IB/core: Add IPv6 support to flow steering

Add IPv6 flow specification support.

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index 6c2292397cd68d5c3fa139ed9aae40497c1f840e..b7f3b8d359b960a8bdfd3ef515484a0028022c27 100644 (file)
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -226,6 +226,7 @@ struct ib_uverbs_flow_spec {
                struct ib_uverbs_flow_spec_eth     eth;
                struct ib_uverbs_flow_spec_ipv4    ipv4;
                struct ib_uverbs_flow_spec_tcp_udp tcp_udp;
+               struct ib_uverbs_flow_spec_ipv6    ipv6;
        };
 };
 

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 65ab2097cd81bea7d552083b6cf9c1aa98f8dddd..f6647318138d77cf7d621dfc9f66515ad9a4b9f9 100644 (file)
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -3105,6 +3105,15 @@ static int kern_spec_to_ib_spec(struct ib_uverbs_flow_spec *kern_spec,
                memcpy(&ib_spec->ipv4.mask, &kern_spec->ipv4.mask,
                       sizeof(struct ib_flow_ipv4_filter));
                break;
+       case IB_FLOW_SPEC_IPV6:
+               ib_spec->ipv6.size = sizeof(struct ib_flow_spec_ipv6);
+               if (ib_spec->ipv6.size != kern_spec->ipv6.size)
+                       return -EINVAL;
+               memcpy(&ib_spec->ipv6.val, &kern_spec->ipv6.val,
+                      sizeof(struct ib_flow_ipv6_filter));
+               memcpy(&ib_spec->ipv6.mask, &kern_spec->ipv6.mask,
+                      sizeof(struct ib_flow_ipv6_filter));
+               break;
        case IB_FLOW_SPEC_TCP:
        case IB_FLOW_SPEC_UDP:
                ib_spec->tcp_udp.size = sizeof(struct ib_flow_spec_tcp_udp);

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 9b2fafe5eb382dcdfb1861dc023fa393867d291d..9bbca6887f7fa040b939f83c52df8feb94b1d02c 100644 (file)
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1569,6 +1569,7 @@ enum ib_flow_spec_type {
        IB_FLOW_SPEC_IB         = 0x22,
        /* L3 header*/
        IB_FLOW_SPEC_IPV4       = 0x30,
+       IB_FLOW_SPEC_IPV6       = 0x31,
        /* L4 headers*/
        IB_FLOW_SPEC_TCP        = 0x40,
        IB_FLOW_SPEC_UDP        = 0x41
@@ -1630,6 +1631,18 @@ struct ib_flow_spec_ipv4 {
        struct ib_flow_ipv4_filter mask;
 };
 
+struct ib_flow_ipv6_filter {
+       u8      src_ip[16];
+       u8      dst_ip[16];
+};
+
+struct ib_flow_spec_ipv6 {
+       enum ib_flow_spec_type     type;
+       u16                        size;
+       struct ib_flow_ipv6_filter val;
+       struct ib_flow_ipv6_filter mask;
+};
+
 struct ib_flow_tcp_udp_filter {
        __be16  dst_port;
        __be16  src_port;
@@ -1651,6 +1664,7 @@ union ib_flow_spec {
        struct ib_flow_spec_ib          ib;
        struct ib_flow_spec_ipv4        ipv4;
        struct ib_flow_spec_tcp_udp     tcp_udp;
+       struct ib_flow_spec_ipv6        ipv6;
 };
 
 struct ib_flow_attr {

diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h
index 2c8bca8cd2c224f646ea35bb5a966eb8fe2fc37b..7f035f4b53b0f8ec74e873bc32382ddf9f234382 100644 (file)
--- a/include/uapi/rdma/ib_user_verbs.h
+++ b/include/uapi/rdma/ib_user_verbs.h
@@ -867,6 +867,24 @@ struct ib_uverbs_flow_spec_tcp_udp {
        struct ib_uverbs_flow_tcp_udp_filter mask;
 };
 
+struct ib_uverbs_flow_ipv6_filter {
+       __u8 src_ip[16];
+       __u8 dst_ip[16];
+};
+
+struct ib_uverbs_flow_spec_ipv6 {
+       union {
+               struct ib_uverbs_flow_spec_hdr hdr;
+               struct {
+                       __u32 type;
+                       __u16 size;
+                       __u16 reserved;
+               };
+       };
+       struct ib_uverbs_flow_ipv6_filter val;
+       struct ib_uverbs_flow_ipv6_filter mask;
+};
+
 struct ib_uverbs_flow_attr {
        __u32 type;
        __u16 size;