[PATCH v12 8/8] ethdev: add 100G link speed

[Thomas Monjalon <thomas.monjalon@6wind.com>]

The link speed configuration is now done with bitmaps so 100G speed
requires only a new bit flag.
The actual link speed is a number so its size must be increased from
16-bit to 32-bit.

Signed-off-by: Marc Sune <marcdevel@gmail.com>
Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
Tested-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Tested-by: Matej Vido <vido@cesnet.cz>
---
 app/test-pmd/cmdline.c                      | 12 +++++++-----
 doc/guides/nics/szedata2.rst                |  6 ------
 doc/guides/rel_notes/release_16_04.rst      |  5 +++++
 doc/guides/testpmd_app_ug/testpmd_funcs.rst |  2 +-
 drivers/net/ena/ena_ethdev.c                |  3 ++-
 drivers/net/fm10k/fm10k_ethdev.c            |  2 +-
 drivers/net/mlx5/mlx5_ethdev.c              |  3 ++-
 drivers/net/nfp/nfp_net.c                   |  2 +-
 drivers/net/szedata2/rte_eth_szedata2.c     |  9 ++-------
 lib/librte_ether/rte_ethdev.c               |  2 ++
 lib/librte_ether/rte_ethdev.h               |  4 +++-
 11 files changed, 26 insertions(+), 24 deletions(-)

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 741cac3..c5b9479 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -549,7 +549,7 @@ static void cmd_help_long_parsed(void *parsed_result,
 			"    Detach physical or virtual dev by port_id\n\n"
 
 			"port config (port_id|all)"
-			" speed (10|100|1000|10000|40000|auto)"
+			" speed (10|100|1000|10000|40000|100000|auto)"
 			" duplex (half|full|auto)\n"
 			"    Set speed and duplex for all ports or port_id\n\n"
 
