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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" | |
786fd2b0 DF |
21 | #include "net/tap.h" |
22 | #include "net/checksum.h" | |
23 | #include "sysemu/sysemu.h" | |
786fd2b0 | 24 | #include "qemu/bswap.h" |
0b8fa32f | 25 | #include "qemu/module.h" |
0d09e41a PB |
26 | #include "hw/pci/msix.h" |
27 | #include "hw/pci/msi.h" | |
f2a8f0a6 | 28 | #include "migration/register.h" |
786fd2b0 DF |
29 | |
30 | #include "vmxnet3.h" | |
317639aa | 31 | #include "vmxnet3_defs.h" |
786fd2b0 DF |
32 | #include "vmxnet_debug.h" |
33 | #include "vmware_utils.h" | |
605d52e6 DF |
34 | #include "net_tx_pkt.h" |
35 | #include "net_rx_pkt.h" | |
786fd2b0 DF |
36 | |
37 | #define PCI_DEVICE_ID_VMWARE_VMXNET3_REVISION 0x1 | |
38 | #define VMXNET3_MSIX_BAR_SIZE 0x2000 | |
40a87c6c | 39 | #define MIN_BUF_SIZE 60 |
786fd2b0 | 40 | |
cb8d4c8f | 41 | /* Compatibility flags for migration */ |
f9262dae SL |
42 | #define VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT 0 |
43 | #define VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS \ | |
44 | (1 << VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT) | |
f713d4d2 SL |
45 | #define VMXNET3_COMPAT_FLAG_DISABLE_PCIE_BIT 1 |
46 | #define VMXNET3_COMPAT_FLAG_DISABLE_PCIE \ | |
47 | (1 << VMXNET3_COMPAT_FLAG_DISABLE_PCIE_BIT) | |
f9262dae | 48 | |
f713d4d2 | 49 | #define VMXNET3_EXP_EP_OFFSET (0x48) |
f9262dae SL |
50 | #define VMXNET3_MSI_OFFSET(s) \ |
51 | ((s)->compat_flags & VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS ? 0x50 : 0x84) | |
52 | #define VMXNET3_MSIX_OFFSET(s) \ | |
53 | ((s)->compat_flags & VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS ? 0 : 0x9c) | |
3509866a | 54 | #define VMXNET3_DSN_OFFSET (0x100) |
f9262dae | 55 | |
786fd2b0 DF |
56 | #define VMXNET3_BAR0_IDX (0) |
57 | #define VMXNET3_BAR1_IDX (1) | |
58 | #define VMXNET3_MSIX_BAR_IDX (2) | |
59 | ||
60 | #define VMXNET3_OFF_MSIX_TABLE (0x000) | |
9c087a05 SL |
61 | #define VMXNET3_OFF_MSIX_PBA(s) \ |
62 | ((s)->compat_flags & VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS ? 0x800 : 0x1000) | |
786fd2b0 DF |
63 | |
64 | /* Link speed in Mbps should be shifted by 16 */ | |
65 | #define VMXNET3_LINK_SPEED (1000 << 16) | |
66 | ||
67 | /* Link status: 1 - up, 0 - down. */ | |
68 | #define VMXNET3_LINK_STATUS_UP 0x1 | |
69 | ||
70 | /* Least significant bit should be set for revision and version */ | |
c12d82ef | 71 | #define VMXNET3_UPT_REVISION 0x1 |
786fd2b0 DF |
72 | #define VMXNET3_DEVICE_REVISION 0x1 |
73 | ||
8c6c0478 DF |
74 | /* Number of interrupt vectors for non-MSIx modes */ |
75 | #define VMXNET3_MAX_NMSIX_INTRS (1) | |
76 | ||
786fd2b0 | 77 | /* Macros for rings descriptors access */ |
c5082773 KA |
78 | #define VMXNET3_READ_TX_QUEUE_DESCR8(_d, dpa, field) \ |
79 | (vmw_shmem_ld8(_d, dpa + offsetof(struct Vmxnet3_TxQueueDesc, field))) | |
786fd2b0 | 80 | |
c5082773 KA |
81 | #define VMXNET3_WRITE_TX_QUEUE_DESCR8(_d, dpa, field, value) \ |
82 | (vmw_shmem_st8(_d, dpa + offsetof(struct Vmxnet3_TxQueueDesc, field, value))) | |
786fd2b0 | 83 | |
c5082773 KA |
84 | #define VMXNET3_READ_TX_QUEUE_DESCR32(_d, dpa, field) \ |
85 | (vmw_shmem_ld32(_d, dpa + offsetof(struct Vmxnet3_TxQueueDesc, field))) | |
786fd2b0 | 86 | |
c5082773 KA |
87 | #define VMXNET3_WRITE_TX_QUEUE_DESCR32(_d, dpa, field, value) \ |
88 | (vmw_shmem_st32(_d, dpa + offsetof(struct Vmxnet3_TxQueueDesc, field), value)) | |
786fd2b0 | 89 | |
c5082773 KA |
90 | #define VMXNET3_READ_TX_QUEUE_DESCR64(_d, dpa, field) \ |
91 | (vmw_shmem_ld64(_d, dpa + offsetof(struct Vmxnet3_TxQueueDesc, field))) | |
786fd2b0 | 92 | |
c5082773 KA |
93 | #define VMXNET3_WRITE_TX_QUEUE_DESCR64(_d, dpa, field, value) \ |
94 | (vmw_shmem_st64(_d, dpa + offsetof(struct Vmxnet3_TxQueueDesc, field), value)) | |
786fd2b0 | 95 | |
c5082773 KA |
96 | #define VMXNET3_READ_RX_QUEUE_DESCR64(_d, dpa, field) \ |
97 | (vmw_shmem_ld64(_d, dpa + offsetof(struct Vmxnet3_RxQueueDesc, field))) | |
786fd2b0 | 98 | |
c5082773 KA |
99 | #define VMXNET3_READ_RX_QUEUE_DESCR32(_d, dpa, field) \ |
100 | (vmw_shmem_ld32(_d, dpa + offsetof(struct Vmxnet3_RxQueueDesc, field))) | |
786fd2b0 | 101 | |
c5082773 KA |
102 | #define VMXNET3_WRITE_RX_QUEUE_DESCR64(_d, dpa, field, value) \ |
103 | (vmw_shmem_st64(_d, dpa + offsetof(struct Vmxnet3_RxQueueDesc, field), value)) | |
786fd2b0 | 104 | |
c5082773 KA |
105 | #define VMXNET3_WRITE_RX_QUEUE_DESCR8(_d, dpa, field, value) \ |
106 | (vmw_shmem_st8(_d, dpa + offsetof(struct Vmxnet3_RxQueueDesc, field), value)) | |
786fd2b0 DF |
107 | |
108 | /* Macros for guest driver shared area access */ | |
c5082773 KA |
109 | #define VMXNET3_READ_DRV_SHARED64(_d, shpa, field) \ |
110 | (vmw_shmem_ld64(_d, shpa + offsetof(struct Vmxnet3_DriverShared, field))) | |
786fd2b0 | 111 | |
c5082773 KA |
112 | #define VMXNET3_READ_DRV_SHARED32(_d, shpa, field) \ |
113 | (vmw_shmem_ld32(_d, shpa + offsetof(struct Vmxnet3_DriverShared, field))) | |
786fd2b0 | 114 | |
c5082773 KA |
115 | #define VMXNET3_WRITE_DRV_SHARED32(_d, shpa, field, val) \ |
116 | (vmw_shmem_st32(_d, shpa + offsetof(struct Vmxnet3_DriverShared, field), val)) | |
786fd2b0 | 117 | |
c5082773 KA |
118 | #define VMXNET3_READ_DRV_SHARED16(_d, shpa, field) \ |
119 | (vmw_shmem_ld16(_d, shpa + offsetof(struct Vmxnet3_DriverShared, field))) | |
786fd2b0 | 120 | |
c5082773 KA |
121 | #define VMXNET3_READ_DRV_SHARED8(_d, shpa, field) \ |
122 | (vmw_shmem_ld8(_d, shpa + offsetof(struct Vmxnet3_DriverShared, field))) | |
786fd2b0 | 123 | |
c5082773 KA |
124 | #define VMXNET3_READ_DRV_SHARED(_d, shpa, field, b, l) \ |
125 | (vmw_shmem_read(_d, shpa + offsetof(struct Vmxnet3_DriverShared, field), b, l)) | |
786fd2b0 DF |
126 | |
127 | #define VMXNET_FLAG_IS_SET(field, flag) (((field) & (flag)) == (flag)) | |
128 | ||
b79f17a9 SL |
129 | typedef struct VMXNET3Class { |
130 | PCIDeviceClass parent_class; | |
f713d4d2 | 131 | DeviceRealize parent_dc_realize; |
b79f17a9 SL |
132 | } VMXNET3Class; |
133 | ||
b79f17a9 SL |
134 | #define VMXNET3_DEVICE_CLASS(klass) \ |
135 | OBJECT_CLASS_CHECK(VMXNET3Class, (klass), TYPE_VMXNET3) | |
136 | #define VMXNET3_DEVICE_GET_CLASS(obj) \ | |
137 | OBJECT_GET_CLASS(VMXNET3Class, (obj), TYPE_VMXNET3) | |
138 | ||
c5082773 | 139 | static inline void vmxnet3_ring_init(PCIDevice *d, |
7d37435b | 140 | Vmxnet3Ring *ring, |
786fd2b0 | 141 | hwaddr pa, |
5504bba1 DDAG |
142 | uint32_t size, |
143 | uint32_t cell_size, | |
786fd2b0 DF |
144 | bool zero_region) |
145 | { | |
146 | ring->pa = pa; | |
147 | ring->size = size; | |
148 | ring->cell_size = cell_size; | |
149 | ring->gen = VMXNET3_INIT_GEN; | |
150 | ring->next = 0; | |
151 | ||
152 | if (zero_region) { | |
c5082773 | 153 | vmw_shmem_set(d, pa, 0, size * cell_size); |
786fd2b0 DF |
154 | } |
155 | } | |
156 | ||
157 | #define VMXNET3_RING_DUMP(macro, ring_name, ridx, r) \ | |
5504bba1 | 158 | macro("%s#%d: base %" PRIx64 " size %u cell_size %u gen %d next %u", \ |
786fd2b0 DF |
159 | (ring_name), (ridx), \ |
160 | (r)->pa, (r)->size, (r)->cell_size, (r)->gen, (r)->next) | |
161 | ||
162 | static inline void vmxnet3_ring_inc(Vmxnet3Ring *ring) | |
163 | { | |
164 | if (++ring->next >= ring->size) { | |
165 | ring->next = 0; | |
166 | ring->gen ^= 1; | |
167 | } | |
168 | } | |
169 | ||
170 | static inline void vmxnet3_ring_dec(Vmxnet3Ring *ring) | |
171 | { | |
172 | if (ring->next-- == 0) { | |
173 | ring->next = ring->size - 1; | |
174 | ring->gen ^= 1; | |
175 | } | |
176 | } | |
177 | ||
178 | static inline hwaddr vmxnet3_ring_curr_cell_pa(Vmxnet3Ring *ring) | |
179 | { | |
180 | return ring->pa + ring->next * ring->cell_size; | |
181 | } | |
182 | ||
c5082773 | 183 | static inline void vmxnet3_ring_read_curr_cell(PCIDevice *d, Vmxnet3Ring *ring, |
7d37435b | 184 | void *buff) |
786fd2b0 | 185 | { |
c5082773 | 186 | vmw_shmem_read(d, vmxnet3_ring_curr_cell_pa(ring), buff, ring->cell_size); |
786fd2b0 DF |
187 | } |
188 | ||
c5082773 | 189 | static inline void vmxnet3_ring_write_curr_cell(PCIDevice *d, Vmxnet3Ring *ring, |
7d37435b | 190 | void *buff) |
786fd2b0 | 191 | { |
c5082773 | 192 | vmw_shmem_write(d, vmxnet3_ring_curr_cell_pa(ring), buff, ring->cell_size); |
786fd2b0 DF |
193 | } |
194 | ||
195 | static inline size_t vmxnet3_ring_curr_cell_idx(Vmxnet3Ring *ring) | |
196 | { | |
197 | return ring->next; | |
198 | } | |
199 | ||
200 | static inline uint8_t vmxnet3_ring_curr_gen(Vmxnet3Ring *ring) | |
201 | { | |
202 | return ring->gen; | |
203 | } | |
204 | ||
205 | /* Debug trace-related functions */ | |
206 | static inline void | |
207 | vmxnet3_dump_tx_descr(struct Vmxnet3_TxDesc *descr) | |
208 | { | |
209 | VMW_PKPRN("TX DESCR: " | |
210 | "addr %" PRIx64 ", len: %d, gen: %d, rsvd: %d, " | |
211 | "dtype: %d, ext1: %d, msscof: %d, hlen: %d, om: %d, " | |
212 | "eop: %d, cq: %d, ext2: %d, ti: %d, tci: %d", | |
c527e0af | 213 | descr->addr, descr->len, descr->gen, descr->rsvd, |
786fd2b0 DF |
214 | descr->dtype, descr->ext1, descr->msscof, descr->hlen, descr->om, |
215 | descr->eop, descr->cq, descr->ext2, descr->ti, descr->tci); | |
216 | } | |
217 | ||
218 | static inline void | |
219 | vmxnet3_dump_virt_hdr(struct virtio_net_hdr *vhdr) | |
220 | { | |
221 | VMW_PKPRN("VHDR: flags 0x%x, gso_type: 0x%x, hdr_len: %d, gso_size: %d, " | |
222 | "csum_start: %d, csum_offset: %d", | |
223 | vhdr->flags, vhdr->gso_type, vhdr->hdr_len, vhdr->gso_size, | |
224 | vhdr->csum_start, vhdr->csum_offset); | |
225 | } | |
226 | ||
227 | static inline void | |
228 | vmxnet3_dump_rx_descr(struct Vmxnet3_RxDesc *descr) | |
229 | { | |
230 | VMW_PKPRN("RX DESCR: addr %" PRIx64 ", len: %d, gen: %d, rsvd: %d, " | |
231 | "dtype: %d, ext1: %d, btype: %d", | |
c527e0af | 232 | descr->addr, descr->len, descr->gen, |
786fd2b0 DF |
233 | descr->rsvd, descr->dtype, descr->ext1, descr->btype); |
234 | } | |
235 | ||
786fd2b0 DF |
236 | /* Interrupt management */ |
237 | ||
238 | /* | |
52ea63de | 239 | * This function returns sign whether interrupt line is in asserted state |
786fd2b0 DF |
240 | * This depends on the type of interrupt used. For INTX interrupt line will |
241 | * be asserted until explicit deassertion, for MSI(X) interrupt line will | |
242 | * be deasserted automatically due to notification semantics of the MSI(X) | |
243 | * interrupts | |
244 | */ | |
245 | static bool _vmxnet3_assert_interrupt_line(VMXNET3State *s, uint32_t int_idx) | |
246 | { | |
247 | PCIDevice *d = PCI_DEVICE(s); | |
248 | ||
249 | if (s->msix_used && msix_enabled(d)) { | |
250 | VMW_IRPRN("Sending MSI-X notification for vector %u", int_idx); | |
251 | msix_notify(d, int_idx); | |
252 | return false; | |
253 | } | |
1070048e | 254 | if (msi_enabled(d)) { |
786fd2b0 DF |
255 | VMW_IRPRN("Sending MSI notification for vector %u", int_idx); |
256 | msi_notify(d, int_idx); | |
257 | return false; | |
258 | } | |
259 | ||
260 | VMW_IRPRN("Asserting line for interrupt %u", int_idx); | |
4c89e3e5 | 261 | pci_irq_assert(d); |
786fd2b0 DF |
262 | return true; |
263 | } | |
264 | ||
265 | static void _vmxnet3_deassert_interrupt_line(VMXNET3State *s, int lidx) | |
266 | { | |
267 | PCIDevice *d = PCI_DEVICE(s); | |
268 | ||
269 | /* | |
270 | * This function should never be called for MSI(X) interrupts | |
271 | * because deassertion never required for message interrupts | |
272 | */ | |
273 | assert(!s->msix_used || !msix_enabled(d)); | |
274 | /* | |
275 | * This function should never be called for MSI(X) interrupts | |
276 | * because deassertion never required for message interrupts | |
277 | */ | |
1070048e | 278 | assert(!msi_enabled(d)); |
786fd2b0 DF |
279 | |
280 | VMW_IRPRN("Deasserting line for interrupt %u", lidx); | |
4c89e3e5 | 281 | pci_irq_deassert(d); |
786fd2b0 DF |
282 | } |
283 | ||
284 | static void vmxnet3_update_interrupt_line_state(VMXNET3State *s, int lidx) | |
285 | { | |
286 | if (!s->interrupt_states[lidx].is_pending && | |
287 | s->interrupt_states[lidx].is_asserted) { | |
288 | VMW_IRPRN("New interrupt line state for index %d is DOWN", lidx); | |
289 | _vmxnet3_deassert_interrupt_line(s, lidx); | |
290 | s->interrupt_states[lidx].is_asserted = false; | |
291 | return; | |
292 | } | |
