[05/12] brcmfmac: use wiphy debugfs dir entry

Message ID	1521195085-439-6-git-send-email-arend.vanspriel@broadcom.com (mailing list archive)
State	Changes Requested
Delegated to:	Kalle Valo
Headers	show Return-Path: <linux-wireless-owner@kernel.org> From: Arend van Spriel <arend.vanspriel@broadcom.com> To: Kalle Valo <kvalo@codeaurora.org> Cc: linux-wireless@vger.kernel.org, Arend van Spriel <arend.vanspriel@broadcom.com> Subject: [PATCH 05/12] brcmfmac: use wiphy debugfs dir entry Date: Fri, 16 Mar 2018 11:11:18 +0100 Message-Id: <1521195085-439-6-git-send-email-arend.vanspriel@broadcom.com> In-Reply-To: <1521195085-439-1-git-send-email-arend.vanspriel@broadcom.com> References: <1521195085-439-1-git-send-email-arend.vanspriel@broadcom.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c index 2d3a5dd..1068a2a 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c @@ -445,6 +445,11 @@ static void brcmf_proto_bcdc_rxreorder(struct brcmf_if *ifp, return 0; } +static void brcmf_proto_bcdc_debugfs_create(struct brcmf_pub *drvr) +{ + brcmf_fws_debugfs_create(drvr); +} + int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr) { struct brcmf_bcdc *bcdc; @@ -472,6 +477,7 @@ int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr) drvr->proto->del_if = brcmf_proto_bcdc_del_if; drvr->proto->reset_if = brcmf_proto_bcdc_reset_if; drvr->proto->init_done = brcmf_proto_bcdc_init_done; + drvr->proto->debugfs_create = brcmf_proto_bcdc_debugfs_create; drvr->proto->pd = bcdc; drvr->hdrlen += BCDC_HEADER_LEN + BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c index 23affb5..6c54cae 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c @@ -524,9 +524,6 @@ static int __init brcmfmac_module_init(void) { int err; - /* Initialize debug system first */ - brcmf_debugfs_init(); - /* Get the platform data (if available) for our devices */ err = platform_driver_probe(&brcmf_pd, brcmf_common_pd_probe); if (err == -ENODEV) @@ -538,7 +535,6 @@ static int __init brcmfmac_module_init(void) /* Continue the initialization by registering the different busses */ err = brcmf_core_init(); if (err) { - brcmf_debugfs_exit(); if (brcmfmac_pdata) platform_driver_unregister(&brcmf_pd); } @@ -551,7 +547,6 @@ static void __exit brcmfmac_module_exit(void) brcmf_core_exit(); if (brcmfmac_pdata) platform_driver_unregister(&brcmf_pd); - brcmf_debugfs_exit(); } module_init(brcmfmac_module_init); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c index 8039732..eb54785 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c @@ -972,8 +972,6 @@ static int brcmf_bus_started(struct brcmf_pub *drvr, struct cfg80211_ops *ops) if (ret < 0) goto fail; - brcmf_debugfs_add_entry(drvr, "revinfo", brcmf_revinfo_read); - brcmf_feat_attach(drvr); ret = brcmf_proto_init_done(drvr); @@ -1016,6 +1014,11 @@ static int brcmf_bus_started(struct brcmf_pub *drvr, struct cfg80211_ops *ops) #endif #endif /* CONFIG_INET */ + /* populate debugfs */ + brcmf_debugfs_add_entry(drvr, "revinfo", brcmf_revinfo_read); + brcmf_feat_debugfs_create(drvr); + brcmf_proto_debugfs_create(drvr); + return 0; fail: @@ -1068,9 +1071,6 @@ int brcmf_attach(struct device *dev, struct brcmf_mp_device *settings) drvr->bus_if->drvr = drvr; drvr->settings = settings; - /* attach debug facilities */ - brcmf_debug_attach(drvr); - /* Attach and link in the protocol */ ret = brcmf_proto_attach(drvr); if (ret != 0) { @@ -1160,7 +1160,6 @@ void brcmf_detach(struct device *dev) brcmf_proto_detach(drvr); - brcmf_debug_detach(drvr); bus_if->drvr = NULL; wiphy_free(drvr->wiphy); } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c index 