354 lines
14 KiB
C
354 lines
14 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);
|
|
|
|
static const struct nla_policy
|
|
coalesce_get_policy[ETHTOOL_A_COALESCE_MAX + 1] = {
|
|
[ETHTOOL_A_COALESCE_UNSPEC] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_HEADER] = { .type = NLA_NESTED },
|
|
[ETHTOOL_A_COALESCE_RX_USECS] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_RX_MAX_FRAMES] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_RX_USECS_IRQ] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_RX_MAX_FRAMES_IRQ] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_TX_USECS] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_TX_MAX_FRAMES] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_TX_USECS_IRQ] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_IRQ] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_STATS_BLOCK_USECS] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_USE_ADAPTIVE_RX] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_USE_ADAPTIVE_TX] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_PKT_RATE_LOW] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_RX_USECS_LOW] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_RX_MAX_FRAMES_LOW] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_TX_USECS_LOW] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_LOW] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_PKT_RATE_HIGH] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_RX_USECS_HIGH] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_RX_MAX_FRAMES_HIGH] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_TX_USECS_HIGH] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL] = { .type = NLA_REJECT },
|
|
};
|
|
|
|
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,
|
|
.max_attr = ETHTOOL_A_COALESCE_MAX,
|
|
.req_info_size = sizeof(struct coalesce_req_info),
|
|
.reply_data_size = sizeof(struct coalesce_reply_data),
|
|
.request_policy = coalesce_get_policy,
|
|
|
|
.prepare_data = coalesce_prepare_data,
|
|
.reply_size = coalesce_reply_size,
|
|
.fill_reply = coalesce_fill_reply,
|
|
};
|
|
|
|
/* COALESCE_SET */
|
|
|
|
static const struct nla_policy
|
|
coalesce_set_policy[ETHTOOL_A_COALESCE_MAX + 1] = {
|
|
[ETHTOOL_A_COALESCE_UNSPEC] = { .type = NLA_REJECT },
|
|
[ETHTOOL_A_COALESCE_HEADER] = { .type = NLA_NESTED },
|
|
[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 nlattr *tb[ETHTOOL_A_COALESCE_MAX + 1];
|
|
struct ethtool_coalesce coalesce = {};
|
|
struct ethnl_req_info req_info = {};
|
|
const struct ethtool_ops *ops;
|
|
struct net_device *dev;
|
|
u32 supported_params;
|
|
bool mod = false;
|
|
int ret;
|
|
u16 a;
|
|
|
|
ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
|
|
ETHTOOL_A_COALESCE_MAX, coalesce_set_policy,
|
|
info->extack);
|
|
if (ret < 0)
|
|
return ret;
|
|
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;
|
|
}
|