1 // SPDX-License-Identifier: GPL-2.0-only
3 #include <asm/mach-rtl838x/mach-rtl83xx.h>
4 #include <linux/inetdevice.h>
8 extern struct mutex smi_lock
;
9 extern struct rtl83xx_soc_info soc_info
;
11 /* Definition of the RTL930X-specific template field IDs as used in the PIE */
12 enum template_field_id
{
13 TEMPLATE_FIELD_SPM0
= 0, // Source portmask ports 0-15
14 TEMPLATE_FIELD_SPM1
= 1, // Source portmask ports 16-31
15 TEMPLATE_FIELD_DMAC0
= 2, // Destination MAC [15:0]
16 TEMPLATE_FIELD_DMAC1
= 3, // Destination MAC [31:16]
17 TEMPLATE_FIELD_DMAC2
= 4, // Destination MAC [47:32]
18 TEMPLATE_FIELD_SMAC0
= 5, // Source MAC [15:0]
19 TEMPLATE_FIELD_SMAC1
= 6, // Source MAC [31:16]
20 TEMPLATE_FIELD_SMAC2
= 7, // Source MAC [47:32]
21 TEMPLATE_FIELD_ETHERTYPE
= 8, // Ethernet frame type field
22 TEMPLATE_FIELD_OTAG
= 9,
23 TEMPLATE_FIELD_ITAG
= 10,
24 TEMPLATE_FIELD_SIP0
= 11,
25 TEMPLATE_FIELD_SIP1
= 12,
26 TEMPLATE_FIELD_DIP0
= 13,
27 TEMPLATE_FIELD_DIP1
= 14,
28 TEMPLATE_FIELD_IP_TOS_PROTO
= 15,
29 TEMPLATE_FIELD_L4_SPORT
= 16,
30 TEMPLATE_FIELD_L4_DPORT
= 17,
31 TEMPLATE_FIELD_L34_HEADER
= 18,
32 TEMPLATE_FIELD_TCP_INFO
= 19,
33 TEMPLATE_FIELD_FIELD_SELECTOR_VALID
= 20,
34 TEMPLATE_FIELD_FIELD_SELECTOR_0
= 21,
35 TEMPLATE_FIELD_FIELD_SELECTOR_1
= 22,
36 TEMPLATE_FIELD_FIELD_SELECTOR_2
= 23,
37 TEMPLATE_FIELD_FIELD_SELECTOR_3
= 24,
38 TEMPLATE_FIELD_FIELD_SELECTOR_4
= 25,
39 TEMPLATE_FIELD_FIELD_SELECTOR_5
= 26,
40 TEMPLATE_FIELD_SIP2
= 27,
41 TEMPLATE_FIELD_SIP3
= 28,
42 TEMPLATE_FIELD_SIP4
= 29,
43 TEMPLATE_FIELD_SIP5
= 30,
44 TEMPLATE_FIELD_SIP6
= 31,
45 TEMPLATE_FIELD_SIP7
= 32,
46 TEMPLATE_FIELD_DIP2
= 33,
47 TEMPLATE_FIELD_DIP3
= 34,
48 TEMPLATE_FIELD_DIP4
= 35,
49 TEMPLATE_FIELD_DIP5
= 36,
50 TEMPLATE_FIELD_DIP6
= 37,
51 TEMPLATE_FIELD_DIP7
= 38,
52 TEMPLATE_FIELD_PKT_INFO
= 39,
53 TEMPLATE_FIELD_FLOW_LABEL
= 40,
54 TEMPLATE_FIELD_DSAP_SSAP
= 41,
55 TEMPLATE_FIELD_SNAP_OUI
= 42,
56 TEMPLATE_FIELD_FWD_VID
= 43,
57 TEMPLATE_FIELD_RANGE_CHK
= 44,
58 TEMPLATE_FIELD_VLAN_GMSK
= 45, // VLAN Group Mask/IP range check
59 TEMPLATE_FIELD_DLP
= 46,
60 TEMPLATE_FIELD_META_DATA
= 47,
61 TEMPLATE_FIELD_SRC_FWD_VID
= 48,
62 TEMPLATE_FIELD_SLP
= 49,
65 /* The meaning of TEMPLATE_FIELD_VLAN depends on phase and the configuration in
66 * RTL930X_PIE_CTRL. We use always the same definition and map to the inner VLAN tag:
68 #define TEMPLATE_FIELD_VLAN TEMPLATE_FIELD_ITAG
70 // Number of fixed templates predefined in the RTL9300 SoC
71 #define N_FIXED_TEMPLATES 5
72 // RTL9300 specific predefined templates
73 static enum template_field_id fixed_templates
[N_FIXED_TEMPLATES
][N_FIXED_FIELDS
] =
76 TEMPLATE_FIELD_DMAC0
, TEMPLATE_FIELD_DMAC1
, TEMPLATE_FIELD_DMAC2
,
77 TEMPLATE_FIELD_SMAC0
, TEMPLATE_FIELD_SMAC1
, TEMPLATE_FIELD_SMAC2
,
78 TEMPLATE_FIELD_VLAN
, TEMPLATE_FIELD_IP_TOS_PROTO
, TEMPLATE_FIELD_DSAP_SSAP
,
79 TEMPLATE_FIELD_ETHERTYPE
, TEMPLATE_FIELD_SPM0
, TEMPLATE_FIELD_SPM1
81 TEMPLATE_FIELD_SIP0
, TEMPLATE_FIELD_SIP1
, TEMPLATE_FIELD_DIP0
,
82 TEMPLATE_FIELD_DIP1
, TEMPLATE_FIELD_IP_TOS_PROTO
, TEMPLATE_FIELD_TCP_INFO
,
83 TEMPLATE_FIELD_L4_SPORT
, TEMPLATE_FIELD_L4_DPORT
, TEMPLATE_FIELD_VLAN
,
84 TEMPLATE_FIELD_RANGE_CHK
, TEMPLATE_FIELD_SPM0
, TEMPLATE_FIELD_SPM1
86 TEMPLATE_FIELD_DMAC0
, TEMPLATE_FIELD_DMAC1
, TEMPLATE_FIELD_DMAC2
,
87 TEMPLATE_FIELD_VLAN
, TEMPLATE_FIELD_ETHERTYPE
, TEMPLATE_FIELD_IP_TOS_PROTO
,
88 TEMPLATE_FIELD_SIP0
, TEMPLATE_FIELD_SIP1
, TEMPLATE_FIELD_DIP0
,
89 TEMPLATE_FIELD_DIP1
, TEMPLATE_FIELD_L4_SPORT
, TEMPLATE_FIELD_L4_DPORT
91 TEMPLATE_FIELD_DIP0
, TEMPLATE_FIELD_DIP1
, TEMPLATE_FIELD_DIP2
,
92 TEMPLATE_FIELD_DIP3
, TEMPLATE_FIELD_DIP4
, TEMPLATE_FIELD_DIP5
,
93 TEMPLATE_FIELD_DIP6
, TEMPLATE_FIELD_DIP7
, TEMPLATE_FIELD_IP_TOS_PROTO
,
94 TEMPLATE_FIELD_TCP_INFO
, TEMPLATE_FIELD_L4_SPORT
, TEMPLATE_FIELD_L4_DPORT
96 TEMPLATE_FIELD_SIP0
, TEMPLATE_FIELD_SIP1
, TEMPLATE_FIELD_SIP2
,
97 TEMPLATE_FIELD_SIP3
, TEMPLATE_FIELD_SIP4
, TEMPLATE_FIELD_SIP5
,
98 TEMPLATE_FIELD_SIP6
, TEMPLATE_FIELD_SIP7
, TEMPLATE_FIELD_VLAN
,
99 TEMPLATE_FIELD_RANGE_CHK
, TEMPLATE_FIELD_SPM1
, TEMPLATE_FIELD_SPM1
103 void rtl930x_print_matrix(void)
106 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_0
, 6);
108 for (i
= 0; i
< 29; i
++) {
109 rtl_table_read(r
, i
);
110 pr_debug("> %08x\n", sw_r32(rtl_table_data(r
, 0)));
112 rtl_table_release(r
);
115 inline void rtl930x_exec_tbl0_cmd(u32 cmd
)
117 sw_w32(cmd
, RTL930X_TBL_ACCESS_CTRL_0
);
118 do { } while (sw_r32(RTL930X_TBL_ACCESS_CTRL_0
) & (1 << 17));
121 inline void rtl930x_exec_tbl1_cmd(u32 cmd
)
123 sw_w32(cmd
, RTL930X_TBL_ACCESS_CTRL_1
);
124 do { } while (sw_r32(RTL930X_TBL_ACCESS_CTRL_1
) & (1 << 17));
127 inline int rtl930x_tbl_access_data_0(int i
)
129 return RTL930X_TBL_ACCESS_DATA_0(i
);
132 static inline int rtl930x_l2_port_new_salrn(int p
)
134 return RTL930X_L2_PORT_SALRN(p
);
137 static inline int rtl930x_l2_port_new_sa_fwd(int p
)
139 // TODO: The definition of the fields changed, because of the master-cpu in a stack
140 return RTL930X_L2_PORT_NEW_SA_FWD(p
);
143 inline static int rtl930x_trk_mbr_ctr(int group
)
145 return RTL930X_TRK_MBR_CTRL
+ (group
<< 2);
148 static void rtl930x_vlan_tables_read(u32 vlan
, struct rtl838x_vlan_info
*info
)
151 // Read VLAN table (1) via register 0
152 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_0
, 1);
154 rtl_table_read(r
, vlan
);
155 v
= sw_r32(rtl_table_data(r
, 0));
156 w
= sw_r32(rtl_table_data(r
, 1));
157 pr_debug("VLAN_READ %d: %08x %08x\n", vlan
, v
, w
);
158 rtl_table_release(r
);
160 info
->tagged_ports
= v
>> 3;
161 info
->profile_id
= (w
>> 24) & 7;
162 info
->hash_mc_fid
= !!(w
& BIT(27));
163 info
->hash_uc_fid
= !!(w
& BIT(28));
164 info
->fid
= ((v
& 0x7) << 3) | ((w
>> 29) & 0x7);
166 // Read UNTAG table via table register 2
167 r
= rtl_table_get(RTL9300_TBL_2
, 0);
168 rtl_table_read(r
, vlan
);
169 v
= sw_r32(rtl_table_data(r
, 0));
170 rtl_table_release(r
);
172 info
->untagged_ports
= v
>> 3;
175 static void rtl930x_vlan_set_tagged(u32 vlan
, struct rtl838x_vlan_info
*info
)
178 // Access VLAN table (1) via register 0
179 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_0
, 1);
181 v
= info
->tagged_ports
<< 3;
182 v
|= ((u32
)info
->fid
) >> 3;
184 w
= ((u32
)info
->fid
) << 29;
185 w
|= info
->hash_mc_fid
? BIT(27) : 0;
186 w
|= info
->hash_uc_fid
? BIT(28) : 0;
187 w
|= info
->profile_id
<< 24;
189 sw_w32(v
, rtl_table_data(r
, 0));
190 sw_w32(w
, rtl_table_data(r
, 1));
192 rtl_table_write(r
, vlan
);
193 rtl_table_release(r
);
196 void rtl930x_vlan_profile_dump(int profile
)
200 if (profile
< 0 || profile
> 7)
203 p
[0] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile
));
204 p
[1] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile
) + 4);
205 p
[2] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile
) + 8) & 0x1FFFFFFF;
206 p
[3] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile
) + 12) & 0x1FFFFFFF;
207 p
[4] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile
) + 16) & 0x1FFFFFFF;
209 pr_info("VLAN %d: L2 learn: %d; Unknown MC PMasks: L2 %0x, IPv4 %0x, IPv6: %0x",
210 profile
, p
[0] & (3 << 21), p
[2], p
[3], p
[4]);
211 pr_info(" Routing enabled: IPv4 UC %c, IPv6 UC %c, IPv4 MC %c, IPv6 MC %c\n",
212 p
[0] & BIT(17) ? 'y' : 'n', p
[0] & BIT(16) ? 'y' : 'n',
213 p
[0] & BIT(13) ? 'y' : 'n', p
[0] & BIT(12) ? 'y' : 'n');
214 pr_info(" Bridge enabled: IPv4 MC %c, IPv6 MC %c,\n",
215 p
[0] & BIT(15) ? 'y' : 'n', p
[0] & BIT(14) ? 'y' : 'n');
216 pr_info("VLAN profile %d: raw %08x %08x %08x %08x %08x\n",
217 profile
, p
[0], p
[1], p
[2], p
[3], p
[4]);
220 static void rtl930x_vlan_set_untagged(u32 vlan
, u64 portmask
)
222 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_2
, 0);
224 sw_w32(portmask
<< 3, rtl_table_data(r
, 0));
225 rtl_table_write(r
, vlan
);
226 rtl_table_release(r
);
229 /* Sets the L2 forwarding to be based on either the inner VLAN tag or the outer
231 static void rtl930x_vlan_fwd_on_inner(int port
, bool is_set
)
233 // Always set all tag modes to fwd based on either inner or outer tag
235 sw_w32_mask(0, 0xf, RTL930X_VLAN_PORT_FWD
+ (port
<< 2));
237 sw_w32_mask(0xf, 0, RTL930X_VLAN_PORT_FWD
+ (port
<< 2));
240 static void rtl930x_vlan_profile_setup(int profile
)
244 pr_info("In %s\n", __func__
);
245 p
[0] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile
));
246 p
[1] = sw_r32(RTL930X_VLAN_PROFILE_SET(profile
) + 4);
248 // Enable routing of Ipv4/6 Unicast and IPv4/6 Multicast traffic
249 p
[0] |= BIT(17) | BIT(16) | BIT(13) | BIT(12);
250 p
[2] = 0x1fffffff; // L2 unknown MC flooding portmask all ports, including the CPU-port
251 p
[3] = 0x1fffffff; // IPv4 unknown MC flooding portmask
252 p
[4] = 0x1fffffff; // IPv6 unknown MC flooding portmask
254 sw_w32(p
[0], RTL930X_VLAN_PROFILE_SET(profile
));
255 sw_w32(p
[1], RTL930X_VLAN_PROFILE_SET(profile
) + 4);
256 sw_w32(p
[2], RTL930X_VLAN_PROFILE_SET(profile
) + 8);
257 sw_w32(p
[3], RTL930X_VLAN_PROFILE_SET(profile
) + 12);
258 sw_w32(p
[4], RTL930X_VLAN_PROFILE_SET(profile
) + 16);
261 static void rtl930x_l2_learning_setup(void)
263 // Portmask for flooding broadcast traffic
264 sw_w32(0x1fffffff, RTL930X_L2_BC_FLD_PMSK
);
266 // Portmask for flooding unicast traffic with unknown destination
267 sw_w32(0x1fffffff, RTL930X_L2_UNKN_UC_FLD_PMSK
);
269 // Limit learning to maximum: 32k entries, after that just flood (bits 0-1)
270 sw_w32((0x7fff << 2) | 0, RTL930X_L2_LRN_CONSTRT_CTRL
);
273 static void rtl930x_stp_get(struct rtl838x_switch_priv
*priv
, u16 msti
, u32 port_state
[])
276 u32 cmd
= 1 << 17 /* Execute cmd */
278 | 4 << 12 /* Table type 0b10 */
280 priv
->r
->exec_tbl0_cmd(cmd
);
282 for (i
= 0; i
< 2; i
++)
283 port_state
[i
] = sw_r32(RTL930X_TBL_ACCESS_DATA_0(i
));
284 pr_debug("MSTI: %d STATE: %08x, %08x\n", msti
, port_state
[0], port_state
[1]);
287 static void rtl930x_stp_set(struct rtl838x_switch_priv
*priv
, u16 msti
, u32 port_state
[])
290 u32 cmd
= 1 << 17 /* Execute cmd */
291 | 1 << 16 /* Write */
292 | 4 << 12 /* Table type 4 */
295 for (i
= 0; i
< 2; i
++)
296 sw_w32(port_state
[i
], RTL930X_TBL_ACCESS_DATA_0(i
));
297 priv
->r
->exec_tbl0_cmd(cmd
);
300 static inline int rtl930x_mac_force_mode_ctrl(int p
)
302 return RTL930X_MAC_FORCE_MODE_CTRL
+ (p
<< 2);
305 static inline int rtl930x_mac_port_ctrl(int p
)
307 return RTL930X_MAC_L2_PORT_CTRL(p
);
310 static inline int rtl930x_mac_link_spd_sts(int p
)
312 return RTL930X_MAC_LINK_SPD_STS(p
);
315 static u64
rtl930x_l2_hash_seed(u64 mac
, u32 vid
)
326 * Calculate both the block 0 and the block 1 hash by applyingthe same hash
327 * algorithm as the one used currently by the ASIC to the seed, and return
328 * both hashes in the lower and higher word of the return value since only 12 bit of
329 * the hash are significant
331 static u32
rtl930x_l2_hash_key(struct rtl838x_switch_priv
*priv
, u64 seed
)
333 u32 k0
, k1
, h1
, h2
, h
;
335 k0
= (u32
) (((seed
>> 55) & 0x1f) ^ ((seed
>> 44) & 0x7ff)
336 ^ ((seed
>> 33) & 0x7ff) ^ ((seed
>> 22) & 0x7ff)
337 ^ ((seed
>> 11) & 0x7ff) ^ (seed
& 0x7ff));
339 h1
= (seed
>> 11) & 0x7ff;
340 h1
= ((h1
& 0x1f) << 6) | ((h1
>> 5) & 0x3f);
342 h2
= (seed
>> 33) & 0x7ff;
343 h2
= ((h2
& 0x3f) << 5)| ((h2
>> 6) & 0x3f);
345 k1
= (u32
) (((seed
<< 55) & 0x1f) ^ ((seed
>> 44) & 0x7ff) ^ h2
346 ^ ((seed
>> 22) & 0x7ff) ^ h1
349 // Algorithm choice for block 0
350 if (sw_r32(RTL930X_L2_CTRL
) & BIT(0))
355 /* Algorithm choice for block 1
356 * Since k0 and k1 are < 2048, adding 2048 will offset the hash into the second
358 * 2048 is in fact the hash-table size 16384 divided by 4 hashes per bucket
359 * divided by 2 to divide the hash space in 2
361 if (sw_r32(RTL930X_L2_CTRL
) & BIT(1))
362 h
|= (k1
+ 2048) << 16;
364 h
|= (k0
+ 2048) << 16;
370 * Fills an L2 entry structure from the SoC registers
372 static void rtl930x_fill_l2_entry(u32 r
[], struct rtl838x_l2_entry
*e
)
374 pr_debug("In %s valid?\n", __func__
);
375 e
->valid
= !!(r
[2] & BIT(31));
379 pr_debug("In %s is valid\n", __func__
);
381 e
->is_ipv6_mc
= false;
383 // TODO: Is there not a function to copy directly MAC memory?
384 e
->mac
[0] = (r
[0] >> 24);
385 e
->mac
[1] = (r
[0] >> 16);
386 e
->mac
[2] = (r
[0] >> 8);
388 e
->mac
[4] = (r
[1] >> 24);
389 e
->mac
[5] = (r
[1] >> 16);
391 e
->next_hop
= !!(r
[2] & BIT(12));
392 e
->rvid
= r
[1] & 0xfff;
394 /* Is it a unicast entry? check multicast bit */
395 if (!(e
->mac
[0] & 1)) {
396 e
->type
= L2_UNICAST
;
397 e
->is_static
= !!(r
[2] & BIT(14));
398 e
->port
= (r
[2] >> 20) & 0x3ff;
399 // Check for trunk port
400 if (r
[2] & BIT(30)) {
402 e
->stack_dev
= (e
->port
>> 9) & 1;
403 e
->trunk
= e
->port
& 0x3f;
406 e
->stack_dev
= (e
->port
>> 6) & 0xf;
407 e
->port
= e
->port
& 0x3f;
410 e
->block_da
= !!(r
[2] & BIT(15));
411 e
->block_sa
= !!(r
[2] & BIT(16));
412 e
->suspended
= !!(r
[2] & BIT(13));
413 e
->age
= (r
[2] >> 17) & 3;
415 // the UC_VID field in hardware is used for the VID or for the route id
417 e
->nh_route_id
= r
[2] & 0x7ff;
420 e
->vid
= r
[2] & 0xfff;
425 e
->type
= L2_MULTICAST
;
426 e
->mc_portmask_index
= (r
[2] >> 16) & 0x3ff;
431 * Fills the 3 SoC table registers r[] with the information of in the rtl838x_l2_entry
433 static void rtl930x_fill_l2_row(u32 r
[], struct rtl838x_l2_entry
*e
)
438 r
[0] = r
[1] = r
[2] = 0;
442 r
[2] = BIT(31); // Set valid bit
444 r
[0] = ((u32
)e
->mac
[0]) << 24 | ((u32
)e
->mac
[1]) << 16
445 | ((u32
)e
->mac
[2]) << 8 | ((u32
)e
->mac
[3]);
446 r
[1] = ((u32
)e
->mac
[4]) << 24 | ((u32
)e
->mac
[5]) << 16;
448 r
[2] |= e
->next_hop
? BIT(12) : 0;
450 if (e
->type
== L2_UNICAST
) {
451 r
[2] |= e
->is_static
? BIT(14) : 0;
452 r
[1] |= e
->rvid
& 0xfff;
453 r
[2] |= (e
->port
& 0x3ff) << 20;
456 port
= e
->stack_dev
<< 9 | (e
->port
& 0x3f);
458 port
= (e
->stack_dev
& 0xf) << 6;
459 port
|= e
->port
& 0x3f;
462 r
[2] |= e
->block_da
? BIT(15) : 0;
463 r
[2] |= e
->block_sa
? BIT(17) : 0;
464 r
[2] |= e
->suspended
? BIT(13) : 0;
465 r
[2] |= (e
->age
& 0x3) << 17;
466 // the UC_VID field in hardware is used for the VID or for the route id
468 r
[2] |= e
->nh_route_id
& 0x7ff;
470 r
[2] |= e
->vid
& 0xfff;
471 } else { // L2_MULTICAST
472 r
[2] |= (e
->mc_portmask_index
& 0x3ff) << 16;
473 r
[2] |= e
->mc_mac_index
& 0x7ff;
478 * Read an L2 UC or MC entry out of a hash bucket of the L2 forwarding table
479 * hash is the id of the bucket and pos is the position of the entry in that bucket
480 * The data read from the SoC is filled into rtl838x_l2_entry
482 static u64
rtl930x_read_l2_entry_using_hash(u32 hash
, u32 pos
, struct rtl838x_l2_entry
*e
)
485 struct table_reg
*q
= rtl_table_get(RTL9300_TBL_L2
, 0);
491 pr_debug("%s: hash %08x, pos: %d\n", __func__
, hash
, pos
);
493 /* On the RTL93xx, 2 different hash algorithms are used making it a total of
494 * 8 buckets that need to be searched, 4 for each hash-half
495 * Use second hash space when bucket is between 4 and 8 */
503 idx
= (0 << 14) | (hash
<< 2) | pos
; // Search SRAM, with hash and at pos in bucket
504 pr_debug("%s: NOW hash %08x, pos: %d\n", __func__
, hash
, pos
);
506 rtl_table_read(q
, idx
);
507 for (i
= 0; i
< 3; i
++)
508 r
[i
] = sw_r32(rtl_table_data(q
, i
));
510 rtl_table_release(q
);
512 rtl930x_fill_l2_entry(r
, e
);
514 pr_debug("%s: valid: %d, nh: %d\n", __func__
, e
->valid
, e
->next_hop
);
518 mac
= ((u64
)e
->mac
[0]) << 40 | ((u64
)e
->mac
[1]) << 32 | ((u64
)e
->mac
[2]) << 24
519 | ((u64
)e
->mac
[3]) << 16 | ((u64
)e
->mac
[4]) << 8 | ((u64
)e
->mac
[5]);
521 seed
= rtl930x_l2_hash_seed(mac
, e
->rvid
);
522 pr_debug("%s: mac %016llx, seed %016llx\n", __func__
, mac
, seed
);
523 // return vid with concatenated mac as unique id
527 static void rtl930x_write_l2_entry_using_hash(u32 hash
, u32 pos
, struct rtl838x_l2_entry
*e
)
530 struct table_reg
*q
= rtl_table_get(RTL9300_TBL_L2
, 0);
531 u32 idx
= (0 << 14) | (hash
<< 2) | pos
; // Access SRAM, with hash and at pos in bucket
534 pr_debug("%s: hash %d, pos %d\n", __func__
, hash
, pos
);
535 pr_debug("%s: index %d -> mac %02x:%02x:%02x:%02x:%02x:%02x\n", __func__
, idx
,
536 e
->mac
[0], e
->mac
[1], e
->mac
[2], e
->mac
[3],e
->mac
[4],e
->mac
[5]);
538 rtl930x_fill_l2_row(r
, e
);
540 for (i
= 0; i
< 3; i
++)
541 sw_w32(r
[i
], rtl_table_data(q
, i
));
543 rtl_table_write(q
, idx
);
544 rtl_table_release(q
);
547 static u64
rtl930x_read_cam(int idx
, struct rtl838x_l2_entry
*e
)
550 struct table_reg
*q
= rtl_table_get(RTL9300_TBL_L2
, 1);
553 rtl_table_read(q
, idx
);
554 for (i
= 0; i
< 3; i
++)
555 r
[i
] = sw_r32(rtl_table_data(q
, i
));
557 rtl_table_release(q
);
559 rtl930x_fill_l2_entry(r
, e
);
563 // return mac with concatenated vid as unique id
564 return ((u64
)r
[0] << 28) | ((r
[1] & 0xffff0000) >> 4) | e
->vid
;
567 static void rtl930x_write_cam(int idx
, struct rtl838x_l2_entry
*e
)
570 struct table_reg
*q
= rtl_table_get(RTL9300_TBL_L2
, 1); // Access L2 Table 1
573 rtl930x_fill_l2_row(r
, e
);
575 for (i
= 0; i
< 3; i
++)
576 sw_w32(r
[i
], rtl_table_data(q
, i
));
578 rtl_table_write(q
, idx
);
579 rtl_table_release(q
);
582 static void dump_l2_entry(struct rtl838x_l2_entry
*e
)
584 pr_info("MAC: %02x:%02x:%02x:%02x:%02x:%02x vid: %d, rvid: %d, port: %d, valid: %d\n",
585 e
->mac
[0], e
->mac
[1], e
->mac
[2], e
->mac
[3], e
->mac
[4], e
->mac
[5],
586 e
->vid
, e
->rvid
, e
->port
, e
->valid
);
587 pr_info("Type: %d, is_static: %d, is_ip_mc: %d, is_ipv6_mc: %d, block_da: %d\n",
588 e
->type
, e
->is_static
, e
->is_ip_mc
, e
->is_ipv6_mc
, e
->block_da
);
589 pr_info(" block_sa: %d, suspended: %d, next_hop: %d, age: %d, is_trunk: %d, trunk: %d\n",
590 e
->block_sa
, e
->suspended
, e
->next_hop
, e
->age
, e
->is_trunk
, e
->trunk
);
591 if (e
->is_ip_mc
|| e
->is_ipv6_mc
)
592 pr_info(" mc_portmask_index: %d, mc_gip: %d, mc_sip: %d\n",
593 e
->mc_portmask_index
, e
->mc_gip
, e
->mc_sip
);
594 pr_info(" stac_dev: %d, nh_route_id: %d, port: %d, dev_id\n",
595 e
->stack_dev
, e
->nh_route_id
, e
->port
);
598 static u64
rtl930x_read_mcast_pmask(int idx
)
601 // Read MC_PORTMASK (2) via register RTL9300_TBL_L2
602 struct table_reg
*q
= rtl_table_get(RTL9300_TBL_L2
, 2);
604 rtl_table_read(q
, idx
);
605 portmask
= sw_r32(rtl_table_data(q
, 0));
607 rtl_table_release(q
);
609 pr_debug("%s: Index idx %d has portmask %08x\n", __func__
, idx
, portmask
);
613 static void rtl930x_write_mcast_pmask(int idx
, u64 portmask
)
617 // Access MC_PORTMASK (2) via register RTL9300_TBL_L2
618 struct table_reg
*q
= rtl_table_get(RTL9300_TBL_L2
, 2);
620 pr_debug("%s: Index idx %d has portmask %08x\n", __func__
, idx
, pm
);
622 sw_w32(pm
, rtl_table_data(q
, 0));
623 rtl_table_write(q
, idx
);
624 rtl_table_release(q
);
627 u64
rtl930x_traffic_get(int source
)
630 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_0
, 6);
632 rtl_table_read(r
, source
);
633 v
= sw_r32(rtl_table_data(r
, 0));
634 rtl_table_release(r
);
639 * Enable traffic between a source port and a destination port matrix
641 void rtl930x_traffic_set(int source
, u64 dest_matrix
)
643 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_0
, 6);
645 sw_w32((dest_matrix
<< 3), rtl_table_data(r
, 0));
646 rtl_table_write(r
, source
);
647 rtl_table_release(r
);
650 void rtl930x_traffic_enable(int source
, int dest
)
652 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_0
, 6);
653 rtl_table_read(r
, source
);
654 sw_w32_mask(0, BIT(dest
+ 3), rtl_table_data(r
, 0));
655 rtl_table_write(r
, source
);
656 rtl_table_release(r
);
659 void rtl930x_traffic_disable(int source
, int dest
)
661 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_0
, 6);
662 rtl_table_read(r
, source
);
663 sw_w32_mask(BIT(dest
+ 3), 0, rtl_table_data(r
, 0));
664 rtl_table_write(r
, source
);
665 rtl_table_release(r
);
668 void rtl9300_dump_debug(void)
671 u16 r
= RTL930X_STAT_PRVTE_DROP_COUNTER0
;
673 for (i
= 0; i
< 10; i
++) {
674 pr_info("# %d %08x %08x %08x %08x %08x %08x %08x %08x\n", i
* 8,
675 sw_r32(r
), sw_r32(r
+ 4), sw_r32(r
+ 8), sw_r32(r
+ 12),
676 sw_r32(r
+ 16), sw_r32(r
+ 20), sw_r32(r
+ 24), sw_r32(r
+ 28));
679 pr_info("# %08x %08x %08x %08x %08x\n",
680 sw_r32(r
), sw_r32(r
+ 4), sw_r32(r
+ 8), sw_r32(r
+ 12), sw_r32(r
+ 16));
681 rtl930x_print_matrix();
682 pr_info("RTL930X_L2_PORT_SABLK_CTRL: %08x, RTL930X_L2_PORT_DABLK_CTRL %08x\n",
683 sw_r32(RTL930X_L2_PORT_SABLK_CTRL
), sw_r32(RTL930X_L2_PORT_DABLK_CTRL
)
688 irqreturn_t
rtl930x_switch_irq(int irq
, void *dev_id
)
690 struct dsa_switch
*ds
= dev_id
;
691 u32 ports
