diff options
author | Felix Fietkau <nbd@openwrt.org> | 2015-01-24 22:45:28 +0000 |
---|---|---|
committer | Felix Fietkau <nbd@openwrt.org> | 2015-01-24 22:45:28 +0000 |
commit | bef829efa5b00d909136593931290345f88ca4e6 (patch) | |
tree | 7e6e1726cf69729ac1da85cac91d20309a652564 /target/linux/ramips/files/drivers/net/ethernet | |
parent | 3ec294a825a1f796dbb2f6a56c82e1010e22ad2a (diff) | |
download | upstream-bef829efa5b00d909136593931290345f88ca4e6.tar.gz upstream-bef829efa5b00d909136593931290345f88ca4e6.tar.bz2 upstream-bef829efa5b00d909136593931290345f88ca4e6.zip |
ralink: fix ethernet feature TSO not work
* fix TSO features verify on mt7621 firewrt board
* improve tx clean up. no need to access uncached
memory. also use TX_DTX register instead of
read tx ring DONE bit
* mt7621 need napi weight 64 to get more performance
* remove netif_receive_skb, after kernel version
3.7 tcp4_gro_receive can handle tcp checksum.
on rt2880 use iperf tcp LAN to WAN throughput test.
with gro 135 Mbits/sec. without gro 80.4Mbits/sec.
Signed-off-by: michael lee <igvtee@gmail.com>
SVN-Revision: 44118
Diffstat (limited to 'target/linux/ramips/files/drivers/net/ethernet')
7 files changed, 197 insertions, 155 deletions
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_ethtool.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_ethtool.c index c7744ba5c1..df61963dc9 100644 --- a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_ethtool.c +++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_ethtool.c @@ -208,5 +208,5 @@ void fe_set_ethtool_ops(struct net_device *netdev) fe_ethtool_ops.get_ethtool_stats = fe_get_ethtool_stats; } - SET_ETHTOOL_OPS(netdev, &fe_ethtool_ops); + netdev->ethtool_ops = &fe_ethtool_ops; } diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c index 0047b28fd0..d7d1e8efc9 100644 --- a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c +++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c @@ -190,14 +190,6 @@ static inline void fe_get_rxd(struct fe_rx_dma *rxd, struct fe_rx_dma *dma_rxd) rxd->rxd4 = dma_rxd->rxd4; } -static inline void fe_get_txd(struct fe_tx_dma *txd, struct fe_tx_dma *dma_txd) -{ - txd->txd1 = dma_txd->txd1; - txd->txd2 = dma_txd->txd2; - txd->txd3 = dma_txd->txd3; - txd->txd4 = dma_txd->txd4; -} - static inline void fe_set_txd(struct fe_tx_dma *txd, struct fe_tx_dma *dma_txd) { dma_txd->txd1 = txd->txd1; @@ -289,17 +281,41 @@ no_rx_mem: return -ENOMEM; } +static void fe_txd_unmap(struct device *dev, struct fe_tx_buf *tx_buf) +{ + if (tx_buf->flags & FE_TX_FLAGS_SINGLE0) { + dma_unmap_single(dev, + dma_unmap_addr(tx_buf, dma_addr0), + dma_unmap_len(tx_buf, dma_len0), + DMA_TO_DEVICE); + } else if (tx_buf->flags & FE_TX_FLAGS_PAGE0) { + dma_unmap_page(dev, + dma_unmap_addr(tx_buf, dma_addr0), + dma_unmap_len(tx_buf, dma_len0), + DMA_TO_DEVICE); + } + if (tx_buf->flags & FE_TX_FLAGS_PAGE1) + dma_unmap_page(dev, + dma_unmap_addr(tx_buf, dma_addr1), + dma_unmap_len(tx_buf, dma_len1), + DMA_TO_DEVICE); + + tx_buf->flags = 0; + if (tx_buf->skb && (tx_buf->skb != (struct sk_buff *) DMA_DUMMY_DESC)) { + dev_kfree_skb_any(tx_buf->skb); + } + tx_buf->skb = NULL; +} + static void fe_clean_tx(struct fe_priv *priv) { int i; - if (priv->tx_skb) { - for (i = 0; i < NUM_DMA_DESC; i++) { - if (priv->tx_skb[i]) - dev_kfree_skb_any(priv->tx_skb[i]); - } - kfree(priv->tx_skb); - priv->tx_skb = NULL; + if (priv->tx_buf) { + for (i = 0; i < NUM_DMA_DESC; i++) + fe_txd_unmap(&priv->netdev->dev, &priv->tx_buf[i]); + kfree(priv->tx_buf); + priv->tx_buf = NULL; } if (priv->tx_dma) { @@ -317,9 +333,9 @@ static int fe_alloc_tx(struct fe_priv *priv) priv->tx_free_idx = 0; - priv->tx_skb = kcalloc(NUM_DMA_DESC, sizeof(*priv->tx_skb), + priv->tx_buf = kcalloc(NUM_DMA_DESC, sizeof(*priv->tx_buf), GFP_KERNEL); - if (!priv->tx_skb) + if (!priv->tx_buf) goto no_tx_mem; priv->tx_dma = dma_alloc_coherent(&priv->netdev->dev, @@ -332,7 +348,6 @@ static int fe_alloc_tx(struct fe_priv *priv) for (i = 0; i < NUM_DMA_DESC; i++) { if (priv->soc->tx_dma) { priv->soc->tx_dma(&priv->tx_dma[i]); - continue; } priv->tx_dma[i].txd2 = TX_DMA_DESP2_DEF; } @@ -372,39 +387,19 @@ static void fe_free_dma(struct fe_priv *priv) netdev_reset_queue(priv->netdev); } -static inline void txd_unmap_single(struct device *dev, struct fe_tx_dma *txd) -{ - if (txd->txd1 && TX_DMA_GET_PLEN0(txd->txd2)) - dma_unmap_single(dev, txd->txd1, - TX_DMA_GET_PLEN0(txd->txd2), - DMA_TO_DEVICE); -} - -static inline void txd_unmap_page0(struct device *dev, struct fe_tx_dma *txd) -{ - if (txd->txd1 && TX_DMA_GET_PLEN0(txd->txd2)) - dma_unmap_page(dev, txd->txd1, - TX_DMA_GET_PLEN0(txd->txd2), - DMA_TO_DEVICE); -} - -static inline void txd_unmap_page1(struct device *dev, struct fe_tx_dma *txd) -{ - if (txd->txd3 && TX_DMA_GET_PLEN1(txd->txd2)) - dma_unmap_page(dev, txd->txd3, - TX_DMA_GET_PLEN1(txd->txd2), - DMA_TO_DEVICE); -} - void fe_stats_update(struct fe_priv *priv) { struct fe_hw_stats *hwstats = priv->hw_stats; unsigned int base = fe_reg_table[FE_REG_FE_COUNTER_BASE]; + u64 stats; u64_stats_update_begin(&hwstats->syncp); if (IS_ENABLED(CONFIG_SOC_MT7621)) { hwstats->rx_bytes += fe_r32(base); + stats = fe_r32(base + 0x04); + if (stats) + hwstats->rx_bytes += (stats << 32); hwstats->rx_packets += fe_r32(base + 0x08); hwstats->rx_overflow += fe_r32(base + 0x10); hwstats->rx_fcs_errors += fe_r32(base + 0x14); @@ -415,6 +410,9 @@ void fe_stats_update(struct fe_priv *priv) hwstats->tx_skip += fe_r32(base + 0x28); hwstats->tx_collisions += fe_r32(base + 0x2c); hwstats->tx_bytes += fe_r32(base + 0x30); + stats = fe_r32(base + 0x34); + if (stats) + hwstats->tx_bytes += (stats << 32); hwstats->tx_packets += fe_r32(base + 0x38); } else { hwstats->tx_bytes += fe_r32(base); @@ -525,19 +523,21 @@ static int fe_vlan_rx_kill_vid(struct net_device *dev, } static int fe_tx_map_dma(struct sk_buff *skb, struct net_device *dev, - int idx) + int idx, int tx_num) { struct fe_priv *priv = netdev_priv(dev); struct skb_frag_struct *frag; struct fe_tx_dma txd, *ptxd; + struct fe_tx_buf *tx_buf; dma_addr_t mapped_addr; unsigned int nr_frags; u32 def_txd4; - int i, j, unmap_idx, tx_num; + int i, j, k, frag_size, frag_map_size, offset; + tx_buf = &priv->tx_buf[idx]; + memset(tx_buf, 0, sizeof(*tx_buf)); memset(&txd, 