diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmfmac/dhd_linux.c')
| -rw-r--r-- | drivers/staging/brcm80211/brcmfmac/dhd_linux.c | 1736 |
1 files changed, 0 insertions, 1736 deletions
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c deleted file mode 100644 index b129401..0000000 --- a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c +++ /dev/null @@ -1,1736 +0,0 @@ -/* - * 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. - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/kthread.h> -#include <linux/slab.h> -#include <linux/skbuff.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/mmc/sdio_func.h> -#include <linux/random.h> -#include <linux/spinlock.h> -#include <linux/ethtool.h> -#include <linux/fcntl.h> -#include <linux/fs.h> -#include <linux/uaccess.h> -#include <linux/interrupt.h> -#include <linux/hardirq.h> -#include <net/cfg80211.h> -#include <defs.h> -#include <brcmu_utils.h> -#include <brcmu_wifi.h> - -#include "dhd.h" -#include "dhd_bus.h" -#include "dhd_proto.h" -#include "dhd_dbg.h" -#include "wl_cfg80211.h" -#include "bcmchip.h" - -#if defined(CONFIG_PM_SLEEP) -#include <linux/suspend.h> -atomic_t brcmf_mmc_suspend; -#endif /* defined(CONFIG_PM_SLEEP) */ - -MODULE_AUTHOR("Broadcom Corporation"); -MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac driver."); -MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac cards"); -MODULE_LICENSE("Dual BSD/GPL"); - - -/* Interface control information */ -struct brcmf_if { - struct brcmf_info *info; /* back pointer to brcmf_info */ - /* OS/stack specifics */ - struct net_device *net; - struct net_device_stats stats; - int idx; /* iface idx in dongle */ - int state; /* interface state */ - uint subunit; /* subunit */ - u8 mac_addr[ETH_ALEN]; /* assigned MAC address */ - bool attached; /* Delayed attachment when unset */ - bool txflowcontrol; /* Per interface flow control indicator */ - char name[IFNAMSIZ]; /* linux interface name */ -}; - -/* Local private structure (extension of pub) */ -struct brcmf_info { - struct brcmf_pub pub; - - /* OS/stack specifics */ - struct brcmf_if *iflist[BRCMF_MAX_IFS]; - - struct semaphore proto_sem; - wait_queue_head_t ioctl_resp_wait; - - /* Thread to issue ioctl for multicast */ - struct task_struct *sysioc_tsk; - struct semaphore sysioc_sem; - bool set_multicast; - bool set_macaddress; - u8 macvalue[ETH_ALEN]; - atomic_t pend_8021x_cnt; -}; - -/* Error bits */ -module_param(brcmf_msg_level, int, 0); - -/* Spawn a thread for system ioctls (set mac, set mcast) */ -uint brcmf_sysioc = true; -module_param(brcmf_sysioc, uint, 0); - -/* ARP offload agent mode : Enable ARP Host Auto-Reply -and ARP Peer Auto-Reply */ -uint brcmf_arp_mode = 0xb; -module_param(brcmf_arp_mode, uint, 0); - -/* ARP offload enable */ -uint brcmf_arp_enable = true; -module_param(brcmf_arp_enable, uint, 0); - -/* Global Pkt filter enable control */ -uint brcmf_pkt_filter_enable = true; -module_param(brcmf_pkt_filter_enable, uint, 0); - -/* Pkt filter init setup */ -uint brcmf_pkt_filter_init; -module_param(brcmf_pkt_filter_init, uint, 0); - -/* Pkt filter mode control */ -uint brcmf_master_mode = true; -module_param(brcmf_master_mode, uint, 0); - -module_param(brcmf_dongle_memsize, int, 0); - -/* Contorl fw roaming */ -uint brcmf_roam = 1; - -/* Control radio state */ -uint brcmf_radio_up = 1; - -/* Network inteface name */ -char iface_name[IFNAMSIZ] = "wlan"; -module_param_string(iface_name, iface_name, IFNAMSIZ, 0); - -/* The following are specific to the SDIO dongle */ - -/* IOCTL response timeout */ -int brcmf_ioctl_timeout_msec = IOCTL_RESP_TIMEOUT; - -/* Idle timeout for backplane clock */ -int brcmf_idletime = BRCMF_IDLETIME_TICKS; -module_param(brcmf_idletime, int, 0); - -/* Use polling */ -uint brcmf_poll; -module_param(brcmf_poll, uint, 0); - -/* Use interrupts */ -uint brcmf_intr = true; -module_param(brcmf_intr, uint, 0); - -/* SDIO Drive Strength (in milliamps) */ -uint brcmf_sdiod_drive_strength = 6; -module_param(brcmf_sdiod_drive_strength, uint, 0); - -/* Tx/Rx bounds */ -module_param(brcmf_txbound, uint, 0); -module_param(brcmf_rxbound, uint, 0); - -#ifdef SDTEST -/* Echo packet generator (pkts/s) */ -uint brcmf_pktgen; -module_param(brcmf_pktgen, uint, 0); - -/* Echo packet len (0 => sawtooth, max 2040) */ -uint brcmf_pktgen_len; -module_param(brcmf_pktgen_len, uint, 0); -#endif - -static int brcmf_toe_get(struct brcmf_info *drvr_priv, int idx, u32 *toe_ol); -static int brcmf_toe_set(struct brcmf_info *drvr_priv, int idx, u32 toe_ol); -static int brcmf_host_event(struct brcmf_info *drvr_priv, int *ifidx, void *pktdata, - struct brcmf_event_msg *event_ptr, - void **data_ptr); - -/* - * Generalized timeout mechanism. Uses spin sleep with exponential - * back-off until - * the sleep time reaches one jiffy, then switches over to task delay. Usage: - * - * brcmf_timeout_start(&tmo, usec); - * while (!brcmf_timeout_expired(&tmo)) - * if (poll_something()) - * break; - * if (brcmf_timeout_expired(&tmo)) - * fatal(); - */ - -void brcmf_timeout_start(struct brcmf_timeout *tmo, uint usec) -{ - tmo->limit = usec; - tmo->increment = 0; - tmo->elapsed = 0; - tmo->tick = 1000000 / HZ; -} - -int brcmf_timeout_expired(struct brcmf_timeout *tmo) -{ - /* Does nothing the first call */ - if (tmo->increment == 0) { - tmo->increment = 1; - return 0; - } - - if (tmo->elapsed >= tmo->limit) - return 