diff options
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/atheros/alx/alx.h | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/atheros/alx/main.c | 48 | ||||
| -rw-r--r-- | drivers/net/ethernet/ezchip/nps_enet.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/marvell/mvneta_bm.c | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/rocker/rocker_ofdpa.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/ef10.c | 16 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 2 |
7 files changed, 74 insertions, 5 deletions
diff --git a/drivers/net/ethernet/atheros/alx/alx.h b/drivers/net/ethernet/atheros/alx/alx.h index 8fc93c5f6..d02c4240b 100644 --- a/drivers/net/ethernet/atheros/alx/alx.h +++ b/drivers/net/ethernet/atheros/alx/alx.h @@ -96,6 +96,10 @@ struct alx_priv { unsigned int rx_ringsz; unsigned int rxbuf_size; + struct page *rx_page; + unsigned int rx_page_offset; + unsigned int rx_frag_size; + struct napi_struct napi; struct alx_tx_queue txq; struct alx_rx_queue rxq; diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index 55b118e87..8611811fb 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -70,6 +70,35 @@ static void alx_free_txbuf(struct alx_priv *alx, int entry) } } +static struct sk_buff *alx_alloc_skb(struct alx_priv *alx, gfp_t gfp) +{ + struct sk_buff *skb; + struct page *page; + + if (alx->rx_frag_size > PAGE_SIZE) + return __netdev_alloc_skb(alx->dev, alx->rxbuf_size, gfp); + + page = alx->rx_page; + if (!page) { + alx->rx_page = page = alloc_page(gfp); + if (unlikely(!page)) + return NULL; + alx->rx_page_offset = 0; + } + + skb = build_skb(page_address(page) + alx->rx_page_offset, + alx->rx_frag_size); + if (likely(skb)) { + alx->rx_page_offset += alx->rx_frag_size; + if (alx->rx_page_offset >= PAGE_SIZE) + alx->rx_page = NULL; + else + get_page(page); + } + return skb; +} + + static int alx_refill_rx_ring(struct alx_priv *alx, gfp_t gfp) { struct alx_rx_queue *rxq = &alx->rxq; @@ -86,7 +115,7 @@ static int alx_refill_rx_ring(struct alx_priv *alx, gfp_t gfp) while (!cur_buf->skb && next != rxq->read_idx) { struct alx_rfd *rfd = &rxq->rfd[cur]; - skb = __netdev_alloc_skb(alx->dev, alx->rxbuf_size, gfp); + skb = alx_alloc_skb(alx, gfp); if (!skb) break; dma = dma_map_single(&alx->hw.pdev->dev, @@ -124,6 +153,7 @@ static int alx_refill_rx_ring(struct alx_priv *alx, gfp_t gfp) alx_write_mem16(&alx->hw, ALX_RFD_PIDX, cur); } + return count; } @@ -592,6 +622,11 @@ static void alx_free_rings(struct alx_priv *alx) kfree(alx->txq.bufs); kfree(alx->rxq.bufs); + if (alx->rx_page) { + put_page(alx->rx_page); + alx->rx_page = NULL; + } + dma_free_coherent(&alx->hw.pdev->dev, alx->descmem.size, alx->descmem.virt, @@ -646,6 +681,7 @@ static int alx_request_irq(struct alx_priv *alx) alx->dev->name, alx); if (!err) goto out; + /* fall back to legacy interrupt */ pci_disable_msi(alx->hw.pdev); } @@ -689,6 +725,7 @@ static int alx_init_sw(struct alx_priv *alx) struct pci_dev *pdev = alx->hw.pdev; struct alx_hw *hw = &alx->hw; int err; + unsigned int head_size; err = alx_identify_hw(alx); if (err) { @@ -704,7 +741,12 @@ static int alx_init_sw(struct alx_priv *alx) hw->smb_timer = 400; hw->mtu = alx->dev->mtu; + alx->rxbuf_size = ALX_MAX_FRAME_LEN(hw->mtu); + head_size = SKB_DATA_ALIGN(alx->rxbuf_size + NET_SKB_PAD) + + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + alx->rx_frag_size = roundup_pow_of_two(head_size); + alx->tx_ringsz = 256; alx->rx_ringsz = 512; hw->imt = 200; @@ -806,6 +848,7 @@ static int alx_change_mtu(struct net_device *netdev, int mtu) { struct alx_priv *alx = netdev_priv(netdev); int max_frame = ALX_MAX_FRAME_LEN(mtu); + unsigned int head_size; if ((max_frame < ALX_MIN_FRAME_SIZE) || (max_frame > ALX_MAX_FRAME_SIZE)) @@ -817,6 +860,9 @@ static