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-rw-r--r--src/vcl/vcl_private.h5
-rw-r--r--src/vcl/vppcom.c98
-rw-r--r--src/vcl/vppcom.h3
-rw-r--r--src/vnet/session/application_interface.h16
-rw-r--r--src/vnet/session/session.c12
-rw-r--r--src/vnet/session/session.h2
-rw-r--r--src/vnet/session/session_node.c48
-rw-r--r--src/vnet/session/session_types.h53
-rw-r--r--src/vnet/session/transport.c11
-rw-r--r--src/vnet/session/transport.h7
-rw-r--r--src/vnet/session/transport_types.h36
-rw-r--r--src/vnet/tcp/tcp.c96
-rw-r--r--src/vnet/tcp/tcp.h1
-rw-r--r--src/vnet/tcp/tcp_input.c6
14 files changed, 350 insertions, 44 deletions
diff --git a/src/vcl/vcl_private.h b/src/vcl/vcl_private.h
index 1ac9691ad78..34e05f20f88 100644
--- a/src/vcl/vcl_private.h
+++ b/src/vcl/vcl_private.h
@@ -165,7 +165,6 @@ typedef struct vcl_session_
u32 sndbuf_size; // VPP-TBD: Hack until support setsockopt(SO_SNDBUF)
u32 rcvbuf_size; // VPP-TBD: Hack until support setsockopt(SO_RCVBUF)
- u32 user_mss; // VPP-TBD: Hack until support setsockopt(TCP_MAXSEG)
#if VCL_ELOG
elog_track_t elog_track;
@@ -292,6 +291,10 @@ typedef struct vcl_worker_
volatile vcl_bapi_app_state_t bapi_app_state;
volatile uword bapi_return;
+ u8 session_attr_op;
+ int session_attr_op_rv;
+ transport_endpt_attr_t session_attr_rv;
+
/** vcl needs next epoll_create to go to libc_epoll */
u8 vcl_needs_real_epoll;
volatile int rpc_done;
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index 3e4ba2fb953..ce678893167 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -360,6 +360,42 @@ done:
return ret;
}
+int
+vcl_session_transport_attr (vcl_worker_t *wrk, vcl_session_t *s, u8 is_get,
+ transport_endpt_attr_t *attr)
+{
+ app_session_evt_t _app_evt, *app_evt = &_app_evt;
+ session_transport_attr_msg_t *mp;
+ svm_msg_q_t *mq;
+ f64 timeout;
+
+ ASSERT (!wrk->session_attr_op);
+ wrk->session_attr_op = 1;
+ wrk->session_attr_op_rv = -1;
+
+ mq = s->vpp_evt_q;
+ app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_TRANSPORT_ATTR);
+ mp = (session_transport_attr_msg_t *) app_evt->evt->data;
+ memset (mp, 0, sizeof (*mp));
+ mp->client_index = wrk->api_client_handle;
+ mp->handle = s->vpp_handle;
+ mp->is_get = is_get;
+ mp->attr = *attr;
+ app_send_ctrl_evt_to_vpp (mq, app_evt);
+
+ timeout = clib_time_now (&wrk->clib_time) + 1;
+
+ while (wrk->session_attr_op && clib_time_now (&wrk->clib_time) < timeout)
+ vcl_flush_mq_events ();
+
+ if (!wrk->session_attr_op_rv && is_get)
+ *attr = wrk->session_attr_rv;
+
+ wrk->session_attr_op = 0;
+
+ return wrk->session_attr_op_rv;
+}
+
static u32
vcl_session_accepted_handler (vcl_worker_t * wrk, session_accepted_msg_t * mp,
u32 ls_index)
@@ -936,6 +972,21 @@ vcl_worker_rpc_handler (vcl_worker_t * wrk, void *data)
(vcm->wrk_rpc_fn) (((session_app_wrk_rpc_msg_t *) data)->data);
}
+static void
+vcl_session_transport_attr_reply_handler (vcl_worker_t *wrk, void *data)
+{
+ session_transport_attr_reply_msg_t *mp;
+
+ if (!wrk->session_attr_op)
+ return;
+
+ mp = (session_transport_attr_reply_msg_t *) data;
+
+ wrk->session_attr_op_rv = mp->retval;
+ wrk->session_attr_op = 0;
