tools: fix alignment of ipv6_key_t in tcptop
Fixes the following error on aarch64:
bpf: Failed to load program: Permission denied
; struct sock *sk = ctx->regs[0]; int copied = ctx->regs[1];
0: (79) r8 = *(u64 *)(r1 +8)
...
; struct ipv6_key_t ipv6_key = {.pid = pid};
79: (63) *(u32 *)(r10 -48) = r7
; struct ipv6_key_t ipv6_key = {.pid = pid};
80: (7b) *(u64 *)(r10 +8) = r9
invalid stack off=8 size=8
processed 96 insns (limit 1000000) max_states_per_insn 0 total_states 7 peak_states 7 mark_read 4
diff --git a/tools/tcptop.py b/tools/tcptop.py
index 2d4b757..9fb3ca2 100755
--- a/tools/tcptop.py
+++ b/tools/tcptop.py
@@ -88,11 +88,12 @@
BPF_HASH(ipv4_recv_bytes, struct ipv4_key_t);
struct ipv6_key_t {
- u32 pid;
unsigned __int128 saddr;
unsigned __int128 daddr;
+ u32 pid;
u16 lport;
u16 dport;
+ u64 __pad__;
};
BPF_HASH(ipv6_send_bytes, struct ipv6_key_t);
BPF_HASH(ipv6_recv_bytes, struct ipv6_key_t);