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786fd2b0 DF |
1 | /* |
2 | * QEMU VMWARE VMXNET3 paravirtual NIC | |
3 | * | |
4 | * Copyright (c) 2012 Ravello Systems LTD (http://ravellosystems.com) | |
5 | * | |
6 | * Developed by Daynix Computing LTD (http://www.daynix.com) | |
7 | * | |
8 | * Authors: | |
9 | * Dmitry Fleytman <dmitry@daynix.com> | |
10 | * Tamir Shomer <tamirs@daynix.com> | |
11 | * Yan Vugenfirer <yan@daynix.com> | |
12 | * | |
13 | * This work is licensed under the terms of the GNU GPL, version 2. | |
14 | * See the COPYING file in the top-level directory. | |
15 | * | |
16 | */ | |
17 | ||
e8d40465 | 18 | #include "qemu/osdep.h" |
0d09e41a PB |
19 | #include "hw/hw.h" |
20 | #include "hw/pci/pci.h" | |
a27bd6c7 | 21 | #include "hw/qdev-properties.h" |
786fd2b0 DF |
22 | #include "net/tap.h" |
23 | #include "net/checksum.h" | |
24 | #include "sysemu/sysemu.h" | |
786fd2b0 | 25 | #include "qemu/bswap.h" |
6a932c4e | 26 | #include "qemu/log.h" |
0b8fa32f | 27 | #include "qemu/module.h" |
0d09e41a PB |
28 | #include "hw/pci/msix.h" |
29 | #include "hw/pci/msi.h" | |
f2a8f0a6 | 30 | #include "migration/register.h" |
d6454270 | 31 | #include "migration/vmstate.h" |
786fd2b0 DF |
32 | |
33 | #include "vmxnet3.h" | |
317639aa | 34 | #include "vmxnet3_defs.h" |
786fd2b0 DF |
35 | #include "vmxnet_debug.h" |
36 | #include "vmware_utils.h" | |
605d52e6 DF |
37 | #include "net_tx_pkt.h" |
38 | #include "net_rx_pkt.h" | |
db1015e9 | 39 | #include "qom/object.h" |
786fd2b0 DF |
40 | |
41 | #define PCI_DEVICE_ID_VMWARE_VMXNET3_REVISION 0x1 | |
42 | #define VMXNET3_MSIX_BAR_SIZE 0x2000 | |
43 | ||
cb8d4c8f | 44 | /* Compatibility flags for migration */ |
f9262dae SL |
45 | #define VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT 0 |
46 | #define VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS \ | |
47 | (1 << VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT) | |
f713d4d2 SL |
48 | #define VMXNET3_COMPAT_FLAG_DISABLE_PCIE_BIT 1 |
49 | #define VMXNET3_COMPAT_FLAG_DISABLE_PCIE \ | |
50 | (1 << VMXNET3_COMPAT_FLAG_DISABLE_PCIE_BIT) | |
f9262dae | 51 | |
f713d4d2 | 52 | #define VMXNET3_EXP_EP_OFFSET (0x48) |
f9262dae SL |
53 | #define VMXNET3_MSI_OFFSET(s) \ |
54 | ((s)->compat_flags & VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS ? 0x50 : 0x84) | |
55 | #define VMXNET3_MSIX_OFFSET(s) \ | |
56 | ((s)->compat_flags & VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS ? 0 : 0x9c) | |
3509866a | 57 | #define VMXNET3_DSN_OFFSET (0x100) |
f9262dae | 58 | |
786fd2b0 DF |
59 | #define VMXNET3_BAR0_IDX (0) |
60 | #define VMXNET3_BAR1_IDX (1) | |
61 | #define VMXNET3_MSIX_BAR_IDX (2) | |
62 | ||
63 | #define VMXNET3_OFF_MSIX_TABLE (0x000) | |
9c087a05 SL |
64 | #define VMXNET3_OFF_MSIX_PBA(s) \ |
65 | ((s)->compat_flags & VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS ? 0x800 : 0x1000) | |
786fd2b0 DF |
66 | |
67 | /* Link speed in Mbps should be shifted by 16 */ | |
68 | #define VMXNET3_LINK_SPEED (1000 << 16) | |
69 | ||
70 | /* Link status: 1 - up, 0 - down. */ | |
71 | #define VMXNET3_LINK_STATUS_UP 0x1 | |
72 | ||
73 | /* Least significant bit should be set for revision and version */ | |
c12d82ef | 74 | #define VMXNET3_UPT_REVISION 0x1 |
786fd2b0 DF |
75 | #define VMXNET3_DEVICE_REVISION 0x1 |
76 | ||
8c6c0478 DF |
77 | /* Number of interrupt vectors for non-MSIx modes */ |
78 | #define VMXNET3_MAX_NMSIX_INTRS (1) | |
79 | ||
786fd2b0 | 80 | /* Macros for rings descriptors access */ |
c5082773 KA |
81 | #define VMXNET3_READ_TX_QUEUE_DESCR8(_d, dpa, field) \ |
82 | (vmw_shmem_ld8(_d, dpa + offsetof(struct Vmxnet3_TxQueueDesc, field))) | |
786fd2b0 | 83 | |
c5082773 KA |
84 | #define VMXNET3_WRITE_TX_QUEUE_DESCR8(_d, dpa, field, value) \ |
85 | (vmw_shmem_st8(_d, dpa + offsetof(struct Vmxnet3_TxQueueDesc, field, value))) | |
786fd2b0 | 86 | |
c5082773 KA |
87 | #define VMXNET3_READ_TX_QUEUE_DESCR32(_d, dpa, field) \ |
88 | (vmw_shmem_ld32(_d, dpa + offsetof(struct Vmxnet3_TxQueueDesc, field))) | |
786fd2b0 | 89 | |
c5082773 KA |
90 | #define VMXNET3_WRITE_TX_QUEUE_DESCR32(_d, dpa, field, value) \ |
91 | (vmw_shmem_st32(_d, dpa + offsetof(struct Vmxnet3_TxQueueDesc, field), value)) | |
786fd2b0 | 92 | |
c5082773 KA |
93 | #define VMXNET3_READ_TX_QUEUE_DESCR64(_d, dpa, field) \ |
94 | (vmw_shmem_ld64(_d, dpa + offsetof(struct Vmxnet3_TxQueueDesc, field))) | |
786fd2b0 | 95 | |
c5082773 KA |
96 | #define VMXNET3_WRITE_TX_QUEUE_DESCR64(_d, dpa, field, value) \ |
97 | (vmw_shmem_st64(_d, dpa + offsetof(struct Vmxnet3_TxQueueDesc, field), value)) | |
786fd2b0 | 98 | |
c5082773 KA |
99 | #define VMXNET3_READ_RX_QUEUE_DESCR64(_d, dpa, field) \ |
100 | (vmw_shmem_ld64(_d, dpa + offsetof(struct Vmxnet3_RxQueueDesc, field))) | |
786fd2b0 | 101 | |
c5082773 KA |
102 | #define VMXNET3_READ_RX_QUEUE_DESCR32(_d, dpa, field) \ |
103 | (vmw_shmem_ld32(_d, dpa + offsetof(struct Vmxnet3_RxQueueDesc, field))) | |
786fd2b0 | 104 | |
c5082773 KA |
105 | #define VMXNET3_WRITE_RX_QUEUE_DESCR64(_d, dpa, field, value) \ |
106 | (vmw_shmem_st64(_d, dpa + offsetof(struct Vmxnet3_RxQueueDesc, field), value)) | |
786fd2b0 | 107 | |
c5082773 KA |
108 | #define VMXNET3_WRITE_RX_QUEUE_DESCR8(_d, dpa, field, value) \ |
109 | (vmw_shmem_st8(_d, dpa + offsetof(struct Vmxnet3_RxQueueDesc, field), value)) | |
786fd2b0 DF |
110 | |
111 | /* Macros for guest driver shared area access */ | |
c5082773 KA |
112 | #define VMXNET3_READ_DRV_SHARED64(_d, shpa, field) \ |
113 | (vmw_shmem_ld64(_d, shpa + offsetof(struct Vmxnet3_DriverShared, field))) | |
786fd2b0 | 114 | |
c5082773 KA |
115 | #define VMXNET3_READ_DRV_SHARED32(_d, shpa, field) \ |
116 | (vmw_shmem_ld32(_d, shpa + offsetof(struct Vmxnet3_DriverShared, field))) | |
786fd2b0 | 117 | |
c5082773 KA |
118 | #define VMXNET3_WRITE_DRV_SHARED32(_d, shpa, field, val) \ |
119 | (vmw_shmem_st32(_d, shpa + offsetof(struct Vmxnet3_DriverShared, field), val)) | |
786fd2b0 | 120 | |
c5082773 KA |
121 | #define VMXNET3_READ_DRV_SHARED16(_d, shpa, field) \ |
122 | (vmw_shmem_ld16(_d, shpa + offsetof(struct Vmxnet3_DriverShared, field))) | |
786fd2b0 | 123 | |
c5082773 KA |
124 | #define VMXNET3_READ_DRV_SHARED8(_d, shpa, field) \ |
125 | (vmw_shmem_ld8(_d, shpa + offsetof(struct Vmxnet3_DriverShared, field))) | |
786fd2b0 | 126 | |
c5082773 KA |
127 | #define VMXNET3_READ_DRV_SHARED(_d, shpa, field, b, l) \ |
128 | (vmw_shmem_read(_d, shpa + offsetof(struct Vmxnet3_DriverShared, field), b, l)) | |
786fd2b0 DF |
129 | |
130 | #define VMXNET_FLAG_IS_SET(field, flag) (((field) & (flag)) == (flag)) | |
131 | ||
db1015e9 | 132 | struct VMXNET3Class { |
b79f17a9 | 133 | PCIDeviceClass parent_class; |
f713d4d2 | 134 | DeviceRealize parent_dc_realize; |
db1015e9 EH |
135 | }; |
136 | typedef struct VMXNET3Class VMXNET3Class; | |
b79f17a9 | 137 | |
8110fa1d EH |
138 | DECLARE_CLASS_CHECKERS(VMXNET3Class, VMXNET3_DEVICE, |
139 | TYPE_VMXNET3) | |
b79f17a9 | 140 | |
c5082773 | 141 | static inline void vmxnet3_ring_init(PCIDevice *d, |
7d37435b | 142 | Vmxnet3Ring *ring, |
786fd2b0 | 143 | hwaddr pa, |
5504bba1 DDAG |
144 | uint32_t size, |
145 | uint32_t cell_size, | |
786fd2b0 DF |
146 | bool zero_region) |
147 | { | |
148 | ring->pa = pa; | |
149 | ring->size = size; | |
150 | ring->cell_size = cell_size; | |
151 | ring->gen = VMXNET3_INIT_GEN; | |
152 | ring->next = 0; | |
153 | ||
154 | if (zero_region) { | |
c5082773 | 155 | vmw_shmem_set(d, pa, 0, size * cell_size); |
786fd2b0 DF |
156 | } |
157 | } | |
158 | ||
159 | #define VMXNET3_RING_DUMP(macro, ring_name, ridx, r) \ | |
5504bba1 | 160 | macro("%s#%d: base %" PRIx64 " size %u cell_size %u gen %d next %u", \ |
786fd2b0 DF |
161 | (ring_name), (ridx), \ |
162 | (r)->pa, (r)->size, (r)->cell_size, (r)->gen, (r)->next) | |
163 | ||
164 | static inline void vmxnet3_ring_inc(Vmxnet3Ring *ring) | |
165 | { | |
166 | if (++ring->next >= ring->size) { | |
167 | ring->next = 0; | |
168 | ring->gen ^= 1; | |
169 | } | |
170 | } | |
171 | ||
172 | static inline void vmxnet3_ring_dec(Vmxnet3Ring *ring) | |
173 | { | |
174 | if (ring->next-- == 0) { | |
175 | ring->next = ring->size - 1; | |
176 | ring->gen ^= 1; | |
177 | } | |
178 | } | |
179 | ||
180 | static inline hwaddr vmxnet3_ring_curr_cell_pa(Vmxnet3Ring *ring) | |
181 | { | |
182 | return ring->pa + ring->next * ring->cell_size; | |
183 | } | |
184 | ||
c5082773 | 185 | static inline void vmxnet3_ring_read_curr_cell(PCIDevice *d, Vmxnet3Ring *ring, |
7d37435b | 186 | void *buff) |
786fd2b0 | 187 | { |
c5082773 | 188 | vmw_shmem_read(d, vmxnet3_ring_curr_cell_pa(ring), buff, ring->cell_size); |
786fd2b0 DF |
189 | } |
190 | ||
c5082773 | 191 | static inline void vmxnet3_ring_write_curr_cell(PCIDevice *d, Vmxnet3Ring *ring, |
7d37435b | 192 | void *buff) |
786fd2b0 | 193 | { |
c5082773 | 194 | vmw_shmem_write(d, vmxnet3_ring_curr_cell_pa(ring), buff, ring->cell_size); |
786fd2b0 DF |
195 | } |
196 | ||
197 | static inline size_t vmxnet3_ring_curr_cell_idx(Vmxnet3Ring *ring) | |
198 | { | |
199 | return ring->next; | |
200 | } | |
201 | ||
202 | static inline uint8_t vmxnet3_ring_curr_gen(Vmxnet3Ring *ring) | |
203 | { | |
204 | return ring->gen; | |
205 | } | |
206 | ||
207 | /* Debug trace-related functions */ | |
208 | static inline void | |
209 | vmxnet3_dump_tx_descr(struct Vmxnet3_TxDesc *descr) | |
210 | { | |
211 | VMW_PKPRN("TX DESCR: " | |
212 | "addr %" PRIx64 ", len: %d, gen: %d, rsvd: %d, " | |
213 | "dtype: %d, ext1: %d, msscof: %d, hlen: %d, om: %d, " | |
214 | "eop: %d, cq: %d, ext2: %d, ti: %d, tci: %d", | |
c527e0af | 215 | descr->addr, descr->len, descr->gen, descr->rsvd, |
786fd2b0 DF |
216 | descr->dtype, descr->ext1, descr->msscof, descr->hlen, descr->om, |
217 | descr->eop, descr->cq, descr->ext2, descr->ti, descr->tci); | |
218 | } | |
219 | ||
220 | static inline void | |
221 | vmxnet3_dump_virt_hdr(struct virtio_net_hdr *vhdr) | |
222 | { | |
223 | VMW_PKPRN("VHDR: flags 0x%x, gso_type: 0x%x, hdr_len: %d, gso_size: %d, " | |
224 | "csum_start: %d, csum_offset: %d", | |
225 | vhdr->flags, vhdr->gso_type, vhdr->hdr_len, vhdr->gso_size, | |
226 | vhdr->csum_start, vhdr->csum_offset); | |
227 | } | |
228 | ||
229 | static inline void | |
230 | vmxnet3_dump_rx_descr(struct Vmxnet3_RxDesc *descr) | |
231 | { | |
232 | VMW_PKPRN("RX DESCR: addr %" PRIx64 ", len: %d, gen: %d, rsvd: %d, " | |
233 | "dtype: %d, ext1: %d, btype: %d", | |
c527e0af | 234 | descr->addr, descr->len, descr->gen, |
786fd2b0 DF |
235 | descr->rsvd, descr->dtype, descr->ext1, descr->btype); |
236 | } | |
237 | ||
786fd2b0 DF |
238 | /* Interrupt management */ |
239 | ||
240 | /* | |
52ea63de | 241 | * This function returns sign whether interrupt line is in asserted state |
786fd2b0 DF |
242 | * This depends on the type of interrupt used. For INTX interrupt line will |
243 | * be asserted until explicit deassertion, for MSI(X) interrupt line will | |
244 | * be deasserted automatically due to notification semantics of the MSI(X) | |
245 | * interrupts | |
246 | */ | |
247 | static bool _vmxnet3_assert_interrupt_line(VMXNET3State *s, uint32_t int_idx) | |
248 | { | |
249 | PCIDevice *d = PCI_DEVICE(s); | |
250 | ||
251 | if (s->msix_used && msix_enabled(d)) { | |
252 | VMW_IRPRN("Sending MSI-X notification for vector %u", int_idx); | |
253 | msix_notify(d, int_idx); | |
254 | return false; | |
255 | } | |
1070048e | 256 | if (msi_enabled(d)) { |
786fd2b0 DF |
257 | VMW_IRPRN("Sending MSI notification for vector %u", int_idx); |
258 | msi_notify(d, int_idx); | |
259 | return false; | |
260 | } | |
261 | ||
262 | VMW_IRPRN("Asserting line for interrupt %u", int_idx); | |
4c89e3e5 | 263 | pci_irq_assert(d); |
786fd2b0 DF |
264 | return true; |
265 | } | |
266 | ||
267 | static void _vmxnet3_deassert_interrupt_line(VMXNET3State *s, int lidx) | |
268 | { | |
269 | PCIDevice *d = PCI_DEVICE(s); | |
270 | ||
271 | /* | |
272 | * This function should never be called for MSI(X) interrupts | |
273 | * because deassertion never required for message interrupts | |
274 | */ | |
275 | assert(!s->msix_used || !msix_enabled(d)); | |
276 | /* | |
277 | * This function should never be called for MSI(X) interrupts | |
278 | * because deassertion never required for message interrupts | |
279 | */ | |
1070048e | 280 | assert(!msi_enabled(d)); |
