udhcp: add inline docs; small code shrink

function                                             old     new   delta
send_packet                                          103      87     -16
udhcpc_main                                         2359    2323     -36

1 files changed, 4 insertions, 4 deletions

diff --git a/networking/udhcp/packet.c b/networking/udhcp/packet.c
index 4eedbb53a..1a6f7e6a0 100644
--- a/networking/udhcp/packet.c
+++ b/networking/udhcp/packet.c
@@ -18,12 +18,12 @@
 void FAST_FUNC udhcp_init_header(struct dhcpMessage *packet, char type)
 {
         memset(packet, 0, sizeof(struct dhcpMessage));
-        packet->op = BOOTREQUEST;
+        packet->op = BOOTREQUEST; /* if client to a server */
         switch (type) {
         case DHCPOFFER:
         case DHCPACK:
         case DHCPNAK:
-                packet->op = BOOTREPLY;
+                packet->op = BOOTREPLY; /* if server to client */
         }
         packet->htype = ETH_10MB;
         packet->hlen = ETH_10MB_LEN;
@@ -65,7 +65,7 @@ int FAST_FUNC udhcp_recv_kernel_packet(struct dhcpMessage *packet, int fd)
                                 if (vendor[OPT_LEN - 2] == (uint8_t)strlen(broken_vendors[i])
                                  && !strncmp((char*)vendor, broken_vendors[i], vendor[OPT_LEN - 2])
                                 ) {
-                                        DEBUG("broken client (%s), forcing broadcast",
+                                        DEBUG("broken client (%s), forcing broadcast replies",
                                                 broken_vendors[i]);
                                         packet->flags |= htons(BROADCAST_FLAG);
                                 }
@@ -74,7 +74,7 @@ int FAST_FUNC udhcp_recv_kernel_packet(struct dhcpMessage *packet, int fd)
                         if (vendor[OPT_LEN - 2] == (uint8_t)(sizeof("MSFT 98")-1)
                          && memcmp(vendor, "MSFT 98", sizeof("MSFT 98")-1) == 0
                         ) {
-                                DEBUG("broken client (%s), forcing broadcast", "MSFT 98");
+                                DEBUG("broken client (%s), forcing broadcast replies", "MSFT 98");
                                 packet->flags |= htons(BROADCAST_FLAG);
                         }
 #endif