iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sfc_ef100: probe the PHY and configure the MAC

Browse Source 
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Edward Cree 2020-07-27 13:05:08 +01:00 committed by David S. Miller
parent 4e5675bbab
commit 99a23c1168
1 changed files with 41 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
drivers/net/ethernet/sfc/ef100_nic.c
View File

@ -288,16 +288,54 @@ static irqreturn_t ef100_msi_interrupt(int irq, void *dev_id)
static int ef100_phy_probe(struct efx_nic *efx)
{
/* stub: allocate the phy_data */
struct efx_mcdi_phy_data *phy_data;
int rc;
/* Probe for the PHY */
efx->phy_data = kzalloc(sizeof(struct efx_mcdi_phy_data), GFP_KERNEL);
if (!efx->phy_data)
return -ENOMEM;
rc = efx_mcdi_get_phy_cfg(efx, efx->phy_data);
if (rc)
return rc;
/* Populate driver and ethtool settings */
phy_data = efx->phy_data;
mcdi_to_ethtool_linkset(phy_data->media, phy_data->supported_cap,
efx->link_advertising);
efx->fec_config = mcdi_fec_caps_to_ethtool(phy_data->supported_cap,
false);
/* Default to Autonegotiated flow control if the PHY supports it */
efx->wanted_fc = EFX_FC_RX | EFX_FC_TX;
if (phy_data->supported_cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
efx->wanted_fc |= EFX_FC_AUTO;
efx_link_set_wanted_fc(efx, efx->wanted_fc);
/* Push settings to the PHY. Failure is not fatal, the user can try to
* fix it using ethtool.
*/
rc = efx_mcdi_port_reconfigure(efx);
if (rc && rc != -EPERM)
netif_warn(efx, drv, efx->net_dev,
"could not initialise PHY settings\n");
return 0;
}
/* Other
*/
static int ef100_reconfigure_mac(struct efx_nic *efx, bool mtu_only)
{
WARN_ON(!mutex_is_locked(&efx->mac_lock));
efx_mcdi_filter_sync_rx_mode(efx);
if (mtu_only && efx_has_cap(efx, SET_MAC_ENHANCED))
return efx_mcdi_set_mtu(efx);
return efx_mcdi_set_mac(efx);
}
static enum reset_type ef100_map_reset_reason(enum reset_type reason)
{
@ -401,6 +439,8 @@ const struct efx_nic_type ef100_pf_nic_type = {
.rx_write = ef100_rx_write,
.rx_packet = __ef100_rx_packet,
.reconfigure_mac = ef100_reconfigure_mac,
/* Per-type bar/size configuration not used on ef100. Location of
* registers is defined by extended capabilities.
*/