786fd2b0 DF |
281 | |
282 | VMW_IRPRN("Deasserting line for interrupt %u", lidx); | |
4c89e3e5 | 283 | pci_irq_deassert(d); |
786fd2b0 DF |
284 | } |
285 | ||
286 | static void vmxnet3_update_interrupt_line_state(VMXNET3State *s, int lidx) | |
287 | { | |
288 | if (!s->interrupt_states[lidx].is_pending && | |
289 | s->interrupt_states[lidx].is_asserted) { | |
290 | VMW_IRPRN("New interrupt line state for index %d is DOWN", lidx); | |
291 | _vmxnet3_deassert_interrupt_line(s, lidx); | |
292 | s->interrupt_states[lidx].is_asserted = false; | |
293 | return; | |
294 | } | |
295 | ||
296 | if (s->interrupt_states[lidx].is_pending && | |
297 | !s->interrupt_states[lidx].is_masked && | |
298 | !s->interrupt_states[lidx].is_asserted) { | |
299 | VMW_IRPRN("New interrupt line state for index %d is UP", lidx); | |
300 | s->interrupt_states[lidx].is_asserted = | |
301 | _vmxnet3_assert_interrupt_line(s, lidx); | |
302 | s->interrupt_states[lidx].is_pending = false; | |
303 | return; | |
304 | } | |
305 | } | |
306 | ||
307 | static void vmxnet3_trigger_interrupt(VMXNET3State *s, int lidx) | |
308 | { | |
309 | PCIDevice *d = PCI_DEVICE(s); | |
310 | s->interrupt_states[lidx].is_pending = true; | |
311 | vmxnet3_update_interrupt_line_state(s, lidx); | |
312 | ||
313 | if (s->msix_used && msix_enabled(d) && s->auto_int_masking) { | |
314 | goto do_automask; | |
315 | } | |
316 | ||
1070048e | 317 | if (msi_enabled(d) && s->auto_int_masking) { |
786fd2b0 DF |
318 | goto do_automask; |
319 | } | |
320 | ||
321 | return; | |
322 | ||
323 | do_automask: | |
324 | s->interrupt_states[lidx].is_masked = true; | |
325 | vmxnet3_update_interrupt_line_state(s, lidx); | |
326 | } | |
327 | ||
328 | static bool vmxnet3_interrupt_asserted(VMXNET3State *s, int lidx) | |
329 | { | |
330 | return s->interrupt_states[lidx].is_asserted; | |
331 | } | |
332 | ||
333 | static void vmxnet3_clear_interrupt(VMXNET3State *s, int int_idx) | |
334 | { | |
335 | s->interrupt_states[int_idx].is_pending = false; | |
336 | if (s->auto_int_masking) { | |
337 | s->interrupt_states[int_idx].is_masked = true; | |
338 | } | |
339 | vmxnet3_update_interrupt_line_state(s, int_idx); | |
340 | } | |
341 | ||
342 | static void | |
343 | vmxnet3_on_interrupt_mask_changed(VMXNET3State *s, int lidx, bool is_masked) | |
344 | { | |
345 | s->interrupt_states[lidx].is_masked = is_masked; | |
346 | vmxnet3_update_interrupt_line_state(s, lidx); | |
347 | } | |
348 | ||
c5082773 | 349 | static bool vmxnet3_verify_driver_magic(PCIDevice *d, hwaddr dshmem) |
786fd2b0 | 350 | { |
c5082773 | 351 | return (VMXNET3_READ_DRV_SHARED32(d, dshmem, magic) == VMXNET3_REV1_MAGIC); |
786fd2b0 DF |
352 | } |
353 | ||
354 | #define VMXNET3_GET_BYTE(x, byte_num) (((x) >> (byte_num)*8) & 0xFF) | |
355 | #define VMXNET3_MAKE_BYTE(byte_num, val) \ | |
356 | (((uint32_t)((val) & 0xFF)) << (byte_num)*8) | |
357 | ||
358 | static void vmxnet3_set_variable_mac(VMXNET3State *s, uint32_t h, uint32_t l) | |
359 | { | |
360 | s->conf.macaddr.a[0] = VMXNET3_GET_BYTE(l, 0); | |
361 | s->conf.macaddr.a[1] = VMXNET3_GET_BYTE(l, 1); | |
362 | s->conf.macaddr.a[2] = VMXNET3_GET_BYTE(l, 2); | |
363 | s->conf.macaddr.a[3] = VMXNET3_GET_BYTE(l, 3); | |
364 | s->conf.macaddr.a[4] = VMXNET3_GET_BYTE(h, 0); | |
365 | s->conf.macaddr.a[5] = VMXNET3_GET_BYTE(h, 1); | |
366 | ||
ab647872 | 367 | VMW_CFPRN("Variable MAC: " MAC_FMT, MAC_ARG(s->conf.macaddr.a)); |
786fd2b0 DF |
368 | |
369 | qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a); | |
370 | } | |
371 | ||
372 | static uint64_t vmxnet3_get_mac_low(MACAddr *addr) | |
373 | { | |
374 | return VMXNET3_MAKE_BYTE(0, addr->a[0]) | | |
375 | VMXNET3_MAKE_BYTE(1, addr->a[1]) | | |
376 | VMXNET3_MAKE_BYTE(2, addr->a[2]) | | |
377 | VMXNET3_MAKE_BYTE(3, addr->a[3]); | |
378 | } | |
379 | ||
380 | static uint64_t vmxnet3_get_mac_high(MACAddr *addr) | |
381 | { | |
382 | return VMXNET3_MAKE_BYTE(0, addr->a[4]) | | |
383 | VMXNET3_MAKE_BYTE(1, addr->a[5]); | |
384 | } | |
385 | ||
386 | static void | |
387 | vmxnet3_inc_tx_consumption_counter(VMXNET3State *s, int qidx) | |
388 | { | |
389 | vmxnet3_ring_inc(&s->txq_descr[qidx].tx_ring); | |
390 | } | |
391 | ||
392 | static inline void | |
393 | vmxnet3_inc_rx_consumption_counter(VMXNET3State *s, int qidx, int ridx) | |
394 | { | |
395 | vmxnet3_ring_inc(&s->rxq_descr[qidx].rx_ring[ridx]); | |
396 | } | |
397 | ||
398 | static inline void | |
399 | vmxnet3_inc_tx_completion_counter(VMXNET3State *s, int qidx) | |
400 | { | |
401 | vmxnet3_ring_inc(&s->txq_descr[qidx].comp_ring); | |
402 | } | |
403 | ||
404 | static void | |
405 | vmxnet3_inc_rx_completion_counter(VMXNET3State *s, int qidx) | |
406 | { | |
407 | vmxnet3_ring_inc(&s->rxq_descr[qidx].comp_ring); | |
408 | } | |
409 | ||
410 | static void | |
411 | vmxnet3_dec_rx_completion_counter(VMXNET3State *s, int qidx) | |
412 | { | |
413 | vmxnet3_ring_dec(&s->rxq_descr[qidx].comp_ring); | |
414 | } | |
415 | ||
3a87d009 | 416 | static void vmxnet3_complete_packet(VMXNET3State *s, int qidx, uint32_t tx_ridx) |
786fd2b0 DF |
417 | { |
418 | struct Vmxnet3_TxCompDesc txcq_descr; | |
c5082773 | 419 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
420 | |
421 | VMXNET3_RING_DUMP(VMW_RIPRN, "TXC", qidx, &s->txq_descr[qidx].comp_ring); | |
422 | ||
fdda170e | 423 | memset(&txcq_descr, 0, sizeof(txcq_descr)); |
786fd2b0 DF |
424 | txcq_descr.txdIdx = tx_ridx; |
425 | txcq_descr.gen = vmxnet3_ring_curr_gen(&s->txq_descr[qidx].comp_ring); | |
c527e0af TH |
426 | txcq_descr.val1 = cpu_to_le32(txcq_descr.val1); |
427 | txcq_descr.val2 = cpu_to_le32(txcq_descr.val2); | |
c5082773 | 428 | vmxnet3_ring_write_curr_cell(d, &s->txq_descr[qidx].comp_ring, &txcq_descr); |
786fd2b0 DF |
429 | |
430 | /* Flush changes in TX descriptor before changing the counter value */ | |
431 | smp_wmb(); | |
432 | ||
433 | vmxnet3_inc_tx_completion_counter(s, qidx); | |
434 | vmxnet3_trigger_interrupt(s, s->txq_descr[qidx].intr_idx); | |
435 | } | |
436 | ||
437 | static bool | |
438 | vmxnet3_setup_tx_offloads(VMXNET3State *s) | |
439 | { | |
440 | switch (s->offload_mode) { | |
441 | case VMXNET3_OM_NONE: | |
f9a9eb16 | 442 | return net_tx_pkt_build_vheader(s->tx_pkt, false, false, 0); |
786fd2b0 DF |
443 | |
444 | case VMXNET3_OM_CSUM: | |
786fd2b0 | 445 | VMW_PKPRN("L4 CSO requested\n"); |
f9a9eb16 | 446 | return net_tx_pkt_build_vheader(s->tx_pkt, false, true, 0); |
786fd2b0 DF |
447 | |
448 | case VMXNET3_OM_TSO: | |
786fd2b0 | 449 | VMW_PKPRN("GSO offload requested."); |
f9a9eb16 AO |
450 | if (!net_tx_pkt_build_vheader(s->tx_pkt, true, true, |
451 | s->cso_or_gso_size)) { | |
452 | return false; | |
453 | } | |
454 | net_tx_pkt_update_ip_checksums(s->tx_pkt); | |
786fd2b0 DF |
455 | break; |
456 | ||
457 | default: | |
dfc6f865 | 458 | g_assert_not_reached(); |
786fd2b0 DF |
459 | return false; |
460 | } | |
461 | ||
462 | return true; | |
463 | } | |
464 | ||
465 | static void | |
466 | vmxnet3_tx_retrieve_metadata(VMXNET3State *s, | |
467 | const struct Vmxnet3_TxDesc *txd) | |
468 | { | |
469 | s->offload_mode = txd->om; | |
470 | s->cso_or_gso_size = txd->msscof; | |
471 | s->tci = txd->tci; | |
472 | s->needs_vlan = txd->ti; | |
473 | } | |
474 | ||
475 | typedef enum { | |
476 | VMXNET3_PKT_STATUS_OK, | |
477 | VMXNET3_PKT_STATUS_ERROR, | |
478 | VMXNET3_PKT_STATUS_DISCARD,/* only for tx */ | |
479 | VMXNET3_PKT_STATUS_OUT_OF_BUF /* only for rx */ | |
480 | } Vmxnet3PktStatus; | |
481 | ||
482 | static void | |
483 | vmxnet3_on_tx_done_update_stats(VMXNET3State *s, int qidx, | |
484 | Vmxnet3PktStatus status) | |
485 | { | |
605d52e6 | 486 | size_t tot_len = net_tx_pkt_get_total_len(s->tx_pkt); |
786fd2b0 DF |
487 | struct UPT1_TxStats *stats = &s->txq_descr[qidx].txq_stats; |
488 | ||
489 | switch (status) { | |
490 | case VMXNET3_PKT_STATUS_OK: | |
605d52e6 | 491 | switch (net_tx_pkt_get_packet_type(s->tx_pkt)) { |
786fd2b0 DF |
492 | case ETH_PKT_BCAST: |
493 | stats->bcastPktsTxOK++; | |
494 | stats->bcastBytesTxOK += tot_len; | |
495 | break; | |
496 | case ETH_PKT_MCAST: | |
497 | stats->mcastPktsTxOK++; | |
498 | stats->mcastBytesTxOK += tot_len; | |
499 | break; | |
500 | case ETH_PKT_UCAST: | |
501 | stats->ucastPktsTxOK++; | |
502 | stats->ucastBytesTxOK += tot_len; | |
503 | break; | |
504 | default: | |
dfc6f865 | 505 | g_assert_not_reached(); |
786fd2b0 DF |
506 | } |
507 | ||
508 | if (s->offload_mode == VMXNET3_OM_TSO) { | |
509 | /* | |
510 | * According to VMWARE headers this statistic is a number | |
511 | * of packets after segmentation but since we don't have | |
512 | * this information in QEMU model, the best we can do is to | |
513 | * provide number of non-segmented packets | |
514 | */ | |
515 | stats->TSOPktsTxOK++; | |
516 | stats->TSOBytesTxOK += tot_len; | |
517 | } | |
518 | break; | |
519 | ||
520 | case VMXNET3_PKT_STATUS_DISCARD: | |
521 | stats->pktsTxDiscard++; | |
522 | break; | |
523 | ||
524 | case VMXNET3_PKT_STATUS_ERROR: | |
525 | stats->pktsTxError++; | |
526 | break; | |
527 | ||
528 | default: | |
dfc6f865 | 529 | g_assert_not_reached(); |
786fd2b0 DF |
530 | } |
531 | } | |
532 | ||
533 | static void | |
534 | vmxnet3_on_rx_done_update_stats(VMXNET3State *s, | |
535 | int qidx, | |
536 | Vmxnet3PktStatus status) | |
537 | { | |
538 | struct UPT1_RxStats *stats = &s->rxq_descr[qidx].rxq_stats; | |
605d52e6 | 539 | size_t tot_len = net_rx_pkt_get_total_len(s->rx_pkt); |
786fd2b0 DF |
540 | |
541 | switch (status) { | |
542 | case VMXNET3_PKT_STATUS_OUT_OF_BUF: | |
543 | stats->pktsRxOutOfBuf++; | |
544 | break; | |
545 | ||
546 | case VMXNET3_PKT_STATUS_ERROR: | |
547 | stats->pktsRxError++; | |
548 | break; | |
549 | case VMXNET3_PKT_STATUS_OK: | |
605d52e6 | 550 | switch (net_rx_pkt_get_packet_type(s->rx_pkt)) { |
786fd2b0 DF |
551 | case ETH_PKT_BCAST: |
552 | stats->bcastPktsRxOK++; | |
553 | stats->bcastBytesRxOK += tot_len; | |
554 | break; | |
555 | case ETH_PKT_MCAST: | |
556 | stats->mcastPktsRxOK++; | |
557 | stats->mcastBytesRxOK += tot_len; | |
558 | break; | |
559 | case ETH_PKT_UCAST: | |
560 | stats->ucastPktsRxOK++; | |
561 | stats->ucastBytesRxOK += tot_len; | |
562 | break; | |
563 | default: | |
dfc6f865 | 564 | g_assert_not_reached(); |
786fd2b0 DF |
565 | } |
566 | ||
567 | if (tot_len > s->mtu) { | |
568 | stats->LROPktsRxOK++; | |
569 | stats->LROBytesRxOK += tot_len; | |
570 | } | |
571 | break; | |
572 | default: | |
dfc6f865 | 573 | g_assert_not_reached(); |
786fd2b0 DF |
574 | } |
575 | } | |
576 | ||
c527e0af TH |
577 | static inline void |
578 | vmxnet3_ring_read_curr_txdesc(PCIDevice *pcidev, Vmxnet3Ring *ring, | |
579 | struct Vmxnet3_TxDesc *txd) | |
580 | { | |
581 | vmxnet3_ring_read_curr_cell(pcidev, ring, txd); | |
582 | txd->addr = le64_to_cpu(txd->addr); | |
583 | txd->val1 = le32_to_cpu(txd->val1); | |
584 | txd->val2 = le32_to_cpu(txd->val2); | |
585 | } | |
586 | ||
786fd2b0 DF |
587 | static inline bool |
588 | vmxnet3_pop_next_tx_descr(VMXNET3State *s, | |
589 | int qidx, | |
590 | struct Vmxnet3_TxDesc *txd, | |
591 | uint32_t *descr_idx) | |
592 | { | |
593 | Vmxnet3Ring *ring = &s->txq_descr[qidx].tx_ring; | |
c5082773 | 594 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 | 595 | |
c527e0af | 596 | vmxnet3_ring_read_curr_txdesc(d, ring, txd); |
786fd2b0 DF |
597 | if (txd->gen == vmxnet3_ring_curr_gen(ring)) { |
598 | /* Only read after generation field verification */ | |
599 | smp_rmb(); | |
600 | /* Re-read to be sure we got the latest version */ | |
c527e0af | 601 | vmxnet3_ring_read_curr_txdesc(d, ring, txd); |
786fd2b0 DF |
602 | VMXNET3_RING_DUMP(VMW_RIPRN, "TX", qidx, ring); |
603 | *descr_idx = vmxnet3_ring_curr_cell_idx(ring); | |
604 | vmxnet3_inc_tx_consumption_counter(s, qidx); | |
605 | return true; | |
606 | } | |
607 | ||
608 | return false; | |
609 | } | |
610 | ||
611 | static bool | |
612 | vmxnet3_send_packet(VMXNET3State *s, uint32_t qidx) | |
613 | { | |
614 | Vmxnet3PktStatus status = VMXNET3_PKT_STATUS_OK; | |
615 | ||
616 | if (!vmxnet3_setup_tx_offloads(s)) { | |
617 | status = VMXNET3_PKT_STATUS_ERROR; | |
618 | goto func_exit; | |
619 | } | |
620 | ||
621 | /* debug prints */ | |
605d52e6 DF |
622 | vmxnet3_dump_virt_hdr(net_tx_pkt_get_vhdr(s->tx_pkt)); |
