Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Pull networking updates from David Miller:

 1) Seccomp BPF filters can now be JIT'd, from Alexei Starovoitov.

 2) Multiqueue support in xen-netback and xen-netfront, from Andrew J
    Benniston.

 3) Allow tweaking of aggregation settings in cdc_ncm driver, from Bjørn
    Mork.

 4) BPF now has a "random" opcode, from Chema Gonzalez.

 5) Add more BPF documentation and improve test framework, from Daniel
    Borkmann.

 6) Support TCP fastopen over ipv6, from Daniel Lee.

 7) Add software TSO helper functions and use them to support software
    TSO in mvneta and mv643xx_eth drivers.  From Ezequiel Garcia.

 8) Support software TSO in fec driver too, from Nimrod Andy.

 9) Add Broadcom SYSTEMPORT driver, from Florian Fainelli.

10) Handle broadcasts more gracefully over macvlan when there are large
    numbers of interfaces configured, from Herbert Xu.

11) Allow more control over fwmark used for non-socket based responses,
    from Lorenzo Colitti.

12) Do TCP congestion window limiting based upon measurements, from Neal
    Cardwell.

13) Support busy polling in SCTP, from Neal Horman.

14) Allow RSS key to be configured via ethtool, from Venkata Duvvuru.

15) Bridge promisc mode handling improvements from Vlad Yasevich.

16) Don't use inetpeer entries to implement ID generation any more, it
    performs poorly, from Eric Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1522 commits)
  rtnetlink: fix userspace API breakage for iproute2 < v3.9.0
  tcp: fixing TLP's FIN recovery
  net: fec: Add software TSO support
  net: fec: Add Scatter/gather support
  net: fec: Increase buffer descriptor entry number
  net: fec: Factorize feature setting
  net: fec: Enable IP header hardware checksum
  net: fec: Factorize the .xmit transmit function
  bridge: fix compile error when compiling without IPv6 support
  bridge: fix smatch warning / potential null pointer dereference
  via-rhine: fix full-duplex with autoneg disable
  bnx2x: Enlarge the dorq threshold for VFs
  bnx2x: Check for UNDI in uncommon branch
  bnx2x: Fix 1G-baseT link
  bnx2x: Fix link for KR with swapped polarity lane
  sctp: Fix sk_ack_backlog wrap-around problem
  net/core: Add VF link state control policy
  net/fsl: xgmac_mdio is dependent on OF_MDIO
  net/fsl: Make xgmac_mdio read error message useful
  net_sched: drr: warn when qdisc is not work conserving
  ...

1 files changed, 120 insertions, 21 deletions

diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index 922cdcc45c54..6e65f19dd6e5 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -43,12 +43,10 @@ static i40e_status i40e_set_mac_type(struct i40e_hw *hw)
 	if (hw->vendor_id == PCI_VENDOR_ID_INTEL) {
 		switch (hw->device_id) {
 		case I40E_DEV_ID_SFP_XL710:
-		case I40E_DEV_ID_SFP_X710:
 		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_KX_D:
 		case I40E_DEV_ID_QSFP_A:
 		case I40E_DEV_ID_QSFP_B:
 		case I40E_DEV_ID_QSFP_C:
@@ -133,7 +131,11 @@ void i40e_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
  **/
 bool i40e_check_asq_alive(struct i40e_hw *hw)
 {
-	return !!(rd32(hw, hw->aq.asq.len) & I40E_PF_ATQLEN_ATQENABLE_MASK);
+	if (hw->aq.asq.len)
+		return !!(rd32(hw, hw->aq.asq.len) &
+			  I40E_PF_ATQLEN_ATQENABLE_MASK);
+	else
+		return false;
 }
 
 /**
@@ -653,6 +655,36 @@ i40e_status i40e_get_mac_addr(struct i40e_hw *hw, u8 *mac_addr)
 }
 
 /**
+ * i40e_pre_tx_queue_cfg - pre tx queue configure
+ * @hw: pointer to the HW structure
+ * @queue: target pf queue index
+ * @enable: state change request
+ *
+ * Handles hw requirement to indicate intention to enable
+ * or disable target queue.
+ **/
+void i40e_pre_tx_queue_cfg(struct i40e_hw *hw, u32 queue, bool enable)
+{
+	u32 abs_queue_idx = hw->func_caps.base_queue + queue;
+	u32 reg_block = 0;
+	u32 reg_val;
+
+	if (abs_queue_idx >= 128)
+		reg_block = abs_queue_idx / 128;
+
+	reg_val = rd32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block));
+	reg_val &= ~I40E_GLLAN_TXPRE_QDIS_QINDX_MASK;
+	reg_val |= (abs_queue_idx << I40E_GLLAN_TXPRE_QDIS_QINDX_SHIFT);
+
+	if (enable)
+		reg_val |= I40E_GLLAN_TXPRE_QDIS_CLEAR_QDIS_MASK;
+	else
+		reg_val |= I40E_GLLAN_TXPRE_QDIS_SET_QDIS_MASK;
+
+	wr32(hw, I40E_GLLAN_TXPRE_QDIS(reg_block), reg_val);
+}
+
+/**
  * i40e_get_media_type - Gets media type
  * @hw: pointer to the hardware structure
  **/
@@ -699,7 +731,7 @@ static enum i40e_media_type i40e_get_media_type(struct i40e_hw *hw)
 }
 
