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[3/4] bpf: Add MIPS support to samples/bpf.

Message ID 20170613234938.4823-4-david.daney@cavium.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

David Daney June 13, 2017, 11:49 p.m. UTC 
Signed-off-by: David Daney <david.daney@cavium.com>
---
 samples/bpf/bpf_helpers.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Comments

Daniel Borkmann June 14, 2017, 12:20 a.m. UTC | #1 
On 06/14/2017 01:49 AM, David Daney wrote:
> Signed-off-by: David Daney <david.daney@cavium.com>

Acked-by: Daniel Borkmann <daniel@iogearbox.net>
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Patch

diff --git a/samples/bpf/bpf_helpers.h b/samples/bpf/bpf_helpers.h
index 9a9c95f..76526da 100644
--- a/samples/bpf/bpf_helpers.h
+++ b/samples/bpf/bpf_helpers.h
@@ -135,6 +135,19 @@  static int (*bpf_skb_change_head)(void *, int len, int flags) =
 #define PT_REGS_SP(x) ((x)->sp)
 #define PT_REGS_IP(x) ((x)->pc)
 
+#elif defined(__mips__)
+
+#define PT_REGS_PARM1(x) ((x)->regs[4])
+#define PT_REGS_PARM2(x) ((x)->regs[5])
+#define PT_REGS_PARM3(x) ((x)->regs[6])
+#define PT_REGS_PARM4(x) ((x)->regs[7])
+#define PT_REGS_PARM5(x) ((x)->regs[8])
+#define PT_REGS_RET(x) ((x)->regs[31])
+#define PT_REGS_FP(x) ((x)->regs[30]) /* Works only with CONFIG_FRAME_POINTER */
+#define PT_REGS_RC(x) ((x)->regs[1])
+#define PT_REGS_SP(x) ((x)->regs[29])
+#define PT_REGS_IP(x) ((x)->cp0_epc)
+
 #elif defined(__powerpc__)
 
 #define PT_REGS_PARM1(x) ((x)->gpr[3])