623 | net_tx_pkt_dump(s->tx_pkt); | |
786fd2b0 | 624 | |
605d52e6 | 625 | if (!net_tx_pkt_send(s->tx_pkt, qemu_get_queue(s->nic))) { |
786fd2b0 DF |
626 | status = VMXNET3_PKT_STATUS_DISCARD; |
627 | goto func_exit; | |
628 | } | |
629 | ||
630 | func_exit: | |
631 | vmxnet3_on_tx_done_update_stats(s, qidx, status); | |
632 | return (status == VMXNET3_PKT_STATUS_OK); | |
633 | } | |
634 | ||
635 | static void vmxnet3_process_tx_queue(VMXNET3State *s, int qidx) | |
636 | { | |
637 | struct Vmxnet3_TxDesc txd; | |
638 | uint32_t txd_idx; | |
639 | uint32_t data_len; | |
640 | hwaddr data_pa; | |
641 | ||
642 | for (;;) { | |
643 | if (!vmxnet3_pop_next_tx_descr(s, qidx, &txd, &txd_idx)) { | |
644 | break; | |
645 | } | |
646 | ||
647 | vmxnet3_dump_tx_descr(&txd); | |
648 | ||
649 | if (!s->skip_current_tx_pkt) { | |
650 | data_len = (txd.len > 0) ? txd.len : VMXNET3_MAX_TX_BUF_SIZE; | |
c527e0af | 651 | data_pa = txd.addr; |
786fd2b0 | 652 | |
a51db580 AO |
653 | if (!net_tx_pkt_add_raw_fragment_pci(s->tx_pkt, PCI_DEVICE(s), |
654 | data_pa, data_len)) { | |
786fd2b0 DF |
655 | s->skip_current_tx_pkt = true; |
656 | } | |
657 | } | |
658 | ||
659 | if (s->tx_sop) { | |
660 | vmxnet3_tx_retrieve_metadata(s, &txd); | |
661 | s->tx_sop = false; | |
662 | } | |
663 | ||
664 | if (txd.eop) { | |
605d52e6 | 665 | if (!s->skip_current_tx_pkt && net_tx_pkt_parse(s->tx_pkt)) { |
786fd2b0 | 666 | if (s->needs_vlan) { |
605d52e6 | 667 | net_tx_pkt_setup_vlan_header(s->tx_pkt, s->tci); |
786fd2b0 DF |
668 | } |
669 | ||
670 | vmxnet3_send_packet(s, qidx); | |
671 | } else { | |
672 | vmxnet3_on_tx_done_update_stats(s, qidx, | |
673 | VMXNET3_PKT_STATUS_ERROR); | |
674 | } | |
675 | ||
676 | vmxnet3_complete_packet(s, qidx, txd_idx); | |
677 | s->tx_sop = true; | |
678 | s->skip_current_tx_pkt = false; | |
a51db580 AO |
679 | net_tx_pkt_reset(s->tx_pkt, |
680 | net_tx_pkt_unmap_frag_pci, PCI_DEVICE(s)); | |
786fd2b0 DF |
681 | } |
682 | } | |
1c5618a2 AO |
683 | |
684 | net_tx_pkt_reset(s->tx_pkt, net_tx_pkt_unmap_frag_pci, PCI_DEVICE(s)); | |
786fd2b0 DF |
685 | } |
686 | ||
687 | static inline void | |
688 | vmxnet3_read_next_rx_descr(VMXNET3State *s, int qidx, int ridx, | |
689 | struct Vmxnet3_RxDesc *dbuf, uint32_t *didx) | |
690 | { | |
c5082773 KA |
691 | PCIDevice *d = PCI_DEVICE(s); |
692 | ||
786fd2b0 DF |
693 | Vmxnet3Ring *ring = &s->rxq_descr[qidx].rx_ring[ridx]; |
694 | *didx = vmxnet3_ring_curr_cell_idx(ring); | |
c5082773 | 695 | vmxnet3_ring_read_curr_cell(d, ring, dbuf); |
c527e0af TH |
696 | dbuf->addr = le64_to_cpu(dbuf->addr); |
697 | dbuf->val1 = le32_to_cpu(dbuf->val1); | |
698 | dbuf->ext1 = le32_to_cpu(dbuf->ext1); | |
786fd2b0 DF |
699 | } |
700 | ||
701 | static inline uint8_t | |
702 | vmxnet3_get_rx_ring_gen(VMXNET3State *s, int qidx, int ridx) | |
703 | { | |
704 | return s->rxq_descr[qidx].rx_ring[ridx].gen; | |
705 | } | |
706 | ||
707 | static inline hwaddr | |
708 | vmxnet3_pop_rxc_descr(VMXNET3State *s, int qidx, uint32_t *descr_gen) | |
709 | { | |
710 | uint8_t ring_gen; | |
711 | struct Vmxnet3_RxCompDesc rxcd; | |
712 | ||
713 | hwaddr daddr = | |
714 | vmxnet3_ring_curr_cell_pa(&s->rxq_descr[qidx].comp_ring); | |
715 | ||
c5082773 KA |
716 | pci_dma_read(PCI_DEVICE(s), |
717 | daddr, &rxcd, sizeof(struct Vmxnet3_RxCompDesc)); | |
c527e0af TH |
718 | rxcd.val1 = le32_to_cpu(rxcd.val1); |
719 | rxcd.val2 = le32_to_cpu(rxcd.val2); | |
720 | rxcd.val3 = le32_to_cpu(rxcd.val3); | |
786fd2b0 DF |
721 | ring_gen = vmxnet3_ring_curr_gen(&s->rxq_descr[qidx].comp_ring); |
722 | ||
723 | if (rxcd.gen != ring_gen) { | |
724 | *descr_gen = ring_gen; | |
725 | vmxnet3_inc_rx_completion_counter(s, qidx); | |
726 | return daddr; | |
727 | } | |
728 | ||
729 | return 0; | |
730 | } | |
731 | ||
732 | static inline void | |
733 | vmxnet3_revert_rxc_descr(VMXNET3State *s, int qidx) | |
734 | { | |
735 | vmxnet3_dec_rx_completion_counter(s, qidx); | |
736 | } | |
737 | ||
738 | #define RXQ_IDX (0) | |
739 | #define RX_HEAD_BODY_RING (0) | |
740 | #define RX_BODY_ONLY_RING (1) | |
741 | ||
742 | static bool | |
743 | vmxnet3_get_next_head_rx_descr(VMXNET3State *s, | |
744 | struct Vmxnet3_RxDesc *descr_buf, | |
745 | uint32_t *descr_idx, | |
746 | uint32_t *ridx) | |
747 | { | |
748 | for (;;) { | |
749 | uint32_t ring_gen; | |
750 | vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_HEAD_BODY_RING, | |
751 | descr_buf, descr_idx); | |
752 | ||
753 | /* If no more free descriptors - return */ | |
754 | ring_gen = vmxnet3_get_rx_ring_gen(s, RXQ_IDX, RX_HEAD_BODY_RING); | |
755 | if (descr_buf->gen != ring_gen) { | |
756 | return false; | |
757 | } | |
758 | ||
759 | /* Only read after generation field verification */ | |
760 | smp_rmb(); | |
761 | /* Re-read to be sure we got the latest version */ | |
762 | vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_HEAD_BODY_RING, | |
763 | descr_buf, descr_idx); | |
764 | ||
765 | /* Mark current descriptor as used/skipped */ | |
766 | vmxnet3_inc_rx_consumption_counter(s, RXQ_IDX, RX_HEAD_BODY_RING); | |
767 | ||
768 | /* If this is what we are looking for - return */ | |
769 | if (descr_buf->btype == VMXNET3_RXD_BTYPE_HEAD) { | |
770 | *ridx = RX_HEAD_BODY_RING; | |
771 | return true; | |
772 | } | |
773 | } | |
774 | } | |
775 | ||
776 | static bool | |
777 | vmxnet3_get_next_body_rx_descr(VMXNET3State *s, | |
778 | struct Vmxnet3_RxDesc *d, | |
779 | uint32_t *didx, | |
780 | uint32_t *ridx) | |
781 | { | |
782 | vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_HEAD_BODY_RING, d, didx); | |
783 | ||
784 | /* Try to find corresponding descriptor in head/body ring */ | |
785 | if (d->gen == vmxnet3_get_rx_ring_gen(s, RXQ_IDX, RX_HEAD_BODY_RING)) { | |
786 | /* Only read after generation field verification */ | |
787 | smp_rmb(); | |
788 | /* Re-read to be sure we got the latest version */ | |
789 | vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_HEAD_BODY_RING, d, didx); | |
790 | if (d->btype == VMXNET3_RXD_BTYPE_BODY) { | |
791 | vmxnet3_inc_rx_consumption_counter(s, RXQ_IDX, RX_HEAD_BODY_RING); | |
792 | *ridx = RX_HEAD_BODY_RING; | |
793 | return true; | |
794 | } | |
795 | } | |
796 | ||
797 | /* | |
798 | * If there is no free descriptors on head/body ring or next free | |
799 | * descriptor is a head descriptor switch to body only ring | |
800 | */ | |
801 | vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_BODY_ONLY_RING, d, didx); | |
802 | ||
803 | /* If no more free descriptors - return */ | |
804 | if (d->gen == vmxnet3_get_rx_ring_gen(s, RXQ_IDX, RX_BODY_ONLY_RING)) { | |
805 | /* Only read after generation field verification */ | |
806 | smp_rmb(); | |
807 | /* Re-read to be sure we got the latest version */ | |
808 | vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_BODY_ONLY_RING, d, didx); | |
809 | assert(d->btype == VMXNET3_RXD_BTYPE_BODY); | |
810 | *ridx = RX_BODY_ONLY_RING; | |
811 | vmxnet3_inc_rx_consumption_counter(s, RXQ_IDX, RX_BODY_ONLY_RING); | |
812 | return true; | |
813 | } | |
814 | ||
815 | return false; | |
816 | } | |
817 | ||
818 | static inline bool | |
819 | vmxnet3_get_next_rx_descr(VMXNET3State *s, bool is_head, | |
820 | struct Vmxnet3_RxDesc *descr_buf, | |
821 | uint32_t *descr_idx, | |
822 | uint32_t *ridx) | |
823 | { | |
824 | if (is_head || !s->rx_packets_compound) { | |
825 | return vmxnet3_get_next_head_rx_descr(s, descr_buf, descr_idx, ridx); | |
826 | } else { | |
827 | return vmxnet3_get_next_body_rx_descr(s, descr_buf, descr_idx, ridx); | |
828 | } | |
829 | } | |
830 | ||
80da311d DR |
831 | /* In case packet was csum offloaded (either NEEDS_CSUM or DATA_VALID), |
832 | * the implementation always passes an RxCompDesc with a "Checksum | |
833 | * calculated and found correct" to the OS (cnc=0 and tuc=1, see | |
834 | * vmxnet3_rx_update_descr). This emulates the observed ESXi behavior. | |
835 | * | |
836 | * Therefore, if packet has the NEEDS_CSUM set, we must calculate | |
837 | * and place a fully computed checksum into the tcp/udp header. | |
838 | * Otherwise, the OS driver will receive a checksum-correct indication | |
839 | * (CHECKSUM_UNNECESSARY), but with the actual tcp/udp checksum field | |
840 | * having just the pseudo header csum value. | |
841 | * | |
842 | * While this is not a problem if packet is destined for local delivery, | |
843 | * in the case the host OS performs forwarding, it will forward an | |
844 | * incorrectly checksummed packet. | |
845 | */ | |
605d52e6 | 846 | static void vmxnet3_rx_need_csum_calculate(struct NetRxPkt *pkt, |
80da311d DR |
847 | const void *pkt_data, |
848 | size_t pkt_len) | |
849 | { | |
850 | struct virtio_net_hdr *vhdr; | |
65f474bb AO |
851 | bool hasip4, hasip6; |
852 | EthL4HdrProto l4hdr_proto; | |
80da311d DR |
853 | uint8_t *data; |
854 | int len; | |
855 | ||
605d52e6 | 856 | vhdr = net_rx_pkt_get_vhdr(pkt); |
80da311d DR |
857 | if (!VMXNET_FLAG_IS_SET(vhdr->flags, VIRTIO_NET_HDR_F_NEEDS_CSUM)) { |
858 | return; | |
859 | } | |
860 | ||
65f474bb AO |
861 | net_rx_pkt_get_protocols(pkt, &hasip4, &hasip6, &l4hdr_proto); |
862 | if (!(hasip4 || hasip6) || | |
863 | (l4hdr_proto != ETH_L4_HDR_PROTO_TCP && | |
864 | l4hdr_proto != ETH_L4_HDR_PROTO_UDP)) { | |
80da311d DR |
865 | return; |
866 | } | |
867 | ||
868 | vmxnet3_dump_virt_hdr(vhdr); | |
869 | ||
870 | /* Validate packet len: csum_start + scum_offset + length of csum field */ | |
871 | if (pkt_len < (vhdr->csum_start + vhdr->csum_offset + 2)) { | |
2e4ca7db | 872 | VMW_PKPRN("packet len:%zu < csum_start(%d) + csum_offset(%d) + 2, " |
80da311d | 873 | "cannot calculate checksum", |
b9f7c377 | 874 | pkt_len, vhdr->csum_start, vhdr->csum_offset); |
80da311d DR |
875 | return; |
876 | } | |
877 | ||
878 | data = (uint8_t *)pkt_data + vhdr->csum_start; | |
879 | len = pkt_len - vhdr->csum_start; | |
880 | /* Put the checksum obtained into the packet */ | |
0dacea92 ES |
881 | stw_be_p(data + vhdr->csum_offset, |
882 | net_checksum_finish_nozero(net_checksum_add(len, data))); | |
80da311d DR |
883 | |
884 | vhdr->flags &= ~VIRTIO_NET_HDR_F_NEEDS_CSUM; | |
885 | vhdr->flags |= VIRTIO_NET_HDR_F_DATA_VALID; | |
886 | } | |
887 | ||
605d52e6 | 888 | static void vmxnet3_rx_update_descr(struct NetRxPkt *pkt, |
786fd2b0 DF |
889 | struct Vmxnet3_RxCompDesc *rxcd) |
890 | { | |
891 | int csum_ok, is_gso; | |
65f474bb AO |
892 | bool hasip4, hasip6; |
893 | EthL4HdrProto l4hdr_proto; | |
786fd2b0 DF |
894 | struct virtio_net_hdr *vhdr; |
895 | uint8_t offload_type; | |
896 | ||
605d52e6 | 897 | if (net_rx_pkt_is_vlan_stripped(pkt)) { |
786fd2b0 | 898 | rxcd->ts = 1; |
605d52e6 | 899 | rxcd->tci = net_rx_pkt_get_vlan_tag(pkt); |
786fd2b0 DF |
900 | } |
901 | ||
605d52e6 | 902 | vhdr = net_rx_pkt_get_vhdr(pkt); |
786fd2b0 DF |
903 | /* |
904 | * Checksum is valid when lower level tell so or when lower level | |
905 | * requires checksum offload telling that packet produced/bridged | |
906 | * locally and did travel over network after last checksum calculation | |
907 | * or production | |
908 | */ | |
909 | csum_ok = VMXNET_FLAG_IS_SET(vhdr->flags, VIRTIO_NET_HDR_F_DATA_VALID) || | |
910 | VMXNET_FLAG_IS_SET(vhdr->flags, VIRTIO_NET_HDR_F_NEEDS_CSUM); | |
911 | ||
912 | offload_type = vhdr->gso_type & ~VIRTIO_NET_HDR_GSO_ECN; | |
913 | is_gso = (offload_type != VIRTIO_NET_HDR_GSO_NONE) ? 1 : 0; | |
914 | ||
915 | if (!csum_ok && !is_gso) { | |
916 | goto nocsum; | |
917 | } | |
918 | ||
65f474bb AO |
919 | net_rx_pkt_get_protocols(pkt, &hasip4, &hasip6, &l4hdr_proto); |
920 | if ((l4hdr_proto != ETH_L4_HDR_PROTO_TCP && | |
921 | l4hdr_proto != ETH_L4_HDR_PROTO_UDP) || | |
922 | (!hasip4 && !hasip6)) { | |
786fd2b0 DF |
923 | goto nocsum; |
924 | } | |
925 | ||
926 | rxcd->cnc = 0; | |
69ff5ef8 AO |
927 | rxcd->v4 = hasip4 ? 1 : 0; |
928 | rxcd->v6 = hasip6 ? 1 : 0; | |
65f474bb AO |
929 | rxcd->tcp = l4hdr_proto == ETH_L4_HDR_PROTO_TCP; |
930 | rxcd->udp = l4hdr_proto == ETH_L4_HDR_PROTO_UDP; | |
786fd2b0 DF |
931 | rxcd->fcs = rxcd->tuc = rxcd->ipc = 1; |
932 | return; | |
933 | ||
934 | nocsum: | |
935 | rxcd->cnc = 1; | |
936 | return; | |
937 | } | |
938 | ||
939 | static void | |
11171010 DF |
940 | vmxnet3_pci_dma_writev(PCIDevice *pci_dev, |
941 | const struct iovec *iov, | |
942 | size_t start_iov_off, | |