293 | ||
294 | if (s->interrupt_states[lidx].is_pending && | |
295 | !s->interrupt_states[lidx].is_masked && | |
296 | !s->interrupt_states[lidx].is_asserted) { | |
297 | VMW_IRPRN("New interrupt line state for index %d is UP", lidx); | |
298 | s->interrupt_states[lidx].is_asserted = | |
299 | _vmxnet3_assert_interrupt_line(s, lidx); | |
300 | s->interrupt_states[lidx].is_pending = false; | |
301 | return; | |
302 | } | |
303 | } | |
304 | ||
305 | static void vmxnet3_trigger_interrupt(VMXNET3State *s, int lidx) | |
306 | { | |
307 | PCIDevice *d = PCI_DEVICE(s); | |
308 | s->interrupt_states[lidx].is_pending = true; | |
309 | vmxnet3_update_interrupt_line_state(s, lidx); | |
310 | ||
311 | if (s->msix_used && msix_enabled(d) && s->auto_int_masking) { | |
312 | goto do_automask; | |
313 | } | |
314 | ||
1070048e | 315 | if (msi_enabled(d) && s->auto_int_masking) { |
786fd2b0 DF |
316 | goto do_automask; |
317 | } | |
318 | ||
319 | return; | |
320 | ||
321 | do_automask: | |
322 | s->interrupt_states[lidx].is_masked = true; | |
323 | vmxnet3_update_interrupt_line_state(s, lidx); | |
324 | } | |
325 | ||
326 | static bool vmxnet3_interrupt_asserted(VMXNET3State *s, int lidx) | |
327 | { | |
328 | return s->interrupt_states[lidx].is_asserted; | |
329 | } | |
330 | ||
331 | static void vmxnet3_clear_interrupt(VMXNET3State *s, int int_idx) | |
332 | { | |
333 | s->interrupt_states[int_idx].is_pending = false; | |
334 | if (s->auto_int_masking) { | |
335 | s->interrupt_states[int_idx].is_masked = true; | |
336 | } | |
337 | vmxnet3_update_interrupt_line_state(s, int_idx); | |
338 | } | |
339 | ||
340 | static void | |
341 | vmxnet3_on_interrupt_mask_changed(VMXNET3State *s, int lidx, bool is_masked) | |
342 | { | |
343 | s->interrupt_states[lidx].is_masked = is_masked; | |
344 | vmxnet3_update_interrupt_line_state(s, lidx); | |
345 | } | |
346 | ||
c5082773 | 347 | static bool vmxnet3_verify_driver_magic(PCIDevice *d, hwaddr dshmem) |
786fd2b0 | 348 | { |
c5082773 | 349 | return (VMXNET3_READ_DRV_SHARED32(d, dshmem, magic) == VMXNET3_REV1_MAGIC); |
786fd2b0 DF |
350 | } |
351 | ||
352 | #define VMXNET3_GET_BYTE(x, byte_num) (((x) >> (byte_num)*8) & 0xFF) | |
353 | #define VMXNET3_MAKE_BYTE(byte_num, val) \ | |
354 | (((uint32_t)((val) & 0xFF)) << (byte_num)*8) | |
355 | ||
356 | static void vmxnet3_set_variable_mac(VMXNET3State *s, uint32_t h, uint32_t l) | |
357 | { | |
358 | s->conf.macaddr.a[0] = VMXNET3_GET_BYTE(l, 0); | |
359 | s->conf.macaddr.a[1] = VMXNET3_GET_BYTE(l, 1); | |
360 | s->conf.macaddr.a[2] = VMXNET3_GET_BYTE(l, 2); | |
361 | s->conf.macaddr.a[3] = VMXNET3_GET_BYTE(l, 3); | |
362 | s->conf.macaddr.a[4] = VMXNET3_GET_BYTE(h, 0); | |
363 | s->conf.macaddr.a[5] = VMXNET3_GET_BYTE(h, 1); | |
364 | ||
ab647872 | 365 | VMW_CFPRN("Variable MAC: " MAC_FMT, MAC_ARG(s->conf.macaddr.a)); |
786fd2b0 DF |
366 | |
367 | qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a); | |
368 | } | |
369 | ||
370 | static uint64_t vmxnet3_get_mac_low(MACAddr *addr) | |
371 | { | |
372 | return VMXNET3_MAKE_BYTE(0, addr->a[0]) | | |
373 | VMXNET3_MAKE_BYTE(1, addr->a[1]) | | |
374 | VMXNET3_MAKE_BYTE(2, addr->a[2]) | | |
375 | VMXNET3_MAKE_BYTE(3, addr->a[3]); | |
376 | } | |
377 | ||
378 | static uint64_t vmxnet3_get_mac_high(MACAddr *addr) | |
379 | { | |
380 | return VMXNET3_MAKE_BYTE(0, addr->a[4]) | | |
381 | VMXNET3_MAKE_BYTE(1, addr->a[5]); | |
382 | } | |
383 | ||
384 | static void | |
385 | vmxnet3_inc_tx_consumption_counter(VMXNET3State *s, int qidx) | |
386 | { | |
387 | vmxnet3_ring_inc(&s->txq_descr[qidx].tx_ring); | |
388 | } | |
389 | ||
390 | static inline void | |
391 | vmxnet3_inc_rx_consumption_counter(VMXNET3State *s, int qidx, int ridx) | |
392 | { | |
393 | vmxnet3_ring_inc(&s->rxq_descr[qidx].rx_ring[ridx]); | |
394 | } | |
395 | ||
396 | static inline void | |
397 | vmxnet3_inc_tx_completion_counter(VMXNET3State *s, int qidx) | |
398 | { | |
399 | vmxnet3_ring_inc(&s->txq_descr[qidx].comp_ring); | |
400 | } | |
401 | ||
402 | static void | |
403 | vmxnet3_inc_rx_completion_counter(VMXNET3State *s, int qidx) | |
404 | { | |
405 | vmxnet3_ring_inc(&s->rxq_descr[qidx].comp_ring); | |
406 | } | |
407 | ||
408 | static void | |
409 | vmxnet3_dec_rx_completion_counter(VMXNET3State *s, int qidx) | |
410 | { | |
411 | vmxnet3_ring_dec(&s->rxq_descr[qidx].comp_ring); | |
412 | } | |
413 | ||
3a87d009 | 414 | static void vmxnet3_complete_packet(VMXNET3State *s, int qidx, uint32_t tx_ridx) |
786fd2b0 DF |
415 | { |
416 | struct Vmxnet3_TxCompDesc txcq_descr; | |
c5082773 | 417 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
418 | |
419 | VMXNET3_RING_DUMP(VMW_RIPRN, "TXC", qidx, &s->txq_descr[qidx].comp_ring); | |
420 | ||
fdda170e | 421 | memset(&txcq_descr, 0, sizeof(txcq_descr)); |
786fd2b0 DF |
422 | txcq_descr.txdIdx = tx_ridx; |
423 | txcq_descr.gen = vmxnet3_ring_curr_gen(&s->txq_descr[qidx].comp_ring); | |
c527e0af TH |
424 | txcq_descr.val1 = cpu_to_le32(txcq_descr.val1); |
425 | txcq_descr.val2 = cpu_to_le32(txcq_descr.val2); | |
c5082773 | 426 | vmxnet3_ring_write_curr_cell(d, &s->txq_descr[qidx].comp_ring, &txcq_descr); |
786fd2b0 DF |
427 | |
428 | /* Flush changes in TX descriptor before changing the counter value */ | |
429 | smp_wmb(); | |
430 | ||
431 | vmxnet3_inc_tx_completion_counter(s, qidx); | |
432 | vmxnet3_trigger_interrupt(s, s->txq_descr[qidx].intr_idx); | |
433 | } | |
434 | ||
435 | static bool | |
436 | vmxnet3_setup_tx_offloads(VMXNET3State *s) | |
437 | { | |
438 | switch (s->offload_mode) { | |
439 | case VMXNET3_OM_NONE: | |
605d52e6 | 440 | net_tx_pkt_build_vheader(s->tx_pkt, false, false, 0); |
786fd2b0 DF |
441 | break; |
442 | ||
443 | case VMXNET3_OM_CSUM: | |
605d52e6 | 444 | net_tx_pkt_build_vheader(s->tx_pkt, false, true, 0); |
786fd2b0 DF |
445 | VMW_PKPRN("L4 CSO requested\n"); |
446 | break; | |
447 | ||
448 | case VMXNET3_OM_TSO: | |
605d52e6 | 449 | net_tx_pkt_build_vheader(s->tx_pkt, true, true, |
786fd2b0 | 450 | s->cso_or_gso_size); |
605d52e6 | 451 | net_tx_pkt_update_ip_checksums(s->tx_pkt); |
786fd2b0 DF |
452 | VMW_PKPRN("GSO offload requested."); |
453 | break; | |
454 | ||
455 | default: | |
dfc6f865 | 456 | g_assert_not_reached(); |
786fd2b0 DF |
457 | return false; |
458 | } | |
459 | ||
460 | return true; | |
461 | } | |
462 | ||
463 | static void | |
464 | vmxnet3_tx_retrieve_metadata(VMXNET3State *s, | |
465 | const struct Vmxnet3_TxDesc *txd) | |
466 | { | |
467 | s->offload_mode = txd->om; | |
468 | s->cso_or_gso_size = txd->msscof; | |
469 | s->tci = txd->tci; | |
470 | s->needs_vlan = txd->ti; | |
471 | } | |
472 | ||
473 | typedef enum { | |
474 | VMXNET3_PKT_STATUS_OK, | |
475 | VMXNET3_PKT_STATUS_ERROR, | |
476 | VMXNET3_PKT_STATUS_DISCARD,/* only for tx */ | |
477 | VMXNET3_PKT_STATUS_OUT_OF_BUF /* only for rx */ | |
478 | } Vmxnet3PktStatus; | |
479 | ||
480 | static void | |
481 | vmxnet3_on_tx_done_update_stats(VMXNET3State *s, int qidx, | |
482 | Vmxnet3PktStatus status) | |
483 | { | |
605d52e6 | 484 | size_t tot_len = net_tx_pkt_get_total_len(s->tx_pkt); |
786fd2b0 DF |
485 | struct UPT1_TxStats *stats = &s->txq_descr[qidx].txq_stats; |
486 | ||
487 | switch (status) { | |
488 | case VMXNET3_PKT_STATUS_OK: | |
605d52e6 | 489 | switch (net_tx_pkt_get_packet_type(s->tx_pkt)) { |
786fd2b0 DF |
490 | case ETH_PKT_BCAST: |
491 | stats->bcastPktsTxOK++; | |
492 | stats->bcastBytesTxOK += tot_len; | |
493 | break; | |
494 | case ETH_PKT_MCAST: | |
495 | stats->mcastPktsTxOK++; | |
496 | stats->mcastBytesTxOK += tot_len; | |
497 | break; | |
498 | case ETH_PKT_UCAST: | |
499 | stats->ucastPktsTxOK++; | |
500 | stats->ucastBytesTxOK += tot_len; | |
501 | break; | |
502 | default: | |
dfc6f865 | 503 | g_assert_not_reached(); |
786fd2b0 DF |
504 | } |
505 | ||
506 | if (s->offload_mode == VMXNET3_OM_TSO) { | |
507 | /* | |
508 | * According to VMWARE headers this statistic is a number | |
509 | * of packets after segmentation but since we don't have | |
510 | * this information in QEMU model, the best we can do is to | |
511 | * provide number of non-segmented packets | |
512 | */ | |
513 | stats->TSOPktsTxOK++; | |
514 | stats->TSOBytesTxOK += tot_len; | |
515 | } | |
516 | break; | |
517 | ||
518 | case VMXNET3_PKT_STATUS_DISCARD: | |
519 | stats->pktsTxDiscard++; | |
520 | break; | |
521 | ||
522 | case VMXNET3_PKT_STATUS_ERROR: | |
523 | stats->pktsTxError++; | |
524 | break; | |
525 | ||
526 | default: | |
dfc6f865 | 527 | g_assert_not_reached(); |
786fd2b0 DF |
528 | } |
529 | } | |
530 | ||
531 | static void | |
532 | vmxnet3_on_rx_done_update_stats(VMXNET3State *s, | |
533 | int qidx, | |
534 | Vmxnet3PktStatus status) | |
535 | { | |
536 | struct UPT1_RxStats *stats = &s->rxq_descr[qidx].rxq_stats; | |
605d52e6 | 537 | size_t tot_len = net_rx_pkt_get_total_len(s->rx_pkt); |
786fd2b0 DF |
538 | |
539 | switch (status) { | |
540 | case VMXNET3_PKT_STATUS_OUT_OF_BUF: | |
541 | stats->pktsRxOutOfBuf++; | |
542 | break; | |
543 | ||
544 | case VMXNET3_PKT_STATUS_ERROR: | |
545 | stats->pktsRxError++; | |
546 | break; | |
547 | case VMXNET3_PKT_STATUS_OK: | |
605d52e6 | 548 | switch (net_rx_pkt_get_packet_type(s->rx_pkt)) { |
786fd2b0 DF |
549 | case ETH_PKT_BCAST: |
550 | stats->bcastPktsRxOK++; | |
551 | stats->bcastBytesRxOK += tot_len; | |
552 | break; | |
553 | case ETH_PKT_MCAST: | |
554 | stats->mcastPktsRxOK++; | |
555 | stats->mcastBytesRxOK += tot_len; | |
556 | break; | |
557 | case ETH_PKT_UCAST: | |
558 | stats->ucastPktsRxOK++; | |
559 | stats->ucastBytesRxOK += tot_len; | |
560 | break; | |
561 | default: | |
dfc6f865 | 562 | g_assert_not_reached(); |
786fd2b0 DF |
563 | } |
564 | ||
565 | if (tot_len > s->mtu) { | |
566 | stats->LROPktsRxOK++; | |
567 | stats->LROBytesRxOK += tot_len; | |
568 | } | |
569 | break; | |
570 | default: | |
dfc6f865 | 571 | g_assert_not_reached(); |
786fd2b0 DF |
572 | } |
573 | } | |
574 | ||
c527e0af TH |
575 | static inline void |
576 | vmxnet3_ring_read_curr_txdesc(PCIDevice *pcidev, Vmxnet3Ring *ring, | |
577 | struct Vmxnet3_TxDesc *txd) | |
578 | { | |
579 | vmxnet3_ring_read_curr_cell(pcidev, ring, txd); | |
580 | txd->addr = le64_to_cpu(txd->addr); | |
581 | txd->val1 = le32_to_cpu(txd->val1); | |
582 | txd->val2 = le32_to_cpu(txd->val2); | |
583 | } | |
584 | ||
786fd2b0 DF |
585 | static inline bool |
586 | vmxnet3_pop_next_tx_descr(VMXNET3State *s, | |
587 | int qidx, | |
588 | struct Vmxnet3_TxDesc *txd, | |
589 | uint32_t *descr_idx) | |
590 | { | |
591 | Vmxnet3Ring *ring = &s->txq_descr[qidx].tx_ring; | |
c5082773 | 592 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 | 593 | |
c527e0af | 594 | vmxnet3_ring_read_curr_txdesc(d, ring, txd); |
786fd2b0 DF |
595 | if (txd->gen == vmxnet3_ring_curr_gen(ring)) { |
596 | /* Only read after generation field verification */ | |
597 | smp_rmb(); | |
598 | /* Re-read to be sure we got the latest version */ | |
c527e0af | 599 | vmxnet3_ring_read_curr_txdesc(d, ring, txd); |
786fd2b0 DF |
600 | VMXNET3_RING_DUMP(VMW_RIPRN, "TX", qidx, ring); |
601 | *descr_idx = vmxnet3_ring_curr_cell_idx(ring); | |
602 | vmxnet3_inc_tx_consumption_counter(s, qidx); | |
603 | return true; | |
604 | } | |
605 | ||
606 | return false; | |
607 | } | |
608 | ||
609 | static bool | |
610 | vmxnet3_send_packet(VMXNET3State *s, uint32_t qidx) | |
611 | { | |
612 | Vmxnet3PktStatus status = VMXNET3_PKT_STATUS_OK; | |
613 | ||
614 | if (!vmxnet3_setup_tx_offloads(s)) { | |
615 | status = VMXNET3_PKT_STATUS_ERROR; | |
616 | goto func_exit; | |
617 | } | |
618 | ||
619 | /* debug prints */ | |
605d52e6 DF |
620 | vmxnet3_dump_virt_hdr(net_tx_pkt_get_vhdr(s->tx_pkt)); |
621 | net_tx_pkt_dump(s->tx_pkt); | |
786fd2b0 | 622 | |
605d52e6 | 623 | if (!net_tx_pkt_send(s->tx_pkt, qemu_get_queue(s->nic))) { |
786fd2b0 DF |
624 | status = VMXNET3_PKT_STATUS_DISCARD; |
625 | goto func_exit; | |
626 | } | |
627 | ||
628 | func_exit: | |
629 | vmxnet3_on_tx_done_update_stats(s, qidx, status); | |
630 | return (status == VMXNET3_PKT_STATUS_OK); | |
631 | } | |
632 | ||
633 | static void vmxnet3_process_tx_queue(VMXNET3State *s, int qidx) | |
634 | { | |
635 | struct Vmxnet3_TxDesc txd; | |
636 | uint32_t txd_idx; | |