2d3e5e2..5048320 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c @@ -25,8 +25,6 @@ #include "fweh.h" #include "debug.h" -static struct dentry *root_folder; - int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data, size_t len) { @@ -54,44 +52,9 @@ int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data, return 0; } -void brcmf_debugfs_init(void) -{ - root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL); - if (IS_ERR(root_folder)) - root_folder = NULL; -} - -void brcmf_debugfs_exit(void) -{ - if (!root_folder) - return; - - debugfs_remove_recursive(root_folder); - root_folder = NULL; -} - -int brcmf_debug_attach(struct brcmf_pub *drvr) -{ - struct device *dev = drvr->bus_if->dev; - - if (!root_folder) - return -ENODEV; - - drvr->dbgfs_dir = debugfs_create_dir(dev_name(dev), root_folder); - return PTR_ERR_OR_ZERO(drvr->dbgfs_dir); -} - -void brcmf_debug_detach(struct brcmf_pub *drvr) -{ - brcmf_fweh_unregister(drvr, BRCMF_E_PSM_WATCHDOG); - - if (!IS_ERR_OR_NULL(drvr->dbgfs_dir)) - debugfs_remove_recursive(drvr->dbgfs_dir); -} - struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr) { - return drvr->dbgfs_dir; + return drvr->wiphy->debugfsdir; } int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn, @@ -99,7 +62,8 @@ int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn, { struct dentry *e; + WARN(!drvr->wiphy->debugfsdir, "wiphy not (yet) registered\n"); e = debugfs_create_devm_seqfile(drvr->bus_if->dev, fn, - drvr->dbgfs_dir, read_fn); + drvr->wiphy->debugfsdir, read_fn); return PTR_ERR_OR_ZERO(e); } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h index 35919d9..cfed062 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h @@ -113,29 +113,12 @@ struct brcmf_bus; struct brcmf_pub; #ifdef DEBUG -void brcmf_debugfs_init(void); -void brcmf_debugfs_exit(void); -int brcmf_debug_attach(struct brcmf_pub *drvr); -void brcmf_debug_detach(struct brcmf_pub *drvr); struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr); int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn, int (*read_fn)(struct seq_file *seq, void *data)); int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data, size_t len); #else -static inline void brcmf_debugfs_init(void) -{ -} -static inline void brcmf_debugfs_exit(void) -{ -} -static inline int brcmf_debug_attach(struct brcmf_pub *drvr) -{ - return 0; -} -static inline void brcmf_debug_detach(struct brcmf_pub *drvr) -{ -} static inline int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn, int (*read_fn)(struct seq_file *seq, void *data)) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c index 47de35a..6835bdc 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c @@ -218,7 +218,10 @@ void brcmf_feat_attach(struct brcmf_pub *drvr) /* no quirks */ break; } +} +void brcmf_feat_debugfs_create(struct brcmf_pub *drvr) +{ brcmf_debugfs_add_entry(drvr, "features", brcmf_feat_debugfs_read); } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h index 1ab4f161..d119382 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h @@ -90,6 +90,13 @@ enum brcmf_feat_quirk { void brcmf_feat_attach(struct brcmf_pub *drvr); /** + * brcmf_feat_debugfs_create() - create debugfs entries. + * + * @drvr: driver instance. + */ +void brcmf_feat_debugfs_create(struct brcmf_pub *drvr); + +/** * brcmf_feat_is_enabled() - query feature. * * @ifp: interface instance. diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c index f59642b..f3cbf78 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c @@ -2399,10 +2399,6 @@ struct brcmf_fws_info *brcmf_fws_attach(struct brcmf_pub *drvr) brcmu_pktq_init(&fws->desc.other.psq, BRCMF_FWS_PSQ_PREC_COUNT, BRCMF_FWS_PSQ_LEN); - /* create debugfs file for statistics */ - brcmf_debugfs_add_entry(drvr, "fws_stats", - brcmf_debugfs_fws_stats_read); - brcmf_dbg(INFO, "%s bdcv2 tlv signaling [%x]\n", fws->fw_signals ? "enabled" : "disabled", tlv); return fws; @@ -2429,6 +2425,13 @@ void brcmf_fws_detach(struct brcmf_fws_info *fws) kfree(fws); } +void brcmf_fws_debugfs_create(struct brcmf_pub *drvr) +{ + /* create debugfs file for statistics */ + brcmf_debugfs_add_entry(drvr, "fws_stats", + brcmf_debugfs_fws_stats_read); +} + bool brcmf_fws_queue_skbs(struct brcmf_fws_info *fws) { return !fws->avoid_queueing; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h index ba07bd9..4e68357 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h @@ -20,6 +20,7 @@ struct brcmf_fws_info *brcmf_fws_attach(struct brcmf_pub *drvr); void brcmf_fws_detach(struct brcmf_fws_info *fws); +void brcmf_fws_debugfs_create(struct brcmf_pub *drvr); bool brcmf_fws_queue_skbs(struct brcmf_fws_info *fws); bool brcmf_fws_fc_active(struct brcmf_fws_info *fws); void brcmf_fws_hdrpull(struct brcmf_if *ifp, s16 siglen, struct sk_buff *skb); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c index e212a79..49d37ad 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c @@ -1418,6 +1418,11 @@ static int brcmf_msgbuf_stats_read(struct seq_file *seq, void *data) } #endif +static void brcmf_msgbuf_debugfs_create(struct brcmf_pub *drvr) +{ + brcmf_debugfs_add_entry(drvr, "msgbuf_stats", brcmf_msgbuf_stats_read); +} + int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr) { struct brcmf_bus_msgbuf *if_msgbuf; @@ -1472,6 +1477,7 @@ int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr) drvr->proto->delete_peer = brcmf_msgbuf_delete_peer; drvr->proto->add_tdls_peer = brcmf_msgbuf_add_tdls_peer; drvr->proto->rxreorder = brcmf_msgbuf_rxreorder; + drvr->proto->debugfs_create = brcmf_msgbuf_debugfs_create; drvr->proto->pd = msgbuf; init_waitqueue_head(&msgbuf->ioctl_resp_wait); @@ -1525,8 +1531,6 @@ int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr) spin_lock_init(&msgbuf->flowring_work_lock); INIT_LIST_HEAD(&msgbuf->work_queue); - brcmf_debugfs_add_entry(drvr, "msgbuf_stats", brcmf_msgbuf_stats_read); - return 0; fail: diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c index d26ff21..c5ff551 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.c @@ -54,7 +54,8 @@ int brcmf_proto_attach(struct brcmf_pub *drvr) if (!proto->tx_queue_data || (proto->hdrpull == NULL) || (proto->query_dcmd == NULL) || (proto->set_dcmd == NULL) || (proto->configure_addr_mode == NULL) || - (proto->delete_peer == NULL) || (proto->add_tdls_peer == NULL)) { + (proto->delete_peer == NULL) || (proto->add_tdls_peer == NULL) || + (proto->debugfs_create == NULL)) { brcmf_err("Not all proto handlers have been installed\n"); goto fail; } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h index 8a8e08f..d3c3b9a 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h @@ -48,6 +48,7 @@ struct brcmf_proto { void (*del_if)(struct brcmf_if *ifp); void (*reset_if)(struct brcmf_if *ifp); int (*init_done)(struct brcmf_pub *drvr); + void (*debugfs_create)(struct brcmf_pub *drvr); void *pd; }; @@ -156,4 +157,10 @@ static inline bool brcmf_proto_is_reorder_skb(struct sk_buff *skb) return drvr->proto->init_done(drvr); } +static inline void +brcmf_proto_debugfs_create(struct brcmf_pub *drvr) +{ + drvr->proto->debugfs_create(drvr); +} + #endif /* BRCMFMAC_PROTO_H */

[05/12] brcmfmac: use wiphy debugfs dir entry

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