943 | hwaddr target_addr, | |
944 | size_t bytes_to_copy) | |
786fd2b0 DF |
945 | { |
946 | size_t curr_off = 0; | |
947 | size_t copied = 0; | |
948 | ||
949 | while (bytes_to_copy) { | |
950 | if (start_iov_off < (curr_off + iov->iov_len)) { | |
951 | size_t chunk_len = | |
952 | MIN((curr_off + iov->iov_len) - start_iov_off, bytes_to_copy); | |
953 | ||
11171010 DF |
954 | pci_dma_write(pci_dev, target_addr + copied, |
955 | iov->iov_base + start_iov_off - curr_off, | |
956 | chunk_len); | |
786fd2b0 DF |
957 | |
958 | copied += chunk_len; | |
959 | start_iov_off += chunk_len; | |
960 | curr_off = start_iov_off; | |
961 | bytes_to_copy -= chunk_len; | |
962 | } else { | |
963 | curr_off += iov->iov_len; | |
964 | } | |
965 | iov++; | |
966 | } | |
967 | } | |
968 | ||
c527e0af TH |
969 | static void |
970 | vmxnet3_pci_dma_write_rxcd(PCIDevice *pcidev, dma_addr_t pa, | |
971 | struct Vmxnet3_RxCompDesc *rxcd) | |
972 | { | |
973 | rxcd->val1 = cpu_to_le32(rxcd->val1); | |
974 | rxcd->val2 = cpu_to_le32(rxcd->val2); | |
975 | rxcd->val3 = cpu_to_le32(rxcd->val3); | |
976 | pci_dma_write(pcidev, pa, rxcd, sizeof(*rxcd)); | |
977 | } | |
978 | ||
786fd2b0 DF |
979 | static bool |
980 | vmxnet3_indicate_packet(VMXNET3State *s) | |
981 | { | |
982 | struct Vmxnet3_RxDesc rxd; | |
c5082773 | 983 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
984 | bool is_head = true; |
985 | uint32_t rxd_idx; | |
c707582b | 986 | uint32_t rx_ridx = 0; |
786fd2b0 DF |
987 | |
988 | struct Vmxnet3_RxCompDesc rxcd; | |
989 | uint32_t new_rxcd_gen = VMXNET3_INIT_GEN; | |
990 | hwaddr new_rxcd_pa = 0; | |
991 | hwaddr ready_rxcd_pa = 0; | |
605d52e6 | 992 | struct iovec *data = net_rx_pkt_get_iovec(s->rx_pkt); |
786fd2b0 | 993 | size_t bytes_copied = 0; |
605d52e6 | 994 | size_t bytes_left = net_rx_pkt_get_total_len(s->rx_pkt); |
786fd2b0 DF |
995 | uint16_t num_frags = 0; |
996 | size_t chunk_size; | |
997 | ||
605d52e6 | 998 | net_rx_pkt_dump(s->rx_pkt); |
786fd2b0 DF |
999 | |
1000 | while (bytes_left > 0) { | |
1001 | ||
1002 | /* cannot add more frags to packet */ | |
1003 | if (num_frags == s->max_rx_frags) { | |
1004 | break; | |
1005 | } | |
1006 | ||
1007 | new_rxcd_pa = vmxnet3_pop_rxc_descr(s, RXQ_IDX, &new_rxcd_gen); | |
1008 | if (!new_rxcd_pa) { | |
1009 | break; | |
1010 | } | |
1011 | ||
1012 | if (!vmxnet3_get_next_rx_descr(s, is_head, &rxd, &rxd_idx, &rx_ridx)) { | |
1013 | break; | |
1014 | } | |
1015 | ||
1016 | chunk_size = MIN(bytes_left, rxd.len); | |
c527e0af | 1017 | vmxnet3_pci_dma_writev(d, data, bytes_copied, rxd.addr, chunk_size); |
786fd2b0 DF |
1018 | bytes_copied += chunk_size; |
1019 | bytes_left -= chunk_size; | |
1020 | ||
1021 | vmxnet3_dump_rx_descr(&rxd); | |
1022 | ||
f7472ca4 | 1023 | if (ready_rxcd_pa != 0) { |
c527e0af | 1024 | vmxnet3_pci_dma_write_rxcd(d, ready_rxcd_pa, &rxcd); |
786fd2b0 DF |
1025 | } |
1026 | ||
1027 | memset(&rxcd, 0, sizeof(struct Vmxnet3_RxCompDesc)); | |
1028 | rxcd.rxdIdx = rxd_idx; | |
1029 | rxcd.len = chunk_size; | |
1030 | rxcd.sop = is_head; | |
1031 | rxcd.gen = new_rxcd_gen; | |
1032 | rxcd.rqID = RXQ_IDX + rx_ridx * s->rxq_num; | |
1033 | ||
f7472ca4 | 1034 | if (bytes_left == 0) { |
786fd2b0 DF |
1035 | vmxnet3_rx_update_descr(s->rx_pkt, &rxcd); |
1036 | } | |
1037 | ||
1038 | VMW_RIPRN("RX Completion descriptor: rxRing: %lu rxIdx %lu len %lu " | |
1039 | "sop %d csum_correct %lu", | |
1040 | (unsigned long) rx_ridx, | |
1041 | (unsigned long) rxcd.rxdIdx, | |
1042 | (unsigned long) rxcd.len, | |
1043 | (int) rxcd.sop, | |
1044 | (unsigned long) rxcd.tuc); | |
1045 | ||
1046 | is_head = false; | |
1047 | ready_rxcd_pa = new_rxcd_pa; | |
1048 | new_rxcd_pa = 0; | |
3e948fd3 | 1049 | num_frags++; |
786fd2b0 DF |
1050 | } |
1051 | ||
f7472ca4 | 1052 | if (ready_rxcd_pa != 0) { |
786fd2b0 | 1053 | rxcd.eop = 1; |
f7472ca4 | 1054 | rxcd.err = (bytes_left != 0); |
11171010 | 1055 | |
c527e0af | 1056 | vmxnet3_pci_dma_write_rxcd(d, ready_rxcd_pa, &rxcd); |
786fd2b0 DF |
1057 | |
1058 | /* Flush RX descriptor changes */ | |
1059 | smp_wmb(); | |
1060 | } | |
1061 | ||
f7472ca4 | 1062 | if (new_rxcd_pa != 0) { |
786fd2b0 DF |
1063 | vmxnet3_revert_rxc_descr(s, RXQ_IDX); |
1064 | } | |
1065 | ||
1066 | vmxnet3_trigger_interrupt(s, s->rxq_descr[RXQ_IDX].intr_idx); | |
1067 | ||
1068 | if (bytes_left == 0) { | |
1069 | vmxnet3_on_rx_done_update_stats(s, RXQ_IDX, VMXNET3_PKT_STATUS_OK); | |
1070 | return true; | |
1071 | } else if (num_frags == s->max_rx_frags) { | |
1072 | vmxnet3_on_rx_done_update_stats(s, RXQ_IDX, VMXNET3_PKT_STATUS_ERROR); | |
1073 | return false; | |
1074 | } else { | |
1075 | vmxnet3_on_rx_done_update_stats(s, RXQ_IDX, | |
1076 | VMXNET3_PKT_STATUS_OUT_OF_BUF); | |
1077 | return false; | |
1078 | } | |
1079 | } | |
1080 | ||
1081 | static void | |
1082 | vmxnet3_io_bar0_write(void *opaque, hwaddr addr, | |
1083 | uint64_t val, unsigned size) | |
1084 | { | |
1085 | VMXNET3State *s = opaque; | |
1086 | ||
6c352ca9 LQ |
1087 | if (!s->device_active) { |
1088 | return; | |
1089 | } | |
1090 | ||
786fd2b0 DF |
1091 | if (VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_TXPROD, |
1092 | VMXNET3_DEVICE_MAX_TX_QUEUES, VMXNET3_REG_ALIGN)) { | |
1093 | int tx_queue_idx = | |
1094 | VMW_MULTIREG_IDX_BY_ADDR(addr, VMXNET3_REG_TXPROD, | |
1095 | VMXNET3_REG_ALIGN); | |
6a932c4e TH |
1096 | if (tx_queue_idx <= s->txq_num) { |
1097 | vmxnet3_process_tx_queue(s, tx_queue_idx); | |
1098 | } else { | |
1099 | qemu_log_mask(LOG_GUEST_ERROR, "vmxnet3: Illegal TX queue %d/%d\n", | |
1100 | tx_queue_idx, s->txq_num); | |
1101 | } | |
786fd2b0 DF |
1102 | return; |
1103 | } | |
1104 | ||
1105 | if (VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_IMR, | |
1106 | VMXNET3_MAX_INTRS, VMXNET3_REG_ALIGN)) { | |
1107 | int l = VMW_MULTIREG_IDX_BY_ADDR(addr, VMXNET3_REG_IMR, | |
1108 | VMXNET3_REG_ALIGN); | |
1109 | ||
1110 | VMW_CBPRN("Interrupt mask for line %d written: 0x%" PRIx64, l, val); | |
1111 | ||
1112 | vmxnet3_on_interrupt_mask_changed(s, l, val); | |
1113 | return; | |
1114 | } | |
1115 | ||
1116 | if (VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_RXPROD, | |
1117 | VMXNET3_DEVICE_MAX_RX_QUEUES, VMXNET3_REG_ALIGN) || | |
1118 | VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_RXPROD2, | |
1119 | VMXNET3_DEVICE_MAX_RX_QUEUES, VMXNET3_REG_ALIGN)) { | |
1120 | return; | |
1121 | } | |
1122 | ||
1123 | VMW_WRPRN("BAR0 unknown write [%" PRIx64 "] = %" PRIx64 ", size %d", | |
1124 | (uint64_t) addr, val, size); | |
1125 | } | |
1126 | ||
1127 | static uint64_t | |
1128 | vmxnet3_io_bar0_read(void *opaque, hwaddr addr, unsigned size) | |
1129 | { | |
c6048f84 SL |
1130 | VMXNET3State *s = opaque; |
1131 | ||
786fd2b0 DF |
1132 | if (VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_IMR, |
1133 | VMXNET3_MAX_INTRS, VMXNET3_REG_ALIGN)) { | |
c6048f84 SL |
1134 | int l = VMW_MULTIREG_IDX_BY_ADDR(addr, VMXNET3_REG_IMR, |
1135 | VMXNET3_REG_ALIGN); | |
1136 | return s->interrupt_states[l].is_masked; | |
786fd2b0 DF |
1137 | } |
1138 | ||
1139 | VMW_CBPRN("BAR0 unknown read [%" PRIx64 "], size %d", addr, size); | |
1140 | return 0; | |
1141 | } | |
1142 | ||
1143 | static void vmxnet3_reset_interrupt_states(VMXNET3State *s) | |
1144 | { | |
1145 | int i; | |
1146 | for (i = 0; i < ARRAY_SIZE(s->interrupt_states); i++) { | |
1147 | s->interrupt_states[i].is_asserted = false; | |
1148 | s->interrupt_states[i].is_pending = false; | |
1149 | s->interrupt_states[i].is_masked = true; | |
1150 | } | |
1151 | } | |
1152 | ||
1153 | static void vmxnet3_reset_mac(VMXNET3State *s) | |
1154 | { | |
1155 | memcpy(&s->conf.macaddr.a, &s->perm_mac.a, sizeof(s->perm_mac.a)); | |
ab647872 | 1156 | VMW_CFPRN("MAC address set to: " MAC_FMT, MAC_ARG(s->conf.macaddr.a)); |
786fd2b0 DF |
1157 | } |
1158 | ||
1159 | static void vmxnet3_deactivate_device(VMXNET3State *s) | |
1160 | { | |
aa4a3dce PP |
1161 | if (s->device_active) { |
1162 | VMW_CBPRN("Deactivating vmxnet3..."); | |
605d52e6 DF |
1163 | net_tx_pkt_uninit(s->tx_pkt); |
1164 | net_rx_pkt_uninit(s->rx_pkt); | |
aa4a3dce PP |
1165 | s->device_active = false; |
1166 | } | |
786fd2b0 DF |
1167 | } |
1168 | ||
1169 | static void vmxnet3_reset(VMXNET3State *s) | |
1170 | { | |
1171 | VMW_CBPRN("Resetting vmxnet3..."); | |
1172 | ||
1173 | vmxnet3_deactivate_device(s); | |
1174 | vmxnet3_reset_interrupt_states(s); | |
786fd2b0 DF |
1175 | s->drv_shmem = 0; |
1176 | s->tx_sop = true; | |
1177 | s->skip_current_tx_pkt = false; | |
1178 | } | |
1179 | ||
1180 | static void vmxnet3_update_rx_mode(VMXNET3State *s) | |
1181 | { | |
c5082773 KA |
1182 | PCIDevice *d = PCI_DEVICE(s); |
1183 | ||
1184 | s->rx_mode = VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, | |
786fd2b0 DF |
1185 | devRead.rxFilterConf.rxMode); |
1186 | VMW_CFPRN("RX mode: 0x%08X", s->rx_mode); | |
1187 | } | |
1188 | ||
1189 | static void vmxnet3_update_vlan_filters(VMXNET3State *s) | |
1190 | { | |
1191 | int i; | |
c5082773 | 1192 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
1193 | |
1194 | /* Copy configuration from shared memory */ | |
c5082773 | 1195 | VMXNET3_READ_DRV_SHARED(d, s->drv_shmem, |
786fd2b0 DF |
1196 | devRead.rxFilterConf.vfTable, |
1197 | s->vlan_table, | |
1198 | sizeof(s->vlan_table)); | |
1199 | ||
1200 | /* Invert byte order when needed */ | |
1201 | for (i = 0; i < ARRAY_SIZE(s->vlan_table); i++) { | |
1202 | s->vlan_table[i] = le32_to_cpu(s->vlan_table[i]); | |
1203 | } | |
1204 | ||
1205 | /* Dump configuration for debugging purposes */ | |
1206 | VMW_CFPRN("Configured VLANs:"); | |
1207 | for (i = 0; i < sizeof(s->vlan_table) * 8; i++) { | |
1208 | if (VMXNET3_VFTABLE_ENTRY_IS_SET(s->vlan_table, i)) { | |
1209 | VMW_CFPRN("\tVLAN %d is present", i); | |
1210 | } | |
1211 | } | |
1212 | } | |
1213 | ||
1214 | static void vmxnet3_update_mcast_filters(VMXNET3State *s) | |
1215 | { | |
c5082773 KA |
1216 | PCIDevice *d = PCI_DEVICE(s); |
1217 | ||
786fd2b0 | 1218 | uint16_t list_bytes = |
c5082773 | 1219 | VMXNET3_READ_DRV_SHARED16(d, s->drv_shmem, |
786fd2b0 DF |
1220 | devRead.rxFilterConf.mfTableLen); |
1221 | ||
1222 | s->mcast_list_len = list_bytes / sizeof(s->mcast_list[0]); | |
1223 | ||
1224 | s->mcast_list = g_realloc(s->mcast_list, list_bytes); | |
f7472ca4 GA |
1225 | if (!s->mcast_list) { |
1226 | if (s->mcast_list_len == 0) { | |
786fd2b0 DF |
1227 | VMW_CFPRN("Current multicast list is empty"); |
1228 | } else { | |
1229 | VMW_ERPRN("Failed to allocate multicast list of %d elements", | |
1230 | s->mcast_list_len); | |
1231 | } | |
1232 | s->mcast_list_len = 0; | |
1233 | } else { | |
1234 | int i; | |
1235 | hwaddr mcast_list_pa = | |
c5082773 | 1236 | VMXNET3_READ_DRV_SHARED64(d, s->drv_shmem, |
786fd2b0 DF |
1237 | devRead.rxFilterConf.mfTablePA); |
1238 | ||
c5082773 | 1239 | pci_dma_read(d, mcast_list_pa, s->mcast_list, list_bytes); |
11171010 | 1240 | |
786fd2b0 DF |
1241 | VMW_CFPRN("Current multicast list len is %d:", s->mcast_list_len); |
1242 | for (i = 0; i < s->mcast_list_len; i++) { | |
ab647872 | 1243 | VMW_CFPRN("\t" MAC_FMT, MAC_ARG(s->mcast_list[i].a)); |
786fd2b0 DF |
1244 | } |
1245 | } | |
1246 | } | |
1247 | ||
1248 | static void vmxnet3_setup_rx_filtering(VMXNET3State *s) | |
1249 | { | |
1250 | vmxnet3_update_rx_mode(s); | |
1251 | vmxnet3_update_vlan_filters(s); | |
1252 | vmxnet3_update_mcast_filters(s); | |
1253 | } | |
1254 | ||
1255 | static uint32_t vmxnet3_get_interrupt_config(VMXNET3State *s) | |
1256 | { | |
1257 | uint32_t interrupt_mode = VMXNET3_IT_AUTO | (VMXNET3_IMM_AUTO << 2); | |
1258 | VMW_CFPRN("Interrupt config is 0x%X", interrupt_mode); | |
1259 | return interrupt_mode; | |
1260 | } | |
1261 | ||
1262 | static void vmxnet3_fill_stats(VMXNET3State *s) | |
1263 | { | |
1264 | int i; | |
c5082773 | 1265 | PCIDevice *d = PCI_DEVICE(s); |
eedeeeff SL |
1266 | |
1267 | if (!s->device_active) | |
1268 | return; | |
1269 | ||
786fd2b0 | 1270 | for (i = 0; i < s->txq_num; i++) { |
c5082773 | 1271 | pci_dma_write(d, |
11171010 DF |
1272 | s->txq_descr[i].tx_stats_pa, |
1273 | &s->txq_descr[i].txq_stats, | |
1274 | sizeof(s->txq_descr[i].txq_stats)); | |
786fd2b0 DF |
1275 | } |
1276 | ||
1277 | for (i = 0; i < s->rxq_num; i++) { | |
c5082773 | 1278 | pci_dma_write(d, |
11171010 DF |
