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torvalds-linux/include/net
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Wen Gu 4398888268 net/smc: add operations to merge sndbuf with peer DMB 
In some scenarios using Emulated-ISM device, sndbuf can share the same
physical memory region with peer DMB to avoid data copy from one side
to the other. In such case the sndbuf is only a descriptor that
describes the shared memory and does not actually occupy memory, it's
more like a ghost buffer.

      +----------+                     +----------+
      | socket A |                     | socket B |
      +----------+                     +----------+
            |                               |
       +--------+                       +--------+
       | sndbuf |                       |  DMB   |
       |  desc  |                       |  desc  |
       +--------+                       +--------+
            |                               |
            |                          +----v-----+
            +-------------------------->  memory  |
                                       +----------+

So here introduces three new SMC-D device operations to check if this
feature is supported by device, and to {attach|detach} ghost sndbuf to
peer DMB. For now only loopback-ism supports this.

Signed-off-by: Wen Gu <guwen@linux.alibaba.com>
Reviewed-by: Wenjia Zhang <wenjia@linux.ibm.com>
Reviewed-and-tested-by: Jan Karcher <jaka@linux.ibm.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-04-30 13:24:48 +02:00
..
9p
…
bluetooth
Bluetooth: hci_event: Fix sending HCI_OP_READ_ENC_KEY_SIZE
2024-04-24 16:26:11 -04:00
caif
net: caif: Remove unused declaration cfsrvl_ctrlcmd()
2023-08-10 18:24:48 -07:00
iucv
s390/iucv: use new address translation helpers
2024-03-13 09:23:48 +01:00
libeth
libeth: add Rx buffer management
2024-04-24 11:06:25 -07:00
mana
Merge branch mana-ib-flex of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git
2024-04-11 07:38:28 -07:00
netfilter
netfilter: flowtable: validate pppoe header
2024-04-11 12:13:11 +02:00
netns
net: Namespace-ify sysctl_optmem_max
2023-12-15 11:01:27 +00:00
nfc
nfc: core: make nfc_class constant
2024-03-05 11:21:18 -08:00
page_pool
page_pool: add DMA-sync-for-CPU inline helper
2024-04-24 11:06:25 -07:00
phonet
…
sctp
sctp: preserve const qualifier in sctp_sk()
2024-02-05 11:08:06 +00:00
tc_act
net/sched: Retire ipt action
2024-01-02 12:41:16 +00:00
6lowpan.h
…
act_api.h
net/sched: Add helper macros with module names
2024-02-02 10:57:55 -08:00
addrconf.h
ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr
2024-04-09 17:09:05 -07:00
af_ieee802154.h
…
af_rxrpc.h
rxrpc, afs: Allow afs to pin rxrpc_peer objects
2023-12-24 15:22:50 +00:00
af_unix.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-04-25 12:41:37 -07:00
af_vsock.h
virtio/vsock: send credit update during setting SO_RCVLOWAT
2023-12-15 10:37:35 +00:00
ah.h
…
amt.h
…
arp.h
…
atmclip.h
…
ax25.h
…
ax88796.h
…
bareudp.h
…
bond_3ad.h
bonding: Add independent control state machine
2024-02-06 13:17:54 +01:00
bond_alb.h
…
bond_options.h
bonding: Add independent control state machine
2024-02-06 13:17:54 +01:00
bonding.h
bonding: Add independent control state machine
2024-02-06 13:17:54 +01:00
bpf_sk_storage.h
…
busy_poll.h
net: add napi_busy_loop_rcu()
2024-02-09 10:01:09 -08:00
calipso.h
…
cfg80211-wext.h
…
cfg80211.h
wifi: cfg80211: fix cfg80211 function kernel-doc
2024-04-19 10:17:16 +02:00
cfg802154.h
mac802154: fix llsec key resources release in mac802154_llsec_key_del
2024-03-06 21:01:26 +01:00
checksum.h
…
cipso_ipv4.h
…
cls_cgroup.h
…
codel_impl.h
…
codel_qdisc.h
…
codel.h
codel: fix kernel-doc notation warnings
2023-07-14 20:39:29 -07:00
compat.h
…
datalink.h
net: datalink: Remove unused declarations
2023-07-27 17:17:32 -07:00
dcbevent.h
…
dcbnl.h
…
devlink.h
devlink: extend devlink_param *set pointer
2024-04-22 13:05:19 -07:00
dropreason-core.h
tcp: introduce dropreasons in receive path
2024-02-28 10:39:21 +00:00
dropreason.h
net: openvswitch: add last-action drop reason
2023-08-14 08:01:06 +01:00
dsa_stubs.h
net: dsa: Use conduit and user terms
2023-10-24 13:08:14 -07:00
dsa.h
devlink: extend devlink_param *set pointer
2024-04-22 13:05:19 -07:00
dsfield.h
…
dst_cache.h
…
dst_metadata.h
ip_tunnel: convert __be16 tunnel flags to bitmaps
2024-04-01 10:49:28 +01:00
dst_ops.h
net: remove unnecessary input parameter 'how' in ifdown function
2023-08-22 13:19:02 +02:00
dst.h
net: dst: Make dst_destroy() static and return void.
