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authorArend van Spriel <arend@broadcom.com>2011-10-05 13:19:03 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-10-11 15:55:30 -0400
commit5b435de0d786869c95d1962121af0d7df2542009 (patch)
tree9b7cfbc4aa9f1ec0e719e3a0c677bd9f4e56540d /drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c
parent5f68a2b0a890d086e40fc7b55f4a0c32c28bc0d2 (diff)
downloadblackbird-op-linux-5b435de0d786869c95d1962121af0d7df2542009.tar.gz
blackbird-op-linux-5b435de0d786869c95d1962121af0d7df2542009.zip
net: wireless: add brcm80211 drivers
Add the brcm80211 tree to drivers/net/wireless, and disable the version that's in drivers/staging. This version includes the sources currently in staging, plus any changes that have been sent out for review. Sources in staging will be deleted in a followup patch. Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c872
1 files changed, 872 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c
new file mode 100644
index 000000000000..4075fd74dd92
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c
@@ -0,0 +1,872 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/sched.h>
+#include <linux/netdevice.h>
+#include <asm/unaligned.h>
+#include <defs.h>
+#include <brcmu_wifi.h>
+#include <brcmu_utils.h>
+#include "dhd.h"
+#include "dhd_bus.h"
+#include "dhd_proto.h"
+#include "dhd_dbg.h"
+
+#define BRCM_OUI "\x00\x10\x18"
+#define DOT11_OUI_LEN 3
+#define BCMILCP_BCM_SUBTYPE_EVENT 1
+#define PKTFILTER_BUF_SIZE 2048
+#define BRCMF_ARPOL_MODE 0xb /* agent|snoop|peer_autoreply */
+
+int brcmf_msg_level;
+
+#define MSGTRACE_VERSION 1
+
+#define BRCMF_PKT_FILTER_FIXED_LEN offsetof(struct brcmf_pkt_filter, u)
+#define BRCMF_PKT_FILTER_PATTERN_FIXED_LEN \
+ offsetof(struct brcmf_pkt_filter_pattern, mask_and_pattern)
+
+#ifdef BCMDBG
+static const char brcmf_version[] =
+ "Dongle Host Driver, version " BRCMF_VERSION_STR "\nCompiled on "
+ __DATE__ " at " __TIME__;
+#else
+static const char brcmf_version[] =
+ "Dongle Host Driver, version " BRCMF_VERSION_STR;
+#endif
+
+/* Message trace header */
+struct msgtrace_hdr {
+ u8 version;
+ u8 spare;
+ __be16 len; /* Len of the trace */
+ __be32 seqnum; /* Sequence number of message. Useful
+ * if the messsage has been lost
+ * because of DMA error or a bus reset
+ * (ex: SDIO Func2)
+ */
+ __be32 discarded_bytes; /* Number of discarded bytes because of
+ trace overflow */
+ __be32 discarded_printf; /* Number of discarded printf
+ because of trace overflow */
+} __packed;
+
+void brcmf_c_init(void)
+{
+ /* Init global variables at run-time, not as part of the declaration.
+ * This is required to support init/de-init of the driver.
+ * Initialization
+ * of globals as part of the declaration results in non-deterministic
+ * behaviour since the value of the globals may be different on the
+ * first time that the driver is initialized vs subsequent
+ * initializations.
+ */
+ brcmf_msg_level = BRCMF_ERROR_VAL;
+}
+
+bool brcmf_c_prec_enq(struct brcmf_pub *drvr, struct pktq *q,
+ struct sk_buff *pkt, int prec)
+{
+ struct sk_buff *p;
+ int eprec = -1; /* precedence to evict from */
+ bool discard_oldest;
+
+ /* Fast case, precedence queue is not full and we are also not
+ * exceeding total queue length
+ */
+ if (!pktq_pfull(q, prec) && !pktq_full(q)) {
+ brcmu_pktq_penq(q, prec, pkt);
+ return true;
+ }
+
+ /* Determine precedence from which to evict packet, if any */
+ if (pktq_pfull(q, prec))
+ eprec = prec;
+ else if (pktq_full(q)) {
+ p = brcmu_pktq_peek_tail(q, &eprec);
+ if (eprec > prec)
+ return false;
+ }
+
+ /* Evict if needed */
+ if (eprec >= 0) {
+ /* Detect queueing to unconfigured precedence */
+ discard_oldest = ac_bitmap_tst(drvr->wme_dp, eprec);
+ if (eprec == prec && !discard_oldest)
+ return false; /* refuse newer (incoming) packet */
+ /* Evict packet according to discard policy */
+ p = discard_oldest ? brcmu_pktq_pdeq(q, eprec) :
+ brcmu_pktq_pdeq_tail(q, eprec);
+ if (p == NULL)
+ brcmf_dbg(ERROR, "brcmu_pktq_penq() failed, oldest %d\n",
+ discard_oldest);
+
+ brcmu_pkt_buf_free_skb(p);
+ }
+
+ /* Enqueue */
+ p = brcmu_pktq_penq(q, prec, pkt);
+ if (p == NULL)
+ brcmf_dbg(ERROR, "brcmu_pktq_penq() failed\n");
+
+ return p != NULL;
+}
+
+#ifdef BCMDBG
+static void
+brcmf_c_show_host_event(struct brcmf_event_msg *event, void *event_data)
+{
+ uint i, status, reason;
+ bool group = false, flush_txq = false, link = false;
+ char *auth_str, *event_name;
+ unsigned char *buf;
+ char err_msg[256], eabuf[ETHER_ADDR_STR_LEN];
+ static struct {
+ uint event;
+ char *event_name;
+ } event_names[] = {
+ {
+ BRCMF_E_SET_SSID, "SET_SSID"}, {
+ BRCMF_E_JOIN, "JOIN"}, {
+ BRCMF_E_START, "START"}, {
+ BRCMF_E_AUTH, "AUTH"}, {
+ BRCMF_E_AUTH_IND, "AUTH_IND"}, {
+ BRCMF_E_DEAUTH, "DEAUTH"}, {
+ BRCMF_E_DEAUTH_IND, "DEAUTH_IND"}, {
+ BRCMF_E_ASSOC, "ASSOC"}, {
+ BRCMF_E_ASSOC_IND, "ASSOC_IND"}, {
+ BRCMF_E_REASSOC, "REASSOC"}, {
+ BRCMF_E_REASSOC_IND, "REASSOC_IND"}, {
+ BRCMF_E_DISASSOC, "DISASSOC"}, {
+ BRCMF_E_DISASSOC_IND, "DISASSOC_IND"}, {
+ BRCMF_E_QUIET_START, "START_QUIET"}, {
+ BRCMF_E_QUIET_END, "END_QUIET"}, {
+ BRCMF_E_BEACON_RX, "BEACON_RX"}, {
+ BRCMF_E_LINK, "LINK"}, {
+ BRCMF_E_MIC_ERROR, "MIC_ERROR"}, {
+ BRCMF_E_NDIS_LINK, "NDIS_LINK"}, {
+ BRCMF_E_ROAM, "ROAM"}, {
+ BRCMF_E_TXFAIL, "TXFAIL"}, {
+ BRCMF_E_PMKID_CACHE, "PMKID_CACHE"}, {
+ BRCMF_E_RETROGRADE_TSF, "RETROGRADE_TSF"}, {
+ BRCMF_E_PRUNE, "PRUNE"}, {
+ BRCMF_E_AUTOAUTH, "AUTOAUTH"}, {
+ BRCMF_E_EAPOL_MSG, "EAPOL_MSG"}, {
+ BRCMF_E_SCAN_COMPLETE, "SCAN_COMPLETE"}, {
+ BRCMF_E_ADDTS_IND, "ADDTS_IND"}, {
+ BRCMF_E_DELTS_IND, "DELTS_IND"}, {
+ BRCMF_E_BCNSENT_IND, "BCNSENT_IND"}, {
+ BRCMF_E_BCNRX_MSG, "BCNRX_MSG"}, {
+ BRCMF_E_BCNLOST_MSG, "BCNLOST_MSG"}, {
+ BRCMF_E_ROAM_PREP, "ROAM_PREP"}, {
+ BRCMF_E_PFN_NET_FOUND, "PNO_NET_FOUND"}, {
+ BRCMF_E_PFN_NET_LOST, "PNO_NET_LOST"}, {
+ BRCMF_E_RESET_COMPLETE, "RESET_COMPLETE"}, {
+ BRCMF_E_JOIN_START, "JOIN_START"}, {
