net/ixgbe: use SPDX tags in 6WIND copyrighted files
[dpdk.git] / drivers / net / ixgbe / ixgbe_rxtx.c
index 0038dfb..6c582b4 100644 (file)
@@ -1,35 +1,6 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
- *   Copyright 2014 6WIND S.A.
- *   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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation.
+ * Copyright 2014 6WIND S.A.
  */
 
 #include <sys/queue.h>
@@ -62,7 +33,7 @@
 #include <rte_malloc.h>
 #include <rte_mbuf.h>
 #include <rte_ether.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
 #include <rte_prefetch.h>
 #include <rte_udp.h>
 #include <rte_tcp.h>
@@ -93,6 +64,7 @@
                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 \
@@ -184,7 +156,7 @@ tx4(volatile union ixgbe_adv_tx_desc *txdp, struct rte_mbuf **pkts)
        int i;
 
        for (i = 0; i < 4; ++i, ++txdp, ++pkts) {
-               buf_dma_addr = rte_mbuf_data_dma_addr(*pkts);
+               buf_dma_addr = rte_mbuf_data_iova(*pkts);
                pkt_len = (*pkts)->data_len;
 
                /* write data to descriptor */
@@ -207,7 +179,7 @@ tx1(volatile union ixgbe_adv_tx_desc *txdp, struct rte_mbuf **pkts)
        uint64_t buf_dma_addr;
        uint32_t pkt_len;
 
-       buf_dma_addr = rte_mbuf_data_dma_addr(*pkts);
+       buf_dma_addr = rte_mbuf_data_iova(*pkts);
        pkt_len = (*pkts)->data_len;
 
        /* write data to descriptor */
@@ -395,7 +367,8 @@ 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,
+               __rte_unused uint64_t *mdata)
 {
        uint32_t type_tucmd_mlhl;
        uint32_t mss_l4len_idx = 0;
@@ -479,6 +452,21 @@ ixgbe_set_xmit_ctx(struct ixgbe_tx_queue *txq,
                seqnum_seed |= tx_offload.l2_len
                               << IXGBE_ADVTXD_TUNNEL_LEN;
        }
+#ifdef RTE_LIBRTE_SECURITY
+       if (ol_flags & PKT_TX_SEC_OFFLOAD) {
+               union ixgbe_crypto_tx_desc_md *md =
+                               (union ixgbe_crypto_tx_desc_md *)mdata;
+               seqnum_seed |=
+                       (IXGBE_ADVTXD_IPSEC_SA_INDEX_MASK & md->sa_idx);
+               type_tucmd_mlhl |= md->enc ?
+                               (IXGBE_ADVTXD_TUCMD_IPSEC_TYPE_ESP |
+                               IXGBE_ADVTXD_TUCMD_IPSEC_ENCRYPT_EN) : 0;
+               type_tucmd_mlhl |=
+                       (md->pad_len & IXGBE_ADVTXD_IPSEC_ESP_LEN_MASK);
+               tx_offload_mask.sa_idx |= ~0;
+               tx_offload_mask.sec_pad_len |= ~0;
+       }
+#endif
 
        txq->ctx_cache[ctx_idx].flags = ol_flags;
        txq->ctx_cache[ctx_idx].tx_offload.data[0]  =
@@ -657,6 +645,9 @@ 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;
+#ifdef RTE_LIBRTE_SECURITY
+       uint8_t use_ipsec;
+#endif
 
        tx_offload.data[0] = 0;
        tx_offload.data[1] = 0;
@@ -684,6 +675,9 @@ ixgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
                 * are needed for offload functionality.
                 */
                ol_flags = tx_pkt->ol_flags;
+#ifdef RTE_LIBRTE_SECURITY
+               use_ipsec = txq->using_ipsec && (ol_flags & PKT_TX_SEC_OFFLOAD);
+#endif
 
                /* If hardware offload required */
                tx_ol_req = ol_flags & IXGBE_TX_OFFLOAD_MASK;
@@ -695,6 +689,15 @@ 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;
+#ifdef RTE_LIBRTE_SECURITY
+                       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;
+                       }
+#endif
 
                        /* If new context need be built or reuse the exist ctx. */
                        ctx = what_advctx_update(txq, tx_ol_req,
@@ -855,7 +858,7 @@ 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, &tx_pkt->udata64);
 
                                txe->last_id = tx_last;
                                tx_id = txe->next_id;
@@ -873,6 +876,10 @@ ixgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
                }
 
                olinfo_status |= (pkt_len << IXGBE_ADVTXD_PAYLEN_SHIFT);
+#ifdef RTE_LIBRTE_SECURITY
+               if (use_ipsec)
+                       olinfo_status |= IXGBE_ADVTXD_POPTS_IPSEC;
+#endif
 
                m_seg = tx_pkt;
                do {
@@ -888,7 +895,7 @@ ixgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
                         * Set up Transmit Data Descriptor.
                         */
                        slen = m_seg->data_len;
-                       buf_dma_addr = rte_mbuf_data_dma_addr(m_seg);
+                       buf_dma_addr = rte_mbuf_data_iova(m_seg);
                        txd->read.buffer_addr =
                                rte_cpu_to_le_64(buf_dma_addr);
                        txd->read.cmd_type_len =
@@ -1447,6 +1454,14 @@ rx_desc_error_to_pkt_flags(uint32_t rx_status)
                pkt_flags |= PKT_RX_EIP_CKSUM_BAD;
        }
 
+#ifdef RTE_LIBRTE_SECURITY
+       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;
+       }
+#endif
+
        return pkt_flags;
 }
 
@@ -1589,7 +1604,7 @@ ixgbe_rx_alloc_bufs(struct ixgbe_rx_queue *rxq, bool reset_mbuf)
                mb->data_off = RTE_PKTMBUF_HEADROOM;
 
                /* populate the descriptors */
-               dma_addr = rte_cpu_to_le_64(rte_mbuf_data_dma_addr_default(mb));
+               dma_addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mb));
                rxdp[i].read.hdr_addr = 0;
                rxdp[i].read.pkt_addr = dma_addr;
        }
@@ -1821,7 +1836,7 @@ ixgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                rxm = rxe->mbuf;
                rxe->mbuf = nmb;
                dma_addr =
-                       rte_cpu_to_le_64(rte_mbuf_data_dma_addr_default(nmb));
+                       rte_cpu_to_le_64(rte_mbuf_data_iova_default(nmb));
                rxdp->read.hdr_addr = 0;
                rxdp->read.pkt_addr = dma_addr;
 
@@ -1849,7 +1864,7 @@ ixgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                rxm->port = rxq->port_id;
 
                pkt_info = rte_le_to_cpu_32(rxd.wb.lower.lo_dword.data);
-               /* Only valid if PKT_RX_VLAN_PKT set in pkt_flags */
+               /* Only valid if PKT_RX_VLAN set in pkt_flags */
                rxm->vlan_tci = rte_le_to_cpu_16(rxd.wb.upper.vlan);
 
                pkt_flags = rx_desc_status_to_pkt_flags(staterr, vlan_flags);
@@ -1940,7 +1955,7 @@ ixgbe_fill_cluster_head_buf(
 
        head->port = rxq->port_id;
 
-       /* The vlan_tci field is only valid when PKT_RX_VLAN_PKT is
+       /* The vlan_tci field is only valid when PKT_RX_VLAN is
         * set in the pkt_flags field.
         */
        head->vlan_tci = rte_le_to_cpu_16(desc->wb.upper.vlan);
@@ -2115,7 +2130,7 @@ next_desc:
 
                if (!bulk_alloc) {
                        __le64 dma =
-                         rte_cpu_to_le_64(rte_mbuf_data_dma_addr_default(nmb));
+                         rte_cpu_to_le_64(rte_mbuf_data_iova_default(nmb));
                        /*
                         * Update RX descriptor with the physical address of the
                         * new data buffer of the new allocated mbuf.
@@ -2364,8 +2379,11 @@ 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) &&
+#ifdef RTE_LIBRTE_SECURITY
+                       !(txq->using_ipsec) &&
+#endif
+                       (txq->tx_rs_thresh >= RTE_PMD_IXGBE_TX_MAX_BURST)) {
                PMD_INIT_LOG(DEBUG, "Using simple tx code path");
                dev->tx_pkt_prepare = NULL;
 #ifdef RTE_IXGBE_INC_VECTOR
@@ -2535,6 +2553,10 @@ 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;
+#ifdef RTE_LIBRTE_SECURITY
+       txq->using_ipsec = !!(dev->data->dev_conf.txmode.offloads &
+                       DEV_TX_OFFLOAD_SECURITY);
+#endif
 
        /*
         * Modification to set VFTDT for virtual function if vf is detected
@@ -2548,7 +2570,7 @@ ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev,
        else
                txq->tdt_reg_addr = IXGBE_PCI_REG_ADDR(hw, IXGBE_TDT(txq->reg_idx));
 
-       txq->tx_ring_phys_addr = tz->phys_addr;
+       txq->tx_ring_phys_addr = tz->iova;
        txq->tx_ring = (union ixgbe_adv_tx_desc *) tz->addr;
 
