microsoft
/
WSL2-Linux-Kernel
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WSL2-Linux-Kernel/Documentation/networking
История
Jakub Kicinski c91c46de6b net: provide macros for commonly copied lockless queue stop/wake code 
A lot of drivers follow the same scheme to stop / start queues
without introducing locks between xmit and NAPI tx completions.
I'm guessing they all copy'n'paste each other's code.
The original code dates back all the way to e1000 and Linux 2.6.19.

Smaller drivers shy away from the scheme and introduce a lock
which may cause deadlocks in netpoll.

Provide macros which encapsulate the necessary logic.

The macros do not prevent false wake ups, the extra barrier
required to close that race is not worth it. See discussion in:
https://lore.kernel.org/all/c39312a2-4537-14b4-270c-9fe1fbb91e89@gmail.com/

Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 		2023-04-10 17:56:18 -07:00
..
caif tty: cumulate and document tty_struct::flow* members 2021-05-13 16:57:16 +02:00
device_drivers Documentation/eth/intel: Remove references to SourceForge 2023-03-30 09:35:04 -07:00
devlink net/mlx5e: Add devlink hairpin queues parameters 2023-03-15 22:12:08 -07:00
dsa Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
mac80211_hwsim
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6lowpan.rst docs: networking: convert 6lowpan.txt to ReST 2020-02-28 14:52:36 +01:00
6pack.rst docs: networking: convert 6pack.txt to ReST 2020-04-28 14:38:38 -07:00
af_xdp.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
alias.rst
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arcnet-hardware.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
arcnet.rst Documentation: networking: arcnet: drop doubled word 2020-07-04 17:46:21 -07:00
atm.rst docs: networking: convert atm.txt to ReST 2020-04-28 14:38:38 -07:00
ax25.rst Documentation: networking: ax25: drop doubled word 2020-07-04 17:46:21 -07:00
bareudp.rst Documentation: bareudp: Corrected description of bareudp module. 2020-07-28 17:53:03 -07:00
batman-adv.rst batman-adv: Fix mailing list address 2023-01-21 19:01:59 +01:00
bonding.rst Documentation: bonding: correct xmit hash steps 2022-12-02 10:46:45 +00:00
bridge.rst docs: networking: Fix bridge documentation URL 2023-01-25 22:44:27 -08:00
can.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
can_ucan_protocol.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
cdc_mbim.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
checksum-offloads.rst docs: networking: convert netdev-features.txt to ReST 2020-04-30 12:56:36 -07:00
dccp.rst net: dccp: Add SIOCOUTQ IOCTL support (send buffer fill) 2020-07-22 17:00:37 -07:00
dctcp.rst docs: networking: convert dctcp.txt to ReST 2020-04-28 14:38:39 -07:00
dns_resolver.rst docs: networking: convert dns_resolver.txt to ReST 2020-04-28 14:39:46 -07:00
driver.rst net: provide macros for commonly copied lockless queue stop/wake code 2023-04-10 17:56:18 -07:00
eql.rst docs: networking: convert eql.txt to ReST 2020-04-28 14:39:46 -07:00
ethtool-netlink.rst ethtool: Add support for configuring tx_push_buf_len 2023-03-27 19:49:58 -07:00
failover.rst
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fib_trie.rst docs: networking: convert fib_trie.txt to ReST 2020-04-28 14:39:46 -07:00
filter.rst treewide: use get_random_u32() when possible 2022-10-11 17:42:58 -06:00
gen_stats.rst docs: networking: convert gen_stats.txt to ReST 2020-04-28 14:39:46 -07:00
generic-hdlc.rst docs: networking: convert generic-hdlc.txt to ReST 2020-04-28 14:39:46 -07:00
generic_netlink.rst Documentation: networking: Update generic_netlink_howto URL 2022-11-23 17:25:02 -08:00
gtp.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
