* Copyright(C) 2021 Marvell.
*/
#include "cn10k_ethdev.h"
+#include "cn10k_rte_flow.h"
+#include "cn10k_rx.h"
+#include "cn10k_tx.h"
+
+static uint16_t
+nix_rx_offload_flags(struct rte_eth_dev *eth_dev)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ struct rte_eth_dev_data *data = eth_dev->data;
+ struct rte_eth_conf *conf = &data->dev_conf;
+ struct rte_eth_rxmode *rxmode = &conf->rxmode;
+ uint16_t flags = 0;
+
+ if (rxmode->mq_mode == ETH_MQ_RX_RSS &&
+ (dev->rx_offloads & DEV_RX_OFFLOAD_RSS_HASH))
+ flags |= NIX_RX_OFFLOAD_RSS_F;
+
+ if (dev->rx_offloads &
+ (DEV_RX_OFFLOAD_TCP_CKSUM | DEV_RX_OFFLOAD_UDP_CKSUM))
+ flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
+
+ if (dev->rx_offloads &
+ (DEV_RX_OFFLOAD_IPV4_CKSUM | DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM))
+ flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
+
+ if (dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER)
+ flags |= NIX_RX_MULTI_SEG_F;
+
+ if (!dev->ptype_disable)
+ flags |= NIX_RX_OFFLOAD_PTYPE_F;
+
+ return flags;
+}
+
+static uint16_t
+nix_tx_offload_flags(struct rte_eth_dev *eth_dev)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ uint64_t conf = dev->tx_offloads;
+ uint16_t flags = 0;
+
+ /* Fastpath is dependent on these enums */
+ RTE_BUILD_BUG_ON(PKT_TX_TCP_CKSUM != (1ULL << 52));
+ RTE_BUILD_BUG_ON(PKT_TX_SCTP_CKSUM != (2ULL << 52));
+ RTE_BUILD_BUG_ON(PKT_TX_UDP_CKSUM != (3ULL << 52));
+ RTE_BUILD_BUG_ON(PKT_TX_IP_CKSUM != (1ULL << 54));
+ RTE_BUILD_BUG_ON(PKT_TX_IPV4 != (1ULL << 55));
+ RTE_BUILD_BUG_ON(PKT_TX_OUTER_IP_CKSUM != (1ULL << 58));
+ RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV4 != (1ULL << 59));
+ RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV6 != (1ULL << 60));
+ RTE_BUILD_BUG_ON(PKT_TX_OUTER_UDP_CKSUM != (1ULL << 41));
+ RTE_BUILD_BUG_ON(RTE_MBUF_L2_LEN_BITS != 7);
+ RTE_BUILD_BUG_ON(RTE_MBUF_L3_LEN_BITS != 9);
+ RTE_BUILD_BUG_ON(RTE_MBUF_OUTL2_LEN_BITS != 7);
+ RTE_BUILD_BUG_ON(RTE_MBUF_OUTL3_LEN_BITS != 9);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) !=
+ offsetof(struct rte_mbuf, buf_iova) + 8);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
+ offsetof(struct rte_mbuf, buf_iova) + 16);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) !=
+ offsetof(struct rte_mbuf, ol_flags) + 12);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, tx_offload) !=
+ offsetof(struct rte_mbuf, pool) + 2 * sizeof(void *));
+
+ if (conf & DEV_TX_OFFLOAD_VLAN_INSERT ||
+ conf & DEV_TX_OFFLOAD_QINQ_INSERT)
+ flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F;
+
+ if (conf & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM ||
+ conf & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
+ flags |= NIX_TX_OFFLOAD_OL3_OL4_CSUM_F;
+