        /* Allocate software ring */
@@ -2588,7 +2610,7 @@ ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev,
 static void __attribute__((cold))
 ixgbe_free_sc_cluster(struct rte_mbuf *m)
 {
-       uint8_t i, nb_segs = m->nb_segs;
+       uint16_t i, nb_segs = m->nb_segs;
        struct rte_mbuf *next_seg;
 
        for (i = 0; i < nb_segs; i++) {
@@ -2850,7 +2872,7 @@ ixgbe_dev_rx_queue_setup(struct rte_eth_dev *dev,
                        IXGBE_PCI_REG_ADDR(hw, IXGBE_RDH(rxq->reg_idx));
        }
 
-       rxq->rx_ring_phys_addr = rz->phys_addr;
+       rxq->rx_ring_phys_addr = rz->iova;
        rxq->rx_ring = (union ixgbe_adv_rx_desc *) rz->addr;
 
        /*
@@ -4137,7 +4159,7 @@ ixgbe_alloc_rx_queue_mbufs(struct ixgbe_rx_queue *rxq)
                mbuf->port = rxq->port_id;
 
                dma_addr =
-                       rte_cpu_to_le_64(rte_mbuf_data_dma_addr_default(mbuf));
+                       rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
                rxd = &rxq->rx_ring[i];
                rxd->read.hdr_addr = 0;
                rxd->read.pkt_addr = dma_addr;
@@ -4519,6 +4541,10 @@ 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;
+#ifdef RTE_LIBRTE_SECURITY
+               rxq->using_ipsec = !!(dev->data->dev_conf.rxmode.offloads &
+                               DEV_RX_OFFLOAD_SECURITY);
+#endif
        }
 }
 
@@ -5006,6 +5032,21 @@ 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);
 
+#ifdef RTE_LIBRTE_SECURITY
+       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;
+               }
+       }
+#endif
+
        return 0;
 }
 
@@ -5480,6 +5521,71 @@ ixgbevf_dev_rxtx_start(struct rte_eth_dev *dev)
        }
 }
 
+int
+ixgbe_config_rss_filter(struct rte_eth_dev *dev,
+               struct ixgbe_rte_flow_rss_conf *conf, bool add)
+{
+       struct ixgbe_hw *hw;
+       uint32_t reta;
+       uint16_t i;
+       uint16_t j;
+       uint16_t sp_reta_size;
+       uint32_t reta_reg;
+       struct rte_eth_rss_conf rss_conf = conf->rss_conf;
+       struct ixgbe_filter_info *filter_info =
+               IXGBE_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+
+       PMD_INIT_FUNC_TRACE();
+       hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       sp_reta_size = ixgbe_reta_size_get(hw->mac.type);
+
+       if (!add) {
+               if (memcmp(conf, &filter_info->rss_info,
+                       sizeof(struct ixgbe_rte_flow_rss_conf)) == 0) {
+                       ixgbe_rss_disable(dev);
+                       memset(&filter_info->rss_info, 0,
+                               sizeof(struct ixgbe_rte_flow_rss_conf));
+                       return 0;
+               }
+               return -EINVAL;
+       }
+
+       if (filter_info->rss_info.num)
+               return -EINVAL;
+       /* Fill in redirection table
+        * The byte-swap is needed because NIC registers are in
+        * little-endian order.
+        */
+       reta = 0;
+       for (i = 0, j = 0; i < sp_reta_size; i++, j++) {
+               reta_reg = ixgbe_reta_reg_get(hw->mac.type, i);
+
+               if (j == conf->num)
+                       j = 0;
+               reta = (reta << 8) | conf->queue[j];
+               if ((i & 3) == 3)
+                       IXGBE_WRITE_REG(hw, reta_reg,
+                                       rte_bswap32(reta));
+       }
+
+       /* Configure the RSS key and the RSS protocols used to compute
+        * the RSS hash of input packets.
+        */
+       if ((rss_conf.rss_hf & IXGBE_RSS_OFFLOAD_ALL) == 0) {
+               ixgbe_rss_disable(dev);
+               return -EINVAL;
+       }
+       if (rss_conf.rss_key == NULL)
+               rss_conf.rss_key = rss_intel_key; /* Default hash key */
+       ixgbe_hw_rss_hash_set(hw, &rss_conf);
+
+       rte_memcpy(&filter_info->rss_info,
+               conf, sizeof(struct ixgbe_rte_flow_rss_conf));
+
+       return 0;
+}
+
 /* Stubs needed for linkage when CONFIG_RTE_IXGBE_INC_VECTOR is set to 'n' */
 int __attribute__((weak))
 ixgbe_rx_vec_dev_conf_condition_check(struct rte_eth_dev __rte_unused *dev)