+ BRCMF_E_ROAM_START, "ROAM_START"}, {
+ BRCMF_E_ASSOC_START, "ASSOC_START"}, {
+ BRCMF_E_IBSS_ASSOC, "IBSS_ASSOC"}, {
+ BRCMF_E_RADIO, "RADIO"}, {
+ BRCMF_E_PSM_WATCHDOG, "PSM_WATCHDOG"}, {
+ BRCMF_E_PROBREQ_MSG, "PROBREQ_MSG"}, {
+ BRCMF_E_SCAN_CONFIRM_IND, "SCAN_CONFIRM_IND"}, {
+ BRCMF_E_PSK_SUP, "PSK_SUP"}, {
+ BRCMF_E_COUNTRY_CODE_CHANGED, "COUNTRY_CODE_CHANGED"}, {
+ BRCMF_E_EXCEEDED_MEDIUM_TIME, "EXCEEDED_MEDIUM_TIME"}, {
+ BRCMF_E_ICV_ERROR, "ICV_ERROR"}, {
+ BRCMF_E_UNICAST_DECODE_ERROR, "UNICAST_DECODE_ERROR"}, {
+ BRCMF_E_MULTICAST_DECODE_ERROR, "MULTICAST_DECODE_ERROR"}, {
+ BRCMF_E_TRACE, "TRACE"}, {
+ BRCMF_E_ACTION_FRAME, "ACTION FRAME"}, {
+ BRCMF_E_ACTION_FRAME_COMPLETE, "ACTION FRAME TX COMPLETE"}, {
+ BRCMF_E_IF, "IF"}, {
+ BRCMF_E_RSSI, "RSSI"}, {
+ BRCMF_E_PFN_SCAN_COMPLETE, "SCAN_COMPLETE"}
+ };
+ uint event_type, flags, auth_type, datalen;
+ static u32 seqnum_prev;
+ struct msgtrace_hdr hdr;
+ u32 nblost;
+ char *s, *p;
+
+ event_type = be32_to_cpu(event->event_type);
+ flags = be16_to_cpu(event->flags);
+ status = be32_to_cpu(event->status);
+ reason = be32_to_cpu(event->reason);
+ auth_type = be32_to_cpu(event->auth_type);
+ datalen = be32_to_cpu(event->datalen);
+ /* debug dump of event messages */
+ sprintf(eabuf, "%pM", event->addr);
+
+ event_name = "UNKNOWN";
+ for (i = 0; i < ARRAY_SIZE(event_names); i++) {
+ if (event_names[i].event == event_type)
+ event_name = event_names[i].event_name;
+ }
+
+ brcmf_dbg(EVENT, "EVENT: %s, event ID = %d\n", event_name, event_type);
+ brcmf_dbg(EVENT, "flags 0x%04x, status %d, reason %d, auth_type %d MAC %s\n",
+ flags, status, reason, auth_type, eabuf);
+
+ if (flags & BRCMF_EVENT_MSG_LINK)
+ link = true;
+ if (flags & BRCMF_EVENT_MSG_GROUP)
+ group = true;
+ if (flags & BRCMF_EVENT_MSG_FLUSHTXQ)
+ flush_txq = true;
+
+ switch (event_type) {
+ case BRCMF_E_START:
+ case BRCMF_E_DEAUTH:
+ case BRCMF_E_DISASSOC:
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf);
+ break;
+
+ case BRCMF_E_ASSOC_IND:
+ case BRCMF_E_REASSOC_IND:
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf);
+ break;
+
+ case BRCMF_E_ASSOC:
+ case BRCMF_E_REASSOC:
+ if (status == BRCMF_E_STATUS_SUCCESS)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, SUCCESS\n",
+ event_name, eabuf);
+ else if (status == BRCMF_E_STATUS_TIMEOUT)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, TIMEOUT\n",
+ event_name, eabuf);
+ else if (status == BRCMF_E_STATUS_FAIL)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, FAILURE, reason %d\n",
+ event_name, eabuf, (int)reason);
+ else
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, unexpected status %d\n",
+ event_name, eabuf, (int)status);
+ break;
+
+ case BRCMF_E_DEAUTH_IND:
+ case BRCMF_E_DISASSOC_IND:
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, reason %d\n",
+ event_name, eabuf, (int)reason);
+ break;
+
+ case BRCMF_E_AUTH:
+ case BRCMF_E_AUTH_IND:
+ if (auth_type == WLAN_AUTH_OPEN)
+ auth_str = "Open System";
+ else if (auth_type == WLAN_AUTH_SHARED_KEY)
+ auth_str = "Shared Key";