637 | uint32_t data_len; | |
638 | hwaddr data_pa; | |
639 | ||
640 | for (;;) { | |
641 | if (!vmxnet3_pop_next_tx_descr(s, qidx, &txd, &txd_idx)) { | |
642 | break; | |
643 | } | |
644 | ||
645 | vmxnet3_dump_tx_descr(&txd); | |
646 | ||
647 | if (!s->skip_current_tx_pkt) { | |
648 | data_len = (txd.len > 0) ? txd.len : VMXNET3_MAX_TX_BUF_SIZE; | |
c527e0af | 649 | data_pa = txd.addr; |
786fd2b0 | 650 | |
605d52e6 | 651 | if (!net_tx_pkt_add_raw_fragment(s->tx_pkt, |
786fd2b0 DF |
652 | data_pa, |
653 | data_len)) { | |
654 | s->skip_current_tx_pkt = true; | |
655 | } | |
656 | } | |
657 | ||
658 | if (s->tx_sop) { | |
659 | vmxnet3_tx_retrieve_metadata(s, &txd); | |
660 | s->tx_sop = false; | |
661 | } | |
662 | ||
663 | if (txd.eop) { | |
605d52e6 | 664 | if (!s->skip_current_tx_pkt && net_tx_pkt_parse(s->tx_pkt)) { |
786fd2b0 | 665 | if (s->needs_vlan) { |
605d52e6 | 666 | net_tx_pkt_setup_vlan_header(s->tx_pkt, s->tci); |
786fd2b0 DF |
667 | } |
668 | ||
669 | vmxnet3_send_packet(s, qidx); | |
670 | } else { | |
671 | vmxnet3_on_tx_done_update_stats(s, qidx, | |
672 | VMXNET3_PKT_STATUS_ERROR); | |
673 | } | |
674 | ||
675 | vmxnet3_complete_packet(s, qidx, txd_idx); | |
676 | s->tx_sop = true; | |
677 | s->skip_current_tx_pkt = false; | |
605d52e6 | 678 | net_tx_pkt_reset(s->tx_pkt); |
786fd2b0 DF |
679 | } |
680 | } | |
681 | } | |
682 | ||
683 | static inline void | |
684 | vmxnet3_read_next_rx_descr(VMXNET3State *s, int qidx, int ridx, | |
685 | struct Vmxnet3_RxDesc *dbuf, uint32_t *didx) | |
686 | { | |
c5082773 KA |
687 | PCIDevice *d = PCI_DEVICE(s); |
688 | ||
786fd2b0 DF |
689 | Vmxnet3Ring *ring = &s->rxq_descr[qidx].rx_ring[ridx]; |
690 | *didx = vmxnet3_ring_curr_cell_idx(ring); | |
c5082773 | 691 | vmxnet3_ring_read_curr_cell(d, ring, dbuf); |
c527e0af TH |
692 | dbuf->addr = le64_to_cpu(dbuf->addr); |
693 | dbuf->val1 = le32_to_cpu(dbuf->val1); | |
694 | dbuf->ext1 = le32_to_cpu(dbuf->ext1); | |
786fd2b0 DF |
695 | } |
696 | ||
697 | static inline uint8_t | |
698 | vmxnet3_get_rx_ring_gen(VMXNET3State *s, int qidx, int ridx) | |
699 | { | |
700 | return s->rxq_descr[qidx].rx_ring[ridx].gen; | |
701 | } | |
702 | ||
703 | static inline hwaddr | |
704 | vmxnet3_pop_rxc_descr(VMXNET3State *s, int qidx, uint32_t *descr_gen) | |
705 | { | |
706 | uint8_t ring_gen; | |
707 | struct Vmxnet3_RxCompDesc rxcd; | |
708 | ||
709 | hwaddr daddr = | |
710 | vmxnet3_ring_curr_cell_pa(&s->rxq_descr[qidx].comp_ring); | |
711 | ||
c5082773 KA |
712 | pci_dma_read(PCI_DEVICE(s), |
713 | daddr, &rxcd, sizeof(struct Vmxnet3_RxCompDesc)); | |
c527e0af TH |
714 | rxcd.val1 = le32_to_cpu(rxcd.val1); |
715 | rxcd.val2 = le32_to_cpu(rxcd.val2); | |
716 | rxcd.val3 = le32_to_cpu(rxcd.val3); | |
786fd2b0 DF |
717 | ring_gen = vmxnet3_ring_curr_gen(&s->rxq_descr[qidx].comp_ring); |
718 | ||
719 | if (rxcd.gen != ring_gen) { | |
720 | *descr_gen = ring_gen; | |
721 | vmxnet3_inc_rx_completion_counter(s, qidx); | |
722 | return daddr; | |
723 | } | |
724 | ||
725 | return 0; | |
726 | } | |
727 | ||
728 | static inline void | |
729 | vmxnet3_revert_rxc_descr(VMXNET3State *s, int qidx) | |
730 | { | |
731 | vmxnet3_dec_rx_completion_counter(s, qidx); | |
732 | } | |
733 | ||
734 | #define RXQ_IDX (0) | |
735 | #define RX_HEAD_BODY_RING (0) | |
736 | #define RX_BODY_ONLY_RING (1) | |
737 | ||
738 | static bool | |
739 | vmxnet3_get_next_head_rx_descr(VMXNET3State *s, | |
740 | struct Vmxnet3_RxDesc *descr_buf, | |
741 | uint32_t *descr_idx, | |
742 | uint32_t *ridx) | |
743 | { | |
744 | for (;;) { | |
745 | uint32_t ring_gen; | |
746 | vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_HEAD_BODY_RING, | |
747 | descr_buf, descr_idx); | |
748 | ||
749 | /* If no more free descriptors - return */ | |
750 | ring_gen = vmxnet3_get_rx_ring_gen(s, RXQ_IDX, RX_HEAD_BODY_RING); | |
751 | if (descr_buf->gen != ring_gen) { | |
752 | return false; | |
753 | } | |
754 | ||
755 | /* Only read after generation field verification */ | |
756 | smp_rmb(); | |
757 | /* Re-read to be sure we got the latest version */ | |
758 | vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_HEAD_BODY_RING, | |
759 | descr_buf, descr_idx); | |
760 | ||
761 | /* Mark current descriptor as used/skipped */ | |
762 | vmxnet3_inc_rx_consumption_counter(s, RXQ_IDX, RX_HEAD_BODY_RING); | |
763 | ||
764 | /* If this is what we are looking for - return */ | |
765 | if (descr_buf->btype == VMXNET3_RXD_BTYPE_HEAD) { | |
766 | *ridx = RX_HEAD_BODY_RING; | |
767 | return true; | |
768 | } | |
769 | } | |
770 | } | |
771 | ||
772 | static bool | |
773 | vmxnet3_get_next_body_rx_descr(VMXNET3State *s, | |
774 | struct Vmxnet3_RxDesc *d, | |
775 | uint32_t *didx, | |
776 | uint32_t *ridx) | |
777 | { | |
778 | vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_HEAD_BODY_RING, d, didx); | |
779 | ||
780 | /* Try to find corresponding descriptor in head/body ring */ | |
781 | if (d->gen == vmxnet3_get_rx_ring_gen(s, RXQ_IDX, RX_HEAD_BODY_RING)) { | |
782 | /* Only read after generation field verification */ | |
783 | smp_rmb(); | |
784 | /* Re-read to be sure we got the latest version */ | |
785 | vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_HEAD_BODY_RING, d, didx); | |
786 | if (d->btype == VMXNET3_RXD_BTYPE_BODY) { | |
787 | vmxnet3_inc_rx_consumption_counter(s, RXQ_IDX, RX_HEAD_BODY_RING); | |
788 | *ridx = RX_HEAD_BODY_RING; | |
789 | return true; | |
790 | } | |
791 | } | |
792 | ||
793 | /* | |
794 | * If there is no free descriptors on head/body ring or next free | |
795 | * descriptor is a head descriptor switch to body only ring | |
796 | */ | |
797 | vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_BODY_ONLY_RING, d, didx); | |
798 | ||
799 | /* If no more free descriptors - return */ | |
800 | if (d->gen == vmxnet3_get_rx_ring_gen(s, RXQ_IDX, RX_BODY_ONLY_RING)) { | |
801 | /* Only read after generation field verification */ | |
802 | smp_rmb(); | |
803 | /* Re-read to be sure we got the latest version */ | |
804 | vmxnet3_read_next_rx_descr(s, RXQ_IDX, RX_BODY_ONLY_RING, d, didx); | |
805 | assert(d->btype == VMXNET3_RXD_BTYPE_BODY); | |
806 | *ridx = RX_BODY_ONLY_RING; | |
807 | vmxnet3_inc_rx_consumption_counter(s, RXQ_IDX, RX_BODY_ONLY_RING); | |
808 | return true; | |
809 | } | |
810 | ||
811 | return false; | |
812 | } | |
813 | ||
814 | static inline bool | |
815 | vmxnet3_get_next_rx_descr(VMXNET3State *s, bool is_head, | |
816 | struct Vmxnet3_RxDesc *descr_buf, | |
817 | uint32_t *descr_idx, | |
818 | uint32_t *ridx) | |
819 | { | |
820 | if (is_head || !s->rx_packets_compound) { | |
821 | return vmxnet3_get_next_head_rx_descr(s, descr_buf, descr_idx, ridx); | |
822 | } else { | |
823 | return vmxnet3_get_next_body_rx_descr(s, descr_buf, descr_idx, ridx); | |
824 | } | |
825 | } | |
826 | ||
80da311d DR |
827 | /* In case packet was csum offloaded (either NEEDS_CSUM or DATA_VALID), |
828 | * the implementation always passes an RxCompDesc with a "Checksum | |
829 | * calculated and found correct" to the OS (cnc=0 and tuc=1, see | |
830 | * vmxnet3_rx_update_descr). This emulates the observed ESXi behavior. | |
831 | * | |
832 | * Therefore, if packet has the NEEDS_CSUM set, we must calculate | |
833 | * and place a fully computed checksum into the tcp/udp header. | |
834 | * Otherwise, the OS driver will receive a checksum-correct indication | |
835 | * (CHECKSUM_UNNECESSARY), but with the actual tcp/udp checksum field | |
836 | * having just the pseudo header csum value. | |
837 | * | |
838 | * While this is not a problem if packet is destined for local delivery, | |
839 | * in the case the host OS performs forwarding, it will forward an | |
840 | * incorrectly checksummed packet. | |
841 | */ | |
605d52e6 | 842 | static void vmxnet3_rx_need_csum_calculate(struct NetRxPkt *pkt, |
80da311d DR |
843 | const void *pkt_data, |
844 | size_t pkt_len) | |
845 | { | |
846 | struct virtio_net_hdr *vhdr; | |
847 | bool isip4, isip6, istcp, isudp; | |
848 | uint8_t *data; | |
849 | int len; | |
850 | ||
605d52e6 | 851 | if (!net_rx_pkt_has_virt_hdr(pkt)) { |
80da311d DR |
852 | return; |
853 | } | |
854 | ||
605d52e6 | 855 | vhdr = net_rx_pkt_get_vhdr(pkt); |
80da311d DR |
856 | if (!VMXNET_FLAG_IS_SET(vhdr->flags, VIRTIO_NET_HDR_F_NEEDS_CSUM)) { |
857 | return; | |
858 | } | |
859 | ||
605d52e6 | 860 | net_rx_pkt_get_protocols(pkt, &isip4, &isip6, &isudp, &istcp); |
80da311d DR |
861 | if (!(isip4 || isip6) || !(istcp || isudp)) { |
862 | return; | |
863 | } | |
864 | ||
865 | vmxnet3_dump_virt_hdr(vhdr); | |
866 | ||
867 | /* Validate packet len: csum_start + scum_offset + length of csum field */ | |
868 | if (pkt_len < (vhdr->csum_start + vhdr->csum_offset + 2)) { | |
2e4ca7db | 869 | VMW_PKPRN("packet len:%zu < csum_start(%d) + csum_offset(%d) + 2, " |
80da311d | 870 | "cannot calculate checksum", |
b9f7c377 | 871 | pkt_len, vhdr->csum_start, vhdr->csum_offset); |
80da311d DR |
872 | return; |
873 | } | |
874 | ||
875 | data = (uint8_t *)pkt_data + vhdr->csum_start; | |
876 | len = pkt_len - vhdr->csum_start; | |
877 | /* Put the checksum obtained into the packet */ | |
0dacea92 ES |
878 | stw_be_p(data + vhdr->csum_offset, |
879 | net_checksum_finish_nozero(net_checksum_add(len, data))); | |
80da311d DR |
880 | |
881 | vhdr->flags &= ~VIRTIO_NET_HDR_F_NEEDS_CSUM; | |
882 | vhdr->flags |= VIRTIO_NET_HDR_F_DATA_VALID; | |
883 | } | |
884 | ||
605d52e6 | 885 | static void vmxnet3_rx_update_descr(struct NetRxPkt *pkt, |
786fd2b0 DF |
886 | struct Vmxnet3_RxCompDesc *rxcd) |
887 | { | |
888 | int csum_ok, is_gso; | |
889 | bool isip4, isip6, istcp, isudp; | |
890 | struct virtio_net_hdr *vhdr; | |
891 | uint8_t offload_type; | |
892 | ||
605d52e6 | 893 | if (net_rx_pkt_is_vlan_stripped(pkt)) { |
786fd2b0 | 894 | rxcd->ts = 1; |
605d52e6 | 895 | rxcd->tci = net_rx_pkt_get_vlan_tag(pkt); |
786fd2b0 DF |
896 | } |
897 | ||
605d52e6 | 898 | if (!net_rx_pkt_has_virt_hdr(pkt)) { |
786fd2b0 DF |
899 | goto nocsum; |
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 | ||
605d52e6 | 919 | net_rx_pkt_get_protocols(pkt, &isip4, &isip6, &isudp, &istcp); |
786fd2b0 DF |
920 | if ((!istcp && !isudp) || (!isip4 && !isip6)) { |
921 | goto nocsum; | |
922 | } | |
923 | ||
924 | rxcd->cnc = 0; | |
925 | rxcd->v4 = isip4 ? 1 : 0; | |
926 | rxcd->v6 = isip6 ? 1 : 0; | |
927 | rxcd->tcp = istcp ? 1 : 0; | |
928 | rxcd->udp = isudp ? 1 : 0; | |
929 | rxcd->fcs = rxcd->tuc = rxcd->ipc = 1; | |
930 | return; | |
931 | ||
932 | nocsum: | |
933 | rxcd->cnc = 1; | |
934 | return; | |
935 | } | |
936 | ||
937 | static void | |
11171010 DF |
938 | vmxnet3_pci_dma_writev(PCIDevice *pci_dev, |
939 | const struct iovec *iov, | |
940 | size_t start_iov_off, | |
941 | hwaddr target_addr, | |
942 | size_t bytes_to_copy) | |
786fd2b0 DF |
943 | { |
944 | size_t curr_off = 0; | |
945 | size_t copied = 0; | |
946 | ||
947 | while (bytes_to_copy) { | |
948 | if (start_iov_off < (curr_off + iov->iov_len)) { | |
949 | size_t chunk_len = | |
950 | MIN((curr_off + iov->iov_len) - start_iov_off, bytes_to_copy); | |
951 | ||
11171010 DF |
952 | pci_dma_write(pci_dev, target_addr + copied, |
953 | iov->iov_base + start_iov_off - curr_off, | |
954 | chunk_len); | |
786fd2b0 DF |
955 | |
956 | copied += chunk_len; | |
957 | start_iov_off += chunk_len; | |
958 | curr_off = start_iov_off; | |
959 | bytes_to_copy -= chunk_len; | |
960 | } else { | |
961 | curr_off += iov->iov_len; | |
962 | } | |
963 | iov++; | |
964 | } | |
965 | } | |
966 | ||
c527e0af TH |
967 | static void |
968 | vmxnet3_pci_dma_write_rxcd(PCIDevice *pcidev, dma_addr_t pa, | |
969 | struct Vmxnet3_RxCompDesc *rxcd) | |
970 | { | |
971 | rxcd->val1 = cpu_to_le32(rxcd->val1); | |
972 | rxcd->val2 = cpu_to_le32(rxcd->val2); | |
973 | rxcd->val3 = cpu_to_le32(rxcd->val3); | |
974 | pci_dma_write(pcidev, pa, rxcd, sizeof(*rxcd)); | |
975 | } | |
976 | ||
786fd2b0 DF |
977 | static bool |
978 | vmxnet3_indicate_packet(VMXNET3State *s) | |
979 | { | |
980 | struct Vmxnet3_RxDesc rxd; | |
c5082773 | 981 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
982 | bool is_head = true; |
983 | uint32_t rxd_idx; | |
c707582b | 984 | uint32_t rx_ridx = 0; |
