This adds some more bgmac patches from mainline kernel.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
SVN-Revision: 38637
if (freed && netif_queue_stopped(bgmac->net_dev))
netif_wake_queue(bgmac->net_dev);
}
-@@ -274,6 +285,8 @@ static int bgmac_dma_rx_read(struct bgma
+@@ -241,31 +252,59 @@ static int bgmac_dma_rx_skb_for_slot(str
+ struct bgmac_slot_info *slot)
+ {
+ struct device *dma_dev = bgmac->core->dma_dev;
++ struct sk_buff *skb;
++ dma_addr_t dma_addr;
+ struct bgmac_rx_header *rx;
+
+ /* Alloc skb */
+- slot->skb = netdev_alloc_skb(bgmac->net_dev, BGMAC_RX_BUF_SIZE);
+- if (!slot->skb)
++ skb = netdev_alloc_skb(bgmac->net_dev, BGMAC_RX_BUF_SIZE);
++ if (!skb)
+ return -ENOMEM;
+
+ /* Poison - if everything goes fine, hardware will overwrite it */
+- rx = (struct bgmac_rx_header *)slot->skb->data;
++ rx = (struct bgmac_rx_header *)skb->data;
+ rx->len = cpu_to_le16(0xdead);
+ rx->flags = cpu_to_le16(0xbeef);
+
+ /* Map skb for the DMA */
+- slot->dma_addr = dma_map_single(dma_dev, slot->skb->data,
+- BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
+- if (dma_mapping_error(dma_dev, slot->dma_addr)) {
++ dma_addr = dma_map_single(dma_dev, skb->data,
++ BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
++ if (dma_mapping_error(dma_dev, dma_addr)) {
+ bgmac_err(bgmac, "DMA mapping error\n");
++ dev_kfree_skb(skb);
+ return -ENOMEM;
+ }
++
++ /* Update the slot */
++ slot->skb = skb;
++ slot->dma_addr = dma_addr;
++
+ if (slot->dma_addr & 0xC0000000)
+ bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
+
+ return 0;
+ }
+
++static void bgmac_dma_rx_setup_desc(struct bgmac *bgmac,
++ struct bgmac_dma_ring *ring, int desc_idx)
++{
++ struct bgmac_dma_desc *dma_desc = ring->cpu_base + desc_idx;
++ u32 ctl0 = 0, ctl1 = 0;
++
++ if (desc_idx == ring->num_slots - 1)
++ ctl0 |= BGMAC_DESC_CTL0_EOT;
++ ctl1 |= BGMAC_RX_BUF_SIZE & BGMAC_DESC_CTL1_LEN;
++ /* Is there any BGMAC device that requires extension? */
++ /* ctl1 |= (addrext << B43_DMA64_DCTL1_ADDREXT_SHIFT) &
++ * B43_DMA64_DCTL1_ADDREXT_MASK;
++ */
++
++ dma_desc->addr_low = cpu_to_le32(lower_32_bits(ring->slots[desc_idx].dma_addr));
++ dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[desc_idx].dma_addr));
++ dma_desc->ctl0 = cpu_to_le32(ctl0);
++ dma_desc->ctl1 = cpu_to_le32(ctl1);
++}
++
+ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,
+ int weight)
+ {
+@@ -274,6 +313,8 @@ static int bgmac_dma_rx_read(struct bgma
end_slot = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_STATUS);
end_slot &= BGMAC_DMA_RX_STATDPTR;
end_slot /= sizeof(struct bgmac_dma_desc);
ring->end = end_slot;
-@@ -418,9 +431,6 @@ static int bgmac_dma_alloc(struct bgmac
+@@ -282,7 +323,6 @@ static int bgmac_dma_rx_read(struct bgma
+ struct device *dma_dev = bgmac->core->dma_dev;
+ struct bgmac_slot_info *slot = &ring->slots[ring->start];
+ struct sk_buff *skb = slot->skb;
+- struct sk_buff *new_skb;
+ struct bgmac_rx_header *rx;
+ u16 len, flags;
+
+@@ -295,38 +335,51 @@ static int bgmac_dma_rx_read(struct bgma
+ len = le16_to_cpu(rx->len);
+ flags = le16_to_cpu(rx->flags);
+
+- /* Check for poison and drop or pass the packet */
+- if (len == 0xdead && flags == 0xbeef) {
+- bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
+- ring->start);
+- } else {
++ do {
++ dma_addr_t old_dma_addr = slot->dma_addr;
++ int err;
++
++ /* Check for poison and drop or pass the packet */
++ if (len == 0xdead && flags == 0xbeef) {
++ bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
++ ring->start);
++ dma_sync_single_for_device(dma_dev,
++ slot->dma_addr,
++ BGMAC_RX_BUF_SIZE,
++ DMA_FROM_DEVICE);
++ break;
++ }
++
+ /* Omit CRC. */
+ len -= ETH_FCS_LEN;
+
+- new_skb = netdev_alloc_skb_ip_align(bgmac->net_dev, len);
+- if (new_skb) {
+- skb_put(new_skb, len);
+- skb_copy_from_linear_data_offset(skb, BGMAC_RX_FRAME_OFFSET,
+- new_skb->data,
+- len);
+- skb_checksum_none_assert(skb);
+- new_skb->protocol =
+- eth_type_trans(new_skb, bgmac->net_dev);
+- netif_receive_skb(new_skb);
+- handled++;
+- } else {
+- bgmac->net_dev->stats.rx_dropped++;
+- bgmac_err(bgmac, "Allocation of skb for copying packet failed!\n");
++ /* Prepare new skb as replacement */
++ err = bgmac_dma_rx_skb_for_slot(bgmac, slot);
++ if (err) {
++ /* Poison the old skb */
++ rx->len = cpu_to_le16(0xdead);
++ rx->flags = cpu_to_le16(0xbeef);
++
++ dma_sync_single_for_device(dma_dev,
++ slot->dma_addr,
++ BGMAC_RX_BUF_SIZE,
++ DMA_FROM_DEVICE);
++ break;
+ }
++ bgmac_dma_rx_setup_desc(bgmac, ring, ring->start);
+
+- /* Poison the old skb */
+- rx->len = cpu_to_le16(0xdead);
+- rx->flags = cpu_to_le16(0xbeef);
+- }
+-
+- /* Make it back accessible to the hardware */
+- dma_sync_single_for_device(dma_dev, slot->dma_addr,
+- BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
++ /* Unmap old skb, we'll pass it to the netfif */
++ dma_unmap_single(dma_dev, old_dma_addr,
++ BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
++
++ skb_put(skb, BGMAC_RX_FRAME_OFFSET + len);
++ skb_pull(skb, BGMAC_RX_FRAME_OFFSET);
++
++ skb_checksum_none_assert(skb);
++ skb->protocol = eth_type_trans(skb, bgmac->net_dev);
++ netif_receive_skb(skb);
++ handled++;
++ } while (0);
+
+ if (++ring->start >= BGMAC_RX_RING_SLOTS)
+ ring->start = 0;
+@@ -418,9 +471,6 @@ static int bgmac_dma_alloc(struct bgmac
ring = &bgmac->tx_ring[i];
ring->num_slots = BGMAC_TX_RING_SLOTS;
ring->mmio_base = ring_base[i];
/* Alloc ring of descriptors */
size = ring->num_slots * sizeof(struct bgmac_dma_desc);
-@@ -435,6 +445,13 @@ static int bgmac_dma_alloc(struct bgmac
