M: hch@infradead.org
S: Maintained
+TC CLASSIFIER
+P: Jamal Hadi Salim
+M: hadi@cyberus.ca
+L: netdev@vger.kernel.org
+S: Maintained
+
TI OMAP RANDOM NUMBER GENERATOR SUPPORT
P: Deepak Saxena
M: dsaxena@plexity.net
/* Flush any pending characters in the driver and discipline. */
tty_ldisc_flush(tty);
- if (tty->driver->flush_buffer)
+ if (tty->driver && tty->driver->flush_buffer)
tty->driver->flush_buffer(tty);
if (test_bit(HCI_UART_PROTO_SET, &hu->flags))
if (tty->ldisc.flush_buffer)
tty->ldisc.flush_buffer(tty);
- if (tty->driver->flush_buffer)
+ if (tty->driver && tty->driver->flush_buffer)
tty->driver->flush_buffer(tty);
return 0;
#include "hd6457x.c"
+static inline void set_carrier(port_t *port)
+{
+ if (!sca_in(MSCI1_OFFSET + ST3, port) & ST3_DCD)
+ netif_carrier_on(port_to_dev(port));
+ else
+ netif_carrier_off(port_to_dev(port));
+}
+
+
static void sca_msci_intr(port_t *port)
{
- struct net_device *dev = port_to_dev(port);
- card_t* card = port_to_card(port);
- u8 stat = sca_in(MSCI1_OFFSET + ST1, card); /* read MSCI ST1 status */
+ u8 stat = sca_in(MSCI1_OFFSET + ST1, port); /* read MSCI ST1 status */
/* Reset MSCI TX underrun status bit */
- sca_out(stat & ST1_UDRN, MSCI0_OFFSET + ST1, card);
+ sca_out(stat & ST1_UDRN, MSCI0_OFFSET + ST1, port);
if (stat & ST1_UDRN) {
- struct net_device_stats *stats = hdlc_stats(dev);
+ struct net_device_stats *stats = hdlc_stats(port_to_dev(port));
stats->tx_errors++; /* TX Underrun error detected */
stats->tx_fifo_errors++;
}
/* Reset MSCI CDCD status bit - uses ch#2 DCD input */
- sca_out(stat & ST1_CDCD, MSCI1_OFFSET + ST1, card);
+ sca_out(stat & ST1_CDCD, MSCI1_OFFSET + ST1, port);
if (stat & ST1_CDCD)
- hdlc_set_carrier(!(sca_in(MSCI1_OFFSET + ST3, card) & ST3_DCD),
- dev);
+ set_carrier(port);
}
sca_out(IE1_UDRN, MSCI0_OFFSET + IE1, port);
sca_out(IE0_TXINT, MSCI0_OFFSET + IE0, port);
- hdlc_set_carrier(!(sca_in(MSCI1_OFFSET + ST3, port) & ST3_DCD), dev);
+ set_carrier(port);
printk(KERN_DEBUG "0x%X\n", sca_in(MSCI1_OFFSET + ST3, port));
/* enable MSCI1 CDCD interrupt */
}
sca_init_sync_port(card); /* Set up C101 memory */
- hdlc_set_carrier(!(sca_in(MSCI1_OFFSET + ST3, card) & ST3_DCD), dev);
+ set_carrier(card);
printk(KERN_INFO "%s: Moxa C101 on IRQ%u,"
" using %u TX + %u RX packets rings\n",
}
+static inline void sca_set_carrier(port_t *port)
+{
+ if (!(sca_in(get_msci(port) + ST3, port_to_card(port)) & ST3_DCD)) {
+#ifdef DEBUG_LINK
+ printk(KERN_DEBUG "%s: sca_set_carrier on\n",
+ port_to_dev(port)->name);
+#endif
+ netif_carrier_on(port_to_dev(port));
+ } else {
+#ifdef DEBUG_LINK
+ printk(KERN_DEBUG "%s: sca_set_carrier off\n",
+ port_to_dev(port)->name);
+#endif
+ netif_carrier_off(port_to_dev(port));
+ }
+}
+
static void sca_init_sync_port(port_t *port)
{
sca_out(DIR_BOFE, DIR_TX(phy_node(port)), card);
}
}
-
- hdlc_set_carrier(!(sca_in(get_msci(port) + ST3, card) & ST3_DCD),
- port_to_dev(port));
+ sca_set_carrier(port);
}
}
if (stat & ST1_CDCD)