786fd2b0 DF |
985 | |
986 | struct Vmxnet3_RxCompDesc rxcd; | |
987 | uint32_t new_rxcd_gen = VMXNET3_INIT_GEN; | |
988 | hwaddr new_rxcd_pa = 0; | |
989 | hwaddr ready_rxcd_pa = 0; | |
605d52e6 | 990 | struct iovec *data = net_rx_pkt_get_iovec(s->rx_pkt); |
786fd2b0 | 991 | size_t bytes_copied = 0; |
605d52e6 | 992 | size_t bytes_left = net_rx_pkt_get_total_len(s->rx_pkt); |
786fd2b0 DF |
993 | uint16_t num_frags = 0; |
994 | size_t chunk_size; | |
995 | ||
605d52e6 | 996 | net_rx_pkt_dump(s->rx_pkt); |
786fd2b0 DF |
997 | |
998 | while (bytes_left > 0) { | |
999 | ||
1000 | /* cannot add more frags to packet */ | |
1001 | if (num_frags == s->max_rx_frags) { | |
1002 | break; | |
1003 | } | |
1004 | ||
1005 | new_rxcd_pa = vmxnet3_pop_rxc_descr(s, RXQ_IDX, &new_rxcd_gen); | |
1006 | if (!new_rxcd_pa) { | |
1007 | break; | |
1008 | } | |
1009 | ||
1010 | if (!vmxnet3_get_next_rx_descr(s, is_head, &rxd, &rxd_idx, &rx_ridx)) { | |
1011 | break; | |
1012 | } | |
1013 | ||
1014 | chunk_size = MIN(bytes_left, rxd.len); | |
c527e0af | 1015 | vmxnet3_pci_dma_writev(d, data, bytes_copied, rxd.addr, chunk_size); |
786fd2b0 DF |
1016 | bytes_copied += chunk_size; |
1017 | bytes_left -= chunk_size; | |
1018 | ||
1019 | vmxnet3_dump_rx_descr(&rxd); | |
1020 | ||
f7472ca4 | 1021 | if (ready_rxcd_pa != 0) { |
c527e0af | 1022 | vmxnet3_pci_dma_write_rxcd(d, ready_rxcd_pa, &rxcd); |
786fd2b0 DF |
1023 | } |
1024 | ||
1025 | memset(&rxcd, 0, sizeof(struct Vmxnet3_RxCompDesc)); | |
1026 | rxcd.rxdIdx = rxd_idx; | |
1027 | rxcd.len = chunk_size; | |
1028 | rxcd.sop = is_head; | |
1029 | rxcd.gen = new_rxcd_gen; | |
1030 | rxcd.rqID = RXQ_IDX + rx_ridx * s->rxq_num; | |
1031 | ||
f7472ca4 | 1032 | if (bytes_left == 0) { |
786fd2b0 DF |
1033 | vmxnet3_rx_update_descr(s->rx_pkt, &rxcd); |
1034 | } | |
1035 | ||
1036 | VMW_RIPRN("RX Completion descriptor: rxRing: %lu rxIdx %lu len %lu " | |
1037 | "sop %d csum_correct %lu", | |
1038 | (unsigned long) rx_ridx, | |
1039 | (unsigned long) rxcd.rxdIdx, | |
1040 | (unsigned long) rxcd.len, | |
1041 | (int) rxcd.sop, | |
1042 | (unsigned long) rxcd.tuc); | |
1043 | ||
1044 | is_head = false; | |
1045 | ready_rxcd_pa = new_rxcd_pa; | |
1046 | new_rxcd_pa = 0; | |
3e948fd3 | 1047 | num_frags++; |
786fd2b0 DF |
1048 | } |
1049 | ||
f7472ca4 | 1050 | if (ready_rxcd_pa != 0) { |
786fd2b0 | 1051 | rxcd.eop = 1; |
f7472ca4 | 1052 | rxcd.err = (bytes_left != 0); |
11171010 | 1053 | |
c527e0af | 1054 | vmxnet3_pci_dma_write_rxcd(d, ready_rxcd_pa, &rxcd); |
786fd2b0 DF |
1055 | |
1056 | /* Flush RX descriptor changes */ | |
1057 | smp_wmb(); | |
1058 | } | |
1059 | ||
f7472ca4 | 1060 | if (new_rxcd_pa != 0) { |
786fd2b0 DF |
1061 | vmxnet3_revert_rxc_descr(s, RXQ_IDX); |
1062 | } | |
1063 | ||
1064 | vmxnet3_trigger_interrupt(s, s->rxq_descr[RXQ_IDX].intr_idx); | |
1065 | ||
1066 | if (bytes_left == 0) { | |
1067 | vmxnet3_on_rx_done_update_stats(s, RXQ_IDX, VMXNET3_PKT_STATUS_OK); | |
1068 | return true; | |
1069 | } else if (num_frags == s->max_rx_frags) { | |
1070 | vmxnet3_on_rx_done_update_stats(s, RXQ_IDX, VMXNET3_PKT_STATUS_ERROR); | |
1071 | return false; | |
1072 | } else { | |
1073 | vmxnet3_on_rx_done_update_stats(s, RXQ_IDX, | |
1074 | VMXNET3_PKT_STATUS_OUT_OF_BUF); | |
1075 | return false; | |
1076 | } | |
1077 | } | |
1078 | ||
1079 | static void | |
1080 | vmxnet3_io_bar0_write(void *opaque, hwaddr addr, | |
1081 | uint64_t val, unsigned size) | |
1082 | { | |
1083 | VMXNET3State *s = opaque; | |
1084 | ||
6c352ca9 LQ |
1085 | if (!s->device_active) { |
1086 | return; | |
1087 | } | |
1088 | ||
786fd2b0 DF |
1089 | if (VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_TXPROD, |
1090 | VMXNET3_DEVICE_MAX_TX_QUEUES, VMXNET3_REG_ALIGN)) { | |
1091 | int tx_queue_idx = | |
1092 | VMW_MULTIREG_IDX_BY_ADDR(addr, VMXNET3_REG_TXPROD, | |
1093 | VMXNET3_REG_ALIGN); | |
1094 | assert(tx_queue_idx <= s->txq_num); | |
1095 | vmxnet3_process_tx_queue(s, tx_queue_idx); | |
1096 | return; | |
1097 | } | |
1098 | ||
1099 | if (VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_IMR, | |
1100 | VMXNET3_MAX_INTRS, VMXNET3_REG_ALIGN)) { | |
1101 | int l = VMW_MULTIREG_IDX_BY_ADDR(addr, VMXNET3_REG_IMR, | |
1102 | VMXNET3_REG_ALIGN); | |
1103 | ||
1104 | VMW_CBPRN("Interrupt mask for line %d written: 0x%" PRIx64, l, val); | |
1105 | ||
1106 | vmxnet3_on_interrupt_mask_changed(s, l, val); | |
1107 | return; | |
1108 | } | |
1109 | ||
1110 | if (VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_RXPROD, | |
1111 | VMXNET3_DEVICE_MAX_RX_QUEUES, VMXNET3_REG_ALIGN) || | |
1112 | VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_RXPROD2, | |
1113 | VMXNET3_DEVICE_MAX_RX_QUEUES, VMXNET3_REG_ALIGN)) { | |
1114 | return; | |
1115 | } | |
1116 | ||
1117 | VMW_WRPRN("BAR0 unknown write [%" PRIx64 "] = %" PRIx64 ", size %d", | |
1118 | (uint64_t) addr, val, size); | |
1119 | } | |
1120 | ||
1121 | static uint64_t | |
1122 | vmxnet3_io_bar0_read(void *opaque, hwaddr addr, unsigned size) | |
1123 | { | |
c6048f84 SL |
1124 | VMXNET3State *s = opaque; |
1125 | ||
786fd2b0 DF |
1126 | if (VMW_IS_MULTIREG_ADDR(addr, VMXNET3_REG_IMR, |
1127 | VMXNET3_MAX_INTRS, VMXNET3_REG_ALIGN)) { | |
c6048f84 SL |
1128 | int l = VMW_MULTIREG_IDX_BY_ADDR(addr, VMXNET3_REG_IMR, |
1129 | VMXNET3_REG_ALIGN); | |
1130 | return s->interrupt_states[l].is_masked; | |
786fd2b0 DF |
1131 | } |
1132 | ||
1133 | VMW_CBPRN("BAR0 unknown read [%" PRIx64 "], size %d", addr, size); | |
1134 | return 0; | |
1135 | } | |
1136 | ||
1137 | static void vmxnet3_reset_interrupt_states(VMXNET3State *s) | |
1138 | { | |
1139 | int i; | |
1140 | for (i = 0; i < ARRAY_SIZE(s->interrupt_states); i++) { | |
1141 | s->interrupt_states[i].is_asserted = false; | |
1142 | s->interrupt_states[i].is_pending = false; | |
1143 | s->interrupt_states[i].is_masked = true; | |
1144 | } | |
1145 | } | |
1146 | ||
1147 | static void vmxnet3_reset_mac(VMXNET3State *s) | |
1148 | { | |
1149 | memcpy(&s->conf.macaddr.a, &s->perm_mac.a, sizeof(s->perm_mac.a)); | |
ab647872 | 1150 | VMW_CFPRN("MAC address set to: " MAC_FMT, MAC_ARG(s->conf.macaddr.a)); |
786fd2b0 DF |
1151 | } |
1152 | ||
1153 | static void vmxnet3_deactivate_device(VMXNET3State *s) | |
1154 | { | |
aa4a3dce PP |
1155 | if (s->device_active) { |
1156 | VMW_CBPRN("Deactivating vmxnet3..."); | |
605d52e6 DF |
1157 | net_tx_pkt_reset(s->tx_pkt); |
1158 | net_tx_pkt_uninit(s->tx_pkt); | |
1159 | net_rx_pkt_uninit(s->rx_pkt); | |
aa4a3dce PP |
1160 | s->device_active = false; |
1161 | } | |
786fd2b0 DF |
1162 | } |
1163 | ||
1164 | static void vmxnet3_reset(VMXNET3State *s) | |
1165 | { | |
1166 | VMW_CBPRN("Resetting vmxnet3..."); | |
1167 | ||
1168 | vmxnet3_deactivate_device(s); | |
1169 | vmxnet3_reset_interrupt_states(s); | |
786fd2b0 DF |
1170 | s->drv_shmem = 0; |
1171 | s->tx_sop = true; | |
1172 | s->skip_current_tx_pkt = false; | |
1173 | } | |
1174 | ||
1175 | static void vmxnet3_update_rx_mode(VMXNET3State *s) | |
1176 | { | |
c5082773 KA |
1177 | PCIDevice *d = PCI_DEVICE(s); |
1178 | ||
1179 | s->rx_mode = VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, | |
786fd2b0 DF |
1180 | devRead.rxFilterConf.rxMode); |
1181 | VMW_CFPRN("RX mode: 0x%08X", s->rx_mode); | |
1182 | } | |
1183 | ||
1184 | static void vmxnet3_update_vlan_filters(VMXNET3State *s) | |
1185 | { | |
1186 | int i; | |
c5082773 | 1187 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
1188 | |
1189 | /* Copy configuration from shared memory */ | |
c5082773 | 1190 | VMXNET3_READ_DRV_SHARED(d, s->drv_shmem, |
786fd2b0 DF |
1191 | devRead.rxFilterConf.vfTable, |
1192 | s->vlan_table, | |
1193 | sizeof(s->vlan_table)); | |
1194 | ||
1195 | /* Invert byte order when needed */ | |
1196 | for (i = 0; i < ARRAY_SIZE(s->vlan_table); i++) { | |
1197 | s->vlan_table[i] = le32_to_cpu(s->vlan_table[i]); | |
1198 | } | |
1199 | ||
1200 | /* Dump configuration for debugging purposes */ | |
1201 | VMW_CFPRN("Configured VLANs:"); | |
1202 | for (i = 0; i < sizeof(s->vlan_table) * 8; i++) { | |
1203 | if (VMXNET3_VFTABLE_ENTRY_IS_SET(s->vlan_table, i)) { | |
1204 | VMW_CFPRN("\tVLAN %d is present", i); | |
1205 | } | |
1206 | } | |
1207 | } | |
1208 | ||
1209 | static void vmxnet3_update_mcast_filters(VMXNET3State *s) | |
1210 | { | |
c5082773 KA |
1211 | PCIDevice *d = PCI_DEVICE(s); |
1212 | ||
786fd2b0 | 1213 | uint16_t list_bytes = |
c5082773 | 1214 | VMXNET3_READ_DRV_SHARED16(d, s->drv_shmem, |
786fd2b0 DF |
1215 | devRead.rxFilterConf.mfTableLen); |
1216 | ||
1217 | s->mcast_list_len = list_bytes / sizeof(s->mcast_list[0]); | |
1218 | ||
1219 | s->mcast_list = g_realloc(s->mcast_list, list_bytes); | |
f7472ca4 GA |
1220 | if (!s->mcast_list) { |
1221 | if (s->mcast_list_len == 0) { | |
786fd2b0 DF |
1222 | VMW_CFPRN("Current multicast list is empty"); |
1223 | } else { | |
1224 | VMW_ERPRN("Failed to allocate multicast list of %d elements", | |
1225 | s->mcast_list_len); | |
1226 | } | |
1227 | s->mcast_list_len = 0; | |
1228 | } else { | |
1229 | int i; | |
1230 | hwaddr mcast_list_pa = | |
c5082773 | 1231 | VMXNET3_READ_DRV_SHARED64(d, s->drv_shmem, |
786fd2b0 DF |
1232 | devRead.rxFilterConf.mfTablePA); |
1233 | ||
c5082773 | 1234 | pci_dma_read(d, mcast_list_pa, s->mcast_list, list_bytes); |
11171010 | 1235 | |
786fd2b0 DF |
1236 | VMW_CFPRN("Current multicast list len is %d:", s->mcast_list_len); |
1237 | for (i = 0; i < s->mcast_list_len; i++) { | |
ab647872 | 1238 | VMW_CFPRN("\t" MAC_FMT, MAC_ARG(s->mcast_list[i].a)); |
786fd2b0 DF |
1239 | } |
1240 | } | |
1241 | } | |
1242 | ||
1243 | static void vmxnet3_setup_rx_filtering(VMXNET3State *s) | |
1244 | { | |
1245 | vmxnet3_update_rx_mode(s); | |
1246 | vmxnet3_update_vlan_filters(s); | |
1247 | vmxnet3_update_mcast_filters(s); | |
1248 | } | |
1249 | ||
1250 | static uint32_t vmxnet3_get_interrupt_config(VMXNET3State *s) | |
1251 | { | |
1252 | uint32_t interrupt_mode = VMXNET3_IT_AUTO | (VMXNET3_IMM_AUTO << 2); | |
1253 | VMW_CFPRN("Interrupt config is 0x%X", interrupt_mode); | |
1254 | return interrupt_mode; | |
1255 | } | |
1256 | ||
1257 | static void vmxnet3_fill_stats(VMXNET3State *s) | |
1258 | { | |
1259 | int i; | |
c5082773 | 1260 | PCIDevice *d = PCI_DEVICE(s); |
eedeeeff SL |
1261 | |
1262 | if (!s->device_active) | |
1263 | return; | |
1264 | ||
786fd2b0 | 1265 | for (i = 0; i < s->txq_num; i++) { |
c5082773 | 1266 | pci_dma_write(d, |
11171010 DF |
1267 | s->txq_descr[i].tx_stats_pa, |
1268 | &s->txq_descr[i].txq_stats, | |
1269 | sizeof(s->txq_descr[i].txq_stats)); | |
786fd2b0 DF |
1270 | } |
1271 | ||
1272 | for (i = 0; i < s->rxq_num; i++) { | |
c5082773 | 1273 | pci_dma_write(d, |
11171010 DF |
1274 | s->rxq_descr[i].rx_stats_pa, |
1275 | &s->rxq_descr[i].rxq_stats, | |
1276 | sizeof(s->rxq_descr[i].rxq_stats)); | |
786fd2b0 DF |
1277 | } |
1278 | } | |
1279 | ||
1280 | static void vmxnet3_adjust_by_guest_type(VMXNET3State *s) | |
1281 | { | |
1282 | struct Vmxnet3_GOSInfo gos; | |
c5082773 | 1283 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 | 1284 | |
c5082773 | 1285 | VMXNET3_READ_DRV_SHARED(d, s->drv_shmem, devRead.misc.driverInfo.gos, |
786fd2b0 DF |
1286 | &gos, sizeof(gos)); |
1287 | s->rx_packets_compound = | |
1288 | (gos.gosType == VMXNET3_GOS_TYPE_WIN) ? false : true; | |
1289 | ||
1290 | VMW_CFPRN("Guest type specifics: RXCOMPOUND: %d", s->rx_packets_compound); | |
1291 | } | |
1292 | ||
1293 | static void | |
1294 | vmxnet3_dump_conf_descr(const char *name, | |
1295 | struct Vmxnet3_VariableLenConfDesc *pm_descr) | |
1296 | { | |
1297 | VMW_CFPRN("%s descriptor dump: Version %u, Length %u", | |
1298 | name, pm_descr->confVer, pm_descr->confLen); | |
1299 | ||
1300 | }; | |
1301 | ||
1302 | static void vmxnet3_update_pm_state(VMXNET3State *s) | |
1303 | { | |
1304 | struct Vmxnet3_VariableLenConfDesc pm_descr; | |
c5082773 | 1305 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
1306 | |
1307 | pm_descr.confLen = | |
c5082773 | 1308 | VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, devRead.pmConfDesc.confLen); |
786fd2b0 | 1309 | pm_descr.confVer = |
c5082773 | 1310 | VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, devRead.pmConfDesc.confVer); |
786fd2b0 | 1311 | pm_descr.confPA = |
c5082773 | 1312 | VMXNET3_READ_DRV_SHARED64(d, s->drv_shmem, devRead.pmConfDesc.confPA); |
786fd2b0 DF |
1313 | |
1314 | vmxnet3_dump_conf_descr("PM State", &pm_descr); | |
1315 | } | |
1316 | ||
1317 | static void vmxnet3_update_features(VMXNET3State *s) | |
1318 | { | |
1319 | uint32_t guest_features; | |
1320 | int rxcso_supported; | |
c5082773 | 1321 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 | 1322 | |
c5082773 | 1323 | guest_features = VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, |
786fd2b0 DF |
1324 | devRead.misc.uptFeatures); |
1325 | ||
1326 | rxcso_supported = VMXNET_FLAG_IS_SET(guest_features, UPT1_F_RXCSUM); | |
1327 | s->rx_vlan_stripping = VMXNET_FLAG_IS_SET(guest_features, UPT1_F_RXVLAN); | |
1328 | s->lro_supported = VMXNET_FLAG_IS_SET(guest_features, UPT1_F_LRO); | |
1329 | ||
1330 | VMW_CFPRN("Features configuration: LRO: %d, RXCSUM: %d, VLANSTRIP: %d", | |
1331 | s->lro_supported, rxcso_supported, | |
1332 | s->rx_vlan_stripping); | |
1333 | if (s->peer_has_vhdr) { | |
d6085e3a SH |
1334 | qemu_set_offload(qemu_get_queue(s->nic)->peer, |
1335 | rxcso_supported, | |
1336 | s->lro_supported, | |
1337 | s->lro_supported, | |
1338 | 0, | |
1339 | 0); | |
786fd2b0 DF |
1340 | } |
1341 | } | |
1342 | ||
4c89e3e5 MA |
1343 | static bool vmxnet3_verify_intx(VMXNET3State *s, int intx) |
1344 | { | |
1070048e C |
1345 | return s->msix_used || msi_enabled(PCI_DEVICE(s)) |
1346 | || intx == pci_get_byte(s->parent_obj.config + PCI_INTERRUPT_PIN) - 1; | |
4c89e3e5 MA |
1347 | } |
1348 | ||
8c6c0478 DF |
1349 | static void vmxnet3_validate_interrupt_idx(bool is_msix, int idx) |
1350 | { | |
1351 | int max_ints = is_msix ? VMXNET3_MAX_INTRS : VMXNET3_MAX_NMSIX_INTRS; | |
1352 | if (idx >= max_ints) { | |
1353 | hw_error("Bad interrupt index: %d\n", idx); | |
1354 | } | |
1355 | } | |
1356 | ||
1357 | static void vmxnet3_validate_interrupts(VMXNET3State *s) | |
1358 | { | |
1359 | int i; | |
1360 | ||
1361 | VMW_CFPRN("Verifying event interrupt index (%d)", s->event_int_idx); | |
1362 | vmxnet3_validate_interrupt_idx(s->msix_used, s->event_int_idx); | |
1363 | ||
1364 | for (i = 0; i < s->txq_num; i++) { | |
1365 | int idx = s->txq_descr[i].intr_idx; | |
1366 | VMW_CFPRN("Verifying TX queue %d interrupt index (%d)", i, idx); | |
1367 | vmxnet3_validate_interrupt_idx(s->msix_used, idx); | |
1368 | } | |
1369 | ||
1370 | for (i = 0; i < s->rxq_num; i++) { | |
1371 | int idx = s->rxq_descr[i].intr_idx; | |
1372 | VMW_CFPRN("Verifying RX queue %d interrupt index (%d)", i, idx); | |
1373 | vmxnet3_validate_interrupt_idx(s->msix_used, idx); | |
1374 | } | |
1375 | } | |
1376 | ||
9878d173 DF |
1377 | static void vmxnet3_validate_queues(VMXNET3State *s) |
1378 | { | |
1379 | /* | |
1380 | * txq_num and rxq_num are total number of queues | |
1381 | * configured by guest. These numbers must not | |
1382 | * exceed corresponding maximal values. | |
1383 | */ | |
1384 | ||
1385 | if (s->txq_num > VMXNET3_DEVICE_MAX_TX_QUEUES) { | |
1386 | hw_error("Bad TX queues number: %d\n", s->txq_num); | |
1387 | } | |
1388 | ||
1389 | if (s->rxq_num > VMXNET3_DEVICE_MAX_RX_QUEUES) { | |
1390 | hw_error("Bad RX queues number: %d\n", s->rxq_num); | |
1391 | } | |
1392 | } | |
1393 | ||
786fd2b0 DF |
1394 | static void vmxnet3_activate_device(VMXNET3State *s) |
1395 | { | |
1396 | int i; | |
1397 | static const uint32_t VMXNET3_DEF_TX_THRESHOLD = 1; | |
c5082773 | 1398 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
1399 | hwaddr qdescr_table_pa; |
1400 | uint64_t pa; | |
1401 | uint32_t size; | |
1402 | ||
1403 | /* Verify configuration consistency */ | |
c5082773 | 1404 | if (!vmxnet3_verify_driver_magic(d, s->drv_shmem)) { |
786fd2b0 DF |
1405 | VMW_ERPRN("Device configuration received from driver is invalid"); |
1406 | return; | |
1407 | } | |
1408 | ||
aa4a3dce PP |
1409 | /* Verify if device is active */ |
1410 | if (s->device_active) { | |
1411 | VMW_CFPRN("Vmxnet3 device is active"); | |
1412 | return; | |
1413 | } | |
1414 | ||
786fd2b0 DF |
1415 | vmxnet3_adjust_by_guest_type(s); |
1416 | vmxnet3_update_features(s); | |
1417 | vmxnet3_update_pm_state(s); | |
1418 | vmxnet3_setup_rx_filtering(s); | |
1419 | /* Cache fields from shared memory */ | |
c5082773 | 1420 | s->mtu = VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, devRead.misc.mtu); |
786fd2b0 DF |
1421 | VMW_CFPRN("MTU is %u", s->mtu); |
1422 | ||
1423 | s->max_rx_frags = | |
c5082773 | 1424 | VMXNET3_READ_DRV_SHARED16(d, s->drv_shmem, devRead.misc.maxNumRxSG); |
786fd2b0 | 1425 | |
3e948fd3 DF |
1426 | if (s->max_rx_frags == 0) { |
1427 | s->max_rx_frags = 1; | |
1428 | } | |
1429 | ||
786fd2b0 DF |
1430 | VMW_CFPRN("Max RX fragments is %u", s->max_rx_frags); |
1431 | ||
1432 | s->event_int_idx = | |
c5082773 | 1433 | VMXNET3_READ_DRV_SHARED8(d, s->drv_shmem, devRead.intrConf.eventIntrIdx); |
4c89e3e5 | 1434 | assert(vmxnet3_verify_intx(s, s->event_int_idx)); |
786fd2b0 DF |
1435 | VMW_CFPRN("Events interrupt line is %u", s->event_int_idx); |
1436 | ||
1437 | s->auto_int_masking = | |
c5082773 | 1438 | VMXNET3_READ_DRV_SHARED8(d, s->drv_shmem, devRead.intrConf.autoMask); |
786fd2b0 DF |
1439 | VMW_CFPRN("Automatic interrupt masking is %d", (int)s->auto_int_masking); |
1440 | ||
1441 | s->txq_num = | |
c5082773 | 1442 | VMXNET3_READ_DRV_SHARED8(d, s->drv_shmem, devRead.misc.numTxQueues); |
786fd2b0 | 1443 | s->rxq_num = |
c5082773 | 1444 | VMXNET3_READ_DRV_SHARED8(d, s->drv_shmem, devRead.misc.numRxQueues); |
786fd2b0 DF |
1445 | |
1446 | VMW_CFPRN("Number of TX/RX queues %u/%u", s->txq_num, s->rxq_num); | |
9878d173 | 1447 | vmxnet3_validate_queues(s); |
786fd2b0 DF |
1448 | |
1449 | qdescr_table_pa = | |
c5082773 | 1450 | VMXNET3_READ_DRV_SHARED64(d, s->drv_shmem, devRead.misc.queueDescPA); |
786fd2b0 DF |
1451 | VMW_CFPRN("TX queues descriptors table is at 0x%" PRIx64, qdescr_table_pa); |
1452 | ||
1453 | /* | |
1454 | * Worst-case scenario is a packet that holds all TX rings space so | |
1455 | * we calculate total size of all TX rings for max TX fragments number | |
1456 | */ | |
1457 | s->max_tx_frags = 0; | |
1458 | ||
1459 | /* TX queues */ | |
1460 | for (i = 0; i < s->txq_num; i++) { | |
1461 | hwaddr qdescr_pa = | |
1462 | qdescr_table_pa + i * sizeof(struct Vmxnet3_TxQueueDesc); | |
1463 | ||
1464 | /* Read interrupt number for this TX queue */ | |
1465 | s->txq_descr[i].intr_idx = | |
c5082773 | 1466 | VMXNET3_READ_TX_QUEUE_DESCR8(d, qdescr_pa, conf.intrIdx); |
4c89e3e5 | 1467 | assert(vmxnet3_verify_intx(s, s->txq_descr[i].intr_idx)); |
786fd2b0 DF |
1468 | |
1469 | VMW_CFPRN("TX Queue %d interrupt: %d", i, s->txq_descr[i].intr_idx); | |
1470 | ||
1471 | /* Read rings memory locations for TX queues */ | |
c5082773 KA |
1472 | pa = VMXNET3_READ_TX_QUEUE_DESCR64(d, qdescr_pa, conf.txRingBasePA); |
1473 | size = VMXNET3_READ_TX_QUEUE_DESCR32(d, qdescr_pa, conf.txRingSize); | |
786fd2b0 | 1474 | |
c5082773 | 1475 | vmxnet3_ring_init(d, &s->txq_descr[i].tx_ring, pa, size, |
786fd2b0 DF |
1476 | sizeof(struct Vmxnet3_TxDesc), false); |
1477 | VMXNET3_RING_DUMP(VMW_CFPRN, "TX", i, &s->txq_descr[i].tx_ring); | |
1478 | ||
1479 | s->max_tx_frags += size; | |
1480 | ||
1481 | /* TXC ring */ | |
c5082773 KA |
1482 | pa = VMXNET3_READ_TX_QUEUE_DESCR64(d, qdescr_pa, conf.compRingBasePA); |
1483 | size = VMXNET3_READ_TX_QUEUE_DESCR32(d, qdescr_pa, conf.compRingSize); | |
1484 | vmxnet3_ring_init(d, &s->txq_descr[i].comp_ring, pa, size, | |
786fd2b0 DF |
1485 | sizeof(struct Vmxnet3_TxCompDesc), true); |
1486 | VMXNET3_RING_DUMP(VMW_CFPRN, "TXC", i, &s->txq_descr[i].comp_ring); | |
1487 | ||
1488 | s->txq_descr[i].tx_stats_pa = | |
1489 | qdescr_pa + offsetof(struct Vmxnet3_TxQueueDesc, stats); | |
1490 | ||
1491 | memset(&s->txq_descr[i].txq_stats, 0, | |
1492 | sizeof(s->txq_descr[i].txq_stats)); | |
1493 | ||
1494 | /* Fill device-managed parameters for queues */ | |
c5082773 | 1495 | VMXNET3_WRITE_TX_QUEUE_DESCR32(d, qdescr_pa, |
786fd2b0 DF |
1496 | ctrl.txThreshold, |
1497 | VMXNET3_DEF_TX_THRESHOLD); | |
1498 | } | |
1499 | ||
1500 | /* Preallocate TX packet wrapper */ | |
1501 | VMW_CFPRN("Max TX fragments is %u", s->max_tx_frags); | |
11171010 DF |
1502 | net_tx_pkt_init(&s->tx_pkt, PCI_DEVICE(s), |
1503 | s->max_tx_frags, s->peer_has_vhdr); | |
605d52e6 | 1504 | net_rx_pkt_init(&s->rx_pkt, s->peer_has_vhdr); |
786fd2b0 DF |
1505 | |
1506 | /* Read rings memory locations for RX queues */ | |
1507 | for (i = 0; i < s->rxq_num; i++) { | |
1508 | int j; | |
1509 | hwaddr qd_pa = | |
1510 | qdescr_table_pa + s->txq_num * sizeof(struct Vmxnet3_TxQueueDesc) + | |
1511 | i * sizeof(struct Vmxnet3_RxQueueDesc); | |
1512 | ||
1513 | /* Read interrupt number for this RX queue */ | |
1514 | s->rxq_descr[i].intr_idx = | |
c5082773 | 1515 | VMXNET3_READ_TX_QUEUE_DESCR8(d, qd_pa, conf.intrIdx); |
4c89e3e5 | 1516 | assert(vmxnet3_verify_intx(s, s->rxq_descr[i].intr_idx)); |
786fd2b0 DF |
1517 | |
1518 | VMW_CFPRN("RX Queue %d interrupt: %d", i, s->rxq_descr[i].intr_idx); | |
1519 | ||
1520 | /* Read rings memory locations */ | |
1521 | for (j = 0; j < VMXNET3_RX_RINGS_PER_QUEUE; j++) { | |
1522 | /* RX rings */ | |
c5082773 KA |
1523 | pa = VMXNET3_READ_RX_QUEUE_DESCR64(d, qd_pa, conf.rxRingBasePA[j]); |
1524 | size = VMXNET3_READ_RX_QUEUE_DESCR32(d, qd_pa, conf.rxRingSize[j]); | |
1525 | vmxnet3_ring_init(d, &s->rxq_descr[i].rx_ring[j], pa, size, | |
786fd2b0 DF |
1526 | sizeof(struct Vmxnet3_RxDesc), false); |
1527 | VMW_CFPRN("RX queue %d:%d: Base: %" PRIx64 ", Size: %d", | |
1528 | i, j, pa, size); | |
1529 | } | |
1530 | ||
1531 | /* RXC ring */ | |
c5082773 KA |
1532 | pa = VMXNET3_READ_RX_QUEUE_DESCR64(d, qd_pa, conf.compRingBasePA); |
1533 | size = VMXNET3_READ_RX_QUEUE_DESCR32(d, qd_pa, conf.compRingSize); | |
1534 | vmxnet3_ring_init(d, &s->rxq_descr[i].comp_ring, pa, size, | |
786fd2b0 DF |
1535 | sizeof(struct Vmxnet3_RxCompDesc), true); |
1536 | VMW_CFPRN("RXC queue %d: Base: %" PRIx64 ", Size: %d", i, pa, size); | |
1537 | ||
1538 | s->rxq_descr[i].rx_stats_pa = | |
1539 | qd_pa + offsetof(struct Vmxnet3_RxQueueDesc, stats); | |
1540 | memset(&s->rxq_descr[i].rxq_stats, 0, | |
1541 | sizeof(s->rxq_descr[i].rxq_stats)); | |
1542 | } | |
1543 | ||
8c6c0478 DF |
1544 | vmxnet3_validate_interrupts(s); |
1545 | ||
786fd2b0 DF |
1546 | /* Make sure everything is in place before device activation */ |
1547 | smp_wmb(); | |
1548 | ||
1549 | vmxnet3_reset_mac(s); | |
1550 | ||
1551 | s->device_active = true; | |
1552 | } | |
1553 | ||
1554 | static void vmxnet3_handle_command(VMXNET3State *s, uint64_t cmd) | |
1555 | { | |
1556 | s->last_command = cmd; | |
1557 | ||
1558 | switch (cmd) { | |
1559 | case VMXNET3_CMD_GET_PERM_MAC_HI: | |
1560 | VMW_CBPRN("Set: Get upper part of permanent MAC"); | |
1561 | break; | |
1562 | ||
1563 | case VMXNET3_CMD_GET_PERM_MAC_LO: | |
1564 | VMW_CBPRN("Set: Get lower part of permanent MAC"); | |
1565 | break; | |
1566 | ||
1567 | case VMXNET3_CMD_GET_STATS: | |
1568 | VMW_CBPRN("Set: Get device statistics"); | |
1569 | vmxnet3_fill_stats(s); | |
1570 | break; | |
1571 | ||
1572 | case VMXNET3_CMD_ACTIVATE_DEV: | |
1573 | VMW_CBPRN("Set: Activating vmxnet3 device"); | |
1574 | vmxnet3_activate_device(s); | |
1575 | break; | |
1576 | ||
1577 | case VMXNET3_CMD_UPDATE_RX_MODE: | |
1578 | VMW_CBPRN("Set: Update rx mode"); | |
1579 | vmxnet3_update_rx_mode(s); | |
1580 | break; | |
1581 | ||
1582 | case VMXNET3_CMD_UPDATE_VLAN_FILTERS: | |
1583 | VMW_CBPRN("Set: Update VLAN filters"); | |
1584 | vmxnet3_update_vlan_filters(s); | |
1585 | break; | |
1586 | ||
1587 | case VMXNET3_CMD_UPDATE_MAC_FILTERS: | |
1588 | VMW_CBPRN("Set: Update MAC filters"); | |
1589 | vmxnet3_update_mcast_filters(s); | |
1590 | break; | |
1591 | ||
1592 | case VMXNET3_CMD_UPDATE_FEATURE: | |
1593 | VMW_CBPRN("Set: Update features"); | |
1594 | vmxnet3_update_features(s); | |
1595 | break; | |
1596 | ||
1597 | case VMXNET3_CMD_UPDATE_PMCFG: | |
1598 | VMW_CBPRN("Set: Update power management config"); | |
1599 | vmxnet3_update_pm_state(s); | |
1600 | break; | |
1601 | ||
1602 | case VMXNET3_CMD_GET_LINK: | |
1603 | VMW_CBPRN("Set: Get link"); | |
1604 | break; | |
1605 | ||
1606 | case VMXNET3_CMD_RESET_DEV: | |
1607 | VMW_CBPRN("Set: Reset device"); | |
1608 | vmxnet3_reset(s); | |
1609 | break; | |
1610 | ||
1611 | case VMXNET3_CMD_QUIESCE_DEV: | |
aa4a3dce | 1612 | VMW_CBPRN("Set: VMXNET3_CMD_QUIESCE_DEV - deactivate the device"); |
786fd2b0 DF |
1613 | vmxnet3_deactivate_device(s); |
1614 | break; | |
1615 | ||
1616 | case VMXNET3_CMD_GET_CONF_INTR: | |
1617 | VMW_CBPRN("Set: VMXNET3_CMD_GET_CONF_INTR - interrupt configuration"); | |
1618 | break; | |
1619 | ||
d62241eb SL |
1620 | case VMXNET3_CMD_GET_ADAPTIVE_RING_INFO: |
1621 | VMW_CBPRN("Set: VMXNET3_CMD_GET_ADAPTIVE_RING_INFO - " | |
1622 | "adaptive ring info flags"); | |
1623 | break; | |
1624 | ||
c469669e MY |
1625 | case VMXNET3_CMD_GET_DID_LO: |
1626 | VMW_CBPRN("Set: Get lower part of device ID"); | |
1627 | break; | |
1628 | ||
1629 | case VMXNET3_CMD_GET_DID_HI: | |
1630 | VMW_CBPRN("Set: Get upper part of device ID"); | |
1631 | break; | |
1632 | ||
5ae3e91c MY |
1633 | case VMXNET3_CMD_GET_DEV_EXTRA_INFO: |
1634 | VMW_CBPRN("Set: Get device extra info"); | |
1635 | break; | |
1636 | ||
786fd2b0 DF |
1637 | default: |
1638 | VMW_CBPRN("Received unknown command: %" PRIx64, cmd); | |
1639 | break; | |
1640 | } | |
1641 | } | |
1642 | ||
1643 | static uint64_t vmxnet3_get_command_status(VMXNET3State *s) | |
1644 | { | |
1645 | uint64_t ret; | |
1646 | ||
1647 | switch (s->last_command) { | |
1648 | case VMXNET3_CMD_ACTIVATE_DEV: | |
fde58177 | 1649 | ret = (s->device_active) ? 0 : 1; |
786fd2b0 DF |
1650 | VMW_CFPRN("Device active: %" PRIx64, ret); |
1651 | break; | |
1652 | ||
3e948fd3 DF |
1653 | case VMXNET3_CMD_RESET_DEV: |
1654 | case VMXNET3_CMD_QUIESCE_DEV: | |
1655 | case VMXNET3_CMD_GET_QUEUE_STATUS: | |
5ae3e91c | 1656 | case VMXNET3_CMD_GET_DEV_EXTRA_INFO: |
3e948fd3 DF |
1657 | ret = 0; |
1658 | break; | |
1659 | ||
786fd2b0 DF |
1660 | case VMXNET3_CMD_GET_LINK: |
1661 | ret = s->link_status_and_speed; | |
1662 | VMW_CFPRN("Link and speed: %" PRIx64, ret); | |
1663 | break; | |
1664 | ||
1665 | case VMXNET3_CMD_GET_PERM_MAC_LO: | |
1666 | ret = vmxnet3_get_mac_low(&s->perm_mac); | |
1667 | break; | |
1668 | ||
1669 | case VMXNET3_CMD_GET_PERM_MAC_HI: | |
1670 | ret = vmxnet3_get_mac_high(&s->perm_mac); | |
1671 | break; | |
1672 | ||
1673 | case VMXNET3_CMD_GET_CONF_INTR: | |
1674 | ret = vmxnet3_get_interrupt_config(s); | |
1675 | break; | |
1676 | ||
d62241eb SL |
1677 | case VMXNET3_CMD_GET_ADAPTIVE_RING_INFO: |
1678 | ret = VMXNET3_DISABLE_ADAPTIVE_RING; | |
1679 | break; | |
1680 | ||
c469669e MY |
1681 | case VMXNET3_CMD_GET_DID_LO: |
1682 | ret = PCI_DEVICE_ID_VMWARE_VMXNET3; | |
1683 | break; | |
1684 | ||
1685 | case VMXNET3_CMD_GET_DID_HI: | |
1686 | ret = VMXNET3_DEVICE_REVISION; | |
1687 | break; | |
1688 | ||
786fd2b0 DF |
1689 | default: |
1690 | VMW_WRPRN("Received request for unknown command: %x", s->last_command); | |
8856be15 | 1691 | ret = 0; |
786fd2b0 DF |
1692 | break; |
1693 | } | |
1694 | ||
1695 | return ret; | |
1696 | } | |
1697 | ||
1698 | static void vmxnet3_set_events(VMXNET3State *s, uint32_t val) | |
1699 | { | |
1700 | uint32_t events; | |
c5082773 | 1701 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
1702 | |
1703 | VMW_CBPRN("Setting events: 0x%x", val); | |
c5082773 KA |
1704 | events = VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, ecr) | val; |
1705 | VMXNET3_WRITE_DRV_SHARED32(d, s->drv_shmem, ecr, events); | |
786fd2b0 DF |
1706 | } |
1707 | ||
1708 | static void vmxnet3_ack_events(VMXNET3State *s, uint32_t val) | |
1709 | { | |
c5082773 | 1710 | PCIDevice *d = PCI_DEVICE(s); |
786fd2b0 DF |
1711 | uint32_t events; |
1712 | ||
1713 | VMW_CBPRN("Clearing events: 0x%x", val); | |
c5082773 KA |
1714 | events = VMXNET3_READ_DRV_SHARED32(d, s->drv_shmem, ecr) & ~val; |
1715 | VMXNET3_WRITE_DRV_SHARED32(d, s->drv_shmem, ecr, events); | |
786fd2b0 DF |
1716 | } |
1717 | ||
1718 | static void | |
1719 | vmxnet3_io_bar1_write(void *opaque, | |
1720 | hwaddr addr, | |
1721 | uint64_t val, | |
1722 | unsigned size) | |
1723 | { | |
1724 | VMXNET3State *s = opaque; | |
1725 | ||
1726 | switch (addr) { | |
1727 | /* Vmxnet3 Revision Report Selection */ | |
1728 | case VMXNET3_REG_VRRS: | |
1729 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_VRRS] = %" PRIx64 ", size %d", | |
1730 | val, size); | |
1731 | break; | |
1732 | ||
1733 | /* UPT Version Report Selection */ | |
1734 | case VMXNET3_REG_UVRS: | |
1735 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_UVRS] = %" PRIx64 ", size %d", | |
1736 | val, size); | |
1737 | break; | |
1738 | ||
1739 | /* Driver Shared Address Low */ | |
1740 | case VMXNET3_REG_DSAL: | |
1741 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_DSAL] = %" PRIx64 ", size %d", | |
1742 | val, size); | |
1743 | /* | |
1744 | * Guest driver will first write the low part of the shared | |
1745 | * memory address. We save it to temp variable and set the | |
1746 | * shared address only after we get the high part | |
1747 | */ | |
f7472ca4 | 1748 | if (val == 0) { |
aa4a3dce | 1749 | vmxnet3_deactivate_device(s); |
786fd2b0 DF |
1750 | } |
1751 | s->temp_shared_guest_driver_memory = val; | |
1752 | s->drv_shmem = 0; | |
1753 | break; | |
1754 | ||
1755 | /* Driver Shared Address High */ | |
1756 | case VMXNET3_REG_DSAH: | |
1757 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_DSAH] = %" PRIx64 ", size %d", | |
1758 | val, size); | |
1759 | /* | |
1760 | * Set the shared memory between guest driver and device. | |
1761 | * We already should have low address part. | |
1762 | */ | |
1763 | s->drv_shmem = s->temp_shared_guest_driver_memory | (val << 32); | |
1764 | break; | |
1765 | ||
1766 | /* Command */ | |
1767 | case VMXNET3_REG_CMD: | |
1768 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_CMD] = %" PRIx64 ", size %d", | |
1769 | val, size); | |
1770 | vmxnet3_handle_command(s, val); | |
1771 | break; | |
1772 | ||
1773 | /* MAC Address Low */ | |
1774 | case VMXNET3_REG_MACL: | |
1775 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_MACL] = %" PRIx64 ", size %d", | |
1776 | val, size); | |
1777 | s->temp_mac = val; | |
1778 | break; | |
1779 | ||
1780 | /* MAC Address High */ | |
1781 | case VMXNET3_REG_MACH: | |
1782 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_MACH] = %" PRIx64 ", size %d", | |
1783 | val, size); | |
1784 | vmxnet3_set_variable_mac(s, val, s->temp_mac); | |
1785 | break; | |
1786 | ||
1787 | /* Interrupt Cause Register */ | |
1788 | case VMXNET3_REG_ICR: | |
1789 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_ICR] = %" PRIx64 ", size %d", | |
1790 | val, size); | |
dfc6f865 | 1791 | g_assert_not_reached(); |
786fd2b0 DF |
1792 | break; |
1793 | ||
1794 | /* Event Cause Register */ | |
1795 | case VMXNET3_REG_ECR: | |
1796 | VMW_CBPRN("Write BAR1 [VMXNET3_REG_ECR] = %" PRIx64 ", size %d", | |
1797 | val, size); | |
1798 | vmxnet3_ack_events(s, val); | |
1799 | break; | |
1800 | ||
1801 | default: | |
1802 | VMW_CBPRN("Unknown Write to BAR1 [%" PRIx64 "] = %" PRIx64 ", size %d", | |
1803 | addr, val, size); | |
1804 | break; | |
1805 | } | |
1806 | } | |
1807 | ||
1808 | static uint64_t | |
1809 | vmxnet3_io_bar1_read(void *opaque, hwaddr addr, unsigned size) | |
1810 | { | |
1811 | VMXNET3State *s = opaque; | |
1812 | uint64_t ret = 0; | |
1813 | ||
1814 | switch (addr) { | |
1815 | /* Vmxnet3 Revision Report Selection */ | |
1816 | case VMXNET3_REG_VRRS: | |
1817 | VMW_CBPRN("Read BAR1 [VMXNET3_REG_VRRS], size %d", size); | |
1818 | ret = VMXNET3_DEVICE_REVISION; | |
1819 | break; | |
1820 | ||
1821 | /* UPT Version Report Selection */ | |
1822 | case VMXNET3_REG_UVRS: | |
1823 | VMW_CBPRN("Read BAR1 [VMXNET3_REG_UVRS], size %d", size); | |
c12d82ef | 1824 | ret = VMXNET3_UPT_REVISION; |
786fd2b0 DF |
1825 | break; |
1826 | ||
1827 | /* Command */ | |
1828 | case VMXNET3_REG_CMD: | |
1829 | VMW_CBPRN("Read BAR1 [VMXNET3_REG_CMD], size %d", size); | |
1830 | ret = vmxnet3_get_command_status(s); | |
1831 | break; | |
1832 | ||
1833 | /* MAC Address Low */ | |
1834 | case VMXNET3_REG_MACL: | |
1835 | VMW_CBPRN("Read BAR1 [VMXNET3_REG_MACL], size %d", size); | |
1836 | ret = vmxnet3_get_mac_low(&s->conf.macaddr); | |
1837 | break; | |
1838 | ||
1839 | /* MAC Address High */ | |
1840 | case VMXNET3_REG_MACH: | |
1841 | VMW_CBPRN("Read BAR1 [VMXNET3_REG_MACH], size %d", size); | |
1842 | ret = vmxnet3_get_mac_high(&s->conf.macaddr); | |
1843 | break; | |
1844 | ||
1845 | /* | |
1846 | * Interrupt Cause Register | |
1847 | * Used for legacy interrupts only so interrupt index always 0 | |
1848 | */ | |
1849 | case VMXNET3_REG_ICR: | |
1850 | VMW_CBPRN("Read BAR1 [VMXNET3_REG_ICR], size %d", size); | |
1851 | if (vmxnet3_interrupt_asserted(s, 0)) { | |
1852 | vmxnet3_clear_interrupt(s, 0); | |
1853 | ret = true; | |
1854 | } else { | |
1855 | ret = false; | |
1856 | } | |
1857 | break; | |
1858 | ||
1859 | default: | |
1860 | VMW_CBPRN("Unknow read BAR1[%" PRIx64 "], %d bytes", addr, size); | |
1861 | break; | |
1862 | } | |
1863 | ||
1864 | return ret; | |
1865 | } | |
1866 | ||
1867 | static int | |
1868 | vmxnet3_can_receive(NetClientState *nc) | |
1869 | { | |
1870 | VMXNET3State *s = qemu_get_nic_opaque(nc); | |
1871 | return s->device_active && | |
1872 | VMXNET_FLAG_IS_SET(s->link_status_and_speed, VMXNET3_LINK_STATUS_UP); | |
1873 | } | |
1874 | ||
1875 | static inline bool | |
1876 | vmxnet3_is_registered_vlan(VMXNET3State *s, const void *data) | |
1877 | { | |
1878 | uint16_t vlan_tag = eth_get_pkt_tci(data) & VLAN_VID_MASK; | |
1879 | if (IS_SPECIAL_VLAN_ID(vlan_tag)) { | |
1880 | return true; | |
1881 | } | |
1882 | ||
1883 | return VMXNET3_VFTABLE_ENTRY_IS_SET(s->vlan_table, vlan_tag); | |
1884 | } | |
1885 | ||
1886 | static bool | |
1887 | vmxnet3_is_allowed_mcast_group(VMXNET3State *s, const uint8_t *group_mac) | |
1888 | { | |
1889 | int i; | |
1890 | for (i = 0; i < s->mcast_list_len; i++) { | |
1891 | if (!memcmp(group_mac, s->mcast_list[i].a, sizeof(s->mcast_list[i]))) { | |
1892 | return true; | |
1893 | } | |
1894 | } | |
1895 | return false; | |
1896 | } | |
1897 | ||
1898 | static bool | |
1899 | vmxnet3_rx_filter_may_indicate(VMXNET3State *s, const void *data, | |
1900 | size_t size) | |
1901 | { | |
1902 | struct eth_header *ehdr = PKT_GET_ETH_HDR(data); | |
1903 | ||
1904 | if (VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_PROMISC)) { | |
1905 | return true; | |
1906 | } | |
1907 | ||
1908 | if (!vmxnet3_is_registered_vlan(s, data)) { | |
1909 | return false; | |
1910 | } | |
1911 | ||
605d52e6 | 1912 | switch (net_rx_pkt_get_packet_type(s->rx_pkt)) { |
786fd2b0 DF |
1913 | case ETH_PKT_UCAST: |
1914 | if (!VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_UCAST)) { | |
1915 | return false; | |
1916 | } | |
1917 | if (memcmp(s->conf.macaddr.a, ehdr->h_dest, ETH_ALEN)) { | |
1918 | return false; | |
1919 | } | |
1920 | break; | |
1921 | ||
1922 | case ETH_PKT_BCAST: | |
1923 | if (!VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_BCAST)) { | |
1924 | return false; | |
1925 | } | |
1926 | break; | |
1927 | ||
1928 | case ETH_PKT_MCAST: | |
1929 | if (VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_ALL_MULTI)) { | |
1930 | return true; | |
1931 | } | |
1932 | if (!VMXNET_FLAG_IS_SET(s->rx_mode, VMXNET3_RXM_MCAST)) { | |
1933 | return false; | |
1934 | } | |
1935 | if (!vmxnet3_is_allowed_mcast_group(s, ehdr->h_dest)) { | |
1936 | return false; | |
1937 | } | |
1938 | break; | |
1939 | ||
1940 | default: | |
dfc6f865 | 1941 | g_assert_not_reached(); |
786fd2b0 DF |
1942 | } |
1943 | ||
1944 | return true; | |
1945 | } | |
1946 | ||
1947 | static ssize_t | |
1948 | vmxnet3_receive(NetClientState *nc, const uint8_t *buf, size_t size) | |
1949 | { | |
1950 | VMXNET3State *s = qemu_get_nic_opaque(nc); | |
1951 | size_t bytes_indicated; | |
40a87c6c | 1952 | uint8_t min_buf[MIN_BUF_SIZE]; |
786fd2b0 DF |
1953 | |
1954 | if (!vmxnet3_can_receive(nc)) { | |
1955 | VMW_PKPRN("Cannot receive now"); | |
1956 | return -1; | |
1957 | } | |
1958 | ||
b83b5f2e | 1959 | if (s->peer_has_vhdr) { |
605d52e6 | 1960 | net_rx_pkt_set_vhdr(s->rx_pkt, (struct virtio_net_hdr *)buf); |