 #define I40E_PF_RESET_WAIT_COUNT_A0	200
-#define I40E_PF_RESET_WAIT_COUNT	10
+#define I40E_PF_RESET_WAIT_COUNT	100
 /**
  * i40e_pf_reset - Reset the PF
  * @hw: pointer to the hardware structure
@@ -789,6 +821,9 @@ void i40e_clear_pxe_mode(struct i40e_hw *hw)
 {
 	u32 reg;
 
+	if (i40e_check_asq_alive(hw))
+		i40e_aq_clear_pxe_mode(hw, NULL);
+
 	/* Clear single descriptor fetch/write-back mode */
 	reg = rd32(hw, I40E_GLLAN_RCTL_0);
 
@@ -907,6 +942,33 @@ void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink)
 /* Admin command wrappers */
 
 /**
+ * i40e_aq_clear_pxe_mode
+ * @hw: pointer to the hw struct
+ * @cmd_details: pointer to command details structure or NULL
+ *
+ * Tell the firmware that the driver is taking over from PXE
+ **/
+i40e_status i40e_aq_clear_pxe_mode(struct i40e_hw *hw,
+				struct i40e_asq_cmd_details *cmd_details)
+{
+	i40e_status status;
+	struct i40e_aq_desc desc;
+	struct i40e_aqc_clear_pxe *cmd =
+		(struct i40e_aqc_clear_pxe *)&desc.params.raw;
+
+	i40e_fill_default_direct_cmd_desc(&desc,
+					  i40e_aqc_opc_clear_pxe_mode);
+
+	cmd->rx_cnt = 0x2;
+
+	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
+
+	wr32(hw, I40E_GLLAN_RCTL_0, 0x1);
+
+	return status;
+}
+
+/**
  * i40e_aq_set_link_restart_an
  * @hw: pointer to the hw struct
  * @cmd_details: pointer to command details structure or NULL
@@ -975,6 +1037,13 @@ i40e_status i40e_aq_get_link_info(struct i40e_hw *hw,
 	hw_link_info->an_info = resp->an_info;
 	hw_link_info->ext_info = resp->ext_info;
 	hw_link_info->loopback = resp->loopback;
+	hw_link_info->max_frame_size = le16_to_cpu(resp->max_frame_size);
+	hw_link_info->pacing = resp->config & I40E_AQ_CONFIG_PACING_MASK;
+
+	if (resp->config & I40E_AQ_CONFIG_CRC_ENA)
+		hw_link_info->crc_enable = true;
+	else
+		hw_link_info->crc_enable = false;
 
 	if (resp->command_flags & cpu_to_le16(I40E_AQ_LSE_ENABLE))
 		hw_link_info->lse_enable = true;
@@ -1021,8 +1090,6 @@ i40e_status i40e_aq_add_vsi(struct i40e_hw *hw,
 	cmd->vsi_flags = cpu_to_le16(vsi_ctx->flags);
 
 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
-	if (sizeof(vsi_ctx->info) > I40E_AQ_LARGE_BUF)
-		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
 
 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
 				    sizeof(vsi_ctx->info), cmd_details);
@@ -1163,8 +1230,6 @@ i40e_status i40e_aq_get_vsi_params(struct i40e_hw *hw,
 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
 
 	desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
-	if (sizeof(vsi_ctx->info) > I40E_AQ_LARGE_BUF)
-		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
 
