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bpf: introduce BPF_F_XDP_HAS_FRAGS flag in prog_flags loading the ebpf program

Introduce BPF_F_XDP_HAS_FRAGS and the related field in bpf_prog_aux in order to notify the driver the loaded program support xdp frags.

Lorenzo Bianconi committed 4 years ago

Commit c2f2cdb1 parent c41ced04 files · +14 −1Browse files

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tools/include/uapi/linux/bpf.h+5−0
@@ -1113,6 +1113,11 @@ enum bpf_link_type { · 1112 unmodified lines
1113 */1113 */
1114#define BPF_F_SLEEPABLE (1U << 4)1114#define BPF_F_SLEEPABLE (1U << 4)
1115 1115
1116/* If BPF_F_XDP_HAS_FRAGS is used in BPF_PROG_LOAD command, the loaded program
1117 * fully support xdp frags.
1118 */
1119#define BPF_F_XDP_HAS_FRAGS (1U << 5)
1120
1116/* When BPF ldimm64's insn[0].src_reg != 0 then this can have1121/* When BPF ldimm64's insn[0].src_reg != 0 then this can have
1117 * the following extensions:1122 * the following extensions:
1118 *1123 *