diff options
| author | Stephen Hemminger <shemminger@osdl.org> | 2006-01-03 15:27:38 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-01-03 15:27:38 -0800 |
| commit | 3c19065a1e2c862becc576bc65e54f2bc1cbffe6 (patch) | |
| tree | ffea801487e7bb870fad3ef3dbd4605193acd5d4 | |
| parent | 88df8ef59a3eb54b1e2412765ff2736d2376d1ca (diff) | |
| download | op-kernel-dev-3c19065a1e2c862becc576bc65e54f2bc1cbffe6.zip op-kernel-dev-3c19065a1e2c862becc576bc65e54f2bc1cbffe6.tar.gz | |
[IEEE80211] ipw2200: Simplify multicast checks.
From: Stephen Hemminger <shemminger@osdl.org>
is_multicast_ether_addr() accepts broadcast too, so the
is_broadcast_ether_addr() calls are redundant.
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/wireless/ipw2200.c | 15 | ||||
| -rw-r--r-- | net/ieee80211/ieee80211_rx.c | 5 |
2 files changed, 7 insertions, 13 deletions
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 5e7c7e9..64f6d1f 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -7456,8 +7456,7 @@ static void ipw_handle_data_packet(struct ipw_priv *priv, /* HW decrypt will not clear the WEP bit, MIC, PN, etc. */ hdr = (struct ieee80211_hdr_4addr *)rxb->skb->data; if (priv->ieee->iw_mode != IW_MODE_MONITOR && - ((is_multicast_ether_addr(hdr->addr1) || - is_broadcast_ether_addr(hdr->addr1)) ? + (is_multicast_ether_addr(hdr->addr1) ? !priv->ieee->host_mc_decrypt : !priv->ieee->host_decrypt)) ipw_rebuild_decrypted_skb(priv, rxb->skb); @@ -7648,8 +7647,7 @@ static inline int is_network_packet(struct ipw_priv *priv, return 0; /* {broad,multi}cast packets to our BSSID go through */ - if (is_multicast_ether_addr(header->addr1) || - is_broadcast_ether_addr(header->addr1)) + if (is_multicast_ether_addr(header->addr1)) return !memcmp(header->addr3, priv->bssid, ETH_ALEN); /* packets to our adapter go through */ @@ -7662,8 +7660,7 @@ static inline int is_network_packet(struct ipw_priv *priv, return 0; /* {broad,multi}cast packets to our BSS go through */ - if (is_multicast_ether_addr(header->addr1) || - is_broadcast_ether_addr(header->addr1)) + if (is_multicast_ether_addr(header->addr1)) return !memcmp(header->addr2, priv->bssid, ETH_ALEN); /* packets to our adapter go through */ @@ -9657,8 +9654,7 @@ static inline int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, switch (priv->ieee->iw_mode) { case IW_MODE_ADHOC: hdr_len = IEEE80211_3ADDR_LEN; - unicast = !(is_multicast_ether_addr(hdr->addr1) || - is_broadcast_ether_addr(hdr->addr1)); + unicast = !is_multicast_ether_addr(hdr->addr1); id = ipw_find_station(priv, hdr->addr1); if (id == IPW_INVALID_STATION) { id = ipw_add_station(priv, hdr->addr1); @@ -9673,8 +9669,7 @@ static inline int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, case IW_MODE_INFRA: default: - unicast = !(is_multicast_ether_addr(hdr->addr3) || - is_broadcast_ether_addr(hdr->addr3)); + unicast = !is_multicast_ether_addr(hdr->addr3); hdr_len = IEEE80211_3ADDR_LEN; id = 0; break; diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c index 03efaac..4cc6f41 100644 --- a/net/ieee80211/ieee80211_rx.c +++ b/net/ieee80211/ieee80211_rx.c @@ -410,9 +410,8 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, return 1; } - if ((is_multicast_ether_addr(hdr->addr1) || - is_broadcast_ether_addr(hdr->addr2)) ? ieee->host_mc_decrypt : - ieee->host_decrypt) { + if (is_multicast_ether_addr(hdr->addr1) + ? ieee->host_mc_decrypt : ieee->host_decrypt) { int idx = 0; if (skb->len >= hdrlen + 3) idx = skb->data[hdrlen + 3] >> 6; |
