diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c')
-rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c | 716 |
1 files changed, 206 insertions, 510 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index d7c76ce9d8cb..74a616b4de8e 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -16,27 +16,11 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -#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/hardirq.h> -#include <linux/mutex.h> -#include <linux/wait.h> #include <linux/module.h> #include <net/cfg80211.h> #include <net/rtnetlink.h> -#include <defs.h> #include <brcmu_utils.h> #include <brcmu_wifi.h> @@ -45,55 +29,29 @@ #include "dhd_proto.h" #include "dhd_dbg.h" #include "wl_cfg80211.h" +#include "fwil.h" MODULE_AUTHOR("Broadcom Corporation"); -MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac driver."); -MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac cards"); +MODULE_DESCRIPTION("Broadcom 802.11 wireless LAN fullmac driver."); +MODULE_SUPPORTED_DEVICE("Broadcom 802.11 WLAN fullmac cards"); MODULE_LICENSE("Dual BSD/GPL"); - -/* Interface control information */ -struct brcmf_if { - struct brcmf_pub *drvr; /* back pointer to brcmf_pub */ - /* OS/stack specifics */ - struct net_device *ndev; - struct net_device_stats stats; - int idx; /* iface idx in dongle */ - u8 mac_addr[ETH_ALEN]; /* assigned MAC address */ -}; +#define MAX_WAIT_FOR_8021X_TX 50 /* msecs */ /* Error bits */ -int brcmf_msg_level = BRCMF_ERROR_VAL; +int brcmf_msg_level; module_param(brcmf_msg_level, int, 0); -int brcmf_ifname2idx(struct brcmf_pub *drvr, char *name) -{ - int i = BRCMF_MAX_IFS; - struct brcmf_if *ifp; - - if (name == NULL || *name == '\0') - return 0; - - while (--i > 0) { - ifp = drvr->iflist[i]; - if (ifp && !strncmp(ifp->ndev->name, name, IFNAMSIZ)) - break; - } - - brcmf_dbg(TRACE, "return idx %d for \"%s\"\n", i, name); - - return i; /* default - the primary interface */ -} char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx) { if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) { - brcmf_dbg(ERROR, "ifidx %d out of range\n", ifidx); + brcmf_err("ifidx %d out of range\n", ifidx); return "<if_bad>"; } if (drvr->iflist[ifidx] == NULL) { - brcmf_dbg(ERROR, "null i/f %d\n", ifidx); + brcmf_err("null i/f %d\n", ifidx); return "<if_null>"; } @@ -105,38 +63,33 @@ char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx) static void _brcmf_set_multicast_list(struct work_struct *work) { + struct brcmf_if *ifp; struct net_device *ndev; struct netdev_hw_addr *ha; - u32 dcmd_value, cnt; + u32 cmd_value, cnt; __le32 cnt_le; - __le32 dcmd_le_value; - - struct brcmf_dcmd dcmd; char *buf, *bufp; - uint buflen; - int ret; + u32 buflen; + s32 err; - struct brcmf_pub *drvr = container_of(work, struct brcmf_pub, - multicast_work); + brcmf_dbg(TRACE, "enter\n"); - ndev = drvr->iflist[0]->ndev; - cnt = netdev_mc_count(ndev); + ifp = container_of(work, struct brcmf_if, multicast_work); + ndev = ifp->ndev; /* Determine initial value of allmulti flag */ - dcmd_value = (ndev->flags & IFF_ALLMULTI) ? true : false; + cmd_value = (ndev->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) + cnt = netdev_mc_count(ndev); + buflen = sizeof(cnt) + (cnt * ETH_ALEN); + buf = kmalloc(buflen, GFP_ATOMIC); + if (!buf) return; - - strcpy(bufp, "mcast_list"); - bufp += strlen("mcast_list") + 1; + bufp = buf; cnt_le = cpu_to_le32(cnt); - memcpy(bufp, &cnt_le, sizeof(cnt)); + memcpy(bufp, &cnt_le, sizeof(cnt_le)); bufp += sizeof(cnt_le); netdev_for_each_mc_addr(ha, ndev) { @@ -147,129 +100,66 @@ static void _brcmf_set_multicast_list(struct work_struct *work) cnt--; } - memset(&dcmd, 0, sizeof(dcmd)); - dcmd.cmd = BRCMF_C_SET_VAR; - dcmd.buf = buf; - dcmd.len = buflen; - dcmd.set = true; - - ret = brcmf_proto_dcmd(drvr, 0, &dcmd, dcmd.len); - if (ret < 0) { - brcmf_dbg(ERROR, "%s: set mcast_list failed, cnt %d\n", - brcmf_ifname(drvr, 0), cnt); - dcmd_value = cnt ? true : dcmd_value; + err = brcmf_fil_iovar_data_set(ifp, "mcast_list", buf, buflen); + if (err < 0) { + brcmf_err("Setting mcast_list failed, %d\n", err); + cmd_value = cnt ? true : cmd_value; } kfree(buf); - /* Now send the allmulti setting. This is based on the setting in the + /* + * 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... */ + err = brcmf_fil_iovar_int_set(ifp, "allmulti", cmd_value); + if (err < 0) + brcmf_err("Setting allmulti failed, %d\n", err); - buflen = sizeof("allmulti") + sizeof(dcmd_value); - buf = kmalloc(buflen, GFP_ATOMIC); - if (!buf) - return; - - dcmd_le_value = cpu_to_le32(dcmd_value); - - if (!brcmf_c_mkiovar - ("allmulti", (void *)&dcmd_le_value, - sizeof(dcmd_le_value), buf, buflen)) { - brcmf_dbg(ERROR, "%s: mkiovar failed for allmulti, datalen %d buflen %u\n", - brcmf_ifname(drvr, 0), - (int)sizeof(dcmd_value), buflen); - kfree(buf); - return; - } - - memset(&dcmd, 0, sizeof(dcmd)); - dcmd.cmd = BRCMF_C_SET_VAR; - dcmd.buf = buf; - dcmd.len = buflen; - dcmd.set = true; - - ret = brcmf_proto_dcmd(drvr, 0, &dcmd, dcmd.len); - if (ret < 0) { - brcmf_dbg(ERROR, "%s: set allmulti %d failed\n", - brcmf_ifname(drvr, 0), - le32_to_cpu(dcmd_le_value)); - } - - kfree(buf); - - /* Finally, pick up the PROMISC flag as well, like the NIC - driver does */ - - dcmd_value = (ndev->flags & IFF_PROMISC) ? true : false; - dcmd_le_value = cpu_to_le32(dcmd_value); - - memset(&dcmd, 0, sizeof(dcmd)); - dcmd.cmd = BRCMF_C_SET_PROMISC; - dcmd.buf = &dcmd_le_value; - dcmd.len = sizeof(dcmd_le_value); - dcmd.set = true; - - ret = brcmf_proto_dcmd(drvr, 0, &dcmd, dcmd.len); - if (ret < 0) { - brcmf_dbg(ERROR, "%s: set promisc %d failed\n", - brcmf_ifname(drvr, 0), - le32_to_cpu(dcmd_le_value)); - } + /*Finally, pick up the PROMISC flag */ + cmd_value = (ndev->flags & IFF_PROMISC) ? true : false; + err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PROMISC, cmd_value); + if (err < 0) + brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n", + err); } static void _brcmf_set_mac_address(struct work_struct *work) { - char buf[32]; - struct brcmf_dcmd dcmd; - int ret; - - struct brcmf_pub *drvr = container_of(work, struct brcmf_pub, - setmacaddr_work); + struct brcmf_if *ifp; + s32 err; brcmf_dbg(TRACE, "enter\n"); - if (!brcmf_c_mkiovar("cur_etheraddr", (char *)drvr->macvalue, - ETH_ALEN, buf, 32)) { - brcmf_dbg(ERROR, "%s: mkiovar failed for cur_etheraddr\n", - brcmf_ifname(drvr, 0)); - return; - } - memset(&dcmd, 0, sizeof(dcmd)); - dcmd.cmd = BRCMF_C_SET_VAR; - dcmd.buf = buf; - dcmd.len = 32; - dcmd.set = true; - - ret = brcmf_proto_dcmd(drvr, 0, &dcmd, dcmd.len); - if (ret < 0) - brcmf_dbg(ERROR, "%s: set cur_etheraddr failed\n", - brcmf_ifname(drvr, 0)); - else - memcpy(drvr->iflist[0]->ndev->dev_addr, - drvr->macvalue, ETH_ALEN); - return; + ifp = container_of(work, struct brcmf_if, setmacaddr_work); + err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", ifp->mac_addr, + ETH_ALEN); + if (err < 0) { + brcmf_err("Setting cur_etheraddr failed, %d\n", err); + } else { + brcmf_dbg(TRACE, "MAC address updated to %pM\n", + ifp->mac_addr); + memcpy(ifp->ndev->dev_addr, ifp->mac_addr, ETH_ALEN); + } } static int brcmf_netdev_set_mac_address(struct net_device *ndev, void *addr) { struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; struct sockaddr *sa = (struct sockaddr *)addr; - memcpy(&drvr->macvalue, sa->sa_data, ETH_ALEN); - schedule_work(&drvr->setmacaddr_work); + memcpy(&ifp->mac_addr, sa->sa_data, ETH_ALEN); + schedule_work(&ifp->setmacaddr_work); return 0; } static void brcmf_netdev_set_multicast_list(struct net_device *ndev) { struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - schedule_work(&drvr->multicast_work); + schedule_work(&ifp->multicast_work); } static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev) @@ -282,8 +172,8 @@ static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev) /* Reject if down */ if (!drvr->bus_if->drvr_up || - (drvr->bus_if->state == BRCMF_BUS_DOWN)) { - brcmf_dbg(ERROR, "xmit rejected drvup=%d state=%d\n", + (drvr->bus_if->state != BRCMF_BUS_DATA)) { + brcmf_err("xmit rejected drvup=%d state=%d\n", drvr->bus_if->drvr_up, drvr->bus_if->state); netif_stop_queue(ndev); @@ -291,7 +181,7 @@ static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev) } if (!drvr->iflist[ifp->idx]) { - brcmf_dbg(ERROR, "bad ifidx %d\n", ifp->idx); + brcmf_err("bad ifidx %d\n", ifp->idx); netif_stop_queue(ndev); return -ENODEV; } @@ -307,7 +197,7 @@ static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev) dev_kfree_skb(skb); skb = skb2; if (skb == NULL) { - brcmf_dbg(ERROR, "%s: skb_realloc_headroom failed\n", + brcmf_err("%s: skb_realloc_headroom failed\n", brcmf_ifname(drvr, ifp->idx)); ret = -ENOMEM; goto done; @@ -329,7 +219,7 @@ static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev) brcmf_proto_hdrpush(drvr, ifp->idx, skb); /* Use bus module to send data frame */ - ret = drvr->bus_if->brcmf_bus_txdata(drvr->dev, skb); + ret = brcmf_bus_txdata(drvr->bus_if, skb); done: if (ret) @@ -360,32 +250,13 @@ void brcmf_txflowblock(struct device *dev, bool state) } } -static int brcmf_host_event(struct brcmf_pub *drvr, int *ifidx, - void *pktdata, struct brcmf_event_msg *event, - void **data) -{ - int bcmerror = 0; - - bcmerror = brcmf_c_host_event(drvr, ifidx, pktdata, event, data); - if (bcmerror != 0) - return bcmerror; - - if (drvr->iflist[*ifidx]->ndev) - brcmf_cfg80211_event(drvr->iflist[*ifidx]->ndev, - event, *data); - - return bcmerror; -} - -void brcmf_rx_frame(struct device *dev, int ifidx, +void brcmf_rx_frame(struct device *dev, u8 ifidx, struct sk_buff_head *skb_list) { unsigned char *eth; uint len; - void *data; struct sk_buff *skb, *pnext; struct brcmf_if *ifp; - struct brcmf_event_msg event; struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_pub *drvr = bus_if->drvr; @@ -432,10 +303,7 @@ void brcmf_rx_frame(struct device *dev, int ifidx, 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, &ifidx, - skb_mac_header(skb), - &event, &data); + brcmf_fweh_process_skb(drvr, skb, &ifidx); if (drvr->iflist[ifidx]) { ifp = drvr->iflist[ifidx]; @@ -471,9 +339,11 @@ void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success) eh = (struct ethhdr *)(txp->data); type = ntohs(eh->h_proto); - if (type == ETH_P_PAE) + if (type == ETH_P_PAE) { atomic_dec(&drvr->pend_8021x_cnt); - + if (waitqueue_active(&drvr->pend_8021x_wait)) + wake_up(&drvr->pend_8021x_wait); + } } static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev) @@ -497,83 +367,26 @@ static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev) 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_pub *drvr, int ifidx, u32 *toe_ol) -{ - struct brcmf_dcmd dcmd; - __le32 toe_le; - char buf[32]; - int ret; - - memset(&dcmd, 0, sizeof(dcmd)); - - dcmd.cmd = BRCMF_C_GET_VAR; - dcmd.buf = buf; - dcmd.len = (uint) sizeof(buf); - dcmd.set = false; - - strcpy(buf, "toe_ol"); - ret = brcmf_proto_dcmd(drvr, ifidx, &dcmd, dcmd.len); - if (ret < 0) { - /* Check for older dongle image that doesn't support toe_ol */ - if (ret == -EIO) { - brcmf_dbg(ERROR, "%s: toe not supported by device\n", - brcmf_ifname(drvr, ifidx)); - return -EOPNOTSUPP; - } - - brcmf_dbg(INFO, "%s: could not get toe_ol: ret=%d\n", - brcmf_ifname(drvr, ifidx), ret); - return ret; - } - - memcpy(&toe_le, buf, sizeof(u32)); - *toe_ol = le32_to_cpu(toe_le); - return 0; -} - -/* Set current toe component enables in toe_ol iovar, - and set toe global enable iovar */ -static int brcmf_toe_set(struct brcmf_pub *drvr, int ifidx, u32 toe_ol) +/* + * Set current toe component enables in toe_ol iovar, + * and set toe global enable iovar + */ +static int brcmf_toe_set(struct brcmf_if *ifp, u32 toe_ol) { - struct brcmf_dcmd dcmd; - char buf[32]; - int ret; - __le32 toe_le = cpu_to_le32(toe_ol); - - memset(&dcmd, 0, sizeof(dcmd)); - - dcmd.cmd = BRCMF_C_SET_VAR; - dcmd.buf = buf; - dcmd.len = (uint) sizeof(buf); - dcmd.set = true; - - /* Set toe_ol as requested */ - strcpy(buf, "toe_ol"); - memcpy(&buf[sizeof("toe_ol")], &toe_le, sizeof(u32)); + s32 err; - ret = brcmf_proto_dcmd(drvr, ifidx, &dcmd, dcmd.len); - if (ret < 0) { - brcmf_dbg(ERROR, "%s: could not set toe_ol: ret=%d\n", - brcmf_ifname(drvr, ifidx), ret); - return ret; + err = brcmf_fil_iovar_int_set(ifp, "toe_ol", toe_ol); + if (err < 0) { + brcmf_err("Setting toe_ol failed, %d\n", err); + return err; } - /* Enable toe globally only if any components are enabled. */ - toe_le = cpu_to_le32(toe_ol != 0); - - strcpy(buf, "toe"); - memcpy(&buf[sizeof("toe")], &toe_le, sizeof(u32)); + err = brcmf_fil_iovar_int_set(ifp, "toe", (toe_ol != 0)); + if (err < 0) + brcmf_err("Setting toe failed, %d\n", err); - ret = brcmf_proto_dcmd(drvr, ifidx, &dcmd, dcmd.len); - if (ret < 0) { - brcmf_dbg(ERROR, "%s: could not set toe: ret=%d\n", - brcmf_ifname(drvr, ifidx), ret); - return ret; - } + return err; - return 0; } static void brcmf_ethtool_get_drvinfo(struct net_device *ndev, @@ -584,15 +397,16 @@ static void brcmf_ethtool_get_drvinfo(struct net_device *ndev, sprintf(info->driver, KBUILD_MODNAME); sprintf(info->version, "%lu", drvr->drv_version); - sprintf(info->bus_info, "%s", dev_name(drvr->dev)); + sprintf(info->bus_info, "%s", dev_name(drvr->bus_if->dev)); } static const struct ethtool_ops brcmf_ethtool_ops = { .get_drvinfo = brcmf_ethtool_get_drvinfo, }; -static int brcmf_ethtool(struct brcmf_pub *drvr, void __user *uaddr) +static int brcmf_ethtool(struct brcmf_if *ifp, void __user *uaddr) { + struct brcmf_pub *drvr = ifp->drvr; struct ethtool_drvinfo info; char drvname[sizeof(info.driver)]; u32 cmd; @@ -626,15 +440,12 @@ static int brcmf_ethtool(struct brcmf_pub *drvr, void __user *uaddr) /* otherwise, require dongle to be up */ else if (!drvr->bus_if->drvr_up) { - brcmf_dbg(ERROR, "dongle is not up\n"); + brcmf_err("dongle is not up\n"); return -ENODEV; } - /* finally, report dongle driver type */ - else if (drvr->iswl) - sprintf(info.driver, "wl"); else - sprintf(info.driver, "xx"); + sprintf(info.driver, "wl"); sprintf(info.version, "%lu", drvr->drv_version); if (copy_to_user(uaddr, &info, sizeof(info))) @@ -646,7 +457,7 @@ static int brcmf_ethtool(struct brcmf_pub *drvr, void __user *uaddr) /* Get toe offload components from dongle */ case ETHTOOL_GRXCSUM: case ETHTOOL_GTXCSUM: - ret = brcmf_toe_get(drvr, 0, &toe_cmpnt); + ret = brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_cmpnt); if (ret < 0) return ret; @@ -667,7 +478,7 @@ static int brcmf_ethtool(struct brcmf_pub *drvr, void __user *uaddr) return -EFAULT; /* Read the current settings, update and write back */ - ret = brcmf_toe_get(drvr, 0, &toe_cmpnt); + ret = brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_cmpnt); if (ret < 0) return ret; @@ -679,18 +490,16 @@ static int brcmf_ethtool(struct brcmf_pub *drvr, void __user *uaddr) else toe_cmpnt &= ~csum_dir; - ret = brcmf_toe_set(drvr, 0, toe_cmpnt); + ret = brcmf_toe_set(ifp, 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->iflist[0]->ndev->features |= - NETIF_F_IP_CSUM; + ifp->ndev->features |= NETIF_F_IP_CSUM; else - drvr->iflist[0]->ndev->features &= - ~NETIF_F_IP_CSUM; + ifp->ndev->features &= ~NETIF_F_IP_CSUM; } break; @@ -714,80 +523,23 @@ static int brcmf_netdev_ioctl_entry(struct net_device *ndev, struct ifreq *ifr, return -1; if (cmd == SIOCETHTOOL) - return brcmf_ethtool(drvr, ifr->ifr_data); + return brcmf_ethtool(ifp, ifr->ifr_data); return -EOPNOTSUPP; } -/* called only from within this driver. Sends a command to the dongle. */ -s32 brcmf_exec_dcmd(struct net_device *ndev, u32 cmd, void *arg, u32 len) -{ - struct brcmf_dcmd dcmd; - s32 err = 0; - int buflen = 0; - bool is_set_key_cmd; - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - - memset(&dcmd, 0, sizeof(dcmd)); - dcmd.cmd = cmd; - dcmd.buf = arg; - dcmd.len = len; - - if (dcmd.buf != NULL) - buflen = min_t(uint, dcmd.len, BRCMF_DCMD_MAXLEN); - - /* send to dongle (must be up, and wl) */ - if ((drvr->bus_if->state != BRCMF_BUS_DATA)) { - brcmf_dbg(ERROR, "DONGLE_DOWN\n"); - err = -EIO; - goto done; - } - - if (!drvr->iswl) { - err = -EIO; - goto done; - } - - /* - * Intercept BRCMF_C_SET_KEY CMD - serialize M4 send and - * set key CMD to prevent M4 encryption. - */ - is_set_key_cmd = ((dcmd.cmd == BRCMF_C_SET_KEY) || - ((dcmd.cmd == BRCMF_C_SET_VAR) && - !(strncmp("wsec_key", dcmd.buf, 9))) || - ((dcmd.cmd == BRCMF_C_SET_VAR) && - !(strncmp("bsscfg:wsec_key", dcmd.buf, 15)))); - if (is_set_key_cmd) - brcmf_netdev_wait_pend8021x(ndev); - - err = brcmf_proto_dcmd(drvr, ifp->idx, &dcmd, buflen); - -done: - if (err > 0) - err = 0; - - return err; -} - -int brcmf_netlink_dcmd(struct net_device *ndev, struct brcmf_dcmd *dcmd) -{ - brcmf_dbg(TRACE, "enter: cmd %x buf %p len %d\n", - dcmd->cmd, dcmd->buf, dcmd->len); - - return brcmf_exec_dcmd(ndev, dcmd->cmd, dcmd->buf, dcmd->len); -} - static int brcmf_netdev_stop(struct net_device *ndev) { struct brcmf_if *ifp = netdev_priv(ndev); struct brcmf_pub *drvr = ifp->drvr; brcmf_dbg(TRACE, "Enter\n"); - brcmf_cfg80211_down(drvr->config); + if (drvr->bus_if->drvr_up == 0) return 0; + brcmf_cfg80211_down(ndev); + /* Set state and stop OS transmissions */ drvr->bus_if->drvr_up = false; netif_stop_queue(ndev); @@ -802,39 +554,36 @@ static int brcmf_netdev_open(struct net_device *ndev) struct brcmf_bus *bus_if = drvr->bus_if; u32 toe_ol; s32 ret = 0; - uint up = 0; brcmf_dbg(TRACE, "ifidx %d\n", ifp->idx); - if (ifp->idx == 0) { /* do it only for primary