app/eventdev: add ethernet device setup helpers
[dpdk.git] / drivers / net / mrvl / mrvl_ethdev.c
index 8b3865b..4294c56 100644 (file)
@@ -150,21 +150,18 @@ struct mrvl_txq {
        int queue_id;
        int port_id;
        uint64_t bytes_sent;
+       struct mrvl_shadow_txq shadow_txqs[RTE_MAX_LCORE];
 };
 
-/*
- * Every tx queue should have dedicated shadow tx queue.
- *
- * Ports assigned by DPDK might not start at zero or be continuous so
- * as a workaround define shadow queues for each possible port so that
- * we eventually fit somewhere.
- */
-struct mrvl_shadow_txq shadow_txqs[RTE_MAX_ETHPORTS][RTE_MAX_LCORE];
-
 static int mrvl_lcore_first;
 static int mrvl_lcore_last;
 static int mrvl_dev_num;
 
+static int mrvl_fill_bpool(struct mrvl_rxq *rxq, int num);
+static inline void mrvl_free_sent_buffers(struct pp2_ppio *ppio,
+                       struct pp2_hif *hif, unsigned int core_id,
+                       struct mrvl_shadow_txq *sq, int qid, int force);
+
 static inline int
 mrvl_get_bpool_size(int pp2_id, int pool_id)
 {
@@ -190,6 +187,59 @@ mrvl_reserve_bit(int *bitmap, int max)
        return n;
 }
 
+static int
+mrvl_init_hif(int core_id)
+{
+       struct pp2_hif_params params;
+       char match[MRVL_MATCH_LEN];
+       int ret;
+
+       ret = mrvl_reserve_bit(&used_hifs, MRVL_MUSDK_HIFS_MAX);
+       if (ret < 0) {
+               RTE_LOG(ERR, PMD, "Failed to allocate hif %d\n", core_id);
+               return ret;
+       }
+
+       snprintf(match, sizeof(match), "hif-%d", ret);
+       memset(&params, 0, sizeof(params));
+       params.match = match;
+       params.out_size = MRVL_PP2_AGGR_TXQD_MAX;
+       ret = pp2_hif_init(&params, &hifs[core_id]);
+       if (ret) {
+               RTE_LOG(ERR, PMD, "Failed to initialize hif %d\n", core_id);
+               return ret;
+       }
+
+       return 0;
+}
+
+static inline struct pp2_hif*
+mrvl_get_hif(struct mrvl_priv *priv, int core_id)
+{
+       int ret;
+
+       if (likely(hifs[core_id] != NULL))
+               return hifs[core_id];
+
+       rte_spinlock_lock(&priv->lock);
+
+       ret = mrvl_init_hif(core_id);
+       if (ret < 0) {
+               RTE_LOG(ERR, PMD, "Failed to allocate hif %d\n", core_id);
+               goto out;
+       }
+
+       if (core_id < mrvl_lcore_first)
+               mrvl_lcore_first = core_id;
+
+       if (core_id > mrvl_lcore_last)
+               mrvl_lcore_last = core_id;
+out:
+       rte_spinlock_unlock(&priv->lock);
+
+       return hifs[core_id];
+}
+
 /**
  * Configure rss based on dpdk rss configuration.
  *
@@ -408,19 +458,12 @@ mrvl_dev_start(struct rte_eth_dev *dev)
 {
        struct mrvl_priv *priv = dev->data->dev_private;
        char match[MRVL_MATCH_LEN];
-       int ret;
+       int ret = 0, def_init_size;
 
        snprintf(match, sizeof(match), "ppio-%d:%d",
                 priv->pp_id, priv->ppio_id);
        priv->ppio_params.match = match;
 
-       /*
-        * Calculate the maximum bpool size for refill feature to 1.5 of the
-        * configured size. In case the bpool size will exceed this value,
-        * superfluous buffers will be removed
-        */
-       priv->bpool_max_size = priv->bpool_init_size +
-                             (priv->bpool_init_size >> 1);
        /*
         * Calculate the minimum bpool size for refill feature as follows:
         * 2 default burst sizes multiply by number of rx queues.
@@ -429,6 +472,29 @@ mrvl_dev_start(struct rte_eth_dev *dev)
         */
        priv->bpool_min_size = priv->nb_rx_queues * MRVL_BURST_SIZE * 2;
 