1; - - /* Add the delay that's about to take place */ - tmo->elapsed += tmo->increment; - - if (tmo->increment < tmo->tick) { - udelay(tmo->increment); - tmo->increment *= 2; - if (tmo->increment > tmo->tick) - tmo->increment = tmo->tick; - } else { - wait_queue_head_t delay_wait; - DECLARE_WAITQUEUE(wait, current); - int pending; - init_waitqueue_head(&delay_wait); - add_wait_queue(&delay_wait, &wait); - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(1); - pending = signal_pending(current); - remove_wait_queue(&delay_wait, &wait); - set_current_state(TASK_RUNNING); - if (pending) - return 1; /* Interrupted */ - } - - return 0; -} - -static int brcmf_net2idx(struct brcmf_info *drvr_priv, struct net_device *net) -{ - int i = 0; - - while (i < BRCMF_MAX_IFS) { - if (drvr_priv->iflist[i] && (drvr_priv->iflist[i]->net == net)) - return i; - i++; - } - - return BRCMF_BAD_IF; -} - -int brcmf_ifname2idx(struct brcmf_info *drvr_priv, char *name) -{ - int i = BRCMF_MAX_IFS; - - if (name == NULL || *name == '\0') - return 0; - - while (--i > 0) - if (drvr_priv->iflist[i] - && !strncmp(drvr_priv->iflist[i]->name, name, IFNAMSIZ)) - break; - - BRCMF_TRACE(("%s: return idx %d for \"%s\"\n", __func__, i, name)); - - return i; /* default - the primary interface */ -} - -char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx) -{ - struct brcmf_info *drvr_priv = drvr->info; - - if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) { - BRCMF_ERROR(("%s: ifidx %d out of range\n", __func__, ifidx)); - return "<if_bad>"; - } - - if (drvr_priv->iflist[ifidx] == NULL) { - BRCMF_ERROR(("%s: null i/f %d\n", __func__, ifidx)); - return "<if_null>"; - } - - if (drvr_priv->iflist[ifidx]->net) - return drvr_priv->iflist[ifidx]->net->name; - - return "<if_none>"; -} - -static void _brcmf_set_multicast_list(struct brcmf_info *drvr_priv, int ifidx) -{ - struct net_device *dev; - struct netdev_hw_addr *ha; - u32 allmulti, cnt; - - struct brcmf_ioctl ioc; - char *buf, *bufp; - uint buflen; - int ret; - - dev = drvr_priv->iflist[ifidx]->net; - cnt = netdev_mc_count(dev); - - /* Determine initial value of allmulti flag */ - allmulti = (dev->flags & IFF_ALLMULTI) ? true : false; - - /* Send down the multicast list first. */ - - buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETH_ALEN); - bufp = buf = kmalloc(buflen, GFP_ATOMIC); - if (!bufp) { - BRCMF_ERROR(("%s: out of memory for mcast_list, cnt %d\n", - brcmf_ifname(&drvr_priv->pub, ifidx), cnt)); - return; - } - - strcpy(bufp, "mcast_list"); - bufp += strlen("mcast_list") + 1; - - cnt = cpu_to_le32(cnt); - memcpy(bufp, &cnt, sizeof(cnt)); - bufp += sizeof(cnt); - - netdev_for_each_mc_addr(ha, dev) { - if (!cnt) - break; - memcpy(bufp, ha->addr, ETH_ALEN); - bufp += ETH_ALEN; - cnt--; - } - - memset(&ioc, 0, sizeof(ioc)); - ioc.cmd = BRCMF_C_SET_VAR; - ioc.buf = buf; - ioc.len = buflen; - ioc.set = true; - - ret = brcmf_proto_ioctl(&drvr_priv->pub, ifidx, &ioc, ioc.buf, ioc.len); - if (ret < 0) { - BRCMF_ERROR(("%s: set mcast_list failed, cnt %d\n", - brcmf_ifname(&drvr_priv->pub, ifidx), cnt)); - allmulti = cnt ? true : allmulti; - } - - kfree(buf); - - /* Now send the allmulti setting. This is based on the setting in the - * net_device flags, but might be modified above to be turned on if we - * were trying to set some addresses and dongle rejected it... - */ - - buflen = sizeof("allmulti") + sizeof(allmulti); - buf = kmalloc(buflen, GFP_ATOMIC); - if (!buf) { - BRCMF_ERROR(("%s: out of memory for allmulti\n", - brcmf_ifname(&drvr_priv->pub, ifidx))); - return; - } - allmulti = cpu_to_le32(allmulti); - - if (!brcmu_mkiovar - ("allmulti", (void *)&allmulti, sizeof(allmulti), buf, buflen)) { - BRCMF_ERROR(("%s: mkiovar failed for allmulti, datalen %d " - "buflen %u\n", - brcmf_ifname(&drvr_priv->pub, ifidx), - (int)sizeof(allmulti), buflen)); - kfree(buf); - return; - } - - memset(&ioc, 0, sizeof(ioc)); - ioc.cmd = BRCMF_C_SET_VAR; - ioc.buf = buf; - ioc.len = buflen; - ioc.set = true; - - ret = brcmf_proto_ioctl(&drvr_priv->pub, ifidx, &ioc, ioc.buf, ioc.len); - if (ret < 0) { - BRCMF_ERROR(("%s: set allmulti %d failed\n", - brcmf_ifname(&drvr_priv->pub, ifidx), - le32_to_cpu(allmulti))); - } - - kfree(buf); - - /* Finally, pick up the PROMISC flag as well, like the NIC - driver does */ - - allmulti = (dev->flags & IFF_PROMISC) ? true : false; - allmulti = cpu_to_le32(allmulti); - - memset(&ioc, 0, sizeof(ioc)); - ioc.cmd = BRCMF_C_SET_PROMISC; - ioc.buf = &allmulti; - ioc.len = sizeof(allmulti); - ioc.set = true; - - ret = brcmf_proto_ioctl(&drvr_priv->pub, ifidx, &ioc, ioc.buf, ioc.len); - if (ret < 0) { - BRCMF_ERROR(("%s: set promisc %d failed\n", - brcmf_ifname(&drvr_priv->pub, ifidx), - le32_to_cpu(allmulti))); - } -} - -static int _brcmf_set_mac_address(struct brcmf_info *drvr_priv, int ifidx, u8 *addr) -{ - char buf[32]; - struct brcmf_ioctl ioc; - int ret; - - BRCMF_TRACE(("%s enter\n", __func__)); - if (!brcmu_mkiovar - ("cur_etheraddr", (char *)addr, ETH_ALEN, buf, 32)) { - BRCMF_ERROR(("%s: mkiovar failed for cur_etheraddr\n", - brcmf_ifname(&drvr_priv->pub, ifidx))); - return -1; - } - memset(&ioc, 0, sizeof(ioc)); - ioc.cmd = BRCMF_C_SET_VAR; - ioc.buf = buf; - ioc.len = 32; - ioc.set = true; - - ret = brcmf_proto_ioctl(&drvr_priv->pub, ifidx, &ioc, ioc.buf, ioc.len); - if (ret < 0) { - BRCMF_ERROR(("%s: set cur_etheraddr