= sw_r32(RTL930X_ISR_PORT_LINK_STS_CHG
);
696 sw_w32(ports
, RTL930X_ISR_PORT_LINK_STS_CHG
);
698 for (i
= 0; i
< 28; i
++) {
699 if (ports
& BIT(i
)) {
700 /* Read the register twice because of issues with latency at least
701 * with the external RTL8226 PHY on the XGS1210 */
702 link
= sw_r32(RTL930X_MAC_LINK_STS
);
703 link
= sw_r32(RTL930X_MAC_LINK_STS
);
705 dsa_port_phylink_mac_change(ds
, i
, true);
707 dsa_port_phylink_mac_change(ds
, i
, false);
714 int rtl930x_write_phy(u32 port
, u32 page
, u32 reg
, u32 val
)
719 pr_debug("%s: port %d, page: %d, reg: %x, val: %x\n", __func__
, port
, page
, reg
, val
);
721 if (port
> 63 || page
> 4095 || reg
> 31)
725 mutex_lock(&smi_lock
);
727 sw_w32(BIT(port
), RTL930X_SMI_ACCESS_PHY_CTRL_0
);
728 sw_w32_mask(0xffff << 16, val
<< 16, RTL930X_SMI_ACCESS_PHY_CTRL_2
);
729 v
= reg
<< 20 | page
<< 3 | 0x1f << 15 | BIT(2) | BIT(0);
730 sw_w32(v
, RTL930X_SMI_ACCESS_PHY_CTRL_1
);
733 v
= sw_r32(RTL930X_SMI_ACCESS_PHY_CTRL_1
);
739 mutex_unlock(&smi_lock
);
744 int rtl930x_read_phy(u32 port
, u32 page
, u32 reg
, u32
*val
)
749 if (port
> 63 || page
> 4095 || reg
> 31)
752 mutex_lock(&smi_lock
);
754 sw_w32_mask(0xffff << 16, port
<< 16, RTL930X_SMI_ACCESS_PHY_CTRL_2
);
755 v
= reg
<< 20 | page
<< 3 | 0x1f << 15 | 1;
756 sw_w32(v
, RTL930X_SMI_ACCESS_PHY_CTRL_1
);
759 v
= sw_r32(RTL930X_SMI_ACCESS_PHY_CTRL_1
);
763 pr_debug("Error reading phy %d, register %d\n", port
, reg
);
766 *val
= (sw_r32(RTL930X_SMI_ACCESS_PHY_CTRL_2
) & 0xffff);
768 pr_debug("%s: port %d, page: %d, reg: %x, val: %x\n", __func__
, port
, page
, reg
, *val
);
770 mutex_unlock(&smi_lock
);
776 * Write to an mmd register of the PHY
778 int rtl930x_write_mmd_phy(u32 port
, u32 devnum
, u32 regnum
, u32 val
)
783 mutex_lock(&smi_lock
);
786 sw_w32(BIT(port
), RTL930X_SMI_ACCESS_PHY_CTRL_0
);
789 sw_w32_mask(0xffff << 16, val
<< 16, RTL930X_SMI_ACCESS_PHY_CTRL_2
);
791 // Set MMD device number and register to write to
792 sw_w32(devnum
<< 16 | (regnum
& 0xffff), RTL930X_SMI_ACCESS_PHY_CTRL_3
);
794 v
= BIT(2) | BIT(1) | BIT(0); // WRITE | MMD-access | EXEC
795 sw_w32(v
, RTL930X_SMI_ACCESS_PHY_CTRL_1
);
798 v
= sw_r32(RTL930X_SMI_ACCESS_PHY_CTRL_1
);
799 } while (v
& BIT(0));
801 pr_debug("%s: port %d, regnum: %x, val: %x (err %d)\n", __func__
, port
, regnum
, val
, err
);
802 mutex_unlock(&smi_lock
);
807 * Read an mmd register of the PHY
809 int rtl930x_read_mmd_phy(u32 port
, u32 devnum
, u32 regnum
, u32
*val
)
814 mutex_lock(&smi_lock
);
817 sw_w32_mask(0xffff << 16, port
<< 16, RTL930X_SMI_ACCESS_PHY_CTRL_2
);
819 // Set MMD device number and register to write to
820 sw_w32(devnum
<< 16 | (regnum
& 0xffff), RTL930X_SMI_ACCESS_PHY_CTRL_3
);
822 v
= BIT(1) | BIT(0); // MMD-access | EXEC
823 sw_w32(v
, RTL930X_SMI_ACCESS_PHY_CTRL_1
);
826 v
= sw_r32(RTL930X_SMI_ACCESS_PHY_CTRL_1
);
827 } while (v
& BIT(0));
828 // There is no error-checking via BIT 25 of v, as it does not seem to be set correctly
829 *val
= (sw_r32(RTL930X_SMI_ACCESS_PHY_CTRL_2
) & 0xffff);
830 pr_debug("%s: port %d, regnum: %x, val: %x (err %d)\n", __func__
, port
, regnum
, *val
, err
);
832 mutex_unlock(&smi_lock
);
838 * Calculate both the block 0 and the block 1 hash, and return in
839 * lower and higher word of the return value since only 12 bit of
840 * the hash are significant
842 u32
rtl930x_hash(struct rtl838x_switch_priv
*priv
, u64 seed
)
844 u32 k0
, k1
, h1
, h2
, h
;
846 k0
= (u32
) (((seed
>> 55) & 0x1f) ^ ((seed
>> 44) & 0x7ff)
847 ^ ((seed
>> 33) & 0x7ff) ^ ((seed
>> 22) & 0x7ff)
848 ^ ((seed
>> 11) & 0x7ff) ^ (seed
& 0x7ff));
850 h1
= (seed
>> 11) & 0x7ff;
851 h1
= ((h1
& 0x1f) << 6) | ((h1
>> 5) & 0x3f);
853 h2
= (seed
>> 33) & 0x7ff;
854 h2
= ((h2
& 0x3f) << 5)| ((h2
>> 6) & 0x3f);
856 k1
= (u32
) (((seed
<< 55) & 0x1f) ^ ((seed
>> 44) & 0x7ff) ^ h2
857 ^ ((seed
>> 22) & 0x7ff) ^ h1
860 // Algorithm choice for block 0
861 if (sw_r32(RTL930X_L2_CTRL
) & BIT(0))
866 /* Algorithm choice for block 1
867 * Since k0 and k1 are < 2048, adding 2048 will offset the hash into the second
869 * 2048 is in fact the hash-table size 16384 divided by 4 hashes per bucket
870 * divided by 2 to divide the hash space in 2
872 if (sw_r32(RTL930X_L2_CTRL
) & BIT(1))
873 h
|= (k1
+ 2048) << 16;
875 h
|= (k0
+ 2048) << 16;
881 * Enables or disables the EEE/EEEP capability of a port
883 void rtl930x_port_eee_set(struct rtl838x_switch_priv
*priv
, int port
, bool enable
)
887 // This works only for Ethernet ports, and on the RTL930X, ports from 26 are SFP
891 pr_debug("In %s: setting port %d to %d\n", __func__
, port
, enable
);
892 v
= enable
? 0x3f : 0x0;
894 // Set EEE/EEEP state for 100, 500, 1000MBit and 2.5, 5 and 10GBit
895 sw_w32_mask(0, v
<< 10, rtl930x_mac_force_mode_ctrl(port
));
897 // Set TX/RX EEE state
898 v
= enable
? 0x3 : 0x0;
899 sw_w32(v
, RTL930X_EEE_CTRL(port
));
901 priv
->ports
[port
].eee_enabled
= enable
;
905 * Get EEE own capabilities and negotiation result
907 int rtl930x_eee_port_ability(struct rtl838x_switch_priv
*priv
, struct ethtool_eee
*e
, int port
)
914 pr_info("In %s, port %d\n", __func__
, port
);
915 link
= sw_r32(RTL930X_MAC_LINK_STS
);
916 link
= sw_r32(RTL930X_MAC_LINK_STS
);
917 if (!(link
& BIT(port
)))
920 pr_info("Setting advertised\n");
921 if (sw_r32(rtl930x_mac_force_mode_ctrl(port
)) & BIT(10))
922 e
->advertised
|= ADVERTISED_100baseT_Full
;
924 if (sw_r32(rtl930x_mac_force_mode_ctrl(port
)) & BIT(12))
925 e
->advertised
|= ADVERTISED_1000baseT_Full
;
927 if (priv
->ports
[port
].is2G5
&& sw_r32(rtl930x_mac_force_mode_ctrl(port
)) & BIT(13)) {
928 pr_info("ADVERTISING 2.5G EEE\n");
929 e
->advertised
|= ADVERTISED_2500baseX_Full
;
932 if (priv
->ports
[port
].is10G
&& sw_r32(rtl930x_mac_force_mode_ctrl(port
)) & BIT(15))
933 e
->advertised
|= ADVERTISED_10000baseT_Full
;
935 a
= sw_r32(RTL930X_MAC_EEE_ABLTY
);
936 a
= sw_r32(RTL930X_MAC_EEE_ABLTY
);
937 pr_info("Link partner: %08x\n", a
);
939 e
->lp_advertised
= ADVERTISED_100baseT_Full
;
940 e
->lp_advertised
|= ADVERTISED_1000baseT_Full
;
941 if (priv
->ports
[port
].is2G5
)
942 e
->lp_advertised
|= ADVERTISED_2500baseX_Full
;
943 if (priv
->ports
[port
].is10G
)
944 e
->lp_advertised
|= ADVERTISED_10000baseT_Full
;
947 // Read 2x to clear latched state
948 a
= sw_r32(RTL930X_EEEP_PORT_CTRL(port
));
949 a
= sw_r32(RTL930X_EEEP_PORT_CTRL(port
));
950 pr_info("%s RTL930X_EEEP_PORT_CTRL: %08x\n", __func__
, a
);
955 static void rtl930x_init_eee(struct rtl838x_switch_priv
*priv
, bool enable
)
959 pr_info("Setting up EEE, state: %d\n", enable
);
961 // Setup EEE on all ports
962 for (i
= 0; i
< priv
->cpu_port
; i
++) {
963 if (priv
->ports
[i
].phy
)
964 rtl930x_port_eee_set(priv
, i
, enable
);
967 priv
->eee_enabled
= enable
;
969 #define HASH_PICK(val, lsb, len) ((val & (((1 << len) - 1) << lsb)) >> lsb)
971 static u32
rtl930x_l3_hash4(u32 ip
, int algorithm
, bool move_dip
)
977 memset(rows
, 0, sizeof(rows
));
979 rows
[0] = HASH_PICK(ip
, 27, 5);
980 rows
[1] = HASH_PICK(ip
, 18, 9);
981 rows
[2] = HASH_PICK(ip
, 9, 9);
984 rows
[3] = HASH_PICK(ip
, 0, 9);
987 hash
= rows
[0] ^ rows
[1] ^ rows
[2] ^ rows
[3];
989 s0
= rows
[0] + rows
[1] + rows
[2];
990 s1
= (s0
& 0x1ff) + ((s0
& (0x1ff << 9)) >> 9);
991 pH
= (s1
& 0x1ff) + ((s1
& (0x1ff << 9)) >> 9);
997 static u32
rtl930x_l3_hash6(struct in6_addr
*ip6
, int algorithm
, bool move_dip
)
1003 rows
[0] = (HASH_PICK(ip6
->s6_addr
[0], 6, 2) << 0);
1004 rows
[1] = (HASH_PICK(ip6
->s6_addr
[0], 0, 6) << 3) | HASH_PICK(ip6
->s6_addr
[1], 5, 3);
1005 rows
[2] = (HASH_PICK(ip6
->s6_addr
[1], 0, 5) << 4) | HASH_PICK(ip6
->s6_addr
[2], 4, 4);
1006 rows
[3] = (HASH_PICK(ip6
->s6_addr
[2], 0, 4) << 5) | HASH_PICK(ip6
->s6_addr
[3], 3, 5);
1007 rows
[4] = (HASH_PICK(ip6
->s6_addr
[3], 0, 3) << 6) | HASH_PICK(ip6
->s6_addr
[4], 2, 6);
1008 rows
[5] = (HASH_PICK(ip6
->s6_addr
[4], 0, 2) << 7) | HASH_PICK(ip6
->s6_addr
[5], 1, 7);
1009 rows
[6] = (HASH_PICK(ip6
->s6_addr
[5], 0, 1) << 8) | HASH_PICK(ip6
->s6_addr
[6], 0, 8);
1010 rows
[7] = (HASH_PICK(ip6
->s6_addr
[7], 0, 8) << 1) | HASH_PICK(ip6
->s6_addr
[8], 7, 1);
1011 rows
[8] = (HASH_PICK(ip6
->s6_addr
[8], 0, 7) << 2) | HASH_PICK(ip6
->s6_addr
[9], 6, 2);
1012 rows
[9] = (HASH_PICK(ip6
->s6_addr
[9], 0, 6) << 3) | HASH_PICK(ip6
->s6_addr
[10], 5, 3);
1013 rows
[10] = (HASH_PICK(ip6
->s6_addr
[10], 0, 5) << 4) | HASH_PICK(ip6
->s6_addr
[11], 4, 4);
1015 rows
