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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
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#include "bitset.h"#include "common.h"#include "netlink.h"
struct debug_req_info { struct ethnl_req_info base;};
struct debug_reply_data { struct ethnl_reply_data base; u32 msg_mask;};
#define DEBUG_REPDATA(__reply_base) \ container_of(__reply_base, struct debug_reply_data, base)
const struct nla_policy ethnl_debug_get_policy[] = { [ETHTOOL_A_DEBUG_HEADER] = NLA_POLICY_NESTED(ethnl_header_policy),};
static int debug_prepare_data(const struct ethnl_req_info *req_base, struct ethnl_reply_data *reply_base, const struct genl_info *info){ struct debug_reply_data *data = DEBUG_REPDATA(reply_base); struct net_device *dev = reply_base->dev; int ret;
if (!dev->ethtool_ops->get_msglevel) return -EOPNOTSUPP;
ret = ethnl_ops_begin(dev); if (ret < 0) return ret; data->msg_mask = dev->ethtool_ops->get_msglevel(dev); ethnl_ops_complete(dev);
return 0;}
static int debug_reply_size(const struct ethnl_req_info *req_base, const struct ethnl_reply_data *reply_base){ const struct debug_reply_data *data = DEBUG_REPDATA(reply_base); bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
return ethnl_bitset32_size(&data->msg_mask, NULL, NETIF_MSG_CLASS_COUNT, netif_msg_class_names, compact);}
static int debug_fill_reply(struct sk_buff *skb, const struct ethnl_req_info *req_base, const struct ethnl_reply_data *reply_base){ const struct debug_reply_data *data = DEBUG_REPDATA(reply_base); bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
return ethnl_put_bitset32(skb, ETHTOOL_A_DEBUG_MSGMASK, &data->msg_mask, NULL, NETIF_MSG_CLASS_COUNT, netif_msg_class_names, compact);}
/* DEBUG_SET */
const struct nla_policy ethnl_debug_set_policy[] = { [ETHTOOL_A_DEBUG_HEADER] = NLA_POLICY_NESTED(ethnl_header_policy), [ETHTOOL_A_DEBUG_MSGMASK] = { .type = NLA_NESTED },};
static intethnl_set_debug_validate(struct ethnl_req_info *req_info, struct genl_info *info){ const struct ethtool_ops *ops = req_info->dev->ethtool_ops;
return ops->get_msglevel && ops->set_msglevel ? 1 : -EOPNOTSUPP;}
static intethnl_set_debug(struct ethnl_req_info *req_info, struct genl_info *info){ struct net_device *dev = req_info->dev; struct nlattr **tb = info->attrs; bool mod = false; u32 msg_mask; int ret;
msg_mask = dev->ethtool_ops->get_msglevel(dev); ret = ethnl_update_bitset32(&msg_mask, NETIF_MSG_CLASS_COUNT, tb[ETHTOOL_A_DEBUG_MSGMASK], netif_msg_class_names, info->extack, &mod); if (ret < 0 || !mod) return ret;
dev->ethtool_ops->set_msglevel(dev, msg_mask); return 1;}
const struct ethnl_request_ops ethnl_debug_request_ops = { .request_cmd = ETHTOOL_MSG_DEBUG_GET, .reply_cmd = ETHTOOL_MSG_DEBUG_GET_REPLY, .hdr_attr = ETHTOOL_A_DEBUG_HEADER, .req_info_size = sizeof(struct debug_req_info), .reply_data_size = sizeof(struct debug_reply_data),
.prepare_data = debug_prepare_data, .reply_size = debug_reply_size, .fill_reply = debug_fill_reply,
.set_validate = ethnl_set_debug_validate, .set = ethnl_set_debug, .set_ntf_cmd = ETHTOOL_MSG_DEBUG_NTF,};