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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-25 13:25:22 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-25 13:25:22 +0200
commit8a9ea3237e7eb5c25f09e429ad242ae5a3d5ea22 (patch)
treea0a63398a9983667d52cbbbf4e2405b4f22b1d83 /drivers/net/wireless/ath/ath6kl/testmode.c
parent1be025d3cb40cd295123af2c394f7229ef9b30ca (diff)
parent8b3408f8ee994973869d8ba32c5bf482bc4ddca4 (diff)
downloadlwn-8a9ea3237e7eb5c25f09e429ad242ae5a3d5ea22.tar.gz
lwn-8a9ea3237e7eb5c25f09e429ad242ae5a3d5ea22.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1745 commits) dp83640: free packet queues on remove dp83640: use proper function to free transmit time stamping packets ipv6: Do not use routes from locally generated RAs |PATCH net-next] tg3: add tx_dropped counter be2net: don't create multiple RX/TX rings in multi channel mode be2net: don't create multiple TXQs in BE2 be2net: refactor VF setup/teardown code into be_vf_setup/clear() be2net: add vlan/rx-mode/flow-control config to be_setup() net_sched: cls_flow: use skb_header_pointer() ipv4: avoid useless call of the function check_peer_pmtu TCP: remove TCP_DEBUG net: Fix driver name for mdio-gpio.c ipv4: tcp: fix TOS value in ACK messages sent from TIME_WAIT rtnetlink: Add missing manual netlink notification in dev_change_net_namespaces ipv4: fix ipsec forward performance regression jme: fix irq storm after suspend/resume route: fix ICMP redirect validation net: hold sock reference while processing tx timestamps tcp: md5: add more const attributes Add ethtool -g support to virtio_net ... Fix up conflicts in: - drivers/net/Kconfig: The split-up generated a trivial conflict with removal of a stale reference to Documentation/networking/net-modules.txt. Remove it from the new location instead. - fs/sysfs/dir.c: Fairly nasty conflicts with the sysfs rb-tree usage, conflicting with Eric Biederman's changes for tagged directories.
Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/testmode.c')
-rw-r--r--drivers/net/wireless/ath/ath6kl/testmode.c167
1 files changed, 167 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/testmode.c b/drivers/net/wireless/ath/ath6kl/testmode.c
new file mode 100644
index 000000000000..381eb66a605f
--- /dev/null
+++ b/drivers/net/wireless/ath/ath6kl/testmode.c
@@ -0,0 +1,167 @@
+/*
+ * Copyright (c) 2010-2011 Atheros Communications Inc.
+ *
+ * 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 "testmode.h"
+
+#include <net/netlink.h>
+
+enum ath6kl_tm_attr {
+ __ATH6KL_TM_ATTR_INVALID = 0,
+ ATH6KL_TM_ATTR_CMD = 1,
+ ATH6KL_TM_ATTR_DATA = 2,
+
+ /* keep last */
+ __ATH6KL_TM_ATTR_AFTER_LAST,
+ ATH6KL_TM_ATTR_MAX = __ATH6KL_TM_ATTR_AFTER_LAST - 1,
+};
+
+enum ath6kl_tm_cmd {
+ ATH6KL_TM_CMD_TCMD = 0,
+ ATH6KL_TM_CMD_RX_REPORT = 1,
+};
+
+#define ATH6KL_TM_DATA_MAX_LEN 5000
+
+static const struct nla_policy ath6kl_tm_policy[ATH6KL_TM_ATTR_MAX + 1] = {
+ [ATH6KL_TM_ATTR_CMD] = { .type = NLA_U32 },
+ [ATH6KL_TM_ATTR_DATA] = { .type = NLA_BINARY,
+ .len = ATH6KL_TM_DATA_MAX_LEN },
+};
+
+void ath6kl_tm_rx_report_event(struct ath6kl *ar, void *buf, size_t buf_len)
+{
+ if (down_interruptible(&ar->sem))
+ return;
+
+ kfree(ar->tm.rx_report);
+
+ ar->tm.rx_report = kmemdup(buf, buf_len, GFP_KERNEL);
+ ar->tm.rx_report_len = buf_len;
+
+ up(&ar->sem);
+
+ wake_up(&ar->event_wq);
+}
+
+static int ath6kl_tm_rx_report(struct ath6kl *ar, void *buf, size_t buf_len,
+ struct sk_buff *skb)
+{
+ int ret = 0;
+ long left;
+
+ if (down_interruptible(&ar->sem))
+ return -ERESTARTSYS;
+
+ if (!test_bit(WMI_READY, &ar->flag)) {
+ ret = -EIO;
+ goto out;
+ }
+
+ if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ if (ath6kl_wmi_test_cmd(ar->wmi, buf, buf_len) < 0) {
+ up(&ar->sem);
+ return -EIO;
+ }
+
+ left = wait_event_interruptible_timeout(ar->event_wq,
+ ar->tm.rx_report != NULL,
+ WMI_TIMEOUT);
+
+ if (left == 0) {
+ ret = -ETIMEDOUT;
+ goto out;
+ } else if (left < 0) {
+ ret = left;
+ goto out;
+ }
+
+ if (ar->tm.rx_report == NULL || ar->tm.rx_report_len == 0) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ NLA_PUT(skb, ATH6KL_TM_ATTR_DATA, ar->tm.rx_report_len,
+ ar->tm.rx_report);
+
+ kfree(ar->tm.rx_report);
+ ar->tm.rx_report = NULL;
+
+out:
+ up(&ar->sem);
+
+ return ret;
+
+nla_put_failure:
+ ret = -ENOBUFS;
+ goto out;
+}
+
+int ath6kl_tm_cmd(struct wiphy *wiphy, void *data, int len)
+{
+ struct ath6kl *ar = wiphy_priv(wiphy);
+ struct nlattr *tb[ATH6KL_TM_ATTR_MAX + 1];
+ int err, buf_len, reply_len;
+ struct sk_buff *skb;
+ void *buf;
+
+ err = nla_parse(tb, ATH6KL_TM_ATTR_MAX, data, len,
+ ath6kl_tm_policy);
+ if (err)
+ return err;
+
+ if (!tb[ATH6KL_TM_ATTR_CMD])
+ return -EINVAL;
+
+ switch (nla_get_u32(tb[ATH6KL_TM_ATTR_CMD])) {
+ case ATH6KL_TM_CMD_TCMD:
+ if (!tb[ATH6KL_TM_ATTR_DATA])
+ return -EINVAL;
+
+ buf = nla_data(tb[ATH6KL_TM_ATTR_DATA]);
+ buf_len = nla_len(tb[ATH6KL_TM_ATTR_DATA]);
+
+ ath6kl_wmi_test_cmd(ar->wmi, buf, buf_len);
+
+ return 0;
+
+ break;
+ case ATH6KL_TM_CMD_RX_REPORT:
+ if (!tb[ATH6KL_TM_ATTR_DATA])
+ return -EINVAL;
+
+ buf = nla_data(tb[ATH6KL_TM_ATTR_DATA]);
+ buf_len = nla_len(tb[ATH6KL_TM_ATTR_DATA]);
+
+ reply_len = nla_total_size(ATH6KL_TM_DATA_MAX_LEN);
+ skb = cfg80211_testmode_alloc_reply_skb(wiphy, reply_len);
+ if (!skb)
+ return -ENOMEM;
+
+ err = ath6kl_tm_rx_report(ar, buf, buf_len, skb);
+ if (err < 0) {
+ kfree_skb(skb);
+ return err;
+ }
+
+ return cfg80211_testmode_reply(skb);
+ default:
+ return -EOPNOTSUPP;
+ }
+}