diff options
Diffstat (limited to 'net/dsa')
| -rw-r--r-- | net/dsa/tag_8021q.c | 43 | ||||
| -rw-r--r-- | net/dsa/tag_brcm.c | 2 | ||||
| -rw-r--r-- | net/dsa/tag_sja1105.c | 19 |
3 files changed, 11 insertions, 53 deletions
diff --git a/net/dsa/tag_8021q.c b/net/dsa/tag_8021q.c index 2fb6c26294b5..b97ad93d1c1a 100644 --- a/net/dsa/tag_8021q.c +++ b/net/dsa/tag_8021q.c @@ -298,47 +298,4 @@ struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev, } EXPORT_SYMBOL_GPL(dsa_8021q_xmit); -/* In the DSA packet_type handler, skb->data points in the middle of the VLAN - * tag, after tpid and before tci. This is because so far, ETH_HLEN - * (DMAC, SMAC, EtherType) bytes were pulled. - * There are 2 bytes of VLAN tag left in skb->data, and upper - * layers expect the 'real' EtherType to be consumed as well. - * Coincidentally, a VLAN header is also of the same size as - * the number of bytes that need to be pulled. - * - * skb_mac_header skb->data - * | | - * v v - * | | | | | | | | | | | | | | | | | | | - * +-----------------------+-----------------------+-------+-------+-------+ - * | Destination MAC | Source MAC | TPID | TCI | EType | - * +-----------------------+-----------------------+-------+-------+-------+ - * ^ | | - * |<--VLAN_HLEN-->to <---VLAN_HLEN---> - * from | - * >>>>>>> v - * >>>>>>> | | | | | | | | | | | | | | | - * >>>>>>> +-----------------------+-----------------------+-------+ - * >>>>>>> | Destination MAC | Source MAC | EType | - * +-----------------------+-----------------------+-------+ - * ^ ^ - * (now part of | | - * skb->head) skb_mac_header skb->data - */ -struct sk_buff *dsa_8021q_remove_header(struct sk_buff *skb) -{ - u8 *from = skb_mac_header(skb); - u8 *dest = from + VLAN_HLEN; - - memmove(dest, from, ETH_HLEN - VLAN_HLEN); - skb_pull(skb, VLAN_HLEN); - skb_push(skb, ETH_HLEN); - skb_reset_mac_header(skb); - skb_reset_mac_len(skb); - skb_pull_rcsum(skb, ETH_HLEN); - - return skb; -} -EXPORT_SYMBOL_GPL(dsa_8021q_remove_header); - MODULE_LICENSE("GPL v2"); diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c index 9c3114179690..9169b63a89e3 100644 --- a/net/dsa/tag_brcm.c +++ b/net/dsa/tag_brcm.c @@ -140,6 +140,8 @@ static struct sk_buff *brcm_tag_rcv_ll(struct sk_buff *skb, /* Remove Broadcom tag and update checksum */ skb_pull_rcsum(skb, BRCM_TAG_LEN); + skb->offload_fwd_mark = 1; + return skb; } #endif diff --git a/net/dsa/tag_sja1105.c b/net/dsa/tag_sja1105.c index 5366ea430349..d553bf36bd41 100644 --- a/net/dsa/tag_sja1105.c +++ b/net/dsa/tag_sja1105.c @@ -250,14 +250,14 @@ static struct sk_buff *sja1105_rcv(struct sk_buff *skb, { struct sja1105_meta meta = {0}; int source_port, switch_id; - struct vlan_ethhdr *hdr; + struct ethhdr *hdr; u16 tpid, vid, tci; bool is_link_local; bool is_tagged; bool is_meta; - hdr = vlan_eth_hdr(skb); - tpid = ntohs(hdr->h_vlan_proto); + hdr = eth_hdr(skb); + tpid = ntohs(hdr->h_proto); is_tagged = (tpid == ETH_P_SJA1105); is_link_local = sja1105_is_link_local(skb); is_meta = sja1105_is_meta_frame(skb); @@ -266,7 +266,12 @@ static struct sk_buff *sja1105_rcv(struct sk_buff *skb, if (is_tagged) { /* Normal traffic path. */ - tci = ntohs(hdr->h_vlan_TCI); + skb_push_rcsum(skb, ETH_HLEN); + __skb_vlan_pop(skb, &tci); + skb_pull_rcsum(skb, ETH_HLEN); + skb_reset_network_header(skb); + skb_reset_transport_header(skb); + vid = tci & VLAN_VID_MASK; source_port = dsa_8021q_rx_source_port(vid); switch_id = dsa_8021q_rx_switch_id(vid); @@ -295,12 +300,6 @@ static struct sk_buff *sja1105_rcv(struct sk_buff *skb, return NULL; } - /* Delete/overwrite fake VLAN header, DSA expects to not find - * it there, see dsa_switch_rcv: skb_push(skb, ETH_HLEN). - */ - if (is_tagged) - skb = dsa_8021q_remove_header(skb); - return sja1105_rcv_meta_state_machine(skb, &meta, is_link_local, is_meta); } |