Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)  * llc_s_ac.c - actions performed during sap state transition.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Description :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *   Functions in this module are implementation of sap component actions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *   Details of actions can be found in IEEE-802.2 standard document.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *   All functions have one sap and one event as input argument. All of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *   them return 0 On success and 1 otherwise.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * Copyright (c) 1997 by Procom Technology, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *		 2001-2003 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  * This program can be redistributed or modified under the terms of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  * GNU General Public License as published by the Free Software Foundation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * This program is distributed without any warranty or implied warranty
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  * of merchantability or fitness for a particular purpose.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  * See the GNU General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <net/llc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <net/llc_pdu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <net/llc_s_ac.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <net/llc_s_ev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include <net/llc_sap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30)  *	llc_sap_action_unit_data_ind - forward UI PDU to network layer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31)  *	@sap: SAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  *	@skb: the event to forward
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34)  *	Received a UI PDU from MAC layer; forward to network layer as a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)  *	UNITDATA INDICATION; verify our event is the kind we expect
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) int llc_sap_action_unitdata_ind(struct llc_sap *sap, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	llc_sap_rtn_pdu(sap, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44)  *	llc_sap_action_send_ui - sends UI PDU resp to UNITDATA REQ to MAC layer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45)  *	@sap: SAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46)  *	@skb: the event to send
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48)  *	Sends a UI PDU to the MAC layer in response to a UNITDATA REQUEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49)  *	primitive from the network layer. Verifies event is a primitive type of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50)  *	event. Verify the primitive is a UNITDATA REQUEST.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) int llc_sap_action_send_ui(struct llc_sap *sap, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	struct llc_sap_state_ev *ev = llc_sap_ev(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	llc_pdu_header_init(skb, LLC_PDU_TYPE_U, ev->saddr.lsap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 			    ev->daddr.lsap, LLC_PDU_CMD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	llc_pdu_init_as_ui_cmd(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	if (likely(!rc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		skb_get(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		rc = dev_queue_xmit(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69)  *	llc_sap_action_send_xid_c - send XID PDU as response to XID REQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70)  *	@sap: SAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71)  *	@skb: the event to send
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73)  *	Send a XID command PDU to MAC layer in response to a XID REQUEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74)  *	primitive from the network layer. Verify event is a primitive type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75)  *	event. Verify the primitive is a XID REQUEST.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) int llc_sap_action_send_xid_c(struct llc_sap *sap, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	struct llc_sap_state_ev *ev = llc_sap_ev(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	llc_pdu_header_init(skb, LLC_PDU_TYPE_U_XID, ev->saddr.lsap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 			    ev->daddr.lsap, LLC_PDU_CMD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	llc_pdu_init_as_xid_cmd(skb, LLC_XID_NULL_CLASS_2, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	if (likely(!rc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		skb_get(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		rc = dev_queue_xmit(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94)  *	llc_sap_action_send_xid_r - send XID PDU resp to MAC for received XID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95)  *	@sap: SAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96)  *	@skb: the event to send
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98)  *	Send XID response PDU to MAC in response to an earlier received XID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99)  *	command PDU. Verify event is a PDU type event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) int llc_sap_action_send_xid_r(struct llc_sap *sap, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	u8 mac_da[ETH_ALEN], mac_sa[ETH_ALEN], dsap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	int rc = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	struct sk_buff *nskb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	llc_pdu_decode_sa(skb, mac_da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	llc_pdu_decode_da(skb, mac_sa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	llc_pdu_decode_ssap(skb, &dsap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	nskb = llc_alloc_frame(NULL, skb->dev, LLC_PDU_TYPE_U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 			       sizeof(struct llc_xid_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	if (!nskb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, dsap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 			    LLC_PDU_RSP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	llc_pdu_init_as_xid_rsp(nskb, LLC_XID_NULL_CLASS_2, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	rc = llc_mac_hdr_init(nskb, mac_sa, mac_da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	if (likely(!rc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		rc = dev_queue_xmit(nskb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)  *	llc_sap_action_send_test_c - send TEST PDU to MAC in resp to TEST REQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)  *	@sap: SAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)  *	@skb: the event to send
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)  *	Send a TEST command PDU to the MAC layer in response to a TEST REQUEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)  *	primitive from the network layer. Verify event is a primitive type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)  *	event; verify the primitive is a TEST REQUEST.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) int llc_sap_action_send_test_c(struct llc_sap *sap, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	struct llc_sap_state_ev *ev = llc_sap_ev(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	llc_pdu_header_init(skb, LLC_PDU_TYPE_U, ev->saddr.lsap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 			    ev->daddr.lsap, LLC_PDU_CMD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	llc_pdu_init_as_test_cmd(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	if (likely(!rc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 		skb_get(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 		rc = dev_queue_xmit(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) int llc_sap_action_send_test_r(struct llc_sap *sap, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	u8 mac_da[ETH_ALEN], mac_sa[ETH_ALEN], dsap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	struct sk_buff *nskb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	int rc = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	u32 data_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	llc_pdu_decode_sa(skb, mac_da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	llc_pdu_decode_da(skb, mac_sa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	llc_pdu_decode_ssap(skb, &dsap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	/* The test request command is type U (llc_len = 3) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	data_size = ntohs(eth_hdr(skb)->h_proto) - 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	nskb = llc_alloc_frame(NULL, skb->dev, LLC_PDU_TYPE_U, data_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	if (!nskb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, dsap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 			    LLC_PDU_RSP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	llc_pdu_init_as_test_rsp(nskb, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	rc = llc_mac_hdr_init(nskb, mac_sa, mac_da);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	if (likely(!rc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		rc = dev_queue_xmit(nskb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)  *	llc_sap_action_report_status - report data link status to layer mgmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)  *	@sap: SAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)  *	@skb: the event to send
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)  *	Report data link status to layer management. Verify our event is the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)  *	kind we expect.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) int llc_sap_action_report_status(struct llc_sap *sap, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)  *	llc_sap_action_xid_ind - send XID PDU resp to net layer via XID IND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)  *	@sap: SAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)  *	@skb: the event to send
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)  *	Send a XID response PDU to the network layer via a XID INDICATION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)  *	primitive.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) int llc_sap_action_xid_ind(struct llc_sap *sap, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	llc_sap_rtn_pdu(sap, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)  *	llc_sap_action_test_ind - send TEST PDU to net layer via TEST IND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)  *	@sap: SAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)  *	@skb: the event to send
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)  *	Send a TEST response PDU to the network layer via a TEST INDICATION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)  *	primitive. Verify our event is a PDU type event.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) int llc_sap_action_test_ind(struct llc_sap *sap, struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	llc_sap_rtn_pdu(sap, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }