static ssize_t rxd_ep_cancel_recv(struct rxd_ep *ep, struct dlist_entry *list,
void *context)
{
struct dlist_entry *entry;
struct rxd_x_entry *rx_entry;
struct fi_cq_err_entry err_entry;
int ret = 0;
fastlock_acquire(&ep->util_ep.lock);
entry = dlist_find_first_match(list, &rxd_match_ctx, context);
if (!entry)
goto out;
rx_entry = container_of(entry, struct rxd_x_entry, entry);
memset(&err_entry, 0, sizeof(struct fi_cq_err_entry));
err_entry.op_context = rx_entry->cq_entry.op_context;
err_entry.flags = rx_entry->cq_entry.flags;
err_entry.err = FI_ECANCELED;
err_entry.prov_errno = 0;
ret = ofi_cq_write_error(&rxd_ep_rx_cq(ep)->util_cq, &err_entry);
if (ret) {
FI_WARN(&rxd_prov, FI_LOG_EP_CTRL, "could not write error entry\n");
goto out;
}
rx_entry->flags |= RXD_CANCELLED;
ret = 1;
out:
fastlock_release(&ep->util_ep.lock);
return ret;
}
void rxd_ep_handle_data_msg(struct rxd_ep *ep, struct rxd_peer *peer,
struct rxd_rx_entry *rx_entry,
struct iovec *iov, size_t iov_count,
struct ofi_ctrl_hdr *ctrl, void *data,
struct rxd_rx_buf *rx_buf)
{
struct fi_cq_tagged_entry cq_entry = {0};
struct util_cntr *cntr = NULL;
uint64_t done;
struct rxd_cq *rxd_rx_cq = rxd_ep_rx_cq(ep);
ep->credits++;
done = ofi_copy_to_iov(iov, iov_count, rx_entry->done, data,
ctrl->seg_size);
rx_entry->done += done;
rx_entry->credits--;
rx_entry->exp_seg_no++;
if (done != ctrl->seg_size) {
/* todo: generate truncation error */
/* inform peer */
FI_WARN(&rxd_prov, FI_LOG_EP_CTRL, "TODO: message truncated\n");
}
if (rx_entry->credits == 0) {
rxd_set_rx_credits(ep, rx_entry);
FI_DBG(&rxd_prov, FI_LOG_EP_CTRL, "replying ack [%p] - %d\n",
ctrl->msg_id, ctrl->seg_no);
rxd_ep_reply_ack(ep, ctrl, ofi_ctrl_ack, rx_entry->credits,
rx_entry->key, peer->conn_data, ctrl->conn_id);
}
if (rx_entry->op_hdr.size != rx_entry->done) {
if (rx_entry->credits == 0) {
dlist_init(&rx_entry->wait_entry);
dlist_insert_tail(&rx_entry->wait_entry, &ep->wait_rx_list);
FI_WARN(&rxd_prov, FI_LOG_EP_CTRL, "rx-entry %p - %d enqueued\n",
ctrl->msg_id, ctrl->seg_no);
} else {
FI_DBG(&rxd_prov, FI_LOG_EP_CTRL,
"rx_entry->op_hdr.size: %d, rx_entry->done: %d\n",
rx_entry->op_hdr.size, rx_entry->done);
}
return;
}
/* todo: handle FI_COMPLETION for RX CQ comp */
switch(rx_entry->op_hdr.op) {
case ofi_op_msg:
freestack_push(ep->recv_fs, rx_entry->recv);
/* Handle cntr */
cntr = ep->util_ep.rx_cntr;
/* Handle CQ comp */
cq_entry.flags |= FI_RECV;
cq_entry.op_context = rx_entry->recv->msg.context;
cq_entry.len = rx_entry->done;
cq_entry.buf = rx_entry->recv->iov[0].iov_base;
cq_entry.data = rx_entry->op_hdr.data;
rxd_rx_cq->write_fn(rxd_rx_cq, &cq_entry);
break;
case ofi_op_tagged:
freestack_push(ep->trecv_fs, rx_entry->trecv);
/* Handle cntr */
cntr = ep->util_ep.rx_cntr;
/* Handle CQ comp */
cq_entry.flags |= (FI_RECV | FI_TAGGED);
cq_entry.op_context = rx_entry->trecv->msg.context;
cq_entry.len = rx_entry->done;
cq_entry.buf = rx_entry->trecv->iov[0].iov_base;
cq_entry.data = rx_entry->op_hdr.data;
cq_entry.tag = rx_entry->trecv->msg.tag;\
rxd_rx_cq->write_fn(rxd_rx_cq, &cq_entry);
break;
case ofi_op_atomic:
/* Handle cntr */
cntr = ep->util_ep.rem_wr_cntr;
/* Handle CQ comp */
cq_entry.flags |= FI_ATOMIC;
rxd_rx_cq->write_fn(rxd_rx_cq, &cq_entry);
break;
case ofi_op_write:
/* Handle cntr */
cntr = ep->util_ep.rem_wr_cntr;
/* Handle CQ comp */
if (rx_entry->op_hdr.flags & OFI_REMOTE_CQ_DATA) {
cq_entry.flags |= (FI_RMA | FI_REMOTE_WRITE);
cq_entry.op_context = rx_entry->trecv->msg.context;
cq_entry.len = rx_entry->done;
cq_entry.buf = rx_entry->write.iov[0].iov_base;
cq_entry.data = rx_entry->op_hdr.data;
rxd_rx_cq->write_fn(rxd_rx_cq, &cq_entry);
}
break;
case ofi_op_read_rsp:
rxd_cq_report_tx_comp(rxd_ep_tx_cq(ep), rx_entry->read_rsp.tx_entry);
rxd_cntr_report_tx_comp(ep, rx_entry->read_rsp.tx_entry);
rxd_tx_entry_done(ep, rx_entry->read_rsp.tx_entry);
break;
default:
FI_WARN(&rxd_prov, FI_LOG_EP_CTRL, "invalid op type: %d\n",
rx_entry->op_hdr.op);
break;
}
if (cntr)
cntr->cntr_fid.ops->add(&cntr->cntr_fid, 1);
rxd_rx_entry_free(ep, rx_entry);
}
