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net: ethtool: Make helpers public

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Make some helpers for building ethtool netlink messages available
outside the compilation unit, so they can be used for building
messages which are not simple get/set.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Andrew Lunn 2020-05-10 21:12:35 +02:00 • committed by Jakub Kicinski
parent b28efb930b
commit 0df960f14e
2 changed files with 4 additions and 2 deletions
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4
net/ethtool/netlink.c
View file

@ -181,13 +181,13 @@ err:
return NULL; return NULL;
} }
static void *ethnl_bcastmsg_put(struct sk_buff *skb, u8 cmd) void *ethnl_bcastmsg_put(struct sk_buff *skb, u8 cmd)
{ {
return genlmsg_put(skb, 0, ++ethnl_bcast_seq, &ethtool_genl_family, 0, return genlmsg_put(skb, 0, ++ethnl_bcast_seq, &ethtool_genl_family, 0,
cmd); cmd);
} }
static int ethnl_multicast(struct sk_buff *skb, struct net_device *dev) int ethnl_multicast(struct sk_buff *skb, struct net_device *dev)
{ {
return genlmsg_multicast_netns(&ethtool_genl_family, dev_net(dev), skb, return genlmsg_multicast_netns(&ethtool_genl_family, dev_net(dev), skb,
0, ETHNL_MCGRP_MONITOR, GFP_KERNEL); 0, ETHNL_MCGRP_MONITOR, GFP_KERNEL);

2
net/ethtool/netlink.h
View file

@ -19,6 +19,8 @@ int ethnl_fill_reply_header(struct sk_buff *skb, struct net_device *dev,
struct sk_buff *ethnl_reply_init(size_t payload, struct net_device *dev, u8 cmd, struct sk_buff *ethnl_reply_init(size_t payload, struct net_device *dev, u8 cmd,
u16 hdr_attrtype, struct genl_info *info, u16 hdr_attrtype, struct genl_info *info,
void **ehdrp); void **ehdrp);
void *ethnl_bcastmsg_put(struct sk_buff *skb, u8 cmd);
int ethnl_multicast(struct sk_buff *skb, struct net_device *dev);
/** /**
* ethnl_strz_size() - calculate attribute length for fixed size string * ethnl_strz_size() - calculate attribute length for fixed size string