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linux-stable/net
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Lorenzo Bianconi 65e6dcf733 net, veth: Alloc skb in bulk for ndo_xdp_xmit 
Split ndo_xdp_xmit and ndo_start_xmit use cases in veth_xdp_rcv routine
in order to alloc skbs in bulk for XDP_PASS verdict.

Introduce xdp_alloc_skb_bulk utility routine to alloc skb bulk list.
The proposed approach has been tested in the following scenario:

eth (ixgbe) --> XDP_REDIRECT --> veth0 --> (remote-ns) veth1 --> XDP_PASS

XDP_REDIRECT: xdp_redirect_map bpf sample
XDP_PASS: xdp_rxq_info bpf sample

traffic generator: pkt_gen sending udp traffic on a remote device

bpf-next master: ~3.64Mpps
bpf-next + skb bulking allocation: ~3.79Mpps

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Toshiaki Makita <toshiaki.makita1@gmail.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Link: https://lore.kernel.org/bpf/a14a30d3c06fff24e13f836c733d80efc0bd6eb5.1611957532.git.lorenzo@kernel.org
2021-02-04 01:00:07 +01:00
..
6lowpan
9p 9p for 5.11-rc1 2020-12-21 10:28:02 -08:00
802
8021q Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-01-14 18:34:50 -08:00
appletalk
atm atm: nicstar: Replace in_interrupt() usage 2020-11-18 16:43:55 -08:00
ax25
batman-adv batman-adv: Drop unused soft-interface.h include in fragmentation.c 2020-12-04 08:41:16 +01:00
bluetooth Bluetooth: Increment management interface revision 2020-12-07 17:02:00 +02:00
bpf Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-01-20 12:16:11 -08:00
bpfilter
bridge net: bridge: check vlan with eth_type_vlan() method 2021-01-18 14:27:33 -08:00
caif
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-01-14 18:34:50 -08:00
ceph libceph: align session_key and con_secret to 16 bytes 2020-12-28 20:34:33 +01:00
core net, veth: Alloc skb in bulk for ndo_xdp_xmit 2021-02-04 01:00:07 +01:00
dcb net: dcb: Accept RTM_GETDCB messages carrying set-like DCB commands 2021-01-12 15:55:21 -08:00
dccp selinux/stable-5.11 PR 20201214 2020-12-16 11:01:04 -08:00
decnet
dns_resolver
dsa net: dsa: add ops for devlink-sb 2021-01-15 20:02:34 -08:00
ethernet net: datagram: fix some kernel-doc markups 2020-11-17 14:15:03 -08:00
ethtool ethtool: fix error paths in ethnl_set_channels() 2020-12-16 13:27:17 -08:00
hsr
ieee802154
ife
ipv4 bpf: Allow rewriting to ports under ip_unprivileged_port_start 2021-01-27 18:18:15 -08:00
ipv6 bpf: Allow rewriting to ports under ip_unprivileged_port_start 2021-01-27 18:18:15 -08:00
iucv net/af_iucv: use DECLARE_SOCKADDR to cast from sockaddr 2020-12-08 15:56:53 -08:00
kcm net: group skb_shinfo zerocopy related bits together. 2021-01-07 16:08:37 -08:00
key
l2tp lsm,selinux: pass flowi_common instead of flowi to the LSM hooks 2020-11-23 18:36:21 -05:00
l3mdev
lapb net: lapb: Decrease the refcount of "struct lapb_cb" in lapb_device_event 2021-01-04 13:42:41 -08:00
llc
mac80211 mac80211: check if atf has been disabled in __ieee80211_schedule_txq 2021-01-14 22:27:38 +01:00
mac802154
mpls
mptcp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-01-14 18:34:50 -08:00
ncsi net/ncsi: Use real net-device for response handler 2020-12-23 12:22:23 -08:00
netfilter netfilter: nf_nat: Fix memleak in nf_nat_init 2021-01-11 00:34:11 +01:00
netlabel Merge https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-11-19 19:08:46 -08:00
netlink
netrom
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-01-20 12:16:11 -08:00
nsh
openvswitch net: openvswitch: add log message for error case 2021-01-14 16:32:14 -08:00
packet net: af_packet: fix procfs header for 64-bit pointers 2020-12-18 12:17:23 -08:00
phonet
psample
qrtr net: qrtr: fix null-ptr-deref in qrtr_ns_remove 2021-01-05 16:50:09 -08:00
rds rds: stop using dmapool 2020-11-17 15:22:06 -04:00
rfkill rfkill: add a reason to the HW rfkill state 2020-12-11 12:47:17 +01:00
rose rose: Fix Null pointer dereference in rose_send_frame() 2020-11-20 10:04:58 -08:00
rxrpc rxrpc: Call state should be read with READ_ONCE() under some circumstances 2021-01-13 10:38:20 -08:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-01-20 12:16:11 -08:00
sctp sctp: remove the NETIF_F_SG flag before calling skb_segment 2021-01-16 19:05:59 -08:00
smc net/smc: use memcpy instead of snprintf to avoid out of bounds read 2021-01-12 20:22:01 -08:00
strparser
sunrpc Fixes: 2021-01-19 13:01:50 -08:00
switchdev net: switchdev: remove the transaction structure from port attributes 2021-01-11 16:00:57 -08:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-01-14 18:34:50 -08:00
tls net/tls: Except bond interface from some TLS checks 2021-01-18 20:48:40 -08:00
unix
vmw_vsock af_vsock: Assign the vsock transport considering the vsock address flags 2020-12-14 19:33:39 -08:00
wireless cfg80211: Save the regulatory domain with a lock 2021-01-08 21:03:27 +01:00
x25 net: x25: Remove unimplemented X.25-over-LLC code stubs 2020-12-12 17:15:33 -08:00
xdp xsk: Fold xp_assign_dev and __xp_assign_dev 2021-01-25 23:56:33 +01:00
xfrm selinux/stable-5.11 PR 20201214 2020-12-16 11:01:04 -08:00
compat.c
devres.c
Kconfig
Makefile
socket.c bpf: Remove extra lock_sock for TCP_ZEROCOPY_RECEIVE 2021-01-20 14:23:00 -08:00
sysctl_net.c