 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
 				    sizeof(vsi_ctx->info), NULL);
@@ -1203,8 +1268,6 @@ i40e_status i40e_aq_update_vsi_params(struct i40e_hw *hw,
 	cmd->uplink_seid = cpu_to_le16(vsi_ctx->seid);
 
 	desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF | I40E_AQ_FLAG_RD));
-	if (sizeof(vsi_ctx->info) > I40E_AQ_LARGE_BUF)
-		desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
 
 	status = i40e_asq_send_command(hw, &desc, &vsi_ctx->info,
 				    sizeof(vsi_ctx->info), cmd_details);
@@ -1300,6 +1363,7 @@ i40e_status i40e_aq_send_driver_version(struct i40e_hw *hw,
 	struct i40e_aqc_driver_version *cmd =
 		(struct i40e_aqc_driver_version *)&desc.params.raw;
 	i40e_status status;
+	u16 len;
 
 	if (dv == NULL)
 		return I40E_ERR_PARAM;
@@ -1311,7 +1375,14 @@ i40e_status i40e_aq_send_driver_version(struct i40e_hw *hw,
 	cmd->driver_minor_ver = dv->minor_version;
 	cmd->driver_build_ver = dv->build_version;
 	cmd->driver_subbuild_ver = dv->subbuild_version;
-	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
+
+	len = 0;
+	while (len < sizeof(dv->driver_string) &&
+	       (dv->driver_string[len] < 0x80) &&
+	       dv->driver_string[len])
+		len++;
+	status = i40e_asq_send_command(hw, &desc, dv->driver_string,
+				       len, cmd_details);
 
 	return status;
 }
@@ -1900,6 +1971,12 @@ static void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff,
 		}
 	}
 
+	/* Software override ensuring FCoE is disabled if npar or mfp
+	 * mode because it is not supported in these modes.
+	 */
+	if (p->npar_enable || p->mfp_mode_1)
+		p->fcoe = false;
+
 	/* additional HW specific goodies that might
 	 * someday be HW version specific
 	 */
@@ -2094,8 +2171,8 @@ i40e_status i40e_aq_start_lldp(struct i40e_hw *hw,
  * @cmd_details: pointer to command details structure or NULL
  **/
 i40e_status i40e_aq_add_udp_tunnel(struct i40e_hw *hw,
-				u16 udp_port, u8 header_len,
-				u8 protocol_index, u8 *filter_index,
+				u16 udp_port, u8 protocol_index,
+				u8 *filter_index,
 				struct i40e_asq_cmd_details *cmd_details)
 {
 	struct i40e_aq_desc desc;
@@ -2253,6 +2330,35 @@ static i40e_status i40e_aq_tx_sched_cmd(struct i40e_hw *hw, u16 seid,
 }
 
 /**
+ * i40e_aq_config_vsi_bw_limit - Configure VSI BW Limit
+ * @hw: pointer to the hw struct
+ * @seid: VSI seid
+ * @credit: BW limit credits (0 = disabled)
+ * @max_credit: Max BW limit credits
+ * @cmd_details: pointer to command details structure or NULL
+ **/
+i40e_status i40e_aq_config_vsi_bw_limit(struct i40e_hw *hw,
+				u16 seid, u16 credit, u8 max_credit,
+				struct i40e_asq_cmd_details *cmd_details)
+{
+	struct i40e_aq_desc desc;
+	struct i40e_aqc_configure_vsi_bw_limit *cmd =
+		(struct i40e_aqc_configure_vsi_bw_limit *)&desc.params.raw;
+	i40e_status status;
+
+	i40e_fill_default_direct_cmd_desc(&desc,
+					  i40e_aqc_opc_configure_vsi_bw_limit);
+
+	cmd->vsi_seid = cpu_to_le16(seid);
+	cmd->credit = cpu_to_le16(credit);
+	cmd->max_credit = max_credit;
+
+	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
+
+	return status;
+}
+
+/**
  * i40e_aq_config_vsi_tc_bw - Config VSI BW Allocation per TC
  * @hw: pointer to the hw struct
  * @seid: VSI seid
@@ -2405,7 +2511,7 @@ static i40e_status i40e_validate_filter_settings(struct i40e_hw *hw,
 {
 	u32 fcoe_cntx_size, fcoe_filt_size;
 	u32 pe_cntx_size, pe_filt_size;
-	u32 fcoe_fmax, pe_fmax;
+	u32 fcoe_fmax;
 	u32 val;
 
 	/* Validate FCoE settings passed */
@@ -2480,13 +2586,6 @@ static i40e_status i40e_validate_filter_settings(struct i40e_hw *hw,
 	if (fcoe_filt_size + fcoe_cntx_size >  fcoe_fmax)
 		return I40E_ERR_INVALID_SIZE;
 
-	/* PEHSIZE + PEDSIZE should not be greater than PMPEXFMAX */
-	val = rd32(hw, I40E_GLHMC_PEXFMAX);
-	pe_fmax = (val & I40E_GLHMC_PEXFMAX_PMPEXFMAX_MASK)
-		   >> I40E_GLHMC_PEXFMAX_PMPEXFMAX_SHIFT;
-	if (pe_filt_size + pe_cntx_size >  pe_fmax)
-		return I40E_ERR_INVALID_SIZE;
-
 	return 0;
 }