0, sizeof(txd)); nr_frags = skb_shinfo(skb)->nr_frags; - tx_num = 1 + (nr_frags >> 1); /* init tx descriptor */ if (priv->soc->tx_dma) @@ -546,9 +546,6 @@ static int fe_tx_map_dma(struct sk_buff *skb, struct net_device *dev, txd.txd4 = TX_DMA_DESP4_DEF; def_txd4 = txd.txd4; - /* use dma_unmap_single to free it */ - txd.txd4 |= priv->soc->tx_udf_bit; - /* TX Checksum offload */ if (skb->ip_summed == CHECKSUM_PARTIAL) txd.txd4 |= TX_DMA_CHKSUM; @@ -584,78 +581,92 @@ static int fe_tx_map_dma(struct sk_buff *skb, struct net_device *dev, txd.txd1 = mapped_addr; txd.txd2 = TX_DMA_PLEN0(skb_headlen(skb)); + tx_buf->flags |= FE_TX_FLAGS_SINGLE0; + dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); + dma_unmap_len_set(tx_buf, dma_len0, skb_headlen(skb)); + /* TX SG offload */ j = idx; + k = 0; for (i = 0; i < nr_frags; i++) { - + offset = 0; frag = &skb_shinfo(skb)->frags[i]; - mapped_addr = skb_frag_dma_map(&dev->dev, frag, 0, - skb_frag_size(frag), DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) - goto err_dma; - - if (i & 0x1) { - j = NEXT_TX_DESP_IDX(j); - txd.txd1 = mapped_addr; - txd.txd2 = TX_DMA_PLEN0(frag->size); - txd.txd4 = def_txd4; - } else { - txd.txd3 = mapped_addr; - txd.txd2 |= TX_DMA_PLEN1(frag->size); - if (i != (nr_frags -1)) { - fe_set_txd(&txd, &priv->tx_dma[j]); - memset(&txd, 0, sizeof(txd)); + frag_size = skb_frag_size(frag); + + while (frag_size > 0) { + frag_map_size = min(frag_size, TX_DMA_BUF_LEN); + mapped_addr = skb_frag_dma_map(&dev->dev, frag, offset, + frag_map_size, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) + goto err_dma; + + if (k & 0x1) { + j = NEXT_TX_DESP_IDX(j); + txd.txd1 = mapped_addr; + txd.txd2 = TX_DMA_PLEN0(frag_map_size); + txd.txd4 = def_txd4; + + tx_buf = &priv->tx_buf[j]; + memset(tx_buf, 0, sizeof(*tx_buf)); + + tx_buf->flags |= FE_TX_FLAGS_PAGE0; + dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); + dma_unmap_len_set(tx_buf, dma_len0, frag_map_size); + } else { + txd.txd3 = mapped_addr; + txd.txd2 |= TX_DMA_PLEN1(frag_map_size); + + tx_buf->skb = (struct sk_buff *) DMA_DUMMY_DESC; + tx_buf->flags |= FE_TX_FLAGS_PAGE1; + dma_unmap_addr_set(tx_buf, dma_addr1, mapped_addr); + dma_unmap_len_set(tx_buf, dma_len1, frag_map_size); + + if (!((i == (nr_frags -1)) && + (frag_map_size == frag_size))) { + fe_set_txd(&txd, &priv->tx_dma[j]); + memset(&txd, 0, sizeof(txd)); + } } - priv->tx_skb[j] = (struct sk_buff *) DMA_DUMMY_DESC; + frag_size -= frag_map_size; + offset += frag_map_size; + k++; } } /* set last segment */ - if (nr_frags & 0x1) + if (k & 0x1) txd.txd2 |= TX_DMA_LS1; else txd.txd2 |= TX_DMA_LS0; fe_set_txd(&txd, &priv->tx_dma[j]); /* store skb to cleanup */ - priv->tx_skb[j] = skb; + tx_buf->skb = skb; netdev_sent_queue(dev, skb->len); skb_tx_timestamp(skb); - wmb(); j = NEXT_TX_DESP_IDX(j); + wmb(); fe_reg_w32(j, FE_REG_TX_CTX_IDX0); return 0; err_dma: - /* unmap dma */ - ptxd = &priv->tx_dma[idx]; - txd_unmap_single(&dev->dev, ptxd); - - j = idx; - unmap_idx = i; - for (i = 0; i < unmap_idx; i++) { - if (i & 0x1) { - j = NEXT_TX_DESP_IDX(j); - ptxd = &priv->tx_dma[j]; - txd_unmap_page0(&dev->dev, ptxd); - } else { - txd_unmap_page1(&dev->dev, ptxd); - } - } - -err_out: - /* reinit descriptors and skb */ j = idx; for (i = 0; i < tx_num; i++) { - priv->tx_dma[j].txd2 = TX_DMA_DESP2_DEF; - priv->tx_skb[j] = NULL; + ptxd = &priv->tx_dma[j]; + tx_buf = &priv->tx_buf[j]; + + /* unmap dma */ + fe_txd_unmap(&dev->dev, tx_buf); + + ptxd->txd2 = TX_DMA_DESP2_DEF; j = NEXT_TX_DESP_IDX(j); } wmb(); +err_out: return -1; } @@ -695,6 +706,24 @@ static inline u32 fe_empty_txd(struct fe_priv *priv, u32 tx_fill_idx) (NUM_DMA_DESC - 1))); } +static inline int fe_cal_txd_req(struct sk_buff *skb) +{ + int i, nfrags; + struct skb_frag_struct *frag; + + nfrags = 1; + if (skb_is_gso(skb)) { + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + frag = &skb_shinfo(skb)->frags[i]; + nfrags += DIV_ROUND_UP(frag->size, TX_DMA_BUF_LEN); + } + } else { + nfrags += skb_shinfo(skb)->nr_frags; + } + + return DIV_ROUND_UP(nfrags, 2); +} + static int fe_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct fe_priv *priv = netdev_priv(dev); @@ -708,7 +737,7 @@ static int fe_start_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; } - tx_num = 1 + (skb_shinfo(skb)->nr_frags >> 1); + tx_num = fe_cal_txd_req(skb); tx = fe_reg_r32(FE_REG_TX_CTX_IDX0); if (unlikely(fe_empty_txd(priv, tx) <= tx_num)) { @@ -718,9 +747,7 @@ static int fe_start_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_BUSY; } - if (fe_tx_map_dma(skb, dev, tx) < 0) { - kfree_skb(skb); - + if (fe_tx_map_dma(skb, dev, tx, tx_num) < 0) { stats->tx_dropped++; } else { stats->tx_packets++; @@ -745,7 +772,7 @@ static inline void fe_rx_vlan(struct sk_buff *skb) } static int fe_poll_rx(struct napi_struct *napi, int budget, - struct fe_priv *priv) + struct fe_priv *priv, u32 rx_intr) { struct net_device *netdev = priv->netdev; struct net_device_stats *stats = &netdev->stats; @@ -767,6 +794,7 @@ static int fe_poll_rx(struct napi_struct *napi, int budget, pad = 0; else pad = NET_IP_ALIGN; + while (done < budget) { unsigned int pktlen; dma_addr_t dma_addr; @@ -818,10 +846,7 @@ static int fe_poll_rx(struct napi_struct *napi, int budget, stats->rx_packets++; stats->rx_bytes += pktlen; - if (skb->ip_summed == CHECKSUM_NONE) - netif_receive_skb(skb); - else - napi_gro_receive(napi, skb); + napi_gro_receive(napi, skb); priv->rx_data[idx] = new_data; rxd->rxd1 = (unsigned int) dma_addr; @@ -837,40 +862,39 @@ release_desc: done++; } + if (done < budget) + fe_reg_w32(rx_intr, FE_REG_FE_INT_STATUS); + return done; } -static int fe_poll_tx(struct fe_priv *priv, int budget) +static int fe_poll_tx(struct fe_priv *priv, int budget, u32 tx_intr) { struct net_device *netdev = priv->netdev; struct device *dev = &netdev->dev; unsigned int bytes_compl = 0; struct sk_buff *skb; - struct fe_tx_dma txd; - int done = 0, idx; - u32 udf_bit = priv->soc->tx_udf_bit; + struct fe_tx_buf *tx_buf; + int done = 0; + u32 idx, hwidx; + hwidx = fe_reg_r32(FE_REG_TX_DTX_IDX0); idx = priv->tx_free_idx; - while (done < budget) { - fe_get_txd(&txd, &priv->tx_dma[idx]); - skb = priv->tx_skb[idx]; - - if (!