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Don't parse broadcast option, we don't use it anyway (made up from ipaddr and netmask), layout change of struct dhcp

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This commit is contained in:
goldsimon 2010-01-31 18:59:37 +00:00
parent 8cb3ea1398
commit 72d6f1a418
2 changed files with 7 additions and 18 deletions
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18
src/core/dhcp.c
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@ -115,8 +115,7 @@
#define DHCP_OPTION_IDX_T2 5
#define DHCP_OPTION_IDX_SUBNET_MASK 6
#define DHCP_OPTION_IDX_ROUTER 7
#define DHCP_OPTION_IDX_BROADCAST 8
#define DHCP_OPTION_IDX_DNS_SERVER 9
#define DHCP_OPTION_IDX_DNS_SERVER 8
#define DHCP_OPTION_IDX_MAX (DHCP_OPTION_IDX_DNS_SERVER + DNS_MAX_SERVERS)
/** Holds the decoded option values, only valid while in dhcp_recv.
@ -501,7 +500,6 @@ dhcp_handle_ack(struct netif *netif)
/* clear options we might not get from the ACK */
dhcp->offered_sn_mask.addr = 0;
dhcp->offered_gw_addr.addr = 0;
dhcp->offered_bc_addr.addr = 0;
#if LWIP_DHCP_BOOTP_FILE
dhcp->offered_si_addr.addr = 0;
#endif /* LWIP_DHCP_BOOTP_FILE */
@ -549,11 +547,6 @@ dhcp_handle_ack(struct netif *netif)
dhcp->offered_gw_addr.addr = htonl(dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_ROUTER));
}
/* broadcast address */
if (dhcp_option_given(dhcp, DHCP_OPTION_IDX_BROADCAST)) {
dhcp->offered_bc_addr.addr = htonl(dhcp_get_option_value(dhcp, DHCP_OPTION_IDX_BROADCAST));
}
#if LWIP_DNS
/* DNS servers */
n = 0;
@ -1160,8 +1153,9 @@ dhcp_release(struct netif *netif)
dhcp_set_state(dhcp, DHCP_OFF);
/* clean old DHCP offer */
dhcp->server_ip_addr.addr = 0;
dhcp->offered_ip_addr.addr = dhcp->offered_sn_mask.addr = 0;
dhcp->offered_gw_addr.addr = dhcp->offered_bc_addr.addr = 0;
dhcp->offered_ip_addr.addr = 0;
dhcp->offered_sn_mask.addr = 0;
dhcp->offered_gw_addr.addr = 0;
#if LWIP_DHCP_BOOTP_FILE
dhcp->offered_si_addr.addr = 0;
#endif /* LWIP_DHCP_BOOTP_FILE */
@ -1377,10 +1371,6 @@ again:
LWIP_ASSERT("len >= decode_len", len >= decode_len);
decode_idx = DHCP_OPTION_IDX_DNS_SERVER;
break;
case(DHCP_OPTION_BROADCAST):
LWIP_ASSERT("len == 4", len == 4);
decode_idx = DHCP_OPTION_IDX_BROADCAST;
break;
case(DHCP_OPTION_LEASE_TIME):
LWIP_ASSERT("len == 4", len == 4);
decode_idx = DHCP_OPTION_IDX_LEASE_TIME;

7
src/include/lwip/dhcp.h
View File

@ -38,6 +38,9 @@ struct dhcp
u8_t state;
/** retries of current request */
u8_t tries;
#if LWIP_DHCP_AUTOIP_COOP
u8_t autoip_coop_state;
#endif
struct pbuf *p_out; /* pbuf of outcoming msg */
struct dhcp_msg *msg_out; /* outgoing msg */
@ -49,14 +52,10 @@ struct dhcp
struct ip_addr offered_ip_addr;
struct ip_addr offered_sn_mask;
struct ip_addr offered_gw_addr;
struct ip_addr offered_bc_addr;
u32_t offered_t0_lease; /* lease period (in seconds) */
u32_t offered_t1_renew; /* recommended renew time (usually 50% of lease period) */
u32_t offered_t2_rebind; /* recommended rebind time (usually 66% of lease period) */
#if LWIP_DHCP_AUTOIP_COOP
u8_t autoip_coop_state;
#endif
/* @todo: LWIP_DHCP_BOOTP_FILE configuration option?
integrate with possible TFTP-client for booting? */
#if LWIP_DHCP_BOOTP_FILE