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path: root/net/lapb/lapb_in.c
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Diffstat (limited to 'net/lapb/lapb_in.c')
-rw-r--r--net/lapb/lapb_in.c340
1 files changed, 210 insertions, 130 deletions
diff --git a/net/lapb/lapb_in.c b/net/lapb/lapb_in.c
index b44e7e19ae3e..431c6918aaf0 100644
--- a/net/lapb/lapb_in.c
+++ b/net/lapb/lapb_in.c
@@ -40,26 +40,33 @@
* State machine for state 0, Disconnected State.
* The handling of the timer(s) is in file lapb_timer.c.
*/
-static void lapb_state0_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_frame *frame)
+static void lapb_state0_machine(struct lapb_cb *lapb, struct sk_buff *skb,
+ struct lapb_frame *frame)
{
switch (frame->type) {
case LAPB_SABM:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 RX SABM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 RX SABM(%d)\n",
+ lapb->token, frame->pf);
#endif
if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 TX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 TX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
} else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
+ lapb->token, frame->pf);
#endif
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S0 -> S3\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S0 -> S3\n",
+ lapb->token);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
lapb_stop_t1timer(lapb);
lapb_stop_t2timer(lapb);
lapb->state = LAPB_STATE_3;
@@ -74,16 +81,20 @@ static void lapb_state0_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
case LAPB_SABME:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 RX SABME(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 RX SABME(%d)\n",
+ lapb->token, frame->pf);
#endif
if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
+ lapb->token, frame->pf);
#endif
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S0 -> S3\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S0 -> S3\n",
+ lapb->token);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
lapb_stop_t1timer(lapb);
lapb_stop_t2timer(lapb);
lapb->state = LAPB_STATE_3;
@@ -95,18 +106,23 @@ static void lapb_state0_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
lapb_connect_indication(lapb, LAPB_OK);
} else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 TX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 TX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
}
break;
case LAPB_DISC:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 RX DISC(%d)\n", lapb->token, frame->pf);
- printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 RX DISC(%d)\n",
+ lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
break;
default:
@@ -120,58 +136,74 @@ static void lapb_state0_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
* State machine for state 1, Awaiting Connection State.
* The handling of the timer(s) is in file lapb_timer.c.
*/
-static void lapb_state1_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_frame *frame)
+static void lapb_state1_machine(struct lapb_cb *lapb, struct sk_buff *skb,
+ struct lapb_frame *frame)
{
switch (frame->type) {
case LAPB_SABM:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 RX SABM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 RX SABM(%d)\n",
+ lapb->token, frame->pf);
#endif
if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
} else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 TX UA(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 TX UA(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
}
break;
case LAPB_SABME:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 RX SABME(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 RX SABME(%d)\n",
+ lapb->token, frame->pf);
#endif
if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 TX UA(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 TX UA(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
} else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
}
break;
case LAPB_DISC:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 RX DISC(%d)\n", lapb->token, frame->pf);
- printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 RX DISC(%d)\n",
+ lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
break;
case LAPB_UA:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 RX UA(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 RX UA(%d)\n",
+ lapb->token, frame->pf);
#endif
if (frame->pf) {
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S1 -> S3\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S1 -> S3\n",
+ lapb->token);
#endif
lapb_stop_t1timer(lapb);
lapb_stop_t2timer(lapb);
@@ -187,11 +219,13 @@ static void lapb_state1_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
case LAPB_DM:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 RX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 RX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
if (frame->pf) {
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S1 -> S0\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S1 -> S0\n",
+ lapb->token);
#endif
lapb_clear_queues(lapb);
lapb->state = LAPB_STATE_0;
@@ -200,9 +234,6 @@ static void lapb_state1_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
lapb_disconnect_indication(lapb, LAPB_REFUSED);
}
break;
-
- default:
- break;
}
kfree_skb(skb);
@@ -212,33 +243,42 @@ static void lapb_state1_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
* State machine for state 2, Awaiting Release State.
