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2014-07-306lowpan: iphc: Fix parenthesis alignments which off-by-oneMarcel Holtmann1-3/+3
CHECK: Alignment should match open parenthesis + if (((hdr->flow_lbl[0] & 0x0F) == 0) && + (hdr->flow_lbl[1] == 0) && (hdr->flow_lbl[2] == 0)) { CHECK: Alignment should match open parenthesis + if ((hdr->priority == 0) && + ((hdr->flow_lbl[0] & 0xF0) == 0)) { CHECK: Alignment should match open parenthesis + if ((hdr->priority == 0) && + ((hdr->flow_lbl[0] & 0xF0) == 0)) { Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2014-07-306lowpan: iphc: Fix missing braces for if statementMarcel Holtmann1-2/+2
CHECK: braces {} should be used on all arms of this statement + if ((iphc0 & 0x03) != LOWPAN_IPHC_TTL_I) [...] + else { [...] Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2014-07-306lowpan: iphc: Fix missing blank line after variable declarationsMarcel Holtmann1-0/+1
WARNING: Missing a blank line after declarations + struct sk_buff *new; + if (uncompress_udp_header(skb, &uh)) Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2014-07-306lowpan: iphc: Fix issues with alignment matching open parenthesisMarcel Holtmann1-39/+35
This patch fixes all the issues with alignment matching of open parenthesis found by checkpatch.pl and makes them follow the network coding style now. CHECK: Alignment should match open parenthesis +static int uncompress_addr(struct sk_buff *skb, + struct in6_addr *ipaddr, const u8 address_mode, CHECK: Alignment should match open parenthesis +static int uncompress_context_based_src_addr(struct sk_buff *skb, + struct in6_addr *ipaddr, CHECK: Alignment should match open parenthesis +static int skb_deliver(struct sk_buff *skb, struct ipv6hdr *hdr, + struct net_device *dev, skb_delivery_cb deliver_skb) CHECK: Alignment should match open parenthesis + new = skb_copy_expand(skb, sizeof(struct ipv6hdr), skb_tailroom(skb), + GFP_ATOMIC); CHECK: Alignment should match open parenthesis + raw_dump_table(__func__, "raw skb data dump before receiving", + new->data, new->len); CHECK: Alignment should match open parenthesis +lowpan_uncompress_multicast_daddr(struct sk_buff *skb, + struct in6_addr *ipaddr, CHECK: Alignment should match open parenthesis + raw_dump_inline(NULL, "Reconstructed ipv6 multicast addr is", + ipaddr->s6_addr, 16); CHECK: Alignment should match open parenthesis +int lowpan_process_data(struct sk_buff *skb, struct net_device *dev, + const u8 *saddr, const u8 saddr_type, const u8 saddr_len, CHECK: Alignment should match open parenthesis + raw_dump_table(__func__, "raw skb data dump uncompressed", + skb->data, skb->len); CHECK: Alignment should match open parenthesis + err = uncompress_addr(skb, &hdr.saddr, tmp, saddr, + saddr_type, saddr_len); CHECK: Alignment should match open parenthesis + err = uncompress_addr(skb, &hdr.daddr, tmp, daddr, + daddr_type, daddr_len); CHECK: Alignment should match open parenthesis + pr_debug("dest: stateless compression mode %d dest %pI6c\n", + tmp, &hdr.daddr); CHECK: Alignment should match open parenthesis + raw_dump_table(__func__, "raw UDP header dump", + (u8 *)&uh, sizeof(uh)); CHECK: Alignment should match open parenthesis + raw_dump_table(__func__, "raw header dump", (u8 *)&hdr, + sizeof(hdr)); CHECK: Alignment should match open parenthesis +int lowpan_header_compress(struct sk_buff *skb, struct net_device *dev, + unsigned short type, const void *_daddr, CHECK: Alignment should match open parenthesis + raw_dump_table(__func__, "raw skb network header dump", + skb_network_header(skb), sizeof(struct ipv6hdr)); CHECK: Alignment should match open parenthesis + raw_dump_table(__func__, + "sending raw skb network uncompressed packet", CHECK: Alignment should match open parenthesis + if (((hdr->flow_lbl[0] & 0x0F) == 0) && + (hdr->flow_lbl[1] == 0) && (hdr->flow_lbl[2] == 0)) { WARNING: quoted string split across lines + pr_debug("dest address unicast link-local %pI6c " + "iphc1 0x%02x\n", &hdr->daddr, iphc1); CHECK: Alignment should match open parenthesis + raw_dump_table(__func__, "raw skb data dump compressed", + skb->data, skb->len); Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2014-07-306lowpan: iphc: Fix block comments to match networking styleMarcel Holtmann1-22/+11
