linux-xiaomi-chiron/net/core
Eric Dumazet 8dc1c444df net: gro: do not keep too many GRO packets in napi->rx_list
Commit c80794323e ("net: Fix packet reordering caused by GRO and
listified RX cooperation") had the unfortunate effect of adding
latencies in common workloads.

Before the patch, GRO packets were immediately passed to
upper stacks.

After the patch, we can accumulate quite a lot of GRO
packets (depdending on NAPI budget).

My fix is counting in napi->rx_count number of segments
instead of number of logical packets.

Fixes: c80794323e ("net: Fix packet reordering caused by GRO and listified RX cooperation")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Bisected-by: John Sperbeck <jsperbeck@google.com>
Tested-by: Jian Yang <jianyang@google.com>
Cc: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Alexander Lobakin <alobakin@pm.me>
Link: https://lore.kernel.org/r/20210204213146.4192368-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-02-05 19:28:01 -08:00
..
bpf_sk_storage.c bpf: Expose bpf_sk_storage_* to iterator programs 2020-12-04 22:32:40 +01:00
datagram.c udp: fix skb_copy_and_csum_datagram with odd segment sizes 2021-02-04 18:56:56 -08:00
datagram.h
dev.c net: gro: do not keep too many GRO packets in napi->rx_list 2021-02-05 19:28:01 -08:00
dev_addr_lists.c
dev_ioctl.c
devlink.c net: core: devlink: use right genl user_ptr when handling port param get/set 2021-01-19 11:45:41 -08:00
drop_monitor.c
dst.c
dst_cache.c
failover.c
fib_notifier.c
fib_rules.c
filter.c bpf: Only provide bpf_sock_from_file with CONFIG_NET 2020-12-08 18:23:36 -08:00
flow_dissector.c
flow_offload.c net: flow_offload: Fix memory leak for indirect flow block 2020-12-09 16:08:33 -08:00
gen_estimator.c net_sched: gen_estimator: support large ewma log 2021-01-15 18:11:06 -08:00
gen_stats.c
gro_cells.c gro_cells: reduce number of synchronize_net() calls 2020-11-25 11:28:12 -08:00
hwbm.c
link_watch.c
lwt_bpf.c lwt_bpf: Replace preempt_disable() with migrate_disable() 2020-12-07 11:53:40 -08:00
lwtunnel.c
Makefile
neighbour.c neighbour: Prevent a dead entry from updating gc_list 2021-01-30 11:09:07 -08:00
net-procfs.c
net-sysfs.c net-sysfs: take the rtnl lock when accessing xps_rxqs_map and num_tc 2020-12-28 13:26:46 -08:00
net-sysfs.h
net-traces.c
net_namespace.c fixes-v5.11 2020-12-14 16:40:27 -08:00
netclassid_cgroup.c net: Remove the err argument from sock_from_file 2020-12-04 22:32:40 +01:00
netevent.c
netpoll.c
netprio_cgroup.c net: Remove the err argument from sock_from_file 2020-12-04 22:32:40 +01:00
page_pool.c
pktgen.c
ptp_classifier.c
request_sock.c
rtnetlink.c net: make free_netdev() more lenient with unregistering devices 2021-01-08 19:27:41 -08:00
scm.c
secure_seq.c
skbuff.c skbuff: back tiny skbs with kmalloc() in __netdev_alloc_skb() too 2021-01-16 19:02:04 -08:00
skmsg.c
sock.c net: Remove the err argument from sock_from_file 2020-12-04 22:32:40 +01:00
sock_diag.c
sock_map.c bpf: Eliminate rlimit-based memory accounting for sockmap and sockhash maps 2020-12-02 18:32:47 -08:00
sock_reuseport.c udp: Prevent reuseport_select_sock from reading uninitialized socks 2021-01-08 19:15:40 -08:00
stream.c
sysctl_net_core.c
timestamping.c
tso.c
utils.c
xdp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-12-11 22:29:38 -08:00