* The handling of the timer(s) is in file lapb_timer.c
*/
-static void lapb_state2_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_frame *frame)
+static void lapb_state2_machine(struct lapb_cb *lapb, struct sk_buff *skb,
+ struct lapb_frame *frame)
{
switch (frame->type) {
case LAPB_SABM:
case LAPB_SABME:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S2 RX {SABM,SABME}(%d)\n", lapb->token, frame->pf);
- printk(KERN_DEBUG "lapb: (%p) S2 TX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 RX {SABM,SABME}(%d)\n",
+ lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 TX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
break;
case LAPB_DISC:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S2 RX DISC(%d)\n", lapb->token, frame->pf);
- printk(KERN_DEBUG "lapb: (%p) S2 TX UA(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 RX DISC(%d)\n",
+ lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 TX UA(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
break;
case LAPB_UA:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S2 RX UA(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 RX UA(%d)\n",
+ lapb->token, frame->pf);
#endif
if (frame->pf) {
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S2 -> S0\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S2 -> S0\n",
+ lapb->token);
#endif
lapb->state = LAPB_STATE_0;
lapb_start_t1timer(lapb);
@@ -249,16 +289,19 @@ static void lapb_state2_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
case LAPB_DM:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S2 RX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 RX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
if (frame->pf) {
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S2 -> S0\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S2 -> S0\n",
+ lapb->token);
#endif
lapb->state = LAPB_STATE_0;
lapb_start_t1timer(lapb);
lapb_stop_t2timer(lapb);
- lapb_disconnect_confirmation(lapb, LAPB_NOTCONNECTED);
+ lapb_disconnect_confirmation(lapb,
+ LAPB_NOTCONNECTED);
}
break;
@@ -267,13 +310,14 @@ static void lapb_state2_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
case LAPB_RNR:
case LAPB_RR:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S2 RX {I,REJ,RNR,RR}(%d)\n", lapb->token, frame->pf);
- printk(KERN_DEBUG "lapb: (%p) S2 RX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 RX {I,REJ,RNR,RR}"
+ "(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 RX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
- if (frame->pf) lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
- break;
-
- default:
+ if (frame->pf)
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
break;
}
@@ -284,28 +328,33 @@ static void lapb_state2_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
* State machine for state 3, Connected State.
* The handling of the timer(s) is in file lapb_timer.c
*/
-static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_frame *frame)
+static void lapb_state3_machine(struct lapb_cb *lapb, struct sk_buff *skb,
+ struct lapb_frame *frame)
{
int queued = 0;
- int modulus;
-
- modulus = (lapb->mode & LAPB_EXTENDED) ? LAPB_EMODULUS : LAPB_SMODULUS;
+ int modulus = (lapb->mode & LAPB_EXTENDED) ? LAPB_EMODULUS :
+ LAPB_SMODULUS;
switch (frame->type) {
case LAPB_SABM:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX SABM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX SABM(%d)\n",
+ lapb->token, frame->pf);
#endif
if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 TX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 TX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
} else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 TX UA(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 TX UA(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
lapb_stop_t1timer(lapb);
lapb_stop_t2timer(lapb);
lapb->condition = 0x00;
@@ -319,13 +368,16 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
case LAPB_SABME:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX SABME(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX SABME(%d)\n",
+ lapb->token, frame->pf);
#endif
if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 TX UA(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 TX UA(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
lapb_stop_t1timer(lapb);
lapb_stop_t2timer(lapb);
lapb->condition = 0x00;
@@ -336,21 +388,26 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
lapb_requeue_frames(lapb);
} else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 TX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 TX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
}
break;
case LAPB_DISC:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX DISC(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX DISC(%d)\n",
+ lapb->token, frame->pf);
#endif
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S0\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S0\n",
+ lapb->token);
#endif
lapb_clear_queues(lapb);
- lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
lapb_start_t1timer(lapb);
lapb_stop_t2timer(lapb);
lapb->state = LAPB_STATE_0;
@@ -359,10 +416,12 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
case LAPB_DM:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S0\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S0\n",
+ lapb->token);
#endif
lapb_clear_queues(lapb);
lapb->state = LAPB_STATE_0;
@@ -373,7 +432,8 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
