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crypto/dpaa_sec: enable PDCP-SDAP sessions

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Based on the new field in PDCP xform, a decision is made
to create a PDCP session with or without SDAP enabled.

Signed-off-by: Akhil Goyal <akhil.goyal@nxp.com>
This commit is contained in:
Akhil Goyal 2020-10-12 19:40:03 +05:30
parent bd49e11d69
commit 5a4954bcd5
2 changed files with 47 additions and 19 deletions
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63
drivers/crypto/dpaa_sec/dpaa_sec.c
View File

@ -36,6 +36,7 @@
#include <desc/algo.h>
#include <desc/ipsec.h>
#include <desc/pdcp.h>
#include <desc/sdap.h>
#include <rte_dpaa_bus.h>
#include <dpaa_sec.h>
@ -293,24 +294,49 @@ dpaa_sec_prep_pdcp_cdb(dpaa_sec_session *ses)
&cipherdata, &authdata,
0);
} else {
if (ses->dir == DIR_ENC)
shared_desc_len = cnstr_shdsc_pdcp_u_plane_encap(
cdb->sh_desc, 1, swap,
ses->pdcp.sn_size,
ses->pdcp.hfn,
ses->pdcp.bearer,
ses->pdcp.pkt_dir,
ses->pdcp.hfn_threshold,
&cipherdata, p_authdata, 0);
else if (ses->dir == DIR_DEC)
shared_desc_len = cnstr_shdsc_pdcp_u_plane_decap(
cdb->sh_desc, 1, swap,
ses->pdcp.sn_size,
ses->pdcp.hfn,
ses->pdcp.bearer,
ses->pdcp.pkt_dir,
ses->pdcp.hfn_threshold,
&cipherdata, p_authdata, 0);
if (ses->dir == DIR_ENC) {
if (ses->pdcp.sdap_enabled)
shared_desc_len =
cnstr_shdsc_pdcp_sdap_u_plane_encap(
cdb->sh_desc, 1, swap,
ses->pdcp.sn_size,
ses->pdcp.hfn,
ses->pdcp.bearer,
ses->pdcp.pkt_dir,
ses->pdcp.hfn_threshold,
&cipherdata, p_authdata, 0);
else
shared_desc_len =
cnstr_shdsc_pdcp_u_plane_encap(
cdb->sh_desc, 1, swap,
ses->pdcp.sn_size,
ses->pdcp.hfn,
ses->pdcp.bearer,
ses->pdcp.pkt_dir,
ses->pdcp.hfn_threshold,
&cipherdata, p_authdata, 0);
} else if (ses->dir == DIR_DEC) {
if (ses->pdcp.sdap_enabled)
shared_desc_len =
cnstr_shdsc_pdcp_sdap_u_plane_decap(
cdb->sh_desc, 1, swap,
ses->pdcp.sn_size,
ses->pdcp.hfn,
ses->pdcp.bearer,
ses->pdcp.pkt_dir,
ses->pdcp.hfn_threshold,
&cipherdata, p_authdata, 0);
else
shared_desc_len =
cnstr_shdsc_pdcp_u_plane_decap(
cdb->sh_desc, 1, swap,
ses->pdcp.sn_size,
ses->pdcp.hfn,
ses->pdcp.bearer,
ses->pdcp.pkt_dir,
ses->pdcp.hfn_threshold,
&cipherdata, p_authdata, 0);
}
}
return shared_desc_len;
}
@ -2949,6 +2975,7 @@ dpaa_sec_set_pdcp_session(struct rte_cryptodev *dev,
session->pdcp.hfn = pdcp_xform->hfn;
session->pdcp.hfn_threshold = pdcp_xform->hfn_threshold;
session->pdcp.hfn_ovd = pdcp_xform->hfn_ovrd;
session->pdcp.sdap_enabled = pdcp_xform->sdap_enabled;
if (cipher_xform)
session->pdcp.hfn_ovd_offset = cipher_xform->iv.offset;

3
drivers/crypto/dpaa_sec/dpaa_sec.h
View File

@ -109,7 +109,8 @@ struct sec_pdcp_ctxt {
int8_t pkt_dir;/*!< PDCP Frame Direction 0:UL 1:DL*/
int8_t hfn_ovd;/*!< Overwrite HFN per packet*/
uint8_t sn_size; /*!< Sequence number size, 5/7/12/15/18 */
uint32_t hfn_ovd_offset;/*!< offset from rte_crypto_op at which
uint8_t sdap_enabled; /*!< SDAP header is enabled */
uint16_t hfn_ovd_offset;/*!< offset from rte_crypto_op at which
* per packet hfn is stored
*/
uint32_t hfn; /*!< Hyper Frame Number */