@@ -3,8 +3,7 @@
* written by Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
*/
-/*
- * Based on patches from Jon Smirl <jonsmirl@gmail.com>
+/* Based on patches from Jon Smirl <jonsmirl@gmail.com>
* Copyright (c) 2011 Jon Smirl <jonsmirl@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -58,16 +57,15 @@
#include <net/ipv6.h>
#include <net/af_ieee802154.h>
-/*
- * Uncompress address function for source and
+/* Uncompress address function for source and
* destination address(non-multicast).
*
* address_mode is sam value or dam value.
*/
static int uncompress_addr(struct sk_buff *skb,
- struct in6_addr *ipaddr, const u8 address_mode,
- const u8 *lladdr, const u8 addr_type,
- const u8 addr_len)
+ struct in6_addr *ipaddr, const u8 address_mode,
+ const u8 *lladdr, const u8 addr_type,
+ const u8 addr_len)
{
bool fail;
@@ -140,13 +138,12 @@ static int uncompress_addr(struct sk_buff *skb,
return 0;
}
-/*
- * Uncompress address function for source context
+/* Uncompress address function for source context
* based address(non-multicast).
*/
static int uncompress_context_based_src_addr(struct sk_buff *skb,
- struct in6_addr *ipaddr,
- const u8 sam)
+ struct in6_addr *ipaddr,
+ const u8 sam)
{
switch (sam) {
case LOWPAN_IPHC_ADDR_00:
@@ -175,13 +172,13 @@ static int uncompress_context_based_src_addr(struct sk_buff *skb,
}
static int skb_deliver(struct sk_buff *skb, struct ipv6hdr *hdr,
- struct net_device *dev, skb_delivery_cb deliver_skb)
+ struct net_device *dev, skb_delivery_cb deliver_skb)
{
struct sk_buff *new;
int stat;
- new = skb_copy_expand(skb, sizeof(struct ipv6hdr), skb_tailroom(skb),
- GFP_ATOMIC);
+ new = skb_copy_expand(skb, sizeof(struct ipv6hdr),
+ skb_tailroom(skb), GFP_ATOMIC);
kfree_skb(skb);
if (!new)
@@ -196,7 +193,7 @@ static int skb_deliver(struct sk_buff *skb, struct ipv6hdr *hdr,
new->dev = dev;
raw_dump_table(__func__, "raw skb data dump before receiving",
- new->data, new->len);
+ new->data, new->len);
stat = deliver_skb(new, dev);
@@ -210,8 +207,8 @@ static int skb_deliver(struct sk_buff *skb, struct ipv6hdr *hdr,
*/
static int
lowpan_uncompress_multicast_daddr(struct sk_buff *skb,
- struct in6_addr *ipaddr,
- const u8 dam)
+ struct in6_addr *ipaddr,
+ const u8 dam)
{
bool fail;
@@ -314,8 +311,7 @@ uncompress_udp_header(struct sk_buff *skb, struct udphdr *uh)
fail |= lowpan_fetch_skb(skb, &uh->check, 2);
}
- /*
- * UDP lenght needs to be infered from the lower layers
+ /* UDP lenght needs to be infered from the lower layers
* here, we obtain the hint from the remaining size of the
* frame
*/
@@ -338,16 +334,17 @@ err:
static const u8 lowpan_ttl_values[] = { 0, 1, 64, 255 };
int lowpan_process_data(struct sk_buff *skb, struct net_device *dev,
- const u8 *saddr, const u8 saddr_type, const u8 saddr_len,
- const u8 *daddr, const u8 daddr_type, const u8 daddr_len,
- u8 iphc0, u8 iphc1, skb_delivery_cb deliver_skb)
+ const u8 *saddr, const u8 saddr_type,
+ const u8 saddr_len, const u8 *daddr,
+ const u8 daddr_type, const u8 daddr_len,
+ u8 iphc0, u8 iphc1, skb_delivery_cb deliver_skb)
{
struct ipv6hdr hdr = {};
u8 tmp, num_context = 0;
int err;
raw_dump_table(__func__, "raw skb data dump uncompressed",
- skb->data, skb->len);
+ skb->data, skb->len);
/* another if the CID flag is set */
if (iphc1 & LOWPAN_IPHC_CID) {
@@ -360,8 +357,7 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev,
/* Traffic Class and Flow Label */
switch ((iphc0 & LOWPAN_IPHC_TF) >> 3) {
- /*
- * Traffic Class and FLow Label carried in-line
+ /* Traffic Class and FLow Label carried in-line
* ECN + DSCP + 4-bit Pad + Flow Label (4 bytes)
*/
case 0: /* 00b */
@@ -374,8 +370,7 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev,
hdr.flow_lbl[0] = ((tmp >> 2) & 0x30) | (tmp << 6) |
(hdr.flow_lbl[0] & 0x0f);
break;
- /*
- * Traffic class carried in-line
