From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from rnd-relay.smtp.broadcom.com (lpdvrndsmtp01.broadcom.com [192.19.229.170]) by dpdk.org (Postfix) with ESMTP id 3B68A324D for ; Thu, 18 May 2017 03:58:21 +0200 (CEST) Received: from mail-irv-17.broadcom.com (mail-irv-17.lvn.broadcom.net [10.75.224.233]) by rnd-relay.smtp.broadcom.com (Postfix) with ESMTP id D070A30C07C; Wed, 17 May 2017 18:58:19 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.10.3 rnd-relay.smtp.broadcom.com D070A30C07C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1495072699; bh=3XNcie7t7awQz0ncHFWwZYCXOFgzr3BjFEQ4PBu2eSY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jFizYuPh1ZrhMB6Jzy3hrWrJj3D+6ZIWtgpQwv+2HcK00xL5ypDovWu+nnRC3m1sp pkLWgLObCjLm1eF0HdsLW390BrQ6iMMztqyruKdMSqBjUVM1L8H4pyl9k91R7LcAkW ZIMJILNpJDhNqBHb6rbEoQ1peKSlynDHVFOoI7vo= Received: from C02PT1RBG8WP.vpn.broadcom.net (unknown [10.10.118.136]) by mail-irv-17.broadcom.com (Postfix) with ESMTP id 3F0A281EDA; Wed, 17 May 2017 18:58:19 -0700 (PDT) From: Ajit Khaparde To: dev@dpdk.org Cc: ferruh.yigit@intel.com Date: Wed, 17 May 2017 20:57:53 -0500 Message-Id: <20170518015813.7862-4-ajit.khaparde@broadcom.com> X-Mailer: git-send-email 2.10.1 (Apple Git-78) In-Reply-To: <20170518015813.7862-1-ajit.khaparde@broadcom.com> References: <20170518015813.7862-1-ajit.khaparde@broadcom.com> Subject: [dpdk-dev] [PATCH 03/23] bnxt: add tunneling support X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 May 2017 01:58:22 -0000 Add support for udp_tunnel_port_add/del dev_ops to configure a UDP port for VXLAN and Geneve Tunnel protocols. The HWRM supports only one global destination port for a tunnel type, use a referene counter to keep track of its usage. Cache the configured VXLAN/Geneve ports and use that value to check if the right UDP port is being freed up. Skip calling bnxt_hwrm_tunnel_dst_port_alloc if the same UDP port is being programmed. Skip calling bnxt_hwrm_tunnel_dst_port_free if no UDP port has been configured. Also update tx offload capabilities Signed-off-by: Ajit Khaparde --- drivers/net/bnxt/bnxt.h | 6 + drivers/net/bnxt/bnxt_ethdev.c | 119 +++++++++++++- drivers/net/bnxt/bnxt_hwrm.c | 56 +++++++ drivers/net/bnxt/bnxt_hwrm.h | 5 + drivers/net/bnxt/bnxt_txr.c | 3 +- drivers/net/bnxt/hsi_struct_def_dpdk.h | 273 +++++++++++++++++++++++++++++++++ 6 files changed, 460 insertions(+), 2 deletions(-) diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h index 1522eb4..e85cbee 100644 --- a/drivers/net/bnxt/bnxt.h +++ b/drivers/net/bnxt/bnxt.h @@ -188,6 +188,12 @@ struct bnxt { struct bnxt_pf_info pf; uint8_t port_partition_type; uint8_t dev_stopped; + uint8_t vxlan_port_cnt; + uint8_t geneve_port_cnt; + uint16_t vxlan_port; + uint16_t geneve_port; + uint16_t vxlan_fw_dst_port_id; + uint16_t geneve_fw_dst_port_id; uint32_t fw_ver; }; diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index a7f183c..18263a4 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -363,7 +363,12 @@ static void bnxt_dev_info_get_op(struct rte_eth_dev *eth_dev, dev_info->tx_offload_capa = DEV_TX_OFFLOAD_IPV4_CKSUM | DEV_TX_OFFLOAD_TCP_CKSUM | DEV_TX_OFFLOAD_UDP_CKSUM | - DEV_TX_OFFLOAD_TCP_TSO; + DEV_TX_OFFLOAD_TCP_TSO | + DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM | + DEV_TX_OFFLOAD_VXLAN_TNL_TSO | + DEV_TX_OFFLOAD_GRE_TNL_TSO | + DEV_TX_OFFLOAD_IPIP_TNL_TSO | + DEV_TX_OFFLOAD_GENEVE_TNL_TSO; /* *INDENT-OFF* */ dev_info->default_rxconf = (struct