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authorJohn Hurley <john.hurley@netronome.com>2018-08-07 18:35:59 +0300
committerDavid S. Miller <davem@davemloft.net>2018-08-07 22:22:14 +0300
commitd7ff7ec573860dc654fa4c8641684ba3db03004e (patch)
treecc2d33188e202258559641b689073b7fa42e0286 /drivers
parent2a43747147699c6187d8508b40a28a50f42b0ee5 (diff)
downloadlinux-d7ff7ec573860dc654fa4c8641684ba3db03004e.tar.xz
nfp: flower: allow matching on ipv4 UDP tunnel tos and ttl
The addition of FLOW_DISSECTOR_KEY_ENC_IP to TC flower means that the ToS and TTL of the tunnel header can now be matched on. Extend the NFP tunnel match function to include these new fields. Signed-off-by: John Hurley <john.hurley@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')
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/cmsg.h7
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/match.c9
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/offload.c4
3 files changed, 17 insertions, 3 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
index 15f1eacd76b6..174acecfba01 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
+++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
@@ -346,7 +346,7 @@ struct nfp_flower_ipv6 {
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | ipv4_addr_dst |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * | Reserved |
+ * | Reserved | tos | ttl |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Reserved |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
@@ -356,7 +356,10 @@ struct nfp_flower_ipv6 {
struct nfp_flower_ipv4_udp_tun {
__be32 ip_src;
__be32 ip_dst;
- __be32 reserved[2];
+ __be16 reserved1;
+ u8 tos;
+ u8 ttl;
+ __be32 reserved2;
__be32 tun_id;
};
diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c
index 84f7a5dbea9d..b1cbe6927cba 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/match.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/match.c
@@ -270,6 +270,7 @@ nfp_flower_compile_ipv4_udp_tun(struct nfp_flower_ipv4_udp_tun *frame,
struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
struct flow_dissector_key_ipv4_addrs *tun_ips;
struct flow_dissector_key_keyid *vni;
+ struct flow_dissector_key_ip *ip;
memset(frame, 0, sizeof(struct nfp_flower_ipv4_udp_tun));
@@ -293,6 +294,14 @@ nfp_flower_compile_ipv4_udp_tun(struct nfp_flower_ipv4_udp_tun *frame,
frame->ip_src = tun_ips->src;
frame->ip_dst = tun_ips->dst;
}
+
+ if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_ENC_IP)) {
+ ip = skb_flow_dissector_target(flow->dissector,
+ FLOW_DISSECTOR_KEY_ENC_IP,
+ target);
+ frame->tos = ip->tos;
+ frame->ttl = ip->ttl;
+ }
}
int nfp_flower_compile_flow_match(struct tc_cls_flower_offload *flow,
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index 6bc8a97f7e03..d2230a0e49b9 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -66,6 +66,7 @@
BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | \
BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | \
BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | \
+ BIT(FLOW_DISSECTOR_KEY_ENC_IP) | \
BIT(FLOW_DISSECTOR_KEY_MPLS) | \
BIT(FLOW_DISSECTOR_KEY_IP))
@@ -74,7 +75,8 @@
BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | \
BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | \
BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | \
- BIT(FLOW_DISSECTOR_KEY_ENC_PORTS))
+ BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | \
+ BIT(FLOW_DISSECTOR_KEY_ENC_IP))
#define NFP_FLOWER_WHITELIST_TUN_DISSECTOR_R \
(BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | \