diff options
Diffstat (limited to 'net/dsa/tag_mtk.c')
| -rw-r--r-- | net/dsa/tag_mtk.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/net/dsa/tag_mtk.c b/net/dsa/tag_mtk.c index cc3ba864ad5b..415d8ece242a 100644 --- a/net/dsa/tag_mtk.c +++ b/net/dsa/tag_mtk.c @@ -41,10 +41,10 @@ static struct sk_buff *mtk_tag_xmit(struct sk_buff *skb, default: xmit_tpid = MTK_HDR_XMIT_UNTAGGED; skb_push(skb, MTK_HDR_LEN); - memmove(skb->data, skb->data + MTK_HDR_LEN, 2 * ETH_ALEN); + dsa_alloc_etype_header(skb, MTK_HDR_LEN); } - mtk_tag = skb->data + 2 * ETH_ALEN; + mtk_tag = dsa_etype_header_pos_tx(skb); /* Mark tag attribute on special tag insertion to notify hardware * whether that's a combined special tag with 802.1Q header. @@ -61,8 +61,7 @@ static struct sk_buff *mtk_tag_xmit(struct sk_buff *skb, return skb; } -static struct sk_buff *mtk_tag_rcv(struct sk_buff *skb, struct net_device *dev, - struct packet_type *pt) +static struct sk_buff *mtk_tag_rcv(struct sk_buff *skb, struct net_device *dev) { u16 hdr; int port; @@ -71,19 +70,13 @@ static struct sk_buff *mtk_tag_rcv(struct sk_buff *skb, struct net_device *dev, if (unlikely(!pskb_may_pull(skb, MTK_HDR_LEN))) return NULL; - /* The MTK header is added by the switch between src addr - * and ethertype at this point, skb->data points to 2 bytes - * after src addr so header should be 2 bytes right before. - */ - phdr = (__be16 *)(skb->data - 2); + phdr = dsa_etype_header_pos_rx(skb); hdr = ntohs(*phdr); /* Remove MTK tag and recalculate checksum. */ skb_pull_rcsum(skb, MTK_HDR_LEN); - memmove(skb->data - ETH_HLEN, - skb->data - ETH_HLEN - MTK_HDR_LEN, - 2 * ETH_ALEN); + dsa_strip_etype_header(skb, MTK_HDR_LEN); /* Get source port information */ port = (hdr & MTK_HDR_RECV_SOURCE_PORT_MASK); @@ -92,7 +85,7 @@ static struct sk_buff *mtk_tag_rcv(struct sk_buff *skb, struct net_device *dev, if (!skb->dev) return NULL; - skb->offload_fwd_mark = 1; + dsa_default_offload_fwd_mark(skb); return skb; } |