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Date:   Mon, 29 Jul 2019 06:10:19 -0400
From:   Michael Chan <michael.chan@...adcom.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org
Subject: [PATCH net-next 02/16] bnxt_en: Add TPA structure definitions for BCM57500 chips.

The new chips have a slightly modified TPA interface for LRO/GRO_HW.
Modify the TPA structures so that the same structures can also be
used on the new chips.

Signed-off-by: Michael Chan <michael.chan@...adcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.h | 67 +++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 16694b7..650d800 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -113,6 +113,7 @@ struct tx_cmp {
 	 #define CMP_TYPE_RX_AGG_CMP				 18
 	 #define CMP_TYPE_RX_L2_TPA_START_CMP			 19
 	 #define CMP_TYPE_RX_L2_TPA_END_CMP			 21
+	 #define CMP_TYPE_RX_TPA_AGG_CMP			 22
 	 #define CMP_TYPE_STATUS_CMP				 32
 	 #define CMP_TYPE_REMOTE_DRIVER_REQ			 34
 	 #define CMP_TYPE_REMOTE_DRIVER_RESP			 36
@@ -263,14 +264,21 @@ struct rx_agg_cmp {
 	u32 rx_agg_cmp_opaque;
 	__le32 rx_agg_cmp_v;
 	#define RX_AGG_CMP_V					(1 << 0)
+	#define RX_AGG_CMP_AGG_ID				(0xffff << 16)
+	 #define RX_AGG_CMP_AGG_ID_SHIFT			 16
 	__le32 rx_agg_cmp_unused;
 };
 
+#define TPA_AGG_AGG_ID(rx_agg)				\
+	((le32_to_cpu((rx_agg)->rx_agg_cmp_v) &		\
+	 RX_AGG_CMP_AGG_ID) >> RX_AGG_CMP_AGG_ID_SHIFT)
+
 struct rx_tpa_start_cmp {
 	__le32 rx_tpa_start_cmp_len_flags_type;
 	#define RX_TPA_START_CMP_TYPE				(0x3f << 0)
 	#define RX_TPA_START_CMP_FLAGS				(0x3ff << 6)
 	 #define RX_TPA_START_CMP_FLAGS_SHIFT			 6
+	#define RX_TPA_START_CMP_FLAGS_ERROR			(0x1 << 6)
 	#define RX_TPA_START_CMP_FLAGS_PLACEMENT		(0x7 << 7)
 	 #define RX_TPA_START_CMP_FLAGS_PLACEMENT_SHIFT		 7
 	 #define RX_TPA_START_CMP_FLAGS_PLACEMENT_JUMBO		 (0x1 << 7)
@@ -278,6 +286,7 @@ struct rx_tpa_start_cmp {
 	 #define RX_TPA_START_CMP_FLAGS_PLACEMENT_GRO_JUMBO	 (0x5 << 7)
 	 #define RX_TPA_START_CMP_FLAGS_PLACEMENT_GRO_HDS	 (0x6 << 7)
 	#define RX_TPA_START_CMP_FLAGS_RSS_VALID		(0x1 << 10)
+	#define RX_TPA_START_CMP_FLAGS_TIMESTAMP		(0x1 << 11)
 	#define RX_TPA_START_CMP_FLAGS_ITYPES			(0xf << 12)
 	 #define RX_TPA_START_CMP_FLAGS_ITYPES_SHIFT		 12
 	 #define RX_TPA_START_CMP_FLAGS_ITYPE_TCP		 (0x2 << 12)
@@ -291,6 +300,8 @@ struct rx_tpa_start_cmp {
 	 #define RX_TPA_START_CMP_RSS_HASH_TYPE_SHIFT		 9
 	#define RX_TPA_START_CMP_AGG_ID				(0x7f << 25)
 	 #define RX_TPA_START_CMP_AGG_ID_SHIFT			 25
+	#define RX_TPA_START_CMP_AGG_ID_P5			(0xffff << 16)
+	 #define RX_TPA_START_CMP_AGG_ID_SHIFT_P5		 16
 
 	__le32 rx_tpa_start_cmp_rss_hash;
 };
@@ -308,6 +319,14 @@ struct rx_tpa_start_cmp {
 	((le32_to_cpu((rx_tpa_start)->rx_tpa_start_cmp_misc_v1) &	\
 	 RX_TPA_START_CMP_AGG_ID) >> RX_TPA_START_CMP_AGG_ID_SHIFT)
 
