[LEDE-DEV] [PATCH] kernel: bump kernel 4.9 to 4.9.92
Koen Vandeputte
koen.vandeputte at ncentric.com
Thu Apr 5 04:03:36 PDT 2018
Refreshed all patches.
Compile-tested on: ar71xx
Runtime-tested on: ar71xx
Signed-off-by: Koen Vandeputte <koen.vandeputte at ncentric.com>
---
include/kernel-version.mk | 4 +-
...-detect-JEDEC-incompatible-w25q128-using-.patch | 2 +-
...80-NET-skip-GRO-for-foreign-MAC-addresses.patch | 10 +-
.../202-core-linux-support-layerscape.patch | 2 +-
.../401-mtd-spi-nor-support-layerscape.patch | 14 +-
...53-mtd-spi-nor-add-w25q256-3b-mode-switch.patch | 10 +-
.../0054-mtd-add-chunked-read-io-to-m25p80.patch | 6 +-
.../sunxi/patches-4.9/0052-stmmac-form-4-12.patch | 386 +++++++++++----------
8 files changed, 228 insertions(+), 206 deletions(-)
diff --git a/include/kernel-version.mk b/include/kernel-version.mk
index 4be674ccdde7..8b3187b7085d 100644
--- a/include/kernel-version.mk
+++ b/include/kernel-version.mk
@@ -4,12 +4,12 @@ LINUX_RELEASE?=1
LINUX_VERSION-3.18 = .71
LINUX_VERSION-4.4 = .121
-LINUX_VERSION-4.9 = .91
+LINUX_VERSION-4.9 = .92
LINUX_VERSION-4.14 = .32
LINUX_KERNEL_HASH-3.18.71 = 5abc9778ad44ce02ed6c8ab52ece8a21c6d20d21f6ed8a19287b4a38a50c1240
LINUX_KERNEL_HASH-4.4.121 = 44a88268b5088dc326b30c9b9133ac35a9a200b636b7268d08f32abeae6ca729
-LINUX_KERNEL_HASH-4.9.91 = 60caa752ec9fa1c426f6a2f37db3f268d0961b67a723b6443949112167b39832
+LINUX_KERNEL_HASH-4.9.92 = 028dab1ee686b7bcf70ccd623828162ad2da63c73e6f0d88a6e622a3fe786e64
LINUX_KERNEL_HASH-4.14.32 = cb0979bec663089a43b10cfbeae0cf9673544b0ff5968c33ede614ec0f43b680
remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1))))
diff --git a/target/linux/bcm53xx/patches-4.9/400-mtd-spi-nor-detect-JEDEC-incompatible-w25q128-using-.patch b/target/linux/bcm53xx/patches-4.9/400-mtd-spi-nor-detect-JEDEC-incompatible-w25q128-using-.patch
index 665c9786c76d..caed9ec41db3 100644
--- a/target/linux/bcm53xx/patches-4.9/400-mtd-spi-nor-detect-JEDEC-incompatible-w25q128-using-.patch
+++ b/target/linux/bcm53xx/patches-4.9/400-mtd-spi-nor-detect-JEDEC-incompatible-w25q128-using-.patch
@@ -13,7 +13,7 @@ Signed-off-by: Rafał Miłecki <zajec5 at gmail.com>
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -1190,6 +1190,18 @@ static const struct flash_info *spi_nor_
+@@ -1194,6 +1194,18 @@ static const struct flash_info *spi_nor_
}
dev_err(nor->dev, "unrecognized JEDEC id bytes: %02x, %02x, %02x\n",
id[0], id[1], id[2]);
diff --git a/target/linux/generic/pending-4.9/680-NET-skip-GRO-for-foreign-MAC-addresses.patch b/target/linux/generic/pending-4.9/680-NET-skip-GRO-for-foreign-MAC-addresses.patch
index 86a64d84245b..4d1f6c4c2b9c 100644
--- a/target/linux/generic/pending-4.9/680-NET-skip-GRO-for-foreign-MAC-addresses.patch
+++ b/target/linux/generic/pending-4.9/680-NET-skip-GRO-for-foreign-MAC-addresses.patch
@@ -34,7 +34,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
__u16 tc_index; /* traffic control index */
--- a/net/core/dev.c
+++ b/net/core/dev.c
-@@ -4542,6 +4542,9 @@ static enum gro_result dev_gro_receive(s
+@@ -4550,6 +4550,9 @@ static enum gro_result dev_gro_receive(s
enum gro_result ret;
int grow;
@@ -44,7 +44,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
if (!(skb->dev->features & NETIF_F_GRO))
