tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
netdevsim: support ethtool ring and coalesce settings
Add ethtool ring and coalesce settings support for testing.
Signed-off-by: Antonio Cardace <acardace@redhat.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
authored by
Antonio Cardace
and committed by
Jakub Kicinski
a7fc6db0
77f9591b
+66
-3
+63
-3
drivers/net/netdevsim/ethtool.c
+63
-3
drivers/net/netdevsim/ethtool.c
···
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return 0;
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}
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+
static int nsim_get_coalesce(struct net_device *dev,
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struct ethtool_coalesce *coal)
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{
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struct netdevsim *ns = netdev_priv(dev);
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memcpy(coal, &ns->ethtool.coalesce, sizeof(ns->ethtool.coalesce));
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return 0;
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}
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+
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static int nsim_set_coalesce(struct net_device *dev,
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struct ethtool_coalesce *coal)
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{
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struct netdevsim *ns = netdev_priv(dev);
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memcpy(&ns->ethtool.coalesce, coal, sizeof(ns->ethtool.coalesce));
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return 0;
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}
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static void nsim_get_ringparam(struct net_device *dev,
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struct ethtool_ringparam *ring)
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{
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struct netdevsim *ns = netdev_priv(dev);
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memcpy(ring, &ns->ethtool.ring, sizeof(ns->ethtool.ring));
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}
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static int nsim_set_ringparam(struct net_device *dev,
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struct ethtool_ringparam *ring)
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{
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struct netdevsim *ns = netdev_priv(dev);
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memcpy(&ns->ethtool.ring, ring, sizeof(ns->ethtool.ring));
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return 0;
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}
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+
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static const struct ethtool_ops nsim_ethtool_ops = {
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-
.get_pause_stats = nsim_get_pause_stats,
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-
.get_pauseparam = nsim_get_pauseparam,
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-
.set_pauseparam = nsim_set_pauseparam,
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.supported_coalesce_params = ETHTOOL_COALESCE_ALL_PARAMS,
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.get_pause_stats = nsim_get_pause_stats,
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.get_pauseparam = nsim_get_pauseparam,
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.set_pauseparam = nsim_set_pauseparam,
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.set_coalesce = nsim_set_coalesce,
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.get_coalesce = nsim_get_coalesce,
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.get_ringparam = nsim_get_ringparam,
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.set_ringparam = nsim_set_ringparam,
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};
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static void nsim_ethtool_ring_init(struct netdevsim *ns)
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{
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ns->ethtool.ring.rx_max_pending = 4096;
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ns->ethtool.ring.rx_jumbo_max_pending = 4096;
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ns->ethtool.ring.rx_mini_max_pending = 4096;
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ns->ethtool.ring.tx_max_pending = 4096;
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}
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void nsim_ethtool_init(struct netdevsim *ns)
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{
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struct dentry *ethtool, *dir;
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ns->netdev->ethtool_ops = &nsim_ethtool_ops;
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nsim_ethtool_ring_init(ns);
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ethtool = debugfs_create_dir("ethtool", ns->nsim_dev_port->ddir);
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···
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&ns->ethtool.pauseparam.report_stats_rx);
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debugfs_create_bool("report_stats_tx", 0600, dir,
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&ns->ethtool.pauseparam.report_stats_tx);
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dir = debugfs_create_dir("ring", ethtool);
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debugfs_create_u32("rx_max_pending", 0600, dir,
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&ns->ethtool.ring.rx_max_pending);
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debugfs_create_u32("rx_jumbo_max_pending", 0600, dir,
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&ns->ethtool.ring.rx_jumbo_max_pending);
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debugfs_create_u32("rx_mini_max_pending", 0600, dir,
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&ns->ethtool.ring.rx_mini_max_pending);
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debugfs_create_u32("tx_max_pending", 0600, dir,
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&ns->ethtool.ring.tx_max_pending);
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}
+3
drivers/net/netdevsim/netdevsim.h
+3
drivers/net/netdevsim/netdevsim.h
···
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#include <linux/debugfs.h>
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#include <linux/device.h>
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#include <linux/ethtool.h>
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#include <linux/kernel.h>
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#include <linux/list.h>
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#include <linux/netdevice.h>
···
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struct nsim_ethtool {
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struct nsim_ethtool_pauseparam pauseparam;
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struct ethtool_coalesce coalesce;
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struct ethtool_ringparam ring;
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};
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struct netdevsim {