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brcmfmac: keep ARP and ND offload enabled during WOWL 

Currently ARP and ND (IPv6 Neigbor Discovery) offload get disabled
on entering suspend. However when firmwares support the wowl_cap
iovar then these offload routines can be kept enabled as they
will work during WOWL as well.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Hante Meuleman 2016-02-17 11:27:05 +01:00 committed by Kalle Valo
parent 8ea56be086
commit 73ef9e640e
3 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
View File

@ -3556,7 +3556,8 @@ static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
brcmf_report_wowl_wakeind(wiphy, ifp);
brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0);
brcmf_configure_arp_nd_offload(ifp, true);
if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND))
brcmf_configure_arp_nd_offload(ifp, true);
brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
cfg->wowl.pre_pmmode);
cfg->wowl.active = false;
@ -3580,7 +3581,8 @@ static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
brcmf_dbg(TRACE, "Suspend, wowl config.\n");
brcmf_configure_arp_nd_offload(ifp, false);
if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND))
brcmf_configure_arp_nd_offload(ifp, false);
brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->wowl.pre_pmmode);
brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);

1
drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
View File

@ -147,6 +147,7 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL)) {
err = brcmf_fil_iovar_int_get(ifp, "wowl_cap", &wowl_cap);
if (!err) {
ifp->drvr->feat_flags |= BIT(BRCMF_FEAT_WOWL_ARP_ND);
if (wowl_cap & BRCMF_WOWL_PFN_FOUND)
ifp->drvr->feat_flags |=
BIT(BRCMF_FEAT_WOWL_ND);

4
drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h
View File

@ -29,6 +29,7 @@
* SCAN_RANDOM_MAC: Random MAC during (net detect) scheduled scan.
* WOWL_ND: WOWL net detect (PNO)
* WOWL_GTK: (WOWL) GTK rekeying offload
* WOWL_ARP_ND: ARP and Neighbor Discovery offload support during WOWL.
*/
#define BRCMF_FEAT_LIST \
BRCMF_FEAT_DEF(MBSS) \
@ -40,7 +41,8 @@
BRCMF_FEAT_DEF(TDLS) \
BRCMF_FEAT_DEF(SCAN_RANDOM_MAC) \
BRCMF_FEAT_DEF(WOWL_ND) \
BRCMF_FEAT_DEF(WOWL_GTK)
BRCMF_FEAT_DEF(WOWL_GTK) \
BRCMF_FEAT_DEF(WOWL_ARP_ND)
/*
* Quirks: