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42 #include <rte_bus_pci.h>
43 #include <rte_interrupts.h>
45 #include <rte_debug.h>
47 #include <rte_ether.h>
48 #include <rte_ethdev.h>
49 #include <rte_memcpy.h>
50 #include <rte_malloc.h>
51 #include <rte_random.h>
53 #include "base/e1000_defines.h"
54 #include "base/e1000_regs.h"
55 #include "base/e1000_hw.h"
56 #include "e1000_ethdev.h"
58 static inline uint16_t
59 dev_num_vf(struct rte_eth_dev *eth_dev)
61 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
63 return pci_dev->max_vfs;
67 int igb_vf_perm_addr_gen(struct rte_eth_dev *dev, uint16_t vf_num)
69 unsigned char vf_mac_addr[ETHER_ADDR_LEN];
70 struct e1000_vf_info *vfinfo =
71 *E1000_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private);
74 for (vfn = 0; vfn < vf_num; vfn++) {
75 eth_random_addr(vf_mac_addr);
76 /* keep the random address as default */
77 memcpy(vfinfo[vfn].vf_mac_addresses, vf_mac_addr,
85 igb_mb_intr_setup(struct rte_eth_dev *dev)
87 struct e1000_interrupt *intr =
88 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
90 intr->mask |= E1000_ICR_VMMB;
95 void igb_pf_host_init(struct rte_eth_dev *eth_dev)
97 struct e1000_vf_info **vfinfo =
98 E1000_DEV_PRIVATE_TO_P_VFDATA(eth_dev->data->dev_private);
100 E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
104 RTE_ETH_DEV_SRIOV(eth_dev).active = 0;
105 if (0 == (vf_num = dev_num_vf(eth_dev)))
108 if (hw->mac.type == e1000_i350)
110 else if(hw->mac.type == e1000_82576)
111 /* per datasheet, it should be 2, but 1 seems correct */
116 *vfinfo = rte_zmalloc("vf_info", sizeof(struct e1000_vf_info) * vf_num, 0);
118 rte_panic("Cannot allocate memory for private VF data\n");
120 RTE_ETH_DEV_SRIOV(eth_dev).active = ETH_8_POOLS;
121 RTE_ETH_DEV_SRIOV(eth_dev).nb_q_per_pool = nb_queue;
122 RTE_ETH_DEV_SRIOV(eth_dev).def_vmdq_idx = vf_num;
123 RTE_ETH_DEV_SRIOV(eth_dev).def_pool_q_idx = (uint16_t)(vf_num * nb_queue);
125 igb_vf_perm_addr_gen(eth_dev, vf_num);
127 /* set mb interrupt mask */
128 igb_mb_intr_setup(eth_dev);
133 void igb_pf_host_uninit(struct rte_eth_dev *dev)
135 struct e1000_vf_info **vfinfo;
138 PMD_INIT_FUNC_TRACE();
140 vfinfo = E1000_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private);
142 RTE_ETH_DEV_SRIOV(dev).active = 0;
143 RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = 0;
144 RTE_ETH_DEV_SRIOV(dev).def_vmdq_idx = 0;
145 RTE_ETH_DEV_SRIOV(dev).def_pool_q_idx = 0;
147 vf_num = dev_num_vf(dev);
155 #define E1000_RAH_POOLSEL_SHIFT (18)
156 int igb_pf_host_configure(struct rte_eth_dev *eth_dev)
160 struct e1000_hw *hw =
161 E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
166 if (0 == (vf_num = dev_num_vf(eth_dev)))
169 /* enable VMDq and set the default pool for PF */
170 vtctl = E1000_READ_REG(hw, E1000_VT_CTL);
171 vtctl &= ~E1000_VT_CTL_DEFAULT_POOL_MASK;
172 vtctl |= RTE_ETH_DEV_SRIOV(eth_dev).def_vmdq_idx
173 << E1000_VT_CTL_DEFAULT_POOL_SHIFT;
174 vtctl |= E1000_VT_CTL_VM_REPL_EN;
175 E1000_WRITE_REG(hw, E1000_VT_CTL, vtctl);
177 /* Enable pools reserved to PF only */
178 E1000_WRITE_REG(hw, E1000_VFRE, (~0U) << vf_num);
179 E1000_WRITE_REG(hw, E1000_VFTE, (~0U) << vf_num);
181 /* PFDMA Tx General Switch Control Enables VMDQ loopback */
182 if (hw->mac.type == e1000_i350)
183 E1000_WRITE_REG(hw, E1000_TXSWC, E1000_DTXSWC_VMDQ_LOOPBACK_EN);
185 E1000_WRITE_REG(hw, E1000_DTXSWC, E1000_DTXSWC_VMDQ_LOOPBACK_EN);
187 /* clear VMDq map to perment rar 0 */
188 rah = E1000_READ_REG(hw, E1000_RAH(0));
189 rah &= ~ (0xFF << E1000_RAH_POOLSEL_SHIFT);
190 E1000_WRITE_REG(hw, E1000_RAH(0), rah);
192 /* clear VMDq map to scan rar 32 */
193 rah = E1000_READ_REG(hw, E1000_RAH(hw->mac.rar_entry_count));
194 rah &= ~ (0xFF << E1000_RAH_POOLSEL_SHIFT);
195 E1000_WRITE_REG(hw, E1000_RAH(hw->mac.rar_entry_count), rah);
197 /* set VMDq map to default PF pool */
198 rah = E1000_READ_REG(hw, E1000_RAH(0));
199 rah |= (0x1 << (RTE_ETH_DEV_SRIOV(eth_dev).def_vmdq_idx +
200 E1000_RAH_POOLSEL_SHIFT));
201 E1000_WRITE_REG(hw, E1000_RAH(0), rah);
204 * enable vlan filtering and allow all vlan tags through
206 vlanctrl = E1000_READ_REG(hw, E1000_RCTL);
207 vlanctrl |= E1000_RCTL_VFE ; /* enable vlan filters */
208 E1000_WRITE_REG(hw, E1000_RCTL, vlanctrl);
210 /* VFTA - enable all vlan filters */
211 for (i = 0; i < IGB_VFTA_SIZE; i++) {
212 E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, i, 0xFFFFFFFF);
215 /* Enable/Disable MAC Anti-Spoofing */
216 e1000_vmdq_set_anti_spoofing_pf(hw, FALSE, vf_num);
222 set_rx_mode(struct rte_eth_dev *dev)
224 struct rte_eth_dev_data *dev_data = dev->data;
225 struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
226 uint32_t fctrl, vmolr = E1000_VMOLR_BAM | E1000_VMOLR_AUPE;
227 uint16_t vfn = dev_num_vf(dev);
229 /* Check for Promiscuous and All Multicast modes */
230 fctrl = E1000_READ_REG(hw, E1000_RCTL);
232 /* set all bits that we expect to always be set */
233 fctrl &= ~E1000_RCTL_SBP; /* disable store-bad-packets */
234 fctrl |= E1000_RCTL_BAM;
236 /* clear the bits we are changing the status of */
237 fctrl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
239 if (dev_data->promiscuous) {
240 fctrl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
241 vmolr |= (E1000_VMOLR_ROPE | E1000_VMOLR_MPME);
243 if (dev_data->all_multicast) {
244 fctrl |= E1000_RCTL_MPE;
245 vmolr |= E1000_VMOLR_MPME;
247 vmolr |= E1000_VMOLR_ROMPE;
251 if ((hw->mac.type == e1000_82576) ||
252 (hw->mac.type == e1000_i350)) {
253 vmolr |= E1000_READ_REG(hw, E1000_VMOLR(vfn)) &
254 ~(E1000_VMOLR_MPME | E1000_VMOLR_ROMPE |
256 E1000_WRITE_REG(hw, E1000_VMOLR(vfn), vmolr);
259 E1000_WRITE_REG(hw, E1000_RCTL, fctrl);
263 igb_vf_reset_event(struct rte_eth_dev *dev, uint16_t vf)
265 struct e1000_hw *hw =
266 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
267 struct e1000_vf_info *vfinfo =
268 *(E1000_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private));
269 uint32_t vmolr = E1000_READ_REG(hw, E1000_VMOLR(vf));
271 vmolr |= (E1000_VMOLR_ROPE | E1000_VMOLR_ROMPE |
272 E1000_VMOLR_BAM | E1000_VMOLR_AUPE);
273 E1000_WRITE_REG(hw, E1000_VMOLR(vf), vmolr);
275 E1000_WRITE_REG(hw, E1000_VMVIR(vf), 0);
277 /* reset multicast table array for vf */
278 vfinfo[vf].num_vf_mc_hashes = 0;
285 igb_vf_reset_msg(struct rte_eth_dev *dev, uint16_t vf)
287 struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
290 /* enable transmit and receive for vf */
291 reg = E1000_READ_REG(hw, E1000_VFTE);
292 reg |= (reg | (1 << vf));
293 E1000_WRITE_REG(hw, E1000_VFTE, reg);
