diff options
| author |   Tom Jones <thj@freebsd.org> | 2024-02-02 14:24:04 +0000 |
|---|---|---|
| committer |   Damjan Marion <dmarion@0xa5.net> | 2024-05-06 11:38:40 +0000 |
| commit | 3d372e655333442ce24b378cf70cc5e8deb6ff7a (patch) | |
| tree | acbbb3d1fed2237434f207b48168a7ec09d725e7 | |
| parent | f4c79967a659896eb7b2e8a9de981ad46e307a85 (diff) | |
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>
| -rw-r--r-- | src/plugins/dpdk/device/cli.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/plugins/dpdk/device/cli.c b/src/plugins/dpdk/device/cli.c index c838800deb4..77f9a27f97b 100644 --- a/src/plugins/dpdk/device/cli.c +++ b/src/plugins/dpdk/device/cli.c @@ -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) { |