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-rw-r--r--isisd/isis_bpf.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/isisd/isis_bpf.c b/isisd/isis_bpf.c
index e66ac98a..8c3602db 100644
--- a/isisd/isis_bpf.c
+++ b/isisd/isis_bpf.c
@@ -56,7 +56,7 @@ struct bpf_insn llcfilter[] = {
BPF_STMT (BPF_RET + BPF_K, (u_int) - 1),
BPF_STMT (BPF_RET + BPF_K, 0)
};
-int readblen = 0;
+u_int readblen = 0;
u_char *readbuff = NULL;
/*
@@ -77,8 +77,7 @@ open_bpf_dev (struct isis_circuit *circuit)
int i = 0, fd;
char bpfdev[128];
struct ifreq ifr;
- u_int16_t blen;
- int true = 1, false = 0;
+ u_int blen, immediate, seesent;
struct timeval timeout;
struct bpf_program bpf_prog;
@@ -123,7 +122,8 @@ open_bpf_dev (struct isis_circuit *circuit)
* Otherwise, a read will block until either the kernel
* buffer becomes full or a timeout occurs.
*/
- if (ioctl (fd, BIOCIMMEDIATE, (caddr_t) & true) < 0)
+ immediate = 1;
+ if (ioctl (fd, BIOCIMMEDIATE, (caddr_t) & immediate) < 0)
{
zlog_warn ("failed to set BPF dev to immediate mode");
}
@@ -132,7 +132,8 @@ open_bpf_dev (struct isis_circuit *circuit)
/*
* We want to see only incoming packets
*/
- if (ioctl (fd, BIOCSSEESENT, (caddr_t) & false) < 0)
+ seesent = 0;
+ if (ioctl (fd, BIOCSSEESENT, (caddr_t) & seesent) < 0)
{
zlog_warn ("failed to set BPF dev to incoming only mode");
}
@@ -141,7 +142,7 @@ open_bpf_dev (struct isis_circuit *circuit)
/*
* ...but all of them
*/
- if (ioctl (fd, BIOCPROMISC, (caddr_t) & true) < 0)
+ if (ioctl (fd, BIOCPROMISC) < 0)
{
zlog_warn ("failed to set BPF dev to promiscuous mode");
}