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authorRalf Baechle <ralf@linux-mips.org>1997-04-29 21:13:14 +0000
committer <ralf@linux-mips.org>1997-04-29 21:13:14 +0000
commit19c9bba94152148523ba0f7ef7cffe3d45656b11 (patch)
tree40b1cb534496a7f1ca0f5c314a523c69f1fee464 /net/rose
parent7206675c40394c78a90e74812bbdbf8cf3cca1be (diff)
Import of Linux/MIPS 2.1.36
Diffstat (limited to 'net/rose')
-rw-r--r--net/rose/Makefile6
-rw-r--r--net/rose/af_rose.c765
-rw-r--r--net/rose/rose_dev.c128
-rw-r--r--net/rose/rose_in.c73
-rw-r--r--net/rose/rose_link.c131
-rw-r--r--net/rose/rose_out.c78
-rw-r--r--net/rose/rose_route.c194
-rw-r--r--net/rose/rose_subr.c121
-rw-r--r--net/rose/rose_timer.c45
-rw-r--r--net/rose/sysctl_net_rose.c19
10 files changed, 734 insertions, 826 deletions
diff --git a/net/rose/Makefile b/net/rose/Makefile
index 0d71de9cf..7eb55881e 100644
--- a/net/rose/Makefile
+++ b/net/rose/Makefile
@@ -8,9 +8,13 @@
# Note 2! The CFLAGS definition is now in the main makefile...
O_TARGET := rose.o
-O_OBJS := af_rose.o sysctl_net_rose.o rose_dev.o rose_in.o rose_link.o rose_out.o rose_route.o rose_subr.o rose_timer.o
+O_OBJS := af_rose.o rose_dev.o rose_in.o rose_link.o rose_out.o rose_route.o rose_subr.o rose_timer.o
M_OBJS := $(O_TARGET)
+ifeq ($(CONFIG_SYSCTL),y)
+O_OBJS += sysctl_net_rose.o
+endif
+
include $(TOPDIR)/Rules.make
tar:
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 4b8acd3f8..f173dedaf 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -4,7 +4,7 @@
* This is ALPHA test software. This code may break your machine, randomly fail to work with new
* releases, misbehave and/or generally screw up. It might even work.
*
- * This code REQUIRES 2.1.0 or higher/ NET3.029
+ * This code REQUIRES 2.1.15 or higher/ NET3.038
*
* This module:
* This module is free software; you can redistribute it and/or
@@ -14,10 +14,14 @@
*
* History
* Rose 001 Jonathan(G4KLX) Cloned from af_netrom.c.
+ * Alan(GW4PTS) Hacked up for newer API stuff
+ * Terry (VK2KTJ) Added support for variable length
+ * address masks.
*/
-
+
#include <linux/config.h>
#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
+#include <linux/module.h>
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/socket.h>
@@ -54,12 +58,18 @@ int sysctl_rose_call_request_timeout = ROSE_DEFAULT_T1;
int sysctl_rose_reset_request_timeout = ROSE_DEFAULT_T2;
int sysctl_rose_clear_request_timeout = ROSE_DEFAULT_T3;
int sysctl_rose_no_activity_timeout = ROSE_DEFAULT_IDLE;
-int sysctl_rose_routing_control = 1;
+int sysctl_rose_ack_hold_back_timeout = ROSE_DEFAULT_HB;
+int sysctl_rose_routing_control = ROSE_DEFAULT_ROUTING;
+int sysctl_rose_link_fail_timeout = ROSE_DEFAULT_FAIL_TIMEOUT;
static unsigned int lci = 1;
static struct sock *volatile rose_list = NULL;
+static struct proto_ops rose_proto_ops;
+
+ax25_address rose_callsign;
+
/*
* Convert a Rose address into text.
*/
@@ -92,10 +102,67 @@ int rosecmp(rose_address *addr1, rose_address *addr2)
for (i = 0; i < 5; i++)
if (addr1->rose_addr[i] != addr2->rose_addr[i])
return 1;
-
+
+ return 0;
+}
+
+/*
+ * Compare two Rose addresses for only mask digits, 0 == equal.
+ */
+int rosecmpm(rose_address *addr1, rose_address *addr2, unsigned short mask)
+{
+ int i, j;
+
+ if (mask > 10)
+ return 1;
+
+ for (i = 0; i < mask; i++) {
+ j = i / 2;
+
+ if ((i % 2) != 0) {
+ if ((addr1->rose_addr[j] & 0x0F) != (addr2->rose_addr[j] & 0x0F))
+ return 1;
+ } else {
+ if ((addr1->rose_addr[j] & 0xF0) != (addr2->rose_addr[j] & 0xF0))
+ return 1;
+ }
+ }
+
return 0;
}
+static void rose_free_sock(struct sock *sk)
+{
+ kfree_s(sk->protinfo.rose, sizeof(*sk->protinfo.rose));
+
+ sk_free(sk);
+
+ MOD_DEC_USE_COUNT;
+}
+
+static struct sock *rose_alloc_sock(void)
+{
+ struct sock *sk;
+ rose_cb *rose;
+
+ if ((sk = sk_alloc(GFP_ATOMIC)) == NULL)
+ return NULL;
+
+ if ((rose = (rose_cb *)kmalloc(sizeof(*rose), GFP_ATOMIC)) == NULL) {
+ sk_free(sk);
+ return NULL;
+ }
+
+ MOD_INC_USE_COUNT;
+
+ memset(rose, 0x00, sizeof(*rose));
+
+ sk->protinfo.rose = rose;
+ rose->sk = sk;
+
+ return sk;
+}
+
/*
* Socket removal during an interrupt is now safe.
*/
@@ -103,7 +170,7 @@ static void rose_remove_socket(struct sock *sk)
{
struct sock *s;
unsigned long flags;
-
+
save_flags(flags);
cli();
@@ -155,11 +222,11 @@ static int rose_device_event(struct notifier_block *this, unsigned long event, v
if (event != NETDEV_DOWN)
return NOTIFY_DONE;
-
+
rose_kill_by_device(dev);
rose_rt_device_down(dev);
rose_link_device_down(dev);
-
+
return NOTIFY_DONE;
}
@@ -173,8 +240,8 @@ static void rose_insert_socket(struct sock *sk)
save_flags(flags);
cli();
- sk->next = rose_list;
- rose_list = sk;
+ sk->next = rose_list;
+ rose_list = sk;
restore_flags(flags);
}
@@ -271,15 +338,15 @@ void rose_destroy_socket(struct sock *sk) /* Not static as it's used by the time
{
struct sk_buff *skb;
unsigned long flags;
-
+
save_flags(flags);
cli();
-
+
del_timer(&sk->timer);
-
+
rose_remove_socket(sk);
rose_clear_queues(sk); /* Flush the queues */
-
+
while ((skb = skb_dequeue(&sk->receive_queue)) != NULL) {
if (skb->sk != sk) { /* A pending connection */
skb->sk->dead = 1; /* Queue the unaccepted socket for death */
@@ -289,16 +356,16 @@ void rose_destroy_socket(struct sock *sk) /* Not static as it's used by the time
kfree_skb(skb, FREE_READ);
}
-
- if (sk->wmem_alloc || sk->rmem_alloc) { /* Defer: outstanding buffers */
+
+ if (atomic_read(&sk->wmem_alloc) != 0 || atomic_read(&sk->rmem_alloc) != 0) {
+ /* Defer: outstanding buffers */
init_timer(&sk->timer);
sk->timer.expires = jiffies + 10 * HZ;
sk->timer.function = rose_destroy_timer;
sk->timer.data = (unsigned long)sk;
add_timer(&sk->timer);
} else {
- kfree_s(sk->protinfo.rose, sizeof(*sk->protinfo.rose));
- sk_free(sk);
+ rose_free_sock(sk);
}
restore_flags(flags);
@@ -308,11 +375,6 @@ void rose_destroy_socket(struct sock *sk) /* Not static as it's used by the time
* Handling for system calls applied via the various interfaces to a
* Rose socket object.
*/
-
-static int rose_fcntl(struct socket *sock, unsigned int cmd, unsigned long arg)
-{
- return -EINVAL;
-}
/*
* dl1bke 960311: set parameters for existing Rose connections,
@@ -352,21 +414,11 @@ static int rose_ctl_ioctl(const unsigned int cmd, void *arg)
rose_set_timer(sk);
break;
- case ROSE_T0:
- if (rose_ctl.arg < 1)
- return -EINVAL;
- if (sk->protinfo.rose->neighbour != NULL) {
- save_flags(flags); cli();
- sk->protinfo.rose->neighbour->t0 = rose_ctl.arg * PR_SLOWHZ;
- restore_flags(flags);
- }
- break;
-
case ROSE_T1:
if (rose_ctl.arg < 1)
return -EINVAL;
save_flags(flags); cli();
- sk->protinfo.rose->t1 = rose_ctl.arg * PR_SLOWHZ;
+ sk->protinfo.rose->t1 = rose_ctl.arg * ROSE_SLOWHZ;
restore_flags(flags);
break;
@@ -374,7 +426,7 @@ static int rose_ctl_ioctl(const unsigned int cmd, void *arg)
if (rose_ctl.arg < 1)
return -EINVAL;
save_flags(flags); cli();
- sk->protinfo.rose->t2 = rose_ctl.arg * PR_SLOWHZ;
+ sk->protinfo.rose->t2 = rose_ctl.arg * ROSE_SLOWHZ;
restore_flags(flags);
break;
@@ -382,7 +434,15 @@ static int rose_ctl_ioctl(const unsigned int cmd, void *arg)
if (rose_ctl.arg < 1)
return -EINVAL;
save_flags(flags); cli();
- sk->protinfo.rose->t3 = rose_ctl.arg * PR_SLOWHZ;
+ sk->protinfo.rose->t3 = rose_ctl.arg * ROSE_SLOWHZ;
+ restore_flags(flags);
+ break;
+
+ case ROSE_HOLDBACK:
+ if (rose_ctl.arg < 1)
+ return -EINVAL;
+ save_flags(flags); cli();
+ sk->protinfo.rose->hb = rose_ctl.arg * ROSE_SLOWHZ;
restore_flags(flags);
break;
@@ -390,7 +450,7 @@ static int rose_ctl_ioctl(const unsigned int cmd, void *arg)
if (rose_ctl.arg < 1)
return -EINVAL;
save_flags(flags); cli();
- sk->protinfo.rose->idle = rose_ctl.arg * 60 * PR_SLOWHZ;
+ sk->protinfo.rose->idle = rose_ctl.arg * 60 * ROSE_SLOWHZ;
restore_flags(flags);
break;
@@ -404,57 +464,49 @@ static int rose_ctl_ioctl(const unsigned int cmd, void *arg)
static int rose_setsockopt(struct socket *sock, int level, int optname,
char *optval, int optlen)
{
- struct sock *sk;
- int err, opt;
-
- sk = (struct sock *)sock->data;
-
- if (level == SOL_SOCKET)
- return sock_setsockopt(sk, level, optname, optval, optlen);
+ struct sock *sk = sock->sk;
+ int opt;
if (level != SOL_ROSE)
- return -EOPNOTSUPP;
+ return -ENOPROTOOPT;
- if (optval == NULL)
+ if (optlen < sizeof(int))
return -EINVAL;
- if ((err = verify_area(VERIFY_READ, optval, sizeof(int))) != 0)
- return err;
+ if (get_user(opt, (int *)optval))
+ return -EFAULT;
- get_user(opt, (int *)optval);
-
switch (optname) {
- case ROSE_T0:
+ case ROSE_T1:
if (opt < 1)
return -EINVAL;
- if (sk->protinfo.rose->neighbour != NULL)
- sk->protinfo.rose->neighbour->t0 = opt * PR_SLOWHZ;
+ sk->protinfo.rose->t1 = opt * ROSE_SLOWHZ;
return 0;
- case ROSE_T1:
+ case ROSE_T2:
if (opt < 1)
return -EINVAL;
- sk->protinfo.rose->t1 = opt * PR_SLOWHZ;
+ sk->protinfo.rose->t2 = opt * ROSE_SLOWHZ;
return 0;
- case ROSE_T2:
+ case ROSE_T3:
if (opt < 1)
return -EINVAL;
- sk->protinfo.rose->t2 = opt * PR_SLOWHZ;
+ sk->protinfo.rose->t3 = opt * ROSE_SLOWHZ;
return 0;
-
- case ROSE_T3:
+
+ case ROSE_HOLDBACK:
if (opt < 1)
return -EINVAL;
- sk->protinfo.rose->t3 = opt * PR_SLOWHZ;
+ sk->protinfo.rose->hb = opt * ROSE_SLOWHZ;
return 0;
-
+
case ROSE_IDLE:
if (opt < 1)
return -EINVAL;
- sk->protinfo.rose->idle = opt * 60 * PR_SLOWHZ;
+ sk->protinfo.rose->idle = opt * 60 * ROSE_SLOWHZ;
return 0;
-
+
case ROSE_HDRINCL:
sk->protinfo.rose->hdrincl = opt ? 1 : 0;
return 0;
@@ -467,42 +519,37 @@ static int rose_setsockopt(struct socket *sock, int level, int optname,
static int rose_getsockopt(struct socket *sock, int level, int optname,
char *optval, int *optlen)
{
- struct sock *sk;
+ struct sock *sk = sock->sk;
int val = 0;
- int err;
+ int len;
- sk = (struct sock *)sock->data;
-
- if (level == SOL_SOCKET)
- return sock_getsockopt(sk, level, optname, optval, optlen);
-
if (level != SOL_ROSE)
- return -EOPNOTSUPP;
+ return -ENOPROTOOPT;
+
+ if (get_user(len, optlen))
+ return -EFAULT;
switch (optname) {
- case ROSE_T0:
- if (sk->protinfo.rose->neighbour != NULL)
- val = sk->protinfo.rose->neighbour->t0 / PR_SLOWHZ;
- else
- val = sysctl_rose_restart_request_timeout / PR_SLOWHZ;
- break;
-
case ROSE_T1:
- val = sk->protinfo.rose->t1 / PR_SLOWHZ;
+ val = sk->protinfo.rose->t1 / ROSE_SLOWHZ;
break;
-
+
case ROSE_T2:
- val = sk->protinfo.rose->t2 / PR_SLOWHZ;
+ val = sk->protinfo.rose->t2 / ROSE_SLOWHZ;
break;
-
+
case ROSE_T3:
- val = sk->protinfo.rose->t3 / PR_SLOWHZ;
+ val = sk->protinfo.rose->t3 / ROSE_SLOWHZ;
break;
-
+
+ case ROSE_HOLDBACK:
+ val = sk->protinfo.rose->hb / ROSE_SLOWHZ;
+ break;
+
case ROSE_IDLE:
- val = sk->protinfo.rose->idle / (PR_SLOWHZ * 60);
+ val = sk->protinfo.rose->idle / (ROSE_SLOWHZ * 60);
break;
-
+
case ROSE_HDRINCL:
val = sk->protinfo.rose->hdrincl;
break;
@@ -511,22 +558,20 @@ static int rose_getsockopt(struct socket *sock, int level, int optname,
return -ENOPROTOOPT;
}
- if ((err = verify_area(VERIFY_WRITE, optlen, sizeof(int))) != 0)
- return err;
-
- put_user(sizeof(int), (unsigned long *)optlen);
+ len = min(len, sizeof(int));
- if ((err = verify_area(VERIFY_WRITE, optval, sizeof(int))) != 0)
- return err;
+ if (put_user(len, optlen))
+ return -EFAULT;
- put_user(val, (unsigned long *)optval);
+ if (copy_to_user(optval, &val, len))
+ return -EFAULT;
return 0;
}
static int rose_listen(struct socket *sock, int backlog)
{
- struct sock *sk = (struct sock *)sock->data;
+ struct sock *sk = sock->sk;
if (sk->state != TCP_LISTEN) {
sk->protinfo.rose->dest_ndigis = 0;
@@ -541,18 +586,6 @@ static int rose_listen(struct socket *sock, int backlog)
return -EOPNOTSUPP;
}
-static void def_callback1(struct sock *sk)
-{
- if (!sk->dead)
- wake_up_interruptible(sk->sleep);
-}
-
-static void def_callback2(struct sock *sk, int len)
-{
- if (!sk->dead)
- wake_up_interruptible(sk->sleep);
-}
-
static int rose_create(struct socket *sock, int protocol)
{
struct sock *sk;
@@ -561,77 +594,26 @@ static int rose_create(struct socket *sock, int protocol)
if (sock->type != SOCK_SEQPACKET || protocol != 0)
return -ESOCKTNOSUPPORT;
- if ((sk = sk_alloc(GFP_ATOMIC)) == NULL)
+ if ((sk = rose_alloc_sock()) == NULL)
return -ENOMEM;
- if ((rose = (rose_cb *)kmalloc(sizeof(*rose), GFP_ATOMIC)) == NULL) {
- sk_free(sk);
- return -ENOMEM;
- }
+ rose = sk->protinfo.rose;
- skb_queue_head_init(&sk->receive_queue);
- skb_queue_head_init(&sk->write_queue);
- skb_queue_head_init(&sk->back_log);
-
- init_timer(&sk->timer);
-
- sk->socket = sock;
- sk->type = sock->type;
- sk->protocol = protocol;
- sk->allocation = GFP_KERNEL;
- sk->rcvbuf = SK_RMEM_MAX;
- sk->sndbuf = SK_WMEM_MAX;
- sk->state = TCP_CLOSE;
- sk->priority = SOPRI_NORMAL;
- sk->mtu = ROSE_MTU; /* 128 */
- sk->zapped = 1;
- sk->window = ROSE_DEFAULT_WINDOW;
-
- sk->state_change = def_callback1;
- sk->data_ready = def_callback2;
- sk->write_space = def_callback1;
- sk->error_report = def_callback1;
-
- if (sock != NULL) {
- sock->data = (void *)sk;
- sk->sleep = sock->wait;
- }
+ sock_init_data(sock, sk);
+
+ sock->ops = &rose_proto_ops;
+ sk->protocol = protocol;
+ sk->mtu = ROSE_MTU; /* 128 */
- skb_queue_head_init(&rose->ack_queue);
skb_queue_head_init(&rose->frag_queue);
- rose->lci = 0;
-
- rose->t1 = sysctl_rose_call_request_timeout;
- rose->t2 = sysctl_rose_reset_request_timeout;
- rose->t3 = sysctl_rose_clear_request_timeout;
- rose->idle = sysctl_rose_no_activity_timeout;
-
- rose->timer = 0;
-
- rose->va = 0;
- rose->vr = 0;
- rose->vs = 0;
- rose->vl = 0;
+ rose->t1 = sysctl_rose_call_request_timeout;
+ rose->t2 = sysctl_rose_reset_request_timeout;
+ rose->t3 = sysctl_rose_clear_request_timeout;
+ rose->hb = sysctl_rose_ack_hold_back_timeout;
+ rose->idle = sysctl_rose_no_activity_timeout;
- rose->fraglen = 0;
- rose->hdrincl = 0;
- rose->state = ROSE_STATE_0;
- rose->neighbour = NULL;
- rose->device = NULL;
-
- rose->source_ndigis = 0;
- rose->dest_ndigis = 0;
-
- memset(&rose->source_addr, '\0', ROSE_ADDR_LEN);
- memset(&rose->dest_addr, '\0', ROSE_ADDR_LEN);
- memset(&rose->source_call, '\0', AX25_ADDR_LEN);
- memset(&rose->dest_call, '\0', AX25_ADDR_LEN);
- memset(&rose->source_digi, '\0', AX25_ADDR_LEN);
- memset(&rose->dest_digi, '\0', AX25_ADDR_LEN);
-
- rose->sk = sk;
- sk->protinfo.rose = rose;
+ rose->state = ROSE_STATE_0;
return 0;
}
@@ -644,73 +626,52 @@ static struct sock *rose_make_new(struct sock *osk)
if (osk->type != SOCK_SEQPACKET)
return NULL;
- if ((sk = (struct sock *)sk_alloc(GFP_ATOMIC)) == NULL)
+ if ((sk = rose_alloc_sock()) == NULL)
return NULL;
- if ((rose = (rose_cb *)kmalloc(sizeof(*rose), GFP_ATOMIC)) == NULL) {
- sk_free(sk);
- return NULL;
- }
+ rose = sk->protinfo.rose;
- skb_queue_head_init(&sk->receive_queue);
- skb_queue_head_init(&sk->write_queue);
- skb_queue_head_init(&sk->back_log);
-
- init_timer(&sk->timer);
-
- sk->type = osk->type;
- sk->socket = osk->socket;
- sk->priority = osk->priority;
- sk->protocol = osk->protocol;
- sk->rcvbuf = osk->rcvbuf;
- sk->sndbuf = osk->sndbuf;
- sk->debug = osk->debug;
- sk->state = TCP_ESTABLISHED;
- sk->window = osk->window;
- sk->mtu = osk->mtu;
- sk->sleep = osk->sleep;
- sk->zapped = osk->zapped;
-
- sk->state_change = def_callback1;
- sk->data_ready = def_callback2;
- sk->write_space = def_callback1;
- sk->error_report = def_callback1;
-
- skb_queue_head_init(&rose->ack_queue);
- skb_queue_head_init(&rose->frag_queue);
+ sock_init_data(NULL, sk);
- rose->t1 = osk->protinfo.rose->t1;
- rose->t2 = osk->protinfo.rose->t2;
- rose->t3 = osk->protinfo.rose->t3;
- rose->idle = osk->protinfo.rose->idle;
+ sk->type = osk->type;
+ sk->socket = osk->socket;
+ sk->priority = osk->priority;
+ sk->protocol = osk->protocol;
+ sk->rcvbuf = osk->rcvbuf;
+ sk->sndbuf = osk->sndbuf;
+ sk->debug = osk->debug;
+ sk->state = TCP_ESTABLISHED;
+ sk->mtu = osk->mtu;
+ sk->sleep = osk->sleep;
+ sk->zapped = osk->zapped;
- rose->device = osk->protinfo.rose->device;
- rose->hdrincl = osk->protinfo.rose->hdrincl;
- rose->fraglen = 0;
+ skb_queue_head_init(&rose->frag_queue);
- rose->timer = 0;
+ rose->t1 = osk->protinfo.rose->t1;
+ rose->t2 = osk->protinfo.rose->t2;
+ rose->t3 = osk->protinfo.rose->t3;
+ rose->hb = osk->protinfo.rose->hb;
+ rose->idle = osk->protinfo.rose->idle;
- rose->va = 0;
- rose->vr = 0;
- rose->vs = 0;
- rose->vl = 0;
-
- sk->protinfo.rose = rose;
- rose->sk = sk;
+ rose->device = osk->protinfo.rose->device;
+ rose->hdrincl = osk->protinfo.rose->hdrincl;
return sk;
}
static int rose_dup(struct socket *newsock, struct socket *oldsock)
{
- struct sock *sk = (struct sock *)oldsock->data;
+ struct sock *sk = oldsock->sk;
+
+ if (sk == NULL || newsock == NULL)
+ return -EINVAL;
return rose_create(newsock, sk->protocol);
}
static int rose_release(struct socket *sock, struct socket *peer)
{
- struct sock *sk = (struct sock *)sock->data;
+ struct sock *sk = sock->sk;
if (sk == NULL) return 0;
@@ -724,15 +685,6 @@ static int rose_release(struct socket *sock, struct socket *peer)
rose_destroy_socket(sk);
break;
- case ROSE_STATE_1:
- sk->protinfo.rose->state = ROSE_STATE_0;
- sk->state = TCP_CLOSE;
- sk->shutdown |= SEND_SHUTDOWN;
- sk->state_change(sk);
- sk->dead = 1;
- rose_destroy_socket(sk);
- break;
-
case ROSE_STATE_2:
sk->protinfo.rose->state = ROSE_STATE_0;
sk->state = TCP_CLOSE;
@@ -742,6 +694,7 @@ static int rose_release(struct socket *sock, struct socket *peer)
rose_destroy_socket(sk);
break;
+ case ROSE_STATE_1:
case ROSE_STATE_3:
case ROSE_STATE_4:
rose_clear_queues(sk);
@@ -759,7 +712,7 @@ static int rose_release(struct socket *sock, struct socket *peer)
break;
}
- sock->data = NULL;
+ sock->sk = NULL;
sk->socket = NULL; /* Not used, but we should do this. **/
return 0;
@@ -767,22 +720,22 @@ static int rose_release(struct socket *sock, struct socket *peer)
static int rose_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
{
- struct sock *sk;
+ struct sock *sk = sock->sk;
struct sockaddr_rose *addr = (struct sockaddr_rose *)uaddr;
struct device *dev;
ax25_address *user, *source;
-
- sk = (struct sock *)sock->data;
if (sk->zapped == 0)
return -EINVAL;
-
+
if (addr_len != sizeof(struct sockaddr_rose))
return -EINVAL;
+ if (addr->srose_family != AF_ROSE)
+ return -EINVAL;
+
if ((dev = rose_dev_get(&addr->srose_addr)) == NULL) {
- if (sk->debug)
- printk("Rose: bind failed: invalid address\n");
+ SOCK_DEBUG(sk, "Rose: bind failed: invalid address\n");
return -EADDRNOTAVAIL;
}
@@ -806,39 +759,39 @@ static int rose_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
rose_insert_socket(sk);
sk->zapped = 0;
-
- if (sk->debug)
- printk("Rose: socket is bound\n");
-
+ SOCK_DEBUG(sk, "Rose: socket is bound\n");
return 0;
}
static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags)
{
- struct sock *sk = (struct sock *)sock->data;
+ struct sock *sk = sock->sk;
struct sockaddr_rose *addr = (struct sockaddr_rose *)uaddr;
ax25_address *user;
struct device *dev;
-
+
if (sk->state == TCP_ESTABLISHED && sock->state == SS_CONNECTING) {
sock->state = SS_CONNECTED;
return 0; /* Connect completed during a ERESTARTSYS event */
}
-
+
if (sk->state == TCP_CLOSE && sock->state == SS_CONNECTING) {
sock->state = SS_UNCONNECTED;
return -ECONNREFUSED;
}
-
+
if (sk->state == TCP_ESTABLISHED)
return -EISCONN; /* No reconnect on a seqpacket socket */
-
- sk->state = TCP_CLOSE;
+
+ sk->state = TCP_CLOSE;
sock->state = SS_UNCONNECTED;
if (addr_len != sizeof(struct sockaddr_rose))
return -EINVAL;
+ if (addr->srose_family != AF_ROSE)
+ return -EINVAL;
+
if ((sk->protinfo.rose->neighbour = rose_get_neigh(&addr->srose_addr)) == NULL)
return -ENETUNREACH;
@@ -875,11 +828,11 @@ static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_le
rose_write_internal(sk, ROSE_CALL_REQUEST);
rose_set_timer(sk);
-
+
/* Now the loop */
if (sk->state != TCP_ESTABLISHED && (flags & O_NONBLOCK))
return -EINPROGRESS;
-
+
cli(); /* To avoid races on the sleep */
/*
@@ -898,14 +851,14 @@ static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_le
sock->state = SS_UNCONNECTED;
return sock_error(sk); /* Always set at this point */
}
-
+
sock->state = SS_CONNECTED;
sti();
-
+
return 0;
}
-
+
static int rose_socketpair(struct socket *sock1, struct socket *sock2)
{
return -EOPNOTSUPP;
@@ -917,19 +870,20 @@ static int rose_accept(struct socket *sock, struct socket *newsock, int flags)
struct sock *newsk;
struct sk_buff *skb;
- if (newsock->data)
- sk_free(newsock->data);
+ if (newsock->sk != NULL)
+ rose_destroy_socket(newsock->sk);
- newsock->data = NULL;
-
- sk = (struct sock *)sock->data;
+ newsock->sk = NULL;
+
+ if ((sk = sock->sk) == NULL)
+ return -EINVAL;
if (sk->type != SOCK_SEQPACKET)
return -EOPNOTSUPP;
-
+
if (sk->state != TCP_LISTEN)
return -EINVAL;
-
+
/*
* The write queue this time is holding sockets ready to use
* hooked into the SABM we saved
@@ -939,7 +893,7 @@ static int rose_accept(struct socket *sock, struct socket *newsock, int flags)
if ((skb = skb_dequeue(&sk->receive_queue)) == NULL) {
if (flags & O_NONBLOCK) {
sti();
- return 0;
+ return -EWOULDBLOCK;
}
interruptible_sleep_on(sk->sleep);
if (current->signal & ~current->blocked) {
