diff options
| author |   Ben Hutchings <bhutchings@solarflare.com> | 2013-01-23 21:52:13 +0000 |
|---|---|---|
| committer | Ben Hutchings <bhutchings@solarflare.com> | 2013-03-07 20:22:05 +0000 |
| commit | 80c2e716d555912168f93853f96a24d0de75897b (patch) | |
| tree | 2ab414b1286f8112613abac26b49f4d4283a8952 /drivers/net/ethernet/sfc | |
| parent | sfc: Add AER and EEH support for Siena (diff) | |
| download | linux-dev-80c2e716d555912168f93853f96a24d0de75897b.tar.xz linux-dev-80c2e716d555912168f93853f96a24d0de75897b.zip | |
sfc: Document current usage of efx_rx_buffer::len and efx_nic::rx_buffer_len
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to 'drivers/net/ethernet/sfc')
| -rw-r--r-- | drivers/net/ethernet/sfc/net_driver.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 9e900817d2ab..f74411fc000c 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -209,7 +209,8 @@ struct efx_tx_queue { * @page: The associated page buffer. * Will be %NULL if the buffer slot is currently free. * @page_offset: Offset within page - * @len: Buffer length, in bytes. + * @len: If pending: length for DMA descriptor. + * If completed: received length, excluding hash prefix. * @flags: Flags for buffer and packet state. */ struct efx_rx_buffer { @@ -668,7 +669,8 @@ struct vfdi_status; * @n_channels: Number of channels in use * @n_rx_channels: Number of channels used for RX (= number of RX queues) * @n_tx_channels: Number of channels used for TX - * @rx_buffer_len: RX buffer length + * @rx_buffer_len: RX buffer length, including start alignment but excluding + * any metadata * @rx_buffer_order: Order (log2) of number of pages for each RX buffer * @rx_hash_key: Toeplitz hash key for RSS * @rx_indir_table: Indirection table for RSS |