[PATCH rdma-next 3/5] IB/core: Add more fields to IPv6 flow specification
From: Leon Romanovsky <hidden>
Date: 2016-08-28 11:11:38
Subsystem:
infiniband subsystem, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2016-08-29 · Re: [PATCH rdma-next 3/5] IB/core: Add more fields to IPv6 flow specification · Sagi Grimberg <hidden>
From: Maor Gottlieb <maorg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> Add the following fields to IPv6 flow filter specification: 1. Traffic Class 2. Flow Label 3. Next Header 4. Hop Limit Signed-off-by: Maor Gottlieb <maorg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> Signed-off-by: Leon Romanovsky <redacted> --- drivers/infiniband/core/uverbs_cmd.c | 4 ++++ include/rdma/ib_verbs.h | 4 ++++ include/uapi/rdma/ib_user_verbs.h | 9 +++++++-- 3 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 84c0794..8318623 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c@@ -3158,6 +3158,10 @@ static int kern_spec_to_ib_spec(struct ib_uverbs_flow_spec *kern_spec, ib_spec->size = sizeof(struct ib_flow_spec_ipv6); memcpy(&ib_spec->ipv6.val, kern_spec_val, actual_filter_sz); memcpy(&ib_spec->ipv6.mask, kern_spec_mask, actual_filter_sz); + + if ((ntohl(ib_spec->ipv6.mask.flow_label)) >= BIT(20) || + (ntohl(ib_spec->ipv6.val.flow_label)) >= BIT(20)) + return -EINVAL; break; case IB_FLOW_SPEC_TCP: case IB_FLOW_SPEC_UDP:
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index c0f9d88..a02a6e1 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h@@ -1655,6 +1655,10 @@ struct ib_flow_spec_ipv4 { struct ib_flow_ipv6_filter { u8 src_ip[16]; u8 dst_ip[16]; + __be32 flow_label; + u8 next_hdr; + u8 traffic_class; + u8 hop_limit; /* Must be last */ u8 real_sz[0]; };
diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h
index 6deca2d..7e35241 100644
--- a/include/uapi/rdma/ib_user_verbs.h
+++ b/include/uapi/rdma/ib_user_verbs.h@@ -872,8 +872,13 @@ struct ib_uverbs_flow_spec_tcp_udp { }; struct ib_uverbs_flow_ipv6_filter { - __u8 src_ip[16]; - __u8 dst_ip[16]; + __u8 src_ip[16]; + __u8 dst_ip[16]; + __be32 flow_label; + __u8 next_hdr; + __u8 traffic_class; + __u8 hop_limit; + __u8 reserved; }; struct ib_uverbs_flow_spec_ipv6 {
--
2.7.4
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