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nfp: add IPv6 ttl and tos match offloading support 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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;