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| author | Martin Townsend <mtownsend1973@gmail.com> | 2014-10-23 15:40:53 +0100 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-10-27 15:51:15 +0100 |
| commit | f8b361768ea2eaf9b21dfbe7388958ec31798c8b (patch) | |
| tree | e2b9ea93b72fbf33d6f9ee84a7fc63edfaba8c92 /net/6lowpan | |
| parent | f81f466ca588a5bd868008154050305481f241d4 (diff) | |
| download | linux-f8b361768ea2eaf9b21dfbe7388958ec31798c8b.tar.gz linux-f8b361768ea2eaf9b21dfbe7388958ec31798c8b.tar.bz2 linux-f8b361768ea2eaf9b21dfbe7388958ec31798c8b.zip | |
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.c | 32 |
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; |