diff options
| author | Michael J. Ruhl <michael.j.ruhl@intel.com> | 2017-07-24 07:46:12 -0700 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-07-31 15:17:55 -0400 |
| commit | bf90aadd630c2c9f7f965ba1e90d41b5b46db7c9 (patch) | |
| tree | e95f69b0a661f5693efe4a4d1700f4243f1d6983 /include/rdma/rdma_vt.h | |
| parent | 2250563e2c935d6401a2203be4de4ca2cf0db183 (diff) | |
| download | lwn-bf90aadd630c2c9f7f965ba1e90d41b5b46db7c9.tar.gz lwn-bf90aadd630c2c9f7f965ba1e90d41b5b46db7c9.zip | |
IB/hfi1: Send MAD traps until repressed
A trap should be sent to the FM until the FM sends a repress message.
This is in line with the IBTA 13.4.9.
Add the ability to resend traps until a repress message is received.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Michael N. Henry <michael.n.henry@intel.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma/rdma_vt.h')
| -rw-r--r-- | include/rdma/rdma_vt.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h index 22fb15ff5e8b..fdfac0fd2f82 100644 --- a/include/rdma/rdma_vt.h +++ b/include/rdma/rdma_vt.h @@ -57,11 +57,21 @@ #include <linux/list.h> #include <linux/hash.h> #include <rdma/ib_verbs.h> +#include <rdma/ib_mad.h> #include <rdma/rdmavt_mr.h> #include <rdma/rdmavt_qp.h> #define RVT_MAX_PKEY_VALUES 16 +#define RVT_MAX_TRAP_LEN 100 /* Limit pending trap list */ +#define RVT_MAX_TRAP_LISTS ((IB_NOTICE_TYPE_INFO & 0x0F) + 1) +#define RVT_TRAP_TIMEOUT 4096 /* 4.096 usec */ + +struct trap_list { + u32 list_len; + struct list_head list; +}; + struct rvt_ibport { struct rvt_qp __rcu *qp[2]; struct ib_mad_agent *send_agent; /* agent for SMI (traps) */ @@ -128,6 +138,13 @@ struct rvt_ibport { u16 *pkey_table; struct rvt_ah *sm_ah; + + /* + * Keep a list of traps that have not been repressed. They will be + * resent based on trap_timer. + */ + struct trap_list trap_lists[RVT_MAX_TRAP_LISTS]; + struct timer_list trap_timer; }; #define RVT_CQN_MAX 16 /* maximum length of cq name */ |