This patch fixes all the block comment issues found by checkpatch.pl and makes them match the network style now. WARNING: networking block comments don't use an empty /* line, use /* Comment... +/* + * Based on patches from Jon Smirl <jonsmirl@gmail.com> WARNING: networking block comments don't use an empty /* line, use /* Comment... +/* + * Uncompress address function for source and WARNING: networking block comments don't use an empty /* line, use /* Comment... +/* + * Uncompress address function for source context WARNING: networking block comments don't use an empty /* line, use /* Comment... + /* + * UDP lenght needs to be infered from the lower layers WARNING: networking block comments don't use an empty /* line, use /* Comment... + /* + * Traffic Class and FLow Label carried in-line WARNING: networking block comments don't use an empty /* line, use /* Comment... + /* + * Traffic class carried in-line WARNING: networking block comments don't use an empty /* line, use /* Comment... + /* + * Flow Label carried in-line WARNING: networking block comments don't use an empty /* line, use /* Comment... + /* + * replace the compressed UDP head by the uncompressed UDP WARNING: networking block comments don't use an empty /* line, use /* Comment... + /* + * As we copy some bit-length fields, in the IPHC encoding bytes, WARNING: networking block comments don't use an empty /* line, use /* Comment... + /* + * Traffic class, flow label WARNING: networking block comments don't use an empty /* line, use /* Comment... + /* + * Hop limit Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2014-07-306lowpan: iphc: remove check on nullAlexander Aring1-3/+0
This memory is placed on stack and can't be null so remove the check on null. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-07-306lowpan: iphc: use ipv6 api to check address scopeAlexander Aring1-12/+17
This patch removes the own implementation to check of link-layer, broadcast and any address type and use the IPv6 api for that. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-07-306lowpan: iphc: cleanup use of lowpan_push_hc_dataAlexander Aring1-25/+20
This patch uses the lowpan_push_hc_data functions in several places where we can use it. The lowpan_push_hc_data was introduced in some previous patches. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-07-306lowpan: iphc: cleanup use of lowpan_fetch_skbAlexander Aring1-6/+7
We introduced the lowpan_fetch_skb function in some previous patches for 6lowpan to have a generic fetch function. This patch drops the old function and use the generic lowpan_fetch_skb one. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-07-306lowpan: iphc: use sizeof in udp uncompressionAlexander Aring1-9/+14
Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-07-306lowpan: iphc: rename hc06_ptr pointer to hc_ptrAlexander Aring1-56/+56
The hc06_ptr pointer variable stands for header compression draft-06. We are mostly rfc complaint. This patch rename the variable to normal hc_ptr. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-07-126lowpan: introduce new net/6lowpan directoryAlexander Aring3-0/+810
This patch moves generic code which is used by bluetooth and ieee802154 6lowpan to a new net/6lowpan directory. This directory contains generic 6LoWPAN code which is shared between bluetooth and ieee802154 MAC-Layer. This is the IPHC - "IPv6 Header Compression" format at the moment. Which is described by RFC 6282 [0]. The BLTE 6LoWPAN draft describes that the IPHC is the same format like IEEE 802.15.4, see [1]. Futuremore we can put more code into this directory which is shared between BLTE and IEEE 802.15.4 6LoWPAN like RFC 6775 or the routing protocol RPL RFC 6550. To avoid naming conflicts I renamed 6lowpan-y to ieee802154_6lowpan-y in net/ieee802154/Makefile. [0] http://tools.ietf.org/html/rfc6282 [1] http://tools.ietf.org/html/draft-ietf-6lowpan-btle-12#section-3.2 [2] http://tools.ietf.org/html/rfc6775 [3] http://tools.ietf.org/html/rfc6550 Signed-off-by: Alexander Aring <alex.aring@gmail.com> Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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