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-rwxr-xr-xscripts/bpf_helpers_doc.py155
-rwxr-xr-xscripts/checkpatch.pl9
-rw-r--r--scripts/spelling.txt28
-rwxr-xr-xscripts/tools-support-relr.sh8
4 files changed, 192 insertions, 8 deletions
diff --git a/scripts/bpf_helpers_doc.py b/scripts/bpf_helpers_doc.py
index 894cc58c1a03..7548569e8076 100755
--- a/scripts/bpf_helpers_doc.py
+++ b/scripts/bpf_helpers_doc.py
@@ -391,6 +391,154 @@ SEE ALSO
print('')
+class PrinterHelpers(Printer):
+ """
+ A printer for dumping collected information about helpers as C header to
+ be included from BPF program.
+ @helpers: array of Helper objects to print to standard output
+ """
+
+ type_fwds = [
+ 'struct bpf_fib_lookup',
+ 'struct bpf_perf_event_data',
+ 'struct bpf_perf_event_value',
+ 'struct bpf_sock',
+ 'struct bpf_sock_addr',
+ 'struct bpf_sock_ops',
+ 'struct bpf_sock_tuple',
+ 'struct bpf_spin_lock',
+ 'struct bpf_sysctl',
+ 'struct bpf_tcp_sock',
+ 'struct bpf_tunnel_key',
+ 'struct bpf_xfrm_state',
+ 'struct pt_regs',
+ 'struct sk_reuseport_md',
+ 'struct sockaddr',
+ 'struct tcphdr',
+
+ 'struct __sk_buff',
+ 'struct sk_msg_md',
+ 'struct xdp_md',
+ ]
+ known_types = {
+ '...',
+ 'void',
+ 'const void',
+ 'char',
+ 'const char',
+ 'int',
+ 'long',
+ 'unsigned long',
+
+ '__be16',
+ '__be32',
+ '__wsum',
+
+ 'struct bpf_fib_lookup',
+ 'struct bpf_perf_event_data',
+ 'struct bpf_perf_event_value',
+ 'struct bpf_sock',
+ 'struct bpf_sock_addr',
+ 'struct bpf_sock_ops',
+ 'struct bpf_sock_tuple',
+ 'struct bpf_spin_lock',
+ 'struct bpf_sysctl',
+ 'struct bpf_tcp_sock',
+ 'struct bpf_tunnel_key',
+ 'struct bpf_xfrm_state',
+ 'struct pt_regs',
+ 'struct sk_reuseport_md',
+ 'struct sockaddr',
+ 'struct tcphdr',
+ }
+ mapped_types = {
+ 'u8': '__u8',
+ 'u16': '__u16',
+ 'u32': '__u32',
+ 'u64': '__u64',
+ 's8': '__s8',
+ 's16': '__s16',
+ 's32': '__s32',
+ 's64': '__s64',
+ 'size_t': 'unsigned long',
+ 'struct bpf_map': 'void',
+ 'struct sk_buff': 'struct __sk_buff',
+ 'const struct sk_buff': 'const struct __sk_buff',
+ 'struct sk_msg_buff': 'struct sk_msg_md',
+ 'struct xdp_buff': 'struct xdp_md',
+ }
+
+ def print_header(self):
+ header = '''\
+/* This is auto-generated file. See bpf_helpers_doc.py for details. */
+
+/* Forward declarations of BPF structs */'''
+
+ print(header)
+ for fwd in self.type_fwds:
+ print('%s;' % fwd)
+ print('')
+
+ def print_footer(self):
+ footer = ''
+ print(footer)
+
+ def map_type(self, t):
+ if t in self.known_types:
+ return t
+ if t in self.mapped_types:
+ return self.mapped_types[t]
+ print("Unrecognized type '%s', please add it to known types!" % t,
+ file=sys.stderr)
+ sys.exit(1)
+
+ seen_helpers = set()
+
+ def print_one(self, helper):
+ proto = helper.proto_break_down()
+
+ if proto['name'] in self.seen_helpers:
+ return
+ self.seen_helpers.add(proto['name'])
+
+ print('/*')
+ print(" * %s" % proto['name'])
+ print(" *")
+ if (helper.desc):
+ # Do not strip all newline characters: formatted code at the end of
+ # a section must be followed by a blank line.
+ for line in re.sub('\n$', '', helper.desc, count=1).split('\n'):
+ print(' *{}{}'.format(' \t' if line else '', line))
+
+ if (helper.ret):
+ print(' *')
+ print(' * Returns')
+ for line in helper.ret.rstrip().split('\n'):
+ print(' *{}{}'.format(' \t' if line else '', line))
+
+ print(' */')
+ print('static %s %s(*%s)(' % (self.map_type(proto['ret_type']),
+ proto['ret_star'], proto['name']), end='')
+ comma = ''
+ for i, a in enumerate(proto['args']):
+ t = a['type']
+ n = a['name']
+ if proto['name'] == 'bpf_get_socket_cookie' and i == 0:
+ t = 'void'
+ n = 'ctx'
+ one_arg = '{}{}'.format(comma, self.map_type(t))
+ if n:
+ if a['star']:
+ one_arg += ' {}'.format(a['star'])
+ else:
+ one_arg += ' '
+ one_arg += '{}'.format(n)
+ comma = ', '
+ print(one_arg, end='')
+
+ print(') = (void *) %d;' % len(self.seen_helpers))
+ print('')
+
###############################################################################
# If script is launched from scripts/ from kernel tree and can access
@@ -405,6 +553,8 @@ Parse eBPF header file and generate documentation for eBPF helper functions.
The RST-formatted output produced can be turned into a manual page with the
rst2man utility.
""")
+argParser.add_argument('--header', action='store_true',
+ help='generate C header file')
if (os.path.isfile(bpfh)):
argParser.add_argument('--filename', help='path to include/uapi/linux/bpf.h',
default=bpfh)
@@ -417,5 +567,8 @@ headerParser = HeaderParser(args.filename)
headerParser.run()
# Print formatted output to standard output.
-printer = PrinterRST(headerParser.helpers)
+if args.header:
+ printer = PrinterHelpers(headerParser.helpers)
+else:
+ printer = PrinterRST(headerParser.helpers)
printer.print_all()
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 6fcc66afb088..64890be3c8fd 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -6015,14 +6015,18 @@ sub process {
for (my $count = $linenr; $count <= $lc; $count++) {
my $specifier;
my $extension;
+ my $qualifier;
my $bad_specifier = "";
my $fmt = get_quoted_string($lines[$count - 1], raw_line($count, 0));
$fmt =~ s/%%//g;
- while ($fmt =~ /(\%[\*\d\.]*p(\w))/g) {
+ while ($fmt =~ /(\%[\*\d\.]*p(\w)(\w*))/g) {
$specifier = $1;
$extension = $2;
- if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOxt]/) {
+ $qualifier = $3;
+ if ($extension !~ /[SsBKRraEehMmIiUDdgVCbGNOxtf]/ ||
+ ($extension eq "f" &&
+ defined $qualifier && $qualifier !~ /^w/)) {
$bad_specifier = $specifier;
last;
}
@@ -6039,7 +6043,6 @@ sub process {
my $ext_type = "Invalid";
my $use = "";
if ($bad_specifier =~ /p[Ff]/) {
- $ext_type = "Deprecated";
$use = " - use %pS instead";
$use =~ s/pS/ps/ if ($bad_specifier =~ /pf/);
}
diff --git a/scripts/spelling.txt b/scripts/spelling.txt
index de75b9feaaed..672b5931bc8d 100644
--- a/scripts/spelling.txt
+++ b/scripts/spelling.txt
@@ -87,6 +87,7 @@ algorith||algorithm
algorithmical||algorithmically
algoritm||algorithm
algoritms||algorithms
+algorithmn||algorithm
algorrithm||algorithm
algorritm||algorithm
aligment||alignment
@@ -109,6 +110,7 @@ alredy||already
altough||although
alue||value
ambigious||ambiguous
+ambigous||ambiguous
amoung||among
amout||amount
amplifer||amplifier
@@ -179,6 +181,7 @@ attepmpt||attempt
attnetion||attention
attruibutes||attributes
authentification||authentication
+authenicated||authenticated
automaticaly||automatically
automaticly||automatically
automatize||automate
@@ -286,6 +289,7 @@ claread||cleared
clared||cleared
closeing||closing
clustred||clustered
+cnfiguration||configuration
coexistance||coexistence
colescing||coalescing
collapsable||collapsible
@@ -325,9 +329,11 @@ comression||compression
comunication||communication
conbination||combination
conditionaly||conditionally
+conditon||condition
conected||connected
conector||connector
connecetd||connected
+configration||configuration
configuartion||configuration
configuation||configuration
configued||configured
@@ -347,6 +353,7 @@ containts||contains
contaisn||contains
contant||contact
contence||contents
+contiguos||contiguous
continious||continuous
continous||continuous
continously||continuously
@@ -380,6 +387,7 @@ cylic||cyclic
dafault||default
deafult||default
deamon||daemon
+debouce||debounce
decompres||decompress
decsribed||described
decription||description
@@ -448,6 +456,7 @@ diffrent||different