failed\n", - brcmf_ifname(&drvr_priv->pub, ifidx))); - } else { - memcpy(drvr_priv->iflist[ifidx]->net->dev_addr, addr, ETH_ALEN); - } - - return ret; -} - -#ifdef SOFTAP -extern struct net_device *ap_net_dev; -#endif - -/* Virtual interfaces only ((ifp && ifp->info && ifp->idx == true) */ -static void brcmf_op_if(struct brcmf_if *ifp) -{ - struct brcmf_info *drvr_priv; - int ret = 0, err = 0; - - drvr_priv = ifp->info; - - BRCMF_TRACE(("%s: idx %d, state %d\n", __func__, ifp->idx, ifp->state)); - - switch (ifp->state) { - case BRCMF_E_IF_ADD: - /* - * Delete the existing interface before overwriting it - * in case we missed the BRCMF_E_IF_DEL event. - */ - if (ifp->net != NULL) { - BRCMF_ERROR(("%s: ERROR: netdev:%s already exists, " - "try free & unregister\n", - __func__, ifp->net->name)); - netif_stop_queue(ifp->net); - unregister_netdev(ifp->net); - free_netdev(ifp->net); - } - /* Allocate etherdev, including space for private structure */ - ifp->net = alloc_etherdev(sizeof(drvr_priv)); - if (!ifp->net) { - BRCMF_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); - ret = -ENOMEM; - } - if (ret == 0) { - strcpy(ifp->net->name, ifp->name); - memcpy(netdev_priv(ifp->net), &drvr_priv, sizeof(drvr_priv)); - err = brcmf_net_attach(&drvr_priv->pub, ifp->idx); - if (err != 0) { - BRCMF_ERROR(("%s: brcmf_net_attach failed, " - "err %d\n", - __func__, err)); - ret = -EOPNOTSUPP; - } else { -#ifdef SOFTAP - /* semaphore that the soft AP CODE - waits on */ - extern struct semaphore ap_eth_sema; - - /* save ptr to wl0.1 netdev for use - in wl_iw.c */ - ap_net_dev = ifp->net; - /* signal to the SOFTAP 'sleeper' thread, - wl0.1 is ready */ - up(&ap_eth_sema); -#endif - BRCMF_TRACE(("\n ==== pid:%x, net_device for " - "if:%s created ===\n\n", - current->pid, ifp->net->name)); - ifp->state = 0; - } - } - break; - case BRCMF_E_IF_DEL: - if (ifp->net != NULL) { - BRCMF_TRACE(("\n%s: got 'WLC_E_IF_DEL' state\n", - __func__)); - netif_stop_queue(ifp->net); - unregister_netdev(ifp->net); - ret = BRCMF_DEL_IF; /* Make sure the free_netdev() - is called */ - } - break; - default: - BRCMF_ERROR(("%s: bad op %d\n", __func__, ifp->state)); - break; - } - - if (ret < 0) { - if (ifp->net) - free_netdev(ifp->net); - - drvr_priv->iflist[ifp->idx] = NULL; - kfree(ifp); -#ifdef SOFTAP - if (ifp->net == ap_net_dev) - ap_net_dev = NULL; /* NULL SOFTAP global - wl0.1 as well */ -#endif /* SOFTAP */ - } -} - -static int _brcmf_sysioc_thread(void *data) -{ - struct brcmf_info *drvr_priv = (struct brcmf_info *) data; - int i; -#ifdef SOFTAP - bool in_ap = false; -#endif - - allow_signal(SIGTERM); - - while (down_interruptible(&drvr_priv->sysioc_sem) == 0) { - if (kthread_should_stop()) - break; - for (i = 0; i < BRCMF_MAX_IFS; i++) { - struct brcmf_if *ifentry = drvr_priv->iflist[i]; - if (ifentry) { -#ifdef SOFTAP - in_ap = (ap_net_dev != NULL); -#endif /* SOFTAP */ - if (ifentry->state) - brcmf_op_if(ifentry); -#ifdef SOFTAP - if (drvr_priv->iflist[i] == NULL) { - BRCMF_TRACE(("\n\n %s: interface %d " - "removed!\n", __func__, - i)); - continue; - } - - if (in_ap && drvr_priv->set_macaddress) { - BRCMF_TRACE(("attempt to set MAC for" - " %s in AP Mode," - " blocked.\n", - ifentry->net->name)); - drvr_priv->set_macaddress = false; - continue; - } - - if (in_ap && drvr_priv->set_multicast) { - BRCMF_TRACE(("attempt to set MULTICAST " - "list for %s in AP Mode, " - "blocked.\n", - ifentry->net->name)); - drvr_priv->set_multicast = false; - continue; - } -#endif /* SOFTAP */ - if (drvr_priv->set_multicast) { - drvr_priv->set_multicast = false; - _brcmf_set_multicast_list(drvr_priv, i); - } - if (drvr_priv->set_macaddress) { - drvr_priv->set_macaddress = false; - _brcmf_set_mac_address(drvr_priv, i, - drvr_priv->macvalue); - } - } - } - } - return 0; -} - -static int brcmf_netdev_set_mac_address(struct net_device *dev, void *addr) -{ - int ret = 0; - - struct brcmf_info *drvr_priv = *(struct brcmf_info **) netdev_priv(dev); - struct sockaddr *sa = (struct sockaddr *)addr; - int ifidx; - - ifidx = brcmf_net2idx(drvr_priv, dev); - if (ifidx == BRCMF_BAD_IF) - return -1; - - memcpy(&drvr_priv->macvalue, sa->sa_data, ETH_ALEN); - drvr_priv->set_macaddress = true; - up(&drvr_priv->sysioc_sem); - - return ret; -} - -static void brcmf_netdev_set_multicast_list(struct net_device *dev) -{ - struct brcmf_info *drvr_priv = *(struct brcmf_info **) netdev_priv(dev); - int ifidx; - - ifidx = brcmf_net2idx(drvr_priv, dev); - if (ifidx == BRCMF_BAD_IF) - return; - - drvr_priv->set_multicast = true; - up(&drvr_priv->sysioc_sem); -} - -int brcmf_sendpkt(struct brcmf_pub *drvr, int ifidx, struct sk_buff *pktbuf) -{ - struct brcmf_info *drvr_priv = drvr->info; - - /* Reject if down */ - if (!drvr->up || (drvr->busstate == BRCMF_BUS_DOWN)) - return -ENODEV; - - /* Update multicast statistic */ - if (pktbuf->len >= ETH_ALEN) { - u8 *pktdata = (u8 *) (pktbuf->data); - struct ethhdr *eh = (struct ethhdr *)pktdata; - - if (is_multicast_ether_addr(eh->h_dest)) - drvr->tx_multicast++; - if (ntohs(eh->h_proto) == ETH_P_PAE) - atomic_inc(&drvr_priv->pend_8021x_cnt); - } - - /* If the protocol uses a data header, apply it */ - brcmf_proto_hdrpush(drvr, ifidx, pktbuf); - - /* Use bus module to send data frame */ - return brcmf_sdbrcm_bus_txdata(drvr->bus, pktbuf); -} - -static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *net) -{ - int ret; - struct brcmf_info *drvr_priv = *(struct brcmf_info **) netdev_priv(net); - int ifidx; - - BRCMF_TRACE(("%s: Enter\n", __func__)); - - /* Reject if down */ - if (!drvr_priv->pub.up || (drvr_priv->pub.busstate == BRCMF_BUS_DOWN)) { - BRCMF_ERROR(("%s: xmit rejected pub.up=%d busstate=%d\n", - __func__, drvr_priv->pub.up, - drvr_priv->pub.busstate)); - netif_stop_queue(net); - return -ENODEV; - } - - ifidx = brcmf_net2idx(drvr_priv, net); - if (ifidx == BRCMF_BAD_IF) { - BRCMF_ERROR(("%s: bad ifidx %d\n", __func__, ifidx)); - netif_stop_queue(net); - return -ENODEV; - } - - /* Make sure there's enough room for any header */ - if (skb_headroom(skb) < drvr_priv->pub.hdrlen) { - struct sk_buff *skb2; - - BRCMF_INFO(("%s: insufficient headroom\n", - brcmf_ifname(&drvr_priv->pub, ifidx))); - drvr_priv->pub.tx_realloc++; - skb2 = skb_realloc_headroom(skb, drvr_priv->pub.hdrlen); - dev_kfree_skb(skb); - skb = skb2; - if (skb == NULL) { - BRCMF_ERROR(("%s: skb_realloc_headroom failed\n", - brcmf_ifname(&drvr_priv->pub, ifidx))); - ret = -ENOMEM; - goto done; - } - } - - ret = brcmf_sendpkt(&drvr_priv->pub, ifidx, skb); - -done: - if (ret) - drvr_priv->pub.dstats.tx_dropped++; - else - drvr_priv->pub.tx_packets++; - - /* Return ok: we always eat the packet */ - return 0; -} - -void brcmf_txflowcontrol(struct brcmf_pub *drvr, int ifidx, bool state) -{ - struct net_device *net; - struct brcmf_info *drvr_priv = drvr->info; - - BRCMF_TRACE(("%s: Enter\n", __func__)); - - drvr->txoff = state; - net = drvr_priv->iflist[ifidx]->net; - if (state == ON) - netif_stop_queue(net); - else - netif_wake_queue(net); -} - -void brcmf_rx_frame(struct brcmf_pub *drvr, int ifidx, struct sk_buff *skb, - int numpkt) -{ - struct brcmf_info *drvr_priv = drvr->info; - unsigned char *eth; - uint len; - void *data; - struct sk_buff *pnext, *save_pktbuf; - int i; - struct brcmf_if *ifp; - struct brcmf_event_msg event; - - BRCMF_TRACE(("%s: Enter\n", __func__)); - - save_pktbuf = skb; - - for (i = 0; skb && i < numpkt; i++, skb = pnext) { - - pnext = skb->next; - skb->next = NULL; - - /* Get the protocol, maintain skb around eth_type_trans() - * The main reason for this hack is for the limitation of - * Linux 2.4 where 'eth_type_trans' uses the - * 'net->hard_header_len' - * to perform skb_pull inside vs ETH_HLEN. Since to avoid - * coping of the packet coming from the network stack to add - * BDC, Hardware header etc, during network interface - * registration - * we set the 'net->hard_header_len' to ETH_HLEN + extra space - * required - * for BDC, Hardware header etc. and not just the ETH_HLEN - */ - eth = skb->data; - len = skb->len; - - ifp = drvr_priv->iflist[ifidx]; - if (ifp == NULL) - ifp = drvr_priv->iflist[0]; - - skb->dev = ifp->net; - skb->protocol = eth_type_trans(skb, skb->dev); - - if (skb->pkt_type == PACKET_MULTICAST) - drvr_priv->pub.rx_multicast++; - - skb->data = eth; - skb->len = len; - - /* Strip header, count, deliver upward */ - skb_pull(skb, ETH_HLEN); - - /* Process special event packets and then discard them */ - if (ntohs(skb->protocol) == ETH_P_LINK_CTL) - brcmf_host_event(drvr_priv, &ifidx, - skb_mac_header(skb), - &event, &data); - - if (drvr_priv->iflist[ifidx] && - !drvr_priv->iflist[ifidx]->state) - ifp = drvr_priv->iflist[ifidx]; - - if (ifp->net) - ifp->net->last_rx = jiffies; - - drvr->dstats.rx_bytes += skb->len; - drvr->rx_packets++; /* Local count */ - - if (in_interrupt()) { - netif_rx(skb); - } else { - /* If the receive is not processed inside an ISR, - * the softirqd must be woken explicitly to service - * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled - * by netif_rx_ni(), but in earlier kernels, we need - * to do it manually. - */ - netif_rx_ni(skb); - } - } -} - -void brcmf_txcomplete(struct brcmf_pub *drvr, struct sk_buff *txp, bool success) -{ - uint ifidx; - struct brcmf_info *drvr_priv = drvr->info; - struct ethhdr *eh; - u16 type; - - brcmf_proto_hdrpull(drvr, &ifidx, txp); - - eh = (struct ethhdr *)(txp->data); - type = ntohs(eh->h_proto); - - if (type == ETH_P_PAE) - atomic_dec(&drvr_priv->pend_8021x_cnt); - -} - -static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *net) -{ - struct brcmf_info *drvr_priv = *(struct brcmf_info **) netdev_priv(net); - struct brcmf_if *ifp; - int ifidx; - - BRCMF_TRACE(("%s: Enter\n", __func__)); - - ifidx = brcmf_net2idx(drvr_priv, net); - if (ifidx == BRCMF_BAD_IF) - return NULL; - - ifp = drvr_priv->iflist[ifidx]; - - if (drvr_priv->pub.up) { - /* Use the protocol to get dongle stats */ - brcmf_proto_dstats(&drvr_priv->pub); - } - - /* Copy dongle stats to net device stats */ - ifp->stats.rx_packets = drvr_priv->pub.dstats.rx_packets; - ifp->stats.tx_packets = drvr_priv->pub.dstats.tx_packets; - ifp->stats.rx_bytes = drvr_priv->pub.dstats.rx_bytes; - ifp->stats.tx_bytes = drvr_priv->pub.dstats.tx_bytes; - ifp->stats.rx_errors = drvr_priv->pub.dstats.rx_errors; - ifp->stats.tx_errors = drvr_priv->pub.dstats.tx_errors; - ifp->stats.rx_dropped = drvr_priv->pub.dstats.rx_dropped; - ifp->stats.tx_dropped = drvr_priv->pub.dstats.tx_dropped; - ifp->stats.multicast = drvr_priv->pub.dstats.multicast; - - return &ifp->stats; -} - -/* Retrieve current toe component enables, which are kept - as a bitmap in toe_ol iovar */ -static int brcmf_toe_get(struct brcmf_info *drvr_priv, int ifidx, u32 *toe_ol) -{ - struct brcmf_ioctl ioc; - char buf[32]; - int