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-rw-r--r--include/rdma/ib_addr.h43
-rw-r--r--include/rdma/ib_pack.h9
2 files changed, 48 insertions, 4 deletions
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index 904ffa92fc9..b5fc9f39122 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -39,6 +39,7 @@
#include <linux/if_arp.h>
#include <linux/netdevice.h>
#include <linux/socket.h>
+#include <linux/if_vlan.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_pack.h>
@@ -129,21 +130,41 @@ static inline int rdma_addr_gid_offset(struct rdma_dev_addr *dev_addr)
return dev_addr->dev_type == ARPHRD_INFINIBAND ? 4 : 0;
}
-static inline void iboe_mac_to_ll(union ib_gid *gid, u8 *mac)
+static inline void iboe_mac_vlan_to_ll(union ib_gid *gid, u8 *mac, u16 vid)
{
memset(gid->raw, 0, 16);
*((__be32 *) gid->raw) = cpu_to_be32(0xfe800000);
- gid->raw[12] = 0xfe;
- gid->raw[11] = 0xff;
+ if (vid < 0x1000) {
+ gid->raw[12] = vid & 0xff;
+ gid->raw[11] = vid >> 8;
+ } else {
+ gid->raw[12] = 0xfe;
+ gid->raw[11] = 0xff;
+ }
memcpy(gid->raw + 13, mac + 3, 3);
memcpy(gid->raw + 8, mac, 3);
gid->raw[8] ^= 2;
}
+static inline u16 rdma_vlan_dev_vlan_id(const struct net_device *dev)
+{
+ return dev->priv_flags & IFF_802_1Q_VLAN ?
+ vlan_dev_vlan_id(dev) : 0xffff;
+}
+
static inline void iboe_addr_get_sgid(struct rdma_dev_addr *dev_addr,
union ib_gid *gid)
{
- iboe_mac_to_ll(gid, dev_addr->src_dev_addr);
+ struct net_device *dev;
+ u16 vid = 0xffff;
+
+ dev = dev_get_by_index(&init_net, dev_addr->bound_dev_if);
+ if (dev) {
+ vid = rdma_vlan_dev_vlan_id(dev);
+ dev_put(dev);
+ }
+
+ iboe_mac_vlan_to_ll(gid, dev_addr->src_dev_addr, vid);
}
static inline void rdma_addr_get_sgid(struct rdma_dev_addr *dev_addr, union ib_gid *gid)
@@ -244,4 +265,18 @@ static inline void rdma_get_mcast_mac(struct in6_addr *addr, u8 *mac)
mac[i] = addr->s6_addr[i + 10];
}
+static inline u16 rdma_get_vlan_id(union ib_gid *dgid)
+{
+ u16 vid;
+
+ vid = dgid->raw[11] << 8 | dgid->raw[12];
+ return vid < 0x1000 ? vid : 0xffff;
+}
+
+static inline struct net_device *rdma_vlan_dev_real_dev(const struct net_device *dev)
+{
+ return dev->priv_flags & IFF_802_1Q_VLAN ?
+ vlan_dev_real_dev(dev) : 0;
+}
+
#endif /* IB_ADDR_H */
diff --git a/include/rdma/ib_pack.h b/include/rdma/ib_pack.h
index 6b91d8e7a1f..b37fe3b10a9 100644
--- a/include/rdma/ib_pack.h
+++ b/include/rdma/ib_pack.h
@@ -38,6 +38,7 @@
enum {
IB_LRH_BYTES = 8,
IB_ETH_BYTES = 14,
+ IB_VLAN_BYTES = 4,
IB_GRH_BYTES = 40,
IB_BTH_BYTES = 12,
IB_DETH_BYTES = 8
@@ -219,11 +220,18 @@ struct ib_unpacked_eth {
__be16 type;
};
+struct ib_unpacked_vlan {
+ __be16 tag;
+ __be16 type;
+};
+
struct ib_ud_header {
int lrh_present;
struct ib_unpacked_lrh lrh;
int eth_present;
struct ib_unpacked_eth eth;
+ int vlan_present;
+ struct ib_unpacked_vlan vlan;
int grh_present;
struct ib_unpacked_grh grh;
struct ib_unpacked_bth bth;
@@ -245,6 +253,7 @@ void ib_unpack(const struct ib_field *desc,
void ib_ud_header_init(int payload_bytes,
int lrh_present,
int eth_present,
+ int vlan_present,
int grh_present,
int immediate_present,
struct ib_ud_header *header);