From b57ceb19aba7d40403ca985ec565db8db20f4331 Mon Sep 17 00:00:00 2001 From: Mateusz Kulikowski Date: Sun, 31 May 2015 20:19:22 +0200 Subject: staging: rtl8192e: Fix PREFER_ETHER_ADDR_COPY warnings Replace memcpy() with ether_addr_copy() where possible to make checkpatch.pl happy. Change was target tested (download 1Mb file over WPA2 network) with BUG trap for unaligned addresses in ether_addr_copy() Signed-off-by: Mateusz Kulikowski Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c index 926fca7..f9c6153 100644 --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c @@ -382,7 +382,7 @@ static void rtl8192_read_eeprom_info(struct net_device *dev) *(u16 *)(&dev->dev_addr[i]) = usValue; } } else { - memcpy(dev->dev_addr, bMac_Tmp_Addr, 6); + ether_addr_copy(dev->dev_addr, bMac_Tmp_Addr); } RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c index 26258ea..5b72bce 100644 --- a/drivers/staging/rtl8192e/rtl819x_BAProc.c +++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c @@ -18,6 +18,7 @@ ******************************************************************************/ #include #include +#include #include "rtllib.h" #include "rtl819x_BA.h" @@ -103,10 +104,10 @@ static struct sk_buff *rtllib_ADDBA(struct rtllib_device *ieee, u8 *Dst, BAReq = (struct rtllib_hdr_3addr *)skb_put(skb, sizeof(struct rtllib_hdr_3addr)); - memcpy(BAReq->addr1, Dst, ETH_ALEN); - memcpy(BAReq->addr2, ieee->dev->dev_addr, ETH_ALEN); + ether_addr_copy(BAReq->addr1, Dst); + ether_addr_copy(BAReq->addr2, ieee->dev->dev_addr); - memcpy(BAReq->addr3, ieee->current_network.bssid, ETH_ALEN); + ether_addr_copy(BAReq->addr3, ieee->current_network.bssid); BAReq->frame_ctl = cpu_to_le16(RTLLIB_STYPE_MANAGE_ACT); tag = (u8 *)skb_put(skb, 9); @@ -167,9 +168,9 @@ static struct sk_buff *rtllib_DELBA(struct rtllib_device *ieee, u8 *dst, Delba = (struct rtllib_hdr_3addr *) skb_put(skb, sizeof(struct rtllib_hdr_3addr)); - memcpy(Delba->addr1, dst, ETH_ALEN); - memcpy(Delba->addr2, ieee->dev->dev_addr, ETH_ALEN); - memcpy(Delba->addr3, ieee->current_network.bssid, ETH_ALEN); + ether_addr_copy(Delba->addr1, dst); + ether_addr_copy(Delba->addr2, ieee->dev->dev_addr); + ether_addr_copy(Delba->addr3, ieee->current_network.bssid); Delba->frame_ctl = cpu_to_le16(RTLLIB_STYPE_MANAGE_ACT); tag = (u8 *)skb_put(skb, 6); diff --git a/drivers/staging/rtl8192e/rtllib_crypt_tkip.c b/drivers/staging/rtl8192e/rtllib_crypt_tkip.c index cdad066..6b20479 100644 --- a/drivers/staging/rtl8192e/rtllib_crypt_tkip.c +++ b/drivers/staging/rtl8192e/rtllib_crypt_tkip.c @@ -21,6 +21,7 @@ #include #include #include +#include #include "rtllib.h" @@ -533,20 +534,20 @@ static void michael_mic_hdr(struct sk_buff *skb, u8 *hdr) switch (le16_to_cpu(hdr11->frame_ctl) & (RTLLIB_FCTL_FROMDS | RTLLIB_FCTL_TODS)) { case RTLLIB_FCTL_TODS: - memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */ - memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */ + ether_addr_copy(hdr, hdr11->addr3); /* DA */ + ether_addr_copy(hdr + ETH_ALEN, hdr11->addr2); /* SA */ break; case RTLLIB_FCTL_FROMDS: - memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */ - memcpy(hdr + ETH_ALEN, hdr11->addr3, ETH_ALEN); /* SA */ + ether_addr_copy(hdr, hdr11->addr1); /* DA */ + ether_addr_copy(hdr + ETH_ALEN, hdr11->addr3); /* SA */ break; case RTLLIB_FCTL_FROMDS | RTLLIB_FCTL_TODS: - memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */ - memcpy(hdr + ETH_ALEN, hdr11->addr4, ETH_ALEN); /* SA */ + ether_addr_copy(hdr, hdr11->addr3); /* DA */ + ether_addr_copy(hdr + ETH_ALEN, hdr11->addr4); /* SA */ break; case 0: - memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */ - memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */ + ether_addr_copy(hdr, hdr11->addr1); /* DA */ + ether_addr_copy(hdr + ETH_ALEN, hdr11->addr2); /* SA */ break; } @@ -599,7 +600,7 @@ static void rtllib_michael_mic_failure(struct net_device *dev, else ev.flags |= IW_MICFAILURE_PAIRWISE; ev.src_addr.sa_family = ARPHRD_ETHER; - memcpy(ev.src_addr.sa_data, hdr->addr2, ETH_ALEN); + ether_addr_copy(ev.src_addr.sa_data, hdr->addr2); memset(&wrqu, 0, sizeof(wrqu)); wrqu.data.length = sizeof(ev); wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *) &ev); diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c index 3228bfd..bde80c8 100644 --- a/drivers/staging/rtl8192e/rtllib_rx.c +++ b/drivers/staging/rtl8192e/rtllib_rx.c @@ -139,8 +139,8 @@ rtllib_frag_cache_get(struct rtllib_device *ieee, entry->seq = seq; entry->last_frag = frag; entry->skb = skb; - memcpy(entry->src_addr, hdr->addr2, ETH_ALEN); - memcpy(entry->dst_addr, hdr->addr1, ETH_ALEN); + ether_addr_copy(entry->src_addr, hdr->addr2); + ether_addr_copy(entry->dst_addr, hdr->addr1); } else { /* received a fragment of a frame for which the head fragment * should have already been received @@ -400,7 +400,7 @@ static int is_duplicate_packet(struct rtllib_device *ieee, if (!entry) return 0; - memcpy(entry->mac, mac, ETH_ALEN); + ether_addr_copy(entry->mac, mac); entry->seq_num[tid] = seq; entry->frag_num[tid] = frag; entry->packet_time[tid] = jiffies; @@ -927,24 +927,24 @@ static void rtllib_rx_extract_addr(struct rtllib_device *ieee, switch (fc & (RTLLIB_FCTL_FROMDS | RTLLIB_FCTL_TODS)) { case RTLLIB_FCTL_FROMDS: - memcpy(dst, hdr->addr1, ETH_ALEN); - memcpy(src, hdr->addr3, ETH_ALEN); - memcpy(bssid, hdr->addr2, ETH_ALEN); + ether_addr_copy(dst, hdr->addr1); + ether_addr_copy(src, hdr->addr3); + ether_addr_copy(bssid, hdr->addr2); break; case RTLLIB_FCTL_TODS: - memcpy(dst, hdr->addr3, ETH_ALEN); - memcpy(src, hdr->addr2, ETH_ALEN); - memcpy(bssid, hdr->addr1, ETH_ALEN); + ether_addr_copy(dst, hdr->addr3); + ether_addr_copy(src, hdr->addr2); + ether_addr_copy(bssid, hdr->addr1); break; case RTLLIB_FCTL_FROMDS | RTLLIB_FCTL_TODS: - memcpy(dst, hdr->addr3, ETH_ALEN); - memcpy(src, hdr->addr4, ETH_ALEN); - memcpy(bssid, ieee->current_network.bssid, ETH_ALEN); + ether_addr_copy(dst, hdr->addr3); + ether_addr_copy(src, hdr->addr4); + ether_addr_copy(bssid, ieee->current_network.bssid); break; case 0: - memcpy(dst, hdr->addr1, ETH_ALEN); - memcpy(src, hdr->addr2, ETH_ALEN); - memcpy(bssid, hdr->addr3, ETH_ALEN); + ether_addr_copy(dst, hdr->addr1); + ether_addr_copy(src, hdr->addr2); + ether_addr_copy(bssid, hdr->addr3); break; } } @@ -1218,15 +1218,19 @@ static void rtllib_rx_indicate_pkt_legacy(struct rtllib_device *ieee, * replace EtherType */ skb_pull(sub_skb, SNAP_SIZE); - memcpy(skb_push(sub_skb, ETH_ALEN), src, ETH_ALEN); - memcpy(skb_push(sub_skb, ETH_ALEN), dst, ETH_ALEN); + ether_addr_copy(skb_push(sub_skb, ETH_ALEN), + src); + ether_addr_copy(skb_push(sub_skb, ETH_ALEN), + dst); } else { u16 len; /* Leave Ethernet header part of hdr and full payload */ len = sub_skb->len; memcpy(skb_push(sub_skb, 2), &len, 2); - memcpy(skb_push(sub_skb, ETH_ALEN), src, ETH_ALEN); - memcpy(skb_push(sub_skb, ETH_ALEN), dst, ETH_ALEN); + ether_addr_copy(skb_push(sub_skb, ETH_ALEN), + src); + ether_addr_copy(skb_push(sub_skb, ETH_ALEN), + dst); } ieee->stats.rx_packets++; @@ -2050,7 +2054,7 @@ int rtllib_parse_info_param(struct rtllib_device *ieee, if (network->MBssidMask != 0) { network->bMBssidValid = true; network->MBssidMask = 0xff << (network->MBssidMask); - memcpy(network->MBssid, network->bssid, ETH_ALEN); + ether_addr_copy(network->MBssid, network->bssid); network->MBssid[5] &= network->MBssidMask; } else { network->bMBssidValid = false; @@ -2210,7 +2214,7 @@ static inline int rtllib_network_init( memset(&network->qos_data, 0, sizeof(struct rtllib_qos_data)); /* Pull out fixed field data */ - memcpy(network->bssid, beacon->header.addr3, ETH_ALEN); + ether_addr_copy(network->bssid, beacon->header.addr3); network->capability = le16_to_cpu(beacon->capability); network->last_scanned = jiffies; network->time_stamp[0] = beacon->time_stamp[0]; diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c index 051105d..2f562de 100644 --- a/drivers/staging/rtl8192e/rtllib_softmac.c +++ b/drivers/staging/rtl8192e/rtllib_softmac.c @@ -372,7 +372,7 @@ static inline struct sk_buff *rtllib_probe_req(struct rtllib_device *ieee) req->header.duration_id = 0; memset(req->header.addr1, 0xff, ETH_ALEN); - memcpy(req->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + ether_addr_copy(req->header.addr2, ieee->dev->dev_addr); memset(req->header.addr3, 0xff, ETH_ALEN); tag = (u8 *) skb_put(skb, len + 2 + rate_len); @@ -815,9 +815,9 @@ inline struct sk_buff *rtllib_authentication_req(struct rtllib_network *beacon, auth->header.frame_ctl |= cpu_to_le16(RTLLIB_FCTL_WEP); auth->header.duration_id = cpu_to_le16(0x013a); - memcpy(auth->header.addr1, beacon->bssid, ETH_ALEN); - memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN); - memcpy(auth->header.addr3, beacon->bssid, ETH_ALEN); + ether_addr_copy(auth->header.addr1, beacon->bssid); + ether_addr_copy(auth->header.addr2, ieee->dev->dev_addr); + ether_addr_copy(auth->header.addr3, beacon->bssid); if (ieee->auth_mode == 0) auth->algorithm = WLAN_AUTH_OPEN; else if (ieee->auth_mode == 1) @@ -909,9 +909,9 @@ static struct sk_buff *rtllib_probe_resp(struct rtllib_device *ieee, beacon_buf = (struct rtllib_probe_response *) skb_put(skb, (beacon_size - ieee->tx_headroom)); - memcpy(beacon_buf->header.addr1, dest, ETH_ALEN); - memcpy(beacon_buf->header.addr2, ieee->dev->dev_addr, ETH_ALEN); - memcpy(beacon_buf->header.addr3, ieee->current_network.bssid, ETH_ALEN); + ether_addr_copy(beacon_buf->header.addr1, dest); + ether_addr_copy(beacon_buf->header.addr2, ieee->dev->dev_addr); + ether_addr_copy(beacon_buf->header.addr3, ieee->current_network.bssid); beacon_buf->header.duration_id = 0; beacon_buf->beacon_interval = @@ -1006,9 +1006,9 @@ static struct sk_buff *rtllib_assoc_resp(struct rtllib_device *ieee, u8 *dest) skb_put(skb, sizeof(struct rtllib_assoc_response_frame)); assoc->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_ASSOC_RESP); - memcpy(assoc->header.addr1, dest, ETH_ALEN); - memcpy(assoc->header.addr3, ieee->dev->dev_addr, ETH_ALEN); - memcpy(assoc->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + ether_addr_copy(assoc->header.addr1, dest); + ether_addr_copy(assoc->header.addr3, ieee->dev->dev_addr); + ether_addr_copy(assoc->header.addr2, ieee->dev->dev_addr); assoc->capability = cpu_to_le16(ieee->iw_mode == IW_MODE_MASTER ? WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS); @@ -1063,9 +1063,9 @@ static struct sk_buff *rtllib_auth_resp(struct rtllib_device *ieee, int status, auth->transaction = cpu_to_le16(2); auth->algorithm = cpu_to_le16(WLAN_AUTH_OPEN); - memcpy(auth->header.addr3, ieee->dev->dev_addr, ETH_ALEN); - memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN); - memcpy(auth->header.addr1, dest, ETH_ALEN); + ether_addr_copy(auth->header.addr3, ieee->dev->dev_addr); + ether_addr_copy(auth->header.addr2, ieee->dev->dev_addr); + ether_addr_copy(auth->header.addr1, dest); auth->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_AUTH); return skb; @@ -1086,9 +1086,9 @@ static struct sk_buff *rtllib_null_func(struct rtllib_device *ieee, short pwr) hdr = (struct rtllib_hdr_3addr *)skb_put(skb, sizeof(struct rtllib_hdr_3addr)); - memcpy(hdr->addr1, ieee->current_network.bssid, ETH_ALEN); - memcpy(hdr->addr2, ieee->dev->dev_addr, ETH_ALEN); - memcpy(hdr->addr3, ieee->current_network.bssid, ETH_ALEN); + ether_addr_copy(hdr->addr1, ieee->current_network.bssid); + ether_addr_copy(hdr->addr2, ieee->dev->dev_addr); + ether_addr_copy(hdr->addr3, ieee->current_network.bssid); hdr->frame_ctl = cpu_to_le16(RTLLIB_FTYPE_DATA | RTLLIB_STYPE_NULLFUNC | RTLLIB_FCTL_TODS | @@ -1113,8 +1113,8 @@ static struct sk_buff *rtllib_pspoll_func(struct rtllib_device *ieee) hdr = (struct rtllib_pspoll_hdr *)skb_put(skb, sizeof(struct