b83b5f2e BK |
1961 | buf += sizeof(struct virtio_net_hdr); |
1962 | size -= sizeof(struct virtio_net_hdr); | |
1963 | } | |
1964 | ||
40a87c6c BD |
1965 | /* Pad to minimum Ethernet frame length */ |
1966 | if (size < sizeof(min_buf)) { | |
1967 | memcpy(min_buf, buf, size); | |
1968 | memset(&min_buf[size], 0, sizeof(min_buf) - size); | |
1969 | buf = min_buf; | |
1970 | size = sizeof(min_buf); | |
1971 | } | |
1972 | ||
605d52e6 | 1973 | net_rx_pkt_set_packet_type(s->rx_pkt, |
786fd2b0 DF |
1974 | get_eth_packet_type(PKT_GET_ETH_HDR(buf))); |
1975 | ||
1976 | if (vmxnet3_rx_filter_may_indicate(s, buf, size)) { | |
605d52e6 | 1977 | net_rx_pkt_set_protocols(s->rx_pkt, buf, size); |
80da311d | 1978 | vmxnet3_rx_need_csum_calculate(s->rx_pkt, buf, size); |
605d52e6 | 1979 | net_rx_pkt_attach_data(s->rx_pkt, buf, size, s->rx_vlan_stripping); |
786fd2b0 DF |
1980 | bytes_indicated = vmxnet3_indicate_packet(s) ? size : -1; |
1981 | if (bytes_indicated < size) { | |
2e4ca7db | 1982 | VMW_PKPRN("RX: %zu of %zu bytes indicated", bytes_indicated, size); |
786fd2b0 DF |
1983 | } |
1984 | } else { | |
1985 | VMW_PKPRN("Packet dropped by RX filter"); | |
1986 | bytes_indicated = size; | |
1987 | } | |
1988 | ||
1989 | assert(size > 0); | |
1990 | assert(bytes_indicated != 0); | |
1991 | return bytes_indicated; | |
1992 | } | |
1993 | ||
786fd2b0 DF |
1994 | static void vmxnet3_set_link_status(NetClientState *nc) |
1995 | { | |
1996 | VMXNET3State *s = qemu_get_nic_opaque(nc); | |
1997 | ||
1998 | if (nc->link_down) { | |
1999 | s->link_status_and_speed &= ~VMXNET3_LINK_STATUS_UP; | |
2000 | } else { | |
2001 | s->link_status_and_speed |= VMXNET3_LINK_STATUS_UP; | |
2002 | } | |
2003 | ||
2004 | vmxnet3_set_events(s, VMXNET3_ECR_LINK); | |
2005 | vmxnet3_trigger_interrupt(s, s->event_int_idx); | |
2006 | } | |
2007 | ||
2008 | static NetClientInfo net_vmxnet3_info = { | |
f394b2e2 | 2009 | .type = NET_CLIENT_DRIVER_NIC, |
786fd2b0 | 2010 | .size = sizeof(NICState), |
786fd2b0 | 2011 | .receive = vmxnet3_receive, |
786fd2b0 DF |
2012 | .link_status_changed = vmxnet3_set_link_status, |
2013 | }; | |
2014 | ||
2015 | static bool vmxnet3_peer_has_vnet_hdr(VMXNET3State *s) | |
2016 | { | |
cf528b89 | 2017 | NetClientState *nc = qemu_get_queue(s->nic); |
786fd2b0 | 2018 | |
d6085e3a | 2019 | if (qemu_has_vnet_hdr(nc->peer)) { |
786fd2b0 DF |
2020 | return true; |
2021 | } | |
2022 | ||
786fd2b0 DF |
2023 | return false; |
2024 | } | |
2025 | ||
2026 | static void vmxnet3_net_uninit(VMXNET3State *s) | |
2027 | { | |
2028 | g_free(s->mcast_list); | |
aa4a3dce | 2029 | vmxnet3_deactivate_device(s); |
3ffee3cd | 2030 | qemu_del_nic(s->nic); |
786fd2b0 DF |
2031 | } |
2032 | ||
2033 | static void vmxnet3_net_init(VMXNET3State *s) | |
2034 | { | |
2035 | DeviceState *d = DEVICE(s); | |
2036 | ||
2037 | VMW_CBPRN("vmxnet3_net_init called..."); | |
2038 | ||
2039 | qemu_macaddr_default_if_unset(&s->conf.macaddr); | |
2040 | ||
2041 | /* Windows guest will query the address that was set on init */ | |
2042 | memcpy(&s->perm_mac.a, &s->conf.macaddr.a, sizeof(s->perm_mac.a)); | |
2043 | ||
2044 | s->mcast_list = NULL; | |
2045 | s->mcast_list_len = 0; | |
2046 | ||
2047 | s->link_status_and_speed = VMXNET3_LINK_SPEED | VMXNET3_LINK_STATUS_UP; | |
2048 | ||
ab647872 | 2049 | VMW_CFPRN("Permanent MAC: " MAC_FMT, MAC_ARG(s->perm_mac.a)); |
786fd2b0 DF |
2050 | |
2051 | s->nic = qemu_new_nic(&net_vmxnet3_info, &s->conf, | |
2052 | object_get_typename(OBJECT(s)), | |
2053 | d->id, s); | |
2054 | ||
2055 | s->peer_has_vhdr = vmxnet3_peer_has_vnet_hdr(s); | |
2056 | s->tx_sop = true; | |
2057 | s->skip_current_tx_pkt = false; | |
2058 | s->tx_pkt = NULL; | |
2059 | s->rx_pkt = NULL; | |
2060 | s->rx_vlan_stripping = false; | |
2061 | s->lro_supported = false; | |
2062 | ||
2063 | if (s->peer_has_vhdr) { | |
d6085e3a | 2064 | qemu_set_vnet_hdr_len(qemu_get_queue(s->nic)->peer, |
786fd2b0 DF |
2065 | sizeof(struct virtio_net_hdr)); |
2066 | ||
d6085e3a | 2067 | qemu_using_vnet_hdr(qemu_get_queue(s->nic)->peer, 1); |
786fd2b0 DF |
2068 | } |
2069 | ||
2070 | qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a); | |
2071 | } | |
2072 | ||
2073 | static void | |
2074 | vmxnet3_unuse_msix_vectors(VMXNET3State *s, int num_vectors) | |
2075 | { | |
2076 | PCIDevice *d = PCI_DEVICE(s); | |
2077 | int i; | |
2078 | for (i = 0; i < num_vectors; i++) { | |
2079 | msix_vector_unuse(d, i); | |
2080 | } | |
2081 | } | |
2082 | ||
2083 | static bool | |
2084 | vmxnet3_use_msix_vectors(VMXNET3State *s, int num_vectors) | |
2085 | { | |
2086 | PCIDevice *d = PCI_DEVICE(s); | |
2087 | int i; | |
2088 | for (i = 0; i < num_vectors; i++) { | |
2089 | int res = msix_vector_use(d, i); | |
2090 | if (0 > res) { | |
2091 | VMW_WRPRN("Failed to use MSI-X vector %d, error %d", i, res); | |
2092 | vmxnet3_unuse_msix_vectors(s, i); | |
2093 | return false; | |
2094 | } | |
2095 | } | |
2096 | return true; | |
2097 | } | |
2098 | ||
2099 | static bool | |
2100 | vmxnet3_init_msix(VMXNET3State *s) | |
2101 | { | |
2102 | PCIDevice *d = PCI_DEVICE(s); | |
2103 | int res = msix_init(d, VMXNET3_MAX_INTRS, | |
2104 | &s->msix_bar, | |
2105 | VMXNET3_MSIX_BAR_IDX, VMXNET3_OFF_MSIX_TABLE, | |
2106 | &s->msix_bar, | |
9c087a05 | 2107 | VMXNET3_MSIX_BAR_IDX, VMXNET3_OFF_MSIX_PBA(s), |
ee640c62 | 2108 | VMXNET3_MSIX_OFFSET(s), NULL); |
786fd2b0 DF |
2109 | |
2110 | if (0 > res) { | |
2111 | VMW_WRPRN("Failed to initialize MSI-X, error %d", res); | |
2112 | s->msix_used = false; | |
2113 | } else { | |
2114 | if (!vmxnet3_use_msix_vectors(s, VMXNET3_MAX_INTRS)) { | |
2115 | VMW_WRPRN("Failed to use MSI-X vectors, error %d", res); | |
2116 | msix_uninit(d, &s->msix_bar, &s->msix_bar); | |
2117 | s->msix_used = false; | |
2118 | } else { | |
2119 | s->msix_used = true; | |
2120 | } | |
2121 | } | |
2122 | return s->msix_used; | |
2123 | } | |
2124 | ||
2125 | static void | |
2126 | vmxnet3_cleanup_msix(VMXNET3State *s) | |
2127 | { | |
2128 | PCIDevice *d = PCI_DEVICE(s); | |
2129 | ||
2130 | if (s->msix_used) { | |
b4467284 | 2131 | vmxnet3_unuse_msix_vectors(s, VMXNET3_MAX_INTRS); |
786fd2b0 DF |
2132 | msix_uninit(d, &s->msix_bar, &s->msix_bar); |
2133 | } | |
2134 | } | |
2135 | ||
786fd2b0 DF |
2136 | static void |
2137 | vmxnet3_cleanup_msi(VMXNET3State *s) | |
2138 | { | |
2139 | PCIDevice *d = PCI_DEVICE(s); | |
2140 | ||
1070048e | 2141 | msi_uninit(d); |
786fd2b0 DF |
2142 | } |
2143 | ||
2144 | static void | |
2145 | vmxnet3_msix_save(QEMUFile *f, void *opaque) | |
2146 | { | |
2147 | PCIDevice *d = PCI_DEVICE(opaque); | |
2148 | msix_save(d, f); | |
2149 | } | |
2150 | ||
2151 | static int | |
2152 | vmxnet3_msix_load(QEMUFile *f, void *opaque, int version_id) | |
2153 | { | |
2154 | PCIDevice *d = PCI_DEVICE(opaque); | |
2155 | msix_load(d, f); | |
2156 | return 0; | |
2157 | } | |
2158 | ||
2159 | static const MemoryRegionOps b0_ops = { | |
2160 | .read = vmxnet3_io_bar0_read, | |
2161 | .write = vmxnet3_io_bar0_write, | |
2162 | .endianness = DEVICE_LITTLE_ENDIAN, | |
2163 | .impl = { | |
2164 | .min_access_size = 4, | |
2165 | .max_access_size = 4, | |
2166 | }, | |
2167 | }; | |
2168 | ||
2169 | static const MemoryRegionOps b1_ops = { | |
2170 | .read = vmxnet3_io_bar1_read, | |
2171 | .write = vmxnet3_io_bar1_write, | |
2172 | .endianness = DEVICE_LITTLE_ENDIAN, | |
2173 | .impl = { | |
2174 | .min_access_size = 4, | |
2175 | .max_access_size = 4, | |
2176 | }, | |
2177 | }; | |
2178 | ||
1b6e7482 LV |
2179 | static SaveVMHandlers savevm_vmxnet3_msix = { |
2180 | .save_state = vmxnet3_msix_save, | |
2181 | .load_state = vmxnet3_msix_load, | |
2182 | }; | |
2183 | ||
a4b387e6 | 2184 | static uint64_t vmxnet3_device_serial_num(VMXNET3State *s) |
3509866a | 2185 | { |
a4b387e6 | 2186 | uint64_t dsn_payload; |
3509866a SL |
2187 | uint8_t *dsnp = (uint8_t *)&dsn_payload; |
2188 | ||
2189 | dsnp[0] = 0xfe; | |
2190 | dsnp[1] = s->conf.macaddr.a[3]; | |
2191 | dsnp[2] = s->conf.macaddr.a[4]; | |
2192 | dsnp[3] = s->conf.macaddr.a[5]; | |
2193 | dsnp[4] = s->conf.macaddr.a[0]; | |
2194 | dsnp[5] = s->conf.macaddr.a[1]; | |
2195 | dsnp[6] = s->conf.macaddr.a[2]; | |
2196 | dsnp[7] = 0xff; | |
a4b387e6 | 2197 | return dsn_payload; |
3509866a SL |
2198 | } |
2199 | ||
1108b2f8 C |
2200 | |
2201 | #define VMXNET3_USE_64BIT (true) | |
2202 | #define VMXNET3_PER_VECTOR_MASK (false) | |
2203 | ||
9af21dbe | 2204 | static void vmxnet3_pci_realize(PCIDevice *pci_dev, Error **errp) |
786fd2b0 DF |
2205 | { |
2206 | DeviceState *dev = DEVICE(pci_dev); | |
2207 | VMXNET3State *s = VMXNET3(pci_dev); | |
1108b2f8 | 2208 | int ret; |
786fd2b0 DF |
2209 | |
2210 | VMW_CBPRN("Starting init..."); | |
2211 | ||
eedfac6f | 2212 | memory_region_init_io(&s->bar0, OBJECT(s), &b0_ops, s, |
786fd2b0 DF |
2213 | "vmxnet3-b0", VMXNET3_PT_REG_SIZE); |
2214 | pci_register_bar(pci_dev, VMXNET3_BAR0_IDX, | |
2215 | PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0); | |
2216 | ||
eedfac6f | 2217 | memory_region_init_io(&s->bar1, OBJECT(s), &b1_ops, s, |
786fd2b0 DF |
2218 | "vmxnet3-b1", VMXNET3_VD_REG_SIZE); |
2219 | pci_register_bar(pci_dev, VMXNET3_BAR1_IDX, | |
2220 | PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar1); | |
2221 | ||
eedfac6f | 2222 | memory_region_init(&s->msix_bar, OBJECT(s), "vmxnet3-msix-bar", |
786fd2b0 DF |
2223 | VMXNET3_MSIX_BAR_SIZE); |
2224 | pci_register_bar(pci_dev, VMXNET3_MSIX_BAR_IDX, | |
2225 | PCI_BASE_ADDRESS_SPACE_MEMORY, &s->msix_bar); | |
2226 | ||
2227 | vmxnet3_reset_interrupt_states(s); | |
2228 | ||
2229 | /* Interrupt pin A */ | |
2230 | pci_dev->config[PCI_INTERRUPT_PIN] = 0x01; | |
2231 | ||
1108b2f8 C |
2232 | ret = msi_init(pci_dev, VMXNET3_MSI_OFFSET(s), VMXNET3_MAX_NMSIX_INTRS, |
2233 | VMXNET3_USE_64BIT, VMXNET3_PER_VECTOR_MASK, NULL); | |
2234 | /* Any error other than -ENOTSUP(board's MSI support is broken) | |
2235 | * is a programming error. Fall back to INTx silently on -ENOTSUP */ | |
2236 | assert(!ret || ret == -ENOTSUP); | |
1108b2f8 | 2237 | |
786fd2b0 DF |
2238 | if (!vmxnet3_init_msix(s)) { |
2239 | VMW_WRPRN("Failed to initialize MSI-X, configuration is inconsistent."); | |
2240 | } | |
2241 | ||
786fd2b0 DF |
2242 | vmxnet3_net_init(s); |
2243 | ||
3509866a | 2244 | if (pci_is_express(pci_dev)) { |
fd56e061 | 2245 | if (pci_bus_is_express(pci_get_bus(pci_dev))) { |
3509866a SL |
2246 | pcie_endpoint_cap_init(pci_dev, VMXNET3_EXP_EP_OFFSET); |
2247 | } | |
2248 | ||
a4b387e6 DF |
2249 | pcie_dev_ser_num_init(pci_dev, VMXNET3_DSN_OFFSET, |
2250 | vmxnet3_device_serial_num(s)); | |
f713d4d2 SL |
2251 | } |
2252 | ||
1b6e7482 | 2253 | register_savevm_live(dev, "vmxnet3-msix", -1, 1, &savevm_vmxnet3_msix, s); |
786fd2b0 DF |
2254 | } |
2255 | ||
e25524ef GA |
2256 | static void vmxnet3_instance_init(Object *obj) |
2257 | { | |
2258 | VMXNET3State *s = VMXNET3(obj); | |
2259 | device_add_bootindex_property(obj, &s->conf.bootindex, | |
2260 | "bootindex", "/ethernet-phy@0", | |
2261 | DEVICE(obj), NULL); | |
2262 | } | |
786fd2b0 DF |
2263 | |
2264 | static void vmxnet3_pci_uninit(PCIDevice *pci_dev) | |
2265 | { | |
2266 | DeviceState *dev = DEVICE(pci_dev); | |
2267 | VMXNET3State *s = VMXNET3(pci_dev); | |
2268 | ||
2269 | VMW_CBPRN("Starting uninit..."); | |
2270 | ||
2271 | unregister_savevm(dev, "vmxnet3-msix", s); | |
2272 | ||
2273 | vmxnet3_net_uninit(s); | |
2274 | ||
2275 | vmxnet3_cleanup_msix(s); | |
2276 | ||
2277 | vmxnet3_cleanup_msi(s); | |
786fd2b0 DF |
2278 | } |
2279 | ||
2280 | static void vmxnet3_qdev_reset(DeviceState *dev) | |
2281 | { | |
2282 | PCIDevice *d = PCI_DEVICE(dev); | |
2283 | VMXNET3State *s = VMXNET3(d); | |
2284 | ||
2285 | VMW_CBPRN("Starting QDEV reset..."); | |
2286 | vmxnet3_reset(s); | |
2287 | } | |
2288 | ||
2289 | static bool vmxnet3_mc_list_needed(void *opaque) | |
2290 | { | |
2291 | return true; | |
2292 | } | |
2293 | ||
2294 | static int vmxnet3_mcast_list_pre_load(void *opaque) | |
2295 | { | |
2296 | VMXNET3State *s = opaque; | |
2297 | ||
2298 | s->mcast_list = g_malloc(s->mcast_list_buff_size); | |
2299 | ||
2300 | return 0; | |
2301 | } | |
2302 | ||
2303 | ||