295 reg = E1000_READ_REG(hw, E1000_VFRE);
296 reg |= (reg | (1 << vf));
297 E1000_WRITE_REG(hw, E1000_VFRE, reg);
299 igb_vf_reset_event(dev, vf);
303 igb_vf_reset(struct rte_eth_dev *dev, uint16_t vf, uint32_t *msgbuf)
305 struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
306 struct e1000_vf_info *vfinfo =
307 *(E1000_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private));
308 unsigned char *vf_mac = vfinfo[vf].vf_mac_addresses;
309 int rar_entry = hw->mac.rar_entry_count - (vf + 1);
310 uint8_t *new_mac = (uint8_t *)(&msgbuf[1]);
313 igb_vf_reset_msg(dev, vf);
315 hw->mac.ops.rar_set(hw, vf_mac, rar_entry);
316 rah = E1000_READ_REG(hw, E1000_RAH(rar_entry));
317 rah |= (0x1 << (vf + E1000_RAH_POOLSEL_SHIFT));
318 E1000_WRITE_REG(hw, E1000_RAH(rar_entry), rah);
320 /* reply to reset with ack and vf mac address */
321 msgbuf[0] = E1000_VF_RESET | E1000_VT_MSGTYPE_ACK;
322 rte_memcpy(new_mac, vf_mac, ETHER_ADDR_LEN);
323 e1000_write_mbx(hw, msgbuf, 3, vf);
329 igb_vf_set_mac_addr(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
331 struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
332 struct e1000_vf_info *vfinfo =
333 *(E1000_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private));
334 int rar_entry = hw->mac.rar_entry_count - (vf + 1);
335 uint8_t *new_mac = (uint8_t *)(&msgbuf[1]);
338 if (is_unicast_ether_addr((struct ether_addr *)new_mac)) {
339 if (!is_zero_ether_addr((struct ether_addr *)new_mac))
340 rte_memcpy(vfinfo[vf].vf_mac_addresses, new_mac,
341 sizeof(vfinfo[vf].vf_mac_addresses));
342 hw->mac.ops.rar_set(hw, new_mac, rar_entry);
343 rah = E1000_READ_REG(hw, E1000_RAH(rar_entry));
344 rah |= (0x1 << (E1000_RAH_POOLSEL_SHIFT + vf));
345 E1000_WRITE_REG(hw, E1000_RAH(rar_entry), rah);
352 igb_vf_set_multicast(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *msgbuf)
358 int entries = (msgbuf[0] & E1000_VT_MSGINFO_MASK) >>
359 E1000_VT_MSGINFO_SHIFT;
360 uint16_t *hash_list = (uint16_t *)&msgbuf[1];
361 struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
362 struct e1000_vf_info *vfinfo =
363 *(E1000_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private));
365 /* only so many hash values supported */
366 entries = RTE_MIN(entries, E1000_MAX_VF_MC_ENTRIES);
369 * salt away the number of multi cast addresses assigned
370 * to this VF for later use to restore when the PF multi cast
373 vfinfo->num_vf_mc_hashes = (uint16_t)entries;
376 * VFs are limited to using the MTA hash table for their multicast
379 for (i = 0; i < entries; i++) {
380 vfinfo->vf_mc_hashes[i] = hash_list[i];
383 for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) {
384 vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F;
385 vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F;
386 mta_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, vector_reg);
387 mta_reg |= (1 << vector_bit);
388 E1000_WRITE_REG_ARRAY(hw, E1000_MTA, vector_reg, mta_reg);
395 igb_vf_set_vlan(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
398 struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
399 struct e1000_vf_info *vfinfo =
400 *(E1000_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private));
401 uint32_t vid_idx, vid_bit, vfta;
