Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (63 commits)
  IB/qib: clean up properly if pci_set_consistent_dma_mask() fails
  IB/qib: Allow driver to load if PCIe AER fails
  IB/qib: Fix uninitialized pointer if CONFIG_PCI_MSI not set
  IB/qib: Fix extra log level in qib_early_err()
  RDMA/cxgb4: Remove unnecessary KERN_<level> use
  RDMA/cxgb3: Remove unnecessary KERN_<level> use
  IB/core: Add link layer type information to sysfs
  IB/mlx4: Add VLAN support for IBoE
  IB/core: Add VLAN support for IBoE
  IB/mlx4: Add support for IBoE
  mlx4_en: Change multicast promiscuous mode to support IBoE
  mlx4_core: Update data structures and constants for IBoE
  mlx4_core: Allow protocol drivers to find corresponding interfaces
  IB/uverbs: Return link layer type to userspace for query port operation
  IB/srp: Sync buffer before posting send
  IB/srp: Use list_first_entry()
  IB/srp: Reduce number of BUSY conditions
  IB/srp: Eliminate two forward declarations
  IB/mlx4: Signal node desc changes to SM by using FW to generate trap 144
  IB: Replace EXTRA_CFLAGS with ccflags-y
  ...

9 files changed, 266 insertions, 14 deletions

diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h
index 78a1b9671752..9a18667c13cc 100644
--- a/include/linux/mlx4/cmd.h
+++ b/include/linux/mlx4/cmd.h
@@ -58,6 +58,7 @@ enum {
         MLX4_CMD_SENSE_PORT      = 0x4d,
         MLX4_CMD_HW_HEALTH_CHECK = 0x50,
         MLX4_CMD_SET_PORT        = 0xc,
+        MLX4_CMD_SET_NODE        = 0x5a,
         MLX4_CMD_ACCESS_DDR      = 0x2e,
         MLX4_CMD_MAP_ICM         = 0xffa,
         MLX4_CMD_UNMAP_ICM       = 0xff9,
@@ -141,6 +142,7 @@ enum {
         MLX4_SET_PORT_MAC_TABLE = 0x2,
         MLX4_SET_PORT_VLAN_TABLE = 0x3,
         MLX4_SET_PORT_PRIO_MAP  = 0x4,
+        MLX4_SET_PORT_GID_TABLE = 0x5,
 };
 
 struct mlx4_dev;
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 7338654c02b4..a7b15bc7648e 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -67,7 +67,8 @@ enum {
         MLX4_DEV_CAP_FLAG_ATOMIC        = 1 << 18,
         MLX4_DEV_CAP_FLAG_RAW_MCAST     = 1 << 19,
         MLX4_DEV_CAP_FLAG_UD_AV_PORT    = 1 << 20,
-        MLX4_DEV_CAP_FLAG_UD_MCAST      = 1 << 21
+        MLX4_DEV_CAP_FLAG_UD_MCAST      = 1 << 21,
+        MLX4_DEV_CAP_FLAG_IBOE          = 1 << 30
 };
 
 enum {
@@ -171,6 +172,10 @@ enum {
         MLX4_NUM_FEXCH          = 64 * 1024,
 };
 
+enum {
+        MLX4_MAX_FAST_REG_PAGES = 511,
+};
+
 static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
 {
         return (major << 32) | (minor << 16) | subminor;
@@ -379,6 +384,27 @@ struct mlx4_av {
         u8                      dgid[16];
 };
 
+struct mlx4_eth_av {
+        __be32          port_pd;
+        u8              reserved1;
+        u8              smac_idx;
+        u16             reserved2;
+        u8              reserved3;
+        u8              gid_index;
+        u8              stat_rate;
+        u8              hop_limit;
+        __be32          sl_tclass_flowlabel;
+        u8              dgid[16];
+        u32             reserved4[2];
+        __be16          vlan;
+        u8              mac[6];
+};
+
+union mlx4_ext_av {
+        struct mlx4_av          ib;
+        struct mlx4_eth_av      eth;
+};
+
 struct mlx4_dev {
         struct pci_dev         *pdev;
         unsigned long           flags;
@@ -407,6 +433,12 @@ struct mlx4_init_port_param {
                 if (((type) == MLX4_PORT_TYPE_IB ? (dev)->caps.port_mask : \
                      ~(dev)->caps.port_mask) & 1 << ((port) - 1))
 
+#define mlx4_foreach_ib_transport_port(port, dev)                       \
+        for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)     \
+                if (((dev)->caps.port_mask & 1 << ((port) - 1)) ||      \
+                    ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
+
+
 int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
                    struct mlx4_buf *buf);
 void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
@@ -474,6 +506,7 @@ int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]);
 int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index);
 void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int index);
 
+int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
 int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
 void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index);
 
diff --git a/include/linux/mlx4/driver.h b/include/linux/mlx4/driver.h
index 53c5fdb6eac4..f407cd4bfb34 100644
--- a/include/linux/mlx4/driver.h
+++ b/include/linux/mlx4/driver.h
@@ -44,15 +44,24 @@ enum mlx4_dev_event {
         MLX4_DEV_EVENT_PORT_REINIT,
 };
 
+enum mlx4_protocol {
+        MLX4_PROTOCOL_IB,
+        MLX4_PROTOCOL_EN,
+};
+
 struct mlx4_interface {
         void *                  (*add)   (struct mlx4_dev *dev);
         void                    (*remove)(struct mlx4_dev *dev, void *context);
         void                    (*event) (struct mlx4_dev *dev, void *context,
                                           enum mlx4_dev_event event, int port);
+        void *                  (*get_dev)(struct mlx4_dev *dev, void *context, u8 port);
         struct list_head        list;
+        enum mlx4_protocol      protocol;
 };
 
 int mlx4_register_interface(struct mlx4_interface *intf);
 void mlx4_unregister_interface(struct mlx4_interface *intf);
 
+void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port);
+
 #endif /* MLX4_DRIVER_H */
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index 7abe64326f72..0eeb2a1a867c 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -109,10 +109,11 @@ struct mlx4_qp_path {
         __be32                  tclass_flowlabel;
         u8                      rgid[16];
         u8                      sched_queue;
-        u8                      snooper_flags;
+        u8                      vlan_index;
         u8                      reserved3[2];
         u8                      counter_index;
-        u8                      reserved4[7];
+        u8                      reserved4;
+        u8                      dmac[6];
 };
 
 struct mlx4_qp_context {
@@ -166,6 +167,7 @@ enum {
         MLX4_WQE_CTRL_TCP_UDP_CSUM      = 1 << 5,
         MLX4_WQE_CTRL_INS_VLAN          = 1 << 6,
         MLX4_WQE_CTRL_STRONG_ORDER      = 1 << 7,
+        MLX4_WQE_CTRL_FORCE_LOOPBACK    = 1 << 0,
 };
 
 struct mlx4_wqe_ctrl_seg {
@@ -219,7 +221,8 @@ struct mlx4_wqe_datagram_seg {
         __be32                  av[8];
         __be32                  dqpn;
         __be32                  qkey;
-        __be32                  reservd[2];
+        __be16                  vlan;
+        u8                      mac[6];
 };
 
 struct mlx4_wqe_lso_seg {
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index fa0d52b8e622..b5fc9f39122b 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -39,7 +39,9 @@
 #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>
 
 struct rdma_addr_client {
         atomic_t refcount;
@@ -63,6 +65,7 @@ struct rdma_dev_addr {
         unsigned char broadcast[MAX_ADDR_LEN];
         unsigned short dev_type;
         int bound_dev_if;
+        enum rdma_transport_type transport;
 };
 