goto normal;
-@@ -5830,6 +5833,48 @@ static void __netdev_adjacent_dev_unlink
+@@ -5838,6 +5841,48 @@ static void __netdev_adjacent_dev_unlink
&upper_dev->adj_list.lower);
}
@@ -93,7 +93,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
static int __netdev_upper_dev_link(struct net_device *dev,
struct net_device *upper_dev, bool master,
void *upper_priv, void *upper_info)
-@@ -5902,6 +5947,7 @@ static int __netdev_upper_dev_link(struc
+@@ -5910,6 +5955,7 @@ static int __netdev_upper_dev_link(struc
goto rollback_lower_mesh;
}
@@ -101,7 +101,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
ret = call_netdevice_notifiers_info(NETDEV_CHANGEUPPER, dev,
&changeupper_info.info);
ret = notifier_to_errno(ret);
-@@ -6028,6 +6074,7 @@ void netdev_upper_dev_unlink(struct net_
+@@ -6036,6 +6082,7 @@ void netdev_upper_dev_unlink(struct net_
list_for_each_entry(i, &upper_dev->all_adj_list.upper, list)
__netdev_adjacent_dev_unlink(dev, i->dev, i->ref_nr);
@@ -109,7 +109,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
call_netdevice_notifiers_info(NETDEV_CHANGEUPPER, dev,
&changeupper_info.info);
}
-@@ -6628,6 +6675,7 @@ int dev_set_mac_address(struct net_devic
+@@ -6636,6 +6683,7 @@ int dev_set_mac_address(struct net_devic
if (err)
return err;
dev->addr_assign_type = NET_ADDR_SET;
diff --git a/target/linux/layerscape/patches-4.9/202-core-linux-support-layerscape.patch b/target/linux/layerscape/patches-4.9/202-core-linux-support-layerscape.patch
index 77e54f83403e..a284d8bbd47a 100644
--- a/target/linux/layerscape/patches-4.9/202-core-linux-support-layerscape.patch
+++ b/target/linux/layerscape/patches-4.9/202-core-linux-support-layerscape.patch
@@ -421,7 +421,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu at nxp.com>
* These are the defined Ethernet Protocol ID's.
--- a/net/core/dev.c
+++ b/net/core/dev.c
-@@ -6622,9 +6622,18 @@ int dev_set_mtu(struct net_device *dev,
+@@ -6630,9 +6630,18 @@ int dev_set_mtu(struct net_device *dev,
if (new_mtu == dev->mtu)
return 0;
diff --git a/target/linux/layerscape/patches-4.9/401-mtd-spi-nor-support-layerscape.patch b/target/linux/layerscape/patches-4.9/401-mtd-spi-nor-support-layerscape.patch
index 6ffc2e1097fb..9d849686080c 100644
--- a/target/linux/layerscape/patches-4.9/401-mtd-spi-nor-support-layerscape.patch
+++ b/target/linux/layerscape/patches-4.9/401-mtd-spi-nor-support-layerscape.patch
@@ -768,7 +768,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu at nxp.com>
{ "w25q32", INFO(0xef4016, 0, 64 * 1024, 64, SECT_4K) },
{
"w25q32dw", INFO(0xef6016, 0, 64 * 1024, 64,
-@@ -1192,6 +1216,53 @@ static const struct flash_info *spi_nor_
+@@ -1196,6 +1220,53 @@ static const struct flash_info *spi_nor_
id[0], id[1], id[2]);
return ERR_PTR(-ENODEV);
}
@@ -822,7 +822,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu at nxp.com>
static int spi_nor_read(struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, u_char *buf)
-@@ -1411,7 +1482,7 @@ static int macronix_quad_enable(struct s
+@@ -1415,7 +1486,7 @@ static int macronix_quad_enable(struct s
* Write status Register and configuration register with 2 bytes
* The first byte will be written to the status register, while the
* second byte will be written to the configuration register.
