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Diffstat (limited to 'net/ieee802154/6lowpan')
-rw-r--r--net/ieee802154/6lowpan/6lowpan_i.h2
-rw-r--r--net/ieee802154/6lowpan/core.c89
-rw-r--r--net/ieee802154/6lowpan/reassembly.c14
-rw-r--r--net/ieee802154/6lowpan/rx.c22
-rw-r--r--net/ieee802154/6lowpan/tx.c39
5 files changed, 82 insertions, 84 deletions
diff --git a/net/ieee802154/6lowpan/6lowpan_i.h b/net/ieee802154/6lowpan/6lowpan_i.h
index ea339fa94c27..9aa7b62b87fa 100644
--- a/net/ieee802154/6lowpan/6lowpan_i.h
+++ b/net/ieee802154/6lowpan/6lowpan_i.h
@@ -40,7 +40,7 @@ static inline u32 ieee802154_addr_hash(const struct ieee802154_addr *a)
/* private device info */
struct lowpan_dev_info {
- struct net_device *real_dev; /* real WPAN device ptr */
+ struct net_device *wdev; /* wpan device ptr */
u16 fragment_tag;
};
diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c
index 953b1c49f5d1..b0f04601b0f8 100644
--- a/net/ieee802154/6lowpan/core.c
+++ b/net/ieee802154/6lowpan/core.c
@@ -61,7 +61,7 @@ static struct header_ops lowpan_header_ops = {
static struct lock_class_key lowpan_tx_busylock;
static struct lock_class_key lowpan_netdev_xmit_lock_key;
-static void lowpan_set_lockdep_class_one(struct net_device *dev,
+static void lowpan_set_lockdep_class_one(struct net_device *ldev,
struct netdev_queue *txq,
void *_unused)
{
@@ -69,10 +69,10 @@ static void lowpan_set_lockdep_class_one(struct net_device *dev,
&lowpan_netdev_xmit_lock_key);
}
-static int lowpan_dev_init(struct net_device *dev)
+static int lowpan_dev_init(struct net_device *ldev)
{
- netdev_for_each_tx_queue(dev, lowpan_set_lockdep_class_one, NULL);
- dev->qdisc_tx_busylock = &lowpan_tx_busylock;
+ netdev_for_each_tx_queue(ldev, lowpan_set_lockdep_class_one, NULL);
+ ldev->qdisc_tx_busylock = &lowpan_tx_busylock;
return 0;
}
@@ -81,23 +81,23 @@ static const struct net_device_ops lowpan_netdev_ops = {
.ndo_start_xmit = lowpan_xmit,
};
-static void lowpan_setup(struct net_device *dev)
+static void lowpan_setup(struct net_device *ldev)
{
- dev->addr_len = IEEE802154_ADDR_LEN;
- memset(dev->broadcast, 0xff, IEEE802154_ADDR_LEN);
- dev->type = ARPHRD_6LOWPAN;
+ ldev->addr_len = IEEE802154_ADDR_LEN;
+ memset(ldev->broadcast, 0xff, IEEE802154_ADDR_LEN);
+ ldev->type = ARPHRD_6LOWPAN;
/* Frame Control + Sequence Number + Address fields + Security Header */
- dev->hard_header_len = 2 + 1 + 20 + 14;
- dev->needed_tailroom = 2; /* FCS */
- dev->mtu = IPV6_MIN_MTU;
- dev->priv_flags |= IFF_NO_QUEUE;
- dev->flags = IFF_BROADCAST | IFF_MULTICAST;
- dev->watchdog_timeo = 0;
-
- dev->netdev_ops = &lowpan_netdev_ops;
- dev->header_ops = &lowpan_header_ops;
- dev->destructor = free_netdev;
- dev->features |= NETIF_F_NETNS_LOCAL;
+ ldev->hard_header_len = 2 + 1 + 20 + 14;
+ ldev->needed_tailroom = 2; /* FCS */
+ ldev->mtu = IPV6_MIN_MTU;
+ ldev->priv_flags |= IFF_NO_QUEUE;
+ ldev->flags = IFF_BROADCAST | IFF_MULTICAST;
+ ldev->watchdog_timeo = 0;
+
+ ldev->netdev_ops = &lowpan_netdev_ops;
+ ldev->header_ops = &lowpan_header_ops;
+ ldev->destructor = free_netdev;
+ ldev->features |= NETIF_F_NETNS_LOCAL;
}
static int lowpan_validate(struct nlattr *tb[], struct nlattr *data[])