eth0 */ - /* If bus is not ready, can't continue */ - if (bus_if->state != BRCMF_BUS_DATA) { - brcmf_dbg(ERROR, "failed bus is not ready\n"); - return -EAGAIN; - } + /* If bus is not ready, can't continue */ + if (bus_if->state != BRCMF_BUS_DATA) { + brcmf_err("failed bus is not ready\n"); + return -EAGAIN; + } - atomic_set(&drvr->pend_8021x_cnt, 0); + atomic_set(&drvr->pend_8021x_cnt, 0); - memcpy(ndev->dev_addr, drvr->mac, ETH_ALEN); + memcpy(ndev->dev_addr, drvr->mac, ETH_ALEN); - /* Get current TOE mode from dongle */ - if (brcmf_toe_get(drvr, ifp->idx, &toe_ol) >= 0 - && (toe_ol & TOE_TX_CSUM_OL) != 0) - drvr->iflist[ifp->idx]->ndev->features |= - NETIF_F_IP_CSUM; - else - drvr->iflist[ifp->idx]->ndev->features &= - ~NETIF_F_IP_CSUM; - } + /* Get current TOE mode from dongle */ + if (brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_ol) >= 0 + && (toe_ol & TOE_TX_CSUM_OL) != 0) + drvr->iflist[ifp->idx]->ndev->features |= + NETIF_F_IP_CSUM; + else + drvr->iflist[ifp->idx]->ndev->features &= + ~NETIF_F_IP_CSUM; /* make sure RF is ready for work */ - brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_UP, (char *)&up, sizeof(up)); + brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0); /* Allow transmit calls */ netif_start_queue(ndev); drvr->bus_if->drvr_up = true; - if (brcmf_cfg80211_up(drvr->config)) { - brcmf_dbg(ERROR, "failed to bring up cfg80211\n"); + if (brcmf_cfg80211_up(ndev)) { + brcmf_err("failed to bring up cfg80211\n"); return -1; } @@ -851,51 +600,41 @@ static const struct net_device_ops brcmf_netdev_ops_pri = { .ndo_set_rx_mode = brcmf_netdev_set_multicast_list }; -static int brcmf_net_attach(struct brcmf_if *ifp) +static const struct net_device_ops brcmf_netdev_ops_virt = { + .ndo_open = brcmf_cfg80211_up, + .ndo_stop = brcmf_cfg80211_down, + .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_if *ifp) { struct brcmf_pub *drvr = ifp->drvr; struct net_device *ndev; - u8 temp_addr[ETH_ALEN]; - - brcmf_dbg(TRACE, "ifidx %d\n", ifp->idx); - ndev = drvr->iflist[ifp->idx]->ndev; - ndev->netdev_ops = &brcmf_netdev_ops_pri; + brcmf_dbg(TRACE, "ifidx %d mac %pM\n", ifp->idx, ifp->mac_addr); + ndev = ifp->ndev; - /* - * determine mac address to use - */ - if (is_valid_ether_addr(ifp->mac_addr)) - memcpy(temp_addr, ifp->mac_addr, ETH_ALEN); + /* set appropriate operations */ + if (!ifp->idx) + ndev->netdev_ops = &brcmf_netdev_ops_pri; else - memcpy(temp_addr, drvr->mac, ETH_ALEN); - - if (ifp->idx == 1) { - brcmf_dbg(TRACE, "ACCESS POINT MAC:\n"); - /* ACCESSPOINT INTERFACE CASE */ - temp_addr[0] |= 0X02; /* set bit 2 , - - Locally Administered address */ + ndev->netdev_ops = &brcmf_netdev_ops_virt; - } ndev->hard_header_len = ETH_HLEN + drvr->hdrlen; ndev->ethtool_ops = &brcmf_ethtool_ops; drvr->rxsz = ndev->mtu + ndev->hard_header_len + drvr->hdrlen; - memcpy(ndev->dev_addr, temp_addr, ETH_ALEN); - - /* attach to cfg80211 for primary interface */ - if (!ifp->idx) { - drvr->config = brcmf_cfg80211_attach(ndev, drvr->dev, drvr); - if (drvr->config == NULL) { - brcmf_dbg(ERROR, "wl_cfg80211_attach failed\n"); - goto fail; - } - } + /* set the mac address */ + memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); if (register_netdev(ndev) != 0) { - brcmf_dbg(ERROR, "couldn't register the net device\n"); + brcmf_err("couldn't register the net device\n"); goto fail; } @@ -908,13 +647,12 @@ fail: return -EBADE; } -int -brcmf_add_if(struct device *dev, int ifidx, char *name, u8 *mac_addr) +struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, int ifidx, s32 bssidx, + char *name, u8 *addr_mask) { struct brcmf_if *ifp; struct net_device *ndev; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; + int i; brcmf_dbg(TRACE, "idx %d\n", ifidx); @@ -924,19 +662,24 @@ brcmf_add_if(struct device *dev, int ifidx, char *name, u8 *mac_addr) * in case we missed the BRCMF_E_IF_DEL event. */ if (ifp) { - brcmf_dbg(ERROR, "ERROR: netdev:%s already exists, try free & unregister\n", + brcmf_err("ERROR: netdev:%s already exists\n", ifp->ndev->name); - netif_stop_queue(ifp->ndev); - unregister_netdev(ifp->ndev); - free_netdev(ifp->ndev); - drvr->iflist[ifidx] = NULL; + if (ifidx) { + netif_stop_queue(ifp->ndev); + unregister_netdev(ifp->ndev); + free_netdev(ifp->ndev); + drvr->iflist[ifidx] = NULL; + } else { + brcmf_err("ignore IF event\n"); + return ERR_PTR(-EINVAL); + } } /* Allocate netdev, including space for private structure */ ndev = alloc_netdev(sizeof(struct brcmf_if), name, ether_setup); if (!ndev) { - brcmf_dbg(ERROR, "OOM - alloc_netdev\n"); - return -ENOMEM; + brcmf_err("OOM - alloc_netdev\n"); + return ERR_PTR(-ENOMEM); } ifp = netdev_priv(ndev); @@ -944,20 +687,19 @@ brcmf_add_if(struct device *dev, int ifidx, char *name, u8 *mac_addr) ifp->drvr = drvr; drvr->iflist[ifidx] = ifp; ifp->idx = ifidx; - if (mac_addr != NULL) - memcpy(&ifp->mac_addr, mac_addr, ETH_ALEN); + ifp->bssidx = bssidx; - if (brcmf_net_attach(ifp)) { - brcmf_dbg(ERROR, "brcmf_net_attach failed"); - free_netdev(ifp->ndev); - drvr->iflist[ifidx] = NULL; - return -EOPNOTSUPP; - } + INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address); + INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list); - brcmf_dbg(TRACE, " ==== pid:%x, net_device for if:%s created ===\n", - current->pid, ifp->ndev->name); + if (addr_mask != NULL) + for (i = 0; i < ETH_ALEN; i++) + ifp->mac_addr[i] = drvr->mac[i] ^ addr_mask[i]; - return 0; + brcmf_dbg(TRACE, " ==== pid:%x, if:%s (%pM) created ===\n", + current->pid, ifp->ndev->name, ifp->mac_addr); + + return ifp; } void brcmf_del_if(struct brcmf_pub *drvr, int ifidx) @@ -968,7 +710,7 @@ void brcmf_del_if(struct brcmf_pub *drvr, int ifidx) ifp = drvr->iflist[ifidx]; if (!ifp) { - brcmf_dbg(ERROR, "Null interface\n"); + brcmf_err("Null interface\n"); return; } if (ifp->ndev) { @@ -982,6 +724,9 @@ void brcmf_del_if(struct brcmf_pub *drvr, int ifidx) netif_stop_queue(ifp->ndev); } + cancel_work_sync(&ifp->setmacaddr_work); + cancel_work_sync(&ifp->multicast_work); + unregister_netdev(ifp->ndev); drvr->iflist[ifidx] = NULL; if (ifidx == 0) @@ -1008,7 +753,6 @@ int brcmf_attach(uint bus_hdrlen, struct device *dev) drvr->hdrlen = bus_hdrlen; drvr->bus_if = dev_get_drvdata(dev); drvr->bus_if->drvr = drvr; - drvr->dev = dev; /* create device debugfs folder */ brcmf_debugfs_attach(drvr); @@ -1016,15 +760,17 @@ int brcmf_attach(uint bus_hdrlen, struct device *dev) /* Attach and link in the protocol */ ret = brcmf_proto_attach(drvr); if (ret != 0) { - brcmf_dbg(ERROR, "brcmf_prot_attach failed\n"); + brcmf_err("brcmf_prot_attach failed\n"); goto fail; } - INIT_WORK(&drvr->setmacaddr_work, _brcmf_set_mac_address); - INIT_WORK(&drvr->multicast_work, _brcmf_set_multicast_list); + /* attach firmware event handler */ + brcmf_fweh_attach(drvr); INIT_LIST_HEAD(&drvr->bus_if->dcmd_list); + init_waitqueue_head(&drvr->pend_8021x_wait); + return ret; fail: @@ -1036,63 +782,53 @@ fail: int brcmf_bus_start(struct device *dev) { int