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Searched full:pdu (Results 1 – 25 of 171) sorted by relevance

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/linux/net/llc/
H A Dllc_pdu.c2 * llc_pdu.c - access to PDU internals
19 static u8 llc_pdu_get_pf_bit(struct llc_pdu_sn *pdu);
31 * This function sets poll/final bit in LLC header (based on type of PDU).
38 struct llc_pdu_sn *pdu; in llc_pdu_set_pf_bit() local
41 pdu = llc_pdu_sn_hdr(skb); in llc_pdu_set_pf_bit()
46 pdu->ctrl_2 = (pdu->ctrl_2 & 0xFE) | bit_value; in llc_pdu_set_pf_bit()
49 pdu->ctrl_1 |= (pdu->ctrl_1 & 0xEF) | (bit_value << 4); in llc_pdu_set_pf_bit()
60 * PDU). In I or S pdus, p/f bit is right bit of fourth byte in header. In
66 struct llc_pdu_sn *pdu; in llc_pdu_decode_pf_bit() local
69 pdu = llc_pdu_sn_hdr(skb); in llc_pdu_decode_pf_bit()
[all …]
H A Dllc_c_ev.c52 * @ns: sequence number of received pdu.
56 * Checks if sequence number of received PDU is in range of receive
68 * @nr: N(R) of received PDU.
70 * This routine checks if N(R) of received PDU is in range of transmit
71 * window; on the other hand checks if received PDU acknowledges some
79 struct llc_pdu_sn *pdu; in llc_util_nr_inside_tx_window() local
89 pdu = llc_pdu_sn_hdr(skb); in llc_util_nr_inside_tx_window()
90 nr1 = LLC_I_GET_NS(pdu); in llc_util_nr_inside_tx_window()
92 pdu = llc_pdu_sn_hdr(skb); in llc_util_nr_inside_tx_window()
93 nr2 = LLC_I_GET_NS(pdu); in llc_util_nr_inside_tx_window()
[all …]
H A Dllc_s_ev.c34 struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); in llc_sap_ev_rx_ui() local
36 return ev->type == LLC_SAP_EV_TYPE_PDU && LLC_PDU_IS_CMD(pdu) && in llc_sap_ev_rx_ui()
37 LLC_PDU_TYPE_IS_U(pdu) && in llc_sap_ev_rx_ui()
38 LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_UI ? 0 : 1; in llc_sap_ev_rx_ui()
63 struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); in llc_sap_ev_rx_xid_c() local
65 return ev->type == LLC_SAP_EV_TYPE_PDU && LLC_PDU_IS_CMD(pdu) && in llc_sap_ev_rx_xid_c()
66 LLC_PDU_TYPE_IS_U(pdu) && in llc_sap_ev_rx_xid_c()
67 LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_XID ? 0 : 1; in llc_sap_ev_rx_xid_c()
73 struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); in llc_sap_ev_rx_xid_r() local
75 return ev->type == LLC_SAP_EV_TYPE_PDU && LLC_PDU_IS_RSP(pdu) && in llc_sap_ev_rx_xid_r()
[all …]
H A Dllc_station.c30 struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); in llc_stat_ev_rx_null_dsap_xid_c() local
32 return LLC_PDU_IS_CMD(pdu) && /* command PDU */ in llc_stat_ev_rx_null_dsap_xid_c()
33 LLC_PDU_TYPE_IS_U(pdu) && /* U type PDU */ in llc_stat_ev_rx_null_dsap_xid_c()
34 LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_XID && in llc_stat_ev_rx_null_dsap_xid_c()
35 !pdu->dsap; /* NULL DSAP value */ in llc_stat_ev_rx_null_dsap_xid_c()
40 struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); in llc_stat_ev_rx_null_dsap_test_c() local
42 return LLC_PDU_IS_CMD(pdu) && /* command PDU */ in llc_stat_ev_rx_null_dsap_test_c()
43 LLC_PDU_TYPE_IS_U(pdu) && /* U type PDU */ in llc_stat_ev_rx_null_dsap_test_c()
44 LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_TEST && in llc_stat_ev_rx_null_dsap_test_c()
45 !pdu->dsap; /* NULL DSAP */ in llc_stat_ev_rx_null_dsap_test_c()
[all …]
H A Dllc_input.c70 * llc_pdu_type - returns which LLC component must handle for PDU
73 * This function returns which LLC component must handle this PDU.
