From: Arend van Spriel <arend@broadcom.com>
To: Kalle Valo <kvalo@codeaurora.org>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
Hante Meuleman <meuleman@broadcom.com>,
Arend van Spriel <arend@broadcom.com>
Subject: [PATCH 04/13] brcmfmac: Cleanup pmksa cache handling code.
Date: Wed, 9 Dec 2015 11:22:43 +0100 [thread overview]
Message-ID: <1449656572-16158-5-git-send-email-arend@broadcom.com> (raw)
In-Reply-To: <1449656572-16158-1-git-send-email-arend@broadcom.com>
From: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Change-Id: Ib5026eec9652dfdfd184c2fa97e1588f9f9cb4d8
Reviewed-on: http://hnd-swgit.sj.broadcom.com:8080/5512
Signed-off-by: Arend van Spriel <arend@broadcom.com>
---
.../broadcom/brcm80211/brcmfmac/cfg80211.c | 131 +++++++++------------
.../broadcom/brcm80211/brcmfmac/cfg80211.h | 9 +-
.../broadcom/brcm80211/brcmfmac/fwil_types.h | 24 ++++
.../broadcom/brcm80211/include/brcmu_wifi.h | 23 ----
4 files changed, 82 insertions(+), 105 deletions(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 5432c46..564e533 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -3223,26 +3223,22 @@ exit:
}
static __used s32
-brcmf_update_pmklist(struct net_device *ndev,
- struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
+brcmf_update_pmklist(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp)
{
- int i, j;
- u32 pmkid_len;
+ struct brcmf_pmk_list_le *pmk_list;
+ int i;
+ u32 npmk;
+ s32 err;
- pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid);
+ pmk_list = &cfg->pmk_list;
+ npmk = le32_to_cpu(pmk_list->npmk);
- brcmf_dbg(CONN, "No of elements %d\n", pmkid_len);
- for (i = 0; i < pmkid_len; i++) {
- brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i,
- &pmk_list->pmkids.pmkid[i].BSSID);
- for (j = 0; j < WLAN_PMKID_LEN; j++)
- brcmf_dbg(CONN, "%02x\n",
- pmk_list->pmkids.pmkid[i].PMKID[j]);
- }
+ brcmf_dbg(CONN, "No of elements %d\n", npmk);
+ for (i = 0; i < npmk; i++)
+ brcmf_dbg(CONN, "PMK[%d]: %pM\n", i, &pmk_list->pmk[i].bssid);
- if (!err)
- brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info",
- (char *)pmk_list, sizeof(*pmk_list));
+ err = brcmf_fil_iovar_data_set(ifp, "pmkid_info", pmk_list,
+ sizeof(*pmk_list));
return err;
}
@@ -3253,34 +3249,37 @@ brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
{
struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
struct brcmf_if *ifp = netdev_priv(ndev);
- struct pmkid_list *pmkids = &cfg->pmk_list->pmkids;
- s32 err = 0;
- u32 pmkid_len, i;
+ struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0];
+ s32 err;
+ u32 npmk, i;
brcmf_dbg(TRACE, "Enter\n");
if (!check_vif_up(ifp->vif))
return -EIO;
- pmkid_len = le32_to_cpu(pmkids->npmkid);
- for (i = 0; i < pmkid_len; i++)
- if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
+ npmk = le32_to_cpu(cfg->pmk_list.npmk);
+ for (i = 0; i < npmk; i++)
+ if (!memcmp(pmksa->bssid, pmk[i].bssid, ETH_ALEN))
break;
- if (i < WL_NUM_PMKIDS_MAX) {
- memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
- memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
- if (i == pmkid_len) {
- pmkid_len++;
- pmkids->npmkid = cpu_to_le32(pmkid_len);
+ if (i < BRCMF_MAXPMKID) {
+ memcpy(pmk[i].bssid, pmksa->bssid, ETH_ALEN);
+ memcpy(pmk[i].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
+ if (i == npmk) {
+ npmk++;
+ cfg->pmk_list.npmk = cpu_to_le32(npmk);
}
- } else
- err = -EINVAL;
+ } else {
+ brcmf_err("Too many PMKSA entries cached %d\n", npmk);
+ return -EINVAL;
+ }
- brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
- pmkids->pmkid[pmkid_len].BSSID);
- for (i = 0; i < WLAN_PMKID_LEN; i++)
- brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]);
+ brcmf_dbg(CONN, "set_pmksa - PMK bssid: %pM =\n", pmk[npmk].bssid);
+ for (i = 0; i < WLAN_PMKID_LEN; i += 4)
+ brcmf_dbg(CONN, "%02x %02x %02x %02x\n", pmk[npmk].pmkid[i],
+ pmk[npmk].pmkid[i + 1], pmk[npmk].pmkid[i + 2],
+ pmk[npmk].pmkid[i + 3]);
- err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
+ err = brcmf_update_pmklist(cfg, ifp);
brcmf_dbg(TRACE, "Exit\n");
return err;
@@ -3288,50 +3287,39 @@ brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
static s32
brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
- struct cfg80211_pmksa *pmksa)
+ struct cfg80211_pmksa *pmksa)
{
struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
struct brcmf_if *ifp = netdev_priv(ndev);
- struct pmkid_list pmkid;
- s32 err = 0;
- u32 pmkid_len, i;
+ struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0];