ret; - - memset(&ioc, 0, sizeof(ioc)); - - ioc.cmd = BRCMF_C_GET_VAR; - ioc.buf = buf; - ioc.len = (uint) sizeof(buf); - ioc.set = false; - - strcpy(buf, "toe_ol"); - ret = brcmf_proto_ioctl(&drvr_priv->pub, ifidx, &ioc, ioc.buf, ioc.len); - if (ret < 0) { - /* Check for older dongle image that doesn't support toe_ol */ - if (ret == -EIO) { - BRCMF_ERROR(("%s: toe not supported by device\n", - brcmf_ifname(&drvr_priv->pub, ifidx))); - return -EOPNOTSUPP; - } - - BRCMF_INFO(("%s: could not get toe_ol: ret=%d\n", - brcmf_ifname(&drvr_priv->pub, ifidx), ret)); - return ret; - } - - memcpy(toe_ol, buf, sizeof(u32)); - return 0; -} - -/* Set current toe component enables in toe_ol iovar, - and set toe global enable iovar */ -static int brcmf_toe_set(struct brcmf_info *drvr_priv, int ifidx, u32 toe_ol) -{ - struct brcmf_ioctl ioc; - char buf[32]; - int toe, ret; - - memset(&ioc, 0, sizeof(ioc)); - - ioc.cmd = BRCMF_C_SET_VAR; - ioc.buf = buf; - ioc.len = (uint) sizeof(buf); - ioc.set = true; - - /* Set toe_ol as requested */ - - strcpy(buf, "toe_ol"); - memcpy(&buf[sizeof("toe_ol")], &toe_ol, sizeof(u32)); - - ret = brcmf_proto_ioctl(&drvr_priv->pub, ifidx, &ioc, ioc.buf, ioc.len); - if (ret < 0) { - BRCMF_ERROR(("%s: could not set toe_ol: ret=%d\n", - brcmf_ifname(&drvr_priv->pub, ifidx), ret)); - return ret; - } - - /* Enable toe globally only if any components are enabled. */ - - toe = (toe_ol != 0); - - strcpy(buf, "toe"); - memcpy(&buf[sizeof("toe")], &toe, sizeof(u32)); - - ret = brcmf_proto_ioctl(&drvr_priv->pub, ifidx, &ioc, ioc.buf, ioc.len); - if (ret < 0) { - BRCMF_ERROR(("%s: could not set toe: ret=%d\n", - brcmf_ifname(&drvr_priv->pub, ifidx), ret)); - return ret; - } - - return 0; -} - -static void brcmf_ethtool_get_drvinfo(struct net_device *net, - struct ethtool_drvinfo *info) -{ - struct brcmf_info *drvr_priv = *(struct brcmf_info **) netdev_priv(net); - - sprintf(info->driver, KBUILD_MODNAME); - sprintf(info->version, "%lu", drvr_priv->pub.drv_version); - sprintf(info->fw_version, "%s", BCM4329_FW_NAME); - sprintf(info->bus_info, "%s", - dev_name(&brcmf_cfg80211_get_sdio_func()->dev)); -} - -struct ethtool_ops brcmf_ethtool_ops = { - .get_drvinfo = brcmf_ethtool_get_drvinfo -}; - -static int brcmf_ethtool(struct brcmf_info *drvr_priv, void *uaddr) -{ - struct ethtool_drvinfo info; - char drvname[sizeof(info.driver)]; - u32 cmd; - struct ethtool_value edata; - u32 toe_cmpnt, csum_dir; - int ret; - - BRCMF_TRACE(("%s: Enter\n", __func__)); - - /* all ethtool calls start with a cmd word */ - if (copy_from_user(&cmd, uaddr, sizeof(u32))) - return -EFAULT; - - switch (cmd) { - case ETHTOOL_GDRVINFO: - /* Copy out any request driver name */ - if (copy_from_user(&info, uaddr, sizeof(info))) - return -EFAULT; - strncpy(drvname, info.driver, sizeof(info.driver)); - drvname[sizeof(info.driver) - 1] = '\0'; - - /* clear struct for return */ - memset(&info, 0, sizeof(info)); - info.cmd = cmd; - - /* if requested, identify ourselves */ - if (strcmp(drvname, "?dhd") == 0) { - sprintf(info.driver, "dhd"); - strcpy(info.version, BRCMF_VERSION_STR); - } - - /* otherwise, require dongle to be up */ - else if (!drvr_priv->pub.up) { - BRCMF_ERROR(("%s: dongle is not up\n", __func__)); - return -ENODEV; - } - - /* finally, report dongle driver type */ - else if (drvr_priv->pub.iswl) - sprintf(info.driver, "wl"); - else - sprintf(info.driver, "xx"); - - sprintf(info.version, "%lu", drvr_priv->pub.drv_version); - if (copy_to_user(uaddr, &info, sizeof(info))) - return -EFAULT; - BRCMF_CTL(("%s: given %*s, returning %s\n", __func__, - (int)sizeof(drvname), drvname, info.driver)); - break; - - /* Get toe offload components from dongle */ - case ETHTOOL_GRXCSUM: - case ETHTOOL_GTXCSUM: - ret = brcmf_toe_get(drvr_priv, 0, &toe_cmpnt); - if (ret < 0) - return ret; - - csum_dir = - (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; - - edata.cmd = cmd; - edata.data = (toe_cmpnt & csum_dir) ? 1 : 0; - - if (copy_to_user(uaddr, &edata, sizeof(edata))) - return -EFAULT; - break; - - /* Set toe offload components in dongle */ - case ETHTOOL_SRXCSUM: - case ETHTOOL_STXCSUM: - if (copy_from_user(&edata, uaddr, sizeof(edata))) - return -EFAULT; - - /* Read the current settings, update and write back */ - ret = brcmf_toe_get(drvr_priv, 0, &toe_cmpnt); - if (ret < 0) - return ret; - - csum_dir = - (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL; - - if (edata.data != 0) - toe_cmpnt |= csum_dir; - else - toe_cmpnt &= ~csum_dir; - - ret = brcmf_toe_set(drvr_priv, 0, toe_cmpnt); - if (ret < 0) - return ret; - - /* If setting TX checksum mode, tell Linux the new mode */ - if (cmd == ETHTOOL_STXCSUM) { - if (edata.data) - drvr_priv->iflist[0]->net->features |= - NETIF_F_IP_CSUM; - else - drvr_priv->iflist[0]->net->features &= - ~NETIF_F_IP_CSUM; - } - - break; - - default: - return -EOPNOTSUPP; - } - - return 0; -} - -static int brcmf_netdev_ioctl_entry(struct net_device *net, struct ifreq *ifr, - int cmd) -{ - struct brcmf_info *drvr_priv = *(struct brcmf_info **) netdev_priv(net); - struct brcmf_c_ioctl ioc; - int bcmerror = 0; - int buflen = 0; - void *buf = NULL; - uint driver = 0; - int ifidx; - bool is_set_key_cmd; - - ifidx = brcmf_net2idx(drvr_priv, net); - BRCMF_TRACE(("%s: ifidx %d, cmd 0x%04x\n", __func__, ifidx, cmd)); - - if (ifidx == BRCMF_BAD_IF) - return -1; - - if (cmd == SIOCETHTOOL) - return