@@ -957,7 +911,7 @@ static int rose_accept(struct socket *sock, struct socket *newsock, int flags)
skb->sk = NULL;
kfree_skb(skb, FREE_READ);
sk->ack_backlog--;
- newsock->data = newsk;
+ newsock->sk = newsk;
return 0;
}
@@ -966,10 +920,8 @@ static int rose_getname(struct socket *sock, struct sockaddr *uaddr,
int *uaddr_len, int peer)
{
struct sockaddr_rose *srose = (struct sockaddr_rose *)uaddr;
- struct sock *sk;
-
- sk = (struct sock *)sock->data;
-
+ struct sock *sk = sock->sk;
+
if (peer != 0) {
if (sk->state != TCP_ESTABLISHED)
return -ENOTCONN;
@@ -996,11 +948,11 @@ static int rose_getname(struct socket *sock, struct sockaddr *uaddr,
return 0;
}
-
+
int rose_rx_call_request(struct sk_buff *skb, struct device *dev, struct rose_neigh *neigh, unsigned int lci)
{
struct sock *sk;
- struct sock *make;
+ struct sock *make;
rose_cb rose;
skb->sk = NULL; /* Initially we don't know who it's for */
@@ -1015,7 +967,7 @@ int rose_rx_call_request(struct sk_buff *skb, struct device *dev, struct rose_ne
if (!rose_parse_facilities(skb, &rose)) {
return 0;
}
-
+
sk = rose_find_listener(&rose.source_call);
/*
@@ -1040,7 +992,7 @@ int rose_rx_call_request(struct sk_buff *skb, struct device *dev, struct rose_ne
make->protinfo.rose->source_digi = rose.source_digi;
make->protinfo.rose->neighbour = neigh;
make->protinfo.rose->device = dev;
-
+
rose_write_internal(make, ROSE_CALL_ACCEPTED);
make->protinfo.rose->condition = 0x00;
@@ -1064,20 +1016,18 @@ int rose_rx_call_request(struct sk_buff *skb, struct device *dev, struct rose_ne
return 1;
}
-static int rose_sendmsg(struct socket *sock, struct msghdr *msg, int len, int noblock, int flags)
+static int rose_sendmsg(struct socket *sock, struct msghdr *msg, int len,
+ struct scm_cookie *scm)
{
- struct sock *sk = (struct sock *)sock->data;
+ struct sock *sk = sock->sk;
struct sockaddr_rose *usrose = (struct sockaddr_rose *)msg->msg_name;
int err;
struct sockaddr_rose srose;
struct sk_buff *skb;
unsigned char *asmptr;
int size;
-
- if (sk->err)
- return sock_error(sk);
- if (flags)
+ if (msg->msg_flags & ~MSG_DONTWAIT)
return -EINVAL;
if (sk->zapped)
@@ -1090,8 +1040,8 @@ static int rose_sendmsg(struct socket *sock, struct msghdr *msg, int len, int no
if (sk->protinfo.rose->device == NULL)
return -ENETUNREACH;
-
- if (usrose) {
+
+ if (usrose != NULL) {
if (msg->msg_namelen < sizeof(srose))
return -EINVAL;
srose = *usrose;
@@ -1118,42 +1068,30 @@ static int rose_sendmsg(struct socket *sock, struct msghdr *msg, int len, int no
srose.srose_digi = sk->protinfo.rose->dest_digi;
}
}
-
- if (sk->debug)
- printk("Rose: sendto: Addresses built.\n");
+ SOCK_DEBUG(sk, "Rose: sendto: Addresses built.\n");
/* Build a packet */
- if (sk->debug)
- printk("Rose: sendto: building packet.\n");
-
+ SOCK_DEBUG(sk, "Rose: sendto: building packet.\n");
size = len + AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN;
- if ((skb = sock_alloc_send_skb(sk, size, 0, 0, &err)) == NULL)
+ if ((skb = sock_alloc_send_skb(sk, size, 0, msg->msg_flags & MSG_DONTWAIT, &err)) == NULL)
return err;
- skb->sk = sk;
- skb->free = 1;
- skb->arp = 1;
-
skb_reserve(skb, size - len);
-
+
/*
* Push down the Rose header
*/
asmptr = skb_push(skb, ROSE_MIN_LEN);
-
- if (sk->debug)
- printk("Building Rose Header.\n");
+ SOCK_DEBUG(sk, "Building Rose Header.\n");
/* Build a Rose Transport header */
- *asmptr++ = ((sk->protinfo.rose->lci >> 8) & 0x0F) | GFI;
+ *asmptr++ = ((sk->protinfo.rose->lci >> 8) & 0x0F) | ROSE_GFI;
*asmptr++ = (sk->protinfo.rose->lci >> 0) & 0xFF;
*asmptr++ = ROSE_DATA;
-
- if (sk->debug)
- printk("Built header.\n");
+ SOCK_DEBUG(sk, "Built header.\n");
/*
* Put the data on the end
@@ -1162,15 +1100,11 @@ static int rose_sendmsg(struct socket *sock, struct msghdr *msg, int len, int no
skb->h.raw = skb_put(skb, len);
asmptr = skb->h.raw;
-
- if (sk->debug)
- printk("Rose: Appending user data\n");
+ SOCK_DEBUG(sk, "Rose: Appending user data\n");
/* User data follows immediately after the Rose transport header */
memcpy_fromiovec(asmptr, msg->msg_iov, len);
-
- if (sk->debug)
- printk("Rose: Transmitting buffer\n");
+ SOCK_DEBUG(sk, "Rose: Transmitting buffer\n");
if (sk->state != TCP_ESTABLISHED) {
kfree_skb(skb, FREE_WRITE);
@@ -1183,18 +1117,15 @@ static int rose_sendmsg(struct socket *sock, struct msghdr *msg, int len, int no
}
-static int rose_recvmsg(struct socket *sock, struct msghdr *msg, int size, int noblock,
- int flags, int *addr_len)
+static int rose_recvmsg(struct socket *sock, struct msghdr *msg, int size,
+ int flags, struct scm_cookie *scm)
{
- struct sock *sk = (struct sock *)sock->data;
+ struct sock *sk = sock->sk;
struct sockaddr_rose *srose = (struct sockaddr_rose *)msg->msg_name;
int copied;
struct sk_buff *skb;
int er;
- if (addr_len != NULL)
- *addr_len = sizeof(*srose);
-
/*
* This works for seqpacket too. The receiver has ordered the queue for
* us! We do one quick check first though
@@ -1203,7 +1134,7 @@ static int rose_recvmsg(struct socket *sock, struct msghdr *msg, int size, int n
return -ENOTCONN;
/* Now we can treat all alike */
- if ((skb = skb_recv_datagram(sk, flags, noblock, &er)) == NULL)
+ if ((skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT, flags & MSG_DONTWAIT, &er)) == NULL)
return er;
if (!sk->protinfo.rose->hdrincl) {
@@ -1212,32 +1143,28 @@ static int rose_recvmsg(struct socket *sock, struct msghdr *msg, int size, int n
}
copied = skb->len;
-
+
if (copied > size) {
copied = size;
msg->msg_flags |= MSG_TRUNC;
}
-
+
skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
-
+
if (srose != NULL) {
- struct sockaddr_rose addr;
-
- addr.srose_family = AF_ROSE;
- addr.srose_addr = sk->protinfo.rose->dest_addr;
- addr.srose_call = sk->protinfo.rose->dest_call;
- addr.srose_ndigis = 0;
+ srose->srose_family = AF_ROSE;
+ srose->srose_addr = sk->protinfo.rose->dest_addr;
+ srose->srose_call = sk->protinfo.rose->dest_call;
+ srose->srose_ndigis = 0;
if (sk->protinfo.rose->dest_ndigis == 1) {
- addr.srose_ndigis = 1;
- addr.srose_digi = sk->protinfo.rose->dest_digi;
+ srose->srose_ndigis = 1;
+ srose->srose_digi = sk->protinfo.rose->dest_digi;
}
-
- *srose = addr;
-
- *addr_len = sizeof(*srose);
}
+ msg->msg_namelen = sizeof(struct sockaddr_rose);
+
skb_free_datagram(sk, skb);
return copied;
@@ -1248,16 +1175,9 @@ static int rose_shutdown(struct socket *sk, int how)
return -EOPNOTSUPP;
}
-static int rose_select(struct socket *sock , int sel_type, select_table *wait)
-{
- struct sock *sk = (struct sock *)sock->data;
-
- return datagram_select(sk, sel_type, wait);
-}
-
static int rose_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
- struct sock *sk = (struct sock *)sock->data;
+ struct sock *sk = sock->sk;
int err;
long amount = 0;
@@ -1265,7 +1185,7 @@ static int rose_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
case TIOCOUTQ:
if ((err = verify_area(VERIFY_WRITE, (void *)arg, sizeof(unsigned int))) != 0)
return err;
- amount = sk->sndbuf - sk->wmem_alloc;
+ amount = sk->sndbuf - atomic_read(&sk->wmem_alloc);
if (amount < 0)
amount = 0;
put_user(amount, (unsigned int *)arg);
@@ -1310,11 +1230,22 @@ static int rose_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
if (!suser()) return -EPERM;
return rose_rt_ioctl(cmd, (void *)arg);
- case SIOCRSCTLCON:
+ case SIOCRSCTLCON:
if (!suser()) return -EPERM;
return rose_ctl_ioctl(cmd, (void *)arg);
-
- default:
+
+ case SIOCRSL2CALL:
+ if (!suser()) return -EPERM;
+ if ((err = verify_area(VERIFY_READ, (void *)arg, sizeof(ax25_address))) != 0)
+ return err;
+ if (ax25cmp(&rose_callsign, &null_ax25_address) != 0)
+ ax25_listen_release(&rose_callsign, NULL);
+ copy_from_user(&rose_callsign, (void *)arg, sizeof(ax25_address));
+ if (ax25cmp(&rose_callsign, &null_ax25_address) != 0)
+ ax25_listen_register(&rose_callsign, NULL);
+ return 0;
+
+ default:
return dev_ioctl(cmd, (void *)arg);
}
@@ -1330,10 +1261,10 @@ static int rose_get_info(char *buffer, char **start, off_t offset, int length, i
int len = 0;
off_t pos = 0;
off_t begin = 0;
-
+
cli();
- len += sprintf(buffer, "dest_addr dest_call dest_digi src_addr src_call src_digi dev lci st vs vr va t t1 t2 t3 Snd-Q Rcv-Q\n");
+ len += sprintf(buffer, "dest_addr dest_call src_addr src_call dev lci st vs vr va t t1 t2 t3 hb Snd-Q Rcv-Q\n");
for (s = rose_list; s != NULL; s = s->next) {
if ((dev = s->protinfo.rose->device) == NULL)
@@ -1344,35 +1275,31 @@ static int rose_get_info(char *buffer, char **start, off_t offset, int length, i
len += sprintf(buffer + len, "%-10s %-9s ",
rose2asc(&s->protinfo.rose->dest_addr),
ax2asc(&s->protinfo.rose->dest_call));
- len += sprintf(buffer + len, "%-9s ",
- ax2asc(&s->protinfo.rose->dest_digi));
if (ax25cmp(&s->protinfo.rose->source_call, &null_ax25_address) == 0)
callsign = "??????-?";
else
callsign = ax2asc(&s->protinfo.rose->source_call);
- len += sprintf(buffer + len, "%-10s %-9s ",
- rose2asc(&s->protinfo.rose->source_addr),
- callsign);
- len += sprintf(buffer + len, "%-9s %-5s %3.3X %d %d %d %d %3d %3d %3d %3d %5d %5d\n",
- ax2asc(&s->protinfo.rose->source_digi),
+ len += sprintf(buffer + len, "%-10s %-9s %-5s %3.3X %d %d %d %d %3d %3d %3d %3d %3d %5d %5d\n",
+ rose2asc(&s->protinfo.rose->source_addr), callsign,
devname, s->protinfo.rose->lci & 0x0FFF,
s->protinfo.rose->state,
s->protinfo.rose->vs, s->protinfo.rose->vr, s->protinfo.rose->va,
- s->protinfo.rose->timer / PR_SLOWHZ,
- s->protinfo.rose->t1 / PR_SLOWHZ,
- s->protinfo.rose->t2 / PR_SLOWHZ,
- s->protinfo.rose->t3 / PR_SLOWHZ,
- s->wmem_alloc, s->rmem_alloc);
-
+ s->protinfo.rose->timer / ROSE_SLOWHZ,
+ s->protinfo.rose->t1 / ROSE_SLOWHZ,
+ s->protinfo.rose->t2 / ROSE_SLOWHZ,
+ s->protinfo.rose->t3 / ROSE_SLOWHZ,
+ s->protinfo.rose->hb / ROSE_SLOWHZ,
+ atomic_read(&s->wmem_alloc), atomic_read(&s->rmem_alloc));
+
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
-
+
if (pos > offset + length)
break;
}
@@ -1387,10 +1314,14 @@ static int rose_get_info(char *buffer, char **start, off_t offset, int length, i
return(len);
}
-struct proto_ops rose_proto_ops = {
+static struct net_proto_family rose_family_ops = {
AF_ROSE,
-
- rose_create,
+ rose_create
+};
+
+static struct proto_ops rose_proto_ops = {
+ AF_ROSE,
+
rose_dup,
rose_release,
rose_bind,
@@ -1398,62 +1329,132 @@ struct proto_ops rose_proto_ops = {
rose_socketpair,
rose_accept,
rose_getname,
- rose_select,
+ datagram_poll,
rose_ioctl,
rose_listen,
rose_shutdown,
rose_setsockopt,
rose_getsockopt,
- rose_fcntl,
+ sock_no_fcntl,
rose_sendmsg,
rose_recvmsg
};
-struct notifier_block rose_dev_notifier = {
+static struct notifier_block rose_dev_notifier = {
rose_device_event,
0
};
+#ifdef CONFIG_PROC_FS
+static struct proc_dir_entry proc_net_rose = {
+ PROC_NET_RS, 4, "rose",
+ S_IFREG | S_IRUGO, 1, 0, 0,
+ 0, &proc_net_inode_operations,
+ rose_get_info
+};
+static struct proc_dir_entry proc_net_rose_neigh = {
+ PROC_NET_RS_NEIGH, 10, "rose_neigh",
+ S_IFREG | S_IRUGO, 1, 0, 0,
+ 0, &proc_net_inode_operations,
+ rose_neigh_get_info
+};
+static struct proc_dir_entry proc_net_rose_nodes = {
+ PROC_NET_RS_NODES, 10, "rose_nodes",
+ S_IFREG | S_IRUGO, 1, 0, 0,
+ 0, &proc_net_inode_operations,
+ rose_nodes_get_info
+};
+static struct proc_dir_entry proc_net_rose_routes = {
+ PROC_NET_RS_ROUTES, 11, "rose_routes",
+ S_IFREG | S_IRUGO, 1, 0, 0,
+ 0, &proc_net_inode_operations,
+ rose_routes_get_info
+};
+#endif
+
+static struct device dev_rose[] = {
+ {"rose0", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init},
+ {"rose1", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init},
+ {"rose2", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init},
+ {"rose3", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init},
+ {"rose4", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init},
+ {"rose5", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init}
+};
+
void rose_proto_init(struct net_proto *pro)
{
- sock_register(rose_proto_ops.family, &rose_proto_ops);
+ int i;
+
+ rose_callsign = null_ax25_address;
+
+ sock_register(&rose_family_ops);
register_netdevice_notifier(&rose_dev_notifier);
- printk(KERN_INFO "G4KLX Rose for Linux. Version 0.1 for AX25.034 Linux 2.1\n");
+ printk(KERN_INFO "G4KLX Rose for Linux. Version 0.1 for AX25.035 Linux 2.1\n");
if (!ax25_protocol_register(AX25_P_ROSE, rose_route_frame))
printk(KERN_ERR "Rose unable to register protocol with AX.25\n");
if (!ax25_linkfail_register(rose_link_failed))
printk(KERN_ERR "Rose unable to register linkfail handler with AX.25\n");
+ for (i = 0; i < 6; i++)
+ register_netdev(&dev_rose[i]);
+
+#ifdef CONFIG_SYSCTL
rose_register_sysctl();
+#endif
#ifdef CONFIG_PROC_FS
- proc_net_register(&(struct proc_dir_entry) {
- PROC_NET_RS, 4, "rose",
- S_IFREG | S_IRUGO, 1, 0, 0,
- 0, &proc_net_inode_operations,
- rose_get_info
- });
- proc_net_register(&(struct proc_dir_entry) {
- PROC_NET_RS_NEIGH, 10, "rose_neigh",
- S_IFREG | S_IRUGO, 1, 0, 0,
- 0, &proc_net_inode_operations,
- rose_neigh_get_info
- });
- proc_net_register(&(struct proc_dir_entry) {
- PROC_NET_RS_NODES, 10, "rose_nodes",
- S_IFREG | S_IRUGO, 1, 0, 0,
- 0, &proc_net_inode_operations,
- rose_nodes_get_info
- });
-
- proc_net_register(&(struct proc_dir_entry) {
- PROC_NET_RS_ROUTES, 11, "rose_routes",
- S_IFREG | S_IRUGO, 1, 0, 0,
- 0, &proc_net_inode_operations,
- rose_routes_get_info
- });
-#endif
+ proc_net_register(&proc_net_rose);
+ proc_net_register(&proc_net_rose_neigh);
+ proc_net_register(&proc_net_rose_nodes);
+ proc_net_register(&proc_net_rose_routes);
+#endif
+}
+
+#ifdef MODULE
+EXPORT_NO_SYMBOLS;
+
+int init_module(void)
+{
+ rose_proto_init(NULL);
+
+ return 0;
}
+void cleanup_module(void)
+{
+ int i;
+
+#ifdef CONFIG_PROC_FS
+ proc_net_unregister(PROC_NET_RS);
+ proc_net_unregister(PROC_NET_RS_NEIGH);
+ proc_net_unregister(PROC_NET_RS_NODES);
+ proc_net_unregister(PROC_NET_RS_ROUTES);
+#endif
+ rose_rt_free();
+
+ ax25_protocol_release(AX25_P_ROSE);
+ ax25_linkfail_release(rose_link_failed);
+
+ if (ax25cmp(&rose_callsign, &null_ax25_address) != 0)
+ ax25_listen_release(&rose_callsign, NULL);
+
+#ifdef CONFIG_SYSCTL
+ rose_unregister_sysctl();
+#endif
+ unregister_netdevice_notifier(&rose_dev_notifier);
+
+ sock_unregister(AF_ROSE);
+
+ for (i = 0; i < 6; i++) {
+ if (dev_rose[i].priv != NULL) {
+ kfree(dev_rose[i].priv);
+ dev_rose[i].priv = NULL;
+ unregister_netdev(&dev_rose[i]);
+ }
+ }
+}
+
+#endif
+
#endif
diff --git a/net/rose/rose_dev.c b/net/rose/rose_dev.c
index 7fe6a00e6..ebab50e0d 100644
--- a/net/rose/rose_dev.c
+++ b/net/rose/rose_dev.c
@@ -1,10 +1,10 @@
/*
* Rose release 001
*
- * This is ALPHA test software. This code may break your machine, randomly fail to work with new
- * releases, misbehave and/or generally screw up. It might even work.
+ * This is ALPHA test software. This code may break your machine, randomly fail to work with new
+ * releases, misbehave and/or generally screw up. It might even work.
*
- * This code REQUIRES 2.1.0 or higher/ NET3.029
+ * This code REQUIRES 2.1.15 or higher/ NET3.038
*
* This module:
* This module is free software; you can redistribute it and/or
@@ -14,10 +14,12 @@
*
* History
* Rose 001 Jonathan(G4KLX) Cloned from nr_dev.c.
+ * Hans(PE1AYX) Fixed interface to IP layer.
*/
#include <linux/config.h>
#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
+#define __NO_VERSION__
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/kernel.h>
@@ -55,7 +57,7 @@
int rose_rx_ip(struct sk_buff *skb, struct device *dev)
{
- struct enet_statistics *stats = (struct enet_statistics *)dev->priv;
+ struct net_device_stats *stats = (struct net_device_stats *)dev->priv;
if (!dev->start) {
stats->rx_errors++;
@@ -63,12 +65,16 @@ int rose_rx_ip(struct sk_buff *skb, struct device *dev)
}
stats->rx_packets++;
+ stats->rx_bytes += skb->len;
+
skb->protocol = htons(ETH_P_IP);
/* Spoof incoming device */
- skb->dev = dev;
+ skb->dev = dev;
+ skb->h.raw = skb->data;
+ skb->nh.raw = skb->data;
+ skb->pkt_type = PACKET_HOST;
- skb->h.raw = skb->data;
ip_rcv(skb, skb->dev, NULL);
return 1;
@@ -79,7 +85,7 @@ static int rose_header(struct sk_buff *skb, struct device *dev, unsigned short t
{
unsigned char *buff = skb_push(skb, ROSE_MIN_LEN + 2);
- *buff++ = GFI | Q_BIT;
+ *buff++ = ROSE_GFI | ROSE_Q_BIT;
*buff++ = 0x00;
*buff++ = ROSE_DATA;
*buff++ = 0x7F;
@@ -87,40 +93,39 @@ static int rose_header(struct sk_buff *skb, struct device *dev, unsigned short t
if (daddr != NULL)
return 37;
-
- return -37;
+
+ return -37;
}
-static int rose_rebuild_header(void *buff, struct device *dev,
- unsigned long raddr, struct sk_buff *skb)
+static int rose_rebuild_header(struct sk_buff *skb)
{
- struct enet_statistics *stats = (struct enet_statistics *)dev->priv;
- unsigned char *bp = (unsigned char *)buff;
+ struct device *dev = skb->dev;
+ struct net_device_stats *stats = (struct net_device_stats *)dev->priv;
+ unsigned char *bp = (unsigned char *)skb->data;
struct sk_buff *skbn;
- if (!arp_query(bp + 7, raddr, dev)) {
- dev_kfree_skb(skb, FREE_WRITE);
+ if (!arp_find(bp + 7, skb)) {
+ kfree_skb(skb, FREE_WRITE);
return 1;
}
if ((skbn = skb_clone(skb, GFP_ATOMIC)) == NULL) {
- dev_kfree_skb(skb, FREE_WRITE);
+ kfree_skb(skb, FREE_WRITE);
return 1;
}
- skbn->sk = skb->sk;
-
- if (skbn->sk != NULL)
- atomic_add(skbn->truesize, &skbn->sk->wmem_alloc);
+ if (skb->sk != NULL)
+ skb_set_owner_w(skbn, skb->sk);
- dev_kfree_skb(skb, FREE_WRITE);
+ kfree_skb(skb, FREE_WRITE);
if (!rose_route_frame(skbn, NULL)) {
- dev_kfree_skb(skbn, FREE_WRITE);
+ kfree_skb(skbn, FREE_WRITE);
stats->tx_errors++;
}
stats->tx_packets++;
+ stats->tx_bytes += skbn->len;
return 1;
}
@@ -132,7 +137,7 @@ static int rose_set_mac_address(struct device *dev, void *addr)
ax25_listen_release((ax25_address *)dev->dev_addr, NULL);
memcpy(dev->dev_addr, sa->sa_data, dev->addr_len);
-
+
ax25_listen_register((ax25_address *)dev->dev_addr, NULL);
return 0;
@@ -155,16 +160,16 @@ static int rose_close(struct device *dev)
dev->tbusy = 1;
dev->start = 0;
- ax25_listen_release((ax25_address *)dev->dev_addr, NULL);
-
MOD_DEC_USE_COUNT;
+ ax25_listen_release((ax25_address *)dev->dev_addr, NULL);
+
return 0;
}
static int rose_xmit(struct sk_buff *skb, struct device *dev)
{
- struct enet_statistics *stats = (struct enet_statistics *)dev->priv;
+ struct net_device_stats *stats = (struct net_device_stats *)dev->priv;
if (skb == NULL || dev == NULL)
return 0;
@@ -186,7 +191,7 @@ static int rose_xmit(struct sk_buff *skb, struct device *dev)
sti();
- dev_kfree_skb(skb, FREE_WRITE);
+ kfree_skb(skb, FREE_WRITE);
stats->tx_errors++;
@@ -197,16 +202,14 @@ static int rose_xmit(struct sk_buff *skb, struct device *dev)
return 0;
}
-static struct enet_statistics *rose_get_stats(struct device *dev)
+static struct net_device_stats *rose_get_stats(struct device *dev)
{
- return (struct enet_statistics *)dev->priv;
+ return (struct net_device_stats *)dev->priv;
}
int rose_init(struct device *dev)
{
- int i;
-
- dev->mtu = ROSE_PACLEN - 2;
+ dev->mtu = ROSE_MAX_PACKET_SIZE - 2;
dev->tbusy = 0;
dev->hard_start_xmit = rose_xmit;
dev->open = rose_open;
@@ -228,71 +231,16 @@ int rose_init(struct device *dev)
dev->pa_mask = 0;
dev->pa_alen = sizeof(unsigned long);
- if ((dev->priv = kmalloc(sizeof(struct enet_statistics), GFP_KERNEL)) == NULL)
+ if ((dev->priv = kmalloc(sizeof(struct net_device_stats), GFP_KERNEL)) == NULL)
return -ENOMEM;
- memset(dev->priv, 0, sizeof(struct enet_statistics));
+ memset(dev->priv, 0, sizeof(struct net_device_stats));
dev->get_stats = rose_get_stats;
- /* Fill in the generic fields of the device structure. */
- for (i = 0; i < DEV_NUMBUFFS; i++)
- skb_queue_head_init(&dev->buffs[i]);
+ dev_init_buffers(dev);
return 0;
};
-#ifdef MODULE
-extern struct proto_ops rose_proto_ops;
-extern struct notifier_block rose_dev_notifier;
-
-static struct device dev_rose[] = {
- {"rose0", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init},
- {"rose1", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init}
-};
-
-int init_module(void)
-{
- register_netdev(&dev_rose[0]);
- register_netdev(&dev_rose[1]);
-
- register_symtab(NULL);
-
- rose_proto_init(NULL);
-
- return 0;
-}
-
-void cleanup_module(void)
-{
- int i;
-
-#ifdef CONFIG_PROC_FS
- proc_net_unregister(PROC_NET_RS);
- proc_net_unregister(PROC_NET_RS_NEIGH);
- proc_net_unregister(PROC_NET_RS_NODES);
- proc_net_unregister(PROC_NET_RS_ROUTES);
-#endif
- rose_rt_free();
-
- ax25_protocol_release(AX25_P_ROSE);
- ax25_linkfail_release(rose_link_failed);
-
- rose_unregister_sysctl();
-
- unregister_netdevice_notifier(&rose_dev_notifier);
-
- sock_unregister(rose_proto_ops.family);
-
- for (i = 0; i < 2; i++) {
- if (dev_rose[i].priv != NULL) {
- kfree(dev_rose[i].priv);
- dev_rose[i].priv = NULL;
- unregister_netdev(&dev_rose[i]);
- }
- }
-}
-
-#endif
-
#endif
diff --git a/net/rose/rose_in.c b/net/rose/rose_in.c
index 20374dbb1..66521efa8 100644
--- a/net/rose/rose_in.c
+++ b/net/rose/rose_in.c
@@ -1,10 +1,10 @@
/*
* Rose release 001
*
- * This is ALPHA test software. This code may break your machine, randomly fail to work with new
- * releases, misbehave and/or generally screw up. It might even work.
