Merge "wil6210: support 8KB RX buffers" into msm-4.9 (f15237a6) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/net/wireless/ath/wil6210/rx_reorder.c

+10 −2

Original line number	Diff line number	Diff line
		@@ -343,8 +343,16 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
		wil_err(wil, "BACK requested unsupported ba_policy == 1\n");
		status = WLAN_STATUS_INVALID_QOS_PARAM;
		}
		if (status == WLAN_STATUS_SUCCESS)
		agg_wsize = wil_agg_size(wil, req_agg_wsize);
		if (status == WLAN_STATUS_SUCCESS) {
		if (req_agg_wsize == 0) {
		wil_dbg_misc(wil, "Suggest BACK wsize %d\n",
		WIL_MAX_AGG_WSIZE);
		agg_wsize = WIL_MAX_AGG_WSIZE;
		} else {
		agg_wsize = min_t(u16,
		WIL_MAX_AGG_WSIZE, req_agg_wsize);
		}
		}

		rc = wmi_addba_rx_resp(wil, cid, tid, dialog_token, status,
		agg_amsdu, agg_wsize, agg_timeout);

drivers/net/wireless/ath/wil6210/txrx.c

+22 −2

Original line number	Diff line number	Diff line
		@@ -37,6 +37,10 @@ bool rx_align_2;
		module_param(rx_align_2, bool, 0444);
		MODULE_PARM_DESC(rx_align_2, " align Rx buffers on 4*n+2, default - no");

		bool rx_large_buf;
		module_param(rx_large_buf, bool, 0444);
		MODULE_PARM_DESC(rx_large_buf, " allocate 8KB RX buffers, default - no");

		static inline uint wil_rx_snaplen(void)
		{
		return rx_align_2 ? 6 : 0;
		@@ -255,7 +259,7 @@ static int wil_vring_alloc_skb(struct wil6210_priv wil, struct vring vring,
		u32 i, int headroom)
		{
		struct device *dev = wil_to_dev(wil);
		unsigned int sz = mtu_max + ETH_HLEN + wil_rx_snaplen();
		unsigned int sz = wil->rx_buf_len + ETH_HLEN + wil_rx_snaplen();
		struct vring_rx_desc dd, *d = &dd;
		volatile struct vring_rx_desc *_d = &vring->va[i].rx;
		dma_addr_t pa;
		@@ -419,7 +423,7 @@ static struct sk_buff wil_vring_reap_rx(struct wil6210_priv wil,
		struct sk_buff *skb;
		dma_addr_t pa;
		unsigned int snaplen = wil_rx_snaplen();
		unsigned int sz = mtu_max + ETH_HLEN + snaplen;
		unsigned int sz = wil->rx_buf_len + ETH_HLEN + snaplen;
		u16 dmalen;
		u8 ftype;
		int cid;
		@@ -780,6 +784,20 @@ void wil_rx_handle(struct wil6210_priv wil, int quota)
		wil_rx_refill(wil, v->size);
		}

		static void wil_rx_buf_len_init(struct wil6210_priv *wil)
		{
		wil->rx_buf_len = rx_large_buf ?
		WIL_MAX_ETH_MTU : TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD;
		if (mtu_max > wil->rx_buf_len) {
		/* do not allow RX buffers to be smaller than mtu_max, for
		* backward compatibility (mtu_max parameter was also used
		* to support receiving large packets)
		*/
		wil_info(wil, "Override RX buffer to mtu_max(%d)\n", mtu_max);
		wil->rx_buf_len = mtu_max;
		}
		}

		int wil_rx_init(struct wil6210_priv *wil, u16 size)
		{
		struct vring *vring = &wil->vring_rx;
		@@ -792,6 +810,8 @@ int wil_rx_init(struct wil6210_priv *wil, u16 size)
		return -EINVAL;
		}

		wil_rx_buf_len_init(wil);

		vring->size = size;
		rc = wil_vring_alloc(wil, vring);
		if (rc)

drivers/net/wireless/ath/wil6210/wil6210.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@ extern unsigned short rx_ring_overflow_thrsh;
		extern int agg_wsize;
		extern u32 vring_idle_trsh;
		extern bool rx_align_2;
		extern bool rx_large_buf;
		extern bool debug_fw;
		extern bool disable_ap_sme;

		@@ -662,6 +663,7 @@ struct wil6210_priv {
		struct work_struct probe_client_worker;
		/* DMA related */
		struct vring vring_rx;
		unsigned int rx_buf_len;
		struct vring vring_tx[WIL6210_MAX_TX_RINGS];
		struct vring_tx_data vring_tx_data[WIL6210_MAX_TX_RINGS];
		u8 vring2cid_tid[WIL6210_MAX_TX_RINGS][2]; /* [0] - CID, [1] - TID */

drivers/net/wireless/ath/wil6210/wmi.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1437,7 +1437,8 @@ int wmi_rx_chain_add(struct wil6210_priv wil, struct vring vring)
		struct wmi_cfg_rx_chain_cmd cmd = {
		.action = WMI_RX_CHAIN_ADD,
		.rx_sw_ring = {
		.max_mpdu_size = cpu_to_le16(wil_mtu2macbuf(mtu_max)),
		.max_mpdu_size = cpu_to_le16(
		wil_mtu2macbuf(wil->rx_buf_len)),
		.ring_mem_base = cpu_to_le64(vring->pa),
		.ring_size = cpu_to_le16(vring->size),
		},