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openwrt/target/linux/layerscape/patches-4.14/202-core-linux-support-laye...

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From 74243154052af635ee9ce9d07aab273ce219c855 Mon Sep 17 00:00:00 2001
From: Biwen Li <biwen.li@nxp.com>
Date: Thu, 13 Dec 2018 13:23:52 +0800
Subject: [PATCH] core-linux: support layerscape
This is an integrated patch of core-linux for layerscape.
Signed-off-by: Abhijit Ayarekar <abhijit.ayarekar@caviumnetworks.com>
Signed-off-by: Amrita Kumari <amrita.kumari@nxp.com>
Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Guanhua Gao <guanhua.gao@nxp.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Joel Fernandes <joelaf@google.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Madalin Bucur <madalin.bucur@freescale.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Suresh Gupta <suresh.gupta@freescale.com>
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: yinbo.zhu <yinbo.zhu@nxp.com>
Signed-off-by: Biwen Li <biwen.li@nxp.com>
---
drivers/base/dma-mapping.c | 7 ++
drivers/net/bonding/bond_main.c | 5 +-
drivers/net/bonding/bond_options.c | 2 +-
drivers/net/team/team.c | 3 +-
drivers/net/vrf.c | 3 +-
drivers/of/device.c | 13 +++-
drivers/soc/fsl/guts.c | 3 +
include/linux/fsl_devices.h | 2 +
include/linux/netdevice.h | 13 +++-
include/linux/skbuff.h | 2 +
include/net/bonding.h | 3 +-
net/batman-adv/soft-interface.c | 3 +-
net/bridge/br_device.c | 3 +-
net/core/dev.c | 81 ++++++++++++++---------
net/core/rtnetlink.c | 10 +--
net/core/skbuff.c | 29 +++++++-
samples/bpf/Makefile | 12 +++-
samples/bpf/map_perf_test_kern.c | 2 +-
samples/bpf/map_perf_test_user.c | 2 +-
tools/testing/selftests/bpf/bpf_helpers.h | 56 ++++++++++++++--
20 files changed, 193 insertions(+), 61 deletions(-)
--- a/drivers/base/dma-mapping.c
+++ b/drivers/base/dma-mapping.c
@@ -335,6 +335,7 @@ void dma_common_free_remap(void *cpu_add
* Common configuration to enable DMA API use for a device
*/
#include <linux/pci.h>
+#include <linux/fsl/mc.h>
int dma_configure(struct device *dev)
{
@@ -350,6 +351,12 @@ int dma_configure(struct device *dev)
dma_dev = dma_dev->parent;
}
+ if (dev_is_fsl_mc(dev)) {
+ dma_dev = dev;
+ while (dev_is_fsl_mc(dma_dev))
+ dma_dev = dma_dev->parent;
+ }
+
if (dma_dev->of_node) {
ret = of_dma_configure(dev, dma_dev->of_node);
} else if (has_acpi_companion(dma_dev)) {
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1337,7 +1337,8 @@ void bond_lower_state_changed(struct sla
}
/* enslave device <slave> to bond device <master> */
-int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
+int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
+ struct netlink_ext_ack *extack)
{
struct bonding *bond = netdev_priv(bond_dev);
const struct net_device_ops *slave_ops = slave_dev->netdev_ops;
@@ -3506,7 +3507,7 @@ static int bond_do_ioctl(struct net_devi
switch (cmd) {
case BOND_ENSLAVE_OLD:
case SIOCBONDENSLAVE:
- res = bond_enslave(bond_dev, slave_dev);
+ res = bond_enslave(bond_dev, slave_dev, NULL);
break;
case BOND_RELEASE_OLD:
case SIOCBONDRELEASE:
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -1389,7 +1389,7 @@ static int bond_option_slaves_set(struct
switch (command[0]) {
case '+':
netdev_dbg(bond->dev, "Adding slave %s\n", dev->name);
- ret = bond_enslave(bond->dev, dev);
+ ret = bond_enslave(bond->dev, dev, NULL);
break;
case '-':
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1932,7 +1932,8 @@ static int team_netpoll_setup(struct net
}
#endif
-static int team_add_slave(struct net_device *dev, struct net_device *port_dev)
+static int team_add_slave(struct net_device *dev, struct net_device *port_dev,
+ struct netlink_ext_ack *extack)
{
struct team *team = netdev_priv(dev);
int err;
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -791,7 +791,8 @@ err:
return ret;
}
-static int vrf_add_slave(struct net_device *dev, struct net_device *port_dev)
