From 5de73ee46704c22097e46bfc276a05360d3a1ba7 Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Fri, 23 Jun 2017 22:12:02 +0200 Subject: nfp: general representor implementation Provide infrastructure to create and destroy representors of a given type. Parts based on work by Bert van Leeuwen, Benjamin LaHaise, and Jakub Kicinski. Signed-off-by: Simon Horman Reviewed-by: Jakub Kicinski Signed-off-by: David S. Miller --- drivers/net/ethernet/netronome/nfp/nfp_app.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'drivers/net/ethernet/netronome/nfp/nfp_app.h') diff --git a/drivers/net/ethernet/netronome/nfp/nfp_app.h b/drivers/net/ethernet/netronome/nfp/nfp_app.h index 0fee14ffa081..af023a0491e7 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_app.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_app.h @@ -36,6 +36,8 @@ #include +#include "nfp_net_repr.h" + struct bpf_prog; struct net_device; struct pci_dev; @@ -73,6 +75,7 @@ extern const struct nfp_app_type app_bpf; * @tc_busy: TC HW offload busy (rules loaded) * @xdp_offload: offload an XDP program * @eswitch_mode_get: get SR-IOV eswitch mode + * @repr_get: get representor netdev */ struct nfp_app_type { enum nfp_app_id id; @@ -100,6 +103,7 @@ struct nfp_app_type { struct bpf_prog *prog); enum devlink_eswitch_mode (*eswitch_mode_get)(struct nfp_app *app); + struct net_device *(*repr_get)(struct nfp_app *app, u32 id); }; /** @@ -108,6 +112,7 @@ struct nfp_app_type { * @pf: backpointer to NFP PF structure * @cpp: pointer to the CPP handle * @ctrl: pointer to ctrl vNIC struct + * @reprs: array of pointers to representors * @type: pointer to const application ops and info */ struct nfp_app { @@ -116,6 +121,7 @@ struct nfp_app { struct nfp_cpp *cpp; struct nfp_net *ctrl; + struct nfp_reprs __rcu *reprs[NFP_REPR_TYPE_MAX + 1]; const struct nfp_app_type *type; }; @@ -231,6 +237,18 @@ static inline int nfp_app_eswitch_mode_get(struct nfp_app *app, u16 *mode) return 0; } +static inline struct net_device *nfp_app_repr_get(struct nfp_app *app, u32 id) +{ + if (unlikely(!app || !app->type->repr_get)) + return NULL; + + return app->type->repr_get(app, id); +} + +struct nfp_reprs * +nfp_app_reprs_set(struct nfp_app *app, enum nfp_repr_type type, + struct nfp_reprs *reprs); + const char *nfp_app_mip_name(struct nfp_app *app); struct sk_buff *nfp_app_ctrl_msg_alloc(struct nfp_app *app, unsigned int size); -- cgit