case NG_HCI_OCF_CHANGE_CON_LINK_KEY: case NG_HCI_OCF_MASTER_LINK_KEY: case NG_HCI_OCF_REMOTE_NAME_REQ: case NG_HCI_OCF_READ_REMOTE_FEATURES: case NG_HCI_OCF_READ_REMOTE_VER_INFO: case NG_HCI_OCF_READ_CLOCK_OFFSET: /* These do not need post processing */ break; case NG_HCI_OCF_CREATE_CON: break; case NG_HCI_OCF_ADD_SCO_CON: break; case NG_HCI_OCF_ACCEPT_CON: break; case NG_HCI_OCF_INQUIRY_CANCEL: case NG_HCI_OCF_PERIODIC_INQUIRY: case NG_HCI_OCF_EXIT_PERIODIC_INQUIRY: case NG_HCI_OCF_LINK_KEY_REP: case NG_HCI_OCF_LINK_KEY_NEG_REP: case NG_HCI_OCF_PIN_CODE_REP: case NG_HCI_OCF_PIN_CODE_NEG_REP: default: /* * None of these command was supposed to generate * Command_Status event. Instead Command_Complete event * should have been sent. */ error = EINVAL; break; } NG_FREE_M(mcp); return (error); } /* process_link_control_status */ /* * Process link policy command status */ static int process_link_policy_status(ng_hci_unit_p unit, ng_hci_command_status_ep *ep, struct mbuf *mcp) { int error = 0; switch (NG_HCI_OCF(ep->opcode)) { case NG_HCI_OCF_HOLD_MODE: case NG_HCI_OCF_SNIFF_MODE: case NG_HCI_OCF_EXIT_SNIFF_MODE: case NG_HCI_OCF_PARK_MODE: case NG_HCI_OCF_EXIT_PARK_MODE: case NG_HCI_OCF_SWITCH_ROLE: /* These do not need post processing */ break; case NG_HCI_OCF_QOS_SETUP: break; case NG_HCI_OCF_ROLE_DISCOVERY: case NG_HCI_OCF_READ_LINK_POLICY_SETTINGS: case NG_HCI_OCF_WRITE_LINK_POLICY_SETTINGS: default: /* * None of these command was supposed to generate * Command_Status event. Instead Command_Complete event * should have been sent. */ error = EINVAL; break; } NG_FREE_M(mcp); return (error); } /* process_link_policy_status */