diff options
| author |   Jakub Kicinski <jakub.kicinski@netronome.com> | 2017-03-10 10:38:36 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-03-12 23:43:19 -0700 |
| commit | 97717aca618a85d9e52327b4509a3b95c2f8f121 (patch) | |
| tree | 739bb23f5e9701331d9a401741ddca667b5969c9 /drivers/net/ethernet/netronome/nfp/nfp_net.h | |
| parent | nfp: store dma direction in data path structure (diff) | |
| download | linux-dev-97717aca618a85d9e52327b4509a3b95c2f8f121.tar.xz linux-dev-97717aca618a85d9e52327b4509a3b95c2f8f121.zip | |
nfp: validate rx offset from the BAR and size down it's field
NFP_NET_CFG_RX_OFFSET is 32bit wide, make sure what we read from
there is reasonable for packet headroom. This allows us to store
the rx_offset in a 8bit variable.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net.h')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h index db92463da440..5f0547c6efb8 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h @@ -439,9 +439,9 @@ struct nfp_stat_pair { * @bpf_offload_xdp: Offloaded BPF program is XDP * @chained_metadata_format: Firemware will use new metadata format * @rx_dma_dir: Mapping direction for RX buffers + * @rx_offset: Offset in the RX buffers where packet data starts * @ctrl: Local copy of the control register/word. * @fl_bufsz: Currently configured size of the freelist buffers - * @rx_offset: Offset in the RX buffers where packet data starts * @xdp_prog: Installed XDP program * @tx_rings: Array of pre-allocated TX ring structures * @rx_rings: Array of pre-allocated RX ring structures @@ -466,11 +466,11 @@ struct nfp_net_dp { u8 rx_dma_dir; + u8 rx_offset; + u32 ctrl; u32 fl_bufsz; - u32 rx_offset; - struct bpf_prog *xdp_prog; struct nfp_net_tx_ring *tx_rings; |