rtllib_pspoll_hdr)); - memcpy(hdr->bssid, ieee->current_network.bssid, ETH_ALEN); - memcpy(hdr->ta, ieee->dev->dev_addr, ETH_ALEN); + ether_addr_copy(hdr->bssid, ieee->current_network.bssid); + ether_addr_copy(hdr->ta, ieee->dev->dev_addr); hdr->aid = cpu_to_le16(ieee->assoc_id | 0xc000); hdr->frame_ctl = cpu_to_le16(RTLLIB_FTYPE_CTL | RTLLIB_STYPE_PSPOLL | @@ -1266,11 +1266,11 @@ inline struct sk_buff *rtllib_association_req(struct rtllib_network *beacon, hdr->header.frame_ctl = RTLLIB_STYPE_ASSOC_REQ; hdr->header.duration_id = cpu_to_le16(37); - memcpy(hdr->header.addr1, beacon->bssid, ETH_ALEN); - memcpy(hdr->header.addr2, ieee->dev->dev_addr, ETH_ALEN); - memcpy(hdr->header.addr3, beacon->bssid, ETH_ALEN); + ether_addr_copy(hdr->header.addr1, beacon->bssid); + ether_addr_copy(hdr->header.addr2, ieee->dev->dev_addr); + ether_addr_copy(hdr->header.addr3, beacon->bssid); - memcpy(ieee->ap_mac_addr, beacon->bssid, ETH_ALEN); + ether_addr_copy(ieee->ap_mac_addr, beacon->bssid); hdr->capability = cpu_to_le16(WLAN_CAPABILITY_ESS); if (beacon->capability & WLAN_CAPABILITY_PRIVACY) @@ -1830,7 +1830,7 @@ static int auth_rq_parse(struct sk_buff *skb, u8 *dest) } a = (struct rtllib_authentication *) skb->data; - memcpy(dest, a->header.addr2, ETH_ALEN); + ether_addr_copy(dest, a->header.addr2); if (le16_to_cpu(a->algorithm) != WLAN_AUTH_OPEN) return WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG; @@ -1858,7 +1858,7 @@ static short probe_rq_parse(struct rtllib_device *ieee, struct sk_buff *skb, if (bssid_match) return -1; - memcpy(src, header->addr2, ETH_ALEN); + ether_addr_copy(src, header->addr2); skbend = (u8 *)skb->data + skb->len; @@ -1897,7 +1897,7 @@ static int assoc_rq_parse(struct sk_buff *skb, u8 *dest) a = (struct rtllib_assoc_request_frame *) skb->data; - memcpy(dest, a->header.addr2, ETH_ALEN); + ether_addr_copy(dest, a->header.addr2); return 0; } @@ -2652,7 +2652,7 @@ void rtllib_start_master_bss(struct rtllib_device *ieee) ieee->ssid_set = 1; } - memcpy(ieee->current_network.bssid, ieee->dev->dev_addr, ETH_ALEN); + ether_addr_copy(ieee->current_network.bssid, ieee->dev->dev_addr); ieee->set_chan(ieee->dev, ieee->current_network.channel); ieee->state = RTLLIB_LINKED; @@ -3519,9 +3519,9 @@ inline struct sk_buff *rtllib_disauth_skb(struct rtllib_network *beacon, disauth->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_DEAUTH); disauth->header.duration_id = 0; - memcpy(disauth->header.addr1, beacon->bssid, ETH_ALEN); - memcpy(disauth->header.addr2, ieee->dev->dev_addr, ETH_ALEN); - memcpy(disauth->header.addr3, beacon->bssid, ETH_ALEN); + ether_addr_copy(disauth->header.addr1, beacon->bssid); + ether_addr_copy(disauth->header.addr2, ieee->dev->dev_addr); + ether_addr_copy(disauth->header.addr3, beacon->bssid); disauth->reason = cpu_to_le16(asRsn); return skb; @@ -3546,9 +3546,9 @@ inline struct sk_buff *rtllib_disassociate_skb(struct rtllib_network *beacon, disass->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_DISASSOC); disass->header.duration_id = 