From 9a0752f498d2725428480b4b004feeedd852c395 Mon Sep 17 00:00:00 2001 From: Radu Nicolau Date: Wed, 25 Oct 2017 20:37:25 +0530 Subject: [PATCH] net/ixgbe: enable inline IPsec Signed-off-by: Radu Nicolau Signed-off-by: Declan Doherty --- drivers/net/ixgbe/Makefile | 2 +- drivers/net/ixgbe/base/ixgbe_osdep.h | 8 + drivers/net/ixgbe/ixgbe_ethdev.c | 11 + drivers/net/ixgbe/ixgbe_ethdev.h | 6 +- drivers/net/ixgbe/ixgbe_flow.c | 47 ++ drivers/net/ixgbe/ixgbe_ipsec.c | 737 +++++++++++++++++++++++++ drivers/net/ixgbe/ixgbe_ipsec.h | 151 +++++ drivers/net/ixgbe/ixgbe_rxtx.c | 59 +- drivers/net/ixgbe/ixgbe_rxtx.h | 11 +- drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c | 57 ++ 10 files changed, 1082 insertions(+), 7 deletions(-) create mode 100644 drivers/net/ixgbe/ixgbe_ipsec.c create mode 100644 drivers/net/ixgbe/ixgbe_ipsec.h diff --git a/drivers/net/ixgbe/Makefile b/drivers/net/ixgbe/Makefile index 6a144e71cd..f03c426cf0 100644 --- a/drivers/net/ixgbe/Makefile +++ b/drivers/net/ixgbe/Makefile @@ -120,11 +120,11 @@ SRCS-$(CONFIG_RTE_IXGBE_INC_VECTOR) += ixgbe_rxtx_vec_neon.c else SRCS-$(CONFIG_RTE_IXGBE_INC_VECTOR) += ixgbe_rxtx_vec_sse.c endif - ifeq ($(CONFIG_RTE_LIBRTE_IXGBE_BYPASS),y) SRCS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += ixgbe_bypass.c SRCS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += ixgbe_82599_bypass.c endif +SRCS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += ixgbe_ipsec.c SRCS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += rte_pmd_ixgbe.c SRCS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += ixgbe_tm.c diff --git a/drivers/net/ixgbe/base/ixgbe_osdep.h b/drivers/net/ixgbe/base/ixgbe_osdep.h index 4aab278d55..bb5dfd2aff 100644 --- a/drivers/net/ixgbe/base/ixgbe_osdep.h +++ b/drivers/net/ixgbe/base/ixgbe_osdep.h @@ -161,4 +161,12 @@ static inline uint32_t ixgbe_read_addr(volatile void* addr) #define IXGBE_WRITE_REG_ARRAY(hw, reg, index, value) \ IXGBE_PCI_REG_WRITE(IXGBE_PCI_REG_ARRAY_ADDR((hw), (reg), (index)), (value)) +#define IXGBE_WRITE_REG_THEN_POLL_MASK(hw, reg, val, mask, poll_ms) \ +do { \ + uint32_t cnt = poll_ms; \ + IXGBE_WRITE_REG(hw, (reg), (val)); \ + while (((IXGBE_READ_REG(hw, (reg))) & (mask)) && (cnt--)) \ + rte_delay_ms(1); \ +} while (0) + #endif /* _IXGBE_OS_H_ */ diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index 14b9c5303a..10bf486a31 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -61,6 +61,7 @@ #include #include #include +#include #include "ixgbe_logs.h" #include "base/ixgbe_api.h" @@ -1167,6 +1168,11 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev) return 0; } + /* Initialize security_ctx only for primary process*/ + eth_dev->security_ctx = ixgbe_ipsec_ctx_create(eth_dev); + if (eth_dev->security_ctx == NULL) + return -ENOMEM; + rte_eth_copy_pci_info(eth_dev, pci_dev); eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE; @@ -1401,6 +1407,8 @@ eth_ixgbe_dev_uninit(struct rte_eth_dev *eth_dev) /* Remove all Traffic Manager configuration */ ixgbe_tm_conf_uninit(eth_dev); + rte_free(eth_dev->security_ctx); + return 0; } @@ -3695,6 +3703,9 @@ ixgbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) hw->mac.type == ixgbe_mac_X550EM_a) dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM; + dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_SECURITY; + dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_SECURITY; + dev_info->default_rxconf = (struct rte_eth_rxconf) { .rx_thresh = { .pthresh = IXGBE_DEFAULT_RX_PTHRESH, diff --git a/drivers/net/ixgbe/ixgbe_ethdev.h b/drivers/net/ixgbe/ixgbe_ethdev.h index e28c8567e1..f5b52c4ef9 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.h +++ b/drivers/net/ixgbe/ixgbe_ethdev.h @@ -38,6 +38,7 @@ #include "base/ixgbe_dcb_82599.h" #include "base/ixgbe_dcb_82598.h" #include "ixgbe_bypass.h" +#include "ixgbe_ipsec.h" #include #include #include @@ -486,7 +487,7 @@ struct ixgbe_adapter { struct ixgbe_filter_info filter; struct ixgbe_l2_tn_info l2_tn; struct ixgbe_bw_conf bw_conf; - + struct ixgbe_ipsec ipsec; bool rx_bulk_alloc_allowed; bool rx_vec_allowed; struct rte_timecounter systime_tc; @@ -543,6 +544,9 @@ struct ixgbe_adapter { #define IXGBE_DEV_PRIVATE_TO_TM_CONF(adapter) \ (&((struct ixgbe_adapter *)adapter)->tm_conf) +#define IXGBE_DEV_PRIVATE_TO_IPSEC(adapter)\ + (&((struct ixgbe_adapter *)adapter)->ipsec) + /* * RX/TX function prototypes */ diff --git a/drivers/net/ixgbe/ixgbe_flow.c b/drivers/net/ixgbe/ixgbe_flow.c index 904c146589..13c824325f 100644 --- a/drivers/net/ixgbe/ixgbe_flow.c +++ b/drivers/net/ixgbe/ixgbe_flow.c @@ -187,6 +187,9 @@ const struct rte_flow_action *next_no_void_action( * END * other members in mask and spec should set to 0x00. * item->last should be NULL. + * + * Special case for flow action type RTE_FLOW_ACTION_TYPE_SECURITY. + * */ static int cons_parse_ntuple_filter(const struct rte_flow_attr *attr, @@ -226,6 +229,41 @@ cons_parse_ntuple_filter(const struct rte_flow_attr *attr, return -rte_errno; } + /** + * Special case for flow action type RTE_FLOW_ACTION_TYPE_SECURITY + */ + act = next_no_void_action(actions, NULL); + if (act->type == RTE_FLOW_ACTION_TYPE_SECURITY) { + const void *conf = act->conf; + /* check if the next not void item is END */ + act = next_no_void_action(actions, act); + if (act->type != RTE_FLOW_ACTION_TYPE_END) { + memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, + act, "Not supported action."); + return -rte_errno; + } + + /* get the IP pattern*/ + item = next_no_void_pattern(pattern, NULL); + while (item->type != RTE_FLOW_ITEM_TYPE_IPV4 && + item->type != RTE_FLOW_ITEM_TYPE_IPV6) { + if (item->last || + item->type == RTE_FLOW_ITEM_TYPE_END) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "IP pattern missing."); + return -rte_errno; + } + item = next_no_void_pattern(pattern, item); + } + + filter->proto = IPPROTO_ESP; + return ixgbe_crypto_add_ingress_sa_from_flow(conf, item->spec, + item->type == RTE_FLOW_ITEM_TYPE_IPV6); + } + /* the first not void item can be MAC or IPv4 */ item = next_no_void_pattern(pattern, NULL); @@ -519,6 +557,10 @@ ixgbe_parse_ntuple_filter(struct rte_eth_dev *dev, if (ret) return ret; + /* ESP flow not really a flow*/ + if (filter->proto == IPPROTO_ESP) + return 0; + /* Ixgbe doesn't support tcp flags. */ if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG) { memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); @@ -2758,6 +2800,11 @@ ixgbe_flow_create(struct rte_eth_dev *dev, memset(&ntuple_filter, 0, sizeof(struct rte_eth_ntuple_filter)); ret = ixgbe_parse_ntuple_filter(dev, attr, pattern, actions, &ntuple_filter, error); + + /* ESP flow not really a flow*/ + if (ntuple_filter.proto == IPPROTO_ESP) + return flow; + if (!ret) { ret = ixgbe_add_del_ntuple_filter(dev, &ntuple_filter, TRUE); if (!ret) { diff --git a/drivers/net/ixgbe/ixgbe_ipsec.c b/drivers/net/ixgbe/ixgbe_ipsec.c new file mode 100644 index 0000000000..99c0a7314d --- /dev/null +++ b/drivers/net/ixgbe/ixgbe_ipsec.c @@ -0,0 +1,737 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2017 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "base/ixgbe_type.h" +#include "base/ixgbe_api.h" +#include "ixgbe_ethdev.h" +#include "ixgbe_ipsec.h" + +#define RTE_IXGBE_REGISTER_POLL_WAIT_5_MS 5 + +#define IXGBE_WAIT_RREAD \ + IXGBE_WRITE_REG_THEN_POLL_MASK(hw, IXGBE_IPSRXIDX, reg_val, \ + IPSRXIDX_READ, RTE_IXGBE_REGISTER_POLL_WAIT_5_MS) +#define IXGBE_WAIT_RWRITE \ + IXGBE_WRITE_REG_THEN_POLL_MASK(hw, IXGBE_IPSRXIDX, reg_val, \ + IPSRXIDX_WRITE, RTE_IXGBE_REGISTER_POLL_WAIT_5_MS) +#define IXGBE_WAIT_TREAD \ + IXGBE_WRITE_REG_THEN_POLL_MASK(hw, IXGBE_IPSTXIDX, reg_val, \ + IPSRXIDX_READ, RTE_IXGBE_REGISTER_POLL_WAIT_5_MS) +#define IXGBE_WAIT_TWRITE \ + IXGBE_WRITE_REG_THEN_POLL_MASK(hw, IXGBE_IPSTXIDX, reg_val, \ + IPSRXIDX_WRITE, RTE_IXGBE_REGISTER_POLL_WAIT_5_MS) + +#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 void +ixgbe_crypto_clear_ipsec_tables(struct rte_eth_dev *dev) +{ + struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); + int i = 0; + + /* clear Rx IP table*/ + for (i = 0; i < IPSEC_MAX_RX_IP_COUNT; i++) { + uint16_t index = i << 3; + uint32_t reg_val = IPSRXIDX_WRITE | IPSRXIDX_TABLE_IP | index; + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(0), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(1), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(2), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(3), 0); + IXGBE_WAIT_RWRITE; + } + + /* clear Rx SPI and Rx/Tx SA tables*/ + for (i = 0; i < IPSEC_MAX_SA_COUNT; i++) { + uint32_t index = i << 3; + uint32_t reg_val = IPSRXIDX_WRITE | IPSRXIDX_TABLE_SPI | index; + IXGBE_WRITE_REG(hw, IXGBE_IPSRXSPI, 