+ wrk->session_attr_rv = mp->attr;
+}
+
static int
vcl_handle_mq_event (vcl_worker_t * wrk, session_event_t * e)
{
@@ -1031,6 +1082,9 @@ vcl_handle_mq_event (vcl_worker_t * wrk, session_event_t * e)
case SESSION_CTRL_EVT_APP_WRK_RPC:
vcl_worker_rpc_handler (wrk, e->data);
break;
+ case SESSION_CTRL_EVT_TRANSPORT_ATTR_REPLY:
+ vcl_session_transport_attr_reply_handler (wrk, e->data);
+ break;
default:
clib_warning ("unhandled %u", e->event_type);
}
@@ -3061,6 +3115,7 @@ vppcom_session_attr (uint32_t session_handle, uint32_t op,
vcl_worker_t *wrk = vcl_worker_get_current ();
u32 *flags = buffer, tmp_flags = 0;
vppcom_endpt_t *ep = buffer;
+ transport_endpt_attr_t tea;
vcl_session_t *session;
int rv = VPPCOM_OK;
@@ -3559,30 +3614,41 @@ vppcom_session_attr (uint32_t session_handle, uint32_t op,
break;
case VPPCOM_ATTR_GET_TCP_USER_MSS:
- if (buffer && buflen && (*buflen >= sizeof (u32)))
+ if (!(buffer && buflen && (*buflen >= sizeof (u32))))
{
- /* VPP-TBD */
- *(u32 *) buffer = session->user_mss;
- *buflen = sizeof (int);
+ rv = VPPCOM_EINVAL;
+ break;
+ }
- VDBG (2, "VPPCOM_ATTR_GET_TCP_USER_MSS: %d, buflen %d, #VPP-TBD#",
- *(int *) buffer, *buflen);
+ tea.type = TRANSPORT_ENDPT_ATTR_MSS;
+ tea.mss = *(u32 *) buffer;
+ if (vcl_session_transport_attr (wrk, session, 1 /* is_get */, &tea))
+ rv = VPPCOM_ENOPROTOOPT;
+
+ if (!rv)
+ {
+ *(u32 *) buffer = tea.mss;
+ *buflen = sizeof (int);
}
- else
- rv = VPPCOM_EINVAL;
+
+ VDBG (2, "VPPCOM_ATTR_GET_TCP_USER_MSS: %d, buflen %d", *(int *) buffer,
+ *buflen);
break;
case VPPCOM_ATTR_SET_TCP_USER_MSS:
- if (buffer && buflen && (*buflen == sizeof (u32)))
+ if (!(buffer && buflen && (*buflen == sizeof (u32))))
{
- /* VPP-TBD */
- session->user_mss = *(u32 *) buffer;
-
- VDBG (2, "VPPCOM_ATTR_SET_TCP_USER_MSS: %u, buflen %d, #VPP-TBD#",
- session->user_mss, *buflen);
+ rv = VPPCOM_EINVAL;
+ break;
}
- else
- rv = VPPCOM_EINVAL;
+
+ tea.type = TRANSPORT_ENDPT_ATTR_MSS;
+ tea.mss = *(u32 *) buffer;
+ if (vcl_session_transport_attr (wrk, session, 0 /* is_get */, &tea))
+ rv = VPPCOM_ENOPROTOOPT;
+
+ VDBG (2, "VPPCOM_ATTR_SET_TCP_USER_MSS: %u, buflen %d", tea.mss,
+ *buflen);
break;
case VPPCOM_ATTR_SET_SHUT:
diff --git a/src/vcl/vppcom.h b/src/vcl/vppcom.h
index c808829802f..d956b5f93f7 100644
--- a/src/vcl/vppcom.h
+++ b/src/vcl/vppcom.h
@@ -96,7 +96,8 @@ typedef enum
VPPCOM_ENOTCONN = -ENOTCONN,
VPPCOM_ECONNREFUSED = -ECONNREFUSED,
VPPCOM_ETIMEDOUT = -ETIMEDOUT,
- VPPCOM_EEXIST = -EEXIST
+ VPPCOM_EEXIST = -EEXIST,
+ VPPCOM_ENOPROTOOPT = -ENOPROTOOPT
} vppcom_error_t;
typedef enum
diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
index 2683e356716..3f333af86b9 100644
--- a/src/vnet/session/application_interface.h
+++ b/src/vnet/session/application_interface.h
@@ -535,6 +535,22 @@ typedef struct session_app_wrk_rpc_msg_
u8 data[64]; /**< rpc data */
} __clib_packed session_app_wrk_rpc_msg_t;
+typedef struct session_transport_attr_msg_
+{
+ u32 client_index;
+ session_handle_t handle;
+ transport_endpt_attr_t attr;
+ u8 is_get;
+} __clib_packed session_transport_attr_msg_t;
+
+typedef struct session_transport_attr_reply_msg_
