diff options
| author | Quentin Monnet <quentin.monnet@netronome.com> | 2018-10-07 12:56:51 +0100 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-10-08 10:24:13 +0200 |
| commit | e3b49dc69b320ba93059509ff2b31bde9242a7fa (patch) | |
| tree | 10af9ee33f9a5466bc1a5e791942e6ed50c93741 /drivers/net/ethernet/netronome/nfp/bpf/main.h | |
| parent | bcfdfb7c962d84ef07aa2b400ef1c9d70e1120e5 (diff) | |
nfp: bpf: account for BPF-to-BPF calls when preparing nfp JIT
Similarly to "exit" or "helper call" instructions, BPF-to-BPF calls will
require additional processing before translation starts, in order to
record and mark jump destinations.
We also mark the instructions where each subprogram begins. This will be
used in a following commit to determine where to add prologues for
subprograms.
Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jiong Wang <jiong.wang@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/bpf/main.h')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/bpf/main.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/main.h b/drivers/net/ethernet/netronome/nfp/bpf/main.h index 853a5346378c..20a98ce4b345 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/main.h +++ b/drivers/net/ethernet/netronome/nfp/bpf/main.h @@ -262,7 +262,8 @@ struct nfp_bpf_reg_state { bool var_off; }; -#define FLAG_INSN_IS_JUMP_DST BIT(0) +#define FLAG_INSN_IS_JUMP_DST BIT(0) +#define FLAG_INSN_IS_SUBPROG_START BIT(1) /** * struct nfp_insn_meta - BPF instruction wrapper |