@@ -1022,6 +1022,8 @@ parse_and_check_speed_duplex(char *speedstr, char *duplexstr, uint32_t *speed)
 			*speed = ETH_LINK_SPEED_10G;
 		} else if (!strcmp(speedstr, "40000")) {
 			*speed = ETH_LINK_SPEED_40G;
+		} else if (!strcmp(speedstr, "100000")) {
+			*speed = ETH_LINK_SPEED_100G;
 		} else if (!strcmp(speedstr, "auto")) {
 			*speed = ETH_LINK_SPEED_AUTONEG;
 		} else {
@@ -1069,7 +1071,7 @@ cmdline_parse_token_string_t cmd_config_speed_all_item1 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_all, item1, "speed");
 cmdline_parse_token_string_t cmd_config_speed_all_value1 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_all, value1,
-						"10#100#1000#10000#40000#auto");
+						"10#100#1000#10000#40000#100000#auto");
 cmdline_parse_token_string_t cmd_config_speed_all_item2 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_all, item2, "duplex");
 cmdline_parse_token_string_t cmd_config_speed_all_value2 =
@@ -1079,7 +1081,7 @@ cmdline_parse_token_string_t cmd_config_speed_all_value2 =
 cmdline_parse_inst_t cmd_config_speed_all = {
 	.f = cmd_config_speed_all_parsed,
 	.data = NULL,
-	.help_str = "port config all speed 10|100|1000|10000|40000|auto duplex "
+	.help_str = "port config all speed 10|100|1000|10000|40000|100000|auto duplex "
 							"half|full|auto",
 	.tokens = {
 		(void *)&cmd_config_speed_all_port,
@@ -1143,7 +1145,7 @@ cmdline_parse_token_string_t cmd_config_speed_specific_item1 =
 								"speed");
 cmdline_parse_token_string_t cmd_config_speed_specific_value1 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_specific, value1,
-						"10#100#1000#10000#40000#auto");
+						"10#100#1000#10000#40000#100000#auto");
 cmdline_parse_token_string_t cmd_config_speed_specific_item2 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_specific, item2,
 								"duplex");
@@ -1154,7 +1156,7 @@ cmdline_parse_token_string_t cmd_config_speed_specific_value2 =
 cmdline_parse_inst_t cmd_config_speed_specific = {
 	.f = cmd_config_speed_specific_parsed,
 	.data = NULL,
-	.help_str = "port config X speed 10|100|1000|10000|40000|auto duplex "
+	.help_str = "port config X speed 10|100|1000|10000|40000|100000|auto duplex "
 							"half|full|auto",
 	.tokens = {
 		(void *)&cmd_config_speed_specific_port,
diff --git a/doc/guides/nics/szedata2.rst b/doc/guides/nics/szedata2.rst
index 77c15b3..741b400 100644
--- a/doc/guides/nics/szedata2.rst
+++ b/doc/guides/nics/szedata2.rst
@@ -148,9 +148,3 @@ Example output:
      TX threshold registers: pthresh=0 hthresh=0 wthresh=0
      TX RS bit threshold=0 - TXQ flags=0x0
    testpmd>
-
-.. note::
-
-   Link speed API currently supports speeds up to 40 Gbps.
-   Therefore there is used 10G constant for 100 Gbps cards until the link speed
-   API is not changed.
diff --git a/doc/guides/rel_notes/release_16_04.rst b/doc/guides/rel_notes/release_16_04.rst
index c891a55..a0fc02d 100644
--- a/doc/guides/rel_notes/release_16_04.rst
+++ b/doc/guides/rel_notes/release_16_04.rst
@@ -320,6 +320,11 @@ EAL
 Drivers
 ~~~~~~~
 
+* **ethdev: Fixed overflow for 100Gbps.**
+
+  100Gbps in Mbps (100000) was exceeding 16-bit max value of ``link_speed``
+  in ``rte_eth_link``.
+
 * **ethdev: Fixed byte order consistency between fdir flow and mask.**
 
   Fixed issue in ethdev library that the structure for setting
diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index 94fba6a..aed5e47 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -1155,7 +1155,7 @@ port config - speed
 
 Set the speed and duplex mode for all ports or a specific port::
 
-   testpmd> port config (port_id|all) speed (10|100|1000|10000|auto) \
+   testpmd> port config (port_id|all) speed (10|100|1000|10000|40000|100000|auto) \
             duplex (half|full|auto)
 
 port config - queues/descriptors
diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
index 4e403af..02af67a 100644
--- a/drivers/net/ena/ena_ethdev.c
+++ b/drivers/net/ena/ena_ethdev.c
@@ -1177,7 +1177,8 @@ static void ena_infos_get(struct rte_eth_dev *dev,