brcmf_ethtool(drvr_priv, (void *)ifr->ifr_data); - - if (cmd != SIOCDEVPRIVATE) - return -EOPNOTSUPP; - - memset(&ioc, 0, sizeof(ioc)); - - /* Copy the ioc control structure part of ioctl request */ - if (copy_from_user(&ioc, ifr->ifr_data, sizeof(struct brcmf_ioctl))) { - bcmerror = -EINVAL; - goto done; - } - - /* Copy out any buffer passed */ - if (ioc.buf) { - buflen = min_t(int, ioc.len, BRCMF_IOCTL_MAXLEN); - /* optimization for direct ioctl calls from kernel */ - /* - if (segment_eq(get_fs(), KERNEL_DS)) { - buf = ioc.buf; - } else { - */ - { - buf = kmalloc(buflen, GFP_ATOMIC); - if (!buf) { - bcmerror = -ENOMEM; - goto done; - } - if (copy_from_user(buf, ioc.buf, buflen)) { - bcmerror = -EINVAL; - goto done; - } - } - } - - /* To differentiate read 4 more byes */ - if ((copy_from_user(&driver, (char *)ifr->ifr_data + - sizeof(struct brcmf_ioctl), sizeof(uint)) != 0)) { - bcmerror = -EINVAL; - goto done; - } - - if (!capable(CAP_NET_ADMIN)) { - bcmerror = -EPERM; - goto done; - } - - /* check for local brcmf ioctl and handle it */ - if (driver == BRCMF_IOCTL_MAGIC) { - bcmerror = brcmf_c_ioctl((void *)&drvr_priv->pub, &ioc, buf, buflen); - if (bcmerror) - drvr_priv->pub.bcmerror = bcmerror; - goto done; - } - - /* send to dongle (must be up, and wl) */ - if ((drvr_priv->pub.busstate != BRCMF_BUS_DATA)) { - BRCMF_ERROR(("%s DONGLE_DOWN,__func__\n", __func__)); - bcmerror = -EIO; - goto done; - } - - if (!drvr_priv->pub.iswl) { - bcmerror = -EIO; - goto done; - } - - /* - * Intercept BRCMF_C_SET_KEY IOCTL - serialize M4 send and - * set key IOCTL to prevent M4 encryption. - */ - is_set_key_cmd = ((ioc.cmd == BRCMF_C_SET_KEY) || - ((ioc.cmd == BRCMF_C_SET_VAR) && - !(strncmp("wsec_key", ioc.buf, 9))) || - ((ioc.cmd == BRCMF_C_SET_VAR) && - !(strncmp("bsscfg:wsec_key", ioc.buf, 15)))); - if (is_set_key_cmd) - brcmf_netdev_wait_pend8021x(net); - - bcmerror = - brcmf_proto_ioctl(&drvr_priv->pub, ifidx, (struct brcmf_ioctl *)&ioc, - buf, buflen); - -done: - if (!bcmerror && buf && ioc.buf) { - if (copy_to_user(ioc.buf, buf, buflen)) - bcmerror = -EFAULT; - } - - kfree(buf); - - if (bcmerror > 0) - bcmerror = 0; - - return bcmerror; -} - -static int brcmf_netdev_stop(struct net_device *net) -{ -#if !defined(IGNORE_ETH0_DOWN) - struct brcmf_info *drvr_priv = *(struct brcmf_info **) netdev_priv(net); - - BRCMF_TRACE(("%s: Enter\n", __func__)); - brcmf_cfg80211_down(); - if (drvr_priv->pub.up == 0) - return 0; - - /* Set state and stop OS transmissions */ - drvr_priv->pub.up = 0; - netif_stop_queue(net); -#else - BRCMF_ERROR(("BYPASS %s:due to BRCM compilation: under investigation\n", - __func__)); -#endif /* !defined(IGNORE_ETH0_DOWN) */ - - return 0; -} - -static int brcmf_netdev_open(struct net_device *net) -{ - struct brcmf_info *drvr_priv = *(struct brcmf_info **) netdev_priv(net); - u32 toe_ol; - int ifidx = brcmf_net2idx(drvr_priv, net); - s32 ret = 0; - - BRCMF_TRACE(("%s: ifidx %d\n", __func__, ifidx)); - - if (ifidx == 0) { /* do it only for primary eth0 */ - - /* try to bring up bus */ - ret = brcmf_bus_start(&drvr_priv->pub); - if (ret != 0) { - BRCMF_ERROR(("%s: failed with code %d\n", - __func__, ret)); - return -1; - } - atomic_set(&drvr_priv->pend_8021x_cnt, 0); - - memcpy(net->dev_addr, drvr_priv->pub.mac, ETH_ALEN); - - /* Get current TOE mode from dongle */ - if (brcmf_toe_get(drvr_priv, ifidx, &toe_ol) >= 0 - && (toe_ol & TOE_TX_CSUM_OL) != 0) - drvr_priv->iflist[ifidx]->net->features |= - NETIF_F_IP_CSUM; - else - drvr_priv->iflist[ifidx]->net->features &= - ~NETIF_F_IP_CSUM; - } - /* Allow transmit calls */ - netif_start_queue(net); - drvr_priv->pub.up = 1; - if (unlikely(brcmf_cfg80211_up())) { - BRCMF_ERROR(("%s: failed to bring up cfg80211\n", - __func__)); - return -1; - } - - return ret; -} - -int -brcmf_add_if(struct brcmf_info *drvr_priv, int ifidx, void *handle, char *name, - u8 *mac_addr, u32 flags, u8 bssidx) -{ - struct brcmf_if *ifp; - - BRCMF_TRACE(("%s: idx %d, handle->%p\n", __func__, ifidx, handle)); - - ifp = drvr_priv->iflist[ifidx]; - if (!ifp) { - ifp = kmalloc(sizeof(struct brcmf_if), GFP_ATOMIC); - if (!ifp) { - BRCMF_ERROR(("%s: OOM - struct brcmf_if\n", __func__)); - return -ENOMEM; - } - } - - memset(ifp, 0, sizeof(struct brcmf_if)); - ifp->info = drvr_priv; - drvr_priv->iflist[ifidx] = ifp; - strlcpy(ifp->name, name, IFNAMSIZ); - if (mac_addr != NULL) - memcpy(&ifp->mac_addr, mac_addr, ETH_ALEN); - - if (handle == NULL) { - ifp->state = BRCMF_E_IF_ADD; - ifp->idx = ifidx; - up(&drvr_priv->sysioc_sem); - } else - ifp->net = (struct net_device *)handle; - - return 0; -} - -void brcmf_del_if(struct brcmf_info *drvr_priv, int ifidx) -{ - struct brcmf_if *ifp; - - BRCMF_TRACE(("%s: idx %d\n", __func__, ifidx)); - - ifp = drvr_priv->iflist[ifidx]; - if (!ifp) { - BRCMF_ERROR(("%s: Null interface\n", __func__)); - return; - } - - ifp->state = BRCMF_E_IF_DEL; - ifp->idx = ifidx; - up(&drvr_priv->sysioc_sem); -} - -struct brcmf_pub *brcmf_attach(struct brcmf_bus *bus, uint bus_hdrlen) -{ - struct brcmf_info *drvr_priv = NULL; - struct net_device *net; - - BRCMF_TRACE(("%s: Enter\n", __func__)); - - /* Allocate etherdev, including space for private structure */ - net = alloc_etherdev(sizeof(drvr_priv)); - if (!net) { - BRCMF_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); - goto fail; - } - - /* Allocate primary brcmf_info */ - drvr_priv = kzalloc(sizeof(struct