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linux/drivers/net/ethernet/intel/i40evf/i40e_common.c
Shannon Nelson f905dd62be i40e/i40evf: add max buf len to aq debug print helper 
There is at least one case in the Firmware API where the response to a
command changes the buffer size field in the AQ descriptor to a larger
number than what the request's buffer size started as.  This is in addition
to setting an error flag and is in order to tell the requester how much
larger a buffer is required for the answer.  We need to be sure not to
use that number when dumping the contents of the data buffer because it
can send us into the weeds and generate an invalid pointer exception.

This patch adds a max buffer size parameter to the print helper to be
sure the code knows when to stop.

Change-ID: Ib84f7ed72140fe9d600086d8f2002fc5d8753092
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-08-27 00:40:14 -07:00

629 lines
22 KiB
C
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/*******************************************************************************
*
* Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
* Copyright(c) 2013 - 2014 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
******************************************************************************/
#include "i40e_type.h"
#include "i40e_adminq.h"
#include "i40e_prototype.h"
#include "i40e_virtchnl.h"
/**
* i40e_set_mac_type - Sets MAC type
* @hw: pointer to the HW structure
*
* This function sets the mac type of the adapter based on the
* vendor ID and device ID stored in the hw structure.
**/
i40e_status i40e_set_mac_type(struct i40e_hw *hw)
{
i40e_status status = 0;
if (hw->vendor_id == PCI_VENDOR_ID_INTEL) {
switch (hw->device_id) {
case I40E_DEV_ID_SFP_XL710:
case I40E_DEV_ID_QEMU:
case I40E_DEV_ID_KX_A:
case I40E_DEV_ID_KX_B:
case I40E_DEV_ID_KX_C:
case I40E_DEV_ID_QSFP_A:
case I40E_DEV_ID_QSFP_B:
case I40E_DEV_ID_QSFP_C:
hw->mac.type = I40E_MAC_XL710;
break;
case I40E_DEV_ID_VF:
case I40E_DEV_ID_VF_HV:
hw->mac.type = I40E_MAC_VF;
break;
default:
hw->mac.type = I40E_MAC_GENERIC;
break;
}
} else {
status = I40E_ERR_DEVICE_NOT_SUPPORTED;
}
hw_dbg(hw, "i40e_set_mac_type found mac: %d, returns: %d\n",
hw->mac.type, status);
return status;
}
/**
* i40evf_debug_aq
* @hw: debug mask related to admin queue
* @mask: debug mask
* @desc: pointer to admin queue descriptor
* @buffer: pointer to command buffer
* @buf_len: max length of buffer
*
* Dumps debug log about adminq command with descriptor contents.
**/
void i40evf_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
void *buffer, u16 buf_len)
{
struct i40e_aq_desc *aq_desc = (struct i40e_aq_desc *)desc;
u16 len = le16_to_cpu(aq_desc->datalen);
u8 *aq_buffer = (u8 *)buffer;
u32 data[4];
u32 i = 0;
if ((!(mask & hw->debug_mask)) || (desc == NULL))
return;
i40e_debug(hw, mask,
"AQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n",
aq_desc->opcode, aq_desc->flags, aq_desc->datalen,
aq_desc->retval);
i40e_debug(hw, mask, "\tcookie (h,l) 0x%08X 0x%08X\n",
aq_desc->cookie_high, aq_desc->cookie_low);
i40e_debug(hw, mask, "\tparam (0,1) 0x%08X 0x%08X\n",
aq_desc->params.internal.param0,
aq_desc->params.internal.param1);
i40e_debug(hw, mask, "\taddr (h,l) 0x%08X 0x%08X\n",
aq_desc->params.external.addr_high,
aq_desc->params.external.addr_low);
if ((buffer != NULL) && (aq_desc->datalen != 0)) {
memset(data, 0, sizeof(data));
i40e_debug(hw, mask, "AQ CMD Buffer:\n");
if (buf_len < len)
len = buf_len;
for (i = 0; i < len; i++) {
data[((i % 16) / 4)] |=
((u32)aq_buffer[i]) << (8 * (i % 4));
if ((i % 16) == 15) {
i40e_debug(hw, mask,
"\t0x%04X %08X %08X %08X %08X\n",
i - 15, data[0], data[1], data[2],
data[3]);
memset(data, 0, sizeof(data));
}
}
if ((i % 16) != 0)
i40e_debug(hw, mask, "\t0x%04X %08X %08X %08X %08X\n",
i - (i % 16), data[0], data[1], data[2],
data[3]);
}
}
/**
* i40evf_check_asq_alive
* @hw: pointer to the hw struct
*
* Returns true if Queue is enabled else false.