77 int type = LLC_DEST_CONN; /* I-PDU or S-PDU type */ in llc_pdu_type()
78 struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); in llc_pdu_type() local
80 if ((pdu->ctrl_1 & LLC_PDU_TYPE_MASK) != LLC_PDU_TYPE_U) in llc_pdu_type()
82 switch (LLC_U_PDU_CMD(pdu)) { in llc_pdu_type()
114 struct llc_pdu_un *pdu; in llc_fixup_skb() local
116 if (unlikely(!pskb_may_pull(skb, sizeof(*pdu)))) in llc_fixup_skb()
119 pdu = (struct llc_pdu_un *)skb->data; in llc_fixup_skb()
120 if ((pdu->ctrl_1 & LLC_PDU_TYPE_MASK) == LLC_PDU_TYPE_U) in llc_fixup_skb()
[all …]
H A Dllc_s_ac.c30 * llc_sap_action_unitdata_ind - forward UI PDU to network layer
34 * Received a UI PDU from MAC layer; forward to network layer as a
64 * llc_sap_action_send_ui - sends UI PDU resp to UNITDATA REQ to MAC layer
68 * Sends a UI PDU to the MAC layer in response to a UNITDATA REQUEST
84 * llc_sap_action_send_xid_c - send XID PDU as response to XID REQ
88 * Send a XID command PDU to MAC layer in response to a XID REQUEST
104 * llc_sap_action_send_xid_r - send XID PDU resp to MAC for received XID
108 * Send XID response PDU to MAC in response to an earlier received XID
109 * command PDU. Verify event is a PDU type event
135 * llc_sap_action_send_test_c - send TEST PDU to MAC in resp to TEST REQ
[all …]
H A Dllc_c_ac.c51 struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); in llc_conn_ac_clear_remote_busy() local
55 nr = LLC_I_GET_NR(pdu); in llc_conn_ac_clear_remote_busy()
98 struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); in llc_conn_ac_disc_ind() local
100 if (LLC_PDU_IS_RSP(pdu) && in llc_conn_ac_disc_ind()
101 LLC_PDU_TYPE_IS_U(pdu) && in llc_conn_ac_disc_ind()
102 LLC_U_PDU_RSP(pdu) == LLC_2_PDU_RSP_DM) in llc_conn_ac_disc_ind()
104 else if (LLC_PDU_IS_CMD(pdu) && in llc_conn_ac_disc_ind()
105 LLC_PDU_TYPE_IS_U(pdu) && in llc_conn_ac_disc_ind()
106 LLC_U_PDU_CMD(pdu) == LLC_2_PDU_CMD_DISC) in llc_conn_ac_disc_ind()
133 struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); in llc_conn_ac_rst_ind() local
[all …]
/linux/include/net/
H A Dllc_pdu.h37 #define LLC_PDU_IS_GROUP_DSAP(pdu) \ argument
38 ((pdu->dsap & LLC_PDU_GROUP_DSAP_MASK) ? 0 : 1)
39 #define LLC_PDU_IS_INDIV_DSAP(pdu) \ argument
40 (!(pdu->dsap & LLC_PDU_GROUP_DSAP_MASK) ? 0 : 1)
42 /* Command/response PDU indicator in SSAP field */
46 #define LLC_PDU_IS_CMD(pdu) ((pdu->ssap & LLC_PDU_RSP) ? 0 : 1) argument
47 #define LLC_PDU_IS_RSP(pdu) ((pdu->ssap & LLC_PDU_RSP) ? 1 : 0) argument
49 /* Get PDU type from 2 lowest-order bits of control field first byte */
60 #define LLC_PDU_TYPE_IS_I(pdu) \ argument
61 ((!(pdu->ctrl_1 & LLC_PDU_TYPE_I_MASK)) ? 1 : 0)
[all …]
/linux/net/ipv4/netfilter/