+static int vrf_add_slave(struct net_device *dev, struct net_device *port_dev,
+ struct netlink_ext_ack *extack)
{
if (netif_is_l3_master(port_dev) || netif_is_l3_slave(port_dev))
return -EINVAL;
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -15,6 +15,9 @@
#include <asm/errno.h>
#include "of_private.h"
+#ifdef CONFIG_FSL_MC_BUS
+#include <linux/fsl/mc.h>
+#endif
/**
* of_match_device - Tell if a struct device matches an of_device_id list
@@ -105,6 +108,9 @@ int of_dma_configure(struct device *dev,
#ifdef CONFIG_ARM_AMBA
dev->bus != &amba_bustype &&
#endif
+#ifdef CONFIG_FSL_MC_BUS
+ dev->bus != &fsl_mc_bus_type &&
+#endif
dev->bus != &platform_bus_type)
return ret == -ENODEV ? 0 : ret;
@@ -155,7 +161,12 @@ int of_dma_configure(struct device *dev,
dev->coherent_dma_mask &= mask;
*dev->dma_mask &= mask;
- coherent = of_dma_is_coherent(np);
+#ifdef CONFIG_FSL_MC_BUS
+ if (dev_is_fsl_mc(dev))
+ coherent = fsl_mc_is_dev_coherent(dev);
+ else
+#endif
+ coherent = of_dma_is_coherent(np);
dev_dbg(dev, "device is%sdma coherent\n",
coherent ? " " : " not ");
--- a/drivers/soc/fsl/guts.c
+++ b/drivers/soc/fsl/guts.c
@@ -213,6 +213,9 @@ static const struct of_device_id fsl_gut
{ .compatible = "fsl,ls1021a-dcfg", },
{ .compatible = "fsl,ls1043a-dcfg", },
{ .compatible = "fsl,ls2080a-dcfg", },
+ { .compatible = "fsl,ls1088a-dcfg", },
+ { .compatible = "fsl,ls1012a-dcfg", },
+ { .compatible = "fsl,ls1046a-dcfg", },
{}
};
MODULE_DEVICE_TABLE(of, fsl_guts_of_match);
--- a/include/linux/fsl_devices.h
+++ b/include/linux/fsl_devices.h
@@ -99,7 +99,9 @@ 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;
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1260,7 +1260,8 @@ struct net_device_ops {
u32 flow_id);
#endif
int (*ndo_add_slave)(struct net_device *dev,
- struct net_device *slave_dev);
+ struct net_device *slave_dev,
+ struct netlink_ext_ack *extack);
int (*ndo_del_slave)(struct net_device *dev,
struct net_device *slave_dev);
netdev_features_t (*ndo_fix_features)(struct net_device *dev,
@@ -2341,7 +2342,8 @@ int register_netdevice_notifier(struct n
int unregister_netdevice_notifier(struct notifier_block *nb);
struct netdev_notifier_info {
- struct net_device *dev;
+ struct net_device *dev;
+ struct netlink_ext_ack *extack;
};
struct netdev_notifier_info_ext {
@@ -2373,6 +2375,7 @@ static inline void netdev_notifier_info_
struct net_device *dev)
{
info->dev = dev;
+ info->extack = NULL;
}
static inline struct net_device *
@@ -2381,6 +2384,12 @@ netdev_notifier_info_to_dev(const struct
return info->dev;
}
+static inline struct netlink_ext_ack *
+netdev_notifier_info_to_extack(const struct netdev_notifier_info *info)
+{
+ return info->extack;
+}
+
int call_netdevice_notifiers(unsigned long val, struct net_device *dev);
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -964,6 +964,7 @@ void kfree_skb_list(struct sk_buff *segs
void skb_tx_error(struct sk_buff *skb);
void consume_skb(struct sk_buff *skb);
void __consume_stateless_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;
@@ -3293,6 +3294,7 @@ static inline void skb_free_datagram_loc
}
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);
--- a/include/net/bonding.h
+++ b/include/net/bonding.h
@@ -592,7 +592,8 @@ void bond_destroy_sysfs(struct bond_net
void bond_prepare_sysfs_group(struct bonding *bond);
int bond_sysfs_slave_add(struct slave *slave);
void bond_sysfs_slave_del(struct slave *slave);
-int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev);
+int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
+ struct netlink_ext_ack *extack);
int bond_release(struct net_device *bond_dev, struct net_device *slave_dev);
u32 bond_xmit_hash(struct bonding *bond, struct sk_buff *skb);
int bond_set_carrier(struct bonding *bond);
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -872,7 +872,8 @@ free_bat_counters:
* Return: 0 if successful or error otherwise.