[11] = (HASH_PICK(ip6
->s6_addr
[11], 0, 4) << 5)
1016 | (HASH_PICK(ip6
->s6_addr
[12], 3, 5) << 0);
1017 rows
[12] = (HASH_PICK(ip6
->s6_addr
[12], 0, 3) << 6)
1018 | (HASH_PICK(ip6
->s6_addr
[13], 2, 6) << 0);
1019 rows
[13] = (HASH_PICK(ip6
->s6_addr
[13], 0, 2) << 7)
1020 | (HASH_PICK(ip6
->s6_addr
[14], 1, 7) << 0);
1022 rows
[14] = (HASH_PICK(ip6
->s6_addr
[14], 0, 1) << 8)
1023 | (HASH_PICK(ip6
->s6_addr
[15], 0, 8) << 0);
1025 hash
= rows
[0] ^ rows
[1] ^ rows
[2] ^ rows
[3] ^ rows
[4] ^ rows
[5] ^ rows
[6]
1026 ^ rows
[7] ^ rows
[8] ^ rows
[9] ^ rows
[10] ^ rows
[11] ^ rows
[12]
1027 ^ rows
[13] ^ rows
[14];
1029 rows
[11] = (HASH_PICK(ip6
->s6_addr
[11], 0, 4) << 5);
1030 rows
[12] = (HASH_PICK(ip6
->s6_addr
[12], 3, 5) << 0);
1031 rows
[13] = (HASH_PICK(ip6
->s6_addr
[12], 0, 3) << 6)
1032 | HASH_PICK(ip6
->s6_addr
[13], 2, 6);
1033 rows
[14] = (HASH_PICK(ip6
->s6_addr
[13], 0, 2) << 7)
1034 | HASH_PICK(ip6
->s6_addr
[14], 1, 7);
1036 rows
[15] = (HASH_PICK(ip6
->s6_addr
[14], 0, 1) << 8)
1037 | (HASH_PICK(ip6
->s6_addr
[15], 0, 8) << 0);
1039 s0
= rows
[12] + rows
[13] + rows
[14];
1040 s1
= (s0
& 0x1ff) + ((s0
& (0x1ff << 9)) >> 9);
1041 pH
= (s1
& 0x1ff) + ((s1
& (0x1ff << 9)) >> 9);
1042 hash
= rows
[0] ^ rows
[1] ^ rows
[2] ^ rows
[3] ^ rows
[4] ^ rows
[5] ^ rows
[6]
1043 ^ rows
[7] ^ rows
[8] ^ rows
[9] ^ rows
[10] ^ rows
[11] ^ pH
^ rows
[15];
1049 * Read a prefix route entry from the L3_PREFIX_ROUTE_IPUC table
1050 * We currently only support IPv4 and IPv6 unicast route
1052 static void rtl930x_route_read(int idx
, struct rtl83xx_route
*rt
)
1055 bool host_route
, default_route
;
1056 struct in6_addr ip6_m
;
1058 // Read L3_PREFIX_ROUTE_IPUC table (2) via register RTL9300_TBL_1
1059 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_1
, 2);
1061 rtl_table_read(r
, idx
);
1062 // The table has a size of 11 registers
1063 rt
->attr
.valid
= !!(sw_r32(rtl_table_data(r
, 0)) & BIT(31));
1064 if (!rt
->attr
.valid
)
1067 rt
->attr
.type
= (sw_r32(rtl_table_data(r
, 0)) >> 29) & 0x3;
1069 v
= sw_r32(rtl_table_data(r
, 10));
1070 host_route
= !!(v
& BIT(21));
1071 default_route
= !!(v
& BIT(20));
1072 rt
->prefix_len
= -1;
1073 pr_info("%s: host route %d, default_route %d\n", __func__
, host_route
, default_route
);
1075 switch (rt
->attr
.type
) {
1076 case 0: // IPv4 Unicast route
1077 rt
->dst_ip
= sw_r32(rtl_table_data(r
, 4));
1078 ip4_m
= sw_r32(rtl_table_data(r
, 9));
1079 pr_info("%s: Read ip4 mask: %08x\n", __func__
, ip4_m
);
1080 rt
->prefix_len
= host_route
? 32 : -1;
1081 rt
->prefix_len
= (rt
->prefix_len
< 0 && default_route
) ? 0 : -1;
1082 if (rt
->prefix_len
< 0)
1083 rt
->prefix_len
= inet_mask_len(ip4_m
);
1085 case 2: // IPv6 Unicast route
1086 ipv6_addr_set(&rt
->dst_ip6
,
1087 sw_r32(rtl_table_data(r
, 1)), sw_r32(rtl_table_data(r
, 2)),
1088 sw_r32(rtl_table_data(r
, 3)), sw_r32(rtl_table_data(r
, 4)));
1089 ipv6_addr_set(&ip6_m
,
1090 sw_r32(rtl_table_data(r
, 6)), sw_r32(rtl_table_data(r
, 7)),
1091 sw_r32(rtl_table_data(r
, 8)), sw_r32(rtl_table_data(r
, 9)));
1092 rt
->prefix_len
= host_route
? 128 : 0;
1093 rt
->prefix_len
= (rt
->prefix_len
< 0 && default_route
) ? 0 : -1;
1094 if (rt
->prefix_len
< 0)
1095 rt
->prefix_len
= find_last_bit((unsigned long int *)&ip6_m
.s6_addr32
,
1098 case 1: // IPv4 Multicast route
1099 case 3: // IPv6 Multicast route
1100 pr_warn("%s: route type not supported\n", __func__
);
1104 rt
->attr
.hit
= !!(v
& BIT(22));
1105 rt
->attr
.action
= (v
>> 18) & 3;
1106 rt
->nh
.id
= (v
>> 7) & 0x7ff;
1107 rt
->attr
.ttl_dec
= !!(v
& BIT(6));
1108 rt
->attr
.ttl_check
= !!(v
& BIT(5));
1109 rt
->attr
.dst_null
= !!(v
& BIT(4));
1110 rt
->attr
.qos_as
= !!(v
& BIT(3));
1111 rt
->attr
.qos_prio
= v
& 0x7;
1112 pr_info("%s: index %d is valid: %d\n", __func__
, idx
, rt
->attr
.valid
);
1113 pr_info("%s: next_hop: %d, hit: %d, action :%d, ttl_dec %d, ttl_check %d, dst_null %d\n",
1114 __func__
, rt
->nh
.id
, rt
->attr
.hit
, rt
->attr
.action
,
1115 rt
->attr
.ttl_dec
, rt
->attr
.ttl_check
, rt
->attr
.dst_null
);
1116 pr_info("%s: GW: %pI4, prefix_len: %d\n", __func__
, &rt
->dst_ip
, rt
->prefix_len
);
1118 rtl_table_release(r
);
1121 static void rtl930x_net6_mask(int prefix_len
, struct in6_addr
*ip6_m
)
1124 // Define network mask
1125 o
= prefix_len
>> 3;
1126 b
= prefix_len
& 0x7;
1127 memset(ip6_m
->s6_addr
, 0xff, o
);
1128 ip6_m
->s6_addr
[o
] |= b
? 0xff00 >> b
: 0x00;
1132 * Read a host route entry from the table using its index
1133 * We currently only support IPv4 and IPv6 unicast route
1135 static void rtl930x_host_route_read(int idx
, struct rtl83xx_route
*rt
)
1138 // Read L3_HOST_ROUTE_IPUC table (1) via register RTL9300_TBL_1
1139 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_1
, 1);
1141 idx
= ((idx
/ 6) * 8) + (idx
% 6);
1143 pr_debug("In %s, physical index %d\n", __func__
, idx
);
1144 rtl_table_read(r
, idx
);
1145 // The table has a size of 5 (for UC, 11 for MC) registers
1146 v
= sw_r32(rtl_table_data(r
, 0));
1147 rt
->attr
.valid
= !!(v
& BIT(31));
1148 if (!rt
->attr
.valid
)
1150 rt
->attr
.type
= (v
>> 29) & 0x3;
1151 switch (rt
->attr
.type
) {
1152 case 0: // IPv4 Unicast route
1153 rt
->dst_ip
= sw_r32(rtl_table_data(r
, 4));
1155 case 2: // IPv6 Unicast route
1156 ipv6_addr_set(&rt
->dst_ip6
,
1157 sw_r32(rtl_table_data(r
, 3)), sw_r32(rtl_table_data(r
, 2)),
1158 sw_r32(rtl_table_data(r
, 1)), sw_r32(rtl_table_data(r
, 0)));
1160 case 1: // IPv4 Multicast route
1161 case 3: // IPv6 Multicast route
1162 pr_warn("%s: route type not supported\n", __func__
);
1166 rt
->attr
.hit
= !!(v
& BIT(20));
1167 rt
->attr
.dst_null
= !!(v
& BIT(19));
1168 rt
->attr
.action
= (v
>> 17) & 3;
1169 rt
->nh
.id
= (v
>> 6) & 0x7ff;
1170 rt
->attr
.ttl_dec
= !!(v
& BIT(5));
1171 rt
->attr
.ttl_check
= !!(v
& BIT(4));
1172 rt
->attr
.qos_as
= !!(v
& BIT(3));
1173 rt
->attr
.qos_prio
= v
& 0x7;
1174 pr_debug("%s: index %d is valid: %d\n", __func__
, idx
, rt
->attr
.valid
);
1175 pr_debug("%s: next_hop: %d, hit: %d, action :%d, ttl_dec %d, ttl_check %d, dst_null %d\n",
1176 __func__
, rt
->nh
.id
, rt
->attr
.hit
, rt
->attr
.action
, rt
->attr
.ttl_dec
, rt
->attr
.ttl_check
,
1178 pr_debug("%s: Destination: %pI4\n", __func__
, &rt
->dst_ip
);
1181 rtl_table_release(r
);
1185 * Write a host route entry from the table using its index
1186 * We currently only support IPv4 and IPv6 unicast route
1188 static void rtl930x_host_route_write(int idx
, struct rtl83xx_route
*rt
)
1191 // Access L3_HOST_ROUTE_IPUC table (1) via register RTL9300_TBL_1
1192 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_1
, 1);
1193 // The table has a size of 5 (for UC, 11 for MC) registers
1195 idx
= ((idx
/ 6) * 8) + (idx
% 6);
1197 pr_debug("%s: index %d is valid: %d\n", __func__
, idx
, rt
->attr
.valid
);
1198 pr_debug("%s: next_hop: %d, hit: %d, action :%d, ttl_dec %d, ttl_check %d, dst_null %d\n",
1199 __func__
, rt
->nh
.id
, rt
->attr
.hit
, rt
->attr
.action
, rt
->attr
.ttl_dec
, rt
->attr
.ttl_check
,
1201 pr_debug("%s: GW: %pI4, prefix_len: %d\n", __func__
, &rt
->dst_ip
, rt
->prefix_len
);
1203 v
= BIT(31); // Entry is valid
1204 v
|= (rt
->attr
.type
& 0x3) << 29;
1205 v
|= rt
->attr
.hit
? BIT(20) : 0;
1206 v
|= rt
->attr
.dst_null
? BIT(19) : 0;
1207 v
|= (rt
->attr
.action
& 0x3) << 17;
1208 v
|= (rt
->nh
.id
& 0x7ff) << 6;
1209 v
|= rt
->attr
.ttl_dec
? BIT(5) : 0;
1210 v
|= rt
->attr
.ttl_check
? BIT(4) : 0;
1211 v
|= rt
->attr
.qos_as
? BIT(3) : 0;
1212 v
|= rt
->attr
.qos_prio
& 0x7;
1214 sw_w32(v
, rtl_table_data(r
, 0));
1215 switch (rt
->attr
.type
) {
1216 case 0: // IPv4 Unicast route
1217 sw_w32(0, rtl_table_data(r
, 1));
1218 sw_w32(0, rtl_table_data(r
, 2));
1219 sw_w32(0, rtl_table_data(r
, 3));
1220 sw_w32(rt
->dst_ip
, rtl_table_data(r
, 4));
1222 case 2: // IPv6 Unicast route
1223 sw_w32(rt
->dst_ip6
.s6_addr32
[0], rtl_table_data(r
, 1));
1224 sw_w32(rt
->dst_ip6
.s6_addr32
[1], rtl_table_data(r
, 2));
1225 sw_w32(rt
->dst_ip6
.s6_addr32
[2], rtl_table_data(r
, 3));
1226 sw_w32(rt
->dst_ip6
.s6_addr32
[3], rtl_table_data(r
, 4));
1228 case 1: // IPv4 Multicast route
1229 case 3: // IPv6 Multicast route
1230 pr_warn("%s: route type not supported\n", __func__
);
1234 rtl_table_write(r
, idx
);
1237 rtl_table_release(r
);
1241 * Look up the index of a prefix route in the routing table CAM for unicast IPv4/6 routes
1242 * using hardware offload.
