lwip/0050-lwip-add-need_tso_send.patch
kircher e8d6eecffc lwip add need_tso_send
(cherry picked from commit 5a6dfd2f1ff38fd6ae8a6574fd46f036e973b2c6)
2023-02-22 15:31:29 +08:00

77 lines
2.3 KiB
Diff

From ca773597e1e63ff2d6d0ebaee4332bcd4596f1e8 Mon Sep 17 00:00:00 2001
From: kircher <majun65@huawei.com>
Date: Tue, 21 Feb 2023 14:32:54 +0800
Subject: [PATCH] lwip add need_tso_send
---
src/api/api_msg.c | 1 +
src/core/tcp_out.c | 5 ++++-
src/include/lwip/tcp.h | 2 ++
3 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/api/api_msg.c b/src/api/api_msg.c
index 65b6309..4a2df95 100644
--- a/src/api/api_msg.c
+++ b/src/api/api_msg.c
@@ -1741,6 +1741,7 @@ lwip_netconn_do_writemore(struct netconn *conn WRITE_DELAYED_PARAM)
write_more = 0;
err = tcp_write(conn->pcb.tcp, conn->current_msg->msg.w.vector->ptr, len, apiflags);
conn->current_msg->msg.w.len = len;
+ conn->pcb.tcp->need_tso_send = 1;
#else
err = tcp_write(conn->pcb.tcp, dataptr, len, apiflags);
#endif
diff --git a/src/core/tcp_out.c b/src/core/tcp_out.c
index bf1ad42..9dee888 100644
--- a/src/core/tcp_out.c
+++ b/src/core/tcp_out.c
@@ -1473,7 +1473,7 @@ tcp_output(struct tcp_pcb *pcb)
u32_t send_len = 0;
#if USE_LIBOS
- if (get_eth_params_tx_ol() & DEV_TX_OFFLOAD_TCP_TSO) {
+ if ((get_eth_params_tx_ol() & DEV_TX_OFFLOAD_TCP_TSO) && pcb->need_tso_send) {
while(seg && send_len < 0xffff) {
/**
* 1) walk unsent queue, find all seg witch wait to send. chain buf in these segs.
@@ -1529,6 +1529,7 @@ tcp_output(struct tcp_pcb *pcb)
if (err != ERR_OK) {
if (pcb->unsent == NULL)
pcb->last_unsent = NULL;
+ pcb->need_tso_send = 0;
return err;
}
pcb->unsent = seg->next;
@@ -1552,6 +1553,7 @@ tcp_output(struct tcp_pcb *pcb)
pbuf_remove_header(new_seg.p, new_seg.p->tot_len - new_seg.len - TCPH_HDRLEN_BYTES(new_seg.tcphdr));
new_seg.p->tot_len = new_seg.p->len;
}
+ pcb->need_tso_send = 0;
} else
#endif
{
@@ -1647,6 +1649,7 @@ tcp_output(struct tcp_pcb *pcb)
#endif /* TCP_OVERSIZE */
output_done:
+ pcb->need_tso_send = 0;
if (pcb->unsent == NULL)
pcb->last_unsent = NULL;
tcp_clear_flags(pcb, TF_NAGLEMEMERR);
diff --git a/src/include/lwip/tcp.h b/src/include/lwip/tcp.h
index 312320b..c2018cb 100644
--- a/src/include/lwip/tcp.h
+++ b/src/include/lwip/tcp.h
@@ -417,6 +417,8 @@ struct tcp_pcb {
u8_t snd_scale;
u8_t rcv_scale;
#endif
+
+ u8_t need_tso_send;
};
#if TCP_PCB_HASH
--
2.33.0