@@ -831,7 +831,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu at nxp.com>
*/
static int write_sr_cr(struct spi_nor *nor, u16 val)
{
-@@ -1459,6 +1530,24 @@ static int spansion_quad_enable(struct s
+@@ -1463,6 +1534,24 @@ static int spansion_quad_enable(struct s
return 0;
}
@@ -856,7 +856,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu at nxp.com>
static int set_quad_mode(struct spi_nor *nor, const struct flash_info *info)
{
int status;
-@@ -1605,9 +1694,25 @@ int spi_nor_scan(struct spi_nor *nor, co
+@@ -1609,9 +1698,25 @@ int spi_nor_scan(struct spi_nor *nor, co
write_sr(nor, 0);
spi_nor_wait_till_ready(nor);
}
@@ -882,7 +882,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu at nxp.com>
mtd->priv = nor;
mtd->type = MTD_NORFLASH;
mtd->writesize = 1;
-@@ -1641,6 +1746,8 @@ int spi_nor_scan(struct spi_nor *nor, co
+@@ -1645,6 +1750,8 @@ int spi_nor_scan(struct spi_nor *nor, co
nor->flags |= SNOR_F_USE_FSR;
if (info->flags & SPI_NOR_HAS_TB)
nor->flags |= SNOR_F_HAS_SR_TB;
@@ -891,7 +891,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu at nxp.com>
#ifdef CONFIG_MTD_SPI_NOR_USE_4K_SECTORS
/* prefer "small sector" erase if possible */
-@@ -1680,9 +1787,15 @@ int spi_nor_scan(struct spi_nor *nor, co
+@@ -1684,9 +1791,15 @@ int spi_nor_scan(struct spi_nor *nor, co
/* Some devices cannot do fast-read, no matter what DT tells us */
if (info->flags & SPI_NOR_NO_FR)
nor->flash_read = SPI_NOR_NORMAL;
@@ -910,7 +910,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu at nxp.com>
ret = set_quad_mode(nor, info);
if (ret) {
dev_err(dev, "quad mode not supported\n");
-@@ -1695,6 +1808,9 @@ int spi_nor_scan(struct spi_nor *nor, co
+@@ -1699,6 +1812,9 @@ int spi_nor_scan(struct spi_nor *nor, co
/* Default commands */
switch (nor->flash_read) {
diff --git a/target/linux/ramips/patches-4.9/0053-mtd-spi-nor-add-w25q256-3b-mode-switch.patch b/target/linux/ramips/patches-4.9/0053-mtd-spi-nor-add-w25q256-3b-mode-switch.patch
index c43dd03eeb03..a27f922a0462 100644
--- a/target/linux/ramips/patches-4.9/0053-mtd-spi-nor-add-w25q256-3b-mode-switch.patch
+++ b/target/linux/ramips/patches-4.9/0053-mtd-spi-nor-add-w25q256-3b-mode-switch.patch
@@ -125,7 +125,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
/* Catalyst / On Semiconductor -- non-JEDEC */
{ "cat25c11", CAT25_INFO( 16, 8, 16, 1, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
-@@ -1205,6 +1257,9 @@ static int spi_nor_read(struct mtd_info
+@@ -1209,6 +1261,9 @@ static int spi_nor_read(struct mtd_info
if (ret)
return ret;
@@ -135,7 +135,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
while (len) {
loff_t addr = from;
-@@ -1229,6 +1284,18 @@ static int spi_nor_read(struct mtd_info
+@@ -1233,6 +1288,18 @@ static int spi_nor_read(struct mtd_info
ret = 0;
read_err:
@@ -154,7 +154,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_READ);
return ret;
}
-@@ -1330,6 +1397,10 @@ static int spi_nor_write(struct mtd_info
+@@ -1334,6 +1401,10 @@ static int spi_nor_write(struct mtd_info
if (ret)
return ret;
@@ -165,7 +165,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
for (i = 0; i < len; ) {
ssize_t written;
loff_t addr = to + i;
-@@ -1377,6 +1448,7 @@ static int spi_nor_write(struct mtd_info
+@@ -1381,6 +1452,7 @@ static int spi_nor_write(struct mtd_info
}
write_err:
@@ -173,7 +173,7 @@ Signed-off-by: Felix Fietkau <nbd at nbd.name>
spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_WRITE);
return ret;
}
-@@ -1719,8 +1791,10 @@ int spi_nor_scan(struct spi_nor *nor, co
+@@ -1723,8 +1795,10 @@ int spi_nor_scan(struct spi_nor *nor, co
else if (mtd->size > 0x1000000) {
/* enable 4-byte addressing if the device exceeds 16MiB */
