return skb->len + uncomp_header - ret;
}
-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);
+int
+lowpan_header_decompress(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);
int lowpan_header_compress(struct sk_buff *skb, struct net_device *dev,
unsigned short type, const void *_daddr,
const void *_saddr, unsigned int len);
/* TTL uncompression values */
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)
+int
+lowpan_header_decompress(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)
{
struct ipv6hdr hdr = {};
u8 tmp, num_context = 0;
kfree_skb(skb);
return -EINVAL;
}
-EXPORT_SYMBOL_GPL(lowpan_process_data);
+EXPORT_SYMBOL_GPL(lowpan_header_decompress);
static u8 lowpan_compress_addr_64(u8 **hc_ptr, u8 shift,
const struct in6_addr *ipaddr,
return netif_rx(skb_cp);
}
-static int process_data(struct sk_buff *skb, struct net_device *netdev,
- struct l2cap_chan *chan)
+static int iphc_decompress(struct sk_buff *skb, struct net_device *netdev,
+ struct l2cap_chan *chan)
{
const u8 *saddr, *daddr;
u8 iphc0, iphc1;
if (lowpan_fetch_skb_u8(skb, &iphc1))
goto drop;
- return lowpan_process_data(skb, netdev,
- saddr, IEEE802154_ADDR_LONG, EUI64_ADDR_LEN,
- daddr, IEEE802154_ADDR_LONG, EUI64_ADDR_LEN,
- iphc0, iphc1);
+ return lowpan_header_decompress(skb, netdev,
+ saddr, IEEE802154_ADDR_LONG,
+ EUI64_ADDR_LEN, daddr,
+ IEEE802154_ADDR_LONG, EUI64_ADDR_LEN,
+ iphc0, iphc1);
drop:
kfree_skb(skb);
if (!local_skb)
goto drop;
- ret = process_data(local_skb, dev, chan);
+ ret = iphc_decompress(local_skb, dev, chan);
if (ret < 0)
goto drop;
return stat;
}
-static int process_data(struct sk_buff *skb, const struct ieee802154_hdr *hdr)
+static int
+iphc_decompress(struct sk_buff *skb, const struct ieee802154_hdr *hdr)
{
u8 iphc0, iphc1;
struct ieee802154_addr_sa sa, da;
else
dap = &da.hwaddr;
- return lowpan_process_data(skb, skb->dev, sap, sa.addr_type,
- IEEE802154_ADDR_LEN, dap, da.addr_type,
- IEEE802154_ADDR_LEN, iphc0, iphc1);
+ return lowpan_header_decompress(skb, skb->dev, sap, sa.addr_type,
+ IEEE802154_ADDR_LEN, dap, da.addr_type,
+ IEEE802154_ADDR_LEN, iphc0, iphc1);
drop:
kfree_skb(skb);
} else {
switch (skb->data[0] & 0xe0) {
case LOWPAN_DISPATCH_IPHC: /* ipv6 datagram */
- ret = process_data(skb, &hdr);
+ ret = iphc_decompress(skb, &hdr);
if (ret < 0)
goto drop;
case LOWPAN_DISPATCH_FRAG1: /* first fragment header */
ret = lowpan_frag_rcv(skb, LOWPAN_DISPATCH_FRAG1);
if (ret == 1) {
- ret = process_data(skb, &hdr);
+ ret = iphc_decompress(skb, &hdr);
if (ret < 0)
goto drop;
case LOWPAN_DISPATCH_FRAGN: /* next fragments headers */
ret = lowpan_frag_rcv(skb, LOWPAN_DISPATCH_FRAGN);
if (ret == 1) {
- ret = process_data(skb, &hdr);
+ ret = iphc_decompress(skb, &hdr);
if (ret < 0)
goto drop;