diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/cmd.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/cmd.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c index 8e438e2..0106628a 100644 --- a/drivers/net/wireless/wl12xx/cmd.c +++ b/drivers/net/wireless/wl12xx/cmd.c @@ -639,6 +639,47 @@ out: return skb; } +int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, __be32 ip_addr) +{ + int ret; + struct wl12xx_arp_rsp_template tmpl; + struct ieee80211_hdr_3addr *hdr; + struct arphdr *arp_hdr; + + memset(&tmpl, 0, sizeof(tmpl)); + + /* mac80211 header */ + hdr = &tmpl.hdr; + hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | + IEEE80211_STYPE_DATA | + IEEE80211_FCTL_TODS); + memcpy(hdr->addr1, wl->vif->bss_conf.bssid, ETH_ALEN); + memcpy(hdr->addr2, wl->vif->addr, ETH_ALEN); + memset(hdr->addr3, 0xff, ETH_ALEN); + + /* llc layer */ + memcpy(tmpl.llc_hdr, rfc1042_header, sizeof(rfc1042_header)); + tmpl.llc_type = htons(ETH_P_ARP); + + /* arp header */ + arp_hdr = &tmpl.arp_hdr; + arp_hdr->ar_hrd = htons(ARPHRD_ETHER); + arp_hdr->ar_pro = htons(ETH_P_IP); + arp_hdr->ar_hln = ETH_ALEN; + arp_hdr->ar_pln = 4; + arp_hdr->ar_op = htons(ARPOP_REPLY); + + /* arp payload */ + memcpy(tmpl.sender_hw, wl->vif->addr, ETH_ALEN); + tmpl.sender_ip = ip_addr; + + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP, + &tmpl, sizeof(tmpl), 0, + wl->basic_rate); + + return ret; +} + int wl1271_build_qos_null_data(struct wl1271 *wl) { struct ieee80211_qos_hdr template; |
