From 1e8897a61addec5c2067ffbab38122d6c236ced3 Mon Sep 17 00:00:00 2001 From: "Luke T. Shumaker" Date: Mon, 4 Nov 2024 12:49:09 -0700 Subject: libhw: net.h: Clarify UDP truncation behavior --- libhw/common_include/libhw/generic/net.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'libhw/common_include') diff --git a/libhw/common_include/libhw/generic/net.h b/libhw/common_include/libhw/generic/net.h index 8dedaea..e23dcda 100644 --- a/libhw/common_include/libhw/generic/net.h +++ b/libhw/common_include/libhw/generic/net.h @@ -106,6 +106,11 @@ struct net_packet_conn_vtable { ssize_t (*sendto )(implements_net_packet_conn *self, void *buf, size_t len, struct net_ip4_addr node, uint16_t port); + /** + * @return The full length of the message, which may be more + * than the given `len` (as if the Linux MSG_TRUNC flag were + * given). + */ ssize_t (*recvfrom)(implements_net_packet_conn *self, void *buf, size_t len, struct net_ip4_addr *ret_node, uint16_t *ret_port); -- cgit v1.2.3-2-g168b