+{
+ i32 retval;
+ session_handle_t handle;
+ transport_endpt_attr_t attr;
+ u8 is_get;
+} __clib_packed session_transport_attr_reply_msg_t;
+
typedef struct app_session_event_
{
svm_msg_q_msg_t msg;
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c
index 7513aa32ed8..fd52f2bbc1c 100644
--- a/src/vnet/session/session.c
+++ b/src/vnet/session/session.c
@@ -1661,6 +1661,18 @@ session_get_endpoint (session_t * s, transport_endpoint_t * tep, u8 is_lcl)
s->connection_index, tep, is_lcl);
}
+int
+session_transport_attribute (session_t *s, u8 is_get,
+ transport_endpt_attr_t *attr)
+{
+ if (s->session_state < SESSION_STATE_READY)
+ return -1;
+
+ return transport_connection_attribute (session_get_transport_proto (s),
+ s->connection_index, s->thread_index,
+ is_get, attr);
+}
+
transport_connection_t *
listen_session_get_transport (session_t * s)
{
diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index a05ecb4905d..44cbaebf4ab 100644
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -477,6 +477,8 @@ void sesssion_reschedule_tx (transport_connection_t * tc);
transport_connection_t *session_get_transport (session_t * s);
void session_get_endpoint (session_t * s, transport_endpoint_t * tep,
u8 is_lcl);
+int session_transport_attribute (session_t *s, u8 is_get,
+ transport_endpt_attr_t *attr);
u8 *format_session (u8 * s, va_list * args);
uword unformat_session (unformat_input_t * input, va_list * args);
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index d40411cb547..22ab3e8c064 100644
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -520,6 +520,51 @@ session_mq_app_wrk_rpc_handler (void *data)
svm_msg_q_add_and_unlock (app_wrk->event_queue, msg);
}
+static void
+session_mq_transport_attr_handler (void *data)
+{
+ session_transport_attr_msg_t *mp = (session_transport_attr_msg_t *) data;
+ session_transport_attr_reply_msg_t *rmp;
+ svm_msg_q_msg_t _msg, *msg = &_msg;
+ app_worker_t *app_wrk;
+ session_event_t *evt;
+ application_t *app;
+ session_t *s;
+ int rv;
+
+ app = application_lookup (mp->client_index);
+ if (!app)
+ return;
+
+ if (!(s = session_get_from_handle_if_valid (mp->handle)))
+ {
+ clib_warning ("invalid handle %llu", mp->handle);
+ return;
+ }
+ app_wrk = app_worker_get (s->app_wrk_index);
+ if (app_wrk->app_index != app->app_index)
+ {
+ clib_warning ("app %u does not own session %llu", app->app_index,
+ mp->handle);
+ return;
+ }
+
+ rv = session_transport_attribute (s, mp->is_get, &mp->attr);
+
+ svm_msg_q_lock_and_alloc_msg_w_ring (
+ app_wrk->event_queue, SESSION_MQ_CTRL_EVT_RING, SVM_Q_WAIT, msg);
+ evt = svm_msg_q_msg_data (app_wrk->event_queue, msg);
+ clib_memset (evt, 0, sizeof (*evt));
+ evt->event_type = SESSION_CTRL_EVT_TRANSPORT_ATTR_REPLY;
+ rmp = (session_transport_attr_reply_msg_t *) evt->data;
+ rmp->handle = mp->handle;
+ rmp->retval = rv;
+ rmp->is_get = mp->is_get;
+ if (!rv && mp->is_get)
+ rmp->attr = mp->attr;
+ svm_msg_q_add_and_unlock (app_wrk->event_queue, msg);
+}
+
vlib_node_registration_t session_queue_node;
typedef struct
@@ -1277,6 +1322,9 @@ session_event_dispatch_ctrl (session_worker_t * wrk, session_evt_elt_t * elt)
case SESSION_CTRL_EVT_APP_WRK_RPC:
session_mq_app_wrk_rpc_handler (session_evt_ctrl_data (wrk, elt));
break;
+ case SESSION_CTRL_EVT_TRANSPORT_ATTR:
+ session_mq_transport_attr_handler (session_evt_ctrl_data (wrk, elt));
+ break;
default:
clib_warning ("unhandled event type %d", e->event_type);
}
diff --git a/src/vnet/session/session_types.h b/src/vnet/session/session_types.h
index 32cb9530bd9..3a026a1a869 100644
--- a/src/vnet/session/session_types.h
+++ b/src/vnet/session/session_types.h
@@ -360,33 +360,36 @@ typedef enum
SESSION_CTRL_EVT_MIGRATED,
SESSION_CTRL_EVT_CLEANUP,
SESSION_CTRL_EVT_APP_WRK_RPC,
+ SESSION_CTRL_EVT_TRANSPORT_ATTR,
+ SESSION_CTRL_EVT_TRANSPORT_ATTR_REPLY,
} session_evt_type_t;
-#define foreach_session_ctrl_evt \
- _(LISTEN, listen) \
- _(LISTEN_URI, listen_uri) \
- _(BOUND, bound) \
- _(UNLISTEN, unlisten) \
- _(UNLISTEN_REPLY, unlisten_reply) \
- _(ACCEPTED, accepted) \
- _(ACCEPTED_REPLY, accepted_reply) \
- _(CONNECT, connect) \
- _(CONNECT_URI, connect_uri) \
- _(CONNECTED, connected) \
- _(DISCONNECT, disconnect) \
- _(DISCONNECTED, disconnected) \
- _(DISCONNECTED_REPLY, disconnected_reply) \
- _(RESET_REPLY, reset_reply) \
- _(REQ_WORKER_UPDATE, req_worker_update) \
- _(WORKER_UPDATE, worker_update) \
- _(WORKER_UPDATE_REPLY, worker_update_reply) \
- _(APP_DETACH, app_detach) \
- _(APP_ADD_SEGMENT, app_add_segment) \
- _(APP_DEL_SEGMENT, app_del_segment) \
- _(MIGRATED, migrated) \
- _(CLEANUP, cleanup) \
- _(APP_WRK_RPC, app_wrk_rpc) \
-
+#define foreach_session_ctrl_evt \
+ _ (LISTEN, listen) \
+ _ (LISTEN_URI, listen_uri) \
+ _ (BOUND, bound) \
+ _ (UNLISTEN, unlisten) \
+ _ (UNLISTEN_REPLY, unlisten_reply) \
+ _ (ACCEPTED, accepted) \
+ _ (ACCEPTED_REPLY, accepted_reply) \
+ _ (CONNECT, connect) \
+ _ (CONNECT_URI, connect_uri) \
+ _ (CONNECTED, connected) \
+ _ (DISCONNECT, disconnect) \
+ _ (DISCONNECTED, disconnected) \
+ _ (DISCONNECTED_REPLY, disconnected_reply) \
+ _ (RESET_REPLY, reset_reply) \
+ _ (REQ_WORKER_UPDATE, req_worker_update) \
+ _ (WORKER_UPDATE, worker_update) \
+ _ (WORKER_UPDATE_REPLY, worker_update_reply) \
+ _ (APP_DETACH, app_detach) \
+ _ (APP_ADD_SEGMENT, app_add_segment) \
+ _ (APP_DEL_SEGMENT, app_del_segment) \
+ _ (MIGRATED, migrated) \
+ _ (CLEANUP, cleanup) \
+ _ (APP_WRK_RPC, app_wrk_rpc) \
+ _ (TRANSPORT_ATTR, transport_attr) \
+ _ (TRANSPORT_ATTR_REPLY, transport_attr_reply) \
/* Deprecated and will be removed. Use types above */
#define FIFO_EVENT_APP_RX SESSION_IO_EVT_RX
#define FIFO_EVENT_APP_TX SESSION_IO_EVT_TX
diff --git a/src/vnet/session/transport.c b/src/vnet/session/transport.c
index 4f6ac8b1c48..a420dcdee93 100644
--- a/src/vnet/session/transport.c
+++ b/src/vnet/session/transport.c
@@ -399,6 +399,17 @@ transport_get_listener_endpoint (transport_proto_t tp, u32 conn_index,
}
}
+int
+transport_connection_attribute (transport_proto_t tp, u32 conn_index,
+ u8 thread_index, u8 is_get,
+ transport_endpt_attr_t *attr)
+{
+ if (!tp_vfts[tp].attribute)
+ return -1;
+
+ return tp_vfts[tp].attribute (conn_index, thread_index, is_get, attr);