@@ -109,10 +109,10 @@ static int lowpan_validate(struct nlattr *tb[], struct nlattr *data[])
return 0;
}
-static int lowpan_newlink(struct net *src_net, struct net_device *dev,
+static int lowpan_newlink(struct net *src_net, struct net_device *ldev,
struct nlattr *tb[], struct nlattr *data[])
{
- struct net_device *real_dev;
+ struct net_device *wdev;
int ret;
ASSERT_RTNL();
@@ -120,35 +120,35 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev,
pr_debug("adding new link\n");
if (!tb[IFLA_LINK] ||
- !net_eq(dev_net(dev), &init_net))
+ !net_eq(dev_net(ldev), &init_net))
return -EINVAL;
- /* find and hold real wpan device */
- real_dev = dev_get_by_index(dev_net(dev), nla_get_u32(tb[IFLA_LINK]));
- if (!real_dev)
+ /* find and hold wpan device */
+ wdev = dev_get_by_index(dev_net(ldev), nla_get_u32(tb[IFLA_LINK]));
+ if (!wdev)
return -ENODEV;
- if (real_dev->type != ARPHRD_IEEE802154) {
- dev_put(real_dev);
+ if (wdev->type != ARPHRD_IEEE802154) {
+ dev_put(wdev);
return -EINVAL;
}
- if (real_dev->ieee802154_ptr->lowpan_dev) {
- dev_put(real_dev);
+ if (wdev->ieee802154_ptr->lowpan_dev) {
+ dev_put(wdev);
return -EBUSY;
}
- lowpan_dev_info(dev)->real_dev = real_dev;
+ lowpan_dev_info(ldev)->wdev = wdev;
/* Set the lowpan hardware address to the wpan hardware address. */
- memcpy(dev->dev_addr, real_dev->dev_addr, IEEE802154_ADDR_LEN);
+ memcpy(ldev->dev_addr, wdev->dev_addr, IEEE802154_ADDR_LEN);
- lowpan_netdev_setup(dev, LOWPAN_LLTYPE_IEEE802154);
+ lowpan_netdev_setup(ldev, LOWPAN_LLTYPE_IEEE802154);
- ret = register_netdevice(dev);
+ ret = register_netdevice(ldev);
if (ret < 0) {
- dev_put(real_dev);
+ dev_put(wdev);
return ret;
}
- real_dev->ieee802154_ptr->lowpan_dev = dev;
+ wdev->ieee802154_ptr->lowpan_dev = ldev;
if (!open_count)
lowpan_rx_init();
@@ -157,10 +157,9 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev,
return 0;
}
-static void lowpan_dellink(struct net_device *dev, struct list_head *head)
+static void lowpan_dellink(struct net_device *ldev, struct list_head *head)
{
- struct lowpan_dev_info *lowpan_dev = lowpan_dev_info(dev);
- struct net_device *real_dev = lowpan_dev->real_dev;
+ struct net_device *wdev = lowpan_dev_info(ldev)->wdev;
ASSERT_RTNL();
@@ -169,9 +168,9 @@ static void lowpan_dellink(struct net_device *dev, struct list_head *head)
if (!open_count)
lowpan_rx_exit();
- real_dev->ieee802154_ptr->lowpan_dev = NULL;
- unregister_netdevice(dev);
- dev_put(real_dev);
+ wdev->ieee802154_ptr->lowpan_dev = NULL;
+ unregister_netdevice(ldev);
+ dev_put(wdev);
}
static struct rtnl_link_ops lowpan_link_ops __read_mostly = {
@@ -196,9 +195,9 @@ static inline void lowpan_netlink_fini(void)
static int lowpan_device_event(struct notifier_block *unused,
unsigned long event, void *ptr)
{
- struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+ struct net_device *wdev = netdev_notifier_info_to_dev(ptr);
- if (dev->type != ARPHRD_IEEE802154)
+ if (wdev->type != ARPHRD_IEEE802154)
goto out;
switch (event) {
@@ -207,8 +206,8 @@ static int lowpan_device_event(struct notifier_block *unused,
* also delete possible lowpan interfaces which belongs
* to the wpan interface.
