From 70f879d2852dfc042ad0911a4a6e4a1714c0eb83 Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Fri, 13 Mar 2020 17:54:42 +0000 Subject: session tcp udp: consolidate transport snd apis Type: improvement Use only one api to retrieve transport send parameters. Additionally, allow transports to request postponing and descheduling of events. With this, tcp now requests descheduling of sessions when the connections are stuck probing for zero snd_wnd Signed-off-by: Florin Coras Change-Id: I722c974f3e68fa15424c519a1fffacda43af050c --- src/vnet/udp/udp.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) (limited to 'src/vnet/udp/udp.c') diff --git a/src/vnet/udp/udp.c b/src/vnet/udp/udp.c index 34cebec93d2..109f4683e7f 100644 --- a/src/vnet/udp/udp.c +++ b/src/vnet/udp/udp.c @@ -273,18 +273,17 @@ format_udp_listener_session (u8 * s, va_list * args) return format (s, "%U", format_udp_connection, uc, verbose); } -u16 -udp_send_mss (transport_connection_t * t) -{ - /* TODO figure out MTU of output interface */ - return 1460; -} - -u32 -udp_send_space (transport_connection_t * t) +static int +udp_session_send_params (transport_connection_t * tconn, + transport_send_params_t * sp) { /* No constraint on TX window */ - return ~0; + sp->snd_space = ~0; + /* TODO figure out MTU of output interface */ + sp->snd_mss = 1460; + sp->tx_offset = 0; + sp->flags = 0; + return 0; } int @@ -357,8 +356,7 @@ static const transport_proto_vft_t udp_proto = { .get_half_open = udp_session_get_half_open, .close = udp_session_close, .cleanup = udp_session_cleanup, - .send_mss = udp_send_mss, - .send_space = udp_send_space, + .send_params = udp_session_send_params, .format_connection = format_udp_session, .format_half_open = format_udp_half_open_session, .format_listener = format_udp_listener_session, @@ -412,8 +410,7 @@ static const transport_proto_vft_t udpc_proto = { .get_half_open = udp_session_get_half_open, .close = udp_session_close, .cleanup = udp_session_cleanup, - .send_mss = udp_send_mss, - .send_space = udp_send_space, + .send_params = udp_session_send_params, .format_connection = format_udp_session, .format_half_open = format_udp_half_open_session, .format_listener = format_udp_listener_session, -- cgit 1.2.3-korg