**/
bool i40evf_check_asq_alive(struct i40e_hw *hw)
{
if (hw->aq.asq.len)
return !!(rd32(hw, hw->aq.asq.len) &
I40E_PF_ATQLEN_ATQENABLE_MASK);
else
return false;
}
/**
* i40evf_aq_queue_shutdown
* @hw: pointer to the hw struct
* @unloading: is the driver unloading itself
*
* Tell the Firmware that we're shutting down the AdminQ and whether
* or not the driver is unloading as well.
**/
i40e_status i40evf_aq_queue_shutdown(struct i40e_hw *hw,
bool unloading)
{
struct i40e_aq_desc desc;
struct i40e_aqc_queue_shutdown *cmd =
(struct i40e_aqc_queue_shutdown *)&desc.params.raw;
i40e_status status;
i40evf_fill_default_direct_cmd_desc(&desc,
i40e_aqc_opc_queue_shutdown);
if (unloading)
cmd->driver_unloading = cpu_to_le32(I40E_AQ_DRIVER_UNLOADING);
status = i40evf_asq_send_command(hw, &desc, NULL, 0, NULL);
return status;
}
/* The i40evf_ptype_lookup table is used to convert from the 8-bit ptype in the
* hardware to a bit-field that can be used by SW to more easily determine the
* packet type.
*
* Macros are used to shorten the table lines and make this table human
* readable.
*
* We store the PTYPE in the top byte of the bit field - this is just so that
* we can check that the table doesn't have a row missing, as the index into
* the table should be the PTYPE.
*
* Typical work flow:
*
* IF NOT i40evf_ptype_lookup[ptype].known
* THEN
* Packet is unknown
* ELSE IF i40evf_ptype_lookup[ptype].outer_ip == I40E_RX_PTYPE_OUTER_IP
* Use the rest of the fields to look at the tunnels, inner protocols, etc
* ELSE
* Use the enum i40e_rx_l2_ptype to decode the packet type
* ENDIF
*/
/* macro to make the table lines short */
#define I40E_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\
{ PTYPE, \
1, \
I40E_RX_PTYPE_OUTER_##OUTER_IP, \
I40E_RX_PTYPE_OUTER_##OUTER_IP_VER, \
I40E_RX_PTYPE_##OUTER_FRAG, \
I40E_RX_PTYPE_TUNNEL_##T, \
I40E_RX_PTYPE_TUNNEL_END_##TE, \
I40E_RX_PTYPE_##TEF, \
I40E_RX_PTYPE_INNER_PROT_##I, \
I40E_RX_PTYPE_PAYLOAD_LAYER_##PL }
#define I40E_PTT_UNUSED_ENTRY(PTYPE) \
{ PTYPE, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
/* shorter macros makes the table fit but are terse */
#define I40E_RX_PTYPE_NOF I40E_RX_PTYPE_NOT_FRAG
#define I40E_RX_PTYPE_FRG I40E_RX_PTYPE_FRAG
#define I40E_RX_PTYPE_INNER_PROT_TS I40E_RX_PTYPE_INNER_PROT_TIMESYNC
/* Lookup table mapping the HW PTYPE to the bit field for decoding */
struct i40e_rx_ptype_decoded i40evf_ptype_lookup[] = {
/* L2 Packet types */
I40E_PTT_UNUSED_ENTRY(0),
I40E_PTT(1, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
I40E_PTT(2, L2, NONE, NOF, NONE, NONE, NOF, TS, PAY2),
I40E_PTT(3, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
I40E_PTT_UNUSED_ENTRY(4),
I40E_PTT_UNUSED_ENTRY(5),
I40E_PTT(6, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
I40E_PTT(7, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
I40E_PTT_UNUSED_ENTRY(8),
I40E_PTT_UNUSED_ENTRY(9),
I40E_PTT(10, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),
I40E_PTT(11, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE),
I40E_PTT(12, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
I40E_PTT(13, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
I40E_PTT(14, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
I40E_PTT(15, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
I40E_PTT(16, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
I40E_PTT(17, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
I40E_PTT(18, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
I40E_PTT(19, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
I40E_PTT(20, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
I40E_PTT(21, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3),
/* Non Tunneled IPv4 */
I40E_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3),
I40E_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3),
I40E_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(25),
I40E_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP, PAY4),
