diff options
| author |   Jakub Kicinski <jakub.kicinski@netronome.com> | 2018-05-25 21:53:27 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-05-29 09:49:15 -0400 |
| commit | 055ee0d69887af1d511246d745610bdf9d627e75 (patch) | |
| tree | 3c65bb6efab5c4b57d00828141507db1020f9c8b /drivers/net/ethernet/netronome/nfp/nfp_abi.h | |
| parent | nfp: prefix vNIC phys_port_name with 'n' (diff) | |
| download | linux-dev-055ee0d69887af1d511246d745610bdf9d627e75.tar.xz linux-dev-055ee0d69887af1d511246d745610bdf9d627e75.zip | |
nfp: abm: enable advanced queuing on demand
ABM NIC FW has a cut-through mode where the PCIe queuing
is bypassed, thus working like our standard NIC FWs. Use this
mode by default and only enable queuing in switchdev mode where
users can configure it.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_abi.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_abi.h b/drivers/net/ethernet/netronome/nfp/nfp_abi.h index 7ffa6e6a9d1c..8b56c27931bf 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_abi.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_abi.h @@ -59,12 +59,26 @@ * @NFP_MBOX_POOL_SET: set shared buffer pool info/config * Input - struct nfp_shared_buf_pool_info_set * Output - None + * + * @NFP_MBOX_PCIE_ABM_ENABLE: enable PCIe-side advanced buffer management + * Enable advanced buffer management of the PCIe block. If ABM is disabled + * PCIe block maintains a very short queue of buffers and does tail drop. + * ABM allows more advanced buffering and priority control. + * Input - None + * Output - None + * + * @NFP_MBOX_PCIE_ABM_DISABLE: disable PCIe-side advanced buffer management + * Input - None + * Output - None */ enum nfp_mbox_cmd { NFP_MBOX_NO_CMD = 0x00, NFP_MBOX_POOL_GET = 0x01, NFP_MBOX_POOL_SET = 0x02, + + NFP_MBOX_PCIE_ABM_ENABLE = 0x03, + NFP_MBOX_PCIE_ABM_DISABLE = 0x04, }; #define NFP_SHARED_BUF_COUNT_SYM_NAME "_abi_nfd_pf%u_sb_cnt" |