As it has been already done for devmap, introduce 'struct bpf_cpumap_val' to formalize the expected values that can be passed in for a CPUMAP. Update cpumap code to use the struct.
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| @@ -3849,6 +3849,15 @@ struct bpf_devmap_val { · 3848 unmodified lines | ||
| 3849 | 3849 | } bpf_prog; |
| 3850 | 3850 | }; |
| 3851 | 3851 | |
| 3852 | +/* CPUMAP map-value layout | |
| 3853 | + * | |
| 3854 | + * The struct data-layout of map-value is a configuration interface. | |
| 3855 | + * New members can only be added to the end of this structure. | |
| 3856 | + */ | |
| 3857 | +struct bpf_cpumap_val { | |
| 3858 | + __u32 qsize; /* queue size to remote target CPU */ | |
| 3859 | +}; | |
| 3860 | + | |
| 3852 | 3861 | enum sk_action { |
| 3853 | 3862 | SK_DROP = 0, |
| 3854 | 3863 | SK_PASS, |