From 1d982e93dff152c04e1852968d71c05b5b491443 Mon Sep 17 00:00:00 2001 From: Jose Abreu Date: Tue, 10 Sep 2019 16:41:25 +0200 Subject: [PATCH] net: stmmac: Add support for SA Insertion/Replacement in GMAC4+ Add the support for Source Address Insertion and Replacement in GMAC4 and GMAC5 cores. Two methods are supported: Descriptor based and register based. Signed-off-by: Jose Abreu Signed-off-by: David S. Miller --- drivers/net/ethernet/stmicro/stmmac/dwmac4.h | 3 +++ drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 13 +++++++++++++ drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c | 8 ++++++++ drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h | 1 + drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c | 1 + 5 files changed, 26 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h index 4dfa698..fad121cb 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h @@ -160,6 +160,8 @@ enum power_event { #define GMAC_DEBUG_RPESTS BIT(0) /* MAC config */ +#define GMAC_CONFIG_SARC GENMASK(30, 28) +#define GMAC_CONFIG_SARC_SHIFT 28 #define GMAC_CONFIG_IPC BIT(27) #define GMAC_CONFIG_2K BIT(22) #define GMAC_CONFIG_ACS BIT(20) @@ -175,6 +177,7 @@ enum power_event { #define GMAC_CONFIG_RE BIT(0) /* MAC HW features0 bitmap */ +#define GMAC_HW_FEAT_SAVLANINS BIT(27) #define GMAC_HW_FEAT_ADDMAC BIT(18) #define GMAC_HW_FEAT_RXCOESEL BIT(16) #define GMAC_HW_FEAT_TXCOSEL BIT(14) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 5b43a8d..73dbfd8 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -759,6 +759,16 @@ static void dwmac4_update_vlan_hash(struct mac_device_info *hw, u32 hash, } } +static void dwmac4_sarc_configure(void __iomem *ioaddr, int val) +{ + u32 value = readl(ioaddr + GMAC_CONFIG); + + value &= ~GMAC_CONFIG_SARC; + value |= val << GMAC_CONFIG_SARC_SHIFT; + + writel(value, ioaddr + GMAC_CONFIG); +} + const struct stmmac_ops dwmac4_ops = { .core_init = dwmac4_core_init, .set_mac = stmmac_set_mac, @@ -790,6 +800,7 @@ const struct stmmac_ops dwmac4_ops = { .set_filter = dwmac4_set_filter, .set_mac_loopback = dwmac4_set_mac_loopback, .update_vlan_hash = dwmac4_update_vlan_hash, + .sarc_configure = dwmac4_sarc_configure, }; const struct stmmac_ops dwmac410_ops = { @@ -823,6 +834,7 @@ const struct stmmac_ops dwmac410_ops = { .set_filter = dwmac4_set_filter, .set_mac_loopback = dwmac4_set_mac_loopback, .update_vlan_hash = dwmac4_update_vlan_hash, + .sarc_configure = dwmac4_sarc_configure, }; const struct stmmac_ops dwmac510_ops = { @@ -861,6 +873,7 @@ const struct stmmac_ops dwmac510_ops = { .flex_pps_config = dwmac5_flex_pps_config, .set_mac_loopback = dwmac4_set_mac_loopback, .update_vlan_hash = dwmac4_update_vlan_hash, + .sarc_configure = dwmac4_sarc_configure, }; int dwmac4_setup(struct stmmac_priv *priv) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c index dbde23e..8edc9f8 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c @@ -443,6 +443,13 @@ static void dwmac4_clear(struct dma_desc *p) p->des3 = 0; } +static void dwmac4_set_sarc(struct dma_desc *p, u32 sarc_type) +{ + sarc_type <<= TDES3_SA_INSERT_CTRL_SHIFT; + + p->des3 |= cpu_to_le32(sarc_type & TDES3_SA_INSERT_CTRL_MASK); +} + static int set_16kib_bfsize(int mtu) { int ret = 0; @@ -476,6 +483,7 @@ const struct stmmac_desc_ops dwmac4_desc_ops = { .get_addr = dwmac4_get_addr, .set_addr = dwmac4_set_addr, .clear = dwmac4_clear, + .set_sarc = dwmac4_set_sarc, }; const struct stmmac_mode_ops dwmac4_ring_mode_ops = { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h index f581911..6089d76 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h @@ -32,6 +32,7 @@ #define TDES3_HDR_LEN_SHIFT 19 #define TDES3_SLOT_NUMBER_MASK GENMASK(22, 19) #define TDES3_SA_INSERT_CTRL_MASK GENMASK(25, 23) +#define TDES3_SA_INSERT_CTRL_SHIFT 23 #define TDES3_CRC_PAD_CTRL_MASK GENMASK(27, 26) /* TDES3 (write back format) */ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c index 2456f42..82d9761 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c @@ -348,6 +348,7 @@ static void dwmac4_get_hw_feature(void __iomem *ioaddr, /* TX and RX csum */ dma_cap->tx_coe = (hw_cap & GMAC_HW_FEAT_TXCOSEL) >> 14; dma_cap->rx_coe = (hw_cap & GMAC_HW_FEAT_RXCOESEL) >> 16; + dma_cap->vlins = (hw_cap & GMAC_HW_FEAT_SAVLANINS) >> 27; /* MAC HW feature1 */ hw_cap = readl(ioaddr + GMAC_HW_FEATURE1); -- 2.7.4