--- /dev/null
+/*
+ * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ *
+ * Copyright (c) 2014, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef _CQ_ENET_DESC_H_
+#define _CQ_ENET_DESC_H_
+
+#include "cq_desc.h"
+
+/* Ethernet completion queue descriptor: 16B */
+struct cq_enet_wq_desc {
+ __le16 completed_index;
+ __le16 q_number;
+ u8 reserved[11];
+ u8 type_color;
+};
+
+static inline void cq_enet_wq_desc_enc(struct cq_enet_wq_desc *desc,
+ u8 type, u8 color, u16 q_number, u16 completed_index)
+{
+ cq_desc_enc((struct cq_desc *)desc, type,
+ color, q_number, completed_index);
+}
+
+static inline void cq_enet_wq_desc_dec(struct cq_enet_wq_desc *desc,
+ u8 *type, u8 *color, u16 *q_number, u16 *completed_index)
+{
+ cq_desc_dec((struct cq_desc *)desc, type,
+ color, q_number, completed_index);
+}
+
+/* Completion queue descriptor: Ethernet receive queue, 16B */
+struct cq_enet_rq_desc {
+ __le16 completed_index_flags;
+ __le16 q_number_rss_type_flags;
+ __le32 rss_hash;
+ __le16 bytes_written_flags;
+ __le16 vlan;
+ __le16 checksum_fcoe;
+ u8 flags;
+ u8 type_color;
+};
+
+#define CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT (0x1 << 12)
+#define CQ_ENET_RQ_DESC_FLAGS_FCOE (0x1 << 13)
+#define CQ_ENET_RQ_DESC_FLAGS_EOP (0x1 << 14)
+#define CQ_ENET_RQ_DESC_FLAGS_SOP (0x1 << 15)
+
+#define CQ_ENET_RQ_DESC_RSS_TYPE_BITS 4
+#define CQ_ENET_RQ_DESC_RSS_TYPE_MASK \
+ ((1 << CQ_ENET_RQ_DESC_RSS_TYPE_BITS) - 1)
+#define CQ_ENET_RQ_DESC_RSS_TYPE_NONE 0
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv4 1
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv4 2
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6 3
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6 4
+#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6_EX 5
+#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6_EX 6
+
+#define CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC (0x1 << 14)
+
+#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS 14
+#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK \
+ ((1 << CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FLAGS_TRUNCATED (0x1 << 14)
+#define CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED (0x1 << 15)
+
+#define CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_BITS 12
+#define CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_MASK \
+ ((1 << CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_BITS) - 1)
+#define CQ_ENET_RQ_DESC_VLAN_TCI_CFI_MASK (0x1 << 12)
+#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_BITS 3
+#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_MASK \
+ ((1 << CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_BITS) - 1)
+#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_SHIFT 13
+
+#define CQ_ENET_RQ_DESC_FCOE_SOF_BITS 8
+#define CQ_ENET_RQ_DESC_FCOE_SOF_MASK \
+ ((1 << CQ_ENET_RQ_DESC_FCOE_SOF_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FCOE_EOF_BITS 8
+#define CQ_ENET_RQ_DESC_FCOE_EOF_MASK \
+ ((1 << CQ_ENET_RQ_DESC_FCOE_EOF_BITS) - 1)
+#define CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT 8
+
+#define CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK (0x1 << 0)
+#define CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK (0x1 << 0)
+#define CQ_ENET_RQ_DESC_FLAGS_UDP (0x1 << 1)
+#define CQ_ENET_RQ_DESC_FCOE_ENC_ERROR (0x1 << 1)
+#define CQ_ENET_RQ_DESC_FLAGS_TCP (0x1 << 2)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK (0x1 << 3)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV6 (0x1 << 4)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4 (0x1 << 5)
+#define CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT (0x1 << 6)
+#define CQ_ENET_RQ_DESC_FLAGS_FCS_OK (0x1 << 7)
+
+static inline void cq_enet_rq_desc_enc(struct cq_enet_rq_desc *desc,
+ u8 type, u8 color, u16 q_number, u16 completed_index,
+ u8 ingress_port, u8 fcoe, u8 eop, u8 sop, u8 rss_type, u8 csum_not_calc,
+ u32 rss_hash, u16 bytes_written, u8 packet_error, u8 vlan_stripped,
+ u16 vlan, u16 checksum, u8 fcoe_sof, u8 fcoe_fc_crc_ok,
+ u8 fcoe_enc_error, u8 fcoe_eof, u8 tcp_udp_csum_ok, u8 udp, u8 tcp,
+ u8 ipv4_csum_ok, u8 ipv6, u8 ipv4, u8 ipv4_fragment, u8 fcs_ok)
+{
+ cq_desc_enc((struct cq_desc *)desc, type,
+ color, q_number, completed_index);
+
+ desc->completed_index_flags |= cpu_to_le16(
+ (ingress_port ? CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT : 0) |
+ (fcoe ? CQ_ENET_RQ_DESC_FLAGS_FCOE : 0) |
+ (eop ? CQ_ENET_RQ_DESC_FLAGS_EOP : 0) |
+ (sop ? CQ_ENET_RQ_DESC_FLAGS_SOP : 0));
+
+ desc->q_number_rss_type_flags |= cpu_to_le16(
