Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Pull networking updates from Davic Miller:

 1) Support busy polling generically, for all NAPI drivers.  From Eric
    Dumazet.

 2) Add byte/packet counter support to nft_ct, from Floriani Westphal.

 3) Add RSS/XPS support to mvneta driver, from Gregory Clement.

 4) Implement IPV6_HDRINCL socket option for raw sockets, from Hannes
    Frederic Sowa.

 5) Add support for T6 adapter to cxgb4 driver, from Hariprasad Shenai.

 6) Add support for VLAN device bridging to mlxsw switch driver, from
    Ido Schimmel.

 7) Add driver for Netronome NFP4000/NFP6000, from Jakub Kicinski.

 8) Provide hwmon interface to mlxsw switch driver, from Jiri Pirko.

 9) Reorganize wireless drivers into per-vendor directories just like we
    do for ethernet drivers.  From Kalle Valo.

10) Provide a way for administrators "destroy" connected sockets via the
    SOCK_DESTROY socket netlink diag operation.  From Lorenzo Colitti.

11) Add support to add/remove multicast routes via netlink, from Nikolay
    Aleksandrov.

12) Make TCP keepalive settings per-namespace, from Nikolay Borisov.

13) Add forwarding and packet duplication facilities to nf_tables, from
    Pablo Neira Ayuso.

14) Dead route support in MPLS, from Roopa Prabhu.

15) TSO support for thunderx chips, from Sunil Goutham.

16) Add driver for IBM's System i/p VNIC protocol, from Thomas Falcon.

17) Rationalize, consolidate, and more completely document the checksum
    offloading facilities in the networking stack.  From Tom Herbert.

18) Support aborting an ongoing scan in mac80211/cfg80211, from
    Vidyullatha Kanchanapally.

19) Use per-bucket spinlock for bpf hash facility, from Tom Leiming.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1375 commits)
  net: bnxt: always return values from _bnxt_get_max_rings
  net: bpf: reject invalid shifts
  phonet: properly unshare skbs in phonet_rcv()
  dwc_eth_qos: Fix dma address for multi-fragment skbs
  phy: remove an unneeded condition
  mdio: remove an unneed condition
  mdio_bus: NULL dereference on allocation error
  net: Fix typo in netdev_intersect_features
  net: freescale: mac-fec: Fix build error from phy_device API change
  net: freescale: ucc_geth: Fix build error from phy_device API change
  bonding: Prevent IPv6 link local address on enslaved devices
  IB/mlx5: Add flow steering support
  net/mlx5_core: Export flow steering API
  net/mlx5_core: Make ipv4/ipv6 location more clear
  net/mlx5_core: Enable flow steering support for the IB driver
  net/mlx5_core: Initialize namespaces only when supported by device
  net/mlx5_core: Set priority attributes
  net/mlx5_core: Connect flow tables
  net/mlx5_core: Introduce modify flow table command
  net/mlx5_core: Managing root flow table
  ...

