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tcp_buffer_tuner: fix load failure for 6.9+ #87

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Merged
alan-maguire merged 1 commit into from
May 17, 2024
Merged

tcp_buffer_tuner: fix load failure for 6.9+ #87

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7 changes: 5 additions & 2 deletions src/tcp_buffer_tuner.bpf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -242,8 +242,11 @@ BPF_FENTRY(tcp_rcv_space_adjust, struct sock *sk)
return 0;

#ifndef BPFTUNE_LEGACY
/* CO-RE does not support bitfields... */
sk_userlocks = sk->sk_userlocks;
/* sk_userlocks is a bitfield prior to 6.9 */
if (LINUX_KERNEL_VERSION < KERNEL_VERSION(6, 9, 0)) {
/* CO-RE does not support bitfields... */
sk_userlocks = sk->sk_userlocks;
}
#endif
if ((sk_userlocks & SOCK_RCVBUF_LOCK) || near_memory_pressure ||
near_memory_exhaustion)
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