/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2015-2020
+ * Copyright(c) 2015-2020 Beijing WangXun Technology Co., Ltd.
+ * Copyright(c) 2010-2017 Intel Corporation
*/
#include "txgbe_mbx.h"
mac->get_mac_addr = txgbe_get_mac_addr_vf;
mac->stop_hw = txgbe_stop_hw_vf;
mac->negotiate_api_version = txgbevf_negotiate_api_version;
+ mac->update_mc_addr_list = txgbe_update_mc_addr_list_vf;
+
+ /* Link */
+ mac->check_link = txgbe_check_mac_link_vf;
/* RAR, Multicast, VLAN */
mac->set_rar = txgbe_set_rar_vf;
mac->set_uc_addr = txgbevf_set_uc_addr_vf;
+ mac->update_xcast_mode = txgbevf_update_xcast_mode;
+ mac->set_vfta = txgbe_set_vfta_vf;
+ mac->set_rlpml = txgbevf_rlpml_set_vf;
mac->max_tx_queues = 1;
mac->max_rx_queues = 1;
return 0;
}
+/**
+ * txgbe_mta_vector - Determines bit-vector in multicast table to set
+ * @hw: pointer to hardware structure
+ * @mc_addr: the multicast address
+ **/
+STATIC s32 txgbe_mta_vector(struct txgbe_hw *hw, u8 *mc_addr)
+{
+ u32 vector = 0;
+
+ switch (hw->mac.mc_filter_type) {
+ case 0: /* use bits [47:36] of the address */
+ vector = ((mc_addr[4] >> 4) | (((u16)mc_addr[5]) << 4));
+ break;
+ case 1: /* use bits [46:35] of the address */
+ vector = ((mc_addr[4] >> 3) | (((u16)mc_addr[5]) << 5));
+ break;
+ case 2: /* use bits [45:34] of the address */
+ vector = ((mc_addr[4] >> 2) | (((u16)mc_addr[5]) << 6));
+ break;
+ case 3: /* use bits [43:32] of the address */
+ vector = ((mc_addr[4]) | (((u16)mc_addr[5]) << 8));
+ break;
+ default: /* Invalid mc_filter_type */
+ DEBUGOUT("MC filter type param set incorrectly\n");
+ ASSERT(0);
+ break;
+ }
+
+ /* vector can only be 12-bits or boundary will be exceeded */
+ vector &= 0xFFF;
+ return vector;
+}
+
STATIC s32 txgbevf_write_msg_read_ack(struct txgbe_hw *hw, u32 *msg,
u32 *retmsg, u16 size)
{
return ret_val;
}
+/**
+ * txgbe_update_mc_addr_list_vf - Update Multicast addresses
+ * @hw: pointer to the HW structure
+ * @mc_addr_list: array of multicast addresses to program
+ * @mc_addr_count: number of multicast addresses to program
+ * @next: caller supplied function to return next address in list
+ * @clear: unused
+ *
+ * Updates the Multicast Table Array.
+ **/
+s32 txgbe_update_mc_addr_list_vf(struct txgbe_hw *hw, u8 *mc_addr_list,
+ u32 mc_addr_count, txgbe_mc_addr_itr next,
+ bool clear)
+{
+ struct txgbe_mbx_info *mbx = &hw->mbx;
+ u32 msgbuf[TXGBE_P2VMBX_SIZE];
+ u16 *vector_list = (u16 *)&msgbuf[1];
+ u32 vector;
+ u32 cnt, i;
+ u32 vmdq;
+
+ UNREFERENCED_PARAMETER(clear);
+
+ DEBUGFUNC("txgbe_update_mc_addr_list_vf");
+
+ /* Each entry in the list uses 1 16 bit word. We have 30
+ * 16 bit words available in our HW msg buffer (minus 1 for the
+ * msg type). That's 30 hash values if we pack 'em right. If
+ * there are more than 30 MC addresses to add then punt the
+ * extras for now and then add code to handle more than 30 later.
+ * It would be unusual for a server to request that many multi-cast
+ * addresses except for in large enterprise network environments.