int alx_change_mtu(struct net_device *netdev, int mtu) netdev->mtu = mtu; alx->hw.mtu = mtu; alx->rxbuf_size = max(max_frame, ALX_DEF_RXBUF_SIZE); + head_size = SKB_DATA_ALIGN(alx->rxbuf_size + NET_SKB_PAD) + + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + alx->rx_frag_size = roundup_pow_of_two(head_size); netdev_update_features(netdev); if (netif_running(netdev)) alx_reinit(alx); diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c index 085f9125c..06f031715 100644 --- a/drivers/net/ethernet/ezchip/nps_enet.c +++ b/drivers/net/ethernet/ezchip/nps_enet.c @@ -205,8 +205,10 @@ static int nps_enet_poll(struct napi_struct *napi, int budget) * re-adding ourselves to the poll list. */ - if (priv->tx_skb && !tx_ctrl_ct) + if (priv->tx_skb && !tx_ctrl_ct) { + nps_enet_reg_set(priv, NPS_ENET_REG_BUF_INT_ENABLE, 0); napi_reschedule(napi); + } } return work_done; diff --git a/drivers/net/ethernet/marvell/mvneta_bm.c b/drivers/net/ethernet/marvell/mvneta_bm.c index 01fccec63..466939f8f 100644 --- a/drivers/net/ethernet/marvell/mvneta_bm.c +++ b/drivers/net/ethernet/marvell/mvneta_bm.c @@ -189,6 +189,7 @@ struct mvneta_bm_pool *mvneta_bm_pool_use(struct mvneta_bm *priv, u8 pool_id, SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); hwbm_pool->construct = mvneta_bm_construct; hwbm_pool->priv = new_pool; + spin_lock_init(&hwbm_pool->lock); /* Create new pool */ err = mvneta_bm_pool_create(priv, new_pool); diff --git a/drivers/net/ethernet/rocker/rocker_ofdpa.c b/drivers/net/ethernet/rocker/rocker_ofdpa.c index 0e758bcb2..1ca796316 100644 --- a/drivers/net/ethernet/rocker/rocker_ofdpa.c +++ b/drivers/net/ethernet/rocker/rocker_ofdpa.c @@ -2727,7 +2727,7 @@ static int ofdpa_port_obj_fib4_add(struct rocker_port *rocker_port, return ofdpa_port_fib_ipv4(ofdpa_port, trans, htonl(fib4->dst), fib4->dst_len, - &fib4->fi, fib4->tb_id, 0); + fib4->fi, fib4->tb_id, 0); } static int ofdpa_port_obj_fib4_del(struct rocker_port *rocker_port, @@ -2737,7 +2737,7 @@ static int ofdpa_port_obj_fib4_del(struct rocker_port *rocker_port, return ofdpa_port_fib_ipv4(ofdpa_port, NULL, htonl(fib4->dst), fib4->dst_len, - &fib4->fi, fib4->tb_id, + fib4->fi, fib4->tb_id, OFDPA_OP_FLAG_REMOVE); } diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 1681084cc..1f3091274 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -619,6 +619,17 @@ fail: return rc; } +static void efx_ef10_forget_old_piobufs(struct efx_nic *efx) +{ + struct efx_channel *channel; + struct efx_tx_queue *tx_queue; + + /* All our existing PIO buffers went away */ + efx_for_each_channel(channel, efx) + efx_for_each_channel_tx_queue(tx_queue, channel) + tx_queue->piobuf = NULL; +} + #else /* !EFX_USE_PIO */ static int efx_ef10_alloc_piobufs(struct efx_nic *efx, unsigned int n) @@ -635,6 +646,10 @@ static void efx_ef10_free_piobufs(struct efx_nic *efx) { } +static void efx_ef10_forget_old_piobufs(struct efx_nic *efx) +{ +} + #endif /* EFX_USE_PIO */ static void efx_ef10_remove(struct efx_nic *efx) @@ -1018,6 +1033,7 @@ static void efx_ef10_reset_mc_allocations(struct efx_nic *efx) nic_data->must_realloc_vis = true; nic_data->must_restore_filters = true; nic_data->must_restore_piobufs = true; + efx_ef10_forget_old_piobufs(efx); nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID; /* Driver-created vswitches and vports must be re-created */ diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index 06704ca6f..8683a2169 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -209,7 +209,7 @@ int stmmac_mdio_register(struct net_device *ndev) return -ENOMEM; if (mdio_bus_data->irqs) - memcpy(new_bus->irq, mdio_bus_data, sizeof(new_bus->irq)); + memcpy(new_bus->irq, mdio_bus_data->irqs, sizeof(new_bus->irq)); #ifdef CONFIG_OF if (priv->device->of_node) |