rte_eth_rxconf) { @@ -975,6 +980,116 @@ static int bnxt_flow_ctrl_set_op(struct rte_eth_dev *dev, return bnxt_set_hwrm_link_config(bp, true); } +/* Add UDP tunneling port */ +static int +bnxt_udp_tunnel_port_add_op(struct rte_eth_dev *eth_dev, + struct rte_eth_udp_tunnel *udp_tunnel) +{ + struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private; + uint16_t tunnel_type = 0; + int rc = 0; + + switch (udp_tunnel->prot_type) { + case RTE_TUNNEL_TYPE_VXLAN: + if (bp->vxlan_port_cnt) { + RTE_LOG(ERR, PMD, "Tunnel Port %d already programmed\n", + udp_tunnel->udp_port); + if (bp->vxlan_port != udp_tunnel->udp_port) { + RTE_LOG(ERR, PMD, "Only one port allowed\n"); + return -ENOSPC; + } + bp->vxlan_port_cnt++; + return 0; + } + tunnel_type = + HWRM_TUNNEL_DST_PORT_ALLOC_INPUT_TUNNEL_TYPE_VXLAN; + bp->vxlan_port_cnt++; + break; + case RTE_TUNNEL_TYPE_GENEVE: + if (bp->geneve_port_cnt) { + RTE_LOG(ERR, PMD, "Tunnel Port %d already programmed\n", + udp_tunnel->udp_port); + if (bp->geneve_port != udp_tunnel->udp_port) { + RTE_LOG(ERR, PMD, "Only one port allowed\n"); + return -ENOSPC; + } + bp->geneve_port_cnt++; + return 0; + } + tunnel_type = + HWRM_TUNNEL_DST_PORT_ALLOC_INPUT_TUNNEL_TYPE_GENEVE; + bp->geneve_port_cnt++; + break; + default: + RTE_LOG(ERR, PMD, "Tunnel type is not supported\n"); + return -ENOTSUP; + } + rc = bnxt_hwrm_tunnel_dst_port_alloc(bp, udp_tunnel->udp_port, + tunnel_type); + return rc; +} + +static int +bnxt_udp_tunnel_port_del_op(struct rte_eth_dev *eth_dev, + struct rte_eth_udp_tunnel *udp_tunnel) +{ + struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private; + uint16_t tunnel_type = 0; + uint16_t port = 0; + int rc = 0; + + switch (udp_tunnel->prot_type) { + case RTE_TUNNEL_TYPE_VXLAN: + if (!bp->vxlan_port_cnt) { + RTE_LOG(ERR, PMD, "No Tunnel port configured yet\n"); + return -EINVAL; + } + if (bp->vxlan_port != udp_tunnel->udp_port) { + RTE_LOG(ERR, PMD, "Req Port: %d. Configured port: %d\n", + udp_tunnel->udp_port, bp->vxlan_port); + return -EINVAL; + } + if (--bp->vxlan_port_cnt) + return 0; + + tunnel_type = + HWRM_TUNNEL_DST_PORT_FREE_INPUT_TUNNEL_TYPE_VXLAN; + port = bp->vxlan_fw_dst_port_id; + break; + case RTE_TUNNEL_TYPE_GENEVE: + if (!bp->geneve_port_cnt) { + RTE_LOG(ERR, PMD, "No Tunnel port configured yet\n"); + return -EINVAL; + } + if (bp->geneve_port != udp_tunnel->udp_port) { + RTE_LOG(ERR, PMD, "Req Port: %d. Configured port: %d\n", + udp_tunnel->udp_port, bp->geneve_port); + return -EINVAL; + } + if (--bp->geneve_port_cnt) + return 0; + + tunnel_type = + HWRM_TUNNEL_DST_PORT_FREE_INPUT_TUNNEL_TYPE_GENEVE; + port = bp->geneve_fw_dst_port_id; + break; + default: + RTE_LOG(ERR, PMD, "Tunnel type is not supported\n"); + return -ENOTSUP; + } + + rc = bnxt_hwrm_tunnel_dst_port_free(bp, port, tunnel_type); + if (!rc) { + if (tunnel_type == + HWRM_TUNNEL_DST_PORT_FREE_INPUT_TUNNEL_TYPE_VXLAN) + bp->vxlan_port = 0; + if (tunnel_type == + HWRM_TUNNEL_DST_PORT_FREE_INPUT_TUNNEL_TYPE_GENEVE) + bp->geneve_port = 0; + } + return rc; +} + /* * Initialization */ @@ -1006,6 +1121,8 @@ static const struct eth_dev_ops bnxt_dev_ops = { .mac_addr_remove = bnxt_mac_addr_remove_op, .flow_ctrl_get = bnxt_flow_ctrl_get_op, .flow_ctrl_set = bnxt_flow_ctrl_set_op, + .udp_tunnel_port_add = bnxt_udp_tunnel_port_add_op, + .udp_tunnel_port_del = bnxt_udp_tunnel_port_del_op, }; static bool bnxt_vf_pciid(uint16_t id) diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c index