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- From: Hante Meuleman <meuleman@broadcom.com>
- Date: Wed, 17 Feb 2016 11:27:05 +0100
- Subject: [PATCH] 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>
- ---
- --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
- +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
- @@ -3556,7 +3556,8 @@ static s32 brcmf_cfg80211_resume(struct
- 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_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);
-
- --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
- +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
- @@ -147,6 +147,7 @@ void brcmf_feat_attach(struct brcmf_pub
- 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);
- --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h
- +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h
- @@ -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:
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