This adds support of variable length parameters in mgmt_config. Also fixed the endian issue. Reviewed-by: Miao-chen Chou <mcchou@xxxxxxxxxxxx> --- Changes in v3: - use iovec to fill buffer Changes in v2: - fix multiple line dereference issue src/adapter.c | 300 +++++++++++++++++++++------------------------- src/main.c | 35 +++++- src/shared/mgmt.c | 42 +++++++ src/shared/mgmt.h | 4 + 4 files changed, 213 insertions(+), 168 deletions(-) diff --git a/src/adapter.c b/src/adapter.c index c0053000ac19..561737bebd33 100644 --- a/src/adapter.c +++ b/src/adapter.c @@ -4163,269 +4163,237 @@ static void probe_devices(void *user_data) device_probe_profiles(device, btd_device_get_uuids(device)); } +static void set_mgmt_tlv(struct iovec *iov, uint16_t type, uint8_t length, + void *value) +{ + struct mgmt_tlv *entry; + size_t iov_size; + + iov_size = sizeof(struct mgmt_tlv) + length; + iov->iov_base = g_malloc(iov_size); + iov->iov_len = iov_size; + + entry = (struct mgmt_tlv *)iov->iov_base; + entry->type = htobs(type); + entry->length = length; + memcpy(entry->value, value, length); +} + static void load_default_system_params(struct btd_adapter *adapter) { - struct { - struct mgmt_tlv entry; - union { - uint16_t u16; - }; - } __packed *params; - uint16_t i = 0; - size_t len = 0; + struct iovec iovs[main_opts.default_params.num_entries]; + int cnt = 0, i; unsigned int err; if (!main_opts.default_params.num_entries || !btd_has_kernel_features(KERNEL_SET_SYSTEM_CONFIG)) return; - params = malloc0(sizeof(*params) * - main_opts.default_params.num_entries); - - len = sizeof(params->entry) * main_opts.default_params.num_entries; - if (main_opts.default_params.br_page_scan_type != 0xFFFF) { - params[i].entry.type = 0x0000; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.br_page_scan_type; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0000, + sizeof(main_opts.default_params.br_page_scan_type), + &main_opts.default_params.br_page_scan_type); + cnt++; } if (main_opts.default_params.br_page_scan_interval) { - params[i].entry.type = 0x0001; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.br_page_scan_interval; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0001, + sizeof(main_opts.default_params.br_page_scan_interval), + &main_opts.default_params.br_page_scan_interval); + cnt++; } if (main_opts.default_params.br_page_scan_win) { - params[i].entry.type = 0x0002; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.br_page_scan_win; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0002, + sizeof(main_opts.default_params.br_page_scan_win), + &main_opts.default_params.br_page_scan_win); + cnt++; } if (main_opts.default_params.br_scan_type != 0xFFFF) { - params[i].entry.type = 0x0003; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.br_scan_type; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0003, + sizeof(main_opts.default_params.br_scan_type), + &main_opts.default_params.br_scan_type); + cnt++; } if (main_opts.default_params.br_scan_interval) { - params[i].entry.type = 0x0004; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.br_scan_interval; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0004, + sizeof(main_opts.default_params.br_scan_interval), + &main_opts.default_params.br_scan_interval); + cnt++; } if (main_opts.default_params.br_scan_win) { - params[i].entry.type = 0x0005; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.br_scan_win; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0005, + sizeof(main_opts.default_params.br_scan_win), + &main_opts.default_params.br_scan_win); + cnt++; } if (main_opts.default_params.br_link_supervision_timeout) { - params[i].entry.type = 0x0006; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = - main_opts.default_params.br_link_supervision_timeout; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0006, + sizeof(main_opts.default_params.br_link_supervision_timeout), + &main_opts.default_params.br_link_supervision_timeout); + cnt++; } if (main_opts.default_params.br_page_timeout) { - params[i].entry.type = 0x0007; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.br_page_timeout; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0007, + sizeof(main_opts.default_params.br_page_timeout), + &main_opts.default_params.br_page_timeout); + cnt++; } if (main_opts.default_params.br_min_sniff_interval) { - params[i].entry.type = 0x0008; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.br_min_sniff_interval; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0008, + sizeof(main_opts.default_params.br_min_sniff_interval), + &main_opts.default_params.br_min_sniff_interval); + cnt++; } if (main_opts.default_params.br_max_sniff_interval) { - params[i].entry.type = 0x0009; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.br_max_sniff_interval; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0009, + sizeof(main_opts.default_params.br_max_sniff_interval), + &main_opts.default_params.br_max_sniff_interval); + cnt++; } if (main_opts.default_params.le_min_adv_interval) { - params[i].entry.type = 0x000a; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.le_min_adv_interval; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x000a, + sizeof(main_opts.default_params.le_min_adv_interval), + &main_opts.default_params.le_min_adv_interval); + cnt++; } if (main_opts.default_params.le_max_adv_interval) { - params[i].entry.type = 0x000b; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.le_max_adv_interval; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x000b, + sizeof(main_opts.default_params.le_max_adv_interval), + &main_opts.default_params.le_max_adv_interval); + cnt++; } if (main_opts.default_params.le_multi_adv_rotation_interval) { - params[i].entry.type = 0x000c; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = - main_opts.default_params.le_multi_adv_rotation_interval; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x000c, + sizeof(main_opts.default_params.le_multi_adv_rotation_interval), + &main_opts.default_params.le_multi_adv_rotation_interval); + cnt++; } if (main_opts.default_params.le_scan_interval_autoconnect) { - params[i].entry.type = 0x000d; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = - main_opts.default_params.le_scan_interval_autoconnect; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x000d, + sizeof(main_opts.default_params.le_scan_interval_autoconnect), + &main_opts.default_params.le_scan_interval_autoconnect); + cnt++; } if (main_opts.default_params.le_scan_win_autoconnect) { - params[i].entry.type = 0x000e; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = - main_opts.default_params.le_scan_win_autoconnect; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x000e, + sizeof(main_opts.default_params.le_scan_win_autoconnect), + &main_opts.default_params.le_scan_win_autoconnect); + cnt++; } if (main_opts.default_params.le_scan_interval_suspend) { - params[i].entry.type = 0x000f; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = - main_opts.default_params.le_scan_interval_suspend; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x000f, + sizeof(main_opts.default_params.le_scan_interval_suspend), + &main_opts.default_params.le_scan_interval_suspend); + cnt++; } if (main_opts.default_params.le_scan_win_suspend) { - params[i].entry.type = 0x0010; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.le_scan_win_suspend; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0010, + sizeof(main_opts.default_params.le_scan_win_suspend), + &main_opts.default_params.le_scan_win_suspend); + cnt++; } if (main_opts.default_params.le_scan_interval_discovery) { - params[i].entry.type = 0x0011; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = - main_opts.default_params.le_scan_interval_discovery; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0011, + sizeof(main_opts.default_params.le_scan_interval_discovery), + &main_opts.default_params.le_scan_interval_discovery); + cnt++; } if (main_opts.default_params.le_scan_win_discovery) { - params[i].entry.type = 0x0012; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = - main_opts.default_params.le_scan_win_discovery; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0012, + sizeof(main_opts.default_params.le_scan_win_discovery), + &main_opts.default_params.le_scan_win_discovery); + cnt++; } if (main_opts.default_params.le_scan_interval_adv_monitor) { - params[i].entry.type = 0x0013; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = - main_opts.default_params.le_scan_interval_adv_monitor; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0013, + sizeof(main_opts.default_params.le_scan_interval_adv_monitor), + &main_opts.default_params.le_scan_interval_adv_monitor); + cnt++; } if (main_opts.default_params.le_scan_win_adv_monitor) { - params[i].entry.type = 0x0014; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = - main_opts.default_params.le_scan_win_adv_monitor; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0014, + sizeof(main_opts.default_params.le_scan_win_adv_monitor), + &main_opts.default_params.le_scan_win_adv_monitor); + cnt++; } if (main_opts.default_params.le_scan_interval_connect) { - params[i].entry.type = 