*/
- if (dev->ieee802154_ptr && dev->ieee802154_ptr->lowpan_dev)
- lowpan_dellink(dev->ieee802154_ptr->lowpan_dev, NULL);
+ if (wdev->ieee802154_ptr && wdev->ieee802154_ptr->lowpan_dev)
+ lowpan_dellink(wdev->ieee802154_ptr->lowpan_dev, NULL);
break;
default:
break;
diff --git a/net/ieee802154/6lowpan/reassembly.c b/net/ieee802154/6lowpan/reassembly.c
index 214d44aef35b..60d6df75aee9 100644
--- a/net/ieee802154/6lowpan/reassembly.c
+++ b/net/ieee802154/6lowpan/reassembly.c
@@ -46,7 +46,7 @@ static struct lowpan_frag_info *lowpan_cb(struct sk_buff *skb)
static struct inet_frags lowpan_frags;
static int lowpan_frag_reasm(struct lowpan_frag_queue *fq,
- struct sk_buff *prev, struct net_device *dev);
+ struct sk_buff *prev, struct net_device *ldev);
static unsigned int lowpan_hash_frag(u16 tag, u16 d_size,
const struct ieee802154_addr *saddr,
@@ -141,7 +141,7 @@ static int lowpan_frag_queue(struct lowpan_frag_queue *fq,
struct sk_buff *skb, const u8 frag_type)
{
struct sk_buff *prev, *next;
- struct net_device *dev;
+ struct net_device *ldev;
int end, offset;
if (fq->q.flags & INET_FRAG_COMPLETE)
@@ -195,8 +195,8 @@ found:
else
fq->q.fragments = skb;
- dev = skb->dev;
- if (dev)
+ ldev = skb->dev;
+ if (ldev)
skb->dev = NULL;
fq->q.stamp = skb->tstamp;
@@ -215,7 +215,7 @@ found:
unsigned long orefdst = skb->_skb_refdst;
skb->_skb_refdst = 0UL;
- res = lowpan_frag_reasm(fq, prev, dev);
+ res = lowpan_frag_reasm(fq, prev, ldev);
skb->_skb_refdst = orefdst;
return res;
}
@@ -235,7 +235,7 @@ err:
* the last and the first frames arrived and all the bits are here.
*/
static int lowpan_frag_reasm(struct lowpan_frag_queue *fq, struct sk_buff *prev,
- struct net_device *dev)
+ struct net_device *ldev)
{
struct sk_buff *fp, *head = fq->q.fragments;
int sum_truesize;
@@ -313,7 +313,7 @@ static int lowpan_frag_reasm(struct lowpan_frag_queue *fq, struct sk_buff *prev,
sub_frag_mem_limit(fq->q.net, sum_truesize);
head->next = NULL;
- head->dev = dev;
+ head->dev = ldev;
head->tstamp = fq->q.stamp;
fq->q.fragments = NULL;
diff --git a/net/ieee802154/6lowpan/rx.c b/net/ieee802154/6lowpan/rx.c
index 12e10201d263..b1442f397cda 100644
--- a/net/ieee802154/6lowpan/rx.c
+++ b/net/ieee802154/6lowpan/rx.c
@@ -16,9 +16,9 @@
#include "6lowpan_i.h"
static int lowpan_give_skb_to_device(struct sk_buff *skb,
- struct net_device *dev)
+ struct net_device *wdev)
{
- skb->dev = dev->ieee802154_ptr->lowpan_dev;
+ skb->dev = wdev->ieee802154_ptr->lowpan_dev;
skb->protocol = htons(ETH_P_IPV6);
skb->pkt_type = PACKET_HOST;
@@ -61,21 +61,21 @@ iphc_decompress(struct sk_buff *skb, const struct ieee802154_hdr *hdr)
IEEE802154_ADDR_LEN, iphc0, iphc1);
}
-static int lowpan_rcv(struct sk_buff *skb, struct net_device *dev,
- struct packet_type *pt, struct net_device *orig_dev)
+static int lowpan_rcv(struct sk_buff *skb, struct net_device *wdev,
+ struct packet_type *pt, struct net_device *orig_wdev)
{
struct ieee802154_hdr hdr;
int ret;
- if (dev->type != ARPHRD_IEEE802154 ||
- !dev->ieee802154_ptr->lowpan_dev)
