mbuf: add rte prefix to offload flags
[dpdk.git] / drivers / net / cnxk / cn10k_ethdev.c
index f79d03c..784a979 100644 (file)
@@ -2,9 +2,108 @@
  * 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->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP))
+               flags |= NIX_RX_OFFLOAD_TSTAMP_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(RTE_MBUF_F_TX_TCP_CKSUM != (1ULL << 52));
+       RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_SCTP_CKSUM != (2ULL << 52));
+       RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_UDP_CKSUM != (3ULL << 52));
+       RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_IP_CKSUM != (1ULL << 54));
+       RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_IPV4 != (1ULL << 55));
+       RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_OUTER_IP_CKSUM != (1ULL << 58));
+       RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_OUTER_IPV4 != (1ULL << 59));
+       RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_OUTER_IPV6 != (1ULL << 60));
+       RTE_BUILD_BUG_ON(RTE_MBUF_F_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);
+
+       if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP))
+               flags |= NIX_TX_OFFLOAD_TSTAMP_F;
+
+       return flags;
+}
+
 static int
 cn10k_nix_ptypes_set(struct rte_eth_dev *eth_dev, uint32_t ptype_mask)
 {
@@ -18,6 +117,7 @@ cn10k_nix_ptypes_set(struct rte_eth_dev *eth_dev, uint32_t ptype_mask)
                dev->ptype_disable = 1;
        }
 
+       cn10k_eth_set_rx_function(eth_dev);
        return 0;
 }
 
@@ -27,6 +127,7 @@ nix_form_default_desc(struct cnxk_eth_dev *dev, struct cn10k_eth_txq *txq,
 {
        struct nix_send_ext_s *send_hdr_ext;
        union nix_send_hdr_w0_u send_hdr_w0;
+       struct nix_send_mem_s *send_mem;
        union nix_send_sg_s sg_w0;
 
        RTE_SET_USED(dev);
@@ -42,6 +143,22 @@ nix_form_default_desc(struct cnxk_eth_dev *dev, struct cn10k_eth_txq *txq,
 
                send_hdr_ext = (struct nix_send_ext_s *)&txq->cmd[0];
                send_hdr_ext->w0.subdc = NIX_SUBDC_EXT;
+               if (dev->tx_offload_flags & NIX_TX_OFFLOAD_TSTAMP_F) {
+                       /* Default: one seg packet would have:
+                        * 2(HDR) + 2(EXT) + 1(SG) + 1(IOVA) + 2(MEM)
+                        * => 8/2 - 1 = 3
+                        */
+                       send_hdr_w0.sizem1 = 3;
+                       send_hdr_ext->w0.tstmp = 1;
+
+                       /* To calculate the offset for send_mem,
+                        * send_hdr->w0.sizem1 * 2
+                        */
+                       send_mem = (struct nix_send_mem_s *)(txq->cmd + 2);
+                       send_mem->w0.subdc = NIX_SUBDC_MEM;
+                       send_mem->w0.alg = NIX_SENDMEMALG_SETTSTMP;
+                       send_mem->addr = dev->tstamp.tx_tstamp_iova;
+               }
        } else {
                /* 2(HDR) + 1(SG) + 1(IOVA) = 4/2 - 1 = 1 */
                send_hdr_w0.sizem1 = 1;
@@ -127,6 +244,7 @@ cn10k_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
        rxq->wdata = cq->wdata;
        rxq->head = cq->head;
        rxq->qmask = cq->qmask;
+       rxq->tstamp = &dev->tstamp;
 
        /* Data offset from data to start of mbuf is first_skip */
        rxq->data_off = rq->first_skip;
@@ -137,6 +255,21 @@ cn10k_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
        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;
+}
+
 static int
 cn10k_nix_configure(struct rte_eth_dev *eth_dev)
 {
@@ -148,6 +281,10 @@ cn10k_nix_configure(struct rte_eth_dev *eth_dev)
        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,
@@ -155,6 +292,152 @@ cn10k_nix_configure(struct rte_eth_dev *eth_dev)
        return 0;
 }
 
+/* Function to enable ptp config for VFs */
+static void
+nix_ptp_enable_vf(struct rte_eth_dev *eth_dev)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+
+       if (nix_recalc_mtu(eth_dev))
+               plt_err("Failed to set MTU size for ptp");
+
+       dev->rx_offload_flags |= NIX_RX_OFFLOAD_TSTAMP_F;
+
+       /* Setting up the function pointers as per new offload flags */
+       cn10k_eth_set_rx_function(eth_dev);
+       cn10k_eth_set_tx_function(eth_dev);
+}
+
+static uint16_t
+nix_ptp_vf_burst(void *queue, struct rte_mbuf **mbufs, uint16_t pkts)
+{
+       struct cn10k_eth_rxq *rxq = queue;
+       struct cnxk_eth_rxq_sp *rxq_sp;
+       struct rte_eth_dev *eth_dev;
+
+       RTE_SET_USED(mbufs);
+       RTE_SET_USED(pkts);
+
+       rxq_sp = cnxk_eth_rxq_to_sp(rxq);
+       eth_dev = rxq_sp->dev->eth_dev;
+       nix_ptp_enable_vf(eth_dev);
+
+       return 0;
+}
+
+static int
+cn10k_nix_ptp_info_update_cb(struct roc_nix *nix, bool ptp_en)
+{
+       struct cnxk_eth_dev *dev = (struct cnxk_eth_dev *)nix;
+       struct rte_eth_dev *eth_dev;
+       struct cn10k_eth_rxq *rxq;
+       int i;
+
+       if (!dev)
+               return -EINVAL;
+
+       eth_dev = dev->eth_dev;
+       if (!eth_dev)
+               return -EINVAL;
+
+       dev->ptp_en = ptp_en;
+
+       for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
+               rxq = eth_dev->data->rx_queues[i];
+               rxq->mbuf_initializer = cnxk_nix_rxq_mbuf_setup(dev);
+       }
+
+       if (roc_nix_is_vf_or_sdp(nix) && !(roc_nix_is_sdp(nix)) &&
+           !(roc_nix_is_lbk(nix))) {
+               /* In case of VF, setting of MTU cannot be done directly in this
+                * function as this is running as part of MBOX request(PF->VF)
+                * and MTU setting also requires MBOX message to be
+                * sent(VF->PF)
+                */
+               eth_dev->rx_pkt_burst = nix_ptp_vf_burst;
+               rte_mb();
+       }
+
+       return 0;
+}
+
+static int
+cn10k_nix_timesync_enable(struct rte_eth_dev *eth_dev)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       int i, rc;
+
+       rc = cnxk_nix_timesync_enable(eth_dev);
+       if (rc)
+               return rc;
+
+       dev->rx_offload_flags |= NIX_RX_OFFLOAD_TSTAMP_F;
+       dev->tx_offload_flags |= NIX_TX_OFFLOAD_TSTAMP_F;
+
+       for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
+               nix_form_default_desc(dev, eth_dev->data->tx_queues[i], i);
+
+       /* Setting up the rx[tx]_offload_flags due to change
+        * in rx[tx]_offloads.
+        */
+       cn10k_eth_set_rx_function(eth_dev);
+       cn10k_eth_set_tx_function(eth_dev);
+       return 0;
+}
+
+static int
+cn10k_nix_timesync_disable(struct rte_eth_dev *eth_dev)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       int i, rc;
+
+       rc = cnxk_nix_timesync_disable(eth_dev);
+       if (rc)
+               return rc;
+
+       dev->rx_offload_flags &= ~NIX_RX_OFFLOAD_TSTAMP_F;
+       dev->tx_offload_flags &= ~NIX_TX_OFFLOAD_TSTAMP_F;
+
+       for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
+               nix_form_default_desc(dev, eth_dev->data->tx_queues[i], i);
+
+       /* Setting up the rx[tx]_offload_flags due to change
+        * in rx[tx]_offloads.
+        */
+       cn10k_eth_set_rx_function(eth_dev);
+       cn10k_eth_set_tx_function(eth_dev);
+       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);
+       struct roc_nix *nix = &dev->nix;
+       int rc;
+
+       /* Common eth dev start */
+       rc = cnxk_nix_dev_start(eth_dev);
+       if (rc)
+               return rc;
+
+       /* Update VF about data off shifted by 8 bytes if PTP already
+        * enabled in PF owning this VF
+        */
+       if (dev->ptp_en && (!roc_nix_is_pf(nix) && (!roc_nix_is_sdp(nix))))
+               nix_ptp_enable_vf(eth_dev);
+
+       /* 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)
@@ -169,7 +452,25 @@ nix_eth_dev_ops_override(void)
        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;
+       cnxk_eth_dev_ops.timesync_enable = cn10k_nix_timesync_enable;
+       cnxk_eth_dev_ops.timesync_disable = cn10k_nix_timesync_disable;
+}
+
+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
@@ -182,6 +483,7 @@ static int
 cn10k_nix_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 {
        struct rte_eth_dev *eth_dev;
+       struct cnxk_eth_dev *dev;
        int rc;
 
        if (RTE_CACHE_LINE_SIZE != 64) {
@@ -196,17 +498,30 @@ cn10k_nix_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
        }
 
        nix_eth_dev_ops_override();
+       npc_flow_ops_override();
 
        /* Common probe */
        rc = cnxk_nix_probe(pci_drv, pci_dev);
        if (rc)
                return rc;
 
+       /* Find eth dev allocated */
+       eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
+       if (!eth_dev)
+               return -ENOENT;
+
        if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
-               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;
        }
+
+       dev = cnxk_eth_pmd_priv(eth_dev);
+
+       /* Register up msg callbacks for PTP information */
+       roc_nix_ptp_info_cb_register(&dev->nix, cn10k_nix_ptp_info_update_cb);
+
        return 0;
 }