1244 static int rtl930x_route_lookup_hw(struct rtl83xx_route
*rt
)
1247 struct in6_addr ip6_m
;
1250 if (rt
->attr
.type
== 1 || rt
->attr
.type
== 3) // Hardware only supports UC routes
1253 sw_w32_mask(0x3 << 19, rt
->attr
.type
, RTL930X_L3_HW_LU_KEY_CTRL
);
1254 if (rt
->attr
.type
) { // IPv6
1255 rtl930x_net6_mask(rt
->prefix_len
, &ip6_m
);
1256 for (i
= 0; i
< 4; i
++)
1257 sw_w32(rt
->dst_ip6
.s6_addr32
[0] & ip6_m
.s6_addr32
[0],
1258 RTL930X_L3_HW_LU_KEY_IP_CTRL
+ (i
<< 2));
1260 ip4_m
= inet_make_mask(rt
->prefix_len
);
1261 sw_w32(0, RTL930X_L3_HW_LU_KEY_IP_CTRL
);
1262 sw_w32(0, RTL930X_L3_HW_LU_KEY_IP_CTRL
+ 4);
1263 sw_w32(0, RTL930X_L3_HW_LU_KEY_IP_CTRL
+ 8);
1264 v
= rt
->dst_ip
& ip4_m
;
1265 pr_info("%s: searching for %pI4\n", __func__
, &v
);
1266 sw_w32(v
, RTL930X_L3_HW_LU_KEY_IP_CTRL
+ 12);
1269 // Execute CAM lookup in SoC
1270 sw_w32(BIT(15), RTL930X_L3_HW_LU_CTRL
);
1272 // Wait until execute bit clears and result is ready
1274 v
= sw_r32(RTL930X_L3_HW_LU_CTRL
);
1275 } while (v
& BIT(15));
1277 pr_info("%s: found: %d, index: %d\n", __func__
, !!(v
& BIT(14)), v
& 0x1ff);
1279 // Test if search successful (BIT 14 set)
1286 static int rtl930x_find_l3_slot(struct rtl83xx_route
*rt
, bool must_exist
)
1288 int t
, s
, slot_width
, algorithm
, addr
, idx
;
1290 struct rtl83xx_route route_entry
;
1292 // IPv6 entries take up 3 slots
1293 slot_width
= (rt
->attr
.type
== 0) || (rt
->attr
.type
== 2) ? 1 : 3;
1295 for (t
= 0; t
< 2; t
++) {
1296 algorithm
= (sw_r32(RTL930X_L3_HOST_TBL_CTRL
) >> (2 + t
)) & 0x1;
1297 hash
= rtl930x_l3_hash4(rt
->dst_ip
, algorithm
, false);
1299 pr_debug("%s: table %d, algorithm %d, hash %04x\n", __func__
, t
, algorithm
, hash
);
1301 for (s
= 0; s
< 6; s
+= slot_width
) {
1302 addr
= (t
<< 12) | ((hash
& 0x1ff) << 3) | s
;
1303 pr_debug("%s physical address %d\n", __func__
, addr
);
1304 idx
= ((addr
/ 8) * 6) + (addr
% 8);
1305 pr_debug("%s logical address %d\n", __func__
, idx
);
1307 rtl930x_host_route_read(idx
, &route_entry
);
1308 pr_debug("%s route valid %d, route dest: %pI4, hit %d\n", __func__
,
1309 rt
->attr
.valid
, &rt
->dst_ip
, rt
->attr
.hit
);
1310 if (!must_exist
&& rt
->attr
.valid
)
1312 if (must_exist
&& route_entry
.dst_ip
== rt
->dst_ip
)
1321 * Write a prefix route into the routing table CAM at position idx
1322 * Currently only IPv4 and IPv6 unicast routes are supported
1324 static void rtl930x_route_write(int idx
, struct rtl83xx_route
*rt
)
1327 struct in6_addr ip6_m
;
1328 // Access L3_PREFIX_ROUTE_IPUC table (2) via register RTL9300_TBL_1
1329 // The table has a size of 11 registers (20 for MC)
1330 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_1
, 2);
1332 pr_debug("%s: index %d is valid: %d\n", __func__
, idx
, rt
->attr
.valid
);
1333 pr_debug("%s: nexthop: %d, hit: %d, action :%d, ttl_dec %d, ttl_check %d, dst_null %d\n",
1334 __func__
, rt
->nh
.id
, rt
->attr
.hit
, rt
->attr
.action
,
1335 rt
->attr
.ttl_dec
, rt
->attr
.ttl_check
, rt
->attr
.dst_null
);
1336 pr_debug("%s: GW: %pI4, prefix_len: %d\n", __func__
, &rt
->dst_ip
, rt
->prefix_len
);
1338 v
= rt
->attr
.valid
? BIT(31) : 0;
1339 v
|= (rt
->attr
.type
& 0x3) << 29;
1340 sw_w32(v
, rtl_table_data(r
, 0));
1342 v
= rt
->attr
.hit
? BIT(22) : 0;
1343 v
|= (rt
->attr
.action
& 0x3) << 18;
1344 v
|= (rt
->nh
.id
& 0x7ff) << 7;
1345 v
|= rt
->attr
.ttl_dec
? BIT(6) : 0;
1346 v
|= rt
->attr
.ttl_check
? BIT(5) : 0;
1347 v
|= rt
->attr
.dst_null
? BIT(6) : 0;
1348 v
|= rt
->attr
.qos_as
? BIT(6) : 0;
1349 v
|= rt
->attr
.qos_prio
& 0x7;
1350 v
|= rt
->prefix_len
== 0 ? BIT(20) : 0; // set default route bit
1352 // set bit mask for entry type always to 0x3
1353 sw_w32(0x3 << 29, rtl_table_data(r
, 5));
1355 switch (rt
->attr
.type
) {
1356 case 0: // IPv4 Unicast route
1357 sw_w32(0, rtl_table_data(r
, 1));
1358 sw_w32(0, rtl_table_data(r
, 2));
1359 sw_w32(0, rtl_table_data(r
, 3));
1360 sw_w32(rt
->dst_ip
, rtl_table_data(r
, 4));
1362 v
|= rt
->prefix_len
== 32 ? BIT(21) : 0; // set host-route bit
1363 ip4_m
= inet_make_mask(rt
->prefix_len
);
1364 sw_w32(0, rtl_table_data(r
, 6));
1365 sw_w32(0, rtl_table_data(r
, 7));
1366 sw_w32(0, rtl_table_data(r
, 8));
1367 sw_w32(ip4_m
, rtl_table_data(r
, 9));
1369 case 2: // IPv6 Unicast route
1370 sw_w32(rt
->dst_ip6
.s6_addr32
[0], rtl_table_data(r
, 1));
1371 sw_w32(rt
->dst_ip6
.s6_addr32
[1], rtl_table_data(r
, 2));
1372 sw_w32(rt
->dst_ip6
.s6_addr32
[2], rtl_table_data(r
, 3));
1373 sw_w32(rt
->dst_ip6
.s6_addr32
[3], rtl_table_data(r
, 4));
1375 v
|= rt
->prefix_len
== 128 ? BIT(21) : 0; // set host-route bit
1377 rtl930x_net6_mask(rt
->prefix_len
, &ip6_m
);
1379 sw_w32(ip6_m
.s6_addr32
[0], rtl_table_data(r
, 6));
1380 sw_w32(ip6_m
.s6_addr32
[1], rtl_table_data(r
, 7));
1381 sw_w32(ip6_m
.s6_addr32
[2], rtl_table_data(r
, 8));
1382 sw_w32(ip6_m
.s6_addr32
[3], rtl_table_data(r
, 9));
1384 case 1: // IPv4 Multicast route
1385 case 3: // IPv6 Multicast route
1386 pr_warn("%s: route type not supported\n", __func__
);
1387 rtl_table_release(r
);
1390 sw_w32(v
, rtl_table_data(r
, 10));
1392 pr_debug("%s: %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x\n", __func__
,
1393 sw_r32(rtl_table_data(r
, 0)), sw_r32(rtl_table_data(r
, 1)), sw_r32(rtl_table_data(r
, 2)),
1394 sw_r32(rtl_table_data(r
, 3)), sw_r32(rtl_table_data(r
, 4)), sw_r32(rtl_table_data(r
, 5)),
1395 sw_r32(rtl_table_data(r
, 6)), sw_r32(rtl_table_data(r
, 7)), sw_r32(rtl_table_data(r
, 8)),
1396 sw_r32(rtl_table_data(r
, 9)), sw_r32(rtl_table_data(r
, 10)));
1398 rtl_table_write(r
, idx
);
1399 rtl_table_release(r
);
1404 * Get the destination MAC and L3 egress interface ID of a nexthop entry from
1405 * the SoC's L3_NEXTHOP table
1407 static void rtl930x_get_l3_nexthop(int idx
, u16
*dmac_id
, u16
*interface
)
1410 // Read L3_NEXTHOP table (3) via register RTL9300_TBL_1
1411 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_1
, 3);
1413 rtl_table_read(r
, idx
);
1414 // The table has a size of 1 register
1415 v
= sw_r32(rtl_table_data(r
, 0));
1416 rtl_table_release(r
);
1418 *dmac_id
= (v
>> 7) & 0x7fff;
1419 *interface
= v
& 0x7f;
1422 static int rtl930x_l3_mtu_del(struct rtl838x_switch_priv
*priv
, int mtu
)
1426 for (i
= 0; i
< MAX_INTF_MTUS
; i
++) {
1427 if (mtu
== priv
->intf_mtus
[i
])
1430 if (i
>= MAX_INTF_MTUS
|| !priv
->intf_mtu_count
[i
]) {
1431 pr_err("%s: No MTU slot found for MTU: %d\n", __func__
, mtu
);
1435 priv
->intf_mtu_count
[i
]--;
1438 static int rtl930x_l3_mtu_add(struct rtl838x_switch_priv
*priv
, int mtu
)
1443 // Try to find an existing mtu-value or a free slot
1444 free_mtu
= MAX_INTF_MTUS
;
1445 for (i
= 0; i
< MAX_INTF_MTUS
&& priv
->intf_mtus
[i
] != mtu
; i
++) {
1446 if ((!priv
->intf_mtu_count
[i
]) && (free_mtu
== MAX_INTF_MTUS
))
1449 i
= (i
< MAX_INTF_MTUS
) ? i
: free_mtu
;
1450 if (i
< MAX_INTF_MTUS
) {
1453 pr_err("%s: No free MTU slot available!\n", __func__
);
1457 priv
->intf_mtus
[i
] = mtu
;
1458 pr_info("Writing MTU %d to slot %d\n", priv
->intf_mtus
[i
], i
);
1459 // Set MTU-value of the slot TODO: distinguish between IPv4/IPv6 routes / slots
1460 sw_w32_mask(0xffff << ((i
% 2) * 16), priv
->intf_mtus
[i
] << ((i
% 2) * 16),
1461 RTL930X_L3_IP_MTU_CTRL(i
));
1462 sw_w32_mask(0xffff << ((i
% 2) * 16), priv
->intf_mtus
[i
] << ((i
% 2) * 16),
1463 RTL930X_L3_IP6_MTU_CTRL(i
));
1465 priv
->intf_mtu_count
[i
]++;
1471 * Creates an interface for a route by setting up the HW tables in the SoC
1473 static int rtl930x_l3_intf_add(struct rtl838x_switch_priv
*priv
, struct rtl838x_l3_intf
*intf
)
1475 int i
, intf_id
, mtu_id
;
1476 // number of MTU-values < 16384
1478 // Use the same IPv6 mtu as the ip4 mtu for this route if unset
1479 intf
->ip6_mtu
= intf
->ip6_mtu
? intf
->ip6_mtu
: intf
->ip4_mtu
;
1481 mtu_id
= rtl930x_l3_mtu_add(priv
, intf
->ip4_mtu
);
1482 pr_info("%s: added mtu %d with mtu-id %d\n", __func__
, intf
->ip4_mtu
, mtu_id
);
1485 intf
->ip4_mtu_id
= mtu_id
;
1486 intf
->ip6_mtu_id
= mtu_id
;
1488 for (i
= 0; i
< MAX_INTERFACES
; i
++) {
1489 if (!priv
->interfaces
[i
])
1492 if (i
>= MAX_INTERFACES
) {
1493 pr_err("%s: cannot find free interface entry\n", __func__
);
1497 priv
->interfaces
[i
] = kzalloc(sizeof(struct rtl838x_l3_intf
), GFP_KERNEL
);
1498 if (!priv
->interfaces
[i
]) {
1499 pr_err("%s: no memory to allocate new interface\n", __func__
);
1505 * Set the destination MAC and L3 egress interface ID for a nexthop entry in the SoC's
1506 * L3_NEXTHOP table. The nexthop entry is identified by idx.
1507 * dmac_id is the reference to the L2 entry in the L2 forwarding table, special values are
1509 * 0x7ffd: TRAP2MASTERCPU
1510 * 0x7fff: DMAC_ID_DROP
1512 static void rtl930x_set_l3_nexthop(int idx
, u16 dmac_id
, u16 interface
)
1514 // Access L3_NEXTHOP table (3) via register RTL9300_TBL_1
1515 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_1
, 3);
1517 pr_info("%s: Writing to L3_NEXTHOP table, index %d, dmac_id %d, interface %d\n",
1518 __func__
, idx
, dmac_id
, interface
);
1519 sw_w32(((dmac_id
& 0x7fff) << 7) | (interface
& 0x7f), rtl_table_data(r
, 0));
1521 pr_info("%s: %08x\n", __func__
, sw_r32(rtl_table_data(r
,0)));
1522 rtl_table_write(r
, idx
);
1523 rtl_table_release(r
);
1526 static void rtl930x_pie_lookup_enable(struct rtl838x_switch_priv
*priv
, int index
)
1528 int block
= index
/ PIE_BLOCK_SIZE
;
1530 sw_w32_mask(0, BIT(block
), RTL930X_PIE_BLK_LOOKUP_CTRL
);
1534 * Reads the intermediate representation of the templated match-fields of the
1535 * PIE rule in the pie_rule structure and fills in the raw data fields in the
1536 * raw register space r[].
1537 * The register space configuration size is identical for the RTL8380/90 and RTL9300,
1538 * however the RTL9310 has 2 more registers / fields and the physical field-ids are different
1540 * On the RTL9300 the mask fields are not word-aligend!
1542 static void rtl930x_write_pie_templated(u32 r
[], struct pie_rule
*pr
, enum template_field_id t
[])
1545 enum template_field_id field_type
;
1548 for (i
= 0; i
< N_FIXED_FIELDS
; i
++) {
1552 switch (field_type
) {
1553 case TEMPLATE_FIELD_SPM0
:
1557 case TEMPLATE_FIELD_SPM1
:
1558 data
= pr
->spm
>> 16;
1559 data_m
= pr
->spm_m
>> 16;
1561 case TEMPLATE_FIELD_OTAG
:
1563 data_m
= pr
->otag_m
;
1565 case TEMPLATE_FIELD_SMAC0
:
1567 data
= (data
<< 8) | pr
->smac
[5];
1568 data_m
= pr
->smac_m
[4];
1569 data_m
= (data_m
<< 8) | pr
->smac_m
[5];
1571 case TEMPLATE_FIELD_SMAC1
:
1573 data
= (data
<< 8) | pr
->smac
[3];
1574 data_m
= pr
->smac_m
[2];
1575 data_m
= (data_m
<< 8) | pr
->smac_m
[3];
1577 case TEMPLATE_FIELD_SMAC2
:
1579 data
= (data
<< 8) | pr
->smac
[1];
1580 data_m
= pr
->smac_m
[0];
1581 data_m
= (data_m
<< 8) | pr
->smac_m
[1];
1583 case TEMPLATE_FIELD_DMAC0
:
1585 data
= (data
<< 8) | pr
->dmac
[5];
1586 data_m
= pr
->dmac_m
[4];
1587 data_m
= (data_m
<< 8) | pr
->dmac_m
[5];
1589 case TEMPLATE_FIELD_DMAC1
:
1591 data
= (data
<< 8) | pr
->dmac
[3];
1592 data_m
= pr
->dmac_m
[2];
1593 data_m
= (data_m
<< 8) | pr
->dmac_m
[3];
1595 case TEMPLATE_FIELD_DMAC2
:
1597 data
= (data
<< 8) | pr
->dmac
[1];
1598 data_m
= pr
->dmac_m
[0];
1599 data_m
= (data_m
<< 8) | pr
->dmac_m
[1];
1601 case TEMPLATE_FIELD_ETHERTYPE
:
1602 data
= pr
->ethertype
;
1603 data_m
= pr
->ethertype_m
;
1605 case TEMPLATE_FIELD_ITAG
:
1607 data_m
= pr
->itag_m
;
1609 case TEMPLATE_FIELD_SIP0
:
1611 data
= pr
->sip6
.s6_addr16
[7];
1612 data_m
= pr
->sip6_m
.s6_addr16
[7];
1618 case TEMPLATE_FIELD_SIP1
:
1620 data
= pr
->sip6
.s6_addr16
[6];
1621 data_m
= pr
->sip6_m
.s6_addr16
[6];
1623 data
= pr
->sip
>> 16;
1624 data_m
= pr
->sip_m
>> 16;
1628 case TEMPLATE_FIELD_SIP2
:
1629 case TEMPLATE_FIELD_SIP3
:
1630 case TEMPLATE_FIELD_SIP4
:
1631 case TEMPLATE_FIELD_SIP5
:
1632 case TEMPLATE_FIELD_SIP6
:
1633 case TEMPLATE_FIELD_SIP7
:
1634 data
= pr
->sip6
.s6_addr16
[5 - (field_type
- TEMPLATE_FIELD_SIP2
)];
1635 data_m
= pr
->sip6_m
.s6_addr16
[5 - (field_type
- TEMPLATE_FIELD_SIP2
)];
1638 case TEMPLATE_FIELD_DIP0
:
1640 data
= pr
->dip6
.s6_addr16
[7];
1641 data_m
= pr
->dip6_m
.s6_addr16
[7];
1648 case TEMPLATE_FIELD_DIP1
:
1650 data
= pr
->dip6
.s6_addr16
[6];
1651 data_m
= pr
->dip6_m
.s6_addr16
[6];
1653 data
= pr
->dip
>> 16;
1654 data_m
= pr
->dip_m
>> 16;
1658 case TEMPLATE_FIELD_DIP2
:
1659 case TEMPLATE_FIELD_DIP3
:
1660 case TEMPLATE_FIELD_DIP4
:
1661 case TEMPLATE_FIELD_DIP5
:
1662 case TEMPLATE_FIELD_DIP6
:
1663 case TEMPLATE_FIELD_DIP7
:
1664 data
= pr
->dip6
.s6_addr16
[5 - (field_type
- TEMPLATE_FIELD_DIP2
)];
1665 data_m
= pr
->dip6_m
.s6_addr16
[5 - (field_type
- TEMPLATE_FIELD_DIP2
)];
1668 case TEMPLATE_FIELD_IP_TOS_PROTO
:
1669 data
= pr
->tos_proto
;
1670 data_m
= pr
->tos_proto_m
;
1672 case TEMPLATE_FIELD_L4_SPORT
:
1674 data_m
= pr
->sport_m
;
1676 case TEMPLATE_FIELD_L4_DPORT
:
1678 data_m
= pr
->dport_m
;
1680 case TEMPLATE_FIELD_DSAP_SSAP
:
1681 data
= pr
->dsap_ssap
;
1682 data_m
= pr
->dsap_ssap_m
;
1684 case TEMPLATE_FIELD_TCP_INFO
:
1685 data
= pr
->tcp_info
;
1686 data_m
= pr
->tcp_info_m
;
1688 case TEMPLATE_FIELD_RANGE_CHK
:
1689 pr_warn("Warning: TEMPLATE_FIELD_RANGE_CHK: not configured\n");
1692 pr_info("%s: unknown field %d\n", __func__
, field_type
);
1695 // On the RTL9300, the mask fields are not word aligned!