1279 | s->rxq_descr[i].rx_stats_pa, |
1280 | &s->rxq_descr[i].rxq_stats, | |
1281 | sizeof(s->rxq_descr[i].rxq_stats)); | |
786fd2b0 DF |
1282 | } |
1283 | } | |
1284 | ||
1285 | static void vmxnet3_adjust_by_guest_type(VMXNET3State *s) | |
1286 | { | |
1287 | struct Vmxnet3_GOSInfo gos; | |
c5082773 | 1288 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 | 1289 | |
c5082773 | 1290 | VMXNET3_READ_DRV_SHARED(d, s->drv_shmem, devRead.misc.driverInfo.gos, |
786fd2b0 DF |
1291 | &gos, sizeof(gos)); |
1292 | s->rx_packets_compound = | |
1293 | (gos.gosType == VMXNET3_GOS_TYPE_WIN) ? false : true; | |
1294 | ||
1295 | VMW_CFPRN("Guest type specifics: RXCOMPOUND: %d", s->rx_packets_compound); | |
1296 | } | |
1297 | ||
1298 | static void | |
1299 | vmxnet3_dump_conf_descr(const char *name, | |
1300 | struct Vmxnet3_VariableLenConfDesc *pm_descr) | |
1301 | { | |
1302 | VMW_CFPRN("%s descriptor dump: Version %u, Length %u", | |
1303 | name, pm_descr->confVer, pm_descr->confLen); | |
1304 | ||
1305 | }; | |
1306 | ||
1307 | static void vmxnet3_update_pm_state(VMXNET3State *s) | |
1308 | { | |
1309 | struct Vmxnet3_VariableLenConfDesc pm_descr; | |
c5082773 | 1310 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
1311 | |
1312 | pm_descr.confLen = | |
c5082773 | 1313 | VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, devRead.pmConfDesc.confLen); |
786fd2b0 | 1314 | pm_descr.confVer = |
c5082773 | 1315 | VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, devRead.pmConfDesc.confVer); |
786fd2b0 | 1316 | pm_descr.confPA = |
c5082773 | 1317 | VMXNET3_READ_DRV_SHARED64(d, s->drv_shmem, devRead.pmConfDesc.confPA); |
786fd2b0 DF |
1318 | |
1319 | vmxnet3_dump_conf_descr("PM State", &pm_descr); | |
1320 | } | |
1321 | ||
1322 | static void vmxnet3_update_features(VMXNET3State *s) | |
1323 | { | |
1324 | uint32_t guest_features; | |
1325 | int rxcso_supported; | |
c5082773 | 1326 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 | 1327 | |
c5082773 | 1328 | guest_features = VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, |
786fd2b0 DF |
1329 | devRead.misc.uptFeatures); |
1330 | ||
1331 | rxcso_supported = VMXNET_FLAG_IS_SET(guest_features, UPT1_F_RXCSUM); | |
1332 | s->rx_vlan_stripping = VMXNET_FLAG_IS_SET(guest_features, UPT1_F_RXVLAN); | |
1333 | s->lro_supported = VMXNET_FLAG_IS_SET(guest_features, UPT1_F_LRO); | |
1334 | ||
1335 | VMW_CFPRN("Features configuration: LRO: %d, RXCSUM: %d, VLANSTRIP: %d", | |
1336 | s->lro_supported, rxcso_supported, | |
1337 | s->rx_vlan_stripping); | |
1338 | if (s->peer_has_vhdr) { | |
d6085e3a SH |
1339 | qemu_set_offload(qemu_get_queue(s->nic)->peer, |
1340 | rxcso_supported, | |
1341 | s->lro_supported, | |
1342 | s->lro_supported, | |
1343 | 0, | |
2ab0ec31 AM |
1344 | 0, |
1345 | 0, | |
d6085e3a | 1346 | 0); |
786fd2b0 DF |
1347 | } |
1348 | } | |
1349 | ||
4c89e3e5 MA |
1350 | static bool vmxnet3_verify_intx(VMXNET3State *s, int intx) |
1351 | { | |
1070048e C |
1352 | return s->msix_used || msi_enabled(PCI_DEVICE(s)) |
1353 | || intx == pci_get_byte(s->parent_obj.config + PCI_INTERRUPT_PIN) - 1; | |
4c89e3e5 MA |
1354 | } |
1355 | ||
8c6c0478 DF |
1356 | static void vmxnet3_validate_interrupt_idx(bool is_msix, int idx) |
1357 | { | |
1358 | int max_ints = is_msix ? VMXNET3_MAX_INTRS : VMXNET3_MAX_NMSIX_INTRS; | |
1359 | if (idx >= max_ints) { | |
1360 | hw_error("Bad interrupt index: %d\n", idx); | |
1361 | } | |
1362 | } | |
1363 | ||
1364 | static void vmxnet3_validate_interrupts(VMXNET3State *s) | |
1365 | { | |
1366 | int i; | |
1367 | ||
1368 | VMW_CFPRN("Verifying event interrupt index (%d)", s->event_int_idx); | |
1369 | vmxnet3_validate_interrupt_idx(s->msix_used, s->event_int_idx); | |
1370 | ||
1371 | for (i = 0; i < s->txq_num; i++) { | |
1372 | int idx = s->txq_descr[i].intr_idx; | |
1373 | VMW_CFPRN("Verifying TX queue %d interrupt index (%d)", i, idx); | |
1374 | vmxnet3_validate_interrupt_idx(s->msix_used, idx); | |
1375 | } | |
1376 | ||
1377 | for (i = 0; i < s->rxq_num; i++) { | |
1378 | int idx = s->rxq_descr[i].intr_idx; | |
1379 | VMW_CFPRN("Verifying RX queue %d interrupt index (%d)", i, idx); | |
1380 | vmxnet3_validate_interrupt_idx(s->msix_used, idx); | |
1381 | } | |
1382 | } | |
1383 | ||
9010b0c7 | 1384 | static bool vmxnet3_validate_queues(VMXNET3State *s) |
9878d173 DF |
1385 | { |
1386 | /* | |
1387 | * txq_num and rxq_num are total number of queues | |
1388 | * configured by guest. These numbers must not | |
1389 | * exceed corresponding maximal values. | |
1390 | */ | |
1391 | ||
1392 | if (s->txq_num > VMXNET3_DEVICE_MAX_TX_QUEUES) { | |
9010b0c7 TH |
1393 | qemu_log_mask(LOG_GUEST_ERROR, "vmxnet3: Bad TX queues number: %d\n", |
1394 | s->txq_num); | |
1395 | return false; | |
9878d173 DF |
1396 | } |
1397 | ||
1398 | if (s->rxq_num > VMXNET3_DEVICE_MAX_RX_QUEUES) { | |
9010b0c7 TH |
1399 | qemu_log_mask(LOG_GUEST_ERROR, "vmxnet3: Bad RX queues number: %d\n", |
1400 | s->rxq_num); | |
1401 | return false; | |
9878d173 | 1402 | } |
9010b0c7 TH |
1403 | |
1404 | return true; | |
9878d173 DF |
1405 | } |
1406 | ||
786fd2b0 DF |
1407 | static void vmxnet3_activate_device(VMXNET3State *s) |
1408 | { | |
1409 | int i; | |
1410 | static const uint32_t VMXNET3_DEF_TX_THRESHOLD = 1; | |
c5082773 | 1411 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
1412 | hwaddr qdescr_table_pa; |
1413 | uint64_t pa; | |
1414 | uint32_t size; | |
1415 | ||
1416 | /* Verify configuration consistency */ | |
c5082773 | 1417 | if (!vmxnet3_verify_driver_magic(d, s->drv_shmem)) { |
786fd2b0 DF |
1418 | VMW_ERPRN("Device configuration received from driver is invalid"); |
1419 | return; | |
1420 | } | |
1421 | ||
aa4a3dce PP |
1422 | /* Verify if device is active */ |
1423 | if (s->device_active) { | |
1424 | VMW_CFPRN("Vmxnet3 device is active"); | |
1425 | return; | |
1426 | } | |
1427 | ||
9010b0c7 TH |
1428 | s->txq_num = |
1429 | VMXNET3_READ_DRV_SHARED8(d, s->drv_shmem, devRead.misc.numTxQueues); | |
1430 | s->rxq_num = | |
1431 | VMXNET3_READ_DRV_SHARED8(d, s->drv_shmem, devRead.misc.numRxQueues); | |
1432 | ||
1433 | VMW_CFPRN("Number of TX/RX queues %u/%u", s->txq_num, s->rxq_num); | |
1434 | if (!vmxnet3_validate_queues(s)) { | |
1435 | return; | |
1436 | } | |
1437 | ||
786fd2b0 DF |
1438 | vmxnet3_adjust_by_guest_type(s); |
1439 | vmxnet3_update_features(s); | |
1440 | vmxnet3_update_pm_state(s); | |
1441 | vmxnet3_setup_rx_filtering(s); | |
1442 | /* Cache fields from shared memory */ | |
c5082773 | 1443 | s->mtu = VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, devRead.misc.mtu); |
90a07784 TH |
1444 | if (s->mtu < VMXNET3_MIN_MTU || s->mtu > VMXNET3_MAX_MTU) { |
1445 | qemu_log_mask(LOG_GUEST_ERROR, "vmxnet3: Bad MTU size: %u\n", s->mtu); | |
1446 | return; | |
1447 | } | |
786fd2b0 DF |
1448 | VMW_CFPRN("MTU is %u", s->mtu); |
1449 | ||
1450 | s->max_rx_frags = | |
c5082773 | 1451 | VMXNET3_READ_DRV_SHARED16(d, s->drv_shmem, devRead.misc.maxNumRxSG); |
786fd2b0 | 1452 | |
3e948fd3 DF |
1453 | if (s->max_rx_frags == 0) { |
1454 | s->max_rx_frags = 1; | |
1455 | } | |
1456 | ||
786fd2b0 DF |
1457 | VMW_CFPRN("Max RX fragments is %u", s->max_rx_frags); |
1458 | ||
1459 | s->event_int_idx = | |
c5082773 | 1460 | VMXNET3_READ_DRV_SHARED8(d, s->drv_shmem, devRead.intrConf.eventIntrIdx); |
4c89e3e5 | 1461 | assert(vmxnet3_verify_intx(s, s->event_int_idx)); |
786fd2b0 DF |
1462 | VMW_CFPRN("Events interrupt line is %u", s->event_int_idx); |
1463 | ||
1464 | s->auto_int_masking = | |
c5082773 | 1465 | VMXNET3_READ_DRV_SHARED8(d, s->drv_shmem, devRead.intrConf.autoMask); |
786fd2b0 DF |
1466 | VMW_CFPRN("Automatic interrupt masking is %d", (int)s->auto_int_masking); |
1467 | ||
786fd2b0 | 1468 | qdescr_table_pa = |
c5082773 | 1469 | VMXNET3_READ_DRV_SHARED64(d, s->drv_shmem, devRead.misc.queueDescPA); |
786fd2b0 DF |
1470 | VMW_CFPRN("TX queues descriptors table is at 0x%" PRIx64, qdescr_table_pa); |
1471 | ||
1472 | /* | |
1473 | * Worst-case scenario is a packet that holds all TX rings space so | |
1474 | * we calculate total size of all TX rings for max TX fragments number | |
1475 | */ | |
1476 | s->max_tx_frags = 0; | |
1477 | ||
1478 | /* TX queues */ | |
1479 | for (i = 0; i < s->txq_num; i++) { | |
1480 | hwaddr qdescr_pa = | |
1481 | qdescr_table_pa + i * sizeof(struct Vmxnet3_TxQueueDesc); | |
1482 | ||
1483 | /* Read interrupt number for this TX queue */ | |
1484 | s->txq_descr[i].intr_idx = | |
c5082773 | 1485 | VMXNET3_READ_TX_QUEUE_DESCR8(d, qdescr_pa, conf.intrIdx); |
4c89e3e5 | 1486 | assert(vmxnet3_verify_intx(s, s->txq_descr[i].intr_idx)); |
786fd2b0 DF |
1487 | |
1488 | VMW_CFPRN("TX Queue %d interrupt: %d", i, s->txq_descr[i].intr_idx); | |
1489 | ||
1490 | /* Read rings memory locations for TX queues */ | |
c5082773 KA |
1491 | pa = VMXNET3_READ_TX_QUEUE_DESCR64(d, qdescr_pa, conf.txRingBasePA); |
1492 | size = VMXNET3_READ_TX_QUEUE_DESCR32(d, qdescr_pa, conf.txRingSize); | |
d05dcd94 PP |
1493 | if (size > VMXNET3_TX_RING_MAX_SIZE) { |
1494 | size = VMXNET3_TX_RING_MAX_SIZE; | |
1495 | } | |
786fd2b0 | 1496 | |
c5082773 | 1497 | vmxnet3_ring_init(d, &s->txq_descr[i].tx_ring, pa, size, |
786fd2b0 DF |
1498 | sizeof(struct Vmxnet3_TxDesc), false); |
1499 | VMXNET3_RING_DUMP(VMW_CFPRN, "TX", i, &s->txq_descr[i].tx_ring); | |
1500 | ||
1501 | s->max_tx_frags += size; | |
1502 | ||
1503 | /* TXC ring */ | |
c5082773 KA |
1504 | pa = VMXNET3_READ_TX_QUEUE_DESCR64(d, qdescr_pa, conf.compRingBasePA); |
1505 | size = VMXNET3_READ_TX_QUEUE_DESCR32(d, qdescr_pa, conf.compRingSize); | |
d05dcd94 PP |
1506 | if (size > VMXNET3_TC_RING_MAX_SIZE) { |
1507 | size = VMXNET3_TC_RING_MAX_SIZE; | |
1508 | } | |
c5082773 | 1509 | vmxnet3_ring_init(d, &s->txq_descr[i].comp_ring, pa, size, |
786fd2b0 DF |
1510 | sizeof(struct Vmxnet3_TxCompDesc), true); |
1511 | VMXNET3_RING_DUMP(VMW_CFPRN, "TXC", i, &s->txq_descr[i].comp_ring); | |
1512 | ||
1513 | s->txq_descr[i].tx_stats_pa = | |
1514 | qdescr_pa + offsetof(struct Vmxnet3_TxQueueDesc, stats); | |
1515 | ||
1516 | memset(&s->txq_descr[i].txq_stats, 0, | |
1517 | sizeof(s->txq_descr[i].txq_stats)); | |
1518 | ||
1519 | /* Fill device-managed parameters for queues */ | |
c5082773 | 1520 | VMXNET3_WRITE_TX_QUEUE_DESCR32(d, qdescr_pa, |
786fd2b0 DF |
1521 | ctrl.txThreshold, |
1522 | VMXNET3_DEF_TX_THRESHOLD); | |
1523 | } | |
1524 | ||
1525 | /* Preallocate TX packet wrapper */ | |
1526 | VMW_CFPRN("Max TX fragments is %u", s->max_tx_frags); | |
a51db580 | 1527 | net_tx_pkt_init(&s->tx_pkt, s->max_tx_frags); |
aac8f89d | 1528 | net_rx_pkt_init(&s->rx_pkt); |
786fd2b0 DF |
1529 | |
1530 | /* Read rings memory locations for RX queues */ | |
1531 | for (i = 0; i < s->rxq_num; i++) { | |
1532 | int j; | |
1533 | hwaddr qd_pa = | |
1534 | qdescr_table_pa + s->txq_num * sizeof(struct Vmxnet3_TxQueueDesc) + | |
1535 | i * sizeof(struct Vmxnet3_RxQueueDesc); | |
1536 | ||
1537 | /* Read interrupt number for this RX queue */ | |
1538 | s->rxq_descr[i].intr_idx = | |
c5082773 | 1539 | VMXNET3_READ_TX_QUEUE_DESCR8(d, qd_pa, conf.intrIdx); |
4c89e3e5 | 1540 | assert(vmxnet3_verify_intx(s, s->rxq_descr[i].intr_idx)); |
786fd2b0 DF |
1541 | |
1542 | VMW_CFPRN("RX Queue %d interrupt: %d", i, s->rxq_descr[i].intr_idx); | |
1543 | ||
1544 | /* Read rings memory locations */ | |
1545 | for (j = 0; j < VMXNET3_RX_RINGS_PER_QUEUE; j++) { | |
1546 | /* RX rings */ | |
c5082773 KA |
1547 | pa = VMXNET3_READ_RX_QUEUE_DESCR64(d, qd_pa, conf.rxRingBasePA[j]); |
1548 | size = VMXNET3_READ_RX_QUEUE_DESCR32(d, qd_pa, conf.rxRingSize[j]); | |
d05dcd94 PP |
1549 | if (size > VMXNET3_RX_RING_MAX_SIZE) { |
1550 | size = VMXNET3_RX_RING_MAX_SIZE; | |
1551 | } | |
c5082773 | 1552 | vmxnet3_ring_init(d, &s->rxq_descr[i].rx_ring[j], pa, size, |
786fd2b0 DF |
1553 | sizeof(struct Vmxnet3_RxDesc), false); |
1554 | VMW_CFPRN("RX queue %d:%d: Base: %" PRIx64 ", Size: %d", | |
1555 | i, j, pa, size); | |
1556 | } | |
1557 | ||
1558 | /* RXC ring */ | |
c5082773 KA |
1559 | pa = VMXNET3_READ_RX_QUEUE_DESCR64(d, qd_pa, conf.compRingBasePA); |
1560 | size = VMXNET3_READ_RX_QUEUE_DESCR32(d, qd_pa, conf.compRingSize); | |
d05dcd94 PP |
1561 | if (size > VMXNET3_RC_RING_MAX_SIZE) { |
1562 | size = VMXNET3_RC_RING_MAX_SIZE; | |
1563 | } | |