brcmf_info), GFP_ATOMIC); - if (!drvr_priv) { - BRCMF_ERROR(("%s: OOM - alloc brcmf_info\n", __func__)); - goto fail; - } - - /* - * Save the brcmf_info into the priv - */ - memcpy(netdev_priv(net), &drvr_priv, sizeof(drvr_priv)); - - /* Set network interface name if it was provided as module parameter */ - if (iface_name[0]) { - int len; - char ch; - strncpy(net->name, iface_name, IFNAMSIZ); - net->name[IFNAMSIZ - 1] = 0; - len = strlen(net->name); - ch = net->name[len - 1]; - if ((ch > '9' || ch < '0') && (len < IFNAMSIZ - 2)) - strcat(net->name, "%d"); - } - - if (brcmf_add_if(drvr_priv, 0, (void *)net, net->name, NULL, 0, 0) == - BRCMF_BAD_IF) - goto fail; - - net->netdev_ops = NULL; - sema_init(&drvr_priv->proto_sem, 1); - /* Initialize other structure content */ - init_waitqueue_head(&drvr_priv->ioctl_resp_wait); - - /* Link to info module */ - drvr_priv->pub.info = drvr_priv; - - /* Link to bus module */ - drvr_priv->pub.bus = bus; - drvr_priv->pub.hdrlen = bus_hdrlen; - - /* Attach and link in the protocol */ - if (brcmf_proto_attach(&drvr_priv->pub) != 0) { - BRCMF_ERROR(("brcmf_prot_attach failed\n")); - goto fail; - } - - /* Attach and link in the cfg80211 */ - if (unlikely(brcmf_cfg80211_attach(net, &drvr_priv->pub))) { - BRCMF_ERROR(("wl_cfg80211_attach failed\n")); - goto fail; - } - - if (brcmf_sysioc) { - sema_init(&drvr_priv->sysioc_sem, 0); - drvr_priv->sysioc_tsk = kthread_run(_brcmf_sysioc_thread, drvr_priv, - "_brcmf_sysioc"); - if (IS_ERR(drvr_priv->sysioc_tsk)) { - printk(KERN_WARNING - "_brcmf_sysioc thread failed to start\n"); - drvr_priv->sysioc_tsk = NULL; - } - } else - drvr_priv->sysioc_tsk = NULL; - - /* - * Save the brcmf_info into the priv - */ - memcpy(netdev_priv(net), &drvr_priv, sizeof(drvr_priv)); - -#if defined(CONFIG_PM_SLEEP) - atomic_set(&brcmf_mmc_suspend, false); -#endif /* defined(CONFIG_PM_SLEEP) */ - return &drvr_priv->pub; - -fail: - if (net) - free_netdev(net); - if (drvr_priv) - brcmf_detach(&drvr_priv->pub); - - return NULL; -} - -int brcmf_bus_start(struct brcmf_pub *drvr) -{ - int ret = -1; - struct brcmf_info *drvr_priv = drvr->info; - /* Room for "event_msgs" + '\0' + bitvec */ - char iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; - - BRCMF_TRACE(("%s:\n", __func__)); - - /* Bring up the bus */ - ret = brcmf_sdbrcm_bus_init(&drvr_priv->pub, true); - if (ret != 0) { - BRCMF_ERROR(("%s, brcmf_sdbrcm_bus_init failed %d\n", __func__, - ret)); - return ret; - } - - /* If bus is not ready, can't come up */ - if (drvr_priv->pub.busstate != BRCMF_BUS_DATA) { - BRCMF_ERROR(("%s failed bus is not ready\n", __func__)); - return -ENODEV; - } - - brcmu_mkiovar("event_msgs", drvr->eventmask, BRCMF_EVENTING_MASK_LEN, - iovbuf, sizeof(iovbuf)); - brcmf_proto_cdc_query_ioctl(drvr, 0, BRCMF_C_GET_VAR, iovbuf, - sizeof(iovbuf)); - memcpy(drvr->eventmask, iovbuf, BRCMF_EVENTING_MASK_LEN); - - setbit(drvr->eventmask, BRCMF_E_SET_SSID); - setbit(drvr->eventmask, BRCMF_E_PRUNE); - setbit(drvr->eventmask, BRCMF_E_AUTH); - setbit(drvr->eventmask, BRCMF_E_REASSOC); - setbit(drvr->eventmask, BRCMF_E_REASSOC_IND); - setbit(drvr->eventmask, BRCMF_E_DEAUTH_IND); - setbit(drvr->eventmask, BRCMF_E_DISASSOC_IND); - setbit(drvr->eventmask, BRCMF_E_DISASSOC); - setbit(drvr->eventmask, BRCMF_E_JOIN); - setbit(drvr->eventmask, BRCMF_E_ASSOC_IND); - setbit(drvr->eventmask, BRCMF_E_PSK_SUP); - setbit(drvr->eventmask, BRCMF_E_LINK); - setbit(drvr->eventmask, BRCMF_E_NDIS_LINK); - setbit(drvr->eventmask, BRCMF_E_MIC_ERROR); - setbit(drvr->eventmask, BRCMF_E_PMKID_CACHE); - setbit(drvr->eventmask, BRCMF_E_TXFAIL); - setbit(drvr->eventmask, BRCMF_E_JOIN_START); - setbit(drvr->eventmask, BRCMF_E_SCAN_COMPLETE); - -/* enable dongle roaming event */ - - drvr->pktfilter_count = 1; - /* Setup filter to allow only unicast */ - drvr->pktfilter[0] = "100 0 0 0 0x01 0x00"; - - /* Bus is ready, do any protocol initialization */ - ret = brcmf_proto_init(&drvr_priv->pub); - if (ret < 0) - return ret; - - return 0; -} - -static struct net_device_ops brcmf_netdev_ops_pri = { - .ndo_open = brcmf_netdev_open, - .ndo_stop = brcmf_netdev_stop, - .ndo_get_stats = brcmf_netdev_get_stats, - .ndo_do_ioctl = brcmf_netdev_ioctl_entry, - .ndo_start_xmit = brcmf_netdev_start_xmit, - .ndo_set_mac_address = brcmf_netdev_set_mac_address, - .ndo_set_rx_mode = brcmf_netdev_set_multicast_list, -}; - -int brcmf_net_attach(struct brcmf_pub *drvr, int ifidx) -{ - struct brcmf_info *drvr_priv = drvr->info; - struct net_device *net; - u8 temp_addr[ETH_ALEN] = { - 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33}; - - BRCMF_TRACE(("%s: ifidx %d\n", __func__, ifidx)); - - net = drvr_priv->iflist[ifidx]->net; - net->netdev_ops = &brcmf_netdev_ops_pri; - - /* - * We have to use the primary MAC for virtual interfaces - */ - if (ifidx != 0) { - /* for virtual interfaces use the primary MAC */ - memcpy(temp_addr, drvr_priv->pub.mac, ETH_ALEN); - - } - - if (ifidx == 1) { - BRCMF_TRACE(("%s ACCESS POINT MAC:\n", __func__)); - /* ACCESSPOINT INTERFACE CASE */ - temp_addr[0] |= 0X02; /* set bit 2 , - - Locally Administered address */ - - } - net->hard_header_len = ETH_HLEN + drvr_priv->pub.hdrlen; - net->ethtool_ops = &brcmf_ethtool_ops; - - drvr_priv->pub.rxsz = net->mtu + net->hard_header_len + - drvr_priv->pub.hdrlen; - - memcpy(net->dev_addr, temp_addr, ETH_ALEN); - - if (register_netdev(net) != 