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[iscsi] Include IP address origin in iBFT

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The iBFT includes an "origin" field to indicate the source of the IP
address.  We use the heuristic of assuming that the source should be
"manual" if the IP address originates directly from the network device
settings block, and "DHCP" otherwise.  This is an imperfect guess, but
is likely to be correct in most common situations.

Originally-implemented-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2014-06-12 16:05:48 +01:00
parent 059adae434
commit d5cf058994
2 changed files with 15 additions and 0 deletions
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7
src/drivers/block/ibft.c
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@@ -236,6 +236,7 @@ static int ibft_fill_nic ( struct ibft_nic *nic,
struct in_addr netmask_addr = { 0 };
unsigned int netmask_count = 0;
struct settings *parent = netdev_settings ( netdev );
struct settings *origin;
int rc;
/* Fill in common header */
@@ -245,6 +246,12 @@ static int ibft_fill_nic ( struct ibft_nic *nic,
nic->header.flags = ( IBFT_FL_NIC_BLOCK_VALID |
IBFT_FL_NIC_FIRMWARE_BOOT_SELECTED );
/* Determine origin of IP address */
fetch_setting ( parent, &ip_setting, &origin, NULL, NULL, 0 );
nic->origin = ( ( origin == parent ) ?
IBFT_NIC_ORIGIN_MANUAL : IBFT_NIC_ORIGIN_DHCP );
DBG ( "iBFT NIC origin = %d\n", nic->origin );
/* Extract values from configuration settings */
ibft_set_ipaddr_setting ( parent, &nic->ip_address, &ip_setting, 1 );
DBG ( "iBFT NIC IP = %s\n", ibft_ipaddr ( &nic->ip_address ) );