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netutils/dhcpc: configurable Bootstrap flags

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Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an 2021-01-18 17:57:33 +08:00 • committed by Xiang Xiao
parent ca6907ccbe
commit ebbf2fc072
2 changed files with 14 additions and 4 deletions
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8
netutils/dhcpc/Kconfig
View file

@ -29,4 +29,12 @@ config NETUTILS_DHCPC_RETRIES
This setting determines how many times resolver retries request
until failing.
config NETUTILS_DHCPC_BOOTP_FLAGS
hex "Flags of Bootstrap"
default 0x8000
---help---
This setting to set the BOOTP broadcast flags.
Reference RFC1542: Clarifications and Extensions for the
Bootstrap Protocol.
endif

10
netutils/dhcpc/dhcpc.c
View file

@ -71,8 +71,6 @@
#define STATE_HAVE_OFFER 1
#define STATE_HAVE_LEASE 2
#define BOOTP_BROADCAST 0x8000
#define DHCP_REQUEST 1
#define DHCP_REPLY 2
#define DHCP_HTYPE_ETHERNET 1
@ -261,7 +259,9 @@ static int dhcpc_sendmsg(FAR struct dhcpc_state_s *pdhcpc,
* unicast traffic before being fully configured.
*/
pdhcpc->packet.flags = HTONS(BOOTP_BROADCAST); /* Broadcast bit. */
/* Broadcast bit. */
pdhcpc->packet.flags = HTONS(CONFIG_NETUTILS_DHCPC_BOOTP_FLAGS);
pend = dhcpc_addhostname(hostname, pend);
pend = dhcpc_addreqoptions(pend);
@ -274,7 +274,9 @@ static int dhcpc_sendmsg(FAR struct dhcpc_state_s *pdhcpc,
* unicast traffic before being fully configured.
*/
pdhcpc->packet.flags = HTONS(BOOTP_BROADCAST); /* Broadcast bit. */
/* Broadcast bit. */
pdhcpc->packet.flags = HTONS(CONFIG_NETUTILS_DHCPC_BOOTP_FLAGS);
pend = dhcpc_addhostname(hostname, pend);
pend = dhcpc_addserverid(&pdhcpc->serverid, pend);