- hdlc_set_carrier(!(sca_in(msci + ST3, card) & ST3_DCD),
- port_to_dev(port));
+ sca_set_carrier(port);
}
#endif
- all DMA interrupts
*/
- hdlc_set_carrier(!(sca_in(msci + ST3, card) & ST3_DCD), dev);
+ sca_set_carrier(port);
#ifdef __HD64570_H
/* MSCI TX INT and RX INT A IRQ enable */
"uptime %ud%uh%um%us)\n",
dev->name, days, hrs,
min, sec);
-#if 0
- netif_carrier_on(dev);
-#endif
+ netif_dormant_off(dev);
hdlc->state.cisco.up = 1;
}
}
hdlc->state.cisco.settings.timeout * HZ)) {
hdlc->state.cisco.up = 0;
printk(KERN_INFO "%s: Link down\n", dev->name);
-#if 0
- netif_carrier_off(dev);
-#endif
+ netif_dormant_on(dev);
}
cisco_keepalive_send(dev, CISCO_KEEPALIVE_REQ,
{
hdlc_device *hdlc = dev_to_hdlc(dev);
del_timer_sync(&hdlc->state.cisco.timer);
-#if 0
- if (netif_carrier_ok(dev))
- netif_carrier_off(dev);
-#endif
+ netif_dormant_on(dev);
hdlc->state.cisco.up = 0;
hdlc->state.cisco.request_sent = 0;
}
dev->type = ARPHRD_CISCO;
dev->flags = IFF_POINTOPOINT | IFF_NOARP;
dev->addr_len = 0;
+ netif_dormant_on(dev);
return 0;
}
if (pvc->open_count++ == 0) {
hdlc_device *hdlc = dev_to_hdlc(pvc->master);
if (hdlc->state.fr.settings.lmi == LMI_NONE)
- pvc->state.active = hdlc->carrier;
+ pvc->state.active = netif_carrier_ok(pvc->master);
pvc_carrier(pvc->state.active, pvc);
hdlc->state.fr.dce_changed = 1;
hdlc->state.fr.reliable = reliable;
if (reliable) {
-#if 0
- if (!netif_carrier_ok(dev))
- netif_carrier_on(dev);
-#endif
-
+ netif_dormant_off(dev);
hdlc->state.fr.n391cnt = 0; /* Request full status */
hdlc->state.fr.dce_changed = 1;
}
}
} else {
-#if 0
- if (netif_carrier_ok(dev))
- netif_carrier_off(dev);
-#endif
-
+ netif_dormant_on(dev);
while (pvc) { /* Deactivate all PVCs */
pvc_carrier(0, pvc);
pvc->state.exist = pvc->state.active = 0;
#include <linux/inetdevice.h>
#include <linux/lapb.h>
#include <linux/rtnetlink.h>
+#include <linux/notifier.h>
#include <linux/hdlc.h>
-static const char* version = "HDLC support module revision 1.18";
+static const char* version = "HDLC support module revision 1.19";
#undef DEBUG_LINK
-static void __hdlc_set_carrier_on(struct net_device *dev)
+static inline void hdlc_proto_start(struct net_device *dev)
{
hdlc_device *hdlc = dev_to_hdlc(dev);
if (hdlc->proto.start)
return hdlc->proto.start(dev);
-#if 0
-#ifdef DEBUG_LINK
- if (netif_carrier_ok(dev))
- printk(KERN_ERR "hdlc_set_carrier_on(): already on\n");
-#endif
- netif_carrier_on(dev);
-#endif
}
-static void __hdlc_set_carrier_off(struct net_device *dev)
+static inline void hdlc_proto_stop(struct net_device *dev)
{
hdlc_device *hdlc = dev_to_hdlc(dev);
if (hdlc->proto.stop)
return hdlc->proto.stop(dev);
-
-#if 0
-#ifdef DEBUG_LINK
- if (!netif_carrier_ok(dev))
- printk(KERN_ERR "hdlc_set_carrier_off(): already off\n");
-#endif
- netif_carrier_off(dev);
-#endif
}
-void hdlc_set_carrier(int on, struct net_device *dev)
+static int hdlc_device_event(struct notifier_block *this, unsigned long event,
+ void *ptr)
{
- hdlc_device *hdlc = dev_to_hdlc(dev);
+ struct net_device *dev = ptr;
+ hdlc_device *hdlc;
unsigned long flags;
- on = on ? 1 : 0;
+ int on;
+
+ if (dev->get_stats != hdlc_get_stats)
+ return NOTIFY_DONE; /* not an HDLC device */
+
+ if (event != NETDEV_CHANGE)
+ return NOTIFY_DONE; /* Only interrested in carrier changes */
+
+ on = netif_carrier_ok(dev);
#ifdef DEBUG_LINK
- printk(KERN_DEBUG "hdlc_set_carrier %i\n", on);
+ printk(KERN_DEBUG "%s: hdlc_device_event NETDEV_CHANGE, carrier %i\n",
+ dev->name, on);
#endif
+ hdlc = dev_to_hdlc(dev);
spin_lock_irqsave(&hdlc->state_lock, flags);
if (hdlc->carrier == on)
goto carrier_exit; /* no change in DCD line level */
-#ifdef DEBUG_LINK
- printk(KERN_INFO "%s: carrier %s\n", dev->name, on ? "ON" : "off");
-#endif
hdlc->carrier = on;
if (!hdlc->open)
if (hdlc->carrier) {
printk(KERN_INFO "%s: Carrier detected\n", dev->name);
- __hdlc_set_carrier_on(dev);
+ hdlc_proto_start(dev);
} else {
printk(KERN_INFO "%s: Carrier lost\n", dev->name);
- __hdlc_set_carrier_off(dev);
+ hdlc_proto_stop(dev);
}
carrier_exit:
spin_unlock_irqrestore(&hdlc->state_lock, flags);
+ return NOTIFY_DONE;
}
if (hdlc->carrier) {
printk(KERN_INFO "%s: Carrier detected\n", dev->name);
- __hdlc_set_carrier_on(dev);
+ hdlc_proto_start(dev);
} else
printk(KERN_INFO "%s: No carrier\n", dev->name);
hdlc->open = 0;
if (hdlc->carrier)
- __hdlc_set_carrier_off(dev);
+ hdlc_proto_stop(dev);
spin_unlock_irq(&hdlc->state_lock);
EXPORT_SYMBOL(hdlc_open);
EXPORT_SYMBOL(hdlc_close);
-EXPORT_SYMBOL(hdlc_set_carrier);
EXPORT_SYMBOL(hdlc_ioctl);
EXPORT_SYMBOL(hdlc_setup);
EXPORT_SYMBOL(alloc_hdlcdev);
};
+static struct notifier_block hdlc_notifier = {
+ .notifier_call = hdlc_device_event,
+};
+
+
static int __init hdlc_module_init(void)
{
+ int result;
+
printk(KERN_INFO "%s\n", version);
+ if ((result = register_netdevice_notifier(&hdlc_notifier)) != 0)
+ return result;
dev_add_pack(&hdlc_packet_type);
return 0;
}
static void __exit hdlc_module_exit(void)
{
dev_remove_pack(&hdlc_packet_type);
+ unregister_netdevice_notifier(&hdlc_notifier);
}
printk(KERN_INFO "%s: %s%s module, %s cable%s%s\n",
port->dev->name, pm, dte, cable, dsr, dcd);
- hdlc_set_carrier(value & STATUS_CABLE_DCD, port->dev);
+ if (value & STATUS_CABLE_DCD)
+ netif_carrier_on(port->dev);
+ else
+ netif_carrier_off(port->dev);
}
int hdlc_open(struct net_device *dev);
/* Must be called by hardware driver when HDLC device is being closed */
void hdlc_close(struct net_device *dev);
-/* Called by hardware driver when DCD line level changes */
-void hdlc_set_carrier(int on, struct net_device *dev);
/* May be used by hardware driver to gain control over HDLC device */
static __inline__ void hdlc_proto_detach(hdlc_device *hdlc)
ax25_cb *s;
struct hlist_node *node;
- spin_lock_bh(&ax25_list_lock);
+ spin_lock(&ax25_list_lock);
ax25_for_each(s, node, &ax25_list) {
if ((s->iamdigi && !digi) || (!s->iamdigi && digi))
continue;
/* If device is null we match any device */
