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802.3ad: generalize out mac address initializer 

Generalize out mac address initializer for the LACPDU multicast
address and use in two places.  Remove the now unused
AD_MULTICAST_LACPDU_ADDR.

Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Holger Eitzenberger 2008-12-26 13:40:48 -08:00 committed by David S. Miller
parent 7addeef6b1
commit e4ac43200f
2 changed files with 14 additions and 11 deletions
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24
drivers/net/bonding/bond_3ad.c
View File

@ -95,6 +95,8 @@ static struct mac_addr null_mac_addr = {{0, 0, 0, 0, 0, 0}};
static u16 ad_ticks_per_sec;
static const int ad_delta_in_ticks = (AD_TIMER_INTERVAL * HZ) / 1000;
static const u8 lacpdu_mcast_addr[ETH_ALEN] = MULTICAST_LACPDU_ADDR;
// ================= main 802.3ad protocol functions ==================
static int ad_lacpdu_send(struct port *port);
static int ad_marker_send(struct port *port, struct bond_marker *marker);
@ -824,7 +826,6 @@ static int ad_lacpdu_send(struct port *port)
struct sk_buff *skb;
struct lacpdu_header *lacpdu_header;
int length = sizeof(struct lacpdu_header);
struct mac_addr lacpdu_multicast_address = AD_MULTICAST_LACPDU_ADDR;
skb = dev_alloc_skb(length);
if (!skb) {
@ -839,10 +840,12 @@ static int ad_lacpdu_send(struct port *port)
lacpdu_header = (struct lacpdu_header *)skb_put(skb, length);
lacpdu_header->ad_header.destination_address = lacpdu_multicast_address;
/* Note: source addres is set to be the member's PERMANENT address, because we use it
to identify loopback lacpdus in receive. */
lacpdu_header->ad_header.source_address = *((struct mac_addr *)(slave->perm_hwaddr));
memcpy(lacpdu_header->ad_header.destination_address.mac_addr_value,
lacpdu_mcast_addr, ETH_ALEN);
/* Note: source addres is set to be the member's PERMANENT address,
because we use it to identify loopback lacpdus in receive. */
memcpy(lacpdu_header->ad_header.source_address.mac_addr_value,
slave->perm_hwaddr, ETH_ALEN);
lacpdu_header->ad_header.length_type = PKT_TYPE_LACPDU;
lacpdu_header->lacpdu = port->lacpdu; // struct copy
@ -866,7 +869,6 @@ static int ad_marker_send(struct port *port, struct bond_marker *marker)
struct sk_buff *skb;
struct bond_marker_header *marker_header;
int length = sizeof(struct bond_marker_header);
struct mac_addr lacpdu_multicast_address = AD_MULTICAST_LACPDU_ADDR;
skb = dev_alloc_skb(length + 16);
if (!skb) {
@ -882,10 +884,12 @@ static int ad_marker_send(struct port *port, struct bond_marker *marker)
marker_header = (struct bond_marker_header *)skb_put(skb, length);
marker_header->ad_header.destination_address = lacpdu_multicast_address;
/* Note: source addres is set to be the member's PERMANENT address, because we use it
to identify loopback MARKERs in receive. */
marker_header->ad_header.source_address = *((struct mac_addr *)(slave->perm_hwaddr));
memcpy(marker_header->ad_header.destination_address.mac_addr_value,
lacpdu_mcast_addr, ETH_ALEN);
/* Note: source addres is set to be the member's PERMANENT address,
because we use it to identify loopback MARKERs in receive. */
memcpy(marker_header->ad_header.source_address.mac_addr_value,
slave->perm_hwaddr, ETH_ALEN);
marker_header->ad_header.length_type = PKT_TYPE_LACPDU;
marker_header->marker = *marker; // struct copy

1
drivers/net/bonding/bond_3ad.h
View File

@ -33,7 +33,6 @@
#define AD_TIMER_INTERVAL 100 /*msec*/
#define MULTICAST_LACPDU_ADDR {0x01, 0x80, 0xC2, 0x00, 0x00, 0x02}
#define AD_MULTICAST_LACPDU_ADDR {MULTICAST_LACPDU_ADDR}
#define AD_LACP_SLOW 0
#define AD_LACP_FAST 1