0) { - BRCMF_ERROR(("%s: couldn't register the net device\n", - __func__)); - goto fail; - } - - BRCMF_INFO(("%s: Broadcom Dongle Host Driver\n", net->name)); - - return 0; - -fail: - net->netdev_ops = NULL; - return -EBADE; -} - -static void brcmf_bus_detach(struct brcmf_pub *drvr) -{ - struct brcmf_info *drvr_priv; - - BRCMF_TRACE(("%s: Enter\n", __func__)); - - if (drvr) { - drvr_priv = drvr->info; - if (drvr_priv) { - /* Stop the protocol module */ - brcmf_proto_stop(&drvr_priv->pub); - - /* Stop the bus module */ - brcmf_sdbrcm_bus_stop(drvr_priv->pub.bus, true); - } - } -} - -void brcmf_detach(struct brcmf_pub *drvr) -{ - struct brcmf_info *drvr_priv; - - BRCMF_TRACE(("%s: Enter\n", __func__)); - - if (drvr) { - drvr_priv = drvr->info; - if (drvr_priv) { - struct brcmf_if *ifp; - int i; - - for (i = 1; i < BRCMF_MAX_IFS; i++) - if (drvr_priv->iflist[i]) - brcmf_del_if(drvr_priv, i); - - ifp = drvr_priv->iflist[0]; - if (ifp->net->netdev_ops == &brcmf_netdev_ops_pri) { - brcmf_netdev_stop(ifp->net); - unregister_netdev(ifp->net); - } - - if (drvr_priv->sysioc_tsk) { - send_sig(SIGTERM, drvr_priv->sysioc_tsk, 1); - kthread_stop(drvr_priv->sysioc_tsk); - drvr_priv->sysioc_tsk = NULL; - } - - brcmf_bus_detach(drvr); - - if (drvr->prot) - brcmf_proto_detach(drvr); - - brcmf_cfg80211_detach(); - - free_netdev(ifp->net); - kfree(ifp); - kfree(drvr_priv); - } - } -} - -static void __exit brcmf_module_cleanup(void) -{ - BRCMF_TRACE(("%s: Enter\n", __func__)); - - brcmf_bus_unregister(); -} - -static int __init brcmf_module_init(void) -{ - int error; - - BRCMF_TRACE(("%s: Enter\n", __func__)); - - error = brcmf_bus_register(); - - if (error) { - BRCMF_ERROR(("%s: brcmf_bus_register failed\n", __func__)); - goto failed; - } - return 0; - -failed: - return -EINVAL; -} - -module_init(brcmf_module_init); -module_exit(brcmf_module_cleanup); - -int brcmf_os_proto_block(struct brcmf_pub *drvr) -{ - struct brcmf_info *drvr_priv = drvr->info; - - if (drvr_priv) { - down(&drvr_priv->proto_sem); - return 1; - } - return 0; -} - -int brcmf_os_proto_unblock(struct brcmf_pub *drvr) -{ - struct brcmf_info *drvr_priv = drvr->info; - - if (drvr_priv) { - up(&drvr_priv->proto_sem); - return 1; - } - - return 0; -} - -unsigned int brcmf_os_get_ioctl_resp_timeout(void) -{ - return (unsigned int)brcmf_ioctl_timeout_msec; -} - -void brcmf_os_set_ioctl_resp_timeout(unsigned int timeout_msec) -{ - brcmf_ioctl_timeout_msec = (int)timeout_msec; -} - -int brcmf_os_ioctl_resp_wait(struct brcmf_pub *drvr, uint *condition, - bool *pending) -{ - struct brcmf_info *drvr_priv = drvr->info; - DECLARE_WAITQUEUE(wait, current); - int timeout = brcmf_ioctl_timeout_msec; - - /* Convert timeout in millsecond to jiffies */ - timeout = timeout * HZ / 1000; - - /* Wait until control frame is available */ - add_wait_queue(&drvr_priv->ioctl_resp_wait, &wait); - set_current_state(TASK_INTERRUPTIBLE); - - while (!(*condition) && (!signal_pending(current) && timeout)) - timeout = schedule_timeout(timeout); - - if (signal_pending(current)) - *pending = true; - - set_current_state(TASK_RUNNING); - remove_wait_queue(&drvr_priv->ioctl_resp_wait, &wait); - - return timeout; -} - -int brcmf_os_ioctl_resp_wake(struct brcmf_pub *drvr) -{ - struct brcmf_info *drvr_priv = drvr->info; - - if (waitqueue_active(&drvr_priv->ioctl_resp_wait)) - wake_up_interruptible(&drvr_priv->ioctl_resp_wait); - - return 0; -} - -static int brcmf_host_event(struct brcmf_info *drvr_priv, int *ifidx, void *pktdata, - struct brcmf_event_msg *event, void **data) -{ - int bcmerror = 0; - - bcmerror = brcmf_c_host_event(drvr_priv, ifidx, pktdata, event, data); - if (bcmerror != 0) - return bcmerror; - - if (drvr_priv->iflist[*ifidx]->net) - brcmf_cfg80211_event(drvr_priv->iflist[*ifidx]->net, - event, *data); - - return bcmerror; -} - -int brcmf_netdev_reset(struct net_device *dev, u8 flag) -{ - struct brcmf_info *drvr_priv = *(struct brcmf_info **)netdev_priv(dev); - - brcmf_bus_devreset(&drvr_priv->pub, flag); - - return 1; -} - -static int brcmf_get_pend_8021x_cnt(struct brcmf_info *drvr_priv) -{ - return atomic_read(&drvr_priv->pend_8021x_cnt); -} - -#define MAX_WAIT_FOR_8021X_TX 10 - -int brcmf_netdev_wait_pend8021x(struct net_device *dev) -{ - struct brcmf_info *drvr_priv = *(struct brcmf_info **)netdev_priv(dev); - int timeout = 10 * HZ / 1000; - int ntimes = MAX_WAIT_FOR_8021X_TX; - int pend = brcmf_get_pend_8021x_cnt(drvr_priv); - - while (ntimes && pend) { - if (pend) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(timeout); - set_current_state(TASK_RUNNING); - ntimes--; - } - pend = brcmf_get_pend_8021x_cnt(drvr_priv); - } - return pend; -} - -#ifdef BCMDBG -int brcmf_write_to_file(struct brcmf_pub *drvr, u8 *buf, int size) -{ - int ret = 0; - struct file *fp; - mm_segment_t old_fs; - loff_t pos = 0; - - /* change to KERNEL_DS address limit */ - old_fs = get_fs(); - set_fs(KERNEL_DS); - - /* open file to write */ - fp = filp_open("/tmp/mem_dump", O_WRONLY | O_CREAT, 0640); - if (!fp) { - BRCMF_ERROR(("%s: open file error\n", __func__)); - ret = -1; - goto exit; - } - - /* Write buf to file */ - fp->f_op->write(fp, buf, size, &pos); - -exit: - /* free buf before return */ - kfree(buf); - /* close file before return */ - if (fp) - filp_close(fp, current->files); - /* restore previous address limit */ - set_fs(old_fs); - - return ret; -} -#endif /* BCMDBG */ |