1697 r
[5 - i
/ 2] = data
;
1698 r
[12 - i
/ 2] |= ((u32
)data_m
<< 8);
1700 r
[5 - i
/ 2] |= ((u32
)data
) << 16;
1701 r
[12 - i
/ 2] |= ((u32
)data_m
) << 24;
1702 r
[11 - i
/ 2] |= ((u32
)data_m
) >> 8;
1707 static void rtl930x_read_pie_fixed_fields(u32 r
[], struct pie_rule
*pr
)
1709 pr
->stacking_port
= r
[6] & BIT(31);
1710 pr
->spn
= (r
[6] >> 24) & 0x7f;
1711 pr
->mgnt_vlan
= r
[6] & BIT(23);
1712 if (pr
->phase
== PHASE_IACL
)
1713 pr
->dmac_hit_sw
= r
[6] & BIT(22);
1715 pr
->content_too_deep
= r
[6] & BIT(22);
1716 pr
->not_first_frag
= r
[6] & BIT(21);
1717 pr
->frame_type_l4
= (r
[6] >> 18) & 7;
1718 pr
->frame_type
= (r
[6] >> 16) & 3;
1719 pr
->otag_fmt
= (r
[6] >> 15) & 1;
1720 pr
->itag_fmt
= (r
[6] >> 14) & 1;
1721 pr
->otag_exist
= (r
[6] >> 13) & 1;
1722 pr
->itag_exist
= (r
[6] >> 12) & 1;
1723 pr
->frame_type_l2
= (r
[6] >> 10) & 3;
1724 pr
->igr_normal_port
= (r
[6] >> 9) & 1;
1725 pr
->tid
= (r
[6] >> 8) & 1;
1727 pr
->stacking_port_m
= r
[12] & BIT(7);
1728 pr
->spn_m
= r
[12] & 0x7f;
1729 pr
->mgnt_vlan_m
= r
[13] & BIT(31);
1730 if (pr
->phase
== PHASE_IACL
)
1731 pr
->dmac_hit_sw_m
= r
[13] & BIT(30);
1733 pr
->content_too_deep_m
= r
[13] & BIT(30);
1734 pr
->not_first_frag_m
= r
[13] & BIT(29);
1735 pr
->frame_type_l4_m
= (r
[13] >> 26) & 7;
1736 pr
->frame_type_m
= (r
[13] >> 24) & 3;
1737 pr
->otag_fmt_m
= r
[13] & BIT(23);
1738 pr
->itag_fmt_m
= r
[13] & BIT(22);
1739 pr
->otag_exist_m
= r
[13] & BIT(21);
1740 pr
->itag_exist_m
= r
[13] & BIT (20);
1741 pr
->frame_type_l2_m
= (r
[13] >> 18) & 3;
1742 pr
->igr_normal_port_m
= r
[13] & BIT(17);
1743 pr
->tid_m
= (r
[13] >> 16) & 1;
1745 pr
->valid
= r
[13] & BIT(15);
1746 pr
->cond_not
= r
[13] & BIT(14);
1747 pr
->cond_and1
= r
[13] & BIT(13);
1748 pr
->cond_and2
= r
[13] & BIT(12);
1751 static void rtl930x_write_pie_fixed_fields(u32 r
[], struct pie_rule
*pr
)
1753 r
[6] = pr
->stacking_port
? BIT(31) : 0;
1754 r
[6] |= ((u32
) (pr
->spn
& 0x7f)) << 24;
1755 r
[6] |= pr
->mgnt_vlan
? BIT(23) : 0;
1756 if (pr
->phase
== PHASE_IACL
)
1757 r
[6] |= pr
->dmac_hit_sw
? BIT(22) : 0;
1759 r
[6] |= pr
->content_too_deep
? BIT(22) : 0;
1760 r
[6] |= pr
->not_first_frag
? BIT(21) : 0;
1761 r
[6] |= ((u32
) (pr
->frame_type_l4
& 0x7)) << 18;
1762 r
[6] |= ((u32
) (pr
->frame_type
& 0x3)) << 16;
1763 r
[6] |= pr
->otag_fmt
? BIT(15) : 0;
1764 r
[6] |= pr
->itag_fmt
? BIT(14) : 0;
1765 r
[6] |= pr
->otag_exist
? BIT(13) : 0;
1766 r
[6] |= pr
->itag_exist
? BIT(12) : 0;
1767 r
[6] |= ((u32
) (pr
->frame_type_l2
& 0x3)) << 10;
1768 r
[6] |= pr
->igr_normal_port
? BIT(9) : 0;
1769 r
[6] |= ((u32
) (pr
->tid
& 0x1)) << 8;
1771 r
[12] |= pr
->stacking_port_m
? BIT(7) : 0;
1772 r
[12] |= (u32
) (pr
->spn_m
& 0x7f);
1773 r
[13] |= pr
->mgnt_vlan_m
? BIT(31) : 0;
1774 if (pr
->phase
== PHASE_IACL
)
1775 r
[13] |= pr
->dmac_hit_sw_m
? BIT(30) : 0;
1777 r
[13] |= pr
->content_too_deep_m
? BIT(30) : 0;
1778 r
[13] |= pr
->not_first_frag_m
? BIT(29) : 0;
1779 r
[13] |= ((u32
) (pr
->frame_type_l4_m
& 0x7)) << 26;
1780 r
[13] |= ((u32
) (pr
->frame_type_m
& 0x3)) << 24;
1781 r
[13] |= pr
->otag_fmt_m
? BIT(23) : 0;
1782 r
[13] |= pr
->itag_fmt_m
? BIT(22) : 0;
1783 r
[13] |= pr
->otag_exist_m
? BIT(21) : 0;
1784 r
[13] |= pr
->itag_exist_m
? BIT(20) : 0;
1785 r
[13] |= ((u32
) (pr
->frame_type_l2_m
& 0x3)) << 18;
1786 r
[13] |= pr
->igr_normal_port_m
? BIT(17) : 0;
1787 r
[13] |= ((u32
) (pr
->tid_m
& 0x1)) << 16;
1789 r
[13] |= pr
->valid
? BIT(15) : 0;
1790 r
[13] |= pr
->cond_not
? BIT(14) : 0;
1791 r
[13] |= pr
->cond_and1
? BIT(13) : 0;
1792 r
[13] |= pr
->cond_and2
? BIT(12) : 0;
1795 static void rtl930x_write_pie_action(u32 r
[], struct pie_rule
*pr
)
1797 // Either drop or forward
1799 r
[14] |= BIT(24) | BIT(25) | BIT(26); // Do Green, Yellow and Red drops
1800 // Actually DROP, not PERMIT in Green / Yellow / Red
1801 r
[14] |= BIT(23) | BIT(22) | BIT(20);
1803 r
[14] |= pr
->fwd_sel
? BIT(27) : 0;
1804 r
[14] |= pr
->fwd_act
<< 18;
1805 r
[14] |= BIT(14); // We overwrite any drop
1807 if (pr
->phase
== PHASE_VACL
)
1808 r
[14] |= pr
->fwd_sa_lrn
? BIT(15) : 0;
1809 r
[13] |= pr
->bypass_sel
? BIT(5) : 0;
1810 r
[13] |= pr
->nopri_sel
? BIT(4) : 0;
1811 r
[13] |= pr
->tagst_sel
? BIT(3) : 0;
1812 r
[13] |= pr
->ovid_sel
? BIT(1) : 0;
1813 r
[14] |= pr
->ivid_sel
? BIT(31) : 0;
1814 r
[14] |= pr
->meter_sel
? BIT(30) : 0;
1815 r
[14] |= pr
->mir_sel
? BIT(29) : 0;
1816 r
[14] |= pr
->log_sel
? BIT(28) : 0;
1818 r
[14] |= ((u32
)(pr
->fwd_data
& 0x3fff)) << 3;
1819 r
[15] |= pr
->log_octets
? BIT(31) : 0;
1820 r
[15] |= (u32
)(pr
->meter_data
) << 23;
1822 r
[15] |= ((u32
)(pr
->ivid_act
) << 21) & 0x3;
1823 r
[15] |= ((u32
)(pr
->ivid_data
) << 9) & 0xfff;
1824 r
[16] |= ((u32
)(pr
->ovid_act
) << 30) & 0x3;
1825 r
[16] |= ((u32
)(pr
->ovid_data
) & 0xfff) << 16;
1826 r
[16] |= (pr
->mir_data
& 0x3) << 6;
1827 r
[17] |= ((u32
)(pr
->tagst_data
) & 0xf) << 28;
1828 r
[17] |= ((u32
)(pr
->nopri_data
) & 0x7) << 25;
1829 r
[17] |= pr
->bypass_ibc_sc
? BIT(16) : 0;
1832 void rtl930x_pie_rule_dump_raw(u32 r
[])
1834 pr_info("Raw IACL table entry:\n");
1835 pr_info("r 0 - 7: %08x %08x %08x %08x %08x %08x %08x %08x\n",
1836 r
[0], r
[1], r
[2], r
[3], r
[4], r
[5], r
[6], r
[7]);
1837 pr_info("r 8 - 15: %08x %08x %08x %08x %08x %08x %08x %08x\n",
1838 r
[8], r
[9], r
[10], r
[11], r
[12], r
[13], r
[14], r
[15]);
1839 pr_info("r 16 - 18: %08x %08x %08x\n", r
[16], r
[17], r
[18]);
1840 pr_info("Match : %08x %08x %08x %08x %08x %08x\n", r
[0], r
[1], r
[2], r
[3], r
[4], r
[5]);
1841 pr_info("Fixed : %06x\n", r
[6] >> 8);
1842 pr_info("Match M: %08x %08x %08x %08x %08x %08x\n",
1843 (r
[6] << 24) | (r
[7] >> 8), (r
[7] << 24) | (r
[8] >> 8), (r
[8] << 24) | (r
[9] >> 8),
1844 (r
[9] << 24) | (r
[10] >> 8), (r
[10] << 24) | (r
[11] >> 8),
1845 (r
[11] << 24) | (r
[12] >> 8));
1846 pr_info("R[13]: %08x\n", r
[13]);
1847 pr_info("Fixed M: %06x\n", ((r
[12] << 16) | (r
[13] >> 16)) & 0xffffff);
1848 pr_info("Valid / not / and1 / and2 : %1x\n", (r
[13] >> 12) & 0xf);
1849 pr_info("r 13-16: %08x %08x %08x %08x\n", r
[13], r
[14], r
[15], r
[16]);
1852 static int rtl930x_pie_rule_write(struct rtl838x_switch_priv
*priv
, int idx
, struct pie_rule
*pr
)
1854 // Access IACL table (2) via register 0
1855 struct table_reg
*q
= rtl_table_get(RTL9300_TBL_0
, 2);
1858 int block
= idx
/ PIE_BLOCK_SIZE
;
1859 u32 t_select
= sw_r32(RTL930X_PIE_BLK_TMPLTE_CTRL(block
));
1861 pr_debug("%s: %d, t_select: %08x\n", __func__
, idx
, t_select
);
1863 for (i
= 0; i
< 19; i
++)
1867 rtl_table_write(q
, idx
);
1868 rtl_table_release(q
);
1871 rtl930x_write_pie_fixed_fields(r
, pr
);
1873 pr_debug("%s: template %d\n", __func__
, (t_select
>> (pr
->tid
* 4)) & 0xf);
1874 rtl930x_write_pie_templated(r
, pr
, fixed_templates
[(t_select
>> (pr
->tid
* 4)) & 0xf]);
1876 rtl930x_write_pie_action(r
, pr
);
1878 // rtl930x_pie_rule_dump_raw(r);
1880 for (i
= 0; i
< 19; i
++)
1881 sw_w32(r
[i
], rtl_table_data(q
, i
));
1883 rtl_table_write(q
, idx
);
1884 rtl_table_release(q
);
1889 static bool rtl930x_pie_templ_has(int t
, enum template_field_id field_type
)
1892 enum template_field_id ft
;
1894 for (i
= 0; i
< N_FIXED_FIELDS
; i
++) {
1895 ft
= fixed_templates
[t
][i
];
1896 if (field_type
== ft
)
1904 * Verify that the rule pr is compatible with a given template t in block block
1905 * Note that this function is SoC specific since the values of e.g. TEMPLATE_FIELD_SIP0
1908 static int rtl930x_pie_verify_template(struct rtl838x_switch_priv
*priv
,
1909 struct pie_rule
*pr
, int t
, int block
)
1913 if (!pr
->is_ipv6
&& pr
->sip_m
&& !rtl930x_pie_templ_has(t
, TEMPLATE_FIELD_SIP0
))
1916 if (!pr
->is_ipv6
&& pr
->dip_m
&& !rtl930x_pie_templ_has(t
, TEMPLATE_FIELD_DIP0
))
1920 if ((pr
->sip6_m
.s6_addr32
[0] || pr
->sip6_m
.s6_addr32
[1]
1921 || pr
->sip6_m
.s6_addr32
[2] || pr
->sip6_m
.s6_addr32
[3])
1922 && !rtl930x_pie_templ_has(t
, TEMPLATE_FIELD_SIP2
))
1924 if ((pr
->dip6_m
.s6_addr32
[0] || pr
->dip6_m
.s6_addr32
[1]
1925 || pr
->dip6_m
.s6_addr32
[2] || pr
->dip6_m
.s6_addr32
[3])
1926 && !rtl930x_pie_templ_has(t
, TEMPLATE_FIELD_DIP2
))
1930 if (ether_addr_to_u64(pr
->smac
) && !rtl930x_pie_templ_has(t
, TEMPLATE_FIELD_SMAC0
))
1933 if (ether_addr_to_u64(pr
->dmac
) && !rtl930x_pie_templ_has(t
, TEMPLATE_FIELD_DMAC0
))
1938 i
= find_first_zero_bit(&priv
->pie_use_bm
[block
* 4], PIE_BLOCK_SIZE
);
1940 if (i
>= PIE_BLOCK_SIZE
)
1943 return i
+ PIE_BLOCK_SIZE
* block
;
1946 static int rtl930x_pie_rule_add(struct rtl838x_switch_priv
*priv
, struct pie_rule
*pr
)
1948 int idx
, block
, j
, t
;
1950 int max_block
= priv
->n_pie_blocks
/ 2;
1952 if (pr
->is_egress
) {
1953 min_block
= max_block
;
1954 max_block
= priv
->n_pie_blocks
;
1956 pr_debug("In %s\n", __func__
);
1958 mutex_lock(&priv
->pie_mutex
);
1960 for (block
= min_block
; block
< max_block
; block
++) {
1961 for (j
= 0; j
< 2; j
++) {
1962 t
= (sw_r32(RTL930X_PIE_BLK_TMPLTE_CTRL(block
)) >> (j
* 4)) & 0xf;
1963 pr_debug("Testing block %d, template %d, template id %d\n", block
, j
, t
);
1964 pr_debug("%s: %08x\n",
1965 __func__
, sw_r32(RTL930X_PIE_BLK_TMPLTE_CTRL(block
)));
1966 idx
= rtl930x_pie_verify_template(priv
, pr
, t
, block
);
1974 if (block
>= priv
->n_pie_blocks
) {
1975 mutex_unlock(&priv
->pie_mutex
);
1979 pr_debug("Using block: %d, index %d, template-id %d\n", block
, idx
, j
);
1980 set_bit(idx
, priv
->pie_use_bm
);
1983 pr
->tid
= j
; // Mapped to template number
1987 rtl930x_pie_lookup_enable(priv
, idx
);
1988 rtl930x_pie_rule_write(priv
, idx
, pr
);
1990 mutex_unlock(&priv
->pie_mutex
);
1995 * Delete a range of Packet Inspection Engine rules
1997 static int rtl930x_pie_rule_del(struct rtl838x_switch_priv
*priv
, int index_from
, int index_to
)
1999 u32 v
= (index_from
<< 1)| (index_to
<< 12 ) | BIT(0);
2001 pr_debug("%s: from %d to %d\n", __func__