+       /* In case initial bpool size configured in queues setup is
+        * smaller than minimum size add more buffers
+        */
+       def_init_size = priv->bpool_min_size + MRVL_BURST_SIZE * 2;
+       if (priv->bpool_init_size < def_init_size) {
+               int buffs_to_add = def_init_size - priv->bpool_init_size;
+
+               priv->bpool_init_size += buffs_to_add;
+               ret = mrvl_fill_bpool(dev->data->rx_queues[0], buffs_to_add);
+               if (ret)
+                       RTE_LOG(ERR, PMD, "Failed to add buffers to bpool\n");
+       }
+
+       /*
+        * Calculate the maximum bpool size for refill feature as follows:
+        * maximum number of descriptors in rx queue multiply by number
+        * of rx queues plus minimum bpool size.
+        * In case the bpool size will exceed this value, superfluous buffers
+        * will be removed
+        */
+       priv->bpool_max_size = (priv->nb_rx_queues * MRVL_PP2_RXD_MAX) +
+                               priv->bpool_min_size;
+
        ret = pp2_ppio_init(&priv->ppio_params, &priv->ppio);
        if (ret) {
                RTE_LOG(ERR, PMD, "Failed to init ppio\n");
@@ -523,21 +589,32 @@ mrvl_flush_rx_queues(struct rte_eth_dev *dev)
 static void
 mrvl_flush_tx_shadow_queues(struct rte_eth_dev *dev)
 {
-       int i;
+       int i, j;
+       struct mrvl_txq *txq;
 
        RTE_LOG(INFO, PMD, "Flushing tx shadow queues\n");
-       for (i = 0; i < RTE_MAX_LCORE; i++) {
-               struct mrvl_shadow_txq *sq =
-                       &shadow_txqs[dev->data->port_id][i];
+       for (i = 0; i < dev->data->nb_tx_queues; i++) {
+               txq = (struct mrvl_txq *)dev->data->tx_queues[i];
+
+               for (j = 0; j < RTE_MAX_LCORE; j++) {
+                       struct mrvl_shadow_txq *sq;
 
-               while (sq->tail != sq->head) {
-                       uint64_t addr = cookie_addr_high |
+                       if (!hifs[j])
+                               continue;
+
+                       sq = &txq->shadow_txqs[j];
+                       mrvl_free_sent_buffers(txq->priv->ppio,
+                               hifs[j], j, sq, txq->queue_id, 1);
+                       while (sq->tail != sq->head) {
+                               uint64_t addr = cookie_addr_high |
                                        sq->ent[sq->tail].buff.cookie;
-                       rte_pktmbuf_free((struct rte_mbuf *)addr);
-                       sq->tail = (sq->tail + 1) & MRVL_PP2_TX_SHADOWQ_MASK;
+                               rte_pktmbuf_free(
+                                       (struct rte_mbuf *)addr);
+                               sq->tail = (sq->tail + 1) &
+                                           MRVL_PP2_TX_SHADOWQ_MASK;
+                       }
+                       memset(sq, 0, sizeof(*sq));
                }
-
-               memset(sq, 0, sizeof(*sq));
        }
 }
 
@@ -551,8 +628,15 @@ static void
 mrvl_flush_bpool(struct rte_eth_dev *dev)
 {
        struct mrvl_priv *priv = dev->data->dev_private;
+       struct pp2_hif *hif;
        uint32_t num;
        int ret;
+       unsigned int core_id = rte_lcore_id();
+
+       if (core_id == LCORE_ID_ANY)
+               core_id = 0;
+
+       hif = mrvl_get_hif(priv, core_id);
 
        ret = pp2_bpool_get_num_buffs(priv->bpool, &num);
        if (ret) {
@@ -564,8 +648,7 @@ mrvl_flush_bpool(struct rte_eth_dev *dev)
                struct pp2_buff_inf inf;
                uint64_t addr;
 
-               ret = pp2_bpool_get_buff(hifs[rte_lcore_id()], priv->bpool,
-                                        &inf);
+               ret = pp2_bpool_get_buff(hif, priv->bpool, &inf);
                if (ret)
                        break;
 
@@ -1173,9 +1256,19 @@ mrvl_fill_bpool(struct mrvl_rxq *rxq, int num)
        struct buff_release_entry entries[MRVL_PP2_TXD_MAX];
        struct rte_mbuf *mbufs[MRVL_PP2_TXD_MAX];
        int i, ret;
-       unsigned int core_id = rte_lcore_id();
-       struct pp2_hif *hif = hifs[core_id];
-       struct pp2_bpool *bpool = rxq->priv->bpool;
+       unsigned int core_id;
+       struct pp2_hif *hif;
+       struct pp2_bpool *bpool;
+
+       core_id = rte_lcore_id();
+       if (core_id == LCORE_ID_ANY)
+               core_id = 0;
+
+       hif = mrvl_get_hif(rxq->priv, core_id);
+       if (!hif)
+               return -1;
+
+       bpool = rxq->priv->bpool;
 
        ret = rte_pktmbuf_alloc_bulk(rxq->mp, mbufs, num);
        if (ret)
@@ -1311,8 +1404,15 @@ mrvl_rx_queue_release(void *rxq)
        struct mrvl_rxq *q = rxq;
        struct pp2_ppio_tc_params *tc_params;
        int i, num, tc, inq;
+       struct pp2_hif *hif;
+       unsigned int core_id = rte_lcore_id();
 