I40E_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4),
I40E_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4),
/* IPv4 --> IPv4 */
I40E_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
I40E_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
I40E_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(32),
I40E_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP, PAY4),
I40E_PTT(34, IP, IPV4, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
I40E_PTT(35, IP, IPV4, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
/* IPv4 --> IPv6 */
I40E_PTT(36, IP, IPV4, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
I40E_PTT(37, IP, IPV4, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
I40E_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(39),
I40E_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP, PAY4),
I40E_PTT(41, IP, IPV4, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
I40E_PTT(42, IP, IPV4, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
/* IPv4 --> GRE/NAT */
I40E_PTT(43, IP, IPV4, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
/* IPv4 --> GRE/NAT --> IPv4 */
I40E_PTT(44, IP, IPV4, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
I40E_PTT(45, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
I40E_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(47),
I40E_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4),
I40E_PTT(49, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
I40E_PTT(50, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
/* IPv4 --> GRE/NAT --> IPv6 */
I40E_PTT(51, IP, IPV4, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
I40E_PTT(52, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
I40E_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(54),
I40E_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP, PAY4),
I40E_PTT(56, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
I40E_PTT(57, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
/* IPv4 --> GRE/NAT --> MAC */
I40E_PTT(58, IP, IPV4, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
/* IPv4 --> GRE/NAT --> MAC --> IPv4 */
I40E_PTT(59, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
I40E_PTT(60, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
I40E_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(62),
I40E_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP, PAY4),
I40E_PTT(64, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
I40E_PTT(65, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
/* IPv4 --> GRE/NAT -> MAC --> IPv6 */
I40E_PTT(66, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
I40E_PTT(67, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
I40E_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(69),
I40E_PTT(70, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP, PAY4),
I40E_PTT(71, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
I40E_PTT(72, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
/* IPv4 --> GRE/NAT --> MAC/VLAN */
I40E_PTT(73, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
/* IPv4 ---> GRE/NAT -> MAC/VLAN --> IPv4 */
I40E_PTT(74, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
I40E_PTT(75, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
I40E_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(77),
I40E_PTT(78, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP, PAY4),
I40E_PTT(79, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
I40E_PTT(80, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
/* IPv4 -> GRE/NAT -> MAC/VLAN --> IPv6 */
I40E_PTT(81, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
I40E_PTT(82, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
I40E_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(84),
I40E_PTT(85, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP, PAY4),
I40E_PTT(86, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