+ /* Traffic class carried in-line
* ECN + DSCP (1 byte), Flow Label is elided
*/
case 2: /* 10b */
@@ -385,8 +380,7 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev,
hdr.priority = ((tmp >> 2) & 0x0f);
hdr.flow_lbl[0] = ((tmp << 6) & 0xC0) | ((tmp >> 2) & 0x30);
break;
- /*
- * Flow Label carried in-line
+ /* Flow Label carried in-line
* ECN + 2-bit Pad + Flow Label (3 bytes), DSCP is elided
*/
case 1: /* 01b */
@@ -415,9 +409,9 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev,
}
/* Hop Limit */
- if ((iphc0 & 0x03) != LOWPAN_IPHC_TTL_I)
+ if ((iphc0 & 0x03) != LOWPAN_IPHC_TTL_I) {
hdr.hop_limit = lowpan_ttl_values[iphc0 & 0x03];
- else {
+ } else {
if (lowpan_fetch_skb_u8(skb, &(hdr.hop_limit)))
goto drop;
}
@@ -429,12 +423,12 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev,
/* Source address context based uncompression */
pr_debug("SAC bit is set. Handle context based source address.\n");
err = uncompress_context_based_src_addr(
- skb, &hdr.saddr, tmp);
+ skb, &hdr.saddr, tmp);
} else {
/* Source address uncompression */
pr_debug("source address stateless compression\n");
err = uncompress_addr(skb, &hdr.saddr, tmp, saddr,
- saddr_type, saddr_len);
+ saddr_type, saddr_len);
}
/* Check on error of previous branch */
@@ -457,9 +451,9 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev,
}
} else {
err = uncompress_addr(skb, &hdr.daddr, tmp, daddr,
- daddr_type, daddr_len);
+ daddr_type, daddr_len);
pr_debug("dest: stateless compression mode %d dest %pI6c\n",
- tmp, &hdr.daddr);
+ tmp, &hdr.daddr);
if (err)
goto drop;
}
@@ -468,11 +462,11 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev,
if (iphc0 & LOWPAN_IPHC_NH_C) {
struct udphdr uh;
struct sk_buff *new;
+
if (uncompress_udp_header(skb, &uh))
goto drop;
- /*
- * replace the compressed UDP head by the uncompressed UDP
+ /* replace the compressed UDP head by the uncompressed UDP
* header
*/
new = skb_copy_expand(skb, sizeof(struct udphdr),
@@ -489,7 +483,7 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev,
skb_copy_to_linear_data(skb, &uh, sizeof(struct udphdr));
raw_dump_table(__func__, "raw UDP header dump",
- (u8 *)&uh, sizeof(uh));
+ (u8 *)&uh, sizeof(uh));
hdr.nexthdr = UIP_PROTO_UDP;
}
@@ -504,8 +498,8 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev,
hdr.version, ntohs(hdr.payload_len), hdr.nexthdr,
hdr.hop_limit, &hdr.daddr);
- raw_dump_table(__func__, "raw header dump", (u8 *)&hdr,
- sizeof(hdr));
+ raw_dump_table(__func__, "raw header dump",
+ (u8 *)&hdr, sizeof(hdr));
return skb_deliver(skb, &hdr, dev, deliver_skb);
@@ -516,8 +510,8 @@ drop:
EXPORT_SYMBOL_GPL(lowpan_process_data);
static u8 lowpan_compress_addr_64(u8 **hc06_ptr, u8 shift,
- const struct in6_addr *ipaddr,
- const unsigned char *lladdr)
+ const struct in6_addr *ipaddr,
+ const unsigned char *lladdr)
{
u8 val = 0;
@@ -530,14 +524,14 @@ static u8 lowpan_compress_addr_64(u8 **hc06_ptr, u8 shift,
*hc06_ptr += 2;
val = 2; /* 16-bits */
raw_dump_inline(NULL, "Compressed ipv6 addr is (16 bits)",
- *hc06_ptr - 2, 2);
+ *hc06_ptr - 2, 2);
} else {
/* do not compress IID => xxxx::IID */
memcpy(*hc06_ptr, &ipaddr->s6_addr16[4], 8);
*hc06_ptr += 8;
val = 1; /* 64-bits */
raw_dump_inline(NULL, "Compressed ipv6 addr is (64 bits)",
- *hc06_ptr - 8, 8);
+ *hc06_ptr - 8, 8);
}
return rol8(val, shift);
@@ -601,8 +595,8 @@ static void compress_udp_header(u8 **hc06_ptr, struct sk_buff *skb)
}
int lowpan_header_compress(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, const void *_daddr,
- const void *_saddr, unsigned int len)
+ unsigned short type, const void *_daddr,
+ const void *_saddr, unsigned int len)
{
u8 tmp, iphc0, iphc1, *hc06_ptr;
struct ipv6hdr *hdr;
@@ -616,14 +610,13 @@ int lowpan_header_compress(struct sk_buff *skb, struct net_device *dev,
pr_debug("IPv6 header dump:\n\tversion = %d\n\tlength = %d\n"
