diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig index 8be9eab73320..e930aa9a3cfb 100644 --- a/drivers/net/ethernet/broadcom/Kconfig +++ b/drivers/net/ethernet/broadcom/Kconfig @@ -139,6 +139,16 @@ config BNX2X_SRIOV Virtualization support in the 578xx and 57712 products. This allows for virtual function acceleration in virtual environments. +config BNX2X_VXLAN + bool "Virtual eXtensible Local Area Network support" + default n + depends on BNX2X && VXLAN && !(BNX2X=y && VXLAN=m) + ---help--- + This enables hardward offload support for VXLAN protocol over the + NetXtremeII series adapters. + Say Y here if you want to enable hardware offload support for + Virtual eXtensible Local Area Network (VXLAN) in the driver. + config BGMAC tristate "BCMA bus GBit core support" depends on BCMA_HOST_SOC && HAS_DMA && (BCM47XX || ARCH_BCM_5301X) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index e28c90c15e0b..ba936635322a 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -1392,6 +1392,8 @@ enum sp_rtnl_flag { BNX2X_SP_RTNL_HYPERVISOR_VLAN, BNX2X_SP_RTNL_TX_STOP, BNX2X_SP_RTNL_GET_DRV_VERSION, + BNX2X_SP_RTNL_ADD_VXLAN_PORT, + BNX2X_SP_RTNL_DEL_VXLAN_PORT, }; enum bnx2x_iov_flag { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index e18a0e4d3ed1..d276de328c5c 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -967,6 +967,8 @@ static inline int bnx2x_func_start(struct bnx2x *bp) else /* CHIP_IS_E1X */ start_params->network_cos_mode = FW_WRR; + start_params->vxlan_dst_port = cpu_to_le16(bp->vxlan_dst_port); + start_params->inner_rss = 1; if (IS_MF_UFP(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)) { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index eafd25d8142a..26fbfcc6f7db 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -10075,6 +10075,81 @@ static void bnx2x_parity_recover(struct bnx2x *bp) } } +#ifdef CONFIG_BNX2X_VXLAN +static int bnx2x_vxlan_port_update(struct bnx2x *bp, u16 port) +{ + struct bnx2x_func_switch_update_params *switch_update_params; + struct bnx2x_func_state_params func_params = {NULL}; + int rc; + + switch_update_params = &func_params.params.switch_update; + + /* Prepare parameters for function state transitions */ + __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags); + __set_bit(RAMROD_RETRY, &func_params.ramrod_flags); + + func_params.f_obj = &bp->func_obj; + func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE; + + /* Function parameters */ + __set_bit(BNX2X_F_UPDATE_TUNNEL_CFG_CHNG, + &switch_update_params->changes); + switch_update_params->vxlan_dst_port = port; + rc = bnx2x_func_state_change(bp, &func_params); + if (rc) + BNX2X_ERR("failed to change vxlan dst port to %d (rc = 0x%x)\n", + port, rc); + return rc; +} + +static void __bnx2x_add_vxlan_port(struct bnx2x *bp, u16 port) +{ + if (!netif_running(bp->dev)) + return; + + if (bp->vxlan_dst_port || !IS_PF(bp)) { + DP(BNX2X_MSG_SP, "Vxlan destination port limit reached\n"); + return; + } + + bp->vxlan_dst_port = port; + bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_ADD_VXLAN_PORT, 0); +} + +static void bnx2x_add_vxlan_port(struct net_device *netdev, + sa_family_t sa_family, __be16 port) +{ + struct bnx2x *bp = netdev_priv(netdev); + u16 t_port = ntohs(port); + + __bnx2x_add_vxlan_port(bp, t_port); +} + +static void __bnx2x_del_vxlan_port(struct bnx2x *bp, u16 port) +{ + if (!bp->vxlan_dst_port || bp->vxlan_dst_port != port || !IS_PF(bp)) { + DP(BNX2X_MSG_SP, "Invalid vxlan port\n"); + return; + } + + if (netif_running(bp->dev)) { + bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_DEL_VXLAN_PORT, 0); + } else { + bp->vxlan_dst_port = 0; + netdev_info(bp->dev, "Deleted vxlan dest port %d", port); + } +} + +static void bnx2x_del_vxlan_port(struct net_device *netdev, + sa_family_t sa_family, __be16 port) +{ + struct bnx2x *bp = netdev_priv(netdev); + u16 t_port = ntohs(port); + + __bnx2x_del_vxlan_port(bp, t_port); +} +#endif + static int bnx2x_close(struct net_device *dev); /* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is @@ -10083,6 +10158,9 @@ static int bnx2x_close(struct net_device *dev); static void bnx2x_sp_rtnl_task(struct work_struct *work) { struct bnx2x *bp = container_of(work, struct bnx2x, sp_rtnl_task.work); +#ifdef CONFIG_BNX2X_VXLAN + u16 port; +#endif rtnl_lock(); @@ -10181,6 +10259,27 @@ static void bnx2x_sp_rtnl_task(struct work_struct *work) &bp->sp_rtnl_state)) bnx2x_update_mng_version(bp); +#ifdef CONFIG_BNX2X_VXLAN + port = bp->vxlan_dst_port; + if (test_and_clear_bit(BNX2X_SP_RTNL_ADD_VXLAN_PORT, + &bp->sp_rtnl_state)) { + if (!bnx2x_vxlan_port_update(bp, port)) + netdev_info(bp->dev, "Added vxlan dest port %d", port); + else + bp->vxlan_dst_port = 0; + } + + if (test_and_clear_bit(BNX2X_SP_RTNL_DEL_VXLAN_PORT, + &bp->sp_rtnl_state)) { + if (!bnx2x_vxlan_port_update(bp, 0)) { + netdev_info(bp->dev, + "Deleted vxlan dest port %d", port); + bp->vxlan_dst_port = 0; + vxlan_get_rx_port(bp->dev); + } + } +#endif + /* work which needs rtnl lock not-taken (as it takes the lock itself and * can be called from other contexts as well) */ @@ -12379,6 +12478,12 @@ static int bnx2x_open(struct net_device *dev) rc = bnx2x_nic_load(bp, LOAD_OPEN); if (rc) return rc; + +#ifdef CONFIG_BNX2X_VXLAN + if (IS_PF(bp)) + vxlan_get_rx_port(dev); +#endif + return 0; } @@ -12894,6 +12999,10 @@ static const struct net_device_ops bnx2x_netdev_ops = { .ndo_get_phys_port_id = bnx2x_get_phys_port_id, .ndo_set_vf_link_state = bnx2x_set_vf_link_state, .ndo_features_check = bnx2x_features_check, +#ifdef CONFIG_BNX2X_VXLAN + .ndo_add_vxlan_port = bnx2x_add_vxlan_port, + .ndo_del_vxlan_port = bnx2x_del_vxlan_port, +#endif }; static int bnx2x_set_coherency_mask(struct bnx2x *bp)