1 files changed, 339 insertions, 0 deletions

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmutil/utils.c b/drivers/net/wireless/broadcom/brcm80211/brcmutil/utils.c
new file mode 100644
index 000000000000..0543607002fd
--- /dev/null
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmutil/utils.c
@@ -0,0 +1,339 @@
+/*
+ * 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.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/netdevice.h>
+#include <linux/module.h>
+
+#include <brcmu_utils.h>
+
+MODULE_AUTHOR("Broadcom Corporation");
+MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver utilities.");
+MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
+MODULE_LICENSE("Dual BSD/GPL");
+
+struct sk_buff *brcmu_pkt_buf_get_skb(uint len)
+{
+	struct sk_buff *skb;
+
+	skb = dev_alloc_skb(len);
+	if (skb) {
+		skb_put(skb, len);
+		skb->priority = 0;
+	}
+
+	return skb;
+}
+EXPORT_SYMBOL(brcmu_pkt_buf_get_skb);
+
+/* Free the driver packet. Free the tag if present */
+void brcmu_pkt_buf_free_skb(struct sk_buff *skb)
+{
+	if (!skb)
+		return;
+
+	WARN_ON(skb->next);
+	dev_kfree_skb_any(skb);
+}
+EXPORT_SYMBOL(brcmu_pkt_buf_free_skb);
+
+/*
+ * osl multiple-precedence packet queue
+ * hi_prec is always >= the number of the highest non-empty precedence
+ */
+struct sk_buff *brcmu_pktq_penq(struct pktq *pq, int prec,
+				      struct sk_buff *p)
+{
+	struct sk_buff_head *q;
+
+	if (pktq_full(pq) || pktq_pfull(pq, prec))
+		return NULL;
+
+	q = &pq->q[prec].skblist;
+	skb_queue_tail(q, p);
+	pq->len++;
+
+	if (pq->hi_prec < prec)
+		pq->hi_prec = (u8) prec;
+
+	return p;
+}
+EXPORT_SYMBOL(brcmu_pktq_penq);
+
+struct sk_buff *brcmu_pktq_penq_head(struct pktq *pq, int prec,
+					   struct sk_buff *p)
+{
+	struct sk_buff_head *q;
+
+	if (pktq_full(pq) || pktq_pfull(pq, prec))
+		return NULL;
+
+	q = &pq->q[prec].skblist;
+	skb_queue_head(q, p);
+	pq->len++;
+
+	if (pq->hi_prec < prec)
+		pq->hi_prec = (u8) prec;
+
+	return p;
+}
+EXPORT_SYMBOL(brcmu_pktq_penq_head);
+
+struct sk_buff *brcmu_pktq_pdeq(struct pktq *pq, int prec)
+{
+	struct sk_buff_head *q;
+	struct sk_buff *p;
+
+	q = &pq->q[prec].skblist;
+	p = skb_dequeue(q);
+	if (p == NULL)
+		return NULL;
+
+	pq->len--;
+	return p;
+}
+EXPORT_SYMBOL(brcmu_pktq_pdeq);
+
+/*
+ * precedence based dequeue with match function. Passing a NULL pointer
+ * for the match function parameter is considered to be a wildcard so
+ * any packet on the queue is returned. In that case it is no different
+ * from brcmu_pktq_pdeq() above.
+ */
+struct sk_buff *brcmu_pktq_pdeq_match(struct pktq *pq, int prec,
+				      bool (*match_fn)(struct sk_buff *skb,
+						       void *arg), void *arg)
+{
+	struct sk_buff_head *q;
+	struct sk_buff *p, *next;
+
+	q = &pq->q[prec].skblist;
+	skb_queue_walk_safe(q, p, next) {
+		if (match_fn == NULL || match_fn(p, arg)) {
+			skb_unlink(p, q);
+			pq->len--;
+			return p;
+		}
+	}
+	return NULL;
+}
+EXPORT_SYMBOL(brcmu_pktq_pdeq_match);
+
+struct sk_buff *brcmu_pktq_pdeq_tail(struct pktq *pq, int prec)
+{
+	struct sk_buff_head *q;
+	struct sk_buff *p;
+
+	q = &pq->q[prec].skblist;
+	p = skb_dequeue_tail(q);
+	if (p == NULL)
+		return NULL;
+
+	pq->len--;
+	return p;
+}
+EXPORT_SYMBOL(brcmu_pktq_pdeq_tail);
+
+void
+brcmu_pktq_pflush(struct pktq *pq, int prec, bool dir,
+		  bool (*fn)(struct sk_buff *, void *), void *arg)
+{
+	struct sk_buff_head *q;
+	struct sk_buff *p, *next;
+
+	q = &pq->q[prec].skblist;
+	skb_queue_walk_safe(q, p, next) {
+		if (fn == NULL || (*fn) (p, arg)) {
+			skb_unlink(p, q);
+			brcmu_pkt_buf_free_skb(p);
+			pq->len--;
+		}
+	}
+}
+EXPORT_SYMBOL(brcmu_pktq_pflush);
+
+void brcmu_pktq_flush(struct pktq *pq, bool dir,
+		      bool (*fn)(struct sk_buff *, void *), void *arg)
