diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/rdma/hfi1/trace.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/staging/rdma/hfi1/trace.c b/drivers/staging/rdma/hfi1/trace.c index f55b75194847..10122e84cb2f 100644 --- a/drivers/staging/rdma/hfi1/trace.c +++ b/drivers/staging/rdma/hfi1/trace.c @@ -67,7 +67,7 @@ u8 ibhdr_exhdr_len(struct hfi1_ib_header *hdr) #define IMM_PRN "imm %d" #define RETH_PRN "reth vaddr 0x%.16llx rkey 0x%.8x dlen 0x%.8x" -#define AETH_PRN "aeth syn 0x%.2x msn 0x%.8x" +#define AETH_PRN "aeth syn 0x%.2x %s msn 0x%.8x" #define DETH_PRN "deth qkey 0x%.8x sqpn 0x%.6x" #define ATOMICACKETH_PRN "origdata %lld" #define ATOMICETH_PRN "vaddr 0x%llx rkey 0x%.8x sdata %lld cdata %lld" @@ -79,6 +79,19 @@ static u64 ib_u64_get(__be32 *p) return ((u64)be32_to_cpu(p[0]) << 32) | be32_to_cpu(p[1]); } +static const char *parse_syndrome(u8 syndrome) +{ + switch (syndrome >> 5) { + case 0: + return "ACK"; + case 1: + return "RNRNAK"; + case 3: + return "NAK"; + } + return ""; +} + const char *parse_everbs_hdrs( struct trace_seq *p, u8 opcode, @@ -124,16 +137,18 @@ const char *parse_everbs_hdrs( case OP(RC, RDMA_READ_RESPONSE_LAST): case OP(RC, RDMA_READ_RESPONSE_ONLY): case OP(RC, ACKNOWLEDGE): - trace_seq_printf(p, AETH_PRN, - be32_to_cpu(eh->aeth) >> 24, - be32_to_cpu(eh->aeth) & HFI1_MSN_MASK); + trace_seq_printf(p, AETH_PRN, be32_to_cpu(eh->aeth) >> 24, + parse_syndrome(be32_to_cpu(eh->aeth) >> 24), + be32_to_cpu(eh->aeth) & HFI1_MSN_MASK); break; /* aeth + atomicacketh */ case OP(RC, ATOMIC_ACKNOWLEDGE): trace_seq_printf(p, AETH_PRN " " ATOMICACKETH_PRN, - (be32_to_cpu(eh->at.aeth) >> 24) & 0xff, - be32_to_cpu(eh->at.aeth) & HFI1_MSN_MASK, - (unsigned long long)ib_u64_get(eh->at.atomic_ack_eth)); + be32_to_cpu(eh->at.aeth) >> 24, + parse_syndrome(be32_to_cpu(eh->at.aeth) >> 24), + be32_to_cpu(eh->at.aeth) & HFI1_MSN_MASK, + (unsigned long long) + ib_u64_get(eh->at.atomic_ack_eth)); break; /* atomiceth */ case OP(RC, COMPARE_SWAP): |