Man page - umad_set_grh_net(3)
Packages contas this manual
- umad_dump(3)
- umad_get_fd(3)
- umad_send(3)
- umad_get_ca(3)
- umad_attribute_str(3)
- umad_get_port(3)
- umad_release_port(3)
- umad_set_grh_net(3)
- umad_status(3)
- umad_set_addr(3)
- umad_done(3)
- umad_method_str(3)
- umad_set_pkey(3)
- umad_close_port(3)
- umad_register(3)
- umad_set_addr_net(3)
- umad_get_mad(3)
- umad_init(3)
- umad_get_pkey(3)
- umad_get_issm_path(3)
- umad_poll(3)
- umad_free(3)
- umad_unregister(3)
- umad_register2(3)
- umad_debug(3)
- umad_mad_status_str(3)
- umad_set_grh(3)
- umad_get_cas_names(3)
- umad_register_oui(3)
- umad_addr_dump(3)
- umad_open_port(3)
- umad_get_ca_portguids(3)
- umad_class_str(3)
- umad_alloc(3)
- umad_recv(3)
- umad_size(3)
- umad_release_ca(3)
- umad_get_mad_addr(3)
Package: libibumad-dev
apt-get install libibumad-dev
apt-get install libibumad-dev
Manuals in package:
Documentations in package:
Manual
| UMAD_SET_GRH_NET(3) | OpenIB Programmer's Manual | UMAD_SET_GRH_NET(3) |
NAME
umad_set_grh_net - set GRH fields within umad buffer using network ordering
SYNOPSIS
#include <infiniband/umad.h> int umad_set_grh_net(void *umad, void *mad_addr);
DESCRIPTION
umad_set_grh_net() sets the GRH fields (grh_present, gid, hop_limit, traffic_class, flow_label) within the specified umad buffer based on the mad_addr supplied. The provided mad_addr fields are expected to be in network order. If the mad_addr pointer supplied is NULL, no GRH is set. The argument mad_addr is a pointer to an ib_mad_addr_t struct, as specified in <infiniband/umad.h>. The argument umad is a pointer to an ib_user_mad_t struct, as specified in <infiniband/umad.h>.
typedef struct ib_mad_addr {
uint32_t qpn;
uint32_t qkey;
uint16_t lid;
uint8_t sl;
uint8_t path_bits;
uint8_t grh_present;
uint8_t gid_index;
uint8_t hop_limit;
uint8_t traffic_class;
uint8_t gid[16];
uint32_t flow_label;
} ib_mad_addr_t;
typedef struct ib_user_mad {
uint32_t agent_id;
uint32_t status;
uint32_t timeout_ms;
uint32_t retries;
uint32_t length;
ib_mad_addr_t addr;
uint8_t data[0];
} ib_user_mad_t;
RETURN VALUE
umad_set_grh_net() returns 0 on success, and a negative value on errors. Currently, there are no errors indicated.
KNOWN BUGS
Not implemented.
SEE ALSO
umad_set_grh(3)
AUTHOR
| May 24, 2007 | OpenIB |