net/bnxt: add initial Tx code
[dpdk.git] / drivers / net / bnxt / bnxt_ethdev.c
index 32ed081..4ace543 100644 (file)
 
 #include "bnxt.h"
 #include "bnxt_hwrm.h"
+#include "bnxt_rxq.h"
+#include "bnxt_stats.h"
+#include "bnxt_txq.h"
+#include "bnxt_txr.h"
 
 #define DRV_MODULE_NAME                "bnxt"
 static const char bnxt_version[] =
@@ -60,12 +64,137 @@ static void bnxt_dev_close_op(struct rte_eth_dev *eth_dev)
        bnxt_free_hwrm_resources(bp);
 }
 
+/*
+ * Device configuration and status function
+ */
+
+static void bnxt_dev_info_get_op(struct rte_eth_dev *eth_dev,
+                                 struct rte_eth_dev_info *dev_info)
+{
+       struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
+       uint16_t max_vnics, i, j, vpool, vrxq;
+
+       /* MAC Specifics */
+       dev_info->max_mac_addrs = MAX_NUM_MAC_ADDR;
+       dev_info->max_hash_mac_addrs = 0;
+
+       /* PF/VF specifics */
+       if (BNXT_PF(bp)) {
+               dev_info->max_rx_queues = bp->pf.max_rx_rings;
+               dev_info->max_tx_queues = bp->pf.max_tx_rings;
+               dev_info->max_vfs = bp->pf.active_vfs;
+               dev_info->reta_size = bp->pf.max_rsscos_ctx;
+               max_vnics = bp->pf.max_vnics;
+       } else {
+               dev_info->max_rx_queues = bp->vf.max_rx_rings;
+               dev_info->max_tx_queues = bp->vf.max_tx_rings;
+               dev_info->reta_size = bp->vf.max_rsscos_ctx;
+               max_vnics = bp->vf.max_vnics;
+       }
+
+       /* Fast path specifics */
+       dev_info->min_rx_bufsize = 1;
+       dev_info->max_rx_pktlen = BNXT_MAX_MTU + ETHER_HDR_LEN + ETHER_CRC_LEN
+                                 + VLAN_TAG_SIZE;
+       dev_info->rx_offload_capa = 0;
+       dev_info->tx_offload_capa = DEV_TX_OFFLOAD_IPV4_CKSUM |
+                                       DEV_TX_OFFLOAD_TCP_CKSUM |
+                                       DEV_TX_OFFLOAD_UDP_CKSUM |
+                                       DEV_TX_OFFLOAD_TCP_TSO;
+
+       /* *INDENT-OFF* */
+       dev_info->default_rxconf = (struct rte_eth_rxconf) {
+               .rx_thresh = {
+                       .pthresh = 8,
+                       .hthresh = 8,
+                       .wthresh = 0,
+               },
+               .rx_free_thresh = 32,
+               .rx_drop_en = 0,
+       };
+
+       dev_info->default_txconf = (struct rte_eth_txconf) {
+               .tx_thresh = {
+                       .pthresh = 32,
+                       .hthresh = 0,
+                       .wthresh = 0,
+               },
+               .tx_free_thresh = 32,
+               .tx_rs_thresh = 32,
+               .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
+                            ETH_TXQ_FLAGS_NOOFFLOADS,
+       };
+       /* *INDENT-ON* */
+
+       /*
+        * TODO: default_rxconf, default_txconf, rx_desc_lim, and tx_desc_lim
+        *       need further investigation.
+        */
+
+       /* VMDq resources */
+       vpool = 64; /* ETH_64_POOLS */
+       vrxq = 128; /* ETH_VMDQ_DCB_NUM_QUEUES */
+       for (i = 0; i < 4; vpool >>= 1, i++) {
+               if (max_vnics > vpool) {
+                       for (j = 0; j < 5; vrxq >>= 1, j++) {
+                               if (dev_info->max_rx_queues > vrxq) {
+                                       if (vpool > vrxq)
+                                               vpool = vrxq;
+                                       goto found;
+                               }
+                       }
+                       /* Not enough resources to support VMDq */
+                       break;
+               }
+       }
+       /* Not enough resources to support VMDq */
+       vpool = 0;
+       vrxq = 0;
+found:
+       dev_info->max_vmdq_pools = vpool;
+       dev_info->vmdq_queue_num = vrxq;
+
+       dev_info->vmdq_pool_base = 0;
+       dev_info->vmdq_queue_base = 0;
+}
+
+/* Configure the device based on the configuration provided */
+static int bnxt_dev_configure_op(struct rte_eth_dev *eth_dev)
+{
+       struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
+       int rc;
+
+       bp->rx_queues = (void *)eth_dev->data->rx_queues;
+       bp->tx_queues = (void *)eth_dev->data->tx_queues;
+
+       /* Inherit new configurations */
+       bp->rx_nr_rings = eth_dev->data->nb_rx_queues;
+       bp->tx_nr_rings = eth_dev->data->nb_tx_queues;
+       bp->rx_cp_nr_rings = bp->rx_nr_rings;
+       bp->tx_cp_nr_rings = bp->tx_nr_rings;
+
+       if (eth_dev->data->dev_conf.rxmode.jumbo_frame)
+               eth_dev->data->mtu =
+                               eth_dev->data->dev_conf.rxmode.max_rx_pkt_len -
+                               ETHER_HDR_LEN - ETHER_CRC_LEN - VLAN_TAG_SIZE;
+       rc = bnxt_set_hwrm_link_config(bp, true);
+       return rc;
+}
+
 /*
  * Initialization
  */
 