+@@ -435,6 +485,13 @@ static int bgmac_dma_alloc(struct bgmac
if (ring->dma_base & 0xC0000000)
bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
/* No need to alloc TX slots yet */
}
-@@ -444,9 +461,6 @@ static int bgmac_dma_alloc(struct bgmac
+@@ -444,9 +501,6 @@ static int bgmac_dma_alloc(struct bgmac
ring = &bgmac->rx_ring[i];
ring->num_slots = BGMAC_RX_RING_SLOTS;
ring->mmio_base = ring_base[i];
/* Alloc ring of descriptors */
size = ring->num_slots * sizeof(struct bgmac_dma_desc);
-@@ -462,6 +476,13 @@ static int bgmac_dma_alloc(struct bgmac
+@@ -462,6 +516,13 @@ static int bgmac_dma_alloc(struct bgmac
if (ring->dma_base & 0xC0000000)
bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
/* Alloc RX slots */
for (j = 0; j < ring->num_slots; j++) {
err = bgmac_dma_rx_skb_for_slot(bgmac, &ring->slots[j]);
-@@ -489,12 +510,14 @@ static void bgmac_dma_init(struct bgmac
+@@ -482,19 +543,19 @@ err_dma_free:
+ static void bgmac_dma_init(struct bgmac *bgmac)
+ {
+ struct bgmac_dma_ring *ring;
+- struct bgmac_dma_desc *dma_desc;
+- u32 ctl0, ctl1;
+ int i;
+
for (i = 0; i < BGMAC_MAX_TX_RINGS; i++) {
ring = &bgmac->tx_ring[i];
ring->start = 0;
ring->end = 0; /* Points the slot that should *not* be read */
-@@ -505,12 +528,14 @@ static void bgmac_dma_init(struct bgmac
+@@ -505,32 +566,20 @@ static void bgmac_dma_init(struct bgmac
ring = &bgmac->rx_ring[i];
+ if (ring->unaligned)
+ bgmac_dma_rx_enable(bgmac, ring);
- for (j = 0, dma_desc = ring->cpu_base; j < ring->num_slots;
- j++, dma_desc++) {
-@@ -531,6 +556,7 @@ static void bgmac_dma_init(struct bgmac
- }
+- for (j = 0, dma_desc = ring->cpu_base; j < ring->num_slots;
+- j++, dma_desc++) {
+- ctl0 = ctl1 = 0;
+-
+- if (j == ring->num_slots - 1)
+- ctl0 |= BGMAC_DESC_CTL0_EOT;
+- ctl1 |= BGMAC_RX_BUF_SIZE & BGMAC_DESC_CTL1_LEN;
+- /* Is there any BGMAC device that requires extension? */
+- /* ctl1 |= (addrext << B43_DMA64_DCTL1_ADDREXT_SHIFT) &
+- * B43_DMA64_DCTL1_ADDREXT_MASK;
+- */
+-
+- dma_desc->addr_low = cpu_to_le32(lower_32_bits(ring->slots[j].dma_addr));
+- dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[j].dma_addr));
+- dma_desc->ctl0 = cpu_to_le32(ctl0);
+- dma_desc->ctl1 = cpu_to_le32(ctl1);
+- }
++ for (j = 0; j < ring->num_slots; j++)
++ bgmac_dma_rx_setup_desc(bgmac, ring, j);
bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_INDEX,
+ ring->index_base +
ring->num_slots * sizeof(struct bgmac_dma_desc));
ring->start = 0;
-@@ -909,9 +935,9 @@ static void bgmac_chip_reset(struct bgma
+@@ -909,9 +958,9 @@ static void bgmac_chip_reset(struct bgma
u8 et_swtype = 0;
u8 sw_type = BGMAC_CHIPCTL_1_SW_TYPE_EPHY |
BGMAC_CHIPCTL_1_IF_TYPE_MII;
if (kstrtou8(buf, 0, &et_swtype))
bgmac_err(bgmac, "Failed to parse et_swtype (%s)\n",
buf);
-@@ -970,6 +996,8 @@ static void bgmac_chip_reset(struct bgma
