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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: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
hifive-unleashed-5.1
Rafał Miłecki 2019-02-08 15:24:39 +01:00 committed by Kalle Valo
parent a250c91c17
commit c988b78244
1 changed files with 25 additions and 0 deletions
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25
drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
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@ -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);