 /**
@@ -127,9 +130,51 @@ 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_vlan_to_ll(union ib_gid *gid, u8 *mac, u16 vid)
+{
+        memset(gid->raw, 0, 16);
+        *((__be32 *) gid->raw) = cpu_to_be32(0xfe800000);
+        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)
+{
+        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)
 {
-        memcpy(gid, dev_addr->src_dev_addr + rdma_addr_gid_offset(dev_addr), sizeof *gid);
+        if (dev_addr->transport == RDMA_TRANSPORT_IB &&
+            dev_addr->dev_type != ARPHRD_INFINIBAND)
+                iboe_addr_get_sgid(dev_addr, gid);
+        else
+                memcpy(gid, dev_addr->src_dev_addr +
+                       rdma_addr_gid_offset(dev_addr), sizeof *gid);
 }
 
 static inline void rdma_addr_set_sgid(struct rdma_dev_addr *dev_addr, union ib_gid *gid)
@@ -147,4 +192,91 @@ static inline void rdma_addr_set_dgid(struct rdma_dev_addr *dev_addr, union ib_g
         memcpy(dev_addr->dst_dev_addr + rdma_addr_gid_offset(dev_addr), gid, sizeof *gid);
 }
 
+static inline enum ib_mtu iboe_get_mtu(int mtu)
+{
+        /*
+         * reduce IB headers from effective IBoE MTU. 28 stands for
+         * atomic header which is the biggest possible header after BTH
+         */
+        mtu = mtu - IB_GRH_BYTES - IB_BTH_BYTES - 28;
+
+        if (mtu >= ib_mtu_enum_to_int(IB_MTU_4096))
+                return IB_MTU_4096;
+        else if (mtu >= ib_mtu_enum_to_int(IB_MTU_2048))
+                return IB_MTU_2048;
+        else if (mtu >= ib_mtu_enum_to_int(IB_MTU_1024))
+                return IB_MTU_1024;
+        else if (mtu >= ib_mtu_enum_to_int(IB_MTU_512))
+                return IB_MTU_512;
+        else if (mtu >= ib_mtu_enum_to_int(IB_MTU_256))
+                return IB_MTU_256;
+        else
+                return 0;
+}
+
+static inline int iboe_get_rate(struct net_device *dev)
+{
+        struct ethtool_cmd cmd;
+
+        if (!dev->ethtool_ops || !dev->ethtool_ops->get_settings ||
+            dev->ethtool_ops->get_settings(dev, &cmd))
+                return IB_RATE_PORT_CURRENT;
+
+        if (cmd.speed >= 40000)
+                return IB_RATE_40_GBPS;
+        else if (cmd.speed >= 30000)
+                return IB_RATE_30_GBPS;
+        else if (cmd.speed >= 20000)
+                return IB_RATE_20_GBPS;
+        else if (cmd.speed >= 10000)
+                return IB_RATE_10_GBPS;
+        else
+                return IB_RATE_PORT_CURRENT;
+}
+
+static inline int rdma_link_local_addr(struct in6_addr *addr)
+{
+        if (addr->s6_addr32[0] == htonl(0xfe800000) &&
+            addr->s6_addr32[1] == 0)
+                return 1;
+
+        return 0;
+}
+
+static inline void rdma_get_ll_mac(struct in6_addr *addr, u8 *mac)
+{
+        memcpy(mac, &addr->s6_addr[8], 3);
+        memcpy(mac + 3, &addr->s6_addr[13], 3);
+        mac[0] ^= 2;
+}
+
+static inline int rdma_is_multicast_addr(struct in6_addr *addr)
+{
+        return addr->s6_addr[0] == 0xff;
+}
+
+static inline void rdma_get_mcast_mac(struct in6_addr *addr, u8 *mac)
+{
+        int i;
+
+        mac[0] = 0x33;
+        mac[1] = 0x33;
+        for (i = 2; i < 6; ++i)
+                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 cbb50f4da3dd..b37fe3b10a9d 100644
--- a/include/rdma/ib_pack.h
+++ b/include/rdma/ib_pack.h
@@ -37,6 +37,8 @@
 
 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
@@ -210,14 +212,32 @@ struct ib_unpacked_deth {
         __be32       source_qpn;
 };
 
