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Message-Id: <161089074126125@kroah.com>
Date: Sun, 17 Jan 2021 14:39:02 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.4.90
diff --git a/Makefile b/Makefile
index 95848875110e..5c9d680b7ce5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 89
+SUBLEVEL = 90
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c
index 3acb4192918d..f85a0fd6aca5 100644
--- a/arch/arm/mach-omap2/omap_device.c
+++ b/arch/arm/mach-omap2/omap_device.c
@@ -234,10 +234,12 @@ static int _omap_device_notifier_call(struct notifier_block *nb,
break;
case BUS_NOTIFY_BIND_DRIVER:
od = to_omap_device(pdev);
- if (od && (od->_state == OMAP_DEVICE_STATE_ENABLED) &&
- pm_runtime_status_suspended(dev)) {
+ if (od) {
od->_driver_status = BUS_NOTIFY_BIND_DRIVER;
- pm_runtime_set_active(dev);
+ if (od->_state == OMAP_DEVICE_STATE_ENABLED &&
+ pm_runtime_status_suspended(dev)) {
+ pm_runtime_set_active(dev);
+ }
}
break;
case BUS_NOTIFY_ADD_DEVICE:
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 6478635ff214..98a177dd1f89 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -625,6 +625,10 @@ static void reset_pmcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
{
u64 pmcr, val;
+ /* No PMU available, PMCR_EL0 may UNDEF... */
+ if (!kvm_arm_support_pmu_v3())
+ return;
+
pmcr = read_sysreg(pmcr_el0);
/*
* Writable bits of PMCR_EL0 (ARMV8_PMU_PMCR_MASK) are reset to UNKNOWN
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index 390edb763826..bde3e0f85425 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -869,9 +869,10 @@ GLOBAL(__begin_SYSENTER_singlestep_region)
* Xen doesn't set %esp to be precisely what the normal SYSENTER
* entry point expects, so fix it up before using the normal path.
*/
-ENTRY(xen_sysenter_target)
+SYM_CODE_START(xen_sysenter_target)
addl $5*4, %esp /* remove xen-provided frame */
jmp .Lsysenter_past_esp
+SYM_CODE_END(xen_sysenter_target)
#endif
/*
diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S
index e95e95960156..5b076cb79f5f 100644
--- a/arch/x86/kernel/acpi/wakeup_32.S
+++ b/arch/x86/kernel/acpi/wakeup_32.S
@@ -9,8 +9,7 @@
.code32
ALIGN
-ENTRY(wakeup_pmode_return)
-wakeup_pmode_return:
+SYM_CODE_START(wakeup_pmode_return)
movw $__KERNEL_DS, %ax
movw %ax, %ss
movw %ax, %fs
@@ -39,6 +38,7 @@ wakeup_pmode_return:
# jump to place where we left off
movl saved_eip, %eax
jmp *%eax
+SYM_CODE_END(wakeup_pmode_return)
bogus_magic:
jmp bogus_magic
@@ -72,7 +72,7 @@ restore_registers:
popfl
ret
-ENTRY(do_suspend_lowlevel)
+SYM_CODE_START(do_suspend_lowlevel)
call save_processor_state
call save_registers
pushl $3
@@ -87,6 +87,7 @@ ret_point:
call restore_registers
call restore_processor_state
ret
+SYM_CODE_END(do_suspend_lowlevel)
.data
ALIGN
diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index 830ccc396e26..28f786289fce 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -525,85 +525,70 @@ static void rdtgroup_remove(struct rdtgroup *rdtgrp)
kfree(rdtgrp);
}
-struct task_move_callback {
- struct callback_head work;
- struct rdtgroup *rdtgrp;
-};
-
-static void move_myself(struct callback_head *head)
+static void _update_task_closid_rmid(void *task)
{
- struct task_move_callback *callback;
- struct rdtgroup *rdtgrp;
-
- callback = container_of(head, struct task_move_callback, work);
- rdtgrp = callback->rdtgrp;
-
/*
- * If resource group was deleted before this task work callback
- * was invoked, then assign the task to root group and free the
- * resource group.
+ * If the task is still current on this CPU, update PQR_ASSOC MSR.
+ * Otherwise, the MSR is updated when the task is scheduled in.
*/
- if (atomic_dec_and_test(&rdtgrp->waitcount) &&
- (rdtgrp->flags & RDT_DELETED)) {
- current->closid = 0;
- current->rmid = 0;
- rdtgroup_remove(rdtgrp);
- }
-
- preempt_disable();
- /* update PQR_ASSOC MSR to make resource group go into effect */
- resctrl_sched_in();
- preempt_enable();
+ if (task == current)
+ resctrl_sched_in();
+}
- kfree(callback);
+static void update_task_closid_rmid(struct task_struct *t)
+{
+ if (IS_ENABLED(CONFIG_SMP) && task_curr(t))
+ smp_call_function_single(task_cpu(t), _update_task_closid_rmid, t, 1);
+ else
+ _update_task_closid_rmid(t);
}
static int __rdtgroup_move_task(struct task_struct *tsk,
struct rdtgroup *rdtgrp)
{
- struct task_move_callback *callback;
- int ret;
-
- callback = kzalloc(sizeof(*callback), GFP_KERNEL);
- if (!callback)
- return -ENOMEM;
- callback->work.func = move_myself;
- callback->rdtgrp = rdtgrp;
+ /* If the task is already in rdtgrp, no need to move the task. */
+ if ((rdtgrp->type == RDTCTRL_GROUP && tsk->closid == rdtgrp->closid &&
+ tsk->rmid == rdtgrp->mon.rmid) ||
+ (rdtgrp->type == RDTMON_GROUP && tsk->rmid == rdtgrp->mon.rmid &&
+ tsk->closid == rdtgrp->mon.parent->closid))
+ return 0;
/*
- * Take a refcount, so rdtgrp cannot be freed before the
- * callback has been invoked.
+ * Set the task's closid/rmid before the PQR_ASSOC MSR can be
+ * updated by them.
+ *
+ * For ctrl_mon groups, move both closid and rmid.
+ * For monitor groups, can move the tasks only from
+ * their parent CTRL group.
*/
- atomic_inc(&rdtgrp->waitcount);
- ret = task_work_add(tsk, &callback->work, true);
- if (ret) {
- /*
- * Task is exiting. Drop the refcount and free the callback.
- * No need to check the refcount as the group cannot be
- * deleted before the write function unlocks rdtgroup_mutex.
- */
- atomic_dec(&rdtgrp->waitcount);
- kfree(callback);
- rdt_last_cmd_puts("Task exited\n");
- } else {
- /*
- * For ctrl_mon groups move both closid and rmid.
- * For monitor groups, can move the tasks only from
- * their parent CTRL group.
- */
- if (rdtgrp->type == RDTCTRL_GROUP) {
- tsk->closid = rdtgrp->closid;
+
+ if (rdtgrp->type == RDTCTRL_GROUP) {
+ tsk->closid = rdtgrp->closid;
+ tsk->rmid = rdtgrp->mon.rmid;
+ } else if (rdtgrp->type == RDTMON_GROUP) {
+ if (rdtgrp->mon.parent->closid == tsk->closid) {
tsk->rmid = rdtgrp->mon.rmid;
- } else if (rdtgrp->type == RDTMON_GROUP) {
- if (rdtgrp->mon.parent->closid == tsk->closid) {
- tsk->rmid = rdtgrp->mon.rmid;
- } else {
- rdt_last_cmd_puts("Can't move task to different control group\n");
- ret = -EINVAL;
- }
+ } else {
+ rdt_last_cmd_puts("Can't move task to different control group\n");
+ return -EINVAL;
}
}
- return ret;
+
+ /*
+ * Ensure the task's closid and rmid are written before determining if
+ * the task is current that will decide if it will be interrupted.
+ */
+ barrier();
+
+ /*
+ * By now, the task's closid and rmid are set. If the task is current
+ * on a CPU, the PQR_ASSOC MSR needs to be updated to make the resource
+ * group go into effect. If the task is not current, the MSR will be
+ * updated when the task is scheduled in.
