diff options
| author | David S. Miller <davem@davemloft.net> | 2023-01-23 16:57:39 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-01-23 16:57:39 +0300 |
| commit | dc0b98a1758f0d2296349ca23ac88804b922e88d (patch) | |
| tree | 7b92877d3bf3176735247d8102330098a5f79e5d /net/ethtool | |
| parent | 7a98143118799411cc09e3dfc0b2a6f12628f7db (diff) | |
| download | linux-dc0b98a1758f0d2296349ca23ac88804b922e88d.tar.xz | |
ethtool: Add and use ethnl_update_bool.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ethtool')
| -rw-r--r-- | net/ethtool/mm.c | 2 | ||||
| -rw-r--r-- | net/ethtool/netlink.h | 26 |
2 files changed, 27 insertions, 1 deletions
diff --git a/net/ethtool/mm.c b/net/ethtool/mm.c index 809d196665c6..3e8acdb806fd 100644 --- a/net/ethtool/mm.c +++ b/net/ethtool/mm.c @@ -225,7 +225,7 @@ int ethnl_set_mm(struct sk_buff *skb, struct genl_info *info) ethnl_update_u32(&cfg.verify_time, tb[ETHTOOL_A_MM_VERIFY_TIME], &mod); ethnl_update_bool(&cfg.tx_enabled, tb[ETHTOOL_A_MM_TX_ENABLED], &mod); ethnl_update_bool(&cfg.pmac_enabled, tb[ETHTOOL_A_MM_PMAC_ENABLED], - &mod); + &mod); ethnl_update_u32(&cfg.tx_min_frag_size, tb[ETHTOOL_A_MM_TX_MIN_FRAG_SIZE], &mod); diff --git a/net/ethtool/netlink.h b/net/ethtool/netlink.h index deb057c4ea62..b01f7cd542c4 100644 --- a/net/ethtool/netlink.h +++ b/net/ethtool/netlink.h @@ -138,6 +138,32 @@ static inline void ethnl_update_bool32(u32 *dst, const struct nlattr *attr, } /** + * ethnl_update_bool() - updateb bool used as bool from NLA_U8 attribute + * @dst: value to update + * @attr: netlink attribute with new value or null + * @mod: pointer to bool for modification tracking + * + * Use the bool value from NLA_U8 netlink attribute @attr to set bool variable + * pointed to by @dst to 0 (if zero) or 1 (if not); do nothing if @attr is + * null. Bool pointed to by @mod is set to true if this function changed the + * logical value of *dst, otherwise it is left as is. + */ +static inline void ethnl_update_bool(bool *dst, const struct nlattr *attr, + bool *mod) +{ + u8 val; + + if (!attr) + return; + val = !!nla_get_u8(attr); + if (!!*dst == val) + return; + + *dst = val; + *mod = true; +} + +/** * ethnl_update_binary() - update binary data from NLA_BINARY attribute * @dst: value to update * @len: destination buffer length |