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Mon, 04 Jan 2021 19:13:14 -0800 (PST) Date: Tue, 5 Jan 2021 11:12:56 +0800 In-Reply-To: <20210105111219.Bluez.v4.1.Ie32770d0eed2e7739ce9d17d920766fb6aee8583@changeid> Message-Id: <20210105111219.Bluez.v4.3.Idca009971ca95228a3fa7232ef648f18ff64d185@changeid> Mime-Version: 1.0 References: <20210105111219.Bluez.v4.1.Ie32770d0eed2e7739ce9d17d920766fb6aee8583@changeid> X-Mailer: git-send-email 2.29.2.729.g45daf8777d-goog Subject: [Bluez PATCH v4 3/4] btmgmt: Add command set-sysconfig From: Howard Chung To: linux-bluetooth , luiz.dentz@gmail.com Cc: mcchou@chromium.org, apusaka@chromium.org, mmandlik@chromium.org, Howard Chung Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Add command set-sysconfig in btmgmt Example usage: [mgmt]# set-sysconfig -h Parameters: -v ... e.g.: set-sysconfig -v 001a:2:1234 001f:1:00 [mgmt]# set-sysconfig -v 8:2:abcd 1:02:0100 0016:2:0600 Reviewed-by: apusaka@chromium.org --- (no changes since v2) Changes in v2: - Replace hard tabs with soft tabs in commit messages tools/btmgmt.c | 109 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) diff --git a/tools/btmgmt.c b/tools/btmgmt.c index 7d83d3ee6bd5..850268b4c322 100644 --- a/tools/btmgmt.c +++ b/tools/btmgmt.c @@ -1798,6 +1798,113 @@ static void cmd_read_sysconfig(int argc, char **argv) } } +static bool parse_mgmt_tlv(const char *input, uint16_t *type, uint8_t *length, + uint8_t *value) +{ + int i, value_starting_pos; + + if (sscanf(input, "%4hx:%1hhu:%n", type, length, + &value_starting_pos) < 2) { + return false; + } + + input += value_starting_pos; + + if (*length * 2 != strlen(input)) + return false; + + for (i = 0; i < *length; i++) { + if (!sscanf(input + i * 2, "%2hhx", &value[i])) + return false; + } + + return true; +} + +static void set_sysconfig_rsp(uint8_t status, uint16_t len, const void *param, + void *user_data) +{ + if (status != MGMT_STATUS_SUCCESS) { + error("Could not set default system configuration with status " + "0x%02x (%s)", status, mgmt_errstr(status)); + return bt_shell_noninteractive_quit(EXIT_FAILURE); + } + + print("Set default system configuration success"); + + return bt_shell_noninteractive_quit(EXIT_SUCCESS); +} + +static bool set_sysconfig(int argc, char **argv) +{ + struct mgmt_tlv_list *tlv_list = NULL; + int i; + uint16_t index, type; + uint8_t length; + uint8_t value[256] = {}; + bool success = false; + + index = mgmt_index; + if (index == MGMT_INDEX_NONE) + index = 0; + + tlv_list = mgmt_tlv_list_new(); + if (!tlv_list) { + error("tlv_list failed to init"); + goto failed; + } + + for (i = 0; i < argc; i++) { + if (!parse_mgmt_tlv(argv[i], &type, &length, value)) { + error("failed to parse"); + goto failed; + } + + if (!mgmt_tlv_add(tlv_list, type, length, value)) { + error("failed to add"); + goto failed; + } + } + + if (!mgmt_send_tlv(mgmt, MGMT_OP_SET_DEF_SYSTEM_CONFIG, index, + tlv_list, set_sysconfig_rsp, NULL, NULL)) { + error("Failed to send \"Set Default System Configuration\"" + " command"); + goto failed; + } + + success = true; + +failed: + if (tlv_list) + mgmt_tlv_list_free(tlv_list); + + return success; +} + +static void set_sysconfig_usage(void) +{ + bt_shell_usage(); + print("Parameters:\n\t-v ...\n" + "e.g.:\n\tset-sysconfig -v 001a:2:1234 001f:1:00"); +} + +static void cmd_set_sysconfig(int argc, char **argv) +{ + bool success = false; + + if (strcasecmp(argv[1], "-v") == 0 && argc > 2) { + argc -= 2; + argv += 2; + success = set_sysconfig(argc, argv); + } + + if (!success) { + set_sysconfig_usage(); + bt_shell_noninteractive_quit(EXIT_FAILURE); + } +} + static void auto_power_enable_rsp(uint8_t status, uint16_t len, const void *param, void *user_data) { @@ -5078,6 +5185,8 @@ static const struct bt_shell_menu main_menu = { cmd_exp_debug, "Set debug feature" }, { "read-sysconfig", NULL, cmd_read_sysconfig, "Read System Configuration" }, + { "set-sysconfig", "<-v|-h> [options...]", + cmd_set_sysconfig, "Set System Configuration" }, {} }, };