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Simplify TX datapath.

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This commit is contained in:
Michael Brown
2006-06-16 00:19:46 +00:00
parent cce2e47ff4
commit bbd9e28061
9 changed files with 279 additions and 456 deletions
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33
src/net/aoe.c
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@@ -24,6 +24,7 @@
#include <byteswap.h>
#include <gpxe/list.h>
#include <gpxe/if_ether.h>
#include <gpxe/ethernet.h>
#include <gpxe/pkbuff.h>
#include <gpxe/uaccess.h>
#include <gpxe/ata.h>
@@ -116,7 +117,7 @@ static int aoe_send_command ( struct aoe_session *aoe ) {
/* Send packet */
start_timer ( &aoe->timer );
return net_transmit_via ( pkb, aoe->netdev );
return net_transmit ( pkb, aoe->netdev, &aoe_protocol, aoe->target );
}
/**
@@ -251,38 +252,11 @@ static int aoe_rx ( struct pk_buff *pkb ) {
return rc;
}
/**
* Perform AoE network-layer routing
*
* @v pkb Packet buffer
* @ret source Network-layer source address
* @ret dest Network-layer destination address
* @ret rc Return status code
*/
static int aoe_route ( const struct pk_buff *pkb __unused,
struct net_header *nethdr ) {
struct aoehdr *aoehdr = pkb->data;
struct aoe_session *aoe;
list_for_each_entry ( aoe, &aoe_sessions, list ) {
if ( ( ntohs ( aoehdr->major ) == aoe->major ) &&
( aoehdr->minor == aoe->minor ) ) {
nethdr->flags = PKT_FL_RAW_ADDR;
memcpy ( nethdr->dest_net_addr, aoe->target,
sizeof ( aoe->target ) );
return 0;
}
}
return -EHOSTUNREACH;
}
/** AoE protocol */
struct net_protocol aoe_protocol = {
.name = "AoE",
.net_proto = htons ( ETH_P_AOE ),
.rx_process = aoe_rx,
.route = aoe_route,
};
NET_PROTOCOL ( aoe_protocol );
@@ -293,7 +267,8 @@ NET_PROTOCOL ( aoe_protocol );
* @v aoe AoE session
*/
void aoe_open ( struct aoe_session *aoe ) {
memset ( aoe->target, 0xff, sizeof ( aoe->target ) );
memcpy ( aoe->target, ethernet_protocol.ll_broadcast,
sizeof ( aoe->target ) );
aoe->tag = AOE_TAG_MAGIC;
aoe->timer.expired = aoe_timer_expired;
list_add ( &aoe->list, &aoe_sessions );