#define ETH_RX_CQE_PAGE_SIZE_BYTES 4096
#define ETH_RX_NUM_NEXT_PAGE_BDS 2
+/* Limitation for Tunneled LSO Packets on the offset (in bytes) of the inner IP
+ * header (relevant to LSO for tunneled packet):
+ */
+/* Offset is limited to 253 bytes (inclusive). */
+#define ETH_MAX_TUNN_LSO_INNER_IPV4_OFFSET 253
+/* Offset is limited to 251 bytes (inclusive). */
+#define ETH_MAX_TUNN_LSO_INNER_IPV6_OFFSET 251
+
#define ETH_TX_MIN_BDS_PER_NON_LSO_PKT 1
#define ETH_TX_MAX_BDS_PER_NON_LSO_PACKET 18
#define ETH_TX_MAX_BDS_PER_LSO_PACKET 255
/* Maximum number of buffers, used for RX packet placement */
#define ETH_RX_MAX_BUFF_PER_PKT 5
+/* Minimum number of free BDs in RX ring, that guarantee receiving of at least
+ * one RX packet.
+ */
+#define ETH_RX_BD_THRESHOLD 12
/* num of MAC/VLAN filters */
#define ETH_NUM_MAC_FILTERS 512
#define ETH_RSS_KEY_SIZE_REGS 10
/* number of available RSS engines in K2 */
#define ETH_RSS_ENGINE_NUM_K2 207
+/* number of available RSS engines in BB */
#define ETH_RSS_ENGINE_NUM_BB 127
/* TPA constants */
+/* Maximum number of open TPA aggregations */
#define ETH_TPA_MAX_AGGS_NUM 64
+/* Maximum number of additional buffers, reported by TPA-start CQE */
#define ETH_TPA_CQE_START_LEN_LIST_SIZE ETH_RX_MAX_BUFF_PER_PKT
+/* Maximum number of buffers, reported by TPA-continue CQE */
#define ETH_TPA_CQE_CONT_LEN_LIST_SIZE 6
+/* Maximum number of buffers, reported by TPA-end CQE */
#define ETH_TPA_CQE_END_LEN_LIST_SIZE 4
/* Control frame check constants */
MAX_DEST_PORT_MODE
};
+
/*
* Ethernet address type
*/
MAX_ETH_ADDR_TYPE
};
+
struct eth_tx_1st_bd_flags {
u8 bitfields;
+/* Set to 1 in the first BD. (for debug) */
#define ETH_TX_1ST_BD_FLAGS_START_BD_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT 0
+/* Do not allow additional VLAN manipulations on this packet. */
#define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_SHIFT 1
+/* Recalculate IP checksum. For tunneled packet - relevant to inner header. */
#define ETH_TX_1ST_BD_FLAGS_IP_CSUM_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT 2
+/* Recalculate TCP/UDP checksum.
+ * For tunneled packet - relevant to inner header.
+ */
#define ETH_TX_1ST_BD_FLAGS_L4_CSUM_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT 3
+/* If set, insert VLAN tag from vlan field to the packet.
+ * For tunneled packet - relevant to outer header.
+ */
#define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT 4
+/* If set, this is an LSO packet. Note: For Tunneled LSO packets, the offset of
+ * the inner IPV4 (and IPV6) header is limited to 253 (and 251 respectively)
+ * bytes, inclusive.
+ */
#define ETH_TX_1ST_BD_FLAGS_LSO_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_LSO_SHIFT 5
+/* Recalculate Tunnel IP Checksum (if Tunnel IP Header is IPv4) */
#define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_SHIFT 6
+/* Recalculate Tunnel UDP/GRE Checksum (Depending on Tunnel Type) */
#define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_SHIFT 7
};
* The parsing information data for the first tx bd of a given packet.
*/
struct eth_tx_data_1st_bd {
- __le16 vlan /* VLAN tag to insert to packet (if needed). */;
-/* Number of BDs in packet. Should be at least 2 in non-LSO packet and at least
+/* VLAN tag to insert to packet (if enabled by vlan_insertion flag). */
+ __le16 vlan;
+/* Number of BDs in packet. Should be at least 1 in non-LSO packet and at least
* 3 in LSO (or Tunnel with IPv6+ext) packet.
*/
u8 nbds;
* The parsing information data for the second tx bd of a given packet.
*/
struct eth_tx_data_2nd_bd {
+/* For tunnel with IPv6+ext - Tunnel header IP datagram length (in BYTEs) */
__le16 tunn_ip_size;
__le16 bitfields1;
+/* For Tunnel header with IPv6 ext. - Inner L2 Header Size (in 2-byte WORDs) */
#define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_MASK 0xF
#define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_SHIFT 0
+/* For Tunnel header with IPv6 ext. - Inner L2 Header MAC DA Type
+ * (use enum eth_addr_type)
+ */
#define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_MASK 0x3
#define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_SHIFT 4
+/* Destination port mode. (use enum dest_port_mode) */
#define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_MASK 0x3
#define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_SHIFT 6
+/* Should be 0 in all the BDs, except the first one. (for debug) */
#define ETH_TX_DATA_2ND_BD_START_BD_MASK 0x1
#define ETH_TX_DATA_2ND_BD_START_BD_SHIFT 8
+/* For Tunnel header with IPv6 ext. - Tunnel Type (use enum eth_tx_tunn_type) */
#define ETH_TX_DATA_2ND_BD_TUNN_TYPE_MASK 0x3
#define ETH_TX_DATA_2ND_BD_TUNN_TYPE_SHIFT 9
+/* For LSO / Tunnel header with IPv6+ext - Set if inner header is IPv6 */
#define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_MASK 0x1
#define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_SHIFT 11
+/* In tunneling mode - Set to 1 when the Inner header is IPv6 with extension.
+ * Otherwise set to 1 if the header is IPv6 with extension.
+ */
#define ETH_TX_DATA_2ND_BD_IPV6_EXT_MASK 0x1
#define ETH_TX_DATA_2ND_BD_IPV6_EXT_SHIFT 12
+/* Set to 1 if Tunnel (outer = encapsulating) header has IPv6 ext. (Note: 3rd BD
+ * is required, hence EDPM does not support Tunnel [outer] header with Ipv6Ext)
+ */
#define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_MASK 0x1
#define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_SHIFT 13
+/* Set if (inner) L4 protocol is UDP. (Required when IPv6+ext (or tunnel with
+ * inner or outer Ipv6+ext) and l4_csum is set)
+ */
#define ETH_TX_DATA_2ND_BD_L4_UDP_MASK 0x1
#define ETH_TX_DATA_2ND_BD_L4_UDP_SHIFT 14
+/* The pseudo header checksum type in the L4 checksum field. Required when
+ * IPv6+ext and l4_csum is set. (use enum eth_l4_pseudo_checksum_mode)
+ */
#define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_MASK 0x1
#define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_SHIFT 15
__le16 bitfields2;
+/* For inner/outer header IPv6+ext - (inner) L4 header offset (in 2-byte WORDs).
+ * For regular packet - offset from the beginning of the packet. For tunneled
+ * packet - offset from the beginning of the inner header
+ */
#define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_MASK 0x1FFF
#define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_SHIFT 0
#define ETH_TX_DATA_2ND_BD_RESERVED0_MASK 0x7
__le32 reserved;
};
+
/*
* FW debug.
*/
struct eth_fast_path_rx_reg_cqe {
u8 type /* CQE type */;
u8 bitfields;
+/* Type of calculated RSS hash (use enum rss_hash_type) */
#define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_MASK 0x7
#define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_SHIFT 0
+/* Traffic Class */
#define ETH_FAST_PATH_RX_REG_CQE_TC_MASK 0xF
#define ETH_FAST_PATH_RX_REG_CQE_TC_SHIFT 3
#define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_MASK 0x1
struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
};
+
/*
* TPA-continue ETH Rx FP CQE.
*/
struct eth_fast_path_rx_tpa_cont_cqe {
u8 type /* CQE type */;
u8 tpa_agg_index /* TPA aggregation index */;
- __le16 len_list[ETH_TPA_CQE_CONT_LEN_LIST_SIZE]
- /* List of the segment sizes */;
+/* List of the segment sizes */
+ __le16 len_list[ETH_TPA_CQE_CONT_LEN_LIST_SIZE];
u8 reserved;
u8 reserved1 /* FW reserved. */;
__le16 reserved2[ETH_TPA_CQE_CONT_LEN_LIST_SIZE] /* FW reserved. */;
struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
};
+
/*
* TPA-end ETH Rx FP CQE .
*/
u8 tpa_agg_index /* TPA aggregation index */;
__le16 total_packet_len /* Total aggregated packet length */;
u8 num_of_bds /* Total number of BDs comprising the packet */;
- u8 end_reason /* Aggregation end reason. Use enum eth_tpa_end_reason */
- ;
+/* Aggregation end reason. Use enum eth_tpa_end_reason */
+ u8 end_reason;
__le16 num_of_coalesced_segs /* Number of coalesced TCP segments */;
__le32 ts_delta /* TCP timestamp delta */;
- __le16 len_list[ETH_TPA_CQE_END_LEN_LIST_SIZE]
- /* List of the segment sizes */;
+/* List of the segment sizes */
+ __le16 len_list[ETH_TPA_CQE_END_LEN_LIST_SIZE];
__le16 reserved3[ETH_TPA_CQE_END_LEN_LIST_SIZE] /* FW reserved. */;
__le16 reserved1;
u8 reserved2 /* FW reserved. */;
struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
};
+
/*
* TPA-start ETH Rx FP CQE.
*/
struct eth_fast_path_rx_tpa_start_cqe {
u8 type /* CQE type */;
u8 bitfields;
+/* Type of calculated RSS hash (use enum rss_hash_type) */
#define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_MASK 0x7
#define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_SHIFT 0
+/* Traffic Class */
#define ETH_FAST_PATH_RX_TPA_START_CQE_TC_MASK 0xF
#define ETH_FAST_PATH_RX_TPA_START_CQE_TC_SHIFT 3
#define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_MASK 0x1
#define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_SHIFT 7
__le16 seg_len /* Segment length (packetLen from the parser) */;
- struct parsing_and_err_flags pars_flags
- /* Parsing and error flags from the parser */;
+/* Parsing and error flags from the parser */
+ struct parsing_and_err_flags pars_flags;
__le16 vlan_tag /* 802.1q VLAN tag */;
__le32 rss_hash /* RSS hash result */;
__le16 len_on_first_bd /* Number of bytes placed on first BD */;
struct eth_tunnel_parsing_flags tunnel_pars_flags;
u8 tpa_agg_index /* TPA aggregation index */;
u8 header_len /* Packet L2+L3+L4 header length */;
- __le16 ext_bd_len_list[ETH_TPA_CQE_START_LEN_LIST_SIZE]
- /* Additional BDs length list. */;
+/* Additional BDs length list. */
+ __le16 ext_bd_len_list[ETH_TPA_CQE_START_LEN_LIST_SIZE];
struct eth_fast_path_cqe_fw_debug fw_debug /* FW reserved. */;
u8 reserved;
struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
};
+
/*
* The L4 pseudo checksum mode for Ethernet
*/
enum eth_l4_pseudo_checksum_mode {
- ETH_L4_PSEUDO_CSUM_CORRECT_LENGTH
- /* Pseudo Header checksum on packet is calculated
- * with the correct packet length field.
- */
- ,
- ETH_L4_PSEUDO_CSUM_ZERO_LENGTH
- /* Pseudo Hdr checksum on packet is calc with zero len field. */
- ,
+/* Pseudo Header checksum on packet is calculated with the correct packet length
+ * field.
+ */
+ ETH_L4_PSEUDO_CSUM_CORRECT_LENGTH,
+/* Pseudo Header checksum on packet is calculated with zero length field. */
+ ETH_L4_PSEUDO_CSUM_ZERO_LENGTH,
MAX_ETH_L4_PSEUDO_CHECKSUM_MODE
};
+
+
struct eth_rx_bd {
struct regpair addr /* single continues buffer */;
};
+
/*
* regular ETH Rx SP CQE
*/
* union for all ETH Rx CQE types
*/
union eth_rx_cqe {
- struct eth_fast_path_rx_reg_cqe fast_path_regular /* Regular FP CQE */;
- struct eth_fast_path_rx_tpa_start_cqe fast_path_tpa_start
- /* TPA-start CQE */;
- struct eth_fast_path_rx_tpa_cont_cqe fast_path_tpa_cont
- /* TPA-continue CQE */;
- struct eth_fast_path_rx_tpa_end_cqe fast_path_tpa_end /* TPA-end CQE */
- ;
+/* Regular FP CQE */
+ struct eth_fast_path_rx_reg_cqe fast_path_regular;
+/* TPA-start CQE */
+ struct eth_fast_path_rx_tpa_start_cqe fast_path_tpa_start;
+/* TPA-continue CQE */
+ struct eth_fast_path_rx_tpa_cont_cqe fast_path_tpa_cont;
+/* TPA-end CQE */
+ struct eth_fast_path_rx_tpa_end_cqe fast_path_tpa_end;
struct eth_slow_path_rx_cqe slow_path /* SP CQE */;
};
+
/*
* ETH Rx CQE type
*/
MAX_ETH_RX_CQE_TYPE
};
+
/*
* Wrapper for PD RX CQE - used in order to cover full cache line when writing
* CQE
u8 reserved[ETH_RX_CQE_GAP];
};
+
/*
* Eth RX Tunnel Type
*/
MAX_ETH_RX_TUNN_TYPE
};
+
+
/*
* Aggregation end reason.
*/
enum eth_tpa_end_reason {
ETH_AGG_END_UNUSED,
ETH_AGG_END_SP_UPDATE /* SP configuration update */,
- ETH_AGG_END_MAX_LEN
- /* Maximum aggregation length or maximum buffer number used. */,
- ETH_AGG_END_LAST_SEG
- /* TCP PSH flag or TCP payload length below continue threshold. */,
+/* Maximum aggregation length or maximum buffer number used. */
+ ETH_AGG_END_MAX_LEN,
+/* TCP PSH flag or TCP payload length below continue threshold. */
+ ETH_AGG_END_LAST_SEG,
ETH_AGG_END_TIMEOUT /* Timeout expiration. */,
+/* Packet header not consistency: different IPv4 TOS, TTL or flags, IPv6 TC,
+ * Hop limit or Flow label, TCP header length or TS options. In GRO different
+ * TS value, SMAC, DMAC, ackNum, windowSize or VLAN
+ */
ETH_AGG_END_NOT_CONSISTENT,
+/* Out of order or retransmission packet: sequence, ack or timestamp not
+ * consistent with previous segment.
+ */
ETH_AGG_END_OUT_OF_ORDER,
+/* Next segment cant be aggregated due to LLC/SNAP, IP error, IP fragment, IPv4
+ * options, IPv6 extension, IP ECN = CE, TCP errors, TCP options, zero TCP
+ * payload length , TCP flags or not supported tunnel header options.
+ */
ETH_AGG_END_NON_TPA_SEG,
MAX_ETH_TPA_END_REASON
};
struct eth_tx_data_1st_bd data /* Parsing information data. */;
};
+
+
/*
* The second tx bd of a given packet
*/
struct eth_tx_data_2nd_bd data /* Parsing information data. */;
};
+
/*
* The parsing information data for the third tx bd of a given packet.
*/
struct eth_tx_data_3rd_bd {
__le16 lso_mss /* For LSO packet - the MSS in bytes. */;
__le16 bitfields;
+/* For LSO with inner/outer IPv6+ext - TCP header length (in 4-byte WORDs) */
#define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_MASK 0xF
#define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_SHIFT 0
+/* LSO - number of BDs which contain headers. value should be in range
+ * (1..ETH_TX_MAX_LSO_HDR_NBD).
+ */
#define ETH_TX_DATA_3RD_BD_HDR_NBD_MASK 0xF
#define ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT 4
+/* Should be 0 in all the BDs, except the first one. (for debug) */
#define ETH_TX_DATA_3RD_BD_START_BD_MASK 0x1
#define ETH_TX_DATA_3RD_BD_START_BD_SHIFT 8
#define ETH_TX_DATA_3RD_BD_RESERVED0_MASK 0x7F
#define ETH_TX_DATA_3RD_BD_RESERVED0_SHIFT 9
+/* For tunnel with IPv6+ext - Pointer to tunnel L4 Header (in 2-byte WORDs) */
u8 tunn_l4_hdr_start_offset_w;
+/* For tunnel with IPv6+ext - Total size of Tunnel Header (in 2-byte WORDs) */
u8 tunn_hdr_size_w;
};
struct eth_tx_data_3rd_bd data /* Parsing information data. */;
};
+
/*
* Complementary information for the regular tx bd of a given packet.
*/
__le16 bitfields;
#define ETH_TX_DATA_BD_RESERVED1_MASK 0xFF
#define ETH_TX_DATA_BD_RESERVED1_SHIFT 0
+/* Should be 0 in all the BDs, except the first one. (for debug) */
#define ETH_TX_DATA_BD_START_BD_MASK 0x1
#define ETH_TX_DATA_BD_START_BD_SHIFT 8
#define ETH_TX_DATA_BD_RESERVED2_MASK 0x7F
struct eth_tx_data_bd data /* Complementary information. */;
};
+
union eth_tx_bd_types {
struct eth_tx_1st_bd first_bd /* The first tx bd of a given packet */;
- struct eth_tx_2nd_bd second_bd /* The second tx bd of a given packet */
- ;
+/* The second tx bd of a given packet */
+ struct eth_tx_2nd_bd second_bd;
struct eth_tx_3rd_bd third_bd /* The third tx bd of a given packet */;
struct eth_tx_bd reg_bd /* The common non-special bd */;
};
+
+
+
+
+
/*
* Eth Tx Tunnel Type
*/
* Ystorm Queue Zone
*/
struct xstorm_eth_queue_zone {
- struct coalescing_timeset int_coalescing_timeset
- /* Tx interrupt coalescing TimeSet */;
+/* Tx interrupt coalescing TimeSet */
+ struct coalescing_timeset int_coalescing_timeset;
u8 reserved[7];
};
+
/*
* ETH doorbell data
*/
struct eth_db_data {
u8 params;
+/* destination of doorbell (use enum db_dest) */
#define ETH_DB_DATA_DEST_MASK 0x3
#define ETH_DB_DATA_DEST_SHIFT 0
+/* aggregative command to CM (use enum db_agg_cmd_sel) */
#define ETH_DB_DATA_AGG_CMD_MASK 0x3
#define ETH_DB_DATA_AGG_CMD_SHIFT 2
-#define ETH_DB_DATA_BYPASS_EN_MASK 0x1
+#define ETH_DB_DATA_BYPASS_EN_MASK 0x1 /* enable QM bypass */
#define ETH_DB_DATA_BYPASS_EN_SHIFT 4
#define ETH_DB_DATA_RESERVED_MASK 0x1
#define ETH_DB_DATA_RESERVED_SHIFT 5
+/* aggregative value selection */
#define ETH_DB_DATA_AGG_VAL_SEL_MASK 0x3
#define ETH_DB_DATA_AGG_VAL_SEL_SHIFT 6
+/* bit for every DQ counter flags in CM context that DQ can increment */
u8 agg_flags;
__le16 bd_prod;
};
git.droids-corp.org / dpdk.git / blobdiff