RDMA/nes: Implement Terminate Packet

[safe/jmp/linux-2.6] / drivers / infiniband / hw / nes / nes_hw.h

diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h
index c3654c6..4a0bfcd 100644 (file)
--- a/drivers/infiniband/hw/nes/nes_hw.h
+++ b/drivers/infiniband/hw/nes/nes_hw.h
@@ -241,6 +241,7 @@ enum nes_cqp_stag_wqeword_idx {
 };
 
 #define NES_CQP_OP_IWARP_STATE_SHIFT 28
+#define NES_CQP_OP_TERMLEN_SHIFT     28
 
 enum nes_cqp_qp_bits {
        NES_CQP_QP_ARP_VALID = (1<<8),
@@ -265,6 +266,8 @@ enum nes_cqp_qp_bits {
        NES_CQP_QP_IWARP_STATE_TERMINATE = (5<<NES_CQP_OP_IWARP_STATE_SHIFT),
        NES_CQP_QP_IWARP_STATE_ERROR = (6<<NES_CQP_OP_IWARP_STATE_SHIFT),
        NES_CQP_QP_IWARP_STATE_MASK = (7<<NES_CQP_OP_IWARP_STATE_SHIFT),
+       NES_CQP_QP_TERM_DONT_SEND_FIN = (1<<24),
+       NES_CQP_QP_TERM_DONT_SEND_TERM_MSG = (1<<25),
        NES_CQP_QP_RESET = (1<<31),
 };
 
@@ -633,11 +636,14 @@ enum nes_aeqe_bits {
        NES_AEQE_INBOUND_RDMA = (1<<19),
        NES_AEQE_IWARP_STATE_MASK = (7<<20),
        NES_AEQE_TCP_STATE_MASK = (0xf<<24),
+       NES_AEQE_Q2_DATA_WRITTEN = (0x3<<28),
        NES_AEQE_VALID = (1<<31),
 };
 
 #define NES_AEQE_IWARP_STATE_SHIFT     20
 #define NES_AEQE_TCP_STATE_SHIFT       24
+#define NES_AEQE_Q2_DATA_ETHERNET       (1<<28)
+#define NES_AEQE_Q2_DATA_MPA            (1<<29)
 
 enum nes_aeqe_iwarp_state {
        NES_AEQE_IWARP_STATE_NON_EXISTANT = 0,
@@ -1119,6 +1125,7 @@ struct nes_adapter {
        u8            netdev_max;       /* from host nic address count in EEPROM */
        u8            port_count;
        u8            virtwq;
+       u8            send_term_ok;
        u8            et_use_adaptive_rx_coalesce;
        u8            adapter_fcn_count;
        u8 pft_mcast_map[NES_PFT_SIZE];
@@ -1217,6 +1224,90 @@ struct nes_ib_device {
        u32 num_pd;
 };
 
+enum nes_hdrct_flags {
+       DDP_LEN_FLAG                    = 0x80,
+       DDP_HDR_FLAG                    = 0x40,
+       RDMA_HDR_FLAG                   = 0x20
+};
+
+enum nes_term_layers {
+       LAYER_RDMA                      = 0,
+       LAYER_DDP                       = 1,
+       LAYER_MPA                       = 2
+};
+
+enum nes_term_error_types {
+       RDMAP_CATASTROPHIC              = 0,
+       RDMAP_REMOTE_PROT               = 1,
+       RDMAP_REMOTE_OP                 = 2,
+       DDP_CATASTROPHIC                = 0,
+       DDP_TAGGED_BUFFER               = 1,
+       DDP_UNTAGGED_BUFFER             = 2,
+       DDP_LLP                         = 3
+};
+
+enum nes_term_rdma_errors {
+       RDMAP_INV_STAG                  = 0x00,
+       RDMAP_INV_BOUNDS                = 0x01,
+       RDMAP_ACCESS                    = 0x02,
+       RDMAP_UNASSOC_STAG              = 0x03,
+       RDMAP_TO_WRAP                   = 0x04,
+       RDMAP_INV_RDMAP_VER             = 0x05,
+       RDMAP_UNEXPECTED_OP             = 0x06,
+       RDMAP_CATASTROPHIC_LOCAL        = 0x07,
+       RDMAP_CATASTROPHIC_GLOBAL       = 0x08,
+       RDMAP_CANT_INV_STAG             = 0x09,
+       RDMAP_UNSPECIFIED               = 0xff
+};
+
+enum nes_term_ddp_errors {
+       DDP_CATASTROPHIC_LOCAL          = 0x00,
+       DDP_TAGGED_INV_STAG             = 0x00,
+       DDP_TAGGED_BOUNDS               = 0x01,
+       DDP_TAGGED_UNASSOC_STAG         = 0x02,
+       DDP_TAGGED_TO_WRAP              = 0x03,
+       DDP_TAGGED_INV_DDP_VER          = 0x04,
+       DDP_UNTAGGED_INV_QN             = 0x01,
+       DDP_UNTAGGED_INV_MSN_NO_BUF     = 0x02,
+       DDP_UNTAGGED_INV_MSN_RANGE      = 0x03,
+       DDP_UNTAGGED_INV_MO             = 0x04,
+       DDP_UNTAGGED_INV_TOO_LONG       = 0x05,
+       DDP_UNTAGGED_INV_DDP_VER        = 0x06
+};
+
+enum nes_term_mpa_errors {
+       MPA_CLOSED                      = 0x01,
+       MPA_CRC                         = 0x02,
+       MPA_MARKER                      = 0x03,
+       MPA_REQ_RSP                     = 0x04,
+};
+
+struct nes_terminate_hdr {
+       u8 layer_etype;
+       u8 error_code;
+       u8 hdrct;
+       u8 rsvd;
+};
+
+/* Used to determine how to fill in terminate error codes */
+#define IWARP_OPCODE_WRITE             0
+#define IWARP_OPCODE_READREQ           1
+#define IWARP_OPCODE_READRSP           2
+#define IWARP_OPCODE_SEND              3
+#define IWARP_OPCODE_SEND_INV          4
+#define IWARP_OPCODE_SEND_SE           5
+#define IWARP_OPCODE_SEND_SE_INV       6
+#define IWARP_OPCODE_TERM              7
+
+/* These values are used only during terminate processing */
+#define TERM_DDP_LEN_TAGGED    14
+#define TERM_DDP_LEN_UNTAGGED  18
+#define TERM_RDMA_LEN          28
+#define RDMA_OPCODE_MASK       0x0f
+#define RDMA_READ_REQ_OPCODE   1
+#define BAD_FRAME_OFFSET       64
+#define CQE_MAJOR_DRV          0x8000
+
 #define nes_vlan_rx vlan_hwaccel_receive_skb
 #define nes_netif_rx netif_receive_skb