if (s->ax25_dev == NULL || s->ax25_dev->dev == dev) {
sock_hold(s->sk);
- spin_unlock_bh(&ax25_list_lock);
+ spin_unlock(&ax25_list_lock);
return s->sk;
}
}
}
- spin_unlock_bh(&ax25_list_lock);
+ spin_unlock(&ax25_list_lock);
return NULL;
}
ax25_cb *s;
struct hlist_node *node;
- spin_lock_bh(&ax25_list_lock);
+ spin_lock(&ax25_list_lock);
ax25_for_each(s, node, &ax25_list) {
if (s->sk && !ax25cmp(&s->source_addr, my_addr) &&
!ax25cmp(&s->dest_addr, dest_addr) &&
}
}
- spin_unlock_bh(&ax25_list_lock);
+ spin_unlock(&ax25_list_lock);
return sk;
}
struct sk_buff *copy;
struct hlist_node *node;
- spin_lock_bh(&ax25_list_lock);
+ spin_lock(&ax25_list_lock);
ax25_for_each(s, node, &ax25_list) {
if (s->sk != NULL && ax25cmp(&s->source_addr, addr) == 0 &&
s->sk->sk_type == SOCK_RAW &&
kfree_skb(copy);
}
}
- spin_unlock_bh(&ax25_list_lock);
+ spin_unlock(&ax25_list_lock);
}
/*
ax25_start_t3timer(ax25);
ax25_ds_set_timer(ax25->ax25_dev);
- spin_lock_bh(&ax25_list_lock);
+ spin_lock(&ax25_list_lock);
ax25_for_each(ax25o, node, &ax25_list) {
if (ax25o == ax25)
continue;
if (ax25o->state != AX25_STATE_0)
ax25_start_t3timer(ax25o);
}
- spin_unlock_bh(&ax25_list_lock);
+ spin_unlock(&ax25_list_lock);
}
void ax25_ds_establish_data_link(ax25_cb *ax25)
int res = 0;
struct hlist_node *node;
- spin_lock_bh(&ax25_list_lock);
+ spin_lock(&ax25_list_lock);
ax25_for_each(ax25, node, &ax25_list)
if (ax25->ax25_dev == ax25_dev && (ax25->condition & AX25_COND_DAMA_MODE) && ax25->state > AX25_STATE_1) {
res = 1;
break;
}
- spin_unlock_bh(&ax25_list_lock);
+ spin_unlock(&ax25_list_lock);
return res;
}
return;
}
- spin_lock_bh(&ax25_list_lock);
+ spin_lock(&ax25_list_lock);
ax25_for_each(ax25, node, &ax25_list) {
if (ax25->ax25_dev != ax25_dev || !(ax25->condition & AX25_COND_DAMA_MODE))
continue;
ax25_send_control(ax25, AX25_DISC, AX25_POLLON, AX25_COMMAND);
ax25_disconnect(ax25, ETIMEDOUT);
}
- spin_unlock_bh(&ax25_list_lock);
+ spin_unlock(&ax25_list_lock);
ax25_dev_dama_off(ax25_dev);
}
protocol->pid = pid;
protocol->func = func;
- write_lock(&protocol_list_lock);
+ write_lock_bh(&protocol_list_lock);
protocol->next = protocol_list;
protocol_list = protocol;
- write_unlock(&protocol_list_lock);
+ write_unlock_bh(&protocol_list_lock);
return 1;
}
{
struct protocol_struct *s, *protocol;
- write_lock(&protocol_list_lock);
+ write_lock_bh(&protocol_list_lock);
protocol = protocol_list;
if (protocol == NULL) {
- write_unlock(&protocol_list_lock);
+ write_unlock_bh(&protocol_list_lock);
return;
}
if (protocol->pid == pid) {
protocol_list = protocol->next;
- write_unlock(&protocol_list_lock);
+ write_unlock_bh(&protocol_list_lock);
kfree(protocol);
return;
}
if (protocol->next->pid == pid) {
s = protocol->next;
protocol->next = protocol->next->next;
- write_unlock(&protocol_list_lock);
+ write_unlock_bh(&protocol_list_lock);
kfree(s);
return;
}
protocol = protocol->next;
}
- write_unlock(&protocol_list_lock);
+ write_unlock_bh(&protocol_list_lock);
}
EXPORT_SYMBOL(ax25_protocol_release);
struct protocol_struct *protocol;
int res = 0;
- read_lock(&protocol_list_lock);
+ read_lock_bh(&protocol_list_lock);
for (protocol = protocol_list; protocol != NULL; protocol = protocol->next)
if (protocol->pid == pid) {
res = 1;
break;
}
- read_unlock(&protocol_list_lock);
+ read_unlock_bh(&protocol_list_lock);
return res;
}
static struct cmtp_application *cmtp_application_add(struct cmtp_session *session, __u16 appl)
{
- struct cmtp_application *app = kmalloc(sizeof(*app), GFP_KERNEL);
+ struct cmtp_application *app = kzalloc(sizeof(*app), GFP_KERNEL);
BT_DBG("session %p application %p appl %d", session, app, appl);
if (!app)
return NULL;
- memset(app, 0, sizeof(*app));
-
app->state = BT_OPEN;
app->appl = appl;
baswap(&src, &bt_sk(sock->sk)->src);
baswap(&dst, &bt_sk(sock->sk)->dst);
- session = kmalloc(sizeof(struct cmtp_session), GFP_KERNEL);
+ session = kzalloc(sizeof(struct cmtp_session), GFP_KERNEL);
if (!session)
return -ENOMEM;
- memset(session, 0, sizeof(struct cmtp_session));
down_write(&cmtp_session_sem);
if (!(e = hci_inquiry_cache_lookup(hdev, &data->bdaddr))) {
/* Entry not in the cache. Add new one. */
- if (!(e = kmalloc(sizeof(struct inquiry_entry), GFP_ATOMIC)))
+ if (!(e = kzalloc(sizeof(struct inquiry_entry), GFP_ATOMIC)))
return;
- memset(e, 0, sizeof(struct inquiry_entry));
e->next = cache->list;
cache->list = e;
}
{
struct hci_dev *hdev;
- hdev = kmalloc(sizeof(struct hci_dev), GFP_KERNEL);
+ hdev = kzalloc(sizeof(struct hci_dev), GFP_KERNEL);
if (!hdev)
return NULL;
- memset(hdev, 0, sizeof(struct hci_dev));
-
skb_queue_head_init(&hdev->driver_init);
return hdev;
config BT_HIDP
tristate "HIDP protocol support"
- depends on BT && BT_L2CAP && (BROKEN || !S390)
- select INPUT
+ depends on BT && BT_L2CAP && INPUT
help
HIDP (Human Interface Device Protocol) is a transport layer
for HID reports. HIDP is required for the Bluetooth Human
bacmp(&bt_sk(ctrl_sock->sk)->dst, &bt_sk(intr_sock->sk)->dst))
return -ENOTUNIQ;
- session = kmalloc(sizeof(struct hidp_session), GFP_KERNEL);
+ session = kzalloc(sizeof(struct hidp_session), GFP_KERNEL);
if (!session)
return -ENOMEM;
- memset(session, 0, sizeof(struct hidp_session));
session->input = input_allocate_device();
if (!session->input) {
{
struct sock *next = l2cap_pi(sk)->next_c, *prev = l2cap_pi(sk)->prev_c;
- write_lock(&l->lock);
+ write_lock_bh(&l->lock);
if (sk == l->head)
l->head = next;
l2cap_pi(next)->prev_c = prev;
if (prev)
l2cap_pi(prev)->next_c = next;
- write_unlock(&l->lock);
+ write_unlock_bh(&l->lock);
__sock_put(sk);
}
static inline void l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct sock *parent)
{
struct l2cap_chan_list *l = &conn->chan_list;
- write_lock(&l->lock);
+ write_lock_bh(&l->lock);
__l2cap_chan_add(conn, sk, parent);
- write_unlock(&l->lock);
+ write_unlock_bh(&l->lock);
}
static inline u8 l2cap_get_ident(struct l2cap_conn *conn)
* 200 - 254 are used by utilities like l2ping, etc.
