From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/tools/bpf/bpf_exp.y | 14 ++++++++++++--
1 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/kernel/tools/bpf/bpf_exp.y b/kernel/tools/bpf/bpf_exp.y
index 56ba1de..8d48e89 100644
--- a/kernel/tools/bpf/bpf_exp.y
+++ b/kernel/tools/bpf/bpf_exp.y
@@ -545,6 +545,16 @@
}
}
+static uint8_t bpf_encode_jt_jf_offset(int off, int i)
+{
+ int delta = off - i - 1;
+
+ if (delta < 0 || delta > 255)
+ fprintf(stderr, "warning: insn #%d jumps to insn #%d, "
+ "which is out of range\n", i, off);
+ return (uint8_t) delta;
+}
+
static void bpf_reduce_jt_jumps(void)
{
int i;
@@ -552,7 +562,7 @@
for (i = 0; i < curr_instr; i++) {
if (labels_jt[i]) {
int off = bpf_find_insns_offset(labels_jt[i]);
- out[i].jt = (uint8_t) (off - i -1);
+ out[i].jt = bpf_encode_jt_jf_offset(off, i);
}
}
}
@@ -564,7 +574,7 @@
for (i = 0; i < curr_instr; i++) {
if (labels_jf[i]) {
int off = bpf_find_insns_offset(labels_jf[i]);
- out[i].jf = (uint8_t) (off - i - 1);
+ out[i].jf = bpf_encode_jt_jf_offset(off, i);
}
}
}
--
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