44b1ff31 | 2304 | static int vmxnet3_pre_save(void *opaque) |
786fd2b0 DF |
2305 | { |
2306 | VMXNET3State *s = opaque; | |
2307 | ||
2308 | s->mcast_list_buff_size = s->mcast_list_len * sizeof(MACAddr); | |
44b1ff31 DDAG |
2309 | |
2310 | return 0; | |
786fd2b0 DF |
2311 | } |
2312 | ||
2313 | static const VMStateDescription vmxstate_vmxnet3_mcast_list = { | |
2314 | .name = "vmxnet3/mcast_list", | |
2315 | .version_id = 1, | |
2316 | .minimum_version_id = 1, | |
786fd2b0 | 2317 | .pre_load = vmxnet3_mcast_list_pre_load, |
5cd8cada | 2318 | .needed = vmxnet3_mc_list_needed, |
786fd2b0 | 2319 | .fields = (VMStateField[]) { |
59046ec2 | 2320 | VMSTATE_VBUFFER_UINT32(mcast_list, VMXNET3State, 0, NULL, |
786fd2b0 DF |
2321 | mcast_list_buff_size), |
2322 | VMSTATE_END_OF_LIST() | |
2323 | } | |
2324 | }; | |
2325 | ||
a11f5cb0 DDAG |
2326 | static const VMStateDescription vmstate_vmxnet3_ring = { |
2327 | .name = "vmxnet3-ring", | |
2328 | .version_id = 0, | |
2329 | .fields = (VMStateField[]) { | |
2330 | VMSTATE_UINT64(pa, Vmxnet3Ring), | |
2331 | VMSTATE_UINT32(size, Vmxnet3Ring), | |
2332 | VMSTATE_UINT32(cell_size, Vmxnet3Ring), | |
2333 | VMSTATE_UINT32(next, Vmxnet3Ring), | |
2334 | VMSTATE_UINT8(gen, Vmxnet3Ring), | |
2335 | VMSTATE_END_OF_LIST() | |
2336 | } | |
786fd2b0 DF |
2337 | }; |
2338 | ||
a11f5cb0 DDAG |
2339 | static const VMStateDescription vmstate_vmxnet3_tx_stats = { |
2340 | .name = "vmxnet3-tx-stats", | |
2341 | .version_id = 0, | |
2342 | .fields = (VMStateField[]) { | |
2343 | VMSTATE_UINT64(TSOPktsTxOK, struct UPT1_TxStats), | |
2344 | VMSTATE_UINT64(TSOBytesTxOK, struct UPT1_TxStats), | |
2345 | VMSTATE_UINT64(ucastPktsTxOK, struct UPT1_TxStats), | |
2346 | VMSTATE_UINT64(ucastBytesTxOK, struct UPT1_TxStats), | |
2347 | VMSTATE_UINT64(mcastPktsTxOK, struct UPT1_TxStats), | |
2348 | VMSTATE_UINT64(mcastBytesTxOK, struct UPT1_TxStats), | |
2349 | VMSTATE_UINT64(bcastPktsTxOK, struct UPT1_TxStats), | |
2350 | VMSTATE_UINT64(bcastBytesTxOK, struct UPT1_TxStats), | |
2351 | VMSTATE_UINT64(pktsTxError, struct UPT1_TxStats), | |
2352 | VMSTATE_UINT64(pktsTxDiscard, struct UPT1_TxStats), | |
2353 | VMSTATE_END_OF_LIST() | |
786fd2b0 | 2354 | } |
a11f5cb0 | 2355 | }; |
786fd2b0 | 2356 | |
a11f5cb0 DDAG |
2357 | static const VMStateDescription vmstate_vmxnet3_txq_descr = { |
2358 | .name = "vmxnet3-txq-descr", | |
2359 | .version_id = 0, | |
2360 | .fields = (VMStateField[]) { | |
2361 | VMSTATE_STRUCT(tx_ring, Vmxnet3TxqDescr, 0, vmstate_vmxnet3_ring, | |
2362 | Vmxnet3Ring), | |
2363 | VMSTATE_STRUCT(comp_ring, Vmxnet3TxqDescr, 0, vmstate_vmxnet3_ring, | |
2364 | Vmxnet3Ring), | |
2365 | VMSTATE_UINT8(intr_idx, Vmxnet3TxqDescr), | |
2366 | VMSTATE_UINT64(tx_stats_pa, Vmxnet3TxqDescr), | |
2367 | VMSTATE_STRUCT(txq_stats, Vmxnet3TxqDescr, 0, vmstate_vmxnet3_tx_stats, | |
2368 | struct UPT1_TxStats), | |
2369 | VMSTATE_END_OF_LIST() | |
786fd2b0 | 2370 | } |
a11f5cb0 | 2371 | }; |
786fd2b0 | 2372 | |
a11f5cb0 DDAG |
2373 | static const VMStateDescription vmstate_vmxnet3_rx_stats = { |
2374 | .name = "vmxnet3-rx-stats", | |
2375 | .version_id = 0, | |
2376 | .fields = (VMStateField[]) { | |
2377 | VMSTATE_UINT64(LROPktsRxOK, struct UPT1_RxStats), | |
2378 | VMSTATE_UINT64(LROBytesRxOK, struct UPT1_RxStats), | |
2379 | VMSTATE_UINT64(ucastPktsRxOK, struct UPT1_RxStats), | |
2380 | VMSTATE_UINT64(ucastBytesRxOK, struct UPT1_RxStats), | |
2381 | VMSTATE_UINT64(mcastPktsRxOK, struct UPT1_RxStats), | |
2382 | VMSTATE_UINT64(mcastBytesRxOK, struct UPT1_RxStats), | |
2383 | VMSTATE_UINT64(bcastPktsRxOK, struct UPT1_RxStats), | |
2384 | VMSTATE_UINT64(bcastBytesRxOK, struct UPT1_RxStats), | |
2385 | VMSTATE_UINT64(pktsRxOutOfBuf, struct UPT1_RxStats), | |
2386 | VMSTATE_UINT64(pktsRxError, struct UPT1_RxStats), | |
2387 | VMSTATE_END_OF_LIST() | |
2388 | } | |
2389 | }; | |
2c21ee76 | 2390 | |
a11f5cb0 DDAG |
2391 | static const VMStateDescription vmstate_vmxnet3_rxq_descr = { |
2392 | .name = "vmxnet3-rxq-descr", | |
2393 | .version_id = 0, | |
2394 | .fields = (VMStateField[]) { | |
2395 | VMSTATE_STRUCT_ARRAY(rx_ring, Vmxnet3RxqDescr, | |
2396 | VMXNET3_RX_RINGS_PER_QUEUE, 0, | |
2397 | vmstate_vmxnet3_ring, Vmxnet3Ring), | |
2398 | VMSTATE_STRUCT(comp_ring, Vmxnet3RxqDescr, 0, vmstate_vmxnet3_ring, | |
2399 | Vmxnet3Ring), | |
2400 | VMSTATE_UINT8(intr_idx, Vmxnet3RxqDescr), | |
2401 | VMSTATE_UINT64(rx_stats_pa, Vmxnet3RxqDescr), | |
2402 | VMSTATE_STRUCT(rxq_stats, Vmxnet3RxqDescr, 0, vmstate_vmxnet3_rx_stats, | |
2403 | struct UPT1_RxStats), | |
2404 | VMSTATE_END_OF_LIST() | |
2405 | } | |
2406 | }; | |
786fd2b0 DF |
2407 | |
2408 | static int vmxnet3_post_load(void *opaque, int version_id) | |
2409 | { | |
2410 | VMXNET3State *s = opaque; | |
2411 | PCIDevice *d = PCI_DEVICE(s); | |
2412 | ||
11171010 DF |
2413 | net_tx_pkt_init(&s->tx_pkt, PCI_DEVICE(s), |
2414 | s->max_tx_frags, s->peer_has_vhdr); | |
605d52e6 | 2415 | net_rx_pkt_init(&s->rx_pkt, s->peer_has_vhdr); |
786fd2b0 DF |
2416 | |
2417 | if (s->msix_used) { | |
2418 | if (!vmxnet3_use_msix_vectors(s, VMXNET3_MAX_INTRS)) { | |
2419 | VMW_WRPRN("Failed to re-use MSI-X vectors"); | |
2420 | msix_uninit(d, &s->msix_bar, &s->msix_bar); | |
2421 | s->msix_used = false; | |
2422 | return -1; | |
2423 | } | |
2424 | } | |
2425 | ||
f12d048a | 2426 | vmxnet3_validate_queues(s); |
3c99afc7 DF |
2427 | vmxnet3_validate_interrupts(s); |
2428 | ||
786fd2b0 DF |
2429 | return 0; |
2430 | } | |
2431 | ||
a11f5cb0 DDAG |
2432 | static const VMStateDescription vmstate_vmxnet3_int_state = { |
2433 | .name = "vmxnet3-int-state", | |
2434 | .version_id = 0, | |
2435 | .fields = (VMStateField[]) { | |
2436 | VMSTATE_BOOL(is_masked, Vmxnet3IntState), | |
2437 | VMSTATE_BOOL(is_pending, Vmxnet3IntState), | |
2438 | VMSTATE_BOOL(is_asserted, Vmxnet3IntState), | |
2439 | VMSTATE_END_OF_LIST() | |
2440 | } | |
786fd2b0 DF |
2441 | }; |
2442 | ||
f713d4d2 SL |
2443 | static bool vmxnet3_vmstate_need_pcie_device(void *opaque) |
2444 | { | |
2445 | VMXNET3State *s = VMXNET3(opaque); | |
2446 | ||
2447 | return !(s->compat_flags & VMXNET3_COMPAT_FLAG_DISABLE_PCIE); | |
2448 | } | |
2449 | ||
2450 | static bool vmxnet3_vmstate_test_pci_device(void *opaque, int version_id) | |
2451 | { | |
2452 | return !vmxnet3_vmstate_need_pcie_device(opaque); | |
2453 | } | |
2454 | ||
2455 | static const VMStateDescription vmstate_vmxnet3_pcie_device = { | |
2456 | .name = "vmxnet3/pcie", | |
2457 | .version_id = 1, | |
2458 | .minimum_version_id = 1, | |
2459 | .needed = vmxnet3_vmstate_need_pcie_device, | |
2460 | .fields = (VMStateField[]) { | |
20daa90a | 2461 | VMSTATE_PCI_DEVICE(parent_obj, VMXNET3State), |
f713d4d2 SL |
2462 | VMSTATE_END_OF_LIST() |
2463 | } | |
2464 | }; | |
2465 | ||
786fd2b0 DF |
2466 | static const VMStateDescription vmstate_vmxnet3 = { |
2467 | .name = "vmxnet3", | |
2468 | .version_id = 1, | |
2469 | .minimum_version_id = 1, | |
786fd2b0 DF |
2470 | .pre_save = vmxnet3_pre_save, |
2471 | .post_load = vmxnet3_post_load, | |
d49805ae | 2472 | .fields = (VMStateField[]) { |
f713d4d2 SL |
2473 | VMSTATE_STRUCT_TEST(parent_obj, VMXNET3State, |
2474 | vmxnet3_vmstate_test_pci_device, 0, | |
2475 | vmstate_pci_device, PCIDevice), | |
786fd2b0 DF |
2476 | VMSTATE_BOOL(rx_packets_compound, VMXNET3State), |
2477 | VMSTATE_BOOL(rx_vlan_stripping, VMXNET3State), | |
2478 | VMSTATE_BOOL(lro_supported, VMXNET3State), | |
2479 | VMSTATE_UINT32(rx_mode, VMXNET3State), | |
2480 | VMSTATE_UINT32(mcast_list_len, VMXNET3State), | |
2481 | VMSTATE_UINT32(mcast_list_buff_size, VMXNET3State), | |
2482 | VMSTATE_UINT32_ARRAY(vlan_table, VMXNET3State, VMXNET3_VFT_SIZE), | |
2483 | VMSTATE_UINT32(mtu, VMXNET3State), | |
2484 | VMSTATE_UINT16(max_rx_frags, VMXNET3State), | |
2485 | VMSTATE_UINT32(max_tx_frags, VMXNET3State), | |
2486 | VMSTATE_UINT8(event_int_idx, VMXNET3State), | |
2487 | VMSTATE_BOOL(auto_int_masking, VMXNET3State), | |
2488 | VMSTATE_UINT8(txq_num, VMXNET3State), | |
2489 | VMSTATE_UINT8(rxq_num, VMXNET3State), | |
2490 | VMSTATE_UINT32(device_active, VMXNET3State), | |
2491 | VMSTATE_UINT32(last_command, VMXNET3State), | |
2492 | VMSTATE_UINT32(link_status_and_speed, VMXNET3State), | |
2493 | VMSTATE_UINT32(temp_mac, VMXNET3State), | |
2494 | VMSTATE_UINT64(drv_shmem, VMXNET3State), | |
2495 | VMSTATE_UINT64(temp_shared_guest_driver_memory, VMXNET3State), | |
2496 | ||
a11f5cb0 DDAG |
2497 | VMSTATE_STRUCT_ARRAY(txq_descr, VMXNET3State, |
2498 | VMXNET3_DEVICE_MAX_TX_QUEUES, 0, vmstate_vmxnet3_txq_descr, | |
786fd2b0 | 2499 | Vmxnet3TxqDescr), |
a11f5cb0 DDAG |
2500 | VMSTATE_STRUCT_ARRAY(rxq_descr, VMXNET3State, |
2501 | VMXNET3_DEVICE_MAX_RX_QUEUES, 0, vmstate_vmxnet3_rxq_descr, | |
786fd2b0 | 2502 | Vmxnet3RxqDescr), |
a11f5cb0 DDAG |
2503 | VMSTATE_STRUCT_ARRAY(interrupt_states, VMXNET3State, |
2504 | VMXNET3_MAX_INTRS, 0, vmstate_vmxnet3_int_state, | |
2505 | Vmxnet3IntState), | |
786fd2b0 DF |
2506 | |
2507 | VMSTATE_END_OF_LIST() | |
2508 | }, | |
5cd8cada JQ |
2509 | .subsections = (const VMStateDescription*[]) { |
2510 | &vmxstate_vmxnet3_mcast_list, | |
f713d4d2 | 2511 | &vmstate_vmxnet3_pcie_device, |
5cd8cada | 2512 | NULL |
786fd2b0 DF |
2513 | } |
2514 | }; | |
2515 | ||
786fd2b0 DF |
2516 | static Property vmxnet3_properties[] = { |
2517 | DEFINE_NIC_PROPERTIES(VMXNET3State, conf), | |
b22e0aef SL |
2518 | DEFINE_PROP_BIT("x-old-msi-offsets", VMXNET3State, compat_flags, |
2519 | VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT, false), | |
7d6d347d SL |
2520 | DEFINE_PROP_BIT("x-disable-pcie", VMXNET3State, compat_flags, |
2521 | VMXNET3_COMPAT_FLAG_DISABLE_PCIE_BIT, false), | |
786fd2b0 DF |
2522 | DEFINE_PROP_END_OF_LIST(), |
2523 | }; | |
2524 | ||
f713d4d2 SL |
2525 | static void vmxnet3_realize(DeviceState *qdev, Error **errp) |
2526 | { | |
2527 | VMXNET3Class *vc = VMXNET3_DEVICE_GET_CLASS(qdev); | |
2528 | PCIDevice *pci_dev = PCI_DEVICE(qdev); | |
2529 | VMXNET3State *s = VMXNET3(qdev); | |
2530 | ||
2531 | if (!(s->compat_flags & VMXNET3_COMPAT_FLAG_DISABLE_PCIE)) { | |
2532 | pci_dev->cap_present |= QEMU_PCI_CAP_EXPRESS; | |
2533 | } | |
2534 | ||
2535 | vc->parent_dc_realize(qdev, errp); | |
2536 | } | |
2537 | ||
786fd2b0 DF |
2538 | static void vmxnet3_class_init(ObjectClass *class, void *data) |
2539 | { | |
2540 | DeviceClass *dc = DEVICE_CLASS(class); | |
2541 | PCIDeviceClass *c = PCI_DEVICE_CLASS(class); | |
f713d4d2 | 2542 | VMXNET3Class *vc = VMXNET3_DEVICE_CLASS(class); |
786fd2b0 | 2543 | |
9af21dbe | 2544 | c->realize = vmxnet3_pci_realize; |
786fd2b0 DF |
2545 | c->exit = vmxnet3_pci_uninit; |
2546 | c->vendor_id = PCI_VENDOR_ID_VMWARE; | |
2547 | c->device_id = PCI_DEVICE_ID_VMWARE_VMXNET3; | |
2548 | c->revision = PCI_DEVICE_ID_VMWARE_VMXNET3_REVISION; | |
43716de6 | 2549 | c->romfile = "efi-vmxnet3.rom"; |
786fd2b0 DF |
2550 | c->class_id = PCI_CLASS_NETWORK_ETHERNET; |
2551 | c->subsystem_vendor_id = PCI_VENDOR_ID_VMWARE; | |
2552 | c->subsystem_id = PCI_DEVICE_ID_VMWARE_VMXNET3; | |
bf853881 PMD |
2553 | device_class_set_parent_realize(dc, vmxnet3_realize, |
2554 | &vc->parent_dc_realize); | |
786fd2b0 DF |
2555 | dc->desc = "VMWare Paravirtualized Ethernet v3"; |
2556 | dc->reset = vmxnet3_qdev_reset; | |
2557 | dc->vmsd = &vmstate_vmxnet3; | |
2558 | dc->props = vmxnet3_properties; | |
125ee0ed | 2559 | set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); |
786fd2b0 DF |
2560 | } |
2561 | ||
2562 | static const TypeInfo vmxnet3_info = { | |
2563 | .name = TYPE_VMXNET3, | |
2564 | .parent = TYPE_PCI_DEVICE, | |
b79f17a9 | 2565 | .class_size = sizeof(VMXNET3Class), |
786fd2b0 DF |
2566 | .instance_size = sizeof(VMXNET3State), |
2567 | .class_init = vmxnet3_class_init, | |
e25524ef | 2568 | .instance_init = vmxnet3_instance_init, |
a5fa336f EH |
2569 | .interfaces = (InterfaceInfo[]) { |
2570 | { INTERFACE_PCIE_DEVICE }, | |
2571 | { INTERFACE_CONVENTIONAL_PCI_DEVICE }, | |
2572 | { } | |
2573 | }, | |
786fd2b0 DF |
2574 | }; |
2575 | ||
2576 | static void vmxnet3_register_types(void) | |
2577 | { | |
2578 | VMW_CBPRN("vmxnet3_register_types called..."); | |
2579 | type_register_static(&vmxnet3_info); | |
2580 | } | |
2581 | ||
2582 | type_init(vmxnet3_register_types) |