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPIDX, 0); + IXGBE_WAIT_RWRITE; + reg_val = IPSRXIDX_WRITE | IPSRXIDX_TABLE_KEY | index; + IXGBE_WRITE_REG(hw, IXGBE_IPSRXKEY(0), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXKEY(1), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXKEY(2), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXKEY(3), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXSALT, 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXMOD, 0); + IXGBE_WAIT_RWRITE; + reg_val = IPSRXIDX_WRITE | index; + IXGBE_WRITE_REG(hw, IXGBE_IPSTXKEY(0), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXKEY(1), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXKEY(2), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXKEY(3), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXSALT, 0); + IXGBE_WAIT_TWRITE; + } +} + +static int +ixgbe_crypto_add_sa(struct ixgbe_crypto_session *ic_session) +{ + struct rte_eth_dev *dev = ic_session->dev; + struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); + struct ixgbe_ipsec *priv = IXGBE_DEV_PRIVATE_TO_IPSEC( + dev->data->dev_private); + uint32_t reg_val; + int sa_index = -1; + + if (ic_session->op == IXGBE_OP_AUTHENTICATED_DECRYPTION) { + int i, ip_index = -1; + + /* 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 = + rte_cpu_to_be_32(ic_session->spi); + priv->rx_sa_tbl[sa_index].ip_index = ip_index; + priv->rx_sa_tbl[sa_index].key[3] = + rte_cpu_to_be_32(*(uint32_t *)&ic_session->key[0]); + priv->rx_sa_tbl[sa_index].key[2] = + rte_cpu_to_be_32(*(uint32_t *)&ic_session->key[4]); + priv->rx_sa_tbl[sa_index].key[1] = + rte_cpu_to_be_32(*(uint32_t *)&ic_session->key[8]); + priv->rx_sa_tbl[sa_index].key[0] = + rte_cpu_to_be_32(*(uint32_t *)&ic_session->key[12]); + priv->rx_sa_tbl[sa_index].salt = + rte_cpu_to_be_32(ic_session->salt); + priv->rx_sa_tbl[sa_index].mode = IPSRXMOD_VALID; + if (ic_session->op == IXGBE_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_sa_tbl[sa_index].used = 1; + + /* write IP table entry*/ + reg_val = IPSRXIDX_RX_EN | IPSRXIDX_WRITE | + IPSRXIDX_TABLE_IP | (ip_index << 3); + if (priv->rx_ip_tbl[ip_index].ip.type == IPv4) { + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(0), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(1), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(2), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(3), + priv->rx_ip_tbl[ip_index].ip.ipv4); + } else { + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(0), + priv->rx_ip_tbl[ip_index].ip.ipv6[0]); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(1), + priv->rx_ip_tbl[ip_index].ip.ipv6[1]); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(2), + priv->rx_ip_tbl[ip_index].ip.ipv6[2]); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(3), + priv->rx_ip_tbl[ip_index].ip.ipv6[3]); + } + IXGBE_WAIT_RWRITE; + + /* write SPI table entry*/ + reg_val = IPSRXIDX_RX_EN | IPSRXIDX_WRITE | + IPSRXIDX_TABLE_SPI | (sa_index << 3); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXSPI, + priv->rx_sa_tbl[sa_index].spi); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPIDX, + priv->rx_sa_tbl[sa_index].ip_index); + IXGBE_WAIT_RWRITE; + + /* write Key table entry*/ + reg_val = IPSRXIDX_RX_EN | IPSRXIDX_WRITE | + IPSRXIDX_TABLE_KEY | (sa_index << 3); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXKEY(0), + priv->rx_sa_tbl[sa_index].key[0]); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXKEY(1), + priv->rx_sa_tbl[sa_index].key[1]); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXKEY(2), + priv->rx_sa_tbl[sa_index].key[2]); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXKEY(3), + priv->rx_sa_tbl[sa_index].key[3]); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXSALT, + priv->rx_sa_tbl[sa_index].salt); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXMOD, + priv->rx_sa_tbl[sa_index].mode); + IXGBE_WAIT_RWRITE; + + } else { /* sess->dir == RTE_CRYPTO_OUTBOUND */ + 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[sa_index].key[3] = + rte_cpu_to_be_32(*(uint32_t *)&ic_session->key[0]); + priv->tx_sa_tbl[sa_index].key[2] = + rte_cpu_to_be_32(*(uint32_t *)&ic_session->key[4]); + priv->tx_sa_tbl[sa_index].key[1] = + rte_cpu_to_be_32(*(uint32_t *)&ic_session->key[8]); + priv->tx_sa_tbl[sa_index].key[0] = + rte_cpu_to_be_32(*(uint32_t *)&ic_session->key[12]); + priv->tx_sa_tbl[sa_index].salt = + rte_cpu_to_be_32(ic_session->salt); + + reg_val = IPSRXIDX_RX_EN | IPSRXIDX_WRITE | (sa_index << 3); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXKEY(0), + priv->tx_sa_tbl[sa_index].key[0]); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXKEY(1), + priv->tx_sa_tbl[sa_index].key[1]); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXKEY(2), + priv->tx_sa_tbl[sa_index].key[2]); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXKEY(3), + priv->tx_sa_tbl[sa_index].key[3]); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXSALT, + priv->tx_sa_tbl[sa_index].salt); + IXGBE_WAIT_TWRITE; + + priv->tx_sa_tbl[i].used = 1; + ic_session->sa_index = sa_index; + } + + return 0; +} + +static int +ixgbe_crypto_remove_sa(struct rte_eth_dev *dev, + struct ixgbe_crypto_session *ic_session) +{ + struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); + struct ixgbe_ipsec *priv = + IXGBE_DEV_PRIVATE_TO_IPSEC(dev->data->dev_private); + uint32_t reg_val; + int sa_index = -1; + + if (ic_session->op == IXGBE_OP_AUTHENTICATED_DECRYPTION) { + int i, ip_index = -1; + + /* 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; + } + } + + /* Fail if no match*/ + if (ip_index < 0) { + PMD_DRV_LOG(ERR, + "Entry not found 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].spi == + rte_cpu_to_be_32(ic_session->spi)) { + sa_index = i; + break; + } + } + /* Fail if no match*/ + if (sa_index < 0) { + PMD_DRV_LOG(ERR, + "Entry not found in the Rx SA table\n"); + return -1; + } + + /* Disable and clear Rx SPI and key table table entryes*/ + reg_val = IPSRXIDX_WRITE | IPSRXIDX_TABLE_SPI | (sa_index << 3); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXSPI, 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPIDX, 0); + IXGBE_WAIT_RWRITE; + reg_val = IPSRXIDX_WRITE | IPSRXIDX_TABLE_KEY | (sa_index << 3); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXKEY(0), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXKEY(1), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXKEY(2), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXKEY(3), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXSALT, 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXMOD, 0); + IXGBE_WAIT_RWRITE; + priv->rx_sa_tbl[sa_index].used = 0; + + /* If last used then clear the IP table entry*/ + priv->rx_ip_tbl[ip_index].ref_count--; + if (priv->rx_ip_tbl[ip_index].ref_count == 0) { + reg_val = IPSRXIDX_WRITE | IPSRXIDX_TABLE_IP | + (ip_index << 3); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(0), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(1), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(2), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(3), 0); + } + } else { /* session->dir == RTE_CRYPTO_OUTBOUND */ + int i; + + /* Find a match in the SA table*/ + for (i = 0; i < IPSEC_MAX_SA_COUNT; i++) { + if (priv->tx_sa_tbl[i].spi == + rte_cpu_to_be_32(ic_session->spi)) { + sa_index = i; + break; + } + } + /* Fail if no match entries*/ + if (sa_index < 0) { + PMD_DRV_LOG(ERR, + "Entry not found in the Tx SA table\n"); + return -1; + } + reg_val = IPSRXIDX_WRITE | (sa_index << 3); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXKEY(0), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXKEY(1), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXKEY(2), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXKEY(3), 0); + IXGBE_WRITE_REG(hw, IXGBE_IPSTXSALT, 0); + IXGBE_WAIT_TWRITE; + + priv->tx_sa_tbl[sa_index].used = 0; + } + + return 0; +} + +static int +ixgbe_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 ixgbe_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"); + 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 = IXGBE_OP_AUTHENTICATED_DECRYPTION; + } else { + PMD_DRV_LOG(ERR, "IPsec decryption not enabled\n"); + return -ENOTSUP; + } + } else { + if (dev_conf->txmode.offloads & DEV_TX_OFFLOAD_SECURITY) { + ic_session->op = IXGBE_OP_AUTHENTICATED_ENCRYPTION; + } else { + PMD_DRV_LOG(ERR, "IPsec encryption not enabled\n"); + return -ENOTSUP; + } + } + + ic_session->key = aead_xform->key.data; + 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 == IXGBE_OP_AUTHENTICATED_ENCRYPTION) { + if (ixgbe_crypto_add_sa(ic_session)) { + PMD_DRV_LOG(ERR, "Failed