nor->addr_width = 4;
diff --git a/target/linux/ramips/patches-4.9/0054-mtd-add-chunked-read-io-to-m25p80.patch b/target/linux/ramips/patches-4.9/0054-mtd-add-chunked-read-io-to-m25p80.patch
index d6133e15965e..4045376842c5 100644
--- a/target/linux/ramips/patches-4.9/0054-mtd-add-chunked-read-io-to-m25p80.patch
+++ b/target/linux/ramips/patches-4.9/0054-mtd-add-chunked-read-io-to-m25p80.patch
@@ -1,6 +1,6 @@
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -1453,6 +1453,67 @@ write_err:
+@@ -1457,6 +1457,67 @@ write_err:
return ret;
}
@@ -68,7 +68,7 @@
static int macronix_quad_enable(struct spi_nor *nor)
{
int ret, val;
-@@ -1704,10 +1765,12 @@ int spi_nor_scan(struct spi_nor *nor, co
+@@ -1708,10 +1769,12 @@ int spi_nor_scan(struct spi_nor *nor, co
}
/* sst nor chips use AAI word program */
@@ -83,7 +83,7 @@
if (info->flags & USE_FSR)
nor->flags |= SNOR_F_USE_FSR;
-@@ -1739,11 +1802,20 @@ int spi_nor_scan(struct spi_nor *nor, co
+@@ -1743,11 +1806,20 @@ int spi_nor_scan(struct spi_nor *nor, co
mtd->writebufsize = nor->page_size;
if (np) {
diff --git a/target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch b/target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch
index 1356a4b9e97a..182648b98fa7 100644
--- a/target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch
+++ b/target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch
@@ -2887,7 +2887,7 @@
+
+ /* Display RX ring */
+ priv->hw->desc->display_ring(head_rx, DMA_RX_SIZE, true);
- }
++ }
+}
+
+static void stmmac_display_tx_rings(struct stmmac_priv *priv)
@@ -2906,15 +2906,15 @@
+ head_tx = (void *)tx_q->dma_etx;
+ else
+ head_tx = (void *)tx_q->dma_tx;
++
++ priv->hw->desc->display_ring(head_tx, DMA_TX_SIZE, false);
+ }
++}
- /* Display Rx ring */
- priv->hw->desc->display_ring(head_rx, DMA_RX_SIZE, true);
- /* Display Tx ring */
- priv->hw->desc->display_ring(head_tx, DMA_TX_SIZE, false);
-+ priv->hw->desc->display_ring(head_tx, DMA_TX_SIZE, false);
-+ }
-+}
-+
+static void stmmac_display_rings(struct stmmac_priv *priv)
+{
+ /* Display RX ring */
@@ -3131,7 +3131,7 @@
if (priv->hw->mode->set_16kib_bfsize)
bfsize = priv->hw->mode->set_16kib_bfsize(dev->mtu);
-@@ -1024,235 +1234,409 @@ static int init_dma_desc_rings(struct ne
+@@ -1024,257 +1234,516 @@ static int init_dma_desc_rings(struct ne
priv->dma_buf_sz = bfsize;
@@ -3163,7 +3163,10 @@
+ p = &((rx_q->dma_erx + i)->basic);
+ else
+ p = rx_q->dma_rx + i;
-+
+
+- ret = stmmac_init_rx_buffers(priv, p, i, flags);
+- if (ret)
+- goto err_init_rx_buffers;
+ ret = stmmac_init_rx_buffers(priv, p, i, flags,
+ queue);
+ if (ret)
@@ -3173,18 +3176,15 @@
+ rx_q->rx_skbuff[i], rx_q->rx_skbuff[i]->data,
+ (unsigned int)rx_q->rx_skbuff_dma[i]);
+ }
-
-- ret = stmmac_init_rx_buffers(priv, p, i, flags);
-- if (ret)
-- goto err_init_rx_buffers;
++
+ rx_q->cur_rx = 0;
+ rx_q->dirty_rx = (unsigned int)(i - DMA_RX_SIZE);
++
++ stmmac_clear_rx_descriptors(priv, queue);
- netif_dbg(priv, probe, priv->dev, "[%p]\t[%p]\t[%x]\n",
- priv->rx_skbuff[i], priv->rx_skbuff[i]->data,
- (unsigned int)priv->rx_skbuff_dma[i]);
-+ stmmac_clear_rx_descriptors(priv, queue);
-+
+ /* Setup the chained descriptor addresses */
+ if (priv->mode == STMMAC_CHAIN_MODE) {
+ if (priv->extend_desc)
@@ -3277,8 +3277,13 @@
+ priv->hw->mode->init(tx_q->dma_tx,
+ tx_q->dma_tx_phy,
+ DMA_TX_SIZE, 0);
-+ }
-+
+ }
+
+- priv->tx_skbuff_dma[i].buf = 0;
+- priv->tx_skbuff_dma[i].map_as_page = false;
+- priv->tx_skbuff_dma[i].len = 0;
+- priv->tx_skbuff_dma[i].last_segment = false;
+- priv->tx_skbuff[i] = NULL;
+ for (i = 0; i < DMA_TX_SIZE; i++) {
+ struct dma_desc *p;
+ if (priv->extend_desc)
