WSL2-Linux-Kernel/net
Jakub Kicinski e7b159a48b net/tls: remove the record tail optimization
For TLS device offload the tag/message authentication code are
filled in by the device. The kernel merely reserves space for
them. Because device overwrites it, the contents of the tag make
do no matter. Current code tries to save space by reusing the
header as the tag. This, however, leads to an additional frag
being created and defeats buffer coalescing (which trickles
all the way down to the drivers).

Remove this optimization, and try to allocate the space for
the tag in the usual way, leave the memory uninitialized.
If memory allocation fails rewind the record pointer so that
we use the already copied user data as tag.

Note that the optimization was actually buggy, as the tag
for TLS 1.2 is 16 bytes, but header is just 13, so the reuse
may had looked past the end of the page..

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07 18:10:34 +02:00
..
6lowpan
9p 9p pull request for inclusion in 5.13 2019-07-12 17:31:19 -07:00
802
8021q
appletalk net: Use skb_frag_off accessors 2019-07-30 14:21:32 -07:00
atm pppoatm: use %*ph to print small buffer 2019-09-05 12:33:28 +02:00
ax25
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-02 11:20:17 -07:00
bluetooth Bluetooth: hidp: Fix assumptions on the return value of hidp_send_message 2019-09-06 15:55:40 +02:00
bpf bpf/flow_dissector: support flags in BPF_PROG_TEST_RUN 2019-07-25 18:00:41 -07:00
bpfilter Kbuild updates for v5.3 2019-07-12 16:03:16 -07:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-02 11:20:17 -07:00
caif
can can: add support of SAE J1939 protocol 2019-09-04 14:22:33 +02:00
ceph libceph: don't call crypto_free_sync_skcipher() on a NULL tfm 2019-08-28 12:33:46 +02:00
core net: fib_notifier: move fib_notifier_ops from struct net into per-net struct 2019-09-07 17:28:22 +02:00
dcb
dccp proc/sysctl: add shared variables for range check 2019-07-18 17:08:07 -07:00
decnet
dns_resolver Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
dsa net: dsa: Fix off-by-one number of calls to devlink_port_unregister 2019-09-02 11:59:29 -07:00
ethernet
hsr hsr: switch ->dellink() to ->ndo_uninit() 2019-07-11 14:37:45 -07:00
ieee802154 Merge branch 'ieee802154-for-davem-2019-08-24' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan 2019-08-24 13:46:57 -07:00
ife
ipv4 ipmr: remove hard code cache_resolve_queue_len limit 2019-09-07 17:49:00 +02:00
ipv6 ipmr: remove hard code cache_resolve_queue_len limit 2019-09-07 17:49:00 +02:00
iucv net/af_iucv: mark expected switch fall-throughs 2019-07-29 10:26:14 -07:00
kcm net: Use skb_frag_off accessors 2019-07-30 14:21:32 -07:00
key Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-07-08 19:48:57 -07:00
l2tp compat_ioctl: pppoe: fix PPPOEIOCSFWD handling 2019-07-30 14:42:13 -07:00
l3mdev
lapb
llc
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-02 11:20:17 -07:00
mac802154
mpls ipv4: mpls: fix mpls_xmit for iptunnel 2019-08-25 14:34:08 -07:00
ncsi net/ncsi: add response handlers for PLDM over NC-SI 2019-08-31 23:54:03 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2019-09-07 16:31:30 +02:00
netlabel netlabel: remove redundant assignment to pointer iter 2019-09-01 11:45:02 -07:00
netlink
netrom netrom: hold sock when setting skb->destructor 2019-07-24 15:49:05 -07:00
nfc NFC: fix attrs checks in netlink interface 2019-07-29 08:56:26 -07:00
nsh
openvswitch net: openvswitch: Set OvS recirc_id from tc chain index 2019-09-06 14:59:18 +02:00
packet net/packet: fix race in tpacket_snd() 2019-08-15 13:59:48 -07:00
phonet
psample net: sched: act_sample: fix psample group handling on overwrite 2019-08-28 15:53:51 -07:00
qrtr
rds Convert usage of IN_MULTICAST to ipv4_is_multicast 2019-09-05 09:38:32 +02:00
rfkill
rose
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-02 11:20:17 -07:00
sched net_sched: act_police: add 2 new attributes to support police 64bit rate and peakrate 2019-09-06 15:02:16 +02:00
sctp sctp: allow users to set ep ecn flag by sockopt 2019-08-27 20:54:14 -07:00
smc net/smc: make sure EPOLLOUT is raised 2019-08-20 12:25:14 -07:00
strparser
sunrpc sunrpc: Use kzfree rather than its implementation. 2019-09-05 12:06:04 +02:00
switchdev
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-08-19 11:54:03 -07:00
tls net/tls: remove the record tail optimization 2019-09-07 18:10:34 +02:00
unix
vmw_vsock vsock/virtio: a better comment on credit update 2019-09-05 09:53:01 +02:00
wimax wimax: no need to check return value of debugfs_create functions 2019-08-10 15:25:47 -07:00
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-08-27 14:23:31 -07:00
x25
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-09-06 16:49:17 +02:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-08-27 14:23:31 -07:00
Kconfig devlink: Add packet trap infrastructure 2019-08-17 12:40:08 -07:00
Makefile
compat.c
socket.c Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
sysctl_net.c