- Refreshed all patches Compile tested on: ar71xx Runtime tested on: ar71xx
Signed-off-by: Koen Vandeputte <koen.vandepu...@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(-) diff --git a/include/kernel-version.mk b/include/kernel-version.mk index d20b2262352d..95103c5ffe7f 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 = .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)))) diff --git a/target/linux/ar71xx/patches-4.9/910-unaligned_access_hacks.patch b/target/linux/ar71xx/patches-4.9/910-unaligned_access_hacks.patch index a45375290037..464a930f3275 100644 --- a/target/linux/ar71xx/patches-4.9/910-unaligned_access_hacks.patch +++ b/target/linux/ar71xx/patches-4.9/910-unaligned_access_hacks.patch @@ -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; diff --git a/target/linux/generic/backport-4.9/024-3-tcp-tsq-add-shortcut-in-tcp_tasklet_func.patch b/target/linux/generic/backport-4.9/024-3-tcp-tsq-add-shortcut-in-tcp_tasklet_func.patch index 249a2ce27e05..f5004d3ffcb0 100644 --- a/target/linux/generic/backport-4.9/024-3-tcp-tsq-add-shortcut-in-tcp_tasklet_func.patch +++ b/target/linux/generic/backport-4.9/024-3-tcp-tsq-add-shortcut-in-tcp_tasklet_func.patch @@ -60,7 +60,7 @@ Signed-off-by: David S. Miller <da...@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; diff --git a/target/linux/generic/backport-4.9/024-5-tcp-tsq-add-a-shortcut-in-tcp_small_queue_check.patch b/target/linux/generic/backport-4.9/024-5-tcp-tsq-add-a-shortcut-in-tcp_small_queue_check.patch index 463b9553414c..65013b6aa7f3 100644 --- a/target/linux/generic/backport-4.9/024-5-tcp-tsq-add-a-shortcut-in-tcp_small_queue_check.patch +++ b/target/linux/generic/backport-4.9/024-5-tcp-tsq-add-a-shortcut-in-tcp_small_queue_check.patch @@ -19,7 +19,7 @@ Signed-off-by: David S. Miller <da...@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) { diff --git a/target/linux/generic/backport-4.9/024-6-tcp-tcp_mtu_probe-is-likely-to-exit-early.patch b/target/linux/generic/backport-4.9/024-6-tcp-tcp_mtu_probe-is-likely-to-exit-early.patch index c5bb42d44818..6f2d196687a2 100644 --- a/target/linux/generic/backport-4.9/024-6-tcp-tcp_mtu_probe-is-likely-to-exit-early.patch +++ b/target/linux/generic/backport-4.9/024-6-tcp-tcp_mtu_probe-is-likely-to-exit-early.patch @@ -17,7 +17,7 @@ Signed-off-by: David S. Miller <da...@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) { diff --git a/target/linux/generic/backport-4.9/024-8-tcp-tsq-move-tsq_flags-close-to-sk_wmem_alloc.patch b/target/linux/generic/backport-4.9/024-8-tcp-tsq-move-tsq_flags-close-to-sk_wmem_alloc.patch index 87b5253abbea..407d508f9417 100644 --- a/target/linux/generic/backport-4.9/024-8-tcp-tsq-move-tsq_flags-close-to-sk_wmem_alloc.patch +++ b/target/linux/generic/backport-4.9/024-8-tcp-tsq-move-tsq_flags-close-to-sk_wmem_alloc.patch @@ -114,7 +114,7 @@ Signed-off-by: David S. Miller <da...@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 <da...@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 <da...@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 diff --git a/target/linux/generic/backport-4.9/025-tcp-allow-drivers-to-tweak-TSQ-logic.patch b/target/linux/generic/backport-4.9/025-tcp-allow-drivers-to-tweak-TSQ-logic.patch index d92ce0747820..33593194d573 100644 --- a/target/linux/generic/backport-4.9/025-tcp-allow-drivers-to-tweak-TSQ-logic.patch +++ b/target/linux/generic/backport-4.9/025-tcp-allow-drivers-to-tweak-TSQ-logic.patch @@ -74,7 +74,7 @@ Cc: Kir Kolyshkin <k...@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; diff --git a/target/linux/generic/hack-4.9/300-MIPS-r4k_cache-use-more-efficient-cache-blast.patch b/target/linux/generic/hack-4.9/300-MIPS-r4k_cache-use-more-efficient-cache-blast.patch index ce7901af40bb..690b30ee9bda 100644 --- a/target/linux/generic/hack-4.9/300-MIPS-r4k_cache-use-more-efficient-cache-blast.patch +++ b/target/linux/generic/hack-4.9/300-MIPS-r4k_cache-use-more-efficient-cache-blast.patch @@ -10,7 +10,7 @@ Signed-off-by: Felix Fietkau <n...@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(); \ diff --git a/target/linux/generic/hack-4.9/721-phy_packets.patch b/target/linux/generic/hack-4.9/721-phy_packets.patch index b312ac7d4170..fbf3c70cac6a 100644 --- a/target/linux/generic/hack-4.9/721-phy_packets.patch +++ b/target/linux/generic/hack-4.9/721-phy_packets.patch @@ -101,7 +101,7 @@ Signed-off-by: Felix Fietkau <n...@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); diff --git a/target/linux/generic/hack-4.9/902-debloat_proc.patch b/target/linux/generic/hack-4.9/902-debloat_proc.patch index f2b326fe34fa..0559310a1829 100644 --- a/target/linux/generic/hack-4.9/902-debloat_proc.patch +++ b/target/linux/generic/hack-4.9/902-debloat_proc.patch @@ -393,7 +393,7 @@ Signed-off-by: Felix Fietkau <n...@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) { 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 5d432b1f3e78..86a64d84245b 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 <n...@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 <n...@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 <n...@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 <n...@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 <n...@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; 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 9dcecb07892e..77e54f83403e 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...@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; 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 _______________________________________________ Lede-dev mailing list Lede-dev@lists.infradead.org http://lists.infradead.org/mailman/listinfo/lede-dev