+ */
+ update_task_closid_rmid(tsk);
+
+ return 0;
}
/**
diff --git a/arch/x86/kernel/ftrace_32.S b/arch/x86/kernel/ftrace_32.S
index 073aab525d80..2cc0303522c9 100644
--- a/arch/x86/kernel/ftrace_32.S
+++ b/arch/x86/kernel/ftrace_32.S
@@ -89,7 +89,7 @@ WEAK(ftrace_stub)
ret
END(ftrace_caller)
-ENTRY(ftrace_regs_caller)
+SYM_CODE_START(ftrace_regs_caller)
/*
* We're here from an mcount/fentry CALL, and the stack frame looks like:
*
@@ -163,6 +163,7 @@ GLOBAL(ftrace_regs_call)
popl %eax
jmp .Lftrace_ret
+SYM_CODE_END(ftrace_regs_caller)
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
ENTRY(ftrace_graph_caller)
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 2e6a0676c1f4..11a5d5ade52c 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -64,7 +64,7 @@ RESERVE_BRK(pagetables, INIT_MAP_SIZE)
* can.
*/
__HEAD
-ENTRY(startup_32)
+SYM_CODE_START(startup_32)
movl pa(initial_stack),%ecx
/* test KEEP_SEGMENTS flag to see if the bootloader is asking
@@ -172,6 +172,7 @@ num_subarch_entries = (. - subarch_entries) / 4
#else
jmp .Ldefault_entry
#endif /* CONFIG_PARAVIRT */
+SYM_CODE_END(startup_32)
#ifdef CONFIG_HOTPLUG_CPU
/*
diff --git a/arch/x86/power/hibernate_asm_32.S b/arch/x86/power/hibernate_asm_32.S
index 6fe383002125..a19ed3d23185 100644
--- a/arch/x86/power/hibernate_asm_32.S
+++ b/arch/x86/power/hibernate_asm_32.S
@@ -35,7 +35,7 @@ ENTRY(swsusp_arch_suspend)
ret
ENDPROC(swsusp_arch_suspend)
-ENTRY(restore_image)
+SYM_CODE_START(restore_image)
/* prepare to jump to the image kernel */
movl restore_jump_address, %ebx
movl restore_cr3, %ebp
@@ -45,9 +45,10 @@ ENTRY(restore_image)
/* jump to relocated restore code */
movl relocated_restore_code, %eax
jmpl *%eax
+SYM_CODE_END(restore_image)
/* code below has been relocated to a safe page */
-ENTRY(core_restore_code)
+SYM_CODE_START(core_restore_code)
movl temp_pgt, %eax
movl %eax, %cr3
@@ -77,6 +78,7 @@ copy_loop:
done:
jmpl *%ebx
+SYM_CODE_END(core_restore_code)
/* code below belongs to the image kernel */
.align PAGE_SIZE
diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S
index 1868b158480d..3a0ef0d57734 100644
--- a/arch/x86/realmode/rm/trampoline_32.S
+++ b/arch/x86/realmode/rm/trampoline_32.S
@@ -29,7 +29,7 @@
.code16
.balign PAGE_SIZE
-ENTRY(trampoline_start)
+SYM_CODE_START(trampoline_start)
wbinvd # Needed for NUMA-Q should be harmless for others
LJMPW_RM(1f)
@@ -54,11 +54,13 @@ ENTRY(trampoline_start)
lmsw %dx # into protected mode
ljmpl $__BOOT_CS, $pa_startup_32
+SYM_CODE_END(trampoline_start)
.section ".text32","ax"
.code32
-ENTRY(startup_32) # note: also used from wakeup_asm.S
+SYM_CODE_START(startup_32) # note: also used from wakeup_asm.S
jmp *%eax
+SYM_CODE_END(startup_32)
.bss
.balign 8
diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S
index cd177772fe4d..2712e9155306 100644
--- a/arch/x86/xen/xen-asm_32.S
+++ b/arch/x86/xen/xen-asm_32.S
@@ -56,7 +56,7 @@
_ASM_EXTABLE(1b,2b)
.endm
-ENTRY(xen_iret)
+SYM_CODE_START(xen_iret)
/* test eflags for special cases */
testl $(X86_EFLAGS_VM | XEN_EFLAGS_NMI), 8(%esp)
jnz hyper_iret
@@ -122,6 +122,7 @@ xen_iret_end_crit:
hyper_iret:
/* put this out of line since its very rarely used */
jmp hypercall_page + __HYPERVISOR_iret * 32
+SYM_CODE_END(xen_iret)
.globl xen_iret_start_crit, xen_iret_end_crit
@@ -152,7 +153,7 @@ hyper_iret:
* The only caveat is that if the outer eax hasn't been restored yet (i.e.
* it's still on stack), we need to restore its value here.
*/
-ENTRY(xen_iret_crit_fixup)
+SYM_CODE_START(xen_iret_crit_fixup)
/*
* Paranoia: Make sure we're really coming from kernel space.
* One could imagine a case where userspace jumps into the
@@ -179,4 +180,4 @@ ENTRY(xen_iret_crit_fixup)
2:
ret
-END(xen_iret_crit_fixup)
+SYM_CODE_END(xen_iret_crit_fixup)
diff --git a/block/genhd.c b/block/genhd.c
index 26b31fcae217..604f0a2cbc9a 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -222,14 +222,17 @@ struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter)
part = rcu_dereference(ptbl->part[piter->idx]);
if (!part)
continue;
+ get_device(part_to_dev(part));
+ piter->part = part;
if (!part_nr_sects_read(part) &&
!(piter->flags & DISK_PITER_INCL_EMPTY) &&
!(piter->flags & DISK_PITER_INCL_EMPTY_PART0 &&
- piter->idx == 0))
+ piter->idx == 0)) {
+ put_device(part_to_dev(part));
+ piter->part = NULL;
continue;
+ }
- get_device(part_to_dev(part));
- piter->part = part;
piter->idx += inc;
break;
}
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index f58baff2be0a..398991381e9a 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -583,8 +583,12 @@ void regmap_debugfs_init(struct regmap *map, const char *name)
devname = dev_name(map->dev);
if (name) {
- map->debugfs_name = kasprintf(GFP_KERNEL, "%s-%s",
+ if (!map->debugfs_name) {
+ map->debugfs_name = kasprintf(GFP_KERNEL, "%s-%s",
devname, name);
+ if (!map->debugfs_name)
+ return;
+ }
name = map->debugfs_name;
} else {
name = devname;
@@ -592,9 +596,10 @@ void regmap_debugfs_init(struct regmap *map, const char *name)
if (!strcmp(name, "dummy")) {
kfree(map->debugfs_name);
-
map->debugfs_name = kasprintf(GFP_KERNEL, "dummy%d",
dummy_index);
+ if (!map->debugfs_name)
+ return;
name = map->debugfs_name;
dummy_index++;
}
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 1bb8ec575352..0fc27ac14f29 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -461,6 +461,7 @@ config BLK_DEV_RBD
config BLK_DEV_RSXX
tristate "IBM Flash Adapter 900GB Full Height PCIe Device Driver"
depends on PCI
+ select CRC32
help
Device driver for IBM's high speed PCIe SSD
storage device: Flash Adapter 900GB Full Height.
diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c
index 2db2f1739e09..1b2ec3be59eb 100644
--- a/drivers/cpufreq/powernow-k8.c
+++ b/drivers/cpufreq/powernow-k8.c
@@ -878,9 +878,9 @@ static int get_transition_latency(struct powernow_k8_data *data)
/* Take a frequency, and issue the fid/vid transition command */
static int transition_frequency_fidvid(struct powernow_k8_data *data,
- unsigned int index)
+ unsigned int index,
+ struct cpufreq_policy *policy)
{
- struct cpufreq_policy *policy;
u32 fid = 0;
u32 vid = 0;
int res;
@@ -912,9 +912,6 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data,
freqs.old = find_khz_freq_from_fid(data->currfid);
freqs.new = find_khz_freq_from_fid(fid);
- policy = cpufreq_cpu_get(smp_processor_id());
- cpufreq_cpu_put(policy);
-
cpufreq_freq_transition_begin(policy, &freqs);
res = transition_fid_vid(data, fid, vid);
cpufreq_freq_transition_end(policy, &freqs, res);
@@ -969,7 +966,7 @@ static long powernowk8_target_fn(void *arg)
powernow_k8_acpi_pst_values(data, newstate);
- ret = transition_frequency_fidvid(data, newstate);
+ ret = transition_frequency_fidvid(data, newstate, pol);
if (ret) {
pr_err("transition frequency failed\n");
diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c b/drivers/crypto/chelsio/chtls/chtls_cm.c
index f81a5e35d8fd..eddc6d1bdb2d 100644
--- a/drivers/crypto/chelsio/chtls/chtls_cm.c
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.c
@@ -577,7 +577,7 @@ static void chtls_reset_synq(struct listen_ctx *listen_ctx)
while (!skb_queue_empty(&listen_ctx->synq)) {
struct chtls_sock *csk =
- container_of((struct synq *)__skb_dequeue
+ container_of((struct synq *)skb_peek
(&listen_ctx->synq), struct chtls_sock, synq);
struct sock *child = csk->sk;
@@ -1021,6 +1021,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
const struct cpl_pass_accept_req *req,
struct chtls_dev *cdev)
{
+ struct adapter *adap = pci_get_drvdata(cdev->pdev);
struct inet_sock *newinet;
const struct iphdr *iph;
struct tls_context *ctx;
@@ -1030,9 +1031,10 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
struct neighbour *n;
struct tcp_sock *tp;
struct sock *newsk;
+ bool found = false;
u16 port_id;
int rxq_idx;
- int step;
+ int step, i;
iph = (const struct iphdr *)network_hdr;
newsk = tcp_create_openreq_child(lsk, oreq, cdev->askb);
@@ -1044,7 +1046,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
goto free_sk;
n = dst_neigh_lookup(dst, &iph->saddr);
- if (!n)
+ if (!n || !n->dev)
goto free_sk;
ndev = n->dev;
@@ -1053,6 +1055,13 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
if (is_vlan_dev(ndev))
ndev = vlan_dev_real_dev(ndev);
+ for_each_port(adap, i)
+ if (cdev->ports[i] == ndev)
+ found = true;
+
+ if (!found)
+ goto free_dst;
+
port_id = cxgb4_port_idx(ndev);
csk = chtls_sock_create(cdev);
@@ -1108,6 +1117,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
free_csk:
chtls_sock_release(&csk->kref);
free_dst:
+ neigh_release(n);
dst_release(dst);
free_sk:
inet_csk_prepare_forced_close(newsk);
@@ -1443,6 +1453,11 @@ static int chtls_pass_establish(struct chtls_dev *cdev, struct sk_buff *skb)
sk_wake_async(sk, 0, POLL_OUT);
data = lookup_stid(cdev->tids, stid);
+ if (!data) {
+ /* listening server close */
+ kfree_skb(skb);
+ goto unlock;
+ }
lsk = ((struct listen_ctx *)data)->lsk;
bh_lock_sock(lsk);
@@ -1828,39 +1843,6 @@ static void send_defer_abort_rpl(struct chtls_dev *cdev, struct sk_buff *skb)
kfree_skb(skb);
}
-static void send_abort_rpl(struct sock *sk, struct sk_buff *skb,
- struct chtls_dev *cdev, int status, int queue)
-{
- struct cpl_abort_req_rss *req = cplhdr(skb);
- struct sk_buff *reply_skb;
- struct chtls_sock *csk;
-
- csk = rcu_dereference_sk_user_data(sk);
-
- reply_skb = alloc_skb(sizeof(struct cpl_abort_rpl),
- GFP_KERNEL);
-
- if (!reply_skb) {
- req->status = (queue << 1);
- send_defer_abort_rpl(cdev, skb);
- return;
- }
-
- set_abort_rpl_wr(reply_skb, GET_TID(req), status);
- kfree_skb(skb);
-
- set_wr_txq(reply_skb, CPL_PRIORITY_DATA, queue);
- if (csk_conn_inline(csk)) {
- struct l2t_entry *e = csk->l2t_entry;
-
- if (e && sk->sk_state != TCP_SYN_RECV) {
- cxgb4_l2t_send(csk->egress_dev, reply_skb, e);
- return;
- }
- }
- cxgb4_ofld_send(cdev->lldi->ports[0], reply_skb);
-}
-
/*
* Add an skb to the deferred skb queue for processing from process context.
*/
@@ -1923,9 +1905,9 @@ static void bl_abort_syn_rcv(struct sock *lsk, struct sk_buff *skb)
queue = csk->txq_idx;
skb->sk = NULL;
+ chtls_send_abort_rpl(child, skb, BLOG_SKB_CB(skb)->cdev,
+ CPL_ABORT_NO_RST, queue);
do_abort_syn_rcv(child, lsk);
- send_abort_rpl(child, skb, BLOG_SKB_CB(skb)->cdev,
- CPL_ABORT_NO_RST, queue);
}
static int abort_syn_rcv(struct sock *sk, struct sk_buff *skb)
@@ -1955,8 +1937,8 @@ static int abort_syn_rcv(struct sock *sk, struct sk_buff *skb)
if (!sock_owned_by_user(psk)) {
int queue = csk->txq_idx;
+ chtls_send_abort_rpl(sk, skb, cdev, CPL_ABORT_NO_RST, queue);
do_abort_syn_rcv(sk, psk);
- send_abort_rpl(sk, skb, cdev, CPL_ABORT_NO_RST, queue);
} else {
skb->sk = sk;
BLOG_SKB_CB(skb)->backlog_rcv = bl_abort_syn_rcv;
@@ -1974,9 +1956,6 @@ static void chtls_abort_req_rss(struct sock *sk, struct sk_buff *skb)
int queue = csk->txq_idx;
if (is_neg_adv(req->status)) {
- if (sk->sk_state == TCP_SYN_RECV)
- chtls_set_tcb_tflag(sk, 0, 0);
-
kfree_skb(skb);
return;
}
@@ -2002,12 +1981,11 @@ static void chtls_abort_req_rss(struct sock *sk, struct sk_buff *skb)
if (sk->sk_state == TCP_SYN_RECV && !abort_syn_rcv(sk, skb))
return;
-
- chtls_release_resources(sk);
- chtls_conn_done(sk);
}
chtls_send_abort_rpl(sk, skb, csk->cdev, rst_status, queue);
+ chtls_release_resources(sk);
+ chtls_conn_done(sk);
}
static void chtls_abort_rpl_rss(struct sock *sk, struct sk_buff *skb)
diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c
index 7f9a86c3c58f..31577316f80b 100644
--- a/drivers/dma/dw-edma/dw-edma-core.c
+++ b/drivers/dma/dw-edma/dw-edma-core.c
@@ -85,12 +85,12 @@ static struct dw_edma_chunk *dw_edma_alloc_chunk(struct dw_edma_desc *desc)
if (desc->chunk) {
/* Create and add new element into the linked list */
- desc->chunks_alloc++;
- list_add_tail(&chunk->list, &desc->chunk->list);
if (!dw_edma_alloc_burst(chunk)) {
kfree(chunk);
return NULL;
}
+ desc->chunks_alloc++;
+ list_add_tail(&chunk->list, &desc->chunk->list);
} else {
/* List head */
chunk->burst = NULL;
diff --git a/drivers/dma/mediatek/mtk-hsdma.c b/drivers/dma/mediatek/mtk-hsdma.c
index 4c58da742143..04d89eec11e7 100644
--- a/drivers/dma/mediatek/mtk-hsdma.c
+++ b/drivers/dma/mediatek/mtk-hsdma.c
@@ -1007,6 +1007,7 @@ static int mtk_hsdma_probe(struct platform_device *pdev)
return 0;
err_free:
