diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.9/202-core-linux-support-layerscape.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.9/202-core-linux-support-layerscape.patch | 538 |
1 files changed, 538 insertions, 0 deletions
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 new file mode 100644 index 0000000000..6eeb6ffe77 --- /dev/null +++ b/target/linux/layerscape/patches-4.9/202-core-linux-support-layerscape.patch @@ -0,0 +1,538 @@ +From c37953457a7ebeb0d97ae8574b3d41274fcd9119 Mon Sep 17 00:00:00 2001 +From: Yangbo Lu <yangbo.lu@nxp.com> +Date: Wed, 1 Nov 2017 16:22:33 +0800 +Subject: [PATCH] core-linux: support layerscape + +This is a integrated patch for layerscape core-linux support. + +Signed-off-by: Madalin Bucur <madalin.bucur@freescale.com> +Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com> +Signed-off-by: Camelia Groza <camelia.groza@nxp.com> +Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> +Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> +Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> +Signed-off-by: Jarod Wilson <jarod@redhat.com> +Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> +Signed-off-by: stephen hemminger <stephen@networkplumber.org> +Signed-off-by: Arnd Bergmann <arnd@arndb.de> +Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> +--- + drivers/base/devres.c | 66 ++++++++++++++++++++++++++++ + drivers/base/soc.c | 66 ++++++++++++++++++++++++++++ + include/linux/device.h | 19 ++++++++ + include/linux/fsl/svr.h | 97 +++++++++++++++++++++++++++++++++++++++++ + include/linux/fsl_devices.h | 3 ++ + include/linux/netdev_features.h | 2 + + include/linux/netdevice.h | 4 ++ + include/linux/skbuff.h | 2 + + include/linux/sys_soc.h | 3 ++ + include/uapi/linux/if_ether.h | 1 + + net/core/dev.c | 13 +++++- + net/core/skbuff.c | 29 +++++++++++- + net/sched/sch_generic.c | 7 +++ + 13 files changed, 309 insertions(+), 3 deletions(-) + create mode 100644 include/linux/fsl/svr.h + +diff --git a/drivers/base/devres.c b/drivers/base/devres.c +index 8fc654f0..71d57702 100644 +--- a/drivers/base/devres.c ++++ b/drivers/base/devres.c +@@ -10,6 +10,7 @@ + #include <linux/device.h> + #include <linux/module.h> + #include <linux/slab.h> ++#include <linux/percpu.h> + + #include "base.h" + +@@ -985,3 +986,68 @@ void devm_free_pages(struct device *dev, unsigned long addr) + &devres)); + } + EXPORT_SYMBOL_GPL(devm_free_pages); ++ ++static void devm_percpu_release(struct device *dev, void *pdata) ++{ ++ void __percpu *p; ++ ++ p = *(void __percpu **)pdata; ++ free_percpu(p); ++} ++ ++static int devm_percpu_match(struct device *dev, void *data, void *p) ++{ ++ struct devres *devr = container_of(data, struct devres, data); ++ ++ return *(void **)devr->data == p; ++} ++ ++/** ++ * __devm_alloc_percpu - Resource-managed alloc_percpu ++ * @dev: Device to allocate per-cpu memory for ++ * @size: Size of per-cpu memory to allocate ++ * @align: Alignment of per-cpu memory to allocate ++ * ++ * Managed alloc_percpu. Per-cpu memory allocated with this function is ++ * automatically freed on driver detach. ++ * ++ * RETURNS: ++ * Pointer to allocated memory on success, NULL on failure. ++ */ ++void __percpu *__devm_alloc_percpu(struct device *dev, size_t size, ++ size_t align) ++{ ++ void *p; ++ void __percpu *pcpu; ++ ++ pcpu = __alloc_percpu(size, align); ++ if (!pcpu) ++ return NULL; ++ ++ p = devres_alloc(devm_percpu_release, sizeof(void *), GFP_KERNEL); ++ if (!p) { ++ free_percpu(pcpu); ++ return NULL; ++ } ++ ++ *(void __percpu **)p = pcpu; ++ ++ devres_add(dev, p); ++ ++ return pcpu; ++} ++EXPORT_SYMBOL_GPL(__devm_alloc_percpu); ++ ++/** ++ * devm_free_percpu - Resource-managed free_percpu ++ * @dev: Device this memory belongs to ++ * @pdata: Per-cpu memory to free ++ * ++ * Free memory allocated with devm_alloc_percpu(). ++ */ ++void devm_free_percpu(struct device *dev, void __percpu *pdata) ++{ ++ WARN_ON(devres_destroy(dev, devm_percpu_release, devm_percpu_match, ++ (void *)pdata)); ++} ++EXPORT_SYMBOL_GPL(devm_free_percpu); +diff --git a/drivers/base/soc.c b/drivers/base/soc.c +index b63f23e6..0c5cf872 100644 +--- a/drivers/base/soc.c ++++ b/drivers/base/soc.c +@@ -13,6 +13,7 @@ + #include <linux/spinlock.h> + #include <linux/sys_soc.h> + #include <linux/err.h> ++#include <linux/glob.h> + + static DEFINE_IDA(soc_ida); + +@@ -159,3 +160,68 @@ static int __init soc_bus_register(void) + return bus_register(&soc_bus_type); + } + core_initcall(soc_bus_register); ++ ++static int soc_device_match_one(struct device *dev, void *arg) ++{ ++ struct soc_device *soc_dev = container_of(dev, struct soc_device, dev); ++ const struct soc_device_attribute *match = arg; ++ ++ if (match->machine && ++ !glob_match(match->machine, soc_dev->attr->machine)) ++ return 0; ++ ++ if (match->family && ++ !glob_match(match->family, soc_dev->attr->family)) ++ return 0; ++ ++ if (match->revision && ++ !glob_match(match->revision, soc_dev->attr->revision)) ++ return 0; ++ ++ if (match->soc_id && ++ !glob_match(match->soc_id, soc_dev->attr->soc_id)) ++ return 0; ++ ++ return 1; ++} ++ ++/* ++ * soc_device_match - identify the SoC in the machine ++ * @matches: zero-terminated array of possible matches ++ * ++ * returns the first matching entry of the argument array, or NULL ++ * if none of them match. ++ * ++ * This function is meant as a helper in place of of_match_node() ++ * in cases where either no device tree is available or the information ++ * in a device node is insufficient to identify a particular variant ++ * by its compatible strings or other properties. For new devices, ++ * the DT binding should always provide unique compatible strings ++ * that allow the use of of_match_node() instead. ++ * ++ * The calling function can use the .data entry of the ++ * soc_device_attribute to pass a structure or function pointer for ++ * each entry. ++ */ ++const struct soc_device_attribute *soc_device_match( ++ const struct soc_device_attribute *matches) ++{ ++ int ret = 0; ++ ++ if (!matches) ++ return NULL; ++ ++ while (!ret) { ++ if (!(matches->machine || matches->family || ++ matches->revision || matches->soc_id)) ++ break; ++ ret = bus_for_each_dev(&soc_bus_type, NULL, (void *)matches, ++ soc_device_match_one); ++ if (!ret) ++ matches++; ++ else ++ return matches; ++ } ++ return NULL; ++} ++EXPORT_SYMBOL_GPL(soc_device_match); +diff --git a/include/linux/device.h b/include/linux/device.h +index 8d732965..6d206930 100644 +--- a/include/linux/device.h ++++ b/include/linux/device.h +@@ -688,6 +688,25 @@ void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res); + int devm_add_action(struct device *dev, void (*action)(void *), void *data); + void devm_remove_action(struct device *dev, void (*action)(void *), void *data); + ++/** ++ * devm_alloc_percpu - Resource-managed alloc_percpu ++ * @dev: Device to allocate per-cpu memory for ++ * @type: Type to allocate per-cpu memory for ++ * ++ * Managed alloc_percpu. Per-cpu memory allocated with this function is ++ * automatically freed on driver detach. ++ * ++ * RETURNS: ++ * Pointer to allocated memory on success, NULL on failure. ++ */ ++#define devm_alloc_percpu(dev, type) \ ++ ((typeof(type) __percpu *)__devm_alloc_percpu((dev), sizeof(type), \ ++ __alignof__(type))) ++ ++void __percpu *__devm_alloc_percpu(struct device *dev, size_t size, ++ size_t align); ++void devm_free_percpu(struct device *dev, void __percpu *pdata); ++ + static inline int devm_add_action_or_reset(struct device *dev, + void (*action)(void *), void *data) + { +diff --git a/include/linux/fsl/svr.h b/include/linux/fsl/svr.h +new file mode 100644 +index 00000000..e95c8f43 +--- /dev/null ++++ b/include/linux/fsl/svr.h +@@ -0,0 +1,97 @@ ++/* ++ * MPC85xx cpu type detection ++ * ++ * Copyright 2011-2012 Freescale Semiconductor, Inc. ++ * ++ * This is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ */ ++ ++#ifndef FSL_SVR_H ++#define FSL_SVR_H ++ ++#define SVR_REV(svr) ((svr) & 0xFF) /* SOC design resision */ ++#define SVR_MAJ(svr) (((svr) >> 4) & 0xF) /* Major revision field*/ ++#define SVR_MIN(svr) (((svr) >> 0) & 0xF) /* Minor revision field*/ ++ ++/* Some parts define SVR[0:23] as the SOC version */ ++#define SVR_SOC_VER(svr) (((svr) >> 8) & 0xFFF7FF) /* SOC Version fields */ ++ ++#define SVR_8533 0x803400 ++#define SVR_8535 0x803701 ++#define SVR_8536 0x803700 ++#define SVR_8540 0x803000 ++#define SVR_8541 0x807200 ++#define SVR_8543 0x803200 ++#define SVR_8544 0x803401 ++#define SVR_8545 0x803102 ++#define SVR_8547 0x803101 ++#define SVR_8548 0x803100 ++#define SVR_8555 0x807100 ++#define SVR_8560 0x807000 ++#define SVR_8567 0x807501 ++#define SVR_8568 0x807500 ++#define SVR_8569 0x808000 ++#define SVR_8572 0x80E000 ++#define SVR_P1010 0x80F100 ++#define SVR_P1011 0x80E500 ++#define SVR_P1012 0x80E501 ++#define SVR_P1013 0x80E700 ++#define SVR_P1014 0x80F101 ++#define SVR_P1017 0x80F700 ++#define SVR_P1020 0x80E400 ++#define SVR_P1021 0x80E401 ++#define SVR_P1022 0x80E600 ++#define SVR_P1023 0x80F600 ++#define SVR_P1024 0x80E402 ++#define SVR_P1025 0x80E403 ++#define SVR_P2010 0x80E300 ++#define SVR_P2020 0x80E200 ++#define SVR_P2040 0x821000 ++#define SVR_P2041 0x821001 ++#define SVR_P3041 0x821103 ++#define SVR_P4040 0x820100 ++#define SVR_P4080 0x820000 ++#define SVR_P5010 0x822100 ++#define SVR_P5020 0x822000 ++#define SVR_P5021 0X820500 ++#define SVR_P5040 0x820400 ++#define SVR_T4240 0x824000 ++#define SVR_T4120 0x824001 ++#define SVR_T4160 0x824100 ++#define SVR_T4080 0x824102 ++#define SVR_C291 0x850000 ++#define SVR_C292 0x850020 ++#define SVR_C293 0x850030 ++#define SVR_B4860 0X868000 ++#define SVR_G4860 0x868001 ++#define SVR_G4060 0x868003 ++#define SVR_B4440 0x868100 ++#define SVR_G4440 0x868101 ++#define SVR_B4420 0x868102 ++#define SVR_B4220 0x868103 ++#define SVR_T1040 0x852000 ++#define SVR_T1041 0x852001 ++#define SVR_T1042 0x852002 ++#define SVR_T1020 0x852100 ++#define SVR_T1021 0x852101 ++#define SVR_T1022 0x852102 ++#define SVR_T1023 0x854100 ++#define SVR_T1024 0x854000 ++#define SVR_T2080 0x853000 ++#define SVR_T2081 0x853100 ++ ++#define SVR_8610 0x80A000 ++#define SVR_8641 0x809000 ++#define SVR_8641D 0x809001 ++ ++#define SVR_9130 0x860001 ++#define SVR_9131 0x860000 ++#define SVR_9132 0x861000 ++#define SVR_9232 0x861400 ++ ++#define SVR_Unknown 0xFFFFFF ++ ++#endif +diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h +index f2912914..22308465 100644 +--- a/include/linux/fsl_devices.h ++++ b/include/linux/fsl_devices.h +@@ -99,7 +99,10 @@ struct fsl_usb2_platform_data { + unsigned suspended:1; + unsigned already_suspended:1; + unsigned has_fsl_erratum_a007792:1; ++ unsigned has_fsl_erratum_14:1; + unsigned has_fsl_erratum_a005275:1; ++ unsigned has_fsl_erratum_a006918:1; ++ unsigned has_fsl_erratum_a005697:1; + unsigned check_phy_clk_valid:1; + + /* register save area for suspend/resume */ +diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h +index 9c6c8ef2..90b4107e 100644 +--- a/include/linux/netdev_features.h ++++ b/include/linux/netdev_features.h +@@ -74,6 +74,7 @@ enum { + NETIF_F_BUSY_POLL_BIT, /* Busy poll */ + + NETIF_F_HW_TC_BIT, /* Offload TC infrastructure */ ++ NETIF_F_HW_ACCEL_MQ_BIT, /* Hardware-accelerated multiqueue */ + + /* + * Add your fresh new feature above and remember to update +@@ -136,6 +137,7 @@ enum { + #define NETIF_F_HW_L2FW_DOFFLOAD __NETIF_F(HW_L2FW_DOFFLOAD) + #define NETIF_F_BUSY_POLL __NETIF_F(BUSY_POLL) + #define NETIF_F_HW_TC __NETIF_F(HW_TC) ++#define NETIF_F_HW_ACCEL_MQ __NETIF_F(HW_ACCEL_MQ) + + #define for_each_netdev_feature(mask_addr, bit) \ + for_each_set_bit(bit, (unsigned long *)mask_addr, NETDEV_FEATURE_COUNT) +diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h +index c3a1537c..9740875b 100644 +--- a/include/linux/netdevice.h ++++ b/include/linux/netdevice.h +@@ -1509,6 +1509,8 @@ enum netdev_priv_flags { + * @if_port: Selectable AUI, TP, ... + * @dma: DMA channel + * @mtu: Interface MTU value ++ * @min_mtu: Interface Minimum MTU value ++ * @max_mtu: Interface Maximum MTU value + * @type: Interface hardware type + * @hard_header_len: Maximum hardware header length. + * @min_header_len: Minimum hardware header length +@@ -1735,6 +1737,8 @@ struct net_device { + unsigned char dma; + + unsigned int mtu; ++ unsigned int min_mtu; ++ unsigned int max_mtu; + unsigned short type; + unsigned short hard_header_len; + unsigned short min_header_len; +diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h +index 9a0c945e..06f33c98 100644 +--- a/include/linux/skbuff.h ++++ b/include/linux/skbuff.h +@@ -903,6 +903,7 @@ void kfree_skb(struct sk_buff *skb); + void kfree_skb_list(struct sk_buff *segs); + void skb_tx_error(struct sk_buff *skb); + void consume_skb(struct sk_buff *skb); ++void skb_recycle(struct sk_buff *skb); + void __kfree_skb(struct sk_buff *skb); + extern struct kmem_cache *skbuff_head_cache; + +@@ -3057,6 +3058,7 @@ static inline void skb_free_datagram_locked(struct sock *sk, + } + int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags); + int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len); ++void copy_skb_header(struct sk_buff *new, const struct sk_buff *old); + int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len); + __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, + int len, __wsum csum); +diff --git a/include/linux/sys_soc.h b/include/linux/sys_soc.h +index 2739ccb6..9f5eb06f 100644 +--- a/include/linux/sys_soc.h ++++ b/include/linux/sys_soc.h +@@ -13,6 +13,7 @@ struct soc_device_attribute { + const char *family; + const char *revision; + const char *soc_id; ++ const void *data; + }; + + /** +@@ -34,4 +35,6 @@ void soc_device_unregister(struct soc_device *soc_dev); + */ + struct device *soc_device_to_device(struct soc_device *soc); + ++const struct soc_device_attribute *soc_device_match( ++ const struct soc_device_attribute *matches); + #endif /* __SOC_BUS_H */ +diff --git