I40E_PTT(87, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
/* Non Tunneled IPv6 */
I40E_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3),
I40E_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3),
I40E_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP, PAY3),
I40E_PTT_UNUSED_ENTRY(91),
I40E_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP, PAY4),
I40E_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4),
I40E_PTT(94, IP, IPV6, NOF, NONE, NONE, NOF, ICMP, PAY4),
/* IPv6 --> IPv4 */
I40E_PTT(95, IP, IPV6, NOF, IP_IP, IPV4, FRG, NONE, PAY3),
I40E_PTT(96, IP, IPV6, NOF, IP_IP, IPV4, NOF, NONE, PAY3),
I40E_PTT(97, IP, IPV6, NOF, IP_IP, IPV4, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(98),
I40E_PTT(99, IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP, PAY4),
I40E_PTT(100, IP, IPV6, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),
I40E_PTT(101, IP, IPV6, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),
/* IPv6 --> IPv6 */
I40E_PTT(102, IP, IPV6, NOF, IP_IP, IPV6, FRG, NONE, PAY3),
I40E_PTT(103, IP, IPV6, NOF, IP_IP, IPV6, NOF, NONE, PAY3),
I40E_PTT(104, IP, IPV6, NOF, IP_IP, IPV6, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(105),
I40E_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP, PAY4),
I40E_PTT(107, IP, IPV6, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),
I40E_PTT(108, IP, IPV6, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),
/* IPv6 --> GRE/NAT */
I40E_PTT(109, IP, IPV6, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),
/* IPv6 --> GRE/NAT -> IPv4 */
I40E_PTT(110, IP, IPV6, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),
I40E_PTT(111, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),
I40E_PTT(112, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(113),
I40E_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4),
I40E_PTT(115, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),
I40E_PTT(116, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),
/* IPv6 --> GRE/NAT -> IPv6 */
I40E_PTT(117, IP, IPV6, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),
I40E_PTT(118, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),
I40E_PTT(119, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(120),
I40E_PTT(121, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, TCP, PAY4),
I40E_PTT(122, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),
I40E_PTT(123, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),
/* IPv6 --> GRE/NAT -> MAC */
I40E_PTT(124, IP, IPV6, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),
/* IPv6 --> GRE/NAT -> MAC -> IPv4 */
I40E_PTT(125, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),
I40E_PTT(126, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),
I40E_PTT(127, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(128),
I40E_PTT(129, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP, PAY4),
I40E_PTT(130, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),
I40E_PTT(131, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),
/* IPv6 --> GRE/NAT -> MAC -> IPv6 */
I40E_PTT(132, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),
I40E_PTT(133, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),
I40E_PTT(134, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(135),
I40E_PTT(136, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP, PAY4),
I40E_PTT(137, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),
I40E_PTT(138, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),
/* IPv6 --> GRE/NAT -> MAC/VLAN */
I40E_PTT(139, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),
/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv4 */
I40E_PTT(140, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),
I40E_PTT(141, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),
I40E_PTT(142, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(143),
I40E_PTT(144, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP, PAY4),