+ else {
+ sprintf(err_msg, "AUTH unknown: %d", (int)auth_type);
+ auth_str = err_msg;
+ }
+ if (event_type == BRCMF_E_AUTH_IND)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s\n",
+ event_name, eabuf, auth_str);
+ else if (status == BRCMF_E_STATUS_SUCCESS)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, SUCCESS\n",
+ event_name, eabuf, auth_str);
+ else if (status == BRCMF_E_STATUS_TIMEOUT)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, TIMEOUT\n",
+ event_name, eabuf, auth_str);
+ else if (status == BRCMF_E_STATUS_FAIL) {
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, FAILURE, reason %d\n",
+ event_name, eabuf, auth_str, (int)reason);
+ }
+
+ break;
+
+ case BRCMF_E_JOIN:
+ case BRCMF_E_ROAM:
+ case BRCMF_E_SET_SSID:
+ if (status == BRCMF_E_STATUS_SUCCESS)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n",
+ event_name, eabuf);
+ else if (status == BRCMF_E_STATUS_FAIL)
+ brcmf_dbg(EVENT, "MACEVENT: %s, failed\n", event_name);
+ else if (status == BRCMF_E_STATUS_NO_NETWORKS)
+ brcmf_dbg(EVENT, "MACEVENT: %s, no networks found\n",
+ event_name);
+ else
+ brcmf_dbg(EVENT, "MACEVENT: %s, unexpected status %d\n",
+ event_name, (int)status);
+ break;
+
+ case BRCMF_E_BEACON_RX:
+ if (status == BRCMF_E_STATUS_SUCCESS)
+ brcmf_dbg(EVENT, "MACEVENT: %s, SUCCESS\n", event_name);
+ else if (status == BRCMF_E_STATUS_FAIL)
+ brcmf_dbg(EVENT, "MACEVENT: %s, FAIL\n", event_name);
+ else
+ brcmf_dbg(EVENT, "MACEVENT: %s, status %d\n",
+ event_name, status);
+ break;
+
+ case BRCMF_E_LINK:
+ brcmf_dbg(EVENT, "MACEVENT: %s %s\n",
+ event_name, link ? "UP" : "DOWN");
+ break;
+
+ case BRCMF_E_MIC_ERROR:
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, Group %d, Flush %d\n",
+ event_name, eabuf, group, flush_txq);
+ break;
+
+ case BRCMF_E_ICV_ERROR:
+ case BRCMF_E_UNICAST_DECODE_ERROR:
+ case BRCMF_E_MULTICAST_DECODE_ERROR:
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf);
+ break;
+
+ case BRCMF_E_TXFAIL:
+ brcmf_dbg(EVENT, "MACEVENT: %s, RA %s\n", event_name, eabuf);
+ break;
+
+ case BRCMF_E_SCAN_COMPLETE:
+ case BRCMF_E_PMKID_CACHE:
+ brcmf_dbg(EVENT, "MACEVENT: %s\n", event_name);
+ break;
+
+ case BRCMF_E_PFN_NET_FOUND:
+ case BRCMF_E_PFN_NET_LOST:
+ case BRCMF_E_PFN_SCAN_COMPLETE:
+ brcmf_dbg(EVENT, "PNOEVENT: %s\n", event_name);
+ break;
+
+ case BRCMF_E_PSK_SUP:
+ case BRCMF_E_PRUNE:
+ brcmf_dbg(EVENT, "MACEVENT: %s, status %d, reason %d\n",
+ event_name, (int)status, (int)reason);
+ break;
+
+ case BRCMF_E_TRACE:
+ buf = (unsigned char *) event_data;
+ memcpy(&hdr, buf, sizeof(struct msgtrace_hdr));
+
+ if (hdr.version != MSGTRACE_VERSION) {
+ brcmf_dbg(ERROR,
+ "MACEVENT: %s [unsupported version --> brcmf"
+ " version:%d dongle version:%d]\n",
+ event_name, MSGTRACE_VERSION, hdr.version);
+ /* Reset datalen to avoid display below */
+ datalen = 0;
+ break;
+ }
+
+ /* There are 2 bytes available at the end of data */
+ *(buf + sizeof(struct msgtrace_hdr)
+ + be16_to_cpu(hdr.len)) = '\0';
+
+ if (be32_to_cpu(hdr.discarded_bytes)