+ */
+
+ DEBUGOUT("MC Addr Count = %d\n", mc_addr_count);
+
+ cnt = (mc_addr_count > 30) ? 30 : mc_addr_count;
+ msgbuf[0] = TXGBE_VF_SET_MULTICAST;
+ msgbuf[0] |= cnt << TXGBE_VT_MSGINFO_SHIFT;
+
+ for (i = 0; i < cnt; i++) {
+ vector = txgbe_mta_vector(hw, next(hw, &mc_addr_list, &vmdq));
+ DEBUGOUT("Hash value = 0x%03X\n", vector);
+ vector_list[i] = (u16)vector;
+ }
+
+ return mbx->write_posted(hw, msgbuf, TXGBE_P2VMBX_SIZE, 0);
+}
+
+/**
+ * txgbevf_update_xcast_mode - Update Multicast mode
+ * @hw: pointer to the HW structure
+ * @xcast_mode: new multicast mode
+ *
+ * Updates the Multicast Mode of VF.
+ **/
+s32 txgbevf_update_xcast_mode(struct txgbe_hw *hw, int xcast_mode)
+{
+ u32 msgbuf[2];
+ s32 err;
+
+ switch (hw->api_version) {
+ case txgbe_mbox_api_12:
+ /* New modes were introduced in 1.3 version */
+ if (xcast_mode > TXGBEVF_XCAST_MODE_ALLMULTI)
+ return TXGBE_ERR_FEATURE_NOT_SUPPORTED;
+ /* Fall through */
+ case txgbe_mbox_api_13:
+ break;
+ default:
+ return TXGBE_ERR_FEATURE_NOT_SUPPORTED;
+ }
+
+ msgbuf[0] = TXGBE_VF_UPDATE_XCAST_MODE;
+ msgbuf[1] = xcast_mode;
+
+ err = txgbevf_write_msg_read_ack(hw, msgbuf, msgbuf, 2);
+ if (err)
+ return err;
+
+ msgbuf[0] &= ~TXGBE_VT_MSGTYPE_CTS;
+ if (msgbuf[0] == (TXGBE_VF_UPDATE_XCAST_MODE | TXGBE_VT_MSGTYPE_NACK))
+ return TXGBE_ERR_FEATURE_NOT_SUPPORTED;
+ return 0;
+}
+
+/**
+ * txgbe_set_vfta_vf - Set/Unset vlan filter table address
+ * @hw: pointer to the HW structure
+ * @vlan: 12 bit VLAN ID
+ * @vind: unused by VF drivers
+ * @vlan_on: if true then set bit, else clear bit
+ * @vlvf_bypass: boolean flag indicating updating default pool is okay
+ *
+ * Turn on/off specified VLAN in the VLAN filter table.
+ **/
+s32 txgbe_set_vfta_vf(struct txgbe_hw *hw, u32 vlan, u32 vind,
+ bool vlan_on, bool vlvf_bypass)
+{
+ u32 msgbuf[2];
+ s32 ret_val;
+ UNREFERENCED_PARAMETER(vind, vlvf_bypass);
+
+ msgbuf[0] = TXGBE_VF_SET_VLAN;
+ msgbuf[1] = vlan;
+ /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
+ msgbuf[0] |= vlan_on << TXGBE_VT_MSGINFO_SHIFT;
+
+ ret_val = txgbevf_write_msg_read_ack(hw, msgbuf, msgbuf, 2);
+ if (!ret_val && (msgbuf[0] & TXGBE_VT_MSGTYPE_ACK))
+ return 0;
+
+ return ret_val | (msgbuf[0] & TXGBE_VT_MSGTYPE_NACK);
+}
+
/**
* txgbe_get_mac_addr_vf - Read device MAC address
* @hw: pointer to the HW structure
return ret_val;
}
+/**
+ * txgbe_check_mac_link_vf - Get link/speed status
+ * @hw: pointer to hardware structure
+ * @speed: pointer to link speed
+ * @link_up: true is link is up, false otherwise
+ * @autoneg_wait_to_complete: true when waiting for completion is needed
+ *
+ * Reads the links register to determine if link is up and the current speed
+ **/
+s32 txgbe_check_mac_link_vf(struct txgbe_hw *hw, u32 *speed,
+ bool *link_up, bool wait_to_complete)