+ if (conf & DEV_TX_OFFLOAD_IPV4_CKSUM ||
+ conf & DEV_TX_OFFLOAD_TCP_CKSUM ||
+ conf & DEV_TX_OFFLOAD_UDP_CKSUM || conf & DEV_TX_OFFLOAD_SCTP_CKSUM)
+ flags |= NIX_TX_OFFLOAD_L3_L4_CSUM_F;
+
+ if (!(conf & DEV_TX_OFFLOAD_MBUF_FAST_FREE))
+ flags |= NIX_TX_OFFLOAD_MBUF_NOFF_F;
+
+ if (conf & DEV_TX_OFFLOAD_MULTI_SEGS)
+ flags |= NIX_TX_MULTI_SEG_F;
+
+ /* Enable Inner checksum for TSO */
+ if (conf & DEV_TX_OFFLOAD_TCP_TSO)
+ flags |= (NIX_TX_OFFLOAD_TSO_F | NIX_TX_OFFLOAD_L3_L4_CSUM_F);
+
+ /* Enable Inner and Outer checksum for Tunnel TSO */
+ if (conf & (DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
+ DEV_TX_OFFLOAD_GENEVE_TNL_TSO | DEV_TX_OFFLOAD_GRE_TNL_TSO))
+ flags |= (NIX_TX_OFFLOAD_TSO_F | NIX_TX_OFFLOAD_OL3_OL4_CSUM_F |
+ NIX_TX_OFFLOAD_L3_L4_CSUM_F);
+
+ return flags;
+}
+
+static int
+cn10k_nix_ptypes_set(struct rte_eth_dev *eth_dev, uint32_t ptype_mask)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+
+ if (ptype_mask) {
+ dev->rx_offload_flags |= NIX_RX_OFFLOAD_PTYPE_F;
+ dev->ptype_disable = 0;
+ } else {
+ dev->rx_offload_flags &= ~NIX_RX_OFFLOAD_PTYPE_F;
+ dev->ptype_disable = 1;
+ }
+
+ cn10k_eth_set_rx_function(eth_dev);
+ return 0;
+}
+
+static void
+nix_form_default_desc(struct cnxk_eth_dev *dev, struct cn10k_eth_txq *txq,
+ uint16_t qid)
+{
+ struct nix_send_ext_s *send_hdr_ext;
+ union nix_send_hdr_w0_u send_hdr_w0;
+ union nix_send_sg_s sg_w0;
+
+ RTE_SET_USED(dev);
+
+ /* Initialize the fields based on basic single segment packet */
+ memset(&txq->cmd, 0, sizeof(txq->cmd));
+ send_hdr_w0.u = 0;
+ sg_w0.u = 0;
+
+ if (dev->tx_offload_flags & NIX_TX_NEED_EXT_HDR) {
+ /* 2(HDR) + 2(EXT_HDR) + 1(SG) + 1(IOVA) = 6/2 - 1 = 2 */
+ send_hdr_w0.sizem1 = 2;
+
+ send_hdr_ext = (struct nix_send_ext_s *)&txq->cmd[0];
+ send_hdr_ext->w0.subdc = NIX_SUBDC_EXT;
+ } else {
+ /* 2(HDR) + 1(SG) + 1(IOVA) = 4/2 - 1 = 1 */
+ send_hdr_w0.sizem1 = 1;
+ }
+
+ send_hdr_w0.sq = qid;
+ sg_w0.subdc = NIX_SUBDC_SG;
+ sg_w0.segs = 1;
+ sg_w0.ld_type = NIX_SENDLDTYPE_LDD;
+
+ txq->send_hdr_w0 = send_hdr_w0.u;
+ txq->sg_w0 = sg_w0.u;
+
+ rte_wmb();
+}
+
+static int
+cn10k_nix_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
+ uint16_t nb_desc, unsigned int socket,
+ const struct rte_eth_txconf *tx_conf)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ struct cn10k_eth_txq *txq;
+ struct roc_nix_sq *sq;
+ int rc;
+
+ RTE_SET_USED(socket);
+
+ /* Common Tx queue setup */
+ rc = cnxk_nix_tx_queue_setup(eth_dev, qid, nb_desc,
+ sizeof(struct cn10k_eth_txq), tx_conf);
+ if (rc)
+ return rc;
+
+ sq = &dev->sqs[qid];
+ /* Update fast path queue */
+ txq = eth_dev->data->tx_queues[qid];
+ txq->fc_mem = sq->fc;
+ /* Store lmt base in tx queue for easy access */
+ txq->lmt_base = dev->nix.lmt_base;
+ txq->io_addr = sq->io_addr;
