diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-02-24 00:11:07 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-02-24 00:11:07 +0100 |
| commit | 8b5177c4e88699442b8de493bff5273f235caa9b (patch) | |
| tree | b8fbc96a7f6dc080587574d8a1383fa284f47cfd /pfinet | |
| parent | c48e6ec36da97d514488f88fa4b9c268fd0d6284 (diff) | |
Enable IPv6 packets between netdde and pfinet
* pfinet/ethernet.c (bpf_ether_filter): Make rules more readable. Add rule
to enable IPv6 frames.
Diffstat (limited to 'pfinet')
| -rw-r--r-- | pfinet/ethernet.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/pfinet/ethernet.c b/pfinet/ethernet.c index 447d5b06..dfc2c114 100644 --- a/pfinet/ethernet.c +++ b/pfinet/ethernet.c @@ -83,15 +83,15 @@ static short ether_filter[] = }; static int ether_filter_len = sizeof (ether_filter) / sizeof (short); -/* The BPF instruction allows IP and ARP packets */ static struct bpf_insn bpf_ether_filter[] = { - {NETF_IN|NETF_BPF, /* Header. */ 0, 0, 0}, - {40, 0, 0, 12}, - {21, 1, 0, 2054}, - {21, 0, 1, 2048}, - {6, 0, 0, 1500}, - {6, 0, 0, 0}, + {NETF_IN|NETF_BPF, 0, 0, 0}, /* Header. */ + {BPF_LD|BPF_H|BPF_ABS, 0, 0, 12}, /* Load Ethernet type */ + {BPF_JMP|BPF_JEQ|BPF_K, 2, 0, 0x0806}, /* Accept ARP */ + {BPF_JMP|BPF_JEQ|BPF_K, 1, 0, 0x0800}, /* Accept IPv4 */ + {BPF_JMP|BPF_JEQ|BPF_K, 0, 1, 0x86DD}, /* Accept IPv6 */ + {BPF_RET|BPF_K, 0, 0, 1500}, /* And return 1500 bytes */ + {BPF_RET|BPF_K, 0, 0, 0}, /* Or discard it all */ }; static int bpf_ether_filter_len = sizeof (bpf_ether_filter) / sizeof (short); |