diff --git a/passt.h b/passt.h index 6b24805..8f45091 100644 --- a/passt.h +++ b/passt.h @@ -69,8 +69,8 @@ union epoll_ref { static_assert(sizeof(union epoll_ref) <= sizeof(union epoll_data), "epoll_ref must have same size as epoll_data"); -#define PKT_BUF_BYTES \ - ROUND_DOWN(((ETH_MAX_MTU + sizeof(uint32_t)) * 128), PAGE_SIZE) +/* Large enough for ~128 maximum size frames */ +#define PKT_BUF_BYTES (8UL << 20) #define TAP_MSGS \ DIV_ROUND_UP(PKT_BUF_BYTES, ETH_ZLEN - 2 * ETH_ALEN + sizeof(uint32_t))