ieee802154.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
ila.rst docs: networking: convert ila.txt to ReST 2020-04-28 14:39:47 -07:00
index.rst docs: networking: document NAPI 2023-03-23 19:47:40 -07:00
ioam6-sysctl.rst ipv6: ioam: Documentation for new IOAM sysctls 2021-07-21 08:14:33 -07:00
ip-sysctl.rst neighbor: fix proxy_delay usage when it is zero 2023-02-01 21:02:54 -08:00
ip_dynaddr.rst docs: networking: convert ip_dynaddr.txt to ReST 2020-04-28 14:39:47 -07:00
ipddp.rst docs: networking: convert ipddp.txt to ReST 2020-04-28 14:39:47 -07:00
ipsec.rst docs: networking: convert ipsec.txt to ReST 2020-04-28 14:39:47 -07:00
ipv6.rst docs: networking: convert ipv6.txt to ReST 2020-04-28 14:40:18 -07:00
ipvlan.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
ipvs-sysctl.rst ipvs: run_estimation should control the kthread tasks 2022-12-10 22:44:43 +01:00
j1939.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
kapi.rst wimax: move out to staging 2020-10-29 19:27:45 +01:00
kcm.rst docs: networking: convert kcm.txt to ReST 2020-04-28 14:40:19 -07:00
l2tp.rst Documentation: networking: correct possessive "its" 2022-08-31 12:36:08 -07:00
lapb-module.rst docs: networking: convert lapb-module.txt to ReST 2020-04-30 12:56:35 -07:00
mac80211-auth-assoc-deauth.txt
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mac80211-injection.rst doc: networking: wireless: fix wiki website url 2020-06-08 10:05:53 +02:00
mctp.rst mctp: Add SIOCMCTP{ALLOC,DROP}TAG ioctls for tag control 2022-02-09 12:00:11 +00:00
mpls-sysctl.rst docs: networking: convert mpls-sysctl.txt to ReST 2020-04-30 12:56:36 -07:00
mptcp-sysctl.rst Documentation: mptcp: fix pm_type formatting 2022-09-13 10:18:44 +02:00
msg_zerocopy.rst docs: net: fix inaccuracies in msg_zerocopy.rst 2023-02-24 18:31:31 -08:00
multiqueue.rst docs: networking: convert multiqueue.txt to ReST 2020-04-30 12:56:36 -07:00
napi.rst docs: networking: document NAPI 2023-03-23 19:47:40 -07:00
net_dim.rst docs: networking: add full DIM API 2020-04-10 18:11:04 -07:00
net_failover.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
netconsole.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
netdev-features.rst net: hsr: add offloading support 2021-02-11 13:24:44 -08:00
netdevices.rst net: bonding: move ioctl handling to private ndo operation 2021-07-27 20:11:45 +01:00
netfilter-sysctl.rst docs: networking: convert netfilter-sysctl.txt to ReST 2020-04-30 12:56:36 -07:00
netif-msg.rst docs: networking: convert netif-msg.txt to ReST 2020-04-30 12:56:36 -07:00
nexthop-group-resilient.rst Documentation: net: Document resilient next-hop groups 2021-03-29 13:51:38 -07:00
nf_conntrack-sysctl.rst netfilter: conntrack: unify established states for SCTP paths 2023-01-24 09:52:52 +01:00
nf_flowtable.rst docs: nf_flowtable: fix compilation and warnings 2021-03-25 17:42:02 -07:00
nfc.rst docs: networking: nfc: change to rst format 2019-11-23 11:00:19 -08:00
openvswitch.rst docs: networking: convert openvswitch.txt to ReST 2020-04-30 12:56:36 -07:00
operstates.rst docs: operstates: document IF_OPER_TESTING 2021-08-02 15:16:04 +01:00
packet_mmap.rst docs: networking: Replace strncpy() with strscpy() 2021-06-04 11:21:43 -06:00
page_pool.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
phonet.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
phy.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
pktgen.rst pktgen: document the latest pktgen usage options 2021-08-25 13:44:30 +01:00
plip.rst docs: networking: convert PLIP.txt to ReST 2020-04-30 12:56:37 -07:00
ppp_generic.rst docs: update ppp_generic.rst to document new ioctls 2020-12-10 13:57:36 -08:00
