Commit 7fece840 authored by Casey Leedom's avatar Casey Leedom Committed by David S. Miller

cxgb4: ethtool forward error correction management support

Signed-off-by: default avatarCasey Leedom <leedom@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 158a5c0a
...@@ -801,6 +801,104 @@ static int set_link_ksettings(struct net_device *dev, ...@@ -801,6 +801,104 @@ static int set_link_ksettings(struct net_device *dev,
return ret; return ret;
} }
/* Translate the Firmware FEC value into the ethtool value. */
static inline unsigned int fwcap_to_eth_fec(unsigned int fw_fec)
{
unsigned int eth_fec = 0;
if (fw_fec & FW_PORT_CAP_FEC_RS)
eth_fec |= ETHTOOL_FEC_RS;
if (fw_fec & FW_PORT_CAP_FEC_BASER_RS)
eth_fec |= ETHTOOL_FEC_BASER;
/* if nothing is set, then FEC is off */
if (!eth_fec)
eth_fec = ETHTOOL_FEC_OFF;
return eth_fec;
}
/* Translate Common Code FEC value into ethtool value. */
static inline unsigned int cc_to_eth_fec(unsigned int cc_fec)
{
unsigned int eth_fec = 0;
if (cc_fec & FEC_AUTO)
eth_fec |= ETHTOOL_FEC_AUTO;
if (cc_fec & FEC_RS)
eth_fec |= ETHTOOL_FEC_RS;
if (cc_fec & FEC_BASER_RS)
eth_fec |= ETHTOOL_FEC_BASER;
/* if nothing is set, then FEC is off */
if (!eth_fec)
eth_fec = ETHTOOL_FEC_OFF;
return eth_fec;
}
/* Translate ethtool FEC value into Common Code value. */
static inline unsigned int eth_to_cc_fec(unsigned int eth_fec)
{
unsigned int cc_fec = 0;
if (eth_fec & ETHTOOL_FEC_OFF)
return cc_fec;
if (eth_fec & ETHTOOL_FEC_AUTO)
cc_fec |= FEC_AUTO;
if (eth_fec & ETHTOOL_FEC_RS)
cc_fec |= FEC_RS;
if (eth_fec & ETHTOOL_FEC_BASER)
cc_fec |= FEC_BASER_RS;
return cc_fec;
}
static int get_fecparam(struct net_device *dev, struct ethtool_fecparam *fec)
{
const struct port_info *pi = netdev_priv(dev);
const struct link_config *lc = &pi->link_cfg;
/* Translate the Firmware FEC Support into the ethtool value. We
* always support IEEE 802.3 "automatic" selection of Link FEC type if
* any FEC is supported.
*/
fec->fec = fwcap_to_eth_fec(lc->supported);
if (fec->fec != ETHTOOL_FEC_OFF)
fec->fec |= ETHTOOL_FEC_AUTO;
/* Translate the current internal FEC parameters into the
* ethtool values.
*/
fec->active_fec = cc_to_eth_fec(lc->fec);
return 0;
}
static int set_fecparam(struct net_device *dev, struct ethtool_fecparam *fec)
{
struct port_info *pi = netdev_priv(dev);
struct link_config *lc = &pi->link_cfg;
struct link_config old_lc;
int ret;
/* Save old Link Configuration in case the L1 Configure below
* fails.
*/
old_lc = *lc;
/* Try to perform the L1 Configure and return the result of that
* effort. If it fails, revert the attempted change.
*/
lc->requested_fec = eth_to_cc_fec(fec->fec);
ret = t4_link_l1cfg(pi->adapter, pi->adapter->mbox,
pi->tx_chan, lc);
if (ret)
*lc = old_lc;
return ret;
}
static void get_pauseparam(struct net_device *dev, static void get_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *epause) struct ethtool_pauseparam *epause)
{ {
...@@ -1255,6 +1353,8 @@ static int get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, ...@@ -1255,6 +1353,8 @@ static int get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
static const struct ethtool_ops cxgb_ethtool_ops = { static const struct ethtool_ops cxgb_ethtool_ops = {
.get_link_ksettings = get_link_ksettings, .get_link_ksettings = get_link_ksettings,
.set_link_ksettings = set_link_ksettings, .set_link_ksettings = set_link_ksettings,
.get_fecparam = get_fecparam,
.set_fecparam = set_fecparam,
.get_drvinfo = get_drvinfo, .get_drvinfo = get_drvinfo,
.get_msglevel = get_msglevel, .get_msglevel = get_msglevel,
.set_msglevel = set_msglevel, .set_msglevel = set_msglevel,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment