diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c | 1124 |
1 files changed, 0 insertions, 1124 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c deleted file mode 100644 index fb1043908a23..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ /dev/null @@ -1,1124 +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/kernel.h> -#include <linux/etherdevice.h> -#include <linux/module.h> -#include <net/cfg80211.h> -#include <net/rtnetlink.h> -#include <brcmu_utils.h> -#include <brcmu_wifi.h> - -#include "dhd.h" -#include "dhd_bus.h" -#include "dhd_dbg.h" -#include "fwil_types.h" -#include "p2p.h" -#include "wl_cfg80211.h" -#include "fwil.h" -#include "fwsignal.h" -#include "feature.h" -#include "proto.h" -#include "pcie.h" - -MODULE_AUTHOR("Broadcom Corporation"); -MODULE_DESCRIPTION("Broadcom 802.11 wireless LAN fullmac driver."); -MODULE_LICENSE("Dual BSD/GPL"); - -#define MAX_WAIT_FOR_8021X_TX 50 /* msecs */ - -/* AMPDU rx reordering definitions */ -#define BRCMF_RXREORDER_FLOWID_OFFSET 0 -#define BRCMF_RXREORDER_MAXIDX_OFFSET 2 -#define BRCMF_RXREORDER_FLAGS_OFFSET 4 -#define BRCMF_RXREORDER_CURIDX_OFFSET 6 -#define BRCMF_RXREORDER_EXPIDX_OFFSET 8 - -#define BRCMF_RXREORDER_DEL_FLOW 0x01 -#define BRCMF_RXREORDER_FLUSH_ALL 0x02 -#define BRCMF_RXREORDER_CURIDX_VALID 0x04 -#define BRCMF_RXREORDER_EXPIDX_VALID 0x08 -#define BRCMF_RXREORDER_NEW_HOLE 0x10 - -/* Error bits */ -int brcmf_msg_level; -module_param_named(debug, brcmf_msg_level, int, S_IRUSR | S_IWUSR); -MODULE_PARM_DESC(debug, "level of debug output"); - -/* P2P0 enable */ -static int brcmf_p2p_enable; -#ifdef CONFIG_BRCMDBG -module_param_named(p2pon, brcmf_p2p_enable, int, 0); -MODULE_PARM_DESC(p2pon, "enable p2p management functionality"); -#endif - -char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx) -{ - if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) { - brcmf_err("ifidx %d out of range\n", ifidx); - return "<if_bad>"; - } - - if (drvr->iflist[ifidx] == NULL) { - brcmf_err("null i/f %d\n", ifidx); - return "<if_null>"; - } - - if (drvr->iflist[ifidx]->ndev) - return drvr->iflist[ifidx]->ndev->name; - - return "<if_none>"; -} - -static void _brcmf_set_multicast_list(struct work_struct *work) -{ - struct brcmf_if *ifp; - struct net_device *ndev; - struct netdev_hw_addr *ha; - u32 cmd_value, cnt; - __le32 cnt_le; - char *buf, *bufp; - u32 buflen; - s32 err; - - ifp = container_of(work, struct brcmf_if, multicast_work); - - brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); - - ndev = ifp->ndev; - - /* Determine initial value of allmulti flag */ - cmd_value = (ndev->flags & IFF_ALLMULTI) ? true : false; - - /* Send down the multicast list first. */ - cnt = netdev_mc_count(ndev); - buflen = sizeof(cnt) + (cnt * ETH_ALEN); - buf = kmalloc(buflen, GFP_ATOMIC); - if (!buf) - return; - bufp = buf; - - cnt_le = cpu_to_le32(cnt); - memcpy(bufp, &cnt_le, sizeof(cnt_le)); - bufp += sizeof(cnt_le); - - netdev_for_each_mc_addr(ha, ndev) { - if (!cnt) - break; - memcpy(bufp, ha->addr, ETH_ALEN); - bufp += ETH_ALEN; - cnt--; - } - - 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 - * 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); - - /*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) -{ - struct brcmf_if *ifp; - s32 err; - - ifp = container_of(work, struct brcmf_if, setmacaddr_work); - - brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); - - 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 sockaddr *sa = (struct sockaddr *)addr; - - 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); - - schedule_work(&ifp->multicast_work); -} - -static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb, - struct net_device *ndev) -{ - int ret; - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - struct ethhdr *eh = (struct ethhdr *)(skb->data); - - brcmf_dbg(DATA, "Enter, idx=%d\n", ifp->bssidx); - - /* Can the device send data? */ - if (drvr->bus_if->state != BRCMF_BUS_DATA) { - brcmf_err("xmit rejected state=%d\n", drvr->bus_if->state); - netif_stop_queue(ndev); - dev_kfree_skb(skb); - ret = -ENODEV; - goto done; - } - - if (!drvr->iflist[ifp->bssidx]) { - brcmf_err("bad ifidx %d\n", ifp->bssidx); - netif_stop_queue(ndev); - dev_kfree_skb(skb); - ret = -ENODEV; - goto done; - } - - /* Make sure there's enough room for any header */ - if (skb_headroom(skb) < drvr->hdrlen) { - struct sk_buff *skb2; - - brcmf_dbg(INFO, "%s: insufficient headroom\n", - brcmf_ifname(drvr, ifp->bssidx)); - drvr->bus_if->tx_realloc++; - skb2 = skb_realloc_headroom(skb, drvr->hdrlen); - dev_kfree_skb(skb); - skb = skb2; - if (skb == NULL) { - brcmf_err("%s: skb_realloc_headroom failed\n", - brcmf_ifname(drvr, ifp->bssidx)); - ret = -ENOMEM; - goto done; - } - } - - /* validate length for ether packet */ - if (skb->len < sizeof(*eh)) { - ret = -EINVAL; - dev_kfree_skb(skb); - goto done; - } - - if (eh->h_proto == htons(ETH_P_PAE)) - atomic_inc(&ifp->pend_8021x_cnt); - - ret = brcmf_fws_process_skb(ifp, skb); - -done: - if (ret) { - ifp->stats.tx_dropped++; - } else { - ifp->stats.tx_packets++; - ifp->stats.tx_bytes += skb->len; - } - - /* Return ok: we always eat the packet */ - return NETDEV_TX_OK; -} - -void brcmf_txflowblock_if(struct brcmf_if *ifp, - enum brcmf_netif_stop_reason reason, bool state) -{ - unsigned long flags; - - if (!ifp || !ifp->ndev) - return; - - brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n", - ifp->bssidx, ifp->netif_stop, reason, state); - - spin_lock_irqsave(&ifp->netif_stop_lock, flags); - if (state) { - if (!ifp->netif_stop) - netif_stop_queue(ifp->ndev); - ifp->netif_stop |= reason; - } else { - ifp->netif_stop &= ~reason; - if (!ifp->netif_stop) - netif_wake_queue(ifp->ndev); - } - spin_unlock_irqrestore(&ifp->netif_stop_lock, flags); -} - -void brcmf_txflowblock(struct device *dev, bool state) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - - brcmf_dbg(TRACE, "Enter\n"); - - brcmf_fws_bus_blocked(drvr, state); -} - -void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb) -{ - skb->dev = ifp->ndev; - skb->protocol = eth_type_trans(skb, skb->dev); - - if (skb->pkt_type == PACKET_MULTICAST) - ifp->stats.multicast++; - - /* Process special event packets */ - brcmf_fweh_process_skb(ifp->drvr, skb); - - if (!(ifp->ndev->flags & IFF_UP)) { - brcmu_pkt_buf_free_skb(skb); - return; - } - - ifp->stats.rx_bytes += skb->len; - ifp->stats.rx_packets++; - - brcmf_dbg(DATA, "rx proto=0x%X\n", ntohs(skb->protocol)); - 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. This is handled by netif_rx_ni(). - */ - netif_rx_ni(skb); -} - -static void brcmf_rxreorder_get_skb_list(struct brcmf_ampdu_rx_reorder *rfi, - u8 start, u8 end, - struct sk_buff_head *skb_list) -{ - /* initialize return list */ - __skb_queue_head_init(skb_list); - - if (rfi->pend_pkts == 0) { - brcmf_dbg(INFO, "no packets in reorder queue\n"); - return; - } - - do { - if (rfi->pktslots[start]) { - __skb_queue_tail(skb_list, rfi->pktslots[start]); - rfi->pktslots[start] = NULL; - } - start++; - if (start > rfi->max_idx) - start = 0; - } while (start != end); - rfi->pend_pkts -= skb_queue_len(skb_list); -} - -static void brcmf_rxreorder_process_info(struct brcmf_if *ifp, u8 *reorder_data, - struct sk_buff *pkt) -{ - u8 flow_id, max_idx, cur_idx, exp_idx, end_idx; - struct brcmf_ampdu_rx_reorder *rfi; - struct sk_buff_head reorder_list; - struct sk_buff *pnext; - u8 flags; - u32 buf_size; - - flow_id = reorder_data[BRCMF_RXREORDER_FLOWID_OFFSET]; - flags = reorder_data[BRCMF_RXREORDER_FLAGS_OFFSET]; - - /* validate flags and flow id */ - if (flags == 0xFF) { - brcmf_err("invalid flags...so ignore this packet\n"); - brcmf_netif_rx(ifp, pkt); - return; - } - - rfi = ifp->drvr->reorder_flows[flow_id]; - if (flags & BRCMF_RXREORDER_DEL_FLOW) { - brcmf_dbg(INFO, "flow-%d: delete\n", - flow_id); - - if (rfi == NULL) { - brcmf_dbg(INFO, "received flags to cleanup, but no flow (%d) yet\n", - flow_id); - brcmf_netif_rx(ifp, pkt); - return; - } - - brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, rfi->exp_idx, - &reorder_list); - /* add the last packet */ - __skb_queue_tail(&reorder_list, pkt); - kfree(rfi); - ifp->drvr->reorder_flows[flow_id] = NULL; - goto netif_rx; - } - /* from here on we need a flow reorder instance */ - if (rfi == NULL) { - buf_size = sizeof(*rfi); - max_idx = reorder_data[BRCMF_RXREORDER_MAXIDX_OFFSET]; - - buf_size += (max_idx + 1) * sizeof(pkt); - - /* allocate space for flow reorder info */ - brcmf_dbg(INFO, "flow-%d: start, maxidx %d\n", - flow_id, max_idx); - rfi = kzalloc(buf_size, GFP_ATOMIC); - if (rfi == NULL) { - brcmf_err("failed to alloc buffer\n"); - brcmf_netif_rx(ifp, pkt); - return; - } - - ifp->drvr->reorder_flows[flow_id] = rfi; - rfi->pktslots = (struct sk_buff **)(rfi+1); - rfi->max_idx = max_idx; - } - if (flags & BRCMF_RXREORDER_NEW_HOLE) { - if (rfi->pend_pkts) { - brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, - rfi->exp_idx, - &reorder_list); - WARN_ON(rfi->pend_pkts); - } else { - __skb_queue_head_init(&reorder_list); - } - rfi->cur_idx = reorder_data[BRCMF_RXREORDER_CURIDX_OFFSET]; - rfi->exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; - rfi->max_idx = reorder_data[BRCMF_RXREORDER_MAXIDX_OFFSET]; - rfi->pktslots[rfi->cur_idx] = pkt; - rfi->pend_pkts++; - brcmf_dbg(DATA, "flow-%d: new hole %d (%d), pending %d\n", - flow_id, rfi->cur_idx, rfi->exp_idx, rfi->pend_pkts); - } else if (flags & BRCMF_RXREORDER_CURIDX_VALID) { - cur_idx = reorder_data[BRCMF_RXREORDER_CURIDX_OFFSET]; - exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; - - if ((exp_idx == rfi->exp_idx) && (cur_idx != rfi->exp_idx)) { - /* still in the current hole */ - /* enqueue the current on the buffer chain */ - if (rfi->pktslots[cur_idx] != NULL) { - brcmf_dbg(INFO, "HOLE: ERROR buffer pending..free it\n"); - brcmu_pkt_buf_free_skb(rfi->pktslots[cur_idx]); - rfi->pktslots[cur_idx] = NULL; - } - rfi->pktslots[cur_idx] = pkt; - rfi->pend_pkts++; - rfi->cur_idx = cur_idx; - brcmf_dbg(DATA, "flow-%d: store pkt %d (%d), pending %d\n", - flow_id, cur_idx, exp_idx, rfi->pend_pkts); - - /* can return now as there is no reorder - * list to process. - */ - return; - } - if (rfi->exp_idx == cur_idx) { - if (rfi->pktslots[cur_idx] != NULL) { - brcmf_dbg(INFO, "error buffer pending..free it\n"); - brcmu_pkt_buf_free_skb(rfi->pktslots[cur_idx]); - rfi->pktslots[cur_idx] = NULL; - } - rfi->pktslots[cur_idx] = pkt; - rfi->pend_pkts++; - - /* got the expected one. flush from current to expected - * and update expected - */ - brcmf_dbg(DATA, "flow-%d: expected %d (%d), pending %d\n", - flow_id, cur_idx, exp_idx, rfi->pend_pkts); - - rfi->cur_idx = cur_idx; - rfi->exp_idx = exp_idx; - - brcmf_rxreorder_get_skb_list(rfi, cur_idx, exp_idx, - &reorder_list); - brcmf_dbg(DATA, "flow-%d: freeing buffers %d, pending %d\n", - flow_id, skb_queue_len(&reorder_list), - rfi->pend_pkts); - } else { - u8 end_idx; - - brcmf_dbg(DATA, "flow-%d (0x%x): both moved, old %d/%d, new %d/%d\n", - flow_id, flags, rfi->cur_idx, rfi->exp_idx, - cur_idx, exp_idx); - if (flags & BRCMF_RXREORDER_FLUSH_ALL) - end_idx = rfi->exp_idx; - else - end_idx = exp_idx; - - /* flush pkts first */ - brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, end_idx, - &reorder_list); - - if (exp_idx == ((cur_idx + 1) % (rfi->max_idx + 1))) { - __skb_queue_tail(&reorder_list, pkt); - } else { - rfi->pktslots[cur_idx] = pkt; - rfi->pend_pkts++; - } - rfi->exp_idx = exp_idx; - rfi->cur_idx = cur_idx; - } - } else { - /* explicity window move updating the expected index */ - exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; - - brcmf_dbg(DATA, "flow-%d (0x%x): change expected: %d -> %d\n", - flow_id, flags, rfi->exp_idx, exp_idx); - if (flags & BRCMF_RXREORDER_FLUSH_ALL) - end_idx = rfi->exp_idx; - else - end_idx = exp_idx; - - brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, end_idx, - &reorder_list); - __skb_queue_tail(&reorder_list, pkt); - /* set the new expected idx */ - rfi->exp_idx = exp_idx; - } -netif_rx: - skb_queue_walk_safe(&reorder_list, pkt, pnext) { - __skb_unlink(pkt, &reorder_list); - brcmf_netif_rx(ifp, pkt); - } -} - -void brcmf_rx_frame(struct device *dev, struct sk_buff *skb) -{ - struct brcmf_if *ifp; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - struct brcmf_skb_reorder_data *rd; - u8 ifidx; - int ret; - - brcmf_dbg(DATA, "Enter: %s: rxp=%p\n", dev_name(dev), skb); - - /* process and remove protocol-specific header */ - ret = brcmf_proto_hdrpull(drvr, true, &ifidx, skb); - ifp = drvr->iflist[ifidx]; - - if (ret || !ifp || !ifp->ndev) { - if ((ret != -ENODATA) && ifp) - ifp->stats.rx_errors++; - brcmu_pkt_buf_free_skb(skb); - return; - } - - rd = (struct brcmf_skb_reorder_data *)skb->cb; - if (rd->reorder) - brcmf_rxreorder_process_info(ifp, rd->reorder, skb); - else - brcmf_netif_rx(ifp, skb); -} - -void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, u8 ifidx, - bool success) -{ - struct brcmf_if *ifp; - struct ethhdr *eh; - u16 type; - - ifp = drvr->iflist[ifidx]; - if (!ifp) - goto done; - - eh = (struct ethhdr *)(txp->data); - type = ntohs(eh->h_proto); - - if (type == ETH_P_PAE) { - atomic_dec(&ifp->pend_8021x_cnt); - if (waitqueue_active(&ifp->pend_8021x_wait)) - wake_up(&ifp->pend_8021x_wait); - } - - if (!success) - ifp->stats.tx_errors++; -done: - brcmu_pkt_buf_free_skb(txp); -} - -void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - u8 ifidx; - - /* await txstatus signal for firmware if active */ - if (brcmf_fws_fc_active(drvr->fws)) { - if (!success) - brcmf_fws_bustxfail(drvr->fws, txp); - } else { - if (brcmf_proto_hdrpull(drvr, false, &ifidx, txp)) - brcmu_pkt_buf_free_skb(txp); - else - brcmf_txfinalize(drvr, txp, ifidx, success); - } -} - -static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - - brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); - - return &ifp->stats; -} - -static void brcmf_ethtool_get_drvinfo(struct net_device *ndev, - struct ethtool_drvinfo *info) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - - strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); - snprintf(info->version, sizeof(info->version), "n/a"); - strlcpy(info->fw_version, drvr->fwver, sizeof(info->fw_version)); - strlcpy(info->bus_info, dev_name(drvr->bus_if->dev), - sizeof(info->bus_info)); -} - -static