diff options
Diffstat (limited to 'drivers/net/mii.c')
| -rw-r--r-- | drivers/net/mii.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/net/mii.c b/drivers/net/mii.c index 2912a34f597b..92056051f269 100644 --- a/drivers/net/mii.c +++ b/drivers/net/mii.c @@ -33,6 +33,13 @@ #include <linux/ethtool.h> #include <linux/mii.h> +/** + * mii_ethtool_gset - get settings that are specified in @ecmd + * @mii: MII interface + * @ecmd: requested ethtool_cmd + * + * Returns 0 for success, negative on error. + */ int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd) { struct net_device *dev = mii->dev; @@ -114,6 +121,13 @@ int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd) return 0; } +/** + * mii_ethtool_sset - set settings that are specified in @ecmd + * @mii: MII interface + * @ecmd: requested ethtool_cmd + * + * Returns 0 for success, negative on error. + */ int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd) { struct net_device *dev = mii->dev; @@ -207,6 +221,10 @@ int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd) return 0; } +/** + * mii_check_gmii_support - check if the MII supports Gb interfaces + * @mii: the MII interface + */ int mii_check_gmii_support(struct mii_if_info *mii) { int reg; @@ -221,6 +239,12 @@ int mii_check_gmii_support(struct mii_if_info *mii) return 0; } +/** + * mii_link_ok - is link status up/ok + * @mii: the MII interface + * + * Returns 1 if the MII reports link status up/ok, 0 otherwise. + */ int mii_link_ok (struct mii_if_info *mii) { /* first, a dummy read, needed to latch some MII phys */ @@ -230,6 +254,12 @@ int mii_link_ok (struct mii_if_info *mii) return 0; } +/** + * mii_nway_restart - restart NWay (autonegotiation) for this interface + * @mii: the MII interface + * + * Returns 0 on success, negative on error. + */ int mii_nway_restart (struct mii_if_info *mii) { int bmcr; @@ -247,6 +277,14 @@ int mii_nway_restart (struct mii_if_info *mii) return r; } +/** + * mii_check_link - check MII link status + * @mii: MII interface + * + * If the link status changed (previous != current), call + * netif_carrier_on() if current link status is Up or call + * netif_carrier_off() if current link status is Down. + */ void mii_check_link (struct mii_if_info *mii) { int cur_link = mii_link_ok(mii); @@ -258,6 +296,15 @@ void mii_check_link (struct mii_if_info *mii) netif_carrier_off(mii->dev); } +/** + * mii_check_media - check the MII interface for a duplex change + * @mii: the MII interface + * @ok_to_print: OK to print link up/down messages + * @init_media: OK to save duplex mode in @mii + * + * Returns 1 if the duplex mode changed, 0 if not. + * If the media type is forced, always returns 0. + */ unsigned int mii_check_media (struct mii_if_info *mii, unsigned int ok_to_print, unsigned int init_media) @@ -326,6 +373,16 @@ unsigned int mii_check_media (struct mii_if_info *mii, return 0; /* duplex did not change */ } +/** + * generic_mii_ioctl - main MII ioctl interface + * @mii_if: the MII interface + * @mii_data: MII ioctl data structure + * @cmd: MII ioctl command + * @duplex_chg_out: pointer to @duplex_changed status if there was no + * ioctl error + * + * Returns 0 on success, negative on error. + */ int generic_mii_ioctl(struct mii_if_info *mii_if, struct mii_ioctl_data *mii_data, int cmd, unsigned int *duplex_chg_out) |