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nfp: add IPv6 ttl and tos match offloading support

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Previously matching on IPv6 ttl and tos fields were not offloaded. This
patch enables offloading IPv6 ttl and tos as match fields.

Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pieter Jansen van Vuuren 2017-10-06 10:21:22 +02:00 committed by David S. Miller
parent a1e9203cc6
commit fc53b4a701
2 changed files with 10 additions and 11 deletions
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11
drivers/net/ethernet/netronome/nfp/flower/match.c
View file

@ -194,7 +194,6 @@ nfp_flower_compile_ipv6(struct nfp_flower_ipv6 *frame,
struct flow_dissector_key_ipv6_addrs *addr;
struct flow_dissector_key_basic *basic;
/* Wildcard LABEL/TOS/TTL for now. */
memset(frame, 0, sizeof(struct nfp_flower_ipv6));
if (dissector_uses_key(flow->dissector,
@ -212,6 +211,16 @@ nfp_flower_compile_ipv6(struct nfp_flower_ipv6 *frame,
target);
frame->proto = basic->ip_proto;
}
if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_IP)) {
struct flow_dissector_key_ip *flow_ip;
flow_ip = skb_flow_dissector_target(flow->dissector,
FLOW_DISSECTOR_KEY_IP,
target);
frame->tos = flow_ip->tos;
frame->ttl = flow_ip->ttl;
}
}
static void

10
drivers/net/ethernet/netronome/nfp/flower/offload.c
View file

@ -135,7 +135,6 @@ nfp_flower_calculate_key_layers(struct nfp_fl_key_ls *ret_key_ls,
{
struct flow_dissector_key_basic *mask_basic = NULL;
struct flow_dissector_key_basic *key_basic = NULL;
struct flow_dissector_key_ip *mask_ip = NULL;
u32 key_layer_two;
u8 key_layer;
int key_size;
@ -207,11 +206,6 @@ nfp_flower_calculate_key_layers(struct nfp_fl_key_ls *ret_key_ls,
flow->key);
}
if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_IP))
mask_ip = skb_flow_dissector_target(flow->dissector,
FLOW_DISSECTOR_KEY_IP,
flow->mask);
if (mask_basic && mask_basic->n_proto) {
/* Ethernet type is present in the key. */
switch (key_basic->n_proto) {
@ -221,10 +215,6 @@ nfp_flower_calculate_key_layers(struct nfp_fl_key_ls *ret_key_ls,
break;
case cpu_to_be16(ETH_P_IPV6):
if (mask_ip && mask_ip->tos)
return -EOPNOTSUPP;
if (mask_ip && mask_ip->ttl)
return -EOPNOTSUPP;
key_layer |= NFP_FLOWER_LAYER_IPV6;
key_size += sizeof(struct nfp_flower_ipv6);
break;