+ * This is ALPHA test software. This code may break your machine, randomly fail to work with new
+ * releases, misbehave and/or generally screw up. It might even work.
*
- * This code REQUIRES 2.1.0 or higher/ NET3.029
+ * This code REQUIRES 2.1.15 or higher/ NET3.038
*
* This module:
* This module is free software; you can redistribute it and/or
@@ -56,7 +56,7 @@ static int rose_queue_rx_frame(struct sock *sk, struct sk_buff *skb, int more)
skb_queue_tail(&sk->protinfo.rose->frag_queue, skb);
return 0;
}
-
+
if (!more && sk->protinfo.rose->fraglen > 0) { /* End of fragment */
sk->protinfo.rose->fraglen += skb->len;
skb_queue_tail(&sk->protinfo.rose->frag_queue, skb);
@@ -64,10 +64,6 @@ static int rose_queue_rx_frame(struct sock *sk, struct sk_buff *skb, int more)
if ((skbn = alloc_skb(sk->protinfo.rose->fraglen, GFP_ATOMIC)) == NULL)
return 1;
- skbn->free = 1;
- skbn->arp = 1;
- skbn->sk = sk;
- sk->rmem_alloc += skbn->truesize;
skbn->h.raw = skbn->data;
skbo = skb_dequeue(&sk->protinfo.rose->frag_queue);
@@ -96,19 +92,21 @@ static int rose_state1_machine(struct sock *sk, struct sk_buff *skb, int framety
switch (frametype) {
case ROSE_CALL_ACCEPTED:
- sk->protinfo.rose->timer = 0;
- sk->protinfo.rose->vs = 0;
- sk->protinfo.rose->va = 0;
- sk->protinfo.rose->vr = 0;
- sk->protinfo.rose->vl = 0;
- sk->protinfo.rose->state = ROSE_STATE_3;
- sk->state = TCP_ESTABLISHED;
+ sk->protinfo.rose->condition = 0x00;
+ sk->protinfo.rose->timer = 0;
+ sk->protinfo.rose->vs = 0;
+ sk->protinfo.rose->va = 0;
+ sk->protinfo.rose->vr = 0;
+ sk->protinfo.rose->vl = 0;
+ sk->protinfo.rose->state = ROSE_STATE_3;
+ sk->state = TCP_ESTABLISHED;
if (!sk->dead)
sk->state_change(sk);
break;
case ROSE_CLEAR_REQUEST:
rose_clear_queues(sk);
+ rose_write_internal(sk, ROSE_CLEAR_CONFIRMATION);
sk->protinfo.rose->state = ROSE_STATE_0;
sk->state = TCP_CLOSE;
sk->err = ECONNREFUSED;
@@ -136,7 +134,9 @@ static int rose_state2_machine(struct sock *sk, struct sk_buff *skb, int framety
switch (frametype) {
case ROSE_CLEAR_REQUEST:
+ rose_write_internal(sk, ROSE_CLEAR_CONFIRMATION);
case ROSE_CLEAR_CONFIRMATION:
+ rose_clear_queues(sk);
sk->protinfo.rose->state = ROSE_STATE_0;
sk->state = TCP_CLOSE;
sk->err = 0;
@@ -166,9 +166,9 @@ static int rose_state3_machine(struct sock *sk, struct sk_buff *skb, int framety
switch (frametype) {
case ROSE_RESET_REQUEST:
- rose_clear_queues(sk);
rose_write_internal(sk, ROSE_RESET_CONFIRMATION);
sk->protinfo.rose->condition = 0x00;
+ sk->protinfo.rose->timer = 0;
sk->protinfo.rose->vs = 0;
sk->protinfo.rose->vr = 0;
sk->protinfo.rose->va = 0;
@@ -189,11 +189,10 @@ static int rose_state3_machine(struct sock *sk, struct sk_buff *skb, int framety
case ROSE_RR:
case ROSE_RNR:
- if (frametype == ROSE_RNR) {
- sk->protinfo.rose->condition |= PEER_RX_BUSY_CONDITION;
- } else {
- sk->protinfo.rose->condition &= ~PEER_RX_BUSY_CONDITION;
- }
+ if (frametype == ROSE_RNR)
+ sk->protinfo.rose->condition |= ROSE_COND_PEER_RX_BUSY;
+ else
+ sk->protinfo.rose->condition &= ~ROSE_COND_PEER_RX_BUSY;
if (!rose_validate_nr(sk, nr)) {
rose_clear_queues(sk);
rose_write_internal(sk, ROSE_RESET_REQUEST);
@@ -205,16 +204,16 @@ static int rose_state3_machine(struct sock *sk, struct sk_buff *skb, int framety
sk->protinfo.rose->state = ROSE_STATE_4;
sk->protinfo.rose->timer = sk->protinfo.rose->t2;
} else {
- if (sk->protinfo.rose->condition & PEER_RX_BUSY_CONDITION) {
- rose_frames_acked(sk, nr);
+ if (sk->protinfo.rose->condition & ROSE_COND_PEER_RX_BUSY) {
+ sk->protinfo.rose->va = nr;
} else {
rose_check_iframes_acked(sk, nr);
}
}
break;
-
+
case ROSE_DATA: /* XXX */
- sk->protinfo.rose->condition &= ~PEER_RX_BUSY_CONDITION;
+ sk->protinfo.rose->condition &= ~ROSE_COND_PEER_RX_BUSY;
if (!rose_validate_nr(sk, nr)) {
rose_clear_queues(sk);
rose_write_internal(sk, ROSE_RESET_REQUEST);
@@ -227,26 +226,33 @@ static int rose_state3_machine(struct sock *sk, struct sk_buff *skb, int framety
sk->protinfo.rose->timer = sk->protinfo.rose->t2;
break;
}
- if (sk->protinfo.rose->condition & PEER_RX_BUSY_CONDITION) {
- rose_frames_acked(sk, nr);
+ if (sk->protinfo.rose->condition & ROSE_COND_PEER_RX_BUSY) {
+ sk->protinfo.rose->va = nr;
} else {
rose_check_iframes_acked(sk, nr);
}
- if (sk->protinfo.rose->condition & OWN_RX_BUSY_CONDITION)
+ if (sk->protinfo.rose->condition & ROSE_COND_OWN_RX_BUSY)
break;
if (ns == sk->protinfo.rose->vr) {
if (rose_queue_rx_frame(sk, skb, m) == 0) {
sk->protinfo.rose->vr = (sk->protinfo.rose->vr + 1) % ROSE_MODULUS;
queued = 1;
} else {
- sk->protinfo.rose->condition |= OWN_RX_BUSY_CONDITION;
+ sk->protinfo.rose->condition |= ROSE_COND_OWN_RX_BUSY;
}
}
/*
- * If the window is full, ack the frame.
+ * If the window is full, ack the frame, else start the
+ * acknowledge hold back timer.
*/
- if (((sk->protinfo.rose->vl + sk->window) % ROSE_MODULUS) == sk->protinfo.rose->vr)
+ if (((sk->protinfo.rose->vl + ROSE_MAX_WINDOW_SIZE) % ROSE_MODULUS) == sk->protinfo.rose->vr) {
+ sk->protinfo.rose->condition &= ~ROSE_COND_ACK_PENDING;
+ sk->protinfo.rose->timer = 0;
rose_enquiry_response(sk);
+ } else {
+ sk->protinfo.rose->condition |= ROSE_COND_ACK_PENDING;
+ sk->protinfo.rose->timer = sk->protinfo.rose->hb;
+ }
break;
default:
@@ -266,8 +272,9 @@ static int rose_state4_machine(struct sock *sk, struct sk_buff *skb, int framety
{
switch (frametype) {
- case ROSE_RESET_CONFIRMATION:
case ROSE_RESET_REQUEST:
+ rose_write_internal(sk, ROSE_RESET_CONFIRMATION);
+ case ROSE_RESET_CONFIRMATION:
sk->protinfo.rose->timer = 0;
sk->protinfo.rose->condition = 0x00;
sk->protinfo.rose->va = 0;
@@ -302,7 +309,7 @@ static int rose_state4_machine(struct sock *sk, struct sk_buff *skb, int framety
int rose_process_rx_frame(struct sock *sk, struct sk_buff *skb)
{
int queued = 0, frametype, ns, nr, q, d, m;
-
+
if (sk->protinfo.rose->state == ROSE_STATE_0)
return 0;
diff --git a/net/rose/rose_link.c b/net/rose/rose_link.c
index d0bf308f0..9f1a0c0f5 100644
--- a/net/rose/rose_link.c
+++ b/net/rose/rose_link.c
@@ -4,7 +4,7 @@
* This is ALPHA test software. This code may break your machine, randomly fail to work with new
* releases, misbehave and/or generally screw up. It might even work.
*
- * This code REQUIRES 2.1.0 or higher/ NET3.029
+ * This code REQUIRES 2.1.15 or higher/ NET3.038
*
* This module:
* This module is free software; you can redistribute it and/or
@@ -44,37 +44,20 @@
static void rose_link_timer(unsigned long);
/*
- * Linux set/reset timer routines
+ * Linux set timer
*/
-static void rose_link_set_timer(struct rose_neigh *neigh)
+void rose_link_set_timer(struct rose_neigh *neigh)
{
unsigned long flags;
-
- save_flags(flags);
- cli();
- del_timer(&neigh->timer);
- restore_flags(flags);
-
- neigh->timer.next = neigh->timer.prev = NULL;
- neigh->timer.data = (unsigned long)neigh;
- neigh->timer.function = &rose_link_timer;
- neigh->timer.expires = jiffies + 10;
- add_timer(&neigh->timer);
-}
-
-static void rose_link_reset_timer(struct rose_neigh *neigh)
-{
- unsigned long flags;
-
- save_flags(flags);
- cli();
+ save_flags(flags); cli();
del_timer(&neigh->timer);
restore_flags(flags);
neigh->timer.data = (unsigned long)neigh;
neigh->timer.function = &rose_link_timer;
- neigh->timer.expires = jiffies + 10;
+ neigh->timer.expires = jiffies + (HZ / 10);
+
add_timer(&neigh->timer);
}
@@ -88,19 +71,56 @@ static void rose_link_timer(unsigned long param)
{
struct rose_neigh *neigh = (struct rose_neigh *)param;
- if (neigh->t0timer == 0 || --neigh->t0timer > 0) {
- rose_link_reset_timer(neigh);
- return;
+ if (neigh->ftimer > 0)
+ neigh->ftimer--;
+
+ if (neigh->t0timer > 0) {
+ neigh->t0timer--;
+
+ if (neigh->t0timer == 0) {
+ rose_transmit_restart_request(neigh);
+ neigh->t0timer = sysctl_rose_restart_request_timeout;
+ }
}
- /*
- * T0 for a link has expired.
- */
- rose_transmit_restart_request(neigh);
+ if (neigh->ftimer > 0 || neigh->t0timer > 0)
+ rose_link_set_timer(neigh);
+ else
+ del_timer(&neigh->timer);
+}
- neigh->t0timer = neigh->t0;
+/*
+ * Interface to ax25_send_frame. Changes my level 2 callsign depending
+ * on whether we have a global ROSE callsign or use the default port
+ * callsign.
+ */
+static int rose_send_frame(struct sk_buff *skb, struct rose_neigh *neigh)
+{
+ ax25_address *rose_call;
+
+ if (ax25cmp(&rose_callsign, &null_ax25_address) == 0)
+ rose_call = (ax25_address *)neigh->dev->dev_addr;
+ else
+ rose_call = &rose_callsign;
+
+ return ax25_send_frame(skb, 256, rose_call, &neigh->callsign, neigh->digipeat, neigh->dev);
+}
+
+/*
+ * Interface to ax25_link_up. Changes my level 2 callsign depending
+ * on whether we have a global ROSE callsign or use the default port
+ * callsign.
