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brcmfmac: print firmware reported general status errors 

Firmware may report general errors using a special message type. Add
basic support for it by simply decoding & printing an error number.

A sample situation in which firmware reports a buf error:
CONSOLE: 027084.733 no host response IOCTL buffer available..so fail the request
will now produce a "Firmware reported general error: 9" on the host.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Rafał Miłecki 2019-02-21 11:33:25 +01:00 committed by Kalle Valo
parent 0c7051610c
commit c913774951
1 changed files with 24 additions and 0 deletions
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24
drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
View File

@ -134,6 +134,14 @@ struct msgbuf_completion_hdr {
__le16 flow_ring_id;
};
/* Data struct for the MSGBUF_TYPE_GEN_STATUS */
struct msgbuf_gen_status {
struct msgbuf_common_hdr msg;
struct msgbuf_completion_hdr compl_hdr;
__le16 write_idx;
__le32 rsvd0[3];
};
/* Data struct for the MSGBUF_TYPE_RING_STATUS */
struct msgbuf_ring_status {
struct msgbuf_common_hdr msg;
@ -1194,6 +1202,18 @@ brcmf_msgbuf_process_rx_complete(struct brcmf_msgbuf *msgbuf, void *buf)
brcmf_netif_rx(ifp, skb);
}
static void brcmf_msgbuf_process_gen_status(struct brcmf_msgbuf *msgbuf,
void *buf)
{
struct msgbuf_gen_status *gen_status = buf;
struct brcmf_pub *drvr = msgbuf->drvr;
int err;
err = le16_to_cpu(gen_status->compl_hdr.status);
if (err)
bphy_err(drvr, "Firmware reported general error: %d\n", err);
}
static void brcmf_msgbuf_process_ring_status(struct brcmf_msgbuf *msgbuf,
void *buf)
{
@ -1273,6 +1293,10 @@ static void brcmf_msgbuf_process_msgtype(struct brcmf_msgbuf *msgbuf, void *buf)
msg = (struct msgbuf_common_hdr *)buf;
switch (msg->msgtype) {
case MSGBUF_TYPE_GEN_STATUS:
brcmf_dbg(MSGBUF, "MSGBUF_TYPE_GEN_STATUS\n");
brcmf_msgbuf_process_gen_status(msgbuf, buf);
break;
case MSGBUF_TYPE_RING_STATUS:
brcmf_dbg(MSGBUF, "MSGBUF_TYPE_RING_STATUS\n");
brcmf_msgbuf_process_ring_status(msgbuf, buf);