diff options
Diffstat (limited to 'drivers/dahdi/xpp/card_bri.c')
| -rw-r--r-- | drivers/dahdi/xpp/card_bri.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/dahdi/xpp/card_bri.c b/drivers/dahdi/xpp/card_bri.c index b2dd7af..936efac 100644 --- a/drivers/dahdi/xpp/card_bri.c +++ b/drivers/dahdi/xpp/card_bri.c @@ -514,6 +514,41 @@ static void bri_hdlc_hard_xmit(struct dahdi_chan *chan) } } +int send_multibyte_request(xbus_t *xbus, + unsigned unit, xportno_t portno, + bool eoftx, byte *buf, unsigned len) +{ + xframe_t *xframe; + xpacket_t *pack; + reg_cmd_t *reg_cmd; + int ret; + + if (!len) { + PORT_ERR(xbus, unit, portno, + "%s: zero length request. dropping.\n", __func__); + return -EINVAL; + } + if (len > MULTIBYTE_MAX_LEN) { + PORT_ERR(xbus, unit, portno, + "%s: len=%d is too long. dropping.\n", __func__, len); + return -EINVAL; + } + XFRAME_NEW_CMD(xframe, pack, xbus, GLOBAL, REGISTER_REQUEST, unit); + reg_cmd = &RPACKET_FIELD(pack, GLOBAL, REGISTER_REQUEST, reg_cmd); + reg_cmd->bytes = len; + reg_cmd->is_multibyte = 1; + reg_cmd->portnum = portno; + reg_cmd->eoframe = eoftx; + memcpy(REG_XDATA(reg_cmd), (byte *)buf, len); + if (debug & DBG_REGS) + dump_xframe(__func__, xbus, xframe, debug); + ret = send_cmd_frame(xbus, xframe); + if (ret < 0) + PORT_ERR(xbus, unit, portno, + "%s: failed sending xframe\n", __func__); + return ret; +} + static int tx_dchan(xpd_t *xpd) { struct BRI_priv_data *priv; |