On Thu, Jan 19, 2012 at 3:28 AM, Hefty, Sean <sean.he...@intel.com> wrote:
>> Applications that use this qp type should build the whole packet,
>> including link level headers when sending. On the receive side, the
>> HW isn't expected to strip any headers. The new qp type designated
>> usage is from user-space in Ethernet environments, e.g by applications
>> that do TCP/IP offloading. Only processes with the NET_RAW capability
>> may open such qp. The name raw packet was selected to resemble the
>> similarity to AF_PACKET / SOL_RAW sockets.
>> Signed-off-by: Or Gerlitz <ogerl...@mellanox.com>
> Reviewed-by: Sean Hefty <sean.he...@intel.com>
Roland,
Also here, Sean provided his reviewed-by signature, people (CCed
Christoph and others) keep asking me about this patch set and I didn't
get any feedback from you.
Or.
>> drivers/infiniband/core/uverbs_cmd.c | 3 +++
>> drivers/infiniband/core/verbs.c | 1 +
>> include/rdma/ib_verbs.h | 2 +-
>> 3 files changed, 5 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/infiniband/core/uverbs_cmd.c
>> b/drivers/infiniband/core/uverbs_cmd.c
>> index b930da4..8722e96 100644
>> --- a/drivers/infiniband/core/uverbs_cmd.c
>> +++ b/drivers/infiniband/core/uverbs_cmd.c
>> @@ -1399,6 +1399,9 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file
>> *file,
>> if (copy_from_user(&cmd, buf, sizeof cmd))
>> return -EFAULT;
>>
>> + if (cmd.qp_type == IB_QPT_RAW_PACKET && !capable(CAP_NET_RAW))
>> + return -EPERM;
>> +
>> INIT_UDATA(&udata, buf + sizeof cmd,
>> (unsigned long) cmd.response + sizeof resp,
>> in_len - sizeof cmd, out_len - sizeof resp);
>> diff --git a/drivers/infiniband/core/verbs.c
>> b/drivers/infiniband/core/verbs.c
>> index 602b1bd..f73e15b 100644
>> --- a/drivers/infiniband/core/verbs.c
>> +++ b/drivers/infiniband/core/verbs.c
>> @@ -479,6 +479,7 @@ static const struct {
>> [IB_QPT_UD] = (IB_QP_PKEY_INDEX
>> |
>> IB_QP_PORT
>> |
>> IB_QP_QKEY),
>> + [IB_QPT_RAW_PACKET] = IB_QP_PORT,
>> [IB_QPT_UC] = (IB_QP_PKEY_INDEX
>> |
>> IB_QP_PORT
>> |
>> IB_QP_ACCESS_FLAGS),
>> diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
>> index c3cca5a..6220b8b 100644
>> --- a/include/rdma/ib_verbs.h
>> +++ b/include/rdma/ib_verbs.h
>> @@ -605,7 +605,7 @@ enum ib_qp_type {
>> IB_QPT_UD,
>> IB_QPT_RAW_IPV6,
>> IB_QPT_RAW_ETHERTYPE,
>> - /* Save 8 for RAW_PACKET */
>> + IB_QPT_RAW_PACKET = 8,
>> IB_QPT_XRC_INI = 9,
>> IB_QPT_XRC_TGT,
>> IB_QPT_MAX
>> --
--
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