From patchwork Wed Nov 11 06:49:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiawen Wu X-Patchwork-Id: 83974 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 25846A09D2; Wed, 11 Nov 2020 07:58:55 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id A45A3C84E; Wed, 11 Nov 2020 07:48:26 +0100 (CET) Received: from smtpproxy21.qq.com (smtpbg702.qq.com [203.205.195.102]) by dpdk.org (Postfix) with ESMTP id 57D1FBBB4 for ; Wed, 11 Nov 2020 07:48:09 +0100 (CET) X-QQ-mid: bizesmtp27t1605077284tr2loue5 Received: from localhost.localdomain.com (unknown [183.129.236.74]) by esmtp10.qq.com (ESMTP) with id ; Wed, 11 Nov 2020 14:48:04 +0800 (CST) X-QQ-SSF: 01400000000000C0C000B00A0000000 X-QQ-FEAT: uPKj8ga2w7FR6Fcjel41KNJFceQah7GnSisob2mVbp6M2iDFvI/1Xi6Stnn5u WV+EED0f8vePzUrsNY6X1/DrcaBUJv8N2ERwsRVipBi0txXc5O4fniJRHfy7iJDBYZ6yc/8 go9YY/dg7dwnoxW1WJHXwDIDRq2QspWbLFdNJg+ftfuTy4SDMXrqHxlxwhQViFJcG4CuHpY iXmpcbVnKYBJLT/sbD/bm60VqvNly6SaydeIUOxFGZ7/nvLEF7UYdnlHMkEdWs5sCVz7gqm FZ0NRjZduUefuHFjV6D6EFZ5cKFfPn263+x+Y9hy0F/yVht8B+CVht0jn2NJkg/XKfWUoIv AntMt7LAnRc3VwETpMUwDBVLBH8bQ== X-QQ-GoodBg: 2 From: Jiawen Wu To: dev@dpdk.org Cc: Jiawen Wu Date: Wed, 11 Nov 2020 14:49:33 +0800 Message-Id: <20201111064936.768604-35-jiawenwu@trustnetic.com> X-Mailer: git-send-email 2.18.4 In-Reply-To: <20201111064936.768604-1-jiawenwu@trustnetic.com> References: <20201111064936.768604-1-jiawenwu@trustnetic.com> X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:trustnetic.com:qybgforeign:qybgforeign6 X-QQ-Bgrelay: 1 Subject: [dpdk-dev] [PATCH v2 34/37] net/txgbe: add security session create operation X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add support to configure a security session. Signed-off-by: Jiawen Wu --- drivers/net/txgbe/txgbe_ethdev.h | 6 + drivers/net/txgbe/txgbe_ipsec.c | 250 +++++++++++++++++++++++++++++++ drivers/net/txgbe/txgbe_ipsec.h | 66 ++++++++ 3 files changed, 322 insertions(+) diff --git a/drivers/net/txgbe/txgbe_ethdev.h b/drivers/net/txgbe/txgbe_ethdev.h index db4b73e3e..4bc2dd6bc 100644 --- a/drivers/net/txgbe/txgbe_ethdev.h +++ b/drivers/net/txgbe/txgbe_ethdev.h @@ -367,6 +367,9 @@ struct txgbe_adapter { struct txgbe_filter_info filter; struct txgbe_l2_tn_info l2_tn; struct txgbe_bw_conf bw_conf; +#ifdef RTE_LIB_SECURITY + struct txgbe_ipsec ipsec; +#endif bool rx_bulk_alloc_allowed; struct rte_timecounter systime_tc; struct rte_timecounter rx_tstamp_tc; @@ -428,6 +431,9 @@ struct txgbe_adapter { #define TXGBE_DEV_TM_CONF(dev) \ (&((struct txgbe_adapter *)(dev)->data->dev_private)->tm_conf) +#define TXGBE_DEV_IPSEC(dev) \ + (&((struct txgbe_adapter *)(dev)->data->dev_private)->ipsec) + /* * RX/TX function prototypes */ diff --git a/drivers/net/txgbe/txgbe_ipsec.c b/drivers/net/txgbe/txgbe_ipsec.c index b21bba237..7501e25af 100644 --- a/drivers/net/txgbe/txgbe_ipsec.c +++ b/drivers/net/txgbe/txgbe_ipsec.c @@ -13,6 +13,255 @@ #include "txgbe_ethdev.h" #include "txgbe_ipsec.h" +#define CMP_IP(a, b) (\ + (a).ipv6[0] == (b).ipv6[0] && \ + (a).ipv6[1] == (b).ipv6[1] && \ + (a).ipv6[2] == (b).ipv6[2] && \ + (a).ipv6[3] == (b).ipv6[3]) + +static int +txgbe_crypto_add_sa(struct txgbe_crypto_session *ic_session) +{ + struct rte_eth_dev *dev = ic_session->dev; + struct txgbe_hw *hw = TXGBE_DEV_HW(dev); + struct txgbe_ipsec *priv = TXGBE_DEV_IPSEC(dev); + uint32_t reg_val; + int sa_index = -1; + + if (ic_session->op == TXGBE_OP_AUTHENTICATED_DECRYPTION) { + int i, ip_index = -1; + uint8_t *key; + + /* Find a match in the IP table*/ + for (i = 0; i < IPSEC_MAX_RX_IP_COUNT; i++) { + if (CMP_IP(priv->rx_ip_tbl[i].ip, + ic_session->dst_ip)) { + ip_index = i; + break; + } + } + /* If no match, find a free entry in the IP table*/ + if (ip_index < 0) { + for (i = 0; i < IPSEC_MAX_RX_IP_COUNT; i++) { + if (priv->rx_ip_tbl[i].ref_count == 0) { + ip_index = i; + break; + } + } + } + + /* Fail if no match and no free entries*/ + if (ip_index < 0) { + PMD_DRV_LOG(ERR, + "No free entry left in the Rx IP table\n"); + return -1; + } + + /* Find a free entry in the SA table*/ + for (i = 0; i < IPSEC_MAX_SA_COUNT; i++) { + if (priv->rx_sa_tbl[i].used == 0) { + sa_index = i; + break; + } + } + /* Fail if no free entries*/ + if (sa_index < 0) { + PMD_DRV_LOG(ERR, + "No free entry left in the Rx SA table\n"); + return -1; + } + + priv->rx_ip_tbl[ip_index].ip.ipv6[0] = + ic_session->dst_ip.ipv6[0]; + priv->rx_ip_tbl[ip_index].ip.ipv6[1] = + ic_session->dst_ip.ipv6[1]; + priv->rx_ip_tbl[ip_index].ip.ipv6[2] = + ic_session->dst_ip.ipv6[2]; + priv->rx_ip_tbl[ip_index].ip.ipv6[3] = + ic_session->dst_ip.ipv6[3]; + priv->rx_ip_tbl[ip_index].ref_count++; + + priv->rx_sa_tbl[sa_index].spi = ic_session->spi; + priv->rx_sa_tbl[sa_index].ip_index = ip_index; + priv->rx_sa_tbl[sa_index].mode = IPSRXMOD_VALID; + if (ic_session->op == TXGBE_OP_AUTHENTICATED_DECRYPTION) + priv->rx_sa_tbl[sa_index].mode |= + (IPSRXMOD_PROTO | IPSRXMOD_DECRYPT); + if (ic_session->dst_ip.type == IPv6) { + priv->rx_sa_tbl[sa_index].mode |= IPSRXMOD_IPV6; + priv->rx_ip_tbl[ip_index].ip.type = IPv6; + } else if (ic_session->dst_ip.type == IPv4) { + priv->rx_ip_tbl[ip_index].ip.type = IPv4; + } + priv->rx_sa_tbl[sa_index].used = 1; + + /* write IP table entry*/ + reg_val = TXGBE_IPSRXIDX_ENA | TXGBE_IPSRXIDX_WRITE | + TXGBE_IPSRXIDX_TB_IP | (ip_index << 3); + if (priv->rx_ip_tbl[ip_index].ip.type == IPv4) { + wr32(hw, TXGBE_IPSRXADDR(0), 0); + wr32(hw, TXGBE_IPSRXADDR(1), 0); + wr32(hw, TXGBE_IPSRXADDR(2), 0); + wr32(hw, TXGBE_IPSRXADDR(3), + priv->rx_ip_tbl[ip_index].ip.ipv4); + } else { + wr32(hw, TXGBE_IPSRXADDR(0), + priv->rx_ip_tbl[ip_index].ip.ipv6[0]); + wr32(hw, TXGBE_IPSRXADDR(1), + priv->rx_ip_tbl[ip_index].ip.ipv6[1]); + wr32(hw, TXGBE_IPSRXADDR(2), + priv->rx_ip_tbl[ip_index].ip.ipv6[2]); + wr32(hw, TXGBE_IPSRXADDR(3), + priv->rx_ip_tbl[ip_index].ip.ipv6[3]); + } + wr32w(hw, TXGBE_IPSRXIDX, reg_val, TXGBE_IPSRXIDX_WRITE, 1000); + + /* write SPI table entry*/ + reg_val = TXGBE_IPSRXIDX_ENA | TXGBE_IPSRXIDX_WRITE | + TXGBE_IPSRXIDX_TB_SPI | (sa_index << 3); + wr32(hw, TXGBE_IPSRXSPI, + priv->rx_sa_tbl[sa_index].spi); + wr32(hw, TXGBE_IPSRXADDRIDX, + priv->rx_sa_tbl[sa_index].ip_index); + wr32w(hw, TXGBE_IPSRXIDX, reg_val, TXGBE_IPSRXIDX_WRITE, 1000); + + /* write Key table entry*/ + key = malloc(ic_session->key_len); + if (!key) + return -ENOMEM; + + memcpy(key, ic_session->key, ic_session->key_len); + + reg_val = TXGBE_IPSRXIDX_ENA | TXGBE_IPSRXIDX_WRITE | + TXGBE_IPSRXIDX_TB_KEY | (sa_index << 3); + wr32(hw, TXGBE_IPSRXKEY(0), + rte_cpu_to_be_32(*(uint32_t *)&key[12])); + wr32(hw, TXGBE_IPSRXKEY(1), + rte_cpu_to_be_32(*(uint32_t *)&key[8])); + wr32(hw, TXGBE_IPSRXKEY(2), + rte_cpu_to_be_32(*(uint32_t *)&key[4])); + wr32(hw, TXGBE_IPSRXKEY(3), + rte_cpu_to_be_32(*(uint32_t *)&key[0])); + wr32(hw, TXGBE_IPSRXSALT, + rte_cpu_to_be_32(ic_session->salt)); + wr32(hw, TXGBE_IPSRXMODE, + priv->rx_sa_tbl[sa_index].mode); + wr32w(hw, TXGBE_IPSRXIDX, reg_val, TXGBE_IPSRXIDX_WRITE, 1000); + + free(key); + } else { /* sess->dir == RTE_CRYPTO_OUTBOUND */ + uint8_t *key; + int i; + + /* Find a free entry in the SA table*/ + for (i = 0; i < IPSEC_MAX_SA_COUNT; i++) { + if (priv->tx_sa_tbl[i].used == 0) { + sa_index = i; + break; + } + } + /* Fail if no free entries*/ + if (sa_index < 0) { + PMD_DRV_LOG(ERR, + "No free entry left in the Tx SA table\n"); + return -1; + } + + priv->tx_sa_tbl[sa_index].spi = + rte_cpu_to_be_32(ic_session->spi); + priv->tx_sa_tbl[i].used = 1; + ic_session->sa_index = sa_index; + + key = malloc(ic_session->key_len); + if (!key) + return -ENOMEM; + + memcpy(key, ic_session->key, ic_session->key_len); + + /* write Key table entry*/ + reg_val = TXGBE_IPSRXIDX_ENA | + TXGBE_IPSRXIDX_WRITE | (sa_index << 3); + wr32(hw, TXGBE_IPSTXKEY(0), + rte_cpu_to_be_32(*(uint32_t *)&key[12])); + wr32(hw, TXGBE_IPSTXKEY(1), + rte_cpu_to_be_32(*(uint32_t *)&key[8])); + wr32(hw, TXGBE_IPSTXKEY(2), + rte_cpu_to_be_32(*(uint32_t *)&key[4])); + wr32(hw, TXGBE_IPSTXKEY(3), + rte_cpu_to_be_32(*(uint32_t *)&key[0])); + wr32(hw, TXGBE_IPSTXSALT, + rte_cpu_to_be_32(ic_session->salt)); + wr32w(hw, TXGBE_IPSTXIDX, reg_val, TXGBE_IPSTXIDX_WRITE, 1000); + + free(key); + } + + return 0; +} + +static int +txgbe_crypto_create_session(void *device, + struct rte_security_session_conf *conf, + struct rte_security_session *session, + struct rte_mempool *mempool) +{ + struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)device; + struct txgbe_crypto_session *ic_session = NULL; + struct rte_crypto_aead_xform *aead_xform; + struct rte_eth_conf *dev_conf = ð_dev->data->dev_conf; + + if (rte_mempool_get(mempool, (void **)&ic_session)) { + PMD_DRV_LOG(ERR, "Cannot get object from ic_session mempool"); + return -ENOMEM; + } + + if (conf->crypto_xform->type != RTE_CRYPTO_SYM_XFORM_AEAD || + conf->crypto_xform->aead.algo != + RTE_CRYPTO_AEAD_AES_GCM) { + PMD_DRV_LOG(ERR, "Unsupported crypto transformation mode\n"); + rte_mempool_put(mempool, (void *)ic_session); + return -ENOTSUP; + } + aead_xform = &conf->crypto_xform->aead; + + if (conf->ipsec.direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS) { + if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_SECURITY) { + ic_session->op = TXGBE_OP_AUTHENTICATED_DECRYPTION; + } else { + PMD_DRV_LOG(ERR, "IPsec decryption not enabled\n"); + rte_mempool_put(mempool, (void *)ic_session); + return -ENOTSUP; + } + } else { + if (dev_conf->txmode.offloads & DEV_TX_OFFLOAD_SECURITY) { + ic_session->op = TXGBE_OP_AUTHENTICATED_ENCRYPTION; + } else { + PMD_DRV_LOG(ERR, "IPsec encryption not enabled\n"); + rte_mempool_put(mempool, (void *)ic_session); + return -ENOTSUP; + } + } + + ic_session->key = aead_xform->key.data; + ic_session->key_len = aead_xform->key.length; + memcpy(&ic_session->salt, + &aead_xform->key.data[aead_xform->key.length], 4); + ic_session->spi = conf->ipsec.spi; + ic_session->dev = eth_dev; + + set_sec_session_private_data(session, ic_session); + + if (ic_session->op == TXGBE_OP_AUTHENTICATED_ENCRYPTION) { + if (txgbe_crypto_add_sa(ic_session)) { + PMD_DRV_LOG(ERR, "Failed to add SA\n"); + rte_mempool_put(mempool, (void *)ic_session); + return -EPERM; + } + } + + return 0; +} + static const struct rte_security_capability * txgbe_crypto_capabilities_get(void *device __rte_unused) { @@ -140,6 +389,7 @@ txgbe_crypto_capabilities_get(void *device __rte_unused) } static struct rte_security_ops txgbe_security_ops = { + .session_create = txgbe_crypto_create_session, .capabilities_get = txgbe_crypto_capabilities_get }; diff --git a/drivers/net/txgbe/txgbe_ipsec.h b/drivers/net/txgbe/txgbe_ipsec.h index f58ebab3d..c94775636 100644 --- a/drivers/net/txgbe/txgbe_ipsec.h +++ b/drivers/net/txgbe/txgbe_ipsec.h @@ -5,9 +5,75 @@ #ifndef TXGBE_IPSEC_H_ #define TXGBE_IPSEC_H_ +#include #include #include +#define IPSRXMOD_VALID 0x00000001 +#define IPSRXMOD_PROTO 0x00000004 +#define IPSRXMOD_DECRYPT 0x00000008 +#define IPSRXMOD_IPV6 0x00000010 + +#define IPSEC_MAX_RX_IP_COUNT 128 +#define IPSEC_MAX_SA_COUNT 1024 + +enum txgbe_operation { + TXGBE_OP_AUTHENTICATED_ENCRYPTION, + TXGBE_OP_AUTHENTICATED_DECRYPTION +}; + +/** + * Generic IP address structure + * TODO: Find better location for this rte_net.h possibly. + **/ +struct ipaddr { + enum ipaddr_type { + IPv4, + IPv6 + } type; + /**< IP Address Type - IPv4/IPv6 */ + + union { + uint32_t ipv4; + uint32_t ipv6[4]; + }; +}; + +/** inline crypto crypto private session structure */ +struct txgbe_crypto_session { + enum txgbe_operation op; + const uint8_t *key; + uint32_t key_len; + uint32_t salt; + uint32_t sa_index; + uint32_t spi; + struct ipaddr src_ip; + struct ipaddr dst_ip; + struct rte_eth_dev *dev; +} __rte_cache_aligned; + +struct txgbe_crypto_rx_ip_table { + struct ipaddr ip; + uint16_t ref_count; +}; +struct txgbe_crypto_rx_sa_table { + uint32_t spi; + uint32_t ip_index; + uint8_t mode; + uint8_t used; +}; + +struct txgbe_crypto_tx_sa_table { + uint32_t spi; + uint8_t used; +}; + +struct txgbe_ipsec { + struct txgbe_crypto_rx_ip_table rx_ip_tbl[IPSEC_MAX_RX_IP_COUNT]; + struct txgbe_crypto_rx_sa_table rx_sa_tbl[IPSEC_MAX_SA_COUNT]; + struct txgbe_crypto_tx_sa_table tx_sa_tbl[IPSEC_MAX_SA_COUNT]; +}; + int txgbe_ipsec_ctx_create(struct rte_eth_dev *dev); #endif /*TXGBE_IPSEC_H_*/