 static struct eth_dev_ops bnxt_dev_ops = {
+       .dev_infos_get = bnxt_dev_info_get_op,
        .dev_close = bnxt_dev_close_op,
+       .dev_configure = bnxt_dev_configure_op,
+       .stats_get = bnxt_stats_get_op,
+       .stats_reset = bnxt_stats_reset_op,
+       .rx_queue_setup = bnxt_rx_queue_setup_op,
+       .rx_queue_release = bnxt_rx_queue_release_op,
+       .tx_queue_setup = bnxt_tx_queue_setup_op,
+       .tx_queue_release = bnxt_tx_queue_release_op,
 };
 
 static bool bnxt_vf_pciid(uint16_t id)
@@ -141,7 +270,7 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev)
        }
        eth_dev->dev_ops = &bnxt_dev_ops;
        /* eth_dev->rx_pkt_burst = &bnxt_recv_pkts; */
-       /* eth_dev->tx_pkt_burst = &bnxt_xmit_pkts; */
+       eth_dev->tx_pkt_burst = &bnxt_xmit_pkts;
 
        rc = bnxt_alloc_hwrm_resources(bp);
        if (rc) {
@@ -176,17 +305,38 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev)
                memcpy(bp->mac_addr, bp->vf.mac_addr, sizeof(bp->mac_addr));
        memcpy(&eth_dev->data->mac_addrs[0], bp->mac_addr, ETHER_ADDR_LEN);
 
-       return -EPERM;
+       rc = bnxt_hwrm_func_driver_register(bp, 0,
+                                           bp->pf.vf_req_fwd);
+       if (rc) {
+               RTE_LOG(ERR, PMD,
+                       "Failed to register driver");
+               rc = -EBUSY;
+               goto error_free;
+       }
+
+       RTE_LOG(INFO, PMD,
+               DRV_MODULE_NAME " found at mem %" PRIx64 ", node addr %pM\n",
+               eth_dev->pci_dev->mem_resource[0].phys_addr,
+               eth_dev->pci_dev->mem_resource[0].addr);
+
+       return 0;
 
 error_free:
-       bnxt_dev_close_op(eth_dev);
+       eth_dev->driver->eth_dev_uninit(eth_dev);
 error:
        return rc;
 }
 
 static int
-bnxt_dev_uninit(struct rte_eth_dev *eth_dev __rte_unused) {
-       return 0;
+bnxt_dev_uninit(struct rte_eth_dev *eth_dev) {
+       struct bnxt *bp = eth_dev->data->dev_private;
+       int rc;
+
+       if (eth_dev->data->mac_addrs)
+               rte_free(eth_dev->data->mac_addrs);
+       rc = bnxt_hwrm_func_driver_unregister(bp, 0);
+       bnxt_free_hwrm_resources(bp);
+       return rc;
 }
 
 static struct eth_driver bnxt_rte_pmd = {