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, 289 insertions, 0 deletions

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h
new file mode 100644
index 000000000000..5e39e2a9e388
--- /dev/null
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h
@@ -0,0 +1,289 @@
+/*
+ * Copyright (c) 2012 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.
+ */
+
+
+#ifndef FWEH_H_
+#define FWEH_H_
+
+#include <asm/unaligned.h>
+#include <linux/skbuff.h>
+#include <linux/if_ether.h>
+#include <linux/if.h>
+
+/* formward declarations */
+struct brcmf_pub;
+struct brcmf_if;
+struct brcmf_cfg80211_info;
+struct brcmf_event;
+
+/* list of firmware events */
+#define BRCMF_FWEH_EVENT_ENUM_DEFLIST \
+	BRCMF_ENUM_DEF(SET_SSID, 0) \
+	BRCMF_ENUM_DEF(JOIN, 1) \
+	BRCMF_ENUM_DEF(START, 2) \
+	BRCMF_ENUM_DEF(AUTH, 3) \
+	BRCMF_ENUM_DEF(AUTH_IND, 4) \
+	BRCMF_ENUM_DEF(DEAUTH, 5) \
+	BRCMF_ENUM_DEF(DEAUTH_IND, 6) \
+	BRCMF_ENUM_DEF(ASSOC, 7) \
+	BRCMF_ENUM_DEF(ASSOC_IND, 8) \
+	BRCMF_ENUM_DEF(REASSOC, 9) \
+	BRCMF_ENUM_DEF(REASSOC_IND, 10) \
+	BRCMF_ENUM_DEF(DISASSOC, 11) \
+	BRCMF_ENUM_DEF(DISASSOC_IND, 12) \
+	BRCMF_ENUM_DEF(QUIET_START, 13) \
+	BRCMF_ENUM_DEF(QUIET_END, 14) \
+	BRCMF_ENUM_DEF(BEACON_RX, 15) \
+	BRCMF_ENUM_DEF(LINK, 16) \
+	BRCMF_ENUM_DEF(MIC_ERROR, 17) \
+	BRCMF_ENUM_DEF(NDIS_LINK, 18) \
+	BRCMF_ENUM_DEF(ROAM, 19) \
+	BRCMF_ENUM_DEF(TXFAIL, 20) \
+	BRCMF_ENUM_DEF(PMKID_CACHE, 21) \
+	BRCMF_ENUM_DEF(RETROGRADE_TSF, 22) \
+	BRCMF_ENUM_DEF(PRUNE, 23) \
+	BRCMF_ENUM_DEF(AUTOAUTH, 24) \
+	BRCMF_ENUM_DEF(EAPOL_MSG, 25) \
+	BRCMF_ENUM_DEF(SCAN_COMPLETE, 26) \
+	BRCMF_ENUM_DEF(ADDTS_IND, 27) \
+	BRCMF_ENUM_DEF(DELTS_IND, 28) \
+	BRCMF_ENUM_DEF(BCNSENT_IND, 29) \
+	BRCMF_ENUM_DEF(BCNRX_MSG, 30) \
+	BRCMF_ENUM_DEF(BCNLOST_MSG, 31) \
+	BRCMF_ENUM_DEF(ROAM_PREP, 32) \
+	BRCMF_ENUM_DEF(PFN_NET_FOUND, 33) \
+	BRCMF_ENUM_DEF(PFN_NET_LOST, 34) \
+	BRCMF_ENUM_DEF(RESET_COMPLETE, 35) \
+	BRCMF_ENUM_DEF(JOIN_START, 36) \
+	BRCMF_ENUM_DEF(ROAM_START, 37) \
+	BRCMF_ENUM_DEF(ASSOC_START, 38) \
+	BRCMF_ENUM_DEF(IBSS_ASSOC, 39) \
+	BRCMF_ENUM_DEF(RADIO, 40) \
+	BRCMF_ENUM_DEF(PSM_WATCHDOG, 41) \
+	BRCMF_ENUM_DEF(PROBREQ_MSG, 44) \
+	BRCMF_ENUM_DEF(SCAN_CONFIRM_IND, 45) \
+	BRCMF_ENUM_DEF(PSK_SUP, 46) \
+	BRCMF_ENUM_DEF(COUNTRY_CODE_CHANGED, 47) \
+	BRCMF_ENUM_DEF(EXCEEDED_MEDIUM_TIME, 48) \
+	BRCMF_ENUM_DEF(ICV_ERROR, 49) \
+	BRCMF_ENUM_DEF(UNICAST_DECODE_ERROR, 50) \
+	BRCMF_ENUM_DEF(MULTICAST_DECODE_ERROR, 51) \
+	BRCMF_ENUM_DEF(TRACE, 52) \
+	BRCMF_ENUM_DEF(IF, 54) \
+	BRCMF_ENUM_DEF(P2P_DISC_LISTEN_COMPLETE, 55) \
+	BRCMF_ENUM_DEF(RSSI, 56) \
+	BRCMF_ENUM_DEF(EXTLOG_MSG, 58) \
+	BRCMF_ENUM_DEF(ACTION_FRAME, 59) \
+	BRCMF_ENUM_DEF(ACTION_FRAME_COMPLETE, 60) \
+	BRCMF_ENUM_DEF(PRE_ASSOC_IND, 61) \
+	BRCMF_ENUM_DEF(PRE_REASSOC_IND, 62) \
+	BRCMF_ENUM_DEF(CHANNEL_ADOPTED, 63) \
+	BRCMF_ENUM_DEF(AP_STARTED, 64) \
