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authorLinus Torvalds <torvalds@linux-foundation.org>2014-08-06 20:38:14 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-06 20:38:14 +0400
commitae045e2455429c418a418a3376301a9e5753a0a8 (patch)
treeb445bdeecd3f38aa0d0a29c9585cee49e4ccb0f1 /drivers/net/wireless/brcm80211/brcmfmac/vendor.c
parentf4f142ed4ef835709c7e6d12eaca10d190bcebed (diff)
parentd247b6ab3ce6dd43665780865ec5fa145d9ab6bd (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller: "Highlights: 1) Steady transitioning of the BPF instructure to a generic spot so all kernel subsystems can make use of it, from Alexei Starovoitov. 2) SFC driver supports busy polling, from Alexandre Rames. 3) Take advantage of hash table in UDP multicast delivery, from David Held. 4) Lighten locking, in particular by getting rid of the LRU lists, in inet frag handling. From Florian Westphal. 5) Add support for various RFC6458 control messages in SCTP, from Geir Ola Vaagland. 6) Allow to filter bridge forwarding database dumps by device, from Jamal Hadi Salim. 7) virtio-net also now supports busy polling, from Jason Wang. 8) Some low level optimization tweaks in pktgen from Jesper Dangaard Brouer. 9) Add support for ipv6 address generation modes, so that userland can have some input into the process. From Jiri Pirko. 10) Consolidate common TCP connection request code in ipv4 and ipv6, from Octavian Purdila. 11) New ARP packet logger in netfilter, from Pablo Neira Ayuso. 12) Generic resizable RCU hash table, with intial users in netlink and nftables. From Thomas Graf. 13) Maintain a name assignment type so that userspace can see where a network device name came from (enumerated by kernel, assigned explicitly by userspace, etc.) From Tom Gundersen. 14) Automatic flow label generation on transmit in ipv6, from Tom Herbert. 15) New packet timestamping facilities from Willem de Bruijn, meant to assist in measuring latencies going into/out-of the packet scheduler, latency from TCP data transmission to ACK, etc" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1536 commits) cxgb4 : Disable recursive mailbox commands when enabling vi net: reduce USB network driver config options. tg3: Modify tg3_tso_bug() to handle multiple TX rings amd-xgbe: Perform phy connect/disconnect at dev open/stop amd-xgbe: Use dma_set_mask_and_coherent to set DMA mask net: sun4i-emac: fix memory leak on bad packet sctp: fix possible seqlock seadlock in sctp_packet_transmit() Revert "net: phy: Set the driver when registering an MDIO bus device" cxgb4vf: Turn off SGE RX/TX Callback Timers and interrupts in PCI shutdown routine team: Simplify return path of team_newlink bridge: Update outdated comment on promiscuous mode net-timestamp: ACK timestamp for bytestreams net-timestamp: TCP timestamping net-timestamp: SCHED timestamp on entering packet scheduler net-timestamp: add key to disambiguate concurrent datagrams net-timestamp: move timestamp flags out of sk_flags net-timestamp: extend SCM_TIMESTAMPING ancillary data struct cxgb4i : Move stray CPL definitions to cxgb4 driver tcp: reduce spurious retransmits due to transient SACK reneging qlcnic: Initialize dcbnl_ops before register_netdev ...
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/vendor.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/vendor.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/vendor.c b/drivers/net/wireless/brcm80211/brcmfmac/vendor.c
new file mode 100644
index 000000000000..5960d827508c
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/vendor.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2014 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/vmalloc.h>
+#include <net/cfg80211.h>
+#include <net/netlink.h>
+
+#include <brcmu_wifi.h>
+#include "fwil_types.h"
+#include "dhd.h"
+#include "p2p.h"
+#include "dhd_dbg.h"
+#include "wl_cfg80211.h"
+#include "vendor.h"
+#include "fwil.h"
+
+static int brcmf_cfg80211_vndr_cmds_dcmd_handler(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ const void *data, int len)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct net_device *ndev = cfg_to_ndev(cfg);
+ const struct brcmf_vndr_dcmd_hdr *cmdhdr = data;
+ struct sk_buff *reply;
+ int ret, payload, ret_len;
+ void *dcmd_buf = NULL, *wr_pointer;
+ u16 msglen, maxmsglen = PAGE_SIZE - 0x100;
+
+ brcmf_dbg(TRACE, "cmd %x set %d len %d\n", cmdhdr->cmd, cmdhdr->set,
+ cmdhdr->len);
+
+ len -= sizeof(struct brcmf_vndr_dcmd_hdr);
+ ret_len = cmdhdr->len;
+ if (ret_len > 0 || len > 0) {
+ if (len > BRCMF_DCMD_MAXLEN) {
+ brcmf_err("oversize input buffer %d\n", len);
+ len = BRCMF_DCMD_MAXLEN;
+ }
+ if (ret_len > BRCMF_DCMD_MAXLEN) {
+ brcmf_err("oversize return buffer %d\n", ret_len);
+ ret_len = BRCMF_DCMD_MAXLEN;
+ }
+ payload = max(ret_len, len) + 1;
+ dcmd_buf = vzalloc(payload);
+ if (NULL == dcmd_buf)
+ return -ENOMEM;
+
+ memcpy(dcmd_buf, (void *)cmdhdr + cmdhdr->offset, len);
+ *(char *)(dcmd_buf + len) = '\0';
+ }
+
+ if (cmdhdr->set)
+ ret = brcmf_fil_cmd_data_set(netdev_priv(ndev), cmdhdr->cmd,
+ dcmd_buf, ret_len);
+ else
+ ret = brcmf_fil_cmd_data_get(netdev_priv(ndev), cmdhdr->cmd,
+ dcmd_buf, ret_len);
+ if (ret != 0)
+ goto exit;
+
+ wr_pointer = dcmd_buf;
+ while (ret_len > 0) {
+ msglen = ret_len > maxmsglen ? maxmsglen : ret_len;
+ ret_len -= msglen;
+ payload = msglen + sizeof(msglen);
+ reply = cfg80211_vendor_cmd_alloc_reply_skb(wiphy, payload);
+ if (NULL == reply) {
+ ret = -ENOMEM;
+ break;
+ }
+
+ if (nla_put(reply, BRCMF_NLATTR_DATA, msglen, wr_pointer) ||
+ nla_put_u16(reply, BRCMF_NLATTR_LEN, msglen)) {
+ kfree_skb(reply);
+ ret = -ENOBUFS;
+ break;
+ }
+
+ ret = cfg80211_vendor_cmd_reply(reply);
+ if (ret)
+ break;
+
+ wr_pointer += msglen;
+ }
+
+exit:
+ vfree(dcmd_buf);
+
+ return ret;
+}
+
+const struct wiphy_vendor_command brcmf_vendor_cmds[] = {
+ {
+ {
+ .vendor_id = BROADCOM_OUI,
+ .subcmd = BRCMF_VNDR_CMDS_DCMD
+ },
+ .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
+ WIPHY_VENDOR_CMD_NEED_NETDEV,
+ .doit = brcmf_cfg80211_vndr_cmds_dcmd_handler
+ },
+};