H A Dnf_nat_snmp_basic.asn117 pdu
96 GetRequest-PDU,
99 GetNextRequest-PDU,
102 GetBulkRequest-PDU,
105 Response-PDU,
108 SetRequest-PDU,
111 InformRequest-PDU,
114 SNMPv2-Trap-PDU,
117 Report-PDU
120 GetRequest-PDU ::=
[all …]
/linux/net/9p/
H A Dprotocol.c194 p9pdu_writef(struct p9_fcall *pdu, int proto_version, const char *fmt, ...);
211 size_t pdu_read(struct p9_fcall *pdu, void *data, size_t size) in pdu_read() argument
213 size_t len = min(pdu->size - pdu->offset, size); in pdu_read()
215 memcpy(data, &pdu->sdata[pdu->offset], len); in pdu_read()
216 pdu->offset += len; in pdu_read()
220 static size_t pdu_write(struct p9_fcall *pdu, const void *data, size_t size) in pdu_write() argument
222 size_t len = min(pdu->capacity - pdu->size, size); in pdu_write()
224 memcpy(&pdu->sdata[pdu->size], data, len); in pdu_write()
225 pdu->size += len; in pdu_write()
230 pdu_write_u(struct p9_fcall *pdu, struct iov_iter *from, size_t size) in pdu_write_u() argument
[all …]
H A Dprotocol.h13 int p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,
15 int p9pdu_readf(struct p9_fcall *pdu, int proto_version, const char *fmt, ...);
16 int p9pdu_prepare(struct p9_fcall *pdu, int16_t tag, int8_t type);
17 int p9pdu_finalize(struct p9_client *clnt, struct p9_fcall *pdu);
18 void p9pdu_reset(struct p9_fcall *pdu);
19 size_t pdu_read(struct p9_fcall *pdu, void *data, size_t size);
/linux/include/linux/
H A Dnvme-tcp.h64 * struct nvme_tcp_hdr - nvme tcp pdu common header
66 * @type: pdu type
67 * @flags: pdu specific flags
68 * @hlen: pdu header length
69 * @pdo: pdu data offset
70 * @plen: pdu wire byte length
81 * struct nvme_tcp_icreq_pdu - nvme tcp initialize connection request pdu
83 * @hdr: pdu generic header
84 * @pfv: pdu version format
85 * @hpda: host pdu data alignment (dwords, 0's based)
[all …]
/linux/drivers/usb/usbip/
H A Dusbip_common.c259 void usbip_dump_header(struct usbip_header *pdu) in usbip_dump_header() argument
262 pdu->base.command, in usbip_dump_header()
263 pdu->base.seqnum, in usbip_dump_header()
264 pdu->base.devid, in usbip_dump_header()
265 pdu->base.direction, in usbip_dump_header()
266 pdu->base.ep); in usbip_dump_header()
268 switch (pdu->base.command) { in usbip_dump_header()
271 pdu->u.cmd_submit.transfer_flags, in usbip_dump_header()
272 pdu->u.cmd_submit.transfer_buffer_length, in usbip_dump_header()
273 pdu->u.cmd_submit.start_frame, in usbip_dump_header()
[all …]
H A Dvudc_rx.c16 struct usbip_header *pdu, u8 type) in alloc_urb_from_cmd() argument
21 urb = usb_alloc_urb(pdu->u.cmd_submit.number_of_packets, in alloc_urb_from_cmd()
29 usbip_pack_pdu(pdu, urb, USBIP_CMD_SUBMIT, 0); in alloc_urb_from_cmd()