*/
static int batadv_softif_slave_add(struct net_device *dev,
- struct net_device *slave_dev)
+ struct net_device *slave_dev,
+ struct netlink_ext_ack *extack)
{
struct batadv_hard_iface *hard_iface;
struct net *net = dev_net(dev);
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -324,7 +324,8 @@ void br_netpoll_disable(struct net_bridg
#endif
-static int br_add_slave(struct net_device *dev, struct net_device *slave_dev)
+static int br_add_slave(struct net_device *dev, struct net_device *slave_dev,
+ struct netlink_ext_ack *extack)
{
struct net_bridge *br = netdev_priv(dev);
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -162,7 +162,6 @@ static struct list_head offload_base __r
static int netif_rx_internal(struct sk_buff *skb);
static int call_netdevice_notifiers_info(unsigned long val,
- struct net_device *dev,
struct netdev_notifier_info *info);
static struct napi_struct *napi_by_id(unsigned int napi_id);
@@ -1312,10 +1311,11 @@ EXPORT_SYMBOL(netdev_features_change);
void netdev_state_change(struct net_device *dev)
{
if (dev->flags & IFF_UP) {
- struct netdev_notifier_change_info change_info;
+ struct netdev_notifier_change_info change_info = {
+ .info.dev = dev,
+ };
- change_info.flags_changed = 0;
- call_netdevice_notifiers_info(NETDEV_CHANGE, dev,
+ call_netdevice_notifiers_info(NETDEV_CHANGE,
&change_info.info);
rtmsg_ifinfo(RTM_NEWLINK, dev, 0, GFP_KERNEL);
}
@@ -1536,9 +1536,10 @@ EXPORT_SYMBOL(dev_disable_lro);
static int call_netdevice_notifier(struct notifier_block *nb, unsigned long val,
struct net_device *dev)
{
- struct netdev_notifier_info info;
+ struct netdev_notifier_info info = {
+ .dev = dev,
+ };
- netdev_notifier_info_init(&info, dev);
return nb->notifier_call(nb, val, &info);
}
@@ -1663,11 +1664,9 @@ EXPORT_SYMBOL(unregister_netdevice_notif
*/
static int call_netdevice_notifiers_info(unsigned long val,
- struct net_device *dev,
struct netdev_notifier_info *info)
{
ASSERT_RTNL();
- netdev_notifier_info_init(info, dev);
return raw_notifier_call_chain(&netdev_chain, val, info);
}
@@ -1682,9 +1681,11 @@ static int call_netdevice_notifiers_info
int call_netdevice_notifiers(unsigned long val, struct net_device *dev)
{
- struct netdev_notifier_info info;
+ struct netdev_notifier_info info = {
+ .dev = dev,
+ };
- return call_netdevice_notifiers_info(val, dev, &info);
+ return call_netdevice_notifiers_info(val, &info);
}
EXPORT_SYMBOL(call_netdevice_notifiers);
@@ -1707,7 +1708,7 @@ static int call_netdevice_notifiers_mtu(
BUILD_BUG_ON(offsetof(struct netdev_notifier_info_ext, info) != 0);
- return call_netdevice_notifiers_info(val, dev, &info.info);
+ return call_netdevice_notifiers_info(val, &info.info);
}
#ifdef CONFIG_NET_INGRESS
@@ -6338,7 +6339,15 @@ static int __netdev_upper_dev_link(struc
struct net_device *upper_dev, bool master,
void *upper_priv, void *upper_info)
{
- struct netdev_notifier_changeupper_info changeupper_info;
+ struct netdev_notifier_changeupper_info changeupper_info = {
+ .info = {
+ .dev = dev,
+ },
+ .upper_dev = upper_dev,
+ .master = master,
+ .linking = true,
+ .upper_info = upper_info,
+ };
int ret = 0;
ASSERT_RTNL();
@@ -6356,12 +6365,7 @@ static int __netdev_upper_dev_link(struc
if (master && netdev_master_upper_dev_get(dev))
return -EBUSY;
- changeupper_info.upper_dev = upper_dev;
- changeupper_info.master = master;
