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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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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38 #include "vnic_enet.h"
43 #include "vnic_intr.h"
44 #include "vnic_stats.h"
48 #include "cq_enet_desc.h"
50 #define DRV_NAME "enic_pmd"
51 #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Poll-mode Driver"
52 #define DRV_VERSION "1.0.0.6"
53 #define DRV_COPYRIGHT "Copyright 2008-2015 Cisco Systems, Inc"
57 #define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX)
58 #define ENIC_INTR_MAX (ENIC_CQ_MAX + 2)
60 #define VLAN_ETH_HLEN 18
62 #define ENICPMD_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
64 #define ENICPMD_BDF_LENGTH 13 /* 0000:00:00.0'\0' */
65 #define PKT_TX_TCP_UDP_CKSUM 0x6000
66 #define ENIC_CALC_IP_CKSUM 1
67 #define ENIC_CALC_TCP_UDP_CKSUM 2
68 #define ENIC_MAX_MTU 9000
69 #define ENIC_PAGE_SIZE 4096
70 #define PAGE_ROUND_UP(x) \
71 ((((unsigned long)(x)) + ENIC_PAGE_SIZE-1) & (~(ENIC_PAGE_SIZE-1)))
73 #define ENICPMD_VFIO_PATH "/dev/vfio/vfio"
74 /*#define ENIC_DESC_COUNT_MAKE_ODD (x) do{if ((~(x)) & 1) { (x)--; } }while(0)*/
76 #define PCI_DEVICE_ID_CISCO_VIC_ENET 0x0043 /* ethernet vnic */
77 #define PCI_DEVICE_ID_CISCO_VIC_ENET_VF 0x0071 /* enet SRIOV VF */
80 #define ENICPMD_FDIR_MAX 64
82 struct enic_fdir_node {
83 struct rte_eth_fdir_filter filter;
89 struct rte_eth_fdir_stats stats;
90 struct rte_hash *hash;
91 struct enic_fdir_node *nodes[ENICPMD_FDIR_MAX];
94 /* Per-instance private data structure */
97 struct rte_pci_device *pdev;
98 struct vnic_enet_config config;
99 struct vnic_dev_bar bar0;
100 struct vnic_dev *vdev;
102 unsigned int port_id;
103 struct rte_eth_dev *rte_dev;
104 struct enic_fdir fdir;
105 char bdf_name[ENICPMD_BDF_LENGTH];
110 uint8_t mac_addr[ETH_ALEN];
111 pthread_t err_intr_thread;
119 unsigned int priv_flags;
122 struct vnic_wq wq[ENIC_WQ_MAX];
123 unsigned int wq_count;
126 struct vnic_rq rq[ENIC_RQ_MAX];
127 unsigned int rq_count;
129 /* completion queue */
130 struct vnic_cq cq[ENIC_CQ_MAX];
131 unsigned int cq_count;
133 /* interrupt resource */
134 struct vnic_intr intr;
135 unsigned int intr_count;
138 static inline unsigned int enic_cq_rq(__rte_unused struct enic *enic, unsigned int rq)
143 static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq)
145 return enic->rq_count + wq;
148 static inline unsigned int enic_msix_err_intr(__rte_unused struct enic *enic)
153 static inline struct enic *pmd_priv(struct rte_eth_dev *eth_dev)
155 return (struct enic *)eth_dev->data->dev_private;
158 #define RTE_LIBRTE_ENIC_ASSERT_ENABLE
159 #ifdef RTE_LIBRTE_ENIC_ASSERT_ENABLE
160 #define ASSERT(x) do { \
162 rte_panic("ENIC: x"); \
168 extern void enic_fdir_stats_get(struct enic *enic,
169 struct rte_eth_fdir_stats *stats);
170 extern int enic_fdir_add_fltr(struct enic *enic,
171 struct rte_eth_fdir_filter *params);
172 extern int enic_fdir_del_fltr(struct enic *enic,
173 struct rte_eth_fdir_filter *params);
174 extern void enic_free_wq(void *txq);
175 extern int enic_alloc_intr_resources(struct enic *enic);
176 extern int enic_setup_finish(struct enic *enic);
177 extern int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
178 unsigned int socket_id, uint16_t nb_desc);
179 extern void enic_start_wq(struct enic *enic, uint16_t queue_idx);
180 extern int enic_stop_wq(struct enic *enic, uint16_t queue_idx);
181 extern void enic_start_rq(struct enic *enic, uint16_t queue_idx);
182 extern int enic_stop_rq(struct enic *enic, uint16_t queue_idx);
183 extern void enic_free_rq(void *rxq);
184 extern int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
185 unsigned int socket_id, struct rte_mempool *mp,
187 extern int enic_set_rss_nic_cfg(struct enic *enic);
188 extern int enic_set_vnic_res(struct enic *enic);
189 extern void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size);
190 extern int enic_enable(struct enic *enic);
191 extern int enic_disable(struct enic *enic);
192 extern void enic_remove(struct enic *enic);
193 extern int enic_get_link_status(struct enic *enic);
194 extern void enic_dev_stats_get(struct enic *enic,
195 struct rte_eth_stats *r_stats);
196 extern void enic_dev_stats_clear(struct enic *enic);
197 extern void enic_add_packet_filter(struct enic *enic);
198 extern void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr);
199 extern void enic_del_mac_address(struct enic *enic);
200 extern unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq);
201 extern void enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
202 struct rte_mbuf *tx_pkt, unsigned short len,
203 uint8_t sop, uint8_t eop, uint8_t cq_entry,
204 uint16_t ol_flags, uint16_t vlan_tag);
206 extern void enic_post_wq_index(struct vnic_wq *wq);
207 extern int enic_probe(struct enic *enic);
208 extern int enic_clsf_init(struct enic *enic);
209 extern void enic_clsf_destroy(struct enic *enic);
210 uint16_t enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
213 #endif /* _ENIC_H_ */