diff options
| author | John Crispin <john@phrozen.org> | 2017-08-22 09:10:58 +0200 |
|---|---|---|
| committer | John Crispin <john@phrozen.org> | 2017-08-22 09:10:58 +0200 |
| commit | b5731bfbabaf7aab0fc47143bd6ad0b12cc3df0a (patch) | |
| tree | 747743efa83dc28a6b3b73bda992ad970786af48 /system-linux.c | |
| parent | 2a29d1a8d45f164e9a3fda31264bf70b8f90d9ad (diff) | |
allow setting rps/xps defualt values via uci
Signed-off-by: John Crispin <john@phrozen.org>
Diffstat (limited to 'system-linux.c')
| -rw-r--r-- | system-linux.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/system-linux.c b/system-linux.c index 02faa32..0bf071e 100644 --- a/system-linux.c +++ b/system-linux.c @@ -1388,7 +1388,7 @@ system_if_get_settings(struct device *dev, struct device_settings *s) } static void -system_if_set_rps_xps_val(const char *path, int val) +system_if_set_rps_xps_val(const char *path, char *fmt, int val) { char val_buf[8]; glob_t gl; @@ -1397,7 +1397,7 @@ system_if_set_rps_xps_val(const char *path, int val) if (glob(path, 0, NULL, &gl)) return; - snprintf(val_buf, sizeof(val_buf), "%x", val); + snprintf(val_buf, sizeof(val_buf), fmt, val); for (i = 0; i < gl.gl_pathc; i++) system_set_sysctl(gl.gl_pathv[i], val_buf); @@ -1408,17 +1408,23 @@ static void system_if_apply_rps_xps(struct device *dev, struct device_settings *s) { long n_cpus = sysconf(_SC_NPROCESSORS_ONLN); - int val; + int val, rps_val, rps_flow_cnt, xps_val; if (n_cpus < 2) return; val = (1 << n_cpus) - 1; + rps_val = s->rps_val ? s->rps_val : val; snprintf(dev_buf, sizeof(dev_buf), "/sys/class/net/%s/queues/*/rps_cpus", dev->ifname); - system_if_set_rps_xps_val(dev_buf, s->rps ? val : 0); + system_if_set_rps_xps_val(dev_buf, "%x", s->rps ? rps_val : 0); + + rps_flow_cnt = s->rps_flow_cnt ? s->rps_flow_cnt : 0; + snprintf(dev_buf, sizeof(dev_buf), "/sys/class/net/%s/queues/*/rps_flow_cnt", dev->ifname); + system_if_set_rps_xps_val(dev_buf, "%d", s->rps ? rps_flow_cnt : 0); + xps_val = s->xps_val ? s->xps_val : val; snprintf(dev_buf, sizeof(dev_buf), "/sys/class/net/%s/queues/*/xps_cpus", dev->ifname); - system_if_set_rps_xps_val(dev_buf, s->xps ? val : 0); + system_if_set_rps_xps_val(dev_buf, "%x", s->xps ? xps_val : 0); } void |