const struct ethtool_ops brcmf_ethtool_ops = { - .get_drvinfo = brcmf_ethtool_get_drvinfo, -}; - -static int brcmf_netdev_stop(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - - brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); - - brcmf_cfg80211_down(ndev); - - /* Set state and stop OS transmissions */ - netif_stop_queue(ndev); - - return 0; -} - -static int brcmf_netdev_open(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - struct brcmf_bus *bus_if = drvr->bus_if; - u32 toe_ol; - - brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); - - /* 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(&ifp->pend_8021x_cnt, 0); - - /* 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) - ndev->features |= NETIF_F_IP_CSUM; - else - ndev->features &= ~NETIF_F_IP_CSUM; - - if (brcmf_cfg80211_up(ndev)) { - brcmf_err("failed to bring up cfg80211\n"); - return -EIO; - } - - /* Allow transmit calls */ - netif_start_queue(ndev); - return 0; -} - -static const 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_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, bool rtnl_locked) -{ - struct brcmf_pub *drvr = ifp->drvr; - struct net_device *ndev; - s32 err; - - brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, - ifp->mac_addr); - ndev = ifp->ndev; - - /* set appropriate operations */ - ndev->netdev_ops = &brcmf_netdev_ops_pri; - - ndev->hard_header_len += drvr->hdrlen; - ndev->ethtool_ops = &brcmf_ethtool_ops; - - drvr->rxsz = ndev->mtu + ndev->hard_header_len + - drvr->hdrlen; - - /* set the mac address */ - memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); - - INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address); - INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list); - - if (rtnl_locked) - err = register_netdevice(ndev); - else - err = register_netdev(ndev); - if (err != 0) { - brcmf_err("couldn't register the net device\n"); - goto fail; - } - - brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); - - ndev->destructor = brcmf_cfg80211_free_netdev; - return 0; - -fail: - drvr->iflist[ifp->bssidx] = NULL; - ndev->netdev_ops = NULL; - free_netdev(ndev); - return -EBADE; -} - -static int brcmf_net_p2p_open(struct net_device *ndev) -{ - brcmf_dbg(TRACE, "Enter\n"); - - return brcmf_cfg80211_up(ndev); -} - -static int brcmf_net_p2p_stop(struct net_device *ndev) -{ - brcmf_dbg(TRACE, "Enter\n"); - - return brcmf_cfg80211_down(ndev); -} - -static netdev_tx_t brcmf_net_p2p_start_xmit(struct sk_buff *skb, - struct net_device *ndev) -{ - if (skb) - dev_kfree_skb_any(skb); - - return NETDEV_TX_OK; -} - -static const struct net_device_ops brcmf_netdev_ops_p2p = { - .ndo_open = brcmf_net_p2p_open, - .ndo_stop = brcmf_net_p2p_stop, - .ndo_start_xmit = brcmf_net_p2p_start_xmit -}; - -static int brcmf_net_p2p_attach(struct brcmf_if *ifp) -{ - struct net_device *ndev; - - brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, - ifp->mac_addr); - ndev = ifp->ndev; - - ndev->netdev_ops = &brcmf_netdev_ops_p2p; - - /* set the mac address */ - memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); - - if (register_netdev(ndev) != 0) { - brcmf_err("couldn't register the p2p net device\n"); - goto fail; - } - - brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); - - return 0; - -fail: - ifp->drvr->iflist[ifp->bssidx] = NULL; - ndev->netdev_ops = NULL; - free_netdev(ndev); - return -EBADE; -} - -struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, - char *name, u8 *mac_addr) -{ - struct brcmf_if *ifp; - struct net_device *ndev; - - brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifidx); - - ifp = drvr->iflist[bssidx]; - /* - * Delete the existing interface before overwriting it - * in case we missed the BRCMF_E_IF_DEL event. - */ - if (ifp) { - brcmf_err("ERROR: netdev:%s already exists\n", - ifp->ndev->name); - if (ifidx) { - netif_stop_queue(ifp->ndev); - unregister_netdev(ifp->ndev); - free_netdev(ifp->ndev); - drvr->iflist[bssidx] = NULL; - } else { - brcmf_err("ignore IF event\n"); - return ERR_PTR(-EINVAL); - } - } - - if (!brcmf_p2p_enable && bssidx == 1) { - /* this is P2P_DEVICE interface */ - brcmf_dbg(INFO, "allocate non-netdev interface\n"); - ifp = kzalloc(sizeof(*ifp), GFP_KERNEL); - if (!ifp) - return ERR_PTR(-ENOMEM); - } else { - brcmf_dbg(INFO, "allocate netdev interface\n"); - /* Allocate netdev, including space for private structure */ - ndev = alloc_netdev(sizeof(*ifp), name, NET_NAME_UNKNOWN, - ether_setup); - if (!ndev) - return ERR_PTR(-ENOMEM); - - ifp = netdev_priv(ndev); - ifp->ndev = ndev; - } - - ifp->drvr = drvr; - drvr->iflist[bssidx] = ifp; - ifp->ifidx = ifidx; - ifp->bssidx = bssidx; - - init_waitqueue_head(&ifp->pend_8021x_wait); - spin_lock_init(&ifp->netif_stop_lock); - - if (mac_addr != NULL) - memcpy(ifp->mac_addr, mac_addr, ETH_ALEN); - - brcmf_dbg(TRACE, " ==== pid:%x, if:%s (%pM) created ===\n", - current->pid, name, ifp->mac_addr); - - return ifp; -} - -void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx) -{ - struct brcmf_if *ifp; - - ifp = drvr->iflist[bssidx]; - drvr->iflist[bssidx] = NULL; - if (!ifp) { - brcmf_err("Null interface, idx=%d\n", bssidx); - return; - } - brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifp->ifidx); - if (ifp->ndev) { - if (bssidx == 0) { - if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { - rtnl_lock(); - brcmf_netdev_stop(ifp->ndev); - rtnl_unlock(); - } - } else { - netif_stop_queue(ifp->ndev); - } - - if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { - cancel_work_sync(&ifp->setmacaddr_work); - cancel_work_sync(&ifp->multicast_work); - } - /* unregister will take care of freeing it */ - unregister_netdev(ifp->ndev); - } else { - kfree(ifp); - } -} - -int brcmf_attach(struct device *dev) -{ - struct brcmf_pub *drvr = NULL; - int ret = 0; - - brcmf_dbg(TRACE, "Enter\n"); - - /* Allocate primary brcmf_info */ - drvr = kzalloc(sizeof(struct brcmf_pub), GFP_ATOMIC); - if (!drvr) - return -ENOMEM; - - mutex_init(&drvr->proto_block); - - /* Link to bus module */ - drvr->hdrlen = 0; - drvr->bus_if = dev_get_drvdata(dev); - drvr->bus_if->drvr = drvr; - - /* create device debugfs folder */ - brcmf_debugfs_attach(drvr); - - /* Attach and link in the protocol */ - ret = brcmf_proto_attach(drvr); - if (ret != 0) { - brcmf_err("brcmf_prot_attach failed\n"); - goto fail; - } - - /* attach firmware event handler */ - brcmf_fweh_attach(drvr); - - return ret; - -fail: - brcmf_detach(dev); - - return ret; -} - -int brcmf_bus_start(struct device *dev) -{ - int ret = -1; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - struct brcmf_if *ifp; - struct brcmf_if *p2p_ifp; - - brcmf_dbg(TRACE, "\n"); - - /* add primary networking interface */ - ifp = brcmf_add_if(drvr, 0, 0, "wlan%d", NULL); - if (IS_ERR(ifp)) - return PTR_ERR(ifp); - - if (brcmf_p2p_enable) - p2p_ifp = brcmf_add_if(drvr, 1, 0, "p2p%d", NULL); - else - p2p_ifp = NULL; - if (IS_ERR(p2p_ifp)) - p2p_ifp = NULL; - - /* signal bus ready */ - brcmf_bus_change_state(bus_if, BRCMF_BUS_DATA); - - /* Bus is ready, do any initialization */ - ret = brcmf_c_preinit_dcmds(ifp); - if (ret < 0) - goto fail; - - brcmf_feat_attach(drvr); - - ret = brcmf_fws_init(drvr); - if (ret < 0) - goto fail; - - brcmf_fws_add_interface(ifp); - - 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, false); -fail: - if (ret < 0) { - brcmf_err("failed: %d\n", ret); - brcmf_cfg80211_detach(drvr->config); - if (drvr->fws) { - brcmf_fws_del_interface(ifp); - brcmf_fws_deinit(drvr); - } - if (drvr->iflist[0]) { - free_netdev(ifp->ndev); - drvr->iflist[0] = NULL; - } - if (p2p_ifp) { - free_netdev(p2p_ifp->ndev); - drvr->iflist[1] = NULL; - } - return ret; - } - if ((brcmf_p2p_enable) && (p2p_ifp)) - if (brcmf_net_p2p_attach(p2p_ifp) < 0) - brcmf_p2p_enable = 0; - - return 0; -} - -void brcmf_bus_add_txhdrlen(struct device *dev, uint len) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - - if (drvr) { - drvr->hdrlen += len; - } -} - -static void brcmf_bus_detach(struct brcmf_pub *drvr) -{ - brcmf_dbg(TRACE, "Enter\n"); - - if (drvr) { - /* Stop the bus module */ - brcmf_bus_stop(drvr->bus_if); - } -} - -void brcmf_dev_reset(struct device *dev) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - - if (drvr == NULL) - return; - - if (drvr->iflist[0]) - brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1); -} - -void brcmf_detach(struct device *dev) -{ - s32 i; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - - brcmf_dbg(TRACE, "Enter\n"); - - if (drvr == NULL) - return; - - /* stop firmware event handling */ - brcmf_fweh_detach(drvr); - - brcmf_bus_change_state(bus_if, BRCMF_BUS_DOWN); - - /* make sure primary interface removed last */ - for (i = BRCMF_MAX_IFS-1; i > -1; i--) - if (drvr->iflist[i]) { - brcmf_fws_del_interface(drvr->iflist[i]); - brcmf_del_if(drvr, i); - } - - brcmf_cfg80211_detach(drvr->config); - - brcmf_fws_deinit(drvr); - - brcmf_bus_detach(drvr); - - brcmf_proto_detach(drvr); - - brcmf_debugfs_detach(drvr); - bus_if->drvr = NULL; - kfree(drvr); -} - -s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_if *ifp = bus_if->drvr->iflist[0]; - - return brcmf_fil_iovar_data_set(ifp, name, data, len); -} - -static int brcmf_get_pend_8021x_cnt(struct brcmf_if *ifp) -{ - return atomic_read(&ifp->pend_8021x_cnt); -} - -int brcmf_netdev_wait_pend8021x(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - int err; - - err = wait_event_timeout(ifp->pend_8021x_wait, - !brcmf_get_pend_8021x_cnt(ifp), - msecs_to_jiffies(MAX_WAIT_FOR_8021X_TX)); - - WARN_ON(!err); - - return !err; -} - -static void brcmf_driver_register(struct work_struct *work) -{ -#ifdef CONFIG_BRCMFMAC_SDIO - brcmf_sdio_register(); -#endif -#ifdef CONFIG_BRCMFMAC_USB - brcmf_usb_register(); -#endif -#ifdef CONFIG_BRCMFMAC_PCIE - brcmf_pcie_register(); -#endif -} -static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register); - -static int __init brcmfmac_module_init(void) -{ - brcmf_debugfs_init(); -#ifdef CONFIG_BRCMFMAC_SDIO - brcmf_sdio_init(); -#endif - if (!schedule_work(&brcmf_driver_work)) - return -EBUSY; - - return 0; -} - -static void __exit brcmfmac_module_exit(void) -{ - cancel_work_sync(&brcmf_driver_work); - -#ifdef CONFIG_BRCMFMAC_SDIO - brcmf_sdio_exit(); -#endif -#ifdef CONFIG_BRCMFMAC_USB - brcmf_usb_exit(); -#endif -#ifdef CONFIG_BRCMFMAC_PCIE - brcmf_pcie_exit(); -#endif - brcmf_debugfs_exit(); -} - -module_init(brcmfmac_module_init); -module_exit(brcmfmac_module_exit); |