I40E_PTT(145, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),
I40E_PTT(146, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),
/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv6 */
I40E_PTT(147, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),
I40E_PTT(148, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),
I40E_PTT(149, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP, PAY4),
I40E_PTT_UNUSED_ENTRY(150),
I40E_PTT(151, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP, PAY4),
I40E_PTT(152, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),
I40E_PTT(153, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
/* unused entries */
I40E_PTT_UNUSED_ENTRY(154),
I40E_PTT_UNUSED_ENTRY(155),
I40E_PTT_UNUSED_ENTRY(156),
I40E_PTT_UNUSED_ENTRY(157),
I40E_PTT_UNUSED_ENTRY(158),
I40E_PTT_UNUSED_ENTRY(159),
I40E_PTT_UNUSED_ENTRY(160),
I40E_PTT_UNUSED_ENTRY(161),
I40E_PTT_UNUSED_ENTRY(162),
I40E_PTT_UNUSED_ENTRY(163),
I40E_PTT_UNUSED_ENTRY(164),
I40E_PTT_UNUSED_ENTRY(165),
I40E_PTT_UNUSED_ENTRY(166),
I40E_PTT_UNUSED_ENTRY(167),
I40E_PTT_UNUSED_ENTRY(168),
I40E_PTT_UNUSED_ENTRY(169),
I40E_PTT_UNUSED_ENTRY(170),
I40E_PTT_UNUSED_ENTRY(171),
I40E_PTT_UNUSED_ENTRY(172),
I40E_PTT_UNUSED_ENTRY(173),
I40E_PTT_UNUSED_ENTRY(174),
I40E_PTT_UNUSED_ENTRY(175),
I40E_PTT_UNUSED_ENTRY(176),
I40E_PTT_UNUSED_ENTRY(177),
I40E_PTT_UNUSED_ENTRY(178),
I40E_PTT_UNUSED_ENTRY(179),
I40E_PTT_UNUSED_ENTRY(180),
I40E_PTT_UNUSED_ENTRY(181),
I40E_PTT_UNUSED_ENTRY(182),
I40E_PTT_UNUSED_ENTRY(183),
I40E_PTT_UNUSED_ENTRY(184),
I40E_PTT_UNUSED_ENTRY(185),
I40E_PTT_UNUSED_ENTRY(186),
I40E_PTT_UNUSED_ENTRY(187),
I40E_PTT_UNUSED_ENTRY(188),
I40E_PTT_UNUSED_ENTRY(189),
I40E_PTT_UNUSED_ENTRY(190),
I40E_PTT_UNUSED_ENTRY(191),
I40E_PTT_UNUSED_ENTRY(192),
I40E_PTT_UNUSED_ENTRY(193),
I40E_PTT_UNUSED_ENTRY(194),
I40E_PTT_UNUSED_ENTRY(195),
I40E_PTT_UNUSED_ENTRY(196),
I40E_PTT_UNUSED_ENTRY(197),
I40E_PTT_UNUSED_ENTRY(198),
I40E_PTT_UNUSED_ENTRY(199),
I40E_PTT_UNUSED_ENTRY(200),
I40E_PTT_UNUSED_ENTRY(201),
I40E_PTT_UNUSED_ENTRY(202),
I40E_PTT_UNUSED_ENTRY(203),
I40E_PTT_UNUSED_ENTRY(204),
I40E_PTT_UNUSED_ENTRY(205),
I40E_PTT_UNUSED_ENTRY(206),
I40E_PTT_UNUSED_ENTRY(207),
I40E_PTT_UNUSED_ENTRY(208),
I40E_PTT_UNUSED_ENTRY(209),
I40E_PTT_UNUSED_ENTRY(210),
I40E_PTT_UNUSED_ENTRY(211),
I40E_PTT_UNUSED_ENTRY(212),
I40E_PTT_UNUSED_ENTRY(213),
I40E_PTT_UNUSED_ENTRY(214),
I40E_PTT_UNUSED_ENTRY(215),
I40E_PTT_UNUSED_ENTRY(216),
I40E_PTT_UNUSED_ENTRY(217),
I40E_PTT_UNUSED_ENTRY(218),
I40E_PTT_UNUSED_ENTRY(219),
I40E_PTT_UNUSED_ENTRY(220),
I40E_PTT_UNUSED_ENTRY(221),
I40E_PTT_UNUSED_ENTRY(222),
I40E_PTT_UNUSED_ENTRY(223),
I40E_PTT_UNUSED_ENTRY(224),
I40E_PTT_UNUSED_ENTRY(225),
I40E_PTT_UNUSED_ENTRY(226),
I40E_PTT_UNUSED_ENTRY(227),
I40E_PTT_UNUSED_ENTRY(228),
I40E_PTT_UNUSED_ENTRY(229),
I40E_PTT_UNUSED_ENTRY(230),
I40E_PTT_UNUSED_ENTRY(231),
I40E_PTT_UNUSED_ENTRY(232),
I40E_PTT_UNUSED_ENTRY(233),
I40E_PTT_UNUSED_ENTRY(234),
I40E_PTT_UNUSED_ENTRY(235),
I40E_PTT_UNUSED_ENTRY(236),
I40E_PTT_UNUSED_ENTRY(237),
I40E_PTT_UNUSED_ENTRY(238),
I40E_PTT_UNUSED_ENTRY(239),
I40E_PTT_UNUSED_ENTRY(240),
I40E_PTT_UNUSED_ENTRY(241),
I40E_PTT_UNUSED_ENTRY(242),
I40E_PTT_UNUSED_ENTRY(243),
I40E_PTT_UNUSED_ENTRY(244),
I40E_PTT_UNUSED_ENTRY(245),
I40E_PTT_UNUSED_ENTRY(246),
I40E_PTT_UNUSED_ENTRY(247),
I40E_PTT_UNUSED_ENTRY(248),
I40E_PTT_UNUSED_ENTRY(249),
I40E_PTT_UNUSED_ENTRY(250),
I40E_PTT_UNUSED_ENTRY(251),
I40E_PTT_UNUSED_ENTRY(252),
I40E_PTT_UNUSED_ENTRY(253),
I40E_PTT_UNUSED_ENTRY(254),
I40E_PTT_UNUSED_ENTRY(255)
};
/**
* i40e_aq_send_msg_to_pf
* @hw: pointer to the hardware structure
* @v_opcode: opcodes for VF-PF communication
* @v_retval: return error code
* @msg: pointer to the msg buffer
* @msglen: msg length
* @cmd_details: pointer to command details
*
* Send message to PF driver using admin queue. By default, this message
* is sent asynchronously, i.e. i40evf_asq_send_command() does not wait for
* completion before returning.