+ || be32_to_cpu(hdr.discarded_printf))
+ brcmf_dbg(ERROR,
+ "WLC_E_TRACE: [Discarded traces in dongle -->"
+ " discarded_bytes %d discarded_printf %d]\n",
+ be32_to_cpu(hdr.discarded_bytes),
+ be32_to_cpu(hdr.discarded_printf));
+
+ nblost = be32_to_cpu(hdr.seqnum) - seqnum_prev - 1;
+ if (nblost > 0)
+ brcmf_dbg(ERROR, "WLC_E_TRACE: [Event lost --> seqnum "
+ " %d nblost %d\n", be32_to_cpu(hdr.seqnum),
+ nblost);
+ seqnum_prev = be32_to_cpu(hdr.seqnum);
+
+ /* Display the trace buffer. Advance from \n to \n to
+ * avoid display big
+ * printf (issue with Linux printk )
+ */
+ p = (char *)&buf[sizeof(struct msgtrace_hdr)];
+ while ((s = strstr(p, "\n")) != NULL) {
+ *s = '\0';
+ printk(KERN_DEBUG"%s\n", p);
+ p = s + 1;
+ }
+ printk(KERN_DEBUG "%s\n", p);
+
+ /* Reset datalen to avoid display below */
+ datalen = 0;
+ break;
+
+ case BRCMF_E_RSSI:
+ brcmf_dbg(EVENT, "MACEVENT: %s %d\n",
+ event_name, be32_to_cpu(*((__be32 *)event_data)));
+ break;
+
+ default:
+ brcmf_dbg(EVENT,
+ "MACEVENT: %s %d, MAC %s, status %d, reason %d, "
+ "auth %d\n", event_name, event_type, eabuf,
+ (int)status, (int)reason, (int)auth_type);
+ break;
+ }
+
+ /* show any appended data */
+ if (datalen) {
+ buf = (unsigned char *) event_data;
+ brcmf_dbg(EVENT, " data (%d) : ", datalen);
+ for (i = 0; i < datalen; i++)
+ brcmf_dbg(EVENT, " 0x%02x ", *buf++);
+ brcmf_dbg(EVENT, "\n");
+ }
+}
+#endif /* BCMDBG */
+
+int
+brcmf_c_host_event(struct brcmf_info *drvr_priv, int *ifidx, void *pktdata,
+ struct brcmf_event_msg *event, void **data_ptr)
+{
+ /* check whether packet is a BRCM event pkt */
+ struct brcmf_event *pvt_data = (struct brcmf_event *) pktdata;
+ struct brcmf_if_event *ifevent;
+ char *event_data;
+ u32 type, status;
+ u16 flags;
+ int evlen;
+
+ if (memcmp(BRCM_OUI, &pvt_data->hdr.oui[0], DOT11_OUI_LEN)) {
+ brcmf_dbg(ERROR, "mismatched OUI, bailing\n");
+ return -EBADE;
+ }
+
+ /* BRCM event pkt may be unaligned - use xxx_ua to load user_subtype. */
+ if (get_unaligned_be16(&pvt_data->hdr.usr_subtype) !=
+ BCMILCP_BCM_SUBTYPE_EVENT) {
+ brcmf_dbg(ERROR, "mismatched subtype, bailing\n");
+ return -EBADE;
+ }
+
+ *data_ptr = &pvt_data[1];
+ event_data = *data_ptr;
+
+ /* memcpy since BRCM event pkt may be unaligned. */
+ memcpy(event, &pvt_data->msg, sizeof(struct brcmf_event_msg));
+
+ type = get_unaligned_be32(&event->event_type);
+ flags = get_unaligned_be16(&event->flags);
+ status = get_unaligned_be32(&event->status);
+ evlen = get_unaligned_be32(&event->datalen) +
+ sizeof(struct brcmf_event);
+
+ switch (type) {
+ case BRCMF_E_IF:
+ ifevent = (struct brcmf_if_event *) event_data;
+ brcmf_dbg(TRACE, "if event\n");
+
+ if (ifevent->ifidx > 0 && ifevent->ifidx < BRCMF_MAX_IFS) {
+ if (ifevent->action == BRCMF_E_IF_ADD)
+ brcmf_add_if(drvr_priv, ifevent->ifidx, NULL,
+ event->ifname,
+ pvt_data->eth.h_dest,
+ ifevent->flags, ifevent->bssidx);
+ else
+ brcmf_del_if(drvr_priv, ifevent->ifidx);
+ } else {
+ brcmf_dbg(ERROR, "Invalid ifidx %d for %s\n",
+ ifevent->ifidx, event->ifname);
+ }
+
+ /* send up the if event: btamp user needs it */
+ *ifidx = brcmf_ifname2idx(drvr_priv, event->ifname);
+ break;
+
+ /* These are what external supplicant/authenticator wants */
+ case BRCMF_E_LINK:
+ case BRCMF_E_ASSOC_IND:
+ case BRCMF_E_REASSOC_IND:
+ case BRCMF_E_DISASSOC_IND:
+ case BRCMF_E_MIC_ERROR:
+ default:
+ /* Fall through: this should get _everything_ */
+
+ *ifidx = brcmf_ifname2idx(drvr_priv, event->ifname);
+ brcmf_dbg(TRACE, "MAC event %d, flags %x, status %x\n",
+ type, flags, status);
+
+ /* put it back to BRCMF_E_NDIS_LINK */
+ if (type == BRCMF_E_NDIS_LINK) {
+ u32 temp1;
+ __be32 temp2;
+
+ temp1 = get_unaligned_be32(&event->event_type);
+ brcmf_dbg(TRACE, "Converted to WLC_E_LINK type %d\n",
+ temp1);
+
+ temp2 = cpu_to_be32(BRCMF_E_NDIS_LINK);
+ memcpy((void *)(&pvt_data->msg.event_type), &temp2,
+ sizeof(pvt_data->msg.event_type));
+ }
+ break;
+ }
+
+#ifdef BCMDBG
+ brcmf_c_show_host_event(event, event_data);
+#endif /* BCMDBG */
+
+ return 0;
+}
+
+/* Convert user's input in hex pattern to byte-size mask */
+static int brcmf_c_pattern_atoh(char *src, char *dst)
+{
+ int i;
+ if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) {
+ brcmf_dbg(ERROR, "Mask invalid format. Needs to start with 0x\n");
+ return -EINVAL;
+ }
+ src = src + 2; /* Skip past 0x */
+ if (strlen(src) % 2 != 0) {
+ brcmf_dbg(ERROR, "Mask invalid format. Length must be even.\n");
+ return -EINVAL;
+ }
+ for (i = 0; *src != '\0'; i++) {
+ unsigned long res;
+ char num[3];
+ strncpy(num, src, 2);
+ num[2] = '\0';
+ if (kstrtoul(num, 16, &res))
+ return -EINVAL;
+ dst[i] = (u8)res;
+ src += 2;
+ }
+ return i;
+}
+
+void
+brcmf_c_pktfilter_offload_enable(struct brcmf_pub *drvr, char *arg, int enable,
+ int master_mode)
+{
+ unsigned long res;
+ char *argv[8];
+ int i = 0;
+ const char *str;
+ int buf_len;
+ int str_len;
+ char *arg_save = NULL, *arg_org = NULL;
+ int rc;
+ char buf[128];
+ struct brcmf_pkt_filter_enable enable_parm;
+ struct brcmf_pkt_filter_enable *pkt_filterp;
+
+ arg_save = kmalloc(strlen(arg) + 1, GFP_ATOMIC);
+ if (!arg_save)
+ goto fail;
+
+ arg_org = arg_save;
+ memcpy(arg_save, arg, strlen(arg) + 1);
+
+ argv[i] = strsep(&arg_save, " ");
+
+ i = 0;
+ if (NULL == argv[i]) {
+ brcmf_dbg(ERROR, "No args provided\n");
+ goto fail;
+ }
+
+ str = "pkt_filter_enable";
+ str_len = strlen(str);
+ strncpy(buf, str, str_len);
+ buf[str_len] = '\0';
+ buf_len = str_len + 1;
+
+ pkt_filterp = (struct brcmf_pkt_filter_enable *) (buf + str_len + 1);
+
+ /* Parse packet filter id. */
+ enable_parm.id = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ enable_parm.id = (u32)res;
+
+ /* Parse enable/disable value. */
+ enable_parm.enable = enable;
+
+ buf_len += sizeof(enable_parm);
+ memcpy((char *)pkt_filterp, &enable_parm, sizeof(enable_parm));
+
+ /* Enable/disable the specified filter. */
+ rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, buf_len);
+ rc = rc >= 0 ? 0 : rc;
+ if (rc)
+ brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n",
+ arg, rc);
+ else
+ brcmf_dbg(TRACE, "successfully added pktfilter %s\n", arg);
+
+ /* Contorl the master mode */
+ brcmu_mkiovar("pkt_filter_mode", (char *)&master_mode, 4, buf,
+ sizeof(buf));
+ rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf,
+ sizeof(buf));
+ rc = rc >= 0 ? 0 : rc;
+ if (rc)
+ brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n",
+ arg, rc);
+
+fail:
+ kfree(arg_org);
+}
+
+void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg)
+{
+ const char *str;
+ struct brcmf_pkt_filter pkt_filter;
+ struct brcmf_pkt_filter *pkt_filterp;
+ unsigned long res;
+ int buf_len;
+ int str_len;
+ int rc;
+ u32 mask_size;
+ u32 pattern_size;
+ char *argv[8], *buf = NULL;
+ int i = 0;
+ char *arg_save = NULL, *arg_org = NULL;
+
+ arg_save = kstrdup(arg, GFP_ATOMIC);
+ if (!arg_save)
+ goto fail;
+
+ arg_org = arg_save;
+
+ buf = kmalloc(PKTFILTER_BUF_SIZE, GFP_ATOMIC);
+ if (!buf)
+ goto fail;
+
+ argv[i] = strsep(&arg_save, " ");
+ while (argv[i++])
+ argv[i] = strsep(&arg_save, " ");
+
+ i = 0;
+ if (NULL == argv[i]) {
+ brcmf_dbg(ERROR, "No args provided\n");
+ goto fail;
+ }
+
+ str = "pkt_filter_add";
+ strcpy(buf, str);
+ str_len = strlen(str);
+ buf_len = str_len + 1;
+
+ pkt_filterp = (struct brcmf_pkt_filter *) (buf + str_len + 1);
+
+ /* Parse packet filter id. */
+ pkt_filter.id = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ pkt_filter.id = (u32)res;
+
+ if (NULL == argv[++i]) {
+ brcmf_dbg(ERROR, "Polarity not provided\n");
+ goto fail;
+ }
+
+ /* Parse filter polarity. */
+ pkt_filter.negate_match = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ pkt_filter.negate_match = (u32)res;
+
+ if (NULL == argv[++i]) {
+ brcmf_dbg(ERROR, "Filter type not provided\n");
+ goto fail;
+ }
+
+ /* Parse filter type. */
+ pkt_filter.type = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ pkt_filter.type = (u32)res;
+
+ if (NULL == argv[++i]) {
+ brcmf_dbg(ERROR, "Offset not provided\n");
+ goto fail;
+ }
+
+ /* Parse pattern filter offset. */
+ pkt_filter.u.pattern.offset = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ pkt_filter.u.pattern.offset = (u32)res;
+
+ if (NULL == argv[++i]) {
+ brcmf_dbg(ERROR, "Bitmask not provided\n");
+ goto fail;
+ }
+
+ /* Parse pattern filter mask. */
+ mask_size =
+ brcmf_c_pattern_atoh
+ (argv[i], (char *)pkt_filterp->u.pattern.mask_and_pattern);
+
+ if (NULL == argv[++i]) {
+ brcmf_dbg(ERROR, "Pattern not provided\n");
+ goto fail;
+ }
+
+ /* Parse pattern filter pattern. */
+ pattern_size =
+ brcmf_c_pattern_atoh(argv[i],
+ (char *)&pkt_filterp->u.pattern.
+ mask_and_pattern[mask_size]);
+
+ if (mask_size != pattern_size) {
+ brcmf_dbg(ERROR, "Mask and pattern not the same size\n");
+ goto fail;
+ }
+
+ pkt_filter.u.pattern.size_bytes = mask_size;
+ buf_len += BRCMF_PKT_FILTER_FIXED_LEN;
+ buf_len += (BRCMF_PKT_FILTER_PATTERN_FIXED_LEN + 2 * mask_size);
+
+ /* Keep-alive attributes are set in local
+ * variable (keep_alive_pkt), and
+ ** then memcpy'ed into buffer (keep_alive_pktp) since there is no
+ ** guarantee that the buffer is properly aligned.
+ */
+ memcpy((char *)pkt_filterp,
+ &pkt_filter,
+ BRCMF_PKT_FILTER_FIXED_LEN + BRCMF_PKT_FILTER_PATTERN_FIXED_LEN);
+
+ rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, buf_len);
+ rc = rc >= 0 ? 0 : rc;
+
+ if (rc)
+ brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n",
+ arg, rc);
+ else
+ brcmf_dbg(TRACE, "successfully added pktfilter %s\n", arg);
+
+fail:
+ kfree(arg_org);
+
+ kfree(buf);
+}
+
+static void brcmf_c_arp_offload_set(struct brcmf_pub *drvr, int arp_mode)
+{
+ char iovbuf[32];
+ int retcode;
+
+ brcmu_mkiovar("arp_ol", (char *)&arp_mode, 4, iovbuf, sizeof(iovbuf));
+ retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR,
+ iovbuf, sizeof(iovbuf));
+ retcode = retcode >= 0 ? 0 : retcode;
+ if (retcode)
+ brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, retcode = %d\n",
+ arp_mode, retcode);
+ else
+ brcmf_dbg(TRACE, "successfully set ARP offload mode to 0x%x\n",
+ arp_mode);
+}
+
+static void brcmf_c_arp_offload_enable(struct brcmf_pub *drvr, int arp_enable)
+{
+ char iovbuf[32];
+ int retcode;
+
+ brcmu_mkiovar("arpoe", (char *)&arp_enable, 4, iovbuf, sizeof(iovbuf));
+ retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR,
+ iovbuf, sizeof(iovbuf));
+ retcode = retcode >= 0 ? 0 : retcode;
+ if (retcode)
+ brcmf_dbg(TRACE, "failed to enable ARP offload to %d, retcode = %d\n",
+ arp_enable, retcode);
+ else
+ brcmf_dbg(TRACE, "successfully enabled ARP offload to %d\n",
+ arp_enable);
+}
+
+int brcmf_c_preinit_dcmds(struct brcmf_pub *drvr)
+{
+ char iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; /* Room for
+ "event_msgs" + '\0' + bitvec */
+ uint up = 0;
+ char buf[128], *ptr;
+ u32 dongle_align = BRCMF_SDALIGN;
+ u32 glom = 0;
+ u32 roaming = 1;
+ uint bcn_timeout = 3;
+ int scan_assoc_time = 40;
+ int scan_unassoc_time = 40;
+ int i;
+
+ brcmf_os_proto_block(drvr);
+
+ /* Set Country code */
+ if (drvr->country_code[0] != 0) {
+ if (brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_COUNTRY,
+ drvr->country_code,
+ sizeof(drvr->country_code)) < 0)
+ brcmf_dbg(ERROR, "country code setting failed\n");
+ }
+
+ /* query for 'ver' to get version info from firmware */
+ memset(buf, 0, sizeof(buf));
+ ptr = buf;
+ brcmu_mkiovar("ver", NULL, 0, buf, sizeof(buf));
+ brcmf_proto_cdc_query_dcmd(drvr, 0, BRCMF_C_GET_VAR, buf, sizeof(buf));
+ strsep(&ptr, "\n");
+ /* Print fw version info */
+ brcmf_dbg(ERROR, "Firmware version = %s\n", buf);
+
+ /* Match Host and Dongle rx alignment */
+ brcmu_mkiovar("bus:txglomalign", (char *)&dongle_align, 4, iovbuf,
+ sizeof(iovbuf));
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+
+ /* disable glom option per default */
+ brcmu_mkiovar("bus:txglom", (char *)&glom, 4, iovbuf, sizeof(iovbuf));
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+
+ /* Setup timeout if Beacons are lost and roam is off to report
+ link down */
+ brcmu_mkiovar("bcn_timeout", (char *)&bcn_timeout, 4, iovbuf,
+ sizeof(iovbuf));
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+
+ /* Enable/Disable build-in roaming to allowed ext supplicant to take
+ of romaing */
+ brcmu_mkiovar("roam_off", (char *)&roaming, 4,
+ iovbuf, sizeof(iovbuf));
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+
+ /* Force STA UP */
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_UP, (char *)&up, sizeof(up));
+
+ /* Setup event_msgs */
+ brcmu_mkiovar("event_msgs", drvr->eventmask, BRCMF_EVENTING_MASK_LEN,
+ iovbuf, sizeof(iovbuf));
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_CHANNEL_TIME,
+ (char *)&scan_assoc_time, sizeof(scan_assoc_time));
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_UNASSOC_TIME,
+ (char *)&scan_unassoc_time, sizeof(scan_unassoc_time));
+
+ /* Set and enable ARP offload feature */
+ brcmf_c_arp_offload_set(drvr, BRCMF_ARPOL_MODE);
+ brcmf_c_arp_offload_enable(drvr, true);
+
+ /* Set up pkt filter */
+ for (i = 0; i < drvr->pktfilter_count; i++) {
+ brcmf_c_pktfilter_offload_set(drvr, drvr->pktfilter[i]);
+ brcmf_c_pktfilter_offload_enable(drvr, drvr->pktfilter[i],
+ 0, true);
+ }
+
+ brcmf_os_proto_unblock(drvr);
+
+ return 0;
+}
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