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authorIngo Molnar <mingo@kernel.org>2017-09-04 11:01:18 +0200
committerIngo Molnar <mingo@kernel.org>2017-09-04 11:01:18 +0200
commitedc2988c548db05e33b921fed15821010bc74895 (patch)
treeb35860428acea35e5866d4cf007519ed943a85de /include/rdma/ib_hdrs.h
parentd82fed75294229abc9d757f08a4817febae6c4f4 (diff)
parent81a84ad3cb5711cec79f4dd53a4ce026b092c432 (diff)
Merge branch 'linus' into locking/core, to fix up conflicts
Conflicts: mm/page_alloc.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/rdma/ib_hdrs.h')
-rw-r--r--include/rdma/ib_hdrs.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/include/rdma/ib_hdrs.h b/include/rdma/ib_hdrs.h
index 5519f31f043a..c124d515f7d5 100644
--- a/include/rdma/ib_hdrs.h
+++ b/include/rdma/ib_hdrs.h
@@ -193,8 +193,12 @@ static inline void put_ib_ateth_compare(u64 val, struct ib_atomic_eth *ateth)
#define IB_LNH_MASK 3
#define IB_SC_MASK 0xf
#define IB_SC_SHIFT 12
+#define IB_SC5_MASK 0x10
#define IB_SL_MASK 0xf
#define IB_SL_SHIFT 4
+#define IB_SL_SHIFT 4
+#define IB_LVER_MASK 0xf
+#define IB_LVER_SHIFT 8
static inline u8 ib_get_lnh(struct ib_header *hdr)
{
@@ -206,6 +210,11 @@ 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 bool ib_is_sc5(u16 sc5)
+{
+ return !!(sc5 & IB_SC5_MASK);
+}
+
static inline u8 ib_get_sl(struct ib_header *hdr)
{
return ((be16_to_cpu(hdr->lrh[0]) >> IB_SL_SHIFT) & IB_SL_MASK);
@@ -221,6 +230,27 @@ static inline u16 ib_get_slid(struct ib_header *hdr)
return (be16_to_cpu(hdr->lrh[3]));
}
+static inline u8 ib_get_lver(struct ib_header *hdr)
+{
+ return (u8)((be16_to_cpu(hdr->lrh[0]) >> IB_LVER_SHIFT) &
+ IB_LVER_MASK);
+}
+
+static inline u16 ib_get_len(struct ib_header *hdr)
+{
+ return (u16)(be16_to_cpu(hdr->lrh[2]));
+}
+
+static inline u32 ib_get_qkey(struct ib_other_headers *ohdr)
+{
+ return be32_to_cpu(ohdr->u.ud.deth[0]);
+}
+
+static inline u32 ib_get_sqpn(struct ib_other_headers *ohdr)
+{
+ return ((be32_to_cpu(ohdr->u.ud.deth[1])) & IB_QPN_MASK);
+}
+
/*
* BTH
*/
@@ -229,6 +259,14 @@ static inline u16 ib_get_slid(struct ib_header *hdr)
#define IB_BTH_PAD_MASK 3
#define IB_BTH_PKEY_MASK 0xffff
#define IB_BTH_PAD_SHIFT 20
+#define IB_BTH_A_MASK 1
+#define IB_BTH_A_SHIFT 31
+#define IB_BTH_M_MASK 1
+#define IB_BTH_M_SHIFT 22
+#define IB_BTH_SE_MASK 1
+#define IB_BTH_SE_SHIFT 23
+#define IB_BTH_TVER_MASK 0xf
+#define IB_BTH_TVER_SHIFT 16
static inline u8 ib_bth_get_pad(struct ib_other_headers *ohdr)
{
@@ -247,4 +285,50 @@ static inline u8 ib_bth_get_opcode(struct ib_other_headers *ohdr)
IB_BTH_OPCODE_MASK);
}
+static inline u8 ib_bth_get_ackreq(struct ib_other_headers *ohdr)
+{
+ return (u8)((be32_to_cpu(ohdr->bth[2]) >> IB_BTH_A_SHIFT) &
+ IB_BTH_A_MASK);
+}
+
+static inline u8 ib_bth_get_migreq(struct ib_other_headers *ohdr)
+{
+ return (u8)((be32_to_cpu(ohdr->bth[0]) >> IB_BTH_M_SHIFT) &
+ IB_BTH_M_MASK);
+}
+
+static inline u8 ib_bth_get_se(struct ib_other_headers *ohdr)
+{
+ return (u8)((be32_to_cpu(ohdr->bth[0]) >> IB_BTH_SE_SHIFT) &
+ IB_BTH_SE_MASK);
+}
+
+static inline u32 ib_bth_get_psn(struct ib_other_headers *ohdr)
+{
+ return (u32)(be32_to_cpu(ohdr->bth[2]));
+}
+
+static inline u32 ib_bth_get_qpn(struct ib_other_headers *ohdr)
+{
+ return (u32)((be32_to_cpu(ohdr->bth[1])) & IB_QPN_MASK);
+}
+
+static inline u8 ib_bth_get_becn(struct ib_other_headers *ohdr)
+{
+ return (u8)((be32_to_cpu(ohdr->bth[1]) >> IB_BECN_SHIFT) &
+ IB_BECN_MASK);
+}
+
+static inline u8 ib_bth_get_fecn(struct ib_other_headers *ohdr)
+{
+ return (u8)((be32_to_cpu(ohdr->bth[1]) >> IB_FECN_SHIFT) &
+ IB_FECN_MASK);
+}
+
+static inline u8 ib_bth_get_tver(struct ib_other_headers *ohdr)
+{
+ return (u8)((be32_to_cpu(ohdr->bth[0]) >> IB_BTH_TVER_SHIFT) &
+ IB_BTH_TVER_MASK);
+}
+
#endif /* IB_HDRS_H */