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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /net/ethtool/eee.c
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'net/ethtool/eee.c')
-rw-r--r--net/ethtool/eee.c172
1 files changed, 172 insertions, 0 deletions
diff --git a/net/ethtool/eee.c b/net/ethtool/eee.c
new file mode 100644
index 000000000..50d6fcd36
--- /dev/null
+++ b/net/ethtool/eee.c
@@ -0,0 +1,172 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include "bitset.h"
+#include "common.h"
+#include "netlink.h"
+
+struct eee_req_info {
+ struct ethnl_req_info base;
+};
+
+struct eee_reply_data {
+ struct ethnl_reply_data base;
+ struct ethtool_keee eee;
+};
+
+#define EEE_REPDATA(__reply_base) \
+ container_of(__reply_base, struct eee_reply_data, base)
+
+const struct nla_policy ethnl_eee_get_policy[] = {
+ [ETHTOOL_A_EEE_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
+};
+
+static int eee_prepare_data(const struct ethnl_req_info *req_base,
+ struct ethnl_reply_data *reply_base,
+ const struct genl_info *info)
+{
+ struct eee_reply_data *data = EEE_REPDATA(reply_base);
+ struct net_device *dev = reply_base->dev;
+ struct ethtool_keee *eee = &data->eee;
+ int ret;
+
+ if (!dev->ethtool_ops->get_eee)
+ return -EOPNOTSUPP;
+ ret = ethnl_ops_begin(dev);
+ if (ret < 0)
+ return ret;
+ ret = dev->ethtool_ops->get_eee(dev, eee);
+ ethnl_ops_complete(dev);
+
+ return ret;
+}
+
+static int eee_reply_size(const struct ethnl_req_info *req_base,
+ const struct ethnl_reply_data *reply_base)
+{
+ bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
+ const struct eee_reply_data *data = EEE_REPDATA(reply_base);
+ const struct ethtool_keee *eee = &data->eee;
+ int len = 0;
+ int ret;
+
+ /* MODES_OURS */
+ ret = ethnl_bitset_size(eee->advertised, eee->supported,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+ link_mode_names, compact);
+ if (ret < 0)
+ return ret;
+ len += ret;
+ /* MODES_PEERS */
+ ret = ethnl_bitset_size(eee->lp_advertised, NULL,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+ link_mode_names, compact);
+ if (ret < 0)
+ return ret;
+ len += ret;
+
+ len += nla_total_size(sizeof(u8)) + /* _EEE_ACTIVE */
+ nla_total_size(sizeof(u8)) + /* _EEE_ENABLED */
+ nla_total_size(sizeof(u8)) + /* _EEE_TX_LPI_ENABLED */
+ nla_total_size(sizeof(u32)); /* _EEE_TX_LPI_TIMER */
+
+ return len;
+}
+
+static int eee_fill_reply(struct sk_buff *skb,
+ const struct ethnl_req_info *req_base,
+ const struct ethnl_reply_data *reply_base)
+{
+ bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
+ const struct eee_reply_data *data = EEE_REPDATA(reply_base);
+ const struct ethtool_keee *eee = &data->eee;
+ int ret;
+
+ ret = ethnl_put_bitset(skb, ETHTOOL_A_EEE_MODES_OURS,
+ eee->advertised, eee->supported,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+ link_mode_names, compact);
+ if (ret < 0)
+ return ret;
+ ret = ethnl_put_bitset(skb, ETHTOOL_A_EEE_MODES_PEER,
+ eee->lp_advertised, NULL,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+ link_mode_names, compact);
+ if (ret < 0)
+ return ret;
+
+ if (nla_put_u8(skb, ETHTOOL_A_EEE_ACTIVE, eee->eee_active) ||
+ nla_put_u8(skb, ETHTOOL_A_EEE_ENABLED, eee->eee_enabled) ||
+ nla_put_u8(skb, ETHTOOL_A_EEE_TX_LPI_ENABLED,
+ eee->tx_lpi_enabled) ||
+ nla_put_u32(skb, ETHTOOL_A_EEE_TX_LPI_TIMER, eee->tx_lpi_timer))
+ return -EMSGSIZE;
+
+ return 0;
+}
+
+/* EEE_SET */
+
+const struct nla_policy ethnl_eee_set_policy[] = {
+ [ETHTOOL_A_EEE_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
+ [ETHTOOL_A_EEE_MODES_OURS] = { .type = NLA_NESTED },
+ [ETHTOOL_A_EEE_ENABLED] = { .type = NLA_U8 },
+ [ETHTOOL_A_EEE_TX_LPI_ENABLED] = { .type = NLA_U8 },
+ [ETHTOOL_A_EEE_TX_LPI_TIMER] = { .type = NLA_U32 },
+};
+
+static int
+ethnl_set_eee_validate(struct ethnl_req_info *req_info, struct genl_info *info)
+{
+ const struct ethtool_ops *ops = req_info->dev->ethtool_ops;
+
+ return ops->get_eee && ops->set_eee ? 1 : -EOPNOTSUPP;
+}
+
+static int
+ethnl_set_eee(struct ethnl_req_info *req_info, struct genl_info *info)
+{
+ struct net_device *dev = req_info->dev;
+ struct nlattr **tb = info->attrs;
+ struct ethtool_keee eee = {};
+ bool mod = false;
+ int ret;
+
+ ret = dev->ethtool_ops->get_eee(dev, &eee);
+ if (ret < 0)
+ return ret;
+
+ ret = ethnl_update_bitset(eee.advertised,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+ tb[ETHTOOL_A_EEE_MODES_OURS],
+ link_mode_names, info->extack, &mod);
+ if (ret < 0)
+ return ret;
+ ethnl_update_bool(&eee.eee_enabled, tb[ETHTOOL_A_EEE_ENABLED], &mod);
+ ethnl_update_bool(&eee.tx_lpi_enabled, tb[ETHTOOL_A_EEE_TX_LPI_ENABLED],
+ &mod);
+ ethnl_update_u32(&eee.tx_lpi_timer, tb[ETHTOOL_A_EEE_TX_LPI_TIMER],
+ &mod);
+ if (!mod)
+ return 0;
+
+ ret = dev->ethtool_ops->set_eee(dev, &eee);
+ return ret < 0 ? ret : 1;
+}
+
+const struct ethnl_request_ops ethnl_eee_request_ops = {
+ .request_cmd = ETHTOOL_MSG_EEE_GET,
+ .reply_cmd = ETHTOOL_MSG_EEE_GET_REPLY,
+ .hdr_attr = ETHTOOL_A_EEE_HEADER,
+ .req_info_size = sizeof(struct eee_req_info),
+ .reply_data_size = sizeof(struct eee_reply_data),
+
+ .prepare_data = eee_prepare_data,
+ .reply_size = eee_reply_size,
+ .fill_reply = eee_fill_reply,
+
+ .set_validate = ethnl_set_eee_validate,
+ .set = ethnl_set_eee,
+ .set_ntf_cmd = ETHTOOL_MSG_EEE_NTF,
+};