diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/devlink.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/net/core/devlink.c b/net/core/devlink.c index 6766f9ef3152..7a38f9e25922 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -3147,9 +3147,9 @@ EXPORT_SYMBOL_GPL(devlink_flash_update_timeout_notify); static int devlink_nl_cmd_flash_update(struct sk_buff *skb, struct genl_info *info) { + struct nlattr *nla_component, *nla_overwrite_mask; struct devlink_flash_update_params params = {}; struct devlink *devlink = info->user_ptr[0]; - struct nlattr *nla_component; u32 supported_params; if (!devlink->ops->flash_update) @@ -3172,6 +3172,19 @@ static int devlink_nl_cmd_flash_update(struct sk_buff *skb, params.component = nla_data(nla_component); } + nla_overwrite_mask = info->attrs[DEVLINK_ATTR_FLASH_UPDATE_OVERWRITE_MASK]; + if (nla_overwrite_mask) { + struct nla_bitfield32 sections; + + if (!(supported_params & DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK)) { + NL_SET_ERR_MSG_ATTR(info->extack, nla_overwrite_mask, + "overwrite settings are not supported by this device"); + return -EOPNOTSUPP; + } + sections = nla_get_bitfield32(nla_overwrite_mask); + params.overwrite_mask = sections.value & sections.selector; + } + return devlink->ops->flash_update(devlink, ¶ms, info->extack); } @@ -7093,6 +7106,8 @@ static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = { [DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER] = { .type = NLA_U8 }, [DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME] = { .type = NLA_NUL_STRING }, [DEVLINK_ATTR_FLASH_UPDATE_COMPONENT] = { .type = NLA_NUL_STRING }, + [DEVLINK_ATTR_FLASH_UPDATE_OVERWRITE_MASK] = + NLA_POLICY_BITFIELD32(DEVLINK_SUPPORTED_FLASH_OVERWRITE_SECTIONS), [DEVLINK_ATTR_TRAP_NAME] = { .type = NLA_NUL_STRING }, [DEVLINK_ATTR_TRAP_ACTION] = { .type = NLA_U8 }, [DEVLINK_ATTR_TRAP_GROUP_NAME] = { .type = NLA_NUL_STRING }, |