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c12715ab3f
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Mark A. Greer c12715ab3f NFC: digital: Add NFC-DEP Receive Chaining Support 
When the peer in an NFC-DEP exchange has a
packet to send that is larger than the local
maximum payload, it sets the 'MI' bit in the
'I' PDU.  This indicates that NFC-DEP chaining
is to occur.

When such a PDU is received, the local side
responds with an 'ACK' PDU and this continues
until the peer sends an 'I' PDU with the 'MI'
bit cleared.  This indicates that the chaining
sequence is complete and the entire packet has
been transferred.

Receiving chained PDUs is currently not supported
by the digital layer so add that support.  When a
chaining sequence is initiated by the peer, the
digital layer will allocate an skb large enough
to hold 8 maximum sized frame payloads.  The maximum
payload can range from 64 to 254 bytes so 8 * 254 =
2032 seems like a reasonable compromise between
potentially wasting memory and constantly reallocating
new, larger skbs.

Reviewed-by: Thierry Escande <thierry.escande@linux.intel.com>
Tested-by: Thierry Escande <thierry.escande@linux.intel.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2014-11-28 12:39:21 +01:00
..
6lowpan 6lowpan: move skb_free from error paths in decompression 2014-11-06 22:09:48 +01:00
9p 9p/trans_virtio: enable VQs early 2014-10-15 10:25:04 +10:30
802 net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
8021q net: better IFF_XMIT_DST_RELEASE support 2014-10-07 13:22:11 -04:00
appletalk Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-07-16 14:09:34 -07:00
atm net: better IFF_XMIT_DST_RELEASE support 2014-10-07 13:22:11 -04:00
ax25
batman-adv batman-adv: replace strnicmp with strncasecmp 2014-10-14 02:18:24 +02:00
bluetooth Bluetooth: Call drain_workqueue() before resetting state 2014-11-18 08:32:08 +01:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-10-08 16:22:22 -04:00
caif caif_usb: use target structure member in memset 2014-10-14 16:05:45 -04:00
can
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2014-10-15 06:46:01 +02:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-10-18 09:31:37 -07:00
dcb dcbnl : Fix misleading dcb_app->priority explanation 2014-07-30 17:21:05 -07:00
dccp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-10-18 09:31:37 -07:00
decnet af_decnet: Use time_after_eq 2014-08-22 12:23:11 -07:00
dns_resolver Merge commit 'v3.16' into next 2014-10-01 00:44:04 +10:00
dsa Net: DSA: Fix checking for get_phy_flags function 2014-10-19 12:46:31 -04:00
ethernet net: Add function for parsing the header length out of linear ethernet frames 2014-09-05 17:47:02 -07:00
hsr net/hsr: Remove left-over never-true conditional code. 2014-07-11 15:04:40 -07:00
ieee802154 ieee802154: fix byteorder for short address and panid 2014-11-17 09:49:17 +01:00
ipv4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-10-19 11:41:57 -07:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-10-19 11:41:57 -07:00
ipx net: Split sk_no_check into sk_no_check_{rx,tx} 2014-05-23 16:28:53 -04:00
irda irda: add __init to irlan_open 2014-09-30 17:08:06 -04:00
iucv iucv: Convert pr_warning to pr_warn 2014-09-10 12:40:10 -07:00
key af_key: remove unnecessary break after return 2014-07-15 16:27:00 -07:00
l2tp l2tp: Refactor l2tp core driver to make use of the common UDP tunnel functions 2014-09-19 15:57:15 -04:00
lapb
llc net_dma: simple removal 2014-09-28 07:05:16 -07:00
mac80211 It has been a while since my last pull request, so we accumulated 2014-11-20 16:09:30 -05:00
mac802154 ieee802154: fix byteorder for short address and panid 2014-11-17 09:49:17 +01:00
mpls net: Remove gso_send_check as an offload callback 2014-09-26 00:22:47 -04:00
netfilter netfilter: replace strnicmp with strncasecmp 2014-10-14 02:18:24 +02:00
netlabel netlabel: kernel-doc warning fix 2014-10-09 01:40:05 -04:00
netlink fix misuses of f_count() in ppp and netlink 2014-10-09 02:39:17 -04:00
netrom netrom: use linux/uaccess.h 2014-10-17 23:52:54 -04:00
nfc NFC: digital: Add NFC-DEP Receive Chaining Support 2014-11-28 12:39:21 +01:00
openvswitch openvswitch: Set flow-key members. 2014-10-17 23:54:02 -04:00
packet net: Pass a "more" indication down into netdev_start_xmit() code paths. 2014-09-01 17:39:55 -07:00
phonet net: fix rcu access on phonet_routes 2014-10-06 18:16:30 -04:00
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-10-18 09:31:37 -07:00
rfkill net: rfkill: kernel-doc warning fixes 2014-10-09 11:16:15 +02:00
rose rose: use %*ph specifier 2014-09-07 16:07:25 -07:00
rxrpc Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2014-10-12 10:13:55 -04:00
sched net_sched: restore qdisc quota fairness limits after bulk dequeue 2014-10-09 19:12:26 -04:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-10-18 09:31:37 -07:00
sunrpc Merge branch 'for-3.18' of git://linux-nfs.org/~bfields/linux 2014-10-08 12:51:44 -04:00
tipc tipc: fix bug in bundled buffer reception 2014-10-17 23:50:53 -04:00
unix af_unix: remove 0 assignment on static 2014-10-07 17:03:14 -04:00
vmw_vsock
wimax wimax: convert printk to pr_foo() 2014-10-07 20:28:44 -04:00
wireless nl80211: Broadcast CMD_NEW_INTERFACE and CMD_DEL_INTERFACE 2014-11-19 19:02:42 +01:00
x25
xfrm net: cleanup and document skb fclone layout 2014-10-01 16:34:25 -04:00
compat.c net: sendmsg: fix NULL pointer dereference 2014-07-29 12:20:22 -07:00
Kconfig net: bpf: fix bpf syscall dependence on anon_inodes 2014-10-10 15:02:23 -04:00
Makefile 6lowpan: introduce new net/6lowpan directory 2014-07-12 01:53:30 +02:00
nonet.c
socket.c File locking related changes for v3.18 (pile #1) 2014-10-11 13:21:34 -04:00
sysctl_net.c