@@ -4,12 +4,12 @@ LINUX_RELEASE?=1
LINUX_VERSION-3.18 = .71
LINUX_VERSION-4.4 = .119
-LINUX_VERSION-4.9 = .86
+LINUX_VERSION-4.9 = .87
LINUX_VERSION-4.14 = .26
LINUX_KERNEL_HASH-3.18.71 = 5abc9778ad44ce02ed6c8ab52ece8a21c6d20d21f6ed8a19287b4a38a50c1240
LINUX_KERNEL_HASH-4.4.119 = 4f1f9b7b6b2ee93597239d89bb3b6b60c71ebd8c91d706fadd36f515c68443e6
-LINUX_KERNEL_HASH-4.9.86 = a7cf6eb5efcf182f1760fdfc06118eecce5d8c9d82d6945e68fc15db990c6e85
+LINUX_KERNEL_HASH-4.9.87 = 7ac9f6af69dc5a7e38bf35cc3fa889e3a4b22504a85f57fdc87734a8abe4c917
LINUX_KERNEL_HASH-4.14.26 = 99a466c54261007b984ee149167d89755051dd09bfc31df37332207b0e9c6c58
remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1))))
@@ -316,7 +316,7 @@
for (p = *head; p; p = p->next) {
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
-@@ -458,7 +458,7 @@ static struct neighbour *ipv4_neigh_look
+@@ -461,7 +461,7 @@ static struct neighbour *ipv4_neigh_look
else if (skb)
pkey = &ip_hdr(skb)->daddr;
@@ -60,7 +60,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
nval = cmpxchg(&tp->tsq_flags, oval, nval);
if (nval != oval)
continue;
-@@ -2183,6 +2183,8 @@ static bool tcp_write_xmit(struct sock *
+@@ -2210,6 +2210,8 @@ static bool tcp_write_xmit(struct sock *
unlikely(tso_fragment(sk, skb, limit, mss_now, gfp)))
break;
@@ -19,7 +19,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
-@@ -2088,6 +2088,15 @@ static bool tcp_small_queue_check(struct
+@@ -2115,6 +2115,15 @@ static bool tcp_small_queue_check(struct
limit <<= factor;
if (atomic_read(&sk->sk_wmem_alloc) > limit) {
@@ -17,7 +17,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
-@@ -1928,26 +1928,26 @@ static inline void tcp_mtu_check_reprobe
+@@ -1948,26 +1948,26 @@ static bool tcp_can_coalesce_send_queue_
*/
static int tcp_mtu_probe(struct sock *sk)
{
@@ -114,7 +114,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
if (nval != oval)
continue;
-@@ -2097,7 +2097,7 @@ static bool tcp_small_queue_check(struct
+@@ -2124,7 +2124,7 @@ static bool tcp_small_queue_check(struct
skb->prev == sk->sk_write_queue.next)
return false;
@@ -123,7 +123,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
/* It is possible TX completion already happened
* before we set TSQ_THROTTLED, so we must
* test again the condition.
-@@ -2195,8 +2195,8 @@ static bool tcp_write_xmit(struct sock *
+@@ -2222,8 +2222,8 @@ static bool tcp_write_xmit(struct sock *
unlikely(tso_fragment(sk, skb, limit, mss_now, gfp)))
break;
@@ -134,7 +134,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
if (tcp_small_queue_check(sk, skb, 0))
break;
-@@ -3504,8 +3504,6 @@ void tcp_send_ack(struct sock *sk)
+@@ -3531,8 +3531,6 @@ void tcp_send_ack(struct sock *sk)
/* We do not want pure acks influencing TCP Small Queues or fq/pacing
* too much.