+{
+	int prec;
+	for (prec = 0; prec < pq->num_prec; prec++)
+		brcmu_pktq_pflush(pq, prec, dir, fn, arg);
+}
+EXPORT_SYMBOL(brcmu_pktq_flush);
+
+void brcmu_pktq_init(struct pktq *pq, int num_prec, int max_len)
+{
+	int prec;
+
+	/* pq is variable size; only zero out what's requested */
+	memset(pq, 0,
+	      offsetof(struct pktq, q) + (sizeof(struct pktq_prec) * num_prec));
+
+	pq->num_prec = (u16) num_prec;
+
+	pq->max = (u16) max_len;
+
+	for (prec = 0; prec < num_prec; prec++) {
+		pq->q[prec].max = pq->max;
+		skb_queue_head_init(&pq->q[prec].skblist);
+	}
+}
+EXPORT_SYMBOL(brcmu_pktq_init);
+
+struct sk_buff *brcmu_pktq_peek_tail(struct pktq *pq, int *prec_out)
+{
+	int prec;
+
+	if (pq->len == 0)
+		return NULL;
+
+	for (prec = 0; prec < pq->hi_prec; prec++)
+		if (!skb_queue_empty(&pq->q[prec].skblist))
+			break;
+
+	if (prec_out)
+		*prec_out = prec;
+
+	return skb_peek_tail(&pq->q[prec].skblist);
+}
+EXPORT_SYMBOL(brcmu_pktq_peek_tail);
+
+/* Return sum of lengths of a specific set of precedences */
+int brcmu_pktq_mlen(struct pktq *pq, uint prec_bmp)
+{
+	int prec, len;
+
+	len = 0;
+
+	for (prec = 0; prec <= pq->hi_prec; prec++)
+		if (prec_bmp & (1 << prec))
+			len += pq->q[prec].skblist.qlen;
+
+	return len;
+}
+EXPORT_SYMBOL(brcmu_pktq_mlen);
+
+/* Priority dequeue from a specific set of precedences */
+struct sk_buff *brcmu_pktq_mdeq(struct pktq *pq, uint prec_bmp,
+				      int *prec_out)
+{
+	struct sk_buff_head *q;
+	struct sk_buff *p;
+	int prec;
+
+	if (pq->len == 0)
+		return NULL;
+
+	while ((prec = pq->hi_prec) > 0 &&
+	       skb_queue_empty(&pq->q[prec].skblist))
+		pq->hi_prec--;
+
+	while ((prec_bmp & (1 << prec)) == 0 ||
+	       skb_queue_empty(&pq->q[prec].skblist))
+		if (prec-- == 0)
+			return NULL;
+
+	q = &pq->q[prec].skblist;
+	p = skb_dequeue(q);
+	if (p == NULL)
+		return NULL;
+
+	pq->len--;
+
+	if (prec_out)
+		*prec_out = prec;
+
+	return p;
+}
+EXPORT_SYMBOL(brcmu_pktq_mdeq);
+
+/* Produce a human-readable string for boardrev */
+char *brcmu_boardrev_str(u32 brev, char *buf)
+{
+	char c;
+
+	if (brev < 0x100) {
+		snprintf(buf, BRCMU_BOARDREV_LEN, "%d.%d",
+			 (brev & 0xf0) >> 4, brev & 0xf);
+	} else {
+		c = (brev & 0xf000) == 0x1000 ? 'P' : 'A';
+		snprintf(buf, BRCMU_BOARDREV_LEN, "%c%03x", c, brev & 0xfff);
+	}
+	return buf;
+}
+EXPORT_SYMBOL(brcmu_boardrev_str);
+
+char *brcmu_dotrev_str(u32 dotrev, char *buf)
+{
+	u8 dotval[4];
+
+	if (!dotrev) {
+		snprintf(buf, BRCMU_DOTREV_LEN, "unknown");
+		return buf;
+	}
+	dotval[0] = (dotrev >> 24) & 0xFF;
+	dotval[1] = (dotrev >> 16) & 0xFF;
+	dotval[2] = (dotrev >> 8) & 0xFF;
+	dotval[3] = dotrev & 0xFF;
+
+	if (dotval[3])
+		snprintf(buf, BRCMU_DOTREV_LEN, "%d.%d.%d.%d", dotval[0],
+			dotval[1], dotval[2], dotval[3]);
+	else if (dotval[2])
+		snprintf(buf, BRCMU_DOTREV_LEN, "%d.%d.%d", dotval[0],
+			dotval[1], dotval[2]);
+	else
+		snprintf(buf, BRCMU_DOTREV_LEN, "%d.%d", dotval[0],
+			dotval[1]);
+
+	return buf;
+}
+EXPORT_SYMBOL(brcmu_dotrev_str);
+
+#if defined(DEBUG)
+/* pretty hex print a pkt buffer chain */
+void brcmu_prpkt(const char *msg, struct sk_buff *p0)
+{
+	struct sk_buff *p;
+
+	if (msg && (msg[0] != '\0'))
+		pr_debug("%s:\n", msg);
+
+	for (p = p0; p; p = p->next)
+		print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, p->data, p->len);
+}
+EXPORT_SYMBOL(brcmu_prpkt);
+
+void brcmu_dbg_hex_dump(const void *data, size_t size, const char *fmt, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	va_start(args, fmt);
+
+	vaf.fmt = fmt;
+	vaf.va = &args;
+
+	pr_debug("%pV", &vaf);
+
+	va_end(args);
+
+	print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, data, size);
+}
+EXPORT_SYMBOL(brcmu_dbg_hex_dump);
+
+#endif				/* defined(DEBUG) */