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authorPieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>2017-10-06 10:21:22 +0200
committerDavid S. Miller <davem@davemloft.net>2017-10-06 09:56:35 -0700
commitfc53b4a7014aab8c260c2b81ae6c24687dff3045 (patch)
tree4dd1b5488922ab4e7799f15cea04f4899a0c0166 /drivers/net
parenta1e9203cc6e5247f6e7af897252ca92cdf5edb70 (diff)
downloadlinux-fc53b4a7014aab8c260c2b81ae6c24687dff3045.tar.bz2
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/match.c11
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/offload.c10
2 files changed, 10 insertions, 11 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c
index d6096b4f1391..60614d4f0e22 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/match.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/match.c
@@ -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
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index 3651db5dfb8b..6f239c27964e 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -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;