diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c index 2afd850f22c..cb1414d93a6 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c @@ -14,6 +14,7 @@ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/types.h> +#include <linux/module.h> #include <linux/if_ether.h> #include <linux/spinlock.h> #include <linux/skbuff.h> @@ -124,10 +125,6 @@ static const char *brcmf_fws_get_tlv_name(enum brcmf_fws_tlv_type id) #define BRCMF_FWS_STATE_OPEN 1 #define BRCMF_FWS_STATE_CLOSE 2 -#define BRCMF_FWS_FCMODE_NONE 0 -#define BRCMF_FWS_FCMODE_IMPLIED_CREDIT 1 -#define BRCMF_FWS_FCMODE_EXPLICIT_CREDIT 2 - #define BRCMF_FWS_MAC_DESC_TABLE_SIZE 32 #define BRCMF_FWS_MAX_IFNUM 16 #define BRCMF_FWS_MAC_DESC_ID_INVALID 0xff @@ -245,6 +242,12 @@ struct brcmf_skbuff_cb { BRCMF_SKB_HTOD_TAG_ ## field ## _MASK, \ BRCMF_SKB_HTOD_TAG_ ## field ## _SHIFT) +enum brcmf_fws_fcmode { + BRCMF_FWS_FCMODE_NONE, + BRCMF_FWS_FCMODE_IMPLIED_CREDIT, + BRCMF_FWS_FCMODE_EXPLICIT_CREDIT +}; + /** * struct brcmf_fws_mac_descriptor - firmware signalling data per node/interface * @@ -328,9 +331,14 @@ struct brcmf_fws_info { struct brcmf_fws_hanger hanger; struct brcmf_fws_mac_descriptor nodes[BRCMF_FWS_MAC_DESC_TABLE_SIZE]; struct brcmf_fws_mac_descriptor other; + enum brcmf_fws_fcmode fcmode; int fifo_credit[NL80211_NUM_ACS+1+1]; }; +static int fcmode; +module_param(fcmode, int, S_IRUSR); +MODULE_PARM_DESC(fcmode, "mode of firmware signalled flow control"); + /** * brcmf_fws_get_tlv_len() - returns defined length for given tlv id. */ @@ -745,6 +753,7 @@ int brcmf_fws_init(struct brcmf_pub *drvr) /* set linkage back */ drvr->fws->drvr = drvr; + drvr->fws->fcmode = fcmode; /* TODO: remove upon feature delivery */ brcmf_err("%s bdcv2 tlv signaling [%x]\n", @@ -920,3 +929,12 @@ void brcmf_fws_del_interface(struct brcmf_if *ifp) brcmf_fws_cleanup(ifp->drvr->fws, ifp->ifidx); kfree(entry); } + +bool brcmf_fws_fc_active(struct brcmf_fws_info *fws) +{ + if (!fws) + return false; + + brcmf_dbg(TRACE, "enter: mode=%d\n", fws->fcmode); + return fws->fcmode != BRCMF_FWS_FCMODE_NONE; +} |