mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550;
mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550a;
mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550a;
- mac->ops.setup_fc = ixgbe_setup_fc_x550a;
- mac->ops.fc_autoneg = ixgbe_fc_autoneg_x550a;
+
+ switch (mac->ops.get_media_type(hw)) {
+ case ixgbe_media_type_fiber:
+ mac->ops.setup_fc = ixgbe_setup_fc_fiber_x550em_a;
+ mac->ops.fc_autoneg = ixgbe_fc_autoneg_fiber_x550em_a;
+ break;
+ case ixgbe_media_type_backplane:
+ mac->ops.fc_autoneg = ixgbe_fc_autoneg_backplane_x550em_a;
+ mac->ops.setup_fc = ixgbe_setup_fc_backplane_x550em_a;
+ break;
+ default:
+ break;
+ }
return ret_val;
}
/* Configure DMA coalescing enabled */
switch (hw->mac.dmac_config.link_speed) {
+ case IXGBE_LINK_SPEED_10_FULL:
case IXGBE_LINK_SPEED_100_FULL:
pb_headroom = IXGBE_DMACRXT_100M;
break;
return ixgbe_setup_m88(hw);
out:
+ hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0);
hw->mac.ops.release_swfw_sync(hw, mask);
return rc;
}
}
/**
- * ixgbe_fc_autoneg_x550a - Enable flow control IEEE clause 37
+ * ixgbe_fc_autoneg_backplane_x550em_a - Enable flow control IEEE clause 37
* @hw: pointer to hardware structure
*
* Enable flow control according to IEEE clause 37.
**/
-void ixgbe_fc_autoneg_x550a(struct ixgbe_hw *hw)
+void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *hw)
{
u32 link_s1, lp_an_page_low, an_cntl_1;
s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED;
if (status != IXGBE_SUCCESS ||
(link_s1 & IXGBE_KRM_LINK_S1_MAC_AN_COMPLETE) == 0) {
DEBUGOUT("Auto-Negotiation did not complete\n");
+ status = IXGBE_ERR_FC_NOT_NEGOTIATED;
goto out;
}
}
/**
- * ixgbe_setup_fc_x550em - Set up flow control
+ * ixgbe_fc_autoneg_fiber_x550em_a - Enable flow control IEEE clause 37
+ * @hw: pointer to hardware structure
+ *
+ * Enable flow control according to IEEE clause 37.
+ **/
+void ixgbe_fc_autoneg_fiber_x550em_a(struct ixgbe_hw *hw)
+{
+ u32 link_s1, pcs_an_lp, pcs_an;
+ s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ ixgbe_link_speed speed;
+ bool link_up;
+
+ /* AN should have completed when the cable was plugged in.
+ * Look for reasons to bail out. Bail out if:
+ * - FC autoneg is disabled, or if
+ * - link is not up.
+ */
+ if (hw->fc.disable_fc_autoneg) {
+ ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
+ "Flow control autoneg is disabled");
+ goto out;
+ }
+
+ hw->mac.ops.check_link(hw, &speed, &link_up, false);
+ if (!link_up) {
+ ERROR_REPORT1(IXGBE_ERROR_SOFTWARE, "The link is down");
+ goto out;
+ }
+
+ /* Check if auto-negotiation has completed */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_S1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &link_s1);
+
+ if (status != IXGBE_SUCCESS ||
+ (link_s1 & IXGBE_KRM_LINK_S1_MAC_AN_COMPLETE) == 0) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ goto out;
+ }
+
+ /* Determine advertised flow control */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PCS_KX_AN(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &pcs_an);
+
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ goto out;
+ }
+
+ /* Determine link parter flow control */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PCS_KX_AN_LP(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &pcs_an_lp);
+
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ goto out;
+ }
+
+ status = ixgbe_negotiate_fc(hw, pcs_an, pcs_an_lp,
+ IXGBE_KRM_PCS_KX_AN_SYM_PAUSE,
+ IXGBE_KRM_PCS_KX_AN_ASM_PAUSE,
+ IXGBE_KRM_PCS_KX_AN_LP_SYM_PAUSE,
+ IXGBE_KRM_PCS_KX_AN_LP_ASM_PAUSE);
+
+out:
+ if (status == IXGBE_SUCCESS) {
+ hw->fc.fc_was_autonegged = true;
+ } else {
+ hw->fc.fc_was_autonegged = false;
+ hw->fc.current_mode = hw->fc.requested_mode;
+ }
+}
+
+/**
+ * ixgbe_setup_fc_backplane_x550em_a - Set up flow control
* @hw: pointer to hardware structure
*
* Called at init time to set up flow control.
