Instead of having an app callback per message type hand off all offload-related handling to apps with one "rest of ndo_bpf" callback.
Signed-off-by: Jakub Kicinski <jakub.kicin...@netronome.com> Reviewed-by: Quentin Monnet <quentin.mon...@netronome.com> --- drivers/net/ethernet/netronome/nfp/bpf/main.c | 5 +-- drivers/net/ethernet/netronome/nfp/bpf/main.h | 8 +--- drivers/net/ethernet/netronome/nfp/bpf/offload.c | 25 +++++++++--- drivers/net/ethernet/netronome/nfp/nfp_app.h | 47 +++++----------------- .../net/ethernet/netronome/nfp/nfp_net_common.c | 10 +---- 5 files changed, 34 insertions(+), 61 deletions(-) diff --git a/drivers/net/ethernet/netronome/nfp/bpf/main.c b/drivers/net/ethernet/netronome/nfp/bpf/main.c index 9ed76ccdd3c1..e8cfe300c8c4 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/main.c +++ b/drivers/net/ethernet/netronome/nfp/bpf/main.c @@ -345,9 +345,6 @@ const struct nfp_app_type app_bpf = { .setup_tc = nfp_bpf_setup_tc, .tc_busy = nfp_bpf_tc_busy, + .bpf = nfp_ndo_bpf, .xdp_offload = nfp_bpf_xdp_offload, - - .bpf_verifier_prep = nfp_bpf_verifier_prep, - .bpf_translate = nfp_bpf_translate, - .bpf_destroy = nfp_bpf_destroy, }; diff --git a/drivers/net/ethernet/netronome/nfp/bpf/main.h b/drivers/net/ethernet/netronome/nfp/bpf/main.h index 8d02c39b9b10..66381afee2a9 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/main.h +++ b/drivers/net/ethernet/netronome/nfp/bpf/main.h @@ -256,15 +256,11 @@ struct netdev_bpf; struct nfp_app; struct nfp_net; +int nfp_ndo_bpf(struct nfp_app *app, struct nfp_net *nn, + struct netdev_bpf *bpf); int nfp_net_bpf_offload(struct nfp_net *nn, struct bpf_prog *prog, bool old_prog); -int nfp_bpf_verifier_prep(struct nfp_app *app, struct nfp_net *nn, - struct netdev_bpf *bpf); -int nfp_bpf_translate(struct nfp_app *app, struct nfp_net *nn, - struct bpf_prog *prog); -int nfp_bpf_destroy(struct nfp_app *app, struct nfp_net *nn, - struct bpf_prog *prog); struct nfp_insn_meta * nfp_bpf_goto_meta(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta, unsigned int insn_idx, unsigned int n_insns); diff --git a/drivers/net/ethernet/netronome/nfp/bpf/offload.c b/drivers/net/ethernet/netronome/nfp/bpf/offload.c index f63560550753..320b2250d29a 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/offload.c +++ b/drivers/net/ethernet/netronome/nfp/bpf/offload.c @@ -87,8 +87,9 @@ static void nfp_prog_free(struct nfp_prog *nfp_prog) kfree(nfp_prog); } -int nfp_bpf_verifier_prep(struct nfp_app *app, struct nfp_net *nn, - struct netdev_bpf *bpf) +static int +nfp_bpf_verifier_prep(struct nfp_app *app, struct nfp_net *nn, + struct netdev_bpf *bpf) { struct bpf_prog *prog = bpf->verifier.prog; struct nfp_prog *nfp_prog; @@ -118,8 +119,7 @@ int nfp_bpf_verifier_prep(struct nfp_app *app, struct nfp_net *nn, return ret; } -int nfp_bpf_translate(struct nfp_app *app, struct nfp_net *nn, - struct bpf_prog *prog) +static int nfp_bpf_translate(struct nfp_net *nn, struct bpf_prog *prog) { struct nfp_prog *nfp_prog = prog->aux->offload->dev_priv; unsigned int stack_size; @@ -143,8 +143,7 @@ int nfp_bpf_translate(struct nfp_app *app, struct nfp_net *nn, return nfp_bpf_jit(nfp_prog); } -int nfp_bpf_destroy(struct nfp_app *app, struct nfp_net *nn, - struct bpf_prog *prog) +static int nfp_bpf_destroy(struct nfp_net *nn, struct bpf_prog *prog) { struct nfp_prog *nfp_prog = prog->aux->offload->dev_priv; @@ -154,6 +153,20 @@ int nfp_bpf_destroy(struct nfp_app *app, struct nfp_net *nn, return 0; } +int nfp_ndo_bpf(struct nfp_app *app, struct nfp_net *nn, struct netdev_bpf *bpf) +{ + switch (bpf->command) { + case BPF_OFFLOAD_VERIFIER_PREP: + return nfp_bpf_verifier_prep(app, nn, bpf); + case BPF_OFFLOAD_TRANSLATE: + return nfp_bpf_translate(nn, bpf->offload.prog); + case BPF_OFFLOAD_DESTROY: + return nfp_bpf_destroy(nn, bpf->offload.prog); + default: + return -EINVAL; + } +} + static int nfp_net_bpf_load(struct nfp_net *nn, struct bpf_prog *prog) { struct nfp_prog *nfp_prog = prog->aux->offload->dev_priv; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_app.h b/drivers/net/ethernet/netronome/nfp/nfp_app.h index e6b59c28c4ca..32ff46a00f70 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_app.