Current version of mostly working dahdi driver
This commit is contained in:
parent
17289eda65
commit
cc2bc35f2c
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@ -34,6 +34,7 @@
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#include <sys/ioctl.h>
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#include <sys/ioctl.h>
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#include <arpa/inet.h>
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#include <arpa/inet.h>
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#include <mISDNif.h>
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#include <mISDNif.h>
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#include <dahdi/user.h>
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//#define AF_COMPATIBILITY_FUNC
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//#define AF_COMPATIBILITY_FUNC
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//#include <compat_af_isdn.h>
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//#include <compat_af_isdn.h>
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@ -106,17 +107,20 @@ static int handle_ts1_read(struct bsc_fd *bfd)
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hh = (struct mISDNhead *) msg->data;
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hh = (struct mISDNhead *) msg->data;
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ret = read(bfd->fd, &msg->data, TS1_ALLOC_SIZE - 16);
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ret = read(bfd->fd, msg->data, TS1_ALLOC_SIZE - 16);
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if (ret < 0) {
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if (ret < 0) {
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perror("read ");
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perror("read ");
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}
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}
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msgb_put(msg, ret);
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msgb_put(msg, ret - 2);
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if (ret <= 3) {
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if (ret <= 3) {
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perror("read ");
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perror("read ");
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}
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}
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DEBUGP(DMI, "<= len = %d, prim(0x%x) id(0x%x): %s\n",
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l2addr.sapi = msg->data[0] >> 2;
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ret, hh->prim, hh->id, get_prim_name(hh->prim));
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l2addr.tei = msg->data[1] >> 1;
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DEBUGP(DMI, "<= len = %d, sapi(%d) tei(%d)",
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ret, l2addr.sapi, l2addr.tei);
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int ilen;
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int ilen;
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lapd_mph_type prim;
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lapd_mph_type prim;
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@ -127,6 +131,7 @@ static int handle_ts1_read(struct bsc_fd *bfd)
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case LAPD_MPH_ACTIVATE_IND: hh->prim = MPH_ACTIVATE_IND; break;
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case LAPD_MPH_ACTIVATE_IND: hh->prim = MPH_ACTIVATE_IND; break;
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case LAPD_MPH_DEACTIVATE_IND: hh->prim = MPH_DEACTIVATE_IND; break;
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case LAPD_MPH_DEACTIVATE_IND: hh->prim = MPH_DEACTIVATE_IND; break;
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case LAPD_DL_DATA_IND: hh->prim = DL_DATA_IND; break;
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case LAPD_DL_DATA_IND: hh->prim = DL_DATA_IND; break;
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case LAPD_DL_UNITDATA_IND: hh->prim = DL_UNITDATA_IND; break;
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default: printf("ERROR: unknown prim\n");
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default: printf("ERROR: unknown prim\n");
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};
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};
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@ -136,8 +141,8 @@ static int handle_ts1_read(struct bsc_fd *bfd)
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return 0;
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return 0;
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};
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};
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l2addr.sapi = msg->data[0] >> 2;
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//l2addr.sapi = msg->data[0] >> 2;
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l2addr.tei = msg->data[1] >> 1;
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//l2addr.tei = msg->data[1] >> 1;
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msgb_pull(msg, 2);
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msgb_pull(msg, 2);
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#if 0
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#if 0
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@ -223,6 +228,7 @@ static int handle_ts1_read(struct bsc_fd *bfd)
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DEBUGP(DMI, "hh->prim %08x\n", hh->prim);
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#if 1
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#if 1
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switch (hh->prim) {
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switch (hh->prim) {
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case DL_INFORMATION_IND:
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case DL_INFORMATION_IND:
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@ -239,6 +245,7 @@ static int handle_ts1_read(struct bsc_fd *bfd)
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/* save the channel number in the driver private struct */
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/* save the channel number in the driver private struct */
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link->driver.misdn.channel = l2addr.channel;
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link->driver.misdn.channel = l2addr.channel;
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break;
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break;
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case MPH_ACTIVATE_IND:
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case DL_ESTABLISH_IND:
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case DL_ESTABLISH_IND:
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DEBUGP(DMI, "DL_ESTABLISH_IND: channel(%d) sapi(%d) tei(%d)\n",
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DEBUGP(DMI, "DL_ESTABLISH_IND: channel(%d) sapi(%d) tei(%d)\n",
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l2addr.channel, l2addr.sapi, l2addr.tei);
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l2addr.channel, l2addr.sapi, l2addr.tei);
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@ -251,8 +258,11 @@ static int handle_ts1_read(struct bsc_fd *bfd)
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break;
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break;
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case DL_DATA_IND:
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case DL_DATA_IND:
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case DL_UNITDATA_IND:
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case DL_UNITDATA_IND:
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msg->l2h = msg->data + MISDN_HEADER_LEN;
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if (hh->prim == DL_DATA_IND)
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DEBUGP(DMI, "RX: %s\n", hexdump(msgb_l2(msg), ret - MISDN_HEADER_LEN));
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msg->l2h = msg->data + 2;
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else
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msg->l2h = msg->data + 1;
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DEBUGP(DMI, "RX: %s\n", hexdump(msgb_l2(msg), ret));
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ret = e1inp_rx_ts(e1i_ts, msg, l2addr.tei, l2addr.sapi);
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ret = e1inp_rx_ts(e1i_ts, msg, l2addr.tei, l2addr.sapi);
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break;
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break;
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case PH_ACTIVATE_IND:
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case PH_ACTIVATE_IND:
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@ -267,6 +277,7 @@ static int handle_ts1_read(struct bsc_fd *bfd)
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break;
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break;
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}
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}
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#endif
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#endif
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DEBUGP(DMI, "Returned ok\n");
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return ret;
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return ret;
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}
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}
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@ -275,8 +286,10 @@ static int ts_want_write(struct e1inp_ts *e1i_ts)
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/* We never include the mISDN B-Channel FD into the
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/* We never include the mISDN B-Channel FD into the
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* writeset, since it doesn't support poll() based
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* writeset, since it doesn't support poll() based
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* write flow control */
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* write flow control */
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if (e1i_ts->type == E1INP_TS_TYPE_TRAU)
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if (e1i_ts->type == E1INP_TS_TYPE_TRAU) {
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fprintf(stderr, "Trying to write TRAU ts\n");
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return 0;
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return 0;
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}
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e1i_ts->driver.misdn.fd.when |= BSC_FD_WRITE;
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e1i_ts->driver.misdn.fd.when |= BSC_FD_WRITE;
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@ -291,6 +304,17 @@ static void timeout_ts1_write(void *data)
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ts_want_write(e1i_ts);
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ts_want_write(e1i_ts);
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}
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}
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static void dahdi_write_msg(uint8_t *data, int len, void *cbdata)
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{
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struct bsc_fd *bfd = cbdata;
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int ret;
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ret = write(bfd->fd, data, len + 2);
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if (ret < 0)
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fprintf(stderr, "%s write failed %d\n", __func__, ret);
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}
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static int handle_ts1_write(struct bsc_fd *bfd)
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static int handle_ts1_write(struct bsc_fd *bfd)
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{
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{
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struct e1inp_line *line = bfd->data;
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struct e1inp_line *line = bfd->data;
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@ -299,7 +323,7 @@ static int handle_ts1_write(struct bsc_fd *bfd)
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struct e1inp_sign_link *sign_link;
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struct e1inp_sign_link *sign_link;