**/
-s32 ixgbe_setup_fc_x550a(struct ixgbe_hw *hw)
+s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw)
{
s32 status = IXGBE_SUCCESS;
u32 an_cntl, link_ctrl = 0;
- DEBUGFUNC("ixgbe_setup_fc_x550em");
+ DEBUGFUNC("ixgbe_setup_fc_backplane_x550em_a");
/* Validate the requested mode */
if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
return status;
}
+/**
+ * ixgbe_setup_fc_fiber_x550em_a - Set up flow control
+ * @hw: pointer to hardware structure
+ *
+ * Called at init time to set up flow control.
+ **/
+s32 ixgbe_setup_fc_fiber_x550em_a(struct ixgbe_hw *hw)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+ s32 rc = IXGBE_SUCCESS;
+ u32 an_cntl4, lctrl, pcs_an;
+
+ DEBUGFUNC("ixgbe_setup_fc_fiber_x550em_a");
+
+ /* Validate the requested mode */
+ if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
+ ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
+ "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
+ return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ }
+
+ /* Enable clause 37 auto-negotiation in KRM_LINK_CTRL_1 */
+ if (hw->fc.requested_mode == ixgbe_fc_default)
+ hw->fc.requested_mode = ixgbe_fc_full;
+
+ rc = mac->ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &lctrl);
+ if (rc)
+ return rc;
+
+ lctrl |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
+ lctrl |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CLAUSE_37_EN;
+
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, lctrl);
+ if (rc)
+ return rc;
+
+ /* Enable clause 37 over 73 in KRM_AN_CNTL_4 */
+ rc = mac->ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_4(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &an_cntl4);
+ if (rc)
+ return rc;
+
+ an_cntl4 |= IXGBE_KRM_AN_CNTL_4_ECSR_AN37_OVER_73;
+
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_4(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, an_cntl4);
+ if (rc)
+ return rc;
+
+ rc = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PCS_KX_AN(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &pcs_an);
+
+ if (rc)
+ return rc;
+
+ /* The possible values of fc.requested_mode are:
+ * 0: Flow control is completely disabled
+ * 1: Rx flow control is enabled (we can receive pause frames,
+ * but not send pause frames).
+ * 2: Tx flow control is enabled (we can send pause frames but
+ * we do not support receiving pause frames).
+ * 3: Both Rx and Tx flow control (symmetric) are enabled.
+ * other: Invalid.
+ */
+ switch (hw->fc.requested_mode) {
+ case ixgbe_fc_none:
+ /* Flow control completely disabled by software override. */
+ pcs_an &= ~(IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
+ IXGBE_KRM_AN_CNTL_1_ASM_PAUSE);
+ break;
+ case ixgbe_fc_tx_pause:
+ /* Tx Flow control is enabled, and Rx Flow control is
+ * disabled by software override.
+ */
+ pcs_an |= IXGBE_KRM_PCS_KX_AN_ASM_PAUSE;
+ pcs_an &= ~IXGBE_KRM_PCS_KX_AN_SYM_PAUSE;
+ break;
+ case ixgbe_fc_rx_pause:
+ /* Rx Flow control is enabled and Tx Flow control is
+ * disabled by software override. Since there really
+ * isn't a way to advertise that we are capable of RX
+ * Pause ONLY, we will advertise that we support both
+ * symmetric and asymmetric Rx PAUSE, as such we fall
+ * through to the fc_full statement. Later, we will
+ * disable the adapter's ability to send PAUSE frames.
+ */
+ case ixgbe_fc_full:
+ /* Flow control (both Rx and Tx) is enabled by SW override. */
+ pcs_an |= IXGBE_KRM_PCS_KX_AN_SYM_PAUSE |
+ IXGBE_KRM_PCS_KX_AN_ASM_PAUSE;
+ break;
+ default:
+ ERROR_REPORT1(IXGBE_ERROR_ARGUMENT,
+ "Flow control param set incorrectly\n");
+ return IXGBE_ERR_CONFIG;
+ }
+
+ rc = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_PCS_KX_AN(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, pcs_an);
+
+ /* Restart auto-negotiation. */
+ rc = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &lctrl);
+
+ if (rc) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ return rc;
+ }
+
+ lctrl |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
+ rc = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, lctrl);
+
+ return rc;
+}
+
/**
* ixgbe_set_mux - Set mux for port 1 access with CS4227
* @hw: pointer to hardware structure
git.droids-corp.org / dpdk.git / blobdiff