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When issuing a PXE dhcp request, always issue a param request (DHCP option 55)

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with all dhcp parameters we might be interested in.

Some DHCP server like the new kea (by ISC) expect it.

This makes pxeboot functional with ISC kea.

Submitted by:	Vincent Legout <vincent.legout@gandi.net>
MFC after:	1 month
Sponsored by:	Gandi.net
This commit is contained in:
Baptiste Daroussin 2016-10-31 15:11:55 +00:00
parent 78eb32933b
commit ad9f2cecd7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=308129
1 changed files with 11 additions and 1 deletions
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12
lib/libstand/bootp.c
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@ -148,7 +148,17 @@ bootp(sock, flag)
bp->bp_vend[7] = TAG_CLASSID;
bp->bp_vend[8] = 9;
bcopy("PXEClient", &bp->bp_vend[9], 9);
bp->bp_vend[18] = TAG_END;
bp->bp_vend[18] = TAG_PARAM_REQ;
bp->bp_vend[19] = 8;
bp->bp_vend[20] = TAG_ROOTPATH;
bp->bp_vend[21] = TAG_TFTP_SERVER;
bp->bp_vend[22] = TAG_HOSTNAME;
bp->bp_vend[23] = TAG_SWAPSERVER;
bp->bp_vend[24] = TAG_GATEWAY;
bp->bp_vend[25] = TAG_SUBNET_MASK;
bp->bp_vend[26] = TAG_INTF_MTU;
bp->bp_vend[27] = TAG_SERVERID;
bp->bp_vend[28] = TAG_END;
} else
bp->bp_vend[7] = TAG_END;
#else