- changeupper_info.linking = true;
- changeupper_info.upper_info = upper_info;
-
- ret = call_netdevice_notifiers_info(NETDEV_PRECHANGEUPPER, dev,
+ ret = call_netdevice_notifiers_info(NETDEV_PRECHANGEUPPER,
&changeupper_info.info);
ret = notifier_to_errno(ret);
if (ret)
@@ -6373,7 +6377,7 @@ static int __netdev_upper_dev_link(struc
return ret;
netdev_update_addr_mask(dev);
- ret = call_netdevice_notifiers_info(NETDEV_CHANGEUPPER, dev,
+ ret = call_netdevice_notifiers_info(NETDEV_CHANGEUPPER,
&changeupper_info.info);
ret = notifier_to_errno(ret);
if (ret)
@@ -6437,21 +6441,25 @@ EXPORT_SYMBOL(netdev_master_upper_dev_li
void netdev_upper_dev_unlink(struct net_device *dev,
struct net_device *upper_dev)
{
- struct netdev_notifier_changeupper_info changeupper_info;
+ struct netdev_notifier_changeupper_info changeupper_info = {
+ .info = {
+ .dev = dev,
+ },
+ .upper_dev = upper_dev,
+ .linking = false,
+ };
ASSERT_RTNL();
- changeupper_info.upper_dev = upper_dev;
changeupper_info.master = netdev_master_upper_dev_get(dev) == upper_dev;
- changeupper_info.linking = false;
- call_netdevice_notifiers_info(NETDEV_PRECHANGEUPPER, dev,
+ call_netdevice_notifiers_info(NETDEV_PRECHANGEUPPER,
&changeupper_info.info);
__netdev_adjacent_dev_unlink_neighbour(dev, upper_dev);
netdev_update_addr_mask(dev);
- call_netdevice_notifiers_info(NETDEV_CHANGEUPPER, dev,
+ call_netdevice_notifiers_info(NETDEV_CHANGEUPPER,
&changeupper_info.info);
}
EXPORT_SYMBOL(netdev_upper_dev_unlink);
@@ -6467,11 +6475,13 @@ EXPORT_SYMBOL(netdev_upper_dev_unlink);
void netdev_bonding_info_change(struct net_device *dev,
struct netdev_bonding_info *bonding_info)
{
- struct netdev_notifier_bonding_info info;
+ struct netdev_notifier_bonding_info info = {
+ .info.dev = dev,
+ };
memcpy(&info.bonding_info, bonding_info,
sizeof(struct netdev_bonding_info));
- call_netdevice_notifiers_info(NETDEV_BONDING_INFO, dev,
+ call_netdevice_notifiers_info(NETDEV_BONDING_INFO,
&info.info);
}
EXPORT_SYMBOL(netdev_bonding_info_change);
@@ -6597,11 +6607,13 @@ EXPORT_SYMBOL(dev_get_nest_level);
void netdev_lower_state_changed(struct net_device *lower_dev,
void *lower_state_info)
{
- struct netdev_notifier_changelowerstate_info changelowerstate_info;
+ struct netdev_notifier_changelowerstate_info changelowerstate_info = {
+ .info.dev = lower_dev,
+ };
ASSERT_RTNL();
changelowerstate_info.lower_state_info = lower_state_info;
- call_netdevice_notifiers_info(NETDEV_CHANGELOWERSTATE, lower_dev,
+ call_netdevice_notifiers_info(NETDEV_CHANGELOWERSTATE,
&changelowerstate_info.info);
}
EXPORT_SYMBOL(netdev_lower_state_changed);
@@ -6892,11 +6904,14 @@ void __dev_notify_flags(struct net_devic
if (dev->flags & IFF_UP &&
(changes & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI | IFF_VOLATILE))) {
- struct netdev_notifier_change_info change_info;
+ struct netdev_notifier_change_info change_info = {
+ .info = {
+ .dev = dev,
+ },
+ .flags_changed = changes,
+ };
- change_info.flags_changed = changes;
- call_netdevice_notifiers_info(NETDEV_CHANGE, dev,
- &change_info.info);
+ call_netdevice_notifiers_info(NETDEV_CHANGE, &change_info.info);
}
}
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1912,7 +1912,8 @@ static int do_setvfinfo(struct net_devic
return err;
}
-static int do_set_master(struct net_device *dev, int ifindex)
