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Diffstat (limited to 'static/freebsd/man3/ibv_query_port.3')
| -rw-r--r-- | static/freebsd/man3/ibv_query_port.3 | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/static/freebsd/man3/ibv_query_port.3 b/static/freebsd/man3/ibv_query_port.3 new file mode 100644 index 00000000..6e480d6c --- /dev/null +++ b/static/freebsd/man3/ibv_query_port.3 @@ -0,0 +1,66 @@ +.\" -*- nroff -*- +.\" Licensed under the OpenIB.org BSD license (FreeBSD Variant) - See COPYING.md +.\" +.TH IBV_QUERY_PORT 3 2006-10-31 libibverbs "Libibverbs Programmer's Manual" +.SH "NAME" +ibv_query_port \- query an RDMA port's attributes +.SH "SYNOPSIS" +.nf +.B #include <infiniband/verbs.h> +.sp +.BI "int ibv_query_port(struct ibv_context " "*context" ", uint8_t " "port_num" , +.BI " struct ibv_port_attr " "*port_attr" "); +.fi +.SH "DESCRIPTION" +.B ibv_query_port() +returns the attributes of port +.I port_num +for device context +.I context +through the pointer +.I port_attr\fR. +The argument +.I port_attr +is an ibv_port_attr struct, as defined in <infiniband/verbs.h>. +.PP +.nf +struct ibv_port_attr { +.in +8 +enum ibv_port_state state; /* Logical port state */ +enum ibv_mtu max_mtu; /* Max MTU supported by port */ +enum ibv_mtu active_mtu; /* Actual MTU */ +int gid_tbl_len; /* Length of source GID table */ +uint32_t port_cap_flags; /* Port capabilities */ +uint32_t max_msg_sz; /* Maximum message size */ +uint32_t bad_pkey_cntr; /* Bad P_Key counter */ +uint32_t qkey_viol_cntr; /* Q_Key violation counter */ +uint16_t pkey_tbl_len; /* Length of partition table */ +uint16_t lid; /* Base port LID */ +uint16_t sm_lid; /* SM LID */ +uint8_t lmc; /* LMC of LID */ +uint8_t max_vl_num; /* Maximum number of VLs */ +uint8_t sm_sl; /* SM service level */ +uint8_t subnet_timeout; /* Subnet propagation delay */ +uint8_t init_type_reply;/* Type of initialization performed by SM */ +uint8_t active_width; /* Currently active link width */ +uint8_t active_speed; /* Currently active link speed */ +uint8_t phys_state; /* Physical port state */ +uint8_t link_layer; /* link layer protocol of the port */ +.in -8 +}; +.sp +possible values for the link layer field are IBV_LINK_LAYER_INFINIBAND, +IBV_LINK_LAYER_ETHERNET, or IBV_LINK_LAYER_UNSPECIFIED. +.sp +.fi +.SH "RETURN VALUE" +.B ibv_query_port() +returns 0 on success, or the value of errno on failure (which indicates the failure reason). +.SH "SEE ALSO" +.BR ibv_create_qp (3), +.BR ibv_destroy_qp (3), +.BR ibv_query_qp (3), +.BR ibv_create_ah (3) +.SH "AUTHORS" +.TP +Dotan Barak <dotanba@gmail.com> |