-       if (!q)
+       if (core_id == LCORE_ID_ANY)
+               core_id = 0;
+
+       hif = mrvl_get_hif(q->priv, core_id);
+
+       if (!q || !hif)
                return;
 
        tc = q->priv->rxq_map[q->queue_id].tc;
@@ -1323,7 +1423,7 @@ mrvl_rx_queue_release(void *rxq)
                struct pp2_buff_inf inf;
                uint64_t addr;
 
-               pp2_bpool_get_buff(hifs[rte_lcore_id()], q->priv->bpool, &inf);
+               pp2_bpool_get_buff(hif, q->priv->bpool, &inf);
                addr = cookie_addr_high | inf.cookie;
                rte_pktmbuf_free((struct rte_mbuf *)addr);
        }
@@ -1599,9 +1699,12 @@ mrvl_rx_pkt_burst(void *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
        struct pp2_bpool *bpool;
        int i, ret, rx_done = 0;
        int num;
+       struct pp2_hif *hif;
        unsigned int core_id = rte_lcore_id();
 
-       if (unlikely(!q->priv->ppio))
+       hif = mrvl_get_hif(q->priv, core_id);
+
+       if (unlikely(!q->priv->ppio || !hif))
                return 0;
 
        bpool = q->priv->bpool;
@@ -1644,7 +1747,7 @@ mrvl_rx_pkt_burst(void *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
                                .cookie = (pp2_cookie_t)(uint64_t)mbuf,
                        };
 
-                       pp2_bpool_put_buff(hifs[core_id], bpool, &binf);
+                       pp2_bpool_put_buff(hif, bpool, &binf);
                        mrvl_port_bpool_size
                                [bpool->pp2_id][bpool->id][core_id]++;
                        q->drop_mac++;
@@ -1690,14 +1793,15 @@ mrvl_rx_pkt_burst(void *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
                                q->priv->bpool_init_size);
 
                        for (i = 0; i < pkt_to_remove; i++) {
-                               pp2_bpool_get_buff(hifs[core_id], bpool, &buff);
+                               ret = pp2_bpool_get_buff(hif, bpool, &buff);
+                               if (ret)
+                                       break;
                                mbuf = (struct rte_mbuf *)
                                        (cookie_addr_high | buff.cookie);
                                rte_pktmbuf_free(mbuf);
                        }
                        mrvl_port_bpool_size
-                               [bpool->pp2_id][bpool->id][core_id] -=
-                                                               pkt_to_remove;
+                               [bpool->pp2_id][bpool->id][core_id] -= i;
                }
                rte_spinlock_unlock(&q->priv->lock);
        }
@@ -1782,11 +1886,12 @@ mrvl_prepare_proto_info(uint64_t ol_flags, uint32_t packet_type,
  */
 static inline void
 mrvl_free_sent_buffers(struct pp2_ppio *ppio, struct pp2_hif *hif,
-                      struct mrvl_shadow_txq *sq, int qid, int force)
+                      unsigned int core_id, struct mrvl_shadow_txq *sq,
+                      int qid, int force)
 {
        struct buff_release_entry *entry;
        uint16_t nb_done = 0, num = 0, skip_bufs = 0;
-       int i, core_id = rte_lcore_id();
+       int i;
 
        pp2_ppio_get_num_outq_done(ppio, hif, qid, &nb_done);
 
@@ -1833,6 +1938,7 @@ skip:
                sq->tail = (sq->tail + num) & MRVL_PP2_TX_SHADOWQ_MASK;
                sq->size -= num;
                num = 0;
+               skip_bufs = 0;
        }
 
        if (likely(num)) {
@@ -1859,18 +1965,23 @@ static uint16_t
 mrvl_tx_pkt_burst(void *txq, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 {
        struct mrvl_txq *q = txq;
-       struct mrvl_shadow_txq *sq = &shadow_txqs[q->port_id][rte_lcore_id()];
-       struct pp2_hif *hif = hifs[rte_lcore_id()];
+       struct mrvl_shadow_txq *sq;
+       struct pp2_hif *hif;
        struct pp2_ppio_desc descs[nb_pkts];
+       unsigned int core_id = rte_lcore_id();
        int i, ret, bytes_sent = 0;
        uint16_t num, sq_free_size;
        uint64_t addr;
 