+ */
+static int rose_link_up(struct rose_neigh *neigh)
+{
+ ax25_address *rose_call;
- rose_link_set_timer(neigh);
+ if (ax25cmp(&rose_callsign, &null_ax25_address) == 0)
+ rose_call = (ax25_address *)neigh->dev->dev_addr;
+ else
+ rose_call = &rose_callsign;
+
+ return ax25_link_up(rose_call, &neigh->callsign, neigh->digipeat, neigh->dev);
}
/*
@@ -127,7 +147,7 @@ void rose_link_rx_restart(struct sk_buff *skb, struct rose_neigh *neigh, unsigne
case ROSE_DIAGNOSTIC:
printk(KERN_WARNING "rose: diagnostic #%d\n", skb->data[3]);
break;
-
+
default:
printk(KERN_WARNING "rose: received unknown %02X with LCI 000\n", frametype);
break;
@@ -135,7 +155,7 @@ void rose_link_rx_restart(struct sk_buff *skb, struct rose_neigh *neigh, unsigne
if (neigh->restarted) {
while ((skbn = skb_dequeue(&neigh->queue)) != NULL)
- if (!ax25_send_frame(skbn, (ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->digipeat, neigh->dev))
+ if (!rose_send_frame(skbn, neigh))
kfree_skb(skbn, FREE_WRITE);
}
}
@@ -159,16 +179,13 @@ void rose_transmit_restart_request(struct rose_neigh *neigh)
dptr = skb_put(skb, ROSE_MIN_LEN + 3);
*dptr++ = AX25_P_ROSE;
- *dptr++ = GFI;
+ *dptr++ = ROSE_GFI;
*dptr++ = 0x00;
*dptr++ = ROSE_RESTART_REQUEST;
*dptr++ = 0x00;
*dptr++ = 0;
- skb->free = 1;
- skb->sk = NULL;
-
- if (!ax25_send_frame(skb, (ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->digipeat, neigh->dev))
+ if (!rose_send_frame(skb, neigh))
kfree_skb(skb, FREE_WRITE);
}
@@ -191,14 +208,11 @@ void rose_transmit_restart_confirmation(struct rose_neigh *neigh)
dptr = skb_put(skb, ROSE_MIN_LEN + 1);
*dptr++ = AX25_P_ROSE;
- *dptr++ = GFI;
+ *dptr++ = ROSE_GFI;
*dptr++ = 0x00;
*dptr++ = ROSE_RESTART_CONFIRMATION;
- skb->free = 1;
- skb->sk = NULL;
-
- if (!ax25_send_frame(skb, (ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->digipeat, neigh->dev))
+ if (!rose_send_frame(skb, neigh))
kfree_skb(skb, FREE_WRITE);
}
@@ -221,15 +235,12 @@ void rose_transmit_diagnostic(struct rose_neigh *neigh, unsigned char diag)
dptr = skb_put(skb, ROSE_MIN_LEN + 2);
*dptr++ = AX25_P_ROSE;
- *dptr++ = GFI;
+ *dptr++ = ROSE_GFI;
*dptr++ = 0x00;
*dptr++ = ROSE_DIAGNOSTIC;
*dptr++ = diag;
- skb->free = 1;
- skb->sk = NULL;
-
- if (!ax25_send_frame(skb, (ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->digipeat, neigh->dev))
+ if (!rose_send_frame(skb, neigh))
kfree_skb(skb, FREE_WRITE);
}
@@ -253,16 +264,13 @@ void rose_transmit_clear_request(struct rose_neigh *neigh, unsigned int lci, uns
dptr = skb_put(skb, ROSE_MIN_LEN + 3);
*dptr++ = AX25_P_ROSE;
- *dptr++ = ((lci >> 8) & 0x0F) | GFI;
+ *dptr++ = ((lci >> 8) & 0x0F) | ROSE_GFI;
*dptr++ = ((lci >> 0) & 0xFF);
*dptr++ = ROSE_CLEAR_REQUEST;
*dptr++ = cause;
*dptr++ = 0x00;
- skb->free = 1;
- skb->sk = NULL;
-
- if (!ax25_send_frame(skb, (ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->digipeat, neigh->dev))
+ if (!rose_send_frame(skb, neigh))
kfree_skb(skb, FREE_WRITE);
}
@@ -270,29 +278,24 @@ void rose_transmit_link(struct sk_buff *skb, struct rose_neigh *neigh)
{
unsigned char *dptr;
-#ifdef CONFIG_FIREWALL
- if (call_fw_firewall(PF_ROSE, skb->dev, skb->data, NULL) != FW_ACCEPT)
+ if (call_fw_firewall(PF_ROSE, skb->dev, skb->data, NULL,&skb) != FW_ACCEPT)
return;
-#endif
- if (!ax25_link_up((ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->dev))
+ if (!rose_link_up(neigh))
neigh->restarted = 0;
dptr = skb_push(skb, 1);
*dptr++ = AX25_P_ROSE;
- skb->arp = 1;
- skb->free = 1;
-
if (neigh->restarted) {
- if (!ax25_send_frame(skb, (ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->digipeat, neigh->dev))
+ if (!rose_send_frame(skb, neigh))
kfree_skb(skb, FREE_WRITE);
} else {
skb_queue_tail(&neigh->queue, skb);
-
+
if (neigh->t0timer == 0) {
rose_transmit_restart_request(neigh);
- neigh->t0timer = neigh->t0;
+ neigh->t0timer = sysctl_rose_restart_request_timeout;
rose_link_set_timer(neigh);
}
}
diff --git a/net/rose/rose_out.c b/net/rose/rose_out.c
index 50b2587f8..8ab4d9325 100644
--- a/net/rose/rose_out.c
+++ b/net/rose/rose_out.c
@@ -4,7 +4,7 @@
* This is ALPHA test software. This code may break your machine, randomly fail to work with new
* releases, misbehave and/or generally screw up. It might even work.
*
- * This code REQUIRES 2.1.0 or higher/ NET3.029
+ * This code REQUIRES 2.1.15 or higher/ NET3.038
*
* This module:
* This module is free software; you can redistribute it and/or
@@ -49,7 +49,7 @@ void rose_output(struct sock *sk, struct sk_buff *skb)
unsigned char header[ROSE_MIN_LEN];
int err, frontlen, len;
- if (skb->len - ROSE_MIN_LEN > ROSE_PACLEN) {
+ if (skb->len - ROSE_MIN_LEN > ROSE_MAX_PACKET_SIZE) {
/* Save a copy of the Header */
memcpy(header, skb->data, ROSE_MIN_LEN);
skb_pull(skb, ROSE_MIN_LEN);
@@ -57,16 +57,12 @@ void rose_output(struct sock *sk, struct sk_buff *skb)
frontlen = skb_headroom(skb);
while (skb->len > 0) {
- if ((skbn = sock_alloc_send_skb(sk, frontlen + ROSE_PACLEN, 0, 0, &err)) == NULL)
+ if ((skbn = sock_alloc_send_skb(sk, frontlen + ROSE_MAX_PACKET_SIZE, 0, 0, &err)) == NULL)
return;
- skbn->sk = sk;
- skbn->free = 1;
- skbn->arp = 1;
-
skb_reserve(skbn, frontlen);
- len = (ROSE_PACLEN > skb->len) ? skb->len : ROSE_PACLEN;
+ len = (ROSE_MAX_PACKET_SIZE > skb->len) ? skb->len : ROSE_MAX_PACKET_SIZE;
/* Copy the user data */
memcpy(skb_put(skbn, len), skb->data, len);
@@ -77,12 +73,11 @@ void rose_output(struct sock *sk, struct sk_buff *skb)
memcpy(skbn->data, header, ROSE_MIN_LEN);
if (skb->len > 0)
- skbn->data[2] |= M_BIT;
-
+ skbn->data[2] |= ROSE_M_BIT;
+
skb_queue_tail(&sk->write_queue, skbn); /* Throw it on the queue */
}
-
- skb->free = 1;
+
kfree_skb(skb, FREE_WRITE);
} else {
skb_queue_tail(&sk->write_queue, skb); /* Throw it on the queue */
@@ -109,55 +104,36 @@ static void rose_send_iframe(struct sock *sk, struct sk_buff *skb)
void rose_kick(struct sock *sk)
{
- struct sk_buff *skb, *skbn;
- int last = 1;
- unsigned short start, end, next;
+ struct sk_buff *skb;
+ unsigned short end;
del_timer(&sk->timer);
- start = (skb_peek(&sk->protinfo.rose->ack_queue) == NULL) ? sk->protinfo.rose->va : sk->protinfo.rose->vs;
- end = (sk->protinfo.rose->va + sk->window) % ROSE_MODULUS;
+ end = (sk->protinfo.rose->va + ROSE_MAX_WINDOW_SIZE) % ROSE_MODULUS;
- if (!(sk->protinfo.rose->condition & PEER_RX_BUSY_CONDITION) &&
- start != end &&
+ if (!(sk->protinfo.rose->condition & ROSE_COND_PEER_RX_BUSY) &&
+ sk->protinfo.rose->vs != end &&
skb_peek(&sk->write_queue) != NULL) {
-
- sk->protinfo.rose->vs = start;
-
/*
* Transmit data until either we're out of data to send or
* the window is full.
*/
- /*
- * Dequeue the frame and copy it.
- */
skb = skb_dequeue(&sk->write_queue);
do {
- if ((skbn = skb_clone(skb, GFP_ATOMIC)) == NULL) {
- skb_queue_head(&sk->write_queue, skb);
- break;
- }
-
- next = (sk->protinfo.rose->vs + 1) % ROSE_MODULUS;
- last = (next == end);
-
/*
- * Transmit the frame copy.
+ * Transmit the frame.
*/
- rose_send_iframe(sk, skbn);
-
- sk->protinfo.rose->vs = next;
+ rose_send_iframe(sk, skb);
- /*
- * Requeue the original data frame.
- */
- skb_queue_tail(&sk->protinfo.rose->ack_queue, skb);
+ sk->protinfo.rose->vs = (sk->protinfo.rose->vs + 1) % ROSE_MODULUS;
- } while (!last && (skb = skb_dequeue(&sk->write_queue)) != NULL);
+ } while (sk->protinfo.rose->vs != end && (skb = skb_dequeue(&sk->write_queue)) != NULL);
- sk->protinfo.rose->vl = sk->protinfo.rose->vr;
+ sk->protinfo.rose->vl = sk->protinfo.rose->vr;
+ sk->protinfo.rose->condition &= ~ROSE_COND_ACK_PENDING;
+ sk->protinfo.rose->timer = 0;
}
rose_set_timer(sk);
@@ -170,23 +146,23 @@ void rose_kick(struct sock *sk)
void rose_enquiry_response(struct sock *sk)
{
- if (sk->protinfo.rose->condition & OWN_RX_BUSY_CONDITION) {
+ if (sk->protinfo.rose->condition & ROSE_COND_OWN_RX_BUSY)
rose_write_internal(sk, ROSE_RNR);
- } else {
+ else
rose_write_internal(sk, ROSE_RR);
- }
- sk->protinfo.rose->vl = sk->protinfo.rose->vr;
+ sk->protinfo.rose->vl = sk->protinfo.rose->vr;
+ sk->protinfo.rose->condition &= ~ROSE_COND_ACK_PENDING;
+ sk->protinfo.rose->timer = 0;
}
void rose_check_iframes_acked(struct sock *sk, unsigned short nr)
{
if (sk->protinfo.rose->vs == nr) {
- rose_frames_acked(sk, nr);
+ sk->protinfo.rose->va = nr;
} else {
- if (sk->protinfo.rose->va != nr) {
- rose_frames_acked(sk, nr);
- }
+ if (sk->protinfo.rose->va != nr)
+ sk->protinfo.rose->va = nr;
}
}
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index 9396831b3..19a53d40d 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -4,7 +4,7 @@
* This is ALPHA test software. This code may break your machine, randomly fail to work with new
* releases, misbehave and/or generally screw up. It might even work.
*
- * This code REQUIRES 2.1.0 or higher/ NET3.029
+ * This code REQUIRES 2.1.15 or higher/ NET3.038
*
* This module:
* This module is free software; you can redistribute it and/or
@@ -14,8 +14,10 @@
*
* History
* Rose 001 Jonathan(G4KLX) Cloned from nr_route.c.
+ * Terry(VK2KTJ) Added support for variable length
+ * address masks.
*/
-
+
#include <linux/config.h>
#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
#include <linux/errno.h>
@@ -60,13 +62,13 @@ static void rose_remove_neigh(struct rose_neigh *);
*/
static int rose_add_node(struct rose_route_struct *rose_route, struct device *dev)
{
- struct rose_node *rose_node;
+ struct rose_node *rose_node, *rose_tmpn, *rose_tmpp;
struct rose_neigh *rose_neigh;
unsigned long flags;
int i;
for (rose_node = rose_node_list; rose_node != NULL; rose_node = rose_node->next)
- if (rosecmp(&rose_route->address, &rose_node->address) == 0)
+ if ((rose_node->mask == rose_route->mask) && (rosecmpm(&rose_route->address, &rose_node->address, rose_route->mask) == 0))
break;
for (rose_neigh = rose_neigh_list; rose_neigh != NULL; rose_neigh = rose_neigh->next)
@@ -84,8 +86,8 @@ static int rose_add_node(struct rose_route_struct *rose_route, struct device *de
rose_neigh->number = rose_neigh_no++;
rose_neigh->restarted = 0;
skb_queue_head_init(&rose_neigh->queue);
- rose_neigh->t0 = sysctl_rose_restart_request_timeout;
rose_neigh->t0timer = 0;
+ rose_neigh->ftimer = 0;
init_timer(&rose_neigh->timer);
if (rose_route->ndigis != 0) {
@@ -97,40 +99,72 @@ static int rose_add_node(struct rose_route_struct *rose_route, struct device *de
for (i = 0; i < rose_route->ndigis; i++)
rose_neigh->digipeat->calls[i] = rose_route->digipeaters[i];
}
-
+
save_flags(flags); cli();
rose_neigh->next = rose_neigh_list;
rose_neigh_list = rose_neigh;
restore_flags(flags);
}
+ /*
+ * This is a new node to be inserted into the list. Find where it needs
+ * to be inserted into the list, and insert it. We want to be sure
+ * to order the list in descending order of mask size to ensure that
+ * later when we are searching this list the first match will be the
+ * best match.
+ */
if (rose_node == NULL) {
+ rose_tmpn = rose_node_list;
+ rose_tmpp = NULL;
+
+ while (rose_tmpn != NULL) {
+ if (rose_tmpn->mask > rose_route->mask) {
+ rose_tmpp = rose_tmpn;
+ rose_tmpn = rose_tmpn->next;
+ } else {
+ break;
+ }
+ }
+
+ /* create new node */
if ((rose_node = (struct rose_node *)kmalloc(sizeof(*rose_node), GFP_ATOMIC)) == NULL)
return -ENOMEM;
rose_node->address = rose_route->address;
- rose_node->which = 0;
+ rose_node->mask = rose_route->mask;
rose_node->count = 1;
-
rose_node->neighbour[0] = rose_neigh;
-
+
save_flags(flags); cli();
- rose_node->next = rose_node_list;
- rose_node_list = rose_node;
+
+ if (rose_tmpn == NULL) {
+ if (rose_tmpp == NULL) { /* Empty list */
+ rose_node_list = rose_node;
+ rose_node->next = NULL;
+ } else {
+ rose_tmpp->next = rose_node;
+ rose_node->next = NULL;
+ }
+ } else {
+ if (rose_tmpp == NULL) { /* 1st node */
+ rose_node->next = rose_node_list;
+ rose_node_list = rose_node;
+ } else {
+ rose_tmpp->next = rose_node;
+ rose_node->next = rose_tmpn;
+ }
+ }
+
restore_flags(flags);
-
+
rose_neigh->count++;
return 0;
}
- /* We have space at the bottom, slot it in */
+ /* We have space, slot it in */
if (rose_node->count < 3) {
- rose_node->neighbour[2] = rose_node->neighbour[1];
- rose_node->neighbour[1] = rose_node->neighbour[0];
-
- rose_node->neighbour[0] = rose_neigh;
-
+ rose_node->neighbour[rose_node->count] = rose_neigh;
rose_node->count++;
rose_neigh->count++;
}
@@ -174,10 +208,10 @@ static void rose_remove_neigh(struct rose_neigh *rose_neigh)
struct sk_buff *skb;
del_timer(&rose_neigh->timer);
-
+
while ((skb = skb_dequeue(&rose_neigh->queue)) != NULL)
kfree_skb(skb, FREE_WRITE);
-
+
save_flags(flags);
cli();
@@ -244,9 +278,9 @@ static int rose_del_node(struct rose_route_struct *rose_route, struct device *de
struct rose_node *rose_node;
struct rose_neigh *rose_neigh;
int i;
-
+
for (rose_node = rose_node_list; rose_node != NULL; rose_node = rose_node->next)
- if (rosecmp(&rose_route->address, &rose_node->address) == 0)
+ if ((rose_node->mask == rose_route->mask) && (rosecmpm(&rose_route->address, &rose_node->address, rose_route->mask) == 0))
break;
if (rose_node == NULL) return -EINVAL;
@@ -256,16 +290,16 @@ static int rose_del_node(struct rose_route_struct *rose_route, struct device *de
break;
if (rose_neigh == NULL) return -EINVAL;
-
+
for (i = 0; i < rose_node->count; i++) {
if (rose_node->neighbour[i] == rose_neigh) {
rose_neigh->count--;
if (rose_neigh->count == 0)
rose_remove_neigh(rose_neigh);
-
+
rose_node->count--;
-
+
if (rose_node->count == 0) {
rose_remove_node(rose_node);
} else {
@@ -298,14 +332,14 @@ void rose_rt_device_down(struct device *dev)
while (rose_neigh != NULL) {
s = rose_neigh;
rose_neigh = rose_neigh->next;
-
+
if (s->dev == dev) {
rose_node = rose_node_list;
while (rose_node != NULL) {
t = rose_node;
rose_node = rose_node->next;
-
+
for (i = 0; i < t->count; i++) {
if (t->neighbour[i] == s) {
t->count--;
@@ -320,11 +354,11 @@ void rose_rt_device_down(struct device *dev)
}
}
}
-
+
if (t->count <= 0)
rose_remove_node(t);
}
-
+
rose_remove_neigh(s);
}
}
@@ -340,7 +374,7 @@ void rose_route_device_down(struct device *dev)
while (rose_route != NULL) {
s = rose_route;
rose_route = rose_route->next;
-
+
if (s->neigh1->dev == dev || s->neigh2->dev == dev)
rose_remove_route(s);
}
@@ -397,16 +431,19 @@ struct device *rose_dev_get(rose_address *addr)
struct rose_neigh *rose_get_neigh(rose_address *addr)
{
struct rose_node *node;
-
+ int i;
+
for (node = rose_node_list; node != NULL; node = node->next)
- if (rosecmp(&node->address, addr) == 0)
+ if (rosecmpm(addr, &node->address, node->mask) == 0)
break;
-
+
if (node == NULL) return NULL;
-
- if (node->which >= node->count) return NULL;
-
- return node->neighbour[node->which];
+
+ for (i = 0; i < node->count; i++)
+ if (node->neighbour[i]->ftimer == 0)
+ return node->neighbour[i];
+
+ return NULL;
}
/*
@@ -428,6 +465,9 @@ int rose_rt_ioctl(unsigned int cmd, void *arg)
return -EINVAL;
if (rose_dev_get(&rose_route.address) != NULL) /* Can't add routes to ourself */
return -EINVAL;
+ if (rose_route.mask > 10) /* Mask can't be more than 10 digits */
+ return -EINVAL;
+
return rose_add_node(&rose_route, dev);
case SIOCDELRT:
@@ -452,25 +492,22 @@ int rose_rt_ioctl(unsigned int cmd, void *arg)
void rose_link_failed(ax25_address *callsign, struct device *dev)
{
struct rose_neigh *rose_neigh;
- struct rose_node *rose_node;
struct sk_buff *skb;
for (rose_neigh = rose_neigh_list; rose_neigh != NULL; rose_neigh = rose_neigh->next)
if (ax25cmp(&rose_neigh->callsign, callsign) == 0 && rose_neigh->dev == dev)
break;
-
+
if (rose_neigh == NULL) return;
rose_neigh->restarted = 0;
rose_neigh->t0timer = 0;
- del_timer(&rose_neigh->timer);
+ rose_neigh->ftimer = sysctl_rose_link_fail_timeout;
+
+ rose_link_set_timer(rose_neigh);
while ((skb = skb_dequeue(&rose_neigh->queue)) != NULL)
kfree_skb(skb, FREE_WRITE);
-
- for (rose_node = rose_node_list; rose_node != NULL; rose_node = rose_node->next)
- if (rose_node->which < rose_node->count && rose_node->neighbour[rose_node->which] == rose_neigh)
- rose_node->which++;
}
/*
@@ -479,57 +516,56 @@ void rose_link_failed(ax25_address *callsign, struct device *dev)
void rose_link_device_down(struct device *dev)
{
struct rose_neigh *rose_neigh;
- struct rose_node *rose_node;
struct sk_buff *skb;
for (rose_neigh = rose_neigh_list; rose_neigh != NULL; rose_neigh = rose_neigh->next) {
if (rose_neigh->dev == dev) {
rose_neigh->restarted = 0;
rose_neigh->t0timer = 0;
+ rose_neigh->ftimer = 0;
del_timer(&rose_neigh->timer);
while ((skb = skb_dequeue(&rose_neigh->queue)) != NULL)
kfree_skb(skb, FREE_WRITE);
-
- for (rose_node = rose_node_list; rose_node != NULL; rose_node = rose_node->next)
- if (rose_node->which < rose_node->count && rose_node->neighbour[rose_node->which] == rose_neigh)
- rose_node->which++;
}
}
}
/*
- * Route a frame to an appropriate AX.25 connection. A NULL ax25_cb
- * indicates an internally generated frame.
+ * Route a frame to an appropriate AX.25 connection.
*/
int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25)
{
struct rose_neigh *rose_neigh, *new_neigh;
- struct rose_node *rose_node;
struct rose_route *rose_route;
- rose_address *dest_addr;
+ rose_address *src_addr, *dest_addr;
struct sock *sk;
unsigned short frametype;
unsigned int lci;
struct device *dev;
unsigned long flags;
-#ifdef CONFIG_FIREWALL
- if (call_in_firewall(PF_ROSE, skb->dev, skb->data, NULL) != FW_ACCEPT)
+ if (call_in_firewall(PF_ROSE, skb->dev, skb->data, NULL, &skb) != FW_ACCEPT)
return 0;
-#endif
frametype = skb->data[2];
lci = ((skb->data[0] << 8) & 0xF00) + ((skb->data[1] << 0) & 0x0FF);
+ src_addr = (rose_address *)(skb->data + 9);
+ dest_addr = (rose_address *)(skb->data + 4);
for (rose_neigh = rose_neigh_list; rose_neigh != NULL; rose_neigh = rose_neigh->next)
- if (ax25cmp(&ax25->dest_addr, &rose_neigh->callsign) == 0 && ax25->device == rose_neigh->dev)
+ if (ax25cmp(&ax25->dest_addr, &rose_neigh->callsign) == 0 && ax25->ax25_dev->dev == rose_neigh->dev)
break;
if (rose_neigh == NULL)
return 0;
/*
+ * Obviously the link is working, halt the ftimer.
+ */
+ rose_neigh->ftimer = 0;
+
+ /*
* LCI of zero is always for us, and its always a restart
* frame.
*/
@@ -549,12 +585,9 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25)
/*
* Is is a Call Request and is it for us ?
*/
- if (frametype == ROSE_CALL_REQUEST) {
- dest_addr = (rose_address *)(skb->data + 4);
-
+ if (frametype == ROSE_CALL_REQUEST)
if ((dev = rose_dev_get(dest_addr)) != NULL)
return rose_rx_call_request(skb, dev, rose_neigh, lci);
- }
if (!sysctl_rose_routing_control) {
rose_transmit_clear_request(rose_neigh, lci, 0x0D);
@@ -598,18 +631,7 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25)
if (frametype != ROSE_CALL_REQUEST) /* XXX */
return 0;
- dest_addr = (rose_address *)(skb->data + 4);
-
- /*
- * Create a new route entry, if we can.
- */
- for (rose_node = rose_node_list; rose_node != NULL; rose_node = rose_node->next)
- if (rosecmp(&rose_node->address, dest_addr) == 0)
- break;
- /*
- * Its an unknown node, or is unreachable.
- */
- if (rose_node == NULL || rose_node->which >= rose_node->count) {
+ if ((new_neigh = rose_get_neigh(dest_addr)) == NULL) {
rose_transmit_clear_request(rose_neigh, lci, 0x0D);
return 0;
}
@@ -619,8 +641,6 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25)
return 0;
}
- new_neigh = rose_node->neighbour[rose_node->which];
-
rose_route->lci1 = lci;
rose_route->neigh1 = rose_neigh;
rose_route->lci2 = rose_new_lci(new_neigh->dev);
@@ -651,12 +671,12 @@ int rose_nodes_get_info(char *buffer, char **start, off_t offset,
cli();
- len += sprintf(buffer, "address w n neigh neigh neigh\n");
+ len += sprintf(buffer, "address mask n neigh neigh neigh\n");
for (rose_node = rose_node_list; rose_node != NULL; rose_node = rose_node->next) {
- len += sprintf(buffer + len, "%-10s %d %d",
+ len += sprintf(buffer + len, "%-10s %04d %d",
rose2asc(&rose_node->address),
- rose_node->which + 1,
+ rose_node->mask,
rose_node->count);
for (i = 0; i < rose_node->count; i++)
@@ -696,17 +716,17 @@ int rose_neigh_get_info(char *buffer, char **start, off_t offset,
cli();
- len += sprintf(buffer, "addr callsign dev count restart t0\n");
+ len += sprintf(buffer, "addr callsign dev count restart t0 tf\n");
for (rose_neigh = rose_neigh_list; rose_neigh != NULL; rose_neigh = rose_neigh->next) {
- len += sprintf(buffer + len, "%05d %-9s %-4s %3d %3s %3d/%03d\n",
+ len += sprintf(buffer + len, "%05d %-9s %-4s %3d %3s %3d %3d\n",
rose_neigh->number,
ax2asc(&rose_neigh->callsign),
rose_neigh->dev ? rose_neigh->dev->name : "???",
rose_neigh->count,
(rose_neigh->restarted) ? "yes" : "no",
- rose_neigh->t0timer / PR_SLOWHZ,
- rose_neigh->t0 / PR_SLOWHZ);
+ rose_neigh->t0timer / ROSE_SLOWHZ,
+ rose_neigh->ftimer / ROSE_SLOWHZ);
pos = begin + len;
@@ -714,7 +734,7 @@ int rose_neigh_get_info(char *buffer, char **start, off_t offset,
len = 0;
begin = pos;
}
-
+
if (pos > offset + length)
break;
}
@@ -757,7 +777,7 @@ int rose_routes_get_info(char *buffer, char **start, off_t offset,
len = 0;
begin = pos;
}
-
+
if (pos > offset + length)
break;
}
@@ -786,21 +806,21 @@ void rose_rt_free(void)
while (rose_neigh != NULL) {
s = rose_neigh;
rose_neigh = rose_neigh->next;
-
+
rose_remove_neigh(s);
}
while (rose_node != NULL) {
t = rose_node;
rose_node = rose_node->next;
-
+
rose_remove_node(t);
}
while (rose_route != NULL) {
u = rose_route;
rose_route = rose_route->next;
-
+
rose_remove_route(u);
}
}
diff --git a/net/rose/rose_subr.c b/net/rose/rose_subr.c
index 0c1c83fa8..5befcbb60 100644
--- a/net/rose/rose_subr.c
+++ b/net/rose/rose_subr.c
@@ -4,7 +4,7 @@
* This is ALPHA test software. This code may break your machine, randomly fail to work with new
* releases, misbehave and/or generally screw up. It might even work.
*
- * This code REQUIRES 2.1.0 or higher/ NET3.029
+ * This code REQUIRES 2.1.15 or higher/ NET3.038
*
* This module:
* This module is free software; you can redistribute it and/or
@@ -15,7 +15,7 @@
* History
* Rose 001 Jonathan(G4KLX) Cloned from nr_subr.c
*/
-
+
#include <linux/config.h>
#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
#include <linux/errno.h>
@@ -47,62 +47,11 @@ void rose_clear_queues(struct sock *sk)
{
struct sk_buff *skb;
- while ((skb = skb_dequeue(&sk->write_queue)) != NULL) {
- skb->sk = sk;
- skb->free = 1;
- kfree_skb(skb, FREE_WRITE);
- }
-
- while ((skb = skb_dequeue(&sk->protinfo.rose->ack_queue)) != NULL) {
- skb->sk = sk;
- skb->free = 1;
+ while ((skb = skb_dequeue(&sk->write_queue)) != NULL)
kfree_skb(skb, FREE_WRITE);
- }
- while ((skb = skb_dequeue(&sk->protinfo.rose->frag_queue)) != NULL) {
+ while ((skb = skb_dequeue(&sk->protinfo.rose->frag_queue)) != NULL)
kfree_skb(skb, FREE_READ);
- }
-}
-
-/*
- * This routine purges the input queue of those frames that have been
- * acknowledged. This replaces the boxes labelled "V(a) <- N(r)" on the
- * SDL diagram.
- */
-void rose_frames_acked(struct sock *sk, unsigned short nr)
-{
- struct sk_buff *skb;
-
- /*
- * Remove all the ack-ed frames from the ack queue.
- */
- if (sk->protinfo.rose->va != nr) {
- while (skb_peek(&sk->protinfo.rose->ack_queue) != NULL && sk->protinfo.rose->va != nr) {
- skb = skb_dequeue(&sk->protinfo.rose->ack_queue);
- skb->sk = sk;
- skb->free = 1;
- kfree_skb(skb, FREE_WRITE);
- sk->protinfo.rose->va = (sk->protinfo.rose->va + 1) % ROSE_MODULUS;
- }
- }
-}
-
-/*
- * Requeue all the un-ack-ed frames on the output queue to be picked
- * up by rose_kick called from the timer. This arrangement handles the
- * possibility of an empty output queue.
