mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 15:00:17 +07:00
329d9c333e
To get the most out of parsing by the core, and to allow dumping
full policies we need to specify which policy applies to nested
attrs. For headers it's ethnl_header_policy.
$ sed -i 's@\(ETHTOOL_A_.*HEADER\].*=\) { .type = NLA_NESTED },@\1\n\t\tNLA_POLICY_NESTED(ethnl_header_policy),@' net/ethtool/*
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
323 lines
13 KiB
C
323 lines
13 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
|
|
#include "netlink.h"
|
|
#include "common.h"
|
|
|
|
struct coalesce_req_info {
|
|
struct ethnl_req_info base;
|
|
};
|
|
|
|
struct coalesce_reply_data {
|
|
struct ethnl_reply_data base;
|
|
struct ethtool_coalesce coalesce;
|
|
u32 supported_params;
|
|
};
|
|
|
|
#define COALESCE_REPDATA(__reply_base) \
|
|
container_of(__reply_base, struct coalesce_reply_data, base)
|
|
|
|
#define __SUPPORTED_OFFSET ETHTOOL_A_COALESCE_RX_USECS
|
|
static u32 attr_to_mask(unsigned int attr_type)
|
|
{
|
|
return BIT(attr_type - __SUPPORTED_OFFSET);
|
|
}
|
|
|
|
/* build time check that indices in ethtool_ops::supported_coalesce_params
|
|
* match corresponding attribute types with an offset
|
|
*/
|
|
#define __CHECK_SUPPORTED_OFFSET(x) \
|
|
static_assert((ETHTOOL_ ## x) == \
|
|
BIT((ETHTOOL_A_ ## x) - __SUPPORTED_OFFSET))
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_RX_USECS);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_RX_MAX_FRAMES);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_RX_USECS_IRQ);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_RX_MAX_FRAMES_IRQ);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_TX_USECS);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_TX_MAX_FRAMES);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_TX_USECS_IRQ);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_TX_MAX_FRAMES_IRQ);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_STATS_BLOCK_USECS);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_USE_ADAPTIVE_RX);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_USE_ADAPTIVE_TX);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_PKT_RATE_LOW);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_RX_USECS_LOW);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_RX_MAX_FRAMES_LOW);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_TX_USECS_LOW);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_TX_MAX_FRAMES_LOW);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_PKT_RATE_HIGH);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_RX_USECS_HIGH);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_RX_MAX_FRAMES_HIGH);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_TX_USECS_HIGH);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_TX_MAX_FRAMES_HIGH);
|
|
__CHECK_SUPPORTED_OFFSET(COALESCE_RATE_SAMPLE_INTERVAL);
|
|
|
|
const struct nla_policy ethnl_coalesce_get_policy[] = {
|
|
[ETHTOOL_A_COALESCE_HEADER] =
|
|
NLA_POLICY_NESTED(ethnl_header_policy),
|
|
};
|
|
|
|
static int coalesce_prepare_data(const struct ethnl_req_info *req_base,
|
|
struct ethnl_reply_data *reply_base,
|
|
struct genl_info *info)
|
|
{
|
|
struct coalesce_reply_data *data = COALESCE_REPDATA(reply_base);
|
|
struct net_device *dev = reply_base->dev;
|
|
int ret;
|
|
|
|
if (!dev->ethtool_ops->get_coalesce)
|
|
return -EOPNOTSUPP;
|
|
data->supported_params = dev->ethtool_ops->supported_coalesce_params;
|
|
ret = ethnl_ops_begin(dev);
|
|
if (ret < 0)
|
|
return ret;
|
|
ret = dev->ethtool_ops->get_coalesce(dev, &data->coalesce);
|
|
ethnl_ops_complete(dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int coalesce_reply_size(const struct ethnl_req_info *req_base,
|
|
const struct ethnl_reply_data *reply_base)
|
|
{
|
|
return nla_total_size(sizeof(u32)) + /* _RX_USECS */
|
|
nla_total_size(sizeof(u32)) + /* _RX_MAX_FRAMES */
|
|
nla_total_size(sizeof(u32)) + /* _RX_USECS_IRQ */
|
|
nla_total_size(sizeof(u32)) + /* _RX_MAX_FRAMES_IRQ */
|
|
nla_total_size(sizeof(u32)) + /* _TX_USECS */
|
|
nla_total_size(sizeof(u32)) + /* _TX_MAX_FRAMES */
|
|
nla_total_size(sizeof(u32)) + /* _TX_USECS_IRQ */
|
|
nla_total_size(sizeof(u32)) + /* _TX_MAX_FRAMES_IRQ */
|
|
nla_total_size(sizeof(u32)) + /* _STATS_BLOCK_USECS */
|
|
nla_total_size(sizeof(u8)) + /* _USE_ADAPTIVE_RX */
|
|
nla_total_size(sizeof(u8)) + /* _USE_ADAPTIVE_TX */
|
|
nla_total_size(sizeof(u32)) + /* _PKT_RATE_LOW */
|
|
nla_total_size(sizeof(u32)) + /* _RX_USECS_LOW */
|
|
nla_total_size(sizeof(u32)) + /* _RX_MAX_FRAMES_LOW */
|
|
nla_total_size(sizeof(u32)) + /* _TX_USECS_LOW */
|
|
nla_total_size(sizeof(u32)) + /* _TX_MAX_FRAMES_LOW */
|
|
nla_total_size(sizeof(u32)) + /* _PKT_RATE_HIGH */
|
|
nla_total_size(sizeof(u32)) + /* _RX_USECS_HIGH */
|
|
nla_total_size(sizeof(u32)) + /* _RX_MAX_FRAMES_HIGH */
|
|
nla_total_size(sizeof(u32)) + /* _TX_USECS_HIGH */
|
|
nla_total_size(sizeof(u32)) + /* _TX_MAX_FRAMES_HIGH */
|
|
nla_total_size(sizeof(u32)); /* _RATE_SAMPLE_INTERVAL */
|
|
}
|
|
|
|
static bool coalesce_put_u32(struct sk_buff *skb, u16 attr_type, u32 val,
|
|
u32 supported_params)
|
|
{
|
|
if (!val && !(supported_params & attr_to_mask(attr_type)))
|
|
return false;
|
|
return nla_put_u32(skb, attr_type, val);
|
|
}
|
|
|
|
static bool coalesce_put_bool(struct sk_buff *skb, u16 attr_type, u32 val,
|
|
u32 supported_params)
|
|
{
|
|
if (!val && !(supported_params & attr_to_mask(attr_type)))
|
|
return false;
|
|
return nla_put_u8(skb, attr_type, !!val);
|
|
}
|
|
|
|
static int coalesce_fill_reply(struct sk_buff *skb,
|
|
const struct ethnl_req_info *req_base,
|
|
const struct ethnl_reply_data *reply_base)
|
|
{
|
|
const struct coalesce_reply_data *data = COALESCE_REPDATA(reply_base);
|
|
const struct ethtool_coalesce *coal = &data->coalesce;
|
|
u32 supported = data->supported_params;
|
|
|
|
if (coalesce_put_u32(skb, ETHTOOL_A_COALESCE_RX_USECS,
|
|
coal->rx_coalesce_usecs, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_RX_MAX_FRAMES,
|
|
coal->rx_max_coalesced_frames, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_RX_USECS_IRQ,
|
|
coal->rx_coalesce_usecs_irq, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_RX_MAX_FRAMES_IRQ,
|
|
coal->rx_max_coalesced_frames_irq, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_TX_USECS,
|
|
coal->tx_coalesce_usecs, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_TX_MAX_FRAMES,
|
|
coal->tx_max_coalesced_frames, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_TX_USECS_IRQ,
|
|
coal->tx_coalesce_usecs_irq, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_TX_MAX_FRAMES_IRQ,
|
|
coal->tx_max_coalesced_frames_irq, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_STATS_BLOCK_USECS,
|
|
coal->stats_block_coalesce_usecs, supported) ||
|
|
coalesce_put_bool(skb, ETHTOOL_A_COALESCE_USE_ADAPTIVE_RX,
|
|
coal->use_adaptive_rx_coalesce, supported) ||
|
|
coalesce_put_bool(skb, ETHTOOL_A_COALESCE_USE_ADAPTIVE_TX,
|
|
coal->use_adaptive_tx_coalesce, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_PKT_RATE_LOW,
|
|
coal->pkt_rate_low, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_RX_USECS_LOW,
