From 81cefb81db99402b5bbbf286beac2faa4f095620 Mon Sep 17 00:00:00 2001 From: Iyappan Subramanian Date: Tue, 28 Apr 2015 13:52:37 -0700 Subject: drivers: net: xgene: Change ring manager to use function pointers This is a preparatory patch for adding ethernet support for APM X-Gene ethernet driver to work with ring manager v2. Added xgene_ring_ops structure for storing chip specific ring manager properties and functions. Signed-off-by: Iyappan Subramanian Signed-off-by: David S. Miller --- drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/net/ethernet/apm/xgene/xgene_enet_main.h') diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h index 8f3d232b09bc..577c63c55b54 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h @@ -105,6 +105,15 @@ struct xgene_port_ops { void (*shutdown)(struct xgene_enet_pdata *pdata); }; +struct xgene_ring_ops { + u8 num_ring_config; + u8 num_ring_id_shift; + struct xgene_enet_desc_ring * (*setup)(struct xgene_enet_desc_ring *); + void (*clear)(struct xgene_enet_desc_ring *); + void (*wr_cmd)(struct xgene_enet_desc_ring *, int); + u32 (*len)(struct xgene_enet_desc_ring *); +}; + /* ethernet private data */ struct xgene_enet_pdata { struct net_device *ndev; @@ -136,6 +145,7 @@ struct xgene_enet_pdata { struct rtnl_link_stats64 stats; struct xgene_mac_ops *mac_ops; struct xgene_port_ops *port_ops; + struct xgene_ring_ops *ring_ops; struct delayed_work link_work; u32 port_id; u8 cpu_bufnum; -- cgit v1.2.3-59-g8ed1b