+ mtk_hsdma_hw_deinit(hsdma);
of_dma_controller_free(pdev->dev.of_node);
err_unregister:
dma_async_device_unregister(dd);
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index a6abfe702c5a..1b5f3e9f43d7 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -2431,7 +2431,7 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev,
has_dre = false;
if (!has_dre)
- xdev->common.copy_align = fls(width - 1);
+ xdev->common.copy_align = (enum dmaengine_alignment)fls(width - 1);
if (of_device_is_compatible(node, "xlnx,axi-vdma-mm2s-channel") ||
of_device_is_compatible(node, "xlnx,axi-dma-mm2s-channel") ||
@@ -2543,7 +2543,8 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev,
static int xilinx_dma_child_probe(struct xilinx_dma_device *xdev,
struct device_node *node)
{
- int ret, i, nr_channels = 1;
+ int ret, i;
+ u32 nr_channels = 1;
ret = of_property_read_u32(node, "dma-channels", &nr_channels);
if ((ret < 0) && xdev->mcdma)
@@ -2742,7 +2743,11 @@ static int xilinx_dma_probe(struct platform_device *pdev)
}
/* Register the DMA engine with the core */
- dma_async_device_register(&xdev->common);
+ err = dma_async_device_register(&xdev->common);
+ if (err) {
+ dev_err(xdev->dev, "failed to register the dma device\n");
+ goto error;
+ }
err = of_dma_controller_register(node, of_dma_xilinx_xlate,
xdev);
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index cd71e7133944..9e852b4bbf92 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -1270,6 +1270,37 @@ static int wacom_devm_sysfs_create_group(struct wacom *wacom,
group);
}
+static void wacom_devm_kfifo_release(struct device *dev, void *res)
+{
+ struct kfifo_rec_ptr_2 *devres = res;
+
+ kfifo_free(devres);
+}
+
+static int wacom_devm_kfifo_alloc(struct wacom *wacom)
+{
+ struct wacom_wac *wacom_wac = &wacom->wacom_wac;
+ struct kfifo_rec_ptr_2 *pen_fifo = &wacom_wac->pen_fifo;
+ int error;
+
+ pen_fifo = devres_alloc(wacom_devm_kfifo_release,
+ sizeof(struct kfifo_rec_ptr_2),
+ GFP_KERNEL);
+
+ if (!pen_fifo)
+ return -ENOMEM;
+
+ error = kfifo_alloc(pen_fifo, WACOM_PKGLEN_MAX, GFP_KERNEL);
+ if (error) {
+ devres_free(pen_fifo);
+ return error;
+ }
+
+ devres_add(&wacom->hdev->dev, pen_fifo);
+
+ return 0;
+}
+
enum led_brightness wacom_leds_brightness_get(struct wacom_led *led)
{
struct wacom *wacom = led->wacom;
@@ -2724,7 +2755,7 @@ static int wacom_probe(struct hid_device *hdev,
if (features->check_for_hid_type && features->hid_type != hdev->type)
return -ENODEV;
- error = kfifo_alloc(&wacom_wac->pen_fifo, WACOM_PKGLEN_MAX, GFP_KERNEL);
+ error = wacom_devm_kfifo_alloc(wacom);
if (error)
return error;
@@ -2786,8 +2817,6 @@ static void wacom_remove(struct hid_device *hdev)
if (wacom->wacom_wac.features.type != REMOTE)
wacom_release_resources(wacom);
-
- kfifo_free(&wacom_wac->pen_fifo);
}
#ifdef CONFIG_PM
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index c40eef4e7a98..2b6a4c1f188f 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -1424,7 +1424,7 @@ static int i801_add_mux(struct i801_priv *priv)
/* Register GPIO descriptor lookup table */
lookup = devm_kzalloc(dev,
- struct_size(lookup, table, mux_config->n_gpios),
+ struct_size(lookup, table, mux_config->n_gpios + 1),
GFP_KERNEL);
if (!lookup)
return -ENOMEM;
diff --git a/drivers/i2c/busses/i2c-sprd.c b/drivers/i2c/busses/i2c-sprd.c
index b432e7580458..b2dc80286464 100644
--- a/drivers/i2c/busses/i2c-sprd.c
+++ b/drivers/i2c/busses/i2c-sprd.c
@@ -72,6 +72,8 @@
/* timeout (ms) for pm runtime autosuspend */
#define SPRD_I2C_PM_TIMEOUT 1000
+/* timeout (ms) for transfer message */
+#define I2C_XFER_TIMEOUT 1000
/* SPRD i2c data structure */
struct sprd_i2c {
@@ -244,6 +246,7 @@ static int sprd_i2c_handle_msg(struct i2c_adapter *i2c_adap,
struct i2c_msg *msg, bool is_last_msg)
{
struct sprd_i2c *i2c_dev = i2c_adap->algo_data;
+ unsigned long time_left;
i2c_dev->msg = msg;
i2c_dev->buf = msg->buf;
@@ -273,7 +276,10 @@ static int sprd_i2c_handle_msg(struct i2c_adapter *i2c_adap,
sprd_i2c_opt_start(i2c_dev);
- wait_for_completion(&i2c_dev->complete);
+ time_left = wait_for_completion_timeout(&i2c_dev->complete,
+ msecs_to_jiffies(I2C_XFER_TIMEOUT));
+ if (!time_left)
+ return -ETIMEDOUT;
return i2c_dev->err;
}
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
index b0f3da1976e4..d1f2109012ed 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
@@ -664,13 +664,29 @@ static irqreturn_t st_lsm6dsx_handler_irq(int irq, void *private)
static irqreturn_t st_lsm6dsx_handler_thread(int irq, void *private)
{
struct st_lsm6dsx_hw *hw = private;
- int count;
+ int fifo_len = 0, len;
- mutex_lock(&hw->fifo_lock);
- count = hw->settings->fifo_ops.read_fifo(hw);
- mutex_unlock(&hw->fifo_lock);
+ /*
+ * If we are using edge IRQs, new samples can arrive while
+ * processing current interrupt since there are no hw
+ * guarantees the irq line stays "low" long enough to properly
+ * detect the new interrupt. In this case the new sample will
+ * be missed.
+ * Polling FIFO status register allow us to read new
+ * samples even if the interrupt arrives while processing
+ * previous data and the timeslot where the line is "low" is
+ * too short to be properly detected.
+ */
+ do {
+ mutex_lock(&hw->fifo_lock);
+ len = hw->settings->fifo_ops.read_fifo(hw);
+ mutex_unlock(&hw->fifo_lock);
+
+ if (len > 0)
+ fifo_len += len;
+ } while (len > 0);
- return count ? IRQ_HANDLED : IRQ_NONE;
+ return fifo_len ? IRQ_HANDLED : IRQ_NONE;
}
static int st_lsm6dsx_buffer_preenable(struct iio_dev *iio_dev)
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index f697f3a1d46b..5dcc81b1df62 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -1400,6 +1400,8 @@ static int intel_irq_remapping_alloc(struct irq_domain *domain,
irq_data = irq_domain_get_irq_data(domain, virq + i);
irq_cfg = irqd_cfg(irq_data);
if (!irq_data || !irq_cfg) {
+ if (!i)
+ kfree(data);
ret = -EINVAL;
goto out_free_data;
}
diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig
index 8f39f9ba5c80..4c2ce210c123 100644
--- a/drivers/lightnvm/Kconfig
+++ b/drivers/lightnvm/Kconfig
@@ -19,6 +19,7 @@ if NVM
config NVM_PBLK
tristate "Physical Block Device Open-Channel SSD target"
+ select CRC32
help
Allows an open-channel SSD to be exposed as a block device to the
host. The target assumes the device exposes raw flash and must be
diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig
index 17c166cc8482..e4d944770cca 100644
--- a/drivers/net/can/Kconfig
+++ b/drivers/net/can/Kconfig
@@ -123,6 +123,7 @@ config CAN_JANZ_ICAN3
config CAN_KVASER_PCIEFD
depends on PCI
tristate "Kvaser PCIe FD cards"
+ select CRC32
help
This is a driver for the Kvaser PCI Express CAN FD family.
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index d2bb9a87eff9..8a842545e3f6 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1868,8 +1868,6 @@ void m_can_class_unregister(struct m_can_classdev *m_can_dev)
{
unregister_candev(m_can_dev->net);
- m_can_clk_stop(m_can_dev);
-
free_candev(m_can_dev->net);
}
EXPORT_SYMBOL_GPL(m_can_class_unregister);
diff --git a/drivers/net/can/m_can/tcan4x5x.c b/drivers/net/can/m_can/tcan4x5x.c
index 681bb861de05..1f8710b35c6d 100644
--- a/drivers/net/can/m_can/tcan4x5x.c
+++ b/drivers/net/can/m_can/tcan4x5x.c
@@ -126,30 +126,6 @@ struct tcan4x5x_priv {
int reg_offset;
};
-static struct can_bittiming_const tcan4x5x_bittiming_const = {
- .name = DEVICE_NAME,
- .tseg1_min = 2,
- .tseg1_max = 31,
- .tseg2_min = 2,
- .tseg2_max = 16,
- .sjw_max = 16,
- .brp_min = 1,
- .brp_max = 32,
- .brp_inc = 1,
-};
-
-static struct can_bittiming_const tcan4x5x_data_bittiming_const = {
- .name = DEVICE_NAME,
- .tseg1_min = 1,
- .tseg1_max = 32,
- .tseg2_min = 1,
- .tseg2_max = 16,
- .sjw_max = 16,
- .brp_min = 1,
- .brp_max = 32,
- .brp_inc = 1,
-};
-
static void tcan4x5x_check_wake(struct tcan4x5x_priv *priv)
{
int wake_state = 0;
@@ -449,8 +425,6 @@ static int tcan4x5x_can_probe(struct spi_device *spi)
mcan_class->dev = &spi->dev;
mcan_class->ops = &tcan4x5x_ops;
mcan_class->is_peripheral = true;
- mcan_class->bit_timing = &tcan4x5x_bittiming_const;
- mcan_class->data_timing = &tcan4x5x_data_bittiming_const;
mcan_class->net->irq = spi->irq;
spi_set_drvdata(spi, priv);
diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c
index 0d9b3fa7bd94..ee1e67df1e7b 100644
--- a/drivers/net/dsa/lantiq_gswip.c
+++ b/drivers/net/dsa/lantiq_gswip.c
@@ -1419,11 +1419,12 @@ static void gswip_phylink_validate(struct dsa_switch *ds, int port,
phylink_set(mask, Pause);
phylink_set(mask, Asym_Pause);
- /* With the exclusion of MII and Reverse MII, we support Gigabit,
- * including Half duplex
+ /* With the exclusion of MII, Reverse MII and Reduced MII, we
+ * support Gigabit, including Half duplex
*/
if (state->interface != PHY_INTERFACE_MODE_MII &&
- state->interface != PHY_INTERFACE_MODE_REVMII) {
+ state->interface != PHY_INTERFACE_MODE_REVMII &&
+ state->interface != PHY_INTERFACE_MODE_RMII) {
phylink_set(mask, 1000baseT_Full);
phylink_set(mask, 1000baseT_Half);
}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
index f8a87f8ca983..148e53812d89 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
@@ -123,7 +123,7 @@ struct hclgevf_mbx_arq_ring {
#define hclge_mbx_ring_ptr_move_crq(crq) \
(crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num)
#define hclge_mbx_tail_ptr_move_arq(arq) \
- (arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE)
+ (arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
#define hclge_mbx_head_ptr_move_arq(arq) \
- (arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE)
+ (arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
#endif
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 6c3d13110993..6887b7fda6e0 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -746,7 +746,8 @@ static int hclge_get_sset_count(struct hnae3_handle *handle, int stringset)
handle->flags |= HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK;
handle->flags |= HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK;
- if (hdev->hw.mac.phydev) {
+ if (hdev->hw.mac.phydev && hdev->hw.mac.phydev->drv &&
+ hdev->hw.mac.phydev->drv->set_loopback) {
count += 1;
handle->flags |= HNAE3_SUPPORT_PHY_LOOPBACK;
}
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 8827ab4b4932..6988bbf2576f 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -4545,7 +4545,7 @@ static int mvpp2_port_init(struct mvpp2_port *port)
struct mvpp2 *priv = port->priv;
struct mvpp2_txq_pcpu *txq_pcpu;
unsigned int thread;
- int queue, err;
+ int queue, err, val;
/* Checks for hardware constraints */
if (port->first_rxq + port->nrxqs >
@@ -4559,6 +4559,18 @@ static int mvpp2_port_init(struct mvpp2_port *port)
mvpp2_egress_disable(port);
mvpp2_port_disable(port);
+ if (mvpp2_is_xlg(port->phy_interface)) {
+ val = readl(port->base + MVPP22_XLG_CTRL0_REG);
+ val &= ~MVPP22_XLG_CTRL0_FORCE_LINK_PASS;
+ val |= MVPP22_XLG_CTRL0_FORCE_LINK_DOWN;
+ writel(val, port->base + MVPP22_XLG_CTRL0_REG);
+ } else {
+ val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
+ val &= ~MVPP2_GMAC_FORCE_LINK_PASS;
+ val |= MVPP2_GMAC_FORCE_LINK_DOWN;
+ writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
+ }
+
port->tx_time_coal = MVPP2_TXDONE_COAL_USEC;
port->txqs = devm_kcalloc(dev, port->ntxqs, sizeof(*port->txqs),
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index 6d55e3d0b7ea..54e9f6dc24ea 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
@@ -725,8 +725,10 @@ static int cgx_lmac_init(struct cgx *cgx)
if (!lmac)
return -ENOMEM;
lmac->name = kcalloc(1, sizeof("cgx_fwi_xxx_yyy"), GFP_KERNEL);
- if (!lmac->name)
- return -ENOMEM;
+ if (!lmac->name) {
+ err = -ENOMEM;
+ goto err_lmac_free;
+ }
sprintf(lmac->name, "cgx_fwi_%d_%d", cgx->cgx_id, i);
lmac->lmac_id = i;
lmac->cgx = cgx;
@@ -737,7 +739,7 @@ static int cgx_lmac_init(struct cgx *cgx)
CGX_LMAC_FWI + i * 9),
cgx_fwi_event_handler, 0, lmac->name, lmac);
if (err)
- return err;
+ goto err_irq;
/* Enable interrupt */
cgx_write(cgx, lmac->lmac_id, CGXX_CMRX_INT_ENA_W1S,
@@ -748,6 +750,12 @@ static int cgx_lmac_init(struct cgx *cgx)
}
return cgx_lmac_verify_fwi_version(cgx);
+
+err_irq:
+ kfree(lmac->name);
+err_lmac_free:
+ kfree(lmac);
+ return err;
}
static int cgx_lmac_exit(struct cgx *cgx)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 8cd529556b21..01089c2283d7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -976,6 +976,22 @@ static int mlx5e_get_link_ksettings(struct net_device *netdev,
return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings);
}
+static int mlx5e_speed_validate(struct net_device *netdev, bool ext,
+ const unsigned long link_modes, u8 autoneg)
+{
+ /* Extended link-mode has no speed limitations. */
+ if (ext)
+ return 0;
+
+ if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) &&
+ autoneg != AUTONEG_ENABLE) {
+ netdev_err(netdev, "%s: 56G link speed requires autoneg enabled\n",
+ __func__);
+ return -EINVAL;
+ }
+ return 0;
+}
+
static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes)
{
u32 i, ptys_modes = 0;
@@ -1068,13 +1084,9 @@ int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv,
link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) :
mlx5e_port_speed2linkmodes(mdev, speed, !ext);
- if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) &&
- autoneg != AUTONEG_ENABLE) {
- netdev_err(priv->netdev, "%s: 56G link speed requires autoneg enabled\n",
- __func__);
- err = -EINVAL;
+ err = mlx5e_speed_validate(priv->netdev, ext, link_modes, autoneg);
+ if (err)
goto out;
- }
link_modes = link_modes & eproto.cap;
if (!link_modes) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
index 713dc210f710..c4ac7a9968d1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
@@ -927,6 +927,7 @@ static int mlx5e_create_ttc_table_groups(struct mlx5e_ttc_table *ttc,
in = kvzalloc(inlen, GFP_KERNEL);
if (!in) {
kfree(ft->g);
+ ft->g = NULL;
return -ENOMEM;
}
@@ -1067,6 +1068,7 @@ static int mlx5e_create_inner_ttc_table_groups(struct mlx5e_ttc_table *ttc)
in = kvzalloc(inlen, GFP_KERNEL);
if (!in) {
kfree(ft->g);
+ ft->g = NULL;
return -ENOMEM;
}
