1 /* QLogic qed NIC Driver
2  * Copyright (c) 2015 QLogic Corporation
3  *
4  * This software is available under the terms of the GNU General Public License
5  * (GPL) Version 2, available from the file COPYING in the main directory of
6  * this source tree.
7  */
8 #ifndef _QED_L2_H
9 #define _QED_L2_H
10 #include <linux/types.h>
11 #include <linux/io.h>
12 #include <linux/kernel.h>
13 #include <linux/slab.h>
14 #include <linux/qed/qed_eth_if.h>
15 #include "qed.h"
16 #include "qed_hw.h"
17 #include "qed_sp.h"
18 
19 struct qed_sge_tpa_params {
20 	u8 max_buffers_per_cqe;
21 
22 	u8 update_tpa_en_flg;
23 	u8 tpa_ipv4_en_flg;
24 	u8 tpa_ipv6_en_flg;
25 	u8 tpa_ipv4_tunn_en_flg;
26 	u8 tpa_ipv6_tunn_en_flg;
27 
28 	u8 update_tpa_param_flg;
29 	u8 tpa_pkt_split_flg;
30 	u8 tpa_hdr_data_split_flg;
31 	u8 tpa_gro_consistent_flg;
32 	u8 tpa_max_aggs_num;
33 	u16 tpa_max_size;
34 	u16 tpa_min_size_to_start;
35 	u16 tpa_min_size_to_cont;
36 };
37 
38 enum qed_filter_opcode {
39 	QED_FILTER_ADD,
40 	QED_FILTER_REMOVE,
41 	QED_FILTER_MOVE,
42 	QED_FILTER_REPLACE,	/* Delete all MACs and add new one instead */
43 	QED_FILTER_FLUSH,	/* Removes all filters */
44 };
45 
46 enum qed_filter_ucast_type {
47 	QED_FILTER_MAC,
48 	QED_FILTER_VLAN,
49 	QED_FILTER_MAC_VLAN,
50 	QED_FILTER_INNER_MAC,
51 	QED_FILTER_INNER_VLAN,
52 	QED_FILTER_INNER_PAIR,
53 	QED_FILTER_INNER_MAC_VNI_PAIR,
54 	QED_FILTER_MAC_VNI_PAIR,
55 	QED_FILTER_VNI,
56 };
57 
58 struct qed_filter_ucast {
59 	enum qed_filter_opcode opcode;
60 	enum qed_filter_ucast_type type;
61 	u8 is_rx_filter;
62 	u8 is_tx_filter;
63 	u8 vport_to_add_to;
64 	u8 vport_to_remove_from;
65 	unsigned char mac[ETH_ALEN];
66 	u8 assert_on_error;
67 	u16 vlan;
68 	u32 vni;
69 };
70 
71 struct qed_filter_mcast {
72 	/* MOVE is not supported for multicast */
73 	enum qed_filter_opcode opcode;
74 	u8 vport_to_add_to;
75 	u8 vport_to_remove_from;
76 	u8 num_mc_addrs;
77 #define QED_MAX_MC_ADDRS        64
78 	unsigned char mac[QED_MAX_MC_ADDRS][ETH_ALEN];
79 };
80 
81 int qed_sp_eth_rx_queue_stop(struct qed_hwfn *p_hwfn,
82 			     u16 rx_queue_id,
83 			     bool eq_completion_only, bool cqe_completion);
84 
85 int qed_sp_eth_tx_queue_stop(struct qed_hwfn *p_hwfn, u16 tx_queue_id);
86 
87 enum qed_tpa_mode {
88 	QED_TPA_MODE_NONE,
89 	QED_TPA_MODE_UNUSED,
90 	QED_TPA_MODE_GRO,
91 	QED_TPA_MODE_MAX
92 };
93 
94 struct qed_sp_vport_start_params {
95 	enum qed_tpa_mode tpa_mode;
96 	bool remove_inner_vlan;
97 	bool tx_switching;
98 	bool only_untagged;
99 	bool drop_ttl0;
100 	u8 max_buffers_per_cqe;
101 	u32 concrete_fid;
102 	u16 opaque_fid;
103 	u8 vport_id;
104 	u16 mtu;
105 };
106 
107 int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
108 			   struct qed_sp_vport_start_params *p_params);
109 
110 struct qed_rss_params {
111 	u8	update_rss_config;
112 	u8	rss_enable;
113 	u8	rss_eng_id;
114 	u8	update_rss_capabilities;
115 	u8	update_rss_ind_table;
116 	u8	update_rss_key;
117 	u8	rss_caps;
118 	u8	rss_table_size_log;
119 	u16	rss_ind_table[QED_RSS_IND_TABLE_SIZE];
120 	u32	rss_key[QED_RSS_KEY_SIZE];
121 };
122 
123 struct qed_filter_accept_flags {
124 	u8	update_rx_mode_config;
125 	u8	update_tx_mode_config;
126 	u8	rx_accept_filter;
127 	u8	tx_accept_filter;
128 #define QED_ACCEPT_NONE         0x01
129 #define QED_ACCEPT_UCAST_MATCHED        0x02
130 #define QED_ACCEPT_UCAST_UNMATCHED      0x04
131 #define QED_ACCEPT_MCAST_MATCHED        0x08
132 #define QED_ACCEPT_MCAST_UNMATCHED      0x10
133 #define QED_ACCEPT_BCAST                0x20