+@@ -970,6 +1019,8 @@ static void bgmac_chip_reset(struct bgma
bgmac_miiconfig(bgmac);
bgmac_phy_init(bgmac);
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
-@@ -1229,27 +1229,14 @@ static int bgmac_set_mac_address(struct
+@@ -1252,27 +1252,14 @@ static int bgmac_set_mac_address(struct
static int bgmac_ioctl(struct net_device *net_dev, struct ifreq *ifr, int cmd)
{
struct bgmac *bgmac = netdev_priv(net_dev);
}
static const struct net_device_ops bgmac_netdev_ops = {
-@@ -1271,61 +1258,16 @@ static int bgmac_get_settings(struct net
+@@ -1294,61 +1281,16 @@ static int bgmac_get_settings(struct net
{
struct bgmac *bgmac = netdev_priv(net_dev);
static void bgmac_get_drvinfo(struct net_device *net_dev,
struct ethtool_drvinfo *info)
-@@ -1336,6 +1278,7 @@ static void bgmac_get_drvinfo(struct net
+@@ -1359,6 +1301,7 @@ static void bgmac_get_drvinfo(struct net
static const struct ethtool_ops bgmac_ethtool_ops = {
.get_settings = bgmac_get_settings,
.get_drvinfo = bgmac_get_drvinfo,
};
-@@ -1354,10 +1297,36 @@ static int bgmac_mii_write(struct mii_bu
+@@ -1377,10 +1320,36 @@ static int bgmac_mii_write(struct mii_bu
return bgmac_phy_write(bus->priv, mii_id, regnum, value);
}
mii_bus = mdiobus_alloc();
if (!mii_bus)
-@@ -1388,7 +1357,28 @@ static int bgmac_mii_register(struct bgm
+@@ -1411,7 +1380,28 @@ static int bgmac_mii_register(struct bgm
bgmac->mii_bus = mii_bus;
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
-@@ -864,6 +864,8 @@ static void bgmac_speed(struct bgmac *bg
+@@ -887,6 +887,8 @@ static void bgmac_speed(struct bgmac *bg
set |= BGMAC_CMDCFG_ES_100;
if (speed & BGMAC_SPEED_1000)
set |= BGMAC_CMDCFG_ES_1000;
if (!bgmac->full_duplex)
set |= BGMAC_CMDCFG_HD;
bgmac_cmdcfg_maskset(bgmac, mask, set, true);
-@@ -871,13 +873,28 @@ static void bgmac_speed(struct bgmac *bg
+@@ -894,13 +896,28 @@ static void bgmac_speed(struct bgmac *bg
static void bgmac_miiconfig(struct bgmac *bgmac)
{
}
}
-@@ -923,7 +940,8 @@ static void bgmac_chip_reset(struct bgma
+@@ -946,7 +963,8 @@ static void bgmac_chip_reset(struct bgma
bcma_core_enable(core, flags);
bgmac_set(bgmac, BCMA_CLKCTLST, 1 << 8);
bgmac_wait_value(bgmac->core, BCMA_CLKCTLST, 1 << 24, 1 << 24,
1000);
-@@ -944,10 +962,13 @@ static void bgmac_chip_reset(struct bgma
+@@ -967,10 +985,13 @@ static void bgmac_chip_reset(struct bgma
et_swtype &= 0x0f;
et_swtype <<= 4;
sw_type = et_swtype;
sw_type = BGMAC_CHIPCTL_1_IF_TYPE_RGMII |
BGMAC_CHIPCTL_1_SW_TYPE_RGMII;
}
-@@ -1054,12 +1075,15 @@ static void bgmac_enable(struct bgmac *b
+@@ -1077,12 +1098,15 @@ static void bgmac_enable(struct bgmac *b
break;
}
#include <bcm47xx_nvram.h>
static const struct bcma_device_id bgmac_bcma_tbl[] = {
-@@ -1420,6 +1421,17 @@ static void bgmac_mii_unregister(struct
+@@ -1443,6 +1444,17 @@ static void bgmac_mii_unregister(struct
