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task #7013 (Create option to have all packets delivered to netif->output in one piece): Always copy to try to create single pbufs in tcp_write.

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goldsimon 2010-03-06 11:55:00 +00:00
parent f5b783d107
commit 92beddd72f
2 changed files with 10 additions and 0 deletions
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5
CHANGELOG
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@ -13,6 +13,11 @@ HISTORY
++ New features:
2010-03-06: Simon Goldschmidt
* tcp_out.c: task #7013 (Create option to have all packets delivered to
netif->output in one piece): Always copy to try to create single pbufs
in tcp_write.
2010-03-06: Simon Goldschmidt
* api.h, api_lib.c, sockets.c: task #10167 (sockets: speed up TCP recv
by not allocating a netbuf): added function netconn_recv_tcp_pbuf()

5
src/core/tcp_out.c
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@ -241,6 +241,11 @@ tcp_write(struct tcp_pcb *pcb, const void *arg, u16_t len, u8_t apiflags)
u16_t oversize_used = 0;
#endif /* TCP_OVERSIZE */
#if LWIP_NETIF_TX_SINGLE_PBUF
/* Always copy to try to create single pbufs for TX */
apiflags |= TCP_WRITE_FLAG_COPY;
#endif /* LWIP_NETIF_TX_SINGLE_PBUF */
LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_write(pcb=%p, data=%p, len=%"U16_F", apiflags=%"U16_F")\n",
(void *)pcb, arg, len, (u16_t)apiflags));
/* connection is in invalid state for data transmission? */