diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2012-02-15 05:58:49 +0400 |
|---|---|---|
| committer | Ben Hutchings <bhutchings@solarflare.com> | 2012-02-16 04:25:12 +0400 |
| commit | 28e47c498a931200125e299e9d60d22e27b4ab0d (patch) | |
| tree | 871e75c4db7e670c2ceaed7b5fd69b9ef9a5f4c4 /drivers/net/ethernet/sfc/falcon.c | |
| parent | a9a52506277275b73955504bf4df745502a28b8b (diff) | |
| download | linux-28e47c498a931200125e299e9d60d22e27b4ab0d.tar.xz | |
sfc: Allocate SRAM between buffer table and descriptor caches at init time
Each port has a block of 64-bit SRAM that is divided between buffer
table and descriptor cache regions at initialisation time. Currently
we use a fixed allocation, but it needs to be changed to support
larger numbers of queues.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to 'drivers/net/ethernet/sfc/falcon.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/falcon.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/ethernet/sfc/falcon.c b/drivers/net/ethernet/sfc/falcon.c index 98285115df10..3a1ca2bd1548 100644 --- a/drivers/net/ethernet/sfc/falcon.c +++ b/drivers/net/ethernet/sfc/falcon.c @@ -1333,6 +1333,12 @@ out: return rc; } +static void falcon_dimension_resources(struct efx_nic *efx) +{ + efx->rx_dc_base = 0x20000; + efx->tx_dc_base = 0x26000; +} + /* Probe all SPI devices on the NIC */ static void falcon_probe_spi_devices(struct efx_nic *efx) { @@ -1749,6 +1755,7 @@ const struct efx_nic_type falcon_a1_nic_type = { .probe = falcon_probe_nic, .remove = falcon_remove_nic, .init = falcon_init_nic, + .dimension_resources = falcon_dimension_resources, .fini = efx_port_dummy_op_void, .monitor = falcon_monitor, .map_reset_reason = falcon_map_reset_reason, @@ -1783,8 +1790,6 @@ const struct efx_nic_type falcon_a1_nic_type = { .max_interrupt_mode = EFX_INT_MODE_MSI, .phys_addr_channels = 4, .timer_period_max = 1 << FRF_AB_TC_TIMER_VAL_WIDTH, - .tx_dc_base = 0x130000, - .rx_dc_base = 0x100000, .offload_features = NETIF_F_IP_CSUM, }; @@ -1792,6 +1797,7 @@ const struct efx_nic_type falcon_b0_nic_type = { .probe = falcon_probe_nic, .remove = falcon_remove_nic, .init = falcon_init_nic, + .dimension_resources = falcon_dimension_resources, .fini = efx_port_dummy_op_void, .monitor = falcon_monitor, .map_reset_reason = falcon_map_reset_reason, @@ -1835,8 +1841,6 @@ const struct efx_nic_type falcon_b0_nic_type = { * interrupt handler only supports 32 * channels */ .timer_period_max = 1 << FRF_AB_TC_TIMER_VAL_WIDTH, - .tx_dc_base = 0x130000, - .rx_dc_base = 0x100000, .offload_features = NETIF_F_IP_CSUM | NETIF_F_RXHASH | NETIF_F_NTUPLE, }; |