mirrors/openwrt
0
0
Fork 0
mirror of https://github.com/openwrt/openwrt.git synced 2024-11-27 20:04:24 +08:00
Code Issues Packages Projects Releases Wiki Activity

realtek: add cond_resched to loops accessing the FDB table

Browse Source 
A full loop accessing all FDB entries can take several milliseconds
(on RTL839x about 20 ms), so give other kernel tasks a chance to run.
This is especially important for rtl83xx_port_fdb_dump which is itself
called in a loop for all ports by the kernel.

Signed-off-by: Jan Hoffmann <jan@3e8.eu>
This commit is contained in:
Jan Hoffmann 2022-12-17 21:45:43 +01:00 committed by Sander Vanheule
parent ae0a3f88ac
commit 2c40359c5c
4 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/debugfs.c
View File

@ -343,6 +343,9 @@ static int l2_table_show(struct seq_file *m, void *v)
seq_printf(m, "Hash table bucket %d index %d ", bucket, index);
l2_table_print_entry(m, priv, &e);
if (!((i + 1) % 64))
cond_resched();
}
for (i = 0; i < 64; i++) {

3
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/dsa.c
View File

@ -1728,6 +1728,9 @@ static int rtl83xx_port_fdb_dump(struct dsa_switch *ds, int port,
if (e.port == port || e.port == RTL930X_PORT_IGNORE)
cb(e.mac, e.vid, e.is_static, data);
if (!((i + 1) % 64))
cond_resched();
}
for (i = 0; i < 64; i++) {

3
target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/debugfs.c
View File

@ -343,6 +343,9 @@ static int l2_table_show(struct seq_file *m, void *v)
seq_printf(m, "Hash table bucket %d index %d ", bucket, index);
l2_table_print_entry(m, priv, &e);
if (!((i + 1) % 64))
cond_resched();
}
for (i = 0; i < 64; i++) {

3
target/linux/realtek/files-5.15/drivers/net/dsa/rtl83xx/dsa.c
View File

@ -1725,6 +1725,9 @@ static int rtl83xx_port_fdb_dump(struct dsa_switch *ds, int port,
if (e.port == port || e.port == RTL930X_PORT_IGNORE)
cb(e.mac, e.vid, e.is_static, data);
if (!((i + 1) % 64))
cond_resched();
}
for (i = 0; i < 64; i++) {