Commit c988b782 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by Kalle Valo
Browse files

brcmfmac: print firmware reported ring status errors 



Firmware is capable of reporting ring status. It's used e.g. to signal
some problem with a specific ring setup. This patch adds support for
printing ring & error number which may be useful for debugging setup
issues.

Signed-off-by: default avatarRafał Miłecki <rafal@milecki.pl>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent a250c91c

drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c

+25 −0
Original line number Diff line number Diff line
@@ -134,6 +134,14 @@ struct msgbuf_completion_hdr { 
	__le16				flow_ring_id;

};



/* Data struct for the MSGBUF_TYPE_RING_STATUS */

struct msgbuf_ring_status {

	struct msgbuf_common_hdr	msg;

	struct msgbuf_completion_hdr	compl_hdr;

	__le16				write_idx;

	__le32				rsvd0[5];

};



struct msgbuf_rx_event {

	struct msgbuf_common_hdr	msg;

	struct msgbuf_completion_hdr	compl_hdr;
@@ -1180,6 +1188,19 @@ brcmf_msgbuf_process_rx_complete(struct brcmf_msgbuf *msgbuf, void *buf) 
	brcmf_netif_rx(ifp, skb);

}



static void brcmf_msgbuf_process_ring_status(struct brcmf_msgbuf *msgbuf,

					     void *buf)

{

	struct msgbuf_ring_status *ring_status = buf;

	int err;



	err = le16_to_cpu(ring_status->compl_hdr.status);

	if (err) {

		int ring = le16_to_cpu(ring_status->compl_hdr.flow_ring_id);



		brcmf_err("Firmware reported ring %d error: %d\n", ring, err);

	}

}



static void

brcmf_msgbuf_process_flow_ring_create_response(struct brcmf_msgbuf *msgbuf,
@@ -1241,6 +1262,10 @@ static void brcmf_msgbuf_process_msgtype(struct brcmf_msgbuf *msgbuf, void *buf) 


	msg = (struct msgbuf_common_hdr *)buf;

	switch (msg->msgtype) {

	case MSGBUF_TYPE_RING_STATUS:

		brcmf_dbg(MSGBUF, "MSGBUF_TYPE_RING_STATUS\n");

		brcmf_msgbuf_process_ring_status(msgbuf, buf);

		break;

	case MSGBUF_TYPE_FLOW_RING_CREATE_CMPLT:

		brcmf_dbg(MSGBUF, "MSGBUF_TYPE_FLOW_RING_CREATE_CMPLT\n");

		brcmf_msgbuf_process_flow_ring_create_response(msgbuf, buf);

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