*/
- spin_lock(&conn->lock);
+ spin_lock_bh(&conn->lock);
if (++conn->tx_ident > 128)
conn->tx_ident = 1;
id = conn->tx_ident;
- spin_unlock(&conn->lock);
+ spin_unlock_bh(&conn->lock);
return id;
}
if (!sk)
goto response;
- write_lock(&list->lock);
+ write_lock_bh(&list->lock);
/* Check if we already have channel with that dcid */
if (__l2cap_get_chan_by_dcid(list, scid)) {
- write_unlock(&list->lock);
+ write_unlock_bh(&list->lock);
sock_set_flag(sk, SOCK_ZAPPED);
l2cap_sock_kill(sk);
goto response;
result = status = 0;
done:
- write_unlock(&list->lock);
+ write_unlock_bh(&list->lock);
response:
bh_unlock_sock(parent);
struct rfcomm_dlc *rfcomm_dlc_alloc(gfp_t prio)
{
- struct rfcomm_dlc *d = kmalloc(sizeof(*d), prio);
+ struct rfcomm_dlc *d = kzalloc(sizeof(*d), prio);
+
if (!d)
return NULL;
- memset(d, 0, sizeof(*d));
init_timer(&d->timer);
d->timer.function = rfcomm_dlc_timeout;
rfcomm_dlc_clear_state(d);
BT_DBG("%p", d);
+
return d;
}
/* ---- RFCOMM sessions ---- */
static struct rfcomm_session *rfcomm_session_add(struct socket *sock, int state)
{
- struct rfcomm_session *s = kmalloc(sizeof(*s), GFP_KERNEL);
+ struct rfcomm_session *s = kzalloc(sizeof(*s), GFP_KERNEL);
+
if (!s)
return NULL;
- memset(s, 0, sizeof(*s));
BT_DBG("session %p sock %p", s, sock);
BT_DBG("id %d channel %d", req->dev_id, req->channel);
- dev = kmalloc(sizeof(struct rfcomm_dev), GFP_KERNEL);
+ dev = kzalloc(sizeof(struct rfcomm_dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
- memset(dev, 0, sizeof(struct rfcomm_dev));
write_lock_bh(&rfcomm_dev_lock);
static struct sco_conn *sco_conn_add(struct hci_conn *hcon, __u8 status)
{
struct hci_dev *hdev = hcon->hdev;
- struct sco_conn *conn;
-
- if ((conn = hcon->sco_data))
- return conn;
+ struct sco_conn *conn = hcon->sco_data;
- if (status)
+ if (conn || status)
return conn;
- if (!(conn = kmalloc(sizeof(struct sco_conn), GFP_ATOMIC)))
+ conn = kzalloc(sizeof(struct sco_conn), GFP_ATOMIC);
+ if (!conn)
return NULL;
- memset(conn, 0, sizeof(struct sco_conn));
spin_lock_init(&conn->lock);
conn->mtu = 60;
BT_DBG("hcon %p conn %p", hcon, conn);
+
return conn;
}
void __sk_stream_mem_reclaim(struct sock *sk)
{
- if (sk->sk_forward_alloc >= SK_STREAM_MEM_QUANTUM) {
- atomic_sub(sk->sk_forward_alloc / SK_STREAM_MEM_QUANTUM,
- sk->sk_prot->memory_allocated);
- sk->sk_forward_alloc &= SK_STREAM_MEM_QUANTUM - 1;
- if (*sk->sk_prot->memory_pressure &&
- (atomic_read(sk->sk_prot->memory_allocated) <
- sk->sk_prot->sysctl_mem[0]))
- *sk->sk_prot->memory_pressure = 0;
- }
+ atomic_sub(sk->sk_forward_alloc / SK_STREAM_MEM_QUANTUM,
+ sk->sk_prot->memory_allocated);
+ sk->sk_forward_alloc &= SK_STREAM_MEM_QUANTUM - 1;
+ if (*sk->sk_prot->memory_pressure &&
+ (atomic_read(sk->sk_prot->memory_allocated) <
+ sk->sk_prot->sysctl_mem[0]))
+ *sk->sk_prot->memory_pressure = 0;
}
EXPORT_SYMBOL(__sk_stream_mem_reclaim);
*/
if (!fa_head) {
- fa_head = fib_insert_node(t, &err, key, plen);
err = 0;
+ fa_head = fib_insert_node(t, &err, key, plen);
if (err)
goto out_free_new_fa;
}
if (err)
goto out;
- skb_put(skb, dlen - plen);
+ skb->truesize += dlen - plen;
+ __skb_put(skb, dlen - plen);
memcpy(skb->data, scratch, dlen);
out:
put_cpu();
tp->snd_cwnd++;
}
} else {
- /* Update AIMD parameters */
+ /* Update AIMD parameters.
