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tcp_buffer_tuner: make tcp_sndbuf_expand optional #77

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Merged
alan-maguire merged 1 commit into from
Sep 11, 2023
Merged

tcp_buffer_tuner: make tcp_sndbuf_expand optional #77

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4 changes: 3 additions & 1 deletion src/tcp_buffer_tuner.c
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Original file line number Diff line number Diff line change
Expand Up @@ -141,6 +141,8 @@ long nr_free_buffer_pages(bool initial)

int init(struct bpftuner *tuner)
{
/* on some platforms, this function is inlined */
const char *optionals[] = { "tcp_sndbuf_expand", NULL };
int pagesize;
int err;

Expand All @@ -162,7 +164,7 @@ int init(struct bpftuner *tuner)
ilog2(SK_MEM_QUANTUM));
bpftuner_bpf_var_set(tcp_buffer, tuner, nr_free_buffer_pages,
nr_free_buffer_pages(true));
err = bpftuner_bpf_attach(tcp_buffer, tuner, NULL);
err = bpftuner_bpf_attach(tcp_buffer, tuner, optionals);
if (err)
return err;
return bpftuner_tunables_init(tuner, TCP_BUFFER_NUM_TUNABLES, descs,
Expand Down