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vcl: support connected udp listens

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Request connected udp listener behavior by setting
VPPCOM_ATTR_SET_CONNECTED attribute with vppcom_session_attr

Type: feature

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Iba95155c0f41cea8c6e1a4263946270d49c213ac
(cherry picked from commit 1e96617d952e2d5d8cc367a226702f8f825ed039)
This commit is contained in:
Florin Coras
2020-05-16 18:18:14 +00:00
committed by Florin Coras
parent 53b5233057
commit 7037fde018
4 changed files with 10 additions and 0 deletions
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7
src/vcl/vppcom.c
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@ -209,6 +209,8 @@ vcl_send_session_listen (vcl_worker_t * wrk, vcl_session_t * s)
clib_memcpy_fast (&mp->ip, &s->transport.lcl_ip, sizeof (mp->ip));
mp->port = s->transport.lcl_port;
mp->proto = s->session_type;
if (s->flags & VCL_SESSION_F_CONNECTED)
mp->flags = TRANSPORT_CFG_F_CONNECTED;
app_send_ctrl_evt_to_vpp (mq, app_evt);
}
@ -3597,6 +3599,11 @@ vppcom_session_attr (uint32_t session_handle, uint32_t op,
*(int *) buffer = SHUT_RDWR;
*buflen = sizeof (int);
break;
case VPPCOM_ATTR_SET_CONNECTED:
session->flags |= VCL_SESSION_F_CONNECTED;
break;
default:
rv = VPPCOM_EINVAL;
break;

1
src/vcl/vppcom.h
View File

@ -160,6 +160,7 @@ typedef enum
VPPCOM_ATTR_SET_TCP_USER_MSS,
VPPCOM_ATTR_SET_SHUT,
VPPCOM_ATTR_GET_SHUT,
VPPCOM_ATTR_SET_CONNECTED,
} vppcom_attr_op_t;
typedef struct _vcl_poll

1
src/vnet/session/application_interface.h
View File

@ -315,6 +315,7 @@ typedef struct session_listen_msg_
ip46_address_t ip;
u32 ckpair_index;
u8 crypto_engine;
u8 flags;
} __clib_packed session_listen_msg_t;
STATIC_ASSERT (sizeof (session_listen_msg_t) <= SESSION_CTRL_MSG_MAX_SIZE,

1
src/vnet/session/session_node.c
View File

@ -60,6 +60,7 @@ session_mq_listen_handler (void *data)
a->sep_ext.crypto_engine = mp->crypto_engine;
a->app_index = app->app_index;
a->wrk_map_index = mp->wrk_index;
a->sep_ext.transport_flags = mp->flags;
if ((rv = vnet_listen (a)))
clib_warning ("listen returned: %d", rv);