+ if (wdev->type != ARPHRD_IEEE802154 ||
+ !wdev->ieee802154_ptr->lowpan_dev)
goto drop;
skb = skb_share_check(skb, GFP_ATOMIC);
if (!skb)
goto drop;
- if (!netif_running(dev))
+ if (!netif_running(wdev))
goto drop_skb;
if (skb->pkt_type == PACKET_OTHERHOST)
@@ -88,7 +88,7 @@ static int lowpan_rcv(struct sk_buff *skb, struct net_device *dev,
if (skb->data[0] == LOWPAN_DISPATCH_IPV6) {
/* Pull off the 1-byte of 6lowpan header. */
skb_pull(skb, 1);
- return lowpan_give_skb_to_device(skb, dev);
+ return lowpan_give_skb_to_device(skb, wdev);
} else {
switch (skb->data[0] & 0xe0) {
case LOWPAN_DISPATCH_IPHC: /* ipv6 datagram */
@@ -96,7 +96,7 @@ static int lowpan_rcv(struct sk_buff *skb, struct net_device *dev,
if (ret < 0)
goto drop_skb;
- return lowpan_give_skb_to_device(skb, dev);
+ return lowpan_give_skb_to_device(skb, wdev);
case LOWPAN_DISPATCH_FRAG1: /* first fragment header */
ret = lowpan_frag_rcv(skb, LOWPAN_DISPATCH_FRAG1);
if (ret == 1) {
@@ -104,7 +104,7 @@ static int lowpan_rcv(struct sk_buff *skb, struct net_device *dev,
if (ret < 0)
goto drop_skb;
- return lowpan_give_skb_to_device(skb, dev);
+ return lowpan_give_skb_to_device(skb, wdev);
} else if (ret == -1) {
return NET_RX_DROP;
} else {
@@ -117,7 +117,7 @@ static int lowpan_rcv(struct sk_buff *skb, struct net_device *dev,
if (ret < 0)
goto drop_skb;
- return lowpan_give_skb_to_device(skb, dev);
+ return lowpan_give_skb_to_device(skb, wdev);
} else if (ret == -1) {
return NET_RX_DROP;
} else {
diff --git a/net/ieee802154/6lowpan/tx.c b/net/ieee802154/6lowpan/tx.c
index f6263fc12340..9a2147e7f600 100644
--- a/net/ieee802154/6lowpan/tx.c
+++ b/net/ieee802154/6lowpan/tx.c
@@ -36,7 +36,7 @@ lowpan_addr_info *lowpan_skb_priv(const struct sk_buff *skb)
sizeof(struct lowpan_addr_info));
}
-int lowpan_header_create(struct sk_buff *skb, struct net_device *dev,
+int lowpan_header_create(struct sk_buff *skb, struct net_device *ldev,
unsigned short type, const void *_daddr,
const void *_saddr, unsigned int len)
{
@@ -51,7 +51,7 @@ int lowpan_header_create(struct sk_buff *skb, struct net_device *dev,
return 0;
if (!saddr)
- saddr = dev->dev_addr;
+ saddr = ldev->dev_addr;
raw_dump_inline(__func__, "saddr", (unsigned char *)saddr, 8);
raw_dump_inline(__func__, "daddr", (unsigned char *)daddr, 8);
@@ -73,22 +73,21 @@ static struct sk_buff*
lowpan_alloc_frag(struct sk_buff *skb, int size,
const struct ieee802154_hdr *master_hdr)
{
- struct net_device *real_dev = lowpan_dev_info(skb->dev)->real_dev;
+ struct net_device *wdev = lowpan_dev_info(skb->dev)->wdev;
struct sk_buff *frag;
int rc;
- frag = alloc_skb(real_dev->hard_header_len +
- real_dev->needed_tailroom + size,
+ frag = alloc_skb(wdev->hard_header_len + wdev->needed_tailroom + size,
GFP_ATOMIC);
if (likely(frag)) {
- frag->dev = real_dev;
+ frag->dev = wdev;
frag->priority = skb->priority;
- skb_reserve(frag, real_dev->hard_header_len);
+ skb_reserve(frag, wdev->hard_header_len);
skb_reset_network_header(frag);
*mac_cb(frag) = *mac_cb(skb);
- rc = dev_hard_header(frag, real_dev, 0, &master_hdr->dest,
+ rc = dev_hard_header(frag, wdev, 0, &master_hdr->dest,
&master_hdr->source, size);
if (rc < 0) {
kfree_skb(frag);
@@ -123,7 +122,7 @@ lowpan_xmit_fragment(struct sk_buff *skb, const struct ieee802154_hdr *wpan_hdr,
}
static int
-lowpan_xmit_fragmented(struct sk_buff *skb, struct net_device *dev,
+lowpan_xmit_fragmented(struct sk_buff *skb, struct net_device *ldev,
const struct ieee802154_hdr *wpan_hdr)
{
u16 dgram_size, dgram_offset;
@@ -134,8 +133,8 @@ lowpan_xmit_fragmented(struct sk_buff *skb, struct net_device *dev,
dgram_size = lowpan_uncompress_size(skb, &dgram_offset) -
skb->mac_len;
- frag_tag = htons(lowpan_dev_info(dev)->fragment_tag);
- lowpan_dev_info(dev)->fragment_tag++;
+ frag_tag = htons(lowpan_dev_info(ldev)->fragment_tag);
+ lowpan_dev_info(ldev)->fragment_tag++;
frag_hdr[0] = LOWPAN_DISPATCH_FRAG1 | ((dgram_size >> 8) & 0x07);
frag_hdr[1] = dgram_size & 0xff;
@@ -188,9 +187,9 @@ err:
return rc;
}
-static int lowpan_header(struct sk_buff *skb, struct net_device *dev)
+static int lowpan_header(struct sk_buff *skb, struct net_device *ldev)
{
- struct wpan_dev *wpan_dev = lowpan_dev_info(dev)->real_dev->ieee802154_ptr;
+ struct wpan_dev *wpan_dev = lowpan_dev_info(ldev)->wdev->ieee802154_ptr;
struct ieee802154_addr sa, da;
struct ieee802154_mac_cb *cb = mac_cb_init(skb);
struct lowpan_addr_info info;
@@ -202,7 +201,7 @@ static int lowpan_header(struct sk_buff *skb, struct net_device *dev)
daddr = &info.daddr.u.extended_addr;
saddr = &info.saddr.u.extended_addr;
- lowpan_header_compress(skb, dev, ETH_P_IPV6, daddr, saddr, skb->len);
+ lowpan_header_compress(skb, ldev, ETH_P_IPV6, daddr, saddr, skb->len);
cb->type = IEEE802154_FC_TYPE_DATA;
@@ -227,11 +226,11 @@ static int lowpan_header(struct sk_buff *skb, struct net_device *dev)
cb->ackreq = wpan_dev->ackreq;
}
- return dev_hard_header(skb, lowpan_dev_info(dev)->real_dev,
- ETH_P_IPV6, (void *)&da, (void *)&sa, 0);
+ return dev_hard_header(skb, lowpan_dev_info(ldev)->wdev, ETH_P_IPV6,
+ (void *)&da, (void *)&sa, 0);
}
-netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev)
+netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *ldev)
{
struct ieee802154_hdr wpan_hdr;
int max_single, ret;
@@ -245,7 +244,7 @@ netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev)
if (!skb)
return NET_XMIT_DROP;
- ret = lowpan_header(skb, dev);
+ ret = lowpan_header(skb, ldev);
if (ret < 0) {
kfree_skb(skb);
return NET_XMIT_DROP;
@@ -259,13 +258,13 @@ netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev)
max_single = ieee802154_max_payload(&wpan_hdr);
if (skb_tail_pointer(skb) - skb_network_header(skb) <= max_single) {
- skb->dev = lowpan_dev_info(dev)->real_dev;
+ skb->dev = lowpan_dev_info(ldev)->wdev;
return dev_queue_xmit(skb);
} else {
netdev_tx_t rc;
pr_debug("frame is too big, fragmentation is needed\n");
- rc = lowpan_xmit_fragmented(skb, dev, &wpan_hdr);
+ rc = lowpan_xmit_fragmented(skb, ldev, &wpan_hdr);
return rc < 0 ? NET_XMIT_DROP : rc;
}
generated by cgit (git 2.34.1) at 2024-06-21 16:14:55 +0000