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struct msgb *msg;
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struct msgb *msg;
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//u_int8_t *l2_data;
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//u_int8_t *l2_data;
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int ret;
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//int ret;
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//int no_oml = 0;
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//int no_oml = 0;
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bfd->when &= ~BSC_FD_WRITE;
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bfd->when &= ~BSC_FD_WRITE;
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@ -311,17 +335,14 @@ static int handle_ts1_write(struct bsc_fd *bfd)
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return 0;
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return 0;
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}
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}
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#if 0
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DEBUGP(DMI, "TX TEI(%d) SAPI(%d): %s\n", sign_link->tei,
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sign_link->sapi, hexdump(l2_data, msg->len - MISDN_HEADER_LEN));
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#endif
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lapd_transmit(sign_link->tei, msg->data, msg->len, bfd);
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lapd_transmit(sign_link->tei, msg->data, msg->len, bfd);
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ret = write(bfd->fd, msg->data, msg->len + 2);
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//ret = write(bfd->fd, msg->data, msg->len + 2);
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#if 0
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if (ret < 0)
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if (ret < 0)
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fprintf(stderr, "%s write failed %d\n", __func__, ret);
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fprintf(stderr, "%s write failed %d\n", __func__, ret);
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#endif
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msgb_free(msg);
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msgb_free(msg);
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/* set tx delay timer for next event */
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/* set tx delay timer for next event */
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@ -329,82 +350,105 @@ static int handle_ts1_write(struct bsc_fd *bfd)
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e1i_ts->sign.tx_timer.data = e1i_ts;
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e1i_ts->sign.tx_timer.data = e1i_ts;
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bsc_schedule_timer(&e1i_ts->sign.tx_timer, 0, 50000);
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bsc_schedule_timer(&e1i_ts->sign.tx_timer, 0, 50000);
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return ret;
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return 0;
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}
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}
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#define BCHAN_TX_GRAN 160
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static int invertbits = 1;
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static u_int8_t flip_table[256];
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static void init_flip_bits(void)
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{
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int i,k;
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for (i = 0 ; i < 256 ; i++) {
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u_int8_t sample = 0 ;
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for (k = 0; k<8; k++) {
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if ( i & 1 << k ) sample |= 0x80 >> k;
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}
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flip_table[i] = sample;
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}
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}
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static u_int8_t * flip_buf_bits ( u_int8_t * buf , int len)
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{
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int i;
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char * start = buf;
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for (i = 0 ; i < len; i++) {
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buf[i] = flip_table[(u_int8_t)buf[i]];
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}
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return start;
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}
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#define D_BCHAN_TX_GRAN 1024
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/* write to a B channel TS */
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/* write to a B channel TS */
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static int handle_tsX_write(struct bsc_fd *bfd)
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static int handle_tsX_write(struct bsc_fd *bfd)
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{
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{
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struct e1inp_line *line = bfd->data;
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struct e1inp_line *line = bfd->data;
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unsigned int ts_nr = bfd->priv_nr;
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unsigned int ts_nr = bfd->priv_nr;
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struct e1inp_ts *e1i_ts = &line->ts[ts_nr-1];
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struct e1inp_ts *e1i_ts = &line->ts[ts_nr-1];
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struct mISDNhead *hh;
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u_int8_t tx_buf[D_BCHAN_TX_GRAN];
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u_int8_t tx_buf[BCHAN_TX_GRAN + sizeof(*hh)];
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struct subch_mux *mx = &e1i_ts->trau.mux;
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struct subch_mux *mx = &e1i_ts->trau.mux;
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int ret;
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int ret;
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hh = (struct mISDNhead *) tx_buf;
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ret = subchan_mux_out(mx, tx_buf, D_BCHAN_TX_GRAN);
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hh->prim = PH_DATA_REQ;
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subchan_mux_out(mx, tx_buf+sizeof(*hh), BCHAN_TX_GRAN);
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if (ret != D_BCHAN_TX_GRAN) {
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fprintf(stderr, "Huh, got ret of %d\n", ret);
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if (ret < 0)
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return ret;
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}
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DEBUGP(DMIB, "BCHAN TX: %s\n",
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DEBUGP(DMIB, "BCHAN TX: %s\n",
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hexdump(tx_buf+sizeof(*hh), BCHAN_TX_GRAN));
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hexdump(tx_buf, D_BCHAN_TX_GRAN));
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ret = send(bfd->fd, tx_buf, sizeof(*hh) + BCHAN_TX_GRAN, 0);
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if (invertbits) {
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if (ret < sizeof(*hh) + BCHAN_TX_GRAN)
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flip_buf_bits(tx_buf, ret);
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DEBUGP(DMIB, "send returns %d instead of %lu\n", ret,
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}
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sizeof(*hh) + BCHAN_TX_GRAN);
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ret = write(bfd->fd, tx_buf, ret);
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if (ret < D_BCHAN_TX_GRAN)
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fprintf(stderr, "send returns %d instead of %lu\n", ret,
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D_BCHAN_TX_GRAN);
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return ret;
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return ret;
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}
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}
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#define TSX_ALLOC_SIZE 4096
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#define D_TSX_ALLOC_SIZE 1024
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/* FIXME: read from a B channel TS */
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/* FIXME: read from a B channel TS */
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static int handle_tsX_read(struct bsc_fd *bfd)
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static int handle_tsX_read(struct bsc_fd *bfd)
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{
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{
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struct e1inp_line *line = bfd->data;
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struct e1inp_line *line = bfd->data;
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unsigned int ts_nr = bfd->priv_nr;
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unsigned int ts_nr = bfd->priv_nr;
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struct e1inp_ts *e1i_ts = &line->ts[ts_nr-1];
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struct e1inp_ts *e1i_ts = &line->ts[ts_nr-1];
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struct msgb *msg = msgb_alloc(TSX_ALLOC_SIZE, "DAHDI TSx");
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struct msgb *msg = msgb_alloc(D_TSX_ALLOC_SIZE, "DAHDI TSx");
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struct mISDNhead ah;
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struct mISDNhead *hh = &ah;
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int ret;
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int ret;
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if (!msg)
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if (!msg)
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return -ENOMEM;
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return -ENOMEM;
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hh = (struct mISDNhead *) msg->data;
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ret = read(bfd->fd, msg->data, D_TSX_ALLOC_SIZE);
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if (ret < 0 || ret != D_TSX_ALLOC_SIZE) {
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ret = read(bfd->fd, msg->data, TSX_ALLOC_SIZE);
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fprintf(stderr, "read error %d %s\n", ret, strerror(errno));
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if (ret < 0) {
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fprintf(stderr, "read error %s\n", strerror(errno));
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return ret;
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return ret;
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}
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}
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msgb_put(msg, ret - 2);
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if (invertbits) {
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flip_buf_bits(msg->data, ret);
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if (hh->prim != PH_CONTROL_IND)
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DEBUGP(DMIB, "<= BCHAN len = %d, prim(0x%x) id(0x%x): %s\n",
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ret, hh->prim, hh->id, get_prim_name(hh->prim));
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switch (hh->prim) {
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case PH_DATA_IND:
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msg->l2h = msg->data + MISDN_HEADER_LEN;
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DEBUGP(DMIB, "BCHAN RX: %s\n",
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hexdump(msgb_l2(msg), ret - MISDN_HEADER_LEN));
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ret = e1inp_rx_ts(e1i_ts, msg, 0, 0);
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break;