c248631..c8abbcb 100644 --- a/drivers/net/bnxt/bnxt_hwrm.c +++ b/drivers/net/bnxt/bnxt_hwrm.c @@ -1396,6 +1396,18 @@ int bnxt_set_hwrm_vnic_filters(struct bnxt *bp, struct bnxt_vnic_info *vnic) return rc; } +void bnxt_free_tunnel_ports(struct bnxt *bp) +{ + if (bp->vxlan_port_cnt) + bnxt_hwrm_tunnel_dst_port_free(bp, bp->vxlan_fw_dst_port_id, + HWRM_TUNNEL_DST_PORT_FREE_INPUT_TUNNEL_TYPE_VXLAN); + bp->vxlan_port = 0; + if (bp->geneve_port_cnt) + bnxt_hwrm_tunnel_dst_port_free(bp, bp->geneve_fw_dst_port_id, + HWRM_TUNNEL_DST_PORT_FREE_INPUT_TUNNEL_TYPE_GENEVE); + bp->geneve_port = 0; +} + void bnxt_free_all_hwrm_resources(struct bnxt *bp) { struct bnxt_vnic_info *vnic; @@ -1421,6 +1433,7 @@ void bnxt_free_all_hwrm_resources(struct bnxt *bp) bnxt_free_all_hwrm_rings(bp); bnxt_free_all_hwrm_ring_grps(bp); bnxt_free_all_hwrm_stat_ctxs(bp); + bnxt_free_tunnel_ports(bp); } static uint16_t bnxt_parse_eth_link_duplex(uint32_t conf_link_speed) @@ -2045,6 +2058,49 @@ int bnxt_hwrm_allocate_vfs(struct bnxt *bp, int num_vfs) return rc; } +int bnxt_hwrm_tunnel_dst_port_alloc(struct bnxt *bp, uint16_t port, + uint8_t tunnel_type) +{ + struct hwrm_tunnel_dst_port_alloc_input req = {0}; + struct hwrm_tunnel_dst_port_alloc_output *resp = bp->hwrm_cmd_resp_addr; + int rc = 0; + + HWRM_PREP(req, TUNNEL_DST_PORT_ALLOC, -1, resp); + req.tunnel_type = tunnel_type; + req.tunnel_dst_port_val = port; + rc = bnxt_hwrm_send_message(bp, &req, sizeof(req)); + HWRM_CHECK_RESULT; + + switch (tunnel_type) { + case HWRM_TUNNEL_DST_PORT_ALLOC_INPUT_TUNNEL_TYPE_VXLAN: + bp->vxlan_fw_dst_port_id = resp->tunnel_dst_port_id; + bp->vxlan_port = port; + break; + case HWRM_TUNNEL_DST_PORT_ALLOC_INPUT_TUNNEL_TYPE_GENEVE: + bp->geneve_fw_dst_port_id = resp->tunnel_dst_port_id; + bp->geneve_port = port; + break; + default: + break; + } + return rc; +} + +int bnxt_hwrm_tunnel_dst_port_free(struct bnxt *bp, uint16_t port, + uint8_t tunnel_type) +{ + struct hwrm_tunnel_dst_port_free_input req = {0}; + struct hwrm_tunnel_dst_port_free_output *resp = bp->hwrm_cmd_resp_addr; + int rc = 0; + + HWRM_PREP(req, TUNNEL_DST_PORT_FREE, -1, resp); + req.tunnel_type = tunnel_type; + req.tunnel_dst_port_id = rte_cpu_to_be_16(port); + rc = bnxt_hwrm_send_message(bp, &req, sizeof(req)); + HWRM_CHECK_RESULT; + + return rc; +} int bnxt_hwrm_func_buf_rgtr(struct bnxt *bp) { diff --git a/drivers/net/bnxt/bnxt_hwrm.h b/drivers/net/bnxt/bnxt_hwrm.h index 61d8e1a..20fe2c6 100644 --- a/drivers/net/bnxt/bnxt_hwrm.h +++ b/drivers/net/bnxt/bnxt_hwrm.h @@ -113,5 +113,10 @@ int bnxt_hwrm_func_vf_mac(struct bnxt *bp, uint16_t vf, const uint8_t *mac_addr); int bnxt_hwrm_func_qcfg_vf_default_mac(struct bnxt *bp, uint16_t vf, struct ether_addr *mac); +int bnxt_hwrm_tunnel_dst_port_alloc(struct bnxt *bp, uint16_t port, + uint8_t tunnel_type); +int bnxt_hwrm_tunnel_dst_port_free(struct bnxt *bp, uint16_t port, + uint8_t tunnel_type); +void bnxt_free_tunnel_ports(struct bnxt *bp); #endif diff --git a/drivers/net/bnxt/bnxt_txr.c b/drivers/net/bnxt/bnxt_txr.c index 0d15bb1..6870b16 100644 --- a/drivers/net/bnxt/bnxt_txr.c +++ b/drivers/net/bnxt/bnxt_txr.c @@ -213,7 +213,8 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt, /* TSO */ txbd1->lflags = TX_BD_LONG_LFLAGS_LSO; txbd1->hdr_size = tx_pkt->l2_len + tx_pkt->l3_len + - tx_pkt->l4_len; + tx_pkt->l4_len + tx_pkt->outer_l2_len + + tx_pkt->outer_l3_len; txbd1->mss = tx_pkt->tso_segsz; } else if (tx_pkt->ol_flags & (PKT_TX_TCP_CKSUM | diff --git a/drivers/net/bnxt/hsi_struct_def_dpdk.h b/drivers/net/bnxt/hsi_struct_def_dpdk.h index a091a0b..da3771a 100644 --- a/drivers/net/bnxt/hsi_struct_def_dpdk.h +++ b/drivers/net/bnxt/hsi_struct_def_dpdk.h @@ -6990,6 +6990,279 @@ struct hwrm_cfa_l2_set_rx_mask_output { */ } __attribute__((packed)); +/* hwrm_tunnel_dst_port_query */ +/* + * Description: This function is called by a driver to query tunnel type + * specific destination port configuration. + */ +/* Input (24 bytes) */ +struct hwrm_tunnel_dst_port_query_input { + uint16_t req_type; + /* + * This value indicates what type of request this is. The format + * for the rest of the command is determined by this field. + */ + uint16_t cmpl_ring; + /* + * This value indicates the what completion ring the request + * will be optionally completed on. If the value is -1, then no + * CR completion will be generated. Any other value must be a + * valid CR ring_id value for this function. + */ + uint16_t seq_id; + /* This value indicates the command sequence number. */ + uint16_t target_id; + /* + * Target ID of this command. 0x0 - 0xFFF8 - Used for function + * ids 0xFFF8 - 0xFFFE - Reserved for internal processors 0xFFFF + * - HWRM + */ + uint64_t resp_addr; + /* + * This is the host address where the response will be written + * when the request is complete. This area must be 16B aligned + * and must be cleared to zero before the request is made. + */ + uint8_t tunnel_type; + /* Tunnel Type. */ + /* Virtual eXtensible Local Area Network (VXLAN) */ + #define HWRM_TUNNEL_DST_PORT_QUERY_INPUT_TUNNEL_TYPE_VXLAN \ + UINT32_C(0x1) + /* Generic Network Virtualization Encapsulation (Geneve) */ + #define HWRM_TUNNEL_DST_PORT_QUERY_INPUT_TUNNEL_TYPE_GENEVE \ + UINT32_C(0x5) + uint8_t unused_0[7]; +} __attribute__((packed)); + +/* Output (16 bytes) */ +struct hwrm_tunnel_dst_port_query_output { + uint16_t error_code; + /* + * Pass/Fail or error type Note: receiver to verify the in + * parameters, and fail the call with an error when appropriate + */ + uint16_t req_type; + /* This field returns the type of original request. */ + uint16_t seq_id; + /* This field provides original sequence number of the command. */ + uint16_t resp_len; + /* + * This field is the length of the response in bytes. The last + * byte of the response is a valid flag that will read as '1' + * when the command has been completely written to memory. + */ + uint16_t tunnel_dst_port_id; + /* + * This field represents the identifier of L4 destination port + * used for the given tunnel type. This field is valid for + * specific tunnel types that use layer 4 (e.g. UDP) transports + * for tunneling. + */ + uint16_t tunnel_dst_port_val; + /* + * This field represents the value of L4 destination port + * identified by tunnel_dst_port_id. This field is valid for + * specific tunnel types that use layer 4 (e.g. UDP) transports + * for tunneling. This field is in network byte order. A value + * of 0 means that the destination port is not configured. + */ + uint8_t unused_0; + uint8_t unused_1; + uint8_t unused_2; + uint8_t valid; + /* + * This field is used in Output records to indicate that the + * output is completely written to RAM. This field should be + * read as '1' to indicate that the output has been completely + * written. When writing a command completion or response to an + * internal processor, the order of writes has to be such that + * this field is written last. + */ +} __attribute__((packed)); + +/* hwrm_tunnel_dst_port_alloc */ +/* + * Description: This function is called by a driver to allocate l4 destination + * port for a specific tunnel type. The destination port value is provided in + * the input. If the HWRM supports only one global destination port for a tunnel + * type, then the HWRM shall keep track of its usage as described below. # The + * first caller that allocates a destination port shall always succeed and the + * HWRM shall save the destination port configuration for that tunnel type and + * increment the usage count to 1. # Subsequent callers allocating the same + * destination port for that tunnel type shall succeed and the HWRM shall + * increment the usage count for that port for each subsequent caller that + * succeeds. # Any subsequent caller trying to allocate a different destination + * port for that tunnel type shall fail until the usage count for the original + * destination port goes to zero. # A caller that frees a port will cause the + * usage count for that port to decrement. + */ +/* Input (24 bytes) */ +struct hwrm_tunnel_dst_port_alloc_input { + uint16_t req_type; + /* + * This value indicates what type of request this is. The format + * for the rest of the command is determined by this field. + */ + uint16_t cmpl_ring; + /* + * This value indicates the what completion ring the request + * will be optionally completed on. If the value is -1, then no + * CR completion will be generated. Any other value must be a + * valid CR ring_id value for this function. + */ + uint16_t seq_id; + /* This value indicates the command sequence number. */ + uint16_t target_id; + /* + * Target ID of this command. 0x0 - 0xFFF8 - Used for function + * ids 0xFFF8 - 0xFFFE - Reserved for internal processors 0xFFFF + * - HWRM + */ + uint64_t resp_addr; + /* + * This is the host address where the response will be written + * when the request is complete. This area must be 16B aligned + * and must be cleared to zero before the request is made. + */ + uint8_t tunnel_type; + /* Tunnel Type. */ + /* Virtual eXtensible Local Area Network (VXLAN) */ + #define HWRM_TUNNEL_DST_PORT_ALLOC_INPUT_TUNNEL_TYPE_VXLAN UINT32_C(0x1) + /* Generic Network Virtualization Encapsulation (Geneve) */ + #define HWRM_TUNNEL_DST_PORT_ALLOC_INPUT_TUNNEL_TYPE_GENEVE \ + UINT32_C(0x5) + uint8_t unused_0; + uint16_t tunnel_dst_port_val; + /* + * This field represents the value of L4 destination port used + * for the given tunnel type. This field is valid for specific + * tunnel types that use layer 4 (e.g. UDP) transports for + * tunneling. This field is in network byte order. A value of 0 + * shall fail the command. + */ + uint32_t unused_1; +} __attribute__((packed)); + +/* Output (16 bytes) */ +struct hwrm_tunnel_dst_port_alloc_output { + uint16_t error_code; + /* + * Pass/Fail or error type Note: receiver to verify the in + * parameters, and fail the call with an error when appropriate + */ + uint16_t req_type; + /* This field returns the type of original request. */ + uint16_t seq_id; + /* This field provides original sequence number of the command. */ + uint16_t resp_len; + /* + * This field is the length of the response in bytes. The last + * byte of the response is a valid flag that will read as '1' + * when the command has been completely written to memory. + */ + uint16_t tunnel_dst_port_id; + /* + * Identifier of a tunnel L4 destination port value. Only + * applies to tunnel