diff options
| author |   Edward Cree <ecree@solarflare.com> | 2017-01-13 21:20:29 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-01-16 14:00:46 -0500 |
| commit | c634700f7eec3c0da46e299cd0a0ae8b594f9b55 (patch) | |
| tree | 626daecfa450bfadaa774807c78fcc0d74cd1077 /drivers/net/ethernet/sfc/nic.h | |
| parent | sfc: allow PIO more often (diff) | |
| download | linux-dev-c634700f7eec3c0da46e299cd0a0ae8b594f9b55.tar.xz linux-dev-c634700f7eec3c0da46e299cd0a0ae8b594f9b55.zip | |
sfc: get PIO buffer size from the NIC
The 8000 series SFC NICs have 4K PIO buffers, rather than the 2K of
the 7000 series. Rather than having a hard-coded PIO buffer size
(ER_DZ_TX_PIOBUF_SIZE), read it from the GET_CAPABILITIES_V2 MCDI
response.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/nic.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/nic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h index 6a69aa3b0129..383ff6e1e647 100644 --- a/drivers/net/ethernet/sfc/nic.h +++ b/drivers/net/ethernet/sfc/nic.h @@ -343,6 +343,7 @@ enum { * @pio_write_base: Base address for writing PIO buffers * @pio_write_vi_base: Relative VI number for @pio_write_base * @piobuf_handle: Handle of each PIO buffer allocated + * @piobuf_size: size of a single PIO buffer * @must_restore_piobufs: Flag: PIO buffers have yet to be restored after MC * reboot * @rx_rss_context: Firmware handle for our RSS context @@ -380,6 +381,7 @@ struct efx_ef10_nic_data { void __iomem *wc_membase, *pio_write_base; unsigned int pio_write_vi_base; unsigned int piobuf_handle[EF10_TX_PIOBUF_COUNT]; + u16 piobuf_size; bool must_restore_piobufs; u32 rx_rss_context; bool rx_rss_context_exclusive; |