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authorLinus Torvalds2010-10-23 20:47:02 +0200
committerLinus Torvalds2010-10-23 20:47:02 +0200
commit5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0 (patch)
tree7851ef1c93aa1aba7ef327ca4b75fd35e6d10f29 /drivers/net/bna/bfa_wc.h
parentMerge branches 'softirq-for-linus', 'x86-debug-for-linus', 'x86-numa-for-linu... (diff)
parentbnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL. (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits) bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL. vlan: Calling vlan_hwaccel_do_receive() is always valid. tproxy: use the interface primary IP address as a default value for --on-ip tproxy: added IPv6 support to the socket match cxgb3: function namespace cleanup tproxy: added IPv6 support to the TPROXY target tproxy: added IPv6 socket lookup function to nf_tproxy_core be2net: Changes to use only priority codes allowed by f/w tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled tproxy: added tproxy sockopt interface in the IPV6 layer tproxy: added udp6_lib_lookup function tproxy: added const specifiers to udp lookup functions tproxy: split off ipv6 defragmentation to a separate module l2tp: small cleanup nf_nat: restrict ICMP translation for embedded header can: mcp251x: fix generation of error frames can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set can-raw: add msg_flags to distinguish local traffic 9p: client code cleanup rds: make local functions/variables static ... Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and drivers/net/wireless/ath/ath9k/debug.c as per David
Diffstat (limited to 'drivers/net/bna/bfa_wc.h')
-rw-r--r--drivers/net/bna/bfa_wc.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/net/bna/bfa_wc.h b/drivers/net/bna/bfa_wc.h
new file mode 100644
index 000000000000..d0e4caee67b0
--- /dev/null
+++ b/drivers/net/bna/bfa_wc.h
@@ -0,0 +1,69 @@
+/*
+ * Linux network driver for Brocade Converged Network Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+/*
+ * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ */
+
+/**
+ * @file bfa_wc.h Generic wait counter.
+ */
+
+#ifndef __BFA_WC_H__
+#define __BFA_WC_H__
+
+typedef void (*bfa_wc_resume_t) (void *cbarg);
+
+struct bfa_wc {
+ bfa_wc_resume_t wc_resume;
+ void *wc_cbarg;
+ int wc_count;
+};
+
+static inline void
+bfa_wc_up(struct bfa_wc *wc)
+{
+ wc->wc_count++;
+}
+
+static inline void
+bfa_wc_down(struct bfa_wc *wc)
+{
+ wc->wc_count--;
+ if (wc->wc_count == 0)
+ wc->wc_resume(wc->wc_cbarg);
+}
+
+/**
+ * Initialize a waiting counter.
+ */
+static inline void
+bfa_wc_init(struct bfa_wc *wc, bfa_wc_resume_t wc_resume, void *wc_cbarg)
+{
+ wc->wc_resume = wc_resume;
+ wc->wc_cbarg = wc_cbarg;
+ wc->wc_count = 0;
+ bfa_wc_up(wc);
+}
+
+/**
+ * Wait for counter to reach zero
+ */
+static inline void
+bfa_wc_wait(struct bfa_wc *wc)
+{
+ bfa_wc_down(wc);
+}
+
+#endif