DHCP: Support jumbo frames

Also important as we now need to store the frame header in the
initial buffer.

diff --git a/src/dhcp.c b/src/dhcp.c
index 1be4adddd6a01416e51529193524d18e9c795c51..2b1e44f1995bc9753f02142b1ec8d00bd4b1502f 100644 (file)
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -3432,7 +3432,7 @@ static void
 dhcp_readbpf(void *arg)
 {
        struct interface *ifp = arg;
-       uint8_t buf[MTU_MAX];
+       uint8_t buf[10240];     /* Max jumbo frame and some extra */
        ssize_t bytes;
        struct dhcp_state *state = D_STATE(ifp);
        ssize_t fl = (ssize_t)bpf_frame_header_len(ifp);