+}
+
#define PORT_MASK ((1 << 16)- 1)
void
diff --git a/src/vnet/session/transport.h b/src/vnet/session/transport.h
index efd2507ed4c..67583d23be0 100644
--- a/src/vnet/session/transport.h
+++ b/src/vnet/session/transport.h
@@ -107,13 +107,15 @@ typedef struct _transport_proto_vft
u8 *(*format_half_open) (u8 * s, va_list * args);
/*
- * Properties retrieval
+ * Properties retrieval/setting
*/
void (*get_transport_endpoint) (u32 conn_index, u32 thread_index,
transport_endpoint_t *tep, u8 is_lcl);
void (*get_transport_listener_endpoint) (u32 conn_index,
transport_endpoint_t *tep,
u8 is_lcl);
+ int (*attribute) (u32 conn_index, u32 thread_index, u8 is_get,
+ transport_endpt_attr_t *attr);
/*
* Properties
@@ -145,6 +147,9 @@ void transport_get_endpoint (transport_proto_t tp, u32 conn_index,
u8 is_lcl);
void transport_get_listener_endpoint (transport_proto_t tp, u32 conn_index,
transport_endpoint_t * tep, u8 is_lcl);
+int transport_connection_attribute (transport_proto_t tp, u32 conn_index,
+ u8 thread_index, u8 is_get,
+ transport_endpt_attr_t *attr);
static inline transport_connection_t *
transport_get_connection (transport_proto_t tp, u32 conn_index,
diff --git a/src/vnet/session/transport_types.h b/src/vnet/session/transport_types.h
index 1e7d5672f1c..f0fc285510f 100644
--- a/src/vnet/session/transport_types.h
+++ b/src/vnet/session/transport_types.h
@@ -215,6 +215,42 @@ typedef struct transport_endpoint_pair_
#undef _
} transport_endpoint_cfg_t;
+#define foreach_transport_endpt_cfg_flags \
+ _ (CSUM_OFFLOAD) \
+ _ (GSO) \
+ _ (RATE_SAMPLING)
+
+typedef enum transport_endpt_attr_flag_
+{
+#define _(name) TRANSPORT_ENDPT_ATTR_F_##name,
+ foreach_transport_endpt_cfg_flags
+#undef _
+} __clib_packed transport_endpt_attr_flag_t;
+
+#define foreach_transport_attr_fields \
+ _ (u64, next_output_node, NEXT_OUTPUT_NODE) \
+ _ (u16, mss, MSS) \
+ _ (u8, flags, FLAGS) \
+ _ (u8, cc_algo, CC_ALGO)
+
+typedef enum transport_endpt_attr_type_
+{
+#define _(type, name, str) TRANSPORT_ENDPT_ATTR_##str,
+ foreach_transport_attr_fields
+#undef _
+} __clib_packed transport_endpt_attr_type_t;
+
+typedef struct transport_endpt_attr_
+{
+ transport_endpt_attr_type_t type;
+ union
+ {
+#define _(type, name, str) type name;
+ foreach_transport_attr_fields
+#undef _
+ };
+} transport_endpt_attr_t;
+
typedef clib_bihash_24_8_t transport_endpoint_table_t;
#define ENDPOINT_INVALID_INDEX ((u32)~0)
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c
index 2d384a65cfc..7f1e63e7b84 100644
--- a/src/vnet/tcp/tcp.c
+++ b/src/vnet/tcp/tcp.c
@@ -873,6 +873,101 @@ tcp_half_open_session_get_transport (u32 conn_index)
return &tc->connection;
}
+static int
+tcp_set_attribute (tcp_connection_t *tc, transport_endpt_attr_t *attr)
+{
+ int rv = 0;
+
+ switch (attr->type)
+ {
+ case TRANSPORT_ENDPT_ATTR_NEXT_OUTPUT_NODE:
+ tc->next_node_index = attr->next_output_node & 0xffffffff;
+ tc->next_node_opaque = attr->next_output_node >> 32;
+ break;
+ case TRANSPORT_ENDPT_ATTR_MSS:
+ tc->mss = attr->mss;
+ tc->snd_mss = clib_min (tc->snd_mss, tc->mss);
+ break;
+ case TRANSPORT_ENDPT_ATTR_FLAGS:
