From e41d21697326a38a0a871c515db88fa310177e24 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 8 Nov 2006 00:27:36 -0800 Subject: [PATCH] [BLUETOOTH] bnep endianness bug: filtering by packet type <= and => don't work well on net-endian... Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/bluetooth/bnep/core.c | 16 ++++++++-------- net/bluetooth/bnep/netdev.c | 11 ++++++----- 2 files changed, 14 insertions(+), 13 deletions(-) diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index 4d3424c2421c..4e822f08b87b 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -117,14 +117,14 @@ static int bnep_send_rsp(struct bnep_session *s, u8 ctrl, u16 resp) static inline void bnep_set_default_proto_filter(struct bnep_session *s) { /* (IPv4, ARP) */ - s->proto_filter[0].start = htons(0x0800); - s->proto_filter[0].end = htons(0x0806); + s->proto_filter[0].start = ETH_P_IP; + s->proto_filter[0].end = ETH_P_ARP; /* (RARP, AppleTalk) */ - s->proto_filter[1].start = htons(0x8035); - s->proto_filter[1].end = htons(0x80F3); + s->proto_filter[1].start = ETH_P_RARP; + s->proto_filter[1].end = ETH_P_AARP; /* (IPX, IPv6) */ - s->proto_filter[2].start = htons(0x8137); - s->proto_filter[2].end = htons(0x86DD); + s->proto_filter[2].start = ETH_P_IPX; + s->proto_filter[2].end = ETH_P_IPV6; } #endif @@ -150,8 +150,8 @@ static int bnep_ctrl_set_netfilter(struct bnep_session *s, u16 *data, int len) int i; for (i = 0; i < n; i++) { - f[i].start = get_unaligned(data++); - f[i].end = get_unaligned(data++); + f[i].start = ntohs(get_unaligned(data++)); + f[i].end = ntohs(get_unaligned(data++)); BT_DBG("proto filter start %d end %d", f[i].start, f[i].end); diff --git a/net/bluetooth/bnep/netdev.c b/net/bluetooth/bnep/netdev.c index 7f7b27db6a8f..67a002a9751a 100644 --- a/net/bluetooth/bnep/netdev.c +++ b/net/bluetooth/bnep/netdev.c @@ -158,14 +158,15 @@ static inline int bnep_net_mc_filter(struct sk_buff *skb, struct bnep_session *s static inline u16 bnep_net_eth_proto(struct sk_buff *skb) { struct ethhdr *eh = (void *) skb->data; + u16 proto = ntohs(eh->h_proto); - if (ntohs(eh->h_proto) >= 1536) - return eh->h_proto; + if (proto >= 1536) + return proto; - if (get_unaligned((u16 *) skb->data) == 0xFFFF) - return htons(ETH_P_802_3); + if (get_unaligned((__be16 *) skb->data) == htons(0xFFFF)) + return ETH_P_802_3; - return htons(ETH_P_802_2); + return ETH_P_802_2; } static inline int bnep_net_proto_filter(struct sk_buff *skb, struct bnep_session *s) -- 2.20.1