fedeparola / xsknf Goto Github PK

Loading custom eBPF programs...
libbpf: load bpf program failed: Permission denied
libbpf: -- BEGIN DUMP LOG ---
libbpf:
; void *data_end = (void *)(long)ctx->data_end;
0: (61) r2 = *(u32 *)(r1 +4)
; void *data = (void *)(long)ctx->data;
1: (7b) *(u64 *)(r10 -16) = r2
2: (61) r7 = *(u32 *)(r1 +0)
3: (b7) r6 = 0
; int zero = 0;
4: (63) *(u32 *)(r10 -4) = r6
last_idx 4 first_idx 0
regs=40 stack=0 before 3: (b7) r6 = 0
5: (bf) r2 = r10
;
6: (07) r2 += -4
; struct xdp_cpu_stats *stats = bpf_map_lookup_elem(&xdp_stats, &zero);
7: (18) r1 = 0xffff94f8488fc200
9: (85) call bpf_map_lookup_elem#1
; if (!stats) {
10: (15) if r0 == 0x0 goto pc+15
 R0_w=map_value(id=0,off=0,ks=4,vs=16,imm=0) R6_w=invP0 R7_w=pkt(id=0,off=0,r=0,imm=0) R10=fp0 fp-8=mmmm???? fp-16_w=pkt_end
; stats->rx_npkts++;
11: (79) r1 = *(u64 *)(r0 +0)
 R0_w=map_value(id=0,off=0,ks=4,vs=16,imm=0) R6_w=invP0 R7_w=pkt(id=0,off=0,r=0,imm=0) R10=fp0 fp-8=mmmm???? fp-16_w=pkt_end
12: (bf) r2 = r1
13: (07) r2 += 1
14: (7b) *(u64 *)(r0 +0) = r2
 R0_w=map_value(id=0,off=0,ks=4,vs=16,imm=0) R1_w=inv(id=2) R2_w=inv(id=0) R6_w=invP0 R7_w=pkt(id=0,off=0,r=0,imm=0) R10=fp0 fp-8=mmmm???? fp-16_w=pkt_end
; if (stats->rx_npkts == 1) {
15: (55) if r1 != 0x0 goto pc+12

from 15 to 28: R0=map_value(id=0,off=0,ks=4,vs=16,imm=0) R1=inv(id=2) R2=inv(id=0) R6=invP0 R7=pkt(id=0,off=0,r=0,imm=0) R10=fp0 fp-8=mmmm???? fp-16=pkt_end
; if ((void *)(eth + 1) > data_end) {
28: (bf) r1 = r7
29: (07) r1 += 14
30: (b7) r6 = 0
; if ((void *)(eth + 1) > data_end) {
31: (79) r2 = *(u64 *)(r10 -16)
32: (2d) if r1 > r2 goto pc-7
 R0=map_value(id=0,off=0,ks=4,vs=16,imm=0) R1_w=pkt(id=0,off=14,r=14,imm=0) R2_w=pkt_end(id=0,off=0,imm=0) R6_w=inv0 R7=pkt(id=0,off=0,r=14,imm=0) R10=fp0 fp-8=mmmm???? fp-16=pkt_end
; if (eth->h_proto != htons(ETH_P_IP)) {
33: (71) r1 = *(u8 *)(r7 +12)
34: (71) r2 = *(u8 *)(r7 +13)
35: (67) r2 <<= 8
36: (4f) r2 |= r1
37: (b7) r6 = 3
; if (eth->h_proto != htons(ETH_P_IP)) {
38: (55) if r2 != 0x8 goto pc-13
 R0=map_value(id=0,off=0,ks=4,vs=16,imm=0) R1=inv(id=0,umax_value=255,var_off=(0x0; 0xff)) R2=inv8 R6=inv3 R7=pkt(id=0,off=0,r=14,imm=0) R10=fp0 fp-8=mmmm???? fp-16=pkt_end
; if ((void *)(ip + 1) > data_end) {
39: (bf) r1 = r7
40: (07) r1 += 34
41: (b7) r6 = 0
; if ((void *)(ip + 1) > data_end) {
42: (79) r2 = *(u64 *)(r10 -16)
43: (2d) if r1 > r2 goto pc-18
 R0=map_value(id=0,off=0,ks=4,vs=16,imm=0) R1_w=pkt(id=0,off=34,r=34,imm=0) R2_w=pkt_end(id=0,off=0,imm=0) R6_w=inv0 R7=pkt(id=0,off=0,r=34,imm=0) R10=fp0 fp-8=mmmm???? fp-16=pkt_end
; if (ip->protocol != IPPROTO_UDP) {
44: (71) r1 = *(u8 *)(r7 +23)
45: (b7) r6 = 3
; if (ip->protocol != IPPROTO_UDP) {
46: (55) if r1 != 0x11 goto pc-21
 R0=map_value(id=0,off=0,ks=4,vs=16,imm=0) R1=inv17 R2=pkt_end(id=0,off=0,imm=0) R6=inv3 R7=pkt(id=0,off=0,r=34,imm=0) R10=fp0 fp-8=mmmm???? fp-16=pkt_end
; struct udphdr *udp = (void *)ip + (ip->ihl << 2);
47: (bf) r1 = r7
48: (07) r1 += 14
49: (71) r5 = *(u8 *)(r7 +14)
; struct udphdr *udp = (void *)ip + (ip->ihl << 2);
50: (67) r5 <<= 2
51: (57) r5 &= 60
; struct udphdr *udp = (void *)ip + (ip->ihl << 2);
52: (0f) r1 += r5
last_idx 52 first_idx 46
regs=20 stack=0 before 51: (57) r5 &= 60
regs=20 stack=0 before 50: (67) r5 <<= 2
regs=20 stack=0 before 49: (71) r5 = *(u8 *)(r7 +14)
; if ((void *)(udp + 1) > data_end) {
53: (bf) r2 = r1
54: (07) r2 += 8
55: (b7) r6 = 0
; if ((void *)(udp + 1) > data_end) {
56: (79) r3 = *(u64 *)(r10 -16)
57: (2d) if r2 > r3 goto pc-32
 R0=map_value(id=0,off=0,ks=4,vs=16,imm=0) R1_w=pkt(id=4,off=14,r=22,umax_value=60,var_off=(0x0; 0x3c)) R2_w=pkt(id=4,off=22,r=22,umax_value=60,var_off=(0x0; 0x3c)) R3_w=pkt_end(id=0,off=0,imm=0) R5_w=invP(id=0,umax_value=60,var_off=(0x0; 0x3c)) R6_w=inv0 R7=pkt(id=0,off=0,r=34,imm=0) R10=fp0 fp-8=mmmm???? fp-16=pkt_end
; csum_buffer += (uint16_t)ip->saddr;
58: (61) r2 = *(u32 *)(r7 +26)
; csum_buffer += (uint16_t)ip->saddr;
59: (bf) r3 = r2
60: (57) r3 &= 65535
; csum_buffer += (uint16_t)(ip->saddr >> 16);
61: (77) r2 >>= 16
; csum_buffer += (uint16_t)(ip->saddr >> 16);
62: (0f) r2 += r3
; csum_buffer += (uint16_t)ip->daddr;
63: (61) r4 = *(u32 *)(r7 +30)
64: (b7) r3 = 0
; udp->check = 0;
65: (6b) *(u16 *)(r1 +6) = r3
; csum_buffer += (uint16_t)ip->daddr;
66: (bf) r0 = r4
67: (57) r0 &= 65535
; csum_buffer += (uint16_t)ip->daddr;
68: (0f) r2 += r0
; csum_buffer += (uint16_t)(ip->daddr >> 16);
69: (77) r4 >>= 16
; csum_buffer += (uint16_t)(ip->daddr >> 16);
70: (0f) r2 += r4
; csum_buffer += udp->len;
71: (69) r4 = *(u16 *)(r1 +4)
; csum_buffer += (uint16_t)ip->protocol << 8;
72: (0f) r2 += r4
; csum_buffer += udp->len;
73: (07) r2 += 4352
74: (18) r4 = 0xffffa9a74013c000
76: (61) r4 = *(u32 *)(r4 +0)
