linux/net/core
David Howells d57a3a1516 rxrpc: Save last ACK's SACK table rather than marking txbufs
Improve the tracking of which packets need to be transmitted by saving the
last ACK packet that we receive that has a populated soft-ACK table rather
than marking packets.  Then we can step through the soft-ACK table and look
at the packets we've transmitted beyond that to determine which packets we
might want to retransmit.

We also look at the highest serial number that has been acked to try and
guess which packets we've transmitted the peer is likely to have seen.  If
necessary, we send a ping to retrieve that number.

One downside that might be a problem is that we can't then compare the
previous acked/unacked state so easily in rxrpc_input_soft_acks() - which
is a potential problem for the slow-start algorithm.

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
..
bpf_sk_storage.c net: Fix data-races around sysctl_optmem_max. 2022-08-24 13:46:57 +01:00
datagram.c tcp: TX zerocopy should not sense pfmemalloc status 2022-09-02 12:29:02 +01:00
dev_addr_lists_test.c net: kunit: add a test for dev_addr_lists 2021-11-20 12:25:57 +00:00
dev_addr_lists.c net: extract a few internals from netdevice.h 2022-04-07 20:32:09 -07:00
dev_ioctl.c net: dev: Convert sa_data to flexible array in struct sockaddr 2022-10-25 11:44:20 -07:00
dev.c net: dev: Convert sa_data to flexible array in struct sockaddr 2022-10-25 11:44:20 -07:00
dev.h net: add skb_defer_max sysctl 2022-05-16 11:33:59 +01:00
devlink.c net: devlink: add port_init/fini() helpers to allow pre-register/post-unregister functions 2022-09-30 18:17:16 -07:00
drop_monitor.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
dst_cache.c wireguard: device: reset peer src endpoint when netns exits 2021-11-29 19:50:45 -08:00
dst.c net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
failover.c net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
fib_notifier.c
fib_rules.c fib: expand fib_rule_policy 2021-12-16 07:18:35 -08:00
filter.c Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-10-03 13:02:49 -07:00
flow_dissector.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-09-22 13:02:10 -07:00
flow_offload.c flow_offload: Introduce flow_match_l2tpv3 2022-09-20 09:13:38 +02:00
gen_estimator.c net: sched: Remove Qdisc::running sequence counter 2021-10-18 12:54:41 +01:00
gen_stats.c net: sched: fix misuse of qcpu->backlog in gnet_stats_add_queue_cpu 2022-08-16 19:38:20 -07:00
gro_cells.c net: drop the weight argument from netif_napi_add 2022-09-28 18:57:14 -07:00
gro.c gro: add support of (hw)gro packets to gro stack 2022-10-03 12:38:34 +01:00
hwbm.c
link_watch.c net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
lwt_bpf.c bpf, lwt: Fix crash when using bpf_skb_set_tunnel_key() from bpf_xmit lwt hook 2022-04-22 17:45:25 +02:00
lwtunnel.c xfrm: lwtunnel: add lwtunnel support for xfrm interfaces in collect_md mode 2022-08-29 10:44:08 +02:00
Makefile net: skb: export skb drop reaons to user by TRACE_DEFINE_ENUM 2022-09-07 15:28:08 +01:00
neighbour.c treewide: use prandom_u32_max() when possible, part 1 2022-10-11 17:42:55 -06:00
net_namespace.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-10-24 13:44:11 -07:00
net-procfs.c net: extract a few internals from netdevice.h 2022-04-07 20:32:09 -07:00
net-sysfs.c net-sysfs: Convert to use sysfs_emit() APIs 2022-09-30 12:27:44 +01:00
net-sysfs.h
net-traces.c
netclassid_cgroup.c core: Variable type completion 2022-08-31 09:40:34 +01:00
netevent.c
netpoll.c net: move from strlcpy with unused retval to strscpy 2022-08-22 18:06:18 -07:00
netprio_cgroup.c
of_net.c Revert "of: net: support NVMEM cells with MAC in text format" 2022-01-12 14:14:36 +00:00
page_pool.c - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
pktgen.c treewide: use get_random_u32() when possible 2022-10-11 17:42:58 -06:00
ptp_classifier.c ptp: Add generic PTP is_sync() function 2022-03-07 11:31:34 +00:00
request_sock.c
rtnetlink.c net: rtnetlink: Enslave device before bringing it up 2022-09-20 08:37:44 -07:00
scm.c
secure_seq.c tcp: Fix data-races around sysctl knobs related to SYN option. 2022-07-20 10:14:49 +01:00
selftests.c net: core: constify mac addrs in selftests 2021-10-24 13:59:44 +01:00
skbuff.c rxrpc: Save last ACK's SACK table rather than marking txbufs 2022-11-08 16:42:28 +00:00
skmsg.c skmsg: pass gfp argument to alloc_sk_msg() 2022-10-16 20:57:17 +01:00
sock_destructor.h skb_expand_head() adjust skb->truesize incorrectly 2021-10-22 12:35:51 -07:00
sock_diag.c net: Don't include filter.h from net/sock.h 2021-12-29 08:48:14 -08:00
sock_map.c Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-08-17 20:29:36 -07:00
sock_reuseport.c soreuseport: Fix socket selection for SO_INCOMING_CPU. 2022-10-25 11:35:16 +02:00
sock.c soreuseport: Fix socket selection for SO_INCOMING_CPU. 2022-10-25 11:35:16 +02:00
stream.c treewide: use prandom_u32_max() when possible, part 1 2022-10-11 17:42:55 -06:00
sysctl_net_core.c net: sysctl: remove unused variable long_max 2022-09-07 15:31:19 +01:00
timestamping.c
tso.c
utils.c net: core: Use csum_replace_by_diff() and csum_sub() instead of opencoding 2022-02-21 11:40:44 +00:00
xdp.c xdp: improve page_pool xdp_return performance 2022-09-26 11:28:19 -07:00