mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 19:19:57 +07:00
6fd28865c2
Add some more sockmap tests to cover, - forwarding to NULL entries - more than two maps to test list ops - forwarding to different map Signed-off-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
39 lines
886 B
C
39 lines
886 B
C
#include <linux/bpf.h>
|
|
#include "bpf_helpers.h"
|
|
#include "bpf_util.h"
|
|
#include "bpf_endian.h"
|
|
|
|
int _version SEC("version") = 1;
|
|
|
|
#define bpf_printk(fmt, ...) \
|
|
({ \
|
|
char ____fmt[] = fmt; \
|
|
bpf_trace_printk(____fmt, sizeof(____fmt), \
|
|
##__VA_ARGS__); \
|
|
})
|
|
|
|
SEC("sk_skb1")
|
|
int bpf_prog1(struct __sk_buff *skb)
|
|
{
|
|
void *data_end = (void *)(long) skb->data_end;
|
|
void *data = (void *)(long) skb->data;
|
|
__u32 lport = skb->local_port;
|
|
__u32 rport = skb->remote_port;
|
|
__u8 *d = data;
|
|
|
|
if (data + 10 > data_end)
|
|
return skb->len;
|
|
|
|
/* This write/read is a bit pointless but tests the verifier and
|
|
* strparser handler for read/write pkt data and access into sk
|
|
* fields.
|
|
*/
|
|
d[7] = 1;
|
|
|
|
bpf_printk("parse: data[0] = (%u): local_port %i remote %i\n",
|
|
d[0], lport, bpf_ntohl(rport));
|
|
return skb->len;
|
|
}
|
|
|
|
char _license[] SEC("license") = "GPL";
|