@@ -3300,13 +3305,8 @@
+ tx_q->tx_skbuff_dma[i].len = 0;
+ tx_q->tx_skbuff_dma[i].last_segment = false;
+ tx_q->tx_skbuff[i] = NULL;
- }
-
-- priv->tx_skbuff_dma[i].buf = 0;
-- priv->tx_skbuff_dma[i].map_as_page = false;
-- priv->tx_skbuff_dma[i].len = 0;
-- priv->tx_skbuff_dma[i].last_segment = false;
-- priv->tx_skbuff[i] = NULL;
++ }
++
+ tx_q->dirty_tx = 0;
+ tx_q->cur_tx = 0;
+
@@ -3387,17 +3387,10 @@
- priv->tx_skbuff_dma[i].buf,
- priv->tx_skbuff_dma[i].len,
- DMA_TO_DEVICE);
-- }
+ for (i = 0; i < DMA_TX_SIZE; i++)
+ stmmac_free_tx_buffer(priv, queue, i);
+}
-
-- if (priv->tx_skbuff[i]) {
-- dev_kfree_skb_any(priv->tx_skbuff[i]);
-- priv->tx_skbuff[i] = NULL;
-- priv->tx_skbuff_dma[i].buf = 0;
-- priv->tx_skbuff_dma[i].map_as_page = false;
-- }
++
+/**
+ * free_dma_rx_desc_resources - free RX dma desc resources
+ * @priv: private structure
@@ -3426,11 +3419,10 @@
+
+ kfree(rx_q->rx_skbuff_dma);
+ kfree(rx_q->rx_skbuff);
- }
- }
-
- /**
-- * alloc_dma_desc_resources - alloc TX/RX resources.
++ }
++}
++
++/**
+ * free_dma_tx_desc_resources - free TX dma desc resources
+ * @priv: private structure
+ */
@@ -3463,90 +3455,36 @@
+
+/**
+ * alloc_dma_rx_desc_resources - alloc RX resources.
- * @priv: private structure
- * Description: according to which descriptor can be used (extend or basic)
- * this function allocates the resources for TX and RX paths. In case of
- * reception, for example, it pre-allocated the RX socket buffer in order to
- * allow zero-copy mechanism.
- */
--static int alloc_dma_desc_resources(struct stmmac_priv *priv)
++ * @priv: private structure
++ * Description: according to which descriptor can be used (extend or basic)
++ * this function allocates the resources for TX and RX paths. In case of
++ * reception, for example, it pre-allocated the RX socket buffer in order to
++ * allow zero-copy mechanism.
++ */
+static int alloc_dma_rx_desc_resources(struct stmmac_priv *priv)
- {
++{
+ u32 rx_count = priv->plat->rx_queues_to_use;
- int ret = -ENOMEM;
++ int ret = -ENOMEM;
+ u32 queue;
-
-- priv->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE, sizeof(dma_addr_t),
-- GFP_KERNEL);
-- if (!priv->rx_skbuff_dma)
-- return -ENOMEM;
++
+ /* RX queues buffers and DMA */
+ for (queue = 0; queue < rx_count; queue++) {
+ struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
-
-- priv->rx_skbuff = kmalloc_array(DMA_RX_SIZE, sizeof(struct sk_buff *),
-- GFP_KERNEL);
-- if (!priv->rx_skbuff)
-- goto err_rx_skbuff;
--
-- priv->tx_skbuff_dma = kmalloc_array(DMA_TX_SIZE,
-- sizeof(*priv->tx_skbuff_dma),
-- GFP_KERNEL);
-- if (!priv->tx_skbuff_dma)
-- goto err_tx_skbuff_dma;
--
-- priv->tx_skbuff = kmalloc_array(DMA_TX_SIZE, sizeof(struct sk_buff *),
-- GFP_KERNEL);
-- if (!priv->tx_skbuff)
-- goto err_tx_skbuff;
--
-- if (priv->extend_desc) {
-- priv->dma_erx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE *
-- sizeof(struct
-- dma_extended_desc),
-- &priv->dma_rx_phy,
-- GFP_KERNEL);
-- if (!priv->dma_erx)
-- goto err_dma;
++
+ rx_q->queue_index = queue;
+ rx_q->priv_data = priv;
-
-- priv->dma_etx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE *
-- sizeof(struct
-- dma_extended_desc),
-- &priv->dma_tx_phy,
++
+ rx_q->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE,
+ sizeof(dma_addr_t),
- GFP_KERNEL);
-- if (!priv->dma_etx) {
-- dma_free_coherent(priv->device, DMA_RX_SIZE *
-- sizeof(struct dma_extended_desc),
-- priv->dma_erx, priv->dma_rx_phy);
-- goto err_dma;
-- }
-- } else {
-- priv->dma_rx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE *
-- sizeof(struct dma_desc),
-- &priv->dma_rx_phy,
-- GFP_KERNEL);
-- if (!priv->dma_rx)
