static
void pscom_extoll_con_cleanup(pscom_con_t *con)
{
psex_con_info_t *ci = con->arch.extoll.ci;
if (!ci) return;
psex_con_cleanup(ci);
psex_con_free(ci);
con->arch.extoll.ci = NULL;
}
int psex_con_init(psex_con_info_t *con_info, hca_info_t *hca_info, void *priv)
{
unsigned int i;
if (!hca_info) hca_info = &default_hca;
memset(con_info, 0, sizeof(*con_info));
con_info->hca_info = hca_info;
con_info->send.bufs.mr = NULL;
con_info->recv.bufs.mr = NULL;
con_info->priv = priv;
con_info->con_broken = 0;
/*
* Memory for send and receive bufs
*/
if (!psex_global_sendq) {
if (psex_rma2_alloc(hca_info, PSEX_RMA2_MTU * psex_sendq_size,
&con_info->send.bufs))
goto err_alloc;
}
con_info->send.pos = 0;
if (psex_rma2_alloc(hca_info, PSEX_RMA2_MTU * psex_recvq_size,
&con_info->recv.bufs))
goto err_alloc;
/* Clear all receive magics */
for (i = 0; i < psex_recvq_size; i++) {
psex_msg_t *msg = ((psex_msg_t *)con_info->recv.bufs.ptr) + i;
msg->tail.magic = PSEX_MAGIC_UNUSED;
}
con_info->remote_recv_pos = 0;
con_info->recv.pos = 0;
// Initialize receive tokens
con_info->n_recv_toks = 0;
con_info->n_tosend_toks = 0;
// Initialize send tokens
con_info->n_send_toks = psex_recvq_size; // #tokens = length of _receive_ queue!
return 0;
/* --- */
err_alloc:
psex_con_cleanup(con_info);
psex_dprint(1, "psex_con_init() : %s", psex_err_str);
return -1;
}
static
int pscom_extoll_accept(pscom_con_t *con, int con_fd)
{
int arch = PSCOM_ARCH_EXTOLL;
psex_con_info_t *ci = psex_con_create();
psex_info_msg_t msg;
if (!ci) goto err_no_ci;
if (psex_init()) goto out_noextoll;
if (psex_con_init(ci, NULL, con)) goto dont_use; /* Initialize connection */
/* step 1: Yes, we talk extoll. */
pscom_writeall(con_fd, &arch, sizeof(arch));
/* step 2: Send Connection id's */
psex_con_get_info_msg(ci, &msg);
pscom_writeall(con_fd, &msg, sizeof(msg));
/* step 3 : recv connection id's */
if ((pscom_readall(con_fd, &msg, sizeof(msg)) != sizeof(msg)))
goto err_remote;
/* Connect */
if (psex_con_connect(ci, &msg)) {
/* ToDo: bad! How to inform the peer about the error? */
DPRINT(0, "Extoll psex_con_connect() failed!");
goto err_local;
}
pscom_extoll_con_init(con, con_fd, ci);
return 1;
/* --- */
err_local:
err_remote:
if (ci) psex_con_cleanup(ci);
if (ci) psex_con_free(ci);
return 0;
/* --- */
dont_use:
out_noextoll:
psex_con_free(ci);
err_no_ci:
arch = PSCOM_ARCH_ERROR;
pscom_writeall(con_fd, &arch, sizeof(arch));
return 0; /* Dont use extoll */
/* --- */
}