c5082773 | 1564 | vmxnet3_ring_init(d, &s->rxq_descr[i].comp_ring, pa, size, |
786fd2b0 DF |
1565 | sizeof(struct Vmxnet3_RxCompDesc), true); |
1566 | VMW_CFPRN("RXC queue %d: Base: %" PRIx64 ", Size: %d", i, pa, size); | |
1567 | ||
1568 | s->rxq_descr[i].rx_stats_pa = | |
1569 | qd_pa + offsetof(struct Vmxnet3_RxQueueDesc, stats); | |
1570 | memset(&s->rxq_descr[i].rxq_stats, 0, | |
1571 | sizeof(s->rxq_descr[i].rxq_stats)); | |
1572 | } | |
1573 | ||
8c6c0478 DF |
1574 | vmxnet3_validate_interrupts(s); |
1575 | ||
786fd2b0 DF |
1576 | /* Make sure everything is in place before device activation */ |
1577 | smp_wmb(); | |
1578 | ||
1579 | vmxnet3_reset_mac(s); | |
1580 | ||
1581 | s->device_active = true; | |
1582 | } | |
1583 | ||
1584 | static void vmxnet3_handle_command(VMXNET3State *s, uint64_t cmd) | |
1585 | { | |
1586 | s->last_command = cmd; | |
1587 | ||
1588 | switch (cmd) { | |
1589 | case VMXNET3_CMD_GET_PERM_MAC_HI: | |
1590 | VMW_CBPRN("Set: Get upper part of permanent MAC"); | |
1591 | break; | |
1592 | ||
1593 | case VMXNET3_CMD_GET_PERM_MAC_LO: | |
1594 | VMW_CBPRN("Set: Get lower part of permanent MAC"); | |
1595 | break; | |
1596 | ||
1597 | case VMXNET3_CMD_GET_STATS: | |
1598 | VMW_CBPRN("Set: Get device statistics"); | |
1599 | vmxnet3_fill_stats(s); | |
1600 | break; | |
1601 | ||
1602 | case VMXNET3_CMD_ACTIVATE_DEV: | |
1603 | VMW_CBPRN("Set: Activating vmxnet3 device"); | |
1604 | vmxnet3_activate_device(s); | |
1605 | break; | |
1606 | ||
1607 | case VMXNET3_CMD_UPDATE_RX_MODE: | |
1608 | VMW_CBPRN("Set: Update rx mode"); | |
1609 | vmxnet3_update_rx_mode(s); | |
1610 | break; | |
1611 | ||
1612 | case VMXNET3_CMD_UPDATE_VLAN_FILTERS: | |
1613 | VMW_CBPRN("Set: Update VLAN filters"); | |
1614 | vmxnet3_update_vlan_filters(s); | |
1615 | break; | |
1616 | ||
1617 | case VMXNET3_CMD_UPDATE_MAC_FILTERS: | |
1618 | VMW_CBPRN("Set: Update MAC filters"); | |
1619 | vmxnet3_update_mcast_filters(s); | |
1620 | break; | |
1621 | ||
1622 | case VMXNET3_CMD_UPDATE_FEATURE: | |
1623 | VMW_CBPRN("Set: Update features"); | |
1624 | vmxnet3_update_features(s); | |
1625 | break; | |
1626 | ||
1627 | case VMXNET3_CMD_UPDATE_PMCFG: | |
1628 | VMW_CBPRN("Set: Update power management config"); | |
1629 | vmxnet3_update_pm_state(s); | |
1630 | break; | |
1631 | ||
1632 | case VMXNET3_CMD_GET_LINK: | |
1633 | VMW_CBPRN("Set: Get link"); | |
1634 | break; | |
1635 | ||
1636 | case VMXNET3_CMD_RESET_DEV: | |
1637 | VMW_CBPRN("Set: Reset device"); | |
1638 | vmxnet3_reset(s); | |
1639 | break; | |
1640 | ||
1641 | case VMXNET3_CMD_QUIESCE_DEV: | |
aa4a3dce | 1642 | VMW_CBPRN("Set: VMXNET3_CMD_QUIESCE_DEV - deactivate the device"); |
786fd2b0 DF |
1643 | vmxnet3_deactivate_device(s); |
1644 | break; | |
1645 | ||
1646 | case VMXNET3_CMD_GET_CONF_INTR: | |
1647 | VMW_CBPRN("Set: VMXNET3_CMD_GET_CONF_INTR - interrupt configuration"); | |
1648 | break; | |
1649 | ||
d62241eb SL |
1650 | case VMXNET3_CMD_GET_ADAPTIVE_RING_INFO: |
1651 | VMW_CBPRN("Set: VMXNET3_CMD_GET_ADAPTIVE_RING_INFO - " | |
1652 | "adaptive ring info flags"); | |
1653 | break; | |
1654 | ||
c469669e MY |
1655 | case VMXNET3_CMD_GET_DID_LO: |
1656 | VMW_CBPRN("Set: Get lower part of device ID"); | |
1657 | break; | |
1658 | ||
1659 | case VMXNET3_CMD_GET_DID_HI: | |
1660 | VMW_CBPRN("Set: Get upper part of device ID"); | |
1661 | break; | |
1662 | ||
5ae3e91c MY |
1663 | case VMXNET3_CMD_GET_DEV_EXTRA_INFO: |
1664 | VMW_CBPRN("Set: Get device extra info"); | |
1665 | break; | |
1666 | ||
786fd2b0 DF |
1667 | default: |
1668 | VMW_CBPRN("Received unknown command: %" PRIx64, cmd); | |
1669 | break; | |
1670 | } | |
1671 | } | |
1672 | ||
1673 | static uint64_t vmxnet3_get_command_status(VMXNET3State *s) | |
1674 | { | |
1675 | uint64_t ret; | |
1676 | ||
1677 | switch (s->last_command) { | |
1678 | case VMXNET3_CMD_ACTIVATE_DEV: | |
fde58177 | 1679 | ret = (s->device_active) ? 0 : 1; |
786fd2b0 DF |
1680 | VMW_CFPRN("Device active: %" PRIx64, ret); |
1681 | break; | |
1682 | ||
3e948fd3 DF |
1683 | case VMXNET3_CMD_RESET_DEV: |
1684 | case VMXNET3_CMD_QUIESCE_DEV: | |
1685 | case VMXNET3_CMD_GET_QUEUE_STATUS: | |
5ae3e91c | 1686 | case VMXNET3_CMD_GET_DEV_EXTRA_INFO: |
3e948fd3 DF |
1687 | ret = 0; |
1688 | break; | |
1689 | ||
786fd2b0 DF |
1690 | case VMXNET3_CMD_GET_LINK: |
1691 | ret = s->link_status_and_speed; | |
1692 | VMW_CFPRN("Link and speed: %" PRIx64, ret); | |
1693 | break; | |
1694 | ||
1695 | case VMXNET3_CMD_GET_PERM_MAC_LO: | |
1696 | ret = vmxnet3_get_mac_low(&s->perm_mac); | |
1697 | break; | |
1698 | ||
1699 | case VMXNET3_CMD_GET_PERM_MAC_HI: | |
1700 | ret = vmxnet3_get_mac_high(&s->perm_mac); | |
1701 | break; | |
1702 | ||
1703 | case VMXNET3_CMD_GET_CONF_INTR: | |
1704 | ret = vmxnet3_get_interrupt_config(s); | |
1705 | break; | |
1706 | ||
d62241eb SL |
1707 | case VMXNET3_CMD_GET_ADAPTIVE_RING_INFO: |
1708 | ret = VMXNET3_DISABLE_ADAPTIVE_RING; | |
1709 | break; | |
1710 | ||
c469669e MY |
1711 | case VMXNET3_CMD_GET_DID_LO: |
1712 | ret = PCI_DEVICE_ID_VMWARE_VMXNET3; | |
1713 | break; | |
1714 | ||
1715 | case VMXNET3_CMD_GET_DID_HI: | |
1716 | ret = VMXNET3_DEVICE_REVISION; | |
1717 | break; | |
1718 | ||
786fd2b0 DF |
1719 | default: |
1720 | VMW_WRPRN("Received request for unknown command: %x", s->last_command); | |
8856be15 | 1721 | ret = 0; |
786fd2b0 DF |
1722 | break; |
1723 | } | |
1724 | ||
1725 | return ret; | |
1726 | } | |
1727 | ||
1728 | static void vmxnet3_set_events(VMXNET3State *s, uint32_t val) | |
1729 | { | |
1730 | uint32_t events; | |
c5082773 | 1731 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
1732 | |
1733 | VMW_CBPRN("Setting events: 0x%x", val); | |
c5082773 KA |
1734 | events = VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, ecr) | val; |
1735 | VMXNET3_WRITE_DRV_SHARED32(d, s->drv_shmem, ecr, events); | |
786fd2b0 DF |
1736 | } |
1737 | ||
1738 | static void vmxnet3_ack_events(VMXNET3State *s, uint32_t val) | |
1739 | { | |
c5082773 | 1740 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
1741 | uint32_t events; |
1742 | ||
1743 | VMW_CBPRN("Clearing events: 0x%x", val); | |
c5082773 KA |
1744 | events = VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, ecr) & ~val; |
1745 | VMXNET3_WRITE_DRV_SHARED32(d, s->drv_shmem, ecr, events); | |
786fd2b0 DF |
1746 | } |
1747 | ||
1748 | static void | |
1749 | vmxnet3_io_bar1_write(void *opaque, | |
1750 | hwaddr addr, | |
1751 | uint64_t val, | |
1752 | unsigned size) | |
1753 | { | |
1754 | VMXNET3State *s = opaque; | |
1755 | ||
1756 | switch (addr) { | |
1757 | /* Vmxnet3 Revision Report Selection */ | |
1758 | case VMXNET3_REG_VRRS: | |
1759 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_VRRS] = %" PRIx64 ", size %d", | |
1760 | val, size); | |
1761 | break; | |
1762 | ||
1763 | /* UPT Version Report Selection */ | |
1764 | case VMXNET3_REG_UVRS: | |
1765 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_UVRS] = %" PRIx64 ", size %d", | |
1766 | val, size); | |
1767 | break; | |
1768 | ||
1769 | /* Driver Shared Address Low */ | |
1770 | case VMXNET3_REG_DSAL: | |
1771 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_DSAL] = %" PRIx64 ", size %d", | |
1772 | val, size); | |
1773 | /* | |
1774 | * Guest driver will first write the low part of the shared | |
1775 | * memory address. We save it to temp variable and set the | |
1776 | * shared address only after we get the high part | |
1777 | */ | |
f7472ca4 | 1778 | if (val == 0) { |
aa4a3dce | 1779 | vmxnet3_deactivate_device(s); |
786fd2b0 DF |
1780 | } |
1781 | s->temp_shared_guest_driver_memory = val; | |
1782 | s->drv_shmem = 0; | |
1783 | break; | |
1784 | ||
1785 | /* Driver Shared Address High */ | |
1786 | case VMXNET3_REG_DSAH: | |
1787 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_DSAH] = %" PRIx64 ", size %d", | |
1788 | val, size); | |
1789 | /* | |
1790 | * Set the shared memory between guest driver and device. | |
1791 | * We already should have low address part. | |
1792 | */ | |
1793 | s->drv_shmem = s->temp_shared_guest_driver_memory | (val << 32); | |
1794 | break; | |
1795 | ||
1796 | /* Command */ | |
1797 | case VMXNET3_REG_CMD: | |
1798 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_CMD] = %" PRIx64 ", size %d", | |
1799 | val, size); | |
1800 | vmxnet3_handle_command(s, val); | |
1801 | break; | |
1802 | ||
1803 | /* MAC Address Low */ | |
1804 | case VMXNET3_REG_MACL: | |
1805 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_MACL] = %" PRIx64 ", size %d", | |
1806 | val, size); | |
1807 | s->temp_mac = val; | |
1808 | break; | |
1809 | ||
1810 | /* MAC Address High */ | |
1811 | case VMXNET3_REG_MACH: | |
1812 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_MACH] = %" PRIx64 ", size %d", | |
1813 | val, size); | |
1814 | vmxnet3_set_variable_mac(s, val, s->temp_mac); | |
1815 | break; | |
1816 | ||
1817 | /* Interrupt Cause Register */ | |
1818 | case VMXNET3_REG_ICR: | |
1819 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_ICR] = %" PRIx64 ", size %d", | |
1820 | val, size); | |
f3e5a175 PMD |
1821 | qemu_log_mask(LOG_GUEST_ERROR, |
1822 | "%s: write to read-only register VMXNET3_REG_ICR\n", | |
1823 | TYPE_VMXNET3); | |
786fd2b0 DF |
1824 | break; |
1825 | ||
1826 | /* Event Cause Register */ | |
1827 | case VMXNET3_REG_ECR: | |
1828 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_ECR] = %" PRIx64 ", size %d", | |
1829 | val, size); | |
1830 | vmxnet3_ack_events(s, val); | |
1831 | break; | |
1832 | ||
1833 | default: | |
1834 | VMW_CBPRN("Unknown Write to BAR1 [%" PRIx64 "] = %" PRIx64 ", size %d", | |
1835 | addr, val, size); | |
1836 | break; | |
1837 | } | |
1838 | } | |
1839 | ||
1840 | static uint64_t | |
1841 | vmxnet3_io_bar1_read(void *opaque, hwaddr addr, unsigned size) | |
1842 | { | |
1843 | VMXNET3State *s = opaque; | |
1844 | uint64_t ret = 0; | |
1845 | ||
1846 | switch (addr) { | |
1847 | /* Vmxnet3 Revision Report Selection */ | |
1848 | case VMXNET3_REG_VRRS: | |
1849 | VMW_CBPRN("Read BAR1 [VMXNET3_REG_VRRS], size %d", size); | |
1850 | ret = VMXNET3_DEVICE_REVISION; | |
1851 | break; | |
1852 | ||
1853 | /* UPT Version Report Selection */ | |
1854 | case VMXNET3_REG_UVRS: | |
1855 | VMW_CBPRN("Read BAR1 [VMXNET3_REG_UVRS], size %d", size); | |
c12d82ef | 1856 | ret = VMXNET3_UPT_REVISION; |
786fd2b0 DF |
1857 | break; |
1858 | ||
1859 | /* Command */ | |
1860 | case VMXNET3_REG_CMD: | |
1861 | VMW_CBPRN("Read BAR1 [VMXNET3_REG_CMD], size %d", size); | |
1862 | ret = vmxnet3_get_command_status(s); | |
1863 | break; | |
1864 | ||
1865 | /* MAC Address Low */ | |
1866 | case VMXNET3_REG_MACL: | |
1867 | VMW_CBPRN("Read BAR1 [VMXNET3_REG_MACL], size %d", size); | |
1868 | ret = vmxnet3_get_mac_low(&s->conf.macaddr); | |
1869 | break; | |
1870 | ||
1871 | /* MAC Address High */ | |
1872 | case VMXNET3_REG_MACH: | |
1873 | VMW_CBPRN("Read BAR1 [VMXNET3_REG_MACH], size %d", size); | |
1874 | ret = vmxnet3_get_mac_high(&s->conf.macaddr); | |
1875 | break; | |
1876 | ||
1877 | /* | |
1878 | * Interrupt Cause Register | |
1879 | * Used for legacy interrupts only so interrupt index always 0 | |
1880 | */ | |
1881 | case VMXNET3_REG_ICR: | |
1882 | VMW_CBPRN("Read BAR1 [VMXNET3_REG_ICR], size %d", size); | |
1883 | if (vmxnet3_interrupt_asserted(s, 0)) { | |
1884 | vmxnet3_clear_interrupt(s, 0); | |
1885 | ret = true; | |
1886 | } else { | |
1887 | ret = false; | |
1888 | } | |
1889 | break; | |
1890 | ||
1891 | default: | |
2431f4f1 | 1892 | VMW_CBPRN("Unknown read BAR1[%" PRIx64 "], %d bytes", addr, size); |
786fd2b0 DF |
1893 | break; |
1894 | } | |
1895 | ||
1896 | return ret; | |
1897 | } | |
1898 | ||
1899 | static int | |
1900 | vmxnet3_can_receive(NetClientState *nc) | |
1901 | { | |
1902 | VMXNET3State *s = qemu_get_nic_opaque(nc); | |
1903 | return s->device_active && | |
1904 | VMXNET_FLAG_IS_SET(s->link_status_and_speed, VMXNET3_LINK_STATUS_UP); | |
1905 | } | |
1906 | ||
1907 | static inline bool | |
1908 | vmxnet3_is_registered_vlan(VMXNET3State *s, const void *data) | |
1909 | { | |
1910 | uint16_t vlan_tag = eth_get_pkt_tci(data) & VLAN_VID_MASK; | |
1911 | if (IS_SPECIAL_VLAN_ID(vlan_tag)) { | |
1912 | return true; | |
1913 | } | |
1914 | ||
1915 | return VMXNET3_VFTABLE_ENTRY_IS_SET(s->vlan_table, vlan_tag); | |
