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brcmfmac: add possibility to obtain firmware error 

The feature module needs to evaluate the actual firmware error return
upon a control command. This adds a flag to struct brcmf_if that the
caller can set. This flag is checked to determine the error code that
needs to be returned.

Fixes: b69c1df472 ("brcmfmac: separate firmware errors from i/o errors")
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 2018-02-28 21:15:19 +01:00 committed by Kalle Valo
parent f0ab68d21b
commit 933897342d
3 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
View File

@ -181,6 +181,7 @@ enum brcmf_netif_stop_reason {
* @netif_stop_lock: spinlock for update netif_stop from multiple sources.
* @pend_8021x_cnt: tracks outstanding number of 802.1x frames.
* @pend_8021x_wait: used for signalling change in count.
* @fwil_fwerr: flag indicating fwil layer should return firmware error codes.
*/
struct brcmf_if {
struct brcmf_pub *drvr;
@ -198,6 +199,7 @@ struct brcmf_if {
wait_queue_head_t pend_8021x_wait;
struct in6_addr ipv6_addr_tbl[NDOL_MAX_ENTRIES];
u8 ipv6addr_idx;
bool fwil_fwerr;
};
int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp);

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

@ -104,6 +104,9 @@ static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp,
u32 data;
int err;
/* we need to know firmware error */
ifp->fwil_fwerr = true;
err = brcmf_fil_iovar_int_get(ifp, name, &data);
if (err == 0) {
brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]);
@ -112,6 +115,8 @@ static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp,
brcmf_dbg(TRACE, "%s feature check failed: %d\n",
brcmf_feat_names[id], err);
}
ifp->fwil_fwerr = false;
}
static void brcmf_feat_iovar_data_set(struct brcmf_if *ifp,
@ -120,6 +125,9 @@ static void brcmf_feat_iovar_data_set(struct brcmf_if *ifp,
{
int err;
/* we need to know firmware error */
ifp->fwil_fwerr = true;
err = brcmf_fil_iovar_data_set(ifp, name, data, len);
if (err != -BRCMF_FW_UNSUPPORTED) {
brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]);
@ -128,6 +136,8 @@ static void brcmf_feat_iovar_data_set(struct brcmf_if *ifp,
brcmf_dbg(TRACE, "%s feature check failed: %d\n",
brcmf_feat_names[id], err);
}
ifp->fwil_fwerr = false;
}
#define MAX_CAPS_BUFFER_SIZE 512

3
drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c
View File

@ -131,6 +131,9 @@ brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set)
brcmf_fil_get_errstr((u32)(-fwerr)), fwerr);
err = -EBADE;
}
if (ifp->fwil_fwerr)
return fwerr;
return err;
}