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authorMartin Townsend <mtownsend1973@gmail.com>2014-10-23 15:40:53 +0100
committerMarcel Holtmann <marcel@holtmann.org>2014-10-27 15:51:15 +0100
commitf8b361768ea2eaf9b21dfbe7388958ec31798c8b (patch)
treee2b9ea93b72fbf33d6f9ee84a7fc63edfaba8c92 /net/6lowpan
parentf81f466ca588a5bd868008154050305481f241d4 (diff)
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6lowpan: remove skb_deliver from IPHC
Separating skb delivery from decompression ensures that we can support further decompression schemes and removes the mixed return value of error codes with NET_RX_FOO. Signed-off-by: Martin Townsend <mtownsend1973@gmail.com> Acked-by: Alexander Aring <alex.aring@gmail.com> Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/6lowpan')
-rw-r--r--net/6lowpan/iphc.c32
1 files changed, 6 insertions, 26 deletions
diff --git a/net/6lowpan/iphc.c b/net/6lowpan/iphc.c
index 747b3ccfc4f8..45714fe885f0 100644
--- a/net/6lowpan/iphc.c
+++ b/net/6lowpan/iphc.c
@@ -171,29 +171,6 @@ static int uncompress_context_based_src_addr(struct sk_buff *skb,
return 0;
}
-static int skb_deliver(struct sk_buff *skb, struct ipv6hdr *hdr,
- struct net_device *dev, skb_delivery_cb deliver_skb)
-{
- int stat;
-
- skb_push(skb, sizeof(struct ipv6hdr));
- skb_reset_network_header(skb);
- skb_copy_to_linear_data(skb, hdr, sizeof(struct ipv6hdr));
-
- skb->protocol = htons(ETH_P_IPV6);
- skb->pkt_type = PACKET_HOST;
- skb->dev = dev;
-
- raw_dump_table(__func__, "raw skb data dump before receiving",
- skb->data, skb->len);
-
- stat = deliver_skb(skb, dev);
-
- consume_skb(skb);
-
- return stat;
-}
-
/* Uncompress function for multicast destination address,
* when M bit is set.
*/
@@ -327,7 +304,7 @@ 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)
+ u8 iphc0, u8 iphc1)
{
struct ipv6hdr hdr = {};
u8 tmp, num_context = 0;
@@ -492,10 +469,13 @@ 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));
+ skb_push(skb, sizeof(hdr));
+ skb_reset_network_header(skb);
+ skb_copy_to_linear_data(skb, &hdr, sizeof(hdr));
- return skb_deliver(skb, &hdr, dev, deliver_skb);
+ raw_dump_table(__func__, "raw header dump", (u8 *)&hdr, sizeof(hdr));
+ return 0;
drop:
kfree_skb(skb);
return -EINVAL;