From: Rafał Miłecki <[email protected]> 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: Rafał Miłecki <[email protected]> --- .../broadcom/brcm80211/brcmfmac/msgbuf.c | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c index 4e8397a0cbc8..bbef2d41cb3b 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c @@ -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); -- 2.20.1