-- goto err_dma;
++ GFP_KERNEL);
+ if (!rx_q->rx_skbuff_dma)
+ return -ENOMEM;
-
-- priv->dma_tx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE *
-- sizeof(struct dma_desc),
-- &priv->dma_tx_phy,
-- GFP_KERNEL);
-- if (!priv->dma_tx) {
-- dma_free_coherent(priv->device, DMA_RX_SIZE *
-- sizeof(struct dma_desc),
-- priv->dma_rx, priv->dma_rx_phy);
++
+ rx_q->rx_skbuff = kmalloc_array(DMA_RX_SIZE,
+ sizeof(struct sk_buff *),
+ GFP_KERNEL);
+ if (!rx_q->rx_skbuff)
- goto err_dma;
++ goto err_dma;
+
+ if (priv->extend_desc) {
+ rx_q->dma_erx = dma_zalloc_coherent(priv->device,
@@ -3567,19 +3505,12 @@
+ GFP_KERNEL);
+ if (!rx_q->dma_rx)
+ goto err_dma;
- }
- }
-
- return 0;
-
- err_dma:
-- kfree(priv->tx_skbuff);
--err_tx_skbuff:
-- kfree(priv->tx_skbuff_dma);
--err_tx_skbuff_dma:
-- kfree(priv->rx_skbuff);
--err_rx_skbuff:
-- kfree(priv->rx_skbuff_dma);
++ }
++ }
++
++ return 0;
++
++err_dma:
+ free_dma_rx_desc_resources(priv);
+
+ return ret;
@@ -3636,7 +3567,7 @@
+ GFP_KERNEL);
+ if (!tx_q->dma_tx)
+ goto err_dma_buffers;
-+ }
+ }
+ }
+
+ return 0;
@@ -3644,9 +3575,9 @@
+err_dma_buffers:
+ free_dma_tx_desc_resources(priv);
+
- return ret;
- }
-
++ return ret;
++}
++
+/**
+ * alloc_dma_desc_resources - alloc TX/RX resources.
+ * @priv: private structure
@@ -3672,78 +3603,119 @@
+ * free_dma_desc_resources - free dma desc resources
+ * @priv: private structure
+ */
- static void free_dma_desc_resources(struct stmmac_priv *priv)
- {
-- /* Release the DMA TX/RX socket buffers */
-- dma_free_rx_skbufs(priv);
-- dma_free_tx_skbufs(priv);
--
-- /* Free DMA regions of consistent memory previously allocated */
-- if (!priv->extend_desc) {
-- dma_free_coherent(priv->device,
-- DMA_TX_SIZE * sizeof(struct dma_desc),
-- priv->dma_tx, priv->dma_tx_phy);
-- dma_free_coherent(priv->device,
-- DMA_RX_SIZE * sizeof(struct dma_desc),
-- priv->dma_rx, priv->dma_rx_phy);
-- } else {
-- dma_free_coherent(priv->device, DMA_TX_SIZE *
-- sizeof(struct dma_extended_desc),
-- priv->dma_etx, priv->dma_tx_phy);
-- dma_free_coherent(priv->device, DMA_RX_SIZE *
-- sizeof(struct dma_extended_desc),
-- priv->dma_erx, priv->dma_rx_phy);
-- }
-- kfree(priv->rx_skbuff_dma);
-- kfree(priv->rx_skbuff);
-- kfree(priv->tx_skbuff_dma);
-- kfree(priv->tx_skbuff);
++static void free_dma_desc_resources(struct stmmac_priv *priv)
++{
+ /* Release the DMA RX socket buffers */
+ free_dma_rx_desc_resources(priv);
+
+ /* Release the DMA TX socket buffers */
+ free_dma_tx_desc_resources(priv);
- }
-
- /**
-@@ -1262,19 +1646,104 @@ static void free_dma_desc_resources(stru
- */
- static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv)
- {
-- int rx_count = priv->dma_cap.number_rx_queues;
-- int queue = 0;
++}
++
++/**
++ * stmmac_mac_enable_rx_queues - Enable MAC rx queues
++ * @priv: driver private structure
++ * Description: It is used for enabling the rx queues in the MAC
++ */
++static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv)
++{
+ u32 rx_queues_count = priv->plat->rx_queues_to_use;
+ int queue;
+ u8 mode;
-- /* If GMAC does not have multiple queues, then this is not necessary*/
-- if (rx_count == 1)
-- return;
+- if (priv->tx_skbuff[i]) {
+- dev_kfree_skb_any(priv->tx_skbuff[i]);
+- priv->tx_skbuff[i] = NULL;
+- priv->tx_skbuff_dma[i].buf = 0;
+- priv->tx_skbuff_dma[i].map_as_page = false;
+- }
+ for (queue = 0; queue < rx_queues_count; queue++) {
+ mode = priv->plat->rx_queues_cfg[queue].mode_to_use;
+ priv->hw->mac->rx_queue_enable(priv->hw, mode, queue);
-+ }
-+}
+ }
+ }
-- /**
-- * If the core is synthesized with multiple rx queues / multiple
-- * dma channels, then rx queues will be disabled by default.
