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security: support PDCP short MAC-I

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This patch add support to handle PDCP short MAC-I domain
along with standard control and data domains as it has to
be treaty as special case with PDCP protocol offload support.

ShortMAC-I is the 16 least significant bits of calculated MAC-I. Usually
when a RRC message is exchanged between UE and eNodeB it is integrity &
ciphered protected.

MAC-I = f(key, varShortMAC-I, count, bearer, direction).
Here varShortMAC-I is prepared by using (current cellId, pci of source cell
and C-RNTI of old cell). Other parameters like count, bearer and
direction set to all 1.

crypto-perf app is updated to take short MAC as input mode.

Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>
This commit is contained in:
Hemant Agrawal 2021-09-08 18:21:24 +05:30 committed by Akhil Goyal
parent 45e019608f
commit 864c1a40d7
4 changed files with 19 additions and 3 deletions
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8
app/test-crypto-perf/cperf_options_parsing.c
View File

@ -662,7 +662,8 @@ parse_pdcp_sn_sz(struct cperf_options *opts, const char *arg)
const char *cperf_pdcp_domain_strs[] = {
[RTE_SECURITY_PDCP_MODE_CONTROL] = "control",
[RTE_SECURITY_PDCP_MODE_DATA] = "data"
[RTE_SECURITY_PDCP_MODE_DATA] = "data",
[RTE_SECURITY_PDCP_MODE_SHORT_MAC] = "short_mac"
};
static int
@ -677,6 +678,11 @@ parse_pdcp_domain(struct cperf_options *opts, const char *arg)
cperf_pdcp_domain_strs
[RTE_SECURITY_PDCP_MODE_DATA],
RTE_SECURITY_PDCP_MODE_DATA
},
{
cperf_pdcp_domain_strs
[RTE_SECURITY_PDCP_MODE_SHORT_MAC],
RTE_SECURITY_PDCP_MODE_SHORT_MAC
}
};

11
doc/guides/prog_guide/rte_security.rst
View File

@ -1,5 +1,5 @@
.. SPDX-License-Identifier: BSD-3-Clause
Copyright 2017,2020 NXP
Copyright 2017,2020-2021 NXP
@ -408,6 +408,15 @@ PMD which supports the IPsec and PDCP protocol.
},
.crypto_capabilities = pmd_capabilities
},
{ /* PDCP Lookaside Protocol offload short MAC-I */
.action = RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL,
.protocol = RTE_SECURITY_PROTOCOL_PDCP,
.pdcp = {
.domain = RTE_SECURITY_PDCP_MODE_SHORT_MAC,
.capa_flags = 0
},
.crypto_capabilities = pmd_capabilities
},
{
.action = RTE_SECURITY_ACTION_TYPE_NONE
}

2
doc/guides/tools/cryptoperf.rst
View File

@ -318,7 +318,7 @@ The following are the application command-line options:
* ``--pdcp-domain <control/user>``
Set PDCP domain to specify Control/user plane.
Set PDCP domain to specify short_mac/control/user plane.
* ``--docsis-hdr-sz <n>``

1
lib/security/rte_security.h
View File

@ -233,6 +233,7 @@ struct rte_security_macsec_xform {
enum rte_security_pdcp_domain {
RTE_SECURITY_PDCP_MODE_CONTROL, /**< PDCP control plane */
RTE_SECURITY_PDCP_MODE_DATA, /**< PDCP data plane */
RTE_SECURITY_PDCP_MODE_SHORT_MAC, /**< PDCP short mac */
};
/** PDCP Frame direction */