1916 | } | |
1917 | ||
1918 | static bool | |
1919 | vmxnet3_is_allowed_mcast_group(VMXNET3State *s, const uint8_t *group_mac) | |
1920 | { | |
1921 | int i; | |
1922 | for (i = 0; i < s->mcast_list_len; i++) { | |
1923 | if (!memcmp(group_mac, s->mcast_list[i].a, sizeof(s->mcast_list[i]))) { | |
1924 | return true; | |
1925 | } | |
1926 | } | |
1927 | return false; | |
1928 | } | |
1929 | ||
1930 | static bool | |
1931 | vmxnet3_rx_filter_may_indicate(VMXNET3State *s, const void *data, | |
1932 | size_t size) | |
1933 | { | |
1934 | struct eth_header *ehdr = PKT_GET_ETH_HDR(data); | |
1935 | ||
1936 | if (VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_PROMISC)) { | |
1937 | return true; | |
1938 | } | |
1939 | ||
1940 | if (!vmxnet3_is_registered_vlan(s, data)) { | |
1941 | return false; | |
1942 | } | |
1943 | ||
605d52e6 | 1944 | switch (net_rx_pkt_get_packet_type(s->rx_pkt)) { |
786fd2b0 DF |
1945 | case ETH_PKT_UCAST: |
1946 | if (!VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_UCAST)) { | |
1947 | return false; | |
1948 | } | |
1949 | if (memcmp(s->conf.macaddr.a, ehdr->h_dest, ETH_ALEN)) { | |
1950 | return false; | |
1951 | } | |
1952 | break; | |
1953 | ||
1954 | case ETH_PKT_BCAST: | |
1955 | if (!VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_BCAST)) { | |
1956 | return false; | |
1957 | } | |
1958 | break; | |
1959 | ||
1960 | case ETH_PKT_MCAST: | |
1961 | if (VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_ALL_MULTI)) { | |
1962 | return true; | |
1963 | } | |
1964 | if (!VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_MCAST)) { | |
1965 | return false; | |
1966 | } | |
1967 | if (!vmxnet3_is_allowed_mcast_group(s, ehdr->h_dest)) { | |
1968 | return false; | |
1969 | } | |
1970 | break; | |
1971 | ||
1972 | default: | |
dfc6f865 | 1973 | g_assert_not_reached(); |
786fd2b0 DF |
1974 | } |
1975 | ||
1976 | return true; | |
1977 | } | |
1978 | ||
1979 | static ssize_t | |
1980 | vmxnet3_receive(NetClientState *nc, const uint8_t *buf, size_t size) | |
1981 | { | |
1982 | VMXNET3State *s = qemu_get_nic_opaque(nc); | |
1983 | size_t bytes_indicated; | |
1984 | ||
1985 | if (!vmxnet3_can_receive(nc)) { | |
1986 | VMW_PKPRN("Cannot receive now"); | |
1987 | return -1; | |
1988 | } | |
1989 | ||
b83b5f2e | 1990 | if (s->peer_has_vhdr) { |
605d52e6 | 1991 | net_rx_pkt_set_vhdr(s->rx_pkt, (struct virtio_net_hdr *)buf); |
b83b5f2e BK |
1992 | buf += sizeof(struct virtio_net_hdr); |
1993 | size -= sizeof(struct virtio_net_hdr); | |
1994 | } | |
1995 | ||
605d52e6 | 1996 | net_rx_pkt_set_packet_type(s->rx_pkt, |
786fd2b0 DF |
1997 | get_eth_packet_type(PKT_GET_ETH_HDR(buf))); |
1998 | ||
1999 | if (vmxnet3_rx_filter_may_indicate(s, buf, size)) { | |
2f0fa232 AO |
2000 | struct iovec iov = { |
2001 | .iov_base = (void *)buf, | |
2002 | .iov_len = size | |
2003 | }; | |
2004 | ||
2005 | net_rx_pkt_set_protocols(s->rx_pkt, &iov, 1, 0); | |
80da311d | 2006 | vmxnet3_rx_need_csum_calculate(s->rx_pkt, buf, size); |
605d52e6 | 2007 | net_rx_pkt_attach_data(s->rx_pkt, buf, size, s->rx_vlan_stripping); |
786fd2b0 DF |
2008 | bytes_indicated = vmxnet3_indicate_packet(s) ? size : -1; |
2009 | if (bytes_indicated < size) { | |
2e4ca7db | 2010 | VMW_PKPRN("RX: %zu of %zu bytes indicated", bytes_indicated, size); |
786fd2b0 DF |
2011 | } |
2012 | } else { | |
2013 | VMW_PKPRN("Packet dropped by RX filter"); | |
2014 | bytes_indicated = size; | |
2015 | } | |
2016 | ||
2017 | assert(size > 0); | |
2018 | assert(bytes_indicated != 0); | |
2019 | return bytes_indicated; | |
2020 | } | |
2021 | ||
786fd2b0 DF |
2022 | static void vmxnet3_set_link_status(NetClientState *nc) |
2023 | { | |
2024 | VMXNET3State *s = qemu_get_nic_opaque(nc); | |
2025 | ||
2026 | if (nc->link_down) { | |
2027 | s->link_status_and_speed &= ~VMXNET3_LINK_STATUS_UP; | |
2028 | } else { | |
2029 | s->link_status_and_speed |= VMXNET3_LINK_STATUS_UP; | |
2030 | } | |
2031 | ||
2032 | vmxnet3_set_events(s, VMXNET3_ECR_LINK); | |
2033 | vmxnet3_trigger_interrupt(s, s->event_int_idx); | |
2034 | } | |
2035 | ||
2036 | static NetClientInfo net_vmxnet3_info = { | |
f394b2e2 | 2037 | .type = NET_CLIENT_DRIVER_NIC, |
786fd2b0 | 2038 | .size = sizeof(NICState), |
786fd2b0 | 2039 | .receive = vmxnet3_receive, |
786fd2b0 DF |
2040 | .link_status_changed = vmxnet3_set_link_status, |
2041 | }; | |
2042 | ||
2043 | static bool vmxnet3_peer_has_vnet_hdr(VMXNET3State *s) | |
2044 | { | |
cf528b89 | 2045 | NetClientState *nc = qemu_get_queue(s->nic); |
786fd2b0 | 2046 | |
d6085e3a | 2047 | if (qemu_has_vnet_hdr(nc->peer)) { |
786fd2b0 DF |
2048 | return true; |
2049 | } | |
2050 | ||
786fd2b0 DF |
2051 | return false; |
2052 | } | |
2053 | ||
2054 | static void vmxnet3_net_uninit(VMXNET3State *s) | |
2055 | { | |
2056 | g_free(s->mcast_list); | |
aa4a3dce | 2057 | vmxnet3_deactivate_device(s); |
3ffee3cd | 2058 | qemu_del_nic(s->nic); |
786fd2b0 DF |
2059 | } |
2060 | ||
2061 | static void vmxnet3_net_init(VMXNET3State *s) | |
2062 | { | |
2063 | DeviceState *d = DEVICE(s); | |
2064 | ||
2065 | VMW_CBPRN("vmxnet3_net_init called..."); | |
2066 | ||
2067 | qemu_macaddr_default_if_unset(&s->conf.macaddr); | |
2068 | ||
2069 | /* Windows guest will query the address that was set on init */ | |
2070 | memcpy(&s->perm_mac.a, &s->conf.macaddr.a, sizeof(s->perm_mac.a)); | |
2071 | ||
2072 | s->mcast_list = NULL; | |
2073 | s->mcast_list_len = 0; | |
2074 | ||
2075 | s->link_status_and_speed = VMXNET3_LINK_SPEED | VMXNET3_LINK_STATUS_UP; | |
2076 | ||
ab647872 | 2077 | VMW_CFPRN("Permanent MAC: " MAC_FMT, MAC_ARG(s->perm_mac.a)); |
786fd2b0 DF |
2078 | |
2079 | s->nic = qemu_new_nic(&net_vmxnet3_info, &s->conf, | |
2080 | object_get_typename(OBJECT(s)), | |
7d0fefdf | 2081 | d->id, &d->mem_reentrancy_guard, s); |
786fd2b0 DF |
2082 | |
2083 | s->peer_has_vhdr = vmxnet3_peer_has_vnet_hdr(s); | |
2084 | s->tx_sop = true; | |
2085 | s->skip_current_tx_pkt = false; | |
2086 | s->tx_pkt = NULL; | |
2087 | s->rx_pkt = NULL; | |
2088 | s->rx_vlan_stripping = false; | |
2089 | s->lro_supported = false; | |
2090 | ||
2091 | if (s->peer_has_vhdr) { | |
d6085e3a | 2092 | qemu_set_vnet_hdr_len(qemu_get_queue(s->nic)->peer, |
786fd2b0 DF |
2093 | sizeof(struct virtio_net_hdr)); |
2094 | ||
d6085e3a | 2095 | qemu_using_vnet_hdr(qemu_get_queue(s->nic)->peer, 1); |
786fd2b0 DF |
2096 | } |
2097 | ||
2098 | qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a); | |
2099 | } | |
2100 | ||
2101 | static void | |
2102 | vmxnet3_unuse_msix_vectors(VMXNET3State *s, int num_vectors) | |
2103 | { | |
2104 | PCIDevice *d = PCI_DEVICE(s); | |
2105 | int i; | |
2106 | for (i = 0; i < num_vectors; i++) { | |
2107 | msix_vector_unuse(d, i); | |
2108 | } | |
2109 | } | |
2110 | ||
15377f6e | 2111 | static void |
786fd2b0 DF |
2112 | vmxnet3_use_msix_vectors(VMXNET3State *s, int num_vectors) |
2113 | { | |
2114 | PCIDevice *d = PCI_DEVICE(s); | |
2115 | int i; | |
2116 | for (i = 0; i < num_vectors; i++) { | |
15377f6e | 2117 | msix_vector_use(d, i); |
786fd2b0 | 2118 | } |
786fd2b0 DF |
2119 | } |
2120 | ||
2121 | static bool | |
2122 | vmxnet3_init_msix(VMXNET3State *s) | |
2123 | { | |
2124 | PCIDevice *d = PCI_DEVICE(s); | |
2125 | int res = msix_init(d, VMXNET3_MAX_INTRS, | |
2126 | &s->msix_bar, | |
2127 | VMXNET3_MSIX_BAR_IDX, VMXNET3_OFF_MSIX_TABLE, | |
2128 | &s->msix_bar, | |
9c087a05 | 2129 | VMXNET3_MSIX_BAR_IDX, VMXNET3_OFF_MSIX_PBA(s), |
ee640c62 | 2130 | VMXNET3_MSIX_OFFSET(s), NULL); |
786fd2b0 DF |
2131 | |
2132 | if (0 > res) { | |
2133 | VMW_WRPRN("Failed to initialize MSI-X, error %d", res); | |
2134 | s->msix_used = false; | |
2135 | } else { | |
15377f6e AO |
2136 | vmxnet3_use_msix_vectors(s, VMXNET3_MAX_INTRS); |
2137 | s->msix_used = true; | |
786fd2b0 DF |
2138 | } |
2139 | return s->msix_used; | |
2140 | } | |
2141 | ||
2142 | static void | |
2143 | vmxnet3_cleanup_msix(VMXNET3State *s) | |
2144 | { | |
2145 | PCIDevice *d = PCI_DEVICE(s); | |
2146 | ||
2147 | if (s->msix_used) { | |
b4467284 | 2148 | vmxnet3_unuse_msix_vectors(s, VMXNET3_MAX_INTRS); |
786fd2b0 DF |
2149 | msix_uninit(d, &s->msix_bar, &s->msix_bar); |
2150 | } | |
2151 | } | |
2152 | ||
786fd2b0 DF |
2153 | static void |
2154 | vmxnet3_cleanup_msi(VMXNET3State *s) | |
2155 | { | |
2156 | PCIDevice *d = PCI_DEVICE(s); | |
2157 | ||
1070048e | 2158 | msi_uninit(d); |
786fd2b0 DF |
2159 | } |
2160 | ||
786fd2b0 DF |
2161 | static const MemoryRegionOps b0_ops = { |
2162 | .read = vmxnet3_io_bar0_read, | |
2163 | .write = vmxnet3_io_bar0_write, | |
2164 | .endianness = DEVICE_LITTLE_ENDIAN, | |
2165 | .impl = { | |
2166 | .min_access_size = 4, | |
2167 | .max_access_size = 4, | |
2168 | }, | |
2169 | }; | |
2170 | ||
2171 | static const MemoryRegionOps b1_ops = { | |
2172 | .read = vmxnet3_io_bar1_read, | |
2173 | .write = vmxnet3_io_bar1_write, | |
2174 | .endianness = DEVICE_LITTLE_ENDIAN, | |
2175 | .impl = { | |
2176 | .min_access_size = 4, | |
2177 | .max_access_size = 4, | |
2178 | }, | |
2179 | }; | |
2180 | ||
a4b387e6 | 2181 | static uint64_t vmxnet3_device_serial_num(VMXNET3State *s) |
3509866a | 2182 | { |
a4b387e6 | 2183 | uint64_t dsn_payload; |
3509866a SL |
2184 | uint8_t *dsnp = (uint8_t *)&dsn_payload; |
2185 | ||
2186 | dsnp[0] = 0xfe; | |
2187 | dsnp[1] = s->conf.macaddr.a[3]; | |
2188 | dsnp[2] = s->conf.macaddr.a[4]; | |
2189 | dsnp[3] = s->conf.macaddr.a[5]; | |
2190 | dsnp[4] = s->conf.macaddr.a[0]; | |
2191 | dsnp[5] = s->conf.macaddr.a[1]; | |
2192 | dsnp[6] = s->conf.macaddr.a[2]; | |
2193 | dsnp[7] = 0xff; | |
a4b387e6 | 2194 | return dsn_payload; |
3509866a SL |
2195 | } |
2196 | ||
1108b2f8 C |
2197 | |
2198 | #define VMXNET3_USE_64BIT (true) | |
2199 | #define VMXNET3_PER_VECTOR_MASK (false) | |
2200 | ||
9af21dbe | 2201 | static void vmxnet3_pci_realize(PCIDevice *pci_dev, Error **errp) |
786fd2b0 | 2202 | { |
786fd2b0 | 2203 | VMXNET3State *s = VMXNET3(pci_dev); |
1108b2f8 | 2204 | int ret; |
786fd2b0 DF |
2205 | |
2206 | VMW_CBPRN("Starting init..."); | |
2207 | ||
eedfac6f | 2208 | memory_region_init_io(&s->bar0, OBJECT(s), &b0_ops, s, |
786fd2b0 DF |
2209 | "vmxnet3-b0", VMXNET3_PT_REG_SIZE); |
2210 | pci_register_bar(pci_dev, VMXNET3_BAR0_IDX, | |
2211 | PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0); | |
2212 | ||
eedfac6f | 2213 | memory_region_init_io(&s->bar1, OBJECT(s), &b1_ops, s, |
786fd2b0 DF |
2214 | "vmxnet3-b1", VMXNET3_VD_REG_SIZE); |
2215 | pci_register_bar(pci_dev, VMXNET3_BAR1_IDX, | |
2216 | PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar1); | |
2217 | ||
eedfac6f | 2218 | memory_region_init(&s->msix_bar, OBJECT(s), "vmxnet3-msix-bar", |
786fd2b0 DF |
2219 | VMXNET3_MSIX_BAR_SIZE); |
2220 | pci_register_bar(pci_dev, VMXNET3_MSIX_BAR_IDX, | |
2221 | PCI_BASE_ADDRESS_SPACE_MEMORY, &s->msix_bar); | |
2222 | ||
2223 | vmxnet3_reset_interrupt_states(s); | |
2224 | ||
2225 | /* Interrupt pin A */ | |
2226 | pci_dev->config[PCI_INTERRUPT_PIN] = 0x01; | |
2227 | ||
1108b2f8 C |
2228 | ret = msi_init(pci_dev, VMXNET3_MSI_OFFSET(s), VMXNET3_MAX_NMSIX_INTRS, |
2229 | VMXNET3_USE_64BIT, VMXNET3_PER_VECTOR_MASK, NULL); | |
2230 | /* Any error other than -ENOTSUP(board's MSI support is broken) | |
2231 | * is a programming error. Fall back to INTx silently on -ENOTSUP */ | |
2232 | assert(!ret || ret == -ENOTSUP); | |
1108b2f8 | 2233 | |
786fd2b0 DF |
2234 | if (!vmxnet3_init_msix(s)) { |
2235 | VMW_WRPRN("Failed to initialize MSI-X, configuration is inconsistent."); | |
2236 | } | |
2237 | ||
786fd2b0 DF |
2238 | vmxnet3_net_init(s); |
2239 | ||
3509866a | 2240 | if (pci_is_express(pci_dev)) { |
fd56e061 | 2241 | if (pci_bus_is_express(pci_get_bus(pci_dev))) { |
3509866a SL |
2242 | pcie_endpoint_cap_init(pci_dev, VMXNET3_EXP_EP_OFFSET); |
2243 | } | |
2244 | ||
a4b387e6 DF |
2245 | pcie_dev_ser_num_init(pci_dev, VMXNET3_DSN_OFFSET, |
2246 | vmxnet3_device_serial_num(s)); | |
f713d4d2 | 2247 | } |
786fd2b0 DF |
2248 | } |
2249 | ||
e25524ef GA |
2250 | static void vmxnet3_instance_init(Object *obj) |
2251 | { | |
2252 | VMXNET3State *s = VMXNET3(obj); | |
2253 | device_add_bootindex_property(obj, &s->conf.bootindex, | |
2254 | "bootindex", "/ethernet-phy@0", | |
40c2281c | 2255 | DEVICE(obj)); |
e25524ef | 2256 | } |
786fd2b0 DF |
2257 | |