|
|
coal->rx_coalesce_usecs_low, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_RX_MAX_FRAMES_LOW,
|
|
coal->rx_max_coalesced_frames_low, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_TX_USECS_LOW,
|
|
coal->tx_coalesce_usecs_low, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_TX_MAX_FRAMES_LOW,
|
|
coal->tx_max_coalesced_frames_low, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_PKT_RATE_HIGH,
|
|
coal->pkt_rate_high, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_RX_USECS_HIGH,
|
|
coal->rx_coalesce_usecs_high, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_RX_MAX_FRAMES_HIGH,
|
|
coal->rx_max_coalesced_frames_high, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_TX_USECS_HIGH,
|
|
coal->tx_coalesce_usecs_high, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH,
|
|
coal->tx_max_coalesced_frames_high, supported) ||
|
|
coalesce_put_u32(skb, ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL,
|
|
coal->rate_sample_interval, supported))
|
|
return -EMSGSIZE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
const struct ethnl_request_ops ethnl_coalesce_request_ops = {
|
|
.request_cmd = ETHTOOL_MSG_COALESCE_GET,
|
|
.reply_cmd = ETHTOOL_MSG_COALESCE_GET_REPLY,
|
|
.hdr_attr = ETHTOOL_A_COALESCE_HEADER,
|
|
.req_info_size = sizeof(struct coalesce_req_info),
|
|
.reply_data_size = sizeof(struct coalesce_reply_data),
|
|
|
|
.prepare_data = coalesce_prepare_data,
|
|
.reply_size = coalesce_reply_size,
|
|
.fill_reply = coalesce_fill_reply,
|
|
};
|
|
|
|
/* COALESCE_SET */
|
|
|
|
const struct nla_policy ethnl_coalesce_set_policy[] = {
|
|
[ETHTOOL_A_COALESCE_HEADER] =
|
|
NLA_POLICY_NESTED(ethnl_header_policy),
|
|
[ETHTOOL_A_COALESCE_RX_USECS] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_RX_MAX_FRAMES] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_RX_USECS_IRQ] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_RX_MAX_FRAMES_IRQ] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_TX_USECS] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_TX_MAX_FRAMES] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_TX_USECS_IRQ] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_IRQ] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_STATS_BLOCK_USECS] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_USE_ADAPTIVE_RX] = { .type = NLA_U8 },
|
|
[ETHTOOL_A_COALESCE_USE_ADAPTIVE_TX] = { .type = NLA_U8 },
|
|
[ETHTOOL_A_COALESCE_PKT_RATE_LOW] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_RX_USECS_LOW] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_RX_MAX_FRAMES_LOW] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_TX_USECS_LOW] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_LOW] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_PKT_RATE_HIGH] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_RX_USECS_HIGH] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_RX_MAX_FRAMES_HIGH] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_TX_USECS_HIGH] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH] = { .type = NLA_U32 },
|
|
[ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL] = { .type = NLA_U32 },
|
|
};
|
|
|
|
int ethnl_set_coalesce(struct sk_buff *skb, struct genl_info *info)
|
|
{
|
|
struct ethtool_coalesce coalesce = {};
|
|
struct ethnl_req_info req_info = {};
|
|
struct nlattr **tb = info->attrs;
|
|
const struct ethtool_ops *ops;
|
|
struct net_device *dev;
|
|
u32 supported_params;
|
|
bool mod = false;
|
|
int ret;
|
|
u16 a;
|
|
|
|
ret = ethnl_parse_header_dev_get(&req_info,