"\tnexthdr = 0x%02x\n\thop_lim = %d\n\tdest = %pI6c\n",
- hdr->version, ntohs(hdr->payload_len), hdr->nexthdr,
- hdr->hop_limit, &hdr->daddr);
+ hdr->version, ntohs(hdr->payload_len), hdr->nexthdr,
+ hdr->hop_limit, &hdr->daddr);
raw_dump_table(__func__, "raw skb network header dump",
- skb_network_header(skb), sizeof(struct ipv6hdr));
+ skb_network_header(skb), sizeof(struct ipv6hdr));
- /*
- * As we copy some bit-length fields, in the IPHC encoding bytes,
+ /* As we copy some bit-length fields, in the IPHC encoding bytes,
* we sometimes use |=
* If the field is 0, and the current bit value in memory is 1,
* this does not work. We therefore reset the IPHC encoding here
@@ -639,11 +632,10 @@ int lowpan_header_compress(struct sk_buff *skb, struct net_device *dev,
(unsigned char *)_daddr, IEEE802154_ADDR_LEN);
raw_dump_table(__func__,
- "sending raw skb network uncompressed packet",
- skb->data, skb->len);
+ "sending raw skb network uncompressed packet",
+ skb->data, skb->len);
- /*
- * Traffic class, flow label
+ /* Traffic class, flow label
* If flow label is 0, compress it. If traffic class is 0, compress it
* We have to process both in the same time as the offset of traffic
* class depends on the presence of version and flow label
@@ -654,11 +646,11 @@ int lowpan_header_compress(struct sk_buff *skb, struct net_device *dev,
tmp = ((tmp & 0x03) << 6) | (tmp >> 2);
if (((hdr->flow_lbl[0] & 0x0F) == 0) &&
- (hdr->flow_lbl[1] == 0) && (hdr->flow_lbl[2] == 0)) {
+ (hdr->flow_lbl[1] == 0) && (hdr->flow_lbl[2] == 0)) {
/* flow label can be compressed */
iphc0 |= LOWPAN_IPHC_FL_C;
if ((hdr->priority == 0) &&
- ((hdr->flow_lbl[0] & 0xF0) == 0)) {
+ ((hdr->flow_lbl[0] & 0xF0) == 0)) {
/* compress (elide) all */
iphc0 |= LOWPAN_IPHC_TC_C;
} else {
@@ -669,7 +661,7 @@ int lowpan_header_compress(struct sk_buff *skb, struct net_device *dev,
} else {
/* Flow label cannot be compressed */
if ((hdr->priority == 0) &&
- ((hdr->flow_lbl[0] & 0xF0) == 0)) {
+ ((hdr->flow_lbl[0] & 0xF0) == 0)) {
/* compress only traffic class */
iphc0 |= LOWPAN_IPHC_TC_C;
*hc06_ptr = (tmp & 0xc0) | (hdr->flow_lbl[0] & 0x0F);
@@ -695,8 +687,7 @@ int lowpan_header_compress(struct sk_buff *skb, struct net_device *dev,
hc06_ptr += 1;
}
- /*
- * Hop limit
+ /* Hop limit
* if 1: compress, encoding is 01
* if 64: compress, encoding is 10
* if 255: compress, encoding is 11
@@ -793,7 +784,7 @@ int lowpan_header_compress(struct sk_buff *skb, struct net_device *dev,
pr_debug("header len %d skb %u\n", (int)(hc06_ptr - head), skb->len);
raw_dump_table(__func__, "raw skb data dump compressed",
- skb->data, skb->len);
+ skb->data, skb->len);
return 0;
}
EXPORT_SYMBOL_GPL(lowpan_header_compress);
@@ -80,14 +80,14 @@ lowpan_dev_info *lowpan_dev_info(const struct net_device *dev)
static inline void lowpan_address_flip(u8 *src, u8 *dest)
{
int i;
+
for (i = 0; i < IEEE802154_ADDR_LEN; i++)
(dest)[IEEE802154_ADDR_LEN - i - 1] = (src)[i];
}
-static int lowpan_header_create(struct sk_buff *skb,
- struct net_device *dev,
- unsigned short type, const void *_daddr,
- const void *_saddr, unsigned int len)
+static int lowpan_header_create(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, const void *_daddr,
+ const void *_saddr, unsigned int len)
{
const u8 *saddr = _saddr;
const u8 *daddr = _daddr;
@@ -144,7 +144,7 @@ static int lowpan_header_create(struct sk_buff *skb,
}
static int lowpan_give_skb_to_devices(struct sk_buff *skb,
- struct net_device *dev)
+ struct net_device *dev)
{
struct lowpan_dev_record *entry;
struct sk_buff *skb_cp;
@@ -368,24 +368,28 @@ static netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev)
static struct wpan_phy *lowpan_get_phy(const struct net_device *dev)
{
struct net_device *real_dev = lowpan_dev_info(dev)->real_dev;
+
return ieee802154_mlme_ops(real_dev)->get_phy(real_dev);
}
static __le16 lowpan_get_pan_id(const struct net_device *dev)
{
struct net_device *real_dev = lowpan_dev_info(dev)->real_dev;
+
return ieee802154_mlme_ops(real_dev)->get_pan_id(real_dev);
}
static __le16 lowpan_get_short_addr(const struct net_device *dev)
{
struct net_device *real_dev = lowpan_dev_info(dev)->real_dev;
+
return ieee802154_mlme_ops(real_dev)->get_short_addr(real_dev);
}
static u8 lowpan_get_dsn(const struct net_device *dev)
{
struct net_device *real_dev = lowpan_dev_info(dev)->real_dev;
+
return ieee802154_mlme_ops(real_dev)->get_dsn(real_dev);
}
@@ -454,7 +458,7 @@ static int lowpan_validate(struct nlattr *tb[], struct nlattr *data[])
}
static int lowpan_rcv(struct sk_buff *skb, struct net_device *dev,
- struct packet_type *pt, struct net_device *orig_dev)
+ struct packet_type *pt, struct net_device *orig_dev)
{
struct ieee802154_hdr hdr;
int ret;
@@ -40,9 +40,7 @@
#include "af802154.h"
-/*
- * Utility function for families
- */
+/* Utility function for families */
struct net_device*
ieee802154_get_dev(struct net *net, const struct ieee802154_addr *addr)
{
@@ -87,8 +85,8 @@ ieee802154_get_dev(struct net *net, const struct ieee802154_addr *addr)
rtnl_unlock();
break;
default:
- pr_warning("Unsupported ieee802154 address type: %d\n",
- addr->mode);
+ pr_warn("Unsupported ieee802154 address type: %d\n",
+ addr->mode);
break;
}
@@ -106,7 +104,7 @@ static int ieee802154_sock_release(struct socket *sock)
return 0;
}
static int ieee802154_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
- struct msghdr *msg, size_t len)
+ struct msghdr *msg, size_t len)
{
struct sock *sk = sock->sk;
@@ -114,7 +112,7 @@ static int ieee802154_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
}
static int ieee802154_sock_bind(struct socket *sock, struct sockaddr *uaddr,
- int addr_len)
+ int addr_len)
{
struct sock *sk = sock->sk;
@@ -125,7 +123,7 @@ static int ieee802154_sock_bind(struct socket *sock, struct sockaddr *uaddr,
}
static int ieee802154_sock_connect(struct socket *sock, struct sockaddr *uaddr,
- int addr_len, int flags)
+ int addr_len, int flags)
{
struct sock *sk = sock->sk;
@@ -139,7 +137,7 @@ static int ieee802154_sock_connect(struct socket *sock, struct sockaddr *uaddr,
}
static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg,
- unsigned int cmd)
+ unsigned int cmd)
{
struct ifreq ifr;
int ret = -ENOIOCTLCMD;
@@ -167,7 +165,7 @@ static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg,
}
static int ieee802154_sock_ioctl(struct socket *sock, unsigned int cmd,
- unsigned long arg)
+ unsigned long arg)
{
struct sock *sk = sock->sk;
@@ -238,8 +236,7 @@ static const struct proto_ops ieee802154_dgram_ops = {
};
-/*
- * Create a socket. Initialise the socket, blank the addresses
+/* Create a socket. Initialise the socket, blank the addresses
* set the state.
*/
static int ieee802154_create(struct net *net, struct socket *sock,
@@ -301,13 +298,14 @@ static const struct net_proto_family ieee802154_family_ops = {
};
static int ieee802154_rcv(struct sk_buff *skb, struct net_device *dev,
- struct packet_type *pt, struct net_device *orig_dev)
+ struct packet_type *pt, struct net_device *orig_dev)
{
if (!netif_running(dev))
goto drop;
pr_debug("got frame, type %d, dev %p\n", dev->type, dev);
#ifdef DEBUG
- print_hex_dump_bytes("ieee802154_rcv ", DUMP_PREFIX_NONE, skb->data, skb->len);
+ print_hex_dump_bytes("ieee802154_rcv ",
+ DUMP_PREFIX_NONE, skb->data, skb->len);
#endif
if (!net_eq(dev_net(dev), &init_net))
@@ -149,8 +149,7 @@ static int dgram_ioctl(struct sock *sk, int cmd, unsigned long arg)
spin_lock_bh(&sk->sk_receive_queue.lock);
skb = skb_peek(&sk->sk_receive_queue);
if (skb != NULL) {
- /*
- * We will only return the amount
+ /* We will only return the amount
* of this packet since that is all
* that will be read.
