To help with discussion, here is a new API that was added to the librdmacm to
support AF_IB.
#define RAI_PASSIVE 1
struct rdma_addrinfo {
int ai_flags;
int ai_family;
int ai_qp_type;
int ai_port_space;
socklen_t ai_src_len;
socklen_t ai_dst_len;
struct sockaddr *ai_src_addr;
struct sockaddr *ai_dst_addr;
char *ai_src_canonname;
char *ai_dst_canonname;
size_t ai_route_len;
void *ai_route;
size_t ai_connect_len;
void *ai_connect;
struct rdma_addrinfo *ai_next;
};
int rdma_getaddrinfo(char *node, char *service,
struct rdma_addrinfo *hints,
struct rdma_addrinfo **res);
The hope is that applications can replace calls to getaddrinfo with
rdma_getaddrinfo. The output of getaddrinfo can be fed into the existing APIs,
or apps can make use of a simpler routine which replaces rdma_create_id,
rdma_bind_addr/rdma_resolve_addr, and rdma_resolve_route.
int rdma_create_ep(struct rdma_cm_id **id, struct rdma_addrinfo *res,
struct ibv_pd *pd, struct ibv_qp_init_attr *qp_init_attr);
- Sean
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