|
|
tb[ETHTOOL_A_COALESCE_HEADER],
|
|
genl_info_net(info), info->extack,
|
|
true);
|
|
if (ret < 0)
|
|
return ret;
|
|
dev = req_info.dev;
|
|
ops = dev->ethtool_ops;
|
|
ret = -EOPNOTSUPP;
|
|
if (!ops->get_coalesce || !ops->set_coalesce)
|
|
goto out_dev;
|
|
|
|
/* make sure that only supported parameters are present */
|
|
supported_params = ops->supported_coalesce_params;
|
|
for (a = ETHTOOL_A_COALESCE_RX_USECS; a < __ETHTOOL_A_COALESCE_CNT; a++)
|
|
if (tb[a] && !(supported_params & attr_to_mask(a))) {
|
|
ret = -EINVAL;
|
|
NL_SET_ERR_MSG_ATTR(info->extack, tb[a],
|
|
"cannot modify an unsupported parameter");
|
|
goto out_dev;
|
|
}
|
|
|
|
rtnl_lock();
|
|
ret = ethnl_ops_begin(dev);
|
|
if (ret < 0)
|
|
goto out_rtnl;
|
|
ret = ops->get_coalesce(dev, &coalesce);
|
|
if (ret < 0)
|
|
goto out_ops;
|
|
|
|
ethnl_update_u32(&coalesce.rx_coalesce_usecs,
|
|
tb[ETHTOOL_A_COALESCE_RX_USECS], &mod);
|
|
ethnl_update_u32(&coalesce.rx_max_coalesced_frames,
|
|
tb[ETHTOOL_A_COALESCE_RX_MAX_FRAMES], &mod);
|
|
ethnl_update_u32(&coalesce.rx_coalesce_usecs_irq,
|
|
tb[ETHTOOL_A_COALESCE_RX_USECS_IRQ], &mod);
|
|
ethnl_update_u32(&coalesce.rx_max_coalesced_frames_irq,
|
|
tb[ETHTOOL_A_COALESCE_RX_MAX_FRAMES_IRQ], &mod);
|
|
ethnl_update_u32(&coalesce.tx_coalesce_usecs,
|
|
tb[ETHTOOL_A_COALESCE_TX_USECS], &mod);
|
|
ethnl_update_u32(&coalesce.tx_max_coalesced_frames,
|
|
tb[ETHTOOL_A_COALESCE_TX_MAX_FRAMES], &mod);
|
|
ethnl_update_u32(&coalesce.tx_coalesce_usecs_irq,
|
|
tb[ETHTOOL_A_COALESCE_TX_USECS_IRQ], &mod);
|
|
ethnl_update_u32(&coalesce.tx_max_coalesced_frames_irq,
|
|
tb[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_IRQ], &mod);
|
|
ethnl_update_u32(&coalesce.stats_block_coalesce_usecs,
|
|
tb[ETHTOOL_A_COALESCE_STATS_BLOCK_USECS], &mod);
|
|
ethnl_update_bool32(&coalesce.use_adaptive_rx_coalesce,
|
|
tb[ETHTOOL_A_COALESCE_USE_ADAPTIVE_RX], &mod);
|
|
ethnl_update_bool32(&coalesce.use_adaptive_tx_coalesce,
|
|
tb[ETHTOOL_A_COALESCE_USE_ADAPTIVE_TX], &mod);
|
|
ethnl_update_u32(&coalesce.pkt_rate_low,
|
|
tb[ETHTOOL_A_COALESCE_PKT_RATE_LOW], &mod);
|
|
ethnl_update_u32(&coalesce.rx_coalesce_usecs_low,
|
|
tb[ETHTOOL_A_COALESCE_RX_USECS_LOW], &mod);
|
|
ethnl_update_u32(&coalesce.rx_max_coalesced_frames_low,
|
|
tb[ETHTOOL_A_COALESCE_RX_MAX_FRAMES_LOW], &mod);
|
|
ethnl_update_u32(&coalesce.tx_coalesce_usecs_low,
|
|
tb[ETHTOOL_A_COALESCE_TX_USECS_LOW], &mod);
|
|
ethnl_update_u32(&coalesce.tx_max_coalesced_frames_low,
|
|
tb[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_LOW], &mod);
|
|
ethnl_update_u32(&coalesce.pkt_rate_high,
|
|
tb[ETHTOOL_A_COALESCE_PKT_RATE_HIGH], &mod);
|
|
ethnl_update_u32(&coalesce.rx_coalesce_usecs_high,
|
|
tb[ETHTOOL_A_COALESCE_RX_USECS_HIGH], &mod);
|
|
ethnl_update_u32(&coalesce.rx_max_coalesced_frames_high,
|
|
tb[ETHTOOL_A_COALESCE_RX_MAX_FRAMES_HIGH], &mod);
|
|
ethnl_update_u32(&coalesce.tx_coalesce_usecs_high,
|
|
tb[ETHTOOL_A_COALESCE_TX_USECS_HIGH], &mod);
|
|
ethnl_update_u32(&coalesce.tx_max_coalesced_frames_high,
|
|
tb[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH], &mod);
|
|
ethnl_update_u32(&coalesce.rate_sample_interval,
|
|
tb[ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL], &mod);
|
|
ret = 0;
|
|
if (!mod)
|
|
goto out_ops;
|
|
|
|
ret = dev->ethtool_ops->set_coalesce(dev, &coalesce);
|
|
if (ret < 0)
|
|
goto out_ops;
|
|
ethtool_notify(dev, ETHTOOL_MSG_COALESCE_NTF, NULL);
|
|
|
|
out_ops:
|
|
ethnl_ops_complete(dev);
|
|
out_rtnl:
|
|
rtnl_unlock();
|
|
out_dev:
|
|
dev_put(dev);
|
|
return ret;
|
|
}
|