*/
@@ -161,12 +160,13 @@ static int dgram_ioctl(struct sock *sk, int cmd, unsigned long arg)
}
}
+
return -ENOIOCTLCMD;
}
/* FIXME: autobind */
static int dgram_connect(struct sock *sk, struct sockaddr *uaddr,
- int len)
+ int len)
{
struct sockaddr_ieee802154 *addr = (struct sockaddr_ieee802154 *)uaddr;
struct dgram_sock *ro = dgram_sk(sk);
@@ -205,7 +205,7 @@ static int dgram_disconnect(struct sock *sk, int flags)
}
static int dgram_sendmsg(struct kiocb *iocb, struct sock *sk,
- struct msghdr *msg, size_t size)
+ struct msghdr *msg, size_t size)
{
struct net_device *dev;
unsigned int mtu;
@@ -248,8 +248,8 @@ static int dgram_sendmsg(struct kiocb *iocb, struct sock *sk,
hlen = LL_RESERVED_SPACE(dev);
tlen = dev->needed_tailroom;
skb = sock_alloc_send_skb(sk, hlen + tlen + size,
- msg->msg_flags & MSG_DONTWAIT,
- &err);
+ msg->msg_flags & MSG_DONTWAIT,
+ &err);
if (!skb)
goto out_dev;
@@ -262,7 +262,8 @@ static int dgram_sendmsg(struct kiocb *iocb, struct sock *sk,
cb->ackreq = ro->want_ack;
if (msg->msg_name) {
- DECLARE_SOCKADDR(struct sockaddr_ieee802154*, daddr, msg->msg_name);
+ DECLARE_SOCKADDR(struct sockaddr_ieee802154*,
+ daddr, msg->msg_name);
ieee802154_addr_from_sa(&dst_addr, &daddr->addr);
} else {
@@ -304,8 +305,8 @@ out:
}
static int dgram_recvmsg(struct kiocb *iocb, struct sock *sk,
- struct msghdr *msg, size_t len, int noblock, int flags,
- int *addr_len)
+ struct msghdr *msg, size_t len, int noblock,
+ int flags, int *addr_len)
{
size_t copied = 0;
int err = -EOPNOTSUPP;
@@ -398,6 +399,7 @@ int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb)
dgram_sk(sk))) {
if (prev) {
struct sk_buff *clone;
+
clone = skb_clone(skb, GFP_ATOMIC);
if (clone)
dgram_rcv_skb(prev, clone);
@@ -407,9 +409,9 @@ int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb)
}
}
- if (prev)
+ if (prev) {
dgram_rcv_skb(prev, skb);
- else {
+ } else {
kfree_skb(skb);
ret = NET_RX_DROP;
}
@@ -419,7 +421,7 @@ int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb)
}
static int dgram_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen)
+ char __user *optval, int __user *optlen)
{
struct dgram_sock *ro = dgram_sk(sk);
@@ -463,7 +465,7 @@ static int dgram_getsockopt(struct sock *sk, int level, int optname,
}
static int dgram_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
+ char __user *optval, unsigned int optlen)
{
struct dgram_sock *ro = dgram_sk(sk);
struct net *net = sock_net(sk);
@@ -43,7 +43,7 @@ struct genl_info;
struct sk_buff *ieee802154_nl_create(int flags, u8 req);
int ieee802154_nl_mcast(struct sk_buff *msg, unsigned int group);
struct sk_buff *ieee802154_nl_new_reply(struct genl_info *info,
- int flags, u8 req);
+ int flags, u8 req);
int ieee802154_nl_reply(struct sk_buff *msg, struct genl_info *info);
extern struct genl_family nl802154_family;
@@ -52,7 +52,7 @@ struct sk_buff *ieee802154_nl_create(int flags, u8 req)
spin_lock_irqsave(&ieee802154_seq_lock, f);
hdr = genlmsg_put(msg, 0, ieee802154_seq_num++,
- &nl802154_family, flags, req);
+ &nl802154_family, flags, req);
spin_unlock_irqrestore(&ieee802154_seq_lock, f);
if (!hdr) {
nlmsg_free(msg);
@@ -86,7 +86,7 @@ struct sk_buff *ieee802154_nl_new_reply(struct genl_info *info,
return NULL;
hdr = genlmsg_put_reply(msg, info,
- &nl802154_family, flags, req);
+ &nl802154_family, flags, req);
if (!hdr) {
nlmsg_free(msg);
return NULL;
@@ -60,7 +60,8 @@ static __le16 nla_get_shortaddr(const struct nlattr *nla)
}
int ieee802154_nl_assoc_indic(struct net_device *dev,
- struct ieee802154_addr *addr, u8 cap)
+ struct ieee802154_addr *addr,
+ u8 cap)
{
struct sk_buff *msg;
@@ -93,7 +94,7 @@ nla_put_failure:
EXPORT_SYMBOL(ieee802154_nl_assoc_indic);
int ieee802154_nl_assoc_confirm(struct net_device *dev, __le16 short_addr,
- u8 status)
+ u8 status)
{
struct sk_buff *msg;
@@ -119,7 +120,8 @@ nla_put_failure:
EXPORT_SYMBOL(ieee802154_nl_assoc_confirm);
int ieee802154_nl_disassoc_indic(struct net_device *dev,