38 urb->setup_packet = kmemdup(&pdu->u.cmd_submit.setup, 8, in alloc_urb_from_cmd()
47 urb->pipe |= pdu->base.direction == USBIP_DIR_IN ? in alloc_urb_from_cmd()
63 struct usbip_header *pdu) in v_recv_cmd_unlink() argument
70 if (urb_p->seqnum != pdu->u.cmd_unlink.seqnum) in v_recv_cmd_unlink()
73 urb_p->seqnum = pdu->base.seqnum; in v_recv_cmd_unlink()
80 v_enqueue_ret_unlink(udc, pdu->base.seqnum, 0); in v_recv_cmd_unlink()
89 struct usbip_header *pdu) in v_recv_cmd_submit() argument
[all …]
/linux/drivers/target/iscsi/
H A Discsi_target_seq_pdu_list.c42 struct iscsi_pdu *pdu; in iscsit_dump_pdu_list() local
44 pr_debug("Dumping PDU List for ITT: 0x%08x:\n", in iscsit_dump_pdu_list()
48 pdu = &cmd->pdu_list[i]; in iscsit_dump_pdu_list()
50 " pdu_send_order: %d, seq_no: %d\n", i, pdu->offset, in iscsit_dump_pdu_list()
51 pdu->length, pdu->pdu_send_order, pdu->seq_no); in iscsit_dump_pdu_list()
282 * Builds PDU and/or Sequence list, called while DataSequenceInOrder=No
293 struct iscsi_pdu *pdu = cmd->pdu_list; in iscsit_do_build_pdu_and_seq_lists() local
316 pdu[i].offset = offset; in iscsit_do_build_pdu_and_seq_lists()
317 pdu[i].seq_no = seq_no; in iscsit_do_build_pdu_and_seq_lists()
329 pdu[i].type = PDUTYPE_IMMEDIATE; in iscsit_do_build_pdu_and_seq_lists()
[all …]
H A Discsi_target_datain_values.c304 struct iscsi_pdu *pdu; in iscsit_set_datain_values_yes_and_no() local
330 pdu = iscsit_get_pdu_holder_for_seq(cmd, NULL); in iscsit_set_datain_values_yes_and_no()
331 if (!pdu) in iscsit_set_datain_values_yes_and_no()
334 if ((read_data_done + pdu->length) == cmd->se_cmd.data_length) { in iscsit_set_datain_values_yes_and_no()
335 pdu->flags |= (ISCSI_FLAG_CMD_FINAL | ISCSI_FLAG_DATA_STATUS); in iscsit_set_datain_values_yes_and_no()
337 pdu->flags |= ISCSI_FLAG_DATA_ACK; in iscsit_set_datain_values_yes_and_no()
343 next_burst_len += pdu->length; in iscsit_set_datain_values_yes_and_no()
345 pdu->flags |= ISCSI_FLAG_CMD_FINAL; in iscsit_set_datain_values_yes_and_no()
347 pdu->flags |= ISCSI_FLAG_DATA_ACK; in iscsit_set_datain_values_yes_and_no()
353 pdu->data_sn = (!dr->recovery) ? cmd->data_sn++ : dr->data_sn++; in iscsit_set_datain_values_yes_and_no()
[all …]
H A Discsi_target_erl0.c28 * checks against to determine a PDU's Offset+Length is within the current
77 * the PDU does not contain the offset the sequence needs, in iscsit_dataout_within_command_recovery_check()
81 * DataPDUInOrder=No we only re-request the failed PDU in iscsit_dataout_within_command_recovery_check()
126 pr_err("Dumping DataOUT PDU Offset: %u Length: %d DataSN:" in iscsit_dataout_within_command_recovery_check()
315 " last DataOUT PDU in sequence but ISCSI_FLAG_" in iscsit_dataout_check_sequence()