types that has l4 destination port + * parameters. + */ + uint8_t unused_0; + uint8_t unused_1; + uint8_t unused_2; + uint8_t unused_3; + uint8_t unused_4; + uint8_t valid; + /* + * This field is used in Output records to indicate that the + * output is completely written to RAM. This field should be + * read as '1' to indicate that the output has been completely + * written. When writing a command completion or response to an + * internal processor, the order of writes has to be such that + * this field is written last. + */ +} __attribute__((packed)); + +/* hwrm_tunnel_dst_port_free */ +/* + * Description: This function is called by a driver to free l4 destination port + * for a specific tunnel type. + */ +/* Input (24 bytes) */ +struct hwrm_tunnel_dst_port_free_input { + uint16_t req_type; + /* + * This value indicates what type of request this is. The format + * for the rest of the command is determined by this field. + */ + uint16_t cmpl_ring; + /* + * This value indicates the what completion ring the request + * will be optionally completed on. If the value is -1, then no + * CR completion will be generated. Any other value must be a + * valid CR ring_id value for this function. + */ + uint16_t seq_id; + /* This value indicates the command sequence number. */ + uint16_t target_id; + /* + * Target ID of this command. 0x0 - 0xFFF8 - Used for function + * ids 0xFFF8 - 0xFFFE - Reserved for internal processors 0xFFFF + * - HWRM + */ + uint64_t resp_addr; + /* + * This is the host address where the response will be written + * when the request is complete. This area must be 16B aligned + * and must be cleared to zero before the request is made. + */ + uint8_t tunnel_type; + /* Tunnel Type. */ + /* Virtual eXtensible Local Area Network (VXLAN) */ + #define HWRM_TUNNEL_DST_PORT_FREE_INPUT_TUNNEL_TYPE_VXLAN UINT32_C(0x1) + /* Generic Network Virtualization Encapsulation (Geneve) */ + #define HWRM_TUNNEL_DST_PORT_FREE_INPUT_TUNNEL_TYPE_GENEVE UINT32_C(0x5) + uint8_t unused_0; + uint16_t tunnel_dst_port_id; + /* + * Identifier of a tunnel L4 destination port value. Only + * applies to tunnel types that has l4 destination port + * parameters. + */ + uint32_t unused_1; +} __attribute__((packed)); + +/* Output (16 bytes) */ +struct hwrm_tunnel_dst_port_free_output { + uint16_t error_code; + /* + * Pass/Fail or error type Note: receiver to verify the in + * parameters, and fail the call with an error when appropriate + */ + uint16_t req_type; + /* This field returns the type of original request. */ + uint16_t seq_id; + /* This field provides original sequence number of the command. */ + uint16_t resp_len; + /* + * This field is the length of the response in bytes. The last + * byte of the response is a valid flag that will read as '1' + * when the command has been completely written to memory. + */ + uint32_t unused_0; + uint8_t unused_1; + uint8_t unused_2; + uint8_t unused_3; + uint8_t valid; + /* + * This field is used in Output records to indicate that the + * output is completely written to RAM. This field should be + * read as '1' to indicate that the output has been completely + * written. When writing a command completion or response to an + * internal processor, the order of writes has to be such that + * this field is written last. + */ +} __attribute__((packed)); + /* hwrm_stat_ctx_alloc */ /* * Description: This command allocates and does basic preparation for a stat -- 2.10.1 (Apple Git-78)