* SKB_TRUESIZE(max(1 .. 66, MAX_TCP_HEADER)) is unfortunately ~784
@@ -74,7 +74,7 @@ Cc: Kir Kolyshkin <kir@openvz.org>
sk->sk_gso_max_size - 1 - MAX_TCP_HEADER);
/* Goal is to send at least one packet per ms,
-@@ -2084,7 +2084,7 @@ static bool tcp_small_queue_check(struct
+@@ -2111,7 +2111,7 @@ static bool tcp_small_queue_check(struct
{
unsigned int limit;
@@ -10,7 +10,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/arch/mips/include/asm/r4kcache.h
+++ b/arch/mips/include/asm/r4kcache.h
-@@ -665,16 +665,48 @@ static inline void prot##extra##blast_##pfx##cache##_range(unsigned long start,
+@@ -665,16 +665,48 @@ static inline void prot##extra##blast_##
unsigned long end) \
{ \
unsigned long lsize = cpu_##desc##_line_size(); \
@@ -101,7 +101,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
help
--- a/net/core/dev.c
+++ b/net/core/dev.c
-@@ -2943,10 +2943,20 @@ static int xmit_one(struct sk_buff *skb,
+@@ -2950,10 +2950,20 @@ static int xmit_one(struct sk_buff *skb,
if (!list_empty(&ptype_all) || !list_empty(&dev->ptype_all))
dev_queue_xmit_nit(skb, dev);
@@ -393,7 +393,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
-@@ -420,6 +420,9 @@ static struct pernet_operations ip_rt_pr
+@@ -423,6 +423,9 @@ static struct pernet_operations ip_rt_pr
static int __init ip_rt_proc_init(void)
{
@@ -34,7 +34,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
__u16 tc_index; /* traffic control index */
--- a/net/core/dev.c
+++ b/net/core/dev.c
-@@ -4535,6 +4535,9 @@ static enum gro_result dev_gro_receive(s
+@@ -4542,6 +4542,9 @@ static enum gro_result dev_gro_receive(s
enum gro_result ret;
int grow;
@@ -44,7 +44,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
if (!(skb->dev->features & NETIF_F_GRO))
goto normal;
-@@ -5823,6 +5826,48 @@ static void __netdev_adjacent_dev_unlink
+@@ -5830,6 +5833,48 @@ static void __netdev_adjacent_dev_unlink
&upper_dev->adj_list.lower);
}
@@ -93,7 +93,7 @@ Signed-off-by: Felix Fietkau <nbd@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)
-@@ -5895,6 +5940,7 @@ static int __netdev_upper_dev_link(struc
+@@ -5902,6 +5947,7 @@ static int __netdev_upper_dev_link(struc
goto rollback_lower_mesh;
}
@@ -101,7 +101,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
ret = call_netdevice_notifiers_info(NETDEV_CHANGEUPPER, dev,
&changeupper_info.info);
ret = notifier_to_errno(ret);
-@@ -6021,6 +6067,7 @@ void netdev_upper_dev_unlink(struct net_
+@@ -6028,6 +6074,7 @@ 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@nbd.name>
call_netdevice_notifiers_info(NETDEV_CHANGEUPPER, dev,
&changeupper_info.info);
}
-@@ -6621,6 +6668,7 @@ int dev_set_mac_address(struct net_devic
+@@ -6628,6 +6675,7 @@ int dev_set_mac_address(struct net_devic
if (err)
return err;
dev->addr_assign_type = NET_ADDR_SET;
@@ -421,7 +421,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
* These are the defined Ethernet Protocol ID's.
--- a/net/core/dev.c
+++ b/net/core/dev.c
-@@ -6615,9 +6615,18 @@ int dev_set_mtu(struct net_device *dev,
+@@ -6622,9 +6622,18 @@ int dev_set_mtu(struct net_device *dev,
if (new_mtu == dev->mtu)
return 0;
@@ -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);
}
- Refreshed all patches Compile tested on: ar71xx Runtime tested on: ar71xx Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com> --- include/kernel-version.mk | 4 +- .../patches-4.9/910-unaligned_access_hacks.patch | 2 +- ...-tcp-tsq-add-shortcut-in-tcp_tasklet_func.patch | 2 +- ...q-add-a-shortcut-in-tcp_small_queue_check.patch | 2 +- ...tcp-tcp_mtu_probe-is-likely-to-exit-early.patch | 2 +- ...tsq-move-tsq_flags-close-to-sk_wmem_alloc.patch | 6 +- .../025-tcp-allow-drivers-to-tweak-TSQ-logic.patch | 2 +- ...-r4k_cache-use-more-efficient-cache-blast.patch | 2 +- .../linux/generic/hack-4.9/721-phy_packets.patch | 2 +- .../linux/generic/hack-4.9/902-debloat_proc.patch | 2 +- ...80-NET-skip-GRO-for-foreign-MAC-addresses.patch | 10 +- .../202-core-linux-support-layerscape.patch | 2 +- .../sunxi/patches-4.9/0052-stmmac-form-4-12.patch | 386 +++++++++++---------- 13 files changed, 223 insertions(+), 201 deletions(-)