+ ((rss_type & CQ_ENET_RQ_DESC_RSS_TYPE_MASK) <<
+ CQ_DESC_Q_NUM_BITS) |
+ (csum_not_calc ? CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC : 0));
+
+ desc->rss_hash = cpu_to_le32(rss_hash);
+
+ desc->bytes_written_flags = cpu_to_le16(
+ (bytes_written & CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK) |
+ (packet_error ? CQ_ENET_RQ_DESC_FLAGS_TRUNCATED : 0) |
+ (vlan_stripped ? CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED : 0));
+
+ desc->vlan = cpu_to_le16(vlan);
+
+ if (fcoe) {
+ desc->checksum_fcoe = cpu_to_le16(
+ (fcoe_sof & CQ_ENET_RQ_DESC_FCOE_SOF_MASK) |
+ ((fcoe_eof & CQ_ENET_RQ_DESC_FCOE_EOF_MASK) <<
+ CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT));
+ } else {
+ desc->checksum_fcoe = cpu_to_le16(checksum);
+ }
+
+ desc->flags =
+ (tcp_udp_csum_ok ? CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK : 0) |
+ (udp ? CQ_ENET_RQ_DESC_FLAGS_UDP : 0) |
+ (tcp ? CQ_ENET_RQ_DESC_FLAGS_TCP : 0) |
+ (ipv4_csum_ok ? CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK : 0) |
+ (ipv6 ? CQ_ENET_RQ_DESC_FLAGS_IPV6 : 0) |
+ (ipv4 ? CQ_ENET_RQ_DESC_FLAGS_IPV4 : 0) |
+ (ipv4_fragment ? CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT : 0) |
+ (fcs_ok ? CQ_ENET_RQ_DESC_FLAGS_FCS_OK : 0) |
+ (fcoe_fc_crc_ok ? CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK : 0) |
+ (fcoe_enc_error ? CQ_ENET_RQ_DESC_FCOE_ENC_ERROR : 0);
+}
+
+static inline void cq_enet_rq_desc_dec(struct cq_enet_rq_desc *desc,
+ u8 *type, u8 *color, u16 *q_number, u16 *completed_index,
+ u8 *ingress_port, u8 *fcoe, u8 *eop, u8 *sop, u8 *rss_type,
+ u8 *csum_not_calc, u32 *rss_hash, u16 *bytes_written, u8 *packet_error,
+ u8 *vlan_stripped, u16 *vlan_tci, u16 *checksum, u8 *fcoe_sof,
+ u8 *fcoe_fc_crc_ok, u8 *fcoe_enc_error, u8 *fcoe_eof,
+ u8 *tcp_udp_csum_ok, u8 *udp, u8 *tcp, u8 *ipv4_csum_ok,
+ u8 *ipv6, u8 *ipv4, u8 *ipv4_fragment, u8 *fcs_ok)
+{
+ u16 completed_index_flags;
+ u16 q_number_rss_type_flags;
+ u16 bytes_written_flags;
+
+ cq_desc_dec((struct cq_desc *)desc, type,
+ color, q_number, completed_index);
+
+ completed_index_flags = le16_to_cpu(desc->completed_index_flags);
+ q_number_rss_type_flags =
+ le16_to_cpu(desc->q_number_rss_type_flags);
+ bytes_written_flags = le16_to_cpu(desc->bytes_written_flags);
+
+ *ingress_port = (completed_index_flags &
+ CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT) ? 1 : 0;
+ *fcoe = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_FCOE) ?
+ 1 : 0;
+ *eop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_EOP) ?
+ 1 : 0;
+ *sop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_SOP) ?
+ 1 : 0;
+
+ *rss_type = (u8)((q_number_rss_type_flags >> CQ_DESC_Q_NUM_BITS) &
+ CQ_ENET_RQ_DESC_RSS_TYPE_MASK);
+ *csum_not_calc = (q_number_rss_type_flags &
+ CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC) ? 1 : 0;
+
+ *rss_hash = le32_to_cpu(desc->rss_hash);
+
+ *bytes_written = bytes_written_flags &
+ CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK;
+ *packet_error = (bytes_written_flags &
+ CQ_ENET_RQ_DESC_FLAGS_TRUNCATED) ? 1 : 0;
+ *vlan_stripped = (bytes_written_flags &
+ CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) ? 1 : 0;
+
+ /*
+ * Tag Control Information(16) = user_priority(3) + cfi(1) + vlan(12)
+ */
+ *vlan_tci = le16_to_cpu(desc->vlan);
+
+ if (*fcoe) {
+ *fcoe_sof = (u8)(le16_to_cpu(desc->checksum_fcoe) &
+ CQ_ENET_RQ_DESC_FCOE_SOF_MASK);
+ *fcoe_fc_crc_ok = (desc->flags &
+ CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK) ? 1 : 0;
+ *fcoe_enc_error = (desc->flags &
+ CQ_ENET_RQ_DESC_FCOE_ENC_ERROR) ? 1 : 0;
+ *fcoe_eof = (u8)((le16_to_cpu(desc->checksum_fcoe) >>
+ CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT) &
+ CQ_ENET_RQ_DESC_FCOE_EOF_MASK);
+ *checksum = 0;
+ } else {
+ *fcoe_sof = 0;
+ *fcoe_fc_crc_ok = 0;
+ *fcoe_enc_error = 0;
+ *fcoe_eof = 0;
+ *checksum = le16_to_cpu(desc->checksum_fcoe);
+ }
+
+ *tcp_udp_csum_ok =
+ (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK) ? 1 : 0;
+ *udp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_UDP) ? 1 : 0;
+ *tcp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP) ? 1 : 0;
+ *ipv4_csum_ok =
+ (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK) ? 1 : 0;
+ *ipv6 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV6) ? 1 : 0;
+ *ipv4 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4) ? 1 : 0;
+ *ipv4_fragment =
+ (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT) ? 1 : 0;
+ *fcs_ok = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_FCS_OK) ? 1 : 0;
+}
+
+#endif /* _CQ_ENET_DESC_H_ */
Code Review / deb_dpdk.git / blobdiff