**/
i40e_status i40e_aq_send_msg_to_pf(struct i40e_hw *hw,
enum i40e_virtchnl_ops v_opcode,
i40e_status v_retval,
u8 *msg, u16 msglen,
struct i40e_asq_cmd_details *cmd_details)
{
struct i40e_aq_desc desc;
struct i40e_asq_cmd_details details;
i40e_status status;
i40evf_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_send_msg_to_pf);
desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_SI);
desc.cookie_high = cpu_to_le32(v_opcode);
desc.cookie_low = cpu_to_le32(v_retval);
if (msglen) {
desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF
| I40E_AQ_FLAG_RD));
if (msglen > I40E_AQ_LARGE_BUF)
desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
desc.datalen = cpu_to_le16(msglen);
}
if (!cmd_details) {
memset(&details, 0, sizeof(details));
details.async = true;
cmd_details = &details;
}
status = i40evf_asq_send_command(hw, &desc, msg, msglen, cmd_details);
return status;
}
/**
* i40e_vf_parse_hw_config
* @hw: pointer to the hardware structure
* @msg: pointer to the virtual channel VF resource structure
*
* Given a VF resource message from the PF, populate the hw struct
* with appropriate information.
**/
void i40e_vf_parse_hw_config(struct i40e_hw *hw,
struct i40e_virtchnl_vf_resource *msg)
{
struct i40e_virtchnl_vsi_resource *vsi_res;
int i;
vsi_res = &msg->vsi_res[0];
hw->dev_caps.num_vsis = msg->num_vsis;
hw->dev_caps.num_rx_qp = msg->num_queue_pairs;
hw->dev_caps.num_tx_qp = msg->num_queue_pairs;
hw->dev_caps.num_msix_vectors_vf = msg->max_vectors;
hw->dev_caps.dcb = msg->vf_offload_flags &
I40E_VIRTCHNL_VF_OFFLOAD_L2;
hw->dev_caps.fcoe = (msg->vf_offload_flags &
I40E_VIRTCHNL_VF_OFFLOAD_FCOE) ? 1 : 0;
for (i = 0; i < msg->num_vsis; i++) {
if (vsi_res->vsi_type == I40E_VSI_SRIOV) {
memcpy(hw->mac.perm_addr, vsi_res->default_mac_addr,
ETH_ALEN);
memcpy(hw->mac.addr, vsi_res->default_mac_addr,
ETH_ALEN);
}
vsi_res++;
}
}
/**
* i40e_vf_reset
* @hw: pointer to the hardware structure
*
* Send a VF_RESET message to the PF. Does not wait for response from PF
* as none will be forthcoming. Immediately after calling this function,
* the admin queue should be shut down and (optionally) reinitialized.
**/
i40e_status i40e_vf_reset(struct i40e_hw *hw)
{
return i40e_aq_send_msg_to_pf(hw, I40E_VIRTCHNL_OP_RESET_VF,
0, NULL, 0, NULL);
}
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