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, 24 insertions, 12 deletions

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index 9b6b3d7304b6..53fb4fa61b40 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -2218,7 +2218,6 @@ int bnx2x_update_pfc(struct link_params *params,
 	 */
 	u32 val;
 	struct bnx2x *bp = params->bp;
-	int bnx2x_status = 0;
 	u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
 
 	if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
@@ -2232,7 +2231,7 @@ int bnx2x_update_pfc(struct link_params *params,
 	bnx2x_update_pfc_nig(params, vars, pfc_params);
 
 	if (!vars->link_up)
-		return bnx2x_status;
+		return 0;
 
 	DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
 
@@ -2246,7 +2245,7 @@ int bnx2x_update_pfc(struct link_params *params,
 		    == 0) {
 			DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
 			bnx2x_emac_enable(params, vars, 0);
-			return bnx2x_status;
+			return 0;
 		}
 		if (CHIP_IS_E2(bp))
 			bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
@@ -2260,7 +2259,7 @@ int bnx2x_update_pfc(struct link_params *params,
 			val = 1;
 		REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
 	}
-	return bnx2x_status;
+	return 0;
 }
 
 static int bnx2x_bmac1_enable(struct link_params *params,
@@ -3703,7 +3702,8 @@ static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
 					struct link_params *params,
 					struct link_vars *vars) {
-	u16 lane, i, cl72_ctrl, an_adv = 0;
+	u16 lane, i, cl72_ctrl, an_adv = 0, val;
+	u32 wc_lane_config;
 	struct bnx2x *bp = params->bp;
 	static struct bnx2x_reg_set reg_set[] = {
 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
@@ -3822,15 +3822,27 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
 		/* Enable Auto-Detect to support 1G over CL37 as well */
 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
-
+		wc_lane_config = REG_RD(bp, params->shmem_base +
+					offsetof(struct shmem_region, dev_info.
+					shared_hw_config.wc_lane_config));
+		bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+				MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
 		/* Force cl48 sync_status LOW to avoid getting stuck in CL73
 		 * parallel-detect loop when CL73 and CL37 are enabled.
 		 */
-		CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
-				  MDIO_AER_BLOCK_AER_REG, 0);
+		val |= 1 << 11;
+
+		/* Restore Polarity settings in case it was run over by
+		 * previous link owner
+		 */
+		if (wc_lane_config &
+		    (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
+			val |= 3 << 2;
+		else
+			val &= ~(3 << 2);
 		bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
-				 MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI, 0x0800);
-		bnx2x_set_aer_mmd(params, phy);
+				 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
+				 val);
 
 		bnx2x_disable_kr2(params, vars, phy);
 	}
@@ -6473,7 +6485,6 @@ int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
 static int bnx2x_link_initialize(struct link_params *params,
 				 struct link_vars *vars)
 {
-	int rc = 0;
 	u8 phy_index, non_ext_phy;
 	struct bnx2x *bp = params->bp;
 	/* In case of external phy existence, the line speed would be the
@@ -6546,7 +6557,7 @@ static int bnx2x_link_initialize(struct link_params *params,
 			NIG_STATUS_XGXS0_LINK_STATUS |
 			NIG_STATUS_SERDES0_LINK_STATUS |
 			NIG_MASK_MI_INT));
-	return rc;
+	return 0;
 }
 
 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
@@ -12461,6 +12472,7 @@ static int bnx2x_avoid_link_flap(struct link_params *params,
 	u32 dont_clear_stat, lfa_sts;
 	struct bnx2x *bp = params->bp;
 
+	bnx2x_set_mdio_emac_per_phy(bp, params);
 	/* Sync the link parameters */
 	bnx2x_link_status_update(params, vars);