Esempi in C++ (Cpp) per ath10k_ce_alloc_dest_ring

Esempio n. 1

File: ce.c Progetto: NETFORCE2/OpenWrt-14.07-Barrier-Breaker

int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id,
			 const struct ce_attr *attr)
{
	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
	struct ath10k_ce_pipe *ce_state = &ar_pci->ce_states[ce_id];
	int ret;

	if (attr->src_nentries) {
		ce_state->src_ring = ath10k_ce_alloc_src_ring(ar, ce_id, attr);
		if (IS_ERR(ce_state->src_ring)) {
			ret = PTR_ERR(ce_state->src_ring);
			ath10k_err("failed to allocate copy engine source ring %d: %d\n",
				   ce_id, ret);
			ce_state->src_ring = NULL;
			return ret;
		}
	}

	if (attr->dest_nentries) {
		ce_state->dest_ring = ath10k_ce_alloc_dest_ring(ar, ce_id,
								attr);
		if (IS_ERR(ce_state->dest_ring)) {
			ret = PTR_ERR(ce_state->dest_ring);
			ath10k_err("failed to allocate copy engine destination ring %d: %d\n",
				   ce_id, ret);
			ce_state->dest_ring = NULL;
			return ret;
		}
	}

	return 0;
}

Esempio n. 2

File: ce.c Progetto: asmalldev/linux

int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id,
			 const struct ce_attr *attr)
{
	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
	struct ath10k_ce_pipe *ce_state = &ar_pci->ce_states[ce_id];
	int ret;

	/*
	 * Make sure there's enough CE ringbuffer entries for HTT TX to avoid
	 * additional TX locking checks.
	 *
	 * For the lack of a better place do the check here.
	 */
	BUILD_BUG_ON(2 * TARGET_NUM_MSDU_DESC >
		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));
	BUILD_BUG_ON(2 * TARGET_10_4_NUM_MSDU_DESC_PFC >
		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));
	BUILD_BUG_ON(2 * TARGET_TLV_NUM_MSDU_DESC >
		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));

	ce_state->ar = ar;
	ce_state->id = ce_id;
	ce_state->ctrl_addr = ath10k_ce_base_address(ar, ce_id);
	ce_state->attr_flags = attr->flags;
	ce_state->src_sz_max = attr->src_sz_max;

	if (attr->src_nentries)
		ce_state->send_cb = attr->send_cb;

	if (attr->dest_nentries)
		ce_state->recv_cb = attr->recv_cb;

	if (attr->src_nentries) {
		ce_state->src_ring = ath10k_ce_alloc_src_ring(ar, ce_id, attr);
		if (IS_ERR(ce_state->src_ring)) {
			ret = PTR_ERR(ce_state->src_ring);
			ath10k_err(ar, "failed to allocate copy engine source ring %d: %d\n",
				   ce_id, ret);
			ce_state->src_ring = NULL;
			return ret;
		}
	}

	if (attr->dest_nentries) {
		ce_state->dest_ring = ath10k_ce_alloc_dest_ring(ar, ce_id,
								attr);
		if (IS_ERR(ce_state->dest_ring)) {
			ret = PTR_ERR(ce_state->dest_ring);
			ath10k_err(ar, "failed to allocate copy engine destination ring %d: %d\n",
				   ce_id, ret);
			ce_state->dest_ring = NULL;
			return ret;
		}
	}

	return 0;
}