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author | Philippe Reynes <tremyfr@gmail.com> | 2016-04-15 00:34:59 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-04-18 20:45:08 +0200 |
commit | 6d62b4d5fac620ee0ca65dc6d99b0306d96bc541 (patch) | |
tree | 3cd05429d28f63fbe2ddfa3860cf39be5485d0cb | |
parent | tun: don't require serialization lock on tx (diff) | |
download | linux-6d62b4d5fac620ee0ca65dc6d99b0306d96bc541.tar.xz linux-6d62b4d5fac620ee0ca65dc6d99b0306d96bc541.zip |
net: ethtool: export conversion function between u32 and link mode
The function convert_legacy_u32_to_link_mode and
convert_link_mode_to_legacy_u32 may be used outside
of ethtool.c. We rename them to ethtool_convert_...
and export them, so we could use them in others
drivers and modules.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | include/linux/ethtool.h | 7 | ||||
-rw-r--r-- | net/core/ethtool.c | 21 |
2 files changed, 19 insertions, 9 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index e2b7bf27c03e..9ded8c6d8176 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -150,6 +150,13 @@ extern int __ethtool_get_link_ksettings(struct net_device *dev, struct ethtool_link_ksettings *link_ksettings); +void ethtool_convert_legacy_u32_to_link_mode(unsigned long *dst, + u32 legacy_u32); + +/* return false if src had higher bits set. lower bits always updated. */ +bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, + const unsigned long *src); + /** * struct ethtool_ops - optional netdev operations * @get_settings: DEPRECATED, use %get_link_ksettings/%set_link_ksettings diff --git a/net/core/ethtool.c b/net/core/ethtool.c index e0cf20a3b3dd..bdb4013581b1 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -391,15 +391,17 @@ static int __ethtool_set_flags(struct net_device *dev, u32 data) return 0; } -static void convert_legacy_u32_to_link_mode(unsigned long *dst, u32 legacy_u32) +void ethtool_convert_legacy_u32_to_link_mode(unsigned long *dst, + u32 legacy_u32) { bitmap_zero(dst, __ETHTOOL_LINK_MODE_MASK_NBITS); dst[0] = legacy_u32; } +EXPORT_SYMBOL(ethtool_convert_legacy_u32_to_link_mode); /* return false if src had higher bits set. lower bits always updated. */ -static bool convert_link_mode_to_legacy_u32(u32 *legacy_u32, - const unsigned long *src) +bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, + const unsigned long *src) { bool retval = true; @@ -419,6 +421,7 @@ static bool convert_link_mode_to_legacy_u32(u32 *legacy_u32, *legacy_u32 = src[0]; return retval; } +EXPORT_SYMBOL(ethtool_convert_link_mode_to_legacy_u32); /* return false if legacy contained non-0 deprecated fields * transceiver/maxtxpkt/maxrxpkt. rest of ksettings always updated @@ -441,13 +444,13 @@ convert_legacy_settings_to_link_ksettings( legacy_settings->maxrxpkt) retval = false; - convert_legacy_u32_to_link_mode( + ethtool_convert_legacy_u32_to_link_mode( link_ksettings->link_modes.supported, legacy_settings->supported); - convert_legacy_u32_to_link_mode( + ethtool_convert_legacy_u32_to_link_mode( link_ksettings->link_modes.advertising, legacy_settings->advertising); - convert_legacy_u32_to_link_mode( + ethtool_convert_legacy_u32_to_link_mode( link_ksettings->link_modes.lp_advertising, legacy_settings->lp_advertising); link_ksettings->base.speed @@ -486,13 +489,13 @@ convert_link_ksettings_to_legacy_settings( * __u32 maxrxpkt; */ - retval &= convert_link_mode_to_legacy_u32( + retval &= ethtool_convert_link_mode_to_legacy_u32( &legacy_settings->supported, link_ksettings->link_modes.supported); - retval &= convert_link_mode_to_legacy_u32( + retval &= ethtool_convert_link_mode_to_legacy_u32( &legacy_settings->advertising, link_ksettings->link_modes.advertising); - retval &= convert_link_mode_to_legacy_u32( + retval &= ethtool_convert_link_mode_to_legacy_u32( &legacy_settings->lp_advertising, link_ksettings->link_modes.lp_advertising); ethtool_cmd_speed_set(legacy_settings, link_ksettings->base.speed); |