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include/bpf: extend __bpf_memcpy() by another 8 bytes

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Seems we need to copy a few more bytes at once for the DHCP relay daemon,
so let's extend __bpf_memcpy to handle copies of up to 288 bytes.

Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
This commit is contained in:
Toke Høiland-Jørgensen
2021-06-15 00:11:39 +02:00
parent 5561e4c475
commit 942f028cce
1 changed files with 5 additions and 1 deletions
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6
include/bpf/builtins.h
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@@ -161,7 +161,8 @@ static __always_inline void __bpf_memcpy(void *d, const void *s, __u64 len)
s += len;
switch (len) {
case 280: __it_mob(d, s, 64);
case 288: __it_mob(d, s, 64);
case 280: jmp_280: __it_mob(d, s, 64);
case 272: jmp_272: __it_mob(d, s, 64);
case 264: jmp_264: __it_mob(d, s, 64);
case 256: jmp_256: __it_mob(d, s, 64);
@@ -198,6 +199,7 @@ static __always_inline void __bpf_memcpy(void *d, const void *s, __u64 len)
case 8: jmp_8: __it_mob(d, s, 64);
break;
case 286: __it_mob(d, s, 16); __it_mob(d, s, 32); goto jmp_280;
case 278: __it_mob(d, s, 16); __it_mob(d, s, 32); goto jmp_272;
case 270: __it_mob(d, s, 16); __it_mob(d, s, 32); goto jmp_264;
case 262: __it_mob(d, s, 16); __it_mob(d, s, 32); goto jmp_256;
@@ -235,6 +237,7 @@ static __always_inline void __bpf_memcpy(void *d, const void *s, __u64 len)
case 6: __it_mob(d, s, 16); __it_mob(d, s, 32);
break;
case 284: __it_mob(d, s, 32); goto jmp_280;
case 276: __it_mob(d, s, 32); goto jmp_272;
case 268: __it_mob(d, s, 32); goto jmp_264;
case 260: __it_mob(d, s, 32); goto jmp_256;
@@ -272,6 +275,7 @@ static __always_inline void __bpf_memcpy(void *d, const void *s, __u64 len)
case 4: __it_mob(d, s, 32);
break;
case 282: __it_mob(d, s, 16); goto jmp_280;
case 274: __it_mob(d, s, 16); goto jmp_272;
case 266: __it_mob(d, s, 16); goto jmp_264;
case 258: __it_mob(d, s, 16); goto jmp_256;