2 * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
5 * Copyright (c) 2014, Cisco Systems, Inc.
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9 * modification, are permitted provided that the following conditions
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13 * notice, this list of conditions and the following disclaimer.
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16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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38 #include "vnic_enet.h"
43 #include "vnic_intr.h"
44 #include "vnic_stats.h"
49 #define DRV_NAME "enic_pmd"
50 #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Poll-mode Driver"
51 #define DRV_VERSION "1.0.0.5"
52 #define DRV_COPYRIGHT "Copyright 2008-2015 Cisco Systems, Inc"
56 #define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX)
57 #define ENIC_INTR_MAX (ENIC_CQ_MAX + 2)
59 #define VLAN_ETH_HLEN 18
61 #define ENICPMD_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
63 #define ENICPMD_BDF_LENGTH 13 /* 0000:00:00.0'\0' */
64 #define PKT_TX_TCP_UDP_CKSUM 0x6000
65 #define ENIC_CALC_IP_CKSUM 1
66 #define ENIC_CALC_TCP_UDP_CKSUM 2
67 #define ENIC_MAX_MTU 9000
68 #define ENIC_PAGE_SIZE 4096
69 #define PAGE_ROUND_UP(x) \
70 ((((unsigned long)(x)) + ENIC_PAGE_SIZE-1) & (~(ENIC_PAGE_SIZE-1)))
72 #define ENICPMD_VFIO_PATH "/dev/vfio/vfio"
73 /*#define ENIC_DESC_COUNT_MAKE_ODD (x) do{if ((~(x)) & 1) { (x)--; } }while(0)*/
75 #define PCI_DEVICE_ID_CISCO_VIC_ENET 0x0043 /* ethernet vnic */
76 #define PCI_DEVICE_ID_CISCO_VIC_ENET_VF 0x0071 /* enet SRIOV VF */
79 #define ENICPMD_FDIR_MAX 64
81 struct enic_fdir_node {
82 struct rte_eth_fdir_filter filter;
88 struct rte_eth_fdir_stats stats;
89 struct rte_hash *hash;
90 struct enic_fdir_node *nodes[ENICPMD_FDIR_MAX];
93 /* Per-instance private data structure */
96 struct rte_pci_device *pdev;
97 struct vnic_enet_config config;
98 struct vnic_dev_bar bar0;
99 struct vnic_dev *vdev;
101 unsigned int port_id;
102 struct rte_eth_dev *rte_dev;
103 struct enic_fdir fdir;
104 char bdf_name[ENICPMD_BDF_LENGTH];
109 uint8_t mac_addr[ETH_ALEN];
110 pthread_t err_intr_thread;
118 unsigned int priv_flags;
121 struct vnic_wq wq[ENIC_WQ_MAX];
122 unsigned int wq_count;
125 struct vnic_rq rq[ENIC_RQ_MAX];
126 unsigned int rq_count;
128 /* completion queue */
129 struct vnic_cq cq[ENIC_CQ_MAX];
130 unsigned int cq_count;
132 /* interrupt resource */
133 struct vnic_intr intr;
134 unsigned int intr_count;
137 static inline unsigned int enic_cq_rq(__rte_unused struct enic *enic, unsigned int rq)
142 static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq)
144 return enic->rq_count + wq;
147 static inline unsigned int enic_msix_err_intr(__rte_unused struct enic *enic)
152 static inline struct enic *pmd_priv(struct rte_eth_dev *eth_dev)
154 return (struct enic *)eth_dev->data->dev_private;
157 extern void enic_fdir_stats_get(struct enic *enic,
158 struct rte_eth_fdir_stats *stats);
159 extern int enic_fdir_add_fltr(struct enic *enic,
160 struct rte_eth_fdir_filter *params);
161 extern int enic_fdir_del_fltr(struct enic *enic,
162 struct rte_eth_fdir_filter *params);
163 extern void enic_free_wq(void *txq);
164 extern int enic_alloc_intr_resources(struct enic *enic);
165 extern int enic_setup_finish(struct enic *enic);
166 extern int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
167 unsigned int socket_id, uint16_t nb_desc);
168 extern void enic_start_wq(struct enic *enic, uint16_t queue_idx);
169 extern int enic_stop_wq(struct enic *enic, uint16_t queue_idx);
170 extern void enic_start_rq(struct enic *enic, uint16_t queue_idx);
171 extern int enic_stop_rq(struct enic *enic, uint16_t queue_idx);
172 extern void enic_free_rq(void *rxq);
173 extern int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
174 unsigned int socket_id, struct rte_mempool *mp,
176 extern int enic_set_rss_nic_cfg(struct enic *enic);
177 extern int enic_set_vnic_res(struct enic *enic);
178 extern void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size);
179 extern int enic_enable(struct enic *enic);
180 extern int enic_disable(struct enic *enic);
181 extern void enic_remove(struct enic *enic);
182 extern int enic_get_link_status(struct enic *enic);
183 extern void enic_dev_stats_get(struct enic *enic,
184 struct rte_eth_stats *r_stats);
185 extern void enic_dev_stats_clear(struct enic *enic);
186 extern void enic_add_packet_filter(struct enic *enic);
187 extern void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr);
188 extern void enic_del_mac_address(struct enic *enic);
189 extern unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq);
190 extern int enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
191 struct rte_mbuf *tx_pkt, unsigned short len,
192 uint8_t sop, uint8_t eop,
193 uint16_t ol_flags, uint16_t vlan_tag);
194 extern int enic_poll(struct vnic_rq *rq, struct rte_mbuf **rx_pkts,
195 unsigned int budget, unsigned int *work_done);
196 extern int enic_probe(struct enic *enic);
197 extern int enic_clsf_init(struct enic *enic);
198 extern void enic_clsf_destroy(struct enic *enic);
199 #endif /* _ENIC_H_ */