+	BRCMF_ENUM_DEF(DFS_AP_STOP, 65) \
+	BRCMF_ENUM_DEF(DFS_AP_RESUME, 66) \
+	BRCMF_ENUM_DEF(ESCAN_RESULT, 69) \
+	BRCMF_ENUM_DEF(ACTION_FRAME_OFF_CHAN_COMPLETE, 70) \
+	BRCMF_ENUM_DEF(PROBERESP_MSG, 71) \
+	BRCMF_ENUM_DEF(P2P_PROBEREQ_MSG, 72) \
+	BRCMF_ENUM_DEF(DCS_REQUEST, 73) \
+	BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74) \
+	BRCMF_ENUM_DEF(ACTION_FRAME_RX, 75) \
+	BRCMF_ENUM_DEF(TDLS_PEER_EVENT, 92) \
+	BRCMF_ENUM_DEF(BCMC_CREDIT_SUPPORT, 127)
+
+#define BRCMF_ENUM_DEF(id, val) \
+	BRCMF_E_##id = (val),
+
+/* firmware event codes sent by the dongle */
+enum brcmf_fweh_event_code {
+	BRCMF_FWEH_EVENT_ENUM_DEFLIST
+	/* this determines event mask length which must match
+	 * minimum length check in device firmware so it is
+	 * hard-coded here.
+	 */
+	BRCMF_E_LAST = 139
+};
+#undef BRCMF_ENUM_DEF
+
+#define BRCMF_EVENTING_MASK_LEN		DIV_ROUND_UP(BRCMF_E_LAST, 8)
+
+/* flags field values in struct brcmf_event_msg */
+#define BRCMF_EVENT_MSG_LINK		0x01
+#define BRCMF_EVENT_MSG_FLUSHTXQ	0x02
+#define BRCMF_EVENT_MSG_GROUP		0x04
+
+/* status field values in struct brcmf_event_msg */
+#define BRCMF_E_STATUS_SUCCESS			0
+#define BRCMF_E_STATUS_FAIL			1
+#define BRCMF_E_STATUS_TIMEOUT			2
+#define BRCMF_E_STATUS_NO_NETWORKS		3
+#define BRCMF_E_STATUS_ABORT			4
+#define BRCMF_E_STATUS_NO_ACK			5
+#define BRCMF_E_STATUS_UNSOLICITED		6
+#define BRCMF_E_STATUS_ATTEMPT			7
+#define BRCMF_E_STATUS_PARTIAL			8
+#define BRCMF_E_STATUS_NEWSCAN			9
+#define BRCMF_E_STATUS_NEWASSOC			10
+#define BRCMF_E_STATUS_11HQUIET			11
+#define BRCMF_E_STATUS_SUPPRESS			12
+#define BRCMF_E_STATUS_NOCHANS			13
+#define BRCMF_E_STATUS_CS_ABORT			15
+#define BRCMF_E_STATUS_ERROR			16
+
+/* reason field values in struct brcmf_event_msg */
+#define BRCMF_E_REASON_INITIAL_ASSOC		0
+#define BRCMF_E_REASON_LOW_RSSI			1
+#define BRCMF_E_REASON_DEAUTH			2
+#define BRCMF_E_REASON_DISASSOC			3
+#define BRCMF_E_REASON_BCNS_LOST		4
+#define BRCMF_E_REASON_MINTXRATE		9
+#define BRCMF_E_REASON_TXFAIL			10
+
+#define BRCMF_E_REASON_LINK_BSSCFG_DIS		4
+#define BRCMF_E_REASON_FAST_ROAM_FAILED		5
+#define BRCMF_E_REASON_DIRECTED_ROAM		6
+#define BRCMF_E_REASON_TSPEC_REJECTED		7
+#define BRCMF_E_REASON_BETTER_AP		8
+
+#define BRCMF_E_REASON_TDLS_PEER_DISCOVERED	0
+#define BRCMF_E_REASON_TDLS_PEER_CONNECTED	1
+#define BRCMF_E_REASON_TDLS_PEER_DISCONNECTED	2
+
+/* action field values for brcmf_ifevent */
+#define BRCMF_E_IF_ADD				1
+#define BRCMF_E_IF_DEL				2
+#define BRCMF_E_IF_CHANGE			3
+
+/* flag field values for brcmf_ifevent */
+#define BRCMF_E_IF_FLAG_NOIF			1
+
+/* role field values for brcmf_ifevent */
+#define BRCMF_E_IF_ROLE_STA			0
+#define BRCMF_E_IF_ROLE_AP			1
+#define BRCMF_E_IF_ROLE_WDS			2
+#define BRCMF_E_IF_ROLE_P2P_GO			3
+#define BRCMF_E_IF_ROLE_P2P_CLIENT		4
+
+/**
+ * definitions for event packet validation.
