diff options
| author | Biju Das <biju.das.jz@bp.renesas.com> | 2021-10-12 19:36:01 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-10-13 19:08:55 +0300 |
| commit | 2e95e08ac009273184c259848851d495258448c2 (patch) | |
| tree | a84288fa2aff3d3afdcdfec4e6609593756cd8a7 /drivers/net/ethernet/renesas/ravb.h | |
| parent | 23144a915684b645529b0a51cbbfd5eae727ced7 (diff) | |
| download | linux-2e95e08ac009273184c259848851d495258448c2.tar.xz | |
ravb: Add rx_max_buf_size to struct ravb_hw_info
R-Car AVB-DMAC has maximum 2K size on RX buffer, whereas on RZ/G2L
it is 8K. We need to allow for changing the MTU within the limit
of the maximum size of a descriptor.
Add a rx_max_buf_size variable to struct ravb_hw_info to handle
this difference.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/renesas/ravb.h')
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h index 5dc1324786e0..b147c4a0dc0b 100644 --- a/drivers/net/ethernet/renesas/ravb.h +++ b/drivers/net/ethernet/renesas/ravb.h @@ -1010,6 +1010,7 @@ struct ravb_hw_info { int stats_len; size_t max_rx_len; u32 tsrq; + u32 rx_max_buf_size; unsigned aligned_tx: 1; /* hardware features */ |