+#define TPA_START_AGG_ID_P5(rx_tpa_start)				\
+	((le32_to_cpu((rx_tpa_start)->rx_tpa_start_cmp_misc_v1) &	\
+	 RX_TPA_START_CMP_AGG_ID_P5) >> RX_TPA_START_CMP_AGG_ID_SHIFT_P5)
+
+#define TPA_START_ERROR(rx_tpa_start)					\
+	((rx_tpa_start)->rx_tpa_start_cmp_len_flags_type &		\
+	 cpu_to_le32(RX_TPA_START_CMP_FLAGS_ERROR))
+
 struct rx_tpa_start_cmp_ext {
 	__le32 rx_tpa_start_cmp_flags2;
 	#define RX_TPA_START_CMP_FLAGS2_IP_CS_CALC		(0x1 << 0)
@@ -315,10 +334,20 @@ struct rx_tpa_start_cmp_ext {
 	#define RX_TPA_START_CMP_FLAGS2_T_IP_CS_CALC		(0x1 << 2)
 	#define RX_TPA_START_CMP_FLAGS2_T_L4_CS_CALC		(0x1 << 3)
 	#define RX_TPA_START_CMP_FLAGS2_IP_TYPE			(0x1 << 8)
+	#define RX_TPA_START_CMP_FLAGS2_CSUM_CMPL_VALID		(0x1 << 9)
+	#define RX_TPA_START_CMP_FLAGS2_EXT_META_FORMAT		(0x3 << 10)
+	 #define RX_TPA_START_CMP_FLAGS2_EXT_META_FORMAT_SHIFT	 10
+	#define RX_TPA_START_CMP_FLAGS2_CSUM_CMPL		(0xffff << 16)
+	 #define RX_TPA_START_CMP_FLAGS2_CSUM_CMPL_SHIFT	 16
 
 	__le32 rx_tpa_start_cmp_metadata;
 	__le32 rx_tpa_start_cmp_cfa_code_v2;
 	#define RX_TPA_START_CMP_V2				(0x1 << 0)
+	#define RX_TPA_START_CMP_ERRORS_BUFFER_ERROR_MASK	(0x7 << 1)
+	 #define RX_TPA_START_CMP_ERRORS_BUFFER_ERROR_SHIFT	 1
+	 #define RX_TPA_START_CMP_ERRORS_BUFFER_ERROR_NO_BUFFER	 (0x0 << 1)
+	 #define RX_TPA_START_CMP_ERRORS_BUFFER_ERROR_BAD_FORMAT (0x3 << 1)
+	 #define RX_TPA_START_CMP_ERRORS_BUFFER_ERROR_FLUSH	 (0x5 << 1)
 	#define RX_TPA_START_CMP_CFA_CODE			(0xffff << 16)
 	 #define RX_TPA_START_CMPL_CFA_CODE_SHIFT		 16
 	__le32 rx_tpa_start_cmp_hdr_info;
@@ -332,6 +361,11 @@ struct rx_tpa_start_cmp_ext {
 	(!!((rx_tpa_start)->rx_tpa_start_cmp_flags2 &		\
 	    cpu_to_le32(RX_TPA_START_CMP_FLAGS2_IP_TYPE)))
 
+#define TPA_START_ERROR_CODE(rx_tpa_start)				\
+	((le32_to_cpu((rx_tpa_start)->rx_tpa_start_cmp_cfa_code_v2) &	\
+	  RX_TPA_START_CMP_ERRORS_BUFFER_ERROR_MASK) >>			\
+	 RX_TPA_START_CMP_ERRORS_BUFFER_ERROR_SHIFT)
+
 struct rx_tpa_end_cmp {
 	__le32 rx_tpa_end_cmp_len_flags_type;
 	#define RX_TPA_END_CMP_TYPE				(0x3f << 0)
@@ -361,6 +395,8 @@ struct rx_tpa_end_cmp {
 	 #define RX_TPA_END_CMP_PAYLOAD_OFFSET_SHIFT		 16
 	#define RX_TPA_END_CMP_AGG_ID				(0x7f << 25)
 	 #define RX_TPA_END_CMP_AGG_ID_SHIFT			 25
+	#define RX_TPA_END_CMP_AGG_ID_P5			(0xffff << 16)
+	 #define RX_TPA_END_CMP_AGG_ID_SHIFT_P5			 16
 
 	__le32 rx_tpa_end_cmp_tsdelta;
 	#define RX_TPA_END_GRO_TS				(0x1 << 31)
@@ -370,6 +406,18 @@ struct rx_tpa_end_cmp {
 	((le32_to_cpu((rx_tpa_end)->rx_tpa_end_cmp_misc_v1) &		\
 	 RX_TPA_END_CMP_AGG_ID) >> RX_TPA_END_CMP_AGG_ID_SHIFT)
 