323 " last DataOUT PDU in sequence but ISCSI_FLAG_" in iscsit_dataout_check_sequence()
452 struct iscsi_pdu *pdu; in iscsit_dataout_pre_datapduinorder_no() local
456 pdu = iscsit_get_pdu_holder(cmd, be32_to_cpu(hdr->offset), in iscsit_dataout_pre_datapduinorder_no()
458 if (!pdu) in iscsit_dataout_pre_datapduinorder_no()
461 cmd->pdu_ptr = pdu; in iscsit_dataout_pre_datapduinorder_no()
[all …]
/linux/net/bridge/
H A Dbr_private_cfm.h40 /* Expected received CCM PDU MAID. */
43 /* Expected received CCM PDU interval. */
44 /* Transmitting CCM PDU interval when CCM tx is enabled. */
47 bool enable; /* Enable/disable CCM PDU handling */
69 /* OAM PDU Tx information */
93 /* Indications that an OAM PDU has been seen. */
94 bool opcode_unexp_seen; /* RX of OAM PDU with unexpected opcode */
95 bool version_unexp_seen; /* RX of OAM PDU with unexpected version */
96 bool rx_level_low_seen; /* Rx of OAM PDU with level low */
100 /* This CCM related status is based on the latest received CCM PDU. */
[all …]
/linux/net/802/
H A Dmrp.c328 app->pdu = skb; in mrp_pdu_init()
336 if (skb_tailroom(app->pdu) < sizeof(*endmark)) in mrp_pdu_append_end_mark()
338 endmark = __skb_put(app->pdu, sizeof(*endmark)); in mrp_pdu_append_end_mark()
345 if (!app->pdu) in mrp_pdu_queue()
348 if (mrp_cb(app->pdu)->mh) in mrp_pdu_queue()
352 dev_hard_header(app->pdu, app->dev, ntohs(app->app->pkttype.type), in mrp_pdu_queue()
354 app->pdu->len); in mrp_pdu_queue()
356 skb_queue_tail(&app->queue, app->pdu); in mrp_pdu_queue()
357 app->pdu = NULL; in mrp_pdu_queue()
373 if (mrp_cb(app->pdu)->mh) { in mrp_pdu_append_msg_hdr()
[all …]
H A Dgarp.c238 app->pdu = skb; in garp_pdu_init()
244 if (skb_tailroom(app->pdu) < sizeof(u8)) in garp_pdu_append_end_mark()
246 __skb_put_u8(app->pdu, GARP_END_MARK); in garp_pdu_append_end_mark()
252 if (!app->pdu) in garp_pdu_queue()
258 llc_pdu_header_init(app->pdu, LLC_PDU_TYPE_U, LLC_SAP_BSPAN, in garp_pdu_queue()
260 llc_pdu_init_as_ui_cmd(app->pdu); in garp_pdu_queue()
261 llc_mac_hdr_init(app->pdu, app->dev->dev_addr, in garp_pdu_queue()
264 skb_queue_tail(&app->queue, app->pdu); in garp_pdu_queue()
265 app->pdu = NULL; in garp_pdu_queue()
280 if (skb_tailroom(app->pdu) < sizeof(*gm)) in garp_pdu_append_msg()
[all …]
/linux/drivers/nvme/target/
H A Dtcp.c170 union nvme_tcp_pdu pdu; member
295 static inline void nvmet_tcp_hdgst(void *pdu, size_t len) in nvmet_tcp_hdgst() argument
297 put_unaligned_le32(~crc32c(~0, pdu, len), pdu + len); in nvmet_tcp_hdgst()
301 void *pdu, size_t len) in nvmet_tcp_verify_hdgst() argument
303 struct nvme_tcp_hdr *hdr = pdu; in nvmet_tcp_verify_hdgst()