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case PH_ACTIVATE_IND:
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case PH_DATA_CNF:
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/* physical layer indicates that data has been sent,
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* we thus can send some more data */
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ret = handle_tsX_write(bfd);
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default:
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break;
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}
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}
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/* FIXME: why do we free signalling msgs in the caller, and trau not? */
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msgb_put(msg, ret);
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msg->l2h = msg->data;
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DEBUGP(DMIB, "BCHAN RX: %s\n",
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hexdump(msgb_l2(msg), ret));
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ret = e1inp_rx_ts(e1i_ts, msg, 0, 0);
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/* physical layer indicates that data has been sent,
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* we thus can send some more data */
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//ret = handle_tsX_write(bfd);
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msgb_free(msg);
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msgb_free(msg);
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return ret;
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return ret;
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@ -429,6 +473,8 @@ static int dahdi_fd_cb(struct bsc_fd *bfd, unsigned int what)
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case E1INP_TS_TYPE_TRAU:
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case E1INP_TS_TYPE_TRAU:
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if (what & BSC_FD_READ)
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if (what & BSC_FD_READ)
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rc = handle_tsX_read(bfd);
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rc = handle_tsX_read(bfd);
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if (what & BSC_FD_WRITE)
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rc = handle_tsX_write(bfd);
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/* We never include the mISDN B-Channel FD into the
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/* We never include the mISDN B-Channel FD into the
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* writeset, since it doesn't support poll() based
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* writeset, since it doesn't support poll() based
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* write flow control */
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* write flow control */
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@ -472,6 +518,39 @@ struct e1inp_driver dahdi_driver = {
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.want_write = ts_want_write,
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.want_write = ts_want_write,
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};
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};
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void dahdi_set_bufinfo(int fd, int as_sigchan)
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{
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struct dahdi_bufferinfo bi;
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||||||
|
int x = 0;
|
||||||
|
|
||||||
|
if (ioctl(fd, DAHDI_GET_BUFINFO, &bi)) {
|
||||||
|
fprintf(stderr, "Error getting bufinfo\n");
|
||||||
|
exit(-1);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (as_sigchan) {
|
||||||
|
bi.numbufs = 4;
|
||||||
|
bi.bufsize = 512;
|
||||||
|
} else {
|
||||||
|
bi.numbufs = 4;
|
||||||
|
bi.bufsize = D_BCHAN_TX_GRAN;
|
||||||
|
//bi.txbufpolicy = DAHDI_POLICY_WHEN_FULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (ioctl(fd, DAHDI_SET_BUFINFO, &bi)) {
|
||||||
|
fprintf(stderr, "Error setting bufinfo\n");
|
||||||
|
exit(-1);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!as_sigchan) {
|
||||||
|
if (ioctl(fd, DAHDI_AUDIOMODE, &x)) {
|
||||||
|
fprintf(stderr, "Error setting bufinfo\n");
|
||||||
|
exit(-1);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
static int mi_e1_setup(struct e1inp_line *line, int release_l2)
|
static int mi_e1_setup(struct e1inp_line *line, int release_l2)
|
||||||
{
|
{
|
||||||
int ts, ret;
|
int ts, ret;
|
||||||
|
@ -493,15 +572,27 @@ static int mi_e1_setup(struct e1inp_line *line, int release_l2)
|
||||||
continue;
|
continue;
|
||||||
break;
|
break;
|
||||||
case E1INP_TS_TYPE_SIGN:
|
case E1INP_TS_TYPE_SIGN:
|
||||||
bfd->fd = open(openstr, O_RDWR);
|
bfd->fd = open(openstr, O_RDWR | O_NONBLOCK);
|
||||||
|
if (bfd->fd == -1) {
|
||||||
|
fprintf(stderr, "%s could not open %s %s\n",
|
||||||
|
__func__, openstr, strerror(errno));
|
||||||
|
exit(-1);
|
||||||
|
}
|
||||||
bfd->when = BSC_FD_READ;
|
bfd->when = BSC_FD_READ;
|
||||||
|
dahdi_set_bufinfo(bfd->fd, 1);
|
||||||
break;
|
break;
|
||||||
case E1INP_TS_TYPE_TRAU:
|
case E1INP_TS_TYPE_TRAU:
|
||||||
bfd->fd = open(openstr, O_RDWR);
|
bfd->fd = open(openstr, O_RDWR | O_NONBLOCK);
|
||||||
|
if (bfd->fd == -1) {
|
||||||
|
fprintf(stderr, "%s could not open %s %s\n",
|
||||||
|
__func__, openstr, strerror(errno));
|
||||||
|
exit(-1);
|
||||||
|
}
|
||||||
|
dahdi_set_bufinfo(bfd->fd, 0);
|
||||||
/* We never include the mISDN B-Channel FD into the
|
/* We never include the mISDN B-Channel FD into the
|
||||||
* writeset, since it doesn't support poll() based
|
* writeset, since it doesn't support poll() based
|
||||||
* write flow control */
|
* write flow control */
|
||||||
bfd->when = BSC_FD_READ;
|
bfd->when = BSC_FD_READ | BSC_FD_WRITE;
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -580,11 +671,14 @@ int mi_e1_line_update(struct e1inp_line *line)
|
||||||
return -EINVAL;
|
return -EINVAL;
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
init_flip_bits();
|
||||||
|
|
||||||
ret = mi_e1_setup(line, 1);
|
ret = mi_e1_setup(line, 1);
|
||||||
if (ret)
|
if (ret)
|
||||||
return ret;
|
return ret;
|
||||||
|
|
||||||
|
lapd_transmit_cb = dahdi_write_msg;
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue