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Commit 8a831f35 authored by Sneh Shah's avatar Sneh Shah
Browse files

net: stmmac: Free IPA queue memory on netdev close 



Free all allocated memory for IPA queues on closing netdev.

Change-Id: Ie6dfbd266aebef1c676028ef95af41b7c7cbed59
Signed-off-by: default avatarSneh Shah <snehshah@codeaurora.org>
parent c8980a40

drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ipa.c

+37 −0
Original line number Diff line number Diff line
@@ -762,6 +762,41 @@ static void ethqos_wrapper_rx_descriptor_init_single_q( 
	ethqos_ipa_rx_desc_init(ethqos, qinx);

}



static void ethqos_rx_skb_free_mem(struct qcom_ethqos *ethqos,

				   unsigned int qinx)

{

	struct net_device *ndev;

	struct stmmac_priv *priv;

	int i;



	if (!ethqos) {

		ETHQOSERR("Null parameter");

		return;

	}



	ndev = dev_get_drvdata(&ethqos->pdev->dev);

	priv = netdev_priv(ndev);



	for (i = 0; i < eth_ipa_ctx.rx_queue[qinx].desc_cnt; i++) {

		dma_free_coherent

		 (GET_MEM_PDEV_DEV,

		 ETHQOS_ETH_FRAME_LEN_IPA,

		 eth_ipa_ctx.rx_queue->ipa_rx_buff_pool_va_addrs_base[i],

		 eth_ipa_ctx.rx_queue->ipa_rx_buff_pool_pa_addrs_base[i]);

	}

}



static void ethqos_free_ipa_queue_mem(struct qcom_ethqos *ethqos)

{

	ethqos_rx_desc_free_mem(ethqos, IPA_DMA_RX_CH);

	ethqos_tx_desc_free_mem(ethqos, IPA_DMA_TX_CH);

	ethqos_rx_skb_free_mem(ethqos, IPA_DMA_RX_CH);

	ethqos_rx_buf_free_mem(ethqos, IPA_DMA_RX_CH);

	ethqos_tx_buf_free_mem(ethqos, IPA_DMA_TX_CH);

	ethqos_free_ipa_rx_queue_struct(ethqos);

	ethqos_free_ipa_tx_queue_struct(ethqos);

}



static int ethqos_set_ul_dl_smmu_ipa_params(struct qcom_ethqos *ethqos,

					    struct ipa_ntn_setup_info *ul,

					    struct ipa_ntn_setup_info *dl)
@@ -2254,6 +2289,8 @@ void ethqos_ipa_offload_event_handler(void *data, 


			/* reset link down on dev close */

			eth_ipa_ctx.ipa_offload_link_down = 0;

			ethqos_free_ipa_queue_mem(eth_ipa_ctx.ethqos);



		}

		break;

	case EV_DPM_SUSPEND: