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brcmfmac: separate firmware errors from i/o errors

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When using the firmware api it can fail simply because firmware does
not like the request or it fails due to issues in the host interface.
Currently, there is only a single error code which is confusing. So
adding a parameter to pass the firmware error separately and in case
of a firmware error always return -EBADE to user-space.

Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Arend Van Spriel 2018-01-22 21:46:40 +01:00 committed by Kalle Valo
parent 5242a5444e
commit b69c1df472
4 changed files with 31 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c
View File

@ -165,7 +165,7 @@ static int brcmf_proto_bcdc_cmplt(struct brcmf_pub *drvr, u32 id, u32 len)
static int
brcmf_proto_bcdc_query_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
void *buf, uint len)
void *buf, uint len, int *fwerr)
{
struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd;
struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg;
@ -175,6 +175,7 @@ brcmf_proto_bcdc_query_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
brcmf_dbg(BCDC, "Enter, cmd %d len %d\n", cmd, len);
*fwerr = 0;
ret = brcmf_proto_bcdc_msg(drvr, ifidx, cmd, buf, len, false);
if (ret < 0) {
brcmf_err("brcmf_proto_bcdc_msg failed w/status %d\n",
@ -215,15 +216,14 @@ retry:
/* Check the ERROR flag */
if (flags & BCDC_DCMD_ERROR)
ret = le32_to_cpu(msg->status);
*fwerr = le32_to_cpu(msg->status);
done:
return ret;
}
static int
brcmf_proto_bcdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
void *buf, uint len)
void *buf, uint len, int *fwerr)
{
struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd;
struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg;
@ -232,6 +232,7 @@ brcmf_proto_bcdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
brcmf_dbg(BCDC, "Enter, cmd %d len %d\n", cmd, len);
*fwerr = 0;
ret = brcmf_proto_bcdc_msg(drvr, ifidx, cmd, buf, len, true);
if (ret < 0)
goto done;
@ -255,7 +256,7 @@ brcmf_proto_bcdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
/* Check the ERROR flag */
if (flags & BCDC_DCMD_ERROR)
ret = le32_to_cpu(msg->status);
*fwerr = le32_to_cpu(msg->status);
done:
return ret;

16
drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c
View File

@ -107,7 +107,7 @@ static s32
brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set)
{
struct brcmf_pub *drvr = ifp->drvr;
s32 err;
s32 err, fwerr;
if (drvr->bus_if->state != BRCMF_BUS_UP) {
brcmf_err("bus is down. we have nothing to do.\n");
@ -117,14 +117,20 @@ brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set)
if (data != NULL)
len = min_t(uint, len, BRCMF_DCMD_MAXLEN);
if (set)
err = brcmf_proto_set_dcmd(drvr, ifp->ifidx, cmd, data, len);
err = brcmf_proto_set_dcmd(drvr, ifp->ifidx, cmd,
data, len, &fwerr);
else
err = brcmf_proto_query_dcmd(drvr, ifp->ifidx, cmd, data, len);
err = brcmf_proto_query_dcmd(drvr, ifp->ifidx, cmd,
data, len, &fwerr);
if (err)
if (err) {
brcmf_dbg(FIL, "Failed: %s (%d)\n",
brcmf_fil_get_errstr((u32)(-err)), err);
} else if (fwerr < 0) {
brcmf_dbg(FIL, "Firmware error: %s (%d)\n",
brcmf_fil_get_errstr((u32)(-fwerr)), fwerr);
err = -EBADE;
}
return err;
}

10
drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
View File

@ -477,7 +477,7 @@ static void brcmf_msgbuf_ioctl_resp_wake(struct brcmf_msgbuf *msgbuf)
static int brcmf_msgbuf_query_dcmd(struct brcmf_pub *drvr, int ifidx,
uint cmd, void *buf, uint len)
uint cmd, void *buf, uint len, int *fwerr)
{
struct brcmf_msgbuf *msgbuf = (struct brcmf_msgbuf *)drvr->proto->pd;
struct sk_buff *skb = NULL;
@ -485,6 +485,7 @@ static int brcmf_msgbuf_query_dcmd(struct brcmf_pub *drvr, int ifidx,
int err;
brcmf_dbg(MSGBUF, "ifidx=%d, cmd=%d, len=%d\n", ifidx, cmd, len);
*fwerr = 0;
msgbuf->ctl_completed = false;
err = brcmf_msgbuf_tx_ioctl(drvr, ifidx, cmd, buf, len);
if (err)
@ -508,14 +509,15 @@ static int brcmf_msgbuf_query_dcmd(struct brcmf_pub *drvr, int ifidx,
}
brcmu_pkt_buf_free_skb(skb);
return msgbuf->ioctl_resp_status;
*fwerr = msgbuf->ioctl_resp_status;
return 0;
}
static int brcmf_msgbuf_set_dcmd(struct brcmf_pub *drvr, int ifidx,
uint cmd, void *buf, uint len)
uint cmd, void *buf, uint len, int *fwerr)
{
return brcmf_msgbuf_query_dcmd(drvr, ifidx, cmd, buf, len);
return brcmf_msgbuf_query_dcmd(drvr, ifidx, cmd, buf, len, fwerr);
}

14
drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h
View File

@ -30,9 +30,9 @@ struct brcmf_proto {
int (*hdrpull)(struct brcmf_pub *drvr, bool do_fws,
struct sk_buff *skb, struct brcmf_if **ifp);
int (*query_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd,
void *buf, uint len);
void *buf, uint len, int *fwerr);
int (*set_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf,
uint len);
uint len, int *fwerr);
int (*tx_queue_data)(struct brcmf_pub *drvr, int ifidx,
struct sk_buff *skb);
int (*txdata)(struct brcmf_pub *drvr, int ifidx, u8 offset,
@ -71,14 +71,16 @@ static inline int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws,
return drvr->proto->hdrpull(drvr, do_fws, skb, ifp);
}
static inline int brcmf_proto_query_dcmd(struct brcmf_pub *drvr, int ifidx,
uint cmd, void *buf, uint len)
uint cmd, void *buf, uint len,
int *fwerr)
{
return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len);
return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len,fwerr);
}
static inline int brcmf_proto_set_dcmd(struct brcmf_pub *drvr, int ifidx,
uint cmd, void *buf, uint len)
uint cmd, void *buf, uint len,
int *fwerr)
{
return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len);
return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len, fwerr);
}
static inline int brcmf_proto_tx_queue_data(struct brcmf_pub *drvr, int ifidx,