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| author | Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com> | 2018-08-07 17:36:03 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-08-07 12:22:15 -0700 |
| commit | 0a22b17a6b1ddb161fae7452faa892ba4d77ebe9 (patch) | |
| tree | 024cd46c881727a9d71df68cdc0d76524b844059 /drivers/net/ethernet/netronome/nfp/flower/match.c | |
| parent | 9e7c32fe44248b5101173b1184707bc5506e00f3 (diff) | |
| download | linux-0a22b17a6b1ddb161fae7452faa892ba4d77ebe9.tar.gz linux-0a22b17a6b1ddb161fae7452faa892ba4d77ebe9.tar.bz2 linux-0a22b17a6b1ddb161fae7452faa892ba4d77ebe9.zip | |
nfp: flower: add geneve option match offload
Introduce a new layer for matching on geneve options. This allows
offloading filters configured to match geneve with options.
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/match.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/match.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c index b1cbe6927cba..a0c72f277faa 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/match.c +++ b/drivers/net/ethernet/netronome/nfp/flower/match.c @@ -262,6 +262,21 @@ nfp_flower_compile_ipv6(struct nfp_flower_ipv6 *frame, nfp_flower_compile_ip_ext(&frame->ip_ext, flow, mask_version); } +static int +nfp_flower_compile_geneve_opt(void *key_buf, struct tc_cls_flower_offload *flow, + bool mask_version) +{ + struct fl_flow_key *target = mask_version ? flow->mask : flow->key; + struct flow_dissector_key_enc_opts *opts; + + opts = skb_flow_dissector_target(flow->dissector, + FLOW_DISSECTOR_KEY_ENC_OPTS, + target); + memcpy(key_buf, opts->data, opts->len); + + return 0; +} + static void nfp_flower_compile_ipv4_udp_tun(struct nfp_flower_ipv4_udp_tun *frame, struct tc_cls_flower_offload *flow, @@ -424,6 +439,16 @@ int nfp_flower_compile_flow_match(struct tc_cls_flower_offload *flow, nfp_flow->nfp_tun_ipv4_addr = tun_dst; nfp_tunnel_add_ipv4_off(netdev_repr->app, tun_dst); } + + if (key_ls->key_layer_two & NFP_FLOWER_LAYER2_GENEVE_OP) { + err = nfp_flower_compile_geneve_opt(ext, flow, false); + if (err) + return err; + + err = nfp_flower_compile_geneve_opt(msk, flow, true); + if (err) + return err; + } } return 0; |