2258 | static void vmxnet3_pci_uninit(PCIDevice *pci_dev) | |
2259 | { | |
786fd2b0 DF |
2260 | VMXNET3State *s = VMXNET3(pci_dev); |
2261 | ||
2262 | VMW_CBPRN("Starting uninit..."); | |
2263 | ||
786fd2b0 DF |
2264 | vmxnet3_net_uninit(s); |
2265 | ||
2266 | vmxnet3_cleanup_msix(s); | |
2267 | ||
2268 | vmxnet3_cleanup_msi(s); | |
786fd2b0 DF |
2269 | } |
2270 | ||
2271 | static void vmxnet3_qdev_reset(DeviceState *dev) | |
2272 | { | |
2273 | PCIDevice *d = PCI_DEVICE(dev); | |
2274 | VMXNET3State *s = VMXNET3(d); | |
2275 | ||
2276 | VMW_CBPRN("Starting QDEV reset..."); | |
2277 | vmxnet3_reset(s); | |
2278 | } | |
2279 | ||
2280 | static bool vmxnet3_mc_list_needed(void *opaque) | |
2281 | { | |
2282 | return true; | |
2283 | } | |
2284 | ||
2285 | static int vmxnet3_mcast_list_pre_load(void *opaque) | |
2286 | { | |
2287 | VMXNET3State *s = opaque; | |
2288 | ||
2289 | s->mcast_list = g_malloc(s->mcast_list_buff_size); | |
2290 | ||
2291 | return 0; | |
2292 | } | |
2293 | ||
2294 | ||
44b1ff31 | 2295 | static int vmxnet3_pre_save(void *opaque) |
786fd2b0 DF |
2296 | { |
2297 | VMXNET3State *s = opaque; | |
2298 | ||
2299 | s->mcast_list_buff_size = s->mcast_list_len * sizeof(MACAddr); | |
44b1ff31 DDAG |
2300 | |
2301 | return 0; | |
786fd2b0 DF |
2302 | } |
2303 | ||
2304 | static const VMStateDescription vmxstate_vmxnet3_mcast_list = { | |
2305 | .name = "vmxnet3/mcast_list", | |
2306 | .version_id = 1, | |
2307 | .minimum_version_id = 1, | |
786fd2b0 | 2308 | .pre_load = vmxnet3_mcast_list_pre_load, |
5cd8cada | 2309 | .needed = vmxnet3_mc_list_needed, |
1de81b42 | 2310 | .fields = (const VMStateField[]) { |
59046ec2 | 2311 | VMSTATE_VBUFFER_UINT32(mcast_list, VMXNET3State, 0, NULL, |
786fd2b0 DF |
2312 | mcast_list_buff_size), |
2313 | VMSTATE_END_OF_LIST() | |
2314 | } | |
2315 | }; | |
2316 | ||
a11f5cb0 DDAG |
2317 | static const VMStateDescription vmstate_vmxnet3_ring = { |
2318 | .name = "vmxnet3-ring", | |
2319 | .version_id = 0, | |
1de81b42 | 2320 | .fields = (const VMStateField[]) { |
a11f5cb0 DDAG |
2321 | VMSTATE_UINT64(pa, Vmxnet3Ring), |
2322 | VMSTATE_UINT32(size, Vmxnet3Ring), | |
2323 | VMSTATE_UINT32(cell_size, Vmxnet3Ring), | |
2324 | VMSTATE_UINT32(next, Vmxnet3Ring), | |
2325 | VMSTATE_UINT8(gen, Vmxnet3Ring), | |
2326 | VMSTATE_END_OF_LIST() | |
2327 | } | |
786fd2b0 DF |
2328 | }; |
2329 | ||
a11f5cb0 DDAG |
2330 | static const VMStateDescription vmstate_vmxnet3_tx_stats = { |
2331 | .name = "vmxnet3-tx-stats", | |
2332 | .version_id = 0, | |
1de81b42 | 2333 | .fields = (const VMStateField[]) { |
a11f5cb0 DDAG |
2334 | VMSTATE_UINT64(TSOPktsTxOK, struct UPT1_TxStats), |
2335 | VMSTATE_UINT64(TSOBytesTxOK, struct UPT1_TxStats), | |
2336 | VMSTATE_UINT64(ucastPktsTxOK, struct UPT1_TxStats), | |
2337 | VMSTATE_UINT64(ucastBytesTxOK, struct UPT1_TxStats), | |
2338 | VMSTATE_UINT64(mcastPktsTxOK, struct UPT1_TxStats), | |
2339 | VMSTATE_UINT64(mcastBytesTxOK, struct UPT1_TxStats), | |
2340 | VMSTATE_UINT64(bcastPktsTxOK, struct UPT1_TxStats), | |
2341 | VMSTATE_UINT64(bcastBytesTxOK, struct UPT1_TxStats), | |
2342 | VMSTATE_UINT64(pktsTxError, struct UPT1_TxStats), | |
2343 | VMSTATE_UINT64(pktsTxDiscard, struct UPT1_TxStats), | |
2344 | VMSTATE_END_OF_LIST() | |
786fd2b0 | 2345 | } |
a11f5cb0 | 2346 | }; |
786fd2b0 | 2347 | |
a11f5cb0 DDAG |
2348 | static const VMStateDescription vmstate_vmxnet3_txq_descr = { |
2349 | .name = "vmxnet3-txq-descr", | |
2350 | .version_id = 0, | |
1de81b42 | 2351 | .fields = (const VMStateField[]) { |
a11f5cb0 DDAG |
2352 | VMSTATE_STRUCT(tx_ring, Vmxnet3TxqDescr, 0, vmstate_vmxnet3_ring, |
2353 | Vmxnet3Ring), | |
2354 | VMSTATE_STRUCT(comp_ring, Vmxnet3TxqDescr, 0, vmstate_vmxnet3_ring, | |
2355 | Vmxnet3Ring), | |
2356 | VMSTATE_UINT8(intr_idx, Vmxnet3TxqDescr), | |
2357 | VMSTATE_UINT64(tx_stats_pa, Vmxnet3TxqDescr), | |
2358 | VMSTATE_STRUCT(txq_stats, Vmxnet3TxqDescr, 0, vmstate_vmxnet3_tx_stats, | |
2359 | struct UPT1_TxStats), | |
2360 | VMSTATE_END_OF_LIST() | |
786fd2b0 | 2361 | } |
a11f5cb0 | 2362 | }; |
786fd2b0 | 2363 | |
a11f5cb0 DDAG |
2364 | static const VMStateDescription vmstate_vmxnet3_rx_stats = { |
2365 | .name = "vmxnet3-rx-stats", | |
2366 | .version_id = 0, | |
1de81b42 | 2367 | .fields = (const VMStateField[]) { |
a11f5cb0 DDAG |
2368 | VMSTATE_UINT64(LROPktsRxOK, struct UPT1_RxStats), |
2369 | VMSTATE_UINT64(LROBytesRxOK, struct UPT1_RxStats), | |
2370 | VMSTATE_UINT64(ucastPktsRxOK, struct UPT1_RxStats), | |
2371 | VMSTATE_UINT64(ucastBytesRxOK, struct UPT1_RxStats), | |
2372 | VMSTATE_UINT64(mcastPktsRxOK, struct UPT1_RxStats), | |
2373 | VMSTATE_UINT64(mcastBytesRxOK, struct UPT1_RxStats), | |
2374 | VMSTATE_UINT64(bcastPktsRxOK, struct UPT1_RxStats), | |
2375 | VMSTATE_UINT64(bcastBytesRxOK, struct UPT1_RxStats), | |
2376 | VMSTATE_UINT64(pktsRxOutOfBuf, struct UPT1_RxStats), | |
2377 | VMSTATE_UINT64(pktsRxError, struct UPT1_RxStats), | |
2378 | VMSTATE_END_OF_LIST() | |
2379 | } | |
2380 | }; | |
2c21ee76 | 2381 | |
a11f5cb0 DDAG |
2382 | static const VMStateDescription vmstate_vmxnet3_rxq_descr = { |
2383 | .name = "vmxnet3-rxq-descr", | |
2384 | .version_id = 0, | |
1de81b42 | 2385 | .fields = (const VMStateField[]) { |
a11f5cb0 DDAG |
2386 | VMSTATE_STRUCT_ARRAY(rx_ring, Vmxnet3RxqDescr, |
2387 | VMXNET3_RX_RINGS_PER_QUEUE, 0, | |
2388 | vmstate_vmxnet3_ring, Vmxnet3Ring), | |
2389 | VMSTATE_STRUCT(comp_ring, Vmxnet3RxqDescr, 0, vmstate_vmxnet3_ring, | |
2390 | Vmxnet3Ring), | |
2391 | VMSTATE_UINT8(intr_idx, Vmxnet3RxqDescr), | |
2392 | VMSTATE_UINT64(rx_stats_pa, Vmxnet3RxqDescr), | |
2393 | VMSTATE_STRUCT(rxq_stats, Vmxnet3RxqDescr, 0, vmstate_vmxnet3_rx_stats, | |
2394 | struct UPT1_RxStats), | |
2395 | VMSTATE_END_OF_LIST() | |
2396 | } | |
2397 | }; | |
786fd2b0 DF |
2398 | |
2399 | static int vmxnet3_post_load(void *opaque, int version_id) | |
2400 | { | |
2401 | VMXNET3State *s = opaque; | |
786fd2b0 | 2402 | |
a51db580 | 2403 | net_tx_pkt_init(&s->tx_pkt, s->max_tx_frags); |
aac8f89d | 2404 | net_rx_pkt_init(&s->rx_pkt); |
786fd2b0 DF |
2405 | |
2406 | if (s->msix_used) { | |
15377f6e | 2407 | vmxnet3_use_msix_vectors(s, VMXNET3_MAX_INTRS); |
786fd2b0 DF |
2408 | } |
2409 | ||
9010b0c7 TH |
2410 | if (!vmxnet3_validate_queues(s)) { |
2411 | return -1; | |
2412 | } | |
3c99afc7 DF |
2413 | vmxnet3_validate_interrupts(s); |
2414 | ||
786fd2b0 DF |
2415 | return 0; |
2416 | } | |
2417 | ||
a11f5cb0 DDAG |
2418 | static const VMStateDescription vmstate_vmxnet3_int_state = { |
2419 | .name = "vmxnet3-int-state", | |
2420 | .version_id = 0, | |
1de81b42 | 2421 | .fields = (const VMStateField[]) { |
a11f5cb0 DDAG |
2422 | VMSTATE_BOOL(is_masked, Vmxnet3IntState), |
2423 | VMSTATE_BOOL(is_pending, Vmxnet3IntState), | |
2424 | VMSTATE_BOOL(is_asserted, Vmxnet3IntState), | |
2425 | VMSTATE_END_OF_LIST() | |
2426 | } | |
786fd2b0 DF |
2427 | }; |
2428 | ||
2429 | static const VMStateDescription vmstate_vmxnet3 = { | |
2430 | .name = "vmxnet3", | |
2431 | .version_id = 1, | |
2432 | .minimum_version_id = 1, | |
786fd2b0 DF |
2433 | .pre_save = vmxnet3_pre_save, |
2434 | .post_load = vmxnet3_post_load, | |
1de81b42 | 2435 | .fields = (const VMStateField[]) { |
78dd48df MA |
2436 | VMSTATE_PCI_DEVICE(parent_obj, VMXNET3State), |
2437 | VMSTATE_MSIX(parent_obj, VMXNET3State), | |
786fd2b0 DF |
2438 | VMSTATE_BOOL(rx_packets_compound, VMXNET3State), |
2439 | VMSTATE_BOOL(rx_vlan_stripping, VMXNET3State), | |
2440 | VMSTATE_BOOL(lro_supported, VMXNET3State), | |
2441 | VMSTATE_UINT32(rx_mode, VMXNET3State), | |
2442 | VMSTATE_UINT32(mcast_list_len, VMXNET3State), | |
2443 | VMSTATE_UINT32(mcast_list_buff_size, VMXNET3State), | |
2444 | VMSTATE_UINT32_ARRAY(vlan_table, VMXNET3State, VMXNET3_VFT_SIZE), | |
2445 | VMSTATE_UINT32(mtu, VMXNET3State), | |
2446 | VMSTATE_UINT16(max_rx_frags, VMXNET3State), | |
2447 | VMSTATE_UINT32(max_tx_frags, VMXNET3State), | |
2448 | VMSTATE_UINT8(event_int_idx, VMXNET3State), | |
2449 | VMSTATE_BOOL(auto_int_masking, VMXNET3State), | |
2450 | VMSTATE_UINT8(txq_num, VMXNET3State), | |
2451 | VMSTATE_UINT8(rxq_num, VMXNET3State), | |
2452 | VMSTATE_UINT32(device_active, VMXNET3State), | |
2453 | VMSTATE_UINT32(last_command, VMXNET3State), | |
2454 | VMSTATE_UINT32(link_status_and_speed, VMXNET3State), | |
2455 | VMSTATE_UINT32(temp_mac, VMXNET3State), | |
2456 | VMSTATE_UINT64(drv_shmem, VMXNET3State), | |
2457 | VMSTATE_UINT64(temp_shared_guest_driver_memory, VMXNET3State), | |
2458 | ||
a11f5cb0 DDAG |
2459 | VMSTATE_STRUCT_ARRAY(txq_descr, VMXNET3State, |
2460 | VMXNET3_DEVICE_MAX_TX_QUEUES, 0, vmstate_vmxnet3_txq_descr, | |
786fd2b0 | 2461 | Vmxnet3TxqDescr), |
a11f5cb0 DDAG |
2462 | VMSTATE_STRUCT_ARRAY(rxq_descr, VMXNET3State, |
2463 | VMXNET3_DEVICE_MAX_RX_QUEUES, 0, vmstate_vmxnet3_rxq_descr, | |
786fd2b0 | 2464 | Vmxnet3RxqDescr), |
a11f5cb0 DDAG |
2465 | VMSTATE_STRUCT_ARRAY(interrupt_states, VMXNET3State, |
2466 | VMXNET3_MAX_INTRS, 0, vmstate_vmxnet3_int_state, | |
2467 | Vmxnet3IntState), | |
786fd2b0 DF |
2468 | |
2469 | VMSTATE_END_OF_LIST() | |
2470 | }, | |
1de81b42 | 2471 | .subsections = (const VMStateDescription * const []) { |
5cd8cada JQ |
2472 | &vmxstate_vmxnet3_mcast_list, |
2473 | NULL | |
786fd2b0 DF |
2474 | } |
2475 | }; | |
2476 | ||
786fd2b0 DF |
2477 | static Property vmxnet3_properties[] = { |
2478 | DEFINE_NIC_PROPERTIES(VMXNET3State, conf), | |
b22e0aef SL |
2479 | DEFINE_PROP_BIT("x-old-msi-offsets", VMXNET3State, compat_flags, |
2480 | VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT, false), | |
7d6d347d SL |
2481 | DEFINE_PROP_BIT("x-disable-pcie", VMXNET3State, compat_flags, |
2482 | VMXNET3_COMPAT_FLAG_DISABLE_PCIE_BIT, false), | |
786fd2b0 DF |
2483 | DEFINE_PROP_END_OF_LIST(), |
2484 | }; | |
2485 | ||
f713d4d2 SL |
2486 | static void vmxnet3_realize(DeviceState *qdev, Error **errp) |
2487 | { | |
2488 | VMXNET3Class *vc = VMXNET3_DEVICE_GET_CLASS(qdev); | |
2489 | PCIDevice *pci_dev = PCI_DEVICE(qdev); | |
2490 | VMXNET3State *s = VMXNET3(qdev); | |
2491 | ||
2492 | if (!(s->compat_flags & VMXNET3_COMPAT_FLAG_DISABLE_PCIE)) { | |
2493 | pci_dev->cap_present |= QEMU_PCI_CAP_EXPRESS; | |
2494 | } | |
2495 | ||
2496 | vc->parent_dc_realize(qdev, errp); | |
2497 | } | |
2498 | ||
786fd2b0 DF |
2499 | static void vmxnet3_class_init(ObjectClass *class, void *data) |
2500 | { | |
2501 | DeviceClass *dc = DEVICE_CLASS(class); | |
2502 | PCIDeviceClass *c = PCI_DEVICE_CLASS(class); | |
f713d4d2 | 2503 | VMXNET3Class *vc = VMXNET3_DEVICE_CLASS(class); |
786fd2b0 | 2504 | |
9af21dbe | 2505 | c->realize = vmxnet3_pci_realize; |
786fd2b0 DF |
2506 | c->exit = vmxnet3_pci_uninit; |
2507 | c->vendor_id = PCI_VENDOR_ID_VMWARE; | |
2508 | c->device_id = PCI_DEVICE_ID_VMWARE_VMXNET3; | |
2509 | c->revision = PCI_DEVICE_ID_VMWARE_VMXNET3_REVISION; | |
43716de6 | 2510 | c->romfile = "efi-vmxnet3.rom"; |
786fd2b0 DF |
2511 | c->class_id = PCI_CLASS_NETWORK_ETHERNET; |
2512 | c->subsystem_vendor_id = PCI_VENDOR_ID_VMWARE; | |
2513 | c->subsystem_id = PCI_DEVICE_ID_VMWARE_VMXNET3; | |
bf853881 PMD |
2514 | device_class_set_parent_realize(dc, vmxnet3_realize, |
2515 | &vc->parent_dc_realize); | |
786fd2b0 DF |
2516 | dc->desc = "VMWare Paravirtualized Ethernet v3"; |
2517 | dc->reset = vmxnet3_qdev_reset; | |
2518 | dc->vmsd = &vmstate_vmxnet3; | |
4f67d30b | 2519 | device_class_set_props(dc, vmxnet3_properties); |
125ee0ed | 2520 | set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); |
786fd2b0 DF |
2521 | } |
2522 | ||
2523 | static const TypeInfo vmxnet3_info = { | |
2524 | .name = TYPE_VMXNET3, | |
2525 | .parent = TYPE_PCI_DEVICE, | |
b79f17a9 | 2526 | .class_size = sizeof(VMXNET3Class), |
786fd2b0 DF |
2527 | .instance_size = sizeof(VMXNET3State), |
2528 | .class_init = vmxnet3_class_init, | |
e25524ef | 2529 | .instance_init = vmxnet3_instance_init, |
a5fa336f EH |
2530 | .interfaces = (InterfaceInfo[]) { |
2531 | { INTERFACE_PCIE_DEVICE }, | |
2532 | { INTERFACE_CONVENTIONAL_PCI_DEVICE }, | |
2533 | { } | |
2534 | }, | |
786fd2b0 DF |
2535 | }; |
2536 | ||
2537 | static void vmxnet3_register_types(void) | |
2538 | { | |
2539 | VMW_CBPRN("vmxnet3_register_types called..."); | |
2540 | type_register_static(&vmxnet3_info); | |
2541 | } | |
2542 | ||
2543 | type_init(vmxnet3_register_types) |