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530403d9ba
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David Howells 530403d9ba rxrpc: Clean up ACK handling 
Clean up the rxrpc_propose_ACK() function.  If deferred PING ACK proposal
is split out, it's only really needed for deferred DELAY ACKs.  All other
ACKs, bar terminal IDLE ACK are sent immediately.  The deferred IDLE ACK
submission can be handled by conversion of a DELAY ACK into an IDLE ACK if
there's nothing to be SACK'd.

Also, because there's a delay between an ACK being generated and being
transmitted, it's possible that other ACKs of the same type will be
generated during that interval.  Apart from the ACK time and the serial
number responded to, most of the ACK body, including window and SACK
parameters, are not filled out till the point of transmission - so we can
avoid generating a new ACK if there's one pending that will cover the SACK
data we need to convey.

Therefore, don't propose a new DELAY or IDLE ACK for a call if there's one
already pending.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
2022-11-08 16:42:28 +00:00
..
6lowpan net: 6lowpan: constify lowpan_nhc structures 2022-06-09 21:53:28 +02:00
9p net/9p: clarify trans_fd parse_opt failure handling 2022-10-07 21:23:09 +09:00
802 treewide: use prandom_u32_max() when possible, part 1 2022-10-11 17:42:55 -06:00
8021q net: gro: skb_gro_header helper function 2022-08-25 10:33:21 +02:00
appletalk net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
atm net/atm: fix proc_mpc_write incorrect return value 2022-10-15 11:08:36 +01:00
ax25 ax25: move from strlcpy with unused retval to strscpy 2022-08-22 17:55:50 -07:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-09-22 13:02:10 -07:00
bluetooth Driver core changes for 6.1-rc1 2022-10-07 17:04:10 -07:00
bpf selftests/bpf: Add tests for kfunc returning a memory pointer 2022-09-07 11:05:17 -07:00
bpfilter uaccess: remove CONFIG_SET_FS 2022-02-25 09:36:06 +01:00
bridge bridge: mcast: Simplify MDB entry creation 2022-10-19 14:01:08 +01:00
caif caif: move from strlcpy with unused retval to strscpy 2022-08-22 17:57:35 -07:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-10-27 16:56:36 -07:00
ceph Random number generator fixes for Linux 6.1-rc1. 2022-10-16 15:27:07 -07:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-10-27 16:56:36 -07:00
dcb net: dcb: disable softirqs in dcbnl_flush_dev() 2022-03-03 08:01:55 -08:00
dccp dccp: Call inet6_destroy_sock() via sk->sk_destruct(). 2022-10-24 09:40:38 +01:00
dns_resolver
dsa net: dsa: uninitialized variable in dsa_slave_netdevice_event() 2022-10-15 11:15:27 +01:00
ethernet net: gro: skb_gro_header helper function 2022-08-25 10:33:21 +02:00
ethtool Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-10-27 16:56:36 -07:00
hsr net: hsr: avoid possible NULL deref in skb_clone() 2022-10-18 19:18:27 -07:00
ieee802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-10-27 16:56:36 -07:00
ife
ipv4 net: Change the udp encap_err_rcv to allow use of {ip,ipv6}_icmp_error() 2022-11-08 16:42:28 +00:00
ipv6 rxrpc: Call udp_sendmsg() directly 2022-11-08 16:42:28 +00:00
iucv net: keep sk->sk_forward_alloc as small as possible 2022-06-10 16:21:27 -07:00
kcm kcm: do not sense pfmemalloc status in kcm_sendpage() 2022-10-27 11:25:13 -07:00
key Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2022-08-24 12:51:50 +01:00
l2tp inet6: Remove inet6_destroy_sock() in sk->sk_prot->destroy(). 2022-10-24 09:40:38 +01:00
l3mdev l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2022-04-15 14:27:24 -07:00
lapb net: lapb: Use list_for_each_entry() to simplify code in lapb_iface.c 2021-06-08 16:31:25 -07:00
llc net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
mac80211 Random number generator fixes for Linux 6.1-rc1. 2022-10-16 15:27:07 -07:00
mac802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-10-27 16:56:36 -07:00
mctp mctp: prevent double key removal and unref 2022-10-12 13:30:50 +01:00
mpls net: Use u64_stats_fetch_begin_irq() for stats fetch. 2022-08-29 13:02:27 +01:00
mptcp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-10-27 16:56:36 -07:00
ncsi genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netfilter netfilter: nft_inner: set tunnel offset to GRE header offset 2022-10-25 13:48:42 +02:00
netlabel genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-10-27 16:56:36 -07:00
netrom net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
nfc NFC: hci: Split memcpy() of struct hcp_message flexible array 2022-09-27 07:45:18 -07:00
nsh
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-10-27 16:56:36 -07:00
packet net: dev: Convert sa_data to flexible array in struct sockaddr 2022-10-25 11:44:20 -07:00
phonet net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
psample genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
qrtr net: qrtr: start MHI channel after endpoit creation 2022-08-15 11:21:42 +01:00
rds net/rds: remove variable total_copied 2022-10-26 20:14:40 -07:00
rfkill rfkill: make new event layout opt-in 2022-03-18 13:09:17 +02:00
rose rose: check NULL rose_loopback_neigh->loopback 2022-08-22 14:24:54 +01:00
rxrpc rxrpc: Clean up ACK handling 2022-11-08 16:42:28 +00:00
sched act_skbedit: skbedit queue mapping for receive queue 2022-10-25 10:32:40 +02:00
sctp sctp: Call inet6_destroy_sock() via sk->sk_destruct(). 2022-10-24 09:40:39 +01:00
smc net/smc: Fix an error code in smc_lgr_create() 2022-10-15 11:12:12 +01:00
strparser strparser: pad sk_skb_cb to avoid straddling cachelines 2022-07-08 18:38:44 -07:00
sunrpc Random number generator fixes for Linux 6.1-rc1. 2022-10-16 15:27:07 -07:00
switchdev net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
tipc tipc: fix a null-ptr-deref in tipc_topsrv_accept 2022-10-20 21:08:17 -07:00
tls tls: strp: make sure the TCP skbs do not have overlapping data 2022-10-14 08:25:26 +01:00
unix Random number generator fixes for Linux 6.1-rc1. 2022-10-16 15:27:07 -07:00
vmw_vsock Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-10-03 17:44:18 -07:00
wireless Merge branch 'cve-fixes-2022-10-13' 2022-10-13 11:59:56 +02:00
x25 net/x25: fix call timeouts in blocking connects 2022-08-08 20:48:51 -07:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-10-03 17:44:18 -07:00
xfrm treewide: use prandom_u32_max() when possible, part 1 2022-10-11 17:42:55 -06:00
compat.c net: clear msg_get_inq in __get_compat_msghdr() 2022-09-20 08:23:20 -07:00
devres.c net: devres: Correct a grammatical error 2021-06-11 12:55:28 -07:00
Kconfig Remove DECnet support from kernel 2022-08-22 14:26:30 +01:00
Kconfig.debug net: make NET_(DEV|NS)_REFCNT_TRACKER depend on NET 2022-09-20 14:23:56 -07:00
Makefile Remove DECnet support from kernel 2022-08-22 14:26:30 +01:00
socket.c net: introduce and use custom sockopt socket flag 2022-10-24 10:52:50 +01:00
sysctl_net.c sections: move and rename core_kernel_data() to is_kernel_core_data() 2021-11-09 10:02:50 -08:00