From 0f37c6057414fb68024793966b1dcb6a135cb844 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Fri, 3 Nov 2006 03:49:56 -0800 Subject: [PATCH] [PKTGEN]: TCI endianness fixes open-coded variant there works only for little-endian Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/core/pktgen.c | 30 ++++++++++++++++++------------ 1 file changed, 18 insertions(+), 12 deletions(-) diff --git a/net/core/pktgen.c b/net/core/pktgen.c index dd023fd28304..733d86d0a4fb 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2304,6 +2304,12 @@ static void mpls_push(__be32 *mpls, struct pktgen_dev *pkt_dev) *mpls |= MPLS_STACK_BOTTOM; } +static inline __be16 build_tci(unsigned int id, unsigned int cfi, + unsigned int prio) +{ + return htons(id | (cfi << 12) | (prio << 13)); +} + static struct sk_buff *fill_packet_ipv4(struct net_device *odev, struct pktgen_dev *pkt_dev) { @@ -2353,16 +2359,16 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, if (pkt_dev->vlan_id != 0xffff) { if(pkt_dev->svlan_id != 0xffff) { svlan_tci = (__be16 *)skb_put(skb, sizeof(__be16)); - *svlan_tci = htons(pkt_dev->svlan_id); - *svlan_tci |= pkt_dev->svlan_p << 5; - *svlan_tci |= pkt_dev->svlan_cfi << 4; + *svlan_tci = build_tci(pkt_dev->svlan_id, + pkt_dev->svlan_cfi, + pkt_dev->svlan_p); svlan_encapsulated_proto = (__be16 *)skb_put(skb, sizeof(__be16)); *svlan_encapsulated_proto = __constant_htons(ETH_P_8021Q); } vlan_tci = (__be16 *)skb_put(skb, sizeof(__be16)); - *vlan_tci = htons(pkt_dev->vlan_id); - *vlan_tci |= pkt_dev->vlan_p << 5; - *vlan_tci |= pkt_dev->vlan_cfi << 4; + *vlan_tci = build_tci(pkt_dev->vlan_id, + pkt_dev->vlan_cfi, + pkt_dev->vlan_p); vlan_encapsulated_proto = (__be16 *)skb_put(skb, sizeof(__be16)); *vlan_encapsulated_proto = __constant_htons(ETH_P_IP); } @@ -2689,16 +2695,16 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, if (pkt_dev->vlan_id != 0xffff) { if(pkt_dev->svlan_id != 0xffff) { svlan_tci = (__be16 *)skb_put(skb, sizeof(__be16)); - *svlan_tci = htons(pkt_dev->svlan_id); - *svlan_tci |= pkt_dev->svlan_p << 5; - *svlan_tci |= pkt_dev->svlan_cfi << 4; + *svlan_tci = build_tci(pkt_dev->svlan_id, + pkt_dev->svlan_cfi, + pkt_dev->svlan_p); svlan_encapsulated_proto = (__be16 *)skb_put(skb, sizeof(__be16)); *svlan_encapsulated_proto = __constant_htons(ETH_P_8021Q); } vlan_tci = (__be16 *)skb_put(skb, sizeof(__be16)); - *vlan_tci = htons(pkt_dev->vlan_id); - *vlan_tci |= pkt_dev->vlan_p << 5; - *vlan_tci |= pkt_dev->vlan_cfi << 4; + *vlan_tci = build_tci(pkt_dev->vlan_id, + pkt_dev->vlan_cfi, + pkt_dev->vlan_p); vlan_encapsulated_proto = (__be16 *)skb_put(skb, sizeof(__be16)); *vlan_encapsulated_proto = __constant_htons(ETH_P_IPV6); } -- 2.20.1