4eb3af7c1d
Add basic wowl (magic packet and disconnect) support. This patch adds this support only for PCIE bus devices. This feature requires FW which has support for wowl built in. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
139 lines
3.6 KiB
C
139 lines
3.6 KiB
C
/*
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* Copyright (c) 2014 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <linux/netdevice.h>
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#include <brcm_hw_ids.h>
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#include "dhd.h"
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#include "dhd_bus.h"
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#include "dhd_dbg.h"
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#include "fwil.h"
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#include "feature.h"
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/*
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* firmware error code received if iovar is unsupported.
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*/
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#define EBRCMF_FEAT_UNSUPPORTED 23
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/*
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* expand feature list to array of feature strings.
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*/
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#define BRCMF_FEAT_DEF(_f) \
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#_f,
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static const char *brcmf_feat_names[] = {
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BRCMF_FEAT_LIST
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};
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#undef BRCMF_FEAT_DEF
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#ifdef DEBUG
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/*
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* expand quirk list to array of quirk strings.
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*/
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#define BRCMF_QUIRK_DEF(_q) \
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#_q,
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static const char * const brcmf_quirk_names[] = {
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BRCMF_QUIRK_LIST
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};
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#undef BRCMF_QUIRK_DEF
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/**
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* brcmf_feat_debugfs_read() - expose feature info to debugfs.
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*
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* @seq: sequence for debugfs entry.
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* @data: raw data pointer.
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*/
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static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data)
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{
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struct brcmf_bus *bus_if = dev_get_drvdata(seq->private);
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u32 feats = bus_if->drvr->feat_flags;
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u32 quirks = bus_if->drvr->chip_quirks;
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int id;
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seq_printf(seq, "Features: %08x\n", feats);
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for (id = 0; id < BRCMF_FEAT_LAST; id++)
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if (feats & BIT(id))
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seq_printf(seq, "\t%s\n", brcmf_feat_names[id]);
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seq_printf(seq, "\nQuirks: %08x\n", quirks);
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for (id = 0; id < BRCMF_FEAT_QUIRK_LAST; id++)
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if (quirks & BIT(id))
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seq_printf(seq, "\t%s\n", brcmf_quirk_names[id]);
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return 0;
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}
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#else
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static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data)
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{
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return 0;
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}
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#endif /* DEBUG */
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/**
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* brcmf_feat_iovar_int_get() - determine feature through iovar query.
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*
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* @ifp: interface to query.
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* @id: feature id.
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* @name: iovar name.
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*/
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static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp,
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enum brcmf_feat_id id, char *name)
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{
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u32 data;
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int err;
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err = brcmf_fil_iovar_int_get(ifp, name, &data);
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if (err == 0) {
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brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]);
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ifp->drvr->feat_flags |= BIT(id);
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} else {
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brcmf_dbg(TRACE, "%s feature check failed: %d\n",
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brcmf_feat_names[id], err);
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}
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}
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void brcmf_feat_attach(struct brcmf_pub *drvr)
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{
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struct brcmf_if *ifp = drvr->iflist[0];
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brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_MCHAN, "mchan");
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if (drvr->bus_if->wowl_supported)
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brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_WOWL, "wowl");
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/* set chip related quirks */
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switch (drvr->bus_if->chip) {
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case BRCM_CC_43236_CHIP_ID:
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drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_AUTO_AUTH);
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break;
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case BRCM_CC_4329_CHIP_ID:
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drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_NEED_MPC);
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break;
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default:
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/* no quirks */
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break;
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}
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brcmf_debugfs_add_entry(drvr, "features", brcmf_feat_debugfs_read);
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}
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bool brcmf_feat_is_enabled(struct brcmf_if *ifp, enum brcmf_feat_id id)
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{
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return (ifp->drvr->feat_flags & BIT(id));
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}
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bool brcmf_feat_is_quirk_enabled(struct brcmf_if *ifp,
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enum brcmf_feat_quirk quirk)
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{
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return (ifp->drvr->chip_quirks & BIT(quirk));
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}
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