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sfc: Change efx_mcdi_reset_port to use ENTITY_RESET MC command.

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PORT_RESET MC command was NOP in the ef10 firmware hence we are using
ENTITY_RESET to make sure all resource allocations are reset.

Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jon Cooper
2014-01-17 19:48:06 +00:00
committed by David S. Miller
parent 6e6a50c254
commit 3e336261f8
2 changed files with 37 additions and 8 deletions
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31
drivers/net/ethernet/sfc/ef10.c
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@@ -683,6 +683,17 @@ static int efx_ef10_init_nic(struct efx_nic *efx)
return 0;
}
static void efx_ef10_reset_mc_allocations(struct efx_nic *efx)
{
struct efx_ef10_nic_data *nic_data = efx->nic_data;
/* All our allocations have been reset */
nic_data->must_realloc_vis = true;
nic_data->must_restore_filters = true;
nic_data->must_restore_piobufs = true;
nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID;
}
static int efx_ef10_map_reset_flags(u32 *flags)
{
enum {
@@ -713,6 +724,19 @@ static int efx_ef10_map_reset_flags(u32 *flags)
return -EINVAL;
}
static int efx_ef10_reset(struct efx_nic *efx, enum reset_type reset_type)
{
int rc = efx_mcdi_reset(efx, reset_type);
/* If it was a port reset, trigger reallocation of MC resources.
* Note that on an MC reset nothing needs to be done now because we'll
* detect the MC reset later and handle it then.
*/
if (reset_type == RESET_TYPE_ALL && !rc)
efx_ef10_reset_mc_allocations(efx);
return rc;
}
#define EF10_DMA_STAT(ext_name, mcdi_name) \
[EF10_STAT_ ## ext_name] = \
{ #ext_name, 64, 8 * MC_CMD_MAC_ ## mcdi_name }
@@ -1078,10 +1102,7 @@ static int efx_ef10_mcdi_poll_reboot(struct efx_nic *efx)
nic_data->warm_boot_count = rc;
/* All our allocations have been reset */
nic_data->must_realloc_vis = true;
nic_data->must_restore_filters = true;
nic_data->must_restore_piobufs = true;
nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID;
efx_ef10_reset_mc_allocations(efx);
/* The datapath firmware might have been changed */
nic_data->must_check_datapath_caps = true;
@@ -3571,7 +3592,7 @@ const struct efx_nic_type efx_hunt_a0_nic_type = {
.fini = efx_port_dummy_op_void,
.map_reset_reason = efx_mcdi_map_reset_reason,
.map_reset_flags = efx_ef10_map_reset_flags,
.reset = efx_mcdi_reset,
.reset = efx_ef10_reset,
.probe_port = efx_mcdi_port_probe,
.remove_port = efx_mcdi_port_remove,
.fini_dmaq = efx_ef10_fini_dmaq,