, index_from
, index_to
);
2002 mutex_lock(&priv
->reg_mutex
);
2004 // Write from-to and execute bit into control register
2005 sw_w32(v
, RTL930X_PIE_CLR_CTRL
);
2007 // Wait until command has completed
2009 } while (sw_r32(RTL930X_PIE_CLR_CTRL
) & BIT(0));
2011 mutex_unlock(&priv
->reg_mutex
);
2015 static void rtl930x_pie_rule_rm(struct rtl838x_switch_priv
*priv
, struct pie_rule
*pr
)
2019 rtl930x_pie_rule_del(priv
, idx
, idx
);
2020 clear_bit(idx
, priv
->pie_use_bm
);
2023 static void rtl930x_pie_init(struct rtl838x_switch_priv
*priv
)
2026 u32 template_selectors
;
2028 mutex_init(&priv
->pie_mutex
);
2030 pr_info("%s\n", __func__
);
2031 // Enable ACL lookup on all ports, including CPU_PORT
2032 for (i
= 0; i
<= priv
->cpu_port
; i
++)
2033 sw_w32(1, RTL930X_ACL_PORT_LOOKUP_CTRL(i
));
2035 // Include IPG in metering
2036 sw_w32_mask(0, 1, RTL930X_METER_GLB_CTRL
);
2038 // Delete all present rules, block size is 128 on all SoC families
2039 rtl930x_pie_rule_del(priv
, 0, priv
->n_pie_blocks
* 128 - 1);
2041 // Assign blocks 0-7 to VACL phase (bit = 0), blocks 8-15 to IACL (bit = 1)
2042 sw_w32(0xff00, RTL930X_PIE_BLK_PHASE_CTRL
);
2044 // Enable predefined templates 0, 1 for first quarter of all blocks
2045 template_selectors
= 0 | (1 << 4);
2046 for (i
= 0; i
< priv
->n_pie_blocks
/ 4; i
++)
2047 sw_w32(template_selectors
, RTL930X_PIE_BLK_TMPLTE_CTRL(i
));
2049 // Enable predefined templates 2, 3 for second quarter of all blocks
2050 template_selectors
= 2 | (3 << 4);
2051 for (i
= priv
->n_pie_blocks
/ 4; i
< priv
->n_pie_blocks
/ 2; i
++)
2052 sw_w32(template_selectors
, RTL930X_PIE_BLK_TMPLTE_CTRL(i
));
2054 // Enable predefined templates 0, 1 for third half of all blocks
2055 template_selectors
= 0 | (1 << 4);
2056 for (i
= priv
->n_pie_blocks
/ 2; i
< priv
->n_pie_blocks
* 3 / 4; i
++)
2057 sw_w32(template_selectors
, RTL930X_PIE_BLK_TMPLTE_CTRL(i
));
2059 // Enable predefined templates 2, 3 for fourth quater of all blocks
2060 template_selectors
= 2 | (3 << 4);
2061 for (i
= priv
->n_pie_blocks
* 3 / 4; i
< priv
->n_pie_blocks
; i
++)
2062 sw_w32(template_selectors
, RTL930X_PIE_BLK_TMPLTE_CTRL(i
));
2067 * Sets up an egress interface for L3 actions
2068 * Actions for ip4/6_icmp_redirect, ip4/6_pbr_icmp_redirect are:
2069 * 0: FORWARD, 1: DROP, 2: TRAP2CPU, 3: COPY2CPU, 4: TRAP2MASTERCPU 5: COPY2MASTERCPU
2071 * idx is the index in the HW interface table: idx < 0x80
2073 static void rtl930x_set_l3_egress_intf(int idx
, struct rtl838x_l3_intf
*intf
)
2076 // Read L3_EGR_INTF table (4) via register RTL9300_TBL_1
2077 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_1
, 4);
2079 // The table has 2 registers
2080 u
= (intf
->vid
& 0xfff) << 9;
2081 u
|= (intf
->smac_idx
& 0x3f) << 3;
2082 u
|= (intf
->ip4_mtu_id
& 0x7);
2084 v
= (intf
->ip6_mtu_id
& 0x7) << 28;
2085 v
|= (intf
->ttl_scope
& 0xff) << 20;
2086 v
|= (intf
->hl_scope
& 0xff) << 12;
2087 v
|= (intf
->ip4_icmp_redirect
& 0x7) << 9;
2088 v
|= (intf
->ip6_icmp_redirect
& 0x7)<< 6;
2089 v
|= (intf
->ip4_pbr_icmp_redirect
& 0x7) << 3;
2090 v
|= (intf
->ip6_pbr_icmp_redirect
& 0x7);
2092 sw_w32(u
, rtl_table_data(r
, 0));
2093 sw_w32(v
, rtl_table_data(r
, 1));
2095 pr_info("%s writing to index %d: %08x %08x\n", __func__
, idx
, u
, v
);
2096 rtl_table_write(r
, idx
& 0x7f);
2097 rtl_table_release(r
);
2101 * Reads a MAC entry for L3 termination as entry point for routing
2102 * from the hardware table
2103 * idx is the index into the L3_ROUTER_MAC table
2105 static void rtl930x_get_l3_router_mac(u32 idx
, struct rtl93xx_rt_mac
*m
)
2108 // Read L3_ROUTER_MAC table (0) via register RTL9300_TBL_1
2109 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_1
, 0);
2111 rtl_table_read(r
, idx
);
2112 // The table has a size of 7 registers, 64 entries
2113 v
= sw_r32(rtl_table_data(r
, 0));
2114 w
= sw_r32(rtl_table_data(r
, 3));
2115 m
->valid
= !!(v
& BIT(20));
2119 m
->p_type
= !!(v
& BIT(19));
2120 m
->p_id
= (v
>> 13) & 0x3f; // trunk id of port
2122 m
->vid_mask
= w
& 0xfff;
2123 m
->action
= sw_r32(rtl_table_data(r
, 6)) & 0x7;
2124 m
->mac_mask
= ((((u64
)sw_r32(rtl_table_data(r
, 5))) << 32) & 0xffffffffffffULL
)
2125 | (sw_r32(rtl_table_data(r
, 4)));
2126 m
->mac
= ((((u64
)sw_r32(rtl_table_data(r
, 1))) << 32) & 0xffffffffffffULL
)
2127 | (sw_r32(rtl_table_data(r
, 2)));
2128 // Bits L3_INTF and BMSK_L3_INTF are 0
2131 rtl_table_release(r
);
2135 * Writes a MAC entry for L3 termination as entry point for routing
2136 * into the hardware table
2137 * idx is the index into the L3_ROUTER_MAC table
2139 static void rtl930x_set_l3_router_mac(u32 idx
, struct rtl93xx_rt_mac
*m
)
2142 // Read L3_ROUTER_MAC table (0) via register RTL9300_TBL_1
2143 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_1
, 0);
2145 // The table has a size of 7 registers, 64 entries
2146 v
= BIT(20); // mac entry valid, port type is 0: individual
2147 v
|= (m
->p_id
& 0x3f) << 13;
2148 v
|= (m
->vid
& 0xfff); // Set the interface_id to the vlan id
2151 w
|= (m
->p_id_mask
& 0x3f) << 13;
2153 sw_w32(v
, rtl_table_data(r
, 0));
2154 sw_w32(w
, rtl_table_data(r
, 3));
2156 // Set MAC address, L3_INTF (bit 12 in register 1) needs to be 0
2157 sw_w32((u32
)(m
->mac
), rtl_table_data(r
, 2));
2158 sw_w32(m
->mac
>> 32, rtl_table_data(r
, 1));
2160 // Set MAC address mask, BMSK_L3_INTF (bit 12 in register 5) needs to be 0
2161 sw_w32((u32
)(m
->mac_mask
>> 32), rtl_table_data(r
, 4));
2162 sw_w32((u32
)m
->mac_mask
, rtl_table_data(r
, 5));
2164 sw_w32(m
->action
& 0x7, rtl_table_data(r
, 6));
2166 pr_debug("%s writing index %d: %08x %08x %08x %08x %08x %08x %08x\n", __func__
, idx
,
2167 sw_r32(rtl_table_data(r
, 0)), sw_r32(rtl_table_data(r
, 1)), sw_r32(rtl_table_data(r
, 2)),
2168 sw_r32(rtl_table_data(r
, 3)), sw_r32(rtl_table_data(r
, 4)), sw_r32(rtl_table_data(r
, 5)),
2169 sw_r32(rtl_table_data(r
, 6))
2171 rtl_table_write(r
, idx
);
2172 rtl_table_release(r
);
2176 * Get the Destination-MAC of an L3 egress interface or the Source MAC for routed packets
2177 * from the SoC's L3_EGR_INTF_MAC table
2178 * Indexes 0-2047 are DMACs, 2048+ are SMACs
2180 static u64
rtl930x_get_l3_egress_mac(u32 idx
)
2183 // Read L3_EGR_INTF_MAC table (2) via register RTL9300_TBL_2
2184 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_2
, 2);
2186 rtl_table_read(r
, idx
);
2187 // The table has a size of 2 registers
2188 mac
= sw_r32(rtl_table_data(r
, 0));
2190 mac
|= sw_r32(rtl_table_data(r
, 1));
2191 rtl_table_release(r
);
2196 * Set the Destination-MAC of a route or the Source MAC of an L3 egress interface
2197 * in the SoC's L3_EGR_INTF_MAC table
2198 * Indexes 0-2047 are DMACs, 2048+ are SMACs
2200 static void rtl930x_set_l3_egress_mac(u32 idx
, u64 mac
)
2202 // Access L3_EGR_INTF_MAC table (2) via register RTL9300_TBL_2
2203 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_2
, 2);
2205 // The table has a size of 2 registers
2206 sw_w32(mac
>> 32, rtl_table_data(r
, 0));
2207 sw_w32(mac
, rtl_table_data(r
, 1));
2209 pr_debug("%s: setting index %d to %016llx\n", __func__
, idx
, mac
);
2210 rtl_table_write(r
, idx
);
2211 rtl_table_release(r
);
2215 * Configure L3 routing settings of the device:
2217 * - Egress interface
2218 * - The router's MAC address on which routed packets are expected
2219 * - MAC addresses used as source macs of routed packets
2221 int rtl930x_l3_setup(struct rtl838x_switch_priv
*priv
)
2225 // Setup MTU with id 0 for default interface
2226 for (i
= 0; i
< MAX_INTF_MTUS
; i
++)
2227 priv
->intf_mtu_count
[i
] = priv
->intf_mtus
[i
] = 0;
2229 priv
->intf_mtu_count
[0] = 0; // Needs to stay forever
2230 priv
->intf_mtus
[0] = DEFAULT_MTU
;
2231 sw_w32_mask(0xffff, DEFAULT_MTU
, RTL930X_L3_IP_MTU_CTRL(0));
2232 sw_w32_mask(0xffff, DEFAULT_MTU
, RTL930X_L3_IP6_MTU_CTRL(0));
2233 priv
->intf_mtus
[1] = DEFAULT_MTU
;
2234 sw_w32_mask(0xffff0000, DEFAULT_MTU
<< 16, RTL930X_L3_IP_MTU_CTRL(0));
2235 sw_w32_mask(0xffff0000, DEFAULT_MTU
<< 16, RTL930X_L3_IP6_MTU_CTRL(0));
2237 sw_w32_mask(0xffff, DEFAULT_MTU
, RTL930X_L3_IP_MTU_CTRL(1));
2238 sw_w32_mask(0xffff, DEFAULT_MTU
, RTL930X_L3_IP6_MTU_CTRL(1));
2239 sw_w32_mask(0xffff0000, DEFAULT_MTU
<< 16, RTL930X_L3_IP_MTU_CTRL(1));
2240 sw_w32_mask(0xffff0000, DEFAULT_MTU
<< 16, RTL930X_L3_IP6_MTU_CTRL(1));
2242 // Clear all source port MACs
2243 for (i
= 0; i
< MAX_SMACS
; i
++)
2244 rtl930x_set_l3_egress_mac(L3_EGRESS_DMACS
+ i
, 0ULL);
2246 // Configure the default L3 hash algorithm
2247 sw_w32_mask(BIT(2), 0, RTL930X_L3_HOST_TBL_CTRL
); // Algorithm selection 0 = 0
2248 sw_w32_mask(0, BIT(3), RTL930X_L3_HOST_TBL_CTRL
); // Algorithm selection 1 = 1
2250 pr_info("L3_IPUC_ROUTE_CTRL %08x, IPMC_ROUTE %08x, IP6UC_ROUTE %08x, IP6MC_ROUTE %08x\n",
2251 sw_r32(RTL930X_L3_IPUC_ROUTE_CTRL
), sw_r32(RTL930X_L3_IPMC_ROUTE_CTRL
),
2252 sw_r32(RTL930X_L3_IP6UC_ROUTE_CTRL
), sw_r32(RTL930X_L3_IP6MC_ROUTE_CTRL
));
2253 sw_w32_mask(0, 1, RTL930X_L3_IPUC_ROUTE_CTRL
);
2254 sw_w32_mask(0, 1, RTL930X_L3_IP6UC_ROUTE_CTRL
);
2255 sw_w32_mask(0, 1, RTL930X_L3_IPMC_ROUTE_CTRL
);
2256 sw_w32_mask(0, 1, RTL930X_L3_IP6MC_ROUTE_CTRL
);
2258 sw_w32(0x00002001, RTL930X_L3_IPUC_ROUTE_CTRL
);
2259 sw_w32(0x00014581, RTL930X_L3_IP6UC_ROUTE_CTRL
);
2260 sw_w32(0x00000501, RTL930X_L3_IPMC_ROUTE_CTRL
);
2261 sw_w32(0x00012881, RTL930X_L3_IP6MC_ROUTE_CTRL
);
2263 pr_info("L3_IPUC_ROUTE_CTRL %08x, IPMC_ROUTE %08x, IP6UC_ROUTE %08x, IP6MC_ROUTE %08x\n",
2264 sw_r32(RTL930X_L3_IPUC_ROUTE_CTRL
), sw_r32(RTL930X_L3_IPMC_ROUTE_CTRL
),
2265 sw_r32(RTL930X_L3_IP6UC_ROUTE_CTRL
), sw_r32(RTL930X_L3_IP6MC_ROUTE_CTRL
));
2267 // Trap non-ip traffic to the CPU-port (e.g. ARP so we stay reachable)
2268 sw_w32_mask(0x3 << 8, 0x1 << 8, RTL930X_L3_IP_ROUTE_CTRL
);
2269 pr_info("L3_IP_ROUTE_CTRL %08x\n", sw_r32(RTL930X_L3_IP_ROUTE_CTRL
));
2271 // PORT_ISO_RESTRICT_ROUTE_CTRL ?
