diff options
| author | Jon Cooper <jcooper@solarflare.com> | 2014-01-17 20:48:06 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-01-21 23:46:12 +0100 |
| commit | 3e336261f88c3fb7a9789b1e3d0259eb0c8036fd (patch) | |
| tree | 362b6e1419c3eb220681534088534c8dbaa5a459 /drivers/net/ethernet/sfc/ef10.c | |
| parent | net_sched: act: export tcf_hash_search() instead of tcf_hash_lookup() (diff) | |
| download | linux-3e336261f88c3fb7a9789b1e3d0259eb0c8036fd.tar.xz linux-3e336261f88c3fb7a9789b1e3d0259eb0c8036fd.zip | |
sfc: Change efx_mcdi_reset_port to use ENTITY_RESET MC command.
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>
Diffstat (limited to 'drivers/net/ethernet/sfc/ef10.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/ef10.c | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 4dfc2296600d..174a92f5fe51 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -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, |