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net/e1000: add Tx/Rx tuning parameters

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The optimal values of several transmission & reception related
parameters, such as burst sizes, descriptor ring sizes, and number
of queues, varies between different network interface devices. This
patch allows individual PMDs to specify preferred parameter values.

Signed-off-by: Remy Horton <remy.horton@intel.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
This commit is contained in:
Remy Horton 2018-04-10 10:43:17 +01:00 committed by Ferruh Yigit
parent 3be82f5cc5
commit 88bcfa9706
1 changed files with 6 additions and 0 deletions
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6
drivers/net/e1000/em_ethdev.c
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@ -1121,6 +1121,12 @@ eth_em_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
dev_info->speed_capa = ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
ETH_LINK_SPEED_1G;
/* Preferred queue parameters */
dev_info->default_rxportconf.nb_queues = 1;
dev_info->default_txportconf.nb_queues = 1;
dev_info->default_txportconf.ring_size = 256;
dev_info->default_rxportconf.ring_size = 256;
}
/* return 0 means link status changed, -1 means not changed */