-       if (unlikely(!q->priv->ppio))
+       hif = mrvl_get_hif(q->priv, core_id);
+       sq = &q->shadow_txqs[core_id];
+
+       if (unlikely(!q->priv->ppio || !hif))
                return 0;
 
        if (sq->size)
-               mrvl_free_sent_buffers(q->priv->ppio, hif, sq, q->queue_id, 0);
+               mrvl_free_sent_buffers(q->priv->ppio, hif, core_id,
+                                      sq, q->queue_id, 0);
 
        sq_free_size = MRVL_PP2_TX_SHADOWQ_SIZE - sq->size - 1;
        if (unlikely(nb_pkts > sq_free_size)) {
@@ -2141,38 +2252,6 @@ mrvl_get_ifnames(const char *key __rte_unused, const char *value,
        return 0;
 }
 
-/**
- * Initialize per-lcore MUSDK hardware interfaces (hifs).
- *
- * @return
- *   0 on success, negative error value otherwise.
- */
-static int
-mrvl_init_hifs(void)
-{
-       struct pp2_hif_params params;
-       char match[MRVL_MATCH_LEN];
-       int i, ret;
-
-       RTE_LCORE_FOREACH(i) {
-               ret = mrvl_reserve_bit(&used_hifs, MRVL_MUSDK_HIFS_MAX);
-               if (ret < 0)
-                       return ret;
-
-               snprintf(match, sizeof(match), "hif-%d", ret);
-               memset(&params, 0, sizeof(params));
-               params.match = match;
-               params.out_size = MRVL_PP2_AGGR_TXQD_MAX;
-               ret = pp2_hif_init(&params, &hifs[i]);
-               if (ret) {
-                       RTE_LOG(ERR, PMD, "Failed to initialize hif %d\n", i);
-                       return ret;
-               }
-       }
-
-       return 0;
-}
-
 /**
  * Deinitialize per-lcore MUSDK hardware interfaces (hifs).
  */
@@ -2181,7 +2260,7 @@ mrvl_deinit_hifs(void)
 {
        int i;
 
-       RTE_LCORE_FOREACH(i) {
+       for (i = mrvl_lcore_first; i <= mrvl_lcore_last; i++) {
                if (hifs[i])
                        pp2_hif_deinit(hifs[i]);
        }
@@ -2189,15 +2268,6 @@ mrvl_deinit_hifs(void)
        memset(hifs, 0, sizeof(hifs));
 }
 
-static void mrvl_set_first_last_cores(int core_id)
-{
-       if (core_id < mrvl_lcore_first)
-               mrvl_lcore_first = core_id;
-
-       if (core_id > mrvl_lcore_last)
-               mrvl_lcore_last = core_id;
-}
-
 /**
  * DPDK callback to register the virtual device.
  *
@@ -2213,7 +2283,7 @@ rte_pmd_mrvl_probe(struct rte_vdev_device *vdev)
        struct rte_kvargs *kvlist;
        struct mrvl_ifnames ifnames;
        int ret = -EINVAL;
-       uint32_t i, ifnum, cfgnum, core_id;
+       uint32_t i, ifnum, cfgnum;
        const char *params;
 
        params = rte_vdev_device_args(vdev);
@@ -2272,9 +2342,10 @@ rte_pmd_mrvl_probe(struct rte_vdev_device *vdev)
                goto out_deinit_dma;
        }
 
-       ret = mrvl_init_hifs();
-       if (ret)
-               goto out_deinit_hifs;
+       memset(mrvl_port_bpool_size, 0, sizeof(mrvl_port_bpool_size));
+
+       mrvl_lcore_first = RTE_MAX_LCORE;
+       mrvl_lcore_last = 0;
 
 init_devices:
        for (i = 0; i < ifnum; i++) {
@@ -2287,24 +2358,13 @@ init_devices:
 
        rte_kvargs_free(kvlist);
 
-       memset(mrvl_port_bpool_size, 0, sizeof(mrvl_port_bpool_size));
-
-       mrvl_lcore_first = RTE_MAX_LCORE;
-       mrvl_lcore_last = 0;
-
-       RTE_LCORE_FOREACH(core_id) {
-               mrvl_set_first_last_cores(core_id);
-       }
-
        return 0;
 out_cleanup:
        for (; i > 0; i--)
                mrvl_eth_dev_destroy(ifnames.names[i]);
-out_deinit_hifs:
-       if (mrvl_dev_num == 0) {
-               mrvl_deinit_hifs();
+
+       if (mrvl_dev_num == 0)
                mrvl_deinit_pp2();
-       }
 out_deinit_dma:
        if (mrvl_dev_num == 0)
                mv_sys_dma_mem_destroy();