mdiobus_free(mii_bus);
}
/**************************************************
* BCMA bus ops
**************************************************/
-@@ -1519,6 +1531,16 @@ static int bgmac_probe(struct bcma_devic
+@@ -1542,6 +1554,16 @@ static int bgmac_probe(struct bcma_devic
goto err_dma_free;
}
err = register_netdev(bgmac->net_dev);
if (err) {
bgmac_err(bgmac, "Cannot register net device\n");
-@@ -1548,6 +1570,10 @@ static void bgmac_remove(struct bcma_dev
+@@ -1571,6 +1593,10 @@ static void bgmac_remove(struct bcma_dev
{
struct bgmac *bgmac = bcma_get_drvdata(core);
--- /dev/null
+patches for bgmac backported from net-next/master
+
+--- a/drivers/net/ethernet/broadcom/bgmac.c
++++ b/drivers/net/ethernet/broadcom/bgmac.c
+@@ -149,6 +149,8 @@ static netdev_tx_t bgmac_dma_tx_add(stru
+ dma_desc->ctl0 = cpu_to_le32(ctl0);
+ dma_desc->ctl1 = cpu_to_le32(ctl1);
+
++ netdev_sent_queue(net_dev, skb->len);
++
+ wmb();
+
+ /* Increase ring->end to point empty slot. We tell hardware the first
+@@ -178,6 +180,7 @@ static void bgmac_dma_tx_free(struct bgm
+ struct device *dma_dev = bgmac->core->dma_dev;
+ int empty_slot;
+ bool freed = false;
++ unsigned bytes_compl = 0, pkts_compl = 0;
+
+ /* The last slot that hardware didn't consume yet */
+ empty_slot = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_TX_STATUS);
+@@ -195,6 +198,9 @@ static void bgmac_dma_tx_free(struct bgm
+ slot->skb->len, DMA_TO_DEVICE);
+ slot->dma_addr = 0;
+
++ bytes_compl += slot->skb->len;
++ pkts_compl++;
++
+ /* Free memory! :) */
+ dev_kfree_skb(slot->skb);
+ slot->skb = NULL;
+@@ -208,6 +214,8 @@ static void bgmac_dma_tx_free(struct bgm
+ freed = true;
+ }
+
++ netdev_completed_queue(bgmac->net_dev, pkts_compl, bytes_compl);
++
+ if (freed && netif_queue_stopped(bgmac->net_dev))
+ netif_wake_queue(bgmac->net_dev);
+ }
+@@ -244,31 +252,59 @@ static int bgmac_dma_rx_skb_for_slot(str
+ struct bgmac_slot_info *slot)
+ {
+ struct device *dma_dev = bgmac->core->dma_dev;
++ struct sk_buff *skb;
++ dma_addr_t dma_addr;
+ struct bgmac_rx_header *rx;
+
+ /* Alloc skb */
+- slot->skb = netdev_alloc_skb(bgmac->net_dev, BGMAC_RX_BUF_SIZE);
+- if (!slot->skb)
++ skb = netdev_alloc_skb(bgmac->net_dev, BGMAC_RX_BUF_SIZE);
++ if (!skb)
+ return -ENOMEM;
+
+ /* Poison - if everything goes fine, hardware will overwrite it */
+- rx = (struct bgmac_rx_header *)slot->skb->data;
++ rx = (struct bgmac_rx_header *)skb->data;
+ rx->len = cpu_to_le16(0xdead);
+ rx->flags = cpu_to_le16(0xbeef);
+
+ /* Map skb for the DMA */
+- slot->dma_addr = dma_map_single(dma_dev, slot->skb->data,
+- BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
+- if (dma_mapping_error(dma_dev, slot->dma_addr)) {
++ dma_addr = dma_map_single(dma_dev, skb->data,
++ BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
