mirror of
https://gitea.osmocom.org/cellular-infrastructure/osmo-mgw.git
synced 2025-11-02 21:13:44 +00:00
145 lines
4.0 KiB
Diff
145 lines
4.0 KiB
Diff
diff -Nru --exclude-from /sunbeam/home/laforge/scripts/dontdiff linux-2.6.27.4-clean/drivers/isdn/mISDN/layer2.c linux-2.6.27.4/drivers/isdn/mISDN/layer2.c
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--- linux-2.6.27.4-clean/drivers/isdn/mISDN/layer2.c 2008-10-26 00:05:07.000000000 +0200
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+++ linux-2.6.27.4/drivers/isdn/mISDN/layer2.c 2008-12-23 16:16:29.000000000 +0100
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@@ -94,8 +94,10 @@
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struct layer2 *l2 = fi->userdata;
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va_list va;
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+#if 0
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if (!(*debug & DEBUG_L2_FSM))
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return;
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+#endif
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va_start(va, fmt);
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printk(KERN_DEBUG "l2 (tei %d): ", l2->tei);
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vprintk(fmt, va);
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@@ -882,6 +884,8 @@
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l2->va = 0;
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l2->vr = 0;
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l2->sow = 0;
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+ l2->sapi = skb->data[0] >> 2;
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+ set_channel_address(&l2->ch, l2->sapi, l2->tei);
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clear_exception(l2);
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send_uframe(l2, NULL, UA | get_PollFlag(l2, skb), RSP);
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mISDN_FsmChangeState(fi, ST_L2_7);
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@@ -898,6 +902,7 @@
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struct layer2 *l2 = fi->userdata;
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struct sk_buff *skb = arg;
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+ printk(KERN_DEBUG "l2_send_UA()\n");
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send_uframe(l2, skb, UA | get_PollFlag(l2, skb), RSP);
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}
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@@ -931,6 +936,8 @@
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l2->va = 0;
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l2->vr = 0;
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l2->sow = 0;
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+ l2->sapi = skb->data[0] >> 2;
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+ set_channel_address(&l2->ch, l2->sapi, l2->tei);
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mISDN_FsmChangeState(fi, ST_L2_7);
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stop_t200(l2, 3);
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mISDN_FsmRestartTimer(&l2->t203, l2->T203, EV_L2_T203, NULL, 3);
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@@ -982,6 +989,8 @@
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} else if (l2->vs != l2->va) {
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skb_queue_purge(&l2->i_queue);
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pr = DL_ESTABLISH_IND;
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+ //l2->sapi = skb->data[0] >> 2;
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+ //set_channel_address(&l2->ch, l2->sapi, l2->tei);
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}
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stop_t200(l2, 5);
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l2->vr = 0;
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@@ -1841,11 +1850,14 @@
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u_int l;
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int c = 0;
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+ printk(KERN_DEBUG "ph_data_indication 0x%x 0x%x 0x%x\n", datap[0], datap[1], datap[2]);
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+
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l = l2addrsize(l2);
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if (skb->len <= l) {
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mISDN_FsmEvent(&l2->l2m, EV_L2_FRAME_ERROR, (void *) 'N');
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return ret;
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}
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+#if 0
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if (test_bit(FLG_LAPD, &l2->flag)) { /* Maybe not needed */
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psapi = *datap++;
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ptei = *datap++;
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@@ -1875,6 +1887,7 @@
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return 0;
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}
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} else
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+#endif
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datap += l;
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if (!(*datap & 1)) { /* I-Frame */
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c = iframe_error(l2, skb);
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@@ -1890,6 +1903,7 @@
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ret = mISDN_FsmEvent(&l2->l2m, EV_L2_UI, skb);
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} else if (IsSABME(datap, l2)) {
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c = unnum_error(l2, skb, CMD);
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+ printk(KERN_DEBUG "IsSABME() returned true, unnum_error=%d\n", c);
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if (!c)
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ret = mISDN_FsmEvent(&l2->l2m, EV_L2_SABME, skb);
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} else if (IsUA(datap)) {
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@@ -2087,7 +2101,7 @@
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test_and_set_bit(FLG_LAPD, &l2->flag);
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test_and_set_bit(FLG_LAPD_NET, &l2->flag);
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test_and_set_bit(FLG_MOD128, &l2->flag);
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- l2->sapi = 0;
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+ l2->sapi = 62;
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l2->maxlen = MAX_DFRAME_LEN;
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if (test_bit(OPTION_L2_PMX, &options))
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l2->window = 7;
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diff -Nru --exclude-from /sunbeam/home/laforge/scripts/dontdiff linux-2.6.27.4-clean/drivers/isdn/mISDN/tei.c linux-2.6.27.4/drivers/isdn/mISDN/tei.c
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--- linux-2.6.27.4-clean/drivers/isdn/mISDN/tei.c 2008-10-26 00:05:07.000000000 +0200
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+++ linux-2.6.27.4/drivers/isdn/mISDN/tei.c 2008-12-23 16:32:59.000000000 +0100
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@@ -830,18 +830,29 @@
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int tei, ri;
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struct layer2 *l2;
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+ printk(KERN_DEBUG "new tei request: tei=%d\n", dp[3] >> 1);
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+
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ri = dp[0] << 8;
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ri += dp[1];
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- if (!mgr->up)
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- goto denied;
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- tei = get_free_tei(mgr);
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- if (tei < 0) {
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- printk(KERN_WARNING "%s:No free tei\n", __func__);
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+ if (!mgr->up) {
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+ printk(KERN_DEBUG "mgr->up == NULL\n");
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goto denied;
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}
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+ if (dp[3] != 0xff) {
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+ /* This is a TEI request according to 3GPP TS 08.56 6.1.11.2 */
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+ tei = dp[3] >> 1;
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+ } else {
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+ tei = get_free_tei(mgr);
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+ if (tei < 0) {
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+ printk(KERN_WARNING "%s:No free tei\n", __func__);
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+ goto denied;
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+ }
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+ }
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l2 = create_new_tei(mgr, tei);
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- if (!l2)
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+ if (!l2) {
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+ printk(KERN_DEBUG "create_new_tei == NULL\n");
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goto denied;
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+ }
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else
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mISDN_FsmEvent(&l2->tm->tei_m, EV_ASSIGN_REQ, dp);
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return;
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@@ -1159,12 +1170,14 @@
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return -ENOTCONN;
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if (skb->len != 3)
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return -ENOTCONN;
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+#if 0
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if (skb->data[0] != 0)
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/* only SAPI 0 command */
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return -ENOTCONN;
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+#endif
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if (!(skb->data[1] & 1)) /* invalid EA1 */
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return -EINVAL;
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- tei = skb->data[1] >> 0;
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+ tei = skb->data[1] >> 1;
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if (tei > 63) /* not a fixed tei */
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return -ENOTCONN;
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if ((skb->data[2] & ~0x10) != SABME)
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