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4f884f3962
linux/net
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zhenggy 4f884f3962 tcp: fix tp->undo_retrans accounting in tcp_sacktag_one() 
Commit 10d3be5692 ("tcp-tso: do not split TSO packets at retransmit
time") may directly retrans a multiple segments TSO/GSO packet without
split, Since this commit, we can no longer assume that a retransmitted
packet is a single segment.

This patch fixes the tp->undo_retrans accounting in tcp_sacktag_one()
that use the actual segments(pcount) of the retransmitted packet.

Before that commit (10d3be5692), the assumption underlying the
tp->undo_retrans-- seems correct.

Fixes: 10d3be5692 ("tcp-tso: do not split TSO packets at retransmit time")
Signed-off-by: zhenggy <zhenggy@chinatelecom.cn>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-09-14 14:23:09 +01:00
..
6lowpan 6lowpan: iphc: Fix an off-by-one check of array index 2021-07-22 16:19:03 +02:00
9p
802 net: 802: remove dead leftover after ipx driver removal 2021-08-13 16:30:35 -07:00
8021q dev_ioctl: split out ndo_eth_ioctl 2021-07-27 20:11:45 +01:00
appletalk net: socket: rework compat_ifreq_ioctl() 2021-07-23 14:20:25 +01:00
atm atm: Use list_for_each_entry() to simplify code in resources.c 2021-06-10 14:08:09 -07:00
ax25 ax25: use skb_expand_head 2021-08-03 11:21:39 +01:00
batman-adv Kbuild updates for v5.15 2021-09-03 15:33:47 -07:00
bluetooth TTY / Serial patches for 5.15-rc1 2021-09-01 09:51:16 -07:00
bpf bpf: Refactor BPF_PROG_RUN into a function 2021-08-17 00:45:07 +02:00
bpfilter bpfilter: Specify the log level for the kmsg message 2021-06-25 13:13:50 +02:00
bridge net: bridge: mcast: fix vlan port router deadlock 2021-09-03 13:43:19 +01:00
caif net-caif: avoid user-triggerable WARN_ON(1) 2021-09-14 12:51:15 +01:00
can net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
ceph Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2021-09-14 13:09:54 +01:00
dcb
dccp dccp: don't duplicate ccid when cloning dccp sock 2021-09-08 11:28:35 +01:00
decnet net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
dns_resolver
dsa net: dsa: tag_rtl4_a: Fix egress tags 2021-09-01 11:48:05 +01:00
ethernet move netdev_boot_setup into Space.c 2021-08-03 13:05:26 +01:00
ethtool ethtool: extend coalesce setting uAPI with CQE mode 2021-08-24 07:38:29 -07:00
hsr net: hsr: don't check sequence number if tag removal is offloaded 2021-06-16 12:13:01 -07:00
ieee802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-08-13 06:41:22 -07:00
ife
ipv4 tcp: fix tp->undo_retrans accounting in tcp_sacktag_one() 2021-09-14 14:23:09 +01:00
ipv6 ipv6: delay fib6_sernum increase in fib6_add 2021-09-13 13:00:53 +01:00
iucv net/iucv: Replace deprecated CPU-hotplug functions. 2021-08-09 10:13:32 +01:00
kcm net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
key
l2tp net/l2tp: Fix reference count leak in l2tp_udp_recv_core 2021-09-09 11:00:20 +01:00
l3mdev
lapb
llc net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
mac80211 mac80211: parse transmit power envelope element 2021-08-26 10:18:56 +02:00
mac802154 ieee802154: Remove redundant initialization of variable ret 2021-09-07 14:06:08 +01:00
mctp mctp: perform route destruction under RCU read lock 2021-09-08 11:29:16 +01:00
mpls mpls: defer ttl decrement in mpls_forward() 2021-07-23 17:17:56 +01:00
mptcp mptcp: Only send extra TCP acks in eligible socket states 2021-09-03 11:49:30 +01:00
ncsi net/ncsi: add get MAC address command to get Intel i210 MAC address 2021-09-01 17:18:56 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2021-09-03 16:20:37 -07:00
netlabel net: fix NULL pointer reference in cipso_v4_doi_free 2021-08-30 12:23:18 +01:00
netlink net: netlink: Remove unused function 2021-07-30 18:35:47 +02:00
netrom net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
nfc net: in_irq() cleanup 2021-08-13 14:09:19 -07:00
nsh
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-08-19 18:09:18 -07:00
packet net/packet: clarify source of pr_*() messages 2021-09-10 10:00:59 +01:00
phonet net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
psample
qrtr net: qrtr: revert check in qrtr_endpoint_post() 2021-09-02 11:37:02 +01:00
rds net/rds: dma_map_sg is entitled to merge entries 2021-08-18 15:35:50 -07:00
rfkill
rose
rxrpc net: RxRPC: make dependent Kconfig symbols be shown indented 2021-08-18 10:12:11 +01:00
sched fq_codel: reject silly quantum parameters 2021-09-04 10:49:46 +01:00
sctp sctp: move the active_key update after sh_keys is added 2021-08-03 11:43:43 +01:00
smc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-08-13 06:41:22 -07:00
strparser net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
sunrpc NFS Client Updates for Linux 5.15 2021-09-04 10:25:26 -07:00
switchdev net: make switchdev_bridge_port_{,unoffload} loosely coupled with the bridge 2021-08-04 12:35:07 +01:00
tipc tipc: increase timeout in tipc_sk_enqueue() 2021-09-13 12:43:10 +01:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
unix net/af_unix: fix a data-race in unix_dgram_poll 2021-09-09 10:57:52 +01:00
vmw_vsock vsock/virtio: avoid potential deadlock when vsock device remove 2021-08-12 10:57:27 -07:00
wireless cfg80211: use wiphy DFS domain if it is self-managed 2021-08-26 11:04:55 +02:00
x25 net: x25: Use list_for_each_entry() to simplify code in x25_route.c 2021-06-10 14:08:09 -07:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ 2021-08-27 11:16:29 +01:00
compat.c
devres.c net: devres: Correct a grammatical error 2021-06-11 12:55:28 -07:00
Kconfig mctp: Add MCTP base 2021-07-29 15:06:49 +01:00
Makefile mctp: Add MCTP base 2021-07-29 15:06:49 +01:00
socket.c Core: 2021-08-31 16:43:06 -07:00
sysctl_net.c