case LAPB_RNR:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX RNR(%d) R%d\n", lapb->token, frame->pf, frame->nr);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX RNR(%d) R%d\n",
+ lapb->token, frame->pf, frame->nr);
#endif
lapb->condition |= LAPB_PEER_RX_BUSY_CONDITION;
lapb_check_need_response(lapb, frame->cr, frame->pf);
@@ -384,7 +444,8 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
lapb->frmr_type = LAPB_FRMR_Z;
lapb_transmit_frmr(lapb);
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n",
+ lapb->token);
#endif
lapb_start_t1timer(lapb);
lapb_stop_t2timer(lapb);
@@ -395,7 +456,8 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
case LAPB_RR:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX RR(%d) R%d\n", lapb->token, frame->pf, frame->nr);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX RR(%d) R%d\n",
+ lapb->token, frame->pf, frame->nr);
#endif
lapb->condition &= ~LAPB_PEER_RX_BUSY_CONDITION;
lapb_check_need_response(lapb, frame->cr, frame->pf);
@@ -406,7 +468,8 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
lapb->frmr_type = LAPB_FRMR_Z;
lapb_transmit_frmr(lapb);
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n",
+ lapb->token);
#endif
lapb_start_t1timer(lapb);
lapb_stop_t2timer(lapb);
@@ -417,7 +480,8 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
case LAPB_REJ:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX REJ(%d) R%d\n", lapb->token, frame->pf, frame->nr);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX REJ(%d) R%d\n",
+ lapb->token, frame->pf, frame->nr);
#endif
lapb->condition &= ~LAPB_PEER_RX_BUSY_CONDITION;
lapb_check_need_response(lapb, frame->cr, frame->pf);
@@ -431,7 +495,8 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
lapb->frmr_type = LAPB_FRMR_Z;
lapb_transmit_frmr(lapb);
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n",
+ lapb->token);
#endif
lapb_start_t1timer(lapb);
lapb_stop_t2timer(lapb);
@@ -442,14 +507,16 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
case LAPB_I:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX I(%d) S%d R%d\n", lapb->token, frame->pf, frame->ns, frame->nr);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX I(%d) S%d R%d\n",
+ lapb->token, frame->pf, frame->ns, frame->nr);
#endif
if (!lapb_validate_nr(lapb, frame->nr)) {
lapb->frmr_data = *frame;
lapb->frmr_type = LAPB_FRMR_Z;
lapb_transmit_frmr(lapb);
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n",
+ lapb->token);
#endif
lapb_start_t1timer(lapb);
lapb_stop_t2timer(lapb);
@@ -457,11 +524,11 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
lapb->n2count = 0;
break;
}
- if (lapb->condition & LAPB_PEER_RX_BUSY_CONDITION) {
+ if (lapb->condition & LAPB_PEER_RX_BUSY_CONDITION)
lapb_frames_acked(lapb, frame->nr);
- } else {
+ else
lapb_check_iframes_acked(lapb, frame->nr);
- }
+
if (frame->ns == lapb->vr) {
int cn;
cn = lapb_data_indication(lapb, skb);
@@ -473,16 +540,18 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
* to re-transmit the frame later like
* a frame lost on the wire.
*/
- if(cn == NET_RX_DROP){
- printk(KERN_DEBUG "LAPB: rx congestion\n");
+ if (cn == NET_RX_DROP) {
+ printk(KERN_DEBUG
+ "LAPB: rx congestion\n");
break;
}
lapb->vr = (lapb->vr + 1) % modulus;
lapb->condition &= ~LAPB_REJECT_CONDITION;
- if (frame->pf) {
+ if (frame->pf)
lapb_enquiry_response(lapb);
- } else {
- if (!(lapb->condition & LAPB_ACK_PENDING_CONDITION)) {
+ else {
+ if (!(lapb->condition &
+ LAPB_ACK_PENDING_CONDITION)) {
lapb->condition |= LAPB_ACK_PENDING_CONDITION;
lapb_start_t2timer(lapb);
}
@@ -493,10 +562,14 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
lapb_enquiry_response(lapb);
} else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 TX REJ(%d) R%d\n", lapb->token, frame->pf, lapb->vr);
+ printk(KERN_DEBUG
+ "lapb: (%p) S3 TX REJ(%d) R%d\n",
+ lapb->token, frame->pf, lapb->vr);
#endif
lapb->condition |= LAPB_REJECT_CONDITION;
- lapb_send_control(lapb, LAPB_REJ, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_REJ,
+ frame->pf,
+ LAPB_RESPONSE);
lapb->condition &= ~LAPB_ACK_PENDING_CONDITION;
}
}
@@ -504,11 +577,15 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
case LAPB_FRMR:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX FRMR(%d) %02X %02X %02X %02X %02X\n", lapb->token, frame->pf, skb->data[0], skb->data[1], skb->data[2], skb->data[3], skb->data[4]);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX FRMR(%d) %02X "
+ "%02X %02X %02X %02X\n", lapb->token, frame->pf,
+ skb->data[0], skb->data[1], skb->data[2],
+ skb->data[3], skb->data[4]);
#endif
lapb_establish_data_link(lapb);
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S1\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S1\n",
+ lapb->token);
#endif
lapb_requeue_frames(lapb);
lapb->state = LAPB_STATE_1;
@@ -516,7 +593,8 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
case LAPB_ILLEGAL:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX ILLEGAL(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX ILLEGAL(%d)\n",
+ lapb->token, frame->pf);
#endif
lapb->frmr_data = *frame;
lapb->frmr_type = LAPB_FRMR_W;
@@ -529,9 +607,6 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
lapb->state = LAPB_STATE_4;
lapb->n2count = 0;
break;
-
- default:
- break;
}
if (!queued)
@@ -542,26 +617,33 @@ static void lapb_state3_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
* State machine for state 4, Frame Reject State.