+ *
+ * We want to guarantee that:
+ * hstcp_aimd_vals[ca->ai-1].cwnd <
+ * snd_cwnd <=
+ * hstcp_aimd_vals[ca->ai].cwnd
+ */
if (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd) {
while (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd &&
ca->ai < HSTCP_AIMD_MAX - 1)
ca->ai++;
- } else if (tp->snd_cwnd < hstcp_aimd_vals[ca->ai].cwnd) {
- while (tp->snd_cwnd > hstcp_aimd_vals[ca->ai].cwnd &&
- ca->ai > 0)
+ } else if (ca->ai && tp->snd_cwnd <= hstcp_aimd_vals[ca->ai-1].cwnd) {
+ while (ca->ai && tp->snd_cwnd <= hstcp_aimd_vals[ca->ai-1].cwnd)
ca->ai--;
}
kfree(ifp);
}
+static void
+ipv6_link_dev_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp)
+{
+ struct inet6_ifaddr *ifa, **ifap;
+ int ifp_scope = ipv6_addr_src_scope(&ifp->addr);
+
+ /*
+ * Each device address list is sorted in order of scope -
+ * global before linklocal.
+ */
+ for (ifap = &idev->addr_list; (ifa = *ifap) != NULL;
+ ifap = &ifa->if_next) {
+ if (ifp_scope >= ipv6_addr_src_scope(&ifa->addr))
+ break;
+ }
+
+ ifp->if_next = *ifap;
+ *ifap = ifp;
+}
+
/* On success it returns ifp with increased reference count */
static struct inet6_ifaddr *
write_lock(&idev->lock);
/* Add to inet6_dev unicast addr list. */
- ifa->if_next = idev->addr_list;
- idev->addr_list = ifa;
+ ipv6_link_dev_addr(idev, ifa);
#ifdef CONFIG_IPV6_PRIVACY
if (ifa->flags&IFA_F_TEMPORARY) {
continue;
} else if (score.scope < hiscore.scope) {
if (score.scope < daddr_scope)
- continue;
+ break; /* addresses sorted by scope */
else {
score.rule = 2;
goto record_it;
goto out_put_cpu;
}
- skb_put(skb, dlen - plen);
+ skb->truesize += dlen - plen;
+ __skb_put(skb, dlen - plen);
memcpy(skb->data, scratch, dlen);
err = ipch->nexthdr;
static const struct proto_ops nr_proto_ops;
+/*
+ * NETROM network devices are virtual network devices encapsulating NETROM
+ * frames into AX.25 which will be sent through an AX.25 device, so form a
+ * special "super class" of normal net devices; split their locks off into a
+ * separate class since they always nest.
+ */
+static struct lock_class_key nr_netdev_xmit_lock_key;
+
/*
* Socket removal during an interrupt is now safe.
*/
nr_make->vl = 0;
nr_make->state = NR_STATE_3;
sk_acceptq_added(sk);
-
- nr_insert_socket(make);
-
skb_queue_head(&sk->sk_receive_queue, skb);
- nr_start_heartbeat(make);
- nr_start_idletimer(make);
-
if (!sock_flag(sk, SOCK_DEAD))
sk->sk_data_ready(sk, skb->len);
bh_unlock_sock(sk);
+
+ nr_insert_socket(make);
+
+ nr_start_heartbeat(make);
+ nr_start_idletimer(make);
+
return 1;
}
free_netdev(dev);
goto fail;
}
+ lockdep_set_class(&dev->_xmit_lock, &nr_netdev_xmit_lock_key);
dev_nr[i] = dev;
}
if (sock_flag(sk, SOCK_DESTROY) ||
(sk->sk_state == TCP_LISTEN && sock_flag(sk, SOCK_DEAD))) {
sock_hold(sk);
- nr_destroy_socket(sk);
bh_unlock_sock(sk);
+ nr_destroy_socket(sk);
sock_put(sk);
return;
}
ax25_address rose_callsign;
+/*
+ * ROSE network devices are virtual network devices encapsulating ROSE
+ * frames into AX.25 which will be sent through an AX.25 device, so form a
+ * special "super class" of normal net devices; split their locks off into a
+ * separate class since they always nest.
+ */
+static struct lock_class_key rose_netdev_xmit_lock_key;
+
/*
* Convert a ROSE address into text.
*/
free_netdev(dev);
goto fail;
}
+ lockdep_set_class(&dev->_xmit_lock, &rose_netdev_xmit_lock_key);
dev_rose[i] = dev;
}
link_p[RTM_GETACTION-RTM_BASE].dumpit = tc_dump_action;
}
- printk("TC classifier action (bugs to netdev@vger.kernel.org cc "
- "hadi@cyberus.ca)\n");
return 0;
}
projects / powerpc.git / commitdiff