0x0015; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = - main_opts.default_params.le_scan_interval_connect; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0015, + sizeof(main_opts.default_params.le_scan_interval_connect), + &main_opts.default_params.le_scan_interval_connect); + cnt++; } if (main_opts.default_params.le_scan_win_connect) { - params[i].entry.type = 0x0016; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.le_scan_win_connect; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0016, + sizeof(main_opts.default_params.le_scan_win_connect), + &main_opts.default_params.le_scan_win_connect); + cnt++; } if (main_opts.default_params.le_min_conn_interval) { - params[i].entry.type = 0x0017; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.le_min_conn_interval; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0017, + sizeof(main_opts.default_params.le_min_conn_interval), + &main_opts.default_params.le_min_conn_interval); + cnt++; } if (main_opts.default_params.le_max_conn_interval) { - params[i].entry.type = 0x0018; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.le_max_conn_interval; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0018, + sizeof(main_opts.default_params.le_max_conn_interval), + &main_opts.default_params.le_max_conn_interval); + cnt++; } if (main_opts.default_params.le_conn_latency) { - params[i].entry.type = 0x0019; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.le_conn_latency; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x0019, + sizeof(main_opts.default_params.le_conn_latency), + &main_opts.default_params.le_conn_latency); + cnt++; } if (main_opts.default_params.le_conn_lsto) { - params[i].entry.type = 0x001a; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.le_conn_lsto; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x001a, + sizeof(main_opts.default_params.le_conn_lsto), + &main_opts.default_params.le_conn_lsto); + cnt++; } if (main_opts.default_params.le_autoconnect_timeout) { - params[i].entry.type = 0x001b; - params[i].entry.length = sizeof(params[i].u16); - params[i].u16 = main_opts.default_params.le_autoconnect_timeout; - ++i; - len += sizeof(params[i].u16); + set_mgmt_tlv(iovs + cnt, 0x001b, + sizeof(main_opts.default_params.le_autoconnect_timeout), + &main_opts.default_params.le_autoconnect_timeout); + cnt++; } - err = mgmt_send(adapter->mgmt, MGMT_OP_SET_DEF_SYSTEM_CONFIG, - adapter->dev_id, len, params, NULL, NULL, NULL); + err = mgmt_sendv(adapter->mgmt, MGMT_OP_SET_DEF_SYSTEM_CONFIG, + adapter->dev_id, cnt, iovs, NULL, NULL, NULL); if (!err) btd_error(adapter->dev_id, "Failed to set default system config for hci%u", adapter->dev_id); - free(params); + for (i = 0; i < cnt; i++) + g_free(iovs[i].iov_base); } static void load_devices(struct btd_adapter *adapter) diff --git a/src/main.c b/src/main.c index 77be776686a8..b83f7bffb485 100644 --- a/src/main.c +++ b/src/main.c @@ -305,120 +305,149 @@ static void parse_controller_config(GKeyFile *config) { static const struct { const char * const val_name; - uint16_t * const val; + void * const val; + const size_t size; const uint16_t min; const uint16_t max; } params[] = { { "BRPageScanType", &main_opts.default_params.br_page_scan_type, + sizeof(main_opts.default_params.br_page_scan_type), 0, 1}, { "BRPageScanInterval", &main_opts.default_params.br_page_scan_interval, + sizeof(main_opts.default_params.br_page_scan_interval), 0x0012, 0x1000}, { "BRPageScanWindow", &main_opts.default_params.br_page_scan_win, + sizeof(main_opts.default_params.br_page_scan_win), 0x0011, 0x1000}, { "BRInquiryScanType", &main_opts.default_params.br_scan_type, + sizeof(main_opts.default_params.br_scan_type), 0, 1}, { "BRInquiryScanInterval", &main_opts.default_params.br_scan_interval, + sizeof(main_opts.default_params.br_scan_interval), 0x0012, 0x1000}, { "BRInquiryScanWindow", &main_opts.default_params.br_scan_win, + sizeof(main_opts.default_params.br_scan_win), 0x0011, 0x1000}, { "BRLinkSupervisionTimeout", &main_opts.default_params.br_link_supervision_timeout, + sizeof(main_opts.default_params.br_link_supervision_timeout), 0x0001, 0xFFFF}, { "BRPageTimeout", &main_opts.default_params.br_page_timeout, + sizeof(main_opts.default_params.br_page_scan_win), 0x0001, 0xFFFF}, { "BRMinSniffInterval", &main_opts.default_params.br_min_sniff_interval, + sizeof(main_opts.default_params.br_min_sniff_interval), 0x0001, 0xFFFE}, { "BRMaxSniffInterval", &main_opts.default_params.br_max_sniff_interval, + sizeof(main_opts.default_params.br_max_sniff_interval), 0x0001, 0xFFFE}, { "LEMinAdvertisementInterval", &main_opts.default_params.le_min_adv_interval, + sizeof(main_opts.default_params.le_min_adv_interval), 0x0020, 0x4000}, { "LEMaxAdvertisementInterval", &main_opts.default_params.le_max_adv_interval, + sizeof(main_opts.default_params.le_max_adv_interval), 0x0020, 0x4000}, { "LEMultiAdvertisementRotationInterval", &main_opts.default_params.le_multi_adv_rotation_interval, + sizeof(main_opts.default_params.le_multi_adv_rotation_interval), 0x0001, 0xFFFF}, { "LEScanIntervalAutoConnect", &main_opts.default_params.le_scan_interval_autoconnect, + sizeof(main_opts.default_params.le_scan_interval_autoconnect), 0x0004, 0x4000}, { "LEScanWindowAutoConnect", &main_opts.default_params.le_scan_win_autoconnect, + sizeof(main_opts.default_params.le_scan_win_autoconnect), 0x0004, 0x4000}, { "LEScanIntervalSuspend", &main_opts.default_params.le_scan_interval_suspend, + sizeof(main_opts.default_params.le_scan_interval_suspend), 0x0004, 0x4000}, { "LEScanWindowSuspend", &main_opts.default_params.le_scan_win_suspend, + sizeof(main_opts.default_params.le_scan_win_suspend), 0x0004, 0x4000}, { "LEScanIntervalDiscovery", &main_opts.default_params.le_scan_interval_discovery, + sizeof(main_opts.default_params.le_scan_interval_discovery), 0x0004, 0x4000}, { "LEScanWindowDiscovery", &main_opts.default_params.le_scan_win_discovery, + sizeof(main_opts.default_params.le_scan_win_discovery), 0x0004, 0x4000}, { "LEScanIntervalAdvMonitor", &main_opts.default_params.le_scan_interval_adv_monitor, + sizeof(main_opts.default_params.le_scan_interval_adv_monitor), 0x0004, 0x4000}, { "LEScanWindowAdvMonitor", &main_opts.default_params.le_scan_win_adv_monitor, + sizeof(main_opts.default_params.le_scan_win_adv_monitor), 0x0004, 0x4000}, { "LEScanIntervalConnect", &main_opts.default_params.le_scan_interval_connect, + sizeof(main_opts.default_params.le_scan_interval_connect), 0x0004, 0x4000}, { "LEScanWindowConnect", &main_opts.default_params.le_scan_win_connect, + sizeof(main_opts.default_params.le_scan_win_connect), 0x0004, 0x4000}, { "LEMinConnectionInterval", &main_opts.default_params.le_min_conn_interval, + sizeof(main_opts.default_params.le_min_conn_interval), 0x0006, 0x0C80}, { "LEMaxConnectionInterval", &main_opts.default_params.le_max_conn_interval, + sizeof(main_opts.default_params.le_max_conn_interval), 0x0006, 0x0C80}, { "LEConnectionLatency", &main_opts.default_params.le_conn_latency, + sizeof(main_opts.default_params.le_conn_latency), 0x0000, 0x01F3}, { "LEConnectionSupervisionTimeout", &main_opts.default_params.le_conn_lsto, + sizeof(main_opts.default_params.le_conn_lsto), 0x000A, 0x0C80}, { "LEAutoconnecttimeout", &main_opts.default_params.le_autoconnect_timeout, + sizeof(main_opts.default_params.le_autoconnect_timeout), 0x0001, 0x4000}, }; @@ -439,7 +468,9 @@ static void parse_controller_config(GKeyFile *config) val = MAX(val, params[i].min); val = MIN(val, params[i].max); - *params[i].val = val; + + val = htobl(val); + memcpy(params[i].val, &val, params[i].size); ++main_opts.default_params.num_entries; } } diff --git a/src/shared/mgmt.c b/src/shared/mgmt.c index b327b4088c6f..c6560e9c265b 100644 --- a/src/shared/mgmt.c +++ b/src/shared/mgmt.c @@ -558,6 +558,48 @@ static struct mgmt_request *create_request(uint16_t opcode, uint16_t index, return request; } +unsigned int mgmt_sendv(struct mgmt *mgmt, uint16_t opcode, uint16_t index, + int count, void *iovecs, + mgmt_request_func_t callback, + void *user_data, mgmt_destroy_func_t destroy) +{ + FILE *ptr = NULL; + int fd; + uint8_t *buf = NULL; + uint16_t buf_len; + unsigned int ret = 0; + + ptr = tmpfile(); + + if (!ptr) + goto done; + + fd = fileno(ptr); + buf_len = writev(fd, (struct iovec *)iovecs, count); + + if (buf_len < 0) + goto done; + + buf = malloc(buf_len); + + if (!buf) + goto done; + + rewind(ptr); + if (fread(buf, 1, buf_len, ptr) < buf_len) + goto done; + + ret = mgmt_send(mgmt, opcode, index, buf_len, buf, callback, user_data, + destroy); + +done: + if (ptr) + fclose(ptr); + if (buf) + free(buf); + return ret; +} + unsigned int mgmt_send(struct mgmt *mgmt, uint16_t opcode, uint16_t index, uint16_t length, const void *param, mgmt_request_func_t callback, diff --git a/src/shared/mgmt.h b/src/shared/mgmt.h index 6608faa7ed0f..87158ebc3774 100644 --- a/src/shared/mgmt.h +++ b/src/shared/mgmt.h @@ -33,6 +33,10 @@ bool mgmt_set_close_on_unref(struct mgmt *mgmt, bool do_close); typedef void (*mgmt_request_func_t)(uint8_t status, uint16_t length, const void *param, void *user_data); +unsigned int mgmt_sendv(struct mgmt *mgmt, uint16_t opcode, uint16_t index, + int count, void *iovecs, + mgmt_request_func_t callback, + void *user_data, mgmt_destroy_func_t destroy); unsigned int mgmt_send(struct mgmt *mgmt, uint16_t opcode, uint16_t index, uint16_t length, const void *param, mgmt_request_func_t callback, -- 2.29.0.rc1.297.gfa9743e501-goog