aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sparc/net/bpf_jit_comp.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc/net/bpf_jit_comp.c')
-rw-r--r--arch/sparc/net/bpf_jit_comp.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c
index 28368701ef79..3109ca684a99 100644
--- a/arch/sparc/net/bpf_jit_comp.c
+++ b/arch/sparc/net/bpf_jit_comp.c
@@ -3,6 +3,7 @@
3#include <linux/netdevice.h> 3#include <linux/netdevice.h>
4#include <linux/filter.h> 4#include <linux/filter.h>
5#include <linux/cache.h> 5#include <linux/cache.h>
6#include <linux/if_vlan.h>
6 7
7#include <asm/cacheflush.h> 8#include <asm/cacheflush.h>
8#include <asm/ptrace.h> 9#include <asm/ptrace.h>
@@ -312,6 +313,12 @@ do { *prog++ = BR_OPC | WDISP22(OFF); \
312#define emit_addi(R1, IMM, R3) \ 313#define emit_addi(R1, IMM, R3) \
313 *prog++ = (ADD | IMMED | RS1(R1) | S13(IMM) | RD(R3)) 314 *prog++ = (ADD | IMMED | RS1(R1) | S13(IMM) | RD(R3))
314 315
316#define emit_and(R1, R2, R3) \
317 *prog++ = (AND | RS1(R1) | RS2(R2) | RD(R3))
318
319#define emit_andi(R1, IMM, R3) \
320 *prog++ = (AND | IMMED | RS1(R1) | S13(IMM) | RD(R3))
321
315#define emit_alloc_stack(SZ) \ 322#define emit_alloc_stack(SZ) \
316 *prog++ = (SUB | IMMED | RS1(SP) | S13(SZ) | RD(SP)) 323 *prog++ = (SUB | IMMED | RS1(SP) | S13(SZ) | RD(SP))
317 324
@@ -415,6 +422,8 @@ void bpf_jit_compile(struct sk_filter *fp)
415 case BPF_S_ANC_IFINDEX: 422 case BPF_S_ANC_IFINDEX:
416 case BPF_S_ANC_MARK: 423 case BPF_S_ANC_MARK:
417 case BPF_S_ANC_RXHASH: 424 case BPF_S_ANC_RXHASH:
425 case BPF_S_ANC_VLAN_TAG:
426 case BPF_S_ANC_VLAN_TAG_PRESENT:
418 case BPF_S_ANC_CPU: 427 case BPF_S_ANC_CPU:
419 case BPF_S_ANC_QUEUE: 428 case BPF_S_ANC_QUEUE:
420 case BPF_S_LD_W_ABS: 429 case BPF_S_LD_W_ABS:
@@ -600,6 +609,16 @@ void bpf_jit_compile(struct sk_filter *fp)
600 case BPF_S_ANC_RXHASH: 609 case BPF_S_ANC_RXHASH:
601 emit_skb_load32(rxhash, r_A); 610 emit_skb_load32(rxhash, r_A);
602 break; 611 break;
612 case BPF_S_ANC_VLAN_TAG:
613 case BPF_S_ANC_VLAN_TAG_PRESENT:
614 emit_skb_load16(vlan_tci, r_A);
615 if (filter[i].code == BPF_S_ANC_VLAN_TAG) {
616 emit_andi(r_A, VLAN_VID_MASK, r_A);
617 } else {
618 emit_loadimm(VLAN_TAG_PRESENT, r_TMP);
619 emit_and(r_A, r_TMP, r_A);
620 }
621 break;
603 622
604 case BPF_S_LD_IMM: 623 case BPF_S_LD_IMM:
605 emit_loadimm(K, r_A); 624 emit_loadimm(K, r_A);