+ txq->nb_sqb_bufs_adj = sq->nb_sqb_bufs_adj;
+ txq->sqes_per_sqb_log2 = sq->sqes_per_sqb_log2;
+
+ nix_form_default_desc(dev, txq, qid);
+ txq->lso_tun_fmt = dev->lso_tun_fmt;
+ return 0;
+}
static int
cn10k_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
/* Data offset from data to start of mbuf is first_skip */
rxq->data_off = rq->first_skip;
rxq->mbuf_initializer = cnxk_nix_rxq_mbuf_setup(dev);
+
+ /* Lookup mem */
+ rxq->lookup_mem = cnxk_nix_fastpath_lookup_mem_get();
+ return 0;
+}
+
+static int
+cn10k_nix_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qidx)
+{
+ struct cn10k_eth_txq *txq = eth_dev->data->tx_queues[qidx];
+ int rc;
+
+ rc = cnxk_nix_tx_queue_stop(eth_dev, qidx);
+ if (rc)
+ return rc;
+
+ /* Clear fc cache pkts to trigger worker stop */
+ txq->fc_cache_pkts = 0;
return 0;
}
if (rc)
return rc;
+ /* Update offload flags */
+ dev->rx_offload_flags = nix_rx_offload_flags(eth_dev);
+ dev->tx_offload_flags = nix_tx_offload_flags(eth_dev);
+
plt_nix_dbg("Configured port%d platform specific rx_offload_flags=%x"
" tx_offload_flags=0x%x",
eth_dev->data->port_id, dev->rx_offload_flags,
return 0;
}
+static int
+cn10k_nix_dev_start(struct rte_eth_dev *eth_dev)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ int rc;
+
+ /* Common eth dev start */
+ rc = cnxk_nix_dev_start(eth_dev);
+ if (rc)
+ return rc;
+
+ /* Setting up the rx[tx]_offload_flags due to change
+ * in rx[tx]_offloads.
+ */
+ dev->rx_offload_flags |= nix_rx_offload_flags(eth_dev);
+ dev->tx_offload_flags |= nix_tx_offload_flags(eth_dev);
+
+ cn10k_eth_set_tx_function(eth_dev);
+ cn10k_eth_set_rx_function(eth_dev);
+ return 0;
+}
+
/* Update platform specific eth dev ops */
static void
nix_eth_dev_ops_override(void)
/* Update platform specific ops */
cnxk_eth_dev_ops.dev_configure = cn10k_nix_configure;
+ cnxk_eth_dev_ops.tx_queue_setup = cn10k_nix_tx_queue_setup;
cnxk_eth_dev_ops.rx_queue_setup = cn10k_nix_rx_queue_setup;
+ cnxk_eth_dev_ops.tx_queue_stop = cn10k_nix_tx_queue_stop;
+ cnxk_eth_dev_ops.dev_start = cn10k_nix_dev_start;
+ cnxk_eth_dev_ops.dev_ptypes_set = cn10k_nix_ptypes_set;
+}
+
+static void
+npc_flow_ops_override(void)
+{
+ static int init_once;
+
+ if (init_once)
+ return;
+ init_once = 1;
+
+ /* Update platform specific ops */
+ cnxk_flow_ops.create = cn10k_flow_create;
+ cnxk_flow_ops.destroy = cn10k_flow_destroy;
}
static int
}
nix_eth_dev_ops_override();
+ npc_flow_ops_override();
/* Common probe */
rc = cnxk_nix_probe(pci_drv, pci_dev);
eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
if (!eth_dev)
return -ENOENT;
+
+ /* Setup callbacks for secondary process */
+ cn10k_eth_set_tx_function(eth_dev);
+ cn10k_eth_set_rx_function(eth_dev);
}
return 0;
}
git.droids-corp.org / dpdk.git / blobdiff