++ if (dma_mapping_error(dma_dev, dma_addr)) {
+ bgmac_err(bgmac, "DMA mapping error\n");
++ dev_kfree_skb(skb);
+ return -ENOMEM;
+ }
++
++ /* Update the slot */
++ slot->skb = skb;
++ slot->dma_addr = dma_addr;
++
+ if (slot->dma_addr & 0xC0000000)
+ bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
+
+ return 0;
+ }
+
++static void bgmac_dma_rx_setup_desc(struct bgmac *bgmac,
++ struct bgmac_dma_ring *ring, int desc_idx)
++{
++ struct bgmac_dma_desc *dma_desc = ring->cpu_base + desc_idx;
++ u32 ctl0 = 0, ctl1 = 0;
++
++ if (desc_idx == ring->num_slots - 1)
++ ctl0 |= BGMAC_DESC_CTL0_EOT;
++ ctl1 |= BGMAC_RX_BUF_SIZE & BGMAC_DESC_CTL1_LEN;
++ /* Is there any BGMAC device that requires extension? */
++ /* ctl1 |= (addrext << B43_DMA64_DCTL1_ADDREXT_SHIFT) &
++ * B43_DMA64_DCTL1_ADDREXT_MASK;
++ */
++
++ dma_desc->addr_low = cpu_to_le32(lower_32_bits(ring->slots[desc_idx].dma_addr));
++ dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[desc_idx].dma_addr));
++ dma_desc->ctl0 = cpu_to_le32(ctl0);
++ dma_desc->ctl1 = cpu_to_le32(ctl1);
++}
++
+ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,
+ int weight)
+ {
+@@ -287,7 +323,6 @@ static int bgmac_dma_rx_read(struct bgma
+ struct device *dma_dev = bgmac->core->dma_dev;
+ struct bgmac_slot_info *slot = &ring->slots[ring->start];
+ struct sk_buff *skb = slot->skb;
+- struct sk_buff *new_skb;
+ struct bgmac_rx_header *rx;
+ u16 len, flags;
+
+@@ -300,38 +335,51 @@ static int bgmac_dma_rx_read(struct bgma
+ len = le16_to_cpu(rx->len);
+ flags = le16_to_cpu(rx->flags);
+
+- /* Check for poison and drop or pass the packet */
+- if (len == 0xdead && flags == 0xbeef) {
+- bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
+- ring->start);
+- } else {
++ do {
++ dma_addr_t old_dma_addr = slot->dma_addr;
++ int err;
++
++ /* Check for poison and drop or pass the packet */
++ if (len == 0xdead && flags == 0xbeef) {
++ bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
++ ring->start);
++ dma_sync_single_for_device(dma_dev,
++ slot->dma_addr,
++ BGMAC_RX_BUF_SIZE,
++ DMA_FROM_DEVICE);
++ break;
++ }
++
+ /* Omit CRC. */
+ len -= ETH_FCS_LEN;
+
+- new_skb = netdev_alloc_skb_ip_align(bgmac->net_dev, len);
+- if (new_skb) {
+- skb_put(new_skb, len);
+- skb_copy_from_linear_data_offset(skb, BGMAC_RX_FRAME_OFFSET,
+- new_skb->data,
+- len);
+- skb_checksum_none_assert(skb);
+- new_skb->protocol =
+- eth_type_trans(new_skb, bgmac->net_dev);
+- netif_receive_skb(new_skb);
+- handled++;
+- } else {
+- bgmac->net_dev->stats.rx_dropped++;
+- bgmac_err(bgmac, "Allocation of skb for copying packet failed!\n");
++ /* Prepare new skb as replacement */
++ err = bgmac_dma_rx_skb_for_slot(bgmac, slot);
++ if (err) {
++ /* Poison the old skb */
++ rx->len = cpu_to_le16(0xdead);