to add SA\n"); + return -EPERM; + } + } + + return 0; +} + +static int +ixgbe_crypto_remove_session(void *device, + struct rte_security_session *session) +{ + struct rte_eth_dev *eth_dev = device; + struct ixgbe_crypto_session *ic_session = + (struct ixgbe_crypto_session *) + get_sec_session_private_data(session); + struct rte_mempool *mempool = rte_mempool_from_obj(ic_session); + + if (eth_dev != ic_session->dev) { + PMD_DRV_LOG(ERR, "Session not bound to this device\n"); + return -ENODEV; + } + + if (ixgbe_crypto_remove_sa(eth_dev, ic_session)) { + PMD_DRV_LOG(ERR, "Failed to remove session\n"); + return -EFAULT; + } + + rte_mempool_put(mempool, (void *)ic_session); + + return 0; +} + +static inline uint8_t +ixgbe_crypto_compute_pad_len(struct rte_mbuf *m) +{ + if (m->nb_segs == 1) { + /* 16 bytes ICV + 2 bytes ESP trailer + payload padding size + * payload padding size is stored at + */ + uint8_t *esp_pad_len = rte_pktmbuf_mtod_offset(m, uint8_t *, + rte_pktmbuf_pkt_len(m) - + (ESP_TRAILER_SIZE + ESP_ICV_SIZE)); + return *esp_pad_len + ESP_TRAILER_SIZE + ESP_ICV_SIZE; + } + return 0; +} + +static int +ixgbe_crypto_update_mb(void *device __rte_unused, + struct rte_security_session *session, + struct rte_mbuf *m, void *params __rte_unused) +{ + struct ixgbe_crypto_session *ic_session = + get_sec_session_private_data(session); + if (ic_session->op == IXGBE_OP_AUTHENTICATED_ENCRYPTION) { + union ixgbe_crypto_tx_desc_md *mdata = + (union ixgbe_crypto_tx_desc_md *)&m->udata64; + mdata->enc = 1; + mdata->sa_idx = ic_session->sa_index; + mdata->pad_len = ixgbe_crypto_compute_pad_len(m); + } + return 0; +} + + +static const struct rte_security_capability * +ixgbe_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 + ixgbe_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 ixgbe_security_capabilities; +} + + +int +ixgbe_crypto_enable_ipsec(struct rte_eth_dev *dev) +{ + struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); + uint32_t reg; + + /* sanity checks */ + if (dev->data->dev_conf.rxmode.enable_lro) { + PMD_DRV_LOG(ERR, "RSC and IPsec not supported"); + return -1; + } + if (!dev->data->dev_conf.rxmode.hw_strip_crc) { + PMD_DRV_LOG(ERR, "HW CRC strip needs to be enabled for IPsec"); + return -1; + } + + + /* Set IXGBE_SECTXBUFFAF to 0x15 as required in the datasheet*/ + IXGBE_WRITE_REG(hw, IXGBE_SECTXBUFFAF, 0x15); + + /* IFG needs to be set to 3 when we are using security. Otherwise a Tx + * hang will occur with heavy traffic. + */ + reg = IXGBE_READ_REG(hw, IXGBE_SECTXMINIFG); + reg = (reg & 0xFFFFFFF0) | 0x3; + IXGBE_WRITE_REG(hw, IXGBE_SECTXMINIFG, reg); + + reg = IXGBE_READ_REG(hw, IXGBE_HLREG0); + reg |= IXGBE_HLREG0_TXCRCEN | IXGBE_HLREG0_RXCRCSTRP; + IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg); + + if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SECURITY) { + IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, 0); + reg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL); + if (reg != 0) { + PMD_DRV_LOG(ERR, "Error enabling Rx Crypto"); + return -1; + } + } + if (dev->data->dev_conf.txmode.offloads & DEV_TX_OFFLOAD_SECURITY) { + IXGBE_WRITE_REG(hw, IXGBE_SECTXCTRL, + IXGBE_SECTXCTRL_STORE_FORWARD); + reg = IXGBE_READ_REG(hw, IXGBE_SECTXCTRL); + if (reg != IXGBE_SECTXCTRL_STORE_FORWARD) { + PMD_DRV_LOG(ERR, "Error enabling Rx Crypto"); + return -1; + } + } + + ixgbe_crypto_clear_ipsec_tables(dev); + + return 0; +} + +int +ixgbe_crypto_add_ingress_sa_from_flow(const void *sess, + const void *ip_spec, + uint8_t is_ipv6) +{ + struct ixgbe_crypto_session *ic_session + = get_sec_session_private_data(sess); + + if (ic_session->op == IXGBE_OP_AUTHENTICATED_DECRYPTION) { + if (is_ipv6) { + const struct rte_flow_item_ipv6 *ipv6 = ip_spec; + ic_session->src_ip.type = IPv6; + ic_session->dst_ip.type = IPv6; + rte_memcpy(ic_session->src_ip.ipv6, + ipv6->hdr.src_addr, 16); + rte_memcpy(ic_session->dst_ip.ipv6, + ipv6->hdr.dst_addr, 16); + } else { + const struct rte_flow_item_ipv4 *ipv4 = ip_spec; + ic_session->src_ip.type = IPv4; + ic_session->dst_ip.type = IPv4; + ic_session->src_ip.ipv4 = ipv4->hdr.src_addr; + ic_session->dst_ip.ipv4 = ipv4->hdr.dst_addr; + } + return ixgbe_crypto_add_sa(ic_session); + } + + return 0; +} + +static struct rte_security_ops ixgbe_security_ops = { + .session_create = ixgbe_crypto_create_session, + .session_update = NULL, + .session_stats_get = NULL, + .session_destroy = ixgbe_crypto_remove_session, + .set_pkt_metadata = ixgbe_crypto_update_mb, + .capabilities_get = ixgbe_crypto_capabilities_get +}; + +struct rte_security_ctx * +ixgbe_ipsec_ctx_create(struct rte_eth_dev *dev) +{ + struct rte_security_ctx *ctx = rte_malloc("rte_security_instances_ops", + sizeof(struct rte_security_ctx), 0); + if (ctx) { + ctx->device = (void *)dev; + ctx->ops = &ixgbe_security_ops; + ctx->sess_cnt = 0; + } + return ctx; +} diff --git a/drivers/net/ixgbe/ixgbe_ipsec.h b/drivers/net/ixgbe/ixgbe_ipsec.h new file mode 100644 index 0000000000..fb8fefc83c --- /dev/null +++ b/drivers/net/ixgbe/ixgbe_ipsec.h @@ -0,0 +1,151 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2017 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef IXGBE_IPSEC_H_ +#define IXGBE_IPSEC_H_ + +#include + +#define IPSRXIDX_RX_EN 0x00000001 +#define IPSRXIDX_TABLE_IP 0x00000002 +#define IPSRXIDX_TABLE_SPI 0x00000004 +#define IPSRXIDX_TABLE_KEY 0x00000006 +#define IPSRXIDX_WRITE 0x80000000 +#define IPSRXIDX_READ 0x40000000 +#define IPSRXMOD_VALID 0x00000001 +#define IPSRXMOD_PROTO 0x00000004 +#define IPSRXMOD_DECRYPT 0x00000008 +#define IPSRXMOD_IPV6 0x00000010 +#define IXGBE_ADVTXD_POPTS_IPSEC 0x00000400 +#define IXGBE_ADVTXD_TUCMD_IPSEC_TYPE_ESP 0x00002000 +#define IXGBE_ADVTXD_TUCMD_IPSEC_ENCRYPT_EN 0x00004000 +#define IXGBE_RXDADV_IPSEC_STATUS_SECP 0x00020000 +#define IXGBE_RXDADV_IPSEC_ERROR_BIT_MASK 0x18000000 +#define IXGBE_RXDADV_IPSEC_ERROR_INVALID_PROTOCOL 0x08000000 +#define IXGBE_RXDADV_IPSEC_ERROR_INVALID_LENGTH 0x10000000 +#define IXGBE_RXDADV_IPSEC_ERROR_AUTHENTICATION_FAILED 0x18000000 + +#define IPSEC_MAX_RX_IP_COUNT 128 +#define IPSEC_MAX_SA_COUNT 1024 + +#define ESP_ICV_SIZE 16 +#define ESP_TRAILER_SIZE 2 + +enum ixgbe_operation { + IXGBE_OP_AUTHENTICATED_ENCRYPTION, + IXGBE_OP_AUTHENTICATED_DECRYPTION +}; + +enum ixgbe_gcm_key { + IXGBE_GCM_KEY_128, + IXGBE_GCM_KEY_256 +}; + +/** + * 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 ixgbe_crypto_session { + enum ixgbe_operation op; + uint8_t *key; + 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 ixgbe_crypto_rx_ip_table { + struct ipaddr ip; + uint16_t ref_count; +}; +struct ixgbe_crypto_rx_sa_table { + uint32_t spi; + uint32_t ip_index; + uint32_t key[4]; + uint32_t salt; + uint8_t mode; + uint8_t used; +}; + +struct ixgbe_crypto_tx_sa_table { + uint32_t spi; + uint32_t key[4]; + uint32_t salt; + uint8_t used; +}; + +union ixgbe_crypto_tx_desc_md { + uint64_t data; + struct { + /**< SA table index */ + uint32_t sa_idx; + /**< ICV and ESP trailer length */ + uint8_t pad_len; + /**< enable encryption */ + uint8_t enc; + }; +}; + +struct ixgbe_ipsec { + struct ixgbe_crypto_rx_ip_table rx_ip_tbl[IPSEC_MAX_RX_IP_COUNT]; + struct ixgbe_crypto_rx_sa_table rx_sa_tbl[IPSEC_MAX_SA_COUNT]; + struct ixgbe_crypto_tx_sa_table tx_sa_tbl[IPSEC_MAX_SA_COUNT]; +}; + + +struct rte_security_ctx * +ixgbe_ipsec_ctx_create(struct rte_eth_dev *dev); +int ixgbe_crypto_enable_ipsec(struct rte_eth_dev *dev); +int ixgbe_crypto_add_ingress_sa_from_flow(const void *sess, + const void *ip_spec, + uint8_t is_ipv6); + + + +#endif /*IXGBE_IPSEC_H_*/ diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c index 0038dfbb4b..38a014a92d 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx.c +++ b/drivers/net/ixgbe/ixgbe_rxtx.c @@ -93,6 +93,7 @@ PKT_TX_TCP_SEG | \ PKT_TX_MACSEC | \ PKT_TX_OUTER_IP_CKSUM | \ + PKT_TX_SEC_OFFLOAD | \ IXGBE_TX_IEEE1588_TMST) #define IXGBE_TX_OFFLOAD_NOTSUP_MASK \ @@ -395,7 +396,8 @@ ixgbe_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts, static inline void ixgbe_set_xmit_ctx(struct ixgbe_tx_queue *txq, volatile struct ixgbe_adv_tx_context_desc *ctx_txd, - uint64_t ol_flags, union ixgbe_tx_offload tx_offload) + uint64_t ol_flags, union ixgbe_tx_offload tx_offload, + union ixgbe_crypto_tx_desc_md *mdata) { uint32_t type_tucmd_mlhl; uint32_t mss_l4len_idx = 0; @@ -479,6 +481,17 @@ ixgbe_set_xmit_ctx(struct ixgbe_tx_queue *txq, seqnum_seed |= tx_offload.l2_len << IXGBE_ADVTXD_TUNNEL_LEN; } + if (ol_flags & PKT_TX_SEC_OFFLOAD) { + seqnum_seed |= + (IXGBE_ADVTXD_IPSEC_SA_INDEX_MASK & mdata->sa_idx); + type_tucmd_mlhl |= mdata->enc ? + (IXGBE_ADVTXD_TUCMD_IPSEC_TYPE_ESP | + IXGBE_ADVTXD_TUCMD_IPSEC_ENCRYPT_EN) : 0; + type_tucmd_mlhl |= + (mdata->pad_len & IXGBE_ADVTXD_IPSEC_ESP_LEN_MASK); + tx_offload_mask.sa_idx |= ~0; + tx_offload_mask.sec_pad_len |= ~0; + } txq->ctx_cache[ctx_idx].flags = ol_flags; txq->ctx_cache[ctx_idx].tx_offload.data[0] = @@ -657,6 +670,7 @@ ixgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint32_t ctx = 0; uint32_t new_ctx; union ixgbe_tx_offload tx_offload; + uint8_t use_ipsec; tx_offload.data[0] = 0; tx_offload.data[1] = 0; @@ -684,6 +698,7 @@ ixgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, * are needed for offload functionality. */ ol_flags = tx_pkt->ol_flags; + use_ipsec = txq->using_ipsec && (ol_flags & PKT_TX_SEC_OFFLOAD); /* If hardware offload required */ tx_ol_req = ol_flags & IXGBE_TX_OFFLOAD_MASK; @@ -695,6 +710,13 @@ ixgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, tx_offload.tso_segsz = tx_pkt->tso_segsz; tx_offload.outer_l2_len = tx_pkt->outer_l2_len; tx_offload.outer_l3_len = tx_pkt->outer_l3_len; + if (use_ipsec) { + union ixgbe_crypto_tx_desc_md *ipsec_mdata = + (union ixgbe_crypto_tx_desc_md *) + &tx_pkt->udata64; + tx_offload.sa_idx = ipsec_mdata->sa_idx; + tx_offload.sec_pad_len = ipsec_mdata->pad_len; + } /* If new context need be built or reuse the exist ctx. */ ctx = what_advctx_update(txq, tx_ol_req, @@ -855,7 +877,9 @@ ixgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, } ixgbe_set_xmit_ctx(txq, ctx_txd, tx_ol_req, - tx_offload); + tx_offload, + (union ixgbe_crypto_tx_desc_md *) + &tx_pkt->udata64); txe->last_id = tx_last; tx_id = txe->next_id; @@ -873,6 +897,8 @@ ixgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, } olinfo_status |= (pkt_len << IXGBE_ADVTXD_PAYLEN_SHIFT); + if (use_ipsec) + olinfo_status |= IXGBE_ADVTXD_POPTS_IPSEC; m_seg = tx_pkt; do { @@ -1447,6 +1473,12 @@ rx_desc_error_to_pkt_flags(uint32_t rx_status) pkt_flags |= PKT_RX_EIP_CKSUM_BAD; } + if (rx_status & IXGBE_RXD_STAT_SECP) { + pkt_flags |= PKT_RX_SEC_OFFLOAD; + if (rx_status & IXGBE_RXDADV_LNKSEC_ERROR_BAD_SIG) + pkt_flags |= PKT_RX_SEC_OFFLOAD_FAILED; + } + return pkt_flags; } @@ -2364,8 +2396,10 @@ void __attribute__((cold)) ixgbe_set_tx_function(struct rte_eth_dev *dev, struct ixgbe_tx_queue *txq) { /* Use a simple Tx queue (no offloads, no multi segs) if possible */ - if (((txq->txq_flags & IXGBE_SIMPLE_FLAGS) == IXGBE_SIMPLE_FLAGS) - && (txq->tx_rs_thresh >= RTE_PMD_IXGBE_TX_MAX_BURST)) { + if (((txq->txq_flags & IXGBE_SIMPLE_FLAGS) == IXGBE_SIMPLE_FLAGS) && + (txq->tx_rs_thresh >= RTE_PMD_IXGBE_TX_MAX_BURST) && + !(dev->data->dev_conf.txmode.offloads + & DEV_TX_OFFLOAD_SECURITY)) { PMD_INIT_LOG(DEBUG, "Using simple tx code path"); dev->tx_pkt_prepare = NULL; #ifdef RTE_IXGBE_INC_VECTOR @@ -2535,6 +2569,8 @@ ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev, txq->txq_flags = tx_conf->txq_flags; txq->ops = &def_txq_ops; txq->tx_deferred_start = tx_conf->tx_deferred_start; + txq->using_ipsec = !!(dev->data->dev_conf.txmode.offloads & + DEV_TX_OFFLOAD_SECURITY); /* * Modification to set VFTDT for virtual function if vf is detected @@ -4519,6 +4555,8 @@ ixgbe_set_rx_function(struct rte_eth_dev *dev) struct ixgbe_rx_queue *rxq = dev->data->rx_queues[i]; rxq->rx_using_sse = rx_using_sse; + rxq->using_ipsec = !!(dev->data->dev_conf.rxmode.offloads & + DEV_RX_OFFLOAD_SECURITY); } } @@ -5006,6 +5044,19 @@ ixgbe_dev_rxtx_start(struct rte_eth_dev *dev) dev->data->dev_conf.lpbk_mode == IXGBE_LPBK_82599_TX_RX) ixgbe_setup_loopback_link_82599(hw); + if ((dev->data->dev_conf.rxmode.offloads & + DEV_RX_OFFLOAD_SECURITY) || + (dev->data->dev_conf.txmode.offloads & + DEV_TX_OFFLOAD_SECURITY)) { + ret = ixgbe_crypto_enable_ipsec(dev); + if (ret != 0) { + PMD_DRV_LOG(ERR, + "ixgbe_crypto_enable_ipsec fails with %d.", + ret); + return ret; + } + } + return 0; } diff --git a/drivers/net/ixgbe/ixgbe_rxtx.h b/drivers/net/ixgbe/ixgbe_rxtx.h index 81c527fad5..40178316ce 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx.h +++ b/drivers/net/ixgbe/ixgbe_rxtx.h @@ -138,8 +138,10 @@ struct ixgbe_rx_queue { uint16_t rx_nb_avail; /**< nr of staged pkts ready to ret to app */ uint16_t rx_next_avail; /**< idx of next staged pkt to ret to app */ uint16_t rx_free_trigger; /**< triggers rx buffer allocation */ - uint16_t rx_using_sse; + uint8_t rx_using_sse; /**< indicates that