Return-Path: From: Andre Dieb Martins To: linux-bluetooth@vger.kernel.org Cc: Andre Dieb Martins Subject: [PATCH -v3 3/6] Add ATT error pdu dump Date: Wed, 9 Feb 2011 14:28:52 -0300 Message-Id: <1297272535-14890-3-git-send-email-andre.dieb@signove.com> In-Reply-To: <1297272535-14890-1-git-send-email-andre.dieb@signove.com> References: <1297272535-14890-1-git-send-email-andre.dieb@signove.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: --- parser/att.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 80 insertions(+), 0 deletions(-) diff --git a/parser/att.c b/parser/att.c index 261dfe6..3717839 100644 --- a/parser/att.c +++ b/parser/att.c @@ -66,6 +66,26 @@ #define ATT_OP_HANDLE_CNF 0x1E #define ATT_OP_SIGNED_WRITE_CMD 0xD2 +/* Error codes for Error response PDU */ +#define ATT_ECODE_INVALID_HANDLE 0x01 +#define ATT_ECODE_READ_NOT_PERM 0x02 +#define ATT_ECODE_WRITE_NOT_PERM 0x03 +#define ATT_ECODE_INVALID_PDU 0x04 +#define ATT_ECODE_INSUFF_AUTHEN 0x05 +#define ATT_ECODE_REQ_NOT_SUPP 0x06 +#define ATT_ECODE_INVALID_OFFSET 0x07 +#define ATT_ECODE_INSUFF_AUTHO 0x08 +#define ATT_ECODE_PREP_QUEUE_FULL 0x09 +#define ATT_ECODE_ATTR_NOT_FOUND 0x0A +#define ATT_ECODE_ATTR_NOT_LONG 0x0B +#define ATT_ECODE_INSUFF_ENCR_KEY_SIZE 0x0C +#define ATT_ECODE_INVAL_ATTR_VALUE_LEN 0x0D +#define ATT_ECODE_UNLIKELY 0x0E +#define ATT_ECODE_INSUFF_ENC 0x0F +#define ATT_ECODE_UNSUPP_GRP_TYPE 0x10 +#define ATT_ECODE_INSUFF_RESOURCES 0x11 +#define ATT_ECODE_IO 0xFF + /* Attribute Protocol Opcodes */ static const char *attop2str(uint8_t op) @@ -132,6 +152,63 @@ static const char *attop2str(uint8_t op) } } +static const char * atterror2str(uint8_t err) +{ + switch (err) { + case ATT_ECODE_INVALID_HANDLE: + return "Invalid handle"; + case ATT_ECODE_READ_NOT_PERM: + return "Read not permitted"; + case ATT_ECODE_WRITE_NOT_PERM: + return "Write not permitted"; + case ATT_ECODE_INVALID_PDU: + return "Invalid PDU"; + case ATT_ECODE_INSUFF_AUTHEN: + return "Insufficient authentication"; + case ATT_ECODE_REQ_NOT_SUPP: + return "Request not supported"; + case ATT_ECODE_INVALID_OFFSET: + return "Invalid offset"; + case ATT_ECODE_INSUFF_AUTHO: + return "Insufficient authorization"; + case ATT_ECODE_PREP_QUEUE_FULL: + return "Prepare queue full"; + case ATT_ECODE_ATTR_NOT_FOUND: + return "Attribute not found"; + case ATT_ECODE_ATTR_NOT_LONG: + return "Attribute not long"; + case ATT_ECODE_INSUFF_ENCR_KEY_SIZE: + return "Insufficient encryption key size"; + case ATT_ECODE_INVAL_ATTR_VALUE_LEN: + return "Invalid attribute value length"; + case ATT_ECODE_UNLIKELY: + return "Unlikely error"; + case ATT_ECODE_INSUFF_ENC: + return "Insufficient encryption"; + case ATT_ECODE_UNSUPP_GRP_TYPE: + return "Unsupported group type"; + case ATT_ECODE_INSUFF_RESOURCES: + return "Insufficient resources"; + case ATT_ECODE_IO: + return "Application Error"; + default: + return "Reserved"; + } +} + +static void att_error_dump(int level, struct frame *frm) +{ + uint8_t op = get_u8(frm); + uint16_t handle = btohs(htons(get_u16(frm))); + uint8_t err = get_u8(frm); + + p_indent(level, frm); + printf("Error: %s 0x%.2x\n", atterror2str(err), err); + + p_indent(level, frm); + printf("opcode %d (%s) on handle 0x%2.2x\n", op, attop2str(op), handle); +} + static void att_mtu_req_dump(int level, struct frame *frm) { uint16_t client_rx_mtu = btohs(htons(get_u16(frm))); @@ -173,6 +250,9 @@ void att_dump(int level, struct frame *frm) printf("ATT: %s (0x%.2x)\n", attop2str(op), op); switch (op) { + case ATT_OP_ERROR: + att_error_dump(level + 1, frm); + break; case ATT_OP_MTU_REQ: att_mtu_req_dump(level + 1, frm); break; -- 1.7.1