diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/siena.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/siena.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/net/ethernet/sfc/siena.c b/drivers/net/ethernet/sfc/siena.c index 65cb5e4f426..f05425842b3 100644 --- a/drivers/net/ethernet/sfc/siena.c +++ b/drivers/net/ethernet/sfc/siena.c @@ -35,8 +35,6 @@ static void siena_push_irq_moderation(struct efx_channel *channel) { efx_dword_t timer_cmd; - BUILD_BUG_ON(EFX_IRQ_MOD_MAX > (1 << FRF_CZ_TC_TIMER_VAL_WIDTH)); - if (channel->irq_moderation) EFX_POPULATE_DWORD_2(timer_cmd, FRF_CZ_TC_TIMER_MODE, @@ -216,7 +214,15 @@ static int siena_reset_hw(struct efx_nic *efx, enum reset_type method) static int siena_probe_nvconfig(struct efx_nic *efx) { - return efx_mcdi_get_board_cfg(efx, efx->net_dev->perm_addr, NULL, NULL); + u32 caps = 0; + int rc; + + rc = efx_mcdi_get_board_cfg(efx, efx->net_dev->perm_addr, NULL, &caps); + + efx->timer_quantum_ns = + (caps & (1 << MC_CMD_CAPABILITIES_TURBO_ACTIVE_LBN)) ? + 3072 : 6144; /* 768 cycles */ + return rc; } static int siena_probe_nic(struct efx_nic *efx) @@ -644,6 +650,7 @@ const struct efx_nic_type siena_a0_nic_type = { .phys_addr_channels = 32, /* Hardware limit is 64, but the legacy * interrupt handler only supports 32 * channels */ + .timer_period_max = 1 << FRF_CZ_TC_TIMER_VAL_WIDTH, .tx_dc_base = 0x88000, .rx_dc_base = 0x68000, .offload_features = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | |