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dpdk: Only reconfigure max pipe size on linux

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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>
This commit is contained in:
Tom Jones
2024-02-02 14:24:04 +00:00
committed by Damjan Marion
parent f4c79967a6
commit 3d372e6553
1 changed files with 8 additions and 1 deletions
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9
src/plugins/dpdk/device/cli.c
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@ -89,12 +89,18 @@ show_dpdk_physmem (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
clib_error_t *err = 0;
u32 pipe_max_size;
int fds[2];
u8 *s = 0;
int n, n_try;
FILE *f;
/*
* XXX: Pipes on FreeBSD grow dynamically up to 64KB (FreeBSD 15), don't
* manually tweak this value on FreeBSD at the moment.
*/
#ifdef __linux__
u32 pipe_max_size;
err = clib_sysfs_read ("/proc/sys/fs/pipe-max-size", "%u", &pipe_max_size);
if (err)
@ -112,6 +118,7 @@ show_dpdk_physmem (vlib_main_t * vm, unformat_input_t * input,
err = clib_error_return_unix (0, "fcntl(F_SETPIPE_SZ)");
goto error;
}
#endif /* __linux__ */
if (fcntl (fds[0], F_SETFL, O_NONBLOCK) == -1)
{