(txd.txd2 & TX_DMA_DONE) || !skb) - break; - txd_unmap_page1(dev, &txd); +txpoll_again: + while ((idx != hwidx) && budget) { + tx_buf = &priv->tx_buf[idx]; + skb = tx_buf->skb; - if (txd.txd4 & udf_bit) - txd_unmap_single(dev, &txd); - else - txd_unmap_page0(dev, &txd); + if (!skb) + break; if (skb != (struct sk_buff *) DMA_DUMMY_DESC) { bytes_compl += skb->len; - dev_kfree_skb_any(skb); done++; + budget--; } - priv->tx_skb[idx] = NULL; + fe_txd_unmap(dev, tx_buf); idx = NEXT_TX_DESP_IDX(idx); } priv->tx_free_idx = idx; @@ -878,6 +902,13 @@ static int fe_poll_tx(struct fe_priv *priv, int budget) if (!done) return 0; + if (done < budget) { + hwidx = fe_reg_r32(FE_REG_TX_DTX_IDX0); + if (idx != hwidx) + goto txpoll_again; + fe_reg_w32(tx_intr, FE_REG_FE_INT_STATUS); + } + netdev_completed_queue(netdev, done, bytes_compl); if (unlikely(netif_queue_stopped(netdev) && netif_carrier_ok(netdev))) { @@ -900,21 +931,11 @@ static int fe_poll(struct napi_struct *napi, int budget) rx_intr = priv->soc->rx_int; tx_done = rx_done = 0; -poll_again: - if (status & tx_intr) { - tx_done += fe_poll_tx(priv, budget - tx_done); - if (tx_done < budget) { - fe_reg_w32(tx_intr, FE_REG_FE_INT_STATUS); - } - status = fe_reg_r32(FE_REG_FE_INT_STATUS); - } + if (status & tx_intr) + tx_done = fe_poll_tx(priv, budget, tx_intr); - if (status & rx_intr) { - rx_done += fe_poll_rx(napi, budget - rx_done, priv); - if (rx_done < budget) { - fe_reg_w32(rx_intr, FE_REG_FE_INT_STATUS); - } - } + if (status & rx_intr) + rx_done = fe_poll_rx(napi, budget, priv, rx_intr); if (unlikely(hwstat && (status & FE_CNT_GDM_AF))) { if (spin_trylock(&hwstat->stats_lock)) { @@ -933,13 +954,14 @@ poll_again: if ((tx_done < budget) && (rx_done < budget)) { status = fe_reg_r32(FE_REG_FE_INT_STATUS); - if (status & (tx_intr | rx_intr )) { + if (status & (tx_intr | rx_intr )) goto poll_again; - } + napi_complete(napi); fe_int_enable(tx_intr | rx_intr); } +poll_again: return rx_done; } @@ -984,8 +1006,10 @@ static irqreturn_t fe_handle_irq(int irq, void *dev) int_mask = (priv->soc->rx_int | priv->soc->tx_int); if (likely(status & int_mask)) { - fe_int_disable(int_mask); - napi_schedule(&priv->rx_napi); + if (likely(napi_schedule_prep(&priv->rx_napi))) { + fe_int_disable(int_mask); + __napi_schedule(&priv->rx_napi); + } } else { fe_reg_w32(status, FE_REG_FE_INT_STATUS); } @@ -1086,6 +1110,9 @@ static int fe_hw_init(struct net_device *dev) else fe_hw_set_macaddr(priv, dev->dev_addr); + /* disable delay interrupt */ + fe_reg_w32(0, FE_REG_DLY_INT_CFG); + fe_int_disable(priv->soc->tx_int | priv->soc->rx_int); /* frame engine will push VLAN tag regarding to VIDX feild in Tx desc. */ @@ -1373,7 +1400,7 @@ static int fe_probe(struct platform_device *pdev) struct net_device *netdev; struct fe_priv *priv; struct clk *sysclk; - int err; + int err, napi_weight; device_reset(&pdev->dev); @@ -1449,7 +1476,10 @@ static int fe_probe(struct platform_device *pdev) } INIT_WORK(&priv->pending_work, fe_pending_work); - netif_napi_add(netdev, &priv->rx_napi, fe_poll, 32); + napi_weight = 32; + if (priv->flags & FE_FLAG_NAPI_WEIGHT) + napi_weight = 64; + netif_napi_add(netdev, &priv->rx_napi, fe_poll, napi_weight); fe_set_ethtool_ops(netdev); err = register_netdev(netdev); diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h index 8433c3cc12..8c204768b7 100644 --- a/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h +++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h @@ -51,7 +51,7 @@ enum fe_work_flag { FE_FLAG_MAX }; -#define FE_DRV_VERSION "0.1.1" +#define FE_DRV_VERSION "0.1.2" /* power of 2 to let NEXT_TX_DESP_IDX work */ #ifdef CONFIG_SOC_MT7621 @@ -322,11 +322,12 @@ struct fe_rx_dma { unsigned int rxd4; } __packed __aligned(4); -#define TX_DMA_PLEN0_MASK ((0x3fff) << 16) -#define TX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16) -#define TX_DMA_PLEN1(_x) ((_x) & 0x3fff) -#define TX_DMA_GET_PLEN0(_x) (((_x) >> 16 ) & 0x3fff) -#define TX_DMA_GET_PLEN1(_x) ((_x) & 0x3fff) +#define TX_DMA_BUF_LEN 0x3fff +#define TX_DMA_PLEN0_MASK (TX_DMA_BUF_LEN << 16) +#define TX_DMA_PLEN0(_x) (((_x) & TX_DMA_BUF_LEN) << 16) +#define TX_DMA_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN) +#define TX_DMA_GET_PLEN0(_x) (((_x) >> 16 ) & TX_DMA_BUF_LEN) +#define TX_DMA_GET_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN) #define TX_DMA_LS1 BIT(14) #define TX_DMA_LS0 BIT(30) #define TX_DMA_DONE BIT(31) @@ -401,7 +402,6 @@ struct fe_soc_data u32 rx_int; u32 tx_int; u32 checksum_bit; - u32 tx_udf_bit; }; #define FE_FLAG_PADDING_64B BIT(0) @@ -410,6 +410,7 @@ struct fe_soc_data #define FE_FLAG_RX_2B_OFFSET BIT(3) #define FE_FLAG_RX_SG_DMA BIT(4) #define FE_FLAG_RX_VLAN_CTAG BIT(5) +#define FE_FLAG_NAPI_WEIGHT BIT(6) #define FE_STAT_REG_DECLARE \ _FE(tx_bytes) \ @@ -434,6 +435,22 @@ FE_STAT_REG_DECLARE #undef _FE }; +enum fe_tx_flags { + FE_TX_FLAGS_SINGLE0 = 0x01, + FE_TX_FLAGS_PAGE0 = 0x02, + FE_TX_FLAGS_PAGE1 = 0x04, +}; + +struct fe_tx_buf +{ + struct sk_buff *skb; + u32 flags; + DEFINE_DMA_UNMAP_ADDR(dma_addr0); + DEFINE_DMA_UNMAP_LEN(dma_len0); + DEFINE_DMA_UNMAP_ADDR(dma_addr1); + DEFINE_DMA_UNMAP_LEN(dma_len1); +}; + struct fe_priv { spinlock_t page_lock; @@ -454,7 +471,7 @@ struct fe_priv struct napi_struct rx_napi; struct fe_tx_dma *tx_dma; - struct sk_buff **tx_skb; + struct fe_tx_buf *tx_buf; dma_addr_t tx_phys; unsigned int tx_free_idx; diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c index c99206a965..6e2fbdf645 100644 --- a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c +++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c @@ -161,7 +161,7 @@ static int mt7621_fwd_config(struct fe_priv *priv) fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~0xffff, MT7620A_GDMA1_FWD_CFG); - mt7620_txcsum_config((dev->features & NETIF_F_IP_CSUM)); + /* mt7621 don't have txcsum config */ mt7620_rxcsum_config((dev->features & NETIF_F_RXCSUM)); mt7621_rxvlan_config((dev->features & NETIF_F_HW_VLAN_CTAG_RX) && (priv->flags & FE_FLAG_RX_VLAN_CTAG)); @@ -171,7 +171,6 @@ static int mt7621_fwd_config(struct fe_priv *priv) static void mt7620_tx_dma(struct fe_tx_dma *txd) { - txd->txd4 = 0; } static void mt7621_tx_dma(struct fe_tx_dma *txd) @@ -189,7 +188,7 @@ static void mt7620_init_data(struct fe_soc_data *data, netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX; - if (mt7620_get_eco() >= 5 || IS_ENABLED(CONFIG_SOC_MT7621)) + if (mt7620_get_eco() >= 5) netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_IPV6_CSUM; } @@ -200,9 +199,11 @@ static void mt7621_init_data(struct fe_soc_data *data, struct fe_priv *priv = netdev_priv(netdev); priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET | - FE_FLAG_RX_SG_DMA; + FE_FLAG_RX_SG_DMA | FE_FLAG_NAPI_WEIGHT; - netdev->hw_features = NETIF_F_HW_VLAN_CTAG_TX; + netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM | + NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_SG | NETIF_F_TSO | + NETIF_F_TSO6 | NETIF_F_IPV6_CSUM; } static void mt7621_set_mac(struct fe_priv *priv, unsigned char *mac) @@ -231,7 +232,6 @@ static struct fe_soc_data mt7620_data = { .rx_int = RT5350_RX_DONE_INT, .tx_int = RT5350_TX_DONE_INT, .checksum_bit = MT7620_L4_VALID, - .tx_udf_bit = MT7620_TX_DMA_UDF, .has_carrier = mt7620a_has_carrier, .mdio_read = mt7620_mdio_read, .mdio_write = mt7620_mdio_write, @@ -252,7 +252,6 @@ static struct fe_soc_data mt7621_data = { .rx_int = RT5350_RX_DONE_INT, .tx_int = RT5350_TX_DONE_INT, .checksum_bit = MT7621_L4_VALID, - .tx_udf_bit = MT7621_TX_DMA_UDF, .has_carrier = mt7620a_has_carrier, .mdio_read = mt7620_mdio_read, .mdio_write = mt7620_mdio_write, diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt2880.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt2880.c index 43467310bd..ebe85b9a6a 100644 --- a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt2880.c +++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt2880.c @@ -63,7 +63,6 @@ struct fe_soc_data rt2880_data = { .fwd_config = rt2880_fwd_config, .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS, .checksum_bit = RX_DMA_L4VALID, - .tx_udf_bit = TX_DMA_UDF, .rx_int = FE_RX_DONE_INT, .tx_int = FE_TX_DONE_INT, .mdio_read = rt2880_mdio_read, diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt305x.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt305x.c index 8f7be46889..5bb244f6a5 100644 --- a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt305x.c +++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt305x.c @@ -131,7 +131,6 @@ static struct fe_soc_data rt3050_data = { .fwd_config = rt3050_fwd_config, .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS, .checksum_bit = RX_DMA_L4VALID, - .tx_udf_bit = TX_DMA_UDF, .rx_int = FE_RX_DONE_INT, .tx_int = FE_TX_DONE_INT, }; @@ -146,7 +145,6 @@ static struct fe_soc_data rt5350_data = { .tx_dma = rt5350_tx_dma, .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS, .checksum_bit = RX_DMA_L4VALID, - .tx_udf_bit = TX_DMA_UDF, .rx_int = RT5350_RX_DONE_INT, .tx_int = RT5350_TX_DONE_INT, }; diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c index 71cb74759e..4e4dcdbb94 100644 --- a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c +++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c @@ -64,7 +64,6 @@ static struct fe_soc_data rt3883_data = { .rx_int = FE_RX_DONE_INT, .tx_int = FE_TX_DONE_INT, .checksum_bit = RX_DMA_L4VALID, - .tx_udf_bit = TX_DMA_UDF, .mdio_read = rt2880_mdio_read, .mdio_write = rt2880_mdio_write, .mdio_adjust_link = rt2880_mdio_link_adjust, |