Currently, the AF_XDP code uses a separate map in order to determine if an xsk is bound to a queue. Instead of doing this, have bpf_map_lookup_elem() return a xdp_sock. Rearrange some xdp_sock members to eliminate structure holes. Remove selftest - will be added back in later patch.
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| @@ -3083,6 +3083,10 @@ struct bpf_sock_tuple { · 3082 unmodified lines | |||
| 3083 | }; | 3083 | }; |
| 3084 | }; | 3084 | }; |
| 3085 | 3085 | ||
| 3086 | struct bpf_xdp_sock { | ||
| 3087 | __u32 queue_id; | ||
| 3088 | }; | ||
| 3089 | |||
| 3086 | #define XDP_PACKET_HEADROOM 256 | 3090 | #define XDP_PACKET_HEADROOM 256 |
| 3087 | 3091 | ||
| 3088 | /* User return codes for XDP prog type. | 3092 | /* User return codes for XDP prog type. |