ret = -1; - /* Room for "event_msgs" + '\0' + bitvec */ - char iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; struct brcmf_bus *bus_if = dev_get_drvdata(dev); struct brcmf_pub *drvr = bus_if->drvr; + struct brcmf_if *ifp; brcmf_dbg(TRACE, "\n"); /* Bring up the bus */ - ret = bus_if->brcmf_bus_init(dev); + ret = brcmf_bus_init(bus_if); if (ret != 0) { - brcmf_dbg(ERROR, "brcmf_sdbrcm_bus_init failed %d\n", ret); + brcmf_err("brcmf_sdbrcm_bus_init failed %d\n", ret); return ret; } - brcmf_c_mkiovar("event_msgs", drvr->eventmask, BRCMF_EVENTING_MASK_LEN, - iovbuf, sizeof(iovbuf)); - brcmf_proto_cdc_query_dcmd(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); + /* add primary networking interface */ + ifp = brcmf_add_if(drvr, 0, 0, "wlan%d", NULL); + if (IS_ERR(ifp)) + return PTR_ERR(ifp); + + /* signal bus ready */ + bus_if->state = BRCMF_BUS_DATA; + + /* Bus is ready, do any initialization */ + ret = brcmf_c_preinit_dcmds(ifp); if (ret < 0) - return ret; + goto fail; - /* add primary networking interface */ - ret = brcmf_add_if(dev, 0, "wlan%d", drvr->mac); + drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev); + if (drvr->config == NULL) { + ret = -ENOMEM; + goto fail; + } + + ret = brcmf_fweh_activate_events(ifp); if (ret < 0) + goto fail; + + ret = brcmf_net_attach(ifp); +fail: + if (ret < 0) { + brcmf_err("failed: %d\n", ret); + if (drvr->config) + brcmf_cfg80211_detach(drvr->config); + free_netdev(drvr->iflist[0]->ndev); + drvr->iflist[0] = NULL; return ret; + } - /* signal bus ready */ - bus_if->state = BRCMF_BUS_DATA; return 0; } @@ -1105,7 +841,7 @@ static void brcmf_bus_detach(struct brcmf_pub *drvr) brcmf_proto_stop(drvr); /* Stop the bus module */ - drvr->bus_if->brcmf_bus_stop(drvr->dev); + brcmf_bus_stop(drvr->bus_if); } } @@ -1117,6 +853,11 @@ void brcmf_detach(struct device *dev) brcmf_dbg(TRACE, "Enter\n"); + if (drvr == NULL) + return; + + /* stop firmware event handling */ + brcmf_fweh_detach(drvr); /* make sure primary interface removed last */ for (i = BRCMF_MAX_IFS-1; i > -1; i--) @@ -1126,8 +867,6 @@ void brcmf_detach(struct device *dev) brcmf_bus_detach(drvr); if (drvr->prot) { - cancel_work_sync(&drvr->setmacaddr_work); - cancel_work_sync(&drvr->multicast_work); brcmf_proto_detach(drvr); } @@ -1141,63 +880,20 @@ static int brcmf_get_pend_8021x_cnt(struct brcmf_pub *drvr) return atomic_read(&drvr->pend_8021x_cnt); } -#define MAX_WAIT_FOR_8021X_TX 10 - int brcmf_netdev_wait_pend8021x(struct net_device *ndev) { struct brcmf_if *ifp = netdev_priv(ndev); struct brcmf_pub *drvr = ifp->drvr; - int timeout = 10 * HZ / 1000; - int ntimes = MAX_WAIT_FOR_8021X_TX; - int pend = brcmf_get_pend_8021x_cnt(drvr); - - 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); - } - return pend; -} + int err; -#ifdef DEBUG -int brcmf_write_to_file(struct brcmf_pub *drvr, const 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_dbg(ERROR, "open file error\n"); - ret = -1; - goto exit; - } + err = wait_event_timeout(drvr->pend_8021x_wait, + !brcmf_get_pend_8021x_cnt(drvr), + msecs_to_jiffies(MAX_WAIT_FOR_8021X_TX)); - /* Write buf to file */ - fp->f_op->write(fp, (char __user *)buf, size, &pos); + WARN_ON(!err); -exit: - /* free buf before return */ - kfree(buf); - /* close file before return */ - if (fp) - filp_close(fp, NULL); - /* restore previous address limit */ - set_fs(old_fs); - - return ret; + return !err; } -#endif /* DEBUG */ static void brcmf_driver_init(struct work_struct *work) { |