403 add = (msgbuf[0] & E1000_VT_MSGINFO_MASK)
404 >> E1000_VT_MSGINFO_SHIFT;
405 vid = (msgbuf[1] & E1000_VLVF_VLANID_MASK);
408 vfinfo[vf].vlan_count++;
409 else if (vfinfo[vf].vlan_count)
410 vfinfo[vf].vlan_count--;
412 vid_idx = (uint32_t)((vid >> E1000_VFTA_ENTRY_SHIFT) &
413 E1000_VFTA_ENTRY_MASK);
414 vid_bit = (uint32_t)(1 << (vid & E1000_VFTA_ENTRY_BIT_SHIFT_MASK));
415 vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, vid_idx);
421 E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, vid_idx, vfta);
422 E1000_WRITE_FLUSH(hw);
428 igb_vf_set_rlpml(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
430 struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
431 uint16_t rlpml = msgbuf[1] & E1000_VMOLR_RLPML_MASK;
432 uint32_t max_frame = rlpml + ETHER_HDR_LEN + ETHER_CRC_LEN;
435 if ((max_frame < ETHER_MIN_LEN) || (max_frame > ETHER_MAX_JUMBO_FRAME_LEN))
438 vmolr = E1000_READ_REG(hw, E1000_VMOLR(vf));
440 vmolr &= ~E1000_VMOLR_RLPML_MASK;
443 /* Enable Long Packet support */
444 vmolr |= E1000_VMOLR_LPE;
446 E1000_WRITE_REG(hw, E1000_VMOLR(vf), vmolr);
447 E1000_WRITE_FLUSH(hw);
453 igb_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf)
455 uint16_t mbx_size = E1000_VFMAILBOX_SIZE;
456 uint32_t msgbuf[E1000_VFMAILBOX_SIZE];
458 struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
460 retval = e1000_read_mbx(hw, msgbuf, mbx_size, vf);
462 PMD_INIT_LOG(ERR, "Error mbx recv msg from VF %d", vf);
466 /* do nothing with the message already processed */
467 if (msgbuf[0] & (E1000_VT_MSGTYPE_ACK | E1000_VT_MSGTYPE_NACK))
470 /* flush the ack before we write any messages back */
471 E1000_WRITE_FLUSH(hw);
473 /* perform VF reset */
474 if (msgbuf[0] == E1000_VF_RESET) {
475 return igb_vf_reset(dev, vf, msgbuf);
478 /* check & process VF to PF mailbox message */
479 switch ((msgbuf[0] & 0xFFFF)) {
480 case E1000_VF_SET_MAC_ADDR:
481 retval = igb_vf_set_mac_addr(dev, vf, msgbuf);
483 case E1000_VF_SET_MULTICAST:
484 retval = igb_vf_set_multicast(dev, vf, msgbuf);
486 case E1000_VF_SET_LPE:
487 retval = igb_vf_set_rlpml(dev, vf, msgbuf);
489 case E1000_VF_SET_VLAN:
490 retval = igb_vf_set_vlan(dev, vf, msgbuf);
493 PMD_INIT_LOG(DEBUG, "Unhandled Msg %8.8x",
494 (unsigned) msgbuf[0]);
495 retval = E1000_ERR_MBX;
499 /* response the VF according to the message process result */
501 msgbuf[0] |= E1000_VT_MSGTYPE_NACK;
503 msgbuf[0] |= E1000_VT_MSGTYPE_ACK;
505 msgbuf[0] |= E1000_VT_MSGTYPE_CTS;
507 e1000_write_mbx(hw, msgbuf, 1, vf);
513 igb_rcv_ack_from_vf(struct rte_eth_dev *dev, uint16_t vf)
515 uint32_t msg = E1000_VT_MSGTYPE_NACK;
516 struct e1000_hw *hw =
517 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
519 e1000_write_mbx(hw, &msg, 1, vf);
522 void igb_pf_mbx_process(struct rte_eth_dev *eth_dev)
525 struct e1000_hw *hw =
526 E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
528 for (vf = 0; vf < dev_num_vf(eth_dev); vf++) {
529 /* check & process vf function level reset */
530 if (!e1000_check_for_rst(hw, vf))
531 igb_vf_reset_event(eth_dev, vf);
533 /* check & process vf mailbox messages */
534 if (!e1000_check_for_msg(hw, vf))
535 igb_rcv_msg_from_vf(eth_dev, vf);
537 /* check & process acks from vf */
538 if (!e1000_check_for_ack(hw, vf))
539 igb_rcv_ack_from_vf(eth_dev, vf);