Commit 4c2aae71 authored by Maor Gottlieb's avatar Maor Gottlieb Committed by Doug Ledford
Browse files

IB/core: Add IPv6 support to flow steering 



Add IPv6 flow specification support.

Signed-off-by: default avatarMaor Gottlieb <maorg@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 89ea94a7

drivers/infiniband/core/uverbs.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

	};

};

drivers/infiniband/core/uverbs_cmd.c

+9 −0
Original line number Diff line number Diff line
@@ -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);

include/rdma/ib_verbs.h

+14 −0
Original line number Diff line number Diff line
@@ -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 {

include/uapi/rdma/ib_user_verbs.h

+18 −0
Original line number Diff line number Diff line
@@ -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;