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_app.h @@ -89,10 +89,8 @@ extern const struct nfp_app_type app_flower; * @ctrl_msg_rx: control message handler * @setup_tc: setup TC ndo * @tc_busy: TC HW offload busy (rules loaded) + * @bpf: BPF ndo offload-related calls * @xdp_offload: offload an XDP program - * @bpf_verifier_prep: verifier prep for dev-specific BPF programs - * @bpf_translate: translate call for dev-specific BPF programs - * @bpf_destroy: destroy for dev-specific BPF programs * @eswitch_mode_get: get SR-IOV eswitch mode * @sriov_enable: app-specific sriov initialisation * @sriov_disable: app-specific sriov clean-up @@ -133,14 +131,10 @@ struct nfp_app_type { int (*setup_tc)(struct nfp_app *app, struct net_device *netdev, enum tc_setup_type type, void *type_data); bool (*tc_busy)(struct nfp_app *app, struct nfp_net *nn); + int (*bpf)(struct nfp_app *app, struct nfp_net *nn, + struct netdev_bpf *xdp); int (*xdp_offload)(struct nfp_app *app, struct nfp_net *nn, struct bpf_prog *prog); - int (*bpf_verifier_prep)(struct nfp_app *app, struct nfp_net *nn, - struct netdev_bpf *bpf); - int (*bpf_translate)(struct nfp_app *app, struct nfp_net *nn, - struct bpf_prog *prog); - int (*bpf_destroy)(struct nfp_app *app, struct nfp_net *nn, - struct bpf_prog *prog); int (*sriov_enable)(struct nfp_app *app, int num_vfs); void (*sriov_disable)(struct nfp_app *app); @@ -316,6 +310,14 @@ static inline int nfp_app_setup_tc(struct nfp_app *app, return app->type->setup_tc(app, netdev, type, type_data); } +static inline int nfp_app_bpf(struct nfp_app *app, struct nfp_net *nn, + struct netdev_bpf *bpf) +{ + if (!app || !app->type->bpf) + return -EINVAL; + return app->type->bpf(app, nn, bpf); +} + static inline int nfp_app_xdp_offload(struct nfp_app *app, struct nfp_net *nn, struct bpf_prog *prog) { @@ -324,33 +326,6 @@ static inline int nfp_app_xdp_offload(struct nfp_app *app, struct nfp_net *nn, return app->type->xdp_offload(app, nn, prog); } -static inline int -nfp_app_bpf_verifier_prep(struct nfp_app *app, struct nfp_net *nn, - struct netdev_bpf *bpf) -{ - if (!app || !app->type->bpf_verifier_prep) - return -EOPNOTSUPP; - return app->type->bpf_verifier_prep(app, nn, bpf); -} - -static inline int -nfp_app_bpf_translate(struct nfp_app *app, struct nfp_net *nn, - struct bpf_prog *prog) -{ - if (!app || !app->type->bpf_translate) - return -EOPNOTSUPP; - return app->type->bpf_translate(app, nn, prog); -} - -static inline int -nfp_app_bpf_destroy(struct nfp_app *app, struct nfp_net *nn, - struct bpf_prog *prog) -{ - if (!app || !app->type->bpf_destroy) - return -EOPNOTSUPP; - return app->type->bpf_destroy(app, nn, prog); -} - static inline bool nfp_app_ctrl_tx(struct nfp_app *app, struct sk_buff *skb) { trace_devlink_hwmsg(priv_to_devlink(app->pf), false, 0, diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 33cbb9b35e68..caee147fce04 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -3414,16 +3414,8 @@ static int nfp_net_xdp(struct net_device *netdev, struct netdev_bpf *xdp) xdp->prog_id = nn->xdp_prog ? nn->xdp_prog->aux->id : 0; xdp->prog_flags = nn->xdp_prog ? nn->xdp_flags : 0; return 0; - case BPF_OFFLOAD_VERIFIER_PREP: - return nfp_app_bpf_verifier_prep(nn->app, nn, xdp); - case BPF_OFFLOAD_TRANSLATE: - return nfp_app_bpf_translate(nn->app, nn, - xdp->offload.prog); - case BPF_OFFLOAD_DESTROY: - return nfp_app_bpf_destroy(nn->app, nn, - xdp->offload.prog); default: - return -EINVAL; + return nfp_app_bpf(nn->app, nn, xdp); } } -- 2.15.1