net: mvneta: add basic XDP support
authorLorenzo Bianconi <lorenzo@kernel.org>
Sat, 19 Oct 2019 08:13:24 +0000 (10:13 +0200)
committerDavid S. Miller <davem@davemloft.net>
Mon, 21 Oct 2019 17:36:07 +0000 (10:36 -0700)
commit0db51da7a8e99f0803ec3a8e25c1a66234a219cb
tree20b264225d8b4a4e513c4eff1250b29698c31af9
parent8dc9a0888f4c8e27b25e48ff1b4bc2b3a845cc2d
net: mvneta: add basic XDP support

Add basic XDP support to mvneta driver for devices that rely on software
buffer management. Currently supported verdicts are:
- XDP_DROP
- XDP_PASS
- XDP_REDIRECT
- XDP_ABORTED

- iptables drop:
$iptables -t raw -I PREROUTING -p udp --dport 9 -j DROP
$nstat -n && sleep 1 && nstat
IpInReceives 151169 0.0
IpExtInOctets 6953544 0.0
IpExtInNoECTPkts 151165 0.0

- XDP_DROP via xdp1
$./samples/bpf/xdp1 3
proto 0: 421419 pkt/s
proto 0: 421444 pkt/s
proto 0: 421393 pkt/s
proto 0: 421440 pkt/s
proto 0: 421184 pkt/s

Tested-by: Matteo Croce <mcroce@redhat.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/marvell/mvneta.c