+struct ib_unpacked_eth {
+        u8      dmac_h[4];
+        u8      dmac_l[2];
+        u8      smac_h[2];
+        u8      smac_l[4];
+        __be16  type;
+};
+
+struct ib_unpacked_vlan {
+        __be16  tag;
+        __be16  type;
+};
+
 struct ib_ud_header {
+        int                     lrh_present;
         struct ib_unpacked_lrh  lrh;
-        int                     grh_present;
-        struct ib_unpacked_grh  grh;
-        struct ib_unpacked_bth  bth;
+        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;
         struct ib_unpacked_deth deth;
-        int                     immediate_present;
-        __be32                  immediate_data;
+        int                     immediate_present;
+        __be32                  immediate_data;
 };
 
 void ib_pack(const struct ib_field        *desc,
@@ -230,9 +250,12 @@ void ib_unpack(const struct ib_field        *desc,
                void                         *buf,
                void                         *structure);
 
-void ib_ud_header_init(int                 payload_bytes,
-                       int                 grh_present,
-                       int                 immediate_present,
+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);
 
 int ib_ud_header_pack(struct ib_ud_header *header,
diff --git a/include/rdma/ib_user_verbs.h b/include/rdma/ib_user_verbs.h
index a17f77106149..fe5b05177a2c 100644
--- a/include/rdma/ib_user_verbs.h
+++ b/include/rdma/ib_user_verbs.h
@@ -205,7 +205,8 @@ struct ib_uverbs_query_port_resp {
         __u8  active_width;
         __u8  active_speed;
         __u8  phys_state;
-        __u8  reserved[3];
+        __u8  link_layer;
+        __u8  reserved[2];
 };
 
 struct ib_uverbs_alloc_pd {
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 857b3b9cf120..e04c4888d1fd 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -75,6 +75,12 @@ enum rdma_transport_type {
 enum rdma_transport_type
 rdma_node_get_transport(enum rdma_node_type node_type) __attribute_const__;
 
+enum rdma_link_layer {
+        IB_LINK_LAYER_UNSPECIFIED,
+        IB_LINK_LAYER_INFINIBAND,
+        IB_LINK_LAYER_ETHERNET,
+};
+
 enum ib_device_cap_flags {
         IB_DEVICE_RESIZE_MAX_WR         = 1,
         IB_DEVICE_BAD_PKEY_CNTR         = (1<<1),
@@ -1010,6 +1016,8 @@ struct ib_device {
         int                        (*query_port)(struct ib_device *device,
                                                  u8 port_num,
                                                  struct ib_port_attr *port_attr);
+        enum rdma_link_layer       (*get_link_layer)(struct ib_device *device,
+                                                     u8 port_num);
         int                        (*query_gid)(struct ib_device *device,
                                                 u8 port_num, int index,
                                                 union ib_gid *gid);
@@ -1222,6 +1230,9 @@ int ib_query_device(struct ib_device *device,
 int ib_query_port(struct ib_device *device,
                   u8 port_num, struct ib_port_attr *port_attr);
 
+enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device,
+                                               u8 port_num);
+
 int ib_query_gid(struct ib_device *device,
                  u8 port_num, int index, union ib_gid *gid);
 
diff --git a/include/scsi/srp.h b/include/scsi/srp.h
index ad178fa78f66..1ae84db4c9fb 100644
--- a/include/scsi/srp.h
+++ b/include/scsi/srp.h
@@ -239,4 +239,42 @@ struct srp_rsp {
         u8      data[0];
 } __attribute__((packed));
 
+struct srp_cred_req {
+        u8      opcode;
+        u8      sol_not;
+        u8      reserved[2];
+        __be32  req_lim_delta;
+        u64     tag;
+};
+
+struct srp_cred_rsp {
+        u8      opcode;
+        u8      reserved[7];
+        u64     tag;
+};
+
+/*
+ * The SRP spec defines the fixed portion of the AER_REQ structure to be
+ * 36 bytes, so it needs to be packed to avoid having it padded to 40 bytes
+ * on 64-bit architectures.
+ */
+struct srp_aer_req {
+        u8      opcode;
+        u8      sol_not;
+        u8      reserved[2];
+        __be32  req_lim_delta;
+        u64     tag;
+        u32     reserved2;
+        __be64  lun;
+        __be32  sense_data_len;
+        u32     reserved3;
+        u8      sense_data[0];
+} __attribute__((packed));
+
+struct srp_aer_rsp {
+        u8      opcode;
+        u8      reserved[7];
+        u64     tag;
+};
+
 #endif /* SCSI_SRP_H */