diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index bdfb13b71998..640967a4d50d 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -203,8 +203,7 @@ static struct sk_buff *build_frag_skb(struct dpaa2_eth_priv *priv, static void dpaa2_eth_rx(struct dpaa2_eth_priv *priv, struct dpaa2_eth_channel *ch, const struct dpaa2_fd *fd, - struct napi_struct *napi, - u16 queue_id) + struct dpaa2_eth_fq *fq) { dma_addr_t addr = dpaa2_fd_get_addr(fd); u8 fd_format = dpaa2_fd_get_format(fd); @@ -267,12 +266,12 @@ static void dpaa2_eth_rx(struct dpaa2_eth_priv *priv, } skb->protocol = eth_type_trans(skb, priv->net_dev); - skb_record_rx_queue(skb, queue_id); + skb_record_rx_queue(skb, fq->flowid); percpu_stats->rx_packets++; percpu_stats->rx_bytes += dpaa2_fd_get_len(fd); - napi_gro_receive(napi, skb); + napi_gro_receive(&ch->napi, skb); return; @@ -289,7 +288,7 @@ err_frame_format: * Observance of NAPI budget is not our concern, leaving that to the caller. */ static int consume_frames(struct dpaa2_eth_channel *ch, - enum dpaa2_eth_fq_type *type) + struct dpaa2_eth_fq **src) { struct dpaa2_eth_priv *priv = ch->priv; struct dpaa2_eth_fq *fq = NULL; @@ -312,7 +311,7 @@ static int consume_frames(struct dpaa2_eth_channel *ch, fd = dpaa2_dq_fd(dq); fq = (struct dpaa2_eth_fq *)(uintptr_t)dpaa2_dq_fqd_ctx(dq); - fq->consume(priv, ch, fd, &ch->napi, fq->flowid); + fq->consume(priv, ch, fd, fq); cleaned++; } while (!is_last); @@ -323,10 +322,10 @@ static int consume_frames(struct dpaa2_eth_channel *ch, ch->stats.frames += cleaned; /* A dequeue operation only pulls frames from a single queue - * into the store. Return the frame queue type as an out param. + * into the store. Return the frame queue as an out param. */ - if (type) - *type = fq->type; + if (src) + *src = fq; return cleaned; } @@ -571,8 +570,10 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev) struct rtnl_link_stats64 *percpu_stats; struct dpaa2_eth_drv_stats *percpu_extras; struct dpaa2_eth_fq *fq; + struct netdev_queue *nq; u16 queue_mapping; unsigned int needed_headroom; + u32 fd_len; int err, i; percpu_stats = this_cpu_ptr(priv->percpu_stats); @@ -644,8 +645,12 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev) /* Clean up everything, including freeing the skb */ free_tx_fd(priv, &fd); } else { + fd_len = dpaa2_fd_get_len(&fd); percpu_stats->tx_packets++; - percpu_stats->tx_bytes += dpaa2_fd_get_len(&fd); + percpu_stats->tx_bytes += fd_len; + + nq = netdev_get_tx_queue(net_dev, queue_mapping); + netdev_tx_sent_queue(nq, fd_len); } return NETDEV_TX_OK; @@ -661,11 +666,11 @@ err_alloc_headroom: static void dpaa2_eth_tx_conf(struct dpaa2_eth_priv *priv, struct dpaa2_eth_channel *ch __always_unused, const struct dpaa2_fd *fd, - struct napi_struct *napi __always_unused, - u16 queue_id __always_unused) + struct dpaa2_eth_fq *fq) { struct rtnl_link_stats64 *percpu_stats; struct dpaa2_eth_drv_stats *percpu_extras; + u32 fd_len = dpaa2_fd_get_len(fd); u32 fd_errors; /* Tracing point */ @@ -673,7 +678,10 @@ static void dpaa2_eth_tx_conf(struct dpaa2_eth_priv *priv, percpu_extras = this_cpu_ptr(priv->percpu_extras); percpu_extras->tx_conf_frames++; - percpu_extras->tx_conf_bytes += dpaa2_fd_get_len(fd); + percpu_extras->tx_conf_bytes += fd_len; + + fq->dq_frames++; + fq->dq_bytes += fd_len; /* Check frame errors in the FD field */ fd_errors = dpaa2_fd_get_ctrl(fd) & DPAA2_FD_TX_ERR_MASK; @@ -934,8 +942,9 @@ static int dpaa2_eth_poll(struct napi_struct *napi, int budget) struct dpaa2_eth_channel *ch; struct dpaa2_eth_priv *priv; int rx_cleaned = 0, txconf_cleaned = 0; - enum dpaa2_eth_fq_type type = 0; - int store_cleaned; + struct dpaa2_eth_fq *fq, *txc_fq = NULL; + struct netdev_queue *nq; + int store_cleaned, work_done; int err; ch = container_of(napi, struct dpaa2_eth_channel, napi); @@ -949,18 +958,25 @@ static int dpaa2_eth_poll(struct napi_struct *napi, int budget) /* Refill pool if appropriate */ refill_pool(priv, ch, priv->bpid); - store_cleaned = consume_frames(ch, &type); - if (type == DPAA2_RX_FQ) + store_cleaned = consume_frames(ch, &fq); + if (!store_cleaned) + break; + if (fq->type == DPAA2_RX_FQ) { rx_cleaned += store_cleaned; - else + } else { txconf_cleaned += store_cleaned; + /* We have a single Tx conf FQ on this channel */ + txc_fq = fq; + } /* If we either consumed the whole NAPI budget with Rx frames * or we reached the Tx confirmations threshold, we're done. */ if (rx_cleaned >= budget || - txconf_cleaned >= DPAA2_ETH_TXCONF_PER_NAPI) - return budget; + txconf_cleaned >= DPAA2_ETH_TXCONF_PER_NAPI) { + work_done = budget; + goto out; + } } while (store_cleaned); /* We didn't consume the entire budget, so finish napi and @@ -974,7 +990,18 @@ static int dpaa2_eth_poll(struct napi_struct *napi, int budget) WARN_ONCE(err, "CDAN notifications rearm failed on core %d", ch->nctx.desired_cpu); - return max(rx_cleaned, 1); + work_done = max(rx_cleaned, 1); + +out: + if (txc_fq) { + nq = netdev_get_tx_queue(priv->net_dev, txc_fq->flowid); + netdev_tx_completed_queue(nq, txc_fq->dq_frames, + txc_fq->dq_bytes); + txc_fq->dq_frames = 0; + txc_fq->dq_bytes = 0; + } + + return work_done; } static void enable_ch_napi(struct dpaa2_eth_priv *priv) @@ -1603,7 +1630,7 @@ static int setup_dpio(struct dpaa2_eth_priv *priv) /* Stop if we already have enough channels to accommodate all * RX and TX conf queues */ - if (priv->num_channels == dpaa2_eth_queue_count(priv)) + if (priv->num_channels == priv->dpni_attrs.num_queues) break; } diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h index 452a8e9c4f0e..16545e9386cd 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h @@ -271,14 +271,15 @@ struct dpaa2_eth_fq { u32 tx_qdbin; u16 flowid; int target_cpu; + u32 dq_frames; + u32 dq_bytes; struct dpaa2_eth_channel *channel; enum dpaa2_eth_fq_type type; void (*consume)(struct dpaa2_eth_priv *priv, struct dpaa2_eth_channel *ch, const struct dpaa2_fd *fd, - struct napi_struct *napi, - u16 queue_id); + struct dpaa2_eth_fq *fq); struct dpaa2_eth_fq_stats stats; }; @@ -434,9 +435,10 @@ static inline unsigned int dpaa2_eth_rx_head_room(struct dpaa2_eth_priv *priv) DPAA2_ETH_RX_HWA_SIZE; } +/* We have exactly one {Rx, Tx conf} queue per channel */ static int dpaa2_eth_queue_count(struct dpaa2_eth_priv *priv) { - return priv->dpni_attrs.num_queues; + return priv->num_channels; } int dpaa2_eth_set_hash(struct net_device *net_dev, u64 flags);