@@ -1346,6 +1348,7 @@ static int mlx5e_create_l2_table_groups(struct mlx5e_l2_table *l2_table)
ft->g[ft->num_groups] = NULL;
mlx5e_destroy_groups(ft);
kvfree(in);
+ kfree(ft->g);
return err;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/rdma.c b/drivers/net/ethernet/mellanox/mlx5/core/rdma.c
index 0fc7de4aa572..8e0dddc6383f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/rdma.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/rdma.c
@@ -116,7 +116,7 @@ static int mlx5_rdma_enable_roce_steering(struct mlx5_core_dev *dev)
static void mlx5_rdma_del_roce_addr(struct mlx5_core_dev *dev)
{
mlx5_core_roce_gid_set(dev, 0, 0, 0,
- NULL, NULL, false, 0, 0);
+ NULL, NULL, false, 0, 1);
}
static void mlx5_rdma_make_default_gid(struct mlx5_core_dev *dev, union ib_gid *gid)
diff --git a/drivers/net/ethernet/natsemi/macsonic.c b/drivers/net/ethernet/natsemi/macsonic.c
index 0937fc2a928e..23c9394cd5d2 100644
--- a/drivers/net/ethernet/natsemi/macsonic.c
+++ b/drivers/net/ethernet/natsemi/macsonic.c
@@ -540,10 +540,14 @@ static int mac_sonic_platform_probe(struct platform_device *pdev)
err = register_netdev(dev);
if (err)
- goto out;
+ goto undo_probe;
return 0;
+undo_probe:
+ dma_free_coherent(lp->device,
+ SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+ lp->descriptors, lp->descriptors_laddr);
out:
free_netdev(dev);
@@ -618,12 +622,16 @@ static int mac_sonic_nubus_probe(struct nubus_board *board)
err = register_netdev(ndev);
if (err)
- goto out;
+ goto undo_probe;
nubus_set_drvdata(board, ndev);
return 0;
+undo_probe:
+ dma_free_coherent(lp->device,
+ SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+ lp->descriptors, lp->descriptors_laddr);
out:
free_netdev(ndev);
return err;
diff --git a/drivers/net/ethernet/natsemi/xtsonic.c b/drivers/net/ethernet/natsemi/xtsonic.c
index e1b886e87a76..44171d7bb434 100644
--- a/drivers/net/ethernet/natsemi/xtsonic.c
+++ b/drivers/net/ethernet/natsemi/xtsonic.c
@@ -265,11 +265,14 @@ int xtsonic_probe(struct platform_device *pdev)
sonic_msg_init(dev);
if ((err = register_netdev(dev)))
- goto out1;
+ goto undo_probe1;
return 0;
-out1:
+undo_probe1:
+ dma_free_coherent(lp->device,
+ SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+ lp->descriptors, lp->descriptors_laddr);
release_region(dev->base_addr, SONIC_MEM_SIZE);
out:
free_netdev(dev);
diff --git a/drivers/net/ethernet/qlogic/Kconfig b/drivers/net/ethernet/qlogic/Kconfig
index 55a29ec76680..58eac2471d53 100644
--- a/drivers/net/ethernet/qlogic/Kconfig
+++ b/drivers/net/ethernet/qlogic/Kconfig
@@ -78,6 +78,7 @@ config QED
depends on PCI
select ZLIB_INFLATE
select CRC8
+ select CRC32
select NET_DEVLINK
---help---
This enables the support for ...
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index e9e0867ec139..c4c9cbdeb601 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -64,6 +64,7 @@ struct emac_variant {
* @variant: reference to the current board variant
* @regmap: regmap for using the syscon
* @internal_phy_powered: Does the internal PHY is enabled
+ * @use_internal_phy: Is the internal PHY selected for use
* @mux_handle: Internal pointer used by mdio-mux lib
*/
struct sunxi_priv_data {
@@ -74,6 +75,7 @@ struct sunxi_priv_data {
const struct emac_variant *variant;
struct regmap_field *regmap_field;
bool internal_phy_powered;
+ bool use_internal_phy;
void *mux_handle;
};
@@ -523,8 +525,11 @@ static const struct stmmac_dma_ops sun8i_dwmac_dma_ops = {
.dma_interrupt = sun8i_dwmac_dma_interrupt,
};
+static int sun8i_dwmac_power_internal_phy(struct stmmac_priv *priv);
+
static int sun8i_dwmac_init(struct platform_device *pdev, void *priv)
{
+ struct net_device *ndev = platform_get_drvdata(pdev);
struct sunxi_priv_data *gmac = priv;
int ret;
@@ -538,13 +543,25 @@ static int sun8i_dwmac_init(struct platform_device *pdev, void *priv)
ret = clk_prepare_enable(gmac->tx_clk);
if (ret) {
- if (gmac->regulator)
- regulator_disable(gmac->regulator);
dev_err(&pdev->dev, "Could not enable AHB clock\n");
- return ret;
+ goto err_disable_regulator;
+ }
+
+ if (gmac->use_internal_phy) {
+ ret = sun8i_dwmac_power_internal_phy(netdev_priv(ndev));
+ if (ret)
+ goto err_disable_clk;
}
return 0;
+
+err_disable_clk:
+ clk_disable_unprepare(gmac->tx_clk);
+err_disable_regulator:
+ if (gmac->regulator)
+ regulator_disable(gmac->regulator);
+
+ return ret;
}
static void sun8i_dwmac_core_init(struct mac_device_info *hw,
@@ -815,7 +832,6 @@ static int mdio_mux_syscon_switch_fn(int current_child, int desired_child,
struct sunxi_priv_data *gmac = priv->plat->bsp_priv;
u32 reg, val;
int ret = 0;
- bool need_power_ephy = false;
if (current_child ^ desired_child) {
regmap_field_read(gmac->regmap_field, ®);
@@ -823,13 +839,12 @@ static int mdio_mux_syscon_switch_fn(int current_child, int desired_child,
case DWMAC_SUN8I_MDIO_MUX_INTERNAL_ID:
dev_info(priv->device, "Switch mux to internal PHY");
val = (reg & ~H3_EPHY_MUX_MASK) | H3_EPHY_SELECT;
-
- need_power_ephy = true;
+ gmac->use_internal_phy = true;
break;
case DWMAC_SUN8I_MDIO_MUX_EXTERNAL_ID:
dev_info(priv->device, "Switch mux to external PHY");
val = (reg & ~H3_EPHY_MUX_MASK) | H3_EPHY_SHUTDOWN;
- need_power_ephy = false;
+ gmac->use_internal_phy = false;
break;
default:
dev_err(priv->device, "Invalid child ID %x\n",
@@ -837,7 +852,7 @@ static int mdio_mux_syscon_switch_fn(int current_child, int desired_child,
return -EINVAL;
}
regmap_field_write(gmac->regmap_field, val);
- if (need_power_ephy) {
+ if (gmac->use_internal_phy) {
ret = sun8i_dwmac_power_internal_phy(priv);
if (ret)
return ret;
@@ -988,17 +1003,12 @@ static void sun8i_dwmac_exit(struct platform_device *pdev, void *priv)
struct sunxi_priv_data *gmac = priv;
if (gmac->variant->soc_has_internal_phy) {
- /* sun8i_dwmac_exit could be called with mdiomux uninit */
- if (gmac->mux_handle)
- mdio_mux_uninit(gmac->mux_handle);
if (gmac->internal_phy_powered)
sun8i_dwmac_unpower_internal_phy(gmac);
}
sun8i_dwmac_unset_syscon(gmac);
- reset_control_put(gmac->rst_ephy);
-
clk_disable_unprepare(gmac->tx_clk);
if (gmac->regulator)
@@ -1227,12 +1237,32 @@ static int sun8i_dwmac_probe(struct platform_device *pdev)
return ret;
dwmac_mux:
+ reset_control_put(gmac->rst_ephy);
+ clk_put(gmac->ephy_clk);
sun8i_dwmac_unset_syscon(gmac);
dwmac_exit:
stmmac_pltfr_remove(pdev);
return ret;
}
+static int sun8i_dwmac_remove(struct platform_device *pdev)
+{
+ struct net_device *ndev = platform_get_drvdata(pdev);
+ struct stmmac_priv *priv = netdev_priv(ndev);
+ struct sunxi_priv_data *gmac = priv->plat->bsp_priv;
+
+ if (gmac->variant->soc_has_internal_phy) {
+ mdio_mux_uninit(gmac->mux_handle);
+ sun8i_dwmac_unpower_internal_phy(gmac);
+ reset_control_put(gmac->rst_ephy);
+ clk_put(gmac->ephy_clk);
+ }
+
+ stmmac_pltfr_remove(pdev);
+
+ return 0;
+}
+
static const struct of_device_id sun8i_dwmac_match[] = {
{ .compatible = "allwinner,sun8i-h3-emac",
.data = &emac_variant_h3 },
@@ -1252,7 +1282,7 @@ MODULE_DEVICE_TABLE(of, sun8i_dwmac_match);
static struct platform_driver sun8i_dwmac_driver = {
.probe = sun8i_dwmac_probe,
- .remove = stmmac_pltfr_remove,
+ .remove = sun8i_dwmac_remove,
.driver = {
.name = "dwmac-sun8i",
.pm = &stmmac_pltfr_pm_ops,
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index d407489cec90..cbe7f35eac98 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -1126,7 +1126,10 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
* accordingly. Otherwise, we should check here.