-- * For now only rx queue 0 is enabled.
-- */
-- priv->hw->mac->rx_queue_enable(priv->hw, queue);
-+/**
+ /**
+- * alloc_dma_desc_resources - alloc TX/RX resources.
+- * @priv: private structure
+- * Description: according to which descriptor can be used (extend or basic)
+- * this function allocates the resources for TX and RX paths. In case of
+- * reception, for example, it pre-allocated the RX socket buffer in order to
+- * allow zero-copy mechanism.
+ * stmmac_start_rx_dma - start RX DMA channel
+ * @priv: driver private structure
+ * @chan: RX channel index
+ * Description:
+ * This starts a RX DMA channel
-+ */
+ */
+-static int alloc_dma_desc_resources(struct stmmac_priv *priv)
+static void stmmac_start_rx_dma(struct stmmac_priv *priv, u32 chan)
-+{
+ {
+- int ret = -ENOMEM;
+-
+- priv->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE, sizeof(dma_addr_t),
+- GFP_KERNEL);
+- if (!priv->rx_skbuff_dma)
+- return -ENOMEM;
+-
+- priv->rx_skbuff = kmalloc_array(DMA_RX_SIZE, sizeof(struct sk_buff *),
+- GFP_KERNEL);
+- if (!priv->rx_skbuff)
+- goto err_rx_skbuff;
+-
+- priv->tx_skbuff_dma = kmalloc_array(DMA_TX_SIZE,
+- sizeof(*priv->tx_skbuff_dma),
+- GFP_KERNEL);
+- if (!priv->tx_skbuff_dma)
+- goto err_tx_skbuff_dma;
+-
+- priv->tx_skbuff = kmalloc_array(DMA_TX_SIZE, sizeof(struct sk_buff *),
+- GFP_KERNEL);
+- if (!priv->tx_skbuff)
+- goto err_tx_skbuff;
+-
+- if (priv->extend_desc) {
+- priv->dma_erx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE *
+- sizeof(struct
+- dma_extended_desc),
+- &priv->dma_rx_phy,
+- GFP_KERNEL);
+- if (!priv->dma_erx)
+- goto err_dma;
+-
+- priv->dma_etx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE *
+- sizeof(struct
+- dma_extended_desc),
+- &priv->dma_tx_phy,
+- GFP_KERNEL);
+- if (!priv->dma_etx) {
+- dma_free_coherent(priv->device, DMA_RX_SIZE *
+- sizeof(struct dma_extended_desc),
+- priv->dma_erx, priv->dma_rx_phy);
+- goto err_dma;
+- }
+- } else {
+- priv->dma_rx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE *
+- sizeof(struct dma_desc),
+- &priv->dma_rx_phy,
+- GFP_KERNEL);
+- if (!priv->dma_rx)
+- goto err_dma;
+ netdev_dbg(priv->dev, "DMA RX processes started in channel %d\n", chan);
+ priv->hw->dma->start_rx(priv->ioaddr, chan);
+}
-+
+
+- priv->dma_tx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE *
+- sizeof(struct dma_desc),
+- &priv->dma_tx_phy,
+- GFP_KERNEL);
+- if (!priv->dma_tx) {
+- dma_free_coherent(priv->device, DMA_RX_SIZE *
+- sizeof(struct dma_desc),
+- priv->dma_rx, priv->dma_rx_phy);
+- goto err_dma;
+- }
+- }
+/**
+ * stmmac_start_tx_dma - start TX DMA channel
+ * @priv: driver private structure
@@ -3756,7 +3728,8 @@
+ netdev_dbg(priv->dev, "DMA TX processes started in channel %d\n", chan);
+ priv->hw->dma->start_tx(priv->ioaddr, chan);
+}
-+
+
+- return 0;
+/**
+ * stmmac_stop_rx_dma - stop RX DMA channel
+ * @priv: driver private structure
@@ -3769,7 +3742,16 @@
+ netdev_dbg(priv->dev, "DMA RX processes stopped in channel %d\n", chan);
+ priv->hw->dma->stop_rx(priv->ioaddr, chan);
+}
-+
+
+-err_dma:
