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Miller" CC: , , , , Roger Quadros , Subject: [PATCH net-next v2 7/7] net: ti: icssg-prueth: Enable HSR Tx Tag and Rx Tag offload Date: Tue, 13 Aug 2024 13:12:33 +0530 Message-ID: <20240813074233.2473876-8-danishanwar@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240813074233.2473876-1-danishanwar@ti.com> References: <20240813074233.2473876-1-danishanwar@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240813_004257_118373_AB1E9CA7 X-CRM114-Status: GOOD ( 16.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Ravi Gunasekaran Add support to offload HSR Tx Tag Insertion and Rx Tag Removal and duplicate discard. Signed-off-by: Ravi Gunasekaran --- drivers/net/ethernet/ti/icssg/icssg_common.c | 3 +++ drivers/net/ethernet/ti/icssg/icssg_config.c | 4 +++- drivers/net/ethernet/ti/icssg/icssg_config.h | 2 ++ drivers/net/ethernet/ti/icssg/icssg_prueth.c | 11 ++++++++++- drivers/net/ethernet/ti/icssg/icssg_prueth.h | 1 + 5 files changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/ti/icssg/icssg_common.c b/drivers/net/ethernet/ti/icssg/icssg_common.c index 2d6d8648f5a9..4eae4f9250c0 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_common.c +++ b/drivers/net/ethernet/ti/icssg/icssg_common.c @@ -721,6 +721,9 @@ enum netdev_tx icssg_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev if (prueth->is_hsr_offload_mode && (ndev->features & NETIF_F_HW_HSR_DUP)) dst_tag_id = PRUETH_UNDIRECTED_PKT_DST_TAG; + if (prueth->is_hsr_offload_mode && (ndev->features & NETIF_F_HW_HSR_TAG_INS)) + epib[1] |= PRUETH_UNDIRECTED_PKT_TAG_INS; + cppi5_desc_set_tags_ids(&first_desc->hdr, 0, dst_tag_id); k3_udma_glue_tx_dma_to_cppi5_addr(tx_chn->tx_chn, &buf_dma); cppi5_hdesc_attach_buf(first_desc, buf_dma, pkt_len, buf_dma, pkt_len); diff --git a/drivers/net/ethernet/ti/icssg/icssg_config.c b/drivers/net/ethernet/ti/icssg/icssg_config.c index 2f485318c940..f061fa97a377 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_config.c +++ b/drivers/net/ethernet/ti/icssg/icssg_config.c @@ -531,7 +531,9 @@ static const struct icssg_r30_cmd emac_r32_bitmask[] = { {{EMAC_NONE, 0xffff4000, EMAC_NONE, EMAC_NONE}}, /* Preemption on Tx ENABLE*/ {{EMAC_NONE, 0xbfff0000, EMAC_NONE, EMAC_NONE}}, /* Preemption on Tx DISABLE*/ {{0xffff0010, EMAC_NONE, 0xffff0010, EMAC_NONE}}, /* VLAN AWARE*/ - {{0xffef0000, EMAC_NONE, 0xffef0000, EMAC_NONE}} /* VLAN UNWARE*/ + {{0xffef0000, EMAC_NONE, 0xffef0000, EMAC_NONE}}, /* VLAN UNWARE*/ + {{0xffff2000, EMAC_NONE, EMAC_NONE, EMAC_NONE}}, /* HSR_RX_OFFLOAD_ENABLE */ + {{0xdfff0000, EMAC_NONE, EMAC_NONE, EMAC_NONE}} /* HSR_RX_OFFLOAD_DISABLE */ }; int icssg_set_port_state(struct prueth_emac *emac, diff --git a/drivers/net/ethernet/ti/icssg/icssg_config.h b/drivers/net/ethernet/ti/icssg/icssg_config.h index 1ac60283923b..92c2deaa3068 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_config.h +++ b/drivers/net/ethernet/ti/icssg/icssg_config.h @@ -80,6 +80,8 @@ enum icssg_port_state_cmd { ICSSG_EMAC_PORT_PREMPT_TX_DISABLE, ICSSG_EMAC_PORT_VLAN_AWARE_ENABLE, ICSSG_EMAC_PORT_VLAN_AWARE_DISABLE, + ICSSG_EMAC_HSR_RX_OFFLOAD_ENABLE, + ICSSG_EMAC_HSR_RX_OFFLOAD_DISABLE, ICSSG_EMAC_PORT_MAX_COMMANDS }; diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c index 521e9f914459..582e72dd8f3f 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c +++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c @@ -42,7 +42,9 @@ #define DEFAULT_UNTAG_MASK 1 #define NETIF_PRUETH_HSR_OFFLOAD (NETIF_F_HW_HSR_FWD | \ - NETIF_F_HW_HSR_DUP) + NETIF_F_HW_HSR_DUP | \ + NETIF_F_HW_HSR_TAG_INS | \ + NETIF_F_HW_HSR_TAG_RM) /* CTRLMMR_ICSSG_RGMII_CTRL register bits */ #define ICSSG_CTRL_RGMII_ID_MODE BIT(24) @@ -1032,6 +1034,13 @@ static void icssg_change_mode(struct prueth *prueth) for (mac = PRUETH_MAC0; mac < PRUETH_NUM_MACS; mac++) { emac = prueth->emac[mac]; + if (prueth->is_hsr_offload_mode) { + if (emac->ndev->features & NETIF_F_HW_HSR_TAG_RM) + icssg_set_port_state(emac, ICSSG_EMAC_HSR_RX_OFFLOAD_ENABLE); + else + icssg_set_port_state(emac, ICSSG_EMAC_HSR_RX_OFFLOAD_DISABLE); + } + if (netif_running(emac->ndev)) { icssg_fdb_add_del(emac, eth_stp_addr, prueth->default_vlan, ICSSG_FDB_ENTRY_P0_MEMBERSHIP | diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.h b/drivers/net/ethernet/ti/icssg/icssg_prueth.h index 6cb1dce8b309..246f1e41c13a 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_prueth.h +++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.h @@ -58,6 +58,7 @@ #define IEP_DEFAULT_CYCLE_TIME_NS 1000000 /* 1 ms */ #define PRUETH_UNDIRECTED_PKT_DST_TAG 0 +#define PRUETH_UNDIRECTED_PKT_TAG_INS BIT(30) /* Firmware status codes */ #define ICSS_HS_FW_READY 0x55555555