+ if (attr->flags & TRANSPORT_ENDPT_ATTR_F_CSUM_OFFLOAD)
+ tc->cfg_flags |= TCP_CFG_F_NO_CSUM_OFFLOAD;
+ else
+ tc->cfg_flags &= ~TCP_CFG_F_NO_CSUM_OFFLOAD;
+ if (attr->flags & TRANSPORT_ENDPT_ATTR_F_GSO)
+ {
+ if (!(tc->cfg_flags & TCP_CFG_F_TSO))
+ tcp_check_gso (tc);
+ tc->cfg_flags &= ~TCP_CFG_F_NO_TSO;
+ }
+ else
+ {
+ tc->cfg_flags |= TCP_CFG_F_NO_TSO;
+ tc->cfg_flags &= ~TCP_CFG_F_TSO;
+ }
+ break;
+ case TRANSPORT_ENDPT_ATTR_CC_ALGO:
+ if (tc->cc_algo == tcp_cc_algo_get (attr->cc_algo))
+ break;
+ tcp_cc_cleanup (tc);
+ tc->cc_algo = tcp_cc_algo_get (attr->cc_algo);
+ tcp_cc_init (tc);
+ break;
+ default:
+ rv = -1;
+ break;
+ }
+
+ return rv;
+}
+
+static int
+tcp_get_attribute (tcp_connection_t *tc, transport_endpt_attr_t *attr)
+{
+ int rv = 0;
+ u64 non;
+
+ switch (attr->type)
+ {
+ case TRANSPORT_ENDPT_ATTR_NEXT_OUTPUT_NODE:
+ non = (u64) tc->next_node_opaque << 32 | tc->next_node_index;
+ attr->next_output_node = non;
+ break;
+ case TRANSPORT_ENDPT_ATTR_MSS:
+ attr->mss = tc->snd_mss;
+ break;
+ case TRANSPORT_ENDPT_ATTR_FLAGS:
+ attr->flags = 0;
+ if (!(tc->cfg_flags & TCP_CFG_F_NO_CSUM_OFFLOAD))
+ attr->flags |= TRANSPORT_ENDPT_ATTR_F_CSUM_OFFLOAD;
+ if (tc->cfg_flags & TCP_CFG_F_TSO)
+ attr->flags |= TRANSPORT_ENDPT_ATTR_F_GSO;
+ break;
+ case TRANSPORT_ENDPT_ATTR_CC_ALGO:
+ attr->cc_algo = tc->cc_algo - tcp_main.cc_algos;
+ break;
+ default:
+ rv = -1;
+ break;
+ }
+
+ return rv;
+}
+
+static int
+tcp_session_attribute (u32 conn_index, u32 thread_index, u8 is_get,
+ transport_endpt_attr_t *attr)
+{
+ tcp_connection_t *tc = tcp_connection_get (conn_index, thread_index);
+
+ if (PREDICT_FALSE (!tc))
+ return -1;
+
+ if (is_get)
+ return tcp_get_attribute (tc, attr);
+ else
+ return tcp_set_attribute (tc, attr);
+}
+
static u16
tcp_session_cal_goal_size (tcp_connection_t * tc)
{
@@ -1172,6 +1267,7 @@ const static transport_proto_vft_t tcp_proto = {
.get_connection = tcp_session_get_transport,
.get_listener = tcp_session_get_listener,
.get_half_open = tcp_half_open_session_get_transport,
+ .attribute = tcp_session_attribute,
.connect = tcp_session_open,
.close = tcp_session_close,
.cleanup = tcp_session_cleanup,
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index 418bc476cb9..23b61313568 100644
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -336,6 +336,7 @@ void tcp_connection_tx_pacer_update (tcp_connection_t * tc);
void tcp_connection_tx_pacer_reset (tcp_connection_t * tc, u32 window,
u32 start_bucket);
void tcp_program_cleanup (tcp_worker_ctx_t * wrk, tcp_connection_t * tc);
+void tcp_check_gso (tcp_connection_t *tc);
void tcp_punt_unknown (vlib_main_t * vm, u8 is_ip4, u8 is_add);
int tcp_configure_v4_source_address_range (vlib_main_t * vm,
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index b64c236bd47..398bf1b76a7 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -3050,6 +3050,12 @@ VLIB_REGISTER_NODE (tcp6_input_node) =
/* *INDENT-ON* */
#ifndef CLIB_MARCH_VARIANT
+void
+tcp_check_gso (tcp_connection_t *tc)
+{
+ tcp_check_tx_offload (tc, tc->c_is_ip4);
+}
+
static void
tcp_dispatch_table_init (tcp_main_t * tm)
{