Merge tag 'tty-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

[linux-2.6-microblaze.git] / include / rdma / ib_hdrs.h

diff --git a/include/rdma/ib_hdrs.h b/include/rdma/ib_hdrs.h
index c755325..5519f31 100644 (file)
--- a/include/rdma/ib_hdrs.h
+++ b/include/rdma/ib_hdrs.h
@@ -74,6 +74,12 @@
 #define IB_GRH_FLOW_MASK       0xFFFFF
 #define IB_GRH_FLOW_SHIFT      0
 #define IB_GRH_NEXT_HDR                0x1B
+#define IB_FECN_SHIFT 31
+#define IB_FECN_MASK 1
+#define IB_FECN_SMASK BIT(IB_FECN_SHIFT)
+#define IB_BECN_SHIFT 30
+#define IB_BECN_MASK 1
+#define IB_BECN_SMASK BIT(IB_BECN_SHIFT)
 
 #define IB_AETH_CREDIT_SHIFT   24
 #define IB_AETH_CREDIT_MASK    0x1F
@@ -181,4 +187,64 @@ static inline void put_ib_ateth_compare(u64 val, struct ib_atomic_eth *ateth)
        ib_u64_put(val, &ateth->compare_data);
 }
 
+/*
+ * 9B/IB Packet Format
+ */
+#define IB_LNH_MASK            3
+#define IB_SC_MASK             0xf
+#define IB_SC_SHIFT            12
+#define IB_SL_MASK             0xf
+#define IB_SL_SHIFT            4
+
+static inline u8 ib_get_lnh(struct ib_header *hdr)
+{
+       return (be16_to_cpu(hdr->lrh[0]) & IB_LNH_MASK);
+}
+
+static inline u8 ib_get_sc(struct ib_header *hdr)
+{
+       return ((be16_to_cpu(hdr->lrh[0]) >> IB_SC_SHIFT) & IB_SC_MASK);
+}
+
+static inline u8 ib_get_sl(struct ib_header *hdr)
+{
+       return ((be16_to_cpu(hdr->lrh[0]) >> IB_SL_SHIFT) & IB_SL_MASK);
+}
+
+static inline u16 ib_get_dlid(struct ib_header *hdr)
+{
+       return (be16_to_cpu(hdr->lrh[1]));
+}
+
+static inline u16 ib_get_slid(struct ib_header *hdr)
+{
+       return (be16_to_cpu(hdr->lrh[3]));
+}
+
+/*
+ * BTH
+ */
+#define IB_BTH_OPCODE_MASK     0xff
+#define IB_BTH_OPCODE_SHIFT    24
+#define IB_BTH_PAD_MASK        3
+#define IB_BTH_PKEY_MASK       0xffff
+#define IB_BTH_PAD_SHIFT       20
+
+static inline u8 ib_bth_get_pad(struct ib_other_headers *ohdr)
+{
+       return ((be32_to_cpu(ohdr->bth[0]) >> IB_BTH_PAD_SHIFT) &
+                  IB_BTH_PAD_MASK);
+}
+
+static inline u16 ib_bth_get_pkey(struct ib_other_headers *ohdr)
+{
+       return (be32_to_cpu(ohdr->bth[0]) & IB_BTH_PKEY_MASK);
+}
+
+static inline u8 ib_bth_get_opcode(struct ib_other_headers *ohdr)
+{
+       return ((be32_to_cpu(ohdr->bth[0]) >> IB_BTH_OPCODE_SHIFT) &
+                  IB_BTH_OPCODE_MASK);
+}
+
 #endif                          /* IB_HDRS_H */