2024-02-06 11:45:53 +01:00
eee.h
net: add helpers for EEE configuration
2024-03-05 19:21:17 -08:00
erspan.h
…
esp.h
…
espintcp.h
inet: preserve const qualifier in inet_csk()
2024-04-01 21:27:08 -07:00
ethoc.h
…
failover.h
…
fib_notifier.h
…
fib_rules.h
fib: remove unnecessary input parameters in fib_default_rule_add
2024-01-03 16:42:48 -08:00
firewire.h
…
flow_dissector.h
ip_tunnel: convert __be16 tunnel flags to bitmaps
2024-04-01 10:49:28 +01:00
flow_offload.h
flow_offload: add control flag checking helpers
2024-04-15 10:33:14 +01:00
flow.h
inet: shrink struct flowi_common
2023-11-02 09:31:02 +01:00
fou.h
…
fq_impl.h
…
fq.h
net: fq: Remove unused typedef fq_flow_get_default_t
2023-08-08 15:58:23 -07:00
garp.h
…
gen_stats.h
…
genetlink.h
genetlink: remove linux/genetlink.h
2024-04-01 21:44:34 -07:00
geneve.h
…
gre.h
ip_tunnel: convert __be16 tunnel flags to bitmaps
2024-04-01 10:49:28 +01:00
gro_cells.h
…
gro.h
net: gro: move two declarations to include/net/gro.h
2024-03-11 14:13:14 -07:00
gso.h
…
gtp.h
…
gue.h
…
handshake.h
net/handshake: Add helpers for parsing incoming TLS Alerts
2023-07-28 14:07:59 -07:00
hotdata.h
net: move rps_sock_flow_table to net_hotdata
2024-03-07 21:12:43 -08:00
hwbm.h
…
icmp.h
…
ieee80211_radiotap.h
wifi: radiotap: add bandwidth definition of EHT U-SIG
2023-10-12 15:14:27 +03:00
ieee802154_netdev.h
mac802154: Handle association requests from peers
2023-11-20 11:43:03 +01:00
if_inet6.h
ipv6: anycast: complete RCU handling of struct ifacaddr6
2024-02-26 18:40:34 -08:00
ife.h
…
inet6_connection_sock.h
…
inet6_hashtables.h
net: Fix slab-out-of-bounds in inet[6]_steal_sock
2023-08-15 13:57:51 -07:00
inet_common.h
net: factor out __inet_listen_sk() helper
2023-08-14 07:06:13 +01:00
inet_connection_sock.h
tcp/dccp: complete lockless accesses to sk->sk_max_ack_backlog
2024-04-02 18:21:13 -07:00
inet_dscp.h
…
inet_ecn.h
…
inet_frag.h
inet: frags: eliminate kernel-doc warning
2023-07-14 20:39:29 -07:00
inet_hashtables.h
tcp: Remove dead code and fields for bhash2.
2023-12-22 22:15:35 +00:00
inet_sock.h
inet: Add getsockopt support for IP_ROUTER_ALERT and IPV6_ROUTER_ALERT
2024-03-06 12:37:06 +00:00
inet_timewait_sock.h
tcp/dccp: do not care about families in inet_twsk_purge()
2024-04-01 21:27:58 -07:00
inetpeer.h
…
ioam6.h
net: ioam6: multicast event
2024-02-28 11:19:41 +00:00
ip6_checksum.h
…
ip6_fib.h
ipv6: introduce dst_rt6_info() helper
2024-04-29 13:32:01 +01:00
ip6_route.h
ipv6: introduce dst_rt6_info() helper
2024-04-29 13:32:01 +01:00
ip6_tunnel.h
ip_tunnel: convert __be16 tunnel flags to bitmaps
2024-04-01 10:49:28 +01:00
ip_fib.h
inet: allow ip_valid_fib_dump_req() to be called with RTNL or RCU
2024-02-26 11:46:12 +00:00
ip_tunnels.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-04-11 14:23:47 -07:00
ip_vs.h
…
ip.h
ipmr: fix kernel panic when forwarding mcast packets
2024-01-26 21:05:26 -08:00
ipcomp.h
…
ipconfig.h
…
ipv6_frag.h
…
ipv6_stubs.h
ipsec-next-2023-10-28
2023-10-30 14:36:57 -07:00
ipv6.h
ipv6: annotate data-races around cnf.forwarding
2024-03-01 08:42:31 +00:00
iw_handler.h
wifi: wext: Remove unused declaration dev_get_wireless_info()
2023-08-22 21:40:40 +02:00
kcm.h
…
l3mdev.h
…
lag.h
…
lapb.h
…
lib80211.h
…
llc_c_ac.h
net: llc: Remove unused function declarations
2023-08-04 15:33:17 -07:00
llc_c_ev.h
net: llc: Remove unused function declarations
2023-08-04 15:33:17 -07:00
llc_c_st.h
…
llc_conn.h
llc: Check netns in llc_estab_match() and llc_listener_match().
2023-07-20 10:46:28 +02:00
llc_if.h
…
llc_pdu.h
llc: Drop support for ETH_P_TR_802_2.
2024-01-19 21:30:09 -08:00
llc_s_ac.h
…
llc_s_ev.h
…
llc_s_st.h
…
llc_sap.h
…
llc.h
…
lwtunnel.h
lwt: Check LWTUNNEL_XMIT_CONTINUE strictly
2023-08-18 16:05:26 +02:00
mac80211.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-04-25 12:41:37 -07:00
mac802154.h
…
macsec.h
macsec: Enable devices to advertise whether they update sk_buff md_dst during offloads
2024-04-25 08:20:54 -07:00
mctp.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-02-29 14:24:56 -08:00
mctpdevice.h
…
mip6.h
…
mld.h
…
mpls_iptunnel.h
…
mpls.h
…
mptcp.h
mptcp: add struct mptcp_sched_ops
2023-08-22 17:31:18 -07:00
mrp.h
…
ncsi.h
…
ndisc.h
ndisc: Remove unused ndisc_ifinfo_sysctl_strategy() declaration
2023-08-07 08:53:55 +01:00
neighbour.h
neighbour: Fix __randomize_layout crash in struct neighbour
2023-11-28 12:18:29 +01:00
net_debug.h
…
net_failover.h
…
net_namespace.h
net: add exit_batch_rtnl() method
2024-02-07 18:55:10 -08:00
net_ratelimit.h
…
net_trackers.h
…
netdev_queues.h
netdev: add queue stats
2024-04-30 10:51:33 +02:00
netdev_rx_queue.h
net: Add queue and napi association
2023-12-04 18:04:05 -08:00
netevent.h
…
netkit.h
bpf, netkit: Add indirect call wrapper for fetching peer dev
2023-11-20 10:15:16 -08:00
netlabel.h
netlabel: cleanup struct netlbl_lsm_catmap
2024-02-07 12:38:30 +00:00
netlink.h
netlink: add nlmsg_consume() and use it in devlink compat
2024-04-06 18:20:14 +01:00
netmem.h
net: introduce abstraction for network memory
2024-02-20 09:22:58 +01:00
netprio_cgroup.h
…
netrom.h
…
nexthop.h
net: add two more call_rcu_hurry()
2024-04-25 15:24:23 -07:00
nl802154.h
ieee802154: Give the user the association list
2023-11-20 11:43:45 +01:00
nsh.h
net: NSH: fix kernel-doc notation warning
2023-07-14 20:39:29 -07:00
p8022.h
net: 802: Remove unused function declarations
2023-08-04 15:33:50 -07:00
pfcp.h
pfcp: always set pfcp metadata
2024-04-01 10:49:28 +01:00
pie.h
pie: fix kernel-doc notation warning
2023-07-14 20:39:30 -07:00
ping.h
…
pkt_cls.h
net: sched: make skip_sw actually skip software
2024-03-29 09:46:39 +00:00
pkt_sched.h
net/sched: Add helper macros with module names
2024-02-02 10:57:55 -08:00
pptp.h
…
protocol.h
ipv6: move tcp_ipv6_hash_secret and udp_ipv6_hash_secret to net_hotdata
2024-03-07 21:12:43 -08:00
psample.h
…
psnap.h
…
raw.h
…
rawv6.h
…
red.h
net_sched: sch_choke: implement lockless choke_dump()
2024-04-19 11:34:07 +01:00
regulatory.h
wifi: cfg80211: save power spectral density(psd) of regulatory rule
2023-09-18 09:44:05 +02:00
request_sock.h
rstreason: prepare for passive reset
2024-04-26 15:34:00 +02:00
rose.h
…
route.h
ipv4: Remove RTO_ONLINK.
2024-04-11 19:52:11 -07:00
rpl.h
…
rps.h
net: rps: add rps_input_queue_head_add() helper
2024-04-01 11:28:32 +01:00
rsi_91x.h
rsi: remove kernel-doc comment marker
2023-07-14 20:39:30 -07:00
rstreason.h
tcp: support rstreason for passive reset
2024-04-26 15:34:00 +02:00
rtnetlink.h
rtnetlink: add RTNL_FLAG_DUMP_UNLOCKED flag
2024-02-26 11:46:12 +00:00
rtnh.h
…
sch_generic.h
net/sched: fix false lockdep warning on qdisc root lock
2024-04-26 10:46:41 +02:00
scm.h
af_unix: Link struct unix_edge when queuing skb.
2024-03-29 08:27:50 -07:00
secure_seq.h
…
seg6_hmac.h
…
seg6_local.h
…
seg6.h
…
selftests.h
…
slhc_vj.h
…
smc.h
net/smc: add operations to merge sndbuf with peer DMB
2024-04-30 13:24:48 +02:00
snmp.h
…
sock_reuseport.h
…
sock.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-04-25 12:41:37 -07:00
Space.h
net: appletalk: remove cops support
2023-10-04 11:49:20 -07:00
stp.h
…
strparser.h
…
switchdev.h
net: bridge: switchdev: Skip MDB replays of deferred events on offload
2024-02-16 09:36:37 +00:00
tc_wrapper.h
Merge branch 'x86/bugs' into x86/core, to pick up pending changes before dependent patches
2024-02-14 10:49:37 +01:00
tcp_ao.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-01-04 18:06:46 -08:00
tcp_states.h
tcp: Dump bound-only sockets in inet_diag.
2023-12-04 14:45:26 -08:00
tcp.h
bpf-next-for-netdev
2024-04-29 13:12:19 -07:00
tcx.h
bpf, tcx: Get rid of tcx_link_const
2023-10-23 15:01:53 -07:00
timewait_sock.h
…
tipc.h
…
tls_prot.h
net/tls: Add TLS Alert definitions
2023-07-28 14:07:59 -07:00
tls_toe.h
…
tls.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-04-25 12:41:37 -07:00
transp_v6.h
inet6: Remove unused function declaration udpv6_connect()
2023-08-01 15:06:27 -07:00
tso.h
…
tun_proto.h
…
udp_tunnel.h
ip_tunnel: convert __be16 tunnel flags to bitmaps
2024-04-01 10:49:28 +01:00
udp.h
udp/udplite: Remove unused function declarations udp{,lite}_get_port()
2023-08-07 08:53:55 +01:00
udplite.h
udplite: fix various data-races
2023-09-14 16:16:36 +02:00
vsock_addr.h
…
vxlan.h
vxlan: add support for flowlabel inherit
2023-11-16 22:33:31 +00:00
wext.h
…
x25.h
…
x25device.h
…
xdp_priv.h
…
xdp_sock_drv.h
xsk: fix usage of multi-buffer BPF helpers for ZC XDP
2024-01-24 16:24:06 -08:00
xdp_sock.h
xsk: Don't assume metadata is always requested in TX completion
2024-03-19 13:47:29 +01:00
xdp.h
net, xdp: Correct grammar
2023-12-14 16:38:59 +01:00
xfrm.h
xfrm: get global statistics from the offloaded device
2024-02-05 16:45:49 -08:00
xsk_buff_pool.h
xsk: add functions to fill control buffer
2023-12-13 16:16:40 -08:00