+{
+ /**
+ * for a quick link status checking, wait_to_compelet == 0,
+ * skip PF link status checking
+ */
+ bool no_pflink_check = wait_to_complete == 0;
+ struct txgbe_mbx_info *mbx = &hw->mbx;
+ struct txgbe_mac_info *mac = &hw->mac;
+ s32 ret_val = 0;
+ u32 links_reg;
+ u32 in_msg = 0;
+
+ /* If we were hit with a reset drop the link */
+ if (!mbx->check_for_rst(hw, 0) || !mbx->timeout)
+ mac->get_link_status = true;
+
+ if (!mac->get_link_status)
+ goto out;
+
+ /* if link status is down no point in checking to see if pf is up */
+ links_reg = rd32(hw, TXGBE_VFSTATUS);
+ if (!(links_reg & TXGBE_VFSTATUS_UP))
+ goto out;
+
+ /* for SFP+ modules and DA cables it can take up to 500usecs
+ * before the link status is correct
+ */
+ if (mac->type == txgbe_mac_raptor_vf && wait_to_complete) {
+ if (po32m(hw, TXGBE_VFSTATUS, TXGBE_VFSTATUS_UP,
+ 0, NULL, 5, 100))
+ goto out;
+ }
+
+ switch (links_reg & TXGBE_VFSTATUS_BW_MASK) {
+ case TXGBE_VFSTATUS_BW_10G:
+ *speed = TXGBE_LINK_SPEED_10GB_FULL;
+ break;
+ case TXGBE_VFSTATUS_BW_1G:
+ *speed = TXGBE_LINK_SPEED_1GB_FULL;
+ break;
+ case TXGBE_VFSTATUS_BW_100M:
+ *speed = TXGBE_LINK_SPEED_100M_FULL;
+ break;
+ default:
+ *speed = TXGBE_LINK_SPEED_UNKNOWN;
+ }
+
+ if (no_pflink_check) {
+ if (*speed == TXGBE_LINK_SPEED_UNKNOWN)
+ mac->get_link_status = true;
+ else
+ mac->get_link_status = false;
+
+ goto out;
+ }
+
+ /* if the read failed it could just be a mailbox collision, best wait
+ * until we are called again and don't report an error
+ */
+ if (mbx->read(hw, &in_msg, 1, 0))
+ goto out;
+
+ if (!(in_msg & TXGBE_VT_MSGTYPE_CTS)) {
+ /* msg is not CTS and is NACK we must have lost CTS status */
+ if (in_msg & TXGBE_VT_MSGTYPE_NACK)
+ ret_val = -1;
+ goto out;
+ }
+
+ /* the pf is talking, if we timed out in the past we reinit */
+ if (!mbx->timeout) {
+ ret_val = -1;
+ goto out;
+ }
+
+ /* if we passed all the tests above then the link is up and we no
+ * longer need to check for link
+ */
+ mac->get_link_status = false;
+
+out:
+ *link_up = !mac->get_link_status;
+ return ret_val;
+}
+
+/**
+ * txgbevf_rlpml_set_vf - Set the maximum receive packet length
+ * @hw: pointer to the HW structure
+ * @max_size: value to assign to max frame size
+ **/
+s32 txgbevf_rlpml_set_vf(struct txgbe_hw *hw, u16 max_size)
+{
+ u32 msgbuf[2];
+ s32 retval;
+
+ msgbuf[0] = TXGBE_VF_SET_LPE;
+ msgbuf[1] = max_size;
+
+ retval = txgbevf_write_msg_read_ack(hw, msgbuf, msgbuf, 2);
+ if (retval)
+ return retval;
+ if ((msgbuf[0] & TXGBE_VF_SET_LPE) &&
+ (msgbuf[0] & TXGBE_VT_MSGTYPE_NACK))
+ return TXGBE_ERR_MBX;
+
+ return 0;
+}
+
/**
* txgbevf_negotiate_api_version - Negotiate supported API version
* @hw: pointer to the HW structure
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