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wil6210: multiple connect - initial support

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Enable multiple (up to 8 - HW/FW limitation) simultaneous connections.
Each connection has its own CID (connection ID) that describes chip's
beam-forming entity. Tx Vring should refer to correct CID for frame to reach
its destination.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vladimir Kondratiev
2014-02-27 16:20:43 +02:00
committed by John W. Linville
parent 59f7c0a957
commit 3df2cd3618
6 changed files with 148 additions and 15 deletions
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22
drivers/net/wireless/ath/wil6210/wil6210.h
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@@ -226,6 +226,24 @@ struct wil6210_stats {
u16 peer_tx_sector;
};
enum wil_sta_status {
wil_sta_unused = 0,
wil_sta_conn_pending = 1,
wil_sta_connected = 2,
};
/**
* struct wil_sta_info - data for peer
*
* Peer identified by its CID (connection ID)
* NIC performs beam forming for each peer;
* if no beam forming done, frame exchange is not
* possible.
*/
struct wil_sta_info {
u8 addr[ETH_ALEN];
enum wil_sta_status status;
};
struct wil6210_priv {
struct pci_dev *pdev;
int n_msi;
@@ -267,7 +285,8 @@ struct wil6210_priv {
/* DMA related */
struct vring vring_rx;
struct vring vring_tx[WIL6210_MAX_TX_RINGS];
u8 dst_addr[WIL6210_MAX_TX_RINGS][ETH_ALEN];
u8 vring2cid_tid[WIL6210_MAX_TX_RINGS][2]; /* [0] - CID, [1] - TID */
struct wil_sta_info sta[WIL6210_MAX_CID];
/* scan */
struct cfg80211_scan_request *scan_request;
@@ -334,6 +353,7 @@ void wil_link_off(struct wil6210_priv *wil);
int wil_up(struct wil6210_priv *wil);
int wil_down(struct wil6210_priv *wil);
void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r);
int wil_find_cid(struct wil6210_priv *wil, const u8 *mac);
void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr);
void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr);