From: Bodong Wang <[email protected]> - TX/RX checksum offload capabilities are now reporting through a new member "csum_cap" inside ib_device_attr. - The capabilities cover IP_HDR and TCP_UDP.
Signed-off-by: Bodong Wang <[email protected]> Signed-off-by: Amir Vadai <[email protected]> --- drivers/infiniband/core/uverbs_cmd.c | 6 ++++++ include/rdma/ib_verbs.h | 8 ++++++++ include/uapi/rdma/ib_user_verbs.h | 2 ++ 3 files changed, 16 insertions(+) diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index bbb02ff..c3d7c54 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -3435,6 +3435,12 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, copy_query_dev_fields(file, &resp.base, &attr); resp.comp_mask = 0; + if (ucore->outlen < resp.response_length + sizeof(resp.csum_caps)) + goto end; + + resp.csum_caps = attr.csum_caps; + resp.response_length += sizeof(resp.csum_caps); + if (ucore->outlen < resp.response_length + sizeof(resp.odp_caps)) goto end; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 0940051..582483e 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -190,6 +190,13 @@ struct ib_cq_init_attr { u32 flags; }; +enum ib_csum_cap_flags { + IB_CSUM_RX_TCP_UDP = 1 << 0, + IB_CSUM_RX_IP_HDR = 1 << 1, + IB_CSUM_TX_TCP_UDP = 1 << 2, + IB_CSUM_TX_IP_HDR = 1 << 3 +}; + struct ib_device_attr { u64 fw_ver; __be64 sys_image_guid; @@ -236,6 +243,7 @@ struct ib_device_attr { struct ib_odp_caps odp_caps; uint64_t timestamp_mask; uint64_t hca_core_clock; /* in KHZ */ + u32 csum_caps; }; enum ib_mtu { diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h index 978841e..5eb7de1 100644 --- a/include/uapi/rdma/ib_user_verbs.h +++ b/include/uapi/rdma/ib_user_verbs.h @@ -205,6 +205,7 @@ struct ib_uverbs_query_device_resp { struct ib_uverbs_ex_query_device { __u32 comp_mask; + __u32 csum_caps; __u32 reserved; }; @@ -221,6 +222,7 @@ struct ib_uverbs_odp_caps { struct ib_uverbs_ex_query_device_resp { struct ib_uverbs_query_device_resp base; __u32 comp_mask; + __u32 csum_caps; __u32 response_length; struct ib_uverbs_odp_caps odp_caps; __u64 timestamp_mask; -- 2.4.3.413.ga5fe668 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