+ */
+#define BRCMF_EVENT_OUI_OFFSET		19
+#define BRCM_OUI			"\x00\x10\x18"
+#define DOT11_OUI_LEN			3
+#define BCMILCP_BCM_SUBTYPE_EVENT	1
+
+
+/**
+ * struct brcmf_event_msg - firmware event message.
+ *
+ * @version: version information.
+ * @flags: event flags.
+ * @event_code: firmware event code.
+ * @status: status information.
+ * @reason: reason code.
+ * @auth_type: authentication type.
+ * @datalen: lenght of event data buffer.
+ * @addr: ether address.
+ * @ifname: interface name.
+ * @ifidx: interface index.
+ * @bsscfgidx: bsscfg index.
+ */
+struct brcmf_event_msg {
+	u16 version;
+	u16 flags;
+	u32 event_code;
+	u32 status;
+	u32 reason;
+	s32 auth_type;
+	u32 datalen;
+	u8 addr[ETH_ALEN];
+	char ifname[IFNAMSIZ];
+	u8 ifidx;
+	u8 bsscfgidx;
+};
+
+struct brcmf_if_event {
+	u8 ifidx;
+	u8 action;
+	u8 flags;
+	u8 bsscfgidx;
+	u8 role;
+};
+
+typedef int (*brcmf_fweh_handler_t)(struct brcmf_if *ifp,
+				    const struct brcmf_event_msg *evtmsg,
+				    void *data);
+
+/**
+ * struct brcmf_fweh_info - firmware event handling information.
+ *
+ * @p2pdev_setup_ongoing: P2P device creation in progress.
+ * @event_work: event worker.
+ * @evt_q_lock: lock for event queue protection.
+ * @event_q: event queue.
+ * @evt_handler: registered event handlers.
+ */
+struct brcmf_fweh_info {
+	bool p2pdev_setup_ongoing;
+	struct work_struct event_work;
+	spinlock_t evt_q_lock;
+	struct list_head event_q;
+	int (*evt_handler[BRCMF_E_LAST])(struct brcmf_if *ifp,
+					 const struct brcmf_event_msg *evtmsg,
+					 void *data);
+};
+
+void brcmf_fweh_attach(struct brcmf_pub *drvr);
+void brcmf_fweh_detach(struct brcmf_pub *drvr);
+int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code,
+			int (*handler)(struct brcmf_if *ifp,
+				       const struct brcmf_event_msg *evtmsg,
+				       void *data));
+void brcmf_fweh_unregister(struct brcmf_pub *drvr,
+			   enum brcmf_fweh_event_code code);
+int brcmf_fweh_activate_events(struct brcmf_if *ifp);
+void brcmf_fweh_process_event(struct brcmf_pub *drvr,
+			      struct brcmf_event *event_packet);
+void brcmf_fweh_p2pdev_setup(struct brcmf_if *ifp, bool ongoing);
+
+static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr,
+					  struct sk_buff *skb)
+{
+	struct brcmf_event *event_packet;
+	u8 *data;
+	u16 usr_stype;
+
+	/* only process events when protocol matches */
+	if (skb->protocol != cpu_to_be16(ETH_P_LINK_CTL))
+		return;
+
+	/* check for BRCM oui match */
+	event_packet = (struct brcmf_event *)skb_mac_header(skb);
+	data = (u8 *)event_packet;
+	data += BRCMF_EVENT_OUI_OFFSET;
+	if (memcmp(BRCM_OUI, data, DOT11_OUI_LEN))
+		return;
+
+	/* final match on usr_subtype */
+	data += DOT11_OUI_LEN;
+	usr_stype = get_unaligned_be16(data);
+	if (usr_stype != BCMILCP_BCM_SUBTYPE_EVENT)
+		return;
+
+	brcmf_fweh_process_event(drvr, event_packet);
+}
+
+#endif /* FWEH_H_ */