 			ETH_LINK_SPEED_10G  |
 			ETH_LINK_SPEED_25G  |
 			ETH_LINK_SPEED_40G  |
-			ETH_LINK_SPEED_50G;
+			ETH_LINK_SPEED_50G  |
+			ETH_LINK_SPEED_100G;
 
 	/* Get supported features from HW */
 	rc = ena_com_get_dev_attr_feat(ena_dev, &feat);
diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index 85ad0df..953d9c1 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -1413,7 +1413,7 @@ fm10k_dev_infos_get(struct rte_eth_dev *dev,
 
 	dev_info->speed_capa = ETH_LINK_SPEED_1G | ETH_LINK_SPEED_2_5G |
 			ETH_LINK_SPEED_10G | ETH_LINK_SPEED_25G |
-			ETH_LINK_SPEED_40G;
+			ETH_LINK_SPEED_40G | ETH_LINK_SPEED_100G;
 }
 
 #ifdef RTE_LIBRTE_FM10K_RX_OLFLAGS_ENABLE
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index d7a0eea..477939f 100644
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -566,7 +566,8 @@ mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info)
 			ETH_LINK_SPEED_25G |
 			ETH_LINK_SPEED_40G |
 			ETH_LINK_SPEED_50G |
-			ETH_LINK_SPEED_56G;
+			ETH_LINK_SPEED_56G |
+			ETH_LINK_SPEED_100G;
 	priv_unlock(priv);
 }
 
diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index bdeb21f..4e909e0 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -1062,7 +1062,7 @@ nfp_net_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	dev_info->reta_size = NFP_NET_CFG_RSS_ITBL_SZ;
 	dev_info->hash_key_size = NFP_NET_CFG_RSS_KEY_SZ;
 
-	dev_info->speed_capa = ETH_LINK_SPEED_50G;
+	dev_info->speed_capa = ETH_LINK_SPEED_50G | ETH_LINK_SPEED_100G;
 }
 
 static const uint32_t *
diff --git a/drivers/net/szedata2/rte_eth_szedata2.c b/drivers/net/szedata2/rte_eth_szedata2.c
index ee97a4e..78c43b0 100644
--- a/drivers/net/szedata2/rte_eth_szedata2.c
+++ b/drivers/net/szedata2/rte_eth_szedata2.c
@@ -1036,6 +1036,7 @@ eth_dev_info(struct rte_eth_dev *dev,
 	dev_info->max_rx_queues = internals->max_rx_queues;
 	dev_info->max_tx_queues = internals->max_tx_queues;
 	dev_info->min_rx_bufsize = 0;
+	dev_info->speed_capa = ETH_LINK_SPEED_100G;
 }
 
 static void
@@ -1155,13 +1156,7 @@ eth_link_update(struct rte_eth_dev *dev,
 		link.link_speed = ETH_SPEED_NUM_40G;
 		break;
 	case SZEDATA2_LINK_SPEED_100G:
-		/*
-		 * TODO
-		 * If link_speed value from rte_eth_link structure
-		 * will be changed to support 100Gbps speed change
-		 * this value to 100G.
-		 */
-		link.link_speed = ETH_SPEED_NUM_10G;
+		link.link_speed = ETH_SPEED_NUM_100G;
 		break;
 	default:
 		link.link_speed = ETH_SPEED_NUM_10G;
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 695b475..fd49b26 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -892,6 +892,8 @@ rte_eth_speed_bitflag(uint32_t speed, int duplex)
 		return ETH_LINK_SPEED_50G;
 	case ETH_SPEED_NUM_56G:
 		return ETH_LINK_SPEED_56G;
+	case ETH_SPEED_NUM_100G:
+		return ETH_LINK_SPEED_100G;
 	default:
 		return 0;
 	}
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index bb08ead..ef2502a 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -259,6 +259,7 @@ struct rte_eth_stats {
 #define ETH_LINK_SPEED_40G      (1 << 11)  /**<  40 Gbps */
 #define ETH_LINK_SPEED_50G      (1 << 12)  /**<  50 Gbps */
 #define ETH_LINK_SPEED_56G      (1 << 13)  /**<  56 Gbps */
+#define ETH_LINK_SPEED_100G     (1 << 14)  /**< 100 Gbps */
 
 /**
  * Ethernet numeric link speeds in Mbps
@@ -275,12 +276,13 @@ struct rte_eth_stats {
 #define ETH_SPEED_NUM_40G      40000 /**<  40 Gbps */
 #define ETH_SPEED_NUM_50G      50000 /**<  50 Gbps */
 #define ETH_SPEED_NUM_56G      56000 /**<  56 Gbps */
+#define ETH_SPEED_NUM_100G    100000 /**< 100 Gbps */
 
 /**
  * A structure used to retrieve link-level information of an Ethernet port.
  */
 struct rte_eth_link {
-	uint16_t link_speed;        /**< ETH_SPEED_NUM_ */
+	uint32_t link_speed;        /**< ETH_SPEED_NUM_ */
 	uint16_t link_duplex  : 1;  /**< ETH_LINK_[HALF/FULL]_DUPLEX */
 	uint16_t link_autoneg : 1;  /**< ETH_LINK_SPEED_[AUTONEG/FIXED] */
 	uint16_t link_status  : 1;  /**< ETH_LINK_[DOWN/UP] */
-- 
2.7.0