 R0_w=inv(id=0,umax_value=65535,var_off=(0x0; 0xffff)) R1_w=pkt(id=4,off=14,r=22,umax_value=60,var_off=(0x0; 0x3c)) R2_w=inv(id=0,umin_value=4352,umax_value=332027,var_off=(0x0; 0x7ffff)) R3_w=inv0 R4_w=map_value(id=0,off=0,ks=4,vs=8,imm=0) R5_w=invP(id=0,umax_value=60,var_off=(0x0; 0x3c)) R6_w=inv0 R7=pkt(id=0,off=0,r=34,imm=0) R10=fp0 fp-8=mmmm???? fp-16=pkt_end
77: (67) r4 <<= 32
78: (c7) r4 s>>= 32
79: (b7) r0 = 1
; for (int i = 0; i < MAX_CHECKSUM_ITERATIONS; i++) {
80: (6d) if r0 s> r4 goto pc+13
 R0=inv1 R1=pkt(id=4,off=14,r=22,umax_value=60,var_off=(0x0; 0x3c)) R2=inv(id=0,umin_value=4352,umax_value=332027,var_off=(0x0; 0x7ffff)) R3=inv0 R4=inv(id=0,umin_value=1,umax_value=2147483647,var_off=(0x0; 0x7fffffff)) R5=invP(id=0,umax_value=60,var_off=(0x0; 0x3c)) R6=inv0 R7=pkt(id=0,off=0,r=34,imm=0) R10=fp0 fp-8=mmmm???? fp-16=pkt_end
81: (0f) r7 += r5
82: (bf) r5 = r1
83: (07) r5 += 2
84: (18) r9 = 0x100000000
86: (05) goto pc+14
; udp->check = csum;
101: (bf) r8 = r1
; for (int j = 0; j < MAX_UDP_LENGTH; j += 2) {
102: (79) r0 = *(u64 *)(r10 -16)
103: (2d) if r5 > r0 goto pc+19
 R0=pkt_end(id=0,off=0,imm=0) R1=pkt(id=4,off=14,r=22,umax_value=60,var_off=(0x0; 0x3c)) R2=inv(id=0,umin_value=4352,umax_value=332027,var_off=(0x0; 0x7ffff)) R3=inv0 R4=inv(id=0,umin_value=1,umax_value=2147483647,var_off=(0x0; 0x7fffffff)) R5=pkt(id=4,off=16,r=22,umax_value=60,var_off=(0x0; 0x3c)) R6=inv0 R7=pkt(id=7,off=0,r=0,umax_value=60,var_off=(0x0; 0x3c)) R8=pkt(id=4,off=14,r=22,umax_value=60,var_off=(0x0; 0x3c)) R9=inv4294967296 R10=fp0 fp-8=mmmm???? fp-16=pkt_end
104: (b7) r9 = 0
105: (b7) r6 = 0
; csum_buffer += *payload;
106: (bf) r8 = r7
107: (0f) r8 += r9
last_idx 107 first_idx 103
regs=200 stack=0 before 106: (bf) r8 = r7
regs=200 stack=0 before 105: (b7) r6 = 0
regs=200 stack=0 before 104: (b7) r9 = 0
108: (69) r0 = *(u16 *)(r8 +14)
invalid access to packet, off=14 size=2, R8(id=7,off=14,r=0)
R8 offset is outside of the packet
processed 90 insns (limit 1000000) max_states_per_insn 0 total_states 6 peak_states 6 mark_read 1

libbpf: -- END LOG --
libbpf: failed to load program 'handle_xdp'
libbpf: failed to load object './checksummer_kern.o'
ERROR: unable to parse eBPF file

FRAMES_PER_SOCKET is 4096
conf.num_interfaces are 1
conf.xsk_frame_size is 2048
umem_bufsize is 8388608
umem_buf_flags is 34
mmap passed!
umem_bufsize is 8388608
pass one of umem creation
src/xsknf.c:xsk_configure_socket:144: errno: 95/"Operation not supported"
Segmentation fault

Linux ubuntu-jammy 5.15.0-76-generic #83-Ubuntu SMP Thu Jun 15 19:16:32 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux

Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/11/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 11.3.0-1ubuntu1~22.04.1' --with-bugurl=file:///usr/share/doc/gcc-11/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-11 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --enable-cet --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none=/build/gcc-11-aYxV0E/gcc-11-11.3.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-aYxV0E/gcc-11-11.3.0/debian/tmp-gcn/usr --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-build-config=bootstrap-lto-lean --enable-link-serialization=2
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.3.0 (Ubuntu 11.3.0-1ubuntu1~22.04.1)

Ubuntu clang version 14.0.0-1ubuntu1
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/11
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/11
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64