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| author |   Iyappan Subramanian <isubramanian@apm.com> | 2016-12-01 16:41:37 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-12-03 15:46:50 -0500 |
| commit | 2c839337520b22225dfccf6546814c18d9108b4d (patch) | |
| tree | 92bcbc56b356f33dd903de203161376e123a8c66 /drivers/net/ethernet/apm/xgene/xgene_enet_hw.h | |
| parent | net: ethernet: ti: davinci_cpdma: add missing EXPORTs (diff) | |
| download | linux-dev-2c839337520b22225dfccf6546814c18d9108b4d.tar.xz linux-dev-2c839337520b22225dfccf6546814c18d9108b4d.zip | |
drivers: net: xgene: Add helper function
This is a prepartion patch and adds xgene_enet_get_fpsel() helper
function to get buffer pool number.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_hw.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h index 06e598c8bc16..e73cbb18cad1 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h @@ -346,6 +346,14 @@ static inline bool xgene_enet_is_bufpool(u16 id) return ((id & RING_BUFNUM_MASK) >= 0x20) ? true : false; } +static inline u8 xgene_enet_get_fpsel(u16 id) +{ + if (xgene_enet_is_bufpool(id)) + return xgene_enet_ring_bufnum(id) - RING_BUFNUM_BUFPOOL; + + return 0; +} + static inline u16 xgene_enet_get_numslots(u16 id, u32 size) { bool is_bufpool = xgene_enet_is_bufpool(id); |