2273 // Do not use prefix route 0 because of HW limitations
2274 set_bit(0, priv
->route_use_bm
);
2279 static u32
rtl930x_packet_cntr_read(int counter
)
2283 // Read LOG table (3) via register RTL9300_TBL_0
2284 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_0
, 3);
2286 pr_debug("In %s, id %d\n", __func__
, counter
);
2287 rtl_table_read(r
, counter
/ 2);
2289 pr_debug("Registers: %08x %08x\n",
2290 sw_r32(rtl_table_data(r
, 0)), sw_r32(rtl_table_data(r
, 1)));
2291 // The table has a size of 2 registers
2293 v
= sw_r32(rtl_table_data(r
, 0));
2295 v
= sw_r32(rtl_table_data(r
, 1));
2297 rtl_table_release(r
);
2302 static void rtl930x_packet_cntr_clear(int counter
)
2304 // Access LOG table (3) via register RTL9300_TBL_0
2305 struct table_reg
*r
= rtl_table_get(RTL9300_TBL_0
, 3);
2307 pr_info("In %s, id %d\n", __func__
, counter
);
2308 // The table has a size of 2 registers
2310 sw_w32(0, rtl_table_data(r
, 0));
2312 sw_w32(0, rtl_table_data(r
, 1));
2314 rtl_table_write(r
, counter
/ 2);
2316 rtl_table_release(r
);
2319 void rtl930x_vlan_port_pvidmode_set(int port
, enum pbvlan_type type
, enum pbvlan_mode mode
)
2321 if (type
== PBVLAN_TYPE_INNER
)
2322 sw_w32_mask(0x3, mode
, RTL930X_VLAN_PORT_PB_VLAN
+ (port
<< 2));
2324 sw_w32_mask(0x3 << 14, mode
<< 14 ,RTL930X_VLAN_PORT_PB_VLAN
+ (port
<< 2));
2327 void rtl930x_vlan_port_pvid_set(int port
, enum pbvlan_type type
, int pvid
)
2329 if (type
== PBVLAN_TYPE_INNER
)
2330 sw_w32_mask(0xfff << 2, pvid
<< 2, RTL930X_VLAN_PORT_PB_VLAN
+ (port
<< 2));
2332 sw_w32_mask(0xfff << 16, pvid
<< 16, RTL930X_VLAN_PORT_PB_VLAN
+ (port
<< 2));
2335 static int rtl930x_set_ageing_time(unsigned long msec
)
2337 int t
= sw_r32(RTL930X_L2_AGE_CTRL
);
2341 pr_debug("L2 AGING time: %d sec\n", t
);
2343 t
= (msec
/ 100 + 6) / 7;
2344 t
= t
> 0x1FFFFF ? 0x1FFFFF : t
;
2345 sw_w32_mask(0x1FFFFF, t
, RTL930X_L2_AGE_CTRL
);
2346 pr_debug("Dynamic aging for ports: %x\n", sw_r32(RTL930X_L2_PORT_AGE_CTRL
));
2351 static void rtl930x_set_igr_filter(int port
, enum igr_filter state
)
2353 sw_w32_mask(0x3 << ((port
& 0xf)<<1), state
<< ((port
& 0xf)<<1),
2354 RTL930X_VLAN_PORT_IGR_FLTR
+ (((port
>> 4) << 2)));
2357 static void rtl930x_set_egr_filter(int port
, enum egr_filter state
)
2359 sw_w32_mask(0x1 << (port
% 0x1D), state
<< (port
% 0x1D),
2360 RTL930X_VLAN_PORT_EGR_FLTR
+ (((port
/ 29) << 2)));
2363 void rtl930x_set_distribution_algorithm(int group
, int algoidx
, u32 algomsk
)
2368 /* TODO: for now we set algoidx to 0 */
2370 if (algomsk
& TRUNK_DISTRIBUTION_ALGO_SIP_BIT
) {
2372 newmask
|= TRUNK_DISTRIBUTION_ALGO_L3_SIP_BIT
;
2374 if (algomsk
& TRUNK_DISTRIBUTION_ALGO_DIP_BIT
) {
2376 newmask
|= TRUNK_DISTRIBUTION_ALGO_L3_DIP_BIT
;
2378 if (algomsk
& TRUNK_DISTRIBUTION_ALGO_SRC_L4PORT_BIT
) {
2380 newmask
|= TRUNK_DISTRIBUTION_ALGO_L3_SRC_L4PORT_BIT
;
2382 if (algomsk
& TRUNK_DISTRIBUTION_ALGO_SRC_L4PORT_BIT
) {
2384 newmask
|= TRUNK_DISTRIBUTION_ALGO_L3_SRC_L4PORT_BIT
;
2388 if (algomsk
& TRUNK_DISTRIBUTION_ALGO_SMAC_BIT
)
2389 newmask
|= TRUNK_DISTRIBUTION_ALGO_L3_SMAC_BIT
;
2391 if (algomsk
& TRUNK_DISTRIBUTION_ALGO_DMAC_BIT
)
2392 newmask
|= TRUNK_DISTRIBUTION_ALGO_L3_DMAC_BIT
;
2394 if (algomsk
& TRUNK_DISTRIBUTION_ALGO_SMAC_BIT
)
2395 newmask
|= TRUNK_DISTRIBUTION_ALGO_L2_SMAC_BIT
;
2396 if (algomsk
& TRUNK_DISTRIBUTION_ALGO_DMAC_BIT
)
2397 newmask
|= TRUNK_DISTRIBUTION_ALGO_L2_DMAC_BIT
;
2400 sw_w32(newmask
<< l3shift
, RTL930X_TRK_HASH_CTRL
+ (algoidx
<< 2));
2403 static void rtl930x_led_init(struct rtl838x_switch_priv
*priv
)
2408 const __be32
*led_set
;
2410 struct device_node
*node
;
2412 pr_info("%s called\n", __func__
);
2413 node
= of_find_compatible_node(NULL
, NULL
, "realtek,rtl9300-leds");
2415 pr_info("%s No compatible LED node found\n", __func__
);
2419 for (i
= 0; i
< priv
->cpu_port
; i
++) {
2420 pos
= (i
<< 1) % 32;
2421 sw_w32_mask(0x3 << pos
, 0, RTL930X_LED_PORT_FIB_SET_SEL_CTRL(i
));
2422 sw_w32_mask(0x3 << pos
, 0, RTL930X_LED_PORT_COPR_SET_SEL_CTRL(i
));
2424 if (!priv
->ports
[i
].phy
)
2428 if (priv
->ports
[i
].is10G
)
2430 if (priv
->ports
[i
].phy_is_integrated
)
2432 sw_w32_mask(0x3 << pos
, v
<< pos
, RTL930X_LED_PORT_NUM_CTRL(i
));
2436 set
= priv
->ports
[i
].led_set
;
2437 sw_w32_mask(0, set
<< pos
, RTL930X_LED_PORT_COPR_SET_SEL_CTRL(i
));
2438 sw_w32_mask(0, set
<< pos
, RTL930X_LED_PORT_FIB_SET_SEL_CTRL(i
));
2441 for (i
= 0; i
< 4; i
++) {
2442 sprintf(set_name
, "led_set%d", i
);
2443 led_set
= of_get_property(node
, set_name
, &setlen
);
2444 if (!led_set
|| setlen
!= 16)
2446 v
= be32_to_cpup(led_set
) << 16 | be32_to_cpup(led_set
+ 1);
2447 sw_w32(v
, RTL930X_LED_SET0_0_CTRL
- 4 - i
* 8);
2448 v
= be32_to_cpup(led_set
+ 2) << 16 | be32_to_cpup(led_set
+ 3);
2449 sw_w32(v
, RTL930X_LED_SET0_0_CTRL
- i
* 8);
2452 // Set LED mode to serial (0x1)
2453 sw_w32_mask(0x3, 0x1, RTL930X_LED_GLB_CTRL
);
2455 // Set port type masks
2456 sw_w32(pm
, RTL930X_LED_PORT_COPR_MASK_CTRL
);
2457 sw_w32(pm
, RTL930X_LED_PORT_FIB_MASK_CTRL
);
2458 sw_w32(pm
, RTL930X_LED_PORT_COMBO_MASK_CTRL
);
2460 for (i
= 0; i
< 24; i
++)
2461 pr_info("%s %08x: %08x\n",__func__
, 0xbb00cc00 + i
* 4, sw_r32(0xcc00 + i
* 4));
2464 const struct rtl838x_reg rtl930x_reg
= {
2465 .mask_port_reg_be
= rtl838x_mask_port_reg
,
2466 .set_port_reg_be
= rtl838x_set_port_reg
,
2467 .get_port_reg_be
= rtl838x_get_port_reg
,
2468 .mask_port_reg_le
= rtl838x_mask_port_reg
,
2469 .set_port_reg_le
= rtl838x_set_port_reg
,
2470 .get_port_reg_le
= rtl838x_get_port_reg
,
2471 .stat_port_rst
= RTL930X_STAT_PORT_RST
,
2472 .stat_rst
= RTL930X_STAT_RST
,
2473 .stat_port_std_mib
= RTL930X_STAT_PORT_MIB_CNTR
,
2474 .traffic_enable
= rtl930x_traffic_enable
,
2475 .traffic_disable
= rtl930x_traffic_disable
,
2476 .traffic_get
= rtl930x_traffic_get
,
2477 .traffic_set
= rtl930x_traffic_set
,
2478 .l2_ctrl_0
= RTL930X_L2_CTRL
,
2479 .l2_ctrl_1
= RTL930X_L2_AGE_CTRL
,
2480 .l2_port_aging_out
= RTL930X_L2_PORT_AGE_CTRL
,
2481 .set_ageing_time
= rtl930x_set_ageing_time
,
2482 .smi_poll_ctrl
= RTL930X_SMI_POLL_CTRL
, // TODO: Difference to RTL9300_SMI_PRVTE_POLLING_CTRL
2483 .l2_tbl_flush_ctrl
= RTL930X_L2_TBL_FLUSH_CTRL
,
2484 .exec_tbl0_cmd
= rtl930x_exec_tbl0_cmd
,
2485 .exec_tbl1_cmd
= rtl930x_exec_tbl1_cmd
,
2486 .tbl_access_data_0
= rtl930x_tbl_access_data_0
,
2487 .isr_glb_src
= RTL930X_ISR_GLB
,
2488 .isr_port_link_sts_chg
= RTL930X_ISR_PORT_LINK_STS_CHG
,
2489 .imr_port_link_sts_chg
= RTL930X_IMR_PORT_LINK_STS_CHG
,
2490 .imr_glb
= RTL930X_IMR_GLB
,
2491 .vlan_tables_read
= rtl930x_vlan_tables_read
,
2492 .vlan_set_tagged
= rtl930x_vlan_set_tagged
,
2493 .vlan_set_untagged
= rtl930x_vlan_set_untagged
,
2494 .vlan_profile_dump
= rtl930x_vlan_profile_dump
,
2495 .vlan_profile_setup
= rtl930x_vlan_profile_setup
,
2496 .vlan_fwd_on_inner
= rtl930x_vlan_fwd_on_inner
,
2497 .set_vlan_igr_filter
= rtl930x_set_igr_filter
,
2498 .set_vlan_egr_filter
= rtl930x_set_egr_filter
,
2499 .stp_get
= rtl930x_stp_get
,
2500 .stp_set
= rtl930x_stp_set
,
2501 .mac_force_mode_ctrl
= rtl930x_mac_force_mode_ctrl
,
2502 .mac_port_ctrl
= rtl930x_mac_port_ctrl
,
2503 .l2_port_new_salrn
= rtl930x_l2_port_new_salrn
,
2504 .l2_port_new_sa_fwd
= rtl930x_l2_port_new_sa_fwd
,
2505 .mir_ctrl
= RTL930X_MIR_CTRL
,
2506 .mir_dpm
= RTL930X_MIR_DPM_CTRL
,
2507 .mir_spm
= RTL930X_MIR_SPM_CTRL
,
2508 .mac_link_sts
= RTL930X_MAC_LINK_STS
,
2509 .mac_link_dup_sts
= RTL930X_MAC_LINK_DUP_STS
,
2510 .mac_link_spd_sts
= rtl930x_mac_link_spd_sts
,
2511 .mac_rx_pause_sts
= RTL930X_MAC_RX_PAUSE_STS
,
2512 .mac_tx_pause_sts
= RTL930X_MAC_TX_PAUSE_STS
,
2513 .read_l2_entry_using_hash
= rtl930x_read_l2_entry_using_hash
,
2514 .write_l2_entry_using_hash
= rtl930x_write_l2_entry_using_hash
,
2515 .read_cam
= rtl930x_read_cam
,
2516 .write_cam
= rtl930x_write_cam
,
2517 .vlan_port_tag_sts_ctrl
= RTL930X_VLAN_PORT_TAG_STS_CTRL
,
2518 .vlan_port_pvidmode_set
= rtl930x_vlan_port_pvidmode_set
,
2519 .vlan_port_pvid_set
= rtl930x_vlan_port_pvid_set
,
2520 .trk_mbr_ctr
= rtl930x_trk_mbr_ctr
,
2521 .rma_bpdu_fld_pmask
= RTL930X_RMA_BPDU_FLD_PMSK
,
2522 .init_eee
= rtl930x_init_eee
,
2523 .port_eee_set
= rtl930x_port_eee_set
,
2524 .eee_port_ability
= rtl930x_eee_port_ability
,
2525 .l2_hash_seed
= rtl930x_l2_hash_seed
,
2526 .l2_hash_key
= rtl930x_l2_hash_key
,
2527 .read_mcast_pmask
= rtl930x_read_mcast_pmask
,
2528 .write_mcast_pmask
= rtl930x_write_mcast_pmask
,
2529 .pie_init
= rtl930x_pie_init
,
2530 .pie_rule_write
= rtl930x_pie_rule_write
,
2531 .pie_rule_add
= rtl930x_pie_rule_add
,
2532 .pie_rule_rm
= rtl930x_pie_rule_rm
,
2533 .l2_learning_setup
= rtl930x_l2_learning_setup
,
2534 .packet_cntr_read
= rtl930x_packet_cntr_read
,
2535 .packet_cntr_clear
= rtl930x_packet_cntr_clear
,
2536 .route_read
= rtl930x_route_read
,
2537 .route_write
= rtl930x_route_write
,
2538 .host_route_write
= rtl930x_host_route_write
,
2539 .l3_setup
= rtl930x_l3_setup
,
2540 .set_l3_nexthop
= rtl930x_set_l3_nexthop
,
2541 .get_l3_nexthop
= rtl930x_get_l3_nexthop
,
2542 .get_l3_egress_mac
= rtl930x_get_l3_egress_mac
,
2543 .set_l3_egress_mac
= rtl930x_set_l3_egress_mac
,
2544 .find_l3_slot
= rtl930x_find_l3_slot
,
2545 .route_lookup_hw
= rtl930x_route_lookup_hw
,
2546 .get_l3_router_mac
= rtl930x_get_l3_router_mac
,
2547 .set_l3_router_mac
= rtl930x_set_l3_router_mac
,
2548 .set_l3_egress_intf
= rtl930x_set_l3_egress_intf
,
2549 .set_distribution_algorithm
= rtl930x_set_distribution_algorithm
,
2550 .led_init
= rtl930x_led_init
,