313 recv_digest = *(__le32 *)(pdu + hdr->hlen); in nvmet_tcp_verify_hdgst()
314 nvmet_tcp_hdgst(pdu, len); in nvmet_tcp_verify_hdgst()
315 exp_digest = *(__le32 *)(pdu + hdr->hlen); in nvmet_tcp_verify_hdgst()
326 static int nvmet_tcp_check_ddgst(struct nvmet_tcp_queue *queue, void *pdu) in nvmet_tcp_check_ddgst() argument
328 struct nvme_tcp_hdr *hdr = pdu; in nvmet_tcp_check_ddgst()
[all …]
/linux/drivers/net/wireless/ath/wcn36xx/
H A Dtxrx.c326 if (bd->pdu.mpdu_data_off <= bd->pdu.mpdu_header_off || in wcn36xx_rx_skb()
327 bd->pdu.mpdu_len < bd->pdu.mpdu_header_len) in wcn36xx_rx_skb()
332 if (bd->pdu.mpdu_data_off + bd->pdu.mpdu_len > WCN36XX_PKT_SIZE) in wcn36xx_rx_skb()
335 skb_put(skb, bd->pdu.mpdu_data_off + bd->pdu.mpdu_len); in wcn36xx_rx_skb()
336 skb_pull(skb, bd->pdu.mpdu_data_off); in wcn36xx_rx_skb()
342 if (bd->pdu.mpdu_header_off < sizeof(*bd) || in wcn36xx_rx_skb()
343 bd->pdu.mpdu_header_off + bd->pdu.mpdu_len > WCN36XX_PKT_SIZE) in wcn36xx_rx_skb()
346 skb_put(skb, bd->pdu.mpdu_header_off + bd->pdu.mpdu_len); in wcn36xx_rx_skb()
347 skb_pull(skb, bd->pdu.mpdu_header_off); in wcn36xx_rx_skb()
449 skb, bd->pdu.mpdu_len, bd->pdu.mpdu_header_off, in wcn36xx_rx_skb()
[all …]
/linux/net/nfc/
H A Dllcp_commands.c283 static struct sk_buff *llcp_add_header(struct sk_buff *pdu, in llcp_add_header() argument
295 skb_put_data(pdu, header, LLCP_HEADER_SIZE); in llcp_add_header()
297 return pdu; in llcp_add_header()
300 static struct sk_buff *llcp_add_tlv(struct sk_buff *pdu, const u8 *tlv, in llcp_add_tlv() argument
308 skb_put_data(pdu, tlv, tlv_length); in llcp_add_tlv()
310 return pdu; in llcp_add_tlv()
325 pr_err("Could not allocate PDU\n"); in llcp_allocate_pdu()
649 struct sk_buff *pdu; in nfc_llcp_send_i_frame() local
700 pdu = llcp_allocate_pdu(sock, LLCP_PDU_I, in nfc_llcp_send_i_frame()
702 if (pdu == NULL) { in nfc_llcp_send_i_frame()
[all …]
/linux/drivers/scsi/qedi/
H A Dqedi_fw_iscsi.h36 * @param cmd_pdu_header - PDU Header Parameters
52 * @param login_req_pdu_header - PDU Header Parameters
65 * @param nop_out_pdu_header - PDU Header Parameters
78 * @param logout_pdu_header - PDU Header Parameters
91 * @param tmf_pdu_header - PDU Header Parameters
100 * @param text_request_pdu_header - PDU Header Parameters
/linux/Documentation/scsi/
H A Dcxgb3i.rst16 - iSCSI PDU digest generation and verification
25 S3 h/w can directly place the iSCSI Data-In or Data-Out PDU's
30 - PDU Transmit and Recovery
32 On transmitting, S3 h/w accepts the complete PDU (header + data)
34 the PDU into multiple TCP segments if necessary, and transmit all
38 On receiving, S3 h/w recovers the iSCSI PDU by reassembling TCP

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