++ rx->flags = cpu_to_le16(0xbeef);
++
++ dma_sync_single_for_device(dma_dev,
++ slot->dma_addr,
++ BGMAC_RX_BUF_SIZE,
++ DMA_FROM_DEVICE);
++ break;
+ }
++ bgmac_dma_rx_setup_desc(bgmac, ring, ring->start);
+
+- /* Poison the old skb */
+- rx->len = cpu_to_le16(0xdead);
+- rx->flags = cpu_to_le16(0xbeef);
+- }
+-
+- /* Make it back accessible to the hardware */
+- dma_sync_single_for_device(dma_dev, slot->dma_addr,
+- BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
++ /* Unmap old skb, we'll pass it to the netfif */
++ dma_unmap_single(dma_dev, old_dma_addr,
++ BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
++
++ skb_put(skb, BGMAC_RX_FRAME_OFFSET + len);
++ skb_pull(skb, BGMAC_RX_FRAME_OFFSET);
++
++ skb_checksum_none_assert(skb);
++ skb->protocol = eth_type_trans(skb, bgmac->net_dev);
++ netif_receive_skb(skb);
++ handled++;
++ } while (0);
+
+ if (++ring->start >= BGMAC_RX_RING_SLOTS)
+ ring->start = 0;
+@@ -495,8 +543,6 @@ err_dma_free:
+ static void bgmac_dma_init(struct bgmac *bgmac)
+ {
+ struct bgmac_dma_ring *ring;
+- struct bgmac_dma_desc *dma_desc;
+- u32 ctl0, ctl1;
+ int i;
+
+ for (i = 0; i < BGMAC_MAX_TX_RINGS; i++) {
+@@ -529,23 +575,8 @@ static void bgmac_dma_init(struct bgmac
+ if (ring->unaligned)
+ bgmac_dma_rx_enable(bgmac, ring);
+
+- for (j = 0, dma_desc = ring->cpu_base; j < ring->num_slots;
+- j++, dma_desc++) {
+- ctl0 = ctl1 = 0;
+-
+- if (j == ring->num_slots - 1)
+- ctl0 |= BGMAC_DESC_CTL0_EOT;
+- ctl1 |= BGMAC_RX_BUF_SIZE & BGMAC_DESC_CTL1_LEN;
+- /* Is there any BGMAC device that requires extension? */
+- /* ctl1 |= (addrext << B43_DMA64_DCTL1_ADDREXT_SHIFT) &
+- * B43_DMA64_DCTL1_ADDREXT_MASK;
+- */
+-
+- dma_desc->addr_low = cpu_to_le32(lower_32_bits(ring->slots[j].dma_addr));
+- dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[j].dma_addr));
+- dma_desc->ctl0 = cpu_to_le32(ctl0);
+- dma_desc->ctl1 = cpu_to_le32(ctl1);
+- }
++ for (j = 0; j < ring->num_slots; j++)
++ bgmac_dma_rx_setup_desc(bgmac, ring, j);
+
+ bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_INDEX,
+ ring->index_base +
+@@ -988,6 +1019,8 @@ static void bgmac_chip_reset(struct bgma
+ bgmac_miiconfig(bgmac);
+ bgmac_phy_init(bgmac);
+
++ netdev_reset_queue(bgmac->net_dev);
++
+ bgmac->int_status = 0;
+ }
+
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
-@@ -1219,27 +1219,14 @@ static int bgmac_set_mac_address(struct
+@@ -1252,27 +1252,14 @@ static int bgmac_set_mac_address(struct
static int bgmac_ioctl(struct net_device *net_dev, struct ifreq *ifr, int cmd)
{
struct bgmac *bgmac = netdev_priv(net_dev);
}
static const struct net_device_ops bgmac_netdev_ops = {
-@@ -1261,61 +1248,16 @@ static int bgmac_get_settings(struct net
+@@ -1294,61 +1281,16 @@ static int bgmac_get_settings(struct net
{
struct bgmac *bgmac = netdev_priv(net_dev);