+#define TPA_END_AGG_ID_P5(rx_tpa_end)					\
+	((le32_to_cpu((rx_tpa_end)->rx_tpa_end_cmp_misc_v1) &		\
+	 RX_TPA_END_CMP_AGG_ID_P5) >> RX_TPA_END_CMP_AGG_ID_SHIFT_P5)
+
+#define TPA_END_PAYLOAD_OFF(rx_tpa_end)					\
+	((le32_to_cpu((rx_tpa_end)->rx_tpa_end_cmp_misc_v1) &		\
+	 RX_TPA_END_CMP_PAYLOAD_OFFSET) >> RX_TPA_END_CMP_PAYLOAD_OFFSET_SHIFT)
+
+#define TPA_END_AGG_BUFS(rx_tpa_end)					\
+	((le32_to_cpu((rx_tpa_end)->rx_tpa_end_cmp_misc_v1) &		\
+	 RX_TPA_END_CMP_AGG_BUFS) >> RX_TPA_END_CMP_AGG_BUFS_SHIFT)
+
 #define TPA_END_TPA_SEGS(rx_tpa_end)					\
 	((le32_to_cpu((rx_tpa_end)->rx_tpa_end_cmp_misc_v1) &		\
 	 RX_TPA_END_CMP_TPA_SEGS) >> RX_TPA_END_CMP_TPA_SEGS_SHIFT)
@@ -389,6 +437,10 @@ struct rx_tpa_end_cmp {
 struct rx_tpa_end_cmp_ext {
 	__le32 rx_tpa_end_cmp_dup_acks;
 	#define RX_TPA_END_CMP_TPA_DUP_ACKS			(0xf << 0)
+	#define RX_TPA_END_CMP_PAYLOAD_OFFSET_P5		(0xff << 16)
+	 #define RX_TPA_END_CMP_PAYLOAD_OFFSET_SHIFT_P5		 16
+	#define RX_TPA_END_CMP_AGG_BUFS_P5			(0xff << 24)
+	 #define RX_TPA_END_CMP_AGG_BUFS_SHIFT_P5		 24
 
 	__le32 rx_tpa_end_cmp_seg_len;
 	#define RX_TPA_END_CMP_TPA_SEG_LEN			(0xffff << 0)
@@ -396,7 +448,13 @@ struct rx_tpa_end_cmp_ext {
 	__le32 rx_tpa_end_cmp_errors_v2;
 	#define RX_TPA_END_CMP_V2				(0x1 << 0)
 	#define RX_TPA_END_CMP_ERRORS				(0x3 << 1)
+	#define RX_TPA_END_CMP_ERRORS_P5			(0x7 << 1)
 	#define RX_TPA_END_CMPL_ERRORS_SHIFT			 1
+	 #define RX_TPA_END_CMP_ERRORS_BUFFER_ERROR_NO_BUFFER	 (0x0 << 1)
+	 #define RX_TPA_END_CMP_ERRORS_BUFFER_ERROR_NOT_ON_CHIP	 (0x2 << 1)
+	 #define RX_TPA_END_CMP_ERRORS_BUFFER_ERROR_BAD_FORMAT	 (0x3 << 1)
+	 #define RX_TPA_END_CMP_ERRORS_BUFFER_ERROR_RSV_ERROR	 (0x4 << 1)
+	 #define RX_TPA_END_CMP_ERRORS_BUFFER_ERROR_FLUSH	 (0x5 << 1)
 
 	u32 rx_tpa_end_cmp_start_opaque;
 };
@@ -405,6 +463,15 @@ struct rx_tpa_end_cmp_ext {
 	((rx_tpa_end_ext)->rx_tpa_end_cmp_errors_v2 &			\
 	 cpu_to_le32(RX_TPA_END_CMP_ERRORS))
 
+#define TPA_END_PAYLOAD_OFF_P5(rx_tpa_end_ext)				\
+	((le32_to_cpu((rx_tpa_end_ext)->rx_tpa_end_cmp_dup_acks) &	\
+	 RX_TPA_END_CMP_PAYLOAD_OFFSET_P5) >>				\
+	RX_TPA_END_CMP_PAYLOAD_OFFSET_SHIFT_P5)
+
+#define TPA_END_AGG_BUFS_P5(rx_tpa_end_ext)				\
+	((le32_to_cpu((rx_tpa_end_ext)->rx_tpa_end_cmp_dup_acks) &	\
+	 RX_TPA_END_CMP_AGG_BUFS_P5) >> RX_TPA_END_CMP_AGG_BUFS_SHIFT_P5)
+
 struct nqe_cn {
 	__le16	type;
 	#define NQ_CN_TYPE_MASK           0x3fUL
-- 
2.5.1

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