a/include/uapi/linux/if_ether.h b/include/uapi/linux/if_ether.h +index 51f38442..5c01afbf 100644 +--- a/include/uapi/linux/if_ether.h ++++ b/include/uapi/linux/if_ether.h +@@ -35,6 +35,7 @@ + #define ETH_DATA_LEN 1500 /* Max. octets in payload */ + #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ + #define ETH_FCS_LEN 4 /* Octets in the FCS */ ++#define ETH_MIN_MTU 68 /* Min IPv4 MTU per RFC791 */ + + /* + * These are the defined Ethernet Protocol ID's. +diff --git a/net/core/dev.c b/net/core/dev.c +index 512086f2..6e3bb7bc 100644 +--- a/net/core/dev.c ++++ b/net/core/dev.c +@@ -6603,9 +6603,18 @@ int dev_set_mtu(struct net_device *dev, int new_mtu) + if (new_mtu == dev->mtu) + return 0; + +- /* MTU must be positive. */ +- if (new_mtu < 0) ++ /* MTU must be positive, and in range */ ++ if (new_mtu < 0 || new_mtu < dev->min_mtu) { ++ net_err_ratelimited("%s: Invalid MTU %d requested, hw min %d\n", ++ dev->name, new_mtu, dev->min_mtu); + return -EINVAL; ++ } ++ ++ if (dev->max_mtu > 0 && new_mtu > dev->max_mtu) { ++ net_err_ratelimited("%s: Invalid MTU %d requested, hw max %d\n", ++ dev->name, new_mtu, dev->min_mtu); ++ return -EINVAL; ++ } + + if (!netif_device_present(dev)) + return -ENODEV; +diff --git a/net/core/skbuff.c b/net/core/skbuff.c +index 7e7b7ce0..0f9c014a 100644 +--- a/net/core/skbuff.c ++++ b/net/core/skbuff.c +@@ -842,6 +842,32 @@ void napi_consume_skb(struct sk_buff *skb, int budget) + } + EXPORT_SYMBOL(napi_consume_skb); + ++/** ++ * skb_recycle - clean up an skb for reuse ++ * @skb: buffer ++ * ++ * Recycles the skb to be reused as a receive buffer. This ++ * function does any necessary reference count dropping, and ++ * cleans up the skbuff as if it just came from __alloc_skb(). ++ */ ++void skb_recycle(struct sk_buff *skb) ++{ ++ struct skb_shared_info *shinfo; ++ u8 head_frag = skb->head_frag; ++ ++ skb_release_head_state(skb); ++ ++ shinfo = skb_shinfo(skb); ++ memset(shinfo, 0, offsetof(struct skb_shared_info, dataref)); ++ atomic_set(&shinfo->dataref, 1); ++ ++ memset(skb, 0, offsetof(struct sk_buff, tail)); ++ skb->data = skb->head + NET_SKB_PAD; ++ skb->head_frag = head_frag; ++ skb_reset_tail_pointer(skb); ++} ++EXPORT_SYMBOL(skb_recycle); ++ + /* Make sure a field is enclosed inside headers_start/headers_end section */ + #define CHECK_SKB_FIELD(field) \ + BUILD_BUG_ON(offsetof(struct sk_buff, field) < \ +@@ -1073,7 +1099,7 @@ static void skb_headers_offset_update(struct sk_buff *skb, int off) + skb->inner_mac_header += off; + } + +-static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old) ++void copy_skb_header(struct sk_buff *new, const struct sk_buff *old) + { + __copy_skb_header(new, old); + +@@ -1081,6 +1107,7 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old) + skb_shinfo(new)->gso_segs = skb_shinfo(old)->gso_segs; + skb_shinfo(new)->gso_type = skb_shinfo(old)->gso_type; + } ++EXPORT_SYMBOL(copy_skb_header); + + static inline int skb_alloc_rx_flag(const struct sk_buff *skb) + { +diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c +index 8018dd3a..ea760b83 100644 +--- a/net/sched/sch_generic.c ++++ b/net/sched/sch_generic.c +@@ -309,6 +309,13 @@ static void dev_watchdog(unsigned long arg) + txq->trans_timeout++; + break; + } ++ ++ /* Devices with HW_ACCEL_MQ have multiple txqs ++ * but update only the first one's transmission ++ * timestamp so avoid checking the rest. ++ */ ++ if (dev->features & NETIF_F_HW_ACCEL_MQ) ++ break; + } + + if (some_queue_timedout) { +-- +2.14.1 + |