From: Matan Barak <matanb@xxxxxxxxxxxx>
Adding a new ESP steering match filter that could match against
spi and seq used in IPSec protocol.
Reviewed-by: Yishai Hadas <yishaih@xxxxxxxxxxxx>
Signed-off-by: Matan Barak <matanb@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/core/uverbs.h | 1 +
drivers/infiniband/core/uverbs_cmd.c | 11 +++++++++++
include/rdma/ib_verbs.h | 16 ++++++++++++++++
include/uapi/rdma/ib_user_verbs.h | 18 ++++++++++++++++++
4 files changed, 46 insertions(+)
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index 1bac0b51686a..3229e87d03cb 100644
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -257,6 +257,7 @@ struct ib_uverbs_flow_spec {
};
struct ib_uverbs_flow_spec_eth eth;
struct ib_uverbs_flow_spec_ipv4 ipv4;
+ struct ib_uverbs_flow_spec_esp esp;
struct ib_uverbs_flow_spec_tcp_udp tcp_udp;
struct ib_uverbs_flow_spec_ipv6 ipv6;
struct ib_uverbs_flow_spec_action_tag flow_tag;
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 9c424f178b76..ccb92182bb4f 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -2931,6 +2931,17 @@ int ib_uverbs_kern_spec_to_ib_spec_filter(enum ib_flow_spec_type type,
(ntohl(ib_spec->tunnel.val.tunnel_id)) >= BIT(24))
return -EINVAL;
break;
+ case IB_FLOW_SPEC_ESP:
+ ib_filter_sz = offsetof(struct ib_flow_esp_filter, real_sz);
+ actual_filter_sz = spec_filter_size(kern_spec_mask,
+ kern_filter_sz,
+ ib_filter_sz);
+ if (actual_filter_sz <= 0)
+ return -EINVAL;
+ ib_spec->esp.size = sizeof(struct ib_flow_spec_esp);
+ memcpy(&ib_spec->esp.val, kern_spec_val, actual_filter_sz);
+ memcpy(&ib_spec->esp.mask, kern_spec_mask, actual_filter_sz);
+ break;
default:
return -EINVAL;
}
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 4fc6a24f2759..8b861de6bd6e 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1825,6 +1825,7 @@ enum ib_flow_spec_type {
/* L3 header*/
IB_FLOW_SPEC_IPV4 = 0x30,
IB_FLOW_SPEC_IPV6 = 0x31,
+ IB_FLOW_SPEC_ESP = 0x34,
/* L4 headers*/
IB_FLOW_SPEC_TCP = 0x40,
IB_FLOW_SPEC_UDP = 0x41,
@@ -1957,6 +1958,20 @@ struct ib_flow_spec_tunnel {
struct ib_flow_tunnel_filter mask;
};
+struct ib_flow_esp_filter {
+ __be32 spi;
+ __be32 seq;
+ /* Must be last */
+ u8 real_sz[0];
+};
+
+struct ib_flow_spec_esp {
+ u32 type;
+ u16 size;
+ struct ib_flow_esp_filter val;
+ struct ib_flow_esp_filter mask;
+};
+
struct ib_flow_spec_action_tag {
enum ib_flow_spec_type type;
u16 size;
@@ -1985,6 +2000,7 @@ union ib_flow_spec {
struct ib_flow_spec_tcp_udp tcp_udp;
struct ib_flow_spec_ipv6 ipv6;
struct ib_flow_spec_tunnel tunnel;
+ struct ib_flow_spec_esp esp;
struct ib_flow_spec_action_tag flow_tag;
struct ib_flow_spec_action_drop drop;
struct ib_flow_spec_action_handle action;
diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h
index ac41ce234186..df5d339952fe 100644
--- a/include/uapi/rdma/ib_user_verbs.h
+++ b/include/uapi/rdma/ib_user_verbs.h
@@ -1014,6 +1014,24 @@ struct ib_uverbs_flow_spec_tunnel {
struct ib_uverbs_flow_tunnel_filter mask;
};
+struct ib_uverbs_flow_spec_esp_filter {
+ __u32 spi;
+ __u32 seq;
+};
+
+struct ib_uverbs_flow_spec_esp {
+ union {
+ struct ib_uverbs_flow_spec_hdr hdr;
+ struct {
+ __u32 type;
+ __u16 size;
+ __u16 reserved;
+ };
+ };
+ struct ib_uverbs_flow_spec_esp_filter val;
+ struct ib_uverbs_flow_spec_esp_filter mask;
+};
+
struct ib_uverbs_flow_attr {
__u32 type;
__u16 size;
--
2.14.3
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