diff options
| author | Michael Brown | 2011-07-15 19:48:46 +0200 |
|---|---|---|
| committer | Michael Brown | 2011-07-15 19:48:46 +0200 |
| commit | a667bf044a37f9e96830f1f35627829860f7019f (patch) | |
| tree | fabf3420f244fd35ed3576169db8cf0cd706dd9f /src/net/80211 | |
| parent | [http] Include port in HTTP Host header as needed (diff) | |
| download | ipxe-a667bf044a37f9e96830f1f35627829860f7019f.tar.gz ipxe-a667bf044a37f9e96830f1f35627829860f7019f.tar.xz ipxe-a667bf044a37f9e96830f1f35627829860f7019f.zip | |
[netdevice] Allow link layer to report broadcast/multicast packets via pull()
Allow the link layer to directly report whether or not a packet is
multicast or broadcast at the time of calling pull(), rather than
relying on heuristics to determine this at a later stage.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/net/80211')
| -rw-r--r-- | src/net/80211/net80211.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/net/80211/net80211.c b/src/net/80211/net80211.c index 466d1243..c00363cd 100644 --- a/src/net/80211/net80211.c +++ b/src/net/80211/net80211.c @@ -135,7 +135,8 @@ static int net80211_ll_push ( struct net_device *netdev, const void *ll_source, uint16_t net_proto ); static int net80211_ll_pull ( struct net_device *netdev, struct io_buffer *iobuf, const void **ll_dest, - const void **ll_source, uint16_t * net_proto ); + const void **ll_source, uint16_t * net_proto, + unsigned int *flags ); /** @} */ /** @@ -529,6 +530,7 @@ static int net80211_ll_push ( struct net_device *netdev, * @ret ll_dest Link-layer destination address * @ret ll_source Link-layer source * @ret net_proto Network-layer protocol, in network byte order + * @ret flags Packet flags * @ret rc Return status code * * This expects and removes both the 802.11 frame header and the 802.2 @@ -537,7 +539,7 @@ static int net80211_ll_push ( struct net_device *netdev, static int net80211_ll_pull ( struct net_device *netdev __unused, struct io_buffer *iobuf, const void **ll_dest, const void **ll_source, - uint16_t * net_proto ) + uint16_t * net_proto, unsigned int *flags ) { struct ieee80211_frame *hdr = iobuf->data; struct ieee80211_llc_snap_header *lhdr = @@ -586,6 +588,10 @@ static int net80211_ll_pull ( struct net_device *netdev __unused, *ll_dest = hdr->addr1; *ll_source = hdr->addr3; *net_proto = lhdr->ethertype; + *flags = ( ( is_multicast_ether_addr ( hdr->addr1 ) ? + LL_MULTICAST : 0 ) | + ( is_broadcast_ether_addr ( hdr->addr1 ) ? + LL_BROADCAST : 0 ) ); return 0; } |