Expose tag matching capabilities and show them in ibv_devinfo.
* max_rndv_hdr_size - Max size of RNDV message
* max_num_tags - Max number of entries in tag matching list
* max_ops - Max number of outstanding list operations
* max_sge - Max number of SGE in a tag matching entry
* capability_flags - TM capabilities mask:
- IBV_TM_CAP_RC - Support tag matching on RC transport
Change-Id: I6f15a6db209155be6406bb54c714796047979f68
Signed-off-by: Artemy Kovalyov <artemyko@xxxxxxxxxxxx>
Reviewed-by: Yishai Hadas <yishaih@xxxxxxxxxxxx>
---
libibverbs/verbs.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/libibverbs/verbs.h b/libibverbs/verbs.h
index b27dfd1..43fa386 100644
--- a/libibverbs/verbs.h
+++ b/libibverbs/verbs.h
@@ -259,6 +259,23 @@ enum ibv_raw_packet_caps {
IBV_RAW_PACKET_CAP_IP_CSUM = 1 << 2,
};
+enum ibv_tm_cap_flags {
+ IBV_TM_CAP_RC = 1 << 0
+};
+
+struct ibv_tm_caps {
+ /* Max size for RNDV message */
+ uint32_t max_rndv_hdr_size;
+ /* Max number of entries in tag matching list */
+ uint32_t max_num_tags;
+ /* TM capabilities mask - enumerated in ibv_tm_cap_flags */
+ uint32_t capability_flags;
+ /* Max number of outstanding list operations */
+ uint32_t max_ops;
+ /* Max number of SGE in a tag matching entry */
+ uint32_t max_sge;
+};
+
struct ibv_device_attr_ex {
struct ibv_device_attr orig_attr;
uint32_t comp_mask;
@@ -271,6 +288,7 @@ struct ibv_device_attr_ex {
uint32_t max_wq_type_rq;
struct ibv_packet_pacing_caps packet_pacing_caps;
uint32_t raw_packet_caps; /* Use ibv_raw_packet_caps */
+ struct ibv_tm_caps tm_caps;
};
enum ibv_mtu {
--
1.8.3.1
--
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