diff options
| -rw-r--r-- | test/l2test.c | 124 |
1 files changed, 117 insertions, 7 deletions
diff --git a/test/l2test.c b/test/l2test.c index f3365c01..42d66adf 100644 --- a/test/l2test.c +++ b/test/l2test.c @@ -58,7 +58,8 @@ enum { CRECV, LSEND, SENDDUMP, - LSENDDUMP + LSENDDUMP, + INFOREQ }; static unsigned char *buf; @@ -676,6 +677,105 @@ static void multi_connect_mode(int argc, char *argv[]) } } +static void info_request(char *svr) +{ + unsigned char buf[48]; + l2cap_cmd_hdr *cmd = (l2cap_cmd_hdr *) buf; + l2cap_info_req *req = (l2cap_info_req *) (buf + L2CAP_CMD_HDR_SIZE); + l2cap_info_rsp *rsp = (l2cap_info_rsp *) (buf + L2CAP_CMD_HDR_SIZE); + uint16_t mtu; + uint32_t mask; + struct sockaddr_l2 addr; + int sk, err; + + sk = socket(PF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP); + if (sk < 0) { + perror("Can't create socket"); + return; + } + + memset(&addr, 0, sizeof(addr)); + addr.l2_family = AF_BLUETOOTH; + bacpy(&addr.l2_bdaddr, &bdaddr); + + if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) { + perror("Can't bind socket"); + goto failed; + } + + memset(&addr, 0, sizeof(addr)); + addr.l2_family = AF_BLUETOOTH; + str2ba(svr, &addr.l2_bdaddr); + + if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0 ) { + perror("Can't connect socket"); + goto failed; + } + + memset(buf, 0, sizeof(buf)); + cmd->code = L2CAP_INFO_REQ; + cmd->ident = 0; + cmd->len = htobs(2); + req->type = htobs(0x0001); + + if (send(sk, buf, L2CAP_CMD_HDR_SIZE + L2CAP_INFO_REQ_SIZE, 0) < 0) { + perror("Can't send info request"); + goto failed; + } + + err = recv(sk, buf, L2CAP_CMD_HDR_SIZE + L2CAP_INFO_RSP_SIZE + 2, 0); + if (err < 0) { + perror("Can't receive info response"); + goto failed; + } + + switch (btohs(rsp->result)) { + case 0x0000: + mtu = btohs(bt_get_unaligned((uint16_t *) rsp->data)); + printf("Connectionless MTU size is %d\n", mtu); + break; + case 0x0001: + printf("Connectionless MTU is not supported\n"); + break; + } + + memset(buf, 0, sizeof(buf)); + cmd->code = L2CAP_INFO_REQ; + cmd->ident = 0; + cmd->len = htobs(2); + req->type = htobs(0x0002); + + if (send(sk, buf, L2CAP_CMD_HDR_SIZE + L2CAP_INFO_REQ_SIZE, 0) < 0) { + perror("Can't send info request"); + goto failed; + } + + err = recv(sk, buf, L2CAP_CMD_HDR_SIZE + L2CAP_INFO_RSP_SIZE + 4, 0); + if (err < 0) { + perror("Can't receive info response"); + goto failed; + } + + switch (btohs(rsp->result)) { + case 0x0000: + mask = btohl(bt_get_unaligned((uint32_t *) rsp->data)); + printf("Extended feature mask is 0x%04x\n", mask); + if (mask & 0x01) + printf(" Flow control mode\n"); + if (mask & 0x02) + printf(" Retransmission mode\n"); + if (mask & 0x04) + printf(" Bi-directional QoS\n"); + break; + case 0x0001: + printf("Extended feature mask is not supported\n"); + break; + } + +failed: + close(sk); +} + static void usage(void) { printf("l2test - L2CAP testing\n" @@ -691,7 +791,8 @@ static void usage(void) "\t-n connect and be silent\n" "\t-y connect, then send, then dump incoming data\n" "\t-c connect, disconnect, connect, ...\n" - "\t-m multiple connects\n"); + "\t-m multiple connects\n" + "\t-z information request\n"); printf("Options:\n" "\t[-b bytes] [-i device] [-P psm]\n" @@ -717,7 +818,7 @@ int main(int argc, char *argv[]) bacpy(&bdaddr, BDADDR_ANY); - while ((opt=getopt(argc,argv,"rdscuwmnxyb:i:P:I:O:B:N:L:C:D:RGFAESM")) != EOF) { + while ((opt=getopt(argc,argv,"rdscuwmnxyzb:i:P:I:O:B:N:L:C:D:RGFAESM")) != EOF) { switch(opt) { case 'r': mode = RECV; @@ -756,10 +857,6 @@ int main(int argc, char *argv[]) need_addr = 1; break; - case 'b': - data_size = atoi(optarg); - break; - case 'x': mode = LSENDDUMP; break; @@ -768,6 +865,15 @@ int main(int argc, char *argv[]) mode = SENDDUMP; break; + case 'z': + mode = INFOREQ; + need_addr = 1; + break; + + case 'b': + data_size = atoi(optarg); + break; + case 'i': if (!strncasecmp(optarg, "hci", 3)) hci_devba(atoi(optarg + 3), &bdaddr); @@ -915,6 +1021,10 @@ int main(int argc, char *argv[]) case LSENDDUMP: do_listen(senddump_mode); break; + + case INFOREQ: + info_request(argv[optind]); + exit(0); } syslog(LOG_INFO, "Exit"); |