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Hans Wippel c6ba7c9ba4 net/smc: add base infrastructure for SMC-D and ISM 
SMC supports two variants: SMC-R and SMC-D. For data transport, SMC-R
uses RDMA devices, SMC-D uses so-called Internal Shared Memory (ISM)
devices. An ISM device only allows shared memory communication between
SMC instances on the same machine. For example, this allows virtual
machines on the same host to communicate via SMC without RDMA devices.

This patch adds the base infrastructure for SMC-D and ISM devices to
the existing SMC code. It contains the following:

* ISM driver interface:
  This interface allows an ISM driver to register ISM devices in SMC. In
  the process, the driver provides a set of device ops for each device.
  SMC uses these ops to execute SMC specific operations on or transfer
  data over the device.

* Core SMC-D link group, connection, and buffer support:
  Link groups, SMC connections and SMC buffers (in smc_core) are
  extended to support SMC-D.

* SMC type checks:
  Some type checks are added to prevent using SMC-R specific code for
  SMC-D and vice versa.

To actually use SMC-D, additional changes to pnetid, CLC, CDC, etc. are
required. These are added in follow-up patches.

Signed-off-by: Hans Wippel <hwippel@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Suggested-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2018-06-30 20:42:25 +09:00
..
6lowpan
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9p treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
802
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8021q net: Convert GRO SKB handling to list_head. 2018-06-26 11:33:04 +09:00
appletalk Merge branch 'work.aio-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-06-04 13:57:43 -07:00
atm atm: Preserve value of skb->truesize when accounting to vcc 2018-06-17 08:27:01 +09:00
ax25 Merge branch 'work.aio-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-06-04 13:57:43 -07:00
batman-adv net: drivers/net: Convert random_ether_addr to eth_random_addr 2018-06-23 10:49:14 +09:00
bluetooth treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
bpf bpf: making bpf_prog_test run aware of possible data_end ptr change 2018-04-18 23:34:16 +02:00
bpfilter bpfilter: fix user mode helper cross compilation 2018-06-21 09:19:19 +09:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-06-16 07:39:34 +09:00
caif net/caif: convert to ->poll_mask 2018-05-26 09:16:44 +02:00
can treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
ceph The main piece is a set of libceph changes that revamps how OSD 2018-06-15 07:24:58 +09:00
core net: check tunnel option type in tunnel flags 2018-06-29 23:50:26 +09:00
dcb treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
dccp net: dccp: switch rx_tstamp_last_feedback to monotonic clock 2018-06-23 10:46:44 +09:00
decnet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-06-06 18:39:49 -07:00
dns_resolver KEYS: DNS: limit the length of option strings 2018-04-17 15:17:41 -04:00
dsa net: sched: pass extack pointer to block binds and cb registration 2018-06-26 23:21:32 +09:00
ethernet net: Convert GRO SKB handling to list_head. 2018-06-26 11:33:04 +09:00
hsr
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ieee802154 treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
ife net: sched: ife: check on metadata length 2018-04-22 21:12:00 -04:00
ipv4 tcp: add new SNMP counter for drops when try to queue in rcv queue 2018-06-30 18:43:53 +09:00
ipv6 net: check tunnel option type in tunnel flags 2018-06-29 23:50:26 +09:00
iucv net/iucv: convert to ->poll_mask 2018-05-26 09:16:44 +02:00
kcm Merge branch 'work.aio-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-06-04 13:57:43 -07:00
key Merge branch 'work.aio-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-06-04 13:57:43 -07:00
l2tp l2tp: define helper for parsing struct sockaddr_pppol2tp* 2018-06-28 16:06:50 +09:00
l3mdev
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lapb
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llc Merge branch 'work.aio-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-06-04 13:57:43 -07:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-06-16 07:39:34 +09:00
mac802154 net/mac802154: disambiguate mac80215 vs mac802154 trace events 2018-03-28 22:55:18 +02:00
mpls net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
ncsi net/ncsi: Use netdev_dbg for debug messages 2018-06-20 07:26:58 +09:00
netfilter netfilter: check if the socket netns is correct. 2018-06-28 22:21:32 +09:00
netlabel audit: use inline function to get audit context 2018-05-14 17:24:18 -04:00
netlink treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
netrom treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-06-06 18:39:49 -07:00
nsh nsh: fix infinite loop 2018-05-04 12:54:38 -04:00
openvswitch net: check tunnel option type in tunnel flags 2018-06-29 23:50:26 +09:00
packet net/packet: fix use-after-free 2018-06-22 07:17:42 +09:00
phonet Merge branch 'work.aio-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-06-04 13:57:43 -07:00
psample
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qrtr Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-06-06 18:39:49 -07:00
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-06-16 07:39:34 +09:00
rfkill rfkill: Create rfkill-none LED trigger 2018-05-23 11:26:45 +02:00
rose treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
rxrpc treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
sched net/sched: add tunnel option support to act_tunnel_key 2018-06-29 23:50:26 +09:00
sctp sctp: add support for SCTP_REUSE_PORT sockopt 2018-06-29 22:20:55 +09:00
smc net/smc: add base infrastructure for SMC-D and ISM 2018-06-30 20:42:25 +09:00
strparser strparser: Don't schedule in workqueue in paused state 2018-06-21 09:54:05 +09:00
sunrpc NFS client bugfixes for Linux 4.18 2018-06-22 06:21:34 +09:00
switchdev
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tipc treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
tls net/tls: Remove VLA usage on nonce 2018-06-27 10:39:52 +09:00
unix Merge branch 'work.aio-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-06-04 13:57:43 -07:00
vmw_vsock VSOCK: fix loopback on big-endian systems 2018-06-22 09:34:08 +09:00
wimax
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wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-06-16 07:39:34 +09:00
x25 Merge branch 'work.aio-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-06-04 13:57:43 -07:00
xdp xsk: re-add queue id check for XDP_SKB path 2018-06-12 12:19:04 +02:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-06-06 18:39:49 -07:00
Kconfig net: Introduce generic failover module 2018-05-28 22:59:54 -04:00
Makefile bpfilter: switch to CC from HOSTCC 2018-06-05 10:21:18 -04:00
compat.c net: support compat 64-bit time in {s,g}etsockopt 2018-04-27 19:46:06 -04:00
socket.c socket: close race condition between sock_close() and sockfs_setattr() 2018-06-10 12:25:53 -07:00
sysctl_net.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00