- */
-void rose_requeue_frames(struct sock *sk)
-{
- struct sk_buff *skb, *skb_prev = NULL;
-
- while ((skb = skb_dequeue(&sk->protinfo.rose->ack_queue)) != NULL) {
- if (skb_prev == NULL)
- skb_queue_head(&sk->write_queue, skb);
- else
- skb_append(skb_prev, skb);
- skb_prev = skb;
- }
}
/*
@@ -117,7 +66,7 @@ int rose_validate_nr(struct sock *sk, unsigned short nr)
if (nr == vc) return 1;
vc = (vc + 1) % ROSE_MODULUS;
}
-
+
if (nr == sk->protinfo.rose->vs) return 1;
return 0;
@@ -136,7 +85,7 @@ void rose_write_internal(struct sock *sk, int frametype)
int len, faclen = 0;
len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN + 1;
-
+
switch (frametype) {
case ROSE_CALL_REQUEST:
len += 1 + ROSE_ADDR_LEN + ROSE_ADDR_LEN;
@@ -153,7 +102,7 @@ void rose_write_internal(struct sock *sk, int frametype)
len += 1;
break;
}
-
+
if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)
return;
@@ -168,9 +117,9 @@ void rose_write_internal(struct sock *sk, int frametype)
lci2 = (sk->protinfo.rose->lci >> 0) & 0xFF;
switch (frametype) {
-
+
case ROSE_CALL_REQUEST:
- *dptr++ = GFI | lci1;
+ *dptr++ = ROSE_GFI | lci1;
*dptr++ = lci2;
*dptr++ = frametype;
*dptr++ = 0xAA;
@@ -183,7 +132,7 @@ void rose_write_internal(struct sock *sk, int frametype)
break;
case ROSE_CALL_ACCEPTED:
- *dptr++ = GFI | lci1;
+ *dptr++ = ROSE_GFI | lci1;
*dptr++ = lci2;
*dptr++ = frametype;
*dptr++ = 0x00; /* Address length */
@@ -192,7 +141,7 @@ void rose_write_internal(struct sock *sk, int frametype)
case ROSE_CLEAR_REQUEST:
case ROSE_RESET_REQUEST:
- *dptr++ = GFI | lci1;
+ *dptr++ = ROSE_GFI | lci1;
*dptr++ = lci2;
*dptr++ = frametype;
*dptr++ = 0x00; /* XXX */
@@ -200,7 +149,7 @@ void rose_write_internal(struct sock *sk, int frametype)
break;
case ROSE_INTERRUPT:
- *dptr++ = GFI | lci1;
+ *dptr++ = ROSE_GFI | lci1;
*dptr++ = lci2;
*dptr++ = frametype;
*dptr++ = 0x00; /* XXX */
@@ -209,16 +158,16 @@ void rose_write_internal(struct sock *sk, int frametype)
case ROSE_RR:
case ROSE_RNR:
case ROSE_REJ:
- *dptr++ = GFI | lci1;
+ *dptr++ = ROSE_GFI | lci1;
*dptr++ = lci2;
*dptr = frametype;
*dptr++ |= (sk->protinfo.rose->vr << 5) & 0xE0;
break;
-
+
case ROSE_CLEAR_CONFIRMATION:
case ROSE_INTERRUPT_CONFIRMATION:
case ROSE_RESET_CONFIRMATION:
- *dptr++ = GFI | lci1;
+ *dptr++ = ROSE_GFI | lci1;
*dptr++ = lci2;
*dptr++ = frametype;
break;
@@ -235,11 +184,11 @@ void rose_write_internal(struct sock *sk, int frametype)
int rose_decode(struct sk_buff *skb, int *ns, int *nr, int *q, int *d, int *m)
{
unsigned char *frame;
-
+
frame = skb->data;
-
+
*ns = *nr = *q = *d = *m = 0;
-
+
switch (frame[2]) {
case ROSE_CALL_REQUEST:
case ROSE_CALL_ACCEPTED:
@@ -267,14 +216,14 @@ int rose_decode(struct sk_buff *skb, int *ns, int *nr, int *q, int *d, int *m)
}
if ((frame[2] & 0x01) == ROSE_DATA) {
- *q = (frame[0] & Q_BIT) == Q_BIT;
- *d = (frame[0] & D_BIT) == D_BIT;
- *m = (frame[2] & M_BIT) == M_BIT;
+ *q = (frame[0] & ROSE_Q_BIT) == ROSE_Q_BIT;
+ *d = (frame[0] & ROSE_D_BIT) == ROSE_D_BIT;
+ *m = (frame[2] & ROSE_M_BIT) == ROSE_M_BIT;
*nr = (frame[2] >> 5) & 0x07;
*ns = (frame[2] >> 1) & 0x07;
return ROSE_DATA;
}
-
+
return ROSE_ILLEGAL;
}
@@ -289,7 +238,7 @@ static int rose_parse_national(unsigned char *p, rose_cb *rose, int len)
n += 2;
len -= 2;
break;
-
+
case 0x40:
if (*p == FAC_NATIONAL_RAND)
rose->rand = ((p[1] << 8) & 0xFF00) + ((p[2] << 0) & 0x00FF);
@@ -303,7 +252,7 @@ static int rose_parse_national(unsigned char *p, rose_cb *rose, int len)
n += 4;
len -= 4;
break;
-
+
case 0xC0:
l = p[1];
if (*p == FAC_NATIONAL_DEST_DIGI) {
@@ -336,7 +285,7 @@ static int rose_parse_ccitt(unsigned char *p, rose_cb *rose, int len)
n += 2;
len -= 2;
break;
-
+
case 0x40:
p += 3;
n += 3;
@@ -348,7 +297,7 @@ static int rose_parse_ccitt(unsigned char *p, rose_cb *rose, int len)
n += 4;
len -= 4;
break;
-
+
case 0xC0:
l = p[1];
if (*p == FAC_CCITT_DEST_NSAP) {
@@ -386,7 +335,7 @@ int rose_parse_facilities(struct sk_buff *skb, rose_cb *rose)
p = skb->data + len + 4;
facilities_len = *p++;
-
+
if (facilities_len == 0)
return 0;
@@ -401,13 +350,13 @@ int rose_parse_facilities(struct sk_buff *skb, rose_cb *rose)
facilities_len -= len + 1;
p += len + 1;
break;
-
+
case FAC_CCITT: /* CCITT */
len = rose_parse_ccitt(p + 1, rose, facilities_len - 1);
facilities_len -= len + 1;
p += len + 1;
break;
-
+
default:
printk(KERN_DEBUG "rose_parse_facilities: unknown facilities family %02X\n", *p);
facilities_len--;
@@ -425,7 +374,7 @@ int rose_create_facilities(unsigned char *buffer, rose_cb *rose)
unsigned char *p = buffer + 1;
char *callsign;
int len;
-
+
/* National Facilities */
if (rose->rand != 0 || rose->source_ndigis == 1 || rose->dest_ndigis == 1) {
*p++ = 0x00;
@@ -436,7 +385,7 @@ int rose_create_facilities(unsigned char *buffer, rose_cb *rose)
*p++ = (rose->rand >> 8) & 0xFF;
*p++ = (rose->rand >> 0) & 0xFF;
}
-
+
if (rose->source_ndigis == 1) {
*p++ = FAC_NATIONAL_SRC_DIGI;
*p++ = AX25_ADDR_LEN;
@@ -454,9 +403,9 @@ int rose_create_facilities(unsigned char *buffer, rose_cb *rose)
*p++ = 0x00;
*p++ = FAC_CCITT;
-
+
*p++ = FAC_CCITT_DEST_NSAP;
-
+
callsign = ax2asc(&rose->dest_call);
*p++ = strlen(callsign) + 10;
@@ -469,7 +418,7 @@ int rose_create_facilities(unsigned char *buffer, rose_cb *rose)
memcpy(p, callsign, strlen(callsign));
p += strlen(callsign);
-
+
*p++ = FAC_CCITT_SRC_NSAP;
callsign = ax2asc(&rose->source_call);
@@ -487,7 +436,7 @@ int rose_create_facilities(unsigned char *buffer, rose_cb *rose)
len = p - buffer;
buffer[0] = len - 1;
-
+
return len;
}
diff --git a/net/rose/rose_timer.c b/net/rose/rose_timer.c
index 313756847..869f312f5 100644
--- a/net/rose/rose_timer.c
+++ b/net/rose/rose_timer.c
@@ -4,7 +4,7 @@
* This is ALPHA test software. This code may break your machine, randomly fail to work with new
* releases, misbehave and/or generally screw up. It might even work.
*
- * This code REQUIRES 2.1.0 or higher/ NET3.029
+ * This code REQUIRES 2.1.15 or higher/ NET3.038
*
* This module:
* This module is free software; you can redistribute it and/or
@@ -43,37 +43,20 @@
static void rose_timer(unsigned long);
/*
- * Linux set/reset timer routines
+ * Linux set timer
*/
void rose_set_timer(struct sock *sk)
{
unsigned long flags;
-
- save_flags(flags);
- cli();
- del_timer(&sk->timer);
- restore_flags(flags);
-
- sk->timer.next = sk->timer.prev = NULL;
- sk->timer.data = (unsigned long)sk;
- sk->timer.function = &rose_timer;
-
- sk->timer.expires = jiffies + 10;
- add_timer(&sk->timer);
-}
-static void rose_reset_timer(struct sock *sk)
-{
- unsigned long flags;
-
- save_flags(flags);
- cli();
+ save_flags(flags); cli();
del_timer(&sk->timer);
restore_flags(flags);
sk->timer.data = (unsigned long)sk;
sk->timer.function = &rose_timer;
- sk->timer.expires = jiffies + 10;
+ sk->timer.expires = jiffies + (HZ / 10);
+
add_timer(&sk->timer);
}
@@ -102,9 +85,12 @@ static void rose_timer(unsigned long param)
/*
* Check for the state of the receive buffer.
*/
- if (sk->rmem_alloc < (sk->rcvbuf / 2) && (sk->protinfo.rose->condition & OWN_RX_BUSY_CONDITION)) {
- sk->protinfo.rose->condition &= ~OWN_RX_BUSY_CONDITION;
+ if (atomic_read(&sk->rmem_alloc) < (sk->rcvbuf / 2) &&
+ (sk->protinfo.rose->condition & ROSE_COND_OWN_RX_BUSY)) {
+ sk->protinfo.rose->condition &= ~ROSE_COND_OWN_RX_BUSY;
+ sk->protinfo.rose->condition &= ~ROSE_COND_ACK_PENDING;
sk->protinfo.rose->vl = sk->protinfo.rose->vr;
+ sk->protinfo.rose->timer = 0;
rose_write_internal(sk, ROSE_RR);
break;
}
@@ -119,15 +105,22 @@ static void rose_timer(unsigned long param)
}
if (sk->protinfo.rose->timer == 0 || --sk->protinfo.rose->timer > 0) {
- rose_reset_timer(sk);
+ rose_set_timer(sk);
return;
}
/*
- * Timer has expired, it may have been T1, T2, or T3. We can tell
+ * Timer has expired, it may have been T1, T2, T3 or HB. We can tell
* by the socket state.
*/
switch (sk->protinfo.rose->state) {
+ case ROSE_STATE_3: /* HB */
+ if (sk->protinfo.rose->condition & ROSE_COND_ACK_PENDING) {
+ sk->protinfo.rose->condition &= ~ROSE_COND_ACK_PENDING;
+ rose_enquiry_response(sk);
+ }
+ break;
+
case ROSE_STATE_1: /* T1 */
case ROSE_STATE_4: /* T2 */
rose_write_internal(sk, ROSE_CLEAR_REQUEST);
diff --git a/net/rose/sysctl_net_rose.c b/net/rose/sysctl_net_rose.c
index 558702dbd..c899a1837 100644
--- a/net/rose/sysctl_net_rose.c
+++ b/net/rose/sysctl_net_rose.c
@@ -10,12 +10,13 @@
#include <net/ax25.h>
#include <net/rose.h>
-static int min_timer[] = {1 * PR_SLOWHZ};
-static int max_timer[] = {300 * PR_SLOWHZ};
-static int min_idle[] = {0 * PR_SLOWHZ};
-static int max_idle[] = {65535 * PR_SLOWHZ};
-static int min_route[] = {0};
-static int max_route[] = {0};
+static int min_timer[] = {1 * ROSE_SLOWHZ};
+static int max_timer[] = {300 * ROSE_SLOWHZ};
+static int min_idle[] = {0 * ROSE_SLOWHZ};
+static int max_idle[] = {65535 * ROSE_SLOWHZ};
+static int min_route[] = {0}, max_route[] = {1};
+static int min_ftimer[] = {60 * ROSE_SLOWHZ};
+static int max_ftimer[] = {600 * ROSE_SLOWHZ};
static struct ctl_table_header *rose_table_header;
@@ -35,9 +36,15 @@ static ctl_table rose_table[] = {
{NET_ROSE_NO_ACTIVITY_TIMEOUT, "no_activity_timeout",
&sysctl_rose_no_activity_timeout, sizeof(int), 0644, NULL,
&proc_dointvec_minmax, &sysctl_intvec, NULL, &min_idle, &max_idle},
+ {NET_ROSE_ACK_HOLD_BACK_TIMEOUT, "acknowledge_hold_back_timeout",
+ &sysctl_rose_ack_hold_back_timeout, sizeof(int), 0644, NULL,
+ &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_timer, &max_timer},
{NET_ROSE_ROUTING_CONTROL, "routing_control",
&sysctl_rose_routing_control, sizeof(int), 0644, NULL,
&proc_dointvec_minmax, &sysctl_intvec, NULL, &min_route, &max_route},
+ {NET_ROSE_LINK_FAIL_TIMEOUT, "link_fail_timeout",
+ &sysctl_rose_link_fail_timeout, sizeof(int), 0644, NULL,
+ &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_ftimer, &max_ftimer},
{0}
};