static void bgmac_get_drvinfo(struct net_device *net_dev,
struct ethtool_drvinfo *info)
-@@ -1326,6 +1268,7 @@ static void bgmac_get_drvinfo(struct net
+@@ -1359,6 +1301,7 @@ static void bgmac_get_drvinfo(struct net
static const struct ethtool_ops bgmac_ethtool_ops = {
.get_settings = bgmac_get_settings,
.get_drvinfo = bgmac_get_drvinfo,
};
-@@ -1344,10 +1287,36 @@ static int bgmac_mii_write(struct mii_bu
+@@ -1377,10 +1320,36 @@ static int bgmac_mii_write(struct mii_bu
return bgmac_phy_write(bus->priv, mii_id, regnum, value);
}
mii_bus = mdiobus_alloc();
if (!mii_bus)
-@@ -1378,7 +1347,28 @@ static int bgmac_mii_register(struct bgm
+@@ -1411,7 +1380,28 @@ static int bgmac_mii_register(struct bgm
bgmac->mii_bus = mii_bus;
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
-@@ -856,6 +856,8 @@ static void bgmac_speed(struct bgmac *bg
+@@ -887,6 +887,8 @@ static void bgmac_speed(struct bgmac *bg
set |= BGMAC_CMDCFG_ES_100;
if (speed & BGMAC_SPEED_1000)
set |= BGMAC_CMDCFG_ES_1000;
if (!bgmac->full_duplex)
set |= BGMAC_CMDCFG_HD;
bgmac_cmdcfg_maskset(bgmac, mask, set, true);
-@@ -863,13 +865,28 @@ static void bgmac_speed(struct bgmac *bg
+@@ -894,13 +896,28 @@ static void bgmac_speed(struct bgmac *bg
static void bgmac_miiconfig(struct bgmac *bgmac)
{
}
}
-@@ -915,7 +932,8 @@ static void bgmac_chip_reset(struct bgma
+@@ -946,7 +963,8 @@ static void bgmac_chip_reset(struct bgma
bcma_core_enable(core, flags);
bgmac_set(bgmac, BCMA_CLKCTLST, 1 << 8);
bgmac_wait_value(bgmac->core, BCMA_CLKCTLST, 1 << 24, 1 << 24,
1000);
-@@ -936,10 +954,13 @@ static void bgmac_chip_reset(struct bgma
+@@ -967,10 +985,13 @@ static void bgmac_chip_reset(struct bgma
et_swtype &= 0x0f;
et_swtype <<= 4;
sw_type = et_swtype;
sw_type = BGMAC_CHIPCTL_1_IF_TYPE_RGMII |
BGMAC_CHIPCTL_1_SW_TYPE_RGMII;
}
-@@ -1044,12 +1065,15 @@ static void bgmac_enable(struct bgmac *b
+@@ -1077,12 +1098,15 @@ static void bgmac_enable(struct bgmac *b
break;
}
#include <bcm47xx_nvram.h>
static const struct bcma_device_id bgmac_bcma_tbl[] = {
-@@ -1410,6 +1411,17 @@ static void bgmac_mii_unregister(struct
+@@ -1443,6 +1444,17 @@ static void bgmac_mii_unregister(struct
mdiobus_free(mii_bus);
}
/**************************************************
* BCMA bus ops
**************************************************/
-@@ -1509,6 +1521,16 @@ static int bgmac_probe(struct bcma_devic
+@@ -1542,6 +1554,16 @@ static int bgmac_probe(struct bcma_devic
goto err_dma_free;
}
err = register_netdev(bgmac->net_dev);
if (err) {
bgmac_err(bgmac, "Cannot register net device\n");
-@@ -1538,6 +1560,10 @@ static void bgmac_remove(struct bcma_dev
+@@ -1571,6 +1593,10 @@ static void bgmac_remove(struct bcma_dev
{
struct bgmac *bgmac = bcma_get_drvdata(core);
projects / openwrt / staging / nbd.git / commitdiff