Differential D4273 Diff 12434 sys/dev/ixgbe/ixgbe_vf.c

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sys/dev/ixgbe/ixgbe_vf.c

Show First 20 Lines • Show All 179 Lines • ▼ Show 20 Lines	s32 ixgbe_reset_hw_vf(struct ixgbe_hw *hw)
u32 msgbuf[IXGBE_VF_PERMADDR_MSG_LEN];		u32 msgbuf[IXGBE_VF_PERMADDR_MSG_LEN];
u8 addr = (u8 )(&msgbuf[1]);		u8 addr = (u8 )(&msgbuf[1]);

DEBUGFUNC("ixgbevf_reset_hw_vf");		DEBUGFUNC("ixgbevf_reset_hw_vf");

/* Call adapter stop to disable tx/rx and clear interrupts */		/* Call adapter stop to disable tx/rx and clear interrupts */
hw->mac.ops.stop_adapter(hw);		hw->mac.ops.stop_adapter(hw);

		/* reset the api version */
		hw->api_version = ixgbe_mbox_api_10;

DEBUGOUT("Issuing a function level reset to MAC\n");		DEBUGOUT("Issuing a function level reset to MAC\n");

IXGBE_VFWRITE_REG(hw, IXGBE_VFCTRL, IXGBE_CTRL_RST);		IXGBE_VFWRITE_REG(hw, IXGBE_VFCTRL, IXGBE_CTRL_RST);
IXGBE_WRITE_FLUSH(hw);		IXGBE_WRITE_FLUSH(hw);

msec_delay(50);		msec_delay(50);

Show All 22 Lines	s32 ixgbe_reset_hw_vf(struct ixgbe_hw *hw)
* also set up the mc_filter_type which is piggy backed		* also set up the mc_filter_type which is piggy backed
* on the mac address in word 3		* on the mac address in word 3
*/		*/
ret_val = mbx->ops.read_posted(hw, msgbuf,		ret_val = mbx->ops.read_posted(hw, msgbuf,
IXGBE_VF_PERMADDR_MSG_LEN, 0);		IXGBE_VF_PERMADDR_MSG_LEN, 0);
if (ret_val)		if (ret_val)
return ret_val;		return ret_val;

		msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;

if (msgbuf[0] != (IXGBE_VF_RESET \| IXGBE_VT_MSGTYPE_ACK) &&		if (msgbuf[0] != (IXGBE_VF_RESET \| IXGBE_VT_MSGTYPE_ACK) &&
msgbuf[0] != (IXGBE_VF_RESET \| IXGBE_VT_MSGTYPE_NACK))		msgbuf[0] != (IXGBE_VF_RESET \| IXGBE_VT_MSGTYPE_NACK))
return IXGBE_ERR_INVALID_MAC_ADDR;		return IXGBE_ERR_INVALID_MAC_ADDR;

memcpy(hw->mac.perm_addr, addr, IXGBE_ETH_LENGTH_OF_ADDRESS);		memcpy(hw->mac.perm_addr, addr, IXGBE_ETH_LENGTH_OF_ADDRESS);
hw->mac.mc_filter_type = msgbuf[IXGBE_VF_MC_TYPE_WORD];		hw->mac.mc_filter_type = msgbuf[IXGBE_VF_MC_TYPE_WORD];

return ret_val;		return ret_val;
▲ Show 20 Lines • Show All 427 Lines • ▼ Show 20 Lines	int ixgbevf_negotiate_api_version(struct ixgbe_hw *hw, int api)
}		}

return err;		return err;
}		}

int ixgbevf_get_queues(struct ixgbe_hw hw, unsigned int num_tcs,		int ixgbevf_get_queues(struct ixgbe_hw hw, unsigned int num_tcs,
unsigned int *default_tc)		unsigned int *default_tc)
{		{
UNREFERENCED_3PARAMETER(hw, num_tcs, default_tc);		int err;
return IXGBE_SUCCESS;		u32 msg[5];

		/* do nothing if API doesn't support ixgbevf_get_queues */
		switch (hw->api_version) {
		case ixgbe_mbox_api_11:
		break;
		default:
		return 0;
		}

		/* Fetch queue configuration from the PF */
		msg[0] = IXGBE_VF_GET_QUEUES;
		msg[1] = msg[2] = msg[3] = msg[4] = 0;
		err = hw->mbx.ops.write_posted(hw, msg, 5, 0);

		if (!err)
		err = hw->mbx.ops.read_posted(hw, msg, 5, 0);

		if (!err) {
		msg[0] &= ~IXGBE_VT_MSGTYPE_CTS;

		/*
		* if we we didn't get an ACK there must have been
		* some sort of mailbox error so we should treat it
		* as such
		*/
		if (msg[0] != (IXGBE_VF_GET_QUEUES \| IXGBE_VT_MSGTYPE_ACK))
		return IXGBE_ERR_MBX;

		/* record and validate values from message */
		hw->mac.max_tx_queues = msg[IXGBE_VF_TX_QUEUES];
		if (hw->mac.max_tx_queues == 0 \|\|
		hw->mac.max_tx_queues > IXGBE_VF_MAX_TX_QUEUES)
		hw->mac.max_tx_queues = IXGBE_VF_MAX_TX_QUEUES;

		hw->mac.max_rx_queues = msg[IXGBE_VF_RX_QUEUES];
		if (hw->mac.max_rx_queues == 0 \|\|
		hw->mac.max_rx_queues > IXGBE_VF_MAX_RX_QUEUES)
		hw->mac.max_rx_queues = IXGBE_VF_MAX_RX_QUEUES;

		*num_tcs = msg[IXGBE_VF_TRANS_VLAN];
		/* in case of unknown state assume we cannot tag frames */
		if (*num_tcs > hw->mac.max_rx_queues)
		*num_tcs = 1;

		*default_tc = msg[IXGBE_VF_DEF_QUEUE];
		/* default to queue 0 on out-of-bounds queue number */
		if (*default_tc >= hw->mac.max_tx_queues)
		*default_tc = 0;
		}

		return err;
}		}