[dpdk-dev] [PATCH 28/32] net/ngbe: add IPsec context creation
Jiawen Wu
jiawenwu at trustnetic.com
Wed Sep 8 10:37:54 CEST 2021
Initialize securiry context, and support to get security
capabilities.
Signed-off-by: Jiawen Wu <jiawenwu at trustnetic.com>
---
doc/guides/nics/features/ngbe.ini | 1 +
drivers/net/ngbe/meson.build | 3 +-
drivers/net/ngbe/ngbe_ethdev.c | 10 ++
drivers/net/ngbe/ngbe_ethdev.h | 4 +
drivers/net/ngbe/ngbe_ipsec.c | 178 ++++++++++++++++++++++++++++++
5 files changed, 195 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/ngbe/ngbe_ipsec.c
diff --git a/doc/guides/nics/features/ngbe.ini b/doc/guides/nics/features/ngbe.ini
index 56d5d71ea8..facdb5f006 100644
--- a/doc/guides/nics/features/ngbe.ini
+++ b/doc/guides/nics/features/ngbe.ini
@@ -23,6 +23,7 @@ RSS reta update = Y
SR-IOV = Y
VLAN filter = Y
Flow control = Y
+Inline crypto = Y
CRC offload = P
VLAN offload = P
QinQ offload = P
diff --git a/drivers/net/ngbe/meson.build b/drivers/net/ngbe/meson.build
index b276ec3341..f222595b19 100644
--- a/drivers/net/ngbe/meson.build
+++ b/drivers/net/ngbe/meson.build
@@ -12,12 +12,13 @@ objs = [base_objs]
sources = files(
'ngbe_ethdev.c',
+ 'ngbe_ipsec.c',
'ngbe_ptypes.c',
'ngbe_pf.c',
'ngbe_rxtx.c',
)
-deps += ['hash']
+deps += ['hash', 'security']
includes += include_directories('base')
diff --git a/drivers/net/ngbe/ngbe_ethdev.c b/drivers/net/ngbe/ngbe_ethdev.c
index 4eaf9b0724..b0e0f7411e 100644
--- a/drivers/net/ngbe/ngbe_ethdev.c
+++ b/drivers/net/ngbe/ngbe_ethdev.c
@@ -430,6 +430,12 @@ eth_ngbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
/* Unlock any pending hardware semaphore */
ngbe_swfw_lock_reset(hw);
+#ifdef RTE_LIB_SECURITY
+ /* Initialize security_ctx only for primary process*/
+ if (ngbe_ipsec_ctx_create(eth_dev))
+ return -ENOMEM;
+#endif
+
/* Get Hardware Flow Control setting */
hw->fc.requested_mode = ngbe_fc_full;
hw->fc.current_mode = ngbe_fc_full;
@@ -1282,6 +1288,10 @@ ngbe_dev_close(struct rte_eth_dev *dev)
rte_free(dev->data->hash_mac_addrs);
dev->data->hash_mac_addrs = NULL;
+#ifdef RTE_LIB_SECURITY
+ rte_free(dev->security_ctx);
+#endif
+
return ret;
}
diff --git a/drivers/net/ngbe/ngbe_ethdev.h b/drivers/net/ngbe/ngbe_ethdev.h
index aacc0b68b2..9eda024d65 100644
--- a/drivers/net/ngbe/ngbe_ethdev.h
+++ b/drivers/net/ngbe/ngbe_ethdev.h
@@ -264,6 +264,10 @@ void ngbe_pf_mbx_process(struct rte_eth_dev *eth_dev);
int ngbe_pf_host_configure(struct rte_eth_dev *eth_dev);
+#ifdef RTE_LIB_SECURITY
+int ngbe_ipsec_ctx_create(struct rte_eth_dev *dev);
+#endif
+
/* High threshold controlling when to start sending XOFF frames. */
#define NGBE_FC_XOFF_HITH 128 /*KB*/
/* Low threshold controlling when to start sending XON frames. */
diff --git a/drivers/net/ngbe/ngbe_ipsec.c b/drivers/net/ngbe/ngbe_ipsec.c
new file mode 100644
index 0000000000..5f8b0bab29
--- /dev/null
+++ b/drivers/net/ngbe/ngbe_ipsec.c
@@ -0,0 +1,178 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018-2021 Beijing WangXun Technology Co., Ltd.
+ * Copyright(c) 2010-2017 Intel Corporation
+ */
+
+#include <ethdev_pci.h>
+#include <rte_security_driver.h>
+#include <rte_cryptodev.h>
+
+#include "base/ngbe.h"
+#include "ngbe_ethdev.h"
+
+static const struct rte_security_capability *
+ngbe_crypto_capabilities_get(void *device __rte_unused)
+{
+ static const struct rte_cryptodev_capabilities
+ aes_gcm_gmac_crypto_capabilities[] = {
+ { /* AES GMAC (128-bit) */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_AES_GMAC,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ .digest_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ .iv_size = {
+ .min = 12,
+ .max = 12,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
+ { /* AES GCM (128-bit) */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
+ {.aead = {
+ .algo = RTE_CRYPTO_AEAD_AES_GCM,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ .digest_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ .aad_size = {
+ .min = 0,
+ .max = 65535,
+ .increment = 1
+ },
+ .iv_size = {
+ .min = 12,
+ .max = 12,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
+ {
+ .op = RTE_CRYPTO_OP_TYPE_UNDEFINED,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_NOT_SPECIFIED
+ }, }
+ },
+ };
+
+ static const struct rte_security_capability
+ ngbe_security_capabilities[] = {
+ { /* IPsec Inline Crypto ESP Transport Egress */
+ .action = RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO,
+ .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
+ {.ipsec = {
+ .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
+ .mode = RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
+ .direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS,
+ .options = { 0 }
+ } },
+ .crypto_capabilities = aes_gcm_gmac_crypto_capabilities,
+ .ol_flags = RTE_SECURITY_TX_OLOAD_NEED_MDATA
+ },
+ { /* IPsec Inline Crypto ESP Transport Ingress */
+ .action = RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO,
+ .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
+ {.ipsec = {
+ .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
+ .mode = RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
+ .direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
+ .options = { 0 }
+ } },
+ .crypto_capabilities = aes_gcm_gmac_crypto_capabilities,
+ .ol_flags = 0
+ },
+ { /* IPsec Inline Crypto ESP Tunnel Egress */
+ .action = RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO,
+ .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
+ {.ipsec = {
+ .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
+ .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
+ .direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS,
+ .options = { 0 }
+ } },
+ .crypto_capabilities = aes_gcm_gmac_crypto_capabilities,
+ .ol_flags = RTE_SECURITY_TX_OLOAD_NEED_MDATA
+ },
+ { /* IPsec Inline Crypto ESP Tunnel Ingress */
+ .action = RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO,
+ .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
+ {.ipsec = {
+ .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
+ .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
+ .direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
+ .options = { 0 }
+ } },
+ .crypto_capabilities = aes_gcm_gmac_crypto_capabilities,
+ .ol_flags = 0
+ },
+ {
+ .action = RTE_SECURITY_ACTION_TYPE_NONE
+ }
+ };
+
+ return ngbe_security_capabilities;
+}
+
+static struct rte_security_ops ngbe_security_ops = {
+ .capabilities_get = ngbe_crypto_capabilities_get
+};
+
+static int
+ngbe_crypto_capable(struct rte_eth_dev *dev)
+{
+ struct ngbe_hw *hw = ngbe_dev_hw(dev);
+ uint32_t reg_i, reg, capable = 1;
+ /* test if rx crypto can be enabled and then write back initial value*/
+ reg_i = rd32(hw, NGBE_SECRXCTL);
+ wr32m(hw, NGBE_SECRXCTL, NGBE_SECRXCTL_ODSA, 0);
+ reg = rd32m(hw, NGBE_SECRXCTL, NGBE_SECRXCTL_ODSA);
+ if (reg != 0)
+ capable = 0;
+ wr32(hw, NGBE_SECRXCTL, reg_i);
+ return capable;
+}
+
+int
+ngbe_ipsec_ctx_create(struct rte_eth_dev *dev)
+{
+ struct rte_security_ctx *ctx = NULL;
+
+ if (ngbe_crypto_capable(dev)) {
+ ctx = rte_malloc("rte_security_instances_ops",
+ sizeof(struct rte_security_ctx), 0);
+ if (ctx) {
+ ctx->device = (void *)dev;
+ ctx->ops = &ngbe_security_ops;
+ ctx->sess_cnt = 0;
+ dev->security_ctx = ctx;
+ } else {
+ return -ENOMEM;
+ }
+ }
+ if (rte_security_dynfield_register() < 0)
+ return -rte_errno;
+ return 0;
+}
--
2.21.0.windows.1
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