diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/wireless/wl12xx/cmd.c | 88 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/cmd.h | 3 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/debugfs.c | 1 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/init.c | 6 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 31 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/tx.c | 11 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/tx.h | 4 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/wl12xx.h | 6 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/wl12xx_80211.h | 2 |
9 files changed, 117 insertions, 35 deletions
diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c index bf3c37b..b776d9d 100644 --- a/drivers/net/wireless/wl12xx/cmd.c +++ b/drivers/net/wireless/wl12xx/cmd.c @@ -1213,32 +1213,34 @@ out: return skb; } -int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif, - __be32 ip_addr) +int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) { - int ret; + int ret, extra; + u16 fc; struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); - struct wl12xx_arp_rsp_template tmpl; + struct sk_buff *skb; + struct wl12xx_arp_rsp_template *tmpl; struct ieee80211_hdr_3addr *hdr; struct arphdr *arp_hdr; - memset(&tmpl, 0, sizeof(tmpl)); + skb = dev_alloc_skb(sizeof(*hdr) + sizeof(__le16) + sizeof(*tmpl) + + WL1271_EXTRA_SPACE_MAX); + if (!skb) { + wl1271_error("failed to allocate buffer for arp rsp template"); + return -ENOMEM; + } - /* mac80211 header */ - hdr = &tmpl.hdr; - hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | - IEEE80211_STYPE_DATA | - IEEE80211_FCTL_TODS); - memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN); - memcpy(hdr->addr2, vif->addr, ETH_ALEN); - memset(hdr->addr3, 0xff, ETH_ALEN); + skb_reserve(skb, sizeof(*hdr) + WL1271_EXTRA_SPACE_MAX); + + tmpl = (struct wl12xx_arp_rsp_template *)skb_put(skb, sizeof(*tmpl)); + memset(tmpl, 0, sizeof(tmpl)); /* llc layer */ - memcpy(tmpl.llc_hdr, rfc1042_header, sizeof(rfc1042_header)); - tmpl.llc_type = cpu_to_be16(ETH_P_ARP); + memcpy(tmpl->llc_hdr, rfc1042_header, sizeof(rfc1042_header)); + tmpl->llc_type = cpu_to_be16(ETH_P_ARP); /* arp header */ - arp_hdr = &tmpl.arp_hdr; + arp_hdr = &tmpl->arp_hdr; arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER); arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP); arp_hdr->ar_hln = ETH_ALEN; @@ -1246,13 +1248,59 @@ int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif, arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY); /* arp payload */ - memcpy(tmpl.sender_hw, vif->addr, ETH_ALEN); - tmpl.sender_ip = ip_addr; + memcpy(tmpl->sender_hw, vif->addr, ETH_ALEN); + tmpl->sender_ip = wlvif->ip_addr; + + /* encryption space */ + switch (wlvif->encryption_type) { + case KEY_TKIP: + extra = WL1271_EXTRA_SPACE_TKIP; + break; + case KEY_AES: + extra = WL1271_EXTRA_SPACE_AES; + break; + case KEY_NONE: + case KEY_WEP: + case KEY_GEM: + extra = 0; + break; + default: + wl1271_warning("Unknown encryption type: %d", + wlvif->encryption_type); + ret = -EINVAL; + goto out; + } + + if (extra) { + u8 *space = skb_push(skb, extra); + memset(space, 0, extra); + } + + /* QoS header - BE */ + if (wlvif->sta.qos) + memset(skb_push(skb, sizeof(__le16)), 0, sizeof(__le16)); + + /* mac80211 header */ + hdr = (struct ieee80211_hdr_3addr *)skb_push(skb, sizeof(*hdr)); + memset(hdr, 0, sizeof(hdr)); + fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS; + if (wlvif->sta.qos) + fc |= IEEE80211_STYPE_QOS_DATA; + else + fc |= IEEE80211_STYPE_DATA; + if (wlvif->encryption_type != KEY_NONE) + fc |= IEEE80211_FCTL_PROTECTED; + + hdr->frame_control = cpu_to_le16(fc); + memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN); + memcpy(hdr->addr2, vif->addr, ETH_ALEN); + memset(hdr->addr3, 0xff, ETH_ALEN); ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_ARP_RSP, - &tmpl, sizeof(tmpl), 0, + skb->data, skb->len, 0, wlvif->basic_rate); - +out: + dev_kfree_skb(skb); return ret; } diff --git a/drivers/net/wireless/wl12xx/cmd.h b/drivers/net/wireless/wl12xx/cmd.h index 83a2a2e..de217d9 100644 --- a/drivers/net/wireless/wl12xx/cmd.h +++ b/drivers/net/wireless/wl12xx/cmd.h @@ -67,8 +67,7 @@ int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct sk_buff *skb); -int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif, - __be32 ip_addr); +int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif); int wl1271_build_qos_null_data(struct wl1271 *wl, struct ieee80211_vif *vif); int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif); diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c index 1c26238..f063c70 100644 --- a/drivers/net/wireless/wl12xx/debugfs.c +++ b/drivers/net/wireless/wl12xx/debugfs.c @@ -579,6 +579,7 @@ static ssize_t vifs_state_read(struct file *file, char __user *user_buf, VIF_STATE_PRINT_INT(sta.basic_rate_idx); VIF_STATE_PRINT_INT(sta.ap_rate_idx); VIF_STATE_PRINT_INT(sta.p2p_rate_idx); + VIF_STATE_PRINT_INT(sta.qos); } else { VIF_STATE_PRINT_INT(ap.global_hlid); VIF_STATE_PRINT_INT(ap.bcast_hlid); diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c index fcf2b12..acc0379 100644 --- a/drivers/net/wireless/wl12xx/init.c +++ b/drivers/net/wireless/wl12xx/init.c @@ -37,6 +37,7 @@ int wl1271_init_templates_config(struct wl1271 *wl) { int ret, i; + size_t max_size; /* send empty templates for fw memory reservation */ ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, @@ -89,10 +90,11 @@ int wl1271_init_templates_config(struct wl1271 *wl) if (ret < 0) return ret; + max_size = sizeof(struct wl12xx_arp_rsp_template) + + WL1271_EXTRA_SPACE_MAX; ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, CMD_TEMPL_ARP_RSP, NULL, - sizeof - (struct wl12xx_arp_rsp_template), + max_size, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index b828149..a84fe28 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -2324,6 +2324,9 @@ static int wl1271_join(struct wl1271 *wl, struct wl12xx_vif *wlvif, if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) wl1271_info("JOIN while associated."); + /* clear encryption type */ + wlvif->encryption_type = KEY_NONE; + if (set_assoc) set_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags); @@ -2981,6 +2984,21 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, wl1271_error("Could not add or replace key"); goto out_sleep; } + + /* + * reconfiguring arp response if the unicast (or common) + * encryption key type was changed + */ + if (wlvif->bss_type == BSS_TYPE_STA_BSS && + (sta || key_type == KEY_WEP) && + wlvif->encryption_type != key_type) { + wlvif->encryption_type = key_type; + ret = wl1271_cmd_build_arp_rsp(wl, wlvif); + if (ret < 0) { + wl1271_warning("build arp rsp failed: %d", ret); + goto out_sleep; + } + } break; case DISABLE_KEY: @@ -3822,19 +3840,22 @@ sta_not_found: if (ret < 0) goto out; - if (changed & BSS_CHANGED_ARP_FILTER) { + if ((changed & BSS_CHANGED_ARP_FILTER) || + (!is_ibss && (changed & BSS_CHANGED_QOS))) { __be32 addr = bss_conf->arp_addr_list[0]; + wlvif->sta.qos = bss_conf->qos; WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS); if (bss_conf->arp_addr_cnt == 1 && bss_conf->arp_filter_enabled) { + wlvif->ip_addr = addr; /* * The template should have been configured