+ s32 err;
+ u32 npmk, i;
brcmf_dbg(TRACE, "Enter\n");
if (!check_vif_up(ifp->vif))
return -EIO;
- memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
- memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
+ brcmf_dbg(CONN, "del_pmksa - PMK bssid = %pM\n", &pmksa->bssid);
- brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
- &pmkid.pmkid[0].BSSID);
- for (i = 0; i < WLAN_PMKID_LEN; i++)
- brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]);
-
- pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid);
- for (i = 0; i < pmkid_len; i++)
- if (!memcmp
- (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
- ETH_ALEN))
+ npmk = le32_to_cpu(cfg->pmk_list.npmk);
+ for (i = 0; i < npmk; i++)
+ if (!memcmp(&pmksa->bssid, &pmk[i].bssid, ETH_ALEN))
break;
- if ((pmkid_len > 0)
- && (i < pmkid_len)) {
- memset(&cfg->pmk_list->pmkids.pmkid[i], 0,
- sizeof(struct pmkid));
- for (; i < (pmkid_len - 1); i++) {
- memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID,
- &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID,
- ETH_ALEN);
- memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID,
- &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID,
+ if ((npmk > 0) && (i < npmk)) {
+ for (; i < (npmk - 1); i++) {
+ memcpy(&pmk[i].bssid, &pmk[i + 1].bssid, ETH_ALEN);
+ memcpy(&pmk[i].pmkid, &pmk[i + 1].pmkid,
WLAN_PMKID_LEN);
}
- cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1);
- } else
- err = -EINVAL;
+ memset(&pmk[i], 0, sizeof(*pmk));
+ cfg->pmk_list.npmk = cpu_to_le32(npmk - 1);
+ } else {
+ brcmf_err("Cache entry not found\n");
+ return -EINVAL;
+ }
- err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
+ err = brcmf_update_pmklist(cfg, ifp);
brcmf_dbg(TRACE, "Exit\n");
return err;
@@ -3343,14 +3331,14 @@ brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
{
struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
struct brcmf_if *ifp = netdev_priv(ndev);
- s32 err = 0;
+ s32 err;
brcmf_dbg(TRACE, "Enter\n");
if (!check_vif_up(ifp->vif))
return -EIO;
- memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list));
- err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
+ memset(&cfg->pmk_list, 0, sizeof(cfg->pmk_list));
+ err = brcmf_update_pmklist(cfg, ifp);
brcmf_dbg(TRACE, "Exit\n");
return err;
@@ -5249,8 +5237,6 @@ static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
cfg->escan_ioctl_buf = NULL;
kfree(cfg->extra_buf);
cfg->extra_buf = NULL;
- kfree(cfg->pmk_list);
- cfg->pmk_list = NULL;
}
static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
@@ -5264,9 +5250,6 @@ static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
if (!cfg->extra_buf)
goto init_priv_mem_out;
- cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL);
- if (!cfg->pmk_list)
- goto init_priv_mem_out;
return 0;
@@ -5971,7 +5954,7 @@ static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
- wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
+ wiphy->max_num_pmkids = BRCMF_MAXPMKID;
err = brcmf_setup_ifmodes(wiphy, ifp);
if (err)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
index ec8d1f8..397d41b 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
@@ -21,7 +21,6 @@
#include <brcmu_d11.h>
#define WL_NUM_SCAN_MAX 10
-#define WL_NUM_PMKIDS_MAX MAXPMKID
#define WL_TLV_INFO_MAX 1024
#define WL_BSS_INFO_MAX 2048
#define WL_ASSOC_INFO_MAX 512 /* assoc related fil max buf */
@@ -196,12 +195,6 @@ struct brcmf_cfg80211_assoc_ielen_le {
__le32 resp_len;
};
-/* wpa2 pmk list */
-struct brcmf_cfg80211_pmk_list {
- struct pmkid_list pmkids;
- struct pmkid foo[MAXPMKID - 1];
-};
-
/* dongle escan state */
enum wl_escan_state {
WL_ESCAN_STATE_IDLE,
@@ -359,7 +352,7 @@ struct brcmf_cfg80211_info {
struct mutex usr_sync;
struct wl_cfg80211_bss_info *bss_info;
struct brcmf_cfg80211_connect_info conn_info;
- struct brcmf_cfg80211_pmk_list *pmk_list;
+ struct brcmf_pmk_list_le pmk_list;
unsigned long scan_status;
struct brcmf_pub *pub;
u32 channel;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
index 18483e7..e56eabc 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
@@ -126,6 +126,8 @@
#define BRCMF_TXBF_SU_BFR_CAP BIT(0)
#define BRCMF_TXBF_MU_BFR_CAP BIT(1)
+#define BRCMF_MAXPMKID 16 /* max # PMKID cache entries */
+
/* join preference types for join_pref iovar */
enum brcmf_join_pref_types {
BRCMF_JOIN_PREF_RSSI = 1,
@@ -646,4 +648,26 @@ struct brcmf_wowl_wakeind_le {
__le32 ucode_wakeind;
};
+/**
+ * struct brcmf_pmksa - PMK Security Association
+ *
+ * @bssid: The AP's BSSID.
+ * @pmkid: he PMK material itself.
+ */
+struct brcmf_pmksa {
+ u8 bssid[ETH_ALEN];
+ u8 pmkid[WLAN_PMKID_LEN];
+};
+
+/**
+ * struct brcmf_pmk_list_le - List of pmksa's.
+ *
+ * @npmk: Number of pmksa's.
+ * @pmk: PMK SA information.
+ */
+struct brcmf_pmk_list_le {
+ __le32 npmk;
+ struct brcmf_pmksa pmk[BRCMF_MAXPMKID];
+};
+
#endif /* FWIL_TYPES_H_ */
diff --git a/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h b/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h
index 76b5d3a..3f68dd5 100644
--- a/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h
+++ b/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h
@@ -237,9 +237,6 @@ static inline bool ac_bitmap_tst(u8 bitmap, int prec)
#define WPA2_AUTH_RESERVED4 0x0400
#define WPA2_AUTH_RESERVED5 0x0800
-/* pmkid */
-#define MAXPMKID 16
-
#define DOT11_DEFAULT_RTS_LEN 2347
#define DOT11_DEFAULT_FRAG_LEN 2346
@@ -251,24 +248,4 @@ static inline bool ac_bitmap_tst(u8 bitmap, int prec)
#define HT_CAP_RX_STBC_NO 0x0
#define HT_CAP_RX_STBC_ONE_STREAM 0x1
-struct pmkid {
- u8 BSSID[ETH_ALEN];
- u8 PMKID[WLAN_PMKID_LEN];
-};
-
-struct pmkid_list {
- __le32 npmkid;
- struct pmkid pmkid[1];
-};
-
-struct pmkid_cand {
- u8 BSSID[ETH_ALEN];
- u8 preauth;
-};
-
-struct pmkid_cand_list {
- u32 npmkid_cand;
- struct pmkid_cand pmkid_cand[1];
-};
-
#endif /* _BRCMU_WIFI_H_ */
--
1.9.1
next prev parent reply other threads:[~2015-12-09 10:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-09 10:22 [PATCH 00/13] brcmfmac: IBSS fix and cleanup Arend van Spriel
2015-12-09 10:22 ` [PATCH 01/13] brcmfmac: Simplify scan timing configuration Arend van Spriel
2015-12-09 13:06 ` Kalle Valo
2015-12-10 10:24 ` Arend van Spriel
2015-12-10 10:38 ` Arend van Spriel
2015-12-10 10:40 ` Arend van Spriel
2015-12-10 11:39 ` Kalle Valo
2015-12-09 10:22 ` [PATCH 02/13] brcmfmac: Use local storage for ssid iovar Arend van Spriel
2015-12-09 10:22 ` [PATCH 03/13] brcmfmac: Remove some redundant cfg80211 data Arend van Spriel
2015-12-09 10:22 ` Arend van Spriel [this message]
2015-12-09 10:22 ` [PATCH 05/13] brcmfmac: Make TDLS a detectable feature Arend van Spriel
2015-12-09 10:22 ` [PATCH 06/13] brcmfmac: Add support for PCIE 4350 revision 5 device Arend van Spriel
2015-12-09 10:22 ` [PATCH 07/13] brcmfmac: no interface combination check for single interface Arend van Spriel
2015-12-09 10:22 ` [PATCH 08/13] brcmfmac: Fix IBSS setup Arend van Spriel
2015-12-09 10:22 ` [PATCH 09/13] brcmfmac: fix waitqueue_active without memory barrier in brcmfmac driver Arend van Spriel
2015-12-09 10:22 ` [PATCH 10/13] brcmfmac: add 43242 device id for LG dongle Arend van Spriel
2015-12-09 10:22 ` [PATCH 11/13] brcmfmac: Change error print in debug print Arend van Spriel
2015-12-09 10:22 ` [PATCH 12/13] brcmfmac: Move scheduled scan related interface layer structs Arend van Spriel
2015-12-09 10:22 ` [PATCH 13/13] brcmfmac: add arp offload ip address table configuration support Arend van Spriel
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