- struct ieee802154_addr *addr, u8 reason)
+ struct ieee802154_addr *addr,
+ u8 reason)
{
struct sk_buff *msg;
@@ -205,8 +207,9 @@ nla_put_failure:
EXPORT_SYMBOL(ieee802154_nl_beacon_indic);
int ieee802154_nl_scan_confirm(struct net_device *dev,
- u8 status, u8 scan_type, u32 unscanned, u8 page,
- u8 *edl/* , struct list_head *pan_desc_list */)
+ u8 status, u8 scan_type,
+ u32 unscanned, u8 page,
+ u8 *edl/* , struct list_head *pan_desc_list */)
{
struct sk_buff *msg;
@@ -260,7 +263,7 @@ nla_put_failure:
EXPORT_SYMBOL(ieee802154_nl_start_confirm);
static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 portid,
- u32 seq, int flags, struct net_device *dev)
+ u32 seq, int flags, struct net_device *dev)
{
void *hdr;
struct wpan_phy *phy;
@@ -270,7 +273,7 @@ static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 portid,
pr_debug("%s\n", __func__);
hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags,
- IEEE802154_LIST_IFACE);
+ IEEE802154_LIST_IFACE);
if (!hdr)
goto out;
@@ -330,14 +333,16 @@ static struct net_device *ieee802154_nl_get_dev(struct genl_info *info)
if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
char name[IFNAMSIZ + 1];
+
nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME],
- sizeof(name));
+ sizeof(name));
dev = dev_get_by_name(&init_net, name);
- } else if (info->attrs[IEEE802154_ATTR_DEV_INDEX])
+ } else if (info->attrs[IEEE802154_ATTR_DEV_INDEX]) {
dev = dev_get_by_index(&init_net,
nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX]));
- else
+ } else {
return NULL;
+ }
if (!dev)
return NULL;
@@ -435,7 +440,7 @@ int ieee802154_disassociate_req(struct sk_buff *skb, struct genl_info *info)
int ret = -EOPNOTSUPP;
if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] &&
- !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) ||
+ !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) ||
!info->attrs[IEEE802154_ATTR_REASON])
return -EINVAL;
@@ -464,8 +469,7 @@ out:
return ret;
}
-/*
- * PANid, channel, beacon_order = 15, superframe_order = 15,
+/* PANid, channel, beacon_order = 15, superframe_order = 15,
* PAN_coordinator, battery_life_extension = 0,
* coord_realignment = 0, security_enable = 0
*/
@@ -559,8 +563,8 @@ int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info)
page = 0;
- ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels, page,
- duration);
+ ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels,
+ page, duration);
out:
dev_put(dev);
@@ -570,7 +574,8 @@ out:
int ieee802154_list_iface(struct sk_buff *skb, struct genl_info *info)
{
/* Request for interface name, index, type, IEEE address,
- PAN Id, short address */
+ * PAN Id, short address
+ */
struct sk_buff *msg;
struct net_device *dev = NULL;
int rc = -ENOBUFS;
@@ -586,7 +591,7 @@ int ieee802154_list_iface(struct sk_buff *skb, struct genl_info *info)
goto out_dev;
rc = ieee802154_nl_fill_iface(msg, info->snd_portid, info->snd_seq,
- 0, dev);
+ 0, dev);
if (rc < 0)
goto out_free;
@@ -598,7 +603,6 @@ out_free:
out_dev:
dev_put(dev);
return rc;
-
}
int ieee802154_dump_iface(struct sk_buff *skb, struct netlink_callback *cb)
@@ -616,7 +620,8 @@ int ieee802154_dump_iface(struct sk_buff *skb, struct netlink_callback *cb)
goto cont;
if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).portid,
- cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0)
+ cb->nlh->nlmsg_seq,
+ NLM_F_MULTI, dev) < 0)
break;
cont:
idx++;
@@ -765,6 +770,7 @@ ieee802154_llsec_parse_key_id(struct genl_info *info,
case IEEE802154_SCF_KEY_SHORT_INDEX:
{
u32 source = nla_get_u32(info->attrs[IEEE802154_ATTR_LLSEC_KEY_SOURCE_SHORT]);
+
desc->short_source = cpu_to_le32(source);
break;
}
@@ -842,7 +848,7 @@ int ieee802154_llsec_getparams(struct sk_buff *skb, struct genl_info *info)
goto out_dev;
hdr = genlmsg_put(msg, 0, info->snd_seq, &nl802154_family, 0,
- IEEE802154_LLSEC_GETPARAMS);
+ IEEE802154_LLSEC_GETPARAMS);
if (!hdr)
goto out_free;
@@ -946,7 +952,7 @@ struct llsec_dump_data {
static int
ieee802154_llsec_dump_table(struct sk_buff *skb, struct netlink_callback *cb,
- int (*step)(struct llsec_dump_data*))
+ int (*step)(struct llsec_dump_data *))
{
struct net *net = sock_net(skb->sk);
struct net_device *dev;
@@ -36,7 +36,7 @@
#include "ieee802154.h"
static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 portid,
- u32 seq, int flags, struct wpan_phy *phy)
+ u32 seq, int flags, struct wpan_phy *phy)
{
void *hdr;
int i, pages = 0;
@@ -48,7 +48,7 @@ static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 portid,
return -EMSGSIZE;
hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags,
- IEEE802154_LIST_PHY);
+ IEEE802154_LIST_PHY);
if (!hdr)
goto out;
@@ -80,7 +80,8 @@ out:
int ieee802154_list_phy(struct sk_buff *skb, struct genl_info *info)
{
/* Request for interface name, index, type, IEEE address,
- PAN Id, short address */
+ * PAN Id, short address
+ */
struct sk_buff *msg;
struct wpan_phy *phy;
const char *name;
@@ -105,7 +106,7 @@ int ieee802154_list_phy(struct sk_buff *skb, struct genl_info *info)
goto out_dev;
rc = ieee802154_nl_fill_phy(msg, info->snd_portid, info->snd_seq,
- 0, phy);
+ 0, phy);
if (rc < 0)
goto out_free;
@@ -117,7 +118,6 @@ out_free:
out_dev:
wpan_phy_put(phy);
return rc;
-
}
struct dump_phy_data {
@@ -137,10 +137,10 @@ static int ieee802154_dump_phy_iter(struct wpan_phy *phy, void *_data)
return 0;
rc = ieee802154_nl_fill_phy(data->skb,
- NETLINK_CB(data->cb->skb).portid,
- data->cb->nlh->nlmsg_seq,
- NLM_F_MULTI,
- phy);
+ NETLINK_CB(data->cb->skb).portid,
+ data->cb->nlh->nlmsg_seq,
+ NLM_F_MULTI,
+ phy);
if (rc < 0) {
data->idx--;
@@ -238,10 +238,9 @@ int ieee802154_add_iface(struct sk_buff *skb, struct genl_info *info)
addr.sa_family = ARPHRD_IEEE802154;
nla_memcpy(&addr.sa_data, info->attrs[IEEE802154_ATTR_HW_ADDR],
- IEEE802154_ADDR_LEN);
+ IEEE802154_ADDR_LEN);
- /*
- * strangely enough, some callbacks (inetdev_event) from
+ /* strangely enough, some callbacks (inetdev_event) from
* dev_set_mac_address require RTNL_LOCK
*/
rtnl_lock();
@@ -96,7 +96,7 @@ out:
}
static int raw_connect(struct sock *sk, struct sockaddr *uaddr,
- int addr_len)
+ int addr_len)
{
return -ENOTSUPP;
}
@@ -106,8 +106,8 @@ static int raw_disconnect(struct sock *sk, int flags)
return 0;
}
-static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
- size_t size)
+static int raw_sendmsg(struct kiocb *iocb, struct sock *sk,
+ struct msghdr *msg, size_t size)
{
struct net_device *dev;
unsigned int mtu;
@@ -145,7 +145,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
hlen = LL_RESERVED_SPACE(dev);
tlen = dev->needed_tailroom;
skb = sock_alloc_send_skb(sk, hlen + tlen + size,
- msg->msg_flags & MSG_DONTWAIT, &err);
+ msg->msg_flags & MSG_DONTWAIT, &err);
if (!skb)
goto out_dev;
@@ -235,7 +235,6 @@ void ieee802154_raw_deliver(struct net_device *dev, struct sk_buff *skb)
bh_lock_sock(sk);
if (!sk->sk_bound_dev_if ||
sk->sk_bound_dev_if == dev->ifindex) {
-
struct sk_buff *clone;
clone = skb_clone(skb, GFP_ATOMIC);
@@ -248,13 +247,13 @@ void ieee802154_raw_deliver(struct net_device *dev, struct sk_buff *skb)
}
static int raw_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen)
+ char __user *optval, int __user *optlen)
{
return -EOPNOTSUPP;
}
static int raw_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
+ char __user *optval, unsigned int optlen)
{
return -EOPNOTSUPP;
}
@@ -274,4 +273,3 @@ struct proto ieee802154_raw_prot = {
.getsockopt = raw_getsockopt,
.setsockopt = raw_setsockopt,
};
-
@@ -378,6 +378,7 @@ int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type)
fq = fq_find(net, frag_info, &source, &dest);
if (fq != NULL) {
int ret;
+
spin_lock(&fq->q.lock);
ret = lowpan_frag_queue(fq, skb, frag_type);
spin_unlock(&fq->q.lock);
@@ -48,7 +48,8 @@ MASTER_SHOW(transmit_power, "%d +- 1 dB");
MASTER_SHOW(cca_mode, "%d");
static ssize_t channels_supported_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+ struct device_attribute *attr,
+ char *buf)
{
struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev);
int ret;
@@ -57,7 +58,7 @@ static ssize_t channels_supported_show(struct device *dev,
mutex_lock(&phy->pib_lock);
for (i = 0; i < 32; i++) {
ret = snprintf(buf + len, PAGE_SIZE - len,
- "%#09x\n", phy->channels_supported[i]);
+ "%#09x\n", phy->channels_supported[i]);
if (ret < 0)
break;
len += ret;
@@ -80,6 +81,7 @@ ATTRIBUTE_GROUPS(pmib);
static void wpan_phy_release(struct device *d)
{
struct wpan_phy *phy = container_of(d, struct wpan_phy, dev);
+
kfree(phy);
}
@@ -121,11 +123,12 @@ static int wpan_phy_iter(struct device *dev, void *_data)
{
struct wpan_phy_iter_data *wpid = _data;
struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev);
+
return wpid->fn(phy, wpid->data);
}
int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data),
- void *data)
+ void *data)
{
struct wpan_phy_iter_data wpid = {
.fn = fn,
@@ -197,6 +200,7 @@ EXPORT_SYMBOL(wpan_phy_free);
static int __init wpan_phy_class_init(void)
{
int rc;
+
rc = class_register(&wpan_phy_class);
if (rc)
goto err;
@@ -143,6 +143,7 @@ static void
mac802154_del_iface(struct wpan_phy *phy, struct net_device *dev)
{
struct mac802154_sub_if_data *sdata;
+
ASSERT_RTNL();
sdata = netdev_priv(dev);
@@ -276,7 +277,8 @@ ieee802154_alloc_device(size_t priv_data_len, struct ieee802154_ops *ops)
}
priv = wpan_phy_priv(phy);
- priv->hw.phy = priv->phy = phy;
+ priv->phy = phy;
+ priv->hw.phy = priv->phy;
priv->hw.priv = (char *)priv + ALIGN(sizeof(*priv), NETDEV_ALIGN);
priv->ops = ops;
@@ -538,6 +538,7 @@ static int llsec_recover_addr(struct mac802154_llsec *sec,
struct ieee802154_addr *addr)
{
__le16 caddr = sec->params.coord_shortaddr;
+
addr->pan_id = sec->params.pan_id;
if (caddr == cpu_to_le16(IEEE802154_ADDR_BROADCAST)) {
@@ -175,9 +175,9 @@ static void phy_chan_notify(struct work_struct *work)
mutex_lock(&priv->hw->phy->pib_lock);
res = hw->ops->set_channel(&hw->hw, priv->page, priv->chan);
- if (res)
+ if (res) {
pr_debug("set_channel failed\n");
- else {
+ } else {
priv->hw->phy->current_channel = priv->chan;
priv->hw->phy->current_page = priv->page;
}
@@ -210,8 +210,9 @@ void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan)
INIT_WORK(&work->work, phy_chan_notify);
work->dev = dev;
queue_work(priv->hw->dev_workqueue, &work->work);
- } else
+ } else {
mutex_unlock(&priv->hw->phy->pib_lock);
+ }
}
@@ -98,6 +98,7 @@ netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
if (!(priv->hw.flags & IEEE802154_HW_OMIT_CKSUM)) {
u16 crc = crc_ccitt(0, skb->data, skb->len);
u8 *data = skb_put(skb, 2);
+
data[0] = crc & 0xff;
data[1] = crc >> 8;
}
This patch fixed the coding style issues reported by checkpatch.pl following issues fixed: CHECK: Alignment should match open parenthesis WARNING: line over 80 characters CHECK: Blank lines aren't necessary before a close brace '}' WARNING: networking block comments don't use an empty /* line, use /* Comment... WARNING: Missing a blank line after declarations WARNING: networking block comments start with * on subsequent lines CHECK: braces {} should be used on all arms of this statement Signed-off-by: Varka Bhadram <varkab@cdac.in> Tested-by: Alexander Aring <alex.aring@gmail.com> --- net/ieee802154/6lowpan_iphc.c | 113 ++++++++++++++++++---------------------- net/ieee802154/6lowpan_rtnl.c | 16 +++--- net/ieee802154/af_ieee802154.c | 26 +++++---- net/ieee802154/dgram.c | 28 +++++----- net/ieee802154/ieee802154.h | 2 +- net/ieee802154/netlink.c | 4 +- net/ieee802154/nl-mac.c | 48 +++++++++-------- net/ieee802154/nl-phy.c | 23 ++++---- net/ieee802154/raw.c | 14 +++-- net/ieee802154/reassembly.c | 1 + net/ieee802154/wpan-class.c | 10 ++-- net/mac802154/ieee802154_dev.c | 4 +- net/mac802154/llsec.c | 1 + net/mac802154/mib.c | 7 +-- net/mac802154/tx.c | 1 + 15 files changed, 153 insertions(+), 145 deletions(-)