+static int do_set_master(struct net_device *dev, int ifindex,
+ struct netlink_ext_ack *extack)
{
struct net_device *upper_dev = netdev_master_upper_dev_get(dev);
const struct net_device_ops *ops;
@@ -1937,7 +1938,7 @@ static int do_set_master(struct net_devi
return -EINVAL;
ops = upper_dev->netdev_ops;
if (ops->ndo_add_slave) {
- err = ops->ndo_add_slave(upper_dev, dev);
+ err = ops->ndo_add_slave(upper_dev, dev, extack);
if (err)
return err;
} else {
@@ -2074,7 +2075,7 @@ static int do_setlink(const struct sk_bu
}
if (tb[IFLA_MASTER]) {
- err = do_set_master(dev, nla_get_u32(tb[IFLA_MASTER]));
+ err = do_set_master(dev, nla_get_u32(tb[IFLA_MASTER]), extack);
if (err)
goto errout;
status |= DO_SETLINK_MODIFIED;
@@ -2723,7 +2724,8 @@ replay:
goto out_unregister;
}
if (tb[IFLA_MASTER]) {
- err = do_set_master(dev, nla_get_u32(tb[IFLA_MASTER]));
+ err = do_set_master(dev, nla_get_u32(tb[IFLA_MASTER]),
+ extack);
if (err)
goto out_unregister;
}
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -799,6 +799,32 @@ void napi_consume_skb(struct sk_buff *sk
}
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) < \
@@ -1318,7 +1344,7 @@ static void skb_headers_offset_update(st
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);
@@ -1326,6 +1352,7 @@ static void copy_skb_header(struct sk_bu
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)
{
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -178,6 +178,12 @@ HOSTLOADLIBES_syscall_tp += -lelf
LLC ?= llc
CLANG ?= clang
+# Detect that we're cross compiling and use the cross compiler
+ifdef CROSS_COMPILE
+HOSTCC = $(CROSS_COMPILE)gcc
+CLANG_ARCH_ARGS = -target $(ARCH)
+endif
+
# Trick to allow make to be run from this directory
all: $(LIBBPF)
$(MAKE) -C ../../ $(CURDIR)/
@@ -228,9 +234,9 @@ $(obj)/tracex5_kern.o: $(obj)/syscall_nr
$(obj)/%.o: $(src)/%.c
$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) -I$(obj) \
-I$(srctree)/tools/testing/selftests/bpf/ \
- -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \
- -Wno-compare-distinct-pointer-types \
+ -D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \
+ -D__TARGET_ARCH_$(ARCH) -Wno-compare-distinct-pointer-types \
-Wno-gnu-variable-sized-type-not-at-end \
-Wno-address-of-packed-member -Wno-tautological-compare \
- -Wno-unknown-warning-option \
+ -Wno-unknown-warning-option $(CLANG_ARCH_ARGS) \
-O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@
--- a/samples/bpf/map_perf_test_kern.c
+++ b/samples/bpf/map_perf_test_kern.c
@@ -266,7 +266,7 @@ int stress_hash_map_lookup(struct pt_reg
return 0;
}
-SEC("kprobe/sys_getpgrp")
+SEC("kprobe/sys_getppid")
int stress_array_map_lookup(struct pt_regs *ctx)
{
u32 key = 1, i;
--- a/samples/bpf/map_perf_test_user.c
+++ b/samples/bpf/map_perf_test_user.c
@@ -282,7 +282,7 @@ static void test_array_lookup(int cpu)
start_time = time_get_ns();
for (i = 0; i < max_cnt; i++)
- syscall(__NR_getpgrp, 0);
+ syscall(__NR_getppid, 0);
printf("%d:array_lookup %lld lookups per sec\n",
cpu, max_cnt * 1000000000ll * 64 / (time_get_ns() - start_time));
}
--- a/tools/testing/selftests/bpf/bpf_helpers.h
+++ b/tools/testing/selftests/bpf/bpf_helpers.h
@@ -110,7 +110,47 @@ static int (*bpf_skb_under_cgroup)(void
static int (*bpf_skb_change_head)(void *, int len, int flags) =
(void *) BPF_FUNC_skb_change_head;
+/* Scan the ARCH passed in from ARCH env variable (see Makefile) */
+#if defined(__TARGET_ARCH_x86)
+ #define bpf_target_x86
+ #define bpf_target_defined
+#elif defined(__TARGET_ARCH_s930x)
+ #define bpf_target_s930x
+ #define bpf_target_defined
+#elif defined(__TARGET_ARCH_arm64)
+ #define bpf_target_arm64
+ #define bpf_target_defined
+#elif defined(__TARGET_ARCH_mips)
+ #define bpf_target_mips
+ #define bpf_target_defined
+#elif defined(__TARGET_ARCH_powerpc)
+ #define bpf_target_powerpc
+ #define bpf_target_defined
+#elif defined(__TARGET_ARCH_sparc)
+ #define bpf_target_sparc
+ #define bpf_target_defined
+#else
+ #undef bpf_target_defined
+#endif
+
+/* Fall back to what the compiler says */
+#ifndef bpf_target_defined
#if defined(__x86_64__)
+ #define bpf_target_x86
+#elif defined(__s390x__)
+ #define bpf_target_s930x
+#elif defined(__aarch64__)
+ #define bpf_target_arm64
+#elif defined(__mips__)
+ #define bpf_target_mips
+#elif defined(__powerpc__)
+ #define bpf_target_powerpc
+#elif defined(__sparc__)
+ #define bpf_target_sparc
+#endif
+#endif
+
+#if defined(bpf_target_x86)
#define PT_REGS_PARM1(x) ((x)->di)
#define PT_REGS_PARM2(x) ((x)->si)
@@ -123,7 +163,7 @@ static int (*bpf_skb_change_head)(void *
#define PT_REGS_SP(x) ((x)->sp)
#define PT_REGS_IP(x) ((x)->ip)
-#elif defined(__s390x__)
+#elif defined(bpf_target_s390x)
#define PT_REGS_PARM1(x) ((x)->gprs[2])
#define PT_REGS_PARM2(x) ((x)->gprs[3])
@@ -136,7 +176,7 @@ static int (*bpf_skb_change_head)(void *
#define PT_REGS_SP(x) ((x)->gprs[15])
#define PT_REGS_IP(x) ((x)->psw.addr)
-#elif defined(__aarch64__)
+#elif defined(bpf_target_arm64)
#define PT_REGS_PARM1(x) ((x)->regs[0])
#define PT_REGS_PARM2(x) ((x)->regs[1])
@@ -149,7 +189,7 @@ static int (*bpf_skb_change_head)(void *
#define PT_REGS_SP(x) ((x)->sp)
#define PT_REGS_IP(x) ((x)->pc)
-#elif defined(__mips__)
+#elif defined(bpf_target_mips)
#define PT_REGS_PARM1(x) ((x)->regs[4])
#define PT_REGS_PARM2(x) ((x)->regs[5])
@@ -162,7 +202,7 @@ static int (*bpf_skb_change_head)(void *
#define PT_REGS_SP(x) ((x)->regs[29])
#define PT_REGS_IP(x) ((x)->cp0_epc)
-#elif defined(__powerpc__)
+#elif defined(bpf_target_powerpc)
#define PT_REGS_PARM1(x) ((x)->gpr[3])
#define PT_REGS_PARM2(x) ((x)->gpr[4])
@@ -173,7 +213,7 @@ static int (*bpf_skb_change_head)(void *
#define PT_REGS_SP(x) ((x)->sp)
#define PT_REGS_IP(x) ((x)->nip)
-#elif defined(__sparc__)
+#elif defined(bpf_target_sparc)
#define PT_REGS_PARM1(x) ((x)->u_regs[UREG_I0])
#define PT_REGS_PARM2(x) ((x)->u_regs[UREG_I1])
@@ -183,6 +223,8 @@ static int (*bpf_skb_change_head)(void *
#define PT_REGS_RET(x) ((x)->u_regs[UREG_I7])
#define PT_REGS_RC(x) ((x)->u_regs[UREG_I0])
#define PT_REGS_SP(x) ((x)->u_regs[UREG_FP])
+
+/* Should this also be a bpf_target check for the sparc case? */
#if defined(__arch64__)
#define PT_REGS_IP(x) ((x)->tpc)
#else
@@ -191,10 +233,10 @@ static int (*bpf_skb_change_head)(void *
#endif
-#ifdef __powerpc__
+#ifdef bpf_target_powerpc
#define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ (ip) = (ctx)->link; })
#define BPF_KRETPROBE_READ_RET_IP BPF_KPROBE_READ_RET_IP
-#elif defined(__sparc__)
+#elif bpf_target_sparc
#define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ (ip) = PT_REGS_RET(ctx); })
#define BPF_KRETPROBE_READ_RET_IP BPF_KPROBE_READ_RET_IP
#else
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