* The handling of the timer(s) is in file lapb_timer.c.
*/
-static void lapb_state4_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_frame *frame)
+static void lapb_state4_machine(struct lapb_cb *lapb, struct sk_buff *skb,
+ struct lapb_frame *frame)
{
switch (frame->type) {
case LAPB_SABM:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S4 RX SABM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S4 RX SABM(%d)\n",
+ lapb->token, frame->pf);
#endif
if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S4 TX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S4 TX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
} else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S4 TX UA(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S4 TX UA(%d)\n",
+ lapb->token, frame->pf);
#endif
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S4 -> S3\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S4 -> S3\n",
+ lapb->token);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
lapb_stop_t1timer(lapb);
lapb_stop_t2timer(lapb);
lapb->state = LAPB_STATE_3;
@@ -576,16 +658,20 @@ static void lapb_state4_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
case LAPB_SABME:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S4 RX SABME(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S4 RX SABME(%d)\n",
+ lapb->token, frame->pf);
#endif
if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S4 TX UA(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S4 TX UA(%d)\n",
+ lapb->token, frame->pf);
#endif
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S4 -> S3\n", lapb->token);
+ printk(KERN_DEBUG "lapb: (%p) S4 -> S3\n",
+ lapb->token);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
lapb_stop_t1timer(lapb);
lapb_stop_t2timer(lapb);
lapb->state = LAPB_STATE_3;
@@ -597,14 +683,13 @@ static void lapb_state4_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
lapb_connect_indication(lapb, LAPB_OK);
} else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S4 TX DM(%d)\n", lapb->token, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S4 TX DM(%d)\n",
+ lapb->token, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
}
break;
-
- default:
- break;
}
kfree_skb(skb);
@@ -613,28 +698,23 @@ static void lapb_state4_machine(lapb_cb *lapb, struct sk_buff *skb, struct lapb_
/*
* Process an incoming LAPB frame
*/
-void lapb_data_input(lapb_cb *lapb, struct sk_buff *skb)
+void lapb_data_input(struct lapb_cb *lapb, struct sk_buff *skb)
{
struct lapb_frame frame;
lapb_decode(lapb, skb, &frame);
switch (lapb->state) {
- case LAPB_STATE_0:
- lapb_state0_machine(lapb, skb, &frame);
- break;
- case LAPB_STATE_1:
- lapb_state1_machine(lapb, skb, &frame);
- break;
- case LAPB_STATE_2:
- lapb_state2_machine(lapb, skb, &frame);
- break;
- case LAPB_STATE_3:
- lapb_state3_machine(lapb, skb, &frame);
- break;
- case LAPB_STATE_4:
- lapb_state4_machine(lapb, skb, &frame);
- break;
+ case LAPB_STATE_0:
+ lapb_state0_machine(lapb, skb, &frame); break;
+ case LAPB_STATE_1:
+ lapb_state1_machine(lapb, skb, &frame); break;
+ case LAPB_STATE_2:
+ lapb_state2_machine(lapb, skb, &frame); break;
+ case LAPB_STATE_3:
+ lapb_state3_machine(lapb, skb, &frame); break;
+ case LAPB_STATE_4:
+ lapb_state4_machine(lapb, skb, &frame); break;
}
lapb_kick(lapb);
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-08 21:51:29 +0000