only upon * association. however, it seems that the correct ip * isn't being set (when sending), so we have to * reconfigure the template upon every ip change. */ - ret = wl1271_cmd_build_arp_rsp(wl, wlvif, addr); + ret = wl1271_cmd_build_arp_rsp(wl, wlvif); if (ret < 0) { wl1271_warning("build arp rsp failed: %d", ret); goto out; @@ -3843,8 +3864,10 @@ sta_not_found: ret = wl1271_acx_arp_ip_filter(wl, wlvif, ACX_ARP_FILTER_ARP_FILTERING, addr); - } else + } else { + wlvif->ip_addr = 0; ret = wl1271_acx_arp_ip_filter(wl, wlvif, 0, addr); + } if (ret < 0) goto out; @@ -5007,7 +5030,7 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) }; /* The tx descriptor buffer and the TKIP space. */ - wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + + wl->hw->extra_tx_headroom = WL1271_EXTRA_SPACE_TKIP + sizeof(struct wl1271_tx_hw_descr); /* unit us */ diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index 1f5cc2a..6446e4d 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -386,7 +386,7 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif, if (info->control.hw_key && info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) - extra = WL1271_TKIP_IV_SPACE; + extra = WL1271_EXTRA_SPACE_TKIP; if (info->control.hw_key) { bool is_wep; @@ -861,8 +861,9 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, if (info->control.hw_key && info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) { int hdrlen = ieee80211_get_hdrlen_from_skb(skb); - memmove(skb->data + WL1271_TKIP_IV_SPACE, skb->data, hdrlen); - skb_pull(skb, WL1271_TKIP_IV_SPACE); + memmove(skb->data + WL1271_EXTRA_SPACE_TKIP, skb->data, + hdrlen); + skb_pull(skb, WL1271_EXTRA_SPACE_TKIP); } wl1271_debug(DEBUG_TX, "tx status id %u skb 0x%p failures %u rate 0x%x" @@ -1004,9 +1005,9 @@ void wl12xx_tx_reset(struct wl1271 *wl, bool reset_tx_queues) info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) { int hdrlen = ieee80211_get_hdrlen_from_skb(skb); - memmove(skb->data + WL1271_TKIP_IV_SPACE, + memmove(skb->data + WL1271_EXTRA_SPACE_TKIP, skb->data, hdrlen); - skb_pull(skb, WL1271_TKIP_IV_SPACE); + skb_pull(skb, WL1271_EXTRA_SPACE_TKIP); } info->status.rates[0].idx = -1; diff --git a/drivers/net/wireless/wl12xx/tx.h b/drivers/net/wireless/wl12xx/tx.h index 7ceb3ce..e3977b5 100644 --- a/drivers/net/wireless/wl12xx/tx.h +++ b/drivers/net/wireless/wl12xx/tx.h @@ -52,7 +52,9 @@ #define TX_HW_RESULT_QUEUE_LEN_MASK 0xf #define WL1271_TX_ALIGN_TO 4 -#define WL1271_TKIP_IV_SPACE 4 +#define WL1271_EXTRA_SPACE_TKIP 4 +#define WL1271_EXTRA_SPACE_AES 8 +#define WL1271_EXTRA_SPACE_MAX 8 /* Used for management frames and dummy packets */ #define WL1271_TID_MGMT 7 diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index 61c58c1..81af416 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -507,6 +507,8 @@ struct wl12xx_vif { u8 basic_rate_idx; u8 ap_rate_idx; u8 p2p_rate_idx; + + bool qos; } sta; struct { u8 global_hlid; @@ -573,6 +575,10 @@ struct wl12xx_vif { int rssi_thold; int last_rssi_event; + /* save the current encryption type for auto-arp config */ + u8 encryption_type; + __be32 ip_addr; + /* RX BA constraint value */ bool ba_support; bool ba_allowed; diff --git a/drivers/net/wireless/wl12xx/wl12xx_80211.h b/drivers/net/wireless/wl12xx/wl12xx_80211.h index 8f0ffaf..22b0bc9 100644 --- a/drivers/net/wireless/wl12xx/wl12xx_80211.h +++ b/drivers/net/wireless/wl12xx/wl12xx_80211.h @@ -117,7 +117,7 @@ struct wl12xx_ps_poll_template { } __packed; struct wl12xx_arp_rsp_template { - struct ieee80211_hdr_3addr hdr; + /* not including ieee80211 header */ u8 llc_hdr[sizeof(rfc1042_header)]; __be16 llc_type; |