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From: Somnath Kotur <somnath.kotur@broadcom.com>
To: dev@dpdk.org
Cc: ferruh.yigit@intel.com
Subject: [dpdk-dev] [PATCH 11/20] net/bnxt: modify tf shadow tcam to use common tf hash
Date: Thu, 23 Jul 2020 16:43:20 +0530
Message-ID: <20200723111329.21855-12-somnath.kotur@broadcom.com> (raw)
In-Reply-To: <20200723111329.21855-1-somnath.kotur@broadcom.com>

From: Mike Baucom <michael.baucom@broadcom.com>

Removed the hash calculation from tf_shadow_tcam in favor of using a new
common implementation.

Signed-off-by: Mike Baucom <michael.baucom@broadcom.com>
Reviewed-by: Kishore Padmanabha <kishore.padmanabha@broadcom.com>
Reviewed-by: Farah Smith <farah.smith@broadcom.com>
Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde@broadcom.com>
---
 drivers/net/bnxt/tf_core/tf_shadow_tcam.c | 77 +------------------------------
 1 file changed, 2 insertions(+), 75 deletions(-)

diff --git a/drivers/net/bnxt/tf_core/tf_shadow_tcam.c b/drivers/net/bnxt/tf_core/tf_shadow_tcam.c
index 51aae4f..beaea03 100644
--- a/drivers/net/bnxt/tf_core/tf_shadow_tcam.c
+++ b/drivers/net/bnxt/tf_core/tf_shadow_tcam.c
@@ -7,6 +7,7 @@
 #include "tf_util.h"
 #include "tfp.h"
 #include "tf_shadow_tcam.h"
+#include "tf_hash.h"
 
 /**
  * The implementation includes 3 tables per tcam table type.
@@ -164,74 +165,6 @@ struct tf_shadow_tcam_db {
 	struct tf_shadow_tcam_ctxt *ctxt[TF_TCAM_TBL_TYPE_MAX];
 };
 
-/* CRC polynomial 0xedb88320 */
-static const uint32_t tf_shadow_tcam_crc32tbl[] = {
-	0x00000000, 0x77073096, 0xee0e612c, 0x990951ba,
-	0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
-	0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
-	0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
-	0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
-	0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
-	0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,
-	0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
-	0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
-	0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
-	0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940,
-	0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
-	0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116,
-	0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
-	0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
-	0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
-	0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a,
-	0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
-	0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818,
-	0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
-	0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
-	0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
-	0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c,
-	0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
-	0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
-	0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
-	0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
-	0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
-	0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086,
-	0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
-	0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4,
-	0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
-	0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
-	0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
-	0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
-	0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
-	0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe,
-	0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
-	0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
-	0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
-	0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252,
-	0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
-	0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60,
-	0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
-	0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
-	0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
-	0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04,
-	0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
-	0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a,
-	0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
-	0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
-	0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
-	0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e,
-	0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
-	0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
-	0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
-	0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
-	0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
-	0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0,
-	0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
-	0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6,
-	0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
-	0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
-	0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
-};
-
 /**
  * Returns the number of entries in the contexts shadow table.
  */
@@ -289,13 +222,7 @@ tf_shadow_tcam_res_cpy(struct tf_shadow_tcam_ctxt *ctxt,
 static uint32_t
 tf_shadow_tcam_crc32_calc(uint8_t *key, uint32_t len)
 {
-	uint32_t crc = ~0U;
-
-	while (len--)
-		crc = tf_shadow_tcam_crc32tbl[(crc ^ key[len]) & 0xff] ^
-			(crc >> 8);
-
-	return ~crc;
+	return tf_hash_calc_crc32(key, len);
 }
 
 /**
-- 
2.7.4


  parent reply	other threads:[~2020-07-23 11:21 UTC|newest]

