diff options
| author | Edward Cree <ecree@solarflare.com> | 2020-07-27 12:56:11 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-27 12:26:55 -0700 |
| commit | c027f2a72a3149a28387a67a58a6cfc585bbcd53 (patch) | |
| tree | 86fdd2858b6818c2de5369ff34605c564651a425 /drivers/net/ethernet/sfc/ef100_nic.c | |
| parent | 51b35a454efdcd86f578e61ec8bf7596299c5f80 (diff) | |
sfc_ef100: reset-handling stub
We don't actually do the efx_mcdi_reset() because we don't have MCDI yet.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/ef100_nic.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/ef100_nic.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/ef100_nic.c b/drivers/net/ethernet/sfc/ef100_nic.c index 7bb304bc148e..875bbbdf606c 100644 --- a/drivers/net/ethernet/sfc/ef100_nic.c +++ b/drivers/net/ethernet/sfc/ef100_nic.c @@ -26,6 +26,8 @@ #define EF100_MAX_VIS 4096 +#define EF100_RESET_PORT ((ETH_RESET_MAC | ETH_RESET_PHY) << ETH_RESET_SHARED_SHIFT) + /* MCDI */ static int ef100_get_warm_boot_count(struct efx_nic *efx) @@ -75,6 +77,51 @@ static irqreturn_t ef100_msi_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } +/* Other + */ + +static enum reset_type ef100_map_reset_reason(enum reset_type reason) +{ + if (reason == RESET_TYPE_TX_WATCHDOG) + return reason; + return RESET_TYPE_DISABLE; +} + +static int ef100_map_reset_flags(u32 *flags) +{ + /* Only perform a RESET_TYPE_ALL because we don't support MC_REBOOTs */ + if ((*flags & EF100_RESET_PORT)) { + *flags &= ~EF100_RESET_PORT; + return RESET_TYPE_ALL; + } + if (*flags & ETH_RESET_MGMT) { + *flags &= ~ETH_RESET_MGMT; + return RESET_TYPE_DISABLE; + } + + return -EINVAL; +} + +static int ef100_reset(struct efx_nic *efx, enum reset_type reset_type) +{ + int rc; + + dev_close(efx->net_dev); + + if (reset_type == RESET_TYPE_TX_WATCHDOG) { + netif_device_attach(efx->net_dev); + __clear_bit(reset_type, &efx->reset_pending); + rc = dev_open(efx->net_dev, NULL); + } else if (reset_type == RESET_TYPE_ALL) { + netif_device_attach(efx->net_dev); + + rc = dev_open(efx->net_dev, NULL); + } else { + rc = 1; /* Leave the device closed */ + } + return rc; +} + /* NIC level access functions */ const struct efx_nic_type ef100_pf_nic_type = { @@ -86,6 +133,9 @@ const struct efx_nic_type ef100_pf_nic_type = { .irq_disable_non_ev = efx_port_dummy_op_void, .push_irq_moderation = efx_channel_dummy_op_void, .min_interrupt_mode = EFX_INT_MODE_MSIX, + .map_reset_reason = ef100_map_reset_reason, + .map_reset_flags = ef100_map_reset_flags, + .reset = ef100_reset, .ev_probe = ef100_ev_probe, .irq_handle_msi = ef100_msi_interrupt, |