39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
From 1e4e2fe5d7239da26edf89f554f929c10e0d5573 Mon Sep 17 00:00:00 2001
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From: yangchen <yangchen145@huawei.com>
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Date: Wed, 6 Mar 2024 18:25:19 +0800
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Subject: [PATCH] support udp pkglen > mtu: modify netbuf_alloc size
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---
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src/api/sockets.c | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/src/api/sockets.c b/src/api/sockets.c
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index 923518c..66f6e2c 100644
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--- a/src/api/sockets.c
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+++ b/src/api/sockets.c
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@@ -1891,7 +1891,13 @@ lwip_sendto(int s, const void *data, size_t size, int flags,
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/* make the buffer point to the data that should be sent */
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#if LWIP_NETIF_TX_SINGLE_PBUF
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/* Allocate a new netbuf and copy the data into it. */
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+#if GAZELLE_ENABLE
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+ /* In the gazelle scenario, only use buf.p->payload and buf.p->tot_len, and
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+ buf.p->payload stores the sock pointer info. Don't need to alloc short_size */
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+ if (netbuf_alloc(&buf, 0) == NULL) {
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+#else
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if (netbuf_alloc(&buf, short_size) == NULL) {
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+#endif
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err = ERR_MEM;
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} else {
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#if LWIP_CHECKSUM_ON_COPY
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@@ -1905,6 +1911,7 @@ lwip_sendto(int s, const void *data, size_t size, int flags,
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/* In the gazelle scenario, the payload is stored in send_ring,
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and the payload stores the sock pointer information. */
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buf.p->payload = (void *)sock;
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+ buf.p->tot_len = short_size;
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#else
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MEMCPY(buf.p->payload, data, short_size);
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#endif
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--
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2.33.0
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