diff options
| -rw-r--r-- | networking/udhcp/Config.in | 3 | ||||
| -rw-r--r-- | networking/udhcp/common.h | 2 | ||||
| -rw-r--r-- | networking/udhcp/dhcpd.h | 4 | ||||
| -rw-r--r-- | networking/udhcp/leases.c | 4 |
4 files changed, 11 insertions, 2 deletions
diff --git a/networking/udhcp/Config.in b/networking/udhcp/Config.in index d4b76e1..495b079 100644 --- a/networking/udhcp/Config.in +++ b/networking/udhcp/Config.in @@ -74,6 +74,9 @@ config FEATURE_UDHCP_PORT At the cost of ~300 bytes, enables -P port option. This feature is typically not needed. +# TODO: UDHCP_DEBUG is inconvenient to use. +# Make it controllable at runtime (say, via -v, -vv, -vvv) + config UDHCP_DEBUG bool "Compile udhcp with noisy debugging messages" default n diff --git a/networking/udhcp/common.h b/networking/udhcp/common.h index 91e8ccc..0f12be0 100644 --- a/networking/udhcp/common.h +++ b/networking/udhcp/common.h @@ -23,6 +23,7 @@ extern const uint8_t MAC_BCAST_ADDR[6]; /* six all-ones */ #define DHCP_OPTIONS_BUFSIZE 308 +//TODO: rename to dhcp_packet; rename ciaddr/yiaddr/chaddr struct dhcpMessage { uint8_t op; /* 1 = BOOTREQUEST, 2 = BOOTREPLY */ uint8_t htype; /* hardware address type. 1 = 10mb ethernet */ @@ -44,6 +45,7 @@ struct dhcpMessage { uint8_t options[DHCP_OPTIONS_BUFSIZE + CONFIG_UDHCPC_SLACK_FOR_BUGGY_SERVERS]; } PACKED; +//TODO: rename to ip_udp_dhcp_packet? struct udp_dhcp_packet { struct iphdr ip; struct udphdr udp; diff --git a/networking/udhcp/dhcpd.h b/networking/udhcp/dhcpd.h index b233962..bb2febb 100644 --- a/networking/udhcp/dhcpd.h +++ b/networking/udhcp/dhcpd.h @@ -78,6 +78,10 @@ struct server_config_t { typedef uint32_t leasetime_t; typedef int32_t signed_leasetime_t; +//TODO: (1) rename to dyn_lease (that's what it is. we also have static_lease). +//(2) lease_mac16 may be shortened to lease_mac[6], since e.g. ARP probing uses +//only 6 first bytes anyway. We can check received dhcp packets +//that their "chaddr"s have only 6 first bytes != 0, and complain otherwise. struct dhcpOfferedAddr { uint8_t lease_mac16[16]; /* "nip": IP in network order */ diff --git a/networking/udhcp/leases.c b/networking/udhcp/leases.c index 291ae80..06bc086 100644 --- a/networking/udhcp/leases.c +++ b/networking/udhcp/leases.c @@ -22,7 +22,7 @@ static struct dhcpOfferedAddr *oldest_expired_lease(void) for (i = 0; i < server_config.max_leases; i++) { if (leases[i].expires < oldest_time) { oldest_time = leases[i].expires; - oldest_lease = &(leases[i]); + oldest_lease = &leases[i]; } } return oldest_lease; @@ -142,7 +142,7 @@ static int nobody_responds_to_arp(uint32_t addr, const uint8_t *safe_mac) } -/* Find a new usable (we think) address. */ +/* Find a new usable (we think) address */ uint32_t FAST_FUNC find_free_or_expired_address(const uint8_t *chaddr) { uint32_t addr; |