+- kfree(priv->tx_skbuff);
+-err_tx_skbuff:
+- kfree(priv->tx_skbuff_dma);
+-err_tx_skbuff_dma:
+- kfree(priv->rx_skbuff);
+-err_rx_skbuff:
+- kfree(priv->rx_skbuff_dma);
+- return ret;
+/**
+ * stmmac_stop_tx_dma - stop TX DMA channel
+ * @priv: driver private structure
@@ -3781,8 +3763,9 @@
+{
+ netdev_dbg(priv->dev, "DMA TX processes stopped in channel %d\n", chan);
+ priv->hw->dma->stop_tx(priv->ioaddr, chan);
-+}
-+
+ }
+
+-static void free_dma_desc_resources(struct stmmac_priv *priv)
+/**
+ * stmmac_start_all_dma - start all RX and TX DMA channels
+ * @priv: driver private structure
@@ -3790,7 +3773,31 @@
+ * This starts all the RX and TX DMA channels
+ */
+static void stmmac_start_all_dma(struct stmmac_priv *priv)
-+{
+ {
+- /* Release the DMA TX/RX socket buffers */
+- dma_free_rx_skbufs(priv);
+- dma_free_tx_skbufs(priv);
+-
+- /* Free DMA regions of consistent memory previously allocated */
+- if (!priv->extend_desc) {
+- dma_free_coherent(priv->device,
+- DMA_TX_SIZE * sizeof(struct dma_desc),
+- priv->dma_tx, priv->dma_tx_phy);
+- dma_free_coherent(priv->device,
+- DMA_RX_SIZE * sizeof(struct dma_desc),
+- priv->dma_rx, priv->dma_rx_phy);
+- } else {
+- dma_free_coherent(priv->device, DMA_TX_SIZE *
+- sizeof(struct dma_extended_desc),
+- priv->dma_etx, priv->dma_tx_phy);
+- dma_free_coherent(priv->device, DMA_RX_SIZE *
+- sizeof(struct dma_extended_desc),
+- priv->dma_erx, priv->dma_rx_phy);
+- }
+- kfree(priv->rx_skbuff_dma);
+- kfree(priv->rx_skbuff);
+- kfree(priv->tx_skbuff_dma);
+- kfree(priv->tx_skbuff);
+ u32 rx_channels_count = priv->plat->rx_queues_to_use;
+ u32 tx_channels_count = priv->plat->tx_queues_to_use;
+ u32 chan = 0;
@@ -3800,23 +3807,38 @@
+
+ for (chan = 0; chan < tx_channels_count; chan++)
+ stmmac_start_tx_dma(priv, chan);
-+}
-+
-+/**
+ }
+
+ /**
+- * stmmac_mac_enable_rx_queues - Enable MAC rx queues
+- * @priv: driver private structure
+- * Description: It is used for enabling the rx queues in the MAC
+ * stmmac_stop_all_dma - stop all RX and TX DMA channels
+ * @priv: driver private structure
+ * Description:
+ * This stops the RX and TX DMA channels
-+ */
+ */
+-static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv)
+static void stmmac_stop_all_dma(struct stmmac_priv *priv)
-+{
+ {
+- int rx_count = priv->dma_cap.number_rx_queues;
+- int queue = 0;
+ u32 rx_channels_count = priv->plat->rx_queues_to_use;
+ u32 tx_channels_count = priv->plat->tx_queues_to_use;
+ u32 chan = 0;
-+
+
+- /* If GMAC does not have multiple queues, then this is not necessary*/
+- if (rx_count == 1)
+- return;
+ for (chan = 0; chan < rx_channels_count; chan++)
+ stmmac_stop_rx_dma(priv, chan);
-+
+
+- /**
+- * If the core is synthesized with multiple rx queues / multiple
+- * dma channels, then rx queues will be disabled by default.
+- * For now only rx queue 0 is enabled.
+- */
+- priv->hw->mac->rx_queue_enable(priv->hw, queue);
+ for (chan = 0; chan < tx_channels_count; chan++)
+ stmmac_stop_tx_dma(priv, chan);
}
--
2.7.4
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