proc_net_tcp.rst docs: networking: convert proc_net_tcp.txt to ReST 2020-04-30 12:56:37 -07:00
radiotap-headers.rst docs: networking: convert radiotap-headers.txt to ReST 2020-04-30 12:56:37 -07:00
rds.rst Doc: networking: Fix the title's Sphinx overline in rds.rst 2021-11-29 15:18:21 -07:00
regulatory.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
representors.rst docs: net: add an explanation of VF (and other) Representors 2022-09-21 07:31:38 -07:00
rxrpc.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
scaling.rst docs: networking: update XPS to account for netif_set_xps_queue 2020-10-13 16:21:54 -07:00
sctp.rst docs: networking: convert sctp.txt to ReST 2020-04-30 12:56:38 -07:00
secid.rst docs: networking: convert secid.txt to ReST 2020-04-30 12:56:38 -07:00
seg6-sysctl.rst doc: move seg6_flowlabel to seg6-sysctl.rst 2021-04-14 13:13:15 -07:00
segmentation-offloads.rst
…
sfp-phylink.rst doc: sfp-phylink: Fix a broken reference 2022-08-02 21:45:07 -07:00
skbuff.rst skbuff: render the checksum comment to documentation 2022-05-10 17:48:37 -07:00
smc-sysctl.rst net/smc: Unbind r/w buffer size from clcsock and make them tunable 2022-09-22 12:58:21 +02:00
snmp_counter.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
statistics.rst docs: ethtool-netlink: document interface for MAC Merge layer 2023-01-23 12:44:18 +00:00
strparser.rst docs: networking: convert strparser.txt to ReST 2020-04-30 12:56:38 -07:00
switchdev.rst docs: net: add an explanation of VF (and other) Representors 2022-09-21 07:31:38 -07:00
sysfs-tagging.rst Documentation: networking: correct spelling 2023-01-31 13:00:47 +01:00
tc-actions-env-rules.rst docs: networking: convert tc-actions-env-rules.txt to ReST 2020-04-30 12:56:38 -07:00
tc-queue-filters.rst Documentation: networking: TC queue based filtering 2022-10-25 10:32:40 +02:00
tcp-thin.rst docs: networking: convert tcp-thin.txt to ReST 2020-04-30 12:56:38 -07:00
team.rst docs: networking: convert team.txt to ReST 2020-04-30 12:56:38 -07:00
timestamping.rst net_tstamp: add SOF_TIMESTAMPING_OPT_ID_TCP 2022-12-08 19:49:21 -08:00
tipc.rst Documentation: add more details in tipc.rst 2021-07-01 13:18:18 -07:00
tls-offload-layers.svg
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tls-offload-reorder-bad.svg
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tls-offload-reorder-good.svg
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tls-offload.rst net: Disable NETIF_F_HW_TLS_RX when RXCSUM is disabled 2021-01-19 15:58:05 -08:00
tls.rst tls: rx: add counter for NoPad violations 2022-07-11 19:48:33 -07:00
tproxy.rst docs: networking: convert tproxy.txt to ReST 2020-04-30 12:56:38 -07:00
tuntap.rst docs: networking: Replace strncpy() with strscpy() 2021-06-04 11:21:43 -06:00
udplite.rst docs: networking: convert udplite.txt to ReST 2020-05-01 12:24:40 -07:00
vrf.rst doc: Document unexpected tcp_l3mdev_accept=1 behavior 2021-08-23 11:53:24 +01:00
vxlan.rst docs: vxlan: add info about device features 2020-09-28 12:50:12 -07:00
x25-iface.rst net: x25: Queue received packets in the drivers instead of per-CPU queues 2021-04-05 11:42:12 -07:00
x25.rst net: x25: Remove unimplemented X.25-over-LLC code stubs 2020-12-12 17:15:33 -08:00
xdp-rx-metadata.rst xdp: bpf_xdp_metadata use EOPNOTSUPP for no driver support 2023-03-22 09:11:09 -07:00
xfrm_device.rst xfrm: extend add state callback to set failure reason 2023-01-26 16:28:48 -08:00
xfrm_proc.rst docs: networking: convert xfrm_proc.txt to ReST 2020-05-01 12:24:40 -07:00
xfrm_sync.rst docs: networking: convert xfrm_sync.txt to ReST 2020-05-01 12:24:41 -07:00
xfrm_sysctl.rst docs: networking: convert xfrm_sysctl.txt to ReST 2020-05-01 12:24:41 -07:00