vector RX is in use */ + uint8_t using_ipsec; + /**< indicates that IPsec RX feature is in use */ #ifdef RTE_IXGBE_INC_VECTOR uint16_t rxrearm_nb; /**< number of remaining to be re-armed */ uint16_t rxrearm_start; /**< the idx we start the re-arming from */ @@ -183,6 +185,10 @@ union ixgbe_tx_offload { /* fields for TX offloading of tunnels */ uint64_t outer_l3_len:8; /**< Outer L3 (IP) Hdr Length. */ uint64_t outer_l2_len:8; /**< Outer L2 (MAC) Hdr Length. */ + + /* inline ipsec related*/ + uint64_t sa_idx:8; /**< TX SA database entry index */ + uint64_t sec_pad_len:4; /**< padding length */ }; }; @@ -247,6 +253,9 @@ struct ixgbe_tx_queue { struct ixgbe_advctx_info ctx_cache[IXGBE_CTX_NUM]; const struct ixgbe_txq_ops *ops; /**< txq ops */ uint8_t tx_deferred_start; /**< not in global dev start. */ + uint8_t using_ipsec; + /**< indicates that IPsec TX feature is in use */ + }; struct ixgbe_txq_ops { diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c index e704a7f355..b65220f1bb 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c +++ b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c @@ -122,6 +122,59 @@ ixgbe_rxq_rearm(struct ixgbe_rx_queue *rxq) IXGBE_PCI_REG_WRITE(rxq->rdt_reg_addr, rx_id); } +static inline void +desc_to_olflags_v_ipsec(__m128i descs[4], struct rte_mbuf **rx_pkts) +{ + __m128i sterr0, sterr1, sterr2, sterr3; + __m128i tmp1, tmp2, tmp3, tmp4; + __m128i rearm0, rearm1, rearm2, rearm3; + + const __m128i ipsec_sterr_msk = _mm_set_epi32( + 0, IXGBE_RXDADV_IPSEC_STATUS_SECP | + IXGBE_RXDADV_IPSEC_ERROR_AUTH_FAILED, + 0, 0); + const __m128i ipsec_proc_msk = _mm_set_epi32( + 0, IXGBE_RXDADV_IPSEC_STATUS_SECP, 0, 0); + const __m128i ipsec_err_flag = _mm_set_epi32( + 0, PKT_RX_SEC_OFFLOAD_FAILED | PKT_RX_SEC_OFFLOAD, + 0, 0); + const __m128i ipsec_proc_flag = _mm_set_epi32( + 0, PKT_RX_SEC_OFFLOAD, 0, 0); + + rearm0 = _mm_load_si128((__m128i *)&rx_pkts[0]->rearm_data); + rearm1 = _mm_load_si128((__m128i *)&rx_pkts[1]->rearm_data); + rearm2 = _mm_load_si128((__m128i *)&rx_pkts[2]->rearm_data); + rearm3 = _mm_load_si128((__m128i *)&rx_pkts[3]->rearm_data); + sterr0 = _mm_and_si128(descs[0], ipsec_sterr_msk); + sterr1 = _mm_and_si128(descs[1], ipsec_sterr_msk); + sterr2 = _mm_and_si128(descs[2], ipsec_sterr_msk); + sterr3 = _mm_and_si128(descs[3], ipsec_sterr_msk); + tmp1 = _mm_cmpeq_epi32(sterr0, ipsec_sterr_msk); + tmp2 = _mm_cmpeq_epi32(sterr0, ipsec_proc_msk); + tmp3 = _mm_cmpeq_epi32(sterr1, ipsec_sterr_msk); + tmp4 = _mm_cmpeq_epi32(sterr1, ipsec_proc_msk); + sterr0 = _mm_or_si128(_mm_and_si128(tmp1, ipsec_err_flag), + _mm_and_si128(tmp2, ipsec_proc_flag)); + sterr1 = _mm_or_si128(_mm_and_si128(tmp3, ipsec_err_flag), + _mm_and_si128(tmp4, ipsec_proc_flag)); + tmp1 = _mm_cmpeq_epi32(sterr2, ipsec_sterr_msk); + tmp2 = _mm_cmpeq_epi32(sterr2, ipsec_proc_msk); + tmp3 = _mm_cmpeq_epi32(sterr3, ipsec_sterr_msk); + tmp4 = _mm_cmpeq_epi32(sterr3, ipsec_proc_msk); + sterr2 = _mm_or_si128(_mm_and_si128(tmp1, ipsec_err_flag), + _mm_and_si128(tmp2, ipsec_proc_flag)); + sterr3 = _mm_or_si128(_mm_and_si128(tmp3, ipsec_err_flag), + _mm_and_si128(tmp4, ipsec_proc_flag)); + rearm0 = _mm_or_si128(rearm0, sterr0); + rearm1 = _mm_or_si128(rearm1, sterr1); + rearm2 = _mm_or_si128(rearm2, sterr2); + rearm3 = _mm_or_si128(rearm3, sterr3); + _mm_store_si128((__m128i *)&rx_pkts[0]->rearm_data, rearm0); + _mm_store_si128((__m128i *)&rx_pkts[1]->rearm_data, rearm1); + _mm_store_si128((__m128i *)&rx_pkts[2]->rearm_data, rearm2); + _mm_store_si128((__m128i *)&rx_pkts[3]->rearm_data, rearm3); +} + static inline void desc_to_olflags_v(__m128i descs[4], __m128i mbuf_init, uint8_t vlan_flags, struct rte_mbuf **rx_pkts) @@ -310,6 +363,7 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, volatile union ixgbe_adv_rx_desc *rxdp; struct ixgbe_rx_entry *sw_ring; uint16_t nb_pkts_recd; + uint8_t use_ipsec = rxq->using_ipsec; int pos; uint64_t var; __m128i shuf_msk; @@ -473,6 +527,9 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, /* set ol_flags with vlan packet type */ desc_to_olflags_v(descs, mbuf_init, vlan_flags, &rx_pkts[pos]); + if (unlikely(use_ipsec)) + desc_to_olflags_v_ipsec(descs, rx_pkts); + /* D.2 pkt 3,4 set in_port/nb_seg and remove crc */ pkt_mb4 = _mm_add_epi16(pkt_mb4, crc_adjust); pkt_mb3 = _mm_add_epi16(pkt_mb3, crc_adjust); -- 2.20.1