Joel Cunningham 2980f7cc58 Vectorize netconn_write for TCP ...

This commit adds support to the netconn write APIs to take an input of
vectors instead of a single data pointer

This allows vectors sent on a TCP connection via sendmsg to be treated
atomically.  The set of vectors is segmented into as much data as can
fit into the send buffer and then the TCP output function is called

Previously, each vector was passed to netconn_write_partly and tcp_write
segmented it into its own packet, which was then it was sent via
tcp_output (if not Nagleing)

This commit adds vector support to lwip_netconn_do_writemore() which
is the meat of the TCP write functionality from netconn/sockets layer.
A new netconn API netconn_write_vectors_partly() takes a set of vectors
as input and hooks up to do_writemore()

This commit also defines IOV_MAX because we are limited to only
supporting 65535 vectors due to choice of u16_t for the vector count

2017-03-02 16:52:14 -06:00

..

api_lib.c

Vectorize netconn_write for TCP

2017-03-02 16:52:14 -06:00

api_msg.c

Vectorize netconn_write for TCP

2017-03-02 16:52:14 -06:00

err.c

Minor code layout cleanup in err.c and errno.h

2016-12-01 08:55:01 +01:00

if_api.c

Add errno support to if_indextoname()

2017-02-09 22:32:29 -06:00

netbuf.c

netbuf: Fixup a copule LWIP_ERROR messages

2016-08-31 12:23:12 +02:00

netdb.c

Fix a few build problems after merging IPv6 zones

2017-02-04 11:59:35 +01:00

netifapi.c

task #14314: include cleanups

2017-02-03 16:45:29 -06:00

sockets.c

Vectorize netconn_write for TCP

2017-03-02 16:52:14 -06:00

tcpip.c

Make lwIP compile with clang -Wdocumentation -> several documentation fixes

2016-10-09 12:21:39 +02:00