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Release 4.11 drivers/net/ethernet/cisco/enic/cq_enet_desc.h

/*
 * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 *
 * This program is free software; you may redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#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_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); }

Contributors

PersonTokensPropCommitsCommitProp
Scott Feldman46100.00%1100.00%
Total46100.00%1100.00%

/* 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_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; }

Contributors

PersonTokensPropCommitsCommitProp
Scott Feldman51393.96%125.00%
Vasanthy Kolluri305.49%250.00%
Santosh Nayak30.55%125.00%
Total546100.00%4100.00%

#endif /* _CQ_ENET_DESC_H_ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Scott Feldman75792.54%120.00%
Vasanthy Kolluri587.09%360.00%
Santosh Nayak30.37%120.00%
Total818100.00%5100.00%
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