*/
if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END)
- delayed_ndp_size = ALIGN(ctx->max_ndp_size, ctx->tx_ndp_modulus);
+ delayed_ndp_size = ctx->max_ndp_size +
+ max_t(u32,
+ ctx->tx_ndp_modulus,
+ ctx->tx_modulus + ctx->tx_remainder) - 1;
else
delayed_ndp_size = 0;
@@ -1307,7 +1310,8 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
if (!(dev->driver_info->flags & FLAG_SEND_ZLP) &&
skb_out->len > ctx->min_tx_pkt) {
padding_count = ctx->tx_curr_size - skb_out->len;
- skb_put_zero(skb_out, padding_count);
+ if (!WARN_ON(padding_count > ctx->tx_curr_size))
+ skb_put_zero(skb_out, padding_count);
} else if (skb_out->len < ctx->tx_curr_size &&
(skb_out->len % dev->maxpacket) == 0) {
skb_put_u8(skb_out, 0); /* force short packet */
diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig
index 058d77d2e693..0d6e1829e0ac 100644
--- a/drivers/net/wan/Kconfig
+++ b/drivers/net/wan/Kconfig
@@ -282,6 +282,7 @@ config SLIC_DS26522
tristate "Slic Maxim ds26522 card support"
depends on SPI
depends on FSL_SOC || ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST
+ select BITREVERSE
help
This module initializes and configures the slic maxim card
in T1 or E1 mode.
diff --git a/drivers/net/wireless/ath/wil6210/Kconfig b/drivers/net/wireless/ath/wil6210/Kconfig
index 0d1a8dab30ed..32e1c036f3ac 100644
--- a/drivers/net/wireless/ath/wil6210/Kconfig
+++ b/drivers/net/wireless/ath/wil6210/Kconfig
@@ -2,6 +2,7 @@
config WIL6210
tristate "Wilocity 60g WiFi card wil6210 support"
select WANT_DEV_COREDUMP
+ select CRC32
depends on CFG80211
depends on PCI
default n
diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c
index f11e4bfbc91b..a47f87b8373d 100644
--- a/drivers/regulator/qcom-rpmh-regulator.c
+++ b/drivers/regulator/qcom-rpmh-regulator.c
@@ -726,7 +726,7 @@ static const struct rpmh_vreg_hw_data pmic5_ftsmps510 = {
static const struct rpmh_vreg_hw_data pmic5_hfsmps515 = {
.regulator_type = VRM,
.ops = &rpmh_regulator_vrm_ops,
- .voltage_range = REGULATOR_LINEAR_RANGE(2800000, 0, 4, 1600),
+ .voltage_range = REGULATOR_LINEAR_RANGE(2800000, 0, 4, 16000),
.n_voltages = 5,
.pmic_mode_map = pmic_mode_map_pmic5_smps,
.of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode,
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index a1c23e998f97..8dee16aca421 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2114,7 +2114,7 @@ static netdev_features_t qeth_l3_osa_features_check(struct sk_buff *skb,
struct net_device *dev,
netdev_features_t features)
{
- if (qeth_get_ip_version(skb) != 4)
+ if (vlan_get_protocol(skb) != htons(ETH_P_IP))
features &= ~NETIF_F_HW_VLAN_CTAG_TX;
return qeth_features_check(skb, dev, features);
}
diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
index ed20ad295088..77ddf23b65d6 100644
--- a/drivers/spi/spi-stm32.c
+++ b/drivers/spi/spi-stm32.c
@@ -494,9 +494,9 @@ static u32 stm32h7_spi_prepare_fthlv(struct stm32_spi *spi, u32 xfer_len)
/* align packet size with data registers access */
if (spi->cur_bpw > 8)
- fthlv -= (fthlv % 2); /* multiple of 2 */
+ fthlv += (fthlv % 2) ? 1 : 0;
else
- fthlv -= (fthlv % 4); /* multiple of 4 */
+ fthlv += (fthlv % 4) ? (4 - (fthlv % 4)) : 0;
if (!fthlv)
fthlv = 1;
diff --git a/drivers/staging/exfat/exfat_super.c b/drivers/staging/exfat/exfat_super.c
index 58c7d66060f7..dd12777b9a78 100644
--- a/drivers/staging/exfat/exfat_super.c
+++ b/drivers/staging/exfat/exfat_super.c
@@ -59,7 +59,7 @@ static void exfat_write_super(struct super_block *sb);
/* Convert a FAT time/date pair to a UNIX date (seconds since 1 1 70). */
static void exfat_time_fat2unix(struct timespec64 *ts, struct date_time_t *tp)
{
- ts->tv_sec = mktime64(tp->Year + 1980, tp->Month + 1, tp->Day,
+ ts->tv_sec = mktime64(tp->Year + 1980, tp->Month, tp->Day,
tp->Hour, tp->Minute, tp->Second);
ts->tv_nsec = tp->MilliSecond * NSEC_PER_MSEC;
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 3b31e83a9215..bc6ba41686fa 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -2303,6 +2303,24 @@ static int vfio_iommu_iova_build_caps(struct vfio_iommu *iommu,
return ret;
}
+static int vfio_iommu_dma_avail_build_caps(struct vfio_iommu *iommu,
+ struct vfio_info_cap *caps)
+{
+ struct vfio_iommu_type1_info_dma_avail cap_dma_avail;
+ int ret;
+
+ mutex_lock(&iommu->lock);
+ cap_dma_avail.header.id = VFIO_IOMMU_TYPE1_INFO_DMA_AVAIL;
+ cap_dma_avail.header.version = 1;
+
+ cap_dma_avail.avail = iommu->dma_avail;
+
+ ret = vfio_info_add_capability(caps, &cap_dma_avail.header,
+ sizeof(cap_dma_avail));
+ mutex_unlock(&iommu->lock);
+ return ret;
+}
+
static long vfio_iommu_type1_ioctl(void *iommu_data,
unsigned int cmd, unsigned long arg)
{
@@ -2349,6 +2367,10 @@ static long vfio_iommu_type1_ioctl(void *iommu_data,
info.iova_pgsizes = vfio_pgsize_bitmap(iommu);
ret = vfio_iommu_iova_build_caps(iommu, &caps);
+
+ if (!ret)
+ ret = vfio_iommu_dma_avail_build_caps(iommu, &caps);
+
if (ret)
return ret;
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index e5e242587595..130f16cc0b86 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -520,7 +520,10 @@
*/
#define TEXT_TEXT \
ALIGN_FUNCTION(); \
- *(.text.hot TEXT_MAIN .text.fixup .text.unlikely) \
+ *(.text.hot .text.hot.*) \
+ *(TEXT_MAIN .text.fixup) \
+ *(.text.unlikely .text.unlikely.*) \
+ *(.text.unknown .text.unknown.*) \
*(.text..refcount) \
*(.ref.text) \
MEM_KEEP(init.text*) \
diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
index 9e843a147ead..cabc93118f9c 100644
--- a/include/uapi/linux/vfio.h
+++ b/include/uapi/linux/vfio.h
@@ -748,6 +748,21 @@ struct vfio_iommu_type1_info_cap_iova_range {
struct vfio_iova_range iova_ranges[];
};
+/*
+ * The DMA available capability allows to report the current number of
+ * simultaneously outstanding DMA mappings that are allowed.
+ *
+ * The structure below defines version 1 of this capability.
+ *
+ * avail: specifies the current number of outstanding DMA mappings allowed.
