diff options
| author | Carolina Jubran <cjubran@nvidia.com> | 2025-06-29 17:21:33 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-07-02 15:39:05 -0700 |
| commit | 236156d80d5efd942fc395a078d6ec6d810c2c40 (patch) | |
| tree | 7eacaef4316cc257268e94c0969c659e4a6db8fd /drivers/net/netdevsim | |
| parent | 566e8f108fc7847f2a8676ec6a101d37b7dd0fb4 (diff) | |
selftest: netdevsim: Add devlink rate tc-bw test
Test verifies that netdevsim correctly implements devlink ops callbacks
that set tc-bw on leaf or node rate object.
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Link: https://patch.msgid.link/20250629142138.361537-4-mbloch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/netdevsim')
| -rw-r--r-- | drivers/net/netdevsim/dev.c | 43 | ||||
| -rw-r--r-- | drivers/net/netdevsim/netdevsim.h | 1 |
2 files changed, 44 insertions, 0 deletions
diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index 3e0b61202f0c..b3647691060c 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -388,6 +388,17 @@ static const struct file_operations nsim_dev_rate_parent_fops = { .owner = THIS_MODULE, }; +static void nsim_dev_tc_bw_debugfs_init(struct dentry *ddir, u32 *tc_bw) +{ + int i; + + for (i = 0; i < DEVLINK_RATE_TCS_MAX; i++) { + char name[16]; + + snprintf(name, sizeof(name), "tc%d_bw", i); + debugfs_create_u32(name, 0400, ddir, &tc_bw[i]); + } +} static int nsim_dev_port_debugfs_init(struct nsim_dev *nsim_dev, struct nsim_dev_port *nsim_dev_port) { @@ -415,6 +426,8 @@ static int nsim_dev_port_debugfs_init(struct nsim_dev *nsim_dev, nsim_dev_port->ddir, &nsim_dev_port->parent_name, &nsim_dev_rate_parent_fops); + nsim_dev_tc_bw_debugfs_init(nsim_dev_port->ddir, + nsim_dev_port->tc_bw); } debugfs_create_symlink("dev", nsim_dev_port->ddir, dev_link_name); @@ -1172,6 +1185,19 @@ static int nsim_rate_bytes_to_units(char *name, u64 *rate, struct netlink_ext_ac return 0; } +static int nsim_leaf_tc_bw_set(struct devlink_rate *devlink_rate, + void *priv, u32 *tc_bw, + struct netlink_ext_ack *extack) +{ + struct nsim_dev_port *nsim_dev_port = priv; + int i; + + for (i = 0; i < DEVLINK_RATE_TCS_MAX; i++) + nsim_dev_port->tc_bw[i] = tc_bw[i]; + + return 0; +} + static int nsim_leaf_tx_share_set(struct devlink_rate *devlink_rate, void *priv, u64 tx_share, struct netlink_ext_ack *extack) { @@ -1210,8 +1236,21 @@ struct nsim_rate_node { char *parent_name; u16 tx_share; u16 tx_max; + u32 tc_bw[DEVLINK_RATE_TCS_MAX]; }; +static int nsim_node_tc_bw_set(struct devlink_rate *devlink_rate, void *priv, + u32 *tc_bw, struct netlink_ext_ack *extack) +{ + struct nsim_rate_node *nsim_node = priv; + int i; + + for (i = 0; i < DEVLINK_RATE_TCS_MAX; i++) + nsim_node->tc_bw[i] = tc_bw[i]; + + return 0; +} + static int nsim_node_tx_share_set(struct devlink_rate *devlink_rate, void *priv, u64 tx_share, struct netlink_ext_ack *extack) { @@ -1264,6 +1303,8 @@ static int nsim_rate_node_new(struct devlink_rate *node, void **priv, &nsim_node->parent_name, &nsim_dev_rate_parent_fops); + nsim_dev_tc_bw_debugfs_init(nsim_node->ddir, nsim_node->tc_bw); + *priv = nsim_node; return 0; } @@ -1340,8 +1381,10 @@ static const struct devlink_ops nsim_dev_devlink_ops = { .trap_policer_counter_get = nsim_dev_devlink_trap_policer_counter_get, .rate_leaf_tx_share_set = nsim_leaf_tx_share_set, .rate_leaf_tx_max_set = nsim_leaf_tx_max_set, + .rate_leaf_tc_bw_set = nsim_leaf_tc_bw_set, .rate_node_tx_share_set = nsim_node_tx_share_set, .rate_node_tx_max_set = nsim_node_tx_max_set, + .rate_node_tc_bw_set = nsim_node_tc_bw_set, .rate_node_new = nsim_rate_node_new, .rate_node_del = nsim_rate_node_del, .rate_leaf_parent_set = nsim_rate_leaf_parent_set, diff --git a/drivers/net/netdevsim/netdevsim.h b/drivers/net/netdevsim/netdevsim.h index 4a0c48c7a384..809dd29fc5fe 100644 --- a/drivers/net/netdevsim/netdevsim.h +++ b/drivers/net/netdevsim/netdevsim.h @@ -276,6 +276,7 @@ struct nsim_dev_port { struct dentry *ddir; struct dentry *rate_parent; char *parent_name; + u32 tc_bw[DEVLINK_RATE_TCS_MAX]; struct netdevsim *ns; }; |