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Commit 1bd6ce94 authored by Ravi Gummadidala's avatar Ravi Gummadidala
Browse files

msm: ipa: add support to configure WAN_RX pool size 



This parameter is target specific and should be configured
through device tree. This commit adds that support.

Change-Id: Ib6e6a64b7fd3ce0c544b7b4cb225ccb593877666
Signed-off-by: default avatarRavi Gummadidala <rgummadi@codeaurora.org>
parent db644c69

Documentation/devicetree/bindings/platform/msm/ipa.txt

+1 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ IPA node: 


Optional:



- qcom,wan-rx-ring-size: size of WAN rx ring, default is 32

- qcom,use-a2-service: determine if A2 service will be used

- qcom,use-ipa-tethering-bridge: determine if tethering bridge will be used

- qcom,use-ipa-bamdma-a2-bridge: determine if a2/ipa hw bridge will be used

drivers/platform/msm/ipa/ipa.c

+12 −0
Original line number Diff line number Diff line
@@ -2961,6 +2961,7 @@ static int ipa_init(const struct ipa_plat_drv_res *resource_p, 
	ipa_ctx->ipa_hw_mode = resource_p->ipa_hw_mode;

	ipa_ctx->use_ipa_teth_bridge = resource_p->use_ipa_teth_bridge;

	ipa_ctx->ipa_bam_remote_mode = resource_p->ipa_bam_remote_mode;

	ipa_ctx->wan_rx_ring_size = resource_p->wan_rx_ring_size;



	/* default aggregation parameters */

	ipa_ctx->aggregation_type = IPA_MBIM_16;
@@ -3458,6 +3459,7 @@ static int get_ipa_dts_configuration(struct platform_device *pdev, 
	ipa_drv_res->ipa_hw_type = 0;

	ipa_drv_res->ipa_hw_mode = 0;

	ipa_drv_res->ipa_bam_remote_mode = false;

	ipa_drv_res->wan_rx_ring_size = IPA_GENERIC_RX_POOL_SZ;



	/* Get IPA HW Version */

	result = of_property_read_u32(pdev->dev.of_node, "qcom,ipa-hw-ver",
@@ -3477,6 +3479,16 @@ static int get_ipa_dts_configuration(struct platform_device *pdev, 
		IPADBG(": found ipa_drv_res->ipa_hw_mode = %d",

				ipa_drv_res->ipa_hw_mode);



	/* Get IPA WAN RX pool sizee */

	result = of_property_read_u32(pdev->dev.of_node,

			"qcom,wan-rx-ring-size",

			&ipa_drv_res->wan_rx_ring_size);

	if (result)

		IPADBG("using default for wan-rx-ring-size\n");

	else

		IPADBG(": found ipa_drv_res->wan-rx-ring-size = %u",

				ipa_drv_res->wan_rx_ring_size);



	ipa_drv_res->use_ipa_teth_bridge =

			of_property_read_bool(pdev->dev.of_node,

			"qcom,use-ipa-tethering-bridge");

drivers/platform/msm/ipa/ipa_dp.c

+4 −2
Original line number Diff line number Diff line
@@ -29,7 +29,6 @@ 
#define IPA_GENERIC_AGGR_BYTE_LIMIT 6

#define IPA_GENERIC_AGGR_TIME_LIMIT 1

#define IPA_GENERIC_AGGR_PKT_LIMIT 0

#define IPA_GENERIC_RX_POOL_SZ 32



#define IPA_GENERIC_RX_BUFF_BASE_SZ 8192

#define IPA_REAL_GENERIC_RX_BUFF_SZ (SKB_DATA_ALIGN(\
@@ -2494,7 +2493,6 @@ static int ipa_assign_policy(struct ipa_sys_connect_params *in, 
				INIT_WORK(&sys->repl_work, ipa_wq_repl_rx);

				atomic_set(&sys->curr_polling_state, 0);

				sys->rx_buff_sz = IPA_GENERIC_RX_BUFF_SZ;

				sys->rx_pool_sz = IPA_GENERIC_RX_POOL_SZ;

				sys->get_skb = ipa_get_skb_ipa_rx;

				sys->free_skb = ipa_free_skb_rx;

				in->ipa_ep_cfg.aggr.aggr_en = IPA_ENABLE_AGGR;
@@ -2507,9 +2505,13 @@ static int ipa_assign_policy(struct ipa_sys_connect_params *in, 
					IPA_GENERIC_AGGR_PKT_LIMIT;

				if (in->client == IPA_CLIENT_APPS_LAN_CONS) {

					sys->pyld_hdlr = ipa_lan_rx_pyld_hdlr;

					sys->rx_pool_sz =

						IPA_GENERIC_RX_POOL_SZ;

				} else if (in->client ==

						IPA_CLIENT_APPS_WAN_CONS) {

					sys->pyld_hdlr = ipa_wan_rx_pyld_hdlr;

					sys->rx_pool_sz =

						ipa_ctx->wan_rx_ring_size;

				}

				if (nr_cpu_ids > 1)

					sys->repl_hdlr =

drivers/platform/msm/ipa/ipa_i.h

+3 −0
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ 
#define IPA_QMAP_HEADER_LENGTH (4)

#define IPA_DL_CHECKSUM_LENGTH (8)

#define IPA_NUM_DESC_PER_SW_TX (2)

#define IPA_GENERIC_RX_POOL_SZ 32



#define IPADBG(fmt, args...) \

	pr_debug(DRV_NAME " %s:%d " fmt, __func__, __LINE__, ## args)
@@ -1186,6 +1187,7 @@ struct ipa_context { 
	struct ipa_uc_ctx uc_ctx;



	struct ipa_uc_wdi_ctx uc_wdi_ctx;

	u32 wan_rx_ring_size;

};



/**
@@ -1232,6 +1234,7 @@ struct ipa_plat_drv_res { 
	enum ipa_hw_mode ipa_hw_mode;

	u32 ee;

	bool ipa_bam_remote_mode;

	u32 wan_rx_ring_size;

};



struct ipa_mem_partition {