+ */
+#define VFIO_IOMMU_TYPE1_INFO_DMA_AVAIL 3
+
+struct vfio_iommu_type1_info_dma_avail {
+ struct vfio_info_cap_header header;
+ __u32 avail;
+};
+
#define VFIO_IOMMU_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12)
/**
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index d4bcfd8f95bf..3f47abf9ef4a 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -280,7 +280,8 @@ static int register_vlan_device(struct net_device *real_dev, u16 vlan_id)
return 0;
out_free_newdev:
- if (new_dev->reg_state == NETREG_UNINITIALIZED)
+ if (new_dev->reg_state == NETREG_UNINITIALIZED ||
+ new_dev->reg_state == NETREG_UNREGISTERED)
free_netdev(new_dev);
return err;
}
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index a0486dcf5425..49d923c227a2 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2017,6 +2017,12 @@ int pskb_trim_rcsum_slow(struct sk_buff *skb, unsigned int len)
skb->csum = csum_block_sub(skb->csum,
skb_checksum(skb, len, delta, 0),
len);
+ } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ int hdlen = (len > skb_headlen(skb)) ? skb_headlen(skb) : len;
+ int offset = skb_checksum_start_offset(skb) + skb->csum_offset;
+
+ if (offset + sizeof(__sum16) > hdlen)
+ return -EINVAL;
}
return __pskb_trim(skb, len);
}
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 079dcf9f0c56..7a394479dd56 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -303,7 +303,7 @@ static int __ip_finish_output(struct net *net, struct sock *sk, struct sk_buff *
if (skb_is_gso(skb))
return ip_finish_output_gso(net, sk, skb, mtu);
- if (skb->len > mtu || (IPCB(skb)->flags & IPSKB_FRAG_PMTU))
+ if (skb->len > mtu || IPCB(skb)->frag_max_size)
return ip_fragment(net, sk, skb, mtu, ip_finish_output2);
return ip_finish_output2(net, sk, skb);
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index f61c5a0b502a..ca525cf681a4 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -765,8 +765,11 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
goto tx_error;
}
- if (tnl_update_pmtu(dev, skb, rt, tnl_params->frag_off, inner_iph,
- 0, 0, false)) {
+ df = tnl_params->frag_off;
+ if (skb->protocol == htons(ETH_P_IP) && !tunnel->ignore_df)
+ df |= (inner_iph->frag_off & htons(IP_DF));
+
+ if (tnl_update_pmtu(dev, skb, rt, df, inner_iph, 0, 0, false)) {
ip_rt_put(rt);
goto tx_error;
}
@@ -794,10 +797,6 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
ttl = ip4_dst_hoplimit(&rt->dst);
}
- df = tnl_params->frag_off;
- if (skb->protocol == htons(ETH_P_IP) && !tunnel->ignore_df)
- df |= (inner_iph->frag_off&htons(IP_DF));
-
max_headroom = LL_RESERVED_SPACE(rt->dst.dev) + sizeof(struct iphdr)
+ rt->dst.header_len + ip_encap_hlen(&tunnel->encap);
if (max_headroom > dev->needed_headroom)
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index ea32b113089d..c2b7d43d92b0 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -1157,8 +1157,10 @@ static struct nexthop *nexthop_create_group(struct net *net,
return nh;
out_no_nh:
- for (; i >= 0; --i)
+ for (i--; i >= 0; --i) {
+ list_del(&nhg->nh_entries[i].nh_list);
nexthop_put(nhg->nh_entries[i].nh);
+ }
kfree(nhg->spare);
kfree(nhg);
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 0646fce31b67..906ac5e6d96c 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -973,6 +973,8 @@ static void fib6_purge_rt(struct fib6_info *rt, struct fib6_node *fn,
{
struct fib6_table *table = rt->fib6_table;
+ /* Flush all cached dst in exception table */
+ rt6_flush_exceptions(rt);
fib6_drop_pcpu_from(rt, table);
if (rt->nh && !list_empty(&rt->nh_list))
@@ -1839,9 +1841,6 @@ static void fib6_del_route(struct fib6_table *table, struct fib6_node *fn,
net->ipv6.rt6_stats->fib_rt_entries--;
net->ipv6.rt6_stats->fib_discarded_routes++;
- /* Flush all cached dst in exception table */
- rt6_flush_exceptions(rt);
-
/* Reset round-robin state, if necessary */
if (rcu_access_pointer(fn->rr_ptr) == rt)
fn->rr_ptr = NULL;
diff --git a/tools/bpf/bpftool/net.c b/tools/bpf/bpftool/net.c
index bb311ccc6c48..c6787a1daa48 100644
--- a/tools/bpf/bpftool/net.c
+++ b/tools/bpf/bpftool/net.c
@@ -9,7 +9,6 @@
#include <unistd.h>
#include <libbpf.h>
#include <net/if.h>
-#include <linux/if.h>
#include <linux/rtnetlink.h>
#include <linux/tc_act/tc_bpf.h>
#include <sys/socket.h>
diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh
index 71a62e7e35b1..3429767cadcd 100755
--- a/tools/testing/selftests/net/pmtu.sh
+++ b/tools/testing/selftests/net/pmtu.sh
@@ -119,7 +119,15 @@
# - list_flush_ipv6_exception
# Using the same topology as in pmtu_ipv6, create exceptions, and check
# they are shown when listing exception caches, gone after flushing them
-
+#
+# - pmtu_ipv4_route_change
+# Use the same topology as in pmtu_ipv4, but issue a route replacement
+# command and delete the corresponding device afterward. This tests for
+# proper cleanup of the PMTU exceptions by the route replacement path.
+# Device unregistration should complete successfully
+#
+# - pmtu_ipv6_route_change
+# Same as above but with IPv6
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
@@ -161,7 +169,9 @@ tests="
cleanup_ipv4_exception ipv4: cleanup of cached exceptions 1
cleanup_ipv6_exception ipv6: cleanup of cached exceptions 1
list_flush_ipv4_exception ipv4: list and flush cached exceptions 1
- list_flush_ipv6_exception ipv6: list and flush cached exceptions 1"
+ list_flush_ipv6_exception ipv6: list and flush cached exceptions 1
+ pmtu_ipv4_route_change ipv4: PMTU exception w/route replace 1
+ pmtu_ipv6_route_change ipv6: PMTU exception w/route replace 1"
NS_A="ns-A"
NS_B="ns-B"
@@ -1316,6 +1326,63 @@ test_list_flush_ipv6_exception() {
return ${fail}
}
+test_pmtu_ipvX_route_change() {
+ family=${1}
+
+ setup namespaces routing || return 2
+ trace "${ns_a}" veth_A-R1 "${ns_r1}" veth_R1-A \
+ "${ns_r1}" veth_R1-B "${ns_b}" veth_B-R1 \
+ "${ns_a}" veth_A-R2 "${ns_r2}" veth_R2-A \
+ "${ns_r2}" veth_R2-B "${ns_b}" veth_B-R2
+
+ if [ ${family} -eq 4 ]; then
+ ping=ping
+ dst1="${prefix4}.${b_r1}.1"
+ dst2="${prefix4}.${b_r2}.1"
+ gw="${prefix4}.${a_r1}.2"
+ else
+ ping=${ping6}
+ dst1="${prefix6}:${b_r1}::1"
+ dst2="${prefix6}:${b_r2}::1"
+ gw="${prefix6}:${a_r1}::2"
+ fi
+
+ # Set up initial MTU values
+ mtu "${ns_a}" veth_A-R1 2000
+ mtu "${ns_r1}" veth_R1-A 2000
+ mtu "${ns_r1}" veth_R1-B 1400
+ mtu "${ns_b}" veth_B-R1 1400
+
+ mtu "${ns_a}" veth_A-R2 2000
+ mtu "${ns_r2}" veth_R2-A 2000
+ mtu "${ns_r2}" veth_R2-B 1500
+ mtu "${ns_b}" veth_B-R2 1500
+
+ # Create route exceptions
+ run_cmd ${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1800 ${dst1}
+ run_cmd ${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1800 ${dst2}
+
+ # Check that exceptions have been created with the correct PMTU
+ pmtu_1="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst1})"
+ check_pmtu_value "1400" "${pmtu_1}" "exceeding MTU" || return 1
+ pmtu_2="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst2})"
+ check_pmtu_value "1500" "${pmtu_2}" "exceeding MTU" || return 1
+
+ # Replace the route from A to R1
+ run_cmd ${ns_a} ip route change default via ${gw}
+
+ # Delete the device in A
+ run_cmd ${ns_a} ip link del "veth_A-R1"
+}
+
+test_pmtu_ipv4_route_change() {
+ test_pmtu_ipvX_route_change 4
+}
+
+test_pmtu_ipv6_route_change() {
+ test_pmtu_ipvX_route_change 6
+}
+
usage() {
echo
echo "$0 [OPTIONS] [TEST]..."
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