134 };
135 
136 struct qed_sp_vport_update_params {
137 	u16				opaque_fid;
138 	u8				vport_id;
139 	u8				update_vport_active_rx_flg;
140 	u8				vport_active_rx_flg;
141 	u8				update_vport_active_tx_flg;
142 	u8				vport_active_tx_flg;
143 	u8				update_inner_vlan_removal_flg;
144 	u8				inner_vlan_removal_flg;
145 	u8				silent_vlan_removal_flg;
146 	u8				update_default_vlan_enable_flg;
147 	u8				default_vlan_enable_flg;
148 	u8				update_default_vlan_flg;
149 	u16				default_vlan;
150 	u8				update_tx_switching_flg;
151 	u8				tx_switching_flg;
152 	u8				update_approx_mcast_flg;
153 	u8				update_anti_spoofing_en_flg;
154 	u8				anti_spoofing_en;
155 	u8				update_accept_any_vlan_flg;
156 	u8				accept_any_vlan;
157 	unsigned long			bins[8];
158 	struct qed_rss_params		*rss_params;
159 	struct qed_filter_accept_flags	accept_flags;
160 	struct qed_sge_tpa_params	*sge_tpa_params;
161 };
162 
163 int qed_sp_vport_update(struct qed_hwfn *p_hwfn,
164 			struct qed_sp_vport_update_params *p_params,
165 			enum spq_mode comp_mode,
166 			struct qed_spq_comp_cb *p_comp_data);
167 
168 /**
169  * @brief qed_sp_vport_stop -
170  *
171  * This ramrod closes a VPort after all its RX and TX queues are terminated.
172  * An Assert is generated if any queues are left open.
173  *
174  * @param p_hwfn
175  * @param opaque_fid
176  * @param vport_id VPort ID
177  *
178  * @return int
179  */
180 int qed_sp_vport_stop(struct qed_hwfn *p_hwfn, u16 opaque_fid, u8 vport_id);
181 
182 int qed_sp_eth_filter_ucast(struct qed_hwfn *p_hwfn,
183 			    u16 opaque_fid,
184 			    struct qed_filter_ucast *p_filter_cmd,
185 			    enum spq_mode comp_mode,
186 			    struct qed_spq_comp_cb *p_comp_data);
187 
188 /**
189  * @brief qed_sp_rx_eth_queues_update -
190  *
191  * This ramrod updates an RX queue. It is used for setting the active state
192  * of the queue and updating the TPA and SGE parameters.
193  *
194  * @note At the moment - only used by non-linux VFs.
195  *
196  * @param p_hwfn
197  * @param rx_queue_id		RX Queue ID
198  * @param num_rxqs		Allow to update multiple rx
199  *				queues, from rx_queue_id to
200  *				(rx_queue_id + num_rxqs)
201  * @param complete_cqe_flg	Post completion to the CQE Ring if set
202  * @param complete_event_flg	Post completion to the Event Ring if set
203  *
204  * @return int
205  */
206 
207 int
208 qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn,
209 			    u16 rx_queue_id,
210 			    u8 num_rxqs,
211 			    u8 complete_cqe_flg,
212 			    u8 complete_event_flg,
213 			    enum spq_mode comp_mode,
214 			    struct qed_spq_comp_cb *p_comp_data);
215 
216 void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats);
217 
218 int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
219 			   struct qed_sp_vport_start_params *p_params);
220 
221 int qed_sp_eth_rxq_start_ramrod(struct qed_hwfn *p_hwfn,
222 				u16 opaque_fid,
223 				u32 cid,
224 				struct qed_queue_start_common_params *params,
225 				u8 stats_id,
226 				u16 bd_max_bytes,
227 				dma_addr_t bd_chain_phys_addr,
228 				dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size);
229 
230 int qed_sp_eth_txq_start_ramrod(struct qed_hwfn  *p_hwfn,
231 				u16  opaque_fid,
232 				u32  cid,
233 				struct qed_queue_start_common_params *p_params,
234 				u8  stats_id,
235 				dma_addr_t pbl_addr,
236 				u16 pbl_size,
237 				union qed_qm_pq_params *p_pq_params);
238 
239 u8 qed_mcast_bin_from_mac(u8 *mac);
240 
241 #endif /* _QED_L2_H */
242