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session: accept lcl ip updates on cl sessions

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Allow apps/vcl to provide updated local ips for dgrams. In particular,
allow sessions bound to 0/0 to send data with valid local ips.

Type: improvement

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I50a086b1c252731a32a15b6a181ad3dba0c687e0
This commit is contained in:
Florin Coras
2023-02-08 09:47:54 -08:00
parent 9db6db065a
commit 7a6532bb9f
1 changed files with 2 additions and 0 deletions
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2
src/vnet/session/session_node.c
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@ -1101,6 +1101,8 @@ session_tx_fill_buffer (session_worker_t *wrk, session_tx_context_t *ctx,
if (transport_connection_is_cless (ctx->tc))
{
ip_copy (&ctx->tc->rmt_ip, &hdr->rmt_ip, ctx->tc->is_ip4);
ip_copy (&ctx->tc->lcl_ip, &hdr->lcl_ip, ctx->tc->is_ip4);
/* Local port assumed to be bound, not overwriting it */
ctx->tc->rmt_port = hdr->rmt_port;
}
hdr->data_offset += n_bytes_read;