0; - memcpy(disass->header.addr1, beacon->bssid, ETH_ALEN); - memcpy(disass->header.addr2, ieee->dev->dev_addr, ETH_ALEN); - memcpy(disass->header.addr3, beacon->bssid, ETH_ALEN); + ether_addr_copy(disass->header.addr1, beacon->bssid); + ether_addr_copy(disass->header.addr2, ieee->dev->dev_addr); + ether_addr_copy(disass->header.addr3, beacon->bssid); disass->reason = cpu_to_le16(asRsn); return skb; diff --git a/drivers/staging/rtl8192e/rtllib_softmac_wx.c b/drivers/staging/rtl8192e/rtllib_softmac_wx.c index 9715a79..90c7bde 100644 --- a/drivers/staging/rtl8192e/rtllib_softmac_wx.c +++ b/drivers/staging/rtl8192e/rtllib_softmac_wx.c @@ -160,7 +160,7 @@ int rtllib_wx_set_wap(struct rtllib_device *ieee, if (is_zero_ether_addr(temp->sa_data)) { spin_lock_irqsave(&ieee->lock, flags); - memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN); + ether_addr_copy(ieee->current_network.bssid, temp->sa_data); ieee->wap_set = 0; spin_unlock_irqrestore(&ieee->lock, flags); ret = -1; @@ -177,7 +177,7 @@ int rtllib_wx_set_wap(struct rtllib_device *ieee, spin_lock_irqsave(&ieee->lock, flags); ieee->cannot_notify = false; - memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN); + ether_addr_copy(ieee->current_network.bssid, temp->sa_data); ieee->wap_set = !is_zero_ether_addr(temp->sa_data); spin_unlock_irqrestore(&ieee->lock, flags); diff --git a/drivers/staging/rtl8192e/rtllib_tx.c b/drivers/staging/rtl8192e/rtllib_tx.c index b177d7b..b09d5d0 100644 --- a/drivers/staging/rtl8192e/rtllib_tx.c +++ b/drivers/staging/rtl8192e/rtllib_tx.c @@ -609,8 +609,8 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) goto success; } /* Save source and destination addresses */ - memcpy(dest, skb->data, ETH_ALEN); - memcpy(src, skb->data+ETH_ALEN, ETH_ALEN); + ether_addr_copy(dest, skb->data); + ether_addr_copy(src, skb->data + ETH_ALEN); memset(skb->cb, 0, sizeof(skb->cb)); ether_type = ntohs(((struct ethhdr *)skb->data)->h_proto); @@ -695,22 +695,22 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) /* To DS: Addr1 = BSSID, Addr2 = SA, * Addr3 = DA */ - memcpy(&header.addr1, ieee->current_network.bssid, - ETH_ALEN); - memcpy(&header.addr2, &src, ETH_ALEN); + ether_addr_copy(header.addr1, + ieee->current_network.bssid); + ether_addr_copy(header.addr2, src); if (IsAmsdu) - memcpy(&header.addr3, - ieee->current_network.bssid, ETH_ALEN); + ether_addr_copy(header.addr3, + ieee->current_network.bssid); else - memcpy(&header.addr3, &dest, ETH_ALEN); + ether_addr_copy(header.addr3, dest); } else if (ieee->iw_mode == IW_MODE_ADHOC) { /* not From/To DS: Addr1 = DA, Addr2 = SA, * Addr3 = BSSID */ - memcpy(&header.addr1, dest, ETH_ALEN); - memcpy(&header.addr2, src, ETH_ALEN); - memcpy(&header.addr3, ieee->current_network.bssid, - ETH_ALEN); + ether_addr_copy(header.addr1, dest); + ether_addr_copy(header.addr2, src); + ether_addr_copy(header.addr3, + ieee->current_network.bssid); } bIsMulticast = is_multicast_ether_addr(header.addr1); -- cgit v0.10.2