Hi Hemant,
>
> This patch usages the anti replay window size to config
> the anti replay checking in decap path for lookaside
> IPSEC offload
>
> Signed-off-by: Hemant Agrawal <hemant.agra...@nxp.com>
> ---
> drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c | 24 +++++++++++++++++++
> drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h | 6 +++--
> drivers/crypto/dpaa_sec/dpaa_sec.c | 26 +++++++++++++++++++++
> drivers/crypto/dpaa_sec/dpaa_sec.h | 6 +++--
> 4 files changed, 58 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
> b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
> index 52e522e4a..6d59e73e9 100644
> --- a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
> +++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
> @@ -2836,6 +2836,30 @@ dpaa2_sec_set_ipsec_session(struct rte_cryptodev
> *dev,
> sizeof(struct rte_ipv6_hdr) << 16;
> if (ipsec_xform->options.esn)
> decap_pdb.options |= PDBOPTS_ESP_ESN;
> +
> + if (ipsec_xform->replay_win_sz) {
> + uint32_t win_sz;
> + win_sz = rte_align32pow2(ipsec_xform->replay_win_sz);
> +
> + switch (win_sz) {
> + case 1:
> + case 2:
> + case 4:
> + case 8:
> + case 16:
> + case 32:
> + if (ipsec_xform->options.esn)
> + decap_pdb.options |=
> PDBOPTS_ESP_ARS64;
Why is it dependent on ESN?
> + else
> + decap_pdb.options |=
> PDBOPTS_ESP_ARS32;
> + break;
> + case 64:
> + decap_pdb.options |= PDBOPTS_ESP_ARS64;
> + break;
> + default:
> + decap_pdb.options |= PDBOPTS_ESP_ARS128;
Default case should not set anti replay window like case 0 when we don't want
anti replay.
> + }
> + }
> session->dir = DIR_DEC;
> bufsize = cnstr_shdsc_ipsec_new_decap(priv->flc_desc[0].desc,
> 1, 0, SHR_SERIAL,
> diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h
> b/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h
> index 662559422..b97dacbcb 100644
> --- a/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h
> +++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h
> @@ -675,7 +675,8 @@ static const struct rte_security_capability
> dpaa2_sec_security_cap[] = {
> .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
> .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
> .direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS,
> - .options = { 0 }
> + .options = { 0 },
> + .replay_win_sz_max = 128
> },
> .crypto_capabilities = dpaa2_sec_capabilities
> },
> @@ -686,7 +687,8 @@ static const struct rte_security_capability
> dpaa2_sec_security_cap[] = {
> .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
> .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
> .direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
> - .options = { 0 }
> + .options = { 0 },
> + .replay_win_sz_max = 128
> },
> .crypto_capabilities = dpaa2_sec_capabilities
> },
> diff --git a/drivers/crypto/dpaa_sec/dpaa_sec.c
> b/drivers/crypto/dpaa_sec/dpaa_sec.c
> index 6c186338f..7cfa5f6dc 100644
> --- a/drivers/crypto/dpaa_sec/dpaa_sec.c
> +++ b/drivers/crypto/dpaa_sec/dpaa_sec.c
> @@ -2693,6 +2693,32 @@ dpaa_sec_set_ipsec_session(__rte_unused struct
> rte_cryptodev *dev,
> sizeof(struct rte_ipv6_hdr) << 16;
> if (ipsec_xform->options.esn)
> session->decap_pdb.options |= PDBOPTS_ESP_ESN;
> + if (ipsec_xform->replay_win_sz) {
> + uint32_t win_sz;
> + win_sz = rte_align32pow2(ipsec_xform->replay_win_sz);
> +
> + switch (win_sz) {
> + case 1:
> + case 2:
> + case 4:
> + case 8:
> + case 16:
> + case 32:
> + if (ipsec_xform->options.esn)
> + session->decap_pdb.options |=
> + PDBOPTS_ESP_ARS64;
> + else
> + session->decap_pdb.options |=
> + PDBOPTS_ESP_ARS32;
> + break;
> + case 64:
> + session->decap_pdb.options |=
> PDBOPTS_ESP_ARS64;
> + break;
> + default:
> + session->decap_pdb.options |=
> + PDBOPTS_ESP_ARS128;
> + }
> + }
> session->dir = DIR_DEC;
> } else
> goto out;
> diff --git a/drivers/crypto/dpaa_sec/dpaa_sec.h
> b/drivers/crypto/dpaa_sec/dpaa_sec.h
> index c10ec1007..684950d6d 100644
> --- a/drivers/crypto/dpaa_sec/dpaa_sec.h
> +++ b/drivers/crypto/dpaa_sec/dpaa_sec.h
> @@ -692,7 +692,8 @@ static const struct rte_security_capability
> dpaa_sec_security_cap[] = {
> .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
> .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
> .direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS,
> - .options = { 0 }
> + .options = { 0 },
> + .replay_win_sz_max = 128
> },
> .crypto_capabilities = dpaa_sec_capabilities
> },
> @@ -703,7 +704,8 @@ static const struct rte_security_capability
> dpaa_sec_security_cap[] = {
> .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
> .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
> .direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
> - .options = { 0 }
> + .options = { 0 },
> + .replay_win_sz_max = 128
> },
> .crypto_capabilities = dpaa_sec_capabilities
> },
> --
> 2.17.1