differenciate||differentiate
diffrentiate||differentiate
difinition||definition
+digial||digital
dimention||dimension
dimesions||dimensions
dispalying||displaying
@@ -489,6 +498,7 @@ droput||dropout
druing||during
dynmaic||dynamic
eanable||enable
+eanble||enable
easilly||easily
ecspecially||especially
edditable||editable
@@ -502,6 +512,7 @@ elementry||elementary
eletronic||electronic
embeded||embedded
enabledi||enabled
+enbale||enable
enble||enable
enchanced||enhanced
encorporating||incorporating
@@ -536,6 +547,7 @@ excellant||excellent
execeeded||exceeded
execeeds||exceeds
exeed||exceed
+exeuction||execution
existance||existence
existant||existent
exixt||exist
@@ -601,10 +613,12 @@ frambuffer||framebuffer
framming||framing
framwork||framework
frequncy||frequency
+frequancy||frequency
frome||from
fucntion||function
fuction||function
fuctions||functions
+fullill||fulfill
funcation||function
funcion||function
functionallity||functionality
@@ -642,6 +656,7 @@ happend||happened
harware||hardware
heirarchically||hierarchically
helpfull||helpful
+hexdecimal||hexadecimal
hybernate||hibernate
hierachy||hierarchy
hierarchie||hierarchy
@@ -709,12 +724,14 @@ initalize||initialize
initation||initiation
initators||initiators
initialiazation||initialization
+initializationg||initialization
initializiation||initialization
initialze||initialize
initialzed||initialized
initialzing||initializing
initilization||initialization
initilize||initialize
+initliaze||initialize
inofficial||unofficial
inrerface||interface
insititute||institute
@@ -779,6 +796,7 @@ itertation||iteration
itslef||itself
jave||java
jeffies||jiffies
+jumpimng||jumping
juse||just
jus||just
kown||known
@@ -839,6 +857,7 @@ messags||messages
messgaes||messages
messsage||message
messsages||messages
+metdata||metadata
micropone||microphone
microprocesspr||microprocessor
migrateable||migratable
@@ -857,6 +876,7 @@ mismactch||mismatch
missign||missing
missmanaged||mismanaged
missmatch||mismatch
+misssing||missing
miximum||maximum
mmnemonic||mnemonic
mnay||many
@@ -912,6 +932,7 @@ occured||occurred
occuring||occurring
offser||offset
offet||offset
+offlaod||offload
offloded||offloaded
offseting||offsetting
omited||omitted
@@ -993,6 +1014,7 @@ poiter||pointer
posible||possible
positon||position
possibilites||possibilities
+potocol||protocol
powerfull||powerful
pramater||parameter
preamle||preamble
@@ -1061,11 +1083,13 @@ psychadelic||psychedelic
pwoer||power
queing||queuing
quering||querying
+queus||queues
randomally||randomly
raoming||roaming
reasearcher||researcher
reasearchers||researchers
reasearch||research
+receieve||receive
recepient||recipient
recevied||received
receving||receiving
@@ -1166,6 +1190,7 @@ scaleing||scaling
scaned||scanned
scaning||scanning
scarch||search
+schdule||schedule
seach||search
searchs||searches
secquence||sequence
@@ -1308,6 +1333,7 @@ taskelt||tasklet
teh||the
temorary||temporary
temproarily||temporarily
+temperture||temperature
thead||thread
therfore||therefore
thier||their
@@ -1354,6 +1380,7 @@ uknown||unknown
usupported||unsupported
uncommited||uncommitted
unconditionaly||unconditionally
+undeflow||underflow
underun||underrun
unecessary||unnecessary
unexecpted||unexpected
@@ -1414,6 +1441,7 @@ varible||variable
varient||variant
vaule||value
verbse||verbose
+veify||verify
verisons||versions
verison||version
verson||version
diff --git a/scripts/tools-support-relr.sh b/scripts/tools-support-relr.sh
index 97a2c844a95e..45e8aa360b45 100755
--- a/scripts/tools-support-relr.sh
+++ b/scripts/tools-support-relr.sh
@@ -4,13 +4,13 @@
tmp_file=$(mktemp)
trap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT
-cat << "END" | "$CC" -c -x c - -o $tmp_file.o >/dev/null 2>&1
+cat << "END" | $CC -c -x c - -o $tmp_file.o >/dev/null 2>&1
void *p = &p;
END
-"$LD" $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file
+$LD $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file
# Despite printing an error message, GNU nm still exits with exit code 0 if it
# sees a relr section. So we need to check that nothing is printed to stderr.
-test -z "$("$NM" $tmp_file 2>&1 >/dev/null)"
+test -z "$($NM $tmp_file 2>&1 >/dev/null)"
-"$OBJCOPY" -O binary $tmp_file $tmp_file.bin
+$OBJCOPY -O binary $tmp_file $tmp_file.bin
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-06 00:48:53 +0300