dpdk: Only reconfigure max pipe size on linux
FreeBSD dynmically grows pipes based on usage and available system memory. Don't try to resize pipes on FreeBSD for now. Type: improvement Change-Id: I78b06dead5d42a3a7bdf634a67b43ef854e510f8 Signed-off-by: Tom Jones <thj@freebsd.org>
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@ -89,12 +89,18 @@ show_dpdk_physmem (vlib_main_t * vm, unformat_input_t * input,
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vlib_cli_command_t * cmd)
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{
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clib_error_t *err = 0;
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u32 pipe_max_size;
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int fds[2];
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u8 *s = 0;
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int n, n_try;
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FILE *f;
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/*
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* XXX: Pipes on FreeBSD grow dynamically up to 64KB (FreeBSD 15), don't
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* manually tweak this value on FreeBSD at the moment.
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*/
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#ifdef __linux__
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u32 pipe_max_size;
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err = clib_sysfs_read ("/proc/sys/fs/pipe-max-size", "%u", &pipe_max_size);
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if (err)
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@ -112,6 +118,7 @@ show_dpdk_physmem (vlib_main_t * vm, unformat_input_t * input,
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err = clib_error_return_unix (0, "fcntl(F_SETPIPE_SZ)");
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goto error;
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}
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#endif /* __linux__ */
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if (fcntl (fds[0], F_SETFL, O_NONBLOCK) == -1)
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{
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