Thread overview: 102+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-23 11:13 [dpdk-dev] [PATCH 00/20] bnxt patches Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 01/20] net/bnxt: add shadow tcam capability with search Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 02/20] net/bnxt: nat global registers support Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 03/20] net/bnxt: parif for offload miss rules Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 04/20] net/bnxt: ulp mapper changes to use tcam search Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 05/20] net/bnxt: add tf hash API Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 06/20] net/bnxt: skip mark id injection into mbuf Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 07/20] net/bnxt: nat template changes Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 08/20] net/bnxt: configure parif for the egress rules Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 09/20] net/bnxt: ignore VLAN priority mask Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 10/20] net/bnxt: add egress template with VLAN tag match Somnath Kotur
2020-07-23 11:13 ` Somnath Kotur [this message]
2020-07-23 11:13 ` [dpdk-dev] [PATCH 12/20] net/bnxt: added shadow table capability with search Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 13/20] net/bnxt: ulp mapper changes to use tbl search Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 14/20] net/bnxt: fix port default rule create and destroy Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 15/20] net/bnxt: delete VF FW rules when a representor is created Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 16/20] net/bnxt: shadow tcam and tbl reference count modification Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 17/20] net/bnxt: tcam table processing support for search and alloc Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 18/20] net/bnxt: added templates for search before alloc Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 19/20] net/bnxt: enabled shadow tables during session open Somnath Kotur
2020-07-23 11:13 ` [dpdk-dev] [PATCH 20/20] net/bnxt: cleanup of VF-representor dev ops Somnath Kotur
2020-07-23 11:56 ` [dpdk-dev] [PATCH v2 00/20] bnxt patches Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 01/20] net/bnxt: add shadow tcam capability with search Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 02/20] net/bnxt: nat global registers support Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 03/20] net/bnxt: parif for offload miss rules Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 04/20] net/bnxt: ulp mapper changes to use tcam search Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 05/20] net/bnxt: add tf hash API Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 06/20] net/bnxt: skip mark id injection into mbuf Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 07/20] net/bnxt: nat template changes Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 08/20] net/bnxt: configure parif for the egress rules Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 09/20] net/bnxt: ignore VLAN priority mask Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 10/20] net/bnxt: add egress template with VLAN tag match Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 11/20] net/bnxt: modify tf shadow tcam to use common tf hash Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 12/20] net/bnxt: added shadow table capability with search Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 13/20] net/bnxt: ulp mapper changes to use tbl search Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 14/20] net/bnxt: fix port default rule create and destroy Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 15/20] net/bnxt: delete VF FW rules when a representor is created Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 16/20] net/bnxt: shadow tcam and tbl reference count modification Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 17/20] net/bnxt: tcam table processing support for search and alloc Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 18/20] net/bnxt: added templates for search before alloc Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 19/20] net/bnxt: enabled shadow tables during session open Somnath Kotur
2020-07-23 11:56   ` [dpdk-dev] [PATCH v2 20/20] net/bnxt: cleanup of VF-representor dev ops Somnath Kotur
2020-07-24  5:32   ` [dpdk-dev] [PATCH v3 00/22] bnxt patches Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 01/22] net/bnxt: add shadow and search capability to tcam Ajit Khaparde
2020-07-24 18:04       ` Stephen Hemminger
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 02/22] net/bnxt: add access to nat global register Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 03/22] net/bnxt: configure parif for offload miss rules Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 04/22] net/bnxt: modify ulp mapper to use tcam search Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 05/22] net/bnxt: add tf hash API Ajit Khaparde
2020-07-27 10:32       ` Ferruh Yigit
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 06/22] net/bnxt: skip mark id injection into mbuf Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 07/22] net/bnxt: update nat template Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 08/22] net/bnxt: configure parif for the egress rules Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 09/22] net/bnxt: ignore VLAN priority mask Ajit Khaparde
2020-07-27 10:30       ` Ferruh Yigit
2020-07-28  5:22         ` Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 10/22] net/bnxt: add egress template with VLAN tag match Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 11/22] net/bnxt: modify tf shadow tcam to use tf hash Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 12/22] net/bnxt: add shadow table capability with search Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 13/22] net/bnxt: modify ulp mapper to use tbl search Ajit Khaparde
2020-07-27 10:36       ` Ferruh Yigit
2020-07-27 10:50         ` Somnath Kotur
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 14/22] net/bnxt: fix port default rule create and destroy Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 15/22] net/bnxt: delete VF FW rules on representor create Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 16/22] net/bnxt: modify shadow tcam and tbl reference count logic Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 17/22] net/bnxt: add tcam table processing for search and alloc Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 18/22] net/bnxt: add templates for search before alloc Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 19/22] net/bnxt: enable shadow tables during session open Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 20/22] net/bnxt: cleanup VF-representor dev ops Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 21/22] net/bnxt: fix if condition Ajit Khaparde
2020-07-24  5:32     ` [dpdk-dev] [PATCH v3 22/22] net/bnxt: fix build error with extra cflags Ajit Khaparde
2020-07-24 16:48     ` [dpdk-dev] [PATCH v3 00/22] bnxt patches Ajit Khaparde
2020-07-27 10:42       ` Ferruh Yigit
2020-07-28  5:20         ` Ajit Khaparde
2020-07-28  6:34           ` [dpdk-dev] [PATCH v4 " Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 01/22] net/bnxt: add shadow and search capability to tcam Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 02/22] net/bnxt: add access to nat global register Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 03/22] net/bnxt: configure parif for offload miss rules Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 04/22] net/bnxt: modify ulp mapper to use tcam search Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 05/22] net/bnxt: add TruFlow hash API Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 06/22] net/bnxt: fix mark id update to mbuf Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 07/22] net/bnxt: fix nat template Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 08/22] net/bnxt: configure parif for the egress rules Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 09/22] net/bnxt: ignore VLAN priority mask Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 10/22] net/bnxt: add egress template with VLAN tag match Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 11/22] net/bnxt: update shadow tcam to use TruFlow hash Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 12/22] net/bnxt: add shadow table capability with search Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 13/22] net/bnxt: modify ulp mapper to use tbl search Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 14/22] net/bnxt: fix port default rule create and destroy Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 15/22] net/bnxt: fix FW rule deletion on representor create Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 16/22] net/bnxt: fix table reference count for shadow tcam Ajit Khaparde
2020-07-28 17:00               ` Ferruh Yigit
2020-07-28 17:33                 ` Ajit Khaparde
2020-07-28 17:38                   ` Ferruh Yigit
2020-07-28 18:06                     ` Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 17/22] net/bnxt: add tcam table processing for search and alloc Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 18/22] net/bnxt: add templates for search before alloc Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 19/22] net/bnxt: enable shadow tables during session open Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 20/22] net/bnxt: cleanup VF-representor dev ops Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 21/22] net/bnxt: fix if condition Ajit Khaparde
2020-07-28  6:34             ` [dpdk-dev] [PATCH v4 22/22] net/bnxt: fix build error with extra cflags Ajit Khaparde
2020-07-28 14:20             ` [dpdk-dev] [PATCH v4 00/22] bnxt patches Ajit Khaparde

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