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authorFelix Fietkau <nbd@openwrt.org>2015-01-24 22:45:28 +0000
committerFelix Fietkau <nbd@openwrt.org>2015-01-24 22:45:28 +0000
commitbef829efa5b00d909136593931290345f88ca4e6 (patch)
tree7e6e1726cf69729ac1da85cac91d20309a652564 /target/linux/ramips/files
parent3ec294